CN216553450U

CN216553450U - Anti-wind locking mechanism for blast well explosion-proof door

Info

Publication number: CN216553450U
Application number: CN202122816396.5U
Authority: CN
Inventors: 李宏业; 高俊强; 刘强; 薛超宏; 王鹏
Original assignee: Novenke Intelligent Ventilation Research Institute Xi'an Co ltd
Current assignee: Novenke Intelligent Ventilation Research Institute Xi'an Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-17
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the technical field of blast-shaft explosion-proof doors, in particular to a counter-wind locking mechanism for a blast-shaft explosion-proof door, which comprises a door frame, a propelling bin, a door body, a driving bin, a bolt, a first piston, a through hole and a second piston, wherein the door body is arranged in the door frame, the driving bin is embedded and installed on one side surface of the door body, the propelling bins distributed in a rectangular array are embedded and installed in the door body, the first pistons are installed in the propelling bins in a sliding mode, the bolt is arranged on one side surface of the first piston, a communicating pipe is connected between the driving bin and the propelling bin, the second piston is installed in the driving bin in a sliding mode, a screw hole is formed in one end surface of the driving bin, and a screw rod penetrating through the screw hole is arranged on one side surface of the second piston. According to the utility model, the driving bin and the pushing bin are arranged in the door body, so that the flexible embedding of the plug pin and the jack can be realized, and the locking between the door body and the door frame is more stable.

Description

Anti-wind locking mechanism for blast well explosion-proof door

Technical Field

The utility model relates to the technical field of air shaft explosion doors, in particular to a counter-wind locking mechanism for an air shaft explosion door.

Background

The blast shaft explosion-proof door is an important safety facility in mining, can ensure normal air supply underground, ensure the normal breathing requirement of underground operating personnel, and in case of gas and coal dust explosion accidents underground, the explosion shock wave rapidly lifts the explosion-proof door to release pressure, thereby preventing the explosion blast from destroying the main fan of a mine, so that a mine ventilation system can be rapidly recovered after the mine explosion accidents, and the rescue and relief of the mine are facilitated.

Through massive search, the prior art is found, and the publication number is as follows: CN204386636U discloses a mine vertical air shaft blast-proof door counter-wind locking device, which comprises a plurality of electric push rods and a plurality of pressing blocks, wherein the electric push rods and the pressing blocks are uniformly distributed on the vertical air shaft well wall at the edge of a blast-proof door body; the electric push rod is fixedly connected with the vertical air shaft wall, and the pressing block rotates around the embedded bolt; the electric push rod is provided with an access port of a programmable logic controller and a limit switch for controlling the moving position of the push rod; a crank is fixed on the upper surface of the pressing block; the front end of the push rod is movably connected with the free end of the crank. The push rod through electric putter drives crank rotation, realizes the quick straining of compact heap or moves back from the explosion-proof door body, and the indoor remote monitoring of accessible has reduced manual operation's intensity, has avoided the influence of factors such as weather or night illumination not enough, has eliminated the potential safety hazard, has improved the security of mine ventilation. The device has simple structure, high reliability and convenient operation, and can meet the ventilation safety requirement of a mine.

In summary, the existing blast-shaft explosion vent is usually configured with a counter-wind locking mechanism, most of the traditional counter-wind locking mechanisms need manual intervention to operate, in the locking process, the bearing force borne by the existing locking mechanism is small, the mechanical strength cannot meet the requirement of actual use, the actual operation is complex, and the rapid counter-wind locking measure is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a counter-wind locking mechanism for an air shaft explosion-proof door, which solves the technical problems.

The scheme for solving the technical problems is as follows: the utility model provides an explosion-proof door of air shaft is with anti-wind locking mechanism, includes door frame, propulsion storehouse, the door body, drive storehouse, bolt, first piston, through-hole and second piston, the inside door body that is provided with of door frame, the drive storehouse is installed in the embedding of door body side surface, the inside embedding of the door body is installed and is the propulsion storehouse that the rectangle array distributes, the inside equal slidable mounting in propulsion storehouse has first piston, it has run through to advance a storehouse side surface the through-hole at door body edge, first piston side surface is provided with and runs through the bolt of through-hole, drive storehouse with all be connected with communicating pipe between the propulsion storehouse, the inside slidable mounting in drive storehouse has the second piston, the drive storehouse deviates from the screw has been seted up on door body one end surface, second piston side surface is provided with and runs through the screw rod of screw.

