Anti-rollover self-dumping semitrailer

By installing inclined hydraulic devices and limit hydraulic devices on the main body of the dump semi-trailer, the left side of the car is controlled to lift up to prevent the material from moving in a concentrated manner, solving the problem of balance damage when unloading the existing dump semi-trailer overturning and unloading, achieving higher unloading stability and lower risk of rollover.

CN222780322UActive Publication Date: 2025-04-22YUNCHENG SHANDONG EAST ASAHI SPECIAL VEHICLE MFG CO LTD
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Patent Information

Application Number
CN202421682838.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-04-22
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

When existing self-dumping semi-trailers roll over and unload materials, the concentration of materials inside the carriage leads to balance damage, increasing the risk of rollover.

Method used

An anti-rolling and dumping semi-trailer is designed. By installing an inclined hydraulic device and a limit hydraulic device on the main body, the left side of the car is controlled to lift up, prevent materials from moving in a concentrated manner, enhance the internal balance of the car, and ensure the stable connection between the main body and the car during transportation through the sliding connection between the positioning hook and the limit groove.

Benefits of technology

It effectively prevents the centralized movement of materials inside the car, reduces the degree of balance being damaged, improves the stability during unloading, and reduces the possibility of semi-trailer overturning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-rollover self-dumping semitrailer, and relates to the technical field of self-dumping semitrailers. Movable grooves are formed in the top of the main body in an arrayed mode, through holes are formed in the left side and the right side of each movable groove, and fixing shafts are slidably connected into the through holes of the movable grooves. A limiting hydraulic device is controlled to extend upwards, so that a limiting frame at the top of the limiting hydraulic device extends out of a limiting hole of the carriage and is attached to the right side of a limiting plate, and therefore, when the left side of the carriage is jacked up by an inclined hydraulic device of the device, materials in the carriage cannot all move towards the right side in the carriage intensively; according to the self-dumping semitrailer, the damage degree of the balance in the compartment is reduced, the stability of the semitrailer during unloading is improved, and the problem that when the compartment of a part of existing self-dumping semitrailers is subjected to side-tipping unloading, materials in the compartment can be rapidly concentrated towards one side of the compartment, and consequently the self-dumping semitrailer is subjected to side-tipping unloading is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of dump semi-trailers, and in particular to an anti-rollover dump semi-trailer. Background Art

[0002] A semi-trailer is a heavy-duty transport vehicle connected to the front of the semi-trailer by equipment. There are many types of semi-trailers at present, including dump semi-trailers. The loading compartment of the dump semi-trailer can be tilted at a certain angle by hydraulic equipment to unload, which greatly saves unloading time and labor, shortens the transportation cycle, and improves production efficiency. However, when the compartment of some existing dump semi-trailers is overturned to unload, the materials inside the compartment will quickly concentrate on one side of the compartment, causing the balance in the compartment to be broken, and in severe cases, it will cause the dump semi-trailer to overturn. Utility Model Content

[0003] The disclosed embodiment relates to an anti-rollover dump semi-trailer, which improves the connection stability between the main body and the carriage during transportation, and can prevent materials from moving to the right side of the carriage during rollover unloading, thereby affecting the balance inside the carriage and reducing the risk of rollover.

