阅读说明：本技术 一种煤矿巷道用支撑装置及其实现方法 (Supporting device for coal mine tunnel and implementation method thereof ) 是由 韩玉忠 卢鑫 魏光亮 常笑笑 纪新波 乔振长 王瑞 刘鹏国 王贝贝 邵珠平 许伟 于 2021-08-20 设计创作，主要内容包括：本发明涉及巷道支撑装置技术领域,具体为一种煤矿巷道用支撑装置及其实现方法,包括底座,底座的上表面固定安装有连接架,连接架的顶端转动连接有支撑顶,底座与支撑顶之间对称固定安装有液压支杆,液压支杆的外表面套设有活动台,活动台的上表面对称固定安装有侧块,侧块的内侧开设有滑槽,两组侧块之间滑动连接有矩形块,矩形块的两侧对称固定安装有滑块,滑块插设在滑槽的内部,矩形块靠近液压支杆的一侧固定安装有锁紧块。本发明通过设置该锁紧块,在螺杆、压紧块以及矩形块的带动作用下,在液压支架支撑固定之后,通过两组锁紧块的锁定作用,从外部再次对液压支杆进行二次固定,从而大大降低了液压支杆自主收缩的概率。(The invention relates to the technical field of roadway supporting devices, in particular to a supporting device for a coal mine roadway and an implementation method thereof. According to the invention, through the arrangement of the locking blocks, under the driving action of the screw, the pressing blocks and the rectangular blocks, after the hydraulic support is supported and fixed, the hydraulic support rod is secondarily fixed from the outside through the locking action of the two groups of locking blocks, so that the probability of autonomous contraction of the hydraulic support rod is greatly reduced.)

1. The utility model provides a strutting arrangement for coal mine tunnel, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly provided with a connecting frame (2), the top end of the connecting frame (2) is rotatably connected with a supporting top (3), symmetrical fixed mounting is provided with hydraulic supporting rods (4) between the base (1) and the supporting top (3), the outer surface of each hydraulic supporting rod (4) is sleeved with a movable table (5), the upper surface of each movable table (5) is symmetrically and fixedly provided with a side block (6), the inner side of each side block (6) is provided with a sliding groove (7), two groups of side blocks (6) are slidably connected with a rectangular block (8), the two sides of each rectangular block (8) are fixedly provided with a sliding block (9), each sliding block (9) is inserted in the corresponding sliding groove (7), one side of each rectangular block (8) close to each hydraulic supporting rod (4) is fixedly provided with a locking block (10), one end of each side block (6) far away from each hydraulic supporting rod (4) is fixedly provided with a connecting plate (11), the inside of connecting plate (11) is run through and is provided with screw rod (12), the one end fixed mounting that screw rod (12) are close to rectangular block (8) has compact heap (13), the lower surface of base (1) is provided with adjustment mechanism, the inside of supporting top (3) is provided with resistance to compression mechanism.

2. The supporting device for the coal mine tunnel according to claim 1, characterized in that: one end fixed mounting that latch segment (10) was kept away from in screw rod (12) has a rotation piece (14), the outer surface symmetry fixed mounting who rotates piece (14) has extension rod (15).

3. The supporting device for the coal mine tunnel according to claim 1, characterized in that: a matching groove (16) is formed in one side, close to the pressing block (13), of the rectangular block (8), and the pressing block (13) is matched with the matching groove (16) in size.

4. The supporting device for the coal mine tunnel according to claim 1, characterized in that: and a rubber ring is fixedly arranged on the outer surface of the pressing block (13).

5. The supporting device for the coal mine tunnel according to claim 1, characterized in that: and anti-slip strips are uniformly arranged on the inner side of the locking block (10).

6. The supporting device for the coal mine tunnel according to claim 1, characterized in that: adjustment mechanism includes hydraulic stem (17), hydraulic stem (17) fixed mounting is at the upper surface of base (1), the output fixed mounting of hydraulic stem (17) has disc (18), the lower surface of base (1) has been seted up and has been accomodate groove (19), the output of hydraulic stem (17) runs through the upper surface of base (1) and extends to the inside of accomodating groove (19), the inside sliding connection who accomodates groove (19) has chassis (20), circular slot (21) have been seted up to the inside of chassis (20), disc (18) are inserted and are established the inside in circular slot (21).

