CN202360144U - Gas buffer explosion door - Google Patents
Gas buffer explosion door Download PDFInfo
- Publication number
- CN202360144U CN202360144U CN2011204327601U CN201120432760U CN202360144U CN 202360144 U CN202360144 U CN 202360144U CN 2011204327601 U CN2011204327601 U CN 2011204327601U CN 201120432760 U CN201120432760 U CN 201120432760U CN 202360144 U CN202360144 U CN 202360144U
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- Prior art keywords
- door
- gas buffer
- buffer
- doorframe
- loaded
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- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model provides a gas buffer explosion door, which is an active safety facility for a coal mine ventilation system and comprises two door leaves, a door frame and hinges. The gas buffer explosion door is characterized by further comprising counter weights, steel wire ropes, buffer seats, buffer blocks and gas buffer devices; the counter weights are mounted on the side floors outside of the door frame and connected with the door leaves via the steel wire ropes; the buffer seats are mounted on side walls outside the door frame; the buffer blocks are mounted on the outer surfaces of the door leaves and correspond to the buffer seats; and each gas buffer device consists of a hinge seat and a gas buffer cylinder, the hinge seats are mounted on side walls in the door frame, and the gas buffer cylinders are hinged with the door leaves. The gas buffer explosion door is simple in structure, is safe and reliable, can reset fast, quickly recovers the ventilation system, can shorten emergency rescue time, and reduces casualties and loss caused by accidents. Accordingly, an anti-explosion performance and a safety effect of the explosion door are greatly improved.
Description
Technical field
The utility model belongs to the coalmine ventilation safety device, specifically a kind ofly is used for the explosion proof door that coal mine air-shaft has the gas buffer function.
Background technology
The explosion proof door of ventilating shaft is the explosion proof door of general common door form steel work in the existing coalmine ventilation safety device; In a single day run into the situation that well shooting takes place in the colliery; Explosion proof door very easily is destroyed or flies away from well head, and explosion proof door can't reset at short notice, will cause like this and can't recover within a short period of time under the coal mine to ventilate; And then can't exhale pernicious gases; Let the personnel of speedily carrying out rescue work lose and speedily carry out rescue work the relief time, also seriously jeopardized staff's life security under the coal mine simultaneously, cause the disaster after accident takes place to enlarge.For this reason, for preventing under the impact of gas explosion, not destroy explosion proof door, the colliery presses for the explosion proof door that has more safety that can in time reset that research and development are used for the coalmine ventilation well.
Summary of the invention
The purpose of the utility model is to overcome the shortcoming of prior art, and a kind of gas buffer that has is provided, and absorbs the impulse machine ability, the explosion proof door of safer reliable gas buffer function.
In order to realize above purpose, the technical scheme of the utility model is:
A kind of gas buffer explosion proof door comprises two door leafs 1, doorframe 2 and hinge 3, and described two door leafs 1 are installed on the doorframe 2 through hinge 3; It is characterized in that: also comprise counter weight device 4, wire rope 5, buffing pad 6, buffer stopper 7 and gas buffer 8; Described counter weight device is loaded on the ground in the doorframe outside, and connects door leaf by wire rope; Described buffing pad is loaded on the outer side walls 15 of doorframe; Described buffer stopper is loaded on the external surface of door leaf, and corresponding with the position of buffing pad; Wherein: described gas buffer is made up of free bearing 8-1 and the gas buffer cylinder 8-2 that is hinged on the free bearing, and free bearing is loaded on the side walls 16 in the doorframe, and gas buffer cylinder and door leaf are hinged.
Described counter weight device comprise assembly pulley 4-1, counterweight 4-2, with support 4-3; Wherein: assembly pulley is contained on the support; Counterweight is connected with door leaf 1 by wire rope and through assembly pulley.
Described Compulsory reduction mechanism 9 is a kind of hinges with torsionspring, is loaded on door leaf 1 and the doorframe 2.
