Coal mine roof supporting device
By designing the coal mine roof support device for bases, support components and fixed components, the problems of supporting inclined and concave rock walls are solved, and the effect of stabilizing support and preventing rock and soil from falling off is achieved, which improves safety.
Patent Information
- Application Number
- CN202422218914.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing coal mine roof support device cannot stably support inclined rock walls and uneven rock walls, which poses a risk of rock wall falling off and affects workers' safety.
A device including a base, a support assembly and a fixing assembly is designed. The support assembly achieves stable support for the inclined rock wall through sliders and jacks. The fixing assembly achieves close contact with the rock wall through fixing plates and yarn nets to prevent the rock and soil from falling off.
Effectively support rock walls of different inclinations to prevent large-scale falls from rock walls, ensure that the rock and soil on the rock walls do not fall, and improve safety.
Smart Images
Figure CN223089349U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mine roof support devices, and specifically refers to a coal mine roof support device. Background Technique
[0002] The coal mine roof support device is one of the key technologies to ensure the safe production of coal mines. The coal mine roof support devices mainly include types such as shed supports, props, masonry supports, shotcrete, and hydraulic supports. The roof support device is a key measure to prevent the collapse of the coal mine roof and ensure the safety of miners' lives. Effective support can significantly reduce the risk of roof accidents. Good roof support helps to maintain the continuity of mining operations, reduce operation interruptions caused by roof problems, and thus improve the production efficiency of the mine. The support device can control the deformation of the surrounding rock of the roadway, maintain the stability of the roadway, extend the service life of the roadway, and reduce the frequency of maintenance and repair. By reducing accidents and repair costs caused by roof problems, the support device helps to improve the economic benefits of the mine.
[0003] The following disadvantages have been found in the subsequent use process:
[0004] 1. The support plate cannot stably support the inclined rock wall, and there will be a large gap between some rock walls and the support plate, resulting in insufficient support capacity for the rock wall, and there is a risk that the soil of some rock walls will fall off the support plate;
[0005] 2. The rock wall is uneven, and the support plate cannot fit closely with the rock wall, and the falling of the rock and soil on the rock wall will pose a threat to the workers.
[0006] Therefore, in view of this, research and improvement are carried out on the existing structure, and a coal mine roof support device is proposed. Content of the Utility Model
[0007] The technical problem to be solved by the utility model is that it cannot support the inclined rock wall and cannot fix the floating soil on the surface of the rock wall.
[0008] To solve the above technical problems, the technical solution adopted by the utility model is: a coal mine roof support device, including a base, and further including a support component, the support component is arranged on the base, and further including a fixing component, the fixing component fixes the rock wall at the top of the coal mine.
[0009] As a further scheme of the utility model: the support component includes a plurality of sliding members slidably arranged at the top of the base, and jacks fixedly arranged at the bottoms of the corresponding sliding members.
[0010] As a further solution of the utility model: a pair of guide rails are arranged at the bottom of each of the sliding members, a stop ring is fixedly sleeved on the guide rails, a pair of grooves are arranged on one side of the sliding member, and a pair of bosses are arranged on the other side. The bosses on one side of the sliding member are slidably connected with the corresponding grooves of the adjacent sliding members.
[0011] As a further solution of the utility model: the guide rails slidably penetrate through the top of the base, through holes for the guide rails to slide are arranged on the base, and the bottom of the sliding member is fixedly arranged on the top of the jack.
[0012] As a further solution of the utility model: the fixing assembly includes a plurality of fixing plates slidably arranged on the top of the sliding member, springs fixedly arranged at the bottom of the corresponding fixing plates, and wire meshes arranged at the top of the fixing plates.
[0013] As a further solution of the utility model: a sliding strip is fixedly arranged at the bottom of the fixing plate, and a sliding groove for the sliding strip to slide is arranged on the top of the sliding member.
[0014] As a further solution of the utility model: the spring is sleeved on the sliding strip, one end of the spring is fixedly arranged on the fixing plate, and the other end is fixedly arranged on the sliding member.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0016] 1. Through the arrangement of the supporting assembly, the utility model uses a plurality of sliding members to support the inclined rock wall, can adapt to rock walls with different inclination degrees, and prevents large-scale peeling of the rock wall.
[0017] 2. Through the arrangement of the fixing assembly, through the arrangement of the fixing plates, the uneven rock wall is supported. The fixing plates will be in close contact with the rock wall. Through the arrangement of the wire meshes, the rocks on the rock wall are fixed by the wire meshes, and the threat to the safety of workers caused by the falling of the sand and soil on the rock wall is avoided. Description of the Drawings
[0018] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model, and do not constitute a limitation to the utility model. In the drawings:
[0019] Figure 1 is the overall structural schematic diagram of a coal mine roof support device of the utility model.
[0020] Figure 2 is the partial structural schematic diagram of a coal mine roof support device of the utility model Figure 1 。
[0021] Figure 3Partial structural schematic diagram of a coal mine roof support device of the present utility model Figure 2 。
[0022] Figure 4 It is a schematic diagram of the structure of part A of a coal mine roof support device of the present utility model.
[0023] In the attached drawings:
[0024] 1. Base; 2. Support assembly; 2.1 Sliding member; 2.2 Jack; 2.3 Guide rail; 2.4 Stop ring; 3. Fixing assembly; 3.1 Fixing plate; 3.2 Spring; 3.3 Screen. Specific implementation manners
[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the attached drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0026] As shown in the specification appendix Figure 1 、 2 A coal mine roof support device includes a base 1, and further includes a support assembly 2. The support assembly 2 is arranged on the base 1, and further includes a fixing assembly 3. The fixing assembly 3 fixes the rock wall at the top of the coal mine. The support assembly 2 supports most of the rock wall, and the fixing assembly 3 fixes the floating soil on the surface of the rock wall.
