Manufacturing method of forklift ramp platform
Time of publication：2023-05-30
The utility model relates to the field of forklift transportation auxiliary equipment, in particular to a forklift ramp platform.
Background technology:
The goods storage warehouse is a building used to store and keep goods. The ground height of some temporary warehouses is higher than the ground height outside the warehouse. Forklift trucks drive to the steps at the entrance of the warehouse. Forklift ramp platforms are required to assist in forking and transporting goods to the warehouse.
However, most of the existing forklift ramp platforms are of welded structure, which is not convenient to adjust the height of the forklift ramp platform extending into one side of the step. When the height difference between the step height and the external ground of the warehouse changes, it is necessary to replace the forklift ramp platforms of different models, which wastes time cost and labor cost.
Technical realization elements:
The utility model aims to provide a forklift ramp platform, which has the effect that the height of the horizontal approach plate can be adjusted according to the height of the steps.
The above technical purpose of the utility model is realized through the following technical schemes:
A forklift ramp platform comprises a horizontal approach plate with one end lapped on a step, and the other end of the horizontal approach plate is hinged with a ramp ramp plate;
One end of the ramp ramp ramp near the horizontal approach plate is provided with a lifting device, the lifting device comprises a hydraulic cylinder located below the ramp ramp ramp, the piston rod of the hydraulic cylinder is arranged along the vertical direction, and the piston rod of the hydraulic cylinder is hinged on the ramp ramp ramp;
A diagonal bracing device is arranged between the hydraulic cylinder and the ramp ramp ramp plate. The diagonal bracing device comprises a screw sleeve hinged on the hydraulic cylinder. The screw sleeve is threaded to the end hinged with the hydraulic cylinder from the back. The screw is coaxial with the screw sleeve. A connecting block is hinged to one end of the screw sleeve from the back. A connecting piece is arranged at the bottom end of the ramp ramp ramp ramp plate. The connecting block can be detachably connected to the connecting piece.
By adopting the above technical scheme, the piston rod of the hydraulic cylinder is used to exert force on the ramp ramp ramp. The height of the horizontal approach slab is adjusted under the drive of the ramp ramp ramp. When the horizontal approach slab is adjusted to the specified height, one end of the horizontal approach slab is lapped on the step to realize the connection between the step and the ground. The height adjustable horizontal approach slab enables the forklift ramp platform to be applicable to steps of different heights, The time cost and labor cost for replacing the forklift ramp platform are reduced; The setting of the diagonal bracing device supports the ramp ramp ramp, reduces the force of the forklift and ramp ramp ramp ramp on the lifting device when the forklift passes by, and prolongs the service life of the lifting device.
The utility model is further arranged as follows: the connecting piece is a clamp, which can compress the connecting block on the inner side of the clamp.
By adopting the above technical scheme, the connection between the screw and the ramp ramp ramp plate is realized. The connection mode has simple structure and convenient operation.
The utility model is further arranged as follows: the outer peripheral surface of the connecting block is fixedly provided with an annular convex block, the inner peripheral surface of the clamp is provided with an annular groove suitable for the annular convex block, and the annular convex block is embedded in the annular groove.
By adopting the above technical scheme, the setting of the annular boss and the annular groove reduces the relative movement between the connecting block and the clamp, and further increases the stability between the clamp and the connecting block.
The utility model is further arranged as follows: the bottom end of the horizontal approach slab is provided with a support device, the support device comprises a support pipe fixed at the bottom end of the horizontal approach slab, the support pipe is arranged along the vertical direction, the end of the support pipe sliding away from the horizontal approach slab is connected with a support sleeve sleeved on its peripheral surface, and the support pipe and the support sleeve are tightly connected through the cooperation of connecting bolts and connecting nuts.
By adopting the above technical scheme, the end face of the support sleeve is butted on the ground outside the warehouse, and the support sleeve is locked on the support pipe through the cooperation of connecting bolts and connecting nuts, so as to realize the support effect of the support device on the horizontal approach slab.
The utility model is further arranged as follows: the support pipe is a Y-shaped pipe.
By adopting the above technical scheme, the supporting effect of Y-shaped pipe is better than that of long strip pipe.
