CN215804658U

CN215804658U - Ventilation unit for coal mining

Info

Publication number: CN215804658U
Application number: CN202121800373.9U
Authority: CN
Inventors: 陈星星; 邓小芳; 梁飞; 其他发明人请求不公开姓名
Original assignee: Ning Xiaomin
Current assignee: Ning Xiaomin
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-11
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a ventilation device for coal mining, which comprises a ventilation device, a fixing ring and a dust screen, wherein the fixing ring is sleeved on the surface of the front side of the ventilation device, the dust screen is positioned on the front side of the fixing ring, four fixing boxes are arranged on the rear side of the fixing ring, four fixing blocks are fixedly connected to the rear side of the dust screen, and the rear side of each fixing block penetrates through the fixing ring and extends into the corresponding fixing box. The dustproof net cleaning device has the advantages that the effect of conveniently cleaning the dustproof net is achieved by matching the fixed block, the fixed box, the limiting mechanism and the transmission mechanism, the ring drives the four transmission mechanisms to move by rotating the ring when the dustproof net cleaning device is used, the fixed block is not limited any more after the transmission mechanism drives the limiting mechanism to move, the dustproof net can be detached and cleaned, and the problems that a large amount of dust and impurities are accumulated on the surface of the dustproof net to influence the ventilation effect and the dustproof net is inconvenient to clean after the traditional ventilation device is used for a long time are solved.

Description

Ventilation unit for coal mining

Technical Field

The utility model belongs to the technical field of coal mining, and particularly relates to a ventilation device for coal mining.

Background

During coal mining, a large amount of dust leads to the inside air quality of mine low, may have various toxic gas and dust simultaneously, need ventilate and handle and import fresh air in the mine, for providing sufficient fresh air in the pit, and the toxic gas of removing and dust, consequently provides a ventilation unit for coal mining, to sum up, the problem that prior art exists is: the existing ventilation device has the problems that after the existing ventilation device is used for a long time, a large amount of dust and impurities are accumulated on the surface of a dustproof net to influence the ventilation effect, and the cleaning is not convenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a ventilation device for coal mining, which has the advantage of convenience in cleaning a dust screen, and solves the problems that a large amount of dust and impurities are accumulated on the surface of the dust screen to influence the ventilation effect and the dust screen is inconvenient to clean after the conventional ventilation device is used for a long time.

The utility model is realized in such a way that the ventilation device for coal mining comprises a ventilation device, a fixing ring and a dust screen, wherein the fixing ring is sleeved on the surface of the front side of the ventilation device, the dust screen is positioned on the front side of the fixing ring, four fixing boxes are arranged on the rear side of the fixing ring, four fixing blocks are fixedly connected on the rear side of the dust screen, the rear side of each fixing block penetrates through the fixing ring and extends into the fixing box, two limiting mechanisms are arranged in the fixing boxes, and a transmission mechanism is arranged in the fixing boxes.

Preferably, the limiting mechanism comprises limiting blocks, first springs and limiting rods, wherein the opposite sides of the two first springs are fixedly connected with the opposite sides of the two limiting blocks, the opposite sides of the two first springs are fixedly connected with the inner wall of the fixing box, the opposite sides of the two limiting rods are positioned in the limiting blocks, the opposite sides of the two limiting rods are fixedly connected with the inner wall of the fixing box, clamping grooves matched with the limiting blocks are formed in the surface of the fixing block, and the opposite sides of the two limiting blocks are positioned in the clamping grooves.

Preferably, the transmission mechanism comprises a link rod, two movable blocks and a transmission rod, the bottoms of the two sides of the link rod are located at the rear side of the limiting block, the rear side of the movable block is fixedly connected with the front side of the link rod, the front side of the bottom of the transmission rod is fixedly connected with the rear side of the link rod, the top of the transmission rod penetrates through the outer side of the fixed box, a movable groove matched with the movable block is formed in the surface of the limiting block, and the front side of the movable block is located inside the movable groove.

