Lifting frame for assembling refrigerator car box body

Abstract

The utility model discloses a lifting frame for assembling a refrigerator car box body, which belongs to the technical field of refrigerator cars and comprises a base plate, a lifting platform capable of ascending and descending is mounted on the top surface of the base plate, a protective frame for protecting personnel is fixedly mounted on the top surface of the lifting platform, and a plurality of handrails are fixedly mounted on the bottom surface of the protective frame. The bottom face of the handrail is fixedly connected with the top face of the lifting platform, a stabilizing mechanism used for enabling the lifting platform to move stably is arranged on the top face of the base plate, and the lifting air cylinder, the fixing frame, the chain wheel, the chain, the bearing, the connecting roller, the supporting frame, the base plate and the lifting platform are matched with one another, so that the lifting platform and workers on the lifting platform can move upwards; therefore, lifting of the lifting platform is achieved, workers can assemble the refrigerator car box body in the lifting platform, and compared with the prior art that the workers stand on a climbing ladder to assemble the refrigerator car box body, the operation space is larger, and the workers can assemble the refrigerator car box body conveniently.

Description

Technical Field

[0001] The utility model relates to the field of refrigerated trucks, in particular to a lifting frame for assembling a box body of a refrigerated truck. Background Art

[0002] Refrigerated trucks are closed van transport vehicles used to transport frozen or fresh goods. They are refrigerated special transport vehicles equipped with refrigeration units and polyurethane insulated compartments. They are commonly used to transport frozen foods (such as meat), dairy products, vegetables and fruits, vaccines and medicines, etc. Refrigerated trucks are the running parts of special vehicle chassis. There are many types of goods loaded in refrigerated trucks, including frozen foods, frozen items, fresh foods, and chilled items. When loading goods, the goods need to be pre-cooled to effectively suppress the temperature changes in the goods, so that they reach an optimal temperature and ensure that the goods arrive at the destination within the specified time. The box body of the refrigerated truck is composed of a front panel, a bottom panel, and side panels, which need to be assembled by staff.

[0003] After extensive searching, it was found that in the prior art, when assembling the box of a refrigerated truck, when the worker installs the front guard plate of the box, the worker generally stands on a ladder to assemble the box. When using the ladder, the worker needs to climb up and down the ladder to adapt to the constant change of the working height, which is time-consuming and affects the worker's assembly of the refrigerated truck box. Therefore, based on the above search and combined with the prior art, the utility model provides a lifting frame for assembling the box of a refrigerated truck to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting frame for assembling a refrigerated truck box body, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A lifting frame for assembling a refrigerated truck body comprises a base plate, a liftable lifting platform is mounted on the top surface of the base plate, a protection frame for protecting personnel is fixedly mounted on the top surface of the lift platform, a plurality of railings are fixedly mounted on the bottom surface of the protection frame, the bottom surface of the railings is fixedly connected to the top surface of the lift platform, a lifting mechanism for lifting the lift platform is arranged on the top surface of the base plate, and a stabilizing mechanism for stably moving the lift platform is arranged on the top surface of the base plate.

[0007] Furthermore, the lifting mechanism includes two lifting cylinders, a fixing frame is fixedly installed on the top surface of the telescopic shaft of the lifting cylinder, a sprocket is rotatably connected inside the fixing frame, two supporting frames are fixedly installed on the bottom surface of the lifting platform, two cross plates are installed on the top surface of the base plate, a chain is meshedly connected to the outer circular wall surface of the sprocket, one end of the chain is connected to the inner bottom surface of the supporting frame, and the other end of the chain is fixedly connected to the top surface of the cross plate.

[0008] Furthermore, two support plates are fixedly installed on the top surface of the base plate, one side of the support plate is provided with a limiting groove for limiting the support frame, one side of the support frame is fixedly installed with a limiting block, and the limiting block is slidably connected to the limiting groove.