The utility model is further arranged that the bottom end of the support sleeve is fixedly provided with a stabilizing plate.
By adopting the above technical scheme, the setting of the stabilizing plate increases the contact area between the support sleeve and the external ground of the warehouse, thereby increasing the stability of the support sleeve.
The utility model is further arranged that one end of the horizontal approach plate back to the ramp ramp ramp is fixedly provided with a first guide plate.
By adopting the above technical scheme, the setting of the first guide plate realizes the connection between the top end face of the horizontal approach plate and the step horizontal plane, which is convenient for the forklift to drive up or down the horizontal approach plate.
The utility model is further arranged that a second guide plate is fixedly arranged at one end of the ramp ramp ramp back to the horizontal approach plate.
By adopting the above technical scheme, the setting of the second guide plate realizes the connection between the top end face of the ramp ramp ramp and the external ground of the warehouse, which is convenient for the forklift to drive up or down the ramp ramp ramp.
To sum up, the beneficial effects of the utility model are:
1. The piston rod of the hydraulic cylinder is used to exert force on the ramp ramp ramp. The height of the horizontal approach slab is adjusted under the drive of the ramp ramp ramp. When the horizontal approach slab is adjusted to the specified height, one end of the horizontal approach slab is lapped on the step to realize the connection between the step and the ground. The height adjustable horizontal approach slab enables the forklift ramp platform to be applicable to steps of different heights, The time cost and labor cost for replacing the forklift ramp platform are reduced; The setting of the diagonal bracing device supports the ramp ramp ramp, reduces the force of the forklift and ramp ramp ramp ramp on the lifting device when the forklift passes by, and prolongs the service life of the lifting device;
2. The setting of the annular boss and the annular groove reduces the relative movement between the connecting block and the clamp, and further increases the stability between the clamp and the connecting block;
3. The end face of the support sleeve is butted on the ground outside the warehouse, and the support sleeve is locked on the support pipe through the cooperation of connecting bolts and connecting nuts, so as to realize the support effect of the support device on the horizontal approach plate.
Specific implementation mode
The utility model is further described in detail below in combination with the attached drawings.
Examples
Referring to figure 1, the utility model discloses a forklift ramp platform, which comprises a horizontal approach plate 2 with one end lapped on the step 1, and the other end of the horizontal approach plate 2 extends out of the step 1. The horizontal approach plate 2 comprises a first checkered plate 21 and a first support steel frame 22 welded below the first checkered plate 21 to strengthen and support the first checkered plate 21. The first support steel frame 22 comprises a plurality of cross beams and longitudinal beams arranged in a staggered manner. The first support steel frame 22 is respectively welded with a first fence 23 along its two sides in the width direction.
The horizontal approach plate 2 is fixedly provided with a first guide plate 24 for connecting the horizontal plane of the step 1 and the top end face of the horizontal approach plate 2, and the first guide plate 24 is inclined. One end of the first guide plate 24 is welded to the horizontal approach plate 2 and overlapped to one end of the step 1, and the other end of the first guide plate 24 is butted to the step 1.
One end of the horizontal approach plate 2 is hinged to the first guide plate 24, and the other end of the ramp ramp plate 3 is butted on the ground outside the warehouse. The ramp ramp ramp 3 comprises a second checkered plate 31 and a second support frame 32 welded below the second checkered plate 31 to strengthen and support the second checkered plate 31. The second support frame 32 comprises a plurality of cross beams and longitudinal beams arranged in a staggered manner. The second support frame 32 is respectively welded with a second fence 33 along both sides of its width direction.
A second guide plate 34 for connecting the top end face of the ramp ramp ramp 3 to the external ground of the warehouse is fixed at one end of the ramp ramp ramp 3 facing away from the horizontal approach plate 2. The second guide plate 34 is obliquely arranged, one end of the second guide plate 34 is welded to the one end of the ramp ramp ramp 3 facing away from the horizontal approach plate 2, and the other end of the second guide plate 34 is butted to the ground outside the warehouse.