Preferably, the inside of the fixed box is provided with a slider used in cooperation with a link rod, the front side of the slider is fixedly connected with the inner wall of the fixed box, the surface of the link rod is provided with a sliding groove used in cooperation with the slider, and the rear side of the slider is positioned in the sliding groove.

Preferably, the rear side of the fixing ring is provided with a circular ring, the surface of the circular ring is provided with an inclined plane groove matched with the transmission rod, and the top of the transmission rod is positioned inside the inclined plane groove.

Preferably, the bottom of the link is fixedly connected with a second spring, and the bottom of the second spring is fixedly connected with the inner wall of the fixed box.

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

1. the dustproof net cleaning device has the advantages that the effect of conveniently cleaning the dustproof net is achieved by matching the fixed block, the fixed box, the limiting mechanism and the transmission mechanism, the ring drives the four transmission mechanisms to move by rotating the ring when the dustproof net cleaning device is used, the fixed block is not limited any more after the transmission mechanism drives the limiting mechanism to move, the dustproof net can be detached and cleaned, and the problems that a large amount of dust and impurities are accumulated on the surface of the dustproof net to influence the ventilation effect and the dustproof net is inconvenient to clean after the traditional ventilation device is used for a long time are solved.

2. According to the utility model, the limiting mechanism is arranged, so that the fixing block can be limited, and the fixing block cannot exit from the inside of the fixing box, and the dustproof net is more firmly fixed.

3. According to the utility model, the transmission mechanism is arranged, so that the limiting mechanism can be rapidly driven to move, the limiting mechanism can be detached without limiting the fixed block, and the dust screen can be more easily and conveniently cleaned.

4. The sliding block and the sliding groove are matched for use, so that the link rod can move more stably and keep moving vertically, dislocation in moving is avoided, and the moving is smoother.

5. The dustproof net is matched with the circular ring and the inclined plane groove, the four transmission rods can be linked to move simultaneously, the dustproof net can be detached more conveniently, and the practicability is further enhanced.

6. According to the utility model, the second spring is arranged, so that the connecting rod can be rapidly driven to reset when the transmission rod is not stressed after moving, the pressure on the first spring is reduced, and the reset of the drive limiting block is easier and faster.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;

FIG. 2 is a rear cross-sectional view of a retaining ring and retaining box provided in accordance with an embodiment of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to an embodiment of the present invention.

In the figure: 1. a ventilation device; 2. a fixing ring; 3. a dust screen; 4. a fixing box; 5. a fixed block; 6. a limiting mechanism; 601. a limiting block; 602. a first spring; 603. a limiting rod; 604. a card slot; 7. a transmission mechanism; 701. a link rod; 702. a movable block; 703. a transmission rod; 704. a movable groove; 8. a slider; 9. a chute; 10. a circular ring; 11. an inclined plane groove; 12. a second spring.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the ventilation device for coal mining according to an embodiment of the present invention includes a ventilation device 1, a fixing ring 2 and a dust screen 3, the fixing ring 2 is sleeved on a surface of a front side of the ventilation device 1, the dust screen 3 is located on the front side of the fixing ring 2, four fixing boxes 4 are respectively disposed on rear sides of the fixing ring 2, four fixing blocks 5 are respectively fixedly connected to rear sides of the dust screen 3, rear sides of the fixing blocks 5 penetrate through the fixing ring 2 and extend into the fixing boxes 4, two limiting mechanisms 6 are respectively disposed inside the fixing boxes 4, and a transmission mechanism 7 is disposed inside the fixing boxes 4.

