Self-dumping semitrailer with low bearing surface

By designing a frame composed of cross beams and large beams, and installing hydraulic components and rotating heads at the bottom of the carriage assembly, the height of the load surface of the dump semi-trailer is reduced, solving the problem of excessive center of gravity of the cargo and improving driving safety.

CN222905669UActive Publication Date: 2025-05-27HUAIBEI WANJUN MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422115654.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-05-27
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

Generally, the load-bearing surface height of the dump semi-trailer is high, which leads to excessive center of gravity of the cargo and increases the risk of driving.

Method used

A dump semi-trailer with low load surface is designed. A frame is formed by multiple beams and two beams, and a hydraulic component is installed between the beams. The bottom of the carriage assembly is connected to the hydraulic component. Support beams are installed on the back of the two beams, and reinforced blocks are reinforced at the connection to increase the support force of the carriage assembly. The rotating head is installed at the bottom of the carriage assembly, and the angle adjustment and unloading functions of the carriage assembly are realized through the cooperation of the hydraulic assembly and the rotating head.

Benefits of technology

By reducing the bearing surface height of the semi-trailer, the center of gravity of the cargo is lowered and the driving safety is increased.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a self-dumping semitrailer with a low bearing surface. The self-dumping semitrailer with the lower bearing surface is provided with two girders; the multiple cross beams are installed on the adjacent faces of the two girders, a hydraulic assembly is arranged between every two cross beams, a carriage assembly is installed at the tops of the two girders, and rotating heads are fixedly connected to the positions, close to the front face and the back face, of the bottom of the carriage assembly; the bottom plate is fixedly connected to one ends of the two girders, a butt joint is installed at the bottom of the bottom plate, a plurality of sets of wheels are installed at the positions, close to the other ends, of the bottoms of the two girders through a plurality of sets of suspension frames, and a plurality of supporting beams are installed at the positions, located at the tops, of the opposite faces of the two girders at equal intervals. According to the self-dumping semitrailer with the low bearing surface, through the structure, the height of the bearing surface of the semitrailer can be reduced, the center for transferring more cargoes is reduced, and the driving safety is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of dump semi-trailers, in particular to a dump semi-trailer with a low load-bearing surface. Background Art

[0002] A semitrailer is a trailer whose axle is placed behind the center of gravity of the vehicle and is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. A semitrailer is generally a three-axle semitrailer, and its types are divided into many categories such as 11-meter warehouse semitrailer, 13-meter warehouse semitrailer, low-bed semitrailer and so on.

[0003] A semi-trailer is mainly composed of a frame, a superstructure, a traction pin, a suspension system, a traveling mechanism, an electrical system, a supporting device, a protective device and trailer accessories.

[0004] However, the load-bearing surface of general dump trailers is relatively high, which causes the center of gravity of the heavily loaded cargo to be too high, increasing the risk of driving.

[0005] Therefore, it is necessary to provide a dump trailer with a low load-bearing surface to solve the above-mentioned technical problems. Utility Model Content

[0006] The utility model provides a dump semitrailer with a low load-bearing surface, which solves the problem of increased driving risk due to an excessively high center of gravity when loading high goods if the semitrailer has a high load-bearing surface.

[0007] In order to solve the above technical problems, the utility model provides a dump semi-trailer with a low load-bearing surface, comprising: two beams;

[0008] Multiple cross beams, which are installed on the adjacent sides of the two main beams, a hydraulic assembly is arranged between each of the cross beams, a carriage assembly is installed on the top of the two main beams, and a rotating head is fixedly connected to the bottom of the carriage assembly near the front and back sides;

[0009] A bottom plate, the bottom plate is fixedly connected to one end of the two beams, a butt joint is installed at the bottom of the bottom plate, a plurality of sets of wheels are installed at the bottom of the two beams near the other end through a plurality of sets of suspensions, a plurality of support beams are installed at equal intervals at the top position of the two beams opposite to each other, a mounting opening is opened at the other end of the support beams, and a reinforcement block is installed at the bottom of the support beams near the end of the beams;

