A mine pillar reinforcing device with high compression resistance

Abstract

The present application relates to the technical fields of mine reinforcement, and discloses a mine pillar reinforcing device with high compression resistance, which comprises support assemblies arranged on both sides of a mine tunnel, a top protection mechanism arranged between the top of the two support assemblies, a top reinforcing mechanism arranged at the bottom of the top protection mechanism and connected with the support assemblies, and side protection assemblies arranged on the sides of the two support assemblies away from each other. In the process of supporting the tunnel, the present application can automatically adjust the contact angle according to the inclined position of the inner sidewall of the tunnel, so that the surface of the support part can be in contact with the inner wall of the tunnel as much as possible during the supporting process, thereby improving the fixing firmness of the tunnel support. The top and outer side of the hydraulic pillar are isolated and protected, so as to avoid the damage of the equipment and the safety of the personnel caused by the falling of the stones, dust and other foreign matters in the tunnel due to vibration, effectively protect the tunnel, and improve the compression resistance.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mine reinforcement, in particular to a mine pillar reinforcement device with strong compression resistance. BACKGROUND

[0002] Many single hydraulic props are needed in a mining area for support. In actual use, the inner side wall of the roadway top is often in an inclined state. The top of the traditional single hydraulic prop does not completely contact the inner side wall of the roadway top when supporting, the contact is insufficient, the top of the single hydraulic prop is unevenly stressed, and the reinforcement pressure bearing effect is poor. Meanwhile, in the mining process, the roadway is prone to falling of stones, dust and other foreign matters, which endangers the roadway equipment and personnel. Therefore, a mine pillar reinforcement device with strong compression resistance is needed. SUMMARY

[0003] To solve the technical problems that the top of the traditional single hydraulic prop does not completely contact the inner side wall of the roadway top when supporting, the contact is insufficient, the top of the single hydraulic prop is unevenly stressed, and the reinforcement pressure bearing effect is poor, and that in the mining process, the roadway is prone to falling of stones, dust and other foreign matters, which endangers the roadway equipment and personnel, the present application provides a mine pillar reinforcement device with strong compression resistance.

[0004] The present application adopts the following technical scheme: a mine pillar reinforcement device with strong compression resistance, the side protection assembly comprises a side baffle, an extension channel one opened at the bottom of the side baffle, an extension plate fixed at the top of the side baffle and arranged upwardly and obliquely, an extension channel two opened at the top of the extension plate, a frame one of annular structure fixed at one side of the side baffle and extending along the edge position of the side baffle, two groups of movable rods arranged in the horizontal direction and arranged in the frame one, a support ring movably sleeved at the outer circle of the movable rod and fixed with the side baffle, a locking pipe threadedly sleeved at one end of the movable rod, and a blocking ring fixedly sleeved at the outer circle of the locking pipe.

[0005] As a further improvement of the above-mentioned scheme, the side protection assembly comprises a side baffle, an extension channel one opened at the bottom of the side baffle, an extension plate fixed at the top of the side baffle and arranged upwardly and obliquely, an extension channel two opened at the top of the extension plate, a frame one of annular structure fixed at one side of the side baffle and extending along the edge position of the side baffle, two groups of movable rods arranged in the horizontal direction and arranged in the frame one, a support ring movably sleeved at the outer circle of the movable rod and fixed with the side baffle, a locking pipe threadedly sleeved at one end of the movable rod, and a blocking ring fixedly sleeved at the outer circle of the locking pipe.

[0006] Through the technical scheme, the support assembly is installed along the length direction of the roadway in sequence, then the side protection assembly is installed outside the support assembly and is fixedly connected with the support assembly by using the connecting mechanism, then the positioning protection mechanism is installed above the support assembly and is connected with the support assembly by using the top reinforcing mechanism, and in the process of installing the support assembly, the support adjusting mechanism is adjusted when being in contact with the inner wall of the roadway top, so that the support adjusting mechanism is ensured to be in contact with the inner wall of the roadway during the support process, the support firmness is improved, and the compression resistance is improved.

