Protection device for preventing front gearbox and rotating shaft of dumper from violently shaking
By installing a combination of bow-shaped brackets and buffer pads on the dump truck, the problem of severe shaking of the front gearbox and drive shaft in harsh environments has been solved, thereby improving stability and service life, and reducing failure rate and maintenance costs.
Patent Information
- Application Number
- CN202422793610.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Existing dump trucks' front gearbox and drive shaft experience severe vibrations in harsh environments, leading to shell cracking, high failure rates, increased maintenance costs, and impact on vehicle operating efficiency and lifespan.
It adopts a combination design of bow-shaped bracket and buffer pad. The bow-shaped bracket is made of high-strength steel and coated with anti-rust paint. It is fixed to the vehicle beam with high-strength bolt assembly. The buffer pad is made of wear-resistant rubber material to absorb vibration and prevent loosening.
It effectively reduces the vibration amplitude of the front gearbox and drive shaft, lowers the failure rate, improves vehicle operation stability and service life, reduces maintenance costs, and improves operational efficiency.
Smart Images

Figure CN223559490U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle protection device technical field, concretely is a kind of protection device for preventing the violent shaking of front tooth box and rotating shaft of self-unloading truck. BACKGROUND
[0002] In the mining area or the adverse environment such as clay road, heavy load self-unloading truck will encounter serious uneven road condition in the process of driving, cause the violent shaking of vehicle, especially between front tooth box and transmission shaft, need to bear larger force.
[0003] Most of the front half of the front tooth box of self-unloading truck in the current market often hangs in the air, and the violent shaking of vehicle often causes the offset force between tooth box and high-speed rotating transmission shaft, which can easily cause the cracking of the tooth box shell or the failure of the transmission shaft due to swinging. Although there are some shock-absorbing and protective devices on the current market, they are not reasonably designed and cannot effectively solve the protection problem of the front tooth box and the transmission shaft, resulting in a high failure rate, increased maintenance cost, and affecting the operation efficiency and service life of the vehicle. Therefore, we propose a protection device for preventing the violent shaking of the front tooth box and the rotating shaft of the self-unloading truck. SUMMARY
[0004] The utility model aims at providing a protection device for preventing the violent shaking of the front tooth box and the rotating shaft of the self-unloading truck to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a protection device for preventing the violent shaking of the front tooth box and the rotating shaft of the self-unloading truck, comprising an arc-shaped bracket and a front tooth box, the arc-shaped bracket is installed on the front section of the front tooth box, the transmission shaft is installed inside the front tooth box, the arc-shaped bracket is connected with the front section of the front tooth box and is padded with a buffer rubber pad, the both sides of the front tooth box are provided with a vehicle girder, and the arc-shaped bracket is fixed on the vehicle girder through a high-strength bolt assembly.
[0006] Preferably, the arc-shaped bracket is made of high-strength steel material, which has good compression resistance and bending resistance.
[0007] Preferably, the surface of the arc-shaped bracket is sprayed with anti-rust paint, which has anti-rust effect and can prolong the service life.
[0008] Preferably, the end of the arc-shaped bracket at the position of the high-strength bolt assembly is provided with a mounting hole, which facilitates the installation of the high-strength bolt assembly.
[0009] Preferably, the high-strength bolt assembly comprises a high-strength bolt body, a main nut and a secondary nut, and the main nut and the secondary nut constitute a pair of locking nuts, which have anti-loosening effect and ensure that the arc-shaped bracket will not loosen during the driving of the vehicle.
[0010] Preferably, the buffer rubber pad is tightly adhered to the arc-shaped bracket by adhesive, so as to fix the buffer rubber pad on the arc-shaped bracket.
[0011] Preferably, the buffer rubber pad is made of wear-resistant rubber material, which is more wear-resistant and has long service life.