[0027] As shown in the specification appendix Figure 1 、 2 As shown in FIGS. 3, the support assembly 2 includes a plurality of sliding members 2.1 slidably arranged at the top of the base 1, and jacks 2.2 fixedly arranged at the bottoms of the corresponding sliding members 2.1. A pair of guide rails 2.3 are arranged at the bottoms of the plurality of sliding members 2.1, and a stop ring 2.4 is fixedly sleeved on the guide rails 2.3. The movement range of the sliding members 2.1 is limited by the arrangement of the stop ring 2.4. A pair of grooves are arranged on one side of the sliding member 2.1, and a pair of bosses are arranged on the other side. The bosses on one side of the sliding member 2.1 are slidably connected with the corresponding grooves of the adjacent sliding members 2.1, so that no slippage occurs between the sliding members 2.1. The guide rails 2.3 slidably penetrate through the top of the base 1, and through holes for the guide rails 2.3 to slide are arranged on the base 1. Through the sliding of the guide rails 2.3 on the through holes, the sliding members 2.1 can be stably lifted and lowered. The bottoms of the sliding members 2.1 are fixedly arranged on the tops of the jacks 2.2, and the bottoms of the jacks 2.2 are fixedly arranged on the base 1.
[0028] As shown in the specification appendix Figure 1 、 2As shown in FIGS. 4, the fixing component 3 includes a plurality of fixing plates 3.1 slidably arranged on the top of the sliding member 2.1, springs 3.2 fixedly arranged at the bottom of the corresponding fixing plates 3.1, and a screen 3.3 arranged at the top of the fixing plates 3.1. A slide bar is fixedly arranged at the bottom of the fixing plate 3.1, and a chute for the slide bar to slide is arranged on the top of the sliding member 2.1. The spring 3.2 is sleeved on the slide bar. By the sliding of the slide bar on the chute, the fixing plate 3.1 can be stably lifted and lowered. One end of the spring 3.2 is fixedly arranged on the fixing plate 3.1, and the other end is fixedly arranged on the sliding member 2.1. A large gap is left between the screen 3.3 and the fixing plate 3.1 to prevent the damage of the screen 3.3 caused by the movement of the fixing plate 3.1.
[0029] The working principle of the present utility model:
[0030] Move the device to the required position, then start the jack 2.2 on one side. The jack 2.2 drives the sliding member 2.1 to move upward until the fixing plate 3.1 contacts the rock wall. Then, the fixing plate 3.1 is squeezed by the rock wall, so that the slide bar at the bottom of the fixing plate 3.1 slides along the chute, and at the same time, the spring 3.2 corresponding to the bottom of the fixing plate 3.1 is compressed. Stop the corresponding jack 2.2 until the bottom of the slide bar contacts the bottom of the chute on the sliding member 2.1. Then, start the remaining jacks 2.2 in turn to drive the sliding member 2.1 to move upward, so that all the fixing plates 3.1 will contact the rock wall. At this time, the screen 3.3 will closely adhere to the rock wall to prevent some rock and soil from falling off the rock wall.
[0031] The above describes the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the creative purpose of the present utility model, without creative design, the structural manners and embodiments similar to the technical solution should all fall within the protection scope of the present utility model.
Claims
1. A coal mine roof support device, comprising a base (1), characterized in that: It further includes a support component (2) and a fixing component (3). The support component (2) is arranged on the base (1), and the fixing component (3) fixes the rock wall at the top of the coal mine. The support component (2) includes a plurality of sliding members (2.1) slidably arranged at the top of the base (1), and jacks (2.2) fixedly arranged at the bottoms of the corresponding sliding members (2.1). The fixing component (3) includes a plurality of fixing plates (3.1) slidably arranged at the tops of the sliding members (2.1), springs (3.2) fixedly arranged at the bottoms of the corresponding fixing plates (3.1), and wire meshes (3.3) arranged at the tops of the fixing plates (3.1).
2. The roof support device for coal mines according to claim 1, characterized in that: A pair of guide rails (2.3) are arranged at the bottoms of the plurality of sliding members (2.1). A stop ring (2.4) is fixedly sleeved on the guide rails (2.3). A pair of grooves are arranged on one side of the sliding member (2.1), and a pair of bosses are arranged on the other side. The boss on one side of the sliding member (2.1) is slidably connected to the corresponding groove of the adjacent sliding member (2.1).
3. The coal mine roof support device according to claim 2, characterized in that: The guide rails (2.3) slidably penetrate through the top of the base (1). Through holes for the guide rails (2.3) to slide are arranged on the base (1). The bottoms of the sliding members (2.1) are fixedly arranged at the tops of the jacks (2.2).
4. The roof support device for coal mines according to claim 1, characterized in that: Sliding strips are fixedly arranged at the bottoms of the fixing plates (3.1). Sliding grooves for the sliding strips to slide are arranged at the tops of the sliding members (2.1).
5. A coal mine roof support device according to claim 1, characterized in that: The springs (3.2) are sleeved on the sliding strips. One end of the spring (3.2) is fixedly arranged on the fixing plate (3.1), and the other end is fixedly arranged on the sliding member (2.1).