CN212272254U - Temporary supporting device for roof of coal mine driving face - Google Patents

Abstract

The utility model discloses a colliery tunnelling working face roof temporary support device, including foundation, inside groove and supporting plate, the inside groove has been seted up to the top inboard of foundation, and is connected with the support column on the inside groove to the top external fixed surface of support column has the handle, the inboard of foundation is connected with first fixing bolt, and is fixed with the adapter sleeve in the bottom outside of foundation, the top of support column is connected with the bracing piece, the bottom of connecting rod is connected with second fixing bolt, the outside of supporting plate is provided with the equipment piece, and is connected with the setting element on the equipment piece. This colliery tunnelling working face roof temporary support device is provided with support column and the first fixing bolt that the internal surface is serration structure, can make the support column slide in the sill pillar inside through upwards pulling handle to the use of cooperation first fixing bolt makes things convenient for the support column to adjust the back fixed, and then makes things convenient for the device to adapt to the mine hole of co-altitude not.

Description

Temporary supporting device for roof of coal mine driving face

Technical Field

The utility model relates to a colliery correlation technique field specifically is a colliery tunnelling working face roof temporary support device.

Background

The colliery needs to support the roof at mine hole top through supporting device at the tunnelling in-process, avoids the phenomenon of mine hole collapse to take place, and to current colliery tunnelling working face roof temporary support device, still has some defects, for example:

the existing temporary supporting device is inconvenient to assemble and operate, wastes time and energy, is inconvenient to adjust the supporting width of the supporting device according to the width of a mine tunnel, is difficult to splice and prolong a supporting surface of the supporting device, has limitation in use, and provides a temporary supporting device for a roof of a coal mine tunneling working surface so as to solve the problems existing in the prior art.

Disclosure of Invention

An object of the utility model is to provide a colliery tunnelling working face roof temporary support device to it is not convenient enough to solve above-mentioned background art and propose current temporary support device equipment operation, wastes time and energy, and inconvenient width according to the width in mine cave adjusts support device's support width, and is difficult to splice extension mask to support device, and the use has the limitation problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery tunnelling working face roof temporary support device, includes sill post, inside groove and supporting plate, the inside groove has been seted up to the top inboard of sill post, and is connected with the support column on the inside groove to the top external fixed surface of support column has the handle, the inboard of sill post is connected with first fixing bolt, and the bottom outside of sill post is fixed with the adapter sleeve to be connected with on the adapter sleeve and reserve the pole, the top of support column is connected with the bracing piece, and the middle part of bracing piece is connected with the connecting rod to the outer end of connecting rod is fixed with the supporting plate, the bottom of connecting rod is connected with second fixing bolt, the outside of propping up the backplate is provided with the equipment piece, and is connected with.

Preferably, the inner side of the lower part of the support column is of a sawtooth structure, the upper part of the support column is of an arc structure, and the support column and the bottom column form a telescopic structure.

Preferably, the outer end of the first fixing bolt is of a round table-shaped structure, and the bottom column and the support column are of an engaged fixing structure through the first fixing bolt.

Preferably, both ends about bracing piece and the reservation pole are the screw thread column structure, and bracing piece and the end of reserving the pole about both ends and the support column be threaded connection's dismantlement mounting structure to reserve pole and adapter sleeve are threaded connection.

Preferably, the connecting rod and the supporting plate form a T-shaped structure, the connecting rod, the supporting column and the supporting rod are connected in a sliding mode, the connecting rod, the supporting column and the supporting rod form a fixed structure through a second fixing bolt, and the number of the supporting plates is three.