7. The supporting device for the coal mine tunnel according to claim 6, characterized in that: and a friction plate (22) is fixedly arranged on the lower surface of the chassis (20).

8. The supporting device for the coal mine tunnel according to claim 1, characterized in that: resistance to compression mechanism includes rectangular channel (23), the inside at supporting top (3) is seted up in rectangular channel (23), the inside fixed mounting of rectangular channel (23) has dead lever (24), the outer fixed surface of dead lever (24) installs center block (25), is located between center block (25) and rectangular channel (23) inner wall the outer surface cover of dead lever (24) is equipped with spring (26).

9. The supporting device for the coal mine tunnel according to claim 8, characterized in that: the number of the rectangular grooves (23) is seven groups, and the seven groups of the rectangular grooves (23) are arranged at equal intervals.

10. A method of implementing a support device for a coal mine tunnel as claimed in any one of claims 1 to 9, wherein: the method comprises the following steps:

s1: when the device is used, the whole device is moved to a designated supporting position, whether angle adjustment is needed or not is judged, if angle adjustment is needed, a worker can open the hydraulic rod (17), the hydraulic rod (17) can push the chassis (20) to extend out of the accommodating groove (19), the whole device can be lifted up slowly, the worker can directly rotate the whole device to adjust under the connecting action of the disc (18) and the circular groove (21), and after the adjustment is completed, the chassis (20) is retracted into the accommodating groove (19);

s2: then the whole supporting device is unfolded and fixed, after the fixing is completed, a worker moves the movable table (5) to the connecting position of the hydraulic support rod (4), then moves the rectangular block (8), sleeves the locking block (10) on the outer surface of the hydraulic support rod (4), then rotates the screw rod (12), along with the progressive movement of the screw rod (12), the pressing block (13) can be inserted into the matching groove (16), and the rectangular block (8) drives the locking block (10) to be firmly clamped on the outer surface of the hydraulic support rod (4), so that the purpose of stability is achieved;

s3: after the fixing is finished, the supporting roof (3) can be extruded by the inner wall of the roadway, the fixing rod (24) and the spring (26) can be indirectly pressed, a compression-resistant restoring effect is generated, and then the supporting roof (3) is prevented from being seriously deformed, so that the purpose of prolonging the service life of the supporting roof (3) is achieved.

Technical Field

The invention relates to the technical field of roadway supporting devices, in particular to a supporting device for a coal mine roadway.

Background

In the process of coal mining, the arrangement of tunnel is crucial, when supporting the tunnel, all utilize hydraulic support to support basically, but current hydraulic support is at the in-process that supports, and hydraulic support is continuously receiving under the pressure effect, and the condition of independently contracting appears easily, causes the potential safety hazard, needs the staff frequently to maintain the adjustment to whole hydraulic support, greatly increased staff's work burden.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a supporting device for a coal mine roadway.

In order to achieve the purpose, the invention adopts the following technical scheme: a supporting device for a coal mine roadway comprises a base, wherein a connecting frame is fixedly arranged on the upper surface of the base, the top end of the connecting frame is rotatably connected with a supporting top, hydraulic supporting rods are symmetrically and fixedly arranged between the base and the supporting top, a movable table is sleeved on the outer surface of each hydraulic supporting rod, side blocks are symmetrically and fixedly arranged on the upper surface of the movable table, sliding grooves are formed in the inner sides of the side blocks, a rectangular block is slidably connected between the two groups of side blocks, sliding blocks are symmetrically and fixedly arranged on the two sides of the rectangular block and inserted in the sliding grooves, locking blocks are fixedly arranged on one side, close to the hydraulic supporting rods, of the rectangular block, a connecting plate is fixedly arranged at one end, far away from the hydraulic supporting rods, of each side block, a screw rod penetrates through the inner part of the connecting plate, a pressing block is fixedly arranged at one end, close to the rectangular block, of the screw rod, and an adjusting mechanism is arranged on the lower surface of the base, and a compression-resistant mechanism is arranged in the supporting top.

