Turnover mechanism of semitrailer carriage

By designing the flip mechanism of the semi-trailer car, and flipping the side doors using servo motors and bidirectional screw mechanisms, the problem of cumbersome unloading of semi-trailer carriages in the prior art is solved, and the convenience of unloading goods on both sides is achieved.

CN222807975UActive Publication Date: 2025-04-29梁山陆畅通专用车制造有限公司
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Patent Information

Application Number
CN202421302251.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-04-29
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing semi-trailer carriages require manual loading and removal of the vehicle and handling multiple times when unloading materials, and it is difficult to unload the goods directly through the flip side door.

Method used

A flip mechanism of a semi-trailer car is designed, and the bidirectional screw is driven by a servo motor, and the side door is flipped using a metal ball and protective pad mechanism to realize direct unloading of goods on both sides of the car.

Benefits of technology

It realizes that unloading goods directly from both sides of the semi-trailer car without getting on and off the vehicle multiple times, improving unloading efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of semitrailer carriages, in particular to a turnover mechanism of a semitrailer carriage, which comprises a semitrailer carriage body, movable side carriage doors are arranged on two sides of the semitrailer carriage body, and the interior of the semitrailer carriage body is connected with symmetrical bidirectional screws through a driving mechanism. And a turnover mechanism for opening the side compartment door is arranged on the two-way screw rod. When the device is used, the servo motor controls the two worms to rotate through the driving rod, the two worms control the two bidirectional screws to rotate through the two worm wheels respectively, and the two bidirectional screws control the two metal balls to be far away from each other through the two moving pipes respectively. The metal balls abut against the protection pads and turn over and open the two side compartment doors, so that cargoes can be conveniently and directly carried down from the two sides of the compartment of the semitrailer, the cargoes do not need to be carried on and off the semitrailer repeatedly, and the semitrailer is convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of semitrailer carriages, in particular to a turning mechanism of a semitrailer carriage. Background Art

[0002] A semitrailer is a trailer with an axle placed behind the vehicle's center of gravity (when the vehicle is evenly loaded) and equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. A semitrailer is generally a three-axle semitrailer, which is divided into many types, such as 11-meter warehouse semitrailer, 13-meter warehouse semitrailer, low-bed semitrailer, etc. It is a heavy-duty transport vehicle connected to the semitrailer head through a traction pin.

[0003] When unloading, the existing semi-trailer compartment is mostly turned over directly by a turning mechanism, so that the compartment is tilted and the goods are directly unloaded. However, for some fragile goods, manual handling and unloading are required, and the semi-trailer compartment is usually long, requiring manual loading and unloading for many times. The side compartment doors on both sides of the semi-trailer compartment cannot be directly turned over and opened, and it is inconvenient to directly unload the goods from both sides of the semi-trailer compartment, which is rather troublesome. Therefore, a turning mechanism for the semi-trailer compartment is now proposed. Utility Model Content

[0004] The utility model aims to solve the disadvantages of the prior art that the trailer compartment is usually long, requiring manual loading and unloading for multiple times, and the side compartment doors on both sides of the semi-trailer compartment cannot be directly flipped open, making it inconvenient to directly unload the goods from both sides of the semi-trailer compartment, which is relatively troublesome. A flipping mechanism for the semi-trailer compartment is proposed to solve the disadvantages of the prior art that the trailer compartment is usually long, requiring manual loading and unloading for multiple times, and the side compartment doors on both sides of the semi-trailer compartment cannot be directly flipped open, making it inconvenient to directly unload the goods from both sides of the semi-trailer compartment, which is relatively troublesome.

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

[0006] A tipping mechanism for a semitrailer compartment comprises a semitrailer compartment body, movable side compartment doors are arranged on both sides of the semitrailer compartment body, the interior of the semitrailer compartment body is connected to symmetrically arranged bidirectional screws through a driving mechanism, and a tipping mechanism for opening the side compartment doors is arranged on the bidirectional screws.

[0007] Preferably, both sides of the semi-trailer compartment body are provided with a rotating opening, the inner wall of the rotating opening is rotatably connected with a rotating rod, and the rotating rod passes through the side compartment door and is fixedly connected to the side compartment door.

[0008] Preferably, the driving mechanism includes a servo motor, a driving rod, a symmetrically arranged worm and a worm wheel, a mounting groove is opened on one side of the semi-trailer body, the outer wall of the servo motor is fixedly connected to the inner wall of the mounting groove, the output end of the servo motor is connected to the driving rod, and the end of the driving rod away from the servo motor is rotatably connected to the inner wall of the semi-trailer body.

[0009] Preferably, the driving rod is fixedly connected to the worm, the bidirectional screw is fixedly connected to the worm wheel, the worm is meshingly connected to the worm wheel, the outer walls of the bidirectional screw located on both sides of the worm wheel are rotatably connected to support plates, and the top of the support plate is fixedly connected to the inner top of the semi-trailer car body.

