CN211851876U

CN211851876U - Coal face crossheading advance support structure

Info

Publication number: CN211851876U
Application number: CN201922236049.8U
Authority: CN
Inventors: 韩俊效
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-11-03
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a coal face crossheading advance support structure relates to colliery support device technical field, comprising a base plate, the upper surface of bottom plate is provided with first fixed block, the first dabber of upper end fixedly connected with of first fixed block, the outside of first dabber is rotated and is connected with first linking bridge, the upper end fixed mounting of first linking bridge has high jack, the upper end fixed mounting of high jack has the second linking bridge, the inboard of second linking bridge is rotated and is connected with the second dabber, the outside fixedly connected with second fixed block of second dabber, the upper end fixed mounting of second fixed block has the roof of strutting, compare with prior art, the beneficial effects of the utility model are that: when the top surface in advance tunnel is the inclined plane, through the inclination that changes the roof of strutting for the roof of strutting can laminate the top surface in advance tunnel more, make and obtain bigger area of contact between advance supporting construction and the advance tunnel top surface, increase the security in advance tunnel.

Description

Coal face crossheading advance support structure

Technical Field

The utility model relates to a colliery supporting equipment technical field specifically is a coal face crossheading advance support structure.

Background

The advanced supporting structure is a structure for supporting an advanced roadway, the advanced roadway is a roadway tunneled at a certain distance from a coal face, and the advanced supporting means pre-supporting a rock-soil body which is not yet excavated so as to prevent the rock-soil body from falling or caving during excavation. The top plate at the top of the existing coal face crossheading advance support structure is usually horizontally lifted, so that the top surface of an advance roadway is difficult to support when the top surface of the advance roadway is in an inclined state, and when the top plate is inclined, the support structure can only support the lowest point of the top surface, so that the contact area between the support structure and the top surface of the advance roadway is too small, and the stability of the advance roadway is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal face crossheading advance support structure to solve and be difficult to strut when the top surface in advance tunnel is the tilt state, when strutting the slope, support structure often can only support the minimum of top surface, leads to the area of contact undersize of support structure and advance tunnel top surface, influences the problem of the stability in advance tunnel.

In order to achieve the above object, the utility model provides a following technical scheme: a coal face crossheading advance support structure comprises a bottom plate, wherein a first fixed block is arranged on the upper surface of the bottom plate, a first mandrel is fixedly connected to the upper end of the first fixed block, a first connecting support is rotatably connected to the outer side of the first mandrel, a height jack is fixedly mounted at the upper end of the first connecting support, a second connecting support is fixedly mounted at the upper end of the height jack, a second mandrel is rotatably connected to the inner side of the second connecting support, a second fixed block is fixedly connected to the outer side of the second mandrel, a support top plate is fixedly mounted at the upper end of the second fixed block, a third fixed block is arranged at one end of the upper surface of the bottom plate, a third mandrel is fixedly connected to the upper end of the third fixed block, a third connecting support is rotatably connected to the outer side of the third mandrel, and a first steering jack is fixedly mounted at the upper end of the third connecting support, the upper end fixed mounting that first turns to the jack has the fourth linking bridge, the inboard of fourth linking bridge is rotated and is connected with the fourth dabber, the outside fixedly connected with fourth fixed block of fourth dabber, the lower surface of strutting the roof is provided with the fifth fixed block, the outside fixedly connected with fifth dabber of fifth fixed block, the outside of fifth dabber is rotated and is connected with the fifth linking bridge, the outside fixedly connected with second of fifth linking bridge turns to the jack, the second turns to the lower extreme fixed mounting of jack and has the sixth linking bridge, the inboard rotation of lower extreme of sixth linking bridge is connected with the sixth dabber, the outside fixedly connected with sixth fixed block of sixth dabber.

Preferably, the ground anchor is inserted into the inner side of the bottom plate, an external thread is arranged on the outer side of the upper end of the ground anchor, and the lower end of the ground anchor is inserted into the ground.

Preferably, the upper end of the ground anchor is in threaded connection with a fastening nut, and the lower surface of the fastening nut is tightly attached to the upper surface of the bottom plate.

Preferably, the side face of the fourth fixed block is fixedly connected with the shell of the height jack, and one end of the sixth fixed block is fixedly connected with the outer side of the piston of the height jack.

