CN220203929U - Stable support for underground tunneling of coal mine - Google Patents

Abstract

The utility model relates to the technical field of support and discloses a stable support for underground tunneling of coal mines, which comprises a fixed plate, wherein a rectangular block is fixedly connected to the surface of the fixed plate, a supporting plate is fixedly connected to the top of the rectangular block, a cylinder is rotatably connected to the surface of the rectangular block, a movable plate is fixedly connected to one end of the cylinder, an expansion plate is fixedly connected to the surface of the movable plate, a fixed block is fixedly connected to the bottom of the movable plate, a movable rod is rotatably connected to the surface of the fixed block, and an electric telescopic rod is fixedly connected to the center of the surface of the movable rod. This colliery is tunneled in pit and is protected with firm, through rectangular block, cylinder, fly leaf, expansion board, fixed block, movable rod, electric telescopic handle and guide arm's setting, plays the effect that can enlarge the holding area, opens electric telescopic handle, makes its one end promote the fixed block through the movable rod, makes fly leaf one end upward movement, and the cylinder of the other end of fly leaf rotates in the inside of rectangular block.

Description

Stable support for underground tunneling of coal mine

Technical Field

The utility model relates to the technical field of support, in particular to a stable support for underground tunneling of a coal mine.

Background

Coal mines are areas where human beings mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open pit coal mines, when a coal seam is far away from the ground surface, coal is generally selected to be mined into underground mining tunnels, the coal mines are underground coal mines, tunneling operation can provide good operation conditions for underground mining engineering implementation, and the mining equipment has enough safe and convenient operation space and environment. In the tunneling construction, tunneling equipment needs to act on rock stratum or soil body, and then continuously advances without breaking the development space.

The utility model discloses a stable support for underground tunneling of a coal mine, which is disclosed in the publication No. CN215804650U, although the device can be carried after being disassembled due to smaller internal space when working in a mine by arranging universal wheels, hydraulic telescopic columns, supporting rods, sliding plates and L-shaped plates, and simultaneously can slide and move in a mode of reducing the height of the device when the position of the device is transferred, so that time and labor are saved.

However, this steady support for underground tunnelling of coal mine has the following disadvantages:

(1) The supporting area is difficult to expand, so that the supporting area is smaller, and the supporting effect is poor;

(2) When facing mine holes of different heights, it is difficult to adjust the height thereof, resulting in lower applicability.

Disclosure of Invention

(one) solving the technical problems

The utility model solves the technical problems of higher practicability, simple structure and stable support for underground tunneling of coal mines through simple operation, and solves the problems that the support area is difficult to expand and the height of the support is difficult to adjust in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a colliery is firm support for tunnelling in pit, includes the fixed plate, the fixed plate's surface fixedly connected with rectangle piece, the top fixedly connected with backup pad of rectangle piece, the surface rotation of rectangle piece is connected with the cylinder, the one end fixedly connected with fly leaf of cylinder, the fixed surface of fly leaf is connected with expands the board, the bottom fixedly connected with fixed block of fly leaf, the surface rotation of fixed block is connected with the movable rod, the surface center department fixedly connected with electric telescopic handle of movable rod, the bottom fixedly connected with movable column of fixed plate, the surface sliding connection of movable column has the sleeve.

Optionally, telescopic bottom fixedly connected with bottom plate, the bottom plate can provide the mounted position for the cylinder, the fixed surface of bottom plate is connected with the cylinder.

Optionally, one end fixedly connected with push rod of cylinder, the push rod can promote the fixed plate, one end fixedly connected with fixed plate of push rod.

Optionally, the one end fixedly connected with guide arm of electric telescopic handle, the guide arm can adapt to electric telescopic handle and move, the surface rotation of guide arm is connected with the rectangle piece.

Optionally, the bottom fixedly connected with universal wheel of bottom plate, the universal wheel can make this device carry out different direction and remove, the quantity of universal wheel is four.

Optionally, one side fixedly connected with swash plate of rectangle piece, the swash plate can increase the stability of rectangle piece, the quantity of swash plate is two.

(III) beneficial effects

The utility model provides a stable support for underground tunneling of a coal mine, which has the following beneficial effects:

1. this colliery is tunneled in pit and is protected with firm, through rectangular block, cylinder, fly leaf, expansion board, fixed block, movable rod, electric telescopic handle and guide arm's setting, play the effect that can enlarge the holding area, open electric telescopic handle, make its one end promote the fixed block through the movable rod, make fly leaf one end upward movement, the cylinder of the other end of fly leaf rotates in the inside of rectangular block, can close electric telescopic handle when waiting expansion board and backup pad parallel and level, be favorable to the support to the colliery, improved this device supporting effect.

2. This colliery is tunneled in pit and is protected with firm, through the setting of movable column, sleeve, bottom plate, cylinder and push rod, has played the effect that can adjust this device height, when facing the mine tunnel of co-altitude, can open the cylinder and make the cylinder promote fixed plate upward movement, drives movable column at telescopic inside simultaneously and slides, and the fixed plate lifts to certain altitude and can close the cylinder, is favorable to the application to different mine tunnels, has improved the suitability of this device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the base plate of the present utility model;

FIG. 3 is a schematic view of an expanded plate structure of the present utility model;

fig. 4 is a schematic view of the structure of the fixing block of the present utility model.