In order to facilitate the rotation of the screw rod, the invention has the improvement that one end of the screw rod, which is far away from the locking block, is fixedly provided with a rotating part, and the outer surface of the rotating part is symmetrically and fixedly provided with extension rods.

In order to improve the compression effect of the compression block, the invention has the improvement that one side of the rectangular block, which is close to the compression block, is provided with a matching groove, and the compression block is matched with the size of the matching groove.

In order to improve the connection effect of the pressing block and the rectangular block, the invention has the improvement that the outer surface of the pressing block is fixedly provided with a rubber ring.

In order to improve the locking effect of the locking block, the invention has the improvement that the inner side of the locking block is uniformly provided with the anti-slip strips.

In order to facilitate the angle adjustment of the whole supporting device by workers, the invention is improved in that the adjusting mechanism comprises a hydraulic rod, the hydraulic rod is fixedly arranged on the upper surface of the base, a disc is fixedly arranged at the output end of the hydraulic rod, a containing groove is formed in the lower surface of the base, the output end of the hydraulic rod penetrates through the upper surface of the base and extends into the containing groove, a chassis is connected to the inside of the containing groove in a sliding mode, a circular groove is formed in the chassis, and the disc is inserted into the circular groove.

In order to improve the friction force of the chassis, the invention improves that a friction plate is fixedly arranged on the lower surface of the chassis.

In order to improve the compression-resistant effect of the supporting roof, the invention is improved in that the compression-resistant mechanism comprises a rectangular groove, the rectangular groove is formed in the supporting roof, a fixed rod is fixedly arranged in the rectangular groove, a central block is fixedly arranged on the outer surface of the fixed rod, and a spring is sleeved on the outer surface of the fixed rod between the central block and the inner wall of the rectangular groove.

In order to ensure that the supporting roof is uniformly stressed, the invention improves the structure that the number of the rectangular grooves is seven groups, and the seven groups of the rectangular grooves are arranged at equal intervals.

An implementation method of a supporting device for a coal mine roadway comprises the following steps:

s1: when the device is used, the whole device is moved to a designated supporting position, then whether angle adjustment is needed or not is judged, if the angle adjustment is needed, a worker can open the hydraulic rod, the hydraulic rod can push the chassis to extend out of the accommodating groove, then the whole device can be slowly lifted, under the connecting action of the disc and the circular groove, the worker can directly rotate the whole device to adjust, and after the adjustment is completed, the chassis is retracted into the accommodating groove;

s2: then the whole supporting device is unfolded and fixed, after the fixing is finished, the worker moves the movable table to move the connection position of the hydraulic support rod, then moves the rectangular block, sleeves the locking block on the outer surface of the hydraulic support rod, then rotates the screw rod, along with the progressive movement of the screw rod, the pressing block can be inserted into the matching groove, and the rectangular block drives the locking block to be firmly clamped on the outer surface of the hydraulic support rod, so that the purpose of stability is achieved;

s3: after the fixing is finished, the supporting roof can be extruded by the inner wall of the roadway, the fixing rod and the spring can indirectly bear the pressure effect, the compression-resistant restoring effect is generated, the support is prevented from being ejected out and seriously deformed, and the purpose of prolonging the service life of the supporting roof is achieved.

Compared with the prior art, the invention has the advantages and positive effects that:

1. according to the invention, by arranging the locking blocks, the hydraulic support is secondarily fixed from the outside under the driving action of the screw, the pressing blocks and the rectangular blocks after the hydraulic support is supported and fixed, so that the probability of autonomous contraction of the hydraulic support is greatly reduced, the hydraulic support does not need to be frequently maintained by workers, the maintenance frequency is reduced, and the labor burden of the workers is further reduced.

2. According to the invention, by arranging the adjusting mechanism, the supporting mechanism can be adjusted under the action of the hydraulic rod and the chassis to lightly jack the device, and then the whole device is driven to rotate by utilizing the rotating action of the disc and the circular groove, so that the angle of the whole device can be conveniently adjusted by a worker, and the installation is convenient.

