CN217481332U

CN217481332U - Improved pre-opening pressure-relief explosion-proof door

Info

Publication number: CN217481332U
Application number: CN202221713060.4U
Authority: CN
Inventors: 陈祥瑞
Original assignee: Jiangsu A Promise Measurement And Control Technology Co ltd
Current assignee: Jiangsu A Promise Measurement And Control Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-09-23
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses an improved generation is opened pressure release explosion vent in advance, including the mine, the centre of mine is provided with the well groove, and the explosion vent is installed on the top of well groove, and the bottom mounting of explosion vent has the sealing ring. The utility model discloses when the mine explodes, the shock wave upwards strikes first backup pad, and first support drives the second backup pad upwards for pop out groove subtend locating lever, the spring is popped out, makes the locating lever pop out from the locating hole, and simultaneously, extension spring pulling explosion vent is upwards, opens the well groove, reserves the pressure release export of department, reduces the explosion and strikes. The mine is inside to explode, and the shock wave strikes first backup pad earlier, and first backup pad blocks and weakens the part and strikes, reduces the shock wave to the impact of explosion vent, and the explosion vent leans against the roof through guide bar and extension spring, and has certain buffering between the roof, reduces the impact damage that the explosion vent received.

Description

Improved pre-opening pressure-relief explosion-proof door

Technical Field

The utility model relates to an explosion vent technical field specifically is an improved generation opens pressure release explosion vent in advance.

Background

The explosion vent is an explosion-proof protective device which is used for resisting accidental explosion of devices outside an industrial building, ensuring the life safety of personnel and the integrity of internal equipment of the industrial building, is not damaged by explosion shock waves and effectively preventing the continuation of explosion hazards.

At home and abroad, more formed coal mine air shaft pressure relief explosion-proof door products mainly comprise a door window type product and a covering type product. Part of the products or the schemes in the process can realize self-reset, but most of the products need manual reset.

When the cover type explosion-proof door is in a normal state, the door body covers the pressure relief well mouth and ensures sealing, and when the explosion occurs in the well, the cover door body is opened under the pulling of a heavy hammer to realize pressure relief and explosion prevention; the door window type explosion-proof door adopts a left side and right side opening door body; under a normal state, the door body is closed to ensure sealing; when the explosion in the well, the door body is opened rapidly, and the pressure relief and explosion prevention are realized.

The invention patent CN202011002445.5(CN112096444A) provides a self-recovery type inclined shaft pressure relief explosion-proof device and a method for coal mine safety production, the device adopts a clamping structure, under the condition of normal production, a fan draws air outwards, negative pressure exists around a door body in a well, and an explosion-proof door is closed to ensure that the fan pushes air in the well to circulate; when explosion occurs in the well, the explosion door is quickly opened to protect the fan and release the pressure and the explosion; after pressure relief and explosion relief are finished, the explosion-proof door is quickly closed, and the fan is ensured to work effectively; when the wind is reversed, the fan blows inwards, and positive pressure exists around the door body in the well. But the device (structure) is only suitable for strictly closing and sealing the door body, ensures the effective work of the fan and cannot effectively release and open and close the explosion door.

The improved pressure relief explosion door capable of being opened in advance is opened in advance in the prior art, when the explosion door explodes inside a mine and shock waves impact the explosion door to the near side, the explosion door is inconvenient to open in advance, a well slot of the mine is opened, pressure relief is carried out, explosion impact is reduced, and the explosion shock waves have certain impact collision on the explosion door, so that the front-mounted interception can not be carried out, and the buffer can not be reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation is opened pressure release explosion vent in advance to solve the explosion vent and explode and the shock wave in that the mine is inside strikes when following, inconvenient opening in advance, open the mine shaft well groove, carry out the pressure release, reduce the problem that the explosion is strikeed.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an improved generation is opened pressure release explosion vent in advance, includes the mine, the centre of mine is provided with the shaft slot, the explosion vent is installed on the top of shaft slot, the bottom mounting of explosion vent has the sealing ring.

Preferably, the sealing ring is inserted into the well groove, a first sliding groove is formed in the mine, the first sliding groove is communicated with the well groove, a second sliding groove is formed in the outer end of the first sliding groove, and the top end of the second sliding groove is located on two sides of the explosion door.

