CN211370464U

CN211370464U - Coal mine tunnel air door protective structure

Info

Publication number: CN211370464U
Application number: CN201921615631.9U
Authority: CN
Inventors: 袁秋根
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-08-28
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a coal mine tunnel air door protective structure, including tunnel main part, air door main part and limit baffle, the lateral wall fixed mounting of tunnel main part has the mount pad, the inside fixed mounting rotating gear of mount pad to install the axis of rotation through the rotating gear meshing, the installation end and the axis of rotation fixed mounting of air door main part, tunnel main part and air door main part are opened the equal fixed mounting of terminal surface that the relative lateral wall of end corresponds the air door main part and are blocked the limit, limit baffle's installation end fixed mounting has the torsional spring, the installation end of torsional spring is through the terminal fixed mounting on pivot and card limit. This coal mine tunnel air door protective structure possesses the impact force buffering of being convenient for open or close the production to the air door to improve the air door and install the advantage at tunnel inside seal nature, solved current air door when using in the tunnel installation, easily because of opening for a long time and close and cause the deformation, influence the problem of air door result of use.

Description

Coal mine tunnel air door protective structure

Technical Field

The utility model relates to a coal mine tunnel technical field specifically is a coal mine tunnel air door protective structure.

Background

The air door is an important infrastructure for mine ventilation and is responsible for the important tasks of stabilizing a well ventilation system, controlling short circuit of air flow and ensuring the air volume of each production system. If the air door used in the mine has poor sealing performance, the phenomenon of air leakage or damage occurs, the phenomena of breeze and no wind in wind-using workplaces such as excavation work and the like are easily caused, the gas or other harmful gases frequently generated in work can not be effectively diluted and discharged, and the damage of the air door easily causes the short circuit of mine wind current and causes ventilation safety accidents.

The mode that current air door adopted artifical or full-automatic to open and close more, when opening or closing the air door, the air door is opened and is closed too hard and very easily leads to the deformation of air door after using for a long time to influence the leakproofness of air door, therefore how to improve air door result of use through the resistance to shock power that improves the air door is one of the problem that awaits a urgent need to solve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal mine tunnel air door protective structure possesses and is convenient for open or close the impact force buffering that produces the air door to improve the air door and install the advantage at tunnel inside seal nature, solved current air door when using in the tunnel installation, easily close because of long-time opening and cause the deformation, influence the problem of air door result of use.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine roadway air door protection structure comprises a roadway main body, an air door main body and a limiting baffle, wherein a mounting seat is fixedly mounted on the side wall of the roadway main body, a rotating gear is fixedly mounted in the mounting seat, a rotating shaft is mounted in the mounting seat in a meshed mode through the rotating gear, and a mounting end of the air door main body is fixedly mounted with the rotating shaft;

the equal fixed mounting of terminal surface that tunnel main part and air door main part open end relative lateral wall correspond the air door main part has the card limit, limit baffle's mounting end fixed mounting has the torsional spring, the terminal fixed mounting of the mounting end through pivot and card limit of torsional spring.

Preferably, the inner wall of the roadway main body is provided with a sealing rubber edge corresponding to the periphery of the air door main body, and the periphery of the air door main body is coated by the sealing rubber edge.

Preferably, the input fixed mounting of axis of rotation has driving motor, driving motor's input parallel connection has two sets of touch sensor that have, touch sensor fixed mounting is at the relative terminal surface of air door main part open end.

Preferably, the end face of the air door main body is provided with a vent, the vent is fixedly provided with a sealing door through a pin shaft, the periphery of the vent corresponding to the sealing door is provided with a sealing edge covering, and the sealing edge covering and the periphery of the sealing door are arranged in a covering mode.

Preferably, the end face of the limit baffle corresponding to the air door main body is provided with a rubber layer and is in contact with the end face of the air door main body through the rubber layer.

Preferably, the distance between the limit baffles is larger than the thickness of the air door main body.

