CN213016428U

CN213016428U - Colliery is air door blocking device in pit

Info

Publication number: CN213016428U
Application number: CN202020523066.XU
Authority: CN
Inventors: 肖冬云
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-04-20
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a colliery is wind door technical field in the pit discloses a colliery is wind door blocking device in pit, including the guide rail, guide rail bottom left and right sides two all is provided with the door frame, two the equal fixedly connected with beam barrel in two parts about door frame one side in opposite directions is located same on the door frame two movable through connection has the axostylus axostyle between the beam barrel, and axostylus axostyle upper end fixedly connected with gear is located the guide rail front side is provided with the rack, and the equal fixedly connected with slider in both sides is controlled to lateral part behind the rack. The utility model discloses whole stop gear adopts the structure of gear and rack, and is with low costs, and it is very convenient that the operation is got up, and the fault rate is extremely low, avoids among the prior art that the stop gear of adopting the electrical apparatus structure can't arrive spacing and open the problem of air door under the condition of outage.

Description

Colliery is air door blocking device in pit

Technical Field

The utility model relates to a colliery is air door technical field in the pit specifically is a colliery is air door blocking device in the pit.

Background

At present, when working in the underground of a coal mine, ventilation is often needed to ensure the ventilation of underground air and the timely emission of toxic gas. The air door is one of the most main ventilation facilities in the underground coal mine, and the air volume of each underground place is controlled through the air door to keep the stability of a ventilation system.

Open (bulletin) No. CN208793028U through the retrieval and disclose a colliery is air door blocking device in pit, including pressure tuber pipe, door frame, first air door, outlet duct, axis of rotation, protecting sheathing, spliced pole, second air door, intake pipe, door top, auto-lock shell, hasp, through-hole, adjustable fender, piston, expanding spring, lock core, rubber cushion pad, magnetism magnet and connecting block, first air door all is provided with the door frame with one side of second air door, there is the connecting block one side of door frame through the bolt fastening, one side of connecting block is fixed with the magnetism magnet through the bonding, one side of magnetism magnet is fixed with rubber cushion pad through the bonding, first air door all has the axis of rotation through bearing swing joint with the opposite side of second air door.

However, the technical scheme still has at least the following defects:

the problem that a limiting mechanism adopting an electric appliance structure cannot limit and open an air door under the condition of power failure in the prior art is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is wind door blocking device in pit has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine underground air door locking device comprises a guide rail, wherein door frames are arranged on the left and right parts of the bottom of the guide rail, shaft barrels are fixedly connected to the upper and lower parts of one opposite side of the two door frames, a shaft lever is movably connected between the two shaft barrels on the same door frame in a penetrating manner, a gear is fixedly connected to the upper end of the shaft lever, a rack is arranged on the front side of the guide rail, and sliding blocks are fixedly connected to the left and right sides of the rear side of the rack;

the rack is meshed with the two gears and is positioned at the left part and the right part of the bottom of the rack, the connecting rods are fixedly connected downwards vertically, the lower ends of the connecting rods are fixedly connected with limit stops, the limit stops are positioned at the upper part of the inner cavity of the door frame, and arc-shaped grooves are vertically formed in the middle positions of the upper parts of the door frame.

As an optimal implementation mode of the utility model, swing joint in slider and the guide rail, the opening of running through with the slider adaptation is seted up to guide rail front side middle part along its length direction.

As an embodiment of the present invention, two the axostylus axostyle respectively with first air door and second air door fixed connection, be located the equal fixedly connected with fan-shaped baffle in both sides around first air door and the second air door upper portion intermediate position.

As a preferred embodiment of the present invention, the fan-shaped baffle and the arc-shaped groove are adapted to each other.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses whole stop gear adopts the structure of gear and rack, and is with low costs, and it is very convenient that the operation is got up, and the fault rate is extremely low, avoids among the prior art that the stop gear of adopting the electrical apparatus structure can't arrive spacing and open the problem of air door under the condition of outage.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the locking device for the underground coal mine air door of the present invention;

FIG. 2 is a schematic view of the rack and gear connection overlooking structure of the coal mine underground air door locking device of the present invention;

fig. 3 is the utility model relates to a limit stop of colliery air door blocking device looks sideways at the schematic diagram in the distribution of arc wall.

In the figure: 1. a guide rail; 2. a connecting rod; 3. a rack; 4. a gear; 5. an arc-shaped slot; 6. a limit stop block; 7. A fan-shaped baffle plate; 8. a first damper; 9. a shaft lever; 10. a shaft cylinder; 11. a second damper; 12. a door frame; 13. A slide block.

