CN215108992U

CN215108992U - Coal mine tunnel air door protection device

Info

Publication number: CN215108992U
Application number: CN202121573046.4U
Authority: CN
Inventors: 张鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-10
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a coal mine tunnel air door protector, including door frame and two door plants, two the door plant is articulated with door frame both sides inner wall respectively, two the observation window has been seted up respectively to the door plant lateral wall, two the motion chamber has been seted up respectively to the door plant inner wall, two motion mechanisms have been installed to the motion intracavity, two motion grooves have been seted up to the motion chamber bottom wall, two the motion groove inner wall sliding connection respectively has the motion board, two the motion hole has been seted up respectively to door plant one side lateral wall, the elastic block has been installed in the motion hole, the elastic block is located two first springs of motion downthehole lateral wall fixedly connected with, two elastic block one end fixedly connected with fixed plate respectively is kept away from to first spring. The utility model discloses on the elastic block that well set up can prevent that the transport vechicle from directly striking the door plant to protected the safety of air door, when the air door was opened, can withdraw the door plant with the elastic block moreover, made the elastic block can not hinder the normal current of transport vechicle.

Description

Coal mine tunnel air door protection device

Technical Field

The utility model relates to a coal mine tunnel safety technical field especially relates to coal mine tunnel air door protector.

Background

The air door is an important infrastructure for mine ventilation and is responsible for stabilizing a well ventilation system, controlling short circuit of air flow and ensuring effective air volume of each air used by a production system. If the sealing performance of the air door used in the mine is poor and air leakage is serious, breeze and no wind can occur in wind using places such as a mining working face and the like, gas and other harmful gases cannot be effectively diluted, even short circuit of wind current can be caused, and the result is that a ventilation system is disordered and a working area is breeze and no wind necessarily exists.

Because still need let the transport vechicle pass through in the air door, and when the transport vechicle went in the mine road, probably hit the air door under the not good condition of lighting environment, seriously disturb the normal work of air door, probably harm staff's life safety in mine road and the mine road even, collision avoidance device's setting also probably can hinder the normal through of transport vechicle moreover, for this reason, we propose coal mine tunnel air door protector and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the air door lacks a device for preventing the transport vehicle from being collided, and the anti-collision device can also obstruct the normal passing of the transport vehicle, so the air door protective device for the coal mine roadway is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

coal mine tunnel air door protector, including door frame and two door plants, two the door plant is articulated with door frame both sides inner wall respectively, two the observation window has been seted up respectively to the door plant lateral wall, two the motion chamber has been seted up respectively to the door plant inner wall, two motion mechanisms have been installed to the motion intracavity, two motion grooves have been seted up to the motion chamber bottom wall, two the motion groove inner wall sliding connection has the motion board respectively, two the motion hole has been seted up respectively to door plant one side lateral wall, the downthehole elastic block that has installed of motion, the elastic block is located two first springs of motion downthehole lateral wall fixedly connected with, two elastic block one end fixedly connected with fixed plate respectively is kept away from to first spring, two first spring one side lateral wall is kept away from respectively with two motion board lateral walls and offsets with two motion board lateral walls to the fixed plate.

Preferably, one side of each of the two fixed plates, which is connected with the first spring, is designed to be arc-shaped, and the side of each of the two moving plates, which is opposite to the fixed plate, is also designed to be arc-shaped.

Preferably, two the door plant is kept away from elasticity piece one side lateral wall and has been seted up first side spout and second side spout respectively, first side spout inner wall sliding connection has first drawing block, second side spout inner wall sliding connection has the second to draw the piece, first inserted bar of drawing block diapire fixedly connected with, the second draws block diapire fixedly connected with second inserted bar, first inserted bar and second inserted bar run through the lateral wall of two adjacent one sides of door plant respectively, first inserted bar inserts in the second inserted bar.

Preferably, the movement mechanism comprises a first supporting rod, a second supporting rod, a limiting block and a second spring, one end of the first supporting rod and one end of the second supporting rod are respectively and rotatably connected with the side walls of the two movement plates, the limiting block is fixedly connected to the side wall of the movement cavity, and the side wall of the limiting block is fixedly connected with the second spring.

Preferably, one end, far away from the limiting block, of the second spring is fixedly connected with the side wall of the first insertion rod, in the door plate where the first insertion rod is located, one end, far away from the moving plate, of the first support rod and one end, far away from the moving plate, of the second support rod are respectively rotatably connected with the side wall of the first insertion rod, the other end, far away from the limiting block, of the second spring is fixedly connected with the side wall of the second insertion rod, in the door plate where the second insertion rod is located, one end, far away from the moving plate, of the first support rod and one end, far away from the moving plate, of the second support rod are respectively rotatably connected with the side wall of the second insertion rod.