[0004] The first aspect of the present disclosure provides an anti-rollover dump trailer, specifically comprising: a main body; the top of the main body is provided with movable grooves in an arranged manner, and through holes are respectively provided on the left and right sides of the movable groove, and a fixed shaft is slidably connected inside the through holes of the movable groove; threads are respectively provided on both sides of the fixed shaft, and the center of the fixed shaft is square; a fixed block is installed on the fixed shaft, and a square hole is provided on the fixed block, and the fixed shaft is slidably connected inside the square hole of the fixed block; a fixed base is also installed on the fixed shaft, and a square hole is provided at the bottom of the fixed base; the square hole of the fixed base is slidably connected with the fixed shaft, and the two sides of the fixed base are respectively connected to the fixed blocks, and a tilting hydraulic device is installed on the top of the fixed base; a car body is rotatably connected to the top right side of the main body, and side baffles are respectively rotatably connected to the left and right sides and the rear side of the car body; a connecting hole is provided at the bottom of the car body, and the two sides of the car body connecting hole are respectively A threaded hole is provided, and a connecting block is slidably connected inside the connecting hole of the carriage; the connecting block is divided into left and right parts, and a rotating hole is provided at the bottom of the connecting block; a connecting hole is also provided at the top of the connecting block, and a threaded hole is also provided on the outside of the connecting block, and an assembly bolt is slidably connected inside the connecting hole of the connecting block; a positioning hole is provided at the center of the rear side of the front end of the carriage, and a mounting hole is provided at the center of the rear side of the carriage; a central axis is slidably connected inside the mounting hole, and the other end of the central axis is also slidably connected inside the positioning hole of the carriage, and a limiting plate is rotatably connected on the central axis; a positioning block is fixedly connected to the left bottom of the carriage in an arranged shape, and the bottom of the positioning block is connected to the top of the main body; a through hole is provided at the left top of the main body in an arranged shape, and a positioning rod is slidably connected inside the through hole on the left side of the top of the main body; the positioning rod is slidably connected to the inside of the hollow cavity of the positioning block, and a positioning hook is fixedly connected to the top of the positioning rod;

[0005] A threaded hole is formed at the top of the mounting hole, and a positioning bolt is threadedly connected inside the threaded hole of the mounting hole, and a surface of the positioning bolt of the mounting hole is connected to the tail of the central shaft;

[0006] The top right side of the main body is rotatably connected to a limiting hydraulic device, and the top of the limiting hydraulic device is rotatably connected to a limiting frame;

[0007] The bottom of the carriage is provided with limiting holes arranged in an array, and the limiting holes of the carriage are slidably connected to the limiting frame, and the left side of the limiting frame is in contact with the right side of the limiting plate.

[0008] In at least some embodiments, a hollow cavity is formed inside the positioning block, a sliding groove is formed at the top of the hollow cavity of the positioning block, and a limiting groove is formed at the bottom of the hollow cavity of the positioning block.

[0009] In at least some embodiments, the positioning hook is slidably connected to the inside of the sliding slot, and after the positioning hook passes through the sliding slot, it rotates 180 degrees and is slidably connected to the inside of the limiting slot.

[0010] In at least some embodiments, a positioning spring is installed on the positioning rod, and the other end of the positioning spring is installed on the main body.

[0011] In at least some embodiments, a rotating rod is symmetrically fixedly connected to the top of the tilting hydraulic device, and the rotating rod of the tilting hydraulic device is slidably connected to the inside of the rotating hole of the connecting block.

[0012] In at least some embodiments, the inner thread of the threaded hole on the outer side of the connecting block is connected with a fixing bolt, and the fixing bolt of the connecting block is also threadedly connected to the inner threaded holes on both sides of the connecting hole at the bottom of the carriage.

[0013] The utility model provides an anti-rollover dump semi-trailer, which has the following beneficial effects:

[0014] In the present invention, the central shaft is installed inside the carriage through the mounting hole, and then the positioning bolts inside the threaded holes of the mounting holes are connected with the tail of the central shaft, and the central shaft is installed in the carriage. Then the limiting hydraulic device is controlled to extend upward, so that the limiting frame on the top of the limiting hydraulic device extends from the limiting hole inside the carriage and fits the right side of the limiting plate. In this way, when the tilting hydraulic device of the device lifts up the left side of the carriage, the materials inside the carriage will not all move to the right side inside the carriage, thereby reducing the degree of damage to the balance inside the carriage, improving the stability of the semi-trailer when unloading, and reducing the possibility of rollover of the semi-trailer.