Referring to fig. 3, the limiting mechanism 6 includes a limiting block 601, first springs 602 and limiting rods 603, one side of each of the two first springs 602 opposite to each other is fixedly connected to one side of each of the two limiting blocks 601 opposite to each other, one side of each of the two first springs 602 opposite to each other is fixedly connected to the inner wall of the fixed box 4, one side of each of the two limiting rods 603 opposite to each other is located inside each of the limiting blocks 601, one side of each of the two limiting rods 603 opposite to each of the two limiting rods 4 is fixedly connected to the inner wall of the fixed box 4, a clamping groove 604 matched with the limiting block 601 is formed in the surface of the fixed block 5, and one side of each of the two limiting blocks 601 opposite to each other is located inside the clamping groove 604.

Adopt above-mentioned scheme: through setting up stop gear 6, can be spacing to fixed block 5, make fixed block 5 can't withdraw from the inside of fixed box 4 to fix dust screen 3 more firmly.

Referring to fig. 3, the transmission mechanism 7 includes a link 701, two movable blocks 702 and a transmission rod 703, bottoms of two sides of the link 701 are located at a rear side of the limit block 601, a rear side of the movable block 702 is fixedly connected with a front side of the link 701, a front side of a bottom of the transmission rod 703 is fixedly connected with a rear side of the link 701, a top of the transmission rod 703 penetrates through to an outer side of the fixed box 4, a movable groove 704 used in cooperation with the movable block 702 is formed in a surface of the limit block 601, and a front side of the movable block 702 is located inside the movable groove 704.

Adopt above-mentioned scheme: through setting up drive mechanism 7, drive stop gear 6 that can be quick removes, makes stop gear 6 no longer spacing to fixed block 5, can dismantle, when needs clearance dust screen 3, light more convenient.

Referring to fig. 3, a slider 8 cooperating with a link 701 is disposed inside the fixed box 4, a front side of the slider 8 is fixedly connected to an inner wall of the fixed box 4, a sliding slot 9 cooperating with the slider 8 is formed on a surface of the link 701, and a rear side of the slider 8 is located inside the sliding slot 9.

Adopt above-mentioned scheme: through the cooperation that sets up slider 8 and spout 9 and use, can make the removal of link 701 more steady, keep vertical movement to avoid appearing the dislocation when removing, remove more smoothly.

Referring to fig. 2 and 3, a circular ring 10 is disposed at the rear side of the fixing ring 2, a bevel groove 11 used in cooperation with the transmission rod 703 is formed in the surface of the circular ring 10, and the top of the transmission rod 703 is located inside the bevel groove 11.

Adopt above-mentioned scheme: through the cooperation that sets up ring 10 and inclined plane groove 11 and use, can link four transfer lines 703 and remove simultaneously, when dismantling dust screen 3, can be more convenient, further reinforcing the practicality.

Referring to fig. 3, a second spring 12 is fixedly connected to the bottom of the link 701, and the bottom of the second spring 12 is fixedly connected to the inner wall of the stationary box 4.

Adopt above-mentioned scheme: through the arrangement of the second spring 12, when the transmission rod 703 is not stressed any more after moving, the link rod 701 can be rapidly driven to reset, so that the pressure applied to the first spring 602 is reduced, and the driving limiting block 601 is more easily and rapidly reset.

The working principle of the utility model is as follows:

when the dust screen 3 needs to be cleaned, a user rotates the ring 10, the ring 10 drives the transmission rod 703 to move through the inclined plane groove 11, the transmission rod 703 drives the link rod 701 to extrude the second spring 12 to move, the link rod 701 drives the movable block 702 to move, the movable block 702 drives the stopper 601 through the movable groove 704 to extrude the first spring 602 to move, after the stopper 601 exits from the slot 604, the user pulls the dust screen 3 outwards to withdraw the fixed block 5 from the inside of the fixed box 4 and the fixed ring 2, after cleaning is completed, the user rotates the ring 10, the ring 10 drives the transmission rod 703 to move through the inclined plane groove 11, the transmission rod 703 drives the link rod 701 to extrude the second spring 12 to move, the link rod 701 drives the movable block 702 to move, the movable block 702 drives the stopper 601 through the movable groove 704 to extrude the first spring 602 to move, and then the dust screen 3 is placed on the front side of the fixed ring 2, after the fixing block 5 passes through the fixing ring 2 and enters the fixing box 4, the circular ring 10 is loosened, the second spring 12 drives the link rod 701 to move and reset, the link rod 701 drives the transmission rod 703 to move and reset, and the first spring 602 drives the limiting block 601 to quickly reset and insert into the clamping groove 604, so that the fixing block 5 and the dust screen 3 can be fixed.

