CN211777572U

CN211777572U - Coal mine coal face upper corner gas extraction device

Info

Publication number: CN211777572U
Application number: CN202020294934.1U
Authority: CN
Inventors: 王辉; 吴向儒; 梁苗
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-27
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a coal mine coal face upper corner gas drainage device, include: the air suction device comprises a filter box, an adjusting box, a bottom plate and an air inlet block, wherein the filter box is fixed at the bottom of the adjusting box, the right end of the filter box is connected with an air pipe, an air suction pump is fixed on the air pipe, a screw rod is arranged in the adjusting box, the upper end of the screw rod extends upwards and is connected with the air inlet block, and an adjusting groove and a through hole are formed in the adjusting box; the filter box is internally and vertically fixed with a filter plate, the filter plate right side is vertically provided with a cleaning plate, and a plurality of cleaning needles are uniformly fixed on the left side wall of the cleaning plate. When the utility model is used, the internal gear can be driven to rotate by rotating the rotating handle, so as to drive the screw rod, and the screw rod is enabled to vertically displace, thereby adjusting the height of the air inlet block and improving the applicability of the device; drive connecting rod and clearance board through the pulling handle, the clearance board removes to the filter, clears up the filtration pore of filter through the clearance needle, and is convenient to the filter clearance.

Description

Coal mine coal face upper corner gas extraction device

Technical Field

The utility model relates to a coal mine technical field, more specifically are coal mine coal face upper corner gas drainage device.

Background

The coal mining working face is a first production site of coal, has the characteristics of narrow operation space, more mechanical equipment, poor visual environment and high temperature, has frequent safety accidents, seriously influences the safety management work of the whole coal mine, and is a key area in the safety management work of the coal mine. The upper corner is generally used in mining terminology and refers to the return air side of the coal face, and is the triangular zone near the upper wall of the return air roadway and the edge of the gob.

At present, the existing upper corner gas extraction device has the following problems: (1) the adjustment of the acquisition port is not convenient enough, and the acquisition port can not adapt to areas with different heights for use, so that the applicability is poor; (2) the filter plate is used for filtering coal dust, dust and the like in gas, the surface of the filter plate is easy to block, and the normal operation of extraction work is influenced. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coal mine coal face upper corner gas drainage device has solved the problem that provides in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine coal face upper corner gas extraction device comprises: the air suction device comprises a filter box, an adjusting box, a bottom plate and an air inlet block, wherein the filter box is fixed at the bottom of the adjusting box, the right end of the filter box is connected with an air pipe, an air suction pump is fixed on the air pipe, a screw rod is arranged in the adjusting box, the upper end of the screw rod extends upwards and is connected with the air inlet block, an adjusting groove and a through hole are formed in the adjusting box, a rotating handle is rotatably connected to the adjusting box, the tail end of the rotating handle penetrates through the through hole and is arranged in the adjusting groove, bevel gears are arranged in the middle of the screw rod and the tail end of the rotating handle, the two bevel gears are meshed and connected, a threaded hole is formed in the middle of; the filter box is internally and vertically fixed with a filter plate, the filter plate right side is vertically provided with a cleaning plate, a plurality of cleaning needles are evenly fixed on the left side wall of the cleaning plate, a connecting rod is fixed in the middle of the cleaning plate, and the left end of the connecting rod extends to the outside of the filter box and is connected with a pull handle.

As the utility model discloses a preferred embodiment, a plurality of bleeder vent has evenly been seted up on the surface of clearance board, spring two has been cup jointed on the connecting rod, filter and clearance board are arranged in to spring two between, be provided with the connector on the right side wall of rose box.

As an optimal implementation mode of the utility model, be connected with the sleeve pipe between regulating box and the rose box, the sleeve pipe is aerial structure just screw rod lower extreme swing joint is intraductal in the sleeve pipe, the spacing groove has been seted up to the inside pipe wall, the lower extreme both sides of screw rod are connected with the gag lever post, the gag lever post end extends to the spacing inslot.

As a preferred embodiment of the utility model, the inlet port has been seted up to the air inlet piece bottom, the inlet port is linked together with the screw rod middle part, the air inlet piece is provided with the protection shield, the vertical buffer beam that is connected with in protection shield bottom surface middle part, the inside dashpot that has seted up of air inlet piece, the buffer beam lower extreme extends to in the dashpot and is connected with the limiting plate, still be provided with spring one in the dashpot.

As an optimal implementation mode of the utility model, the rose box is fixed on the bottom plate, the bottom surface of bottom plate is close to the corner and all is fixed with the callus on the sole.