[0009] Furthermore, the stabilizing mechanism includes a plurality of support beams, two rollers are rotatably connected to both sides of the lifting platform, a support groove is provided on one side of the support beam, and the rollers are slidably connected to the support groove.

[0010] Furthermore, a plurality of threaded rods are rotatably connected to the top surface of the base plate, and rubber blocks for contacting the ground are arranged on the bottom surfaces of the threaded rods.

[0011] Furthermore, a connection plate for connecting to an external vehicle is fixedly mounted on one side of the base plate, and a connection hole is formed on one side of the connection plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Through the provided base plate, when assembling the body of the refrigerated truck, the staff stands on the top surface of the lifting platform through the base plate, and the lifting cylinder, fixed frame, sprocket, chain, bearing, connecting roller, support frame, base plate and lifting platform cooperate with each other, so that the lifting platform and the staff thereon can be moved upward, and vice versa, thereby realizing the lifting and lowering of the lifting platform, and the staff can assemble the body of the refrigerated truck inside the lifting platform. Compared with the prior art of assembling the body of the refrigerated truck on the climbing ladder, the staff only needs to stand on the lifting platform for lifting and lowering, and does not need to move back and forth on the climbing ladder as the working height changes, which is safer and convenient for the staff to assemble the body of the refrigerated truck.

[0014] 2. By cooperating with each other through the setting of the lifting platform, rollers, support beams, support grooves, rotating shafts and fixed blocks, the rollers can roll inside the support grooves on the support beams when the lifting platform moves. Multiple rollers can improve the stability of the lifting platform during lifting, achieve a stable movement effect on the lifting platform, and prevent the lifting platform from shaking during lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the support beam structure of the utility model;

[0017] Figure 3 for Figure 2 Schematic diagram of the local structure of A;

[0018] Figure 4 for Figure 2 Schematic diagram of the local structure of B;

[0019] Figure 5 This is a schematic diagram of the support frame structure of the utility model.

[0020] In the figure: 1. base plate; 2. lifting platform; 3. railing; 4. protective frame; 5. collection box; 6. lifting mechanism; 7. stabilizing mechanism; 8. support frame; 9. support plate; 10. connecting plate; 11. connecting hole; 12. support beam; 13. support groove; 14. threaded hole; 15. threaded rod; 16. rubber block; 17. connecting beam; 18. cross plate; 19. chain; 20. lifting cylinder; 21. fixed frame; 22. bearing; 23. connecting roller; 24. sprocket; 25. fixed block; 26. roller; 27. rotating shaft; 28. limit groove; 29. ​​limit block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a lifting frame for assembling a refrigerated truck box body, comprising a base plate 1, a liftable lifting platform 2 is installed on the top surface of the base plate 1, a protective frame 4 for protecting personnel is fixedly installed on the top surface of the lifting platform 2, a plurality of railings 3 are fixedly installed on the bottom surface of the protective frame 4, the bottom surface of the railing 3 is fixedly connected to the top surface of the lifting platform 2, the protective frame 4 and the railing 3 can provide protection for the staff of the lifting platform 2, a collection box 5 for storing tools is fixedly installed on the top surface of the base plate 1, a lifting mechanism 6 for lifting the lifting platform 2 is arranged on the top surface of the base plate 1, and a stabilizing mechanism 7 for stably moving the lifting platform 2 is arranged on the top surface of the base plate 1;

