CN218890294U

CN218890294U - Colliery tunnel entry face compressed air filter equipment

Info

Publication number: CN218890294U
Application number: CN202222544870.8U
Authority: CN
Inventors: 迟海波; 方少华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-04-21
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a coal mine tunnel tunneling working face compressed air filtering device which comprises a first fixed ring, a filter element placing groove and a drilling machine air inlet pipe, wherein an upper compressed air pipe is arranged at the top of a lower compressed air pipe, two supporting inclined rods are symmetrically and fixedly connected to the bottom of the inner side of the lower compressed air pipe, a tray is fixedly connected to the top ends of the two supporting inclined rods together, the filter element placing groove is formed in the top of the tray, filter elements are commonly arranged at the inner sides of the upper compressed air pipe and the lower compressed air pipe, the bottom ends of the filter elements are inserted into the inner sides of the filter element placing groove, the upper compressed air pipe top longitudinally penetrates through the fixed ring and is sleeved with a tunnel air inlet pipe, a rocking handle drives a vertical threaded rod to rotate, the vertical threaded rod is matched with threads of a lifting ring through sliding fit of a vertical sliding rod and the lifting ring, and then the vertical threaded rod rotates to drive the lifting ring to move downwards, so that the lower compressed air pipe is far away from the upper compressed air pipe, and a worker can clean or replace the filter elements by taking out the filter elements.

Description

Colliery tunnel entry face compressed air filter equipment

Technical Field

The utility model relates to a filtering device, in particular to a compressed air filtering device for a coal mine tunnel driving working face.

Background

In the process of executing N1100-1 high-speed roadway tunneling, an MQT-130 drilling machine is usually used for supporting roof bolts and anchor ropes, an YT-28 pneumatic rock drill is used for supporting the roof bolts, the two drilling machines are pneumatic drilling machines, wind pressure is connected with a 4-inch steel pipe through a compressed air pipe in a roadway, rust and other impurities are unavoidable in the pipe, water vapor and dust are mixed in the compressed air, the compressed air entering the drilling machine is impure, parts of the drilling machine are blocked and rusted after a period of use, the supporting time is influenced, tools are possibly damaged, and maintenance workers need to be arranged every day for cleaning.

The utility model discloses a Chinese patent with the publication number of CN216170840U, which relates to a coal mine tunnel tunneling working face compressed air filtering device, comprising a compressed air pipe which is vertically arranged, wherein the compressed air pipe is a hollow pipe with two open ends, a drain valve is arranged at the bottom of the compressed air pipe in a sealing way, an air inlet valve is arranged at the top of the compressed air pipe in a sealing way through a flange, and the air inlet valve is externally connected with a tunnel air inlet pipe.

Among the above-mentioned prior art, the filter core is after long-time use, need take out it and clear up or change, and the filter core is installed in the air duct after, can not be convenient take out the filter core and clear up the change, based on this, we propose a new colliery tunnel driving face compressed air filter equipment to optimize it.

Disclosure of Invention

The utility model aims to provide a coal mine tunnel driving working face compressed air filtering device which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a colliery tunnel heading face compressed air filter equipment, includes pressure air pipe and pressure air pipe down, it sets up in the pressure air pipe top down to go up the pressure air pipe, the inboard bottom symmetry fixedly connected with of pressure air pipe is two support down supports the diagonal bar, two the common fixedly connected with tray in top of support diagonal bar, the filter core standing groove has been seted up at the tray top, it is provided with the filter core jointly to go up the pressure air pipe with the inboard of pressure air pipe down, the inboard of filter core inserts to the filter core standing groove, it has the tunnel air-supply line to go up the vertical run-through of pressure air pipe top, the top of tunnel air-supply line stretches out to outside, the bottom of tunnel air-supply line stretches into the inboard of filter core, the outside of tunnel air-supply line runs through the fixed cover and is equipped with the clamp ring, the rig air-supply line of one side transverse run-through fixedly connected with rather than inside intercommunication, the outside fixed cover of going up the pressure air pipe is equipped with the second fixed ring, the outside fixed cover of pressure air pipe is equipped with the lift ring down, the below of pressure air pipe is provided with first fixed ring, the bottom of first fixed ring inserts to the inboard of filter core standing groove, three fixed connection has the vertical ring, three vertical ring top and vertical ring of three vertical ring is connected with the vertical rod's top fixed connection, vertical ring top three vertical ring is fixed with the vertical rod.