In combination with figures 1, 2 and 3, a lifting device 4 is arranged at one end of the ramp ramp ramp 3 close to the horizontal approach plate 2. Two groups of lifting devices 4 are arranged at both ends of the ramp ramp ramp 3 in the width direction. The lifting device 4 is located below the ramp ramp ramp 3. The lifting device 4 comprises a bottom plate 41 whose bottom end face is butted against the bottom surface outside the warehouse. The top end face of the bottom plate 41 is connected with a hydraulic cylinder 42 by bolts, the piston rod of the hydraulic cylinder 42 is arranged along the vertical direction, and the top end of the piston rod of the hydraulic cylinder 42 is hinged on the bottom end face of the second support frame 32. The rotation axis between the piston rod of the hydraulic cylinder 42 and the ramp ramp ramp 3 is the first hinge shaft 421, which is arranged along the width direction of the ramp ramp ramp 3.
In combination with figures 2, 3 and 4, a diagonal bracing device 5 for supporting the ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp. The diagonal bracing device 5 comprises a screw sleeve 51 hinged on the top end face of the bottom plate 41. The rotating shaft between the screw sleeve 51 and the bottom plate 41 is a second hinge shaft 511, which is arranged along the width direction of the ramp ramp ramp 3. In the inner cavity of the screw sleeve 51, a screw 52 which is coaxial with the screw sleeve 51 is threaded, and one end of the screw 52 extends out of the inner cavity of the screw sleeve 51 along its axis direction away from the bottom plate 41. One end of the screw 52 protruding from the inner cavity of the screw sleeve 51 is hinged with a connecting block 53. The rotation axis between the connecting block 53 and the screw 52 is a third hinge shaft 531, and the axis direction of the third hinge shaft 531 is the same as that of the second hinge shaft 511. The connecting block 53 is a cylindrical block, and an annular convex block 532 is integrally formed on the outer peripheral surface of the connecting block 53.
Referring to Fig. 4 and Fig. 5, the bottom end face of the second support frame 32 is provided with a clamp 54 for pressing the connecting block 53 on the second support frame 32. The clamp 54 includes a fixed plate 541 and a moving plate 542. The fixed plate 541 and the moving plate 542 are two arc-shaped thin plates with opposite openings, and the fixed plate 541 is welded to the bottom end face of the second support frame 32. One end of the fixed plate 541 along its radial direction is hinged with one end of the moving plate 542 along its radial direction. The rotation axis between the fixed plate 541 and the moving plate 542 is the fourth hinge shaft 543, which is perpendicular to the bottom end face of the second support frame 32.
The end of the fixed plate 541 facing away from the fourth hinge shaft 543 and the end of the moving plate 542 facing away from the fourth hinge shaft 543 are respectively integrally formed with an extension block 544 corresponding to the position. The two opposite ends of the two extension blocks 544 are in contact with each other, and the two extension blocks 544 are tightly connected through the cooperation of bolts and nuts.
The inner peripheral surfaces of the fixed plate 541 and the moving plate 542 are provided with an annular groove 545 adapted to the annular boss 532, and the annular boss 532 is embedded in the annular groove 545. By adjusting the bolts and nuts on the clamp 54, the annular boss 532 can be pressed into the inner cavity of the annular groove 545, so that the connecting block 53 can be pressed into the inner side of the clamp 54.
Referring to figures 3 and 6, a support device 6 for supporting the horizontal approach slab 2 is arranged below the horizontal approach slab 2, and two groups of support devices 6 are arranged at intervals along the length direction of the horizontal approach slab 2. The support device 6 comprises a connecting plate 61 which is tightly connected to the end face of the bottom end of the first support steel frame 22 with bolts, and the connecting plate 61 is arranged along the width direction of the horizontal approach plate 2. A support tube 62 is integrally formed on the end face of the connecting plate 61 facing away from the first support steel frame 22. The support tube 62 is a Y-shaped tube arranged along the vertical direction. One end of the support tube 62 sliding away from the connecting plate 61 is connected with a support sleeve 63 sleeved on its peripheral surface.
