CN213298023U

CN213298023U - Stable support for underground coal mine tunneling

Info

Publication number: CN213298023U
Application number: CN202022241275.8U
Authority: CN
Inventors: 邓振宇; 于德文; 范冬阁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-28
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a colliery is tunnelling with firm supporting in pit, including crossbeam, spill seat and hydraulic stem, the fixed surface of crossbeam is connected with the spill seat, the lower surface swing joint of spill seat has the hydraulic stem, the last fixed surface of crossbeam is connected with the rectangle frame, the inner wall swing joint of rectangle frame has the pillar, the inner wall swing joint of crossbeam has the slider, the inner wall swing joint of slider has the rotation seat, the lower fixed surface who rotates the seat is connected with the loop bar. This colliery is tunnelling in pit with firm supporting, through the cooperation setting between crossbeam, spill seat and the hydraulic stem, can tentatively support the crossbeam, through crossbeam, slider, rotate the cooperation setting between seat, loop bar and the bracing piece, can make loop bar and bracing piece rotate foldingly to make the device can be convenient for fold, portable and transport, and loop bar and bracing piece have played the purpose of supporting the crossbeam.

Description

Stable support for underground coal mine tunneling

Technical Field

The utility model relates to a colliery is support technical field in the pit, specifically is a colliery is tunnelling in the pit with firm supporting.

Background

Tools such as crowbars, ocean picks and the like are required to be arranged on each tunneling working face for underground coal mine tunneling, before the tunneling working face enters the working face, a person who is responsible for production experience is required to knock off and ask for jacking, floating gangue live rocks are thoroughly removed, operation can be carried out, if the floating gangue is treated and is possibly dangerous or meets movable carbon blocks which cannot be pried, temporary supports must be arranged firstly, any person cannot operate under the condition of hidden danger, when the jacking slope meets large broken gangue or gangue separation layers, the temporary supports must be arranged firstly, after safety is guaranteed, the tunneling working face is slowly found along cracks, and hard planing and forced excavation are not carried out.

The colliery roof of present colliery tunnelling usefulness in the pit mainly has concrete column and post etc, concrete column weight is great, it is inconvenient to carry, the bearing capacity discreteness of post is great, the bearing capacity of log is also limited, and decay easily, current colliery roof supporting construction has the problem of being not convenient for carry, and be not convenient for fold, thereby be not convenient for carry, and the bottom of current colliery roof supporting leg has the problem of being not convenient for adjust, there is certain limitation, and the top that colliery roof was strutted is not convenient for fix the position of pillar.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a colliery is tunnelling with firm supporting in pit has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a stable support for underground excavation of a coal mine comprises a cross beam, a concave seat and a hydraulic rod, wherein the surface of the cross beam is fixedly connected with the concave seat, the lower surface of the concave seat is movably connected with a hydraulic rod, the upper surface of the cross beam is fixedly connected with a rectangular frame, the inner wall of the rectangular frame is movably connected with a pillar, the inner wall of the cross beam is movably connected with a slide block, the inner wall of the sliding block is movably connected with a rotating seat, the lower surface of the rotating seat is fixedly connected with a loop bar, the inner wall of the loop bar is movably connected with a supporting bar, the bottom of the supporting bar is movably connected with a fixing plate, the lower surface of the fixing plate is fixedly connected with a mounting plate, the surface of the supporting rod is provided with a threaded hole, the surface threaded connection of loop bar has adjusting bolt, the equal fixedly connected with side branch in both sides of bracing piece, the equal threaded connection in both sides of the upper surface of crossbeam has spacing bolt.

Optionally, both ends of the beam are fixedly connected with protective frames through bolts.

Optionally, one end of the adjusting bolt penetrates through the inner wall of the loop bar and is in threaded connection with the inner wall of the threaded hole.

Optionally, the number of the side supporting rods is two, and the two side supporting rods are symmetrically arranged by taking the vertical central line of the supporting rod as a symmetry axis.

Optionally, the bottom of the hydraulic rod is fixedly connected with a fixed support.

Optionally, the surface of the mounting plate is provided with a mounting hole.

(III) advantageous effects

The utility model provides a colliery is tunnelling with firm supporting in pit possesses following beneficial effect:

1. this colliery is tunnelling in pit with firm supporting, through the cooperation setting between crossbeam, spill seat and the hydraulic stem, can tentatively support the crossbeam, through crossbeam, slider, rotate the cooperation setting between seat, loop bar and the bracing piece, can make loop bar and bracing piece rotate foldingly to make the device can be convenient for fold, portable and transport, and loop bar and bracing piece have played the purpose of supporting the crossbeam.

2. This colliery is tunnelling in pit with firm supporting, through the cooperation setting between crossbeam, rectangle frame and the pillar, can fix the position of pillar through the rectangle frame, through the cooperation setting between loop bar, bracing piece, fixed plate and the mounting panel, can make fixed plate and mounting panel can carry out rotation regulation, consequently can adapt to the installation environment of multiple difference, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the loop bar of the present invention;

FIG. 3 is a schematic view of the cross beam structure of the present invention;

FIG. 4 is a schematic view of the structure of the limit bolt of the present invention;

fig. 5 is a schematic view of the concave seat structure of the present invention.

