CN-224214217-U - Air distributing device for fully-mechanized coal mining face

Abstract

The utility model relates to an air distributing device for a fully-mechanized coal mining working face, and belongs to the field of ventilation and dust prevention of coal mines. The device comprises a cylinder body, a connecting rod, a butterfly valve, a radial air flow channel, a plurality of air direction sheets, a butterfly valve and a radial air outlet, wherein the cylinder body is provided with an axial air flow channel and a radial air flow channel, a first air duct connecting section and a second air duct connecting section which are matched with a rubber air duct are respectively arranged at the two axial ends of the cylinder body, the connecting rod is rotatably arranged on the second air duct connecting section in a mode of crossing the cylinder body, the butterfly valve is arranged in the second air duct connecting section and fixedly connected with the connecting rod, the radial air flow channel is arranged on the side surface of the cylinder body, the radial air flow channel is internally provided with the plurality of air direction sheets, the edge of each air direction sheet is slidably connected with the inner wall of the radial air flow channel, the distribution of the axial air quantity and the radial air quantity of the cylinder body is regulated through the rotation of the butterfly valve, and the air outlet is internally provided with the air discharge sheet, and the direction of the air flow can be swung within a range of +/-15 degrees. The device is light in weight, simple and convenient to connect and hang, and can adjust the size and the direction of amount of wind simultaneously.

Inventors

• WEI ZHENQUAN
• LU WEI
• FU YONGJIE
• CHEN GUOQING
• ZHANG HOUQING
• JIANG YONGXI
• GUO JIN
• XU SHENGDONG

Assignees

• 枣庄矿业(集团)有限责任公司田陈煤矿
• 中煤科工集团重庆研究院有限公司

Dates

Publication Date

20260508

Application Date

20250211

Claims (5)

1. 1. The air distribution device for the fully-mechanized coal mining face is characterized by comprising a barrel (1), wherein the barrel (1) is provided with an axial air flow channel (9) and a radial air flow channel (10), and the two axial ends of the barrel (1) are respectively provided with a first air duct connecting section (3) and a second air duct connecting section (4) which are matched with a rubber air duct, the surfaces of the first air duct connecting section (3) and the second air duct connecting section (4) are provided with concave clamping grooves, the two connecting sections are matched and connected with the rubber air duct to ensure smooth transmission of air flow, and the concave clamping grooves are clamped with the rubber air duct; The connecting rod (7) is rotationally arranged on the second air duct connecting section (4) in a mode of crossing the cylinder body (1), and the butterfly valve (5) is arranged in the second air duct connecting section (4) and fixedly connected with the connecting rod (7), so that the butterfly valve (5) can be driven to open or close in the cylinder body (1) by rotating the connecting rod (7), thereby controlling the air quantity of the axial air flow channel (9), and a sealing ring for improving the tightness of the butterfly valve (5) and the inner wall of the cylinder body (1) is fixedly arranged at the edge of the butterfly valve (5); The radial wind flow channel (10) is arranged on the side face of the cylinder body (1), a plurality of wind direction sheets (6) are arranged in the radial wind flow channel (10), the edge of each wind direction sheet (6) is connected to the inner wall of the radial wind flow channel (10) in a sliding mode, and the limiting rod (8) axially slides along the cylinder body (1) to penetrate through the radial wind flow channel (10) and penetrates through each wind direction sheet (6).
2. 2. The wind distributing device for the fully-mechanized coal mining face is characterized in that two hanging rings (2) are fixedly arranged on one side of the surface of the cylinder (1).
3. 3. The air dividing device for the fully-mechanized coal mining face is characterized in that the cylinder body (1) is of a T-shaped structure, the axial length L1 is 1.0m, and the radial length L2 is 0.7m.
4. 4. The air dividing device for the fully-mechanized coal mining working face is characterized in that the angle adjusting range of the air direction sheet (6) is-15 degrees to +15 degrees.
5. 5. The air distributing device for the fully-mechanized coal mining face is characterized in that the cylinder (1) is made of polyurethane.

Description

Air distributing device for fully-mechanized coal mining face Technical Field The utility model belongs to the field of ventilation and dust prevention of coal mines, and relates to an air distributing device for a fully-mechanized coal mining working face. Background The fully-mechanized coal mining working face is one of places with the most serious dust pollution under the coal mine, the long-pressure short-pumping wind-control dust removal is the most effective dust-proof measure of the fully-mechanized coal mining working face, and in the long-pressure short-pumping wind-control dust removal system, the wind-control device plays an important role in preventing the diffusion of head-on dust, so that the dust removal efficiency of the fully-mechanized coal mining working face is greatly improved. At present, the wind control device mainly has two forms of flexibility and rigidity, wherein the flexible material mostly adopts rubber air duct cloth, the radial air outlet swings greatly in use, the wind flow is unstable, the wind control effect is easy to influence, the rigid material mostly is stainless steel, the weight is heavy, the movement is inconvenient, the connection operation with the rubber air duct is complex, and the wind direction of the radial air outlet cannot be adjusted. Disclosure of utility model Therefore, the utility model aims to provide the air dividing device for the fully-mechanized coal mining working face, which is light in weight, convenient to move and install and adjustable in air quantity and direction. The utility model provides an air dividing device for a fully-mechanized coal mining working face, which comprises a barrel, wherein the barrel is provided with an axial air flow channel and a radial air flow channel, and the axial two ends of the barrel are respectively provided with a first air duct connecting section and a second air duct connecting section which are matched with a rubber air duct; the connecting rod is rotatably arranged on the second air duct connecting section in a mode of crossing the cylinder body, and the butterfly valve is arranged in the second air duct connecting section and fixedly connected with the connecting rod; The radial wind flow channel is arranged on the side surface of the cylinder body, a plurality of wind direction sheets are arranged in the radial wind flow channel, the edge of each wind direction sheet is connected with the inner wall of the radial wind flow channel in a sliding mode, and the limiting rod axially slides along the cylinder body to penetrate through the radial wind flow channel and penetrates through each wind direction sheet. Optionally, two hanging rings are fixedly arranged on one side of the surface of the cylinder body. Optionally, concave clamping grooves are formed in the surfaces of the first air duct connecting section and the second air duct connecting section. Optionally, a sealing ring for improving the tightness of the butterfly valve and the inner wall of the cylinder is fixedly arranged at the edge of the butterfly valve. Optionally, the cylinder is of a T-shaped structure, the axial length L1 is 1.0m, and the radial length L2 is 0.7m. Optionally, the angle adjustment range of the wind direction sheet is-15 degrees to +15 degrees. Optionally, the material of the cylinder is polyurethane material. The utility model has the beneficial effects that: (1) The cylinder is made of wear-resistant, flame-retardant and antistatic polyurethane materials, and has a weight of about 7.5kg, so that the weight of the device is greatly reduced, and the device is more convenient to move and install. (2) The concave clamping grooves are formed in the connecting sections at the two ends of the cylinder body, and the rubber air cylinder is only required to be sleeved in the concave clamping grooves during connection, so that the tightening belt is tensioned, and the operation is simple and the connection is convenient when the tightening belt is connected with the rubber air cylinder. (3) The wind direction of the radial air outlet is changed by changing the angle of the wind direction sheet, the wind direction adjusting range is-15 degrees to +15 degrees, the wind direction angle is 0 degrees to +15 degrees, the wind control and dust control of the heading face are more facilitated, and the dust in the superposition section can be diluted in time when the wind direction angle is-15 degrees to 0 degrees. Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification. Drawings For the purpose of making the objects, technical solu