The support tube 62 is provided with a connecting hole 621, which penetrates the two opposite side walls of the support tube 62 along the width direction of the horizontal approach plate 2, and a plurality of connecting holes 621 are arranged at intervals along the vertical direction. The support sleeve 63 is vertically penetrated with a connecting bolt 64. After the connecting bolt 64 is penetrated through one side of the support sleeve 63, it passes through the connecting hole 621 and passes through the other side of the support sleeve 63. The connecting bolt 64 is threaded with a connecting nut 65. Tightening the connecting nut 65 can press the connecting bolt 64 onto the support sleeve 63 to realize the locking between the support pipe 62 and the support sleeve 63.
A circular stabilizing plate 66 is welded at one end of the support sleeve 63 away from the support tube 62, and the end face of the stabilizing plate 66 away from the support sleeve 63 is butted on the ground outside the warehouse.
The implementation principle of the above embodiment is:
Exert a force on the ramp ramp ramp 3 through the piston rod of the hydraulic cylinder 42 to adjust the height of the horizontal approach plate 2. When the height is adjusted to the specified height, lap one end of the horizontal approach plate 2 with the first guide plate 24 on the step 1;
Rotate the screw 52, and the screw 52 moves along its own axis direction. When the screw 52 moves to the position where the connecting block 53 corresponds to the clamp 54, the annular boss 532 is embedded in the annular groove 545. With the fourth hinge shaft 543 as the rotating shaft, rotate the moving plate 542 until the two protruding blocks 544 are butted with each other. Adjust the bolts and nuts on the clamp 54 to press and connect the two protruding blocks 544, and press the connecting block 53 to the inside of the clamp 54, Realize the supporting effect of the diagonal bracing device 5 on the ramp ramp ramp plate 3;
Move the support sleeve 63 in the vertical direction so that the end face of the stabilizing plate 66 facing away from the support sleeve 63 butts against the ground outside the warehouse. After threading the connecting bolt 64 through one side of the support sleeve 63, it passes through the connecting hole 621 and passes through the other side of the support sleeve 63. Tightening the connecting nut 65 can lock the support sleeve 63 on the support tube 62, realizing the support effect of the support device 6 on the horizontal approach plate 2.
The specific embodiment is only an interpretation of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contributions as required after reading the specification, but they are protected by the patent law as long as they are within the scope of the claims of the utility model.
Background technology:
The goods storage warehouse is a building used to store and keep goods. The ground height of some temporary warehouses is higher than the ground height outside the warehouse. Forklift trucks drive to the steps at the entrance of the warehouse. Forklift ramp platforms are required to assist in forking and transporting goods to the warehouse.
However, most of the existing forklift ramp platforms are of welded structure, which is not convenient to adjust the height of the forklift ramp platform extending into one side of the step. When the height difference between the step height and the external ground of the warehouse changes, it is necessary to replace the forklift ramp platforms of different models, which wastes time cost and labor cost.
Technical realization elements:
The utility model aims to provide a forklift ramp platform, which has the effect that the height of the horizontal approach plate can be adjusted according to the height of the steps.
The above technical purpose of the utility model is realized through the following technical schemes:
A forklift ramp platform comprises a horizontal approach plate with one end lapped on a step, and the other end of the horizontal approach plate is hinged with a ramp ramp plate;
One end of the ramp ramp ramp near the horizontal approach plate is provided with a lifting device, the lifting device comprises a hydraulic cylinder located below the ramp ramp ramp, the piston rod of the hydraulic cylinder is arranged along the vertical direction, and the piston rod of the hydraulic cylinder is hinged on the ramp ramp ramp;
A diagonal bracing device is arranged between the hydraulic cylinder and the ramp ramp ramp plate. The diagonal bracing device comprises a screw sleeve hinged on the hydraulic cylinder. The screw sleeve is threaded to the end hinged with the hydraulic cylinder from the back. The screw is coaxial with the screw sleeve. A connecting block is hinged to one end of the screw sleeve from the back. A connecting piece is arranged at the bottom end of the ramp ramp ramp ramp plate. The connecting block can be detachably connected to the connecting piece.
