CN217300604U

CN217300604U - Coal mine tunnel temporary reinforcing and supporting device for coal mine engineering

Info

Publication number: CN217300604U
Application number: CN202221215410.4U
Authority: CN
Inventors: 虎浩银
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-08-26
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a coal mine tunnel temporary reinforcement supporting device of coal mine engineering, including six groups of vertical columns, the top fixedly connected with U-shaped post of vertical column, be provided with the dismouting otter board structure of being convenient for between one side of vertical column. This coal mine engineering's coal mine tunnel temporary reinforcement supporting device is through being provided with the U type and holding in the palm, the arch otter board, directly hold in the palm and straight otter board, during the use, after fixing the U-shaped post on straight post, form a set of arched roof beam structure, support on the inner wall in tunnel, three roof beam structures are a set of, the U type holds in the palm and directly holds in the palm the beading on U-shaped post and straight post, colliery workman can with arch otter board and straight otter board direct equipment can, the straight otter board of modular production and arch otter board have reduced the equipment degree of difficulty, need not squeeze into the stock simultaneously and destroy the cliff structure, the security performance is improved, the function of the installation otter board of being convenient for has been realized, what solve is that the device does not possess the problem of the function of the installation otter board of being convenient for.

Description

Coal mine tunnel temporary reinforcing and supporting device for coal mine engineering

Technical Field

The utility model relates to a supporting device technical field in the pit specifically is a coal mine tunnel temporary reinforcement supporting device of coal mine engineering.

Background

The existing temporary reinforcing and supporting device for the coal mine tunnel on the market is mostly simple in structure, supports the inner wall of the tunnel through a U-shaped steel frame, or fixes a supporting net on the wall of the tunnel through an anchor rod, is inconvenient to improve in the using process, for example, the anchor rod is required to be driven in the installation of the supporting net, the rock wall structure is easy to damage, the possibility of collapse is increased, the general area of the supporting net is large, the supporting net is troublesome to spread, the supporting net has no function of conveniently installing a net plate, secondly, the U-shaped steel frames are independent respectively, the U-shaped steel frames are easy to topple or separate from each other when collapse occurs, the function of connecting the steel frames for increasing the strength is not provided, in addition, the contact surface between the steel frames and the ground is small, once the pressure above is too high, the support is easy to misplace or be inserted into the ground, influence the supporting effect, do not possess the function that enlarges the bottom surface and increase stability, to above-mentioned problem, the improvement that corresponds has all been done to this scheme, holistic structure has been optimized, will strut the net and cut apart into a plurality of modular otter boards, the snap-on is on the steelframe, can not destroy the cliff structure when reducing the installation degree of difficulty, the worker shape girder steel of connection has been set up between the steelframe simultaneously, make multiunit steelframe even as an organic whole, increase holistic intensity, and the support groove has been increased in the bottom of steelframe, increase the basal area and enlarge the stress surface.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery tunnel temporary reinforcement supporting device of coal mine engineering to the problem of not possessing the function of being convenient for to install the otter board that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coal mine tunnel temporary reinforcement supporting device of coal mine engineering, includes six groups of straight columns, the top fixedly connected with U-shaped post of straight column, the welding of intermediate position department of straight column one end has the fixing base, it has the worker shape steelframe to peg graft between one side of fixing base, four corners of fixing base one end are pegged graft respectively and are had mounting bolt, the below of straight column is provided with the collet, it has two sets of fixing bolt to peg graft in one side of straight column bottom, be provided with the dismouting otter board structure of being convenient for between one side of straight column.

The screen plate structure convenient to disassemble and assemble comprises three groups of U-shaped supports, the U-shaped supports are sleeved at the bottom ends of the U-shaped columns respectively, the arched screen plates are installed between one sides of the U-shaped supports, two groups of straight supports are sleeved at one ends of the straight columns, and the straight screen plates are fixedly connected between one sides of the straight supports.

Preferably, the shape and size of the inner part of the U-shaped support are matched with the shape and size of the outer part of the U-shaped column, and the shape and size of the inner part of the straight support are matched with the shape and size of the outer part of the straight column.

Preferably, the materials of the arched net plate and the straight net plate are consistent, and the arched net plate and the straight net plate are symmetrically distributed about the vertical center line of the straight column respectively.

Preferably, the mounting bolt penetrates through the inside of the fixing seat and extends into the inside of the I-shaped steel frame.

Preferably, the bottom welding of collet inside has three groups of fixed blocks, the fixed block is the equidistant range.

Preferably, the bottom end of the bottom support is provided with a plurality of groups of positioning holes, and the positioning holes penetrate through the inside of the bottom support and are communicated with the upper end and the lower end of the bottom support.

