CN221096590U

CN221096590U - Underground double-channel air door locking device

Info

Publication number: CN221096590U
Application number: CN202323119447.4U
Authority: CN
Inventors: 季立山; 龚晓飞; 胡家仓; 王国平
Original assignee: Fuyun Mengku Iron LLC
Current assignee: Fuyun Mengku Iron LLC
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-06-07
Anticipated expiration: 2033-11-15

Abstract

The utility model relates to the technical field of underground ventilation safety, and discloses an underground double-channel air door locking device, which comprises a wall body and an upright post, and further comprises: the guide pipe is arranged at one side of the upright post, and the mounting piece is arranged at the outer side of the guide pipe; the steel wire rope is arranged in the guide tube, and the guide tube is internally provided with a reset spring and a limiting piece for limiting the reset spring; the guide piece arranged on one side of the wall body, and the first air door and the second air door which are arranged inside the wall body, the problem that the existing double-channel air door locking device on the market generally adopts a sensor and an electric control hydraulic mechanism to control the air door, the failure rate is higher in an underground complex operation environment, the purchase and maintenance cost of each set of device is higher, and meanwhile, the underground local area is inconvenient to install is solved.

Description

Underground double-channel air door locking device

Technical Field

The utility model relates to the technical field of underground ventilation safety, in particular to an underground double-channel air door locking device.

Background

The mine ventilation system is stable and reliable, is a basic guarantee of underground production safety, and is used for preventing short circuit of air flow, improving the effective air volume rate of a mine and guaranteeing the production safety of the mine, and two air doors are generally required to be arranged in a key area for air volume control, so that the air doors belong to underground important ventilation safety facilities, and in the daily management process, the two air doors are required to be prevented from being opened simultaneously, and the stability and reliability of the ventilation system are also ensured under the condition that personnel and equipment in a roadway are ensured to normally pass.

The existing double-channel air door locking device on the market generally adopts a sensor and an electric control hydraulic mechanism to control an air door, the failure rate is higher in a complex underground operation environment, the purchase and maintenance cost of each set of device is higher, and meanwhile, the underground local area is inconvenient to install.

Therefore, there is a need to provide a new downhole dual damper locking device that solves the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a downhole double-channel air door locking device, which solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two air door blocking device in pit, includes wall body and stand, still includes: the guide pipe is arranged at one side of the upright post, and the outer side of the guide pipe is provided with a mounting piece; the steel wire rope is arranged in the guide tube, a reset spring is arranged in the guide tube, and limiting pieces are arranged at two ends of the reset spring; the guide piece is arranged on one side of the wall body, and a first air door and a second air door are respectively arranged in the wall body.

Preferably, the mounting member includes a support block fixed to the upright, and a fixing sleeve fixed to the outside of the guide tube.

Preferably, the mounting piece further comprises a mounting block fixed on one side of the fixing sleeve and a bolt for mounting and fixing the mounting block and the supporting block.

Preferably, the limiting piece comprises limiting blocks fixed at two ends of the reset spring and limiting cylinders fixed at one side of the limiting blocks.

Preferably, the limiting piece further comprises a limiting sleeve fixed on the inner wall of the guide tube and a through hole formed in the limiting sleeve.

Preferably, the guide member includes a fixing ring for fixing one end of the wire rope.

Preferably, the guide member further comprises a fixing plate installed at one side of the wall body, and a connection block fixed at one side of the fixing plate.

Preferably, the guide member further comprises a rotating rod arranged inside the connecting block, and a guide wheel for guiding the steel wire rope.

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

According to the utility model, the reset spring and the steel wire rope can be used for controlling the air door to be automatically closed after being opened, and the limiting piece is arranged to prevent the reset spring from being excessively stretched, so that the two air doors can not be opened at the same time, the steel wire rope can be guided by arranging the guide piece, the abrasion of the steel wire rope is reduced, and the service life of the device is prolonged.

Drawings

FIG. 1 is a schematic diagram of a dual-track damper lock apparatus according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a mounting member according to the present utility model;

FIG. 3 is a schematic view of the guide member of the present utility model;

FIG. 4 is a schematic view of the structure of the inside of the guide tube according to the present utility model;

Fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

In the figure: 1. a wall body; 2. a column; 3. a guide tube; 4. a mounting member; 41. a support block; 42. a fixed sleeve; 43. a mounting block; 44. a bolt; 5. a wire rope; 6. a return spring; 7. a limiting piece; 71. a limiting block; 72. a limiting cylinder; 73. a limit sleeve; 74. a through hole; 8. a guide member; 81. a fixing ring; 82. a fixing plate; 83. a connecting block; 84. a rotating rod; 85. a guide wheel; 9. a first damper; 10. and a second damper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a downhole double-channel air door locking device includes a wall 1 and a column 2, and further includes: the guide pipe 3 is arranged at one side of the upright post 2, and the mounting piece 4 is arranged at the outer side of the guide pipe 3; the steel wire rope 5 is arranged in the guide tube 3, the reset spring 6 is arranged in the guide tube 3, and the limiting pieces 7 are arranged at two ends of the reset spring 6; the guide piece 8 is arranged on one side of the wall body 1, and a first air door 9 and a second air door 10 are respectively arranged in the wall body 1.

