Mine truck shock absorber

By setting relatively movable metal inner bobbins and outer bobbins outside the springs of the mining vehicle shock absorber, the problem of the shock absorber being susceptible to sand and gravel impact is solved, achieving a longer service life and better protection effect.

CN222772586UActive Publication Date: 2025-04-18JIAXING JIAJIA AUTOMOBILE PARTS MFG CO LTD
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Patent Information

Application Number
CN202421720124.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-04-18
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

Due to the rough shell structure of mining vehicle shock absorbers, the shock absorbers are exposed and are easily damaged by sand and gravel impacts, affecting their service life and effect.

Method used

A mining vehicle shock absorber is designed. By providing a metal inner bobbin and a metal outer bobbin outside the spring, the metal outer bobbin can be moved axially relative to the metal inner bobbin to form a protective layer to avoid sand and gravel impact.

Benefits of technology

Effectively protect the shock absorber from sand and gravel impact, extends its service life, and improves overall functional perfection and practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mine truck shock absorber which comprises a shock absorption cylinder body and a piston rod, a fixed baffle is arranged on the shock absorption cylinder body, a follow-up movable baffle is arranged on the piston rod, and a metal inner tube is arranged on the movable baffle. One end of a metal inner tube is connected to the movable baffle, the other end of the metal inner tube linearly extends towards the fixed baffle, a metal outer tube is arranged on the fixed baffle, one end of the metal outer tube is connected to the fixed baffle, and the other end of the metal outer tube linearly extends towards the movable baffle. The metal inner cylinder pipe is arranged in the metal outer cylinder pipe, and the metal inner cylinder pipe and the metal outer cylinder pipe move relatively. The shock absorber has the advantages of being good in protection effect, long in service life, complete in overall function and high in practicability.
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Description

Technical Field

[0001] The utility model relates to the technical field of shock absorber manufacturing, and more specifically, to a shock absorber for a mining vehicle. Background Art

[0002] The outer shell structure of the mining vehicle itself is relatively rough, and the shock absorbers set on the body are mostly exposed to the outside, causing the compression springs on the shock absorbers to provide shock absorption function to be exposed to the outside. The use conditions are harsh, and it is easy to be damaged or broken when colliding with sand and stones of different sizes, which affects the service life and has a poor overall effect. Based on this, the utility model proposes a shock absorber for a mining vehicle. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and provide a shock absorber for a mining vehicle, which has the characteristics of good protection effect and long service life.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a mining vehicle shock absorber, including a shock absorbing cylinder and a piston rod, the shock absorbing cylinder is provided with a fixed baffle, the piston rod is provided with a movable baffle for follow-up, the movable baffle is provided with a metal inner tube, one end of the metal inner tube is connected to the movable baffle, and the other end extends straight toward the fixed baffle, the fixed baffle is provided with a metal outer tube, one end of the metal outer tube is connected to the fixed baffle, and the other end extends straight toward the movable baffle, the metal inner tube is arranged in the metal outer tube and the two move relative to each other.

[0005] The utility model is further configured as follows: a first guide hole extending along the axial direction is provided on the metal inner tube, a first guide plate is slidably connected in the first guide hole, and the first guide plate is provided on the metal outer tube.

[0006] The utility model is further configured as follows: the first guide holes are arranged in a circular array at equal intervals around the axis of the metal inner tube.

[0007] The utility model is further configured as follows: a second guide hole extending along the axial direction is provided on the metal outer tube, a second guide piece is slidably connected in the second guide hole, and the second guide piece is provided on the metal inner tube.

[0008] The utility model is further configured as follows: the second guide holes are arranged in a circular array at equal intervals around the axis of the metal outer tube.

[0009] The utility model is further configured as follows: the metal inner tube is arranged downwardly, and the metal outer tube is arranged upwardly.

[0010] The utility model is further configured as follows: sand discharge holes are arranged around the bottom of the metal inner tube.

[0011] The utility model is further configured as follows: the metal outer tube and the metal inner tube are coaxially arranged.

[0012] To sum up, the utility model has the following beneficial effects: the mining vehicle shock absorber involved in the utility model has a metal inner tube and a metal outer tube outside the spring for blocking sand and gravel, and the metal outer tube can move axially relative to the metal inner tube, so that the shock absorber can avoid the impact of sand and gravel while absorbing shock, has good protective effect, long service life, complete overall functions and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the utility model for reflecting the sand discharge hole. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0017] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0018] Example 1

[0019] See also Figure 1 and Figure 2 As shown, a shock absorber for a mining vehicle involved in this embodiment includes a shock absorbing cylinder 1 and a piston rod 2, wherein the shock absorbing cylinder 1 is provided with a fixed baffle 3, and the piston rod 2 is provided with a movable baffle 4 for follow-up, and the movable baffle 4 is provided with a metal inner tube 5, one end of the metal inner tube 5 is connected to the movable baffle 4, and the other end extends linearly toward the fixed baffle 3, and the fixed baffle 3 is provided with a metal outer tube 6, one end of the metal outer tube 6 is connected to the fixed baffle 3, and the other end extends linearly toward the movable baffle 4, and the metal inner tube 5 is arranged in the metal outer tube 6 and the two move relative to each other.

