CN214997771U

CN214997771U - Telescopic local ventilation device used in mine underground

Info

Publication number: CN214997771U
Application number: CN202120879036.7U
Authority: CN
Inventors: 张虎; 王炳然; 马志国; 赵钊彬
Original assignee: Chifeng Chaihulanzi Gold Mining Industry Co ltd
Current assignee: Chifeng Chaihulanzi Gold Mining Industry Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-03
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a telescopic local ventilation device used in underground mine, which comprises a fan, a diffusion cylinder and supporting frames, wherein the diffusion cylinder is fixedly connected at the front end of the fan, the front end of the diffusion cylinder is provided with three supporting frames, the wind cylinder cloth is fixedly connected between two adjacent supporting frames, the two sides of two adjacent supporting frames are fixedly connected with a telescopic mechanism, the middle of the front supporting frame is fixedly connected with a smoke detector, the side end of the smoke detector is fixedly connected with a wire tube, the side end of the diffusion cylinder is fixedly connected with a control module, the top end of the wire tube is electrically connected with the control module, the side end of each supporting frame is fixedly connected with a tensioning mechanism, the supporting frame is fixedly connected with a fixed plate at the tensioning mechanism, and the two sides of the supporting frame positioned at the smoke detector are rotatably connected with fixed pulleys, the utility model can avoid the need of the operation of operators, control the extension and the backward movement of the wind cylinder cloth, and can save energy, avoiding unnecessary waste.

Description

Telescopic local ventilation device used in mine underground

Technical Field

The utility model relates to a mining field specifically is a telescopic local ventilation unit for mine is in pit.

Background

After the rock drilling explosion, an operator is required to open a local ventilation switch and carry a gas detector to enter a site to perform ventilation operation. After the blasting is finished, the blast hole contains a large amount of carbon monoxide and carbon dioxide, and the carbon monoxide and the carbon dioxide can be sucked into the body by an operator to cause damage to the body of the operator. If the air duct cloth is assumed to be too close to the blasting operation surface in the earlier stage, the flying stones generated in the blasting process can damage the air duct cloth, so that the ventilation quality of the ventilation cloth in the actual ventilation process is reduced. In the traditional ventilation process, because personnel are not tracked on site in real time, the fan cannot be automatically stopped after ventilation is finished, unnecessary power consumption is increased, waste is caused, and the cost is increased.

Disclosure of Invention

An object of the utility model is to provide a telescopic local ventilation unit for mine is in pit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a telescopic local ventilation device for mine is in pit, including fan, a diffusion section of thick bamboo and carriage, diffusion section of thick bamboo fixed connection is at the front end of fan, the front end of diffusion section of thick bamboo is equipped with three carriage, all fixed connection has the fan cloth between two adjacent carriages, and two adjacent both sides of carriage all fixedly connected with telescopic machanism, front end the centre fixedly connected with smoke detector of carriage, the side fixedly connected with spool of smoke detector, the side fixedly connected with control module of diffusion section of thick bamboo, the top and the control module electric connection of spool, the side of every carriage all fixedly connected with straining device, the carriage is located straining device department fixedly connected with fixed plate, the both sides that the carriage is located the smoke detector all rotate and are connected with the fixed pulley, the side fixedly connected with motor of diffusion section of thick bamboo, the control module is respectively electrically connected with the fan and the motor, the power output end of the motor is fixedly connected with a connecting shaft, two winding wheels are fixedly connected onto the connecting shaft, and steel wire ropes are wound on the winding wheels.

Preferably, the middle of the steel wire rope passes through the fixed pulley, and the top end of the steel wire rope is fixedly connected with the side wall of the diffusion cylinder.

Preferably, telescopic machanism comprises three connecting plate and first spring, and is three the connecting plate reduces gradually from a left side to the right width, adjacent two mutual sliding connection between the connecting plate, adjacent two be equipped with first spring between the connecting plate.

Preferably, the tensioning mechanism consists of a connecting frame and a second spring, the connecting frame is of a square structure, and the second spring is arranged between the inner wall of the connecting frame and the fixing plate.