By adopting the above technical scheme, the piston rod of the hydraulic cylinder is used to exert force on the ramp ramp ramp. The height of the horizontal approach slab is adjusted under the drive of the ramp ramp ramp. When the horizontal approach slab is adjusted to the specified height, one end of the horizontal approach slab is lapped on the step to realize the connection between the step and the ground. The height adjustable horizontal approach slab enables the forklift ramp platform to be applicable to steps of different heights, The time cost and labor cost for replacing the forklift ramp platform are reduced; The setting of the diagonal bracing device supports the ramp ramp ramp, reduces the force of the forklift and ramp ramp ramp ramp on the lifting device when the forklift passes by, and prolongs the service life of the lifting device.
The utility model is further arranged as follows: the connecting piece is a clamp, which can compress the connecting block on the inner side of the clamp.
By adopting the above technical scheme, the connection between the screw and the ramp ramp ramp plate is realized. The connection mode has simple structure and convenient operation.
The utility model is further arranged as follows: the outer peripheral surface of the connecting block is fixedly provided with an annular convex block, the inner peripheral surface of the clamp is provided with an annular groove suitable for the annular convex block, and the annular convex block is embedded in the annular groove.
By adopting the above technical scheme, the setting of the annular boss and the annular groove reduces the relative movement between the connecting block and the clamp, and further increases the stability between the clamp and the connecting block.
The utility model is further arranged as follows: the bottom end of the horizontal approach slab is provided with a support device, the support device comprises a support pipe fixed at the bottom end of the horizontal approach slab, the support pipe is arranged along the vertical direction, the end of the support pipe sliding away from the horizontal approach slab is connected with a support sleeve sleeved on its peripheral surface, and the support pipe and the support sleeve are tightly connected through the cooperation of connecting bolts and connecting nuts.
By adopting the above technical scheme, the end face of the support sleeve is butted on the ground outside the warehouse, and the support sleeve is locked on the support pipe through the cooperation of connecting bolts and connecting nuts, so as to realize the support effect of the support device on the horizontal approach slab.
The utility model is further arranged as follows: the support pipe is a Y-shaped pipe.
By adopting the above technical scheme, the supporting effect of Y-shaped pipe is better than that of long strip pipe.
The utility model is further arranged that the bottom end of the support sleeve is fixedly provided with a stabilizing plate.
By adopting the above technical scheme, the setting of the stabilizing plate increases the contact area between the support sleeve and the external ground of the warehouse, thereby increasing the stability of the support sleeve.
The utility model is further arranged that one end of the horizontal approach plate back to the ramp ramp ramp is fixedly provided with a first guide plate.
By adopting the above technical scheme, the setting of the first guide plate realizes the connection between the top end face of the horizontal approach plate and the step horizontal plane, which is convenient for the forklift to drive up or down the horizontal approach plate.
The utility model is further arranged that a second guide plate is fixedly arranged at one end of the ramp ramp ramp back to the horizontal approach plate.
By adopting the above technical scheme, the setting of the second guide plate realizes the connection between the top end face of the ramp ramp ramp and the external ground of the warehouse, which is convenient for the forklift to drive up or down the ramp ramp ramp.
To sum up, the beneficial effects of the utility model are:
1. The piston rod of the hydraulic cylinder is used to exert force on the ramp ramp ramp. The height of the horizontal approach slab is adjusted under the drive of the ramp ramp ramp. When the horizontal approach slab is adjusted to the specified height, one end of the horizontal approach slab is lapped on the step to realize the connection between the step and the ground. The height adjustable horizontal approach slab enables the forklift ramp platform to be applicable to steps of different heights, The time cost and labor cost for replacing the forklift ramp platform are reduced; The setting of the diagonal bracing device supports the ramp ramp ramp, reduces the force of the forklift and ramp ramp ramp ramp on the lifting device when the forklift passes by, and prolongs the service life of the lifting device;
2. The setting of the annular boss and the annular groove reduces the relative movement between the connecting block and the clamp, and further increases the stability between the clamp and the connecting block;
3. The end face of the support sleeve is butted on the ground outside the warehouse, and the support sleeve is locked on the support pipe through the cooperation of connecting bolts and connecting nuts, so as to realize the support effect of the support device on the horizontal approach plate.
Specific implementation mode
The utility model is further described in detail below in combination with the attached drawings.
