CN217440082U

CN217440082U - Pressure relief device for linkage of mining air door opening lever and air window

Info

Publication number: CN217440082U
Application number: CN202221104700.1U
Authority: CN
Inventors: 段晓平; 张雷; 罗武贤; 王文彬; 史长银; 丁文敬; 李厚岐
Original assignee: Zhangshuanglou Coal Mine Of Jiangxu Xukuang Energy Co ltd
Current assignee: Zhangshuanglou Coal Mine Of Jiangxu Xukuang Energy Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-16
Anticipated expiration: 2032-05-09

Abstract

The application discloses a pressure relief device for linkage of an opening lever and an air window of a mining air door, which comprises a door frame, an opening mechanism and a pressure relief mechanism; the opening mechanism comprises a sliding sleeve and a push rod, wherein air doors are arranged on two sides of the door frame, one side of each air door is connected with the door frame through a rotating shaft, an adjusting groove is formed in the top end of the door frame, two screws are arranged in the adjusting groove, one screw is connected with a driven gear in opposite directions, the sliding sleeve is sleeved on the surface of each screw, a connecting plate is installed at the top of each air door, the push rod is arranged on one side of the connecting plate, and two ends of each push rod are respectively connected with the sliding sleeve and the connecting plate through connecting pieces. This application easy operation can cooperate two air doors of axis of rotation control to move simultaneously through motor, driving gear, adjustment tank, driven gear, lead screw, sliding sleeve, connecting piece, push rod, connecting plate, is convenient for pass the air door, can move about the pressure relief window when the air door activity through cardan shaft, connecting rod, slider, slide rail.

Description

Pressure relief device for linkage of mining air door opening lever and air window

Technical Field

The application relates to the field of mines, in particular to a pressure relief device for linkage of a mining air door opening lever and an air window.

Background

A mine is a generic term for roadways, chambers, equipment, ground buildings and structures that form the production system of an underground coal mine. Inclined shafts, vertical shafts, adits and the like in underground mining of mines are also sometimes referred to as mines. The determination of the field range size, the production capacity and the service life of each mine is one of the key problems which must be solved in the self-design of the mines.

When the mining air door is used, the negative pressure of the underground part of the air door is large, and a mechanical lever device is generally installed to assist in opening the air door. The condition that the air door is difficult to open still exists, and under the general condition, when passing the air door, it is inconvenient to open the pressure relief window simultaneously and the lever operation, has the potential safety hazard. Therefore, the pressure relief device for linkage of the mining air door opening lever and the air window is provided aiming at the problems.

Disclosure of Invention

The pressure relief device for the linkage of the mining air door opening lever and the air window is provided in the embodiment and used for solving the problem of inconvenient operation in the prior art.

According to one aspect of the application, a pressure relief device for linkage of an opening lever and an air window of a mining air door is provided, and comprises a door frame, an opening mechanism and a pressure relief mechanism;

the opening mechanism comprises a sliding sleeve and a push rod, air doors are arranged on two sides of the door frame, one side of each air door is connected with the door frame through a rotating shaft, an adjusting groove is formed in the top end of the door frame, two lead screws are arranged in the adjusting groove, the two lead screws are connected with a driven gear on one side in opposite directions, the sliding sleeve is sleeved on the surface of each lead screw, a connecting plate is installed on the top of each air door, the push rod is arranged on one side of the connecting plate, and the two ends of the push rod are respectively connected with the sliding sleeve and the connecting plate through connecting pieces.

Further, the pressure relief mechanism comprises a connecting rod and a pressure relief window, a window is formed in one side of the air door, the pressure relief window is arranged on one side of the window, sliding blocks are connected to two sides of the pressure relief window, two sliding rails are arranged on the surface of the pressure relief window, the sliding blocks are mounted on the surfaces of the sliding rails, the top of the pressure relief window is provided with the connecting rod, and the top and the bottom of the connecting rod are respectively connected with the top of the door frame and the top of the pressure relief window through universal shafts.

