A flexible hydraulic support with high stability
By designing a flexible hydraulic bracket including a bracket base plate, a support plate, a hydraulic rod, a support mechanism, a skid plate and a fixed plate, the problem of insufficient stability of the traditional bracket is solved and higher stability and safety are achieved.
Patent Information
- Application Number
- CN202421468107.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-25
AI Technical Summary
Traditional flexible hydraulic support has weak stability in coal mining and is prone to tipping or slipping due to movement, deformation and failure of surrounding rock, resulting in unstable equipment.
A flexible hydraulic support including a bracket base plate, a support plate, a hydraulic rod, a support mechanism, a skid plate and a fixing plate are designed. The stability and anti-slip properties of the bracket are enhanced by inserting the support mechanism into the ground by multiple adjustable angle support blocks and anti-slip plates.
It improves the overall stability of the flexible hydraulic support, prevents the support from tipping or slipping, and enhances the safety during coal mining.
Smart Images

Figure CN222716936U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flexible hydraulic supports, in particular to a flexible hydraulic support with high stability. Background Art
[0002] Coal mines are one of my country's important energy sources and are non-renewable resources. Therefore, efficient mining and rational application of coal resources are particularly important. At the same time, due to the unique regional characteristics of Guizhou, there are often inclined thin coal seams. The mining of these coal seams will be difficult and unsafe. Therefore, when mining them, flexible hydraulic supports are needed to assist in supporting the inclined thin coal seams at the mining site.
[0003] During mining operations, conventional flexible hydraulic supports have weak stability and are easily damaged by the movement, deformation and damage of surrounding rock at the mining face, resulting in the tipping and sliding of the hydraulic supports and other equipment at the working face. Therefore, the utility model provides a highly stable flexible hydraulic support to solve the problems raised in the above-mentioned background technology. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a flexible hydraulic support with high stability. The device is provided with a support plate to support the upper wall surface, and a support mechanism to support the front end. The anti-slip plate is conducive to supporting the support after being inserted into the ground to prevent the support from tipping backwards. A fixing plate and a threaded rod are also provided to strengthen the connection strength between the support as a whole and the ground, thereby greatly improving the overall stability of the device.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible hydraulic support with high stability, comprising a support bottom plate, a support plate is hingedly arranged at the rear side of the upper end of the support bottom plate, two hydraulic rods are fixedly arranged at both sides of the front end of the support bottom plate, and a support mechanism is fixedly arranged at the front end of the two hydraulic rods;
[0006] A mounting block is fixedly provided at the rear end of the bracket base plate, and an anti-skid plate is fixedly provided at the rear end of the mounting block by threads. The supporting mechanism includes a No. 1 support block, a No. 2 support block is hingedly provided at the upper end of the No. 1 support block, and a No. 3 support block is hingedly provided at the upper end of the No. 2 support block. Fixing nuts are threadedly provided at both sides of the front ends of the No. 1 support block, the No. 2 support block and the No. 3 support block, and a plurality of fixing plates are fixedly provided at both sides of the bracket base plate, and threaded rods are threadedly provided at the middle parts of the plurality of fixing plates.
[0007] Through the above technical scheme, the bottom plate of the bracket is conducive to the installation of the support plate, the support plate is conducive to supporting the upper soil surface, the No. 2 hydraulic rod is conducive to adjusting the length of the support mechanism, the mounting block is conducive to the threaded installation of the anti-slip plate, the anti-slip plate is conducive to enhancing the anti-slip property and stability of the bracket, the No. 1 support block, the No. 2 support block and the No. 3 support block are conducive to adjusting the angle according to the shape of the front end soil wall, which is conducive to better fitting the soil wall and enhancing stability, and the fixing plate is conducive to cooperating with the threaded rod to fix the device to the ground.
[0008] Furthermore, a slide groove is provided in the middle of the lower end of the support plate, and a sliding plate is slidably arranged inside the slide groove;
[0009] Through the above technical solution, the slide groove is conducive to the sliding plate sliding back and forth, and the sliding plate is conducive to adjusting the length of the support plate.
[0010] Furthermore, a baffle is hingedly provided at the front end of the sliding plate, and three hydraulic rods are fixedly provided at both sides of the rear end of the sliding plate;
[0011] Through the above technical solution, the baffle is helpful to support the front earth wall, and the No. 2 hydraulic rod is helpful to adjust the position of the sliding plate.
[0012] Furthermore, a plurality of No. 1 hydraulic rods are hingedly provided at the middle position of the upper end of the bracket bottom plate, and a spring is fixedly provided at the upper end position of the outer surface of the plurality of No. 1 hydraulic rods through threads;
[0013] Through the above technical solution, hydraulic rod No. 1 is conducive to adjusting the angle of the support plate, and the spring is conducive to being used in conjunction with the hydraulic rod, which is conducive to producing a buffering effect on the pressure generated at the upper end.
