A hydraulic rod for mine support

CN224705795UActive Publication Date: 2026-09-01XUZHOU HUADONG MACHINERY CO LTD
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Patent Information

Application Number
CN202522318516.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-31
Publication Date
2026-09-01
Estimated Expiration
2035-10-31

AI Technical Summary

Technical Problem

现有的矿场支护液压杆,通常存在以下问题:支护角度和高度调节困难,导致适应性差;支撑脚与地面接触不稳定,易发生滑动;结构复杂,安装和拆卸效率低

Benefits of technology

[0010] By setting angle adjustment rods and length adjustment rods, multi-level adjustment of support height and angle is achieved, adapting to different mine terrains and improving support flexibility. Folding airbags and anti-slip rings enhance the friction between the support feet and the ground, preventing slippage and improving support stability. Wedge blocks and locking mechanisms simplify the fixing operation after angle adjustment, ensuring that the adjustment rod will not shift under load, thus improving safety. By setting pins and guide grooves, quick locking of length adjustment is achieved, avoiding the cumbersome traditional thread adjustment and improving operational efficiency.

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Abstract

This utility model discloses a hydraulic rod for mine support, relating to the technical field of mine support equipment. The hydraulic rod includes a hydraulic telescopic rod, a guard plate connector, and a support assembly. The hydraulic telescopic rod adapts to different mine tunnel shapes; the support assembly, fixed to the bottom of the hydraulic telescopic rod, consists of a crossbeam, an angle adjusting rod, a length adjusting rod, support feet, a folding airbag, and an anti-slip ring. The angle adjusting rod is rotatably connected to the crossbeam and is fixed at multiple angles via a wedge block and locking mechanism; the length adjusting rod is slidably connected to the outer wall of the angle adjusting rod, and its height is quickly adjusted using a pin and guide groove; the support feet are equipped with a folding airbag and a base plate, combined with an anti-slip ring to enhance ground adhesion and prevent slippage. This utility model, through modular design, achieves convenient adjustment of support height and angle, improving the adaptability and safety of the support while reducing operational intensity, making it suitable for complex mine environments.
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Description

Technical Field

[0001] This utility model relates to the field of mine support technology, specifically to a hydraulic rod used for mine support. Background Technology

[0002] Hydraulic rods are commonly used support equipment in the field of mine support. Existing hydraulic rods for mine support typically suffer from the following problems: difficulty in adjusting the support angle and height, leading to poor adaptability; unstable contact between the support feet and the ground, making them prone to slippage; and complex structure, resulting in low installation and disassembly efficiency. These shortcomings affect the safety and ease of operation of the support. Therefore, there is an urgent need for a hydraulic rod that is flexibly adjustable and highly stable. Utility Model Content

[0003] To address the shortcomings of existing technologies, the technical solution adopted by this utility model is as follows: a hydraulic rod for mine support, comprising a hydraulic telescopic rod 1, with guard plate connectors 2 rotatably connected to both ends of the hydraulic telescopic rod 1, and a support assembly 3 fixedly connected to the bottom of the hydraulic telescopic rod 1. The support assembly 3 includes a crossbeam 10, with angle adjusting rods 11 rotatably connected to both ends of the bottom of the crossbeam 10, a length adjusting rod 12 slidably connected to the outer wall of the angle adjusting rod 11, and a support foot 13 threadedly connected to the inner wall of the bottom end of the length adjusting rod 12. A folding airbag 14 is fixedly connected to the bottom of the support foot 13, a base plate 15 is fixedly connected to the bottom of the folding airbag 14, and an anti-slip ring 16 is fixedly connected to the bottom of the base plate 15.

[0004] Preferably, the top of the crossbeam 10 is fixedly connected to the bottom of the hydraulic telescopic rod 1, and the side of the hydraulic telescopic rod 1 is provided with a pipe interface for connecting to an external pump station. Both ends of the hydraulic telescopic rod are rotatably connected to the support plate through the guard plate connector, allowing for adaptive angle adjustment to adapt to different mine roadway shapes.

[0005] Preferably, a fixing ring 18 is fixedly connected to the outer wall of the length adjustment rod 12, and a diamond-shaped anti-slip sleeve is provided on the top of the fixing ring 18. A handle 17 is fixedly connected to the side wall of the support foot 13.

[0006] Preferably, a wedge block 20 is slidably connected to the bottom of the crossbeam 10 via a dovetail groove, a guide groove 21 is provided on the side wall of the angle adjustment rod 11, a locking groove 22 is provided on one side of the guide groove 21, and a locking block 23 is fixedly connected to the outer wall of the top rotating shaft of the angle adjustment rod 11.