[0023] The lifting mechanism 6 includes two lifting cylinders 20, which are fixedly mounted on the top surface of the base plate 1. A fixing frame 21 is fixedly mounted on the top surface of the telescopic shaft of the lifting cylinder 20. A sprocket 24 is rotatably connected to the inside of the fixing frame 21. Bearings 22 are fixedly mounted on both sides of the fixing frame 21. Connecting rollers 23 are fixedly mounted on both sides of the sprocket 24. The outer circumferential wall surface of the connecting roller 23 is fixedly sleeved with the inner circumferential wall surface of the inner ring of the bearing 22. The connecting roller 23 and the bearing 22 can support the rotation of the sprocket 24. The bottom of the lifting platform 2 Two support frames 8 are fixedly installed on the surface, two horizontal plates 18 are installed on the top surface of the base plate 1, and a plurality of connecting beams 17 are fixedly installed on the top surface of the base plate 1, and each two connecting beams 17 form a group, and the top surface of each group of connecting beams 17 is fixedly connected to the bottom surface of the horizontal plate 18, and the outer circular wall surface of the sprocket 24 is meshed and connected with a chain 19, and the stroke of the lifting cylinder 20 is increased by the cooperation of the sprocket 24 and the chain 19, one end of the chain 19 is connected to the inner bottom surface of the support frame 8, and the other end of the chain 19 is fixedly connected to the top surface of the horizontal plate 18;

[0024] Through the provided base plate 1, when assembling the box body of the refrigerated truck, the staff stands on the top surface of the lifting platform 2 through the base plate 1, and the staff starts the lifting cylinder 20. The telescopic shaft of the lifting cylinder 20 moves upward to drive the fixed frame 21 to move upward. The upward movement of the fixed frame 21 drives the sprocket 24 to move upward. The sprocket 24 moves upward and rotates with the cooperation of the chain 19. The rotation of the sprocket 24 drives the connecting roller 23 to rotate inside the bearing 22 on the fixed frame 21. The bearing 22 and the connecting roller 23 can limit the rotation of the sprocket 24. The rotation of the sprocket 24 also drives the chain 19 The chain 19 moves around the sprocket 24, so that the chain 19 drives the support frame 8 to move upward. The support frame 8 moves upward, driving the lifting platform 2 and the staff thereon to move upward, and vice versa, thereby realizing the lifting and lowering of the lifting platform 2. The staff can assemble the refrigerated truck body inside the lifting platform 2. Compared with the prior art of assembling the refrigerated truck body on a ladder, the staff only needs to stand on the lifting platform 2 for lifting and lowering, and does not need to move back and forth on the ladder as the working height changes. This is safer and convenient for the staff to assemble the refrigerated truck body.

[0025] Example 2: Please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5 , the lifting frame for assembling the box body of a refrigerated truck is different from the embodiment 1 in that two support plates 9 are fixedly installed on the top surface of the base plate 1, and a limiting groove 28 for limiting the support frame 8 is opened on one side of the support plate 9. Both sides of the inner side of the limiting groove 28 are inclined toward the middle position of the limiting groove 28. A limiting block 29 is fixedly installed on one side of the support frame 8. The shape of the limiting block 29 fits the limiting groove 28 to prevent the limiting block 29 from detaching from the limiting groove 28, and the limiting block 29 is slidably connected to the limiting groove 28;

[0026] By setting the support frame 8, the support frame 8 moves upward to drive the limit block 29 to move inside the limit groove 28 of the support plate 9. The limit groove 28 and the limit block 29 cooperate to limit the movement of the support frame 8, thereby achieving a limiting effect on the support frame 8;

[0027] The stabilizing mechanism 7 includes a plurality of support beams 12, which are fixedly mounted on the top surface of the base plate 1. The support beams 12 can provide guidance for the movement of the lifting platform 2. Two rollers 26 are rotatably connected to both sides of the lifting platform 2. A plurality of fixed blocks 25 are fixedly mounted on both sides of the lifting platform 2. A rotating shaft 27 is fixedly mounted at both ends of the roller 26. The roller 26 is rotatably connected to the fixed block 25 via the rotating shaft 27. A support groove 13 is provided on one side of the support beam 12, and the roller 26 is slidably connected to the support groove 13.