[0010] The top of the hydraulic assembly is rotatably connected to the bottom of the car body assembly. The hydraulic assembly cooperates with the swivel head to adjust the angle of the car body assembly for easy unloading. The car body assembly includes a car body panel, guardrails and columns. The swivel head is installed inside the mounting port through a bolt, and can cooperate with the hydraulic assembly to lift the car body assembly. The bolt is detachable, and the butt joint is convenient for connection with the front of the car. One side of the reinforcement block is connected to the beam to increase the bearing capacity of the support beam.

[0011] Preferably, a protection bar is installed on one side of the carriage assembly, and two fixing bars are installed on the front side of one of the beams;

[0012] Position reference of the fixing rod Figure 1 The protective bar is used to increase the firmness of the car body assembly close to the cab side.

[0013] Preferably, a storage box is installed at the bottom of the fixing rod, and a box door is rotatably connected to one side of the storage box;

[0014] The interior of the storage box is used to store sundries.

[0015] Preferably, a plurality of mounting bases are installed at positions near the bottom of the front and back of the carriage assembly, and a warning light is installed on the other side of each mounting base;

[0016] The warning light has its own solar panel that can generate electricity automatically.

[0017] Preferably, the other ends of the two beams are fixedly connected to support rods, and the other ends of the support rods are fixedly connected to guard rods;

[0018] The guard rail is similar to a bumper.

[0019] Preferably, a license plate slot is provided on the other side of the guard bar, and rear taillights are installed at positions near both ends of the other side of the guard bar through fixed bases;

[0020] There are wires passing through the inside of the taillight and connecting it to the front of the car.

[0021] Compared with the related art, the dump semi-trailer with a low load-bearing surface provided by the utility model has the following beneficial effects:

[0022] The utility model provides a dump semi-trailer with a low load-bearing surface. In order to reduce the height of the load-bearing surface of the dump semi-trailer, a frame with moderate width is first formed by multiple cross beams and two main beams, and wheels are installed on the front and back of the frame through suspensions. Then, hydraulic components are installed between each cross beam and connected to the bottom of the car body component, and a row of support beams are installed on the opposite sides of the two main beams, and the lower part of the connection between the main beam and the support beam is reinforced by a reinforcement block, thereby increasing the supporting force of the car body component near the edge position, so that the car body component can cooperate with the hydraulic The component realizes the self-unloading function. A plurality of rotating heads are installed at the front and back positions of the bottom of the car body component, and the rotating heads are inserted into the inside of the mounting hole at the other end of the supporting beam. When not unloading, the rotating heads are stuck in the inside of the mounting hole through the bolt. When unloading is required, the bolt on the mounting hole on the corresponding side is removed according to the unloading direction to release the restriction on the rotating head on the corresponding side, while the rotating head on the other side is installed in the mounting hole through the bolt and can rotate at an angle. Through this structure, the height of the load-bearing surface of the semi-trailer can be lowered, the center when transferring more goods is lowered, and driving safety is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of a preferred embodiment of a dump semi-trailer with a low load-bearing surface provided by the utility model;

[0024] Figure 2 A structural schematic diagram of a hydraulic assembly is provided for the utility model;

[0025] Figure 3 A schematic diagram of the structure of a protection rod is provided for the utility model;

[0026] Figure 4 Provided for the utility model Figure 1 An enlarged view of point A is shown;

[0027] Figure 5 Provided for the utility model Figure 1 An enlarged view of point B is shown.