[0007] Preferably, the guide groove 21 is externally slidably connected with a pin 19, which is fixedly installed on the side of the length adjusting rod 12 near the fixing ring 18.

[0008] Preferably, the wedge blocks 20 are symmetrically arranged on both sides of the angle adjusting rod 11, and the wedge blocks 20 have grooves on both sides. The locking blocks 23 are spirally arranged along the outer wall of the rotating shaft, and the connecting blocks at both ends of the rotating shaft are fixed to the inside of the crossbeam 10 by bolts.

[0009] The beneficial effects of this utility model are as follows:

[0010] By setting angle adjustment rods and length adjustment rods, multi-level adjustment of support height and angle is achieved, adapting to different mine terrains and improving support flexibility. Folding airbags and anti-slip rings enhance the friction between the support feet and the ground, preventing slippage and improving support stability. Wedge blocks and locking mechanisms simplify the fixing operation after angle adjustment, ensuring that the adjustment rod will not shift under load, thus improving safety. By setting pins and guide grooves, quick locking of length adjustment is achieved, avoiding the cumbersome traditional thread adjustment and improving operational efficiency. Attached Figure Description

[0011] Figure 1 This is the front view of this utility model;

[0012] Figure 2 This is a structural schematic diagram of the support component of this utility model;

[0013] Figure 3 This is a schematic diagram of the length adjusting rod of this utility model;

[0014] Figure 4 This is a utility model Figure 2 Schematic diagram of the structure at point A;

[0015] Figure 5 This is a utility model Figure 2 A schematic diagram of the structure at point B.

[0016] In the diagram: 1. Hydraulic telescopic rod; 2. Guard plate connector; 3. Support assembly; 10. Crossbeam; 11. Angle adjustment rod; 12. Length adjustment rod; 13. Support foot; 14. Folding airbag; 15. Base plate; 16. Anti-slip ring; 17. Handle; 18. Fixing ring; 19. Pin; 20. Wedge block; 21. Guide groove; 22. Locking groove; 23. Locking block. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0018] Example:

[0019] Please see Figure 1 - Figure 5 This utility model provides a technical solution: a hydraulic rod for mine support, including a hydraulic telescopic rod 1, with guard plate connectors 2 rotatably connected to both ends of the hydraulic telescopic rod 1, and a support assembly 3 fixedly connected to the bottom of the hydraulic telescopic rod 1. The support assembly 3 includes a crossbeam 10, with angle adjusting rods 11 rotatably connected to both ends of the bottom of the crossbeam 10, a length adjusting rod 12 slidably connected to the outer wall of the angle adjusting rod 11, and a support foot 13 threadedly connected to the inner wall of the bottom end of the length adjusting rod 12. A folding airbag 14 is fixedly connected to the bottom of the support foot 13, a base plate 15 is fixedly connected to the bottom of the folding airbag 14, and an anti-slip ring 16 is fixedly connected to the bottom of the base plate 15.

[0020] The top of the crossbeam 10 is fixedly connected to the bottom of the hydraulic telescopic rod 1, and the side of the hydraulic telescopic rod 1 is provided with a pipe interface for connecting to an external pump station.

[0021] A fixing ring 18 is fixedly connected to the outer wall of the length adjustment rod 12. A diamond-shaped anti-slip sleeve is provided on the top of the fixing ring 18. A handle 17 is fixedly connected to the side wall of the support foot 13.

[0022] The bottom of the crossbeam 10 is slidably connected to a wedge block 20 via a dovetail groove. The side wall of the angle adjustment rod 11 is provided with a guide groove 21, and a locking groove 22 is provided on one side of the guide groove 21. A locking block 23 is fixedly connected to the outer wall of the top rotating shaft of the angle adjustment rod 11.

[0023] The guide groove 21 is externally slidably connected by a pin 19, which is fixedly installed on the side of the length adjusting rod 12 near the fixing ring 18.

[0024] The wedge blocks 20 are symmetrically arranged on both sides of the angle adjustment rod 11. The wedge blocks 20 have grooves on both sides. The locking blocks 23 are spirally arranged along the outer wall of the rotating shaft. The connecting blocks at both ends of the rotating shaft are fixed to the inside of the crossbeam 10 by bolts.