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

1. the utility model discloses the end of the installation of air door main part is through axis of rotation meshing installation rotating gear, and the opening end that corresponds the air door main part inside the tunnel main part passes through torsional spring installation limit baffle, the torsional spring adopts the torsional spring setting that the torsional force is greater than air door main part self weight, when needing to open past haulage vehicle to the air door main part, the operator passes through axis of rotation and rotating gear meshing rotation to the air door main part, the opening end of air door main part is opened the limit baffle of opening direction through the pivot, the torsional force of torsional spring is less than the dynamics that promotes the air door main part, past haulage vehicle passes through the tunnel main part of opening after the air door main part is opened through; when the air door main part is used and is closed to tunnel main part inside, the axis of rotation of air door main part installation end is reverse to rotate with the meshing gear engagement, air door main part opening end drives limit baffle to the opposite side and rotates, limit baffle resets through the torsional dynamics of torsional spring behind the limit baffle is drawn to the opening end of air door main part, thereby loosen and make power to the air door main part closure, the opening end that makes the air door main part is located between the limit baffle, it is fixed to the opening end both ends face centre gripping of air door main part through limit baffle, when the air door main part receives wind-force or other external forces to promote, limit baffle is spacing to the air door main part, avoid the air door main part to rock and appear the damage in tunnel main part inside, thereby influence the leakproofness of.

2. The utility model discloses set up the vent at air door main part terminal surface, when the ventilation system that needs reduce the installation of air door main part need reduce wind-force, open the sealing door, reduce the air door main part to the inside leakproofness of tunnel main part to weaken ventilation system's ventilation wind-force, the seal that the vent corresponds the sealing door setting is bordured and is sealed when the sealing door is closed the vent, avoids its leakproofness that influences the air door main part to the tunnel main part.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the main body of the damper according to the present invention;

FIG. 3 is a schematic view of the installation structure of the rotating shaft and the mounting seat of the present invention;

fig. 4 is the electric connection structure diagram of the driving motor and the touch sensor of the present invention.

In the figure: a roadway body 1; a damper main body 2; a limit baffle 3; a mounting seat 4; a rotating gear 5; a rotating shaft 6; a clamping edge 7; a torsion spring 8; a drive motor 9; a touch sensor 10; a sealing door 11; a rubber layer 12; and sealing the adhesive edge 13.

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. 1-4, a coal mine roadway air door protection structure comprises a roadway main body 1, an air door main body 2 and a limit baffle 3, wherein a mounting seat 4 is fixedly mounted on the side wall of the roadway main body 1, a rotating gear 5 is fixedly mounted inside the mounting seat 4, a rotating shaft 6 is mounted in the mounting seat 4 in a meshed manner through the rotating gear 5, and a mounting end of the air door main body 2 is fixedly mounted with the rotating shaft 6;

the equal fixed mounting of terminal surface that tunnel main part 1 and air door main part 2 open the relative lateral wall of end correspond the air door main part has card limit 7, limit baffle's mounting end fixed mounting has torsional spring 8, torsional spring 8's mounting end is through the terminal fixed mounting of pivot with card limit 7.

Referring to fig. 1, the inner wall of the roadway body 1 is provided with a sealant edge 13 corresponding to the periphery of the air door body 2, and the periphery of the air door body 2 is covered by the sealant edge 13. The sealing rubber edge 13 assists the air door main body 2 to seal the interior of the roadway main body 1, and the sealing performance of the air door main body 2 in use is ensured.

Referring to fig. 1 to 4, a driving motor 9 is fixedly installed at an input end of the rotating shaft 6, two sets of touch sensors 10 are connected in parallel at the input end of the driving motor 9, and the touch sensors 10 are fixedly installed at opposite end surfaces of an opening end of the air door main body 2. The driving motor 9 is set by a 70SZ series direct current servo motor, and the touch sensor 10 is set by an EDS344-3-250 and 000 Hendeck pressure sensor. The input end electric connection of driving motor 9 can the treater of programming, and touch sensor 10 is to air door main part 2 and limit

baffle

3 or 1 inner wall contact response in tunnel main part to with the information output of response to driving motor 9's input, thereby through driving motor 9 input electric connection's controller to driving motor 9's operation or close control.