The utility model provides an instrument all can be through market purchase and private customization acquisition.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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, but do not indicate or imply that the device or element so 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; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a coal mine underground air door locking device comprises a guide rail 1, wherein door frames 12 are arranged on the left side and the right side of the bottom of the guide rail 1, shaft cylinders 10 are fixedly connected to the upper portion and the lower portion of one opposite side of the two door frames 12, a shaft rod 9 is movably connected between the two shaft cylinders 10 on the same door frame 12 in a penetrating manner, a gear 4 is fixedly connected to the upper end of the shaft rod 9, a rack 3 is arranged on the front side of the guide rail 1, and sliding blocks 13 are fixedly connected to the left side and the right side of the rear side of the rack;

the rack 3 meshes with two gears 4, is located the equal vertical fixedly connected with connecting rod 2 downwards in two parts about 3 bottoms of rack, and connecting rod 2 lower extreme fixedly connected with limit stop 6, and limit stop 6 is located 12 inner chamber upper portions of door frame, and the arc wall 5 has vertically been seted up to two 12 upper portion intermediate positions of door frame.

In this embodiment, the sliding block 13 is movably connected with the inside of the guide rail 1, and the middle part of the front side of the guide rail 1 is provided with a notch which is matched and penetrated with the sliding block 13 along the length direction thereof, so that the sliding block 13 can be flexibly moved in the guide rail 1.

In this embodiment, two axostylus axostyles 9 respectively with

first air door

8 and 11 fixed connection of second air door, be located the equal fixedly connected with sector baffle 7 in both sides around first air door 8 and the 11 upper portion intermediate positions of second air door.

In this embodiment, the fan-shaped baffle 7 is fitted with the arc-shaped slot 5.

When the locking device for the underground coal mine air door is used, the utility model relates to a locking device for the underground coal mine air door, which comprises a guide rail 1; 2. a connecting rod; 3. a rack; 4. a gear; 5. an arc-shaped slot; 6. a limit stop block; 7. a fan-shaped baffle plate; 8. a first damper; 9. a shaft lever; 10. a shaft cylinder; 11. a second damper; 12. a door frame; 13. the slider and the components are all standard parts or components known to those skilled in the art, and the structure and principle of the slider and the components are known to those skilled in the art through technical manuals or through routine experiments.

When the air door is used, when the first air door 8 is opened, the gear 4 at the upper end of the shaft rod 9 of the first air door 8 drives the rack 3 to move on the guide roller 1, the rack 3 drives the gear 4 at the upper end of the shaft rod 9 of the second air door 11 to rotate so as to drive the limit stop 6 to move to a position between the fan-shaped baffle plates 7 positioned on the second air door 11, the limit stop 6 positioned above the first air door 8 is positioned at the left side of the arc-shaped groove 5 of the door frame 12, the limit stop 6 positioned above the second air door 11 is positioned at the middle position of the arc-shaped groove 5, so that the second air door 11 is ensured to achieve the limiting effect by matching the limit stop 6 with the fan-shaped baffle plates 7 at the upper part of the second air door 11, when the first air door 8 is closed, the limit stop 6 positioned on the second air door 11 is separated from the fan-shaped baffle plates 7, and the limit stop 6, the second air door 11 can be opened flexibly, the whole mechanism adopts a structure of a gear and a rack, the cost is low, the operation is very convenient, and the failure rate is extremely low.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a colliery is air door blocking device in pit, includes guide rail (1), its characterized in that: the left and right parts of the bottom of the guide rail (1) are respectively provided with a door frame (12), the upper and lower parts of one opposite side of the two door frames (12) are respectively and fixedly connected with a shaft barrel (10), a shaft rod (9) is movably connected between the two shaft barrels (10) on the same door frame (12) in a penetrating manner, the upper end part of the shaft rod (9) is fixedly connected with a gear (4), the front side of the guide rail (1) is provided with a rack (3), and the left and right sides of the rear side part of the rack (3) are respectively and fixedly connected with a sliding block (;

the rack (3) is meshed with the two gears (4) and is located a connecting rod (2) fixedly connected to the left and right sides of the bottom of the rack (3) vertically downwards, a limit stop (6) is fixedly connected to the lower end of the connecting rod (2), the limit stop (6) is located on the upper portion of an inner cavity of the door frame (12), and an arc-shaped groove (5) is vertically formed in the middle of the upper portion of the door frame (12).

2. The coal mine underground air door locking device according to claim 1, characterized in that: the sliding block (13) is movably connected with the inside of the guide rail (1), and the middle part of the front side of the guide rail (1) is provided with a gap which is matched with and penetrates through the sliding block (13) along the length direction.

3. The coal mine underground air door locking device according to claim 1, characterized in that: two axostylus axostyle (9) respectively with first air door (8) and second air door (11) fixed connection, be located both sides are equal fixedly connected with fan-shaped baffle (7) around first air door (8) and second air door (11) upper portion intermediate position.

4. The coal mine underground air door locking device according to claim 3, characterized in that: the fan-shaped baffle (7) is matched with the arc-shaped groove (5).