Preferably, the first sliding groove is communicated with the second sliding groove, the first sliding groove is perpendicular to the second sliding groove, a first supporting plate is arranged inside the first sliding groove, a second supporting plate is arranged inside the second sliding groove, and the second supporting plates are located on two sides of the explosion door.

Preferably, the first supporting plate is horizontally arranged, the second supporting plate is vertically arranged, the bottom end of the second supporting plate is fixedly connected with the two ends of the first supporting plate, a through hole is formed in the middle surface of the first supporting plate, a sealing plug is arranged at the top end of the second sliding groove, and the sealing plug wraps the surface of the second supporting plate.

Preferably, limiting plates are arranged on two sides of the explosion door, the limiting plates are located on the inner side of the second supporting plate, first guide holes are formed in the surfaces of the limiting plates, positioning holes are formed in the side face of the explosion door, and the positioning holes are aligned with the first guide holes.

Preferably, the locating lever has been passed to the inside of first guiding hole, insert on the top of locating lever the locating hole, the spring has been cup jointed on the surface of locating lever, the spring is located the outside of limiting plate, the surface of second backup pad is opened there is the groove of popping out, the groove of popping out is located the below of locating lever.

Preferably, the top of mine is fixed with the bracing piece, the top of bracing piece is fixed with the roof, open on the surface of roof has the second guiding hole, the top of explosion vent is fixed with the guide bar, the vertical setting of guide bar, the guide bar inserts the second guiding hole, the surface of guide bar has cup jointed the extension spring, the top of extension spring with the roof is connected, the extension spring be located the explosion vent with between the roof.

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

1. the utility model discloses a set up first spout and second spout inside the mine, and install first backup pad and second backup pad, first backup pad passes the well groove, the top of second backup pad is located the both sides of explosion vent, and the limiting plate that sets up in the both sides of explosion vent, the spring is cup jointed on the locating lever surface, and insert the locating hole, to the top of explosion vent fastening position at the well groove, and the top of second backup pad blocks the locating lever, when the mine explodes, the first backup pad of impact upwards is strikeed to the shock wave, first backup pad drives the second backup pad upwards, make and pop out groove subtend locating lever, the spring is popped out, make the locating lever pop out from the locating hole, and simultaneously, extension spring pulling explosion vent upwards, open the well groove, reserve the department pressure release export, reduce the explosion impact.

2. The utility model discloses set up first backup pad inside the well slot to be located the below of explosion vent, set up the extension spring between explosion vent and roof, and the roof is located the top of explosion vent, the inside explosion that takes place of mine, the first backup pad is strikeed earlier to the shock wave, first backup pad blocks and weakens the part and strikes, reduce the shock wave to the impact of explosion vent, and the explosion vent leans against the roof through guide bar and extension spring, and has certain buffering between the roof, reduce the impact damage that the explosion vent received.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view taken along line a-a of fig. 1 according to the present invention;

fig. 3 is a sectional view taken along the line B-B of fig. 1 according to the present invention;

FIG. 4 is an enlarged view of the present invention at C of FIG. 1;

fig. 5 is a schematic structural view of an opening portion of the explosion vent of fig. 1 according to the present invention.

In the figure: 1. a mine; 2. a second chute; 3. a first chute; 4. a well slot; 5. a through hole; 6. a first support plate; 7. a second support plate; 8. a seal ring; 9. an explosion vent; 10. a limiting plate; 11. a support bar; 12. a tension spring; 13. a guide bar; 14. a top plate; 15. a second guide hole; 16. a pop-up slot; 17. a sealing plug; 18. positioning holes; 19. a first guide hole; 20. a spring; 21. and (5) positioning the rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, 2, 3, 4 and 5, the improved pre-opening pressure relief explosion vent in the figures comprises a mine 1, a well groove 4 is arranged in the middle of the mine 1, an explosion vent 9 is installed at the top end of the well groove 4, and a sealing ring 8 is fixed at the bottom end of the explosion vent 9.

The sealing ring 8 is inserted into the well groove 4, and when explosion does not occur, the explosion-proof door 9 seals the well groove 4 through the sealing ring 8; a first sliding groove 3 is formed in the mine 1, the first sliding groove 3 is communicated with a well groove 4, a second sliding groove 2 is formed in the outer end of the first sliding groove 3, and the top end of the second sliding groove 2 is located on two sides of an explosion-proof door 9.