Compared with the prior art, the beneficial effects of the utility model are that: the temporary reinforcing and supporting device for the coal mine tunnel in the coal mine engineering not only realizes the function of conveniently installing the screen plate, but also realizes the function of increasing the strength of the connecting steel frame and the function of expanding the bottom surface and increasing the stability;

(1) through being provided with the U type and holding in the palm, the arch otter board, directly hold in the palm and straight otter board, during the use, after fixing the U-shaped post on straight post, form a set of arched roof beam structure, support on the inner wall in tunnel, three roof beam structures are a set of, the U type holds in the palm and directly holds in the palm the beading on U-shaped post and straight post, colliery workman can with arch otter board and straight otter board direct assembly can, modular production's straight otter board and arch otter board have reduced the equipment degree of difficulty, need not squeeze into the stock simultaneously and destroy the cliff structure, the safety performance is improved, the function of being convenient for install the otter board has been realized.

(2) Through being provided with the fixing base, worker shape steelframe and construction bolt, during the use, after U-shaped post and vertical column equipment are fixed, insert the fixing base on the vertical column with worker shape steelframe, squeeze into construction bolt with fixed position, worker shape steelframe forms the medium of joint support together, even with multiunit vertical column even under the circumstances of top pressure increase, can not take place the circumstances that single roof beam structure heeled and collapses, realized connecting the function that the steelframe increases intensity.

(3) Through being provided with collet, fixed block, locating hole and fixing bolt, during the use, in the equipment link, lay the collet at the both sides edge on tunnel ground, the fixed block plays mark point position, guarantees that the interval is unanimous, will the straight post laminating on the fixed block after that, squeeze into fixing bolt fixed can, the locating hole can be squeezed into the ground nail in the later stage in order to increase stability, has realized enlarging the function that the bottom surface increased stability.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the fixing base of the present invention showing an enlarged structure from above;

fig. 4 is a schematic diagram of the enlarged structure of the local overlook of the bottom support of the present invention.

In the figure: 1. a straight column; 2. a U-shaped column; 3. a U-shaped support; 4. an arched net plate; 5. directly supporting; 6. a straight net plate; 7. a fixed seat; 8. an I-shaped steel frame; 9. installing a bolt; 10. a bottom support; 11. a fixed block; 12. positioning holes; 13. and (5) fixing the bolt.

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.

Example 1: referring to fig. 1-4, a temporary reinforcing and supporting device for a coal mine tunnel in coal mine engineering comprises six groups of straight columns 1, wherein the top ends of the straight columns 1 are fixedly connected with U-shaped columns 2, and a screen plate structure convenient to assemble and disassemble is arranged between one sides of the straight columns 1;

referring to fig. 1-4, the temporary reinforcing and supporting device for the coal mine tunnel of the coal mine engineering further comprises a screen plate structure convenient to assemble and disassemble, wherein the screen plate structure convenient to assemble and disassemble comprises three groups of U-shaped supports 3, the three groups of U-shaped supports 3 are respectively sleeved at the bottom ends of U-shaped columns 2, an arched screen plate 4 is arranged between one sides of the U-shaped supports 3, one end of each straight column 1 is sleeved with two groups of straight supports 5, and a straight screen plate 6 is fixedly connected between one sides of the straight supports 5;

the shape and size of the inside of the U-shaped support 3 are matched with the shape and size of the outside of the U-shaped column 2, the shape and size of the inside of the straight support 5 are matched with the shape and size of the outside of the straight column 1, the materials of the arched screen plates 4 and the straight screen plates 6 are consistent, the arched screen plates 4 and the straight screen plates 6 are symmetrically distributed about the vertical center line of the straight column 1 respectively, and the modularized structure reduces the installation difficulty and does not damage the rock wall structure;

specifically, as shown in fig. 1 and 2, in the installation link, after fixing the U-shaped post 2 on the straight post 1, form a set of arched roof beam structure, support on the inner wall in tunnel, three roof beam structures are a set of, U type holds in the palm 3 and directly holds in the palm 5 beadings on U-shaped post 2 and straight post 1, colliery workman can with arch otter board 4 with straight otter board 6 direct assembly can, modular production's straight otter board 6 and arch otter board 4 have reduced the equipment degree of difficulty, need not squeeze into the stock simultaneously and destroy the rock wall structure, the security performance is improved, the function of being convenient for install the otter board has been realized.

Example 2: a fixed seat 7 is welded in the middle of one end of the straight column 1, an I-shaped steel frame 8 is inserted between one sides of the fixed seats 7, mounting bolts 9 are respectively inserted in four corners of one end of each fixed seat 7, and the mounting bolts 9 penetrate through the inside of the fixed seats 7 and extend into the I-shaped steel frame 8, so that the overall structural strength is improved;

specifically, as shown in fig. 1 and 3, in an underground roadway environment, the strength is increased to effectively avoid damage caused by collapse, after the U-shaped column 2 and the straight column 1 are assembled and fixed, the i-shaped steel frame 8 is inserted into the fixing seat 7 on the straight column 1, the mounting bolt 9 is driven into the fixing position, the i-shaped steel frame 8 forms a medium for connecting and supporting, multiple groups of straight columns 1 are connected into a whole, even under the condition that the top pressure is increased, the condition that a single beam frame tilts and collapses can not occur, and the function of increasing the strength of the connecting steel frame is realized.