[0007] As a further improvement of the above scheme, the connecting mechanism comprises a contact plate in a U-shaped structure which is slidingly sleeved with the side protection assembly, a through hole one which is formed at both ends of the opening of the contact plate, an L-shaped pull rod one which is slidingly sleeved on the through hole one, and a clamping seat two which is connected with the connecting seat one at the other end of the pull rod one.

[0008] Through the technical scheme, the side baffle is connected with the base column in an X extrusion and tensioning mode, the connection is firm, and the installation operation is convenient.

[0009] As a further improvement of the above scheme, the support adjusting mechanism comprises a base which is fixedly connected with the top of the hydraulic column, an expansion groove in a conical structure which is formed at the top of the base column, a receiving groove in a spherical structure which is formed at the bottom of the expansion groove, a groove which is formed on the inner side wall at the bottom of the receiving groove, a ball which is slidingly sleeved in the receiving groove, a guide pipe which is fixedly connected with the top of the ball, a pressing rod which is movably sleeved in the inner circle of the guide pipe, a pressing plate which is fixedly connected with the top of the pressing rod, an installation groove which is formed at the bottom of the ball, a clamping plate which is slidingly sleeved on the installation groove, and a push-pull rod which is fixedly connected with the top of the clamping plate and movably sleeved with the ball, and the push-pull rod is fixedly connected with the bottom of the pressing rod after extending into the guide pipe.

[0010] Through the technical scheme, the inclination position of the pressing plate can be automatically adjusted according to the inclination state of the inner side wall of the roadway top, the pressing plate is fully in contact with the inner side wall of the roadway top, and the contact area during the roadway support process is improved.

[0011] As a further improvement of the above scheme, the bottom of the pressing plate is provided with a spring one which is distributed in the circumferential direction of the pressing rod and is fixedly connected with the top of the base, the pressing rod extends into the bottom of one end of the guide pipe and is fixedly connected with the ball, the clamping plate is in an arc-shaped structure, the bottom of the clamping plate is fixedly connected with arrayed clamping teeth, the cross section of the clamping teeth is in a square-shaped pointed cone structure, the inner side wall of the groove is provided with arrayed clamping grooves, and the clamping grooves are clamped with the clamping teeth.

[0012] As a further improvement of the above scheme, the top protection mechanism comprises two groups of top cover plates connected with the top reinforcing mechanism, a set of locking grooves two opened on one side of the extension channel three away from the opening of the extension channel three, a set of vertical plates each fixed on the bottom of one side of the two groups of top cover plates away from each other, and a set of locking grooves one opened on one side of the vertical plate close to the extension plate.

[0013] Through the above technical scheme, the roadway is isolated and protected from the top, avoiding the falling of stones, dust and other foreign matters to the roadway to cause harm to personnel and equipment, and improving the safety of the roadway.

[0014] As a further improvement of the above scheme, the clamping seat two is in U-shaped structure, and the clamping seat two is detachably connected with the connecting seat one through the latch clamping mode, and the structure of the clamping seat two is consistent with that of the clamping seat one.

[0015] Through the above technical scheme, the latch mode is adopted for connection, which is convenient for installation and disassembly.

[0016] As a further improvement of the above scheme, the bottom plate is provided with an inclined slope surface on one side adjacent to the side protection assembly, and the inner side wall of the side frame one is provided with a threaded hole one threadedly connected with the outer circle of the adjacent locking pipe.

[0017] Through the above technical scheme, the adjacent side protection assemblies are conveniently connected and docked, and the side protection assembly is conveniently placed on the bottom plate.

[0018] As a further improvement of the above scheme, the width of the extension channel two is consistent with the diameter of the base column, one end of the extension channel two away from the opening is in semicircular structure, and the cross section of the extension channel one is consistent with the cross section of the bottom plate.

[0019] As a further improvement of the above scheme, the width of the extension channel three is consistent with the diameter of the base column, and one end of the extension channel three away from the opening is in semicircular structure.