3. According to the invention, by arranging the compression-resistant mechanism, the toughness of the whole supporting roof can be greatly improved by utilizing the auxiliary effects of the spring and the fixed rod in the long-time stress process of the supporting roof, so that the deformation of the supporting roof is reduced, and the service life of the whole supporting device is prolonged.

Drawings

FIG. 1 is a schematic perspective view of a supporting device for a coal mine roadway according to the present invention;

FIG. 2 is a schematic cross-sectional view of a supporting device for a coal mine roadway according to the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 2 of the supporting device for the coal mine tunnel according to the present invention;

FIG. 4 is an enlarged view of the supporting device for coal mine roadway at B in FIG. 2;

FIG. 5 is a schematic view of the bottom view of FIG. 2 of a supporting device for coal mine roadway according to the present invention;

fig. 6 is an enlarged view of the C point in fig. 5 of the supporting device for the coal mine tunnel according to the present invention.

Illustration of the drawings:

1. a base; 2. a connecting frame; 3. a supporting top; 4. a hydraulic strut; 5. a movable table; 6. a side block; 7. a chute; 8. a rectangular block; 9. a slider; 10. a locking block; 11. a connecting plate; 12. a screw; 13. a compression block; 14. a rotating member; 15. an extension rod; 16. a matching groove; 17. a hydraulic lever; 18. a disc; 19. a receiving groove; 20. a chassis; 21. a circular groove; 22. a friction plate; 23. a rectangular groove; 24. fixing the rod; 25. a center block; 26. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-6, the present invention provides a technical solution: a supporting device for a coal mine roadway comprises a base 1, a connecting frame 2 is fixedly installed on the upper surface of the base 1, a supporting top 3 is rotatably connected to the top end of the connecting frame 2, hydraulic supporting rods 4 are symmetrically and fixedly installed between the base 1 and the supporting top 3, a movable table 5 is sleeved on the outer surface of each hydraulic supporting rod 4, side blocks 6 are symmetrically and fixedly installed on the upper surface of each movable table 5, sliding grooves 7 are formed in the inner sides of the side blocks 6, rectangular blocks 8 are slidably connected between the two groups of side blocks 6, sliding blocks 9 are symmetrically and fixedly installed on the two sides of each rectangular block 8, the sliding blocks 9 are inserted into the sliding grooves 7, locking blocks 10 are fixedly installed on one sides, close to the hydraulic supporting rods 4, of the rectangular blocks 8, anti-slip strips are uniformly arranged on the inner sides of the locking blocks 10, a connecting plate 11 is fixedly installed at one end, far away from the hydraulic supporting rods 4, a screw 12 penetrates through the inside of the connecting plate 11, and a pressing block 13 is fixedly installed at one end, close to the rectangular block 8, of the screw 12, in the invention, two groups of locking blocks 10 are additionally arranged on the basis of the traditional supporting device, and under the driving action of a screw 12, a pressing block 13 and a rectangular block 8, after the support device is fixed, the whole hydraulic support rod 4 can be directly clamped and fixed for the second time from the outside, and the anti-skid strips are arranged, so that the autonomous contraction degree of the hydraulic support rod 4 can be greatly reduced, the maintenance frequency of workers can be reduced, thereby greatly reducing the labor intensity of workers, one side of the rectangular block 8 close to the pressing block 13 is provided with a matching groove 16, the pressing block 13 is matched with the matching groove 16 in size, the matching groove 16 is arranged, can cooperate with compact heap 13, ensure the cooperation of being connected between compact heap 13 and the rectangular block 8, the fixed surface of compact heap 13 installs the rubber circle, and the rubber circle can make compact heap 13 be connected more closely with matching groove 16.

The end of the screw 12 far away from the locking block 10 is fixedly provided with a rotating part 14, and the outer surface of the rotating part 14 is symmetrically and fixedly provided with an extension rod 15. in the invention, the rotating part 14 and the extension rod 15 are arranged, so that a force application point can be provided when an operator needs to rotate the screw 12, and the rotating process of the whole screw 12 is more convenient.

