Transportation traction device

The transport traction device with a split structure design solves the problems of fixed container volume and easy damage to connectors, and achieves flexible adjustment and protection, thereby improving transport efficiency and safety.

CN224131156UActive Publication Date: 2026-04-17JILIN JIAHONG MASCH & EQUIP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JILIN JIAHONG MASCH & EQUIP MFG CO LTD
Filing Date
2025-05-22
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The existing transport traction device has a fixed box volume that cannot be adjusted, which makes it unable to meet the filling and transport needs of various volumes, and the external connector structure is easily damaged by bumps.

Method used

It adopts a modular structural design, which expands the internal area of ​​the main transport box and extends the traction block through the combination of support rods and positioning screws. Combined with the rolling of the moving wheels, it achieves stable transportation and can be stored away when not needed to reduce space occupation.

Benefits of technology

It enables flexible adjustment of the transport container to adapt to different volume filling requirements, while protecting the connector structure to avoid damage from bumps and collisions, thereby improving transportation efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a transportation traction device, which relates to the transportation traction field, and comprises a main transportation box, the bottom surface of the main transportation box is vertically, downwards, symmetrically and fixedly connected with supporting bottom rods, the side edges of the supporting bottom rods are provided with moving wheel bodies, and the two side edges of the main transportation box are symmetrically inserted with positioning screw rods; supporting insertion rods are horizontally and symmetrically inserted into the two ends of the main transportation box, positioning screw holes are horizontally and evenly formed in one side edge of each supporting insertion rod, a bottom supporting plate is horizontally in butt joint with the top faces of the supporting insertion rods, isolation side plates are vertically in butt joint with the top faces of the bottom supporting plates, and sealing end plates are vertically arranged on the side edges between the isolation side plates. A traction connecting block is horizontally connected to one end of the bottom supporting plate in a clamped mode, after a split structure is adopted, the size is small and does not occupy space after disassembly, meanwhile, due to the expandable adjusting structure, the device is adjusted and used as needed during transportation and use, and due to the retractable traction structure, the appearance of the device is not affected after the device is stored.
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Description

Technical Field

[0001] This utility model relates to the field of transportation traction technology, specifically a transportation traction device. Background Technology

[0002] Transport traction generally refers to the process of transporting goods using a tractor unit (such as a truck or trailer). This mode of transport can be divided into two main connection methods: semi-trailers and full trailers. In semi-trailer mode, the front half of the trailer rides on the rear axle of the tractor, allowing the rear axle to bear part of the trailer's weight; while in full trailer mode, the tractor unit directly tows the trailer, with the trailer not pressing against the tractor unit.

[0003] Current transportation and traction methods rely on fixed container transport structures, which limit the container's volume and prevent adjustment. This makes it unsuitable for transporting containers of various sizes, and the exposed connectors are susceptible to damage from impacts, affecting subsequent connection and traction. Utility Model Content

[0004] The purpose of this utility model is to provide a transport traction device to solve the problems mentioned in the background art, which is that the current transport traction process uses a fixed box transport structure, so the volume of the box is fixed and cannot be adjusted, making it unable to meet the needs of loading and transporting various volumes. In addition, the exposed external connection structure is prone to damage from impacts, affecting subsequent connection and traction.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A transport traction device includes a main transport box. Supporting base rods are symmetrically and vertically fixed to the bottom surface of the main transport box. Moving wheels are provided on the sides of the supporting base rods. Positioning screws are symmetrically inserted into both sides of the main transport box. Supporting rods are symmetrically inserted into both ends of the main transport box. Positioning screw holes are evenly distributed horizontally on one side of each supporting rod. A bottom support plate is horizontally connected to the top surface of each supporting rod. An isolation side plate is vertically connected to the top surface of the bottom support plate. Sealing end plates are vertically arranged between the isolation side plates. A traction block is horizontally engaged at one end of the bottom support plate. The main transport box has symmetrical movable channels at both ends. The inner bottom surface of the movable channels has horizontally symmetrically formed mating grooves. The top surface of the support rod has a horizontally formed snap-fit ​​top groove. The bottom surface of the bottom support plate has a symmetrically fixed bottom snap-fit ​​strip. The bottom surface of the bottom support plate has a horizontally formed bottom storage groove. The inner side of the bottom storage groove has a horizontally symmetrically formed limit groove. The two sides of the traction block have symmetrically fixed limit blocks. The top surface of the traction block has a connecting hole. The two sides of the sealing end plate have symmetrically fixed vertical snap-fit ​​strips. The side of the isolation side plate has a vertically formed vertical snap-fit ​​groove.