[0010] Preferably, the flipping mechanism comprises a moving groove symmetrically opened on the inner wall of the semi-trailer body, the bidirectional screw is symmetrically threaded with a moving tube, and the outer wall of the moving tube is symmetrically fixedly connected with a limit rod that slides with the moving groove.

[0011] Preferably, a metal ball is fixedly connected to one end of the movable tube close to the side compartment door, a protective pad that slides with the metal ball is symmetrically fixedly connected to the inner wall of the side compartment door, one side of the protective pad is arranged in an arc shape, and a movable tail compartment door is symmetrically arranged on one side of the semi-trailer compartment body.

[0012] Preferably, threaded holes are symmetrically provided on one side of the semi-trailer compartment body, a fixing groove is provided on a side of the side compartment door close to the threaded hole, and a fixing bolt threadably connected to the threaded hole is inserted into the fixing groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When the equipment is in use, the flipping mechanism and the driving mechanism are utilized. The servo motor will control the rotation of the two worms through the driving rod. The two worms will respectively control the rotation of the two bidirectional screws through the two worm wheels. The two bidirectional screws will respectively control the two metal balls to move away from each other through the two moving tubes. The metal balls will resist the protective pads and flip and prop the two side compartment doors open, thereby making it convenient to directly unload the goods from both sides of the semi-trailer compartment. There is no need to get on and off the vehicle multiple times for transportation, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the external three-dimensional structure of a turning mechanism of a semi-trailer compartment proposed by the utility model;

[0016] Figure 2 This is a cross-sectional three-dimensional structural diagram of a turning mechanism of a semi-trailer compartment proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the internal three-dimensional structure of a turning mechanism of a semi-trailer compartment proposed by the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the connection between the servo motor, the driving rod, the worm, the worm gear, and the moving tube;

[0019] Figure 5It is a schematic diagram of the three-dimensional structure of the connection between the worm, worm wheel, moving tube and bidirectional screw.

[0020] In the figure: 1 semi-trailer compartment body, 2 side compartment door, 3 bidirectional screw, 4 rotating mouth, 5 servo motor, 6 driving rod, 7 worm, 8 worm wheel, 9 support plate, 10 moving groove, 11 moving tube, 12 limit rod, 13 metal ball, 14 protection pad, 15 tail compartment door, 16 fixing bolt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-Figure 5 A flipping mechanism for a semitrailer compartment comprises a semitrailer compartment body 1, movable side compartment doors 2 are arranged on both sides of the semitrailer compartment body 1, the interior of the semitrailer compartment body 1 is connected with symmetrically arranged bidirectional screws 3 through a driving mechanism, and a flipping mechanism for opening the side compartment doors 2 is arranged on the bidirectional screws 3.

[0023] It should be noted that the specific model and specification of the servo motor 5 needs to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it is not described, and all can be powered by external equipment and controlled to be turned on and off;

[0024] Furthermore, a rotating opening 4 is provided on both sides of the semi-trailer compartment body 1, and a rotating rod is rotatably connected to the inner wall of the rotating opening 4, and the rotating rod passes through the side compartment door 2 and is fixedly connected to the side compartment door 2;

[0025] It should be noted that after the side door 2 is opened, the goods can be directly transported from the rotating opening 4, and the side door 2 can be normally rotated by the rotating rod.

[0026] Furthermore, the driving mechanism includes a servo motor 5, a driving rod 6, a symmetrically arranged worm 7 and a worm wheel 8, a mounting groove is provided on one side of the semitrailer body 1, the outer wall of the servo motor 5 is fixedly connected to the inner wall of the mounting groove, the output end of the servo motor 5 is connected to the driving rod 6, and the end of the driving rod 6 away from the servo motor 5 is rotatably connected to the inner wall of the semitrailer body 1;

[0027] It should be noted that the servo motor 5 controls the rotation of the two worm gears 7 via the driving rod 6 , and the two worm gears 7 respectively control the rotation of the two worm wheels 8 .

[0028] Furthermore, the driving rod 6 is fixedly connected to the worm 7, the bidirectional screw 3 is fixedly connected to the worm wheel 8, the worm 7 is meshingly connected to the worm wheel 8, and the outer walls of the bidirectional screw 3 on both sides of the worm wheel 8 are rotatably connected to support plates 9, and the top of the support plate 9 is fixedly connected to the inner top of the semi-trailer body 1;

[0029] It should be noted that the two worms 7 will control the rotation of the two bidirectional screws 3 through the two worm wheels 8, and the two bidirectional screws 3 will control the two metal balls 13 to move away from each other through the two moving tubes 11. The metal balls 13 will resist the protection pads 14 and flip and open the two side compartment doors 2.