[0015] In addition, a tilting hydraulic device is installed on the main body through a fixed axis, and then the tilting hydraulic device is used to push the left side of the car body upward to cause the car body to tip over and unload. During transportation, the top of the main body can be connected to the bottom of the car body through the sliding connection between the positioning hook and the limit groove, thereby increasing the stability of the device during transportation. When tipping over and unloading is required, the positioning rod can be rotated to make the positioning hook slide out of the sliding groove to release the connection between the main body and the car body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the present utility model, the drawings of the embodiment will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 The overall axial schematic diagram of the present application is shown;

[0020] Figure 2This application shows Figure 1 Middle B area enlarged axial view schematic diagram;

[0021] Figure 3 This application shows Figure 1 Schematic diagram of the rear perspective axis view;

[0022] Figure 4 The schematic diagram of the axial view of the carriage of the present application in a flat state is shown;

[0023] Figure 5 This application shows Figure 4 A schematic diagram of the enlarged axial view of the middle A area;

[0024] Figure 6 The schematic diagram of the axial view of the tilt hydraulic device of the present application is shown;

[0025] Figure 7 A schematic diagram of the carriage axle view of the present application is shown;

[0026] Figure 8 This application shows Figure 7 Schematic diagram of the enlarged axial view of the C area in the middle.

[0027] Reference numerals list

[0028] 1. Main body; 101. Movable slot; 1011. Fixed shaft; 1012. Fixed block; 1013. Fixed base;

[0029] 2. Carriage; 201. Side baffle; 202. Center axis; 203. Limit plate; 204. Mounting hole; 205. Positioning block; 2051. Sliding slot; 2052. Limit slot;

[0030] 3. Tilt hydraulic device;

[0031] 4. Connecting blocks;

[0032] 5. Positioning rod; 501. Positioning hook; 502. Positioning tension spring;

[0033] 6. Limit hydraulic device; 601. Limit frame. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the practical embodiment clearer, the technical solution of the practical embodiment will be clearly and completely described below in conjunction with the drawings of the practical embodiment. Obviously, the described embodiment is a part of the practical embodiment, not all of the embodiments. Based on the described practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0035] Example 1: Please refer to Figures 1 to 8 :

[0036] The utility model provides an anti-rollover dump semi-trailer, comprising: a main body 1; movable grooves 101 are arranged on the top of the main body 1, and through holes are respectively opened on the left and right sides of the movable grooves 101, and a fixed shaft 1011 is slidably connected inside the through holes of the movable grooves 101; threads are respectively arranged on both sides of the fixed shaft 1011, and the center of the fixed shaft 1011 is square; a fixed block 1012 is installed on the fixed shaft 1011, and a square hole is opened on the fixed block 1012, and the fixed shaft 1011 is slidably connected inside the square hole of the fixed block 1012; a fixed base 1013 is also installed on the fixed shaft 1011, and the bottom of the fixed base 1013 is opened. There is a square hole; a fixed shaft 1011 is slidably connected inside the square hole of the fixed base 1013, and the two sides of the fixed base 1013 are respectively connected to the fixed block 1012, and a tilting hydraulic device 3 is installed on the top of the fixed base 1013; the right top of the main body 1 is rotatably connected to the carriage 2, and the left and right sides and the rear side of the carriage 2 are respectively rotatably connected to the side baffle 201; a connecting hole is opened at the bottom of the carriage 2, and threaded holes are opened on both sides of the connecting hole of the carriage 2, and a connecting block 4 is slidably connected inside the connecting hole of the carriage 2; the connecting block 4 is divided into left and right parts, and a rotating hole is opened at the bottom of the connecting block 4; a connecting hole is also opened at the top of the connecting block 4, and the connecting A threaded hole is also provided on the outside of the block 4, and an assembly bolt is slidably connected inside the connection hole of the connection block 4; a positioning hole is provided at the center of the rear side of the front end of the carriage 2, and a mounting hole 204 is provided at the center of the rear side of the carriage 2; a central axis 202 is slidably connected inside the mounting hole 204, and the other end of the central axis 202 is also slidably connected inside the positioning hole of the carriage 2, and a limiting plate 203 is also rotatably connected to the central axis 202; a positioning block 205 is fixedly connected to the bottom left side of the carriage 2 in an arranged manner, and the bottom of the positioning block 205 is connected to the top of the main body 1; a through hole is provided at the top left side of the main body 1 in an arranged manner, and the through hole on the top left side of the main body 1 is slidably connected inside There is a positioning rod 5; the positioning rod 5 is slidably connected to the inside of the hollow cavity of the positioning block 205, and the top of the positioning rod 5 is fixedly connected with a positioning hook 501; a threaded hole is provided at the top of the mounting hole 204, and a positioning bolt is threadedly connected inside the threaded hole of the mounting hole 204, and the surface of the positioning bolt of the mounting hole 204 is connected to the tail of the central axis 202; the top right side of the main body 1 is rotatably connected to the limiting hydraulic device 6, and the top of the limiting hydraulic device 6 is rotatably connected to the limiting frame 601; the bottom of the carriage 2 is provided with limiting holes in an arranged manner, and the limiting holes of the carriage 2 are slidably connected to the limiting frame 601, and the left side of the limiting frame 601 fits the right side of the limiting plate 203.