Referring to fig. 2, the mounting member 4 includes a support block 41 fixed to the upright 2, and a fixing sleeve 42 fixed to the outside of the guide tube 3; the mounting member 4 further includes a mounting block 43 fixed to one side of the fixing sleeve 42, and a bolt 44 for mounting and fixing the mounting block 43 and the supporting block 41; the stand 2 is provided with two sets of, carries out the supporting shoe 41 through bolt 44 to the installation piece 43 and installs guide tube 3 in stand 2 one side, supports guide tube 3, improves the stability of guide tube 3.

Referring to fig. 4 and 5, the stopper 7 includes stoppers 71 fixed to both ends of the return spring 6, and a stopper cylinder 72 fixed to one side of the stoppers 71; the limiting piece 7 further comprises a limiting sleeve 73 fixed on the inner wall of the guide tube 3 and a through hole 74 formed in the limiting sleeve 73; the two ends of the reset spring 6 are fixedly connected with limiting blocks 71, one end of the steel wire rope 5 is fixed with the other side of the limiting blocks 71, the limiting blocks 71 are in sliding connection with the inside of the guide tube 3, the outer side of the limiting cylinder 72 is in sliding connection with the inner wall of the through hole 74, a group of limiting blocks 71 can be driven to move by pulling the steel wire rope 5 to stretch the reset spring 6, the limiting sleeve 73 slides in the through hole 74, the limiting blocks 71 limit the reset spring 6, and the reset spring 6 is not excessively stretched, so that two air doors cannot be opened simultaneously.

Referring to fig. 3, the guide 8 includes a fixing ring 81 for fixing one end of the wire rope 5; the guide 8 further includes a fixing plate 82 installed at one side of the wall body 1, and a connection block 83 fixed at one side of the fixing plate 82; the guide 8 further includes a rotating rod 84 provided inside the connection block 83, and a guide wheel 85 guiding the wire rope 5; the other end of wire rope 5 is fixed with solid fixed ring 81, gu fixed ring 81 installs in the middle part of first air door 9 and second air door 10, and a set of wire rope 5 passes wall body 1 outside second air door 10, drives leading wheel 85 and bull stick 84 rotation when wire rope 5 pulling, leads wire rope 5, reduces wire rope 5 wearing and tearing, improves this device life.

Working principle: when the device is used, the mounting block 43 is fixedly mounted through the bolt 44, the guide tube 3 is mounted on one side of the upright post 2, the guide tube 3 is supported, the stability of the guide tube 3 is improved, when an air door needs to be opened, the air door is pulled to drive the fixing ring 81 to move, the steel wire rope 5 is moved, the steel wire rope 5 is pulled to drive the guide wheel 85 and the rotating rod 84 to rotate, the steel wire rope 5 is guided, the abrasion of the steel wire rope 5 is reduced, the service life of the device is prolonged, the steel wire rope 5 is pulled to move and can drive one group of limiting blocks 71 to move, the reset spring 6 is stretched, the other group of limiting blocks 71 are pulled to tighten the other group of steel wire ropes 5, the other group of air doors cannot be opened, the limiting blocks 71 move the limiting sleeve 73 to slide in the through holes 74, the limiting blocks 71 limit the reset spring 6, the reset spring 6 cannot be excessively stretched, the two air doors cannot be simultaneously opened, the reset spring 6 is reset, the limiting blocks 71 and the steel wire rope 5 are pulled to be reset, the two air doors are automatically closed, and the reset spring 6 is slightly stretched when the two air doors are simultaneously closed, so that the air doors are tightly closed.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 two air door blocking device in pit, includes wall body (1) and stand (2), its characterized in that: further comprises:

The guide pipe (3) is arranged at one side of the upright post (2), and a mounting piece (4) is arranged at the outer side of the guide pipe (3);

The steel wire rope (5) is arranged in the guide pipe (3), a return spring (6) is arranged in the guide pipe (3), and limiting pieces (7) are arranged at two ends of the return spring (6);

The guide piece (8) is arranged on one side of the wall body (1), and a first air door (9) and a second air door (10) are respectively arranged in the wall body (1).

2. The downhole dual damper lockout device of claim 1, wherein: the mounting piece (4) comprises a supporting block (41) fixed on the upright post (2) and a fixing sleeve (42) fixed on the outer side of the guide tube (3).

3. A downhole dual damper lockout device according to claim 2, wherein: the mounting piece (4) further comprises a mounting block (43) fixed on one side of the fixing sleeve (42), and a bolt (44) for mounting and fixing the mounting block (43) and the supporting block (41).

4. The downhole dual damper lockout device of claim 1, wherein: the limiting piece (7) comprises limiting blocks (71) fixed at two ends of the reset spring (6) and limiting cylinders (72) fixed at one side of the limiting blocks (71).

5. The downhole dual damper lockout device of claim 4, wherein: the limiting piece (7) further comprises a limiting sleeve (73) fixed on the inner wall of the guide tube (3), and a through hole (74) formed in the limiting sleeve (73).

6. The downhole dual damper lockout device of claim 1, wherein: the guide member (8) comprises a fixing ring (81) for fixing one end of the steel wire rope (5).

7. The downhole dual damper lockout device of claim 6, wherein: the guide piece (8) further comprises a fixing plate (82) arranged on one side of the wall body (1), and a connecting block (83) fixed on one side of the fixing plate (82).

8. The downhole dual damper lockout device of claim 7, wherein: the guide member (8) further comprises a rotating rod (84) arranged inside the connecting block (83), and a guide wheel (85) for guiding the steel wire rope (5).