CN210195812U

CN210195812U - Drainage device in coal mine goaf

Info

Publication number: CN210195812U
Application number: CN201920714232.1U
Authority: CN
Inventors: Shanyang Wei; 韦善阳; Rihong Qu; 曲日红; Qing Miao; 苗青
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2019-05-18
Filing date: 2019-05-18
Publication date: 2020-03-27
Anticipated expiration: 2029-05-18

Abstract

The utility model discloses a drainage device in coal mine collecting space area relates to mining drainage equipment technical field, including fixed wall and the fixed suction pump that sets up in fixed wall one side that blocks water, the play water end fixedly connected with connecting pipe of suction pump, one side of connecting pipe is provided with the drain pipe, spacing draw-in groove has been seted up to the outside surface position department of drain pipe, the opposite side of fixed wall that blocks water is provided with PMKD, PMKD's upper end fixed surface is provided with the fixed column. The utility model discloses set up PMKD, spacing snap ring, spacing draw-in groove, supporting seat, ground nail hole, fixed plate and tensioning threaded rod, can firmly stabilize spacing fixed mounting with the drain pipe, improved drainage device's mounting structure stability, prevent that drainage device from carrying out the easy emergence skew of drainage during operation drain pipe and rocking influence drainage effect, avoid the drain pipe to take place the skew to rock simultaneously and lead to the drain pipe impaired.

Description

Drainage device in coal mine goaf

Technical Field

The utility model relates to a mining drainage equipment technical field specifically is a drainage device in coal mine collecting space area.

Background

The areas where mankind exploits coal resources in coal-rich mining areas are generally divided into miners and opencast mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the ground surface, the coal is generally excavated by directly stripping the surface soil layer, which is an open-pit coal mine, because underground coal resources are required to be mined and transported away in the coal mining process, generally, a method similar to a method of passing through a mountain tunnel on a road is adopted in the tunneling process, the tunnel from the position of the underground coal to the coal mine port is gradually opened, ores, coal and the like encountered in the mining process are generally transported to the ground so as to form a reasonable transportation and mining operation surface, and along with the continuous transportation of the coal and other ores, the coal goaf is formed underground.

However, the firm stability of traditional coal mine goaf drainage device mounting structure is relatively poor, and the drain pipe easily takes place the skew to rock when leading to drainage device to carry out drainage work and influences drainage effect, and the drain pipe easily leads to the drain pipe impaired when taking place the skew to rock to traditional coal mine goaf drainage device leakproofness is relatively poor, leads to drainage device to take place to leak the phenomenon in drainage process, and consequently, technical staff in the field provides a drainage device in coal mine goaf.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage device in coal mine collecting space area to it is relatively poor to solve the firm stability who provides traditional coal mine collecting space area drainage device mounting structure in the above-mentioned background art, it takes place the skew easily to rock and influences the drainage effect to lead to drainage device to carry out the drainage during operation drain pipe, it is impaired to lead to the drain pipe easily when rocking to take place the skew for the drain pipe, and traditional coal mine collecting space area drainage device leakproofness is relatively poor, lead to drainage device to take place the problem of leakage phenomenon at the drainage in-process.

In order to achieve the above object, the utility model provides a following technical scheme:

a drainage device of a coal mine goaf comprises a fixed water-blocking wall and a water suction pump fixedly arranged on one side of the fixed water-blocking wall, wherein a connecting pipe is fixedly connected to the water outlet end of the water suction pump, a water discharge pipe is arranged on one side of the connecting pipe, a limiting clamping groove is formed in the position of the outer side surface of the water discharge pipe, an opening is formed in the position of the surface of the fixed water-blocking wall, a fixed bottom plate is arranged on the other side of the fixed water-blocking wall, a fixed column is fixedly arranged on the upper end surface of the fixed bottom plate, a movable column is movably sleeved at the upper end of the fixed column, a supporting seat is fixedly connected to the upper end of the movable column, two limiting clamping rings are movably hinged to the upper end of the supporting seat, a second sealing ring cushion is fixedly arranged on the outer side surface of the opening, the surface of the second sealing washer is fixedly provided with a positioning column, and the surface of the first sealing washer is provided with a positioning groove.

As a further aspect of the present invention: the diameter size of spacing snap ring and the diameter size looks adaptation of spacing draw-in groove, the fixed plate that is provided with in upper end position department of spacing snap ring, fixed plate threaded connection has the tensioning threaded rod.