[0037] In the disclosed embodiment, the center shaft 202 is installed inside the carriage 2 through the mounting hole 204, and then the positioning bolt inside the threaded hole of the mounting hole 204 is used to connect with the tail of the center shaft 202, and the center shaft 202 is installed in the carriage 2, and then the limiting hydraulic device 6 is controlled to extend upward, so that the limiting frame 601 on the top of the limiting hydraulic device 6 extends from the limiting hole of the carriage 2 of the carriage 2 and fits the right side of the limiting plate 203. In this way, when the tilting hydraulic device 3 of the device lifts the left side of the carriage 2, the materials inside the carriage 2 will not all move to the right side of the carriage 2, thereby reducing the degree of damage to the balance inside the carriage, improving the stability of the semi-trailer during unloading, and reducing the possibility of rollover of the semi-trailer.

[0038] Embodiment 2, on the basis of embodiment 1, a hollow cavity is provided inside the positioning block 205, and a sliding groove 2051 is provided on the top of the hollow cavity of the positioning block 205, and a limiting groove 2052 is provided on the bottom of the hollow cavity of the positioning block 205; the positioning hook 501 is slidably connected to the inside of the sliding groove 2051, and the positioning hook 501 passes through the sliding groove 2051 and then rotates 180 degrees to be slidably connected to the inside of the limiting groove 2052; a positioning tension spring 502 is installed on the positioning rod 5, and the other end of the positioning tension spring 502 is installed on the main body 1; the top of the tilting hydraulic device 3 is symmetrically fixedly connected with a rotating rod, and the rotating rod of the tilting hydraulic device 3 is slidably connected to the rotating rod of the connecting block 4 The inside of the hole; the internal thread of the threaded hole on the outer side of the connecting block 4 is connected with a fixing bolt, and the fixing bolt of the connecting block 4 is also threadedly connected to the inside of the threaded holes on both sides of the connecting hole at the bottom of the car 2; the tilting hydraulic device 3 is installed on the main body 1 through the fixed shaft 1011, and then the left side of the car 2 is pushed upward by the tilting hydraulic device 3 to make the car 2 tip over to unload. During transportation, the top of the main body 1 can be connected to the bottom of the car 2 through the sliding connection between the positioning hook 501 and the limiting groove 2052, thereby increasing the stability of the device during transportation. When tipping over to unload is required, the positioning rod 5 can be rotated to make the positioning hook 501 slide out of the sliding groove 2051 to release the connection between the main body 1 and the car 2.

[0039] The working principle of this embodiment is as follows: first, during transportation, the top of the main body 1 is connected to the bottom of the carriage 2 through the sliding connection between the positioning hook 501 and the limiting groove 2052, thereby increasing the stability of the device during transportation. When it is necessary to roll over and unload, the positioning rod 5 is rotated to make the positioning hook 501 slide out of the sliding groove 2051, thereby releasing the connection between the main body 1 and the carriage 2.