Compared with the prior art, the beneficial effects of the utility model are that: this coal face crossheading advance support structure: can change the supporting roof height through the high jack that sets up, support in order to adapt to the not advanced roadway of co-altitude, turn to the jack through the first that sets up and the second and turn to the jack and can change the inclination of supporting the roof, when the top surface in advanced roadway is the inclined plane, through the inclination that changes the supporting roof, make the top surface that the supporting roof can laminate advanced roadway more, make obtain bigger area of contact between advanced supporting structure and the advanced roadway top surface, increase the security in advanced roadway, can fix advanced supporting structure through being provided with the earth anchor, guarantee its stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the height jack and its components of the present invention;

fig. 3 is a schematic view of a second connecting bracket according to the present invention.

In the figure: 10. a base plate; 11. a first fixed block; 12. a first mandrel; 13. a ground anchor; 14. fastening a nut; 15. a first connecting bracket; 16. a height jack; 17. a second connecting bracket; 18. a second mandrel; 19. a second fixed block; 20. supporting a top plate; 21. a third fixed block; 22. a third mandrel; 23. A third connecting bracket; 24. a first steering jack; 25. a fourth mandrel; 26. a fourth fixed block; 27. A fifth fixed block; 28. a fifth mandrel; 29. a second steering jack; 30. a sixth mandrel; 31. a sixth fixed block; 32. a fourth connecting bracket; 33. a fifth connecting bracket; 34. and a sixth connecting bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a coal face crossheading advance support structure comprises a bottom plate 10, a first fixing block 11 is arranged on the upper surface of the bottom plate 10, a first mandrel 12 is fixedly connected to the upper end of the first fixing block 11, a first connecting support 15 is rotatably connected to the outer side of the first mandrel 12, the first connecting support 15 can rotate by taking the first mandrel 12 as a circle center, a height jack 16 is fixedly mounted at the upper end of the first connecting support 15, the height jack 16 has the same structure and working principle with the existing jack, details are not repeated, the angle of the height jack 16 can be changed when the first connecting support 15 rotates, a second connecting support 17 is fixedly mounted at the upper end of the height jack 16, a second mandrel 18 is rotatably connected to the inner side of the second connecting support 17, the second mandrel 18 can rotate, a second fixing block 19 is fixedly connected to the outer side of the second mandrel 18, the second mandrel 18 can drive the second fixing block 19 to change the angle when rotating, the upper end of the second fixing block 19 is fixedly provided with a supporting top plate 20, the height jack 16 can change the height of the supporting top plate 20 to adapt to supporting of advanced roadways with different heights, the angle of the supporting top plate 20 can be driven to change when the angle of the second fixing block 19 changes, when the top surface of the advanced roadway is an inclined surface, the supporting top plate 20 can be more attached to the top surface of the advanced roadway by changing the inclination angle of the supporting top plate 20, so that a larger contact area is obtained between the advanced supporting structure and the top surface of the advanced roadway, the safety of the advanced roadway is increased, one end of the upper surface of the bottom plate 10 is provided with a third fixing block 21, the upper end of the third fixing block 21 is fixedly connected with a third mandrel 22, and the outer side of the third mandrel 22 is rotatably connected, the third connecting bracket 23 can change the angle by taking the third mandrel 22 as the center of circle, the upper end of the third connecting bracket 23 is fixedly provided with a first steering jack 24, the angle of the third connecting bracket 23 can drive the angle of the first steering jack 24 to change when changing, the upper end of the first steering jack 24 is fixedly provided with a fourth connecting bracket 32, the inner side of the fourth connecting bracket 32 is rotatably connected with a fourth mandrel 25, the fourth connecting bracket 32 can rotate outside the fourth mandrel 25, the outer side of the fourth mandrel 25 is fixedly connected with a fourth fixing block 26, the side surface of the fourth fixing block 26 is fixedly connected with the shell of the height jack 16, when the first steering jack 24 extends, the angle of the height jack 16 can rotate clockwise by taking the first mandrel 12 as the center of circle, the lower surface of the top plate 20 is provided with a fifth fixing block 27, the outer side of the fifth fixing block 27 is fixedly connected with a fifth mandrel 28, a fifth connecting bracket 33 is rotatably connected to the outer side of the fifth mandrel 28, the fifth connecting bracket 33 can rotate around the outer side of the fifth mandrel 28, a second steering jack 29 is fixedly connected to the outer side of the fifth connecting bracket 33, the second steering jack 29 can change the angle along with the fifth connecting bracket 33, a sixth connecting bracket 34 is fixedly mounted at the lower end of the second steering jack 29, a sixth mandrel 30 is rotatably connected to the inner side of the lower end of the sixth connecting bracket 34, the sixth connecting bracket 34 can change the angle around the sixth mandrel 30, a sixth fixing block 31 is fixedly connected to the outer side of the sixth mandrel 30, one end of the sixth fixing block 31 is fixedly connected to the outer side of the piston of the height jack 16, and when the second steering jack 29 extends, the supporting top plate 20 can rotate clockwise around the second mandrel 18 under the thrust action of the piston of the second steering jack 29, the angle that makes to strut roof 20 slopes gradually, it has earth anchor 13 to peg graft in the inboard of bottom plate 10, the external screw thread has been seted up in the upper end outside of earth anchor 13, the lower extreme of earth anchor 13 inserts under the ground, the upper end threaded connection of earth anchor 13 has fastening nut 14, fastening nut 14's lower surface tightly pastes the upper surface of bottom plate 10, it is inseparabler to make bottom plate 10 be connected with ground through the effect of earth anchor 13, the phenomenon of sideslipping appears when avoiding the inclined support, guarantee supporting construction's stability.