Preferably, the middle of the connecting frame is rotatably connected with a connecting wheel, and the line pipe penetrates through the connecting frame.

Preferably, the lateral end of the supporting frame is fixedly connected with two tensioning mechanisms, and the two tensioning mechanisms are oppositely arranged by taking the line pipe as the center.

Compared with the prior art, the beneficial effects of the utility model are that: the smoke detector transmits a signal to the control module during detection, the control module controls the motor and the fan to start, the motor drives the winding wheel to rotate through the connecting shaft, the support frame moves forwards under the action of the first spring, the air duct cloth is moved to a preset position, the air duct cloth is far away from a blasting area during non-operation, and the air duct cloth is protected; the smoke detector transmits the signal to the control module, controls the work of the fan and the motor, does not need the operation of an operator, can save energy and avoid unnecessary waste.

Drawings

FIG. 1 is a schematic view of a device connection structure;

FIG. 2 is a schematic view of a connection structure of a steel wire rope;

fig. 3 is a schematic view of a connection structure of the connection frame.

In the figure: 1 fan, 2 diffusion tubes, 3 support frames, 4 wind tube cloth, 5 smoke sensors, 6 connecting plates, 7 line tubes, 8 connecting shafts, 9 winding wheels, 10 steel wire ropes, 11 connecting frames, 12 control modules, 13 fixed pulleys, 14 fixing plates and 15 connecting wheels.

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 telescopic local ventilation device used in a mine underground comprises a fan 1, a diffusion cylinder 2 and support frames 3, wherein the diffusion cylinder 2 is fixedly connected at the front end of the fan 1, the front end of the diffusion cylinder 2 is provided with three support frames 3, a wind cylinder cloth 4 is fixedly connected between every two adjacent support frames 3, two sides of every two adjacent support frames 3 are fixedly connected with a telescopic mechanism, the middle of the front end support frame 3 is fixedly connected with a smoke detector 5, the smoke detector 5 adopts HD-T600X, the side end of the smoke detector 5 is fixedly connected with a wire pipe 7, the side end of the diffusion cylinder 2 is fixedly connected with a control module 12, the control module 12 contains a 51 single chip microcomputer, the top end of the wire pipe 7 is electrically connected with the control module 12, the side end of each support frame 3 is fixedly connected with a tensioning mechanism, the support frame 3 is fixedly connected with a fixing plate 14 at the position of the tensioning mechanism, two sides of the support frames 3 at the smoke detector 5 are rotatably connected with fixed pulleys 13, the side fixedly connected with motor of diffusion section of thick bamboo 2, the motor adopts F180, and control module 12 respectively with fan 1 and motor electric connection, the power take off end fixedly connected with connecting axle 8 of motor, two wind-up wheels 9 of fixedly connected with on the connecting axle 8, the winding has wire rope 10 on the wind-up wheel 9.

The middle of the steel wire rope 10 passes through the fixed pulley 13, the top end of the steel wire rope 10 is fixedly connected with the side wall of the diffusion cylinder 2, the motor drives the winding wheel 9 to rotate through the connecting shaft 8, the steel wire rope 10 extends when the air cylinder cloth 4 is extended, the supporting frame 3 at the front end is moved to a preset position under the action of the telescopic mechanism, and after the work is completed, the steel wire rope 10 is wound to drive the air cylinder cloth 4 to retract.

Telescopic machanism comprises three connecting plate 6 and first spring, and three connecting plate 6 reduces from a left side to the right width gradually, mutual sliding connection between two adjacent connecting plates 6, is equipped with first spring between two adjacent connecting plates 6, changes the distance between two adjacent carriage 3, removes predetermined position or withdrawal with wind section of thick bamboo cloth 4, damages wind section of thick bamboo cloth 4 when avoiding the blasting, and telescopic machanism also can support carriage 3 and wind section of thick bamboo cloth 4 simultaneously.

Straining device comprises connection frame 11 and second spring, and connection frame 11 is the square structure, is equipped with the second spring between 11 inner walls of connection frame and the fixed plate 14, and when telescopic machanism was in the contraction state, under the effect of second spring, straining device carried out the tensioning to spool 7, avoided spool 7 to drop, and when telescopic machanism was in the extension state, spool 7 pulling was even connected frame 11, lengthened the second spring simultaneously.