[0028] By setting the lifting platform 2, the lifting platform 2 moves upward to drive the roller 26 to roll inside the support groove 13 on the support beam 12, and the rolling of the roller 26 drives the rotating shaft 27 to rotate on the fixed block 25. The plurality of rollers 26 can improve the stability of the lifting platform 2 when it is lifted and lowered, so as to achieve the effect of stable movement of the lifting platform 2 and prevent the lifting platform 2 from shaking when it is lifted and lowered;

[0029] The top surface of the base plate 1 is rotatably connected with a plurality of threaded rods 15, the bottom surface of the threaded rods 15 is provided with a rubber block 16 for contacting the ground, the top surface of the base plate 1 is provided with a plurality of threaded holes 14, the outer circumferential wall surface of the threaded rods 15 is threadedly connected with the inner circumferential wall surface of the threaded holes 14;

[0030] Through the set substrate 1, the staff moves the substrate 1 to a suitable position, and the staff rotates the threaded rod 15 to drive the rubber block 16 to rotate. The rotation of the threaded rod 15 inside the threaded hole 14 on the substrate 1 will also drive the rubber block 16 to move downward until it abuts against the ground. The rubber block 16 can support the substrate 1 and improve the stability of the substrate 1 on the ground.

[0031] A connecting plate 10 for connecting to an external vehicle is fixedly installed on one side of the base plate 1. A connecting hole 11 is opened on one side of the connecting plate 10. Through the setting of the connecting plate 10, the staff puts the bolts into the connecting hole 11 on the connecting plate 10, thereby connecting the base plate 1 to the external vehicle, and then uses the external vehicle to drive the base plate 1 to move.

[0032] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A lifting frame for assembling a refrigerated vehicle body, comprising a base plate (1), characterized in that: A liftable lifting platform (2) is installed on the top surface of the base plate (1); a protective frame (4) for protecting personnel is fixedly installed on the top surface of the lifting platform (2); a plurality of handrails (3) are fixedly installed on the bottom surface of the handrails (3); the bottom surface of the handrails (3) is fixedly connected to the top surface of the lifting platform (2); a lifting mechanism (6) for lifting the lifting platform (2) is arranged on the top surface of the base plate (1); and a stabilizing mechanism (7) for allowing the lifting platform (2) to move stably is arranged on the top surface of the base plate (1).

2. The lifting frame for assembling a refrigerated vehicle box body according to claim 1, characterized in that: The lifting mechanism (6) comprises two lifting cylinders (20), a fixing frame (21) is fixedly installed on the top surface of the telescopic shaft of the lifting cylinder (20), a sprocket (24) is rotatably connected inside the fixing frame (21), two supporting frames (8) are fixedly installed on the bottom surface of the lifting platform (2), two transverse plates (18) are installed on the top surface of the base plate (1), a chain (19) is meshingly connected to the outer circular wall surface of the sprocket (24), one end of the chain (19) is connected to the inner bottom surface of the supporting frame (8), and the other end of the chain (19) is fixedly connected to the top surface of the transverse plate (18).

3. The lifting frame for assembling a refrigerated vehicle box body according to claim 2, characterized in that: Two support plates (9) are fixedly mounted on the top surface of the base plate (1); a limiting groove (28) for limiting the support frame (8) is provided on one side of the support plate (9); a limiting block (29) is fixedly mounted on one side of the support frame (8); the limiting block (29) is slidably connected to the limiting groove (28).

4. The lifting frame for assembling a refrigerated vehicle box body according to claim 1, characterized in that: The stabilizing mechanism (7) comprises a plurality of support beams (12), two rollers (26) are rotatably connected to both sides of the lifting platform (2), a support groove (13) is provided on one side of the support beam (12), and the rollers (26) are slidably connected to the support groove (13).

5. The lifting frame for assembling a refrigerated vehicle box body according to claim 1, characterized in that: The top surface of the base plate (1) is rotatably connected to a plurality of threaded rods (15), and the bottom surfaces of the threaded rods (15) are provided with rubber blocks (16) for contacting the ground.

6. The lifting frame for assembling a refrigerated vehicle box body according to claim 1, characterized in that: A connection plate (10) for connecting to an external vehicle is fixedly mounted on one side of the base plate (1), and a connection hole (11) is provided on one side of the connection plate (10).

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