In the figure: 1. a fixing plate; 2. rectangular blocks; 3. a support plate; 4. a cylinder; 5. a movable plate; 6. an expansion plate; 7. a fixed block; 8. a movable rod; 9. an electric telescopic rod; 10. a movable column; 11. a sleeve; 12. a bottom plate; 13. a cylinder; 14. a push rod; 15. a guide rod; 16. and a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a firm support is used in colliery tunnelling, including fixed plate 1, the fixed plate 1's surface fixedly connected with rectangle piece 2, rectangle piece 2's top fixedly connected with backup pad 3, rectangle piece 2's surface rotation is connected with cylinder 4, cylinder 4's one end fixedly connected with fly leaf 5, fly leaf 5's surface fixedly connected with expansion board 6, fly leaf 5's bottom fixedly connected with fixed block 7, fixed block 7's surface rotation is connected with fly leaf 8, the surface center department fixedly connected with electric telescopic handle 9 of fly leaf 8, through rectangle piece 2, cylinder 4, fly leaf 5, expansion board 6, fixed block 7, fly leaf 8, electric telescopic handle 9 and guide arm 15's setting, play the effect that can enlarge the supporting area, open electric telescopic handle 9, make its one end promote fixed block 7 through fly leaf 8, make fly leaf 5 one end upwards move, the cylinder 4 of the other end of fly leaf 5 rotates in the inside of rectangle piece 2, when expanding board 6 and backup pad 3, can close electric telescopic handle 9, be favorable to the support of colliery, the effect of this device is improved, the bottom of fly leaf 1 is connected with the cylinder 10 at the same height of cylinder 11, the cylinder 11 is suitable for the cylinder 13 is being used to the cylinder 13 in the cylinder 13 is being connected with in the cylinder 13, the cylinder 13 height is suitable for the cylinder 13 to the cylinder, the cylinder is suitable for the cylinder 13 is being used to the cylinder 13, the cylinder is 13 can be opened, the height is suitable for the cylinder 13 to the cylinder is 13 to the top of the cylinder is well-down, the cylinder is 13;

the bottom of the sleeve 11 is fixedly connected with a bottom plate 12, the bottom plate 12 can provide an installation position for the air cylinder 13, and the surface of the bottom plate 12 is fixedly connected with the air cylinder 13;

one end of the air cylinder 13 is fixedly connected with a push rod 14, the push rod 14 can push the fixed plate 1, and one end of the push rod 14 is fixedly connected with the fixed plate 1;

one end of the electric telescopic rod 9 is fixedly connected with a guide rod 15, the guide rod 15 can adapt to the movement of the electric telescopic rod 9, and the surface of the guide rod 15 is rotationally connected with a rectangular block 2;

the bottom of the bottom plate 12 is fixedly connected with universal wheels 16, the universal wheels 16 can enable the device to move in different directions, and the number of the universal wheels 16 is four;

one side of the rectangular block 2 is fixedly connected with inclined plates, the inclined plates can increase the stability of the rectangular block 2, and the number of the inclined plates is two.

In the utility model, the working steps of the device are as follows:

a first step of: opening the electric telescopic rod 9, so that one end of the electric telescopic rod pushes the fixed block 7 through the movable rod 8, one end of the movable plate 5 moves upwards, the cylinder 4 at the other end of the movable plate 5 rotates in the rectangular block 2, and the electric telescopic rod 9 can be closed when the expansion plate 6 is flush with the support plate 3, thereby being beneficial to supporting the coal mine;

and a second step of: when facing the mine holes with different heights, the air cylinder 13 can be opened to enable the air cylinder 13 to push the fixed plate 1 to move upwards, meanwhile, the movable column 10 is driven to slide in the sleeve 11, and the air cylinder 13 can be closed when the fixed plate 1 rises to a certain height, so that the method is beneficial to the application of different mine holes.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

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

Claims (6)

1. The utility model provides a colliery is firm support for tunnelling in pit, includes fixed plate (1), its characterized in that: the surface fixedly connected with rectangle piece (2) of fixed plate (1), the top fixedly connected with backup pad (3) of rectangle piece (2), the surface rotation of rectangle piece (2) is connected with cylinder (4), the one end fixedly connected with fly leaf (5) of cylinder (4), the surface fixedly connected with expansion board (6) of fly leaf (5), the bottom fixedly connected with fixed block (7) of fly leaf (5), the surface rotation of fixed block (7) is connected with movable rod (8), the surface center department fixedly connected with electric telescopic handle (9) of movable rod (8), the bottom fixedly connected with movable column (10) of fixed plate (1), the surface sliding connection of movable column (10) has sleeve (11).

2. A steady support for underground coal mine tunnelling as claimed in claim 1, wherein: the bottom of the sleeve (11) is fixedly connected with a bottom plate (12), and the surface of the bottom plate (12) is fixedly connected with a cylinder (13).

3. A steady support for underground coal mine tunnelling as claimed in claim 2, wherein: one end of the air cylinder (13) is fixedly connected with a push rod (14), and one end of the push rod (14) is fixedly connected with a fixing plate (1).

4. A steady support for underground coal mine tunnelling as claimed in claim 1, wherein: one end of the electric telescopic rod (9) is fixedly connected with a guide rod (15), and the surface of the guide rod (15) is rotatably connected with a rectangular block (2).

5. A steady support for underground coal mine tunnelling as claimed in claim 2, wherein: the bottom of the bottom plate (12) is fixedly connected with universal wheels (16), and the number of the universal wheels (16) is four.

6. A steady support for underground coal mine tunnelling as claimed in claim 1, wherein: one side of the rectangular block (2) is fixedly connected with two sloping plates.