[0014] Furthermore, a hinge plate is fixedly provided at the rear end of the No. 1 support block, and a hinge block is hingedly provided at the rear end of the hinge plate;
[0015] Through the above technical solution, the hinge plate is conducive to cooperating with the hinge block to adjust the angle of the support block.
[0016] Furthermore, the rear end of the articulated block is fixed to the second hydraulic rod;
[0017] Through the above technical solution, the No. 2 hydraulic rod is helpful to adjust the position of the hinge block.
[0018] Furthermore, the upper end of the No. 1 hydraulic rod is hinged and fixed to the support plate;
[0019] Through the above technical solution, the hinged installation is conducive to the adjustment of the angle of the support plate.
[0020] The utility model has the following beneficial effects:
[0021] 1. The utility model proposes a flexible hydraulic support with high stability. The traditional flexible hydraulic support has weak stability and is easily damaged by the movement, deformation and damage of the surrounding rock of the mining working face, thereby causing the hydraulic support and other equipment on the working face to tip over and slide. The device is provided with a supporting mechanism at the front end of the support. The supporting mechanism is provided with a plurality of support blocks with adjustable angles, which is conducive to fixing after fitting to the front wall during mining, increasing the force-bearing area and improving stability. An anti-skid plate is provided at the rear end of the support, the anti-skid plate can be rotated to adjust the angle and then fixed, and then its lower end is inserted into the ground, which can enhance the support and improve the stability of the device.
[0022] 2. The utility model proposes a flexible hydraulic support with high stability. The device is provided with a support plate to support the upper wall surface, and a support mechanism to support the front wall surface. The anti-slip plate is conducive to supporting the support after being inserted into the ground to prevent the support from tipping backwards. A fixing plate and a threaded rod are also provided to strengthen the connection strength between the support as a whole and the ground, thereby greatly improving the overall stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is an axonometric schematic diagram of the utility model;
[0024] Figure 2 It is a side axonometric schematic diagram of the utility model;
[0025] Figure 3 It is a rear axonometric schematic diagram of the utility model;
[0026] Figure 4 It is a bottom-up axonometric schematic diagram of the present invention.
[0027] Legend:
[0028] 1. Bracket base plate; 2. Support plate; 3. Hydraulic rod No. 1; 4. Fixed plate; 5. Threaded rod; 6. Hydraulic rod No. 2; 7. Support mechanism; 8. Spring; 9. Slide; 10. Hydraulic rod No. 3; 11. Sliding plate; 12. Baffle; 13. Mounting block; 14. Anti-skid plate; 701. Articulated block; 702. Articulated plate; 703. Support block No. 1; 704. Support block No. 2; 705. Support block No. 3; 706. Fixing nut. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Reference Figure 1-4 The utility model provides an embodiment: a flexible hydraulic support with high stability, comprising a support base plate 1, a support plate 2 is hingedly provided at the rear side of the upper end of the support base plate 1, a No. 2 hydraulic rod 6 is fixedly provided at both sides of the front end of the support base plate 1, a mounting block 13 is fixedly provided at the rear end of the support base plate 1, and an anti-skid plate 14 is fixedly provided at the rear end of the mounting block 13 by threads, a plurality of fixed plates 4 are fixedly provided at both sides of the support base plate 1, a threaded rod 5 is threadedly provided at the middle part of the plurality of fixed plates 4, a slide groove 9 is opened in the middle part of the lower end of the support plate 2, a sliding plate 11 is slidably provided inside the slide groove 9, a baffle 12 is hingedly provided at the front end of the sliding plate 11, and a No. 3 hydraulic rod 10 is fixedly provided at both sides of the rear end of the sliding plate 11, a plurality of No. 1 hydraulic rods 3 are hingedly provided at the middle part of the upper end of the support base plate 1, a spring 8 is fixedly provided at the upper end position of the outer surface of the plurality of No. 1 hydraulic rods 3 by threads, and the upper end of the No. 1 hydraulic rod 3 is hingedly fixed to the support plate 2.
[0031] The device is provided with a support plate 2, which can support the upper wall surface; the support mechanism 7 can support the front of the front end; the anti-skid plate 14 is conducive to supporting the bracket after being inserted into the ground to prevent the bracket from tipping backwards; a fixing plate 4 and a threaded rod 5 are also provided, which are conducive to strengthening the connection strength between the overall bracket and the ground, greatly improving the overall stability of the device; the bracket bottom plate 1 is conducive to the installation of the support plate 2; the No. 2 hydraulic rod 6 is conducive to adjusting the length of the support mechanism 7; the mounting block 13 is conducive to the threaded installation of the anti-skid plate 14; the fixing plate 4 is conducive to cooperating with the threaded rod 5 to fix the device to the ground; the slide groove 9 is conducive to the sliding plate 11 sliding forward and backward; the sliding plate 11 is conducive to adjusting the length of the support plate 2; the baffle 12 is conducive to supporting the front end earth wall; the No. 1 hydraulic rod 3 is conducive to adjusting the angle of the support plate 2; the spring 8 is conducive to being used in conjunction with the hydraulic rod, which is conducive to producing a buffering effect on the pressure generated at the upper end; and the hinged installation is conducive to adjusting the angle of the support plate 2.
