CN211174151U

CN211174151U - Temporary support bracket for coal mine tunnel

Info

Publication number: CN211174151U
Application number: CN201921692931.7U
Authority: CN
Inventors: 袁秋根
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-08-04
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a coal mine tunnel temporary support, including telescopic bracket, guard plate and protection folded sheet, telescopic bracket, guard plate and protection folded sheet all are provided with two sets ofly, the installation terminal surface of guard plate is the installation end fixed mounting of slope form and telescopic bracket, through round pin axle fixed mounting between the protection folded sheet, the both sides fixed mounting of two and guard plates through round pin axle is held to the installation of protection folded sheet, the fixed side shield that is provided with in the outside of guard plate, fixed mounting has horizontal telescopic bracket between the telescopic bracket, horizontal telescopic bracket is unanimous with the telescopic bracket structure. This coal mine tunnel temporary support frame possesses the protection area of being convenient for to strut according to size adjustment in the tunnel, and application scope is wide, reduces the advantage of colliery tunnelling engineering input cost, has solved current inconvenient to the use of coal mine tunnel temporary support, need set up multiple size and strut, increases the problem of colliery tunnelling engineering input cost.

Description

Temporary support bracket for coal mine tunnel

Technical Field

The utility model relates to a colliery is excavated technical field, specifically is a coal mine tunnel temporary support.

Background

In the process of underground coal mine mining, tunneling work is an indispensable system engineering, the quality of support of the system engineering is related to the service life and the service effect of a roadway, and the control of exposed surrounding rock mass before permanent support, namely temporary support, is a technical problem which puzzles coal mine safety production for a long time.

Workers are required to operate in an open-top area in an untimely way during operation, certain danger exists, and the currently adopted machine-mounted temporary support and self-moving temporary support reduce the labor intensity of the workers, shorten the temporary support time and improve the safety coefficient, but the space inside a roadway is not fixed, and supports with corresponding sizes are required to be selected according to the space of the working roadway, so that the investment cost of equipment for coal mine tunneling is increased, and certain inconvenience is brought to the temporary support.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal mine tunnel temporary support possesses the area of protection of being convenient for according to size adjustment support in the tunnel, and application scope is wide, reduces the advantage of colliery tunnelling engineering input cost, has solved current inconvenient to the use of coal mine tunnel temporary support, need set up multiple size support, increases the problem of colliery tunnelling engineering input cost.

In order to achieve the above object, the utility model provides a following technical scheme: a temporary support bracket for a coal mine tunnel comprises a telescopic bracket, a protection plate and protection folding plates, wherein the telescopic bracket, the protection plate and the protection folding plates are respectively provided with two groups, the installation end surface of the protection plate is inclined and is fixedly installed with the installation end of the telescopic bracket, and the protection folding plates are fixedly installed through pin shafts;

the mounting end of the protective folding plate is fixedly mounted with the two sides of the protective plate through a second pin shaft, and the outer side of the protective plate is fixedly provided with a side baffle;

and a transverse telescopic bracket is fixedly arranged between the telescopic brackets, and the structure of the transverse telescopic bracket is consistent with that of the telescopic bracket.

Preferably, the telescopic support comprises two groups of connecting rods and a spiral sleeve, wherein one group of the connecting rods is fixedly installed on the installation end face of the protection plate, the installation end of the spiral sleeve is spirally installed at the tail end of the connecting rod, and the installation end of the connecting rod is spirally installed at the tail end of the spiral sleeve.

Preferably, the two sides of the protection plate corresponding to the side baffle are fixedly provided with longitudinal fan blade protection plates through rotating shafts, and the installation ends of the longitudinal fan blade protection plates are fixedly installed on the sides of the protection plate and the folding protection plate through the rotating shafts.

Preferably, the tail end of the telescopic support is fixedly provided with a balance bottom plate, and the bottom of the balance bottom plate is provided with a specific gravity seat.