[0028] Numbers in the figure: 1. beam, 2. bottom plate, 3. butt joint, 4. warning light, 5. car body assembly, 6. mounting base, 7. suspension, 8. wheel, 9. cross beam, 10. hydraulic assembly, 11. support beam, 12. reinforcement block, 13. support rod, 14. license plate slot, 15. guard bar, 16. fixed base, 17. rear tail light, 18. guard bar, 19. rotating head, 20. mounting opening, 21. fixing rod, 22. placement box, 23. box door. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a dump semi-trailer with a low load-bearing surface provided by the utility model; Figure 2 A structural schematic diagram of a hydraulic assembly is provided for the utility model; Figure 3 A schematic diagram of the structure of a protection rod is provided for the utility model; Figure 4 Provided for the utility model Figure 1 An enlarged view of point A is shown; Figure 5 Provided for the utility model Figure 1 An enlarged view of point B is shown. The dump semitrailer with a low load-bearing surface comprises: two beams 1;

[0031] Multiple cross beams 9, multiple cross beams 9 are installed on the adjacent side of two beams 1, a hydraulic assembly 10 is arranged between each of the cross beams 9, a carriage assembly 5 is installed on the top of the two beams 1, and a rotating head 19 is fixedly connected to the bottom of the carriage assembly 5 near the front and back sides;

[0032] A bottom plate 2, the bottom plate 2 is fixedly connected to one end of the two beams 1, a docking joint 3 is installed at the bottom of the bottom plate 2, a plurality of sets of wheels 8 are installed at the bottom of the two beams 1 near the other end through a plurality of sets of suspensions 7, a plurality of support beams 11 are installed at equal intervals at the top of the opposite sides of the two beams 1, a mounting opening 20 is opened at the other end of each support beam 11, and a reinforcement block 12 is installed at the bottom of each support beam 11 near the end of the beam 1;

[0033] The top of the hydraulic component 10 is rotatably connected to the bottom of the car body component 5. The car body component 5 includes a car body panel, guardrails and columns. The rotating head 19 is installed inside the mounting port 20 through a bolt, and can cooperate with the hydraulic component 10 to lift the car body component 5. The bolt is detachable. The docking joint 3 is convenient for connection with the front of the vehicle. One side of the reinforcement block 12 is connected to the beam 1 to increase the bearing capacity of the support beam 11. The wheels 8 are located on the front and back of the beam 1.

[0034] A protection bar 18 is installed on one side of the carriage assembly 5, and two fixing bars 21 are installed on the front side of one of the beams 1;

[0035] The position reference of the fixing rod 21 Figure 1 The protection rod 18 is used to increase the firmness of the carriage assembly 5 on the side close to the cab, and the top end of the protection rod 18 is connected to the bottom plate 2.

[0036] A storage box 22 is installed at the bottom of the fixing rod 21, and a box door 23 is rotatably connected to one side of the storage box 22;

[0037] The box door 23 is provided with a lock, and the interior of the storage box 22 is used to store sundries.

[0038] A plurality of mounting bases 6 are installed on the front and back sides of the carriage assembly 5 near the bottom, and a warning light 4 is installed on the other side of the mounting base 6;

[0039] The warning lights 4 are equipped with solar panels to generate electricity automatically, and the warning lights 4 are installed at equal intervals.

[0040] The other ends of the two beams 1 are fixedly connected to support rods 13, and the other ends of the support rods 13 are fixedly connected to guard rods 15;

[0041] The guard bar 15 is similar to a safety bar and can increase safety.

[0042] A license plate slot 14 is provided on the other side of the guard bar 15, and rear tail lights 17 are installed at positions near both ends of the other side of the guard bar 15 through fixed bases 16;

[0043] The license plate slot 14 is used to install the license plate, and a line passes through the rear taillight 17 to connect with the front of the vehicle.