The utility model has the beneficial effects that: according to the utility model, by arranging the driving bin and the pushing bin, when a worker manually rotates the hand wheel, the second piston can be driven to move in the driving bin, hydraulic oil in the driving bin can be extruded into the pushing bin through the communicating pipe, so that the first piston is driven to move in the pushing bin, the bolt and the jack can be driven to be flexibly inserted and separated, after the bolt is embedded with the jack, the counter-wind locking between the door body and the door frame can be realized, after the bolt is separated from the jack, the door body and the door frame can be flexibly rotated, the door body is opened, normal ventilation is ensured, the actual operation is simpler, the bolt locks the door body and the two sides of the door frame, the locking mechanical strength between the door body and the door frame can be effectively improved, and the actual use effect is better.

On the basis of the technical scheme, the utility model can be further improved as follows.

Furthermore, hydraulic oil is injected into the propelling bin, the driving bin and the communicating pipe.

The beneficial effect of adopting the further scheme is that: the space between the driving bin and the propelling bin as well as the communicating pipe can be filled with hydraulic oil, so that the mutual movement of the first piston and the second piston is facilitated.

Furthermore, the inner walls of the two sides of the door frame are provided with jacks matched with the bolts.

The beneficial effect of adopting the further scheme is that: the bolt can be embedded with the jack, thereby realizing the counter-wind locking between the door body and the door frame.

Further, linear bearings are arranged between the inner wall of the through hole and the surface of the bolt.

The beneficial effect of adopting the further scheme is that: the linear bearing can ensure the flexible movement of the bolt and reduce the mechanical abrasion of the bolt.

Furthermore, hinges which are distributed at equal intervals are connected between one side of the door frame and the surface of one side of the door body.

The beneficial effect of adopting the further scheme is that: the hinge can be convenient for rotate between the door body and the door frame, and is convenient for open and close the door body.

Furthermore, the screw rod runs through screw hole one end welding has the hand wheel.

The beneficial effect of adopting the further scheme is that: the hand wheel can be convenient for the staff to drive the screw rod and rotate.

Further, the outer walls of the first piston and the second piston are respectively provided with a sealing ring in an embedded mode.

The beneficial effect of adopting the further scheme is that: the sealing ring can ensure the sealing performance of the first piston and the second piston, and the problem of hydraulic oil leakage is avoided.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a main sectional structural schematic view of a back wind locking mechanism for an explosion-proof door of an air shaft according to an embodiment of the present invention;

fig. 2 is an external structural schematic view of a back-wind locking mechanism for an anti-explosion door of an air shaft according to an embodiment of the present invention;

fig. 3 is a schematic sectional enlarged structural view of a propulsion chamber of a counter-wind locking mechanism for an explosion-proof door of an air shaft according to an embodiment of the present invention;

fig. 4 is a schematic side sectional structural view of a driving cabin of a counter-wind locking mechanism for an explosion-proof door of an air shaft according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a door frame; 2. propelling the bin; 3. a door body; 4. a driving bin; 5. a communicating pipe; 6. a bolt; 7. a jack; 8. a first piston; 9. a hand wheel; 10. a hinge; 11. a linear bearing; 12. a through hole; 13. a seal ring; 14. a screw; 15. a second piston; 16. and a screw hole.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, which are provided by way of example only to illustrate the present invention and not to limit the scope of the present invention. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, the utility model provides a counter-wind locking mechanism for an explosion-proof door of an air shaft, which comprises a door frame 1, a pushing bin 2, a door body 3, a driving bin 4, bolts 6, a first piston 8, through holes 12 and a second piston 15, wherein the door body 3 is arranged inside the door frame 1, the driving bin 4 is embedded and installed on one side surface of the door body 3, the pushing bins 2 distributed in a rectangular array are embedded and installed inside the door body 3, the first pistons 8 are all slidably installed inside the pushing bins 2, the through holes 12 penetrating through the edges of the door body 3 are formed on one side surface of each pushing bin 2, the bolts 6 penetrating through the through holes 12 are arranged on one side surface of the first piston 8, the communicating pipes 5 are connected between the driving bin 4 and the pushing bins 2, the second piston 15 is slidably installed inside the driving bin 4, the screw hole 16 is formed on the surface of one end of the driving bin 4, which is far away from the door body 3, the screw 14 penetrating through the screw hole 16 is arranged on one side surface of the second piston 15, after the door body 3 is closed, but staff hand wheel 9 of manual rotation, can drive second piston 15 and remove in drive storehouse 4, can extrude the hydraulic oil in the drive storehouse 4 to the propulsion storehouse 2 in through communicating pipe 5, thereby drive first piston 8 and remove in propulsion storehouse 2, can drive bolt 6 and jack 7 and carry out nimble grafting and break away from, after bolt 6 and jack 7 gomphosis, can realize the lock of anti-wind between the door body 3 and the door frame 1, after bolt 6 and jack 7 break away from, can rotate between the door body 3 and the door frame 1 in a flexible way, open the door body 3, ensure normal ventilation, the actual operation is simpler, and bolt 6 locks between the door body 3 and the door frame 1 both sides, can effectively improve the locking mechanical strength between the door body 3 and the door frame 1, the actual use effect is better.