[0007] In a preferred embodiment of this utility model, the main transport box has open ends, and there are four supporting bottom rods arranged in parallel with each other. The four supporting bottom rods are all fixedly connected to the bottom surface of the main transport box near the four corner screw holes by corresponding threaded top screws.

[0008] In a preferred embodiment of this utility model: the positioning screws are symmetrically inserted into each other in pairs at both ends of the side of the main transport box, and the extension ends are threadedly connected to the inner side of the positioning screw holes. One end of the support rod is horizontally inserted into the inner side of the mating groove. The positioning screw holes are arranged horizontally and equidistantly in a straight line at the center line of the side of the support rod.

[0009] In a preferred embodiment of this utility model: the isolation side plates are arranged parallel to each other on both sides of the top surface of the bottom support plate, and one end of the isolation side plate is inserted into the inner side of the movable channel, and one end of the traction block is horizontally inserted into the inner side of the receiving bottom groove. The movable channel is U-shaped and opened at both ends of the main transport box.

[0010] In a preferred embodiment of this utility model: the mating slots are arranged symmetrically and parallel to each other at the two bottom corners of the inner side of the movable channel. One side of the snap-fit ​​top slot extends horizontally through the side of the support rod to the outside in an open shape. The bottom snap-fit ​​strips are arranged in pairs symmetrically and parallel to each other at the bottom surface of the bottom support plate near the edge. The bottom snap-fit ​​strips are horizontally snap-fitted into the inner side of the snap-fit ​​top slot. The receiving bottom slot is horizontally opened at one end of the center line of the bottom surface of the bottom support plate, and one end of the receiving bottom slot is open.

[0011] In a preferred embodiment of this utility model: one end of the limiting block is correspondingly snapped into the inner side of the limiting groove, the vertical locking strip is vertically snapped into the inner side of the vertical locking groove, and the vertical locking groove is vertically opened on the side of the isolation side plate near one end, and the top of the vertical locking groove penetrates the top surface of the isolation side plate in an open shape.

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

[0013] This invention adjusts the support rod by pulling it outward from the inside of the slot until it reaches a specified length. Then, the side positioning screw rotates, fixing one end to the positioning screw hole, thus adjusting the support rod. Driven by the support rod, the top support plate and the isolation side plate extend outward from the inside of the movable channel, expanding the internal area of ​​the main transport box to the required size. This allows materials to be placed inside the main transport box and the isolation side plate. Finally, pulling the traction block outward from the opening of the receiving slot causes the limiting block to... The traction block moves horizontally along the limiting groove, allowing it to extend outward to a specified length. External connecting devices are then connected via plug rods at the connection holes. When the tractor moves, the traction block pulls the main transport box. The rolling of the wheels on the bottom ensures the main transport box moves stably and is transported to the designated location. The modular structure makes it compact and space-saving after disassembly. The expandable and adjustable structure allows for adjustment as needed during transport, while the retractable traction structure ensures it remains aesthetically pleasing when stored. Attached Figure Description

[0014] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 A three-dimensional structural diagram of a transport traction device;

[0016] Figure 2 A structural schematic diagram showing the three-dimensional connection details of the main transport box of a transport traction device;

[0017] Figure 3A structural schematic diagram showing the three-dimensional connection details of a support rod for a transport traction device;

[0018] Figure 4 A structural schematic diagram showing the three-dimensional connection details of the base plate of a transport traction device;

[0019] Figure 5 This is a structural schematic diagram showing the three-dimensional connection details of the sealing end plate of a transportation traction device.