[0012] Compared with the prior art, the utility model has the advantages of:
[0013] The arc-shaped bracket is installed at the front section of the front tooth box, is made of high-strength steel material, has good compression resistance and bending resistance, and has a rust-proof treatment of spraying rust-proof paint on the surface, so as to prolong the service life; the buffer rubber pad is arranged at the connecting position of the arc-shaped bracket and the front section of the front tooth box, is made of wear-resistant rubber material, can absorb and buffer the vibration when the vehicle runs, the arc-shaped bracket is fixed on the vehicle girder through a high-strength bolt assembly, the high-strength bolt assembly is composed of a high-strength bolt body, a main nut and a vice nut, the high-strength bolt body penetrates through the mounting hole, the main nut and the vice nut constitute the counter nut, the high-strength bolt assembly adopts an anti-loosening design, so as to ensure that the arc-shaped bracket does not loosen during the running of the vehicle; in actual application, when the dump truck runs on uneven roads, the arc-shaped bracket and the buffer rubber pad can effectively reduce the shaking amplitude of the front tooth box and the transmission shaft, prevent the front tooth box shell from cracking and the transmission shaft from failing, thereby improving the running stability and service life of the dump truck; since the failure rate of the front tooth box and the transmission shaft is greatly reduced, the maintenance cost is reduced, and the operation efficiency of the vehicle is improved; the utility model effectively reduces the shaking amplitude of the transmission shaft and the front tooth box when the vehicle runs on uneven roads through the arc-shaped bracket and the buffer rubber pad, protects the front tooth box and the transmission shaft, and is suitable for the dump truck. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is an arc-shaped bracket structural schematic diagram of the utility model;
[0016] Figure 3 It is a buffer rubber pad structural schematic diagram of the utility model;
[0017] Figure 4 It is a buffer rubber pad side view structural schematic diagram of the utility model;
[0018] Figure 5 It is a Figure 2 It is an enlarged structural schematic diagram of A in the middle.
[0019] In the figure: 1, arc bracket; 101, mounting hole; 2, high-strength bolt assembly; 201, high-strength bolt body; 202, main nut; 203, auxiliary nut; 3, buffer rubber pad; 301, adhesive glue; 4, front tooth box; 5, transmission shaft; 6, vehicle girder. DETAILED DESCRIPTION
[0020] The technical solutions 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. All other embodiments obtained by those skilled in the art without creative labor based on the embodiments in the utility model belong to the scope of protection of the utility model.
[0021] Please refer to Figures 1-5 The utility model provides an embodiment: a protection device for preventing the front tooth box and rotating shaft of a self-unloading vehicle from violent shaking, comprising an arc bracket 1 and a front tooth box 4, the arc bracket 1 is installed on the front section of the front tooth box 4, a transmission shaft 5 is installed in the inside of the front tooth box 4, the arc bracket 1 is provided with a buffer rubber pad 3 at the connecting place with the front section of the front tooth box 4, vehicle girders 6 are arranged on both sides of the front tooth box 4, and the arc bracket 1 is fixed on the vehicle girders 6 through high-strength bolt assemblies 2.
[0022] Specifically, when the self-unloading vehicle is running on uneven roads, the arc bracket 1 and the buffer rubber pad 3 can effectively reduce the shaking amplitude of the front tooth box 4 and the transmission shaft 5, prevent the front tooth box 4 shell from cracking and the transmission shaft 5 from malfunctioning, thereby improving the running stability and service life of the self-unloading vehicle, since the failure rate of the front tooth box 4 and the transmission shaft 5 is greatly reduced, the maintenance cost is reduced, and the operation efficiency of the vehicle is improved.
[0023] The arc bracket 1 is made of high-strength steel material and has good compression resistance and bending resistance;
[0024] The surface of the arc bracket 1 is sprayed with rust-proof paint, has a rust-proof effect, and can prolong the service life;
[0025] Mounting holes 101 are arranged at the ends of the arc bracket 1 at the positions of the high-strength bolt assemblies 2, facilitating the installation of the high-strength bolt assemblies 2;
[0026] The high-strength bolt assembly 2 comprises a high-strength bolt body 201, a main nut 202 and an auxiliary nut 203, the main nut 202 and the auxiliary nut 203 constitute a pair of locking nuts, have an anti-loosening effect, and ensure that the arc bracket 1 does not loosen during the running of the vehicle;
[0027] The high-strength bolt body 201 penetrates through the mounting hole 101 and extends to the inside of the vehicle girder 6;
[0028] The buffer rubber pad 3 is tightly adhered to the arc-shaped bracket 1 through the adhesive 301, so as to fix the buffer rubber pad 3 on the arc-shaped bracket 1.