[0044] The working principle of the dump semi-trailer with a low load-bearing surface provided by the utility model is as follows:

[0045] First, a frame of moderate width is formed by multiple cross beams 9 and two beams 1, and wheels 8 are installed on the front and back of the frame through suspensions 7. Then, hydraulic components 10 are installed between each cross beam 9 and connected to the bottom of the car body component 5. A row of support beams 11 are installed on the opposite sides of the two beams 1, and the lower part of the connection between the beams 1 and the support beams 11 is reinforced by reinforcement blocks 12, thereby increasing the support force of the car body component 5 near the edge. In order to make the car body component 5 cooperate with the hydraulic The component 10 realizes the self-unloading function. A plurality of rotating heads 19 are installed at the front and back positions of the bottom of the car body component 5, and the rotating head 19 is inserted into the inside of the mounting port 20 at the other end of the support beam 11. When not unloading, the rotating head 19 is stuck in the inside of the mounting port 20 by means of a bolt. When unloading is required, the bolt on the mounting port 20 on the corresponding side is removed according to the unloading direction to release the restriction on the rotating head 19 on the corresponding side, while the rotating head 19 on the other side is installed in the inside of the mounting port 20 by means of a bolt and can rotate an angle.

[0046] Compared with the related art, the dump semi-trailer with a low load-bearing surface provided by the utility model has the following beneficial effects:

[0047] In order to lower the height of the load-bearing surface of the dump semi-trailer, a frame of moderate width is first formed by multiple cross beams 9 and two beams 1, and the wheels 8 are installed on the front and back of the frame through the suspension 7. Then, the hydraulic assembly 10 is installed between each cross beam 9 and connected to the bottom of the car body assembly 5. A row of support beams 11 are installed on the opposite sides of the two beams 1, and the lower part of the connection between the beam 1 and the support beam 11 is reinforced by a reinforcement block 12, thereby increasing the supporting force of the car body assembly 5 near the edge. In order to make the car body assembly 5 cooperate with the hydraulic assembly 10 to realize the self-unloading function, A plurality of rotating heads 19 are installed at the front and back positions of the bottom of the compartment assembly 5, and the rotating heads 19 are inserted into the inside of the mounting opening 20 at the other end of the support beam 11. When not unloading, the rotating heads 19 are stuck in the inside of the mounting opening 20 by means of a bolt. When unloading is required, the bolt on the mounting opening 20 on the corresponding side is removed according to the unloading direction to release the restriction on the rotating heads 19 on the corresponding side, while the rotating heads 19 on the other side are installed in the mounting opening 20 by means of a bolt and can rotate at an angle. Through this structure, the height of the load-bearing surface of the semi-trailer can be lowered, the center when transferring more goods is lowered, and driving safety is increased.

[0048] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A dump semi-trailer with a low load-bearing surface, characterized in that: include: two large beams; Multiple cross beams, which are installed on the adjacent sides of the two main beams, a hydraulic assembly is arranged between each of the cross beams, a carriage assembly is installed on the top of the two main beams, and a rotating head is fixedly connected to the bottom of the carriage assembly near the front and back sides; A bottom plate, the bottom plate is fixedly connected to one end of the two beams, a docking joint is installed at the bottom of the bottom plate, multiple sets of wheels are installed at the bottom of the two beams near the other end through multiple sets of suspensions, and multiple support beams are installed at equal intervals at the top position of the opposite sides of the two beams, the other ends of the support beams are provided with installation openings, and reinforcement blocks are installed at the bottom of the support beams near one end of the beams.

2. The dump trailer with a low load surface according to claim 1, characterized in that: A protection rod is installed on one side of the carriage assembly, and two fixing rods are installed on the front side of one of the beams.

3. The dump trailer with a low load surface according to claim 2, characterized in that: A placement box is installed at the bottom of the fixing rod, and a box door is rotatably connected to one side of the placement box.

4. The dump trailer with a low load surface according to claim 1, characterized in that: A plurality of mounting bases are installed on the front and back sides of the carriage assembly near the bottom, and a warning light is installed on the other side of the mounting bases.

5. The dump trailer with a low load surface according to claim 1, characterized in that: The other ends of the two beams are fixedly connected to support rods, and the other ends of the support rods are fixedly connected to guard rods.

6. The dump trailer with a low load surface according to claim 5, characterized in that: A license plate slot is provided on the other side of the guard bar, and rear taillights are installed at positions near both ends of the other side of the guard bar through fixed bases.