[0020] Through the above technical scheme, the extension channel three and the extension channel two can be circumferentially abutted to the outer circle of the base column during connection, so that the top cover plate and the extension plate are tightly connected with the base column during connection, and the falling of dust and foreign matters from the connection contact is prevented.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows:

[0022] 1. The application can automatically adjust the contact angle according to the inclination position of the sidewall in the roadway during the process of supporting the roadway, so that the surface of the supporting part is in contact with the inner wall of the roadway as much as possible during the supporting process, and the firmness of the roadway support is improved.

[0023] 2. The application isolates and protects from the top and outside of the hydraulic prop, avoids the damage of equipment and the safety of personnel caused by the falling of stones, dust and other foreign matters in the roadway due to vibration, effectively protects the roadway, is convenient to install and operate, is firmly and stably connected, and improves the compression resistance. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A structure diagram of a mine prop reinforcing device with high compression resistance provided by the application is provided.

[0025] Figure 2 A structure diagram of a local amplification at A provided by the application is provided.

[0026] Figure 3 A structure diagram of a local amplification at B provided by the application is provided.

[0027] Figure 4 A structure diagram of a side protection assembly provided by the application is provided.

[0028] Figure 5 A structure diagram of the connection of the movable rod, the locking pipe and the blocking ring provided by the application is provided.

[0029] Figure 6 A structure diagram of a top protection mechanism provided by the application is provided.

[0030] MAIN SYMBOL EXPLANATION

[0031] 11 base, 12 base column, 13 hydraulic column, 14 support adjusting mechanism, 15 connecting seat two, 16 connecting seat one, 17 baffle, 21 side baffle, 22 extension plate, 23 extension channel two, 24 extension channel one, 25 frame one, 26 support ring, 27 movable rod, 28 locking pipe, 29 blocking ring, 31 contact plate, 32 through hole one, 33 pull rod one, 34 clamping seat two, 41 support shaft, 42 swing rod, 43 inclined support, 44 clamping seat one, 45 tension rod one, 46 tension rod two, 47 connecting column one, 48 locking rod two, 49 locking rod one, 51 top cover plate, 52 vertical plate, 53 locking groove one, 54 lap plate, 55 extension channel three, 56 locking groove two, 61 base, 62 expansion groove, 63 storage groove, 64 groove, 65 ball, 66 guide pipe, 67 installation groove, 68 clamping plate, 69 push-pull rod, 610 compression rod, 611 compression plate. DETAILED DESCRIPTION

[0032] The application will be further described below in conjunction with the drawings and specific embodiments, and it should be noted that the following described embodiments or technical features can be combined in any manner to form new embodiments without conflict.

[0033] Embodiment 1:

[0034] Please combine Figures 1-6 The mine pillar reinforcing device with strong compression resistance of the embodiment comprises support assemblies arranged on both sides of a mine tunnel, a top protection mechanism arranged between the top portions of the two support assemblies, a top reinforcing mechanism arranged at the bottom of the top protection mechanism and connected with the support assemblies, side protection assemblies arranged on the sides of the two support assemblies away from each other, and connecting mechanisms arranged between the side protection assemblies and the support assemblies.

[0035] The support assembly comprises a base 11, a base column 12 fixed to the top of the base 11, a hydraulic column 13 slidingly sleeved in the inner ring of the top of the base column 12, a support adjusting mechanism 14 fixed to the top of the hydraulic column 13, a connecting seat one 16 fixed to the side of the base column 12 close to the side protection assembly, a baffle 17 arranged at the bottom of the connecting seat one 16 and fixed to the top of the base 11, and a connecting seat two 15 fixed to the side of the base column 12 away from the side protection assembly.

