CN209959275U

CN209959275U - Underground coal mine local ventilator wind direction adjusting mechanism

Info

Publication number: CN209959275U
Application number: CN201920509631.4U
Authority: CN
Inventors: 周科; 夏永兵; 来守国; 康鹏飞; 刘丹丹
Original assignee: CHINA NATIONAL ADMINISTRATION OF COAL GEOLOGY HYDROLOGY GEOLOGIC BUREAU
Current assignee: CHINA NATIONAL ADMINISTRATION OF COAL GEOLOGY HYDROLOGY GEOLOGIC BUREAU; Hydrogeology Bureau of China National Administration of Coal Geology
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-17
Anticipated expiration: 2029-04-16

Abstract

The utility model relates to an equipment field especially relates to a colliery is auxiliary ventilating fan wind direction adjustment mechanism in pit. Including an air inlet section of thick bamboo, a ventilating section of thick bamboo, connecting cylinder, knuckle, an air inlet section of thick bamboo with the connection can be dismantled to the one end of connecting cylinder, the knuckle sets up the other end of connecting cylinder, the knuckle with connecting cylinder fixed connection or integrated into one piece, a ventilating section of thick bamboo pot head is established the outside of knuckle, the surface of a ventilating section of thick bamboo with the connecting cylinder passes through telescopic tube connection. Like this, this application is through the rotation of flexible cooperation control air funnel of flexible pipe, and then adjusts the structure to the wind direction that the wind direction was adjusted, can adjust local fan's wind direction, does benefit to the dust fall more.

Description

Underground coal mine local ventilator wind direction adjusting mechanism

Technical Field

The utility model relates to an equipment field especially relates to a colliery is auxiliary ventilating fan wind direction adjustment mechanism in pit.

Background

At present, coal mining is used as an underground operation mode, a large amount of dust and various harmful gases are generated when a working face is mined underground, so that fresh air is supplied to underground personnel through ventilation to create a good production environment, a local ventilator is usually adopted underground to supply air to the working face, meanwhile, a dust settling device is also arranged for dust settling of the working face, at present, the dust settling device with a draw-out fan is usually adopted as the working face for dust settling, the draw-out fan pumps the air containing the dust into a dust collector of the dust settling device through negative pressure to perform centralized dust settling, but in order to ensure that the working face has sufficient air volume, a frequent ventilation pipe of the local ventilator is adopted to directly send the air volume to the working face, the local ventilator can cause disturbance of the air flow of the working face, the dust raising is excited, the dust settling device is not facilitated, and the positions of the existing local ventilator are relatively fixed, when ventilation is performed, it is inconvenient to adjust the wind direction.

Notice No. CN203476376U discloses a colliery is local fan wind direction adjusting device in pit. Including setting up dust collecting equipment and the ventilation equipment at the mining working face, its characteristics are ventilation equipment include wind direction adjusting device, auxiliary ventilating fan, first section air feed pipeline and second section air feed pipeline, the second section air feed pipeline sets up and is facing mining working face department at the wind direction adjusting device front end, first section air feed pipeline sets up in wind direction adjusting device rear end, first section air feed pipeline rear end corresponds and sets up to auxiliary ventilating fan, the intelligent control ware sets up in first section air feed pipeline one side, dust collecting equipment one side correspondence be provided with dust collecting equipment control switch, it has only changed the size of the air feed volume of the device, can not carry out the regulation of nimble wind direction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a colliery is auxiliary ventilating fan wind direction adjustment mechanism in pit is provided, it is only the size that has changed the air feed volume of solving traditional device, can not carry out the problem of the regulation of nimble wind direction.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a colliery is auxiliary ventilating fan wind direction adjustment mechanism in pit, includes air inlet section of thick bamboo, ventilating duct, connecting cylinder, knuckle, the air inlet section of thick bamboo with the connection can be dismantled to the one end of connecting cylinder, the knuckle sets up the other end of connecting cylinder, the knuckle with connecting cylinder fixed connection or integrative taking shape, a ventilating duct pot head is established the outside of knuckle, the surface of ventilating duct with the connecting cylinder passes through telescopic tube connection.

Furthermore, the number of the telescopic pipes is four, and the four telescopic pipes are distributed on the outer side of the steering knuckle and the connecting cylinder lock which are integrally formed.

Further, the telescopic pipe is an electric telescopic pipe.

Further, the surface evenly distributed of draft tube is provided with four first dead levers, the one end of first dead lever with the surface fixed connection of draft tube, connecting cylinder surface evenly distributed is provided with four second dead levers, the one end of second dead lever with surface fixed connection of connecting cylinder, the both ends of flexible pipe respectively with the other end of first dead lever, the other end of second dead lever rotate to be connected.

Furthermore, the first fixing rod and the second fixing rod are fixedly provided with rotating sleeves, two ends of the telescopic pipe are fixedly provided with universal balls, and the universal balls are rotatably arranged in the rotating sleeves.

Further, the air inlet cylinder with the link of connecting cylinder is provided with first flange, first flange with air inlet cylinder fixed connection or integrated into one piece, the connecting cylinder with the link of air inlet cylinder is provided with the second flange, the second flange with connecting cylinder fixed connection or integrated into one piece, first flange with the second flange passes through the screw and can dismantle the connection.

Further, the funnel is loudspeaker form, a pot head that the funnel diameter is little is established the knuckle outside.

The utility model provides a colliery is auxiliary ventilating fan wind direction adjustment mechanism in pit, including air inlet section of thick bamboo, funnel, connecting cylinder, knuckle, the air inlet section of thick bamboo with the connection can be dismantled to the one end of connecting cylinder, the knuckle sets up the other end of connecting cylinder, the knuckle with connecting cylinder fixed connection or integrative taking shape, a funnel pot head is established the outside of knuckle, the surface of funnel with the connecting cylinder passes through telescopic tube connection. Like this, this application is through the rotation of flexible cooperation control air funnel of flexible pipe, and then adjusts the structure to the wind direction that the wind direction was adjusted, can adjust local fan's wind direction, does benefit to the dust fall more.

Drawings

FIG. 1 is a three-dimensional structure diagram of a wind direction adjusting structure of a local ventilator in a coal mine;

FIG. 2 is a three-dimensional exploded view of the wind direction adjusting structure of the local ventilator for underground coal mine of the present invention;

FIG. 3 is a schematic view of a partial structure of a wind direction adjusting structure of a local ventilator for a coal mine underground;

fig. 4 is a three-dimensional structure diagram of the wind direction adjusting structure of the underground local ventilator of the coal mine.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the air inlet device comprises a ventilating tube, 2, a rotating sleeve, 3, a first flange, 4, an electric telescopic tube, 5, a universal ball, 6, a second flange, 7, a connecting tube, 8, an air inlet tube, 9, screw holes, 10, a second fixing rod, 11, a steering knuckle, 12, a first fixing rod, 13, screws, 14 and ventilation holes.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "center", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the utility model provides a coal mine underground local ventilator wind direction adjusting mechanism, which comprises a ventilating duct 1, a rotating sleeve 2, a push rod, an electric telescopic tube 4, a universal ball 5, a flange plate, a connecting cylinder 7, an air inlet cylinder 8, a screw hole 9, a first fixed rod 12, a knuckle 11, a second fixed rod 10, a screw 13 and a vent hole 14, wherein the knuckle 11 is arranged at one end of the connecting cylinder 7, the knuckle 11 can rotate on the connecting cylinder 7, the knuckle 11 is provided with the vent hole 14, the vent hole 14 penetrates through the knuckle 11 and is communicated with the connecting cylinder 7, the flange plate is arranged at the other end of the connecting cylinder 7, the flange plate is arranged at one end of the air inlet cylinder 8, the flange plate is provided with a plurality of screw holes 9, the flange plate at the other end of the connecting cylinder 7 is connected with the flange plate at one end of the air inlet cylinder 8 through a plurality of screws 13, the screws, the connecting cylinder 7 is communicated with the air inlet cylinder 8, one end of the ventilating cylinder 1 is sleeved on the steering knuckle 11, the ventilating cylinder 1 is communicated with the vent hole 14, the diameter of the ventilating cylinder 1 is gradually increased from one end to the other end, four second fixing rods 10 are arranged on the outer wall of the other end of the ventilating cylinder 1 at equal angles, a rotating sleeve 2 is arranged at one end of each second fixing rod 10, one ends of four first fixing rods 12 are arranged on the outer wall of the connecting cylinder 7 at equal angles and are in one-to-one correspondence with the four second fixing rods 10, a rotating sleeve 2 is arranged at the other end of each second fixing rod 10, a universal ball 5 is arranged at one end of each electric telescopic pipe 4 and is arranged in the rotating sleeve 2 at the other end of the corresponding second fixing rod 10, one end of a push rod is connected with the other end of the electric telescopic pipe 4, a universal ball 5 is arranged at the other end of the push rod and is arranged in the rotating sleeve, a plurality of ventilation grooves for wiping oil on the inner wall of the ventilation barrel 1 extend from one end to the other end of the ventilation barrel 1, and the universal ball 5 can rotate in the rotating sleeve 2.

When the ventilator is used, firstly, the air inlet cylinder 8 is connected with a ventilation channel on a local ventilator, the turning direction of the ventilator 1 is adjusted by controlling the extension and retraction of a push rod on the electric telescopic pipe 4, when the ventilator 1 needs to horizontally rotate, the electric telescopic pipes 4 on the front side and the rear side of the ventilator 1 are controlled to extend and retract, when the electric telescopic pipe 4 on the front side of the ventilator 1 controls the push rod to retract, the electric telescopic pipe 4 on the rear side of the ventilator 1 controls the push rod to extend, the ventilator 1 horizontally rotates forwards, and otherwise, the ventilator 1 horizontally rotates backwards;

when the ventilating duct 1 needs to be axially rotated and adjusted, the electric telescopic pipes 4 at the top and the bottom of the ventilating duct 1 are controlled to stretch and retract for adjustment, when the electric telescopic pipe 4 at the top of the ventilating funnel 1 controls the push rod to contract, the electric telescopic pipe 4 at the bottom of the ventilating funnel 1 controls the push rod to extend, the ventilating funnel 1 rotates upwards in the axial direction, otherwise, the ventilating funnel 1 rotates downwards in the axial direction, and further the ventilating funnel 1 is adjusted in rotation in the horizontal and axial directions, the wind direction is adjusted, when the ventilating duct 1 rotates and is adjusted, because the axis of the ventilating duct 1 when rotating is at the center of the steering knuckle 11, and the electric telescopic pipe 4 rotates around the rotating sleeve 2, when the air funnel is further adjusted by rotating in the horizontal direction, the electric extension tubes 4 at the top and the bottom of the air funnel 1 can slightly change in length, when the air funnel 1 is axially and rotatably adjusted, the electric telescopic pipes 4 on the front side and the rear side of the air funnel 1 slightly change in length;

the air of the local ventilator enters the connecting cylinder 7 from the air inlet cylinder 8, then enters the ventilating cylinder 1 from the vent holes 14 on the steering knuckle 11 and flows out along the angle of the ventilating cylinder 1;

the diameter of the ventilating duct 1 is gradually increased from one end to the other end, so that the wind in the ventilating duct 1 can diffuse and flow out conveniently;

due to the design of a plurality of ventilation grooves for wiping oil on the inner wall of the ventilation barrel 1, wind can flow outwards along the ventilation grooves, and the wind guiding effect is better;

the rotation of the ventilating duct 1 is controlled through the telescopic matching of the four electric telescopic pipes 4, and then the wind direction is adjusted.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A colliery is local fan wind direction adjustment mechanism in pit which characterized in that: including air inlet section of thick bamboo (8), ventilating funnel (1), connecting cylinder (7), knuckle (11), air inlet section of thick bamboo (8) with the connection can be dismantled to the one end of connecting cylinder (7), knuckle (11) set up the other end of connecting cylinder (7), knuckle (11) with connecting cylinder (7) fixed connection or integrated into one piece, a ventilating funnel (1) pot head is established the outside of knuckle (11), the surface of ventilating funnel (1) with connecting cylinder (7) are through telescopic tube connection.

2. The underground coal mine local ventilator wind direction adjusting mechanism according to claim 1, which is characterized in that: the four telescopic pipes are arranged on the outer side of the steering knuckle (11) and the connecting cylinder (7) in a locking mode and are distributed on the outer side of the steering knuckle.

3. The underground coal mine local ventilator wind direction adjusting mechanism according to claim 2, characterized in that: the telescopic pipe is an electric telescopic pipe (4).

4. The underground coal mine local ventilator wind direction adjusting mechanism according to claim 2, characterized in that: the utility model discloses a ventilation pipe, including ventilation pipe (1), connecting cylinder (7), first dead lever (12), one end of first dead lever (12) with ventilation pipe (1) surface fixed connection, connecting cylinder (7) surface evenly distributed is provided with four second dead levers (10), the one end of second dead lever (10) with connecting cylinder (7) surface fixed connection, the both ends of flexible pipe respectively with the other end of first dead lever (12), the other end of second dead lever (10) rotate to be connected.

5. The underground coal mine local ventilator wind direction adjusting mechanism according to claim 4, characterized in that: the telescopic pipe is characterized in that a rotating sleeve (2) is fixedly arranged on the first fixing rod (12) and the second fixing rod (10), universal balls (5) are fixedly arranged at two ends of the telescopic pipe, and the universal balls (5) are rotatably arranged in the rotating sleeve (2).

6. The underground coal mine local ventilator wind direction adjusting mechanism according to any one of claims 1-5, characterized in that: air inlet section of thick bamboo (8) with the link of connecting cylinder (7) is provided with first flange (3), first flange (3) with air inlet section of thick bamboo (8) fixed connection or integrative shaping, connecting cylinder (7) with the link of air inlet section of thick bamboo (8) is provided with second flange (6), second flange (6) with connecting cylinder (7) fixed connection or integrative shaping, first flange (3) with second flange (6) can dismantle the connection through screw (13).

7. The underground coal mine local ventilator wind direction adjusting mechanism according to any one of claims 1-5, characterized in that: the ventilating duct (1) is horn-shaped, and a small-diameter end sleeve of the ventilating duct (1) is arranged on the outer side of the steering knuckle (11).