Side guardrail of container transportation semitrailer
By innovating the structure of the side guardrails of container transport semi-trailers, and using a servo motor to drive a bidirectional threaded rod and a moving block to adjust the guardrail position, the problem of poor applicability of side guardrails in existing technologies is solved, enabling rapid width adjustment and disassembly, and improving transportation flexibility.
Patent Information
- Application Number
- CN202520442894.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing side railings of container transport semi-trailers cannot be adjusted in width according to the size of the container, resulting in poor applicability and the inability to be quickly disassembled, making it difficult to respond quickly to special loading and unloading situations.
It adopts a combination structure of base plate, transmission rod, adjustment plate, positioning rod, bidirectional threaded rod, servo motor, moving block, guardrail body and limit rod. The bidirectional threaded rod is driven to rotate by servo motor, the moving block drives the guardrail body to adjust its position, and the positioning rod and limit rod can be easily disassembled to realize width adjustment and quick disassembly.
It enables quick adjustment of the side rail width according to the size of the container, improving applicability, and allows for quick disassembly of the guardrail in special circumstances, enhancing the flexibility and adaptability of the side guardrails for container transport semi-trailers.
Smart Images

Figure CN223750977U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of semitrailers, and particularly relates to a container transport semitrailer side guardrail. BACKGROUND
[0002] The semitrailer is a trailer with an axle placed behind the center of gravity of the vehicle and equipped with a hitch capable of transmitting horizontal and vertical forces to the hitch of the towing vehicle. The semitrailer is generally a three-axle semitrailer, which is a heavy transport vehicle connected to the semitrailer head through a hitch pin. The side guardrail can protect and fix the container on the vehicle.
[0003] The utility model discloses a container transport semitrailer side guardrail disclosed in the prior authorization announcement No. CN222062122U, which comprises a bottom plate, an adjusting assembly is arranged on the side of the bottom plate, the adjusting assembly is provided with two, a fixing assembly is arranged at the top of the adjusting assembly, an installation block is arranged at the bottom corner of the bottom plate, the adjusting assembly comprises a rotating shaft, and the rotating shaft is rotatably arranged between the two installation blocks.
[0004] The above technical scheme can facilitate the staff to install and place the container inside the first protective plate, and can prevent the first protective plate from being collided during placement, thereby prolonging the service life of the first protective plate. However, the above technical scheme cannot adjust the width of the side guardrail according to the size of the container, and different sizes of side guardrails are required for transporting different containers. Moreover, the side guardrail cannot be quickly disassembled, and the container transport semitrailer side guardrail cannot quickly respond to special situations during the loading and unloading of the container, thereby reducing the applicability of the container transport semitrailer side guardrail.
[0005] Therefore, the application provides a container transport semitrailer side guardrail to solve the above problems. CONTENT OF THE UTILITY MODEL
[0006] The application aims to solve the poor applicability problem in the prior art and provides a container transport semitrailer side guardrail.
[0007] To achieve the above purpose, the application adopts the following technical scheme:
[0008] The utility model provides a container transport semitrailer side guardrail, including the bottom plate, the inside rotationally connected with transmission rod of bottom plate, the outside fixedly connected with adjusting plate of transmission rod, the inside slidingly connected with two positioning rods of adjusting plate, the bottom of each positioning rod all extends to the inside of bottom plate, the inside rotationally connected with two -way screw rod of bottom plate and adjusting plate, the left end of each two -way screw rod all is fixedly connected with servo motor, the outside of each two -way screw rod all is threadedly connected with two moving blocks, and each group moving block is slidingly connected in the inside of bottom plate and adjusting plate, the inside of bottom plate is provided with two guardrail bodies, the inside of each group moving block is slidingly connected with limiting rod, and the end of each group limiting rod away from each other all penetrates guardrail body and extends to the inside of guardrail body.
[0009] Preferably, the outer surface of the transmission rod is sleeved with an auxiliary bearing, and the auxiliary bearing is embedded in the inside of the adjusting plate.
[0010] Preferably, the top end of each positioning rod is fixedly connected with an auxiliary spring, and the top end of each auxiliary spring is fixedly connected with the inner wall of the adjusting plate.
[0011] Preferably, the outer surface of each positioning rod is fixedly connected with a push handle, and each push handle is slidingly connected in the inside of the adjusting plate.
[0012] Preferably, the outer surface of each two-way screw rod is sleeved with a rotating bearing, and each rotating bearing is embedded in the inside of the bottom plate and the adjusting plate.
[0013] Preferably, the upper surface of each group of moving blocks is fixedly connected with a stabilizing block, and each group of stabilizing blocks is slidingly connected in the inside of the bottom plate and the adjusting plate.
[0014] Preferably, the outer surface of each group of limiting rods is fixedly connected with an auxiliary handle, and each group of auxiliary handles is slidingly connected in the inside of the moving block.
[0015] Preferably, the end of each group of limiting rods close to each other is fixedly connected with a return spring, and the end of each group of return springs close to each other is fixedly connected with the inner wall of the moving block.