The lower surface of the base 1 is provided with an adjusting mechanism, the adjusting mechanism comprises a hydraulic rod 17, the hydraulic rod 17 is fixedly arranged on the upper surface of the base 1, the output end of the hydraulic rod 17 is fixedly provided with a disc 18, the lower surface of the base 1 is provided with a containing groove 19, the output end of the hydraulic rod 17 penetrates through the upper surface of the base 1 and extends into the containing groove 19, the containing groove 19 is connected with a chassis 20 in a sliding manner, the chassis 20 is provided with a circular groove 21, and the disc 18 is inserted into the circular groove 21. in the invention, the lower surface of the base 1 is provided with the containing chassis 20 and is driven by the hydraulic rod 17, when the supporting angle of the supporting device needs to be adjusted, the whole device can be directly and lightly jacked up, then the whole device is directly rotated, the operation is simple and convenient, the lower surface of the chassis 20 is fixedly provided with a friction plate 22, and the friction plate 22 is arranged, the phenomenon that the chassis 20 slides when a worker rotates the equipment can be avoided.

The supporting roof 3 is internally provided with a compression resistance mechanism, the compression resistance mechanism comprises a rectangular groove 23, the rectangular groove 23 is arranged in the supporting roof 3, a fixing rod 24 is fixedly arranged in the rectangular groove 23, a center block 25 is fixedly arranged on the outer surface of the fixing rod 24, and a spring 26 is sleeved on the outer surface of the fixing rod 24 positioned between the center block 25 and the inner wall of the rectangular groove 23.

An implementation method of a supporting device for a coal mine roadway comprises the following steps:

s1: when the device is used, the whole device is moved to a designated supporting position, whether angle adjustment is needed or not is judged, if the angle adjustment is needed, a worker can open the hydraulic rod 17 at the moment, the hydraulic rod 17 can prop against the bottom disc 20 to extend out of the accommodating groove 19, then the whole device can be slowly lifted, the worker directly rotates the whole device to adjust under the connecting action of the disc 18 and the circular groove 21, and after the adjustment is completed, the bottom disc 20 is retracted into the accommodating groove 19;

s2: then the whole supporting device is unfolded and fixed, after the fixing is finished, the worker moves the movable table 5 to the joint of the hydraulic support rod 4, then moves the rectangular block 8, sleeves the locking block 10 on the outer surface of the hydraulic support rod 4, then rotates the screw 12, inserts the pressing block 13 into the matching groove 16 along with the progressive movement of the screw 12, and clamps the rectangular block 8 with the locking block 10 on the outer surface of the hydraulic support rod 4, so that the purpose of stability is achieved;

s3: after the fixing is finished, the supporting roof 3 can be extruded by the inner wall of the roadway, the fixing rod 24 and the spring 26 can indirectly bear the pressure effect, the compression-resistant restoring effect is generated, the supporting roof 3 is prevented from being seriously deformed, and the purpose of prolonging the service life of the supporting roof 3 is achieved.

The working principle is as follows: when a worker uses the supporting device, the whole device is moved to a designated supporting position, then whether angle adjustment is needed or not is judged, if the angle adjustment is needed, the worker can open the hydraulic rod 17, the hydraulic rod 17 can push the bottom plate 20 to extend out of the accommodating groove 19, then the whole device can be slowly lifted up, under the connecting action of the circular disc 18 and the circular groove 21, the worker directly rotates the whole device to adjust, after the adjustment is completed, the bottom plate 20 is retracted into the accommodating groove 19, then the whole supporting device is unfolded and fixed, after the fixation is completed, the worker moves the movable table 5 to the connecting position of the hydraulic supporting rod 4, then the rectangular block 8 is moved, the locking block 10 is sleeved on the outer surface of the hydraulic supporting rod 4, then the screw rod 12 is rotated, and along with the advance of the screw rod 12, the pressing block 13 is inserted into the matching groove 16, and take the latch segment 10 with rectangular block 8 to firmly press from both sides the surface at hydraulic pressure branch 4 to reach stable purpose, the back shore 3 can receive the extrusion of tunnel inner wall this moment, and dead lever 24 and spring 26 all can indirectly receive the pressure effect, and produce a resistance to compression answer effect, and then avoid the back shore 3 to appear serious deformation, thereby reach the purpose that prolongs back shore 3 life.

Although the present invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.