[0025] In use, the hydraulic telescopic rod 1 serves as the power source for the horizontal support plate. Its external pipeline is connected to the external main pump station. The plate connector 2 can be made of different specifications of plates according to the surface to be supported, and allows for a certain range of angle adjustment. The support assembly 3 lifts up the entire hydraulic telescopic rod 1, making it convenient for personnel or equipment to walk from the bottom of the hydraulic telescopic rod 1.

[0026] The support height and support angle can be selected according to the actual support environment. When the support height needs to be adjusted, the length adjustment rod 12 outside the angle adjustment rod 11 is pulled outward, so that the pin 19 slides along the inside of the guide groove 21. After moving to the appropriate length, the diamond pattern on the outside of the fixing ring 18 is rotated. The protruding fixing ring 18 and the diamond anti-slip texture can prevent slippage when rotating the length adjustment rod 12. The rotated length adjustment rod 12 inserts the pin 19 into the locking groove 22 to complete the coarse adjustment of the length. Then, the support foot 13 is rotated downward through the handle 17 to complete the fine adjustment of the length.

[0027] When the angle needs to be adjusted, the angle adjusting rod 11 is adjusted to the specified angle relative to the crossbeam 10. Then, the required wedge block 20 is selected according to the tilt direction of the angle adjusting rod 11. The wedge block 20 is hammered into the top pivot area of ​​the angle adjusting rod 11, so that the wedge block 20 is pressed into contact with the locking block 23, thus locking the angle adjusting rod 11. When disassembly is required, the angle adjusting rod 11 can be rotated to push the wedge block 20 out of the gap, or the sliding grooves on both sides of the wedge block 20 can be tapped to help push the wedge block 20 out.

[0028] After the angle is adjusted, in order to ensure that the support foot 13 can stably contact the support surface, the bottom plate 15 of the folding airbag 14 will always be in contact with the support surface. The anti-slip ring 16 can provide sufficient friction to further improve the support effect. The folding airbag 14 adopts a "Z" shaped shell, which has a certain degree of extensibility and buffer space while satisfying the adjustment in all directions.

[0029] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A hydraulic rod for mine support, comprising a hydraulic telescopic rod (1), characterized in that: The hydraulic telescopic rod (1) is rotatably connected to the two ends of the guard plate connector (2), and the bottom of the hydraulic telescopic rod (1) is fixedly connected to the support assembly (3). The support assembly (3) includes a crossbeam (10). The two ends of the bottom of the crossbeam (10) are rotatably connected to the angle adjustment rod (11). The outer wall of the angle adjustment rod (11) is slidably connected to the length adjustment rod (12). The inner wall of the bottom end of the length adjustment rod (12) is threadedly connected to the support foot (13). The bottom of the support foot (13) is fixedly connected to the folding airbag (14). The bottom of the folding airbag (14) is fixedly connected to the bottom plate (15). The bottom of the bottom plate (15) is fixedly connected to the anti-slip ring (16).

2. A hydraulic rod for mine support according to claim 1, characterized in that: The top of the crossbeam (10) is fixedly connected to the bottom of the hydraulic telescopic rod (1), and the side of the hydraulic telescopic rod (1) is provided with a pipe interface for connecting to an external pump station.

3. A hydraulic rod for mine support according to claim 1, characterized in that: The outer wall of the length adjustment rod (12) is fixedly connected to a fixing ring (18), the top of the fixing ring (18) is provided with a diamond-shaped anti-slip sleeve, and the side wall of the support foot (13) is fixedly connected to a handle (17).

4. A hydraulic rod for mine support according to claim 1, characterized in that: The bottom of the crossbeam (10) is slidably connected to a wedge block (20) via a dovetail groove. The side wall of the angle adjustment rod (11) is provided with a guide groove (21). A locking groove (22) is provided on one side of the guide groove (21). A locking block (23) is fixedly connected to the outer wall of the top rotating shaft of the angle adjustment rod (11).

5. A hydraulic rod for mine support according to claim 4, characterized in that: The guide groove (21) is externally slidably connected to a pin (19), which is fixedly installed on the side of the length adjusting rod (12) near the fixing ring (18).

6. A hydraulic rod for mine support according to claim 5, characterized in that: The wedge blocks (20) are symmetrically arranged on both sides of the angle adjustment rod (11). The wedge blocks (20) have grooves on both sides. The locking blocks (23) are spirally arranged along the outer wall of the rotating shaft. The connecting blocks at both ends of the rotating shaft are fixed and inserted into the interior of the crossbeam (10) by bolts.