[0030] Furthermore, the flipping mechanism includes a moving groove 10 symmetrically opened on the inner wall of the semi-trailer body 1, a moving tube 11 is symmetrically threadedly connected to the bidirectional screw 3, and a limit rod 12 that slides with the moving groove 10 is symmetrically fixedly connected to the outer wall of the moving tube 11;

[0031] It should be noted that the inner wall of the moving tube 11 is provided with an internal thread, and the moving tube 11 is limited by the limiting rod 12 and the moving groove 10. When the bidirectional screw 3 rotates, the two moving tubes 11 can be controlled to move linearly in the horizontal direction respectively.

[0032] Furthermore, a metal ball 13 is fixedly connected to one end of the moving tube 11 close to the side door 2, and a protection pad 14 that slides with the metal ball 13 is symmetrically fixedly connected to the inner wall of the side door 2, and one side of the protection pad 14 is arranged in an arc shape, and a tail door 15 that can be opened symmetrically is arranged on one side of the semi-trailer body 1;

[0033] It should be noted that the protection pad 14 is made of rubber material, has elasticity, and can protect the inner wall of the side door 2.

[0034] Furthermore, a threaded hole is symmetrically provided on one side of the semi-trailer compartment body 1, and a fixing groove is provided on one side of the side compartment door 2 near the threaded hole, and a fixing bolt 16 threadably connected to the threaded hole is inserted into the fixing groove;

[0035] It should be noted that the fixing bolts 16 are screwed into the threaded holes and inserted into the fixing grooves, and there are four fixing bolts 16, which can limit and fix the positions of the two side compartment doors 2 that have not been flipped open.

[0036] Working principle of this utility model:

[0037] The servo motor 5 will control the rotation of the two worm gears 7 through the driving rod 6, and the two worm gears 7 will respectively control the rotation of the two bidirectional screws 3 through the two worm wheels 8. The two bidirectional screws 3 will respectively control the two metal balls 13 to move away from each other through the two moving tubes 11. The metal balls 13 will abut against the protection pads 14 and flip and open the two side compartment doors 2, thereby making it convenient to directly unload the goods from both sides of the semi-trailer compartment, without the need to get on and off the vehicle multiple times for transportation, which is more convenient.

[0038] 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 tipping mechanism for a semitrailer compartment, comprising a semitrailer compartment body (1), characterized in that: Movable side compartment doors (2) are arranged on both sides of the semi-trailer compartment body (1); the interior of the semi-trailer compartment body (1) is connected to symmetrically arranged bidirectional screw rods (3) via a driving mechanism; and a flip mechanism for opening the side compartment doors (2) is arranged on the bidirectional screw rods (3).

2. A tipping mechanism for a semitrailer compartment according to claim 1, characterized in that: A rotating opening (4) is provided on both sides of the semi-trailer compartment body (1), and a rotating rod is rotatably connected to the inner wall of the rotating opening (4), and the rotating rod passes through the side compartment door (2) and is fixedly connected to the side compartment door (2).

3. The tipping mechanism of a semitrailer compartment according to claim 1, characterized in that: The driving mechanism comprises a servo motor (5), a driving rod (6), a symmetrically arranged worm (7) and a worm wheel (8); a mounting groove is provided on one side of the semitrailer body (1); the outer wall of the servo motor (5) is fixedly connected to the inner wall of the mounting groove; the output end of the servo motor (5) is connected to the driving rod (6); and one end of the driving rod (6) away from the servo motor (5) is rotatably connected to the inner wall of the semitrailer body (1).

4. A tipping mechanism for a semitrailer compartment according to claim 3, characterized in that: The driving rod (6) is fixedly connected to the worm (7), the bidirectional screw (3) is fixedly connected to the worm wheel (8), the worm (7) is meshingly connected to the worm wheel (8), the outer walls of the bidirectional screw (3) located on both sides of the worm wheel (8) are rotatably connected to support plates (9), and the top of the support plate (9) is fixedly connected to the inner top of the semi-trailer body (1).

5. The tipping mechanism of a semitrailer compartment according to claim 1, characterized in that: The tilting mechanism comprises a moving groove (10) symmetrically arranged on the inner wall of the semitrailer body (1); a moving tube (11) is symmetrically threadedly connected to the bidirectional screw (3); and a limiting rod (12) is symmetrically fixedly connected to the outer wall of the moving tube (11) and is slidable with the moving groove (10).

6. A tipping mechanism for a semitrailer compartment according to claim 5, characterized in that: A metal ball (13) is fixedly connected to one end of the movable tube (11) close to the side door (2), a protective pad (14) that slides with the metal ball (13) is symmetrically fixedly connected to the inner wall of the side door (2), one side of the protective pad (14) is arranged in an arc shape, and a rear door (15) that can be movably opened is symmetrically arranged on one side of the semi-trailer compartment body (1).

7. The tipping mechanism of a semitrailer compartment according to claim 1, characterized in that: One side of the semi-trailer compartment body (1) is symmetrically provided with threaded holes, and the side of the side compartment door (2) close to the threaded hole is provided with a fixing groove, and a fixing bolt (16) threadably connected to the threaded hole is inserted into the fixing groove.