CN215057526U

CN215057526U - Linkage locking device of mining air door

Info

Publication number: CN215057526U
Application number: CN202121871696.7U
Authority: CN
Inventors: 廖威; 周胜海; 廖志超
Original assignee: Hubei Xianning Yongtai Coal Mine Machinery Co ltd
Current assignee: Hubei Xianning Yongtai Coal Mine Machinery Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2021-12-07
Anticipated expiration: 2031-08-11

Abstract

The utility model relates to the technical field of mining air doors, in particular to a linkage locking device of a mining air door, which comprises a first air door and a second air door, wherein the upper ends of one sides of the first air door and the second air door, which are close to each other, are respectively provided with two fixed plates, the two fixed plates are internally and rotatably connected with rotating blocks, one sides of the two rotating blocks, which are close to each other, are respectively connected with a sliding rod and a sleeve through a connecting flange, the left center inside the sleeve is provided with a built-in sliding chute which is in sliding connection with the sliding rod, the left center inside the sliding rod is provided with a groove which transversely penetrates through the sliding rod and the sleeve, the design of a steel cable wire is matched with the sliding rod and the sleeve for use, and the linkage between the first air door and the second air door can be formed, so that when the first air door or the second air door is opened, the second air door or the first air door is necessarily in a closed state, thereby satisfying the use requirements of the mining air door, reducing the possibility of wind channeling between mine tunnels.

Description

Linkage locking device of mining air door

Technical Field

The utility model relates to a mining air door technical field specifically is a linkage locking device of mining air door.

Background

In the mine, the air door is used for adjusting underground air pressure and can be divided into a permanent air door, a temporary air door and an air adjusting door with an air adjusting window for adjusting air volume according to purposes. The air door does not allow two air doors to be opened simultaneously in the using process, namely when one air door is opened, the other air door is in a closed state, so that a connecting structure is needed between the two air doors to be used for linking the opening and closing of the two air doors, however, the linkage locking structure inside the air door in the prior art is poor in connection between the two air doors in the using process, the structure is complex, the using requirement cannot be well met, and therefore the linkage locking device for the mining air door is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a linkage locking device of mining air door possesses simple structure, and the connectivity between the air door advantage such as stronger has solved current device structure complicacy, and to the relatively poor problem of connectivity between the air door.

The utility model discloses a linkage locking device of mining air door, including an air door and No. two air doors, the upper end that an air door and No. two air doors are close to one side of each other all is equipped with two fixed plates, and the inside of two sets of fixed plates all rotates and is connected with the turning block, two one side that the turning block is close to each other is connected with slide bar and sleeve through flange respectively, the built-in spout with slide bar sliding connection is seted up to the inside left central authorities of sleeve, the inside left central authorities of slide bar have been seted up and have transversely run through slide bar and telescopic recess, and the recess internal connection of slide bar has the cable wire.

Through the design of above-mentioned technical scheme, the design of cable wire, collocation slide bar and sleeve use, can form the linkage between an air door and No. two air doors for when an air door or No. two air doors are opened, No. two air doors or an air door must be in the closed condition, thereby satisfy mining air door's user demand, reduce the possibility that takes place to scurry the wind between the mine road.

As a further improvement, the H type recess of vertical setting is seted up to central authorities of No. one air door right side upper end, and the inside sliding connection of H type recess has the front view also to be the slider of H type, No. two central authorities of air door left side upper end are seted up flutedly, and the recess of No. two air doors is inside to have the connecting plate through bolt threaded connection.

As a further improvement, the sliding structure of the slider is composed of a spring telescopic rod, a top plate and a roller, the right end of the spring telescopic rod is connected with the left center of the top plate, and the upper and lower ends on the right side of the top plate are connected with the roller in a rotating manner.

Through the design of the technical scheme, the sliding structure of the sliding block can reduce the friction force between the sliding block and the H-shaped groove of the air door, so that the sliding block can slide in the H-shaped groove of the air door conveniently, the abrasion between the sliding block and the air door is reduced, and the service life of the air door and the sliding block is prolonged.

As the utility model discloses a further improvement, the block recess has all been seted up in the upper and lower both sides that the left side of No. two air doors just was located the connecting plate, and one side that two block recess inner walls kept away from each other all is connected with reset spring, two one side that reset spring is close to each other all is connected with the push-and-pull board, and one side that two push-and-pull boards are close to each other all is connected with the block pole with connecting plate looks block.