Preferably, the two corresponding protection plates of round pin axle are to rotate 90 degrees structure settings, the round pin axle corresponds folding protection plate and is upwards to rotate 90 degrees settings.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses folding guard plate is installed through the guard plate in the top of telescopic bracket, when needing to protect the colliery tunnelling sky top, the operator places this device in the position that needs the protection, the area of protecting as required pulls open telescopic bracket to the guard plate relatively, make between the guard plate through the folding guard plate expansion auxiliary guard plate of round pin two installation support the protection to the position that needs the protection, folding guard plate when pulling open and expand through the guard plate, the round pin axle of installation department expands along with the pulling open of guard plate between the folding guard plate, the operator supports the height control of guard plate and folding guard plate to telescopic bracket, make guard plate and folding guard plate be located the top of workplace along with telescopic bracket's regulation, protect workman's working process; when drawing near according to the width in the tunnel to the distance between the guard plate, the operator to telescopic bracket relative movement, makes the relative centre gripping of guard plate to folding guard plate, and folding guard plate supports the top of workplace through round pin axle and round pin axle tilt up, when having the rockfall to fall folding guard plate or guard plate, drops along with the gradient of folding guard plate and guard plate, avoids causing the injury to the workman, improves the security when the workman works.

2. The utility model discloses the both sides of guard plate and folding guard plate are through the vertical flabellum guard plate of pivot installation, and vertical flabellum guard plate adopts alloy construction's tripe flabellum structure to set up, and when guard plate and folding guard plate launch to strutting the workplace, vertical flabellum guard plate rotates through the pivot downward sloping along with the expansion of folding guard plate and guard plate for vertical flabellum guard plate launches the protection along with the folding department of flabellum structure according to the angle between folding guard plate and the guard plate, improves guard plate and folding guard plate and struts the effect to the workplace.

Drawings

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

FIG. 2 is a schematic view of the folding structure of the folding protection plate of the present invention;

fig. 3 is a schematic bottom view of the structure of fig. 1.

In the figure: a telescopic bracket 1; a protection plate 2; a protective folding plate 3; a pin shaft 4; a second pin shaft 5; a side baffle 6; a transverse telescopic bracket 7; a longitudinal fan blade guard 8; balancing the bottom plate 9.

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, a temporary support bracket for a coal mine roadway comprises a telescopic bracket 1, a protection plate 2 and protection folding plates 3, wherein the telescopic bracket 1, the protection plate 2 and the protection folding plates 3 are respectively provided with two groups, the installation end surface of the protection plate 2 is inclined and is fixedly installed with the installation end of the telescopic bracket 1, and the protection folding plates 3 are fixedly installed through pin shafts 4;

the mounting end of the protective folding plate 3 is fixedly mounted with the two sides of the protective plate 2 through a second pin shaft 5, and the outer side of the protective plate 2 is fixedly provided with a side baffle 6;

a transverse telescopic support 7 is fixedly installed between the telescopic supports 1, and the transverse telescopic support 7 is consistent with the telescopic supports 1 in structure.

Referring to fig. 1-3, the telescopic bracket 1 includes two sets of connecting rods and a spiral sleeve, wherein one set of the connecting rods is fixedly mounted on the mounting end surface of the protection plate 2, the mounting end of the spiral sleeve is spirally mounted on the tail end of the connecting rod, and the mounting end of the other set of the connecting rods is spirally mounted on the tail end of the spiral sleeve. Be convenient for according to guard plate 2 and folding guard plate 3 to the protective scope and the height of workplace to the height and the length adjustment that telescopic bracket 1 and horizontal telescopic bracket 8 supported to can not drive the rotation to guard plate 2 when rotating the regulation between the connecting rod through the spiral sleeve.

The both sides that guard plate 2 corresponds side shield 6 have vertical flabellum guard plate 8 through pivot fixed mounting, the side fixed mounting of vertical flabellum guard plate 8 through pivot and guard plate 2, folding guard plate 3 is held in the installation. Vertical flabellum guard plate 8 adopts alloy construction's tripe flabellum structure to set up, when guard plate 2 and folding guard plate 3 expand to strutting the workplace, vertical flabellum guard plate 8 rotates through the pivot downward sloping along with folding

guard plate

3 and 2 expansion of guard plate for vertical flabellum guard plate 8 expands the protection according to the angle between folding guard plate 3 and the guard plate 2 along with the folding department of flabellum structure, improves guard plate 2 and folding guard plate 3 and struts the effect to the workplace.