[0016] In summary, the technical effects and advantages of the present application are:
[0017] By setting the bottom plate, transmission rod, adjusting plate, positioning rod, two-way threaded rod, servo motor, moving block, guardrail body and limiting rod, the two-way threaded rods can be rotated by the servo motor, the two moving blocks are close to each other, and the guardrail body is moved, so that the containers with different diameters are fixed, the limiting rod is pulled out of the guardrail body, the guardrail body is not interfered by external objects, the guardrail body is pulled out of the moving block, the positioning rod is pulled out of the bottom plate, and the adjusting plate is rotated by the transmission rod, so that the adjusting plate is quickly laid, the problem that the width of the side guardrail cannot be adjusted according to the size of the container, different size side guardrail semitrailer is used when transporting different containers, and the side guardrail can be disassembled, special conditions can be quickly responded to during container loading and unloading, and the applicability of the container transport semitrailer side guardrail is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the bottom plate of the utility model;
[0019] Figure 2 It is a three-dimensional structure schematic view of the adjusting plate of the utility model;
[0020] Figure 3 It is a three-dimensional structure schematic view of the guardrail body of the utility model;
[0021] Figure 4 It is a three-dimensional structure schematic view of the moving block of the utility model.
[0022] In the drawing: 1, bottom plate; 2, transmission rod; 3, adjusting plate; 4, positioning rod; 5, two-way threaded rod; 6, servo motor; 7, moving block; 8, guardrail body; 9, limiting rod; 11, auxiliary bearing; 12, auxiliary spring; 13, push handle; 14, rotating bearing; 15, stabilizing block; 16, auxiliary handle; 17, return spring. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0024] REFERENCE Figures 1-4The utility model provides a container transport semitrailer side guardrail, including the bottom plate 1, the inside rotation of bottom plate 1 is connected with transmission rod 2, the outside surface of transmission rod 2 is fixedly connected with adjusting plate 3, the outside surface of transmission rod 2 is equipped with auxiliary bearing 11, and auxiliary bearing 11 is inlaid in the inside of adjusting plate 3, and auxiliary bearing 11 can reduce the friction that transmission rod 2 generates when rotating, makes transmission rod 2 more sensitive when rotating, can also reduce the wear rate of transmission rod 2 simultaneously, increases the durability of transmission rod 2.
[0025] The inside of adjusting plate 3 is slidably connected with two positioning rods 4, the bottom end of each positioning rod 4 extends to the inside of bottom plate 1, the top end of each positioning rod 4 is fixedly connected with auxiliary spring 12, the top end of each auxiliary spring 12 is fixedly connected with the inner wall of adjusting plate 3, auxiliary spring 12 can continuously exert pressure on positioning rod 4 by using the telescopic capacity of itself, so that positioning rod 4 has the ability of automatic reset, increases the convenience when limiting, and also can improve the firmness when positioning rod 4 limits.
[0026] The outside surface of each positioning rod 4 is fixedly connected with push handle 13, and each push handle 13 is slidably connected in the inside of adjusting plate 3, by the cooperation of push handle 13, a good stress point can be provided for positioning rod 4, the convenience when pulling positioning rod 4 is increased, and the convenience of the device when in use is improved.
[0027] The inside of bottom plate 1 and adjusting plate 3 is rotatably connected with two-way screw rod 5, the left end of each two-way screw rod 5 is fixedly connected with servo motor 6, the outside surface of each two-way screw rod 5 is equipped with rotating bearing 14, and each rotating bearing 14 is inlaid in the inside of bottom plate 1 and adjusting plate 3, rotating bearing 14 can reduce the friction that two-way screw rod 5 generates when rotating, makes two-way screw rod 5 more sensitive when rotating, can also reduce the wear rate of two-way screw rod 5 simultaneously, increases the durability of two-way screw rod 5.
[0028] The outside surface of each two-way screw rod 5 is threadedly connected with two moving blocks 7, and each set of moving blocks 7 is slidably connected in the inside of bottom plate 1 and adjusting plate 3, the upper surface of each set of moving blocks 7 is fixedly connected with stabilizing block 15, and each set of stabilizing block 15 is slidably connected in the inside of bottom plate 1 and adjusting plate 3, stabilizing block 15 can move simultaneously with moving block 7, and the friction that is generated to bottom plate 1 and adjusting plate 3 in the moving process is utilized to improve the stability of moving block 7 when moving, prevents the situation of jamming.
[0029] The interior of the bottom plate 1 is provided with two guardrail bodies 8, the interior of each group of moving blocks 7 is slidably connected with a limiting rod 9, the outer surface of each group of limiting rods 9 is fixedly connected with an auxiliary handle 16, and each group of auxiliary handles 16 is slidably connected to the interior of the moving block 7, the cooperation of the auxiliary handle 16 can provide a good stress point for the limiting rod 9, increase the convenience when the limiting rod 9 needs to be rotated, and improve the convenience of the device when in use.