Through the design of above-mentioned technical scheme, the design of block pole, collocation push-and-pull plate and reset spring use, can strengthen being connected between connecting plate and No. two air doors for the connecting plate also can keep certain being connected with No. two air doors under the not hard up condition takes place for the bolt of connecting plate, and the staff of being convenient for in time fastens the processing to the bolt of connecting plate, reduces the possibility that the connection between No. two air doors and the air door takes place to become flexible.

As a further improvement, the right-hand member of slide bar is connected with the limiting plate with built-in spout looks block, and limiting plate and built-in spout sliding connection.

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

the utility model has the advantages of simple and compact structure, the connectivity between air door and the air door is stronger, can satisfy the user demand better, the design of cable wire, collocation slide bar and sleeve use, can be to forming the linkage between an air door and No. two air doors, when making an air door or No. two air doors open, No. two air doors or an air door must be in the closed condition, thereby satisfy the user demand of mining air door, reduce the possibility that the wind was scurried in taking place between the ore way, the design of block pole, collocation push-and-pull plate and reset spring use, can strengthen being connected between connecting plate and No. two air doors, make the connecting plate also can keep certain being connected with No. two air doors under the condition that the bolt takes place to become flexible, the staff of being convenient for in time fastens the bolt of connecting plate and handles, reduce the possibility that the connection between No. two air doors and the air door takes place to become flexible.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front section structure of the connection between the second damper and the sleeve of the present invention;

fig. 3 is a front view schematic diagram of the sliding structure of the sliding block of the present invention.

In the figure: 1. a first air door; 2. a slide bar; 3. a slider; 4. a fixing plate; 5. a sleeve; 6. a chute is arranged inside; 7. a limiting plate; 8. a connecting flange; 9. rotating the block; 10. a connecting plate; 11. a steel cord; 12. a second air door; 13. a clamping rod; 14. a push-pull plate; 15. a return spring; 16. clamping the groove; 17. a spring telescopic rod; 18. a roller; 19. a top plate.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the linkage locking device for the mining air door of the present invention comprises a first air door 1 and a second air door 12, two fixing plates 4 are respectively disposed at the upper ends of the sides of the first air door 1 and the second air door 12 close to each other, two sets of fixing plates 4 are rotatably connected to the insides of the two sets of fixing plates 4, one sides of the two rotating blocks 9 close to each other are respectively connected to a slide bar 2 and a sleeve 5 through a connecting flange 8, a built-in sliding slot 6 slidably connected to the slide bar 2 is disposed at the left center inside the sleeve 5, a groove transversely penetrating the slide bar 2 and the sleeve 5 is disposed at the left center inside the slide bar 2, a steel cable 11 is connected to the inside of the groove of the slide bar 2, the design of the steel cable 11 is matched with the slide bar 2 and the sleeve 5, linkage can be formed between the first air door 1 and the second air door 12, so that when the first air door 1 or the second air door 12 is opened, the second air door 12 or the first air door 1 is necessarily in a closed state, thereby satisfy the user demand of mining air door, reduce the possibility that takes place to scurry the wind between the ore road, the right-hand member of slide bar 2 is connected with the limiting plate 7 with built-in spout 6 looks block, and limiting plate 7 and built-in spout 6 sliding connection.

Referring to fig. 1 and 3, a longitudinally arranged H-shaped groove is formed in the center of the upper end of the right side of the first air door 1, a sliding block 3 which is also H-shaped in front view is slidably connected inside the H-shaped groove, a groove is formed in the center of the upper end of the left side of the second air door 12, a connecting plate 10 is connected inside the groove of the second air door 12 through a bolt and a thread, one side of the sliding block 3, which is close to the connecting plate 10, is respectively connected with one side of two groups of fixing plates 4, which is far away from the other side, the upper end and the lower end of the right side of the sliding block 3 are respectively provided with a sliding structure, the right sides of the two sliding structures are respectively attached to the upper end and the lower end of the right side of the inner wall of the H-shaped groove of the first air door 1, the sliding structure of the sliding block 3 is composed of a spring telescopic rod 17, a top plate 19 and rollers 18, the right end of the spring telescopic rod 17 is connected with the center of the left side of the top plate 19, and the upper end and the lower end of the right side of the roller 18 are rotatably connected with the rollers 18, the sliding structure of slider 3 can be to the frictional force between the H type recess that reduces slider 3 and air door 1 to be convenient for slider 3 slides in the H type recess of air door 1 is inside, reduces the wearing and tearing between slider 3 and the air door 1, has prolonged the life of air door 1 and slider 3.