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

(1) this take out and adopt device, accessible rotate when using and drive inside gear revolve to drive the screw rod, make the screw rod vertical displacement, thereby adjust the height of air inlet block, improve device's suitability.

(2) This take out and adopt device drives connecting rod and clearance board through the pulling handle, and the clearance board removes to the filter, clears up the filtration pore of filter through the clearance needle, and is convenient to the filter clearance.

Drawings

FIG. 1 is an overall structure diagram of a coal mine coal face upper corner gas extraction device of the utility model;

FIG. 2 is an internal structure view of the coal mining working face upper corner gas extraction device of the utility model;

fig. 3 is an enlarged view of a in fig. 2.

In the figure, an air extracting pump 1; an air pipe 2; a filter tank 3; an adjusting box 4; a sleeve 5; a rotating handle 6; a bottom plate 7; a foot pad 8; a pull handle 9; a screw 10; an air intake block 11; a protective plate 12; a connection port 13; a through hole 14; an adjustment groove 15; a bevel gear 16; an air intake hole 17; a buffer tank 18; a buffer rod 19; a first spring 20; a connecting rod 21; a filter plate 22; a cleaning plate 23; air holes 24; a second spring 25; a fixing hole 26; a cleaning needle 27; a stopper rod 28; a limit groove 29.

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, the present invention provides a technical solution: a coal mine coal face upper corner gas extraction device comprises: the filter box 3, the adjusting box 4, the bottom plate 7 and the air inlet block 11, the filter box 3 is fixed at the bottom of the adjusting box 4, the air pipe 2 is connected at the right end of the filter box 3, the air suction pump 1 is fixed on the air pipe 2, the screw rod 10 is arranged in the adjusting box 4, the upper end of the screw rod 10 extends upwards and is connected with the air inlet block 11, the adjusting box 4 is internally provided with an adjusting groove 15 and a through hole 14, the adjusting box 4 is rotatably connected with a rotating handle 6, the tail end of the rotating handle 6 penetrates through the through hole 14 and is arranged in the adjusting groove 15, a bearing is arranged in the through hole 14 and is connected with the rotating handle 6 to improve the rotating stability, the middle part of the screw rod 10 and the tail end of the rotating handle 6 are both provided with bevel gears 16, the two bevel gears 16 are meshed and connected, the middle part of the bevel gear 16 on the screw rod 10 is, after the bevel gear 16 rotates, the screw 10 vertically moves under the influence of the threads, so that the effect of adjusting the air inlet block 11 is achieved; vertical filter 22 that is fixed with in the rose box 3, the vertical clearance board 23 that is provided with in filter 22 right side, evenly be fixed with a plurality of clearance needle 27 on the left side wall of clearance board 23, clearance board 23 middle part is fixed with connecting rod 21, connecting rod 21's left end extends to filter 3 outer and be connected with handle 9, in the time of the filtration pore blocking on filter 22, the pulling handle 9 and drive clearance board 23 through connecting rod 21, clearance board 23 removes and clears up filter 22's filtration pore through clearance needle 27 to filter 22, high durability and convenient use.

In a further improvement, as shown in fig. 3: a plurality of air holes 24 are uniformly formed in the surface of the cleaning plate 23, normal extraction is not affected, a second spring 25 is sleeved on the connecting rod 21, the second spring 25 is arranged between the filter plate 22 and the cleaning plate 23, a connecting port 13 is formed in the right side wall of the filter box 3, and the second spring 25 applies pressure to the cleaning plate 23, so that the cleaning plate 23 can automatically reset.

Further improved, as shown in fig. 2: be connected with sleeve pipe 5 between regulating box 4 and the rose box 3, sleeve pipe 5 is aerial structure and screw rod 10 lower extreme swing joint in sleeve pipe 5, and spacing groove 29 has been seted up to sleeve pipe 5 inner wall, and the lower extreme both sides of screw rod 10 are connected with gag lever post 28, and the gag lever post 28 end extends to in the spacing groove 29, and sleeve pipe 5 plays spacing effect to screw rod 10, avoids following the rotation at the in-process screw rod 10 of adjusting.

Further improved, as shown in fig. 2: air inlet 17 has been seted up to air inlet block 11 bottom, air inlet 17 is linked together with screw 10 middle part, air inlet block 11 is provided with protection shield 12, the vertical buffer beam 19 that is connected with in protection shield 12 bottom surface middle part, buffer slot 18 has been seted up to air inlet block 11 inside, the buffer beam 19 lower extreme extends to in the buffer slot 18 and is connected with the limiting plate, still be provided with spring one 20 in the buffer slot 18, protection shield 12 is domes and adopts rubber materials to make, plays the effect of protection to air inlet block 11.