The first sliding chute 3 is communicated with the second sliding chute 2, and the first sliding chute 3 is vertical to the second sliding chute 2; a first supporting plate 6 is arranged inside the first sliding groove 3, a second supporting plate 7 is arranged inside the second sliding groove 2, the second supporting plate 7 protrudes out of the second buffer 2, and the second supporting plate 7 is located on two sides of the explosion-proof door 9.

The first supporting plate 6 is horizontally arranged, the first supporting plate 7 penetrates through the well slot 4, the second supporting plate 7 is vertically arranged, and the bottom end of the second supporting plate 7 is fixedly connected with two ends of the first supporting plate 6; the middle surface of the first supporting plate 6 is provided with a through hole 5; the top end of the interior of the second chute 2 is provided with a sealing plug 17, and the sealing plug 17 wraps the surface of the second supporting plate 7 to seal the interior of the mine shaft 1.

Limiting plates 10 are arranged on two sides of the explosion door 9, and the limiting plates 10 are positioned on the inner side of the second supporting plate 7; the surface of the limiting plate 10 is provided with a first guide hole 19, the side surface of the explosion door 9 is provided with a positioning hole 18, and the positioning hole 18 is aligned with the first guide hole 19.

A positioning rod 21 penetrates through the first guide hole 19, the top end of the positioning rod 21 is inserted into the positioning hole 18, and the explosion-proof door 9 is positioned and installed at the top end of the mine 1; the surface of the positioning rod 21 is sleeved with a spring 20, and the spring 20 is positioned outside the limiting plate 10.

The surface of second backup pad 7 is opened there is ejection groove 16, and ejection groove 16 is located the below of locating lever 21, and the outer end of locating lever 21 is located between limiting plate 10 and the second backup pad 7, and the outer end size of locating lever 21 is not more than the size in ejection groove 16 makes things convenient for locating lever 21 to pop out from ejection groove 16.

A supporting rod 11 is fixed at the top end of the mine 1, a top plate 14 is fixed at the top end of the supporting rod 11, and the top plate 14 is horizontally arranged and is positioned above the explosion door 9; the surface of the top plate 14 is provided with a second guide hole 15, the top end of the explosion door 9 is fixed with a guide rod 13, the guide rod 13 is vertically arranged, and the guide rod 13 is inserted into the second guide hole 15.

The surface of guide bar 13 is cup jointed with extension spring 12, and the top of extension spring 12 is connected with roof 14, and the bottom of extension spring 12 is connected with the top of explosion-proof door 9, and extension spring 12 is located between explosion-proof door 9 and roof 14.

This improved generation opens pressure release explosion vent in advance, during the use: a first sliding groove 3 and a second sliding groove 2 are arranged in a mine 1, a first supporting plate 6 and a second supporting plate 7 are installed, the first supporting plate 6 penetrates through a well groove 4, and the top end of the second supporting plate 7 is located on two sides of an explosion door 9.

Limiting plates 10 are arranged on two sides of the explosion-proof door 9, a spring 20 is sleeved on the surface of the positioning rod 21, the positioning rod is inserted into the positioning hole 18, the explosion-proof door 9 is tightly fixed and positioned at the top end of the well groove 4, and the top end of the second supporting plate 7 blocks the positioning rod 21.

When mine 1 explodes, the first backup pad 6 of shock wave upwards impact, and first backup pad 6 drives second backup pad 7 upwards for 16 subtend locating levers 21 in the play groove, spring 20 bounce-off, make locating lever 21 pop out from locating hole 18, simultaneously, extension spring 12 pulling explosion vent 9 upwards, open well groove 4, reserve the department pressure release export, reduce the explosion impact.

Example 2

Referring to fig. 1, 2 and 5, this embodiment further illustrates example 1, and an improved pre-opening pressure-relief explosion vent in the figure includes a mine 1, a well groove 4 is arranged in the middle of the mine 1, an explosion vent 9 is installed at the top end of the well groove 4, and a sealing ring 8 is fixed at the bottom end of the explosion vent 9.

The sealing ring 8 inserts well groove 4, and open the inside of mine 1 has first spout 3, and first spout 3 and well groove 4 intercommunication, the outer end of first spout 3 are provided with second spout 2, and the top of second spout 2 is located the both sides of explosion vent 9.