As a further scheme of the utility model: the bottom surface of the compression ring is in sealing fit with the top surface of the filter element.

As still further aspects of the utility model: the inner diameter of the first fixing ring is larger than the outer diameter of the downward-pressure air pipe.

As still further aspects of the utility model: the lower air duct is characterized in that a circle of annular groove is formed in the top of the lower air duct, an annular sealing ring is arranged on the inner side of the annular groove, and the top surface of the annular sealing ring protrudes out of the annular groove and then is tightly attached to the bottom surface of the upper air duct.

As still further aspects of the utility model: the mounting plate is fixedly connected to the rear side wall of the upper air pressing pipe, and four mounting holes are symmetrically and transversely formed in the mounting plate in a penetrating mode.

As still further aspects of the utility model: the liquid discharge pipe is provided with a first valve.

As still further aspects of the utility model: and a second valve is arranged on the air inlet pipe of the drilling machine.

As still further aspects of the utility model: and a third valve is arranged on the roadway air inlet pipe.

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

1. the vertical threaded rod is driven to rotate through the shaking rocking handle, the vertical threaded rod is in threaded fit with the lifting ring, and the lifting ring is driven to move downwards through the sliding fit of the vertical sliding rod and the lifting ring, and then the lower air pressing pipe is driven to move downwards, so that the lower air pressing pipe is far away from the upper air pressing pipe, a person can take out the filter element to clean or replace the filter element, and the person can conveniently take out the filter element to clean or replace the filter element.

2. The compressed air flows out from the filtering holes on the four sides of the filter element after being filtered by the filter element, and the filtered relatively pure compressed air enters the air inlet pipe of the drilling machine and then enters the drilling machine, so that the pollution and damage problem caused by the entry of impurities in the compressed air into the drilling machine is greatly reduced.

3. Through the arrangement of the annular sealing ring, the butt joint of the upper air pressing pipe and the lower air pressing pipe has good sealing performance.

Drawings

FIG. 1 is a schematic cross-sectional structure of a coal mine tunnel driving face compressed air filtering device.

FIG. 2 is an enlarged view of the position A in the coal mine tunnel driving face compressed air filtering device.

FIG. 3 is a state diagram of the coal mine tunnel driving face compressed air filtering device after the compressed air pipe moves downwards.

FIG. 4 is a schematic view of the structure of the first fixing ring of the coal mine tunnel driving face compressed air filtering device.