Examples
Referring to figure 1, the utility model discloses a forklift ramp platform, which comprises a horizontal approach plate 2 with one end lapped on the step 1, and the other end of the horizontal approach plate 2 extends out of the step 1. The horizontal approach plate 2 comprises a first checkered plate 21 and a first support steel frame 22 welded below the first checkered plate 21 to strengthen and support the first checkered plate 21. The first support steel frame 22 comprises a plurality of cross beams and longitudinal beams arranged in a staggered manner. The first support steel frame 22 is respectively welded with a first fence 23 along its two sides in the width direction.
The horizontal approach plate 2 is fixedly provided with a first guide plate 24 for connecting the horizontal plane of the step 1 and the top end face of the horizontal approach plate 2, and the first guide plate 24 is inclined. One end of the first guide plate 24 is welded to the horizontal approach plate 2 and overlapped to one end of the step 1, and the other end of the first guide plate 24 is butted to the step 1.
One end of the horizontal approach plate 2 is hinged to the first guide plate 24, and the other end of the ramp ramp plate 3 is butted on the ground outside the warehouse. The ramp ramp ramp 3 comprises a second checkered plate 31 and a second support frame 32 welded below the second checkered plate 31 to strengthen and support the second checkered plate 31. The second support frame 32 comprises a plurality of cross beams and longitudinal beams arranged in a staggered manner. The second support frame 32 is respectively welded with a second fence 33 along both sides of its width direction.
A second guide plate 34 for connecting the top end face of the ramp ramp ramp 3 to the external ground of the warehouse is fixed at one end of the ramp ramp ramp 3 facing away from the horizontal approach plate 2. The second guide plate 34 is obliquely arranged, one end of the second guide plate 34 is welded to the one end of the ramp ramp ramp 3 facing away from the horizontal approach plate 2, and the other end of the second guide plate 34 is butted to the ground outside the warehouse.
In combination with figures 1, 2 and 3, a lifting device 4 is arranged at one end of the ramp ramp ramp 3 close to the horizontal approach plate 2. Two groups of lifting devices 4 are arranged at both ends of the ramp ramp ramp 3 in the width direction. The lifting device 4 is located below the ramp ramp ramp 3. The lifting device 4 comprises a bottom plate 41 whose bottom end face is butted against the bottom surface outside the warehouse. The top end face of the bottom plate 41 is connected with a hydraulic cylinder 42 by bolts, the piston rod of the hydraulic cylinder 42 is arranged along the vertical direction, and the top end of the piston rod of the hydraulic cylinder 42 is hinged on the bottom end face of the second support frame 32. The rotation axis between the piston rod of the hydraulic cylinder 42 and the ramp ramp ramp 3 is the first hinge shaft 421, which is arranged along the width direction of the ramp ramp ramp 3.
In combination with figures 2, 3 and 4, a diagonal bracing device 5 for supporting the ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp ramp. The diagonal bracing device 5 comprises a screw sleeve 51 hinged on the top end face of the bottom plate 41. The rotating shaft between the screw sleeve 51 and the bottom plate 41 is a second hinge shaft 511, which is arranged along the width direction of the ramp ramp ramp 3. In the inner cavity of the screw sleeve 51, a screw 52 which is coaxial with the screw sleeve 51 is threaded, and one end of the screw 52 extends out of the inner cavity of the screw sleeve 51 along its axis direction away from the bottom plate 41. One end of the screw 52 protruding from the inner cavity of the screw sleeve 51 is hinged with a connecting block 53. The rotation axis between the connecting block 53 and the screw 52 is a third hinge shaft 531, and the axis direction of the third hinge shaft 531 is the same as that of the second hinge shaft 511. The connecting block 53 is a cylindrical block, and an annular convex block 532 is integrally formed on the outer peripheral surface of the connecting block 53.
Referring to Fig. 4 and Fig. 5, the bottom end face of the second support frame 32 is provided with a clamp 54 for pressing the connecting block 53 on the second support frame 32. The clamp 54 includes a fixed plate 541 and a moving plate 542. The fixed plate 541 and the moving plate 542 are two arc-shaped thin plates with opposite openings, and the fixed plate 541 is welded to the bottom end face of the second support frame 32. One end of the fixed plate 541 along its radial direction is hinged with one end of the moving plate 542 along its radial direction. The rotation axis between the fixed plate 541 and the moving plate 542 is the fourth hinge shaft 543, which is perpendicular to the bottom end face of the second support frame 32.