[0040] Then, the central axis 202 is installed in the carriage 2 through the mounting hole 204, and the limiting hydraulic device 6 is controlled to extend upward so that the limiting frame 601 on the top of the limiting hydraulic device 6 is attached to the right side of the limiting plate 203. In this way, when the tilting hydraulic device 3 of the device lifts the left side of the carriage 2, the materials inside the carriage 2 will not all move to the right side of the carriage 2, thereby reducing the degree of damage to the balance inside the carriage, improving the stability of the semi-trailer during unloading, and reducing the possibility of rollover of the semi-trailer.

[0041] In this article, there are a few points to note:

[0042] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0043] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0044] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An anti-rollover dump semi-trailer, comprising:

4. The repairing kit for automotive dents, according to claim 1, wherein the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. A connecting block is slidably connected inside the connecting hole; the connecting block is divided into left and right parts, and a rotating hole is opened at the bottom of the connecting block; a connecting hole is also opened at the top of the connecting block, and a threaded hole is also opened on the outside of the connecting block, and an assembly bolt is slidably connected inside the connecting hole of the connecting block; a positioning hole is opened at the center of the rear side of the front end of the car, and a mounting hole is opened at the center of the rear side of the car; a central axis is slidably connected inside the mounting hole, and the other end of the central axis is also slidably connected inside the positioning hole of the car, and a limiting plate is also rotatably connected on the central axis; a positioning block is fixedly connected to the bottom left side of the car in an arranged manner, and the bottom of the positioning block is connected to the top of the main body; through holes are opened in an arranged manner on the top left side of the main body, and a positioning rod is slidably connected inside the through hole on the top left side of the main body; the positioning rod is slidably connected to the inside of the hollow cavity of the positioning block, and a positioning hook is fixedly connected to the top of the positioning rod.

2. The anti-rollover dump trailer according to claim 1, characterized in that: A threaded hole is provided at the top of the mounting hole, and a positioning bolt is threadedly connected inside the threaded hole of the mounting hole, and the surface of the positioning bolt of the mounting hole is connected to the tail of the central axis.

3. The anti-rollover dump trailer according to claim 1, characterized in that: The right side of the top of the main body is rotatably connected to a limiting hydraulic device, and the top of the limiting hydraulic device is rotatably connected to a limiting frame.

4. The anti-rollover dump trailer according to claim 3, characterized in that: The bottom of the carriage is provided with limiting holes arranged in an array, and the limiting holes of the carriage are slidably connected to the limiting frame, and the left side of the limiting frame is in contact with the right side of the limiting plate.

5. The anti-rollover dump trailer according to claim 1, characterized in that: A hollow cavity is provided inside the positioning block, a sliding groove is provided at the top of the hollow cavity of the positioning block, and a limiting groove is provided at the bottom of the hollow cavity of the positioning block.

6. The anti-rollover dump trailer according to claim 5, characterized in that: The positioning hook is slidably connected to the inside of the sliding groove, and after the positioning hook passes through the sliding groove, it rotates 180 degrees and is slidably connected to the inside of the limiting groove.

7. The anti-rollover dump trailer according to claim 1, characterized in that: A positioning tension spring is installed on the positioning rod, and the other end of the positioning tension spring is installed on the main body.

8. The anti-rollover dump trailer according to claim 1, characterized in that: The top of the tilting hydraulic device is symmetrically fixedly connected with a rotating rod, and the rotating rod of the tilting hydraulic device is slidably connected inside the rotating hole of the connecting block.

9. The anti-rollover dump trailer according to claim 1, characterized in that: The inner thread of the threaded hole on the outer side of the connecting block is connected with a fixing bolt, and the fixing bolt of the connecting block is also threadedly connected to the inner parts of the threaded holes on both sides of the connecting hole at the bottom of the carriage.