Example 3: a bottom support 10 is arranged below the straight column 1, two groups of fixing bolts 13 are inserted into one side of the bottom end of the straight column 1, three groups of fixing blocks 11 are welded at the bottom end inside the bottom support 10, the fixing blocks 11 are arranged at equal intervals, a plurality of groups of positioning holes 12 are arranged at the bottom end of the bottom support 10, the positioning holes 12 penetrate through the inside of the bottom support 10 and are communicated with the upper end and the lower end of the bottom support 10, the bottom area is enlarged, and the stability is improved;

specifically, as shown in fig. 1 and 4, before the equipment, colliery workman lays collet 10 at the both sides edge on tunnel ground, and fixed block 11 plays mark point position, guarantees that the interval is unanimous, will be followed straight post 1 and laminate on fixed block 11, it can to squeeze into fixing bolt 13 fixed, and ground nail can be squeezed into in the later stage in order to increase stability to locating hole 12, has realized enlarging the function that the bottom surface increases stability.

The working principle is as follows: when the utility model is used, firstly, the collet 10 is laid on the edges of two sides of the roadway ground, the fixing block 11 plays the mark point position, the consistent distance is ensured, then the straight post 1 is laminated on the fixing block 11, the fixing bolt 13 is driven in for fixing, the positioning hole 12 can be driven in the ground nail in the later period to increase the stability, the function of enlarging the stability of the bottom surface is realized, after the U-shaped post 2 and the straight post 1 are assembled and fixed, the I-shaped steel frame 8 is inserted into the fixing seat 7 on the straight post 1, the mounting bolt 9 is driven in the fixed position, the I-shaped steel frame 8 forms the medium of one connecting support, the multiple groups of straight posts 1 are connected into a whole, even under the condition that the top pressure is increased, the condition that a single beam frame falls down can not occur, and the function of increasing the strength of the connecting steel frame is realized; after fixing U-shaped post 2 on straight post 1, form a set of arched roof beam structure, support on the inner wall in tunnel, three roof beam structures are a set of, the U type holds in the palm 3 and directly holds in the palm 5 lug weld on U-shaped post 2 and straight post 1, colliery workman can with arch otter board 4 with straight otter board 6 direct assembly can, the straight otter board 6 of modularization production and arch otter board 4 have reduced the equipment degree of difficulty, need not squeeze into the stock simultaneously and destroy the cliff structure, the safety performance is improved, the function of being convenient for install the otter board has been realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a coal mine tunnel temporary reinforcement supporting device of coal mine engineering, includes six groups of vertical columns (1), its characterized in that: the top end of the straight column (1) is fixedly connected with a U-shaped column (2), a fixed seat (7) is welded at the middle position of one end of the straight column (1), an I-shaped steel frame (8) is inserted between one sides of the fixed seats (7), mounting bolts (9) are respectively inserted at four corners of one end of the fixed seat (7), a bottom support (10) is arranged below the straight column (1), two groups of fixing bolts (13) are inserted at one side of the bottom end of the straight column (1), and a screen plate structure convenient to assemble and disassemble is arranged between one sides of the straight column (1);

the screen plate structure convenient to disassemble and assemble comprises three groups of U-shaped supports (3) and three groups of U-shaped supports (3) which are respectively sleeved at the bottom ends of U-shaped columns (2), an arched screen plate (4) is installed between one side of each U-shaped support (3), two groups of straight supports (5) are sleeved at one end of each straight column (1), and each straight support (5) is fixedly connected with the straight screen plate (6) between one side of each straight support (5).

2. The coal mine tunnel temporary reinforcing and supporting device for coal mine engineering according to claim 1, which is characterized in that: the shape and size of the inside of the U-shaped support (3) are matched with the shape and size of the outside of the U-shaped column (2), and the shape and size of the inside of the straight support (5) are matched with the shape and size of the outside of the straight column (1).

3. The coal mine tunnel temporary reinforcing and supporting device for coal mine engineering according to claim 1, which is characterized in that: the material of the arched screen plate (4) is consistent with that of the straight screen plate (6), and the arched screen plate (4) and the straight screen plate (6) are symmetrically distributed about the vertical center line of the straight column (1).

4. The coal mine tunnel temporary reinforcing and supporting device for coal mine engineering according to claim 1, which is characterized in that: the mounting bolt (9) penetrates through the inside of the fixing seat (7) and extends into the inside of the I-shaped steel frame (8).

5. The coal mine tunnel temporary reinforcing and supporting device for coal mine engineering according to claim 1, which is characterized in that: the bottom welding of collet (10) inside has three fixed blocks of group (11), fixed block (11) are the equidistant range.

6. The coal mine tunnel temporary reinforcing and supporting device for coal mine engineering according to claim 1, which is characterized in that: the bottom end of the bottom support (10) is provided with a plurality of groups of positioning holes (12), and the positioning holes (12) penetrate through the inside of the bottom support (10) and are communicated with the upper end and the lower end of the bottom support (10).