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

1. the elastic block on the side wall of the vehicle door can effectively protect the door panel from being impacted by the transport vehicle, so that the service life of the air door is effectively prolonged, the safety of the transport vehicle can be protected, and the transport efficiency of the transport vehicle is improved;

2. when the door plant was opened, the pulling first draws the piece and can make in the motion hole of elasticity piece withdrawal door plant lateral wall with the second draws the piece for when the transport vechicle passed through the air door, safer, effectively prevent the friction of elasticity piece and transport vechicle lateral wall.

Drawings

Fig. 1 is a front view of the coal mine tunnel air door protection device provided by the utility model;

fig. 2 is a back view of the coal mine tunnel air door protection device provided by the utility model;

FIG. 3 is a side view of the door panel;

FIG. 4 is a schematic view of a back structure of a door panel.

In the figure: 1 door frame, 2 door plants, 3 observation windows, 4 motion holes, 5 elastic blocks, 6 first springs, 7 fixed plates, 8 first side edge chutes, 9 second side edge chutes, 10 first pulling blocks, 11 second pulling blocks, 12 first insertion rods, 13 second insertion rods, 14 second springs, 15 limiting blocks, 16 first supporting rods, 17 second supporting rods, 18 motion grooves and 19 motion plates.

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.

Referring to fig. 1-4, the coal mine tunnel air door protective device, the air door is used for the tunnel that needs to go through the car and pedestrian to cut off the wind current or regulate the facility of the amount of wind, the air door (the wall buttress is built and is sealed the same) is used as and is set up in not allowing the wind current to pass through, but need in the tunnel of pedestrian or driving, its structural requirement is rigorous, leak the amount of wind few;

the door frame comprises a door frame 1 and two door plates 2, wherein the two door plates 2 are respectively hinged with the inner walls of two sides of the door frame 1, the side walls of the two door plates 2 are respectively provided with an observation window 3, the inner walls of the two door plates 2 are respectively provided with a motion cavity, two motion mechanisms are arranged in the motion cavities, each motion mechanism comprises a first supporting rod 16, a second supporting rod 17, a limiting block 15 and a second spring 14, one end of each first supporting rod 16 and one end of each second supporting rod 17 are respectively rotatably connected with the side walls of the two motion plates 19, the limiting blocks 15 are fixedly connected with the side walls of the motion cavities, and the side walls of the limiting blocks 15 are fixedly connected with the second springs 14;

one end of a second spring 14 far away from a limiting block 15 is fixedly connected with the side wall of a first inserting rod 12, in a door panel 2 where the first inserting rod 12 is located, one end of a first supporting rod 16 far away from a moving plate 19 and one end of a second supporting rod 17 far away from the moving plate 19 are respectively and rotatably connected with the side wall of the first inserting rod 12, one end of the other second spring 14 far away from the limiting block 15 is fixedly connected with the side wall of a second inserting rod 13, in the door panel 2 where the second inserting rod 13 is located, one end of the first supporting rod 16 far away from the moving plate 19 and one end of the second supporting rod 17 far away from the moving plate 19 are respectively and rotatably connected with the side wall of the second inserting rod 13, two moving grooves 18 are formed in the bottom wall of a moving cavity, the moving plates 19 are respectively and slidably connected with the inner walls of the two moving grooves 18, moving holes 4 are respectively formed in the side walls of the two door panels 2, an elastic block 5 is arranged in the moving hole 4, two first springs 6 are fixedly connected on the inner side walls of the elastic block 5 located in the moving hole 4, one ends of the two first springs 6, which are far away from the elastic block 5, are respectively and fixedly connected with a fixing plate 7;

two fixed plates 7 keep away from first spring 6 one side lateral wall and offset with two 19 lateral walls of moving plate respectively, one side that two fixed plates 7 and first spring 6 meet is the arc design, two moving plate 19 also are the arc design with fixed plate 7 relative one side, two door plant 2 keep away from 5 lateral walls of elasticity piece and have seted up first side spout 8 and second side spout 9 respectively, 8 inner wall sliding connection of first side spout have

first drawing block

10, 9 inner wall sliding connection of second side spout have the second drawing block 11, first drawing block 10 diapire fixedly connected with first inserted bar 12, 11 diapire fixedly connected with second inserted bar 13 of second drawing block, first inserted bar 12 runs through the lateral wall of two adjacent one sides of door plant 2 respectively with second inserted bar 13, first inserted bar 12 inserts in the second inserted bar 13.