Further, the motor is installed at the top of the door frame, the output end of the motor is connected with the driving gear, and the driving gear is located inside the adjusting groove.

Further, driven gear and driving gear meshing, the lead screw passes through threaded connection with the sliding sleeve, driven gear one end rotation connection adjustment inslot wall is kept away from to the lead screw.

Furthermore, the two ends of the push rod are rotatably connected with the connecting piece, and the air door is rotatably connected with the rotating shaft.

Further, the sliding block is connected with the sliding rail in a sliding mode, and the width of the pressure relief window is larger than the width of the inner side of the window.

Through the above-mentioned embodiment of this application, adopted opening mechanism and release mechanism, solved the inconvenient problem of operation, gained and opened air door and pressure relief effect simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of one embodiment of the present application;

FIG. 2 is a schematic top view of an embodiment of the present application;

fig. 3 is a schematic front view of an embodiment of the present application.

In the figure: 1. a door frame; 2. a lead screw; 3. a sliding sleeve; 4. a driving gear; 5. a connecting member; 6. a rotating shaft; 7. an adjustment groove; 8. a driven gear; 9. a damper; 10. a connecting plate; 11. a push rod; 12. a slide rail; 13. a slider; 14. a pressure relief window; 15. a connecting rod; 16. a cardan shaft; 17. a motor; 18. and (4) a window.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, a pressure relief device for linkage of a mining air door opening lever and an air window comprises a door frame 1, an opening mechanism and a pressure relief mechanism;

opening mechanism includes sliding sleeve 3 and

push rod

11, 1 both sides of door frame all are equipped with air door 9, air door 9 one side is through axis of rotation 6 connection door frame 1, adjustment tank 7 is seted up on 1 top of door frame, 7 inside are equipped with two lead screws 2, two driven gear 8 is all connected to lead screw 2 one side in opposite directions, 2 surperficial covers of lead screw have sliding

sleeve

3, 9 top installation connecting plates 10 of air door, connecting plate 10 one side is equipped with push rod 11, sliding sleeve 3 and connecting plate 10 are connected respectively through connecting piece 5 at 11 both ends of push rod.

The pressure relief mechanism comprises a connecting rod 15 and a pressure relief window 14, a window 18 is formed in one side of the air door 9, the pressure relief window 14 is arranged on one side of the window 18, sliding blocks 13 are connected to two sides of the pressure relief window 14, two sliding rails 12 are arranged on the surface of the pressure relief window 14, the sliding blocks 13 are mounted on the surfaces of the sliding rails 12, the connecting rod 15 is arranged at the top of the pressure relief window 14, and the top and the bottom of the connecting rod 15 are respectively connected with the top of the door frame 1 and the top of the pressure relief window 14 through universal shafts 16; a motor 17 is installed at the top of the door frame 1, the output end of the motor 17 is connected with a driving gear 4, and the driving gear 4 is located inside an adjusting groove 7, so that the air door 9 and the pressure relief window 14 can be opened conveniently; the driven gear 8 is meshed with the driving gear 4, the lead screw 2 is connected with the sliding sleeve 3 through threads, one end, far away from the driven gear 8, of the lead screw 2 is rotatably connected with the inner wall of the adjusting groove 7, and the sliding sleeve 3 can be driven to move through the lead screw 2; both ends of the push rod 11 are rotatably connected with the connecting piece 5, and the air door 9 is rotatably connected with the rotating shaft 6, so that the air door 9 can be conveniently rotated and opened; the sliding block 13 is connected with the sliding rail 12 in a sliding manner, and the width of the pressure relief window 14 is greater than the width of the inner side of the window 18, so that the function of guiding can be achieved.