The utility model discloses when concrete implementation: when the support device is used, firstly, a place to be supported when the support device is moved needs to be supported, the ground anchor 13 is inserted into the ground, the fastening nut 14 is screwed, the fastening nut 14 can press the bottom plate 10, the position of the bottom plate 10 is fixed, the height jack 16 is lifted upwards, the piston of the height jack 16 is displaced upwards, the support top plate 20 can be propped against the top surface of an advanced roadway, if the top surface of the advanced roadway is in an inclined state, the angle of the support top plate 20 needs to be adjusted, the support top plate 20 and the top surface of the advanced roadway can be kept in a parallel state as much as possible, the support top plate 20 can rotate clockwise by taking the second mandrel 18 as a circle center under the thrust action of the piston of the second steering jack 29 by extending the second steering jack 29, and similarly, the support top plate 20 can rotate anticlockwise by retracting the second steering jack 29, can change the angle of strutting roof 20, when turning to jack 24 through the extension first, can make high jack 16's angle use first dabber 12 to carry out clockwise rotation as the centre of a circle, make high jack 16 anticlockwise rotation through shortening first turning to jack 24 on the same principle, can change the angle of strutting roof 20 and high jack 16, adjust according to actual need.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal face crossheading advance support structure, includes bottom plate (10), its characterized in that: the upper surface of the bottom plate (10) is provided with a first fixing block (11), the upper end of the first fixing block (11) is fixedly connected with a first mandrel (12), the outer side of the first mandrel (12) is rotatably connected with a first connecting support (15), the upper end of the first connecting support (15) is fixedly provided with a height jack (16), the upper end of the height jack (16) is fixedly provided with a second connecting support (17), the inner side of the second connecting support (17) is rotatably connected with a second mandrel (18), the outer side of the second mandrel (18) is fixedly connected with a second fixing block (19), the upper end of the second fixing block (19) is fixedly provided with a supporting top plate (20), one end of the upper surface of the bottom plate (10) is provided with a third fixing block (21), the upper end of the third fixing block (21) is fixedly connected with a third mandrel (22), the outer side of the third mandrel (22) is rotatably connected with a third connecting support (23), the upper end of the third connecting support (23) is fixedly provided with a first steering jack (24), the upper end of the first steering jack (24) is fixedly provided with a fourth connecting support (32), the inner side of the fourth connecting support (32) is rotatably connected with a fourth mandrel (25), the outer side of the fourth mandrel (25) is fixedly connected with a fourth fixing block (26), the lower surface of the supporting top plate (20) is provided with a fifth fixing block (27), the outer side of the fifth fixing block (27) is fixedly connected with a fifth mandrel (28), the outer side of the fifth mandrel (28) is rotatably connected with a fifth connecting support (33), the outer side of the fifth connecting support (33) is fixedly connected with a second steering jack (29), and the lower end of the second steering jack (29) is fixedly provided with a sixth connecting support (34), the inner side of the lower end of the sixth connecting support (34) is rotatably connected with a sixth mandrel (30), and the outer side of the sixth mandrel (30) is fixedly connected with a sixth fixing block (31).

2. A working face gateway advance support structure according to claim 1, characterized in that: the inner side of the bottom plate (10) is spliced with a ground anchor (13), the outer side of the upper end of the ground anchor (13) is provided with an external thread, and the lower end of the ground anchor (13) is inserted into the ground.

3. A coal face gateway advance support structure according to claim 2, characterized in that: the upper end of the ground anchor (13) is in threaded connection with a fastening nut (14), and the lower surface of the fastening nut (14) is tightly attached to the upper surface of the bottom plate (10).

4. A working face gateway advance support structure according to claim 1, characterized in that: the side surface of the fourth fixing block (26) is fixedly connected with the shell of the height jack (16), and one end of the sixth fixing block (31) is fixedly connected with the outer side of the piston of the height jack (16).