[0036] The top reinforcing mechanism comprises a support shaft 41, two sets of swing rods 42 movably sleeved in the outer ring of the support shaft 41, a clamping seat one 44 fixed to the bottom of each of the two sets of swing rods 42, an L-shaped tension rod one 45 fixed to the top of each of the two sets of swing rods 42, a locking rod one 49 fixed to the other end of the tension rod one 45, an inclined brace 43 rotatably connected to the swing rod 42, a locking rod two 48 fixed to the other end of the inclined brace 43, a tension rod two 46 rotatably connected to one of the swing rods 42, and a connecting column one 47 fixed to the other swing rod 42.

[0037] The side protection assembly comprises a side baffle 21, an extension channel one 24 formed in the bottom of the side baffle 21, an extension plate 22 fixed to the top of the side baffle 21 and arranged obliquely upward, an extension channel two 23 formed in the top of the extension plate 22, an annular frame one 25 fixed to one side of the side baffle 21 and extending along the edge position of the side baffle 21, two sets of movable rods 27 arranged in the horizontal direction inside the annular frame one 25, a support ring 26 movably sleeved in the outer ring of the movable rods 27 and fixed to the side baffle 21, a locking pipe 28 threadedly sleeved at one end of the movable rods 27, and a blocking ring 29 fixedly sleeved in the outer ring of the locking pipe 28.

[0038] The connecting mechanism comprises a contact plate 31 of U-shaped structure slidingly sleeved with the side edge protection assembly, a through hole 32 opened at both ends of the contact plate 31, an L-shaped pull rod 33 of L-shaped structure slidingly sleeved on the through hole 32, and a clamping seat 34 fixedly connected with the other end of the pull rod 33 and connected with the connecting seat 16.

[0039] The support adjusting mechanism 14 comprises a base 61 fixedly connected with the top of the hydraulic column 13, an expansion groove 62 of conical structure opened at the top of the base 61, a receiving groove 63 of spherical structure opened at the bottom of the expansion groove 62, a groove 64 opened on the inner side wall at the bottom of the receiving groove 63, a ball 65 slidingly sleeved in the receiving groove 63, a guide pipe 66 fixedly connected with the top of the ball 65, a pressing rod 610 movably sleeved in the inner ring of the guide pipe 66, a pressing plate 611 fixedly connected with the top of the pressing rod 610, a mounting groove 67 opened at the bottom of the ball 65, a clamping plate 68 slidingly sleeved on the mounting groove 67, and a push-pull rod 69 fixedly connected with the top of the clamping plate 68 and movably sleeved with the ball 65, and the push-pull rod 69 extends into the guide pipe 66 and is fixedly connected with the bottom of the pressing rod 610.

[0040] The top protection mechanism comprises two groups of top cover plates 51 connected with the top reinforcing mechanism, the side of the two groups of top cover plates 51 away from each other is provided with an extension channel 55, a lap plate 54 is arranged at the bottom of the inner side wall of the end of the extension channel 55 and is fixedly connected with the bottom of the top cover plate 51, a locking groove 56 is opened at the side of the lap plate 54 away from the opening of the extension channel 55, the bottom of the side of the two groups of top cover plates 51 close to each other is fixedly connected with a vertical plate 52, and a locking groove 1 53 is opened at the side of the vertical plate 52 close to the lap plate 54.

[0041] In the embodiment of the present application, the implementation principle of the mine pillar reinforcing device with strong compression resistance is that the support assembly is installed along the length direction of the roadway in sequence, then the side edge protection assembly is installed outside the support assembly and is fixedly connected with the support assembly by the connecting mechanism, then the positioning protection mechanism is installed above the support assembly and is connected with the support assembly by the top reinforcing mechanism, and in the process of installing the support assembly, the support adjusting mechanism 14 adjusts its state when it is in contact with the inner wall of the roadway according to the inclination state of the inner wall of the top of the roadway, so that the contact with the inner wall of the roadway is ensured in the process of supporting, the support firmness is improved, and the compression resistance is improved.