[0029] The buffer rubber pad 3 is made of wear-resistant rubber material, is more wear-resistant, and has a long service life.
[0030] In use, the arc-shaped bracket 1 is installed at the front section of the front axle box 4, is made of high-strength steel material, has good compression resistance and bending resistance, and has a rust-proof treatment of spraying rust-proof paint on the surface, so as to prolong the service life. The buffer rubber pad 3 is arranged at the connecting position between the arc-shaped bracket 1 and the front section of the front axle box 4, is made of wear-resistant rubber material, can absorb and buffer the vibration when the vehicle runs, and the arc-shaped bracket 1 is fixed on the vehicle girder 6 through the high-strength bolt assembly 2. The high-strength bolt assembly 2 is composed of a high-strength bolt body 201, a main nut 202 and a secondary nut 203. The high-strength bolt body 201 penetrates through the mounting hole 101, the main nut 202 and the secondary nut 203 constitute a top nut, the high-strength bolt assembly 2 is designed to be anti-loose, so as to ensure that the arc-shaped bracket 1 does not loosen during the running of the vehicle. In actual application, when the dump truck runs on uneven roads, the arc-shaped bracket 1 and the buffer rubber pad 3 can effectively reduce the shaking amplitude of the front axle box 4 and the transmission shaft 5, prevent the shell of the front axle box 4 from cracking and the transmission shaft 5 from failing, thereby improving the running stability and service life of the dump truck. Since the failure rate of the front axle box 4 and the transmission shaft 5 is greatly reduced, the maintenance cost is reduced, and the operation efficiency of the vehicle is improved. Through the arc-shaped bracket 1 and the buffer rubber pad 3, the shaking amplitude of the front axle box 4 and the transmission shaft 5 when the vehicle runs on uneven roads is effectively reduced, and the front axle box 4 and the transmission shaft 5 are protected.
[0031] Obviously, the above-described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.
Claims
1. A protection device for preventing violent shifting of a front tank and a rotating shaft of a self-dumper, characterized in that, The utility model relates to a front tooth box (4) and arc bracket (1), arc bracket (1) is installed in the front section of front tooth box (4), the inside of front tooth box (4) is equipped with transmission shaft (5), the connecting place of arc bracket (1) and the front section of front tooth box (4) is provided with buffer rubber pad (3), both sides of front tooth box (4) are equipped with vehicle girder (6), arc bracket (1) is fixed on vehicle girder (6) through high-strength bolt assembly (2).
2. A protective device for preventing violent shifting of a front body and a rotating shaft of a self-unloading vehicle according to claim 1, characterized in that: The arc bracket (1) is made of high-strength steel material.
3. A protective device for preventing violent shifting of the front body and rotating shaft of a self-unloading truck according to claim 1, characterized in that: The surface of the arc bracket (1) is sprayed with rust-proof paint.
4. A protective device for preventing violent shifting of a front body and a rotating shaft of a self-unloading vehicle according to claim 1, characterized in that: The end of the arc bracket (1) is provided with a mounting hole (101) at the position of the high-strength bolt assembly (2).
5. A protective device for preventing violent shifting of the front body and rotating shaft of a self-unloading truck according to claim 1, characterized in that: The high-strength bolt assembly (2) comprises a high-strength bolt body (201), a main nut (202), and a secondary nut (203), and the main nut (202) and the secondary nut (203) constitute a pair of top nuts.
6. A protective device for preventing violent shifting of a front bin and a rotating shaft of a self-unloading vehicle according to claim 1, characterized in that: The buffer rubber pad (3) is tightly adhered to the arc bracket (1) by adhesive (301).
7. A protective device for preventing violent shifting of a front body and a rotating shaft of a self-unloading vehicle according to claim 1, characterized in that: The buffer rubber pad (3) is made of wear-resistant rubber material.