Referring to fig. 1, an end surface of the air door main body 2 is provided with a vent, the vent is fixedly provided with a sealing door 11 through a pin, and the vent is provided with a sealing edge corresponding to the periphery of the sealing door 11 and is wrapped with the periphery of the sealing door 11 through the sealing edge. When ventilation system that needs reduce 2 installations of air door main part need reduce wind-force, open sealing door 11, reduce 2 leakproofness to 1 inside in the tunnel main part of air door main part to weaken ventilation system's ventilation wind-force, the sealed borduring that the vent corresponds the setting of sealing door 11 is sealed when sealing door 11 closes the vent, avoids its leakproofness that influences air door main part 2 to tunnel main part 1.

Referring to fig. 1-2, the end surface of the limit baffle 3 corresponding to the air door main body 2 is provided with a rubber layer 12, and is in contact with the end surface of the air door main body 2 through the rubber layer 12. The rubber layer 12 is used for elastically supporting the opening end of the air door main body 2, so that the impact force generated by the air door main body 2 and the limiting baffle 3 when the air door main body is opened is reduced.

When the air door main body 2 is used, the torsion spring 8 is arranged by adopting a torsion spring with the torsion strength larger than the self weight of the air door main body 2, when a passing transport vehicle needs to be opened for the air door main body 2, an operator meshes the air door main body 2 with the rotating gear 5 through the rotating shaft 6 to rotate, the opening end of the air door main body 2 is opened for the limiting baffle 3 in the opening direction through the rotating shaft, the torsion strength of the torsion spring 8 is smaller than the force for pushing the air door main body 2, and the passing transport vehicle passes through the opened roadway main body 1 after the air door main body 2 is opened through; when using back to 1 inside closure in tunnel main part 2 in the air door main part, 6 reversals of axis of rotation and the meshing of meshing gear 5 of the installation end of air door main part 2 rotate, 2 opening ends of air door main part drive limit baffle 3 to the opposite side and rotate, limit baffle 3 resets through the torsional dynamics of torsional spring 8 after 3 back limit baffle is drawn at the opening end of air door main part 2, thereby loosen and make power to 2 closure of air door main part, make the opening end of air door main part 2 be located between limit baffle 3, it is fixed to the opening end both ends face centre gripping of air door main part 2 through limit baffle 3, when air door main part 2 receives wind-force or other external forces to promote, limit baffle 3 is spacing to air door main part 2, avoid air door main part 2 to rock and appear the damage in 1 inside tunnel main part, thereby influence the leakproofness of air door main part.

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. The utility model provides a coal mine tunnel air door protective structure, includes tunnel main part (1), air door main part (2) and limit baffle (3), its characterized in that: the side wall of the roadway main body (1) is fixedly provided with an installation seat (4), a rotating gear (5) is fixedly installed in the installation seat (4), a rotating shaft (6) is installed in the installation seat (4) in a meshed mode through the rotating gear (5), and the installation end of the air door main body (2) is fixedly installed with the rotating shaft (6);

tunnel main part (1) and air door main part (2) open the equal fixed mounting of terminal surface that the relative lateral wall of end corresponds the air door main part have card limit (7), the mounting end fixed mounting of limit baffle () has torsional spring (8), the terminal fixed mounting of installation end through pivot and card limit (7) of torsional spring (8).

2. The coal mine roadway air door protection structure according to claim 1, characterized in that: the periphery that tunnel main part (1) inner wall corresponds air door main part (2) is provided with sealed glue limit (13) to set up the peripheral cladding of air door main part (2) through sealed glue limit (13).

3. The coal mine roadway air door protection structure according to claim 1, characterized in that: the input end fixed mounting of axis of rotation (6) has driving motor (9), the input of driving motor (9) is parallelly connected to have two sets of touch sensor (10), touch sensor (10) fixed mounting is at the relative terminal surface of air door main part (2) open end.

4. The coal mine roadway air door protection structure according to claim 1, characterized in that: the ventilation opening has been seted up to the terminal surface of air door main part (2), the ventilation opening has sealing door (11) through round pin axle fixed mounting, the ventilation opening corresponds the periphery of sealing door (11) and is provided with the sealed bordure to set up with the peripheral cladding of sealing door (11) through the sealed bordure.

5. The coal mine roadway air door protection structure according to claim 1, characterized in that: the end face of the limiting baffle (3) corresponding to the air door main body (2) is provided with a rubber layer (12) and is in contact with the end face of the air door main body (2) through the rubber layer (12).