The tail end of the telescopic support 1 is fixedly provided with a balance bottom plate 9, and the bottom of the balance bottom plate 9 is provided with a specific gravity seat. The telescopic bracket 1 supports the protection plate 2 and the folding protection plate 3 in a balanced manner through the balance bottom plate 9, and the protection stability of the protection plate 2 and the folding protection plate 3 is improved through the specific gravity seat.

The second pin shaft 5 is arranged corresponding to the protection plate 2 and rotates 90 degrees, and the pin shaft 4 is arranged corresponding to the folding protection plate 3 and rotates 90 degrees upwards. Make folding 3 protection plates of protection plates be the tilt up protection when folding the protection to the work place, be convenient for through folding 3 protection plates of protection plates and the gradient landing protection plate 2 of protection plate 2 to the falling stone of accepting.

When the device is used, when the protection is needed for a coal mine tunneling empty roof, an operator places the device at a position needing protection, the telescopic support 1 is relatively pulled open to the protection plates 2 according to the area needing protection, the folding protection plates 3 arranged between the protection plates 2 through the second pin shaft 5 are unfolded to assist the protection plates 2 in supporting and protecting the position needing protection, when the folding protection plates 3 are unfolded through the protection plates 2, the pin shafts 4 at the installation positions between the folding protection plates 3 are unfolded along with the pulling open of the protection plates 2, the operator adjusts the height of the supporting protection plates 2 and the folding protection plates 3 of the telescopic support 1, the protection plates 2 and the folding protection plates 3 are positioned above a working place along with the adjustment of the telescopic support 1, and the protection is used for protecting the working process of workers; when drawing near according to the width in the tunnel to the distance between the guard plate 2, the operator to telescopic bracket 1 relative movement, makes 2 pairs of folding guard plate 3 relative centre gripping of guard plate, and folding guard plate 3 supports the top of workplace through round pin axle 4 and two 5 tilt ups of round pin axle, when having the falling stone to fall at folding guard plate 3 or guard plate 2, drops along with the gradient of folding guard plate 3 and guard plate 2, avoids causing the injury to the workman, improves the security of workman during operation.

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 mine tunnel temporary support, includes telescopic bracket (1), guard plate (2) and protection folded sheet (3), telescopic bracket (1), guard plate (2) and protection folded sheet (3) all are provided with two sets ofly, its characterized in that: the mounting end surface of the protection plate (2) is inclined and is fixedly mounted with the mounting end of the telescopic support (1), and the protection folding plates (3) are fixedly mounted through pin shafts (4);

the mounting end of the protective folding plate (3) is fixedly mounted with the two sides of the protective plate (2) through a second pin shaft (5), and the outer side of the protective plate (2) is fixedly provided with a side baffle (6);

a transverse telescopic support (7) is fixedly installed between the telescopic supports (1), and the transverse telescopic support (7) is consistent with the telescopic supports (1) in structure.

2. The coal mine roadway temporary support bracket of claim 1, which is characterized in that: the telescopic support (1) comprises two groups of connecting rods and a spiral sleeve, wherein one group of the connecting rods and the protection plate (2) are fixedly installed on the installation end face, the installation end of the spiral sleeve is spirally installed at the tail end of each connecting rod, and the installation end of each connecting rod is spirally installed at the tail end of the spiral sleeve.

3. The coal mine roadway temporary support bracket of claim 1, which is characterized in that: the utility model discloses a fan blade protection plate, including guard plate (2), guard plate (6), the both sides that guard plate (2) correspond side shield (6) have vertical flabellum guard plate (8) through pivot fixed mounting, the side fixed mounting of vertical flabellum guard plate (8) through pivot and guard plate (2), protection folded sheet (3).

4. The coal mine roadway temporary support bracket of claim 1, which is characterized in that: the tail end of the telescopic support (1) is fixedly provided with a balance bottom plate (9), and the bottom of the balance bottom plate (9) is provided with a specific gravity seat.

5. The coal mine roadway temporary support bracket of claim 1, which is characterized in that: the pin shaft II (5) is arranged corresponding to the protection plate (2) and rotates 90 degrees, and the pin shaft (4) is arranged corresponding to the protection folding plate (3) and rotates 90 degrees upwards.