Preferably, the middle part of the assembly block is of a middle-hole structure, the assembly block is connected with the support guard plate in a welding mode, the assembly blocks are fixedly connected through positioning pieces, and the positioning pieces are of a U-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: the temporary supporting device for the roof of the coal mine driving face;

(1) the supporting column and the first fixing bolt are arranged, the inner surfaces of the supporting column and the first fixing bolt are in a zigzag structure, the supporting column can slide in the bottom column by pulling the lifting handle upwards, and the first fixing bolt is matched with the lifting handle for use, so that the supporting column can be conveniently fixed after being adjusted, and the device can be conveniently adapted to mine holes with different heights;

(2) the device is provided with the supporting and protecting plate, the supporting rod, the connecting rod, the reserved plate and the second fixing bolt, the position of the connecting rod between the supporting rod and the reserved plate can be conveniently adjusted through sliding the connecting rod, meanwhile, the supporting and protecting plate is conveniently fixed and supported on the surface of the connecting rod by matching with the use of the second fixing bolt at the bottom of the connecting rod, the supporting rod is in threaded connection with the supporting column, the supporting rod is convenient to disassemble, the width of the device is conveniently enlarged by matching with the use of the reserved rods with different lengths, and the device is convenient to adapt to mine holes with different widths;

(3) the assembling blocks and the positioning pieces are arranged, the assembling blocks on the surface of the supporting plate can be assembled and connected with each other through the positioning pieces of the U-shaped structures, and the positioning pieces are matched with nuts on the surface of the positioning pieces, so that the supporting device is convenient to splice and assemble.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the support rod and the connecting rod of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is the utility model discloses a backplate mosaic structure sketch map.

In the figure: 1. a bottom pillar; 2. a support pillar; 3. a handle; 4. an inner tank; 5. a first fixing bolt; 6. a support bar; 7. a connecting rod; 8. supporting the guard plate; 9. a second fixing bolt; 10. connecting sleeves; 11. reserving a rod; 12. assembling the blocks; 13. a positioning member.

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. 1-4, the present invention provides a technical solution: a temporary supporting device for a roof of a coal mine tunneling working face comprises a bottom column 1, a supporting column 2, a handle 3, an inner groove 4, a first fixing bolt 5, a supporting rod 6, a connecting rod 7, a supporting plate 8, a second fixing bolt 9, a connecting sleeve 10, a reserved rod 11, an assembling block 12 and a positioning piece 13, wherein the inner groove 4 is formed in the upper inner side of the bottom column 1, the supporting column 2 is connected onto the inner groove 4, the handle 3 is fixed to the outer surface of the upper portion of the supporting column 2, the first fixing bolt 5 is connected to the inner side of the bottom column 1, the connecting sleeve 10 is fixed to the outer side of the bottom column 1, the reserved rod 11 is connected onto the connecting sleeve 10, the supporting rod 6 is connected onto the upper portion of the supporting column 2, the connecting rod 7 is connected onto the middle portion of the supporting rod 6, a supporting plate 8 is fixed to the outer end of the connecting, and a positioning member 13 is connected to the assembly block 12.

As shown in fig. 1, the inner side of the lower part of the support column 2 is of a saw-toothed structure, the upper part of the support column 2 is of an arc-shaped structure, the support column 2 and the bottom column 1 form a telescopic structure, so that the device can conveniently use mine holes with different heights, the outer end of the first fixing bolt 5 is of a round table-shaped structure, the bottom column 1 and the support column 2 are of an engaged fixing structure through the first fixing bolt 5, and the support column 2 can be fixed conveniently after rising.

As shown in fig. 2 surrounding fig. 3, both the left and right ends of the supporting rod 6 and the reserved rod 11 are threaded, and both the left and right ends of the supporting rod 6 and the reserved rod 11 and the tail end of the supporting column 2 are threaded, and the reserved rod 11 and the connecting sleeve 10 are threaded, so that the device is convenient to adapt to mine holes with different lengths, as shown in fig. 3, the connecting rod 7 and the supporting plate 8 form a T-shaped structure, the connecting rod 7, the supporting column 2 and the supporting rod 6 are both slidably connected, the connecting rod 7, the supporting column 2 and the supporting rod 6 form a fixed structure through a second fixing bolt 9, and the supporting plate 8 is provided with three supporting plates 8, so that the position of the supporting plate 8 can be conveniently adjusted and fixed, as shown in fig. 4, the middle part of the assembling block 12 is of a central hole-shaped structure, the assembling block 12 and the supporting plate 8 are connected in a welding manner, and, meanwhile, the positioning piece 13 is in a U-shaped structure, so that the device is convenient to splice.