[0042] Embodiment 2

[0043] The embodiment is further improved on the basis of embodiment 1, wherein the bottom of the pressing plate 611 is provided with springs one distributed circumferentially along the pressing rod 610 and fixed to the top of the base 61, the bottom of one end of the pressing rod 610 extending into the guide pipe 66 is fixedly connected with springs two fixedly connected with the rolling balls 65, the clamping plate 68 is of an arc structure, the bottom of the clamping plate 68 is fixedly connected with clamping teeth distributed in an array, the cross section of the clamping teeth is of a square sharp cone structure, and the inner side wall of the groove 64 is provided with clamping grooves distributed in an array and clamped with the clamping teeth;

[0044] The clamping seat two 34 is of a U-shaped structure and is detachably connected with the connecting seat one 16 in a way of being clamped by a bolt, and the structure of the clamping seat two 34 is consistent with that of the clamping seat one 44.

[0045] The top of one side of the base 11 adjacent to the side edge protection assembly is provided with an inclined slope, the inner side walls on both sides of the frame one 25 are both penetrated by threaded holes one threadedly connected with the outer circle of the adjacent locking pipe 28, the inner circle of the locking pipe 28 is provided with two groups of inner threads one symmetrically arranged thereon, and the two ends of the movable rod 27 are both provided with outer threads one threadedly connected with the adjacent inner threads one.

[0046] The width of the extension channel two 23 is consistent with the diameter of the base column 12, one end of the extension channel two 23 away from the opening is of a semicircular structure, and the cross section of the extension channel one 24 is consistent with that of the base 11.

[0047] The width of the extension channel three 55 is consistent with the diameter of the base column 12, and one end of the extension channel three 55 away from the opening is of a semicircular structure.

[0048] Working principle:

[0049] Firstly, the support assembly is installed along the length direction of the roadway, then the side edge protection assembly is installed outside the support assembly and fixedly connected with the support assembly by using the connecting mechanism, thereafter, the positioning protection mechanism is installed above the support assembly and connected with the support assembly by using the top reinforcing mechanism, and in the process of installing the support assembly, the support adjusting mechanism 14 adjusts its state when being in contact with the inner wall of the roadway according to the inclination state of the inner wall of the top of the roadway, so as to ensure the contact with the inner wall of the roadway during the supporting process, improve the supporting firmness and the compression resistance.

[0050] During the installation of the support assembly, the base 11 is placed at the predetermined position, then the working medium is inputted from the three-purpose valve arranged on the base column 12 to the inside of the base column 12 by using the pump station arranged outside, then the hydraulic column 13 is driven to be lifted upward, during the lifting, the pressing plate 611 on the support adjusting mechanism 14 first contacts the inner side wall of the roof of the roadway, at this time, when the pressing plate 611 is lifted and pressed, the inner side wall of the roof of the roadway pushes the pressing plate 611 to deflect, during the deflection, the pressing rod 610 moves relative to the length direction of the guide pipe 66, the pressing rod 610 drives the guide pipe 66 and the ball 65 to slide along the receiving groove 63, during the movement of the pressing rod 610 relative to the inside of the guide pipe 66, the push-pull rod 69 moves downward, then the clamping plate 68 is clamped with the recess 64, so that the support installation operation of the support assembly is completed, by using the above manner, the pressing plate 611 is made to contact the inner side wall of the roadway as much as possible, especially the support fixing of the inclined inner wall, so that the support strength is improved and the pressure resistance is improved;

[0051] During the installation of the side protection assembly, the side baffle 21 is pushed to the top of the base 11 along the slope side of the base 11 from the bottom of the channel one 24, then the contact plate 31 is sleeved on the outer circle of the movable rod 27, then the two groups of pull rods one 33 are crossed and sleeved with the through holes one 32 on the contact plate 31, then the other end of the pull rod one 33 is pulled, the two groups of pull rods one 33 are deflected to the sides away from each other, until the outer side of the pull rod one 33 contacts the outer side wall of the movable rod 27, at the same time, the clamping seat two 34 on the other end of the pull rod one 33 is pushed to the position of the connecting seat one 16, then the clamping seat two 34 is butted with the connecting seat one 16 by using the bolt mode, at this time, the side baffle 21 is fixed on the outside of the support assembly, at the same time, the extension channel two 23 on the extension plate 22 on the top of the side baffle 21 extends into the base column 12 from the outside of the base column 12;