Described a kind of gas buffer explosion proof door is characterized in that: also comprise time-delay mechanism 10, described time-delay mechanism comprises base 10-1, cylinder 10-2, damping lever 10-3 and spring 10-4; Described cylinder is loaded on the base, and the damping lever is hinged on the damping lever dolly 10-5 on the base, and an end of spring hangs over one on damping lever, and the other end hangs on the damping lever dolly, and one on damping lever contacts with cylinder piston rod.
The substantive distinguishing features of the utility model with significant beneficial effect is:
When gas explosion takes place in the down-hole, in the process that door leaf is opened by impact generated by explosion ripple or high pressure draught, utilize in the gas buffer gaseous state to change to absorb mechanical energy and realize buffering, explosion proof door and linkage are played buffer protection function.Have gas buffer, absorb the impulse machine ability, the explosion proof door of safer reliable gas buffer function.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of Compulsory reduction mechanism in the utility model.
Fig. 4 is the structural representation of time-delay mechanism in the utility model.
Fig. 5 is the vertical view of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
As depicted in figs. 1 and 2, a kind of gas buffer explosion proof door.It comprises two door leafs 1, doorframe 2 and hinge 3, and described two door leafs 1 are installed on the doorframe 2 through hinge 3; It is characterized in that: also comprise counter weight device 4, wire rope 5, buffing pad 6, buffer stopper 7 and gas buffer 8; Described counter weight device is loaded on the outer side ground of doorframe, and connects door leaf by wire rope; Described buffing pad is loaded on the outer side walls 15 of doorframe; Described buffer stopper is loaded on the external surface of two door leafs, and corresponding with the position of buffing pad; Described counter weight device comprises assembly pulley 4-1, counterweight 4-2 and support 4-3; Wherein: assembly pulley is contained on the support; Balancing weight is connected with door leaf 1 by wire rope and through assembly pulley; Described Compulsory reduction mechanism 9 is a kind of hinges with torsionspring, is loaded on door leaf 1 and the doorframe 2.Wherein:
As shown in Figure 3, described gas buffer is made up of free bearing 8-1 and the gas buffer cylinder 8-2 that is hinged on the free bearing, and free bearing is loaded on the side walls 16 in the doorframe, and gas buffer cylinder and door leaf are hinged.
Like Fig. 4 and shown in Figure 5, described a kind of gas buffer explosion proof door is characterized in that: also comprise time-delay mechanism 10, described time-delay mechanism comprises base 10-1, cylinder 10-2, damping lever 10-3 and spring 10-4; Described cylinder is loaded on the base, and the damping lever is hinged on the damping lever dolly 10-5 on the base, and an end of spring hangs over one on damping lever, and the other end hangs on the damping lever dolly, and one on damping lever contacts with cylinder piston rod.
A kind of gas buffer explosion proof door of the utility model operating principle
When blast in the down-hole; Door leaf 2 is opened venting of dust explosion automatically by impact generated by explosion ripple or high pressure draught; In door leaf is opened process, utilize in the gas buffer 8 gas to be compressed or to be pumped into negative pressure and carry out work done and absorb mechanical energy and realize buffering, door leaf and hinge 3 are played a protective role; Gas buffer 8 can use with time-delay mechanism 10, and by behind the gas buffer, the time-delay reset ability of time-delay mechanism 10 reduces by the time of shock wave or high pressure draught effect door leaf 2 to door leaf 1, is further protected in opening procedure.The buffer stopper 7 that is installed on the door leaf external surface is after the gas buffer compression or being stretched to certain stroke, and compression cushions each other, reaches the effect of secondary buffer.After blower fan stopped, counterweight 4-2 opened door leaf, carried out natural ventilation; When blower fan was opened, door leaf leaned on the complete adhesive of blower fan negative pressure after being closed to certain angle under the effect of Compulsory reduction mechanism.