[0020] In the diagram: 1. Main transport box; 2. Supporting base rod; 3. Moving wheel; 4. Positioning screw; 5. Supporting insert rod; 6. Positioning screw hole; 7. Base plate; 8. Isolation side plate; 9. Sealing end plate; 10. Traction block; 11. Movable channel; 12. Matching slot; 13. Top slot; 14. Bottom locking strip; 15. Storage bottom slot; 16. Limiting slot; 17. Limiting block; 18. Connecting hole; 19. Vertical locking strip; 20. Vertical locking slot. Detailed Implementation

[0021] Please see Figure 1 In this embodiment of the present invention, a transport traction device includes a main transport box 1. Supporting base rods 2 are symmetrically and vertically fixed to the bottom surface of the main transport box 1. Moving wheels 3 are provided on the sides of the supporting base rods 2. The two ends of the main transport box 1 are open. There are four supporting base rods 2, arranged parallel to each other. Each of the four supporting base rods 2 is threadedly fixed to the bottom surface of the main transport box 1 near the four corner screw holes via top screws. Positioning screws 4 are symmetrically inserted into both sides of the main transport box 1. Supporting rods 5 are symmetrically inserted horizontally at both ends of the main transport box 1. Positioning screw holes 6 are evenly and horizontally opened on one side of each supporting rod 5. The positioning screws 4 are symmetrically inserted in pairs into the main transport box 1. The two ends of the side of the box 1 are connected to the inner side of the positioning screw hole 6 with the corresponding threaded connection. One end of the support rod 5 is horizontally inserted into the inner side of the mating groove 12. The positioning screw hole 6 is arranged horizontally and equidistantly in a straight line at the center line of the side of the support rod 5. The top surface of the support rod 5 is horizontally connected to the bottom plate 7. The top surface of the bottom plate 7 is vertically connected to the isolation side plate 8. The sides of the isolation side plates 8 are vertically arranged with sealing end plates 9. One end of the bottom plate 7 is horizontally connected to the traction block 10. The isolation side plates 8 are arranged parallel to each other on both sides of the top surface of the bottom plate 7. One end of the isolation side plate 8 is inserted into the inner side of the movable channel 11. One end of the traction block 10 is horizontally inserted into the inner side of the storage bottom groove 15.

[0022] Please see Figure 2-5In this embodiment of the utility model, a transport traction device is provided, wherein the main transport box 1 has symmetrical movable channels 11 at both ends, the movable channels 11 are U-shaped and located at the two open ends of the main transport box 1, the inner bottom surface of the movable channels 11 has horizontally symmetrically provided mating grooves 12, the top surface of the support rod 5 has horizontally provided a snap-fit ​​top groove 13, the bottom surface of the bottom support plate 7 is symmetrically fixed with bottom snap-fit ​​strips 14, the bottom surface of the bottom support plate 7 has horizontally provided with a bottom receiving groove 15, the mating grooves 12 are parallel and symmetrically arranged at the two bottom corners of the inner side of the movable channels 11, one side of the snap-fit ​​top groove 13 horizontally extends through the side of the support rod 5 to the outside in an open shape, and the bottom snap-fit ​​strips 14 are arranged in pairs parallel and symmetrically arranged near the edge of the bottom surface of the bottom support plate 7, and the bottom snap-fit ​​strips 14 are horizontally fixed. The corresponding snap-fit ​​is set on the inner side of the snap-fit ​​top groove 13. The receiving bottom groove 15 is horizontally opened at one end of the bottom center line of the bottom surface of the bottom support plate 7, and one end of the receiving bottom groove 15 is open. The inner side of the receiving bottom groove 15 is horizontally symmetrically opened with limit grooves 16. The two sides of the traction connecting block 10 are symmetrically fixed with limit blocks 17. The top surface of the traction connecting block 10 is opened with a connecting hole 18. The two sides of the sealing end plate 9 are symmetrically fixed with vertical locking strips 19. The side of the isolation side plate 8 is vertically opened with a vertical locking groove 20. One end of the limit block 17 is correspondingly snap-fitted on the inner side of the limit groove 16. The vertical locking strip 19 is vertically snap-fitted on the inner side of the vertical locking groove 20. The vertical locking groove 20 is vertically opened on the side of the isolation side plate 8 near one end. The top of the vertical locking groove 20 penetrates the top surface of the isolation side plate 8 and is open.