The working principle is as follows: firstly, when the device is used, in a coal mine hole which needs to be used, a supporting rod 6 and a reserved rod 11 with adaptive length are selected according to the width of the mine hole, and are in threaded connection with the top of a supporting column 2, so that the combination of 2 supporting columns 2 is facilitated, then a supporting plate 8 above the connecting rod 7 is slid to a proper position through sliding the supporting column 2 and the connecting rod 7 on the surface of the supporting rod 6, the supporting plate is fixed through rotating a second fixing bolt 9 on the surface of the connecting rod 7, the use of the supporting plate 8 is facilitated, then the supporting column 2 moves upwards on an inner groove 4 on the surface of a bottom column 1 through pulling a handle 3 on the surface of the supporting column 2, and the use of a first fixing bolt 5 is matched, so that the supporting column 2 with a sawtooth-shaped structure on the surface of the bottom column 1 is facilitated, and the fixing of the supporting column 2 after the supporting column;

when the supporting surface of the supporting plate 8 needs to be enlarged, the positioning piece 13 with the U-shaped structure can be clamped into the assembling block 12 on the surface of the supporting plate 8 through the use of the assembling block 12 and the positioning piece 13 on the surface of the supporting plate 8, so that the splicing and assembling of the supporting plate 8 are facilitated, which is the use principle of the temporary supporting device for the top plate of the coal mine driving working surface, and the content which is not described in detail in the specification belongs to the prior art which is well known by technicians in the field.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a colliery tunnelling working face roof temporary support device, includes sill pillar (1), inside groove (4) and a backplate (8), its characterized in that: inside groove (4) have been seted up to the top inboard of foundation pillar (1), and be connected with support column (2) on inside groove (4) to the top external fixed surface of support column (2) has handle (3), the inboard of foundation pillar (1) is connected with first fixing bolt (5), and the bottom outside of foundation pillar (1) is fixed with adapter sleeve (10) to be connected with on adapter sleeve (10) and reserve pole (11), the top of support column (2) is connected with bracing piece (6), and the middle part of bracing piece (6) is connected with connecting rod (7), and the outer end of connecting rod (7) is fixed with a backplate (8), the bottom of connecting rod (7) is connected with second fixing bolt (9), the outside of propping up backplate (8) is provided with equipment piece (12), and is connected with setting element (13) on equipment piece (12).

2. The temporary roof supporting device for the coal mine heading face roof as claimed in claim 1, wherein: the lower inner side of the support column (2) is of a sawtooth structure, the upper side of the support column (2) is of an arc structure, and the support column (2) and the bottom column (1) form a telescopic structure.

3. The temporary roof supporting device for the coal mine heading face roof as claimed in claim 1, wherein: the outer end of the first fixing bolt (5) is of a round table-shaped structure, and the bottom column (1) is of an engaged fixing structure with the support column (2) through the first fixing bolt (5).

4. The temporary roof supporting device for the coal mine heading face roof as claimed in claim 1, wherein: both ends are the screw thread column structure about bracing piece (6) and reservation pole (11), and bracing piece (6) and the end of reserving both ends and support column (2) about pole (11) are threaded connection's dismantlement mounting structure to reserve pole (11) and adapter sleeve (10) are threaded connection.

5. The temporary roof supporting device for the coal mine heading face roof as claimed in claim 1, wherein: connecting rod (7) and fender (8) constitution "T" font structure, and connecting rod (7) and support column (2) and bracing piece (6) are sliding connection to connecting rod (7) constitute fixed knot through second fixing bolt (9) and support column (2) and bracing piece (6) and construct, prop up simultaneously and be provided with threely backplate (8).

6. The temporary roof supporting device for the coal mine heading face roof as claimed in claim 1, wherein: the middle part of the assembly block (12) is of a middle-hole structure, the assembly block (12) is connected with the support guard plate (8) in a welding mode, the assembly block (12) is fixedly connected with the support guard plate through a positioning piece (13), and meanwhile, the positioning piece (13) is of a U-shaped structure.

Images