As a further aspect of the present invention: the surface of the second sealing washer pad is provided with a sealing convex body at a position close to one side of the sealing convex body, the surface of the first sealing washer pad is provided with a sealing groove at a position close to one side of the positioning groove, the size of the positioning column is matched with that of the positioning groove, and the size of the sealing convex body is matched with that of the sealing groove.

As a further aspect of the present invention: the fixed second ring flange that is provided with in one end position department of connecting pipe, the fixed first ring flange that is provided with in one end position department of drain pipe, the equal threaded connection of first ring flange and second ring flange has the bolt.

As a further aspect of the present invention: the inboard of drain pipe is fixed and is provided with switch valve, the side position threaded connection of fixed column has the extrusion threaded rod.

As a further aspect of the present invention: the surface position of the fixed bottom plate is fixedly provided with a ground nail hole.

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

1. the utility model discloses set up PMKD, spacing snap ring, spacing draw-in groove, supporting seat, ground nail hole, fixed plate and tensioning threaded rod, can firmly stabilize spacing fixed mounting with the drain pipe, improved drainage device's mounting structure stability, prevent that drainage device from carrying out the easy emergence skew of drainage during operation drain pipe and rocking influence drainage effect, avoid the drain pipe to take place the skew to rock simultaneously and lead to the drain pipe impaired.

2. The utility model discloses set up first sealing washer pad, second sealing washer pad, constant head tank, reference column, sealed convex body and sealed recess, increased substantially the leakproofness between fixed wall and the drain pipe that blocks water, prevented that drainage device from taking place the leakage phenomenon at the drainage process.

3. The utility model discloses set up extrusion threaded rod, fixed column and activity post, be convenient for adjust the high position of spacing snap ring, can adjust the activity post according to the ground situation activity, be convenient for transfer the drain pipe to stationary state fast.

Drawings

FIG. 1 is a schematic structural view of a drainage device for a goaf of a coal mine;

FIG. 2 is a schematic structural view of a limit snap ring in a drainage device in a coal mine goaf;

fig. 3 is a schematic structural view of a first gasket and a second gasket in a drainage device of a coal mine goaf.

In the figure: 1. a limiting clamping groove; 2. a first gasket ring; 3. fixing a water blocking wall; 4. a first flange plate; 5. a bolt; 6. A water pump; 7. a connecting pipe; 8. a second flange plate; 9. a port; 10. a second gasket; 11. fixing a column; 12. fixing the bottom plate; 13. a movable post; 14. a limit snap ring; 15. a drain pipe; 16. opening and closing the valve; 17. a ground nail hole; 18. extruding the threaded rod; 19. a supporting seat; 21. tensioning the threaded rod; 22. a fixing plate; 23. positioning a groove; 24. a positioning column; 25. sealing the convex body; 26. the groove is sealed.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a drainage apparatus for a coal mine goaf includes a fixed water-blocking wall 3 and a water pump 6 fixedly disposed at one side of the fixed water-blocking wall 3, a connection pipe 7 is fixedly connected to a water outlet end of the water pump 6, a drainage pipe 15 is disposed at one side of the connection pipe 7, a position-limiting clamping groove 1 is disposed at an outer side surface position of the drainage pipe 15, a through hole 9 is disposed at a surface position of the fixed water-blocking wall 3, a fixed bottom plate 12 is disposed at the other side of the fixed water-blocking wall 3, a fixed column 11 is fixedly disposed at an upper end surface of the fixed bottom plate 12, a movable column 13 is movably sleeved at an upper end of the fixed column 11, a supporting seat 19 is fixedly connected at an upper end of the movable column 13, two position-limiting clamping rings 14 are movably hinged at an upper end of the supporting seat 19, a second gasket 10 is fixedly disposed at an, the surface of the second gasket 10 is fixedly provided with a positioning column 24, and the surface of the first gasket 2 is provided with a positioning groove 23.

In fig. 2: the diameter size of spacing snap ring 14 and the diameter size looks adaptation of spacing draw-in groove 1, the fixed plate 22 that is provided with in the upper end position department of spacing snap ring 14, fixed plate 22 threaded connection has tensioning threaded rod 21, has reached the purpose of being convenient for install fixed drain pipe 15.

In fig. 3: the surface of second sealing washer 10 is close to sealed convex body 25 one side position department and sets up the fixed sealed convex body 25 that is provided with, and the surface of first sealing washer 2 is close to constant head tank 23 one side position department and sets up sealed recess 26, and the size of reference column 24 and the size looks adaptation of constant head tank 23, the size of sealed convex body 25 and the size looks adaptation of sealed recess 26 have reached the purpose that can strengthen the leakproofness between opening 9 and the drain pipe 15.