[0052] In the process of installing the top protection mechanism, the top cover plate 51 is overlapped on the top of the extension plate 22, while the base column 12 is extended from the extension channel three 55, and the overlapping plate 54 is extended downward from the extension channel two 23, then the vertical plate 52 between the two sets of top cover plates 51 is in contact, then the two sets of swing rods 42 on the top reinforcement mechanism are put into the bottom between the two sets of top cover plates 51, then the swing rod 42 is deflected, the locking rod one 49 on the tension rod one 45 at the top of the swing rod 42 is extended into the locking groove one 53 on the vertical plate 52, then the inclined brace 43 is pushed, the locking rod two 48 on the inclined brace 43 is extended into the locking groove one 53 on the overlapping plate 54, at this time, the locking rod two 48 which is wider than the extension channel 23 locks the overlapping plate 54 from the bottom direction to the bottom of the extension plate 22, then the two sets of vertical plates 52 are connected in the X-shaped reverse buckle mode, after that, the clamping seat one 44 is connected with the connecting seat two 15 in the bolt mode, finally, the tension rod two 46 is deflected, the hook at the end of the tension rod two 46 is connected with the connecting column one 47, then the hook is connected with the connecting column one 47, finally, the fastening nut on the connecting column one 47 is pressed tightly;

[0053] The design can automatically adjust the contact angle according to the inclined position of the sidewall in the roadway during the process of supporting the roadway, so that the surface of the supporting part is in contact with the inner wall of the roadway as much as possible during the supporting process, the firmness of the roadway support is improved, the top and the outside of the hydraulic prop are isolated and protected, the damage of equipment and the safety of personnel caused by the falling of stones, dust and other foreign matters in the roadway due to vibration are avoided, the roadway is effectively protected, the installation operation is convenient, the connection is firm and stable, and the compression resistance is improved.

[0054] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the protection scope of the present application, and any non-essential changes and replacements made by those skilled in the art on the basis of the present application are within the protection scope of the present application.

Claims

1. A mine pillar reinforcement device having high compressive strength, characterized by, The application relates to a support assembly for a mine roadway, which comprises support assemblies arranged on both sides of the mine roadway, a top protection mechanism arranged between the top of the two support assemblies, a top reinforcing mechanism arranged at the bottom of the top protection mechanism and connected with the support assemblies, side protection assemblies arranged on the sides of the two support assemblies away from each other, and a connecting mechanism arranged between the side protection assemblies and the support assemblies. The support assembly comprises a base, a base column fixed on the top of the base, a hydraulic column slidingly sleeved in the inner ring of the top of the base column, a support adjusting mechanism fixed on the top of the hydraulic column, a connecting seat one fixed on the side of the base column close to the side protection assembly, a baffle arranged on the bottom of the connecting seat one and fixed on the top of the base, and a connecting seat two fixed on the side of the base column away from the side protection assembly. The top reinforcing mechanism comprises a support shaft, two sets of swing rods slidingly sleeved on the outer ring of the support shaft, a clamping seat one fixed on the bottom of the two sets of swing rods, an L-shaped tension rod one fixed on the top of the two sets of swing rods, a locking rod one fixed on the other end of the tension rod one, an inclined brace rotatingly connected on the swing rod, a locking rod two fixed on the other end of the inclined brace, a tension rod two rotatingly connected on one of the swing rods, and a connecting column one fixed on the other swing rod. The support adjusting mechanism comprises a base fixed on the top of the hydraulic column, a conical expansion slot arranged on the top of the base column, a spherical receiving slot arranged on the bottom of the expansion slot, a groove arranged on the inner side wall of the bottom of the receiving slot, a ball slidingly sleeved in the receiving slot, a guide pipe fixed on the top of the ball, a pressing rod slidingly sleeved in the inner ring of the guide pipe, a pressing plate fixed on the top of the pressing rod, a mounting slot arranged on the bottom of the ball, a clamping plate slidingly sleeved on the mounting slot, and a push-pull rod fixed on the top of the clamping plate and slidingly sleeved with the ball, and the push-pull rod is fixed on the bottom of the pressing rod after extending into the guide pipe.