The figure shows: the filter element placing groove comprises a first fixing ring 1, a filter element placing groove 2, a vertical sliding rod 3, a supporting inclined rod 4, a tray 5, a lifting ring 6, a second fixing ring 7, a drilling machine air inlet pipe 8, a filter element 9, a roadway air inlet pipe 10, a compression ring 11, an upper compressed air pipe 12, a mounting hole 13, a mounting plate 14, a lower compressed air pipe 15, a liquid discharge pipe 16, a vertical threaded rod 17, a rocking handle 18, an annular groove 19, an annular sealing ring 20, a first valve 21, a second valve 22 and a third valve 23.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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. 1-4, in the embodiment of the utility model, a coal mine tunnel tunneling working face compressed air filtering device comprises an upper compressed air pipe 12 and a lower compressed air pipe 15, wherein the upper compressed air pipe 12 is arranged at the top of the lower compressed air pipe 15, two supporting diagonal rods 4 are symmetrically and fixedly connected to the bottom of the inner side of the lower compressed air pipe 15, the top ends of the two supporting diagonal rods 4 are fixedly connected with a tray 5 together, a filter element placing groove 2 is arranged at the top of the tray 5, filter elements 9 are commonly arranged at the inner sides of the upper compressed air pipe 12 and the lower compressed air pipe 15, the bottom ends of the filter elements 9 are inserted into the inner sides of the filter element placing groove 2, the filter elements 9 are filter elements which are in the market, an air inlet is arranged at the top end of the filter elements, air is discharged from a side filtering mesh, a tunnel air inlet pipe 10 longitudinally penetrates through and fixedly sleeved at the top of the upper compressed air pipe 12, the top end of the tunnel air inlet pipe 10 extends to the outside, the bottom end of the tunnel air inlet pipe 10 extends into the inner side of the filter elements 9, the outside of the tunnel air inlet pipe 10 longitudinally penetrates through the fixed sleeve and is provided with a compression ring 11, the bottom surface of the compression ring 11 is in sealing fit with the top surface of the filter element 9, one side of the upper air inlet pipe 12 is transversely and fixedly connected with a drilling machine air inlet pipe 8 communicated with the inside of the upper air inlet pipe, the outside of the upper air inlet pipe 12 is fixedly sleeved with a second fixed ring 7, the outside of the lower air inlet pipe 15 is fixedly sleeved with a lifting ring 6, the lower part of the lower air inlet pipe 15 is provided with a first fixed ring 1, three vertical sliding rods 3 are fixedly connected with the three sides at the top of the first fixed ring 1, the top ends of the three vertical sliding rods 3 are fixedly connected with the bottom of the second fixed ring 7, the lifting ring 6 longitudinally penetrates through the sliding sleeve and is arranged at the outer sides of the three vertical sliding rods 3, the lifting ring 6 is longitudinally penetrated through a threaded sleeve and is connected with a vertical threaded rod 17, the top end of the vertical threaded rod 17 is rotationally connected with the bottom of the second fixed ring 7, the bottom end of the vertical threaded rod 17 penetrates through the first fixed ring 1 and is fixedly connected with a rocking handle 18.

The inner diameter of the first fixing ring 1 is larger than the outer diameter of the down-draft tube 15 so that the down-draft tube 15 can pass through the first fixing ring 1.

A circle of annular groove 19 is formed in the top of the lower air pressing pipe 15, an annular sealing ring 20 is arranged on the inner side of the annular groove 19, and the top surface of the annular sealing ring 20 protrudes out of the annular groove 19 and then is tightly attached to the bottom surface of the upper air pressing pipe 12.

The rear side wall of the upper air pressing pipe 12 is fixedly connected with a mounting plate 14, and four mounting holes 13 are symmetrically and transversely formed in the mounting plate 14 in a penetrating mode, so that the device can be conveniently and fixedly mounted.

The drain pipe 16 is provided with a first valve 21, and the first valve 21 is used for controlling the opening and closing of the drain pipe 16.

The second valve 22 is arranged on the drilling machine air inlet pipe 8, and the second valve 22 is used for controlling the opening and closing of the drilling machine air inlet pipe 8.

A third valve 23 is installed on the tunnel air inlet pipe 10, and the third valve 23 is used for controlling the opening and closing of the tunnel air inlet pipe 10.

The working principle of the utility model is as follows:

this colliery tunnel heading face compressed air filter equipment is when using, with this filter equipment installation intercommunication in the pipeline that compressed air pipe and rig are connected in the middle of, set up mounting hole 13 and mounting panel 14 accessible bolt with this filter equipment fixed mounting, open second valve 22 and third valve 23, tunnel compressed air gets into to filter core 9 through tunnel air-supply line 10, compressed air filters the back through filter core 9 and flows out from the filtration pore of four sides of filter core 9, get into to the rig after the comparatively pure compressed air gets into to rig air-supply line 8 after filtering, thereby the impurity in the compressed air gets into the problem that causes the pollution damage in the rig greatly, thereby prolonged the life of rig, be used for discharging down compressed air pipe 15 bottom gathering water through opening first valve 21, when needs take out filter core 9 and clear up or change, drive vertical threaded rod 17 through vertical threaded rod 17 and lift ring 6's screw-thread fit, and through vertical threaded rod 17 and lift ring 6's sliding fit, and vertical 17 rotate and drive lift ring 6 and move down, and then drive down compressed air pipe 15 down and move down to make down air pipe 15 to get away from filter core 9, thereby filter core 9 is moved down to filter core 9, and filter core 9 is moved down to the filter core 9 is just through the filter core 9 is replaced, the filter core 9 is moved down, thereby, the life of filter core is replaced is realized, filter core 9 is removed down through opening first valve 21 is kept away from, when filter core 9 is taken out and is clear up, when filter core 9 is changed.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a colliery tunnel heading face compressed air filter equipment, includes pressure tuber pipe (12), presses down tuber pipe (15) and is connected fluid-discharge tube (16) with pressure tuber pipe (15) liquid outlet down, its characterized in that: the utility model discloses a vertical compression type air conditioner, including upper plenum pipe (12), lower plenum pipe (15), two support diagonal rods (4) of inboard bottom symmetry fixedly connected with of lower plenum pipe (15), two support diagonal rods (4)'s top fixedly connected with tray (5) jointly, filter core standing groove (2) have been seted up at tray (5) top, upper plenum pipe (12) and the inboard of lower plenum pipe (15) are provided with filter core (9) jointly, filter core (9) are inserted to filter core standing groove (2)'s inboard in the bottom of filter core (9), upper plenum pipe (12) top vertically runs through fixed tunnel air-supply line (10) that has cup jointed, the top of tunnel air-supply line (10) stretches out to outside, the bottom of tunnel air-supply line (10) stretches into filter core (9) inboard, the outside vertical run through fixed cover in the outside of tunnel air-supply line (10) is equipped with compression ring (11), one side horizontal run through fixedly connected with rather than inside air-supply line (8) of intercommunication, the outside of upper plenum pipe (12) is equipped with the fixed cover (7) down, the fixed cover (1) is equipped with down fixed cover (1) is fixed in the top of a fixed cover (1), the top of three perpendicular slide bar (3) all with second solid fixed ring (7) bottom fixed connection, the outside of three perpendicular slide bar (3) is located to slip cap is vertically run through to lift ring (6), vertical threaded rod (17) have been cup jointed to vertical run through the screw thread on lift ring (6), the top and the solid fixed ring (7) bottom rotation of perpendicular threaded rod (17) are connected, the bottom of perpendicular threaded rod (17) is run through in solid fixed ring (1) back fixedly connected with rocking handle (18), install first valve (21) on fluid-discharge tube (16).

2. The coal mine tunnel heading face compressed air filtering device according to claim 1, wherein: the bottom surface of the compression ring (11) is in sealing fit with the top surface of the filter element (9).

3. The coal mine tunnel heading face compressed air filtering device according to claim 1, wherein: the inner diameter of the first fixing ring (1) is larger than the outer diameter of the lower pressure air pipe (15).

4. The coal mine tunnel heading face compressed air filtering device according to claim 1, wherein: a circle of annular groove (19) is formed in the top of the lower air pressing pipe (15), an annular sealing ring (20) is arranged on the inner side of the annular groove (19), and the top surface of the annular sealing ring (20) protrudes out of the annular groove (19) and then is tightly attached to the bottom surface of the upper air pressing pipe (12).

5. The coal mine tunnel heading face compressed air filtering device according to claim 1, wherein: the rear side wall of the upper air pressing pipe (12) is fixedly connected with a mounting plate (14), and four mounting holes (13) are symmetrically and transversely formed in the mounting plate (14) in a penetrating mode.

6. The coal mine tunnel heading face compressed air filtering device according to claim 1, wherein: and a second valve (22) is arranged on the drilling machine air inlet pipe (8).

7. The coal mine tunnel heading face compressed air filtering device according to claim 1, wherein: a third valve (23) is arranged on the roadway air inlet pipe (10).