[0032] Reference Figure 1-2 A supporting mechanism 7 is fixedly provided at the front end of the two No. 2 hydraulic rods 6, and the supporting mechanism 7 includes a No. 1 supporting block 703, a No. 2 supporting block 704 is hingedly provided at the upper end of the No. 1 supporting block 703, and a No. 3 supporting block 705 is hingedly provided at the upper end of the No. 2 supporting block 704. Fixing nuts 706 are threadedly provided on both sides of the front ends of the No. 1 supporting block 703, the No. 2 supporting block 704 and the No. 3 supporting block 705, and a hinge plate 702 is fixedly provided at the rear end of the No. 1 supporting block 703, and a hinge block 701 is hingedly provided at the rear end of the hinge plate 702, and the rear end of the hinge block 701 is fixed to the No. 2 hydraulic rod 6.
[0033] The support mechanism 7 is provided with a plurality of support blocks with adjustable angles, which is conducive to fixing after fitting to the front wall during mining, thereby increasing the force-bearing area and improving stability. Support block No. 1 703, support block No. 2 704 and support block No. 3 705 are conducive to adjusting the angle according to the shape of the front earth wall, which is conducive to better fitting to the earth wall and enhancing stability. The hinged plate 702 is conducive to cooperating with the hinged block 701 to adjust the angle of the support block, and the No. 2 hydraulic rod 6 is conducive to adjusting the position of the hinged block 701.
[0034] Working principle: When using this device, move the bracket to the position that needs support, nail the threaded rod 5 into the ground, and then adjust the angle of the anti-skid plate 14 so that one end of the anti-skid plate 14 is inserted into the ground in a supporting shape, and the other end supports the bracket. Then fix the anti-skid plate 14 with screws, and then start the No. 1 hydraulic rod 3 to drive the upper support plate 2 to support the upper wall, start the No. 2 hydraulic rod 6 to drive the support mechanism 7 to fit and support the front wall, loosen the screws of each support block, adjust the angle and then re-fix the screws, after fitting with the wall, fix the fixing nut 706 to the wall to enhance stability. This device can better meet the pressure range of the hydraulic support, and at the same time combines the anti-slip device to stabilize the bracket, so that the hydraulic support is better stabilized, thereby improving the safety of coal mining.
[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A flexible hydraulic support with high stability, comprising a support bottom plate (1), characterized in that: A support plate (2) is hingedly provided at the rear side of the upper end of the support bottom plate (1), and No. 2 hydraulic rods (6) are fixedly provided at both sides of the front end of the support bottom plate (1), and support mechanisms (7) are fixedly provided at the front ends of the two No. 2 hydraulic rods (6); A mounting block (13) is fixedly arranged at the rear end of the bracket bottom plate (1), and an anti-slip plate (14) is fixedly arranged at the rear end of the mounting block (13) by means of threads. The supporting mechanism (7) comprises a No. 1 supporting block (703), a No. 2 supporting block (704) is hingedly arranged at the upper end of the No. 1 supporting block (703), a No. 3 supporting block (705) is hingedly arranged at the upper end of the No. 2 supporting block (704), and fixing nuts (706) are threadedly arranged at both sides of the front ends of the No. 1 supporting block (703), the No. 2 supporting block (704) and the No. 3 supporting block (705). A plurality of fixing plates (4) are fixedly arranged at both sides of the bracket bottom plate (1), and a threaded rod (5) is threadedly arranged at the middle of the plurality of fixing plates (4).
2. A flexible hydraulic support with high stability according to claim 1, characterized in that: A sliding groove (9) is provided in the middle of the lower end of the support plate (2), and a sliding plate (11) is slidably arranged inside the sliding groove (9).
3. A flexible hydraulic support with high stability according to claim 2, characterized in that: A baffle plate (12) is hingedly provided at the front end of the sliding plate (11), and three hydraulic rods (10) are fixedly provided at both sides of the rear end of the sliding plate (11).
4. The flexible hydraulic support with high stability according to claim 1, characterized in that: A plurality of No. 1 hydraulic rods (3) are hingedly arranged at the middle position of the upper end of the bracket bottom plate (1), and springs (8) are fixedly arranged at the upper positions of the outer surfaces of the plurality of No. 1 hydraulic rods (3) via threads.
5. The flexible hydraulic support with high stability according to claim 1, characterized in that: A hinge plate (702) is fixedly provided at the rear end of the first support block (703), and a hinge block (701) is hingedly provided at the rear end of the hinge plate (702).
6. A flexible hydraulic support with high stability according to claim 5, characterized in that: The rear end of the hinge block (701) is fixed to the second hydraulic rod (6).
7. A flexible hydraulic support with high stability according to claim 4, characterized in that: The upper end of the No. 1 hydraulic rod (3) is hingedly fixed to the support plate (2).