In the figure: 1. a cross beam; 2. a concave seat; 3. a hydraulic lever; 4. a rectangular frame; 5. a pillar; 6. a slider; 7. a rotating seat; 8. a loop bar; 9. a support bar; 10. a fixing plate; 11. mounting a plate; 12. a threaded hole; 13. adjusting the bolt; 14. a side strut; 15. a limit bolt; 16. a protective frame; 17. and fixing the support.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a stable support for underground coal mine tunneling comprises a cross beam 1, a concave seat 2 and a hydraulic rod 3, wherein the surface of the cross beam 1 is fixedly connected with the concave seat 2, the lower surface of the concave seat 2 is movably connected with the hydraulic rod 3, and the cross beam 1 can be preliminarily supported through the matching arrangement among the cross beam 1, the concave seat 2 and the hydraulic rod 3;

in order to fix the position of the strut 5 and avoid the left and right sliding of the strut, the utility model is characterized in that a rectangular frame 4 is fixedly connected on the upper surface of the beam 1, the strut 5 is movably connected on the inner wall of the rectangular frame 4, and the position of the strut 5 can be fixed through the rectangular frame 4 by the matching arrangement among the beam 1, the rectangular frame 4 and the strut 5;

in order to facilitate the folding of the utility model, thereby facilitating the carrying and the carrying, therefore, the inner wall of the beam 1 is movably connected with the slide block 6, the inner wall of the slide block 6 is movably connected with the rotating seat 7, the lower surface of the rotating seat 7 is fixedly connected with the loop bar 8, the inner wall of the loop bar 8 is movably connected with the support bar 9, the loop bar 8 and the support bar 9 can be rotated and folded through the matching arrangement among the beam 1, the slide block 6, the rotating seat 7, the loop bar 8 and the support bar 9, thereby facilitating the folding and the carrying of the device, and the loop bar 8 and the support bar 9 play the role of supporting the beam 1;

in order to facilitate the rotary adjustment of the mounting plate 11 and the installation of the utility model, the bottom of the supporting rod 9 is movably connected with a fixing plate 10, the lower surface of the fixing plate 10 is fixedly connected with a mounting plate 11, the fixing plate 10 and the mounting plate 11 can be rotatably adjusted through the matching arrangement between the loop bar 8, the supporting rod 9, the fixing plate 10 and the mounting plate 11, so that the utility model can be adapted to various installation environments and is convenient to use, the surface of the supporting rod 9 is provided with a threaded hole 12, the surface of the loop bar 8 is in threaded connection with an adjusting bolt 13, both sides of the supporting rod 9 are both fixedly connected with side supporting rods 14, both sides of the upper surface of the crossbeam 1 are both in threaded connection with a limiting bolt 15, both ends of the crossbeam 1 are both in threaded connection with a protective frame 16 through bolts, one end of the adjusting bolt 13 penetrates through, the number of the side supporting rods 14 is two, the two side supporting rods 14 are symmetrically arranged by taking the vertical center line of the supporting rod 9 as a symmetry axis, the bottom of the hydraulic rod 3 is fixedly connected with a fixed support 17, and the surface of the mounting plate 11 is provided with mounting holes.

In conclusion, the stable support for underground coal mine tunneling comprises the following use steps:

1. the device can preliminarily support the crossbeam 1 through the hydraulic rod 3, and the loop bar 8 and the support bar 9 can be rotated and folded through the matching arrangement among the crossbeam 1, the slide block 6, the rotating seat 7, the loop bar 8 and the support bar 9, so that the device can be conveniently folded and carried, and the loop bar 8 and the support bar 9 play a role in supporting the crossbeam 1;

2. the device can fix the position of the support post 5 through the rectangular frame 4, and plays a role in supporting through the support post 5;

3. the device can make fixed plate 10 and mounting panel 11 can carry out rotation regulation, consequently can adapt to the installation environment of multiple difference, convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a colliery is tunnelling in pit with firm supporting, includes crossbeam (1), spill seat (2) and hydraulic stem (3), its characterized in that: the surface of the beam (1) is fixedly connected with a concave seat (2), the lower surface of the concave seat (2) is movably connected with a hydraulic rod (3), the upper surface of the beam (1) is fixedly connected with a rectangular frame (4), the inner wall of the rectangular frame (4) is movably connected with a pillar (5), the inner wall of the beam (1) is movably connected with a slider (6), the inner wall of the slider (6) is movably connected with a rotating seat (7), the lower surface of the rotating seat (7) is fixedly connected with a loop bar (8), the inner wall of the loop bar (8) is movably connected with a support rod (9), the bottom of the support rod (9) is movably connected with a fixed plate (10), the lower surface of the fixed plate (10) is fixedly connected with a mounting plate (11), a threaded hole (12) is formed in the surface of the support rod (9), and an adjusting bolt (13) is, the supporting rod is characterized in that side supporting rods (14) are fixedly connected to the two sides of the supporting rod (9), and limiting bolts (15) are connected to the two sides of the upper surface of the cross beam (1) in a threaded mode.

2. The steady support for coal mine underground tunneling according to claim 1, characterized in that: and two ends of the cross beam (1) are fixedly connected with protective frames (16) through bolts.

3. The steady support for coal mine underground tunneling according to claim 1, characterized in that: one end of the adjusting bolt (13) penetrates through the inner wall of the sleeve rod (8) and is in threaded connection with the inner wall of the threaded hole (12).

4. The steady support for coal mine underground tunneling according to claim 1, characterized in that: the number of the side supporting rods (14) is two, and the two side supporting rods (14) are symmetrically arranged by taking the vertical central line of the supporting rod (9) as a symmetry axis.

5. The steady support for coal mine underground tunneling according to claim 1, characterized in that: the bottom of the hydraulic rod (3) is fixedly connected with a fixed support (17).

6. The steady support for coal mine underground tunneling according to claim 1, characterized in that: the surface of the mounting plate (11) is provided with mounting holes.