In the utility model, the arrangement of the elastic block 5 can play a role of preventing the transport vehicle from impacting the door panel 2, and the first spring 6 can further relieve the impact of the transport vehicle, thereby effectively protecting the safety of the door panel 2;

when the door panel 2 needs to be opened and the transport vehicle passes through, the first pulling block 10 and the second pulling block 11 can be pulled, so that the first inserting rod 12 and the second inserting rod 13 are far away from each other, so that the two door panels 2 can be easily opened, the second spring 14 can be compressed by the movement of the first inserting rod 12 and the second inserting rod 13, the first supporting rod 16 and the second supporting rod 17 are moved, the two moving plates 19 are pushed to move towards the opposite direction along the moving grooves 18, the moving plates 19 which move oppositely can be separated from the side wall of the fixing plate 7, so that the fixing plate 7 is abutted against the side wall of the moving cavity, at the moment, the elastic block 5 is driven by the first spring 6 to move towards the inside of the moving hole 4, and therefore when the vehicle passes through, the elastic block 5 which originally protrudes out of the door panel 2 cannot rub the side wall of the vehicle.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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, 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.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The coal mine roadway air door protection device comprises a door frame (1) and two door plates (2), and is characterized in that the two door plates (2) are respectively hinged with the inner walls of the two sides of the door frame (1), the side walls of the two door plates (2) are respectively provided with an observation window (3), the inner walls of the two door plates (2) are respectively provided with a motion cavity, two motion mechanisms are arranged in the motion cavity, the bottom wall of the motion cavity is provided with two motion grooves (18), the inner walls of the two motion grooves (18) are respectively connected with a motion plate (19) in a sliding manner, the side wall of one side of each of the two door plates (2) is respectively provided with a motion hole (4), an elastic block (5) is arranged in the motion hole (4), the inner side wall of the elastic block (5) is fixedly connected with two first springs (6), one ends, far away from the elastic block (5), of the two first springs (6) are respectively and fixedly connected with a fixing plate (7), the side walls of one side of the two fixed plates (7) far away from the first spring (6) are respectively abutted against the side walls of the two moving plates (19).

2. The coal mine tunnel damper protection device according to claim 1, characterized in that the side of the two fixed plates (7) connected with the first spring (6) is arc-shaped, and the side of the two moving plates (19) opposite to the fixed plates (7) is also arc-shaped.

3. The coal mine roadway air door protection device according to claim 1, wherein a first side sliding groove (8) and a second side sliding groove (9) are respectively formed in the side wall of one side of the two door plates (2) far away from the elastic block (5), a first pulling block (10) is connected to the inner wall of the first side sliding groove (8) in a sliding mode, a second pulling block (11) is connected to the inner wall of the second side sliding groove (9) in a sliding mode, a first insertion rod (12) is fixedly connected to the bottom wall of the first pulling block (10), a second insertion rod (13) is fixedly connected to the bottom wall of the second pulling block (11), the first insertion rod (12) and the second insertion rod (13) respectively penetrate through the side wall of one side of the two door plates (2) adjacent to each other, and the first insertion rod (12) is inserted into the second insertion rod (13).

4. The coal mine roadway damper protection device according to claim 1, wherein the movement mechanism comprises a first support rod (16), a second support rod (17), a limiting block (15) and a second spring (14), one end of the first support rod (16) and one end of the second support rod (17) are respectively in rotating connection with the side walls of the two movement plates (19), the limiting block (15) is fixedly connected to the side wall of the movement cavity, and the side wall of the limiting block (15) is fixedly connected with the second spring (14).

5. The coal mine roadway air door protection device according to claim 4, wherein one end, far away from the limiting block (15), of the second spring (14) is fixedly connected with the side wall of the first insertion rod (12), in the door panel (2) where the first insertion rod (12) is located, one end, far away from the moving plate (19), of the first support rod (16) and one end, far away from the moving plate (19), of the second support rod (17) are respectively and rotatably connected with the side wall of the first insertion rod (12), one end, far away from the limiting block (15), of the other second spring (14) is fixedly connected with the side wall of the second insertion rod (13), in the door panel (2) where the second insertion rod (13) is located, one end, far away from the moving plate (19), of the first support rod (16) and one end, far away from the moving plate (19), of the second support rod (17) are respectively and rotatably connected with the side wall of the second insertion rod (13).