[0023] The working principle of this utility model is as follows:

[0024] Pulling the support rod 5 outward from the inside of the mating slot 12 until it extends to a specified length, the positioning screw 4 on the side rotates to fix one end to the positioning screw hole 6, thus adjusting the support rod 5. Driven by the support rod 5, the bottom support plate 7 and the isolation side plate 8 on the top surface extend outward from the inside of the movable channel 11, expanding the internal area of ​​the main transport box 1 to the specified required size, allowing materials to be placed on the inner side of the main transport box 1 and the isolation side plate 8. Pulling the traction block 10 outward from the opening end of the receiving bottom groove 15 causes the limiting block 17 to move horizontally along the limiting groove 16, allowing the traction block 10 to extend outward to a specified length. This allows external connecting equipment to be connected to the connection hole 18 via the rod. When the tractor moves, the traction block 10 pulls the main transport box 1, and the rolling of the moving wheels 3 on the bottom surface allows the main transport box 1 to move stably and be traction transported to the specified point.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A transport traction device comprising a main transport box (1), characterized in that, The bottom surface of the main transport box (1) is vertically and symmetrically fixed with a support base rod (2). The support base rod (2) is provided with a moving wheel (3) on its side. The two sides of the main transport box (1) are symmetrically inserted with positioning screws (4). The two ends of the main transport box (1) are horizontally and symmetrically inserted with support rods (5). The one side of the support rod (5) is horizontally and evenly provided with positioning screw holes (6). The top surface of the support rod (5) is horizontally connected with a bottom support plate (7). The top surface of the bottom support plate (7) is vertically connected with an isolation side plate (8). The sides of the isolation side plates (8) are vertically provided with sealing end plates (9). One end of the bottom support plate (7) is horizontally snapped with a traction block (10). The two ends of the main transport box (1) are symmetrically provided with... The movable channel (11) has a horizontally symmetrically arranged matching groove (12) on the inner bottom surface. The top surface of the support rod (5) has a horizontally arranged snap-fit ​​top groove (13). The bottom surface of the bottom support plate (7) is symmetrically fixed with a bottom snap-fit ​​strip (14). The bottom surface of the bottom support plate (7) has a horizontally arranged storage bottom groove (15). The inner side of the storage bottom groove (15) has a horizontally symmetrically arranged limit groove (16). The two sides of the traction connecting block (10) are symmetrically fixed with limit blocks (17). The top surface of the traction connecting block (10) has a connecting hole (18). The two sides of the sealing end plate (9) are symmetrically fixed with vertical snap-fit ​​strips (19). The side of the isolation side plate (8) has a vertically arranged vertical snap-fit ​​groove (20).

2. A transport towing device according to claim 1, characterized in that The main transport box (1) has open ends and four support rods (2). The four support rods (2) are arranged in parallel to each other. The four support rods (2) are fixedly connected to the bottom surface of the main transport box (1) near the four corner screw holes by the top screws.

3. A transport towing device according to claim 1, characterized in that The positioning screws (4) are symmetrically inserted into each other in pairs at both ends of the side of the main transport box (1), and the extension ends are threadedly connected to the inner side of the positioning screw holes (6). One end of the support rod (5) is horizontally inserted into the inner side of the mating groove (12). The positioning screw holes (6) are arranged horizontally and equidistantly in a straight line at the center line of the side of the support rod (5).

4. A transport towing device according to claim 1, characterized in that The isolation side plates (8) are arranged parallel to each other on both sides of the top surface of the bottom support plate (7), and one end of the isolation side plate (8) is inserted into the inner side of the movable channel (11). One end of the traction block (10) is horizontally inserted into the inner side of the storage bottom groove (15). The movable channel (11) is U-shaped and opened at both ends of the main transport box (1).

5. A transport towing device according to claim 1, characterized in that The matching slots (12) are arranged symmetrically and parallel to each other at the two bottom corners of the inner side of the movable channel (11). One side of the snap-fit ​​top slot (13) extends horizontally through the side of the support rod (5) to the outside in an open shape. The bottom snap-fit ​​strips (14) are arranged in pairs symmetrically and parallel to each other at the bottom surface of the bottom support plate (7) near the edge. The bottom snap-fit ​​strips (14) are all horizontally snap-fitted into the inner side of the snap-fit ​​top slot (13). The receiving bottom slot (15) is horizontally opened at one end of the center line of the bottom surface of the bottom support plate (7), and one end of the receiving bottom slot (15) is open.

6. A transport towing device according to claim 1, characterized in that One end of the limiting block (17) is correspondingly snapped into the inner side of the limiting groove (16), and the vertical locking strip (19) is vertically snapped into the inner side of the vertical locking groove (20). The vertical locking groove (20) is vertically opened on the side of the isolation side plate (8) near one end, and the top of the vertical locking groove (20) penetrates the top surface of the isolation side plate (8) in an open shape.