[0030] The end of each group of limiting rods 9 away from each other penetrates the guardrail body 8 and extends to the interior of the guardrail body 8, the end of each group of limiting rods 9 close to each other is fixedly connected with a return spring 17, and the end of each group of return springs 17 close to each other is fixedly connected to the inner wall of the moving block 7, the return spring 17 can continuously apply pressure to the limiting rod 9 by using the extension and contraction ability of itself, so that the limiting rod 9 has the ability of automatic reset, increases the convenience when limiting, and also improves the firmness when the limiting rod 9 limits.
[0031] The working principle of the utility model is: in use, first, the servo motor 6 is connected to the power supply, when it is needed to fix different diameter containers, the servo motor 6 is started, then the bidirectional threaded rod 5 is rotated, the rotating bearing 14 can increase the sensitivity when the bidirectional threaded rod 5 rotates, then the two groups of moving blocks 7 are close to each other, the stabilizing block 15 can increase the stability when the moving block 7 moves, and drive the guardrail body 8 to move at the same time, so that the different diameter containers are quickly fixed by changing the position of the two guardrail bodies 8, the use effect of the container transport semi-trailer side guardrail is effectively improved, when it is needed to disassemble the guardrail body 8, the limiting rod 9 is moved by the auxiliary handle 16, and the limiting rod 9 is moved out from the guardrail body 8, at the same time, the return spring 17 starts to contract, and the guardrail body 8 is not disturbed by external objects, at this time, the guardrail body 8 can be disassembled from the surface of the moving block 7, and the return spring 17 can also provide a thrust for the limiting rod 9, increase the convenience when the limiting rod 9 limits the guardrail body 8, when it is needed to adjust the position of the adjusting plate 3, the positioning rod 4 is moved by the push handle 13, and the positioning rod 4 is moved out from the adjusting plate 3, so that the limitation of the adjusting plate 3 is removed, then the adjusting plate 3 is moved and laid flat by the transmission rod 2, the auxiliary bearing 11 can increase the sensitivity when the transmission rod 2 rotates, and the auxiliary spring 12 can rely on the self-rebound force to push the positioning rod 4 to reset, so as to increase the convenience when the position of the adjusting plate 3 is fixed, and the applicability of the container transport semi-trailer side guardrail is effectively improved.
[0032] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0033] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
[0034] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and it should be covered in the protection scope of the utility model.
Claims
1. A side rail for a container transport semi-trailer comprising a floor (1), characterized in that: The inside of the bottom plate (1) is rotatably connected with a transmission rod (2), the outer surface of the transmission rod (2) is fixedly connected with an adjusting plate (3), the inside of the adjusting plate (3) is slidably connected with two positioning rods (4), the bottom end of each positioning rod (4) extends to the inside of the bottom plate (1), the inside of the bottom plate (1) and the adjusting plate (3) is rotatably connected with a bidirectional screw rod (5), the left end of each bidirectional screw rod (5) is fixedly connected with a servo motor (6), the outer surface of each bidirectional screw rod (5) is threadedly connected with two moving blocks (7), each group of moving blocks (7) is slidably connected in the inside of the bottom plate (1) and the adjusting plate (3), the inside of the bottom plate (1) is provided with two guardrail bodies (8), the inside of each group of moving blocks (7) is slidably connected with a limiting rod (9), the ends of each group of limiting rods (9) away from each other penetrate the guardrail body (8) and extend to the inside of the guardrail body (8).
2. A side rail for a container transport semi-trailer according to claim 1, characterized in that: The outer surface of the transmission rod (2) is sleeved with an auxiliary bearing (11), and the auxiliary bearing (11) is embedded in the inside of the adjusting plate (3).
3. A side rail for a container transport semi-trailer according to claim 1, characterized in that: The top end of each positioning rod (4) is fixedly connected with an auxiliary spring (12), and the top end of each auxiliary spring (12) is fixedly connected with the inner wall of the adjusting plate (3).
4. A side rail for a container transport semi-trailer according to claim 1, characterized in that: The outer surface of each positioning rod (4) is fixedly connected with a push handle (13), and each push handle (13) is slidably connected in the inside of the adjusting plate (3).
5. A side rail for a container transport semi-trailer according to claim 1, characterized in that: The outer surface of each bidirectional screw rod (5) is sleeved with a rotating bearing (14), and each rotating bearing (14) is embedded in the inside of the bottom plate (1) and the adjusting plate (3).
6. A side rail for a container transport semi-trailer according to claim 1, characterized in that: The upper surface of each group of moving blocks (7) is fixedly connected with a stabilizing block (15), and each group of stabilizing blocks (15) is slidably connected in the inside of the bottom plate (1) and the adjusting plate (3).
7. A side rail for a container transport semi-trailer according to claim 1, characterized in that: The outer surface of each group of limiting rods (9) is fixedly connected with an auxiliary handle (16), and each group of auxiliary handles (16) is slidably connected in the inside of the moving block (7).
8. A side rail for a container transport semi-trailer according to claim 1, characterized in that: The ends of each group of limiting rods (9) close to each other are fixedly connected with a return spring (17), and the ends of each group of return springs (17) close to each other are fixedly connected with the inner wall of the moving block (7).
Citation Information
Patent Citations
Side guardrail of container transportation semitrailer
CN222062122U