CN208749394U - Underground coal mine triggered barrier - Google Patents
Underground coal mine triggered barrier Download PDFInfo
- Publication number
- CN208749394U CN208749394U CN201821538074.0U CN201821538074U CN208749394U CN 208749394 U CN208749394 U CN 208749394U CN 201821538074 U CN201821538074 U CN 201821538074U CN 208749394 U CN208749394 U CN 208749394U
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- Prior art keywords
- jet pipe
- cavity
- tail end
- air jet
- sliding sleeve
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Abstract
The utility model relates to a kind of underground coal mine triggered barriers, including are packed into hoop, air jet pipe, steel ball, piston, sliding sleeve, high pressure air cavity, adapter cavity, fire fighting powder and store cover, threeway, charge valve, pressure gauge with back connection；Sliding sleeve front end is equipped with loading hoop, the push rod end that the front end for being packed into hoop receives system with the shock wave that extinguishing device is isolated connects, sliding sleeve tail end is sleeved on the excircle of air jet pipe, it is slidably matched, sliding sleeve tail end diameter of bore is small, diameter of bore is big before tail end, i.e., forms cavity between air jet pipe outer round surface within rear end.In the utility model device, pressure gauge and inflation system are placed on high pressure air cavity tail end, simplify and have fallen all multiple components, keep high pressure air cavity, adapter cavity processing assembling simpler, appearance is more smooth, solves the problems, such as all multiple location gas leakage, powder leakage, jet resistance is reduced, keeps fire fighting powder eruption more smooth.
Description
Technical field
The utility model belongs to technical field of coal mine, and in particular to a kind of underground coal mine triggered barrier.
Background technique
There are many defects in processing, assembling, use process for original automatic explosion proof and suppression device of mine: (1) whole group
After the completion of dress, since underground installation direction is uncertain, pressure gauge may cause towards wall, equipment is in high pressure at this time,
Pressure gauge direction can not be adjusted, routine testing can not observe pressure gauge indicating value.(2) pressure gauge component is cumbersome with adapter cavity, high pressure
It leaks air between air cavity connection, powder leakage phenomenon；(3) air charging system structure is complicated connect with adapter cavity, high pressure air cavity between leak
Gas, powder leakage phenomenon；(