In fig. 1: the fixed second ring flange 8 that is provided with of one end position department of connecting pipe 7, the fixed first ring flange 4 that is provided with of one end position department of drain pipe 15, the equal threaded connection of first ring flange 4 and second ring flange 8 has bolt 5, has reached the purpose of being convenient for dismantle installation drain pipe 15 on connecting pipe 7.

In fig. 1: the switch valve 16 is fixedly arranged on the inner side of the drain pipe 15, and the extrusion threaded rod 18 is in threaded connection with the side position of the fixed column 11, so that the purpose of fixing the movable column 13 on the fixed column 11 is achieved.

In fig. 2: the surface position of the fixed bottom plate 12 is fixedly provided with a ground nail hole 17, so that the purpose of fixing the fixed bottom plate 12 on the ground by using a ground nail conveniently is achieved.

The utility model discloses a theory of operation is: when the drainage device is used, a drainage pipe 15 penetrates through a fixed water blocking wall 3 through a through hole 9, a second sealing ring pad 10 is fixedly arranged on the outer side surface of the through hole 9, a first sealing ring pad 2 of the drainage pipe 15 is installed in a butt joint mode with the second sealing ring pad 10, a positioning column 24 is inserted into a positioning groove 23, a sealing convex body 25 is embedded into a sealing groove 26, two limiting snap rings 14 are clamped in the limiting snap grooves 1, a tensioning threaded rod 21 is rotated to enable the limiting snap rings 14 to clamp and lock the drainage pipe 15, a first flange plate 4 of the drainage pipe 15 is fixedly connected with a second flange plate 8 of a connecting pipe 7 through bolts 5, a movable column 13 is adjusted up and down according to the ground condition, the drainage pipe 15 is enabled to be in a stable state, ground nail holes 17 are fixedly formed in the surface position of a fixed bottom plate 12, and the fixed bottom plate 12 is fixed on, the water pump 6 is started to drain water.

The above-mentioned, 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. A drainage device of a coal mine goaf comprises a fixed water-blocking wall (3) and a water suction pump (6) fixedly arranged on one side of the fixed water-blocking wall (3), and is characterized in that a water outlet end of the water suction pump (6) is fixedly connected with a connecting pipe (7), a water discharge pipe (15) is arranged on one side of the connecting pipe (7), a limiting clamping groove (1) is formed in the outer side surface position of the water discharge pipe (15), an opening (9) is formed in the surface position of the fixed water-blocking wall (3), a fixed bottom plate (12) is arranged on the other side of the fixed water-blocking wall (3), a fixed column (11) is fixedly arranged on the upper end surface of the fixed bottom plate (12), a movable column (13) is movably sleeved at the upper end of the fixed column (11), a supporting seat (19) is fixedly connected at the upper end of the movable column (13), and two limiting clamping rings (14) are movably hinged, the outside fixed surface of opening (9) is provided with second sealing washer pad (10), the outside surface of drain pipe (15) is close to the fixed cover of spacing draw-in groove (1) one side position department and has been connect first sealing washer pad (2), the fixed surface of second sealing washer pad (10) is provided with reference column (24), constant head tank (23) have been seted up on the surface of first sealing washer pad (2).

2. The drainage device of a coal mine goaf according to claim 1, characterized in that the diameter of the limiting snap ring (14) is matched with the diameter of the limiting snap ring (1), a fixing plate (22) is fixedly arranged at the upper end of the limiting snap ring (14), and a tensioning threaded rod (21) is connected to the fixing plate (22) in a threaded manner.

3. The drainage device of a coal mine goaf according to claim 1, wherein a second flange (8) is fixedly arranged at one end of the connecting pipe (7), a first flange (4) is fixedly arranged at one end of the drainage pipe (15), and the first flange (4) and the second flange (8) are both in threaded connection with bolts (5).

4. The drainage apparatus of a coal mine goaf according to claim 1, characterized in that a switch valve (16) is fixedly arranged at the inner side of the drainage pipe (15), and a pressing threaded rod (18) is in threaded connection with the side position of the fixed column (11).

5. The drainage apparatus of a coal mine goaf according to claim 1, wherein ground nail holes (17) are fixedly formed at surface positions of the fixed bottom plate (12).