2. A mine prop reinforcing device of high compressive strength according to claim 1, characterised in that The side protection assembly comprises a side baffle, an extending channel one arranged on the bottom of the side baffle, an extending plate fixed on the top of the side baffle and arranged in an inclined upward manner, an extending channel two arranged on the top of the extending plate, a frame one of an annular structure fixed on one side of the side baffle and extending along the edge position of the side baffle, two sets of movable rods arranged in a horizontal direction and arranged in the frame one, a support ring slidingly sleeved on the outer ring of the movable rods and fixed on the side baffle, a locking pipe threadedly sleeved on one end of the movable rod, and a blocking ring fixedly sleeved on the outer ring of the locking pipe.

3. A mine prop reinforcing device of high compressive strength according to claim 1, c h a r a c t e r i z e d in that The connecting mechanism comprises a contact plate of a U-shaped structure slidingly sleeved with the side protection assembly, a through hole one arranged on both ends of the opening of the contact plate, an L-shaped pull rod one slidingly sleeved on the through hole one, and a clamping seat two fixed on the other end of the pull rod one and connected with the connecting seat one.

4. A mine prop reinforcing device of high compressive strength according to claim 1, c h a r a c t e r i z e d in that The bottom of the pressing plate is provided with springs one distributed in a circumferential direction of the pressing rod and fixed on the top of the base, the pressing rod is fixed on the bottom of one end of the guide pipe and provided with springs two fixedly connected with the ball, the clamping plate is of an arc structure, the bottom of the clamping plate is provided with clamping teeth arranged in an array, the cross section of the clamping teeth is of a square sharp cone structure, the inner side wall of the groove is provided with clamping grooves arranged in an array, and the clamping grooves are clamped with the clamping teeth.

5. A mine prop reinforcing device of high compressive strength according to claim 1, c h a r a c t e r i z e d in that The top protection mechanism comprises two groups of top cover plates connected with the top reinforcing mechanism, three groups of extension channels opened on one side of the two groups of top cover plates away from each other, a lap plate arranged at the bottom of the inner side wall of the end of the extension channel three and fixedly connected with the bottom of the top cover plate, a locking groove two opened on one side of the lap plate away from the opening of the extension channel three, a vertical plate fixedly connected with the bottom of one side of the two groups of top cover plates close to each other, and a locking groove one opened on one side of the vertical plate close to the lap plate.

6. A mine prop reinforcing device of high compressive strength according to claim 3, c h a r a c t e r i z e d in that The clamping seat two is in U-shaped structure, and is detachably connected with the connecting seat one in a way of clamping by a latch, and the clamping seat two is consistent with the structure of the clamping seat one.

7. A mine prop reinforcing device of high compressive strength according to claim 1, c h a r a c t e r i z e d b y that The base is provided with an inclined slope on one side of the top adjacent to the side edge protection assembly, the inner side wall of the two sides of the frame one is penetrated by a threaded hole one threadedly sleeved with the outer circle of the adjacent locking pipe, the inner circle of the locking pipe is provided with two groups of inner threads one symmetrically arranged thereon, and the two ends of the movable rod are provided with outer threads one threadedly connected with the adjacent inner threads one.

8. A mine prop reinforcing device of high compressive strength according to claim 2, characterised in that, The width of the extension channel two is consistent with the diameter of the base column, and one end of the extension channel two away from the opening is in semicircular structure.

9. A mine prop reinforcing device of high compressive strength according to claim 5, characterised in that, The width of the extension channel three is consistent with the diameter of the base column, and one end of the extension channel three away from the opening is in semicircular structure.

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