[0020] Furthermore, the metal inner tube 5 is provided with a first guide hole 7 extending along the axial direction, and a first guide plate 8 is slidably connected in the first guide hole 7, and the first guide plate 8 is arranged on the metal outer tube 6; the first guide holes 7 are arranged in a circular array with equal angles around the axis of the metal inner tube 5.

[0021] Furthermore, the metal outer tube 6 is provided with a second guide hole 9 extending along the axial direction, and a second guide plate 10 is slidably connected in the second guide hole 9, and the second guide plate 10 is arranged on the metal inner tube 5; the second guide holes 9 are arranged in a circular array with equal angles around the axis of the metal outer tube 6.

[0022] Furthermore, the metal outer tube 6 and the metal inner tube 5 are coaxially arranged.

[0023] In this embodiment, when the movable baffle 4 approaches the fixed baffle 3, the movable baffle 4 drives the metal inner tube 5 to move axially, and the fixed baffle 3 and the metal outer tube 6 remain fixed, causing the metal inner tube 5 to move axially relative to the metal outer tube 6.

[0024] Among them, the first guide hole 7 cooperates with the setting of the first guide piece 8 to play a sliding guiding role when the metal inner tube 5 moves axially relative to the metal outer tube 6; the second guide hole 9 cooperates with the setting of the second guide piece 10 to play a sliding guiding role when the metal inner tube 5 moves axially relative to the metal outer tube 6.

[0025] Example 2

[0026] See also Figures 1 to 3 As shown, the shock absorber for a mining vehicle involved in this embodiment is further configured on the basis of Embodiment 1, wherein the metal inner tube 5 is arranged at the bottom and the metal outer tube 6 is arranged at the top.

[0027] Furthermore, sand removal holes 11 are arranged around the bottom of the metal inner tube 5 .

[0028] In this embodiment, by placing the metal inner tube 5 downward and providing a sand discharge hole 11 near the bottom of the metal inner tube 5, the sand and gravel entering the tube (including the metal outer tube 6 and the metal inner tube 5) from the first guide hole 7 and the second guide hole 9 are automatically discharged to prevent accumulation in the tube and affect the use of the shock absorber.

[0029] The mining vehicle shock absorber involved in the utility model has a metal inner tube and a metal outer tube outside the spring for blocking sand and gravel. The metal outer tube can move axially relative to the metal inner tube, so that the shock absorber can avoid the impact of sand and gravel while absorbing shock. The utility model has good protective effect, long service life, perfect overall function and strong practicality.

[0030] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0031] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A shock absorber for a mining vehicle, comprising a shock absorbing cylinder and a piston rod, characterized in that: The shock-absorbing cylinder body is provided with a fixed baffle, the piston rod is provided with a movable baffle for follow-up, the movable baffle is provided with a metal inner tube, one end of the metal inner tube is connected to the movable baffle, and the other end extends straightly toward the fixed baffle, the fixed baffle is provided with a metal outer tube, one end of the metal outer tube is connected to the fixed baffle, and the other end extends straightly toward the movable baffle, the metal inner tube is arranged in the metal outer tube and the two move relative to each other.

2. The shock absorber for mining vehicles according to claim 1, characterized in that: The metal inner tube is provided with a first guide hole extending in the axial direction, a first guide plate is slidably connected in the first guide hole, and the first guide plate is provided on the metal outer tube.

3. The shock absorber for mining vehicles according to claim 2, characterized in that: The first guide holes are arranged in a circular array with equal intervals of angles around the axis of the metal inner tube.

4. The shock absorber for mining vehicles according to any one of claims 1 to 3, characterized in that: The metal outer tube is provided with a second guide hole extending in the axial direction, the second guide hole is slidably connected with a second guide piece, and the second guide piece is arranged on the metal inner tube.

5. The shock absorber for mining vehicles according to claim 4, characterized in that: The second guide holes are arranged in a circular array with equal intervals of angles around the axis of the metal outer tube.

6. The shock absorber for mining vehicles according to claim 1, characterized in that: The metal inner tube is arranged at the bottom, and the metal outer tube is arranged at the top.

7. The shock absorber for mining vehicles according to claim 6, characterized in that: Sand discharge holes are arranged around the bottom of the metal inner tube.

8. The shock absorber for mining vehicles according to claim 1, characterized in that: The metal outer tube and the metal inner tube are coaxially arranged.