The first sliding chute 3 is communicated with the second sliding chute 2, and the first sliding chute 3 is vertical to the second sliding chute 2; the internally mounted of first spout 3 has first backup pad 6, and first backup pad 6 passes well groove 4, and the level sets up, and the internally mounted of second spout 2 has second backup pad 7, and second backup pad 7 is located the both sides of explosion vent 9.

A supporting rod 11 is fixed at the top end of the mine 1, a top plate 14 is fixed at the top end of the supporting rod 11, and the top plate 14 is positioned at the top end of the explosion door 9; the surface of the top plate 14 is provided with a second guide hole 15, the top end of the explosion door 9 is fixed with a guide rod 13, the guide rod 13 is vertically arranged, and the guide rod 13 is inserted into the second guide hole 15.

In this embodiment, the first support plate 6 is disposed inside the well 4 and below the explosion vent 9, the tension spring 12 is disposed between the explosion vent 9 and the top plate 14, and the top plate 14 is disposed above the explosion vent 9.

Mine 1 is inside to explode, and the shock wave strikes first backup pad 6 earlier, and first backup pad 6 blocks and weakens the part and strikes, reduces the shock wave to explosion vent 9's impact, and explosion vent 9 through guide bar 13 and extension spring 12 back to roof 14, and have certain buffering between the roof 14, reduce the impact damage that explosion vent 9 received.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An improved pre-opening pressure relief explosion vent, comprising: the anti-explosion mine is characterized by comprising a mine (1), wherein a well groove (4) is arranged in the middle of the mine (1), an anti-explosion door (9) is installed at the top end of the well groove (4), and a sealing ring (8) is fixed at the bottom end of the anti-explosion door (9).

2. An improved pre-open pressure relief vent as defined in claim 1 wherein: the sealing ring (8) is inserted into the well groove (4), a first sliding groove (3) is formed in the mine (1), the first sliding groove (3) is communicated with the well groove (4), a second sliding groove (2) is arranged at the outer end of the first sliding groove (3), and the top end of the second sliding groove (2) is located on two sides of the explosion door (9).

3. An improved pre-open pressure relief vent as set forth in claim 2 wherein: first spout (3) and second spout (2) intercommunication, first spout (3) and second spout (2) are perpendicular, the internally mounted of first spout (3) has first backup pad (6), the internally mounted of second spout (2) has second backup pad (7), second backup pad (7) are located the both sides of explosion vent (9).

4. An improved pre-open pressure relief vent as set forth in claim 3 wherein: first backup pad (6) level sets up, the vertical setting of second backup pad (7), the bottom of second backup pad (7) with the both ends fixed connection of first backup pad (6), open the middle surface of first backup pad (6) has through-hole (5), the inside top of second spout (2) is provided with sealing plug (17), sealing plug (17) parcel the surface of second backup pad (7).

5. An improved pre-open pressure relief vent as set forth in claim 3 wherein: limiting plates (10) are arranged on two sides of the explosion door (9), the limiting plates (10) are located on the inner side of the second supporting plate (7), first guide holes (19) are formed in the surfaces of the limiting plates (10), positioning holes (18) are formed in the side faces of the explosion door (9), and the positioning holes (18) are aligned to the first guide holes (19).

6. An improved pre-open pressure relief vent as set forth in claim 5 wherein: the inside of first guiding hole (19) is passed there is locating lever (21), insert the top of locating lever (21) locating hole (18), spring (20) have been cup jointed on the surface of locating lever (21), spring (20) are located the outside of limiting plate (10), open on the surface of second backup pad (7) has pop-up groove (16), pop-up groove (16) are located the below of locating lever (21).

7. An improved pre-open pressure relief vent as defined in claim 1 wherein: the top of mine (1) is fixed with bracing piece (11), the top of bracing piece (11) is fixed with roof (14), open on the surface of roof (14) has second guiding hole (15), the top of explosion vent (9) is fixed with guide bar (13), guide bar (13) vertical setting, guide bar (13) insert second guiding hole (15), extension spring (12) have been cup jointed on the surface of guide bar (13), the top of extension spring (12) with roof (14) are connected, extension spring (12) are located explosion vent (9) with between roof (14).