Preferably, the propelling bin 2, the driving bin 4 and the communicating pipe 5 are internally filled with hydraulic oil, and the driving bin 4, the propelling bin 2 and the communicating pipe 5 can be filled with the hydraulic oil, so that the mutual movement of the first piston 8 and the second piston 15 is facilitated.

Preferably, the inner walls of the two sides of the door frame 1 are provided with jacks 7 matched with the bolts 6, and the bolts 6 can be embedded with the jacks 7, so that the counter-wind locking between the door body 3 and the door frame 1 is realized.

Preferably, linear bearings 11 are arranged between the inner wall of the through hole 12 and the surface of the bolt 6, and the linear bearings 11 can ensure the flexible movement of the bolt 6 and reduce the mechanical abrasion of the bolt 6.

Preferably, hinges 10 which are distributed at equal intervals are connected between one side of the door frame 1 and one side surface of the door body 3, and the hinges 10 can facilitate the rotation between the door body 3 and the door frame 1 and facilitate the opening and closing of the door body 3.

Preferably, the screw 14 penetrates through the screw hole 16, and one end of the screw is welded with the hand wheel 9, and the hand wheel 9 can be convenient for a worker to drive the screw 14 to rotate.

Preferably, the sealing rings 13 are embedded in the outer walls of the first piston 8 and the second piston 15, and the sealing rings 13 can ensure the sealing performance of the first piston 8 and the second piston 15, so that the problem of hydraulic oil leakage is avoided.

The specific working principle and the using method of the utility model are as follows: after the door body 3 is closed, but staff hand wheel 9 of manual rotation, can drive second piston 15 and remove in drive storehouse 4, can extrude the hydraulic oil in the drive storehouse 4 to the propulsion storehouse 2 in through communicating pipe 5, thereby drive first piston 8 and remove in propulsion storehouse 2, can drive bolt 6 and jack 7 and carry out nimble grafting and break away from, after bolt 6 and jack 7 gomphosis, can realize the lock of anti-wind between the door body 3 and the door frame 1, after bolt 6 and jack 7 break away from, can rotate between the door body 3 and the door frame 1 in a flexible way, open the door body 3, ensure normal ventilation, the actual operation is simpler, and bolt 6 locks between the door body 3 and the door frame 1 both sides, can effectively improve the locking mechanical strength between the door body 3 and the door frame 1, the actual use effect is better.

The foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the utility model in any way; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a blast shaft explosion-proof is with anti-wind locking mechanism which characterized in that: the door comprises a door frame (1), a propelling bin (2), a door body (3), a driving bin (4), a bolt (6), a first piston (8), a through hole (12) and a second piston (15), wherein the door body (3) is arranged in the door frame (1), the driving bin (4) is installed on one side surface of the door body (3) in an embedded manner, the propelling bin (2) which is distributed in a rectangular array manner is installed in the door body (3) in an embedded manner, the first piston (8) is installed in the propelling bin (2) in an equal sliding manner, the through hole (12) which penetrates through the edge of the door body (3) is formed in one side surface of the propelling bin (2), the bolt (6) which penetrates through the through hole (12) is arranged on one side surface of the first piston (8), the communicating pipe (5) is connected between the driving bin (4) and the propelling bin (2), the second piston (15) is installed in the driving bin (4) in an internal sliding manner, screw holes (16) are formed in the surface of one end, away from the door body (3), of the driving bin (4), and a screw rod (14) penetrating through the screw holes (16) is arranged on the surface of one side of the second piston (15).

2. The counter-wind locking mechanism for the blast-shaft explosion-proof door according to claim 1, characterized in that: the propulsion bin (2), the driving bin (4) and the communicating pipe (5) are filled with hydraulic oil.

3. The counter-wind locking mechanism for the blast-shaft explosion-proof door according to claim 1, characterized in that: the inner walls of the two sides of the door frame (1) are provided with jacks (7) matched with the bolts (6).

4. The counter-wind locking mechanism for the blast-shaft explosion-proof door according to claim 1, characterized in that: and linear bearings (11) are arranged between the inner wall of the through hole (12) and the surface of the bolt (6).

5. The counter-wind locking mechanism for the blast-shaft explosion-proof door according to claim 1, characterized in that: hinges (10) which are distributed at equal intervals are connected between one side of the door frame (1) and one side surface of the door body (3).

6. The counter-wind locking mechanism for the blast-shaft explosion-proof door according to claim 1, characterized in that: the screw (14) penetrates through one end of the screw hole (16) and is welded with a hand wheel (9).

7. The counter-wind locking mechanism for the blast-shaft explosion-proof door according to claim 1, characterized in that: and sealing rings (13) are embedded in the outer walls of the first piston (8) and the second piston (15).