When the air door is used, when the air door 9 passes through, the driving gear 4 can be driven to rotate through the motor 17, when the driving gear 4 rotates, the driven gear 8 can drive the screw rod 2 to rotate together, at the moment, the sliding sleeve 3 on the surface of the screw rod 2 can start to move, the connecting plate 10 can be pushed to move through the sliding sleeve 3, the connecting piece 5 and the push rod 11, and the connecting plate 10 can be opened to facilitate entering and exiting when the air door 9 is driven to rotate by the connecting plate 10;

when the air door 9 moves, the pressure relief window 14 can be driven to move upwards through the connecting rod 15 and the universal shaft 16, the sliding blocks 13 on the two sides of the pressure relief window 14 can slide on the surface of the sliding rail 12, the guiding effect can be achieved, pressure reduction is facilitated when the air door is opened, the opening facilitating effect is achieved, and when the air door 9 is closed, the pressure relief window 14 is driven to reset through the connecting rod 15 and the universal shaft 16.

The application has the advantages that:

1. the air door opening and closing device is simple to operate, and the motor, the driving gear, the adjusting groove, the driven gear, the lead screw, the sliding sleeve, the connecting piece, the push rod and the connecting plate can be matched with the rotating shaft to control the two air doors to move simultaneously, so that the air doors can conveniently penetrate through;

2. this application is rational in infrastructure, can move about the pressure relief window when the air door activity through cardan shaft, connecting rod, slider, slide rail, and the cooperation window of being convenient for can be opened in the linkage of pressure relief window together when the air door activity, can reduce the air door negative pressure, plays the effect of conveniently opening.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a mining air door opens pressure relief device of lever and wind window linkage which characterized in that: comprises a doorframe (1), an opening mechanism and a pressure relief mechanism;

opening mechanism includes sliding sleeve (3) and push rod (11), door frame (1) both sides all are equipped with air door (9), door frame (1) is connected through axis of rotation (6) in air door (9) one side, adjustment tank (7) are seted up on door frame (1) top, inside two lead screw (2) of being equipped with of adjustment tank (7), two driven gear (8) are all connected to lead screw (2) one side in opposite directions, lead screw (2) surface cover has sliding sleeve (3), air door (9) top erection joint board (10), connecting plate (10) one side is equipped with push rod (11), sliding sleeve (3) and connecting plate (10) are connected respectively through connecting piece (5) in push rod (11) both ends.

2. The mining damper opening lever and damper linkage pressure relief device according to claim 1, wherein: the pressure relief mechanism comprises a connecting rod (15) and a pressure relief window (14), a window (18) is formed in one side of the air door (9), the pressure relief window (14) is arranged on one side of the window (18), sliding blocks (13) are connected to two sides of the pressure relief window (14), two sliding rails (12) are arranged on the surface of the pressure relief window (14), the sliding rails (12) are mounted on the surfaces of the sliding rails (13), the connecting rod (15) is arranged on the top of the pressure relief window (14), and the top and the bottom of the connecting rod (15) are respectively connected with the top of the door frame (1) and the top of the pressure relief window (14) through universal shafts (16).

3. The mining damper opening lever and damper linkage pressure relief device according to claim 1, wherein: the motor (17) is installed at the top of the door frame (1), the output end of the motor (17) is connected with the driving gear (4), and the driving gear (4) is located inside the adjusting groove (7).

4. The mining damper opening lever and window linkage pressure relief device of claim 1, wherein: driven gear (8) and driving gear (4) meshing, lead screw (2) pass through threaded connection with sliding sleeve (3), driven gear (8) one end rotation connection adjustment tank (7) inner wall is kept away from in lead screw (2).

5. The mining damper opening lever and damper linkage pressure relief device according to claim 2, wherein: both ends of the push rod (11) are rotatably connected with the connecting piece (5), and the air door (9) is rotatably connected with the rotating shaft (6).

6. The mining damper opening lever and damper linkage pressure relief device according to claim 2, wherein: the sliding block (13) is connected with the sliding rail (12) in a sliding mode, and the width of the pressure relief window (14) is larger than the width of the inner side of the window (18).