The middle of the connecting frame 11 is rotatably connected with a connecting wheel 15, the line pipe 7 penetrates through the connecting frame 11, the connecting wheel 15 can reduce friction, and the line pipe 7 can be prevented from being scratched when the line pipe 7 pulls the connecting frame 11.

Two straining device of side fixedly connected with of carriage 3, two straining device use spool 7 to set up for the center is opposite, increase the distance that control was adjusted spool 7, avoid spool 7 to drop.

The working principle is as follows: after blasting happens, the smoke sensor 5 detects, the smoke sensor 5 transmits a signal to the control module 12, the control module 12 controls the motor and the fan 1 to start, the motor drives the winding wheel 9 to rotate through the connecting shaft 8, the steel wire rope 10 extends, the supporting frame 3 moves forwards under the action of the first spring to move the air cylinder cloth 4 to a preset position, the air cylinder cloth is far away from a blasting area when not working, the air cylinder cloth is protected, when the telescopic mechanism is in a contraction state, the tensioning mechanism tensions the wire pipe 7 under the action of the second spring to prevent the wire pipe 7 from falling off, when the telescopic mechanism is in an extension state, the wire pipe 7 pulls the connecting frame 11, the second spring is simultaneously extended, the connecting wheel 15 can reduce friction, when the wire pipe 7 pulls the connecting frame 11, the wire pipe 7 can be prevented from being scratched, after the work is finished, the motor starts again, the steel wire rope 10 is wound, the air duct cloth 4 is driven to retract.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A telescopic local ventilation device for mine is in pit, including fan (1), diffuser (2) and carriage (3), its characterized in that: the utility model discloses a fan, including a diffusion section of thick bamboo (2), the front end of a diffusion section of thick bamboo (2) is equipped with three carriage (3), adjacent two all fixedly connected with wind section of thick bamboo cloth (4), adjacent two between carriage (3) the both sides of carriage (3) all fixedly connected with telescopic machanism, front end the middle fixedly connected with smoke detector (5) of carriage (3), the side fixedly connected with spool (7) of smoke detector (5), the side fixedly connected with control module (12) of a diffusion section of thick bamboo (2), the top and the control module (12) electric connection of spool (7), every the side of carriage (3) all fixedly connected with straining device, carriage (3) are located straining device department fixedly connected with fixed plate (14), the both sides that carriage (3) are located smoke detector (5) all rotate and are connected with fixed pulley (13), the side fixedly connected with motor of a diffusion section of thick bamboo (2), control module (12) respectively with fan (1) and motor electric connection, the power take off end fixedly connected with connecting axle (8) of motor, two wind-up wheels (9) of fixedly connected with are gone up in connecting axle (8), the winding has wire rope (10) on wind-up wheel (9).

2. The telescoping local ventilation device for use downhole in a mine of claim 1, wherein: the middle of the steel wire rope (10) passes through the fixed pulley (13), and the top end of the steel wire rope (10) is fixedly connected with the side wall of the diffusion cylinder (2).

3. The telescoping local ventilation device for use downhole in a mine of claim 1, wherein: telescopic machanism comprises three connecting plate (6) and first spring, and is three width reduces gradually from a left side to the right side in connecting plate (6), adjacent two mutual sliding connection between connecting plate (6), adjacent two be equipped with first spring between connecting plate (6).

4. The telescoping local ventilation device for use downhole in a mine of claim 1, wherein: the tensioning mechanism consists of a connecting frame (11) and a second spring, the connecting frame (11) is of a square structure, and the second spring is arranged between the inner wall of the connecting frame (11) and the fixing plate (14).

5. The telescoping local ventilation device for use downhole in a mine of claim 4, wherein: the middle of the connecting frame (11) is rotatably connected with a connecting wheel (15), and the line pipe (7) penetrates through the connecting frame (11).

6. The telescoping local ventilation device for use downhole in a mine of claim 1, wherein: the lateral end fixedly connected with two straining device of carriage (3), two straining device uses spool (7) to set up as the center is opposite.