Claims (3)
1. a gas buffer explosion proof door comprises two door leafs (1), doorframe (2) and hinge (3), and described two door leafs (1) are installed on the doorframe (2) through hinge (3); It is characterized in that: also comprise counter weight device (4), wire rope (5), buffing pad (6), buffer stopper (7), gas buffer (8) and Compulsory reduction mechanism (9); Described counter weight device is loaded on the ground in the doorframe outside, and connects door leaf by wire rope; Described buffing pad is loaded on the outer side walls (15) of doorframe; Described buffer stopper is loaded on the external surface of door leaf, and corresponding with the position of buffing pad; Wherein: described gas buffer is made up of free bearing (8-1) and the gas buffer cylinder (8-2) that is hinged on the free bearing, and free bearing is loaded on the side walls (16) in the doorframe, and gas buffer cylinder and door leaf are hinged; Described Compulsory reduction mechanism (9) is a kind of hinge with torsionspring, is loaded on door leaf (1) and the doorframe (2).
2. a kind of gas buffer explosion proof door according to claim 1 is characterized in that: described counter weight device comprises assembly pulley (4-1), balancing weight (4-2), support (4-3); Wherein: assembly pulley is contained on the support; Balancing weight is connected with door leaf (1) by wire rope and through assembly pulley.
3. a kind of gas buffer explosion proof door according to claim 1 is characterized in that: also comprise time-delay mechanism (10), described time-delay mechanism comprises base (10-1), cylinder (10-2), damping lever (10-3) and spring (10-4); Described cylinder is loaded on the base, and the damping lever is hinged on the damping lever dolly (10-5) on the base, and an end of spring hangs over one on damping lever, and the other end hangs on the damping lever dolly, and one on damping lever contacts with cylinder piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204327601U CN202360144U (en) | 2011-11-04 | 2011-11-04 | Gas buffer explosion door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204327601U CN202360144U (en) | 2011-11-04 | 2011-11-04 | Gas buffer explosion door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360144U true CN202360144U (en) | 2012-08-01 |
Family
ID=46571335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204327601U Expired - Fee Related CN202360144U (en) | 2011-11-04 | 2011-11-04 | Gas buffer explosion door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360144U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352776A (en) * | 2011-11-04 | 2012-02-15 | 山西创奇实业有限公司 | Gas buffer explosion-proof door |
| CN103603686A (en) * | 2013-10-08 | 2014-02-26 | 徐传升 | Secondary explosion preventing system device for mine |
| CN105927274A (en) * | 2016-06-27 | 2016-09-07 | 枣庄和顺达机电设备有限公司 | Self-restoring type explosion door applied to inclined shaft and horizontal shaft |
| CN106593530A (en) * | 2016-11-30 | 2017-04-26 | 西安科技大学 | Soft pressure-reducing anti-explosion door based on non-Newtonian fluid |
-
2011
- 2011-11-04 CN CN2011204327601U patent/CN202360144U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352776A (en) * | 2011-11-04 | 2012-02-15 | 山西创奇实业有限公司 | Gas buffer explosion-proof door |
| CN102352776B (en) * | 2011-11-04 | 2013-09-04 | 山西创奇实业有限公司 | Gas buffer explosion-proof door |
| CN103603686A (en) * | 2013-10-08 | 2014-02-26 | 徐传升 | Secondary explosion preventing system device for mine |
| CN103603686B (en) * | 2013-10-08 | 2018-03-23 | 徐传升 | A kind of secondary explosion preventing system device for mine |
| CN105927274A (en) * | 2016-06-27 | 2016-09-07 | 枣庄和顺达机电设备有限公司 | Self-restoring type explosion door applied to inclined shaft and horizontal shaft |
| CN106593530A (en) * | 2016-11-30 | 2017-04-26 | 西安科技大学 | Soft pressure-reducing anti-explosion door based on non-Newtonian fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20151104 |
|
| EXPY | Termination of patent right or utility model |