Referring to fig. 2, the left side of the second air door 12 and the upper and lower sides of the connecting plate 10 are both provided with a clamping groove 16, one side of the inner wall of each clamping groove 16, which is far away from each other, is connected with a return spring 15, one side of each return spring 15, which is close to each other, is connected with a push-pull plate 14, one side of each push-pull plate 14, which is close to each other, is connected with a clamping rod 13 clamped with the connecting plate 10, and the design of the clamping rod 13, which is used in cooperation with the push-pull plate 14 and the return spring 15, can enhance the connection between the connecting plate 10 and the second air door 12, so that the connecting plate 10 can be connected with the second air door 12 to a certain extent under the condition that a bolt is loosened, a worker can fasten the bolt of the connecting plate 10 in time, and the possibility that the connection between the second air door 12 and the first air door 1 is loosened is reduced.

When using the utility model discloses the time: when the first air door 1 is opened, the sliding block 3 can stretch the sliding rod 2 and the steel cable 11 leftwards, so that the steel cable 11 is in a stretched state, and at the moment, the steel cable 11 can stretch the second air door 12 leftwards, so that the second air door 12 is prevented from being opened;

when the second air door 12 is opened, the connecting plate 10 pulls the sleeve 5 and the steel cable 11 rightwards, and the steel cable 11 is also pulled to be in a stretched straight state, so that the first air door 1 is pulled rightwards, and the possibility of opening the first air door 1 is reduced;

when the bolt that is used for being connected takes place not hard up between connecting plate 10 and No. two air doors 12, block pole 13 can make connecting plate 10 and No. two air doors 12 keep being connected to reduce connecting plate 10 and No. two air doors 12 and take place not hard up possibility, and then avoid influencing the normal connection between air door 1 and No. two air doors 12.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a linkage locking device of mining air door, includes air door (1) and No. two air doors (12), its characterized in that: no. one air door (1) and No. two air doors (12) are close to the upper end of one side each other and all are equipped with two fixed plates (4), and the inside of two sets of fixed plates (4) is all rotated and is connected with turning block (9), two one side that turning block (9) are close to each other is connected with slide bar (2) and sleeve (5) through flange (8) respectively, sleeve (5) inside left central authorities offer with slide bar (2) sliding connection's built-in spout (6), the recess that transversely runs through slide bar (2) and sleeve (5) is seted up to the inside left central authorities of slide bar (2), and the recess internal connection of slide bar (2) has cable wire (11).

2. The linkage locking device of the mining air door according to claim 1, characterized in that: a vertically-arranged H-shaped groove is formed in the center of the upper end of the right side of the first air door (1), a sliding block (3) with an H-shaped front view is connected to the inside of the H-shaped groove in a sliding mode, a groove is formed in the center of the upper end of the left side of the second air door (12), and a connecting plate (10) is connected to the inside of the groove of the second air door (12) through bolt threads.

3. The linkage locking device of the mining air door according to claim 2, characterized in that: slider (3) and connecting plate (10) one side that is close to each other is connected with one side that two sets of fixed plates (4) kept away from each other respectively, the upper and lower both ends on slider (3) right side all are equipped with sliding structure, and two sliding structure's right side all laminate mutually with the upper and lower both ends on H type recess inner wall right side of an air door (1).

4. The linkage locking device of the mining air door according to claim 2, characterized in that: the sliding structure of the sliding block (3) is composed of a spring telescopic rod (17), a top plate (19) and a roller (18), the right end of the spring telescopic rod (17) is connected with the center of the left side of the top plate (19), and the upper end and the lower end of the right side of the top plate (19) are rotatably connected with the roller (18).

5. The linkage locking device of the mining air door according to claim 1, characterized in that: the left side of No. two air doors (12) and the upper and lower both sides that are located connecting plate (10) have all been seted up block recess (16), and one side that two block recess (16) inner walls kept away from each other all is connected with reset spring (15), two one side that reset spring (15) are close to each other all is connected with push-and-pull plate (14), and one side that two push-and-pull plate (14) are close to each other all is connected with block pole (13) with connecting plate (10) looks block.

6. The linkage locking device of the mining air door according to claim 1, characterized in that: the right end of the sliding rod (2) is connected with a limiting plate (7) clamped with the built-in sliding groove (6), and the limiting plate (7) is connected with the built-in sliding groove (6) in a sliding mode.