The end of the fixed plate 541 facing away from the fourth hinge shaft 543 and the end of the moving plate 542 facing away from the fourth hinge shaft 543 are respectively integrally formed with an extension block 544 corresponding to the position. The two opposite ends of the two extension blocks 544 are in contact with each other, and the two extension blocks 544 are tightly connected through the cooperation of bolts and nuts.
The inner peripheral surfaces of the fixed plate 541 and the moving plate 542 are provided with an annular groove 545 adapted to the annular boss 532, and the annular boss 532 is embedded in the annular groove 545. By adjusting the bolts and nuts on the clamp 54, the annular boss 532 can be pressed into the inner cavity of the annular groove 545, so that the connecting block 53 can be pressed into the inner side of the clamp 54.
Referring to figures 3 and 6, a support device 6 for supporting the horizontal approach slab 2 is arranged below the horizontal approach slab 2, and two groups of support devices 6 are arranged at intervals along the length direction of the horizontal approach slab 2. The support device 6 comprises a connecting plate 61 which is tightly connected to the end face of the bottom end of the first support steel frame 22 with bolts, and the connecting plate 61 is arranged along the width direction of the horizontal approach plate 2. A support tube 62 is integrally formed on the end face of the connecting plate 61 facing away from the first support steel frame 22. The support tube 62 is a Y-shaped tube arranged along the vertical direction. One end of the support tube 62 sliding away from the connecting plate 61 is connected with a support sleeve 63 sleeved on its peripheral surface.
The support tube 62 is provided with a connecting hole 621, which penetrates the two opposite side walls of the support tube 62 along the width direction of the horizontal approach plate 2, and a plurality of connecting holes 621 are arranged at intervals along the vertical direction. The support sleeve 63 is vertically penetrated with a connecting bolt 64. After the connecting bolt 64 is penetrated through one side of the support sleeve 63, it passes through the connecting hole 621 and passes through the other side of the support sleeve 63. The connecting bolt 64 is threaded with a connecting nut 65. Tightening the connecting nut 65 can press the connecting bolt 64 onto the support sleeve 63 to realize the locking between the support pipe 62 and the support sleeve 63.
A circular stabilizing plate 66 is welded at one end of the support sleeve 63 away from the support tube 62, and the end face of the stabilizing plate 66 away from the support sleeve 63 is butted on the ground outside the warehouse.
The implementation principle of the above embodiment is:
Exert a force on the ramp ramp ramp 3 through the piston rod of the hydraulic cylinder 42 to adjust the height of the horizontal approach plate 2. When the height is adjusted to the specified height, lap one end of the horizontal approach plate 2 with the first guide plate 24 on the step 1;
Rotate the screw 52, and the screw 52 moves along its own axis direction. When the screw 52 moves to the position where the connecting block 53 corresponds to the clamp 54, the annular boss 532 is embedded in the annular groove 545. With the fourth hinge shaft 543 as the rotating shaft, rotate the moving plate 542 until the two protruding blocks 544 are butted with each other. Adjust the bolts and nuts on the clamp 54 to press and connect the two protruding blocks 544, and press the connecting block 53 to the inside of the clamp 54, Realize the supporting effect of the diagonal bracing device 5 on the ramp ramp ramp plate 3;
Move the support sleeve 63 in the vertical direction so that the end face of the stabilizing plate 66 facing away from the support sleeve 63 butts against the ground outside the warehouse. After threading the connecting bolt 64 through one side of the support sleeve 63, it passes through the connecting hole 621 and passes through the other side of the support sleeve 63. Tightening the connecting nut 65 can lock the support sleeve 63 on the support tube 62, realizing the support effect of the support device 6 on the horizontal approach plate 2.
The specific embodiment is only an interpretation of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contributions as required after reading the specification, but they are protected by the patent law as long as they are within the scope of the claims of the utility model.