To sum up: this ventilation unit for coal mining uses through the cooperation that sets up ventilation unit 1, solid fixed ring 2, dust screen 3, fixed box 4, fixed block 5, stop gear 6, drive mechanism 7, slider 8, spout 9, ring 10, inclined plane groove 11 and second spring 12, has solved current ventilation unit and has used for a long time the back, and a large amount of dust impurity influence ventilation effect on the dust screen surface accumulation, and the problem of the clearance of being not convenient for.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ventilation unit for coal mining, includes ventilation unit (1), solid fixed ring (2) and dust screen (3), its characterized in that: the surface of ventilation unit (1) front side is located to solid fixed ring (2) cover, dust screen (3) are located the front side of solid fixed ring (2), the rear side of solid fixed ring (2) all is provided with four fixed box (4), four fixed block (5) of the equal fixedly connected with in rear side of dust screen (3), the rear side of fixed block (5) runs through solid fixed ring (2) and extends to the inside of fixed box (4), the inside of fixed box (4) all is provided with two stop gear (6), the inside of fixed box (4) is provided with drive mechanism (7).

2. A ventilation unit for coal mining as claimed in claim 1, wherein: stop gear (6) include stopper (601), first spring (602) and gag lever post (603), two first spring (602) relative one sides all with two stopper (601) opposite one side fixed connection, two first spring (602) opposite one sides all with the inner wall fixed connection of fixed box (4), two gag lever posts (603) relative one sides all are located the inside of stopper (601), two gag lever posts (603) opposite one sides all with the inner wall fixed connection of fixed box (4), draw-in groove (604) that use with stopper (601) cooperation have been seted up on the surface of fixed block (5), two stopper (601) relative one sides all are located the inside of draw-in groove (604).

3. A ventilation unit for coal mining as claimed in claim 2, wherein: drive mechanism (7) include link rod (701), two movable block (702) and transfer line (703), the bottom of link rod (701) both sides all is located the rear side of stopper (601), the rear side of movable block (702) and the front side fixed connection of link rod (701), the front side of transfer line (703) bottom and the rear side fixed connection of link rod (701), the outside to fixed box (4) is run through at the top of transfer line (703), movable groove (704) that use with movable block (702) cooperation are seted up to the surface of stopper (601), the front side of movable block (702) is located the inside of movable groove (704).

4. A ventilation unit for coal mining as claimed in claim 3, wherein: the inner part of the fixed box (4) is provided with a sliding block (8) matched with the connecting rod (701) for use, the front side of the sliding block (8) is fixedly connected with the inner wall of the fixed box (4), the surface of the connecting rod (701) is provided with a sliding groove (9) matched with the sliding block (8) for use, and the rear side of the sliding block (8) is positioned in the sliding groove (9).

5. A ventilation unit for coal mining as claimed in claim 3, wherein: the rear side of the fixing ring (2) is provided with a circular ring (10), the surface of the circular ring (10) is provided with an inclined plane groove (11) matched with the transmission rod (703) for use, and the top of the transmission rod (703) is positioned inside the inclined plane groove (11).

6. A ventilation unit for coal mining as claimed in claim 3, wherein: the bottom of the link rod (701) is fixedly connected with a second spring (12), and the bottom of the second spring (12) is fixedly connected with the inner wall of the fixed box (4).