Specifically, rose box 3 is fixed on bottom plate 7, and bottom plate 7's bottom surface all is fixed with callus on the sole 8 near the corner, and callus on the sole 8 is used for supporting bottom plate 7.

When the utility model is used, the device is arranged at the place to be extracted, then the air pipe 2 is connected at the connecting port 13 of the filter box 3, the rotating handle 6 is rotated, the two bevel gears 16 are driven to rotate by the rotating handle 6, when the bevel gears 16 on the screw rod 10 rotate, the screw rod 10 moves vertically under the influence of the screw thread, thereby adjusting the height of the air inlet block 11, starting the air pump 1 after the adjustment is finished, pumping air by the air pump 1, pumping air into the air inlet block 11 through the air inlet hole 17, and enters the filter box 3 through the screw 10, is filtered by the filter plate 22, is output through the air pipe 2 after being filtered, after the filter plate 22 is blocked, the pull handle 9 is pulled to drive the cleaning plate 23 to move towards the filter plate 22, and come to clear up filter plate 22 surface filtration pore through clearance needle 27, avoid causing the influence because of filter plate 22 blocks up to adopt.

Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A coal mine coal face upper corner gas extraction device comprises: rose box (3), regulating box (4), bottom plate (7) and air inlet block (11), its characterized in that: the filter box (3) is fixed at the bottom of the adjusting box (4), the right end of the filter box (3) is connected with the air pipe (2), an air pump (1) is fixed on the air pipe (2), a screw rod (10) is arranged in the adjusting box (4), the upper end of the screw rod (10) extends upwards and is connected with an air inlet block (11), an adjusting groove (15) and a through hole (14) are arranged in the adjusting box (4), the adjusting box (4) is rotatably connected with a rotating handle (6), the tail end of the rotating handle (6) penetrates through the through hole (14) and is arranged in the adjusting groove (15), the middle part of the screw rod (10) and the tail end of the rotating handle (6) are both provided with bevel gears (16), the two bevel gears (16) are meshed and connected, a threaded hole is formed in the middle of a bevel gear (16) positioned on the screw rod (10), and the bevel gear (16) is in threaded connection with the screw rod (10);

the filter box is characterized in that a filter plate (22) is vertically fixed in the filter box (3), a cleaning plate (23) is vertically arranged on the right side of the filter plate (22), a plurality of cleaning needles (27) are uniformly fixed on the left side wall of the cleaning plate (23), a connecting rod (21) is fixed in the middle of the cleaning plate (23), and the left end of the connecting rod (21) extends to the outside of the filter box (3) and is connected with a pull handle (9).

2. The coal mine coal face upper corner gas extraction device according to claim 1, characterized in that: a plurality of air holes (24) are uniformly formed in the surface of the cleaning plate (23), a second spring (25) is sleeved on the connecting rod (21), the second spring (25) is arranged between the filter plate (22) and the cleaning plate (23), and a connector (13) is arranged on the right side wall of the filter box (3).

3. The coal mine coal face upper corner gas extraction device according to claim 1, characterized in that: be connected with sleeve pipe (5) between regulating box (4) and rose box (3), sleeve pipe (5) are aerial structure just screw rod (10) lower extreme swing joint is in sleeve pipe (5), spacing groove (29) have been seted up to sleeve pipe (5) inner wall, the lower extreme both sides of screw rod (10) are connected with gag lever post (28), gag lever post (28) end extends to in spacing groove (29).

4. The coal mine coal face upper corner gas extraction device according to claim 1, characterized in that: air inlet hole (17) have been seted up to air inlet block (11) bottom, air inlet hole (17) are linked together with screw rod (10) middle part, air inlet block (11) are provided with protection shield (12), the vertical buffer beam (19) that is connected with in protection shield (12) bottom surface middle part, buffer slot (18) have been seted up to air inlet block (11) inside, buffer beam (19) lower extreme extends to in buffer slot (18) and is connected with the limiting plate, still be provided with spring (20) in buffer slot (18).

5. The coal mine coal face upper corner gas extraction device according to claim 1, characterized in that: the filter box (3) is fixed on the bottom plate (7), and foot pads (8) are fixed on the bottom surface of the bottom plate (7) close to the corners.