CN211474156U

CN211474156U - Underground coal mine ventilation device

Info

Publication number: CN211474156U
Application number: CN202020118138.2U
Authority: CN
Inventors: 顾冲; 庞叶青; 薛纬; 王磊; 任伟; 宫彪; 潘凤龙
Original assignee: Datong Coal Mine Group Co Ltd
Current assignee: Datong Coal Mine Group Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-09-11
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to a colliery is ventilation unit in pit, belong to the colliery field of ventilating, including base, first support frame, second support frame, characterized in that, the base sets up to the movable structure, fixedly on the base has first support frame and second support frame, first support frame and second support frame are all vertical and the two are parallel to each other; the first support frame is provided with a driving wheel and two driven wheels which are sequentially connected through a chain, wherein a connecting line between the two driven wheels is horizontal, the driving wheel is positioned right below the midpoint of the connecting line of the two driven wheels, the driving wheel and the two driven wheels are both rotatably connected with the first support frame, and the driving wheel is connected with a driving mechanism for driving the driving wheel to rotate; the utility model discloses be convenient for adjust the ventilation pipe height, overall structure is simple, and the operation is convenient.

Description

Underground coal mine ventilation device

Technical Field

The utility model relates to a colliery ventilation technical field, concretely relates to colliery is ventilation unit in pit.

Background

For the underground coal mine, a ventilation device is indispensable and very important, the ventilation device cannot be used for erecting ventilation pipes necessarily, the heights of the ventilation pipes required to be erected are inconsistent according to different underground excavation conditions, and the heights of the erected ventilation pipes are required to be adjusted in a targeted manner; in addition, the existing ventilation device also has the problems of complex structure and poor stability of the ventilation pipe in a working state.

Disclosure of Invention

The utility model aims to solve the technical problem that to prior art not enough, provide a colliery is ventilation unit in pit convenient to adjust ventilation pipe height, overall structure is simple, and the operation is convenient.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a coal mine underground ventilation device comprises a base, a first support frame and a second support frame, and is characterized in that the base is of a movable structure, the first support frame and the second support frame are fixedly arranged on the base, and are vertical and parallel to each other; the first support frame is provided with a driving wheel and two driven wheels which are sequentially connected through a chain, wherein a connecting line between the two driven wheels is horizontal, the driving wheel is positioned right below the midpoint of the connecting line of the two driven wheels, the driving wheel and the two driven wheels are both rotatably connected with the first support frame, and the driving wheel is connected with a driving mechanism for driving the driving wheel to rotate; a sliding rail in the vertical direction is fixedly arranged on the second support frame, a horizontal bracket is arranged on the sliding rail, a first sliding block is fixedly arranged in the middle of the rear end face of the bracket, the bracket is connected with the sliding rail in a manner of sliding along the vertical direction through the first sliding block, a horizontal sliding groove is arranged in the middle of the bracket, a second sliding block is arranged in the sliding groove and is connected with the sliding groove in a manner of sliding along the sliding groove, and the side end of the second sliding block is connected with the first chain in a hinged manner; and a pipe fitting support used for placing the ventilation pipe is arranged at the end part of the bracket.

Furthermore, the pipe support is provided with two, and the pipe support symmetry sets up at the bracket both ends.

Further, the pipe support is arranged in a clamping structure.

Furthermore, a driving mechanism of the driving wheel adopts a motor.

Furthermore, the driving wheel, the driven wheel and the bracket are all arranged between the first support frame and the second support frame.

Furthermore, the driving wheel and the driven wheel are connected with the chain in a meshing manner.

The utility model has the advantages that: the utility model discloses a rotation that sets up connects the action wheel on first backup pad, connect from driving wheel and chain, and set up mutually supporting slide rail and bracket in the second backup pad, be connected through the articulated of second slider with the chain, make the rotation of action wheel can drive the horizontal migration of second slider, and the vertical motion of bracket, and then realize adjusting the height of the pipe fitting support that links to each other with the bracket, with the height that is adapted to the ventilation pipe that erects under the different work condition, and simple structure, convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the present invention in another state;

fig. 3 is a schematic structural diagram of the first support plate of the present invention;

fig. 4 is a schematic structural view of the second support plate of the present invention.

In the figure: 1. the pipe fitting support comprises a base, 2 parts of a first support frame, 3 parts of a second support frame, 4 parts of a chain, 5 parts of a driving wheel, 6 parts of a driven wheel, 7 parts of a sliding rail, 8 parts of a bracket, 9 parts of a first sliding block, 10 parts of a sliding groove, 11 parts of a second sliding block and 12 parts of a pipe fitting support.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration purposes only and are not intended to limit the scope of the present invention.

As shown in the attached drawings 1-4, the coal mine underground ventilation device of the embodiment comprises a base 1, a first support frame 2 and a second support frame 3, wherein the base 1 is of a movable structure, four wheels are arranged at the bottom of the base 1, the first support frame 2 and the second support frame 3 are fixedly arranged on the base 1, and the first support frame 2 and the second support frame 3 are both vertical and are arranged in parallel;

the first support frame 2 is provided with a driving wheel 5 and two driven wheels 6 which are sequentially connected through a chain 4, the driving wheel 5 and the driven wheels 6 are connected with the chain 4 in a meshing mode, a connecting line between the two driven wheels 6 is horizontal, the driving wheel 5 is positioned right below the midpoint of the connecting line of the two driven wheels 6, the driving wheel 5 and the two driven wheels 6 are both connected with the first support frame 2 in a rotatable mode, the driving wheel 5 is connected with a driving mechanism for driving the driving wheel to rotate, the driving mechanism of the driving wheel 5 adopts a motor, in addition, the driving wheel can be connected to a central shaft of the driving wheel through a handle, and the handle is manually rotated to control the rotation and locking of;

a slide rail 7 in the vertical direction is fixedly arranged on the second support frame 3, a horizontal bracket 8 is arranged on the slide rail 7, a first sliding block 9 is fixedly arranged in the middle of the rear end face of the bracket 8, the bracket 8 is connected with the slide rail 7 in a manner of sliding along the vertical direction through the first sliding block 9, a horizontal sliding groove 10 is arranged in the middle of the bracket 8, a second sliding block 11 is arranged in the sliding groove 10, the second sliding block 11 is connected with the sliding groove 10 in a manner of sliding along the sliding groove 10, and the side end of the second sliding block 11 is connected with the chain 4 in a hinged manner; the end of the bracket 8 is provided with two pipe supports 12 for placing the ventilation pipe, the pipe supports 12 are symmetrically arranged at two ends of the bracket 8, and the pipe supports 12 of the embodiment are arranged into a hoop structure.

In this embodiment, the driving wheel 5, the driven wheel 6 and the bracket 8 are all disposed between the first support frame 2 and the second support frame 3.

The utility model discloses a theory of operation is: the motor drives the driving wheel 5 to rotate, the two driven wheels 6 connected with the driving wheel rotate under the driving of the chain 4, the second sliding block 11 connected with the chain 4 in a hinged mode moves along with the movement of the chain 4, and in addition, the sliding connection of the second sliding block 11 in the sliding groove 10 and the sliding connection of the first sliding block 9 in the sliding rail 7 generate horizontal movement of the second sliding block 11 in the sliding groove 10 and lifting movement of the bracket 8, so that the lifting of the bracket 8 is realized, the height of the pipe support 12 fixed on the bracket 8 is adjusted, and the height of the ventilation pipe 13 is conveniently adjusted by adopting the pipe support 12. Fig. 1 is a schematic diagram showing the state of the bracket 8 at the upper position, when the ventilation tube needs to be detached, the motor drives the driving wheel 5 to rotate, the second sliding block 11 moves leftwards along the sliding groove 10 to drive the bracket 8 to move downwards, and when the second sliding block 11 moves to a position close to the vicinity of the driving wheel 5, the bracket is in the state of the lower line position, as shown in fig. 2, the ventilation tube is convenient to detach or replace; the driving wheel 5 continues to rotate, the second sliding block 11 continues to move left, and the bracket 8 rises to reach the required height. Pipe fitting support 12 sets to the clamp structure, is convenient for placing and fixing of ventilation pipe, and the ventilation pipe stability of placing is good, prevents the unexpected slippage of ventilation pipe in the course of the work. The whole device is in a long and narrow layout, occupies a small area and is convenient to place and move in a coal mine underground roadway.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A coal mine underground ventilation device comprises a base (1), a first support frame (2) and a second support frame (3), and is characterized in that the base (1) is arranged to be a movable structure, the first support frame (2) and the second support frame (3) are fixedly arranged on the base (1), and the first support frame (2) and the second support frame (3) are both vertical and are arranged in parallel; the first support frame (2) is provided with a driving wheel (5) and two driven wheels (6) which are sequentially connected through a chain (4), wherein a connecting line between the two driven wheels (6) is horizontal, the driving wheel (5) is positioned right below the midpoint of the connecting line of the two driven wheels (6), the driving wheel (5) and the two driven wheels (6) are rotatably connected with the first support frame (2), and the driving wheel (5) is connected with a driving mechanism for driving the driving wheel (5) to rotate; a sliding rail (7) in the vertical direction is fixedly arranged on the second support frame (3), a horizontal bracket (8) is arranged on the sliding rail (7), a first sliding block (9) is fixedly arranged in the middle of the rear end face of the bracket (8), the bracket (8) is connected with the sliding rail (7) in a manner of sliding along the vertical direction through the first sliding block (9), a horizontal sliding groove (10) is arranged in the middle of the bracket (8), a second sliding block (11) is arranged in the sliding groove (10), the second sliding block (11) is connected with the sliding groove (10) in a manner of sliding along the sliding groove (10), and the side end of the second sliding block (11) is connected with the chain (4) in a hinged manner; the end of the bracket (8) is provided with a pipe support (12) for placing a ventilation pipe (13).

2. The coal mine underground ventilation device according to claim 1, characterized in that the number of the pipe supports (12) is two, and the pipe supports (12) are symmetrically arranged at two ends of the bracket (8).

3. Coal mine underground ventilation device according to claim 1 or 2, characterized in that the pipe supports (12) are arranged in a collar construction.

4. The coal mine underground ventilation device according to claim 1, characterized in that the driving mechanism of the driving wheel (5) adopts a motor.

5. The coal mine underground ventilation device according to claim 1, characterized in that the driving wheel (5), the driven wheel (6) and the bracket (8) are all arranged between the first support frame (2) and the second support frame (3).

6. The coal mine underground ventilation device according to claim 1, characterized in that the driving wheel (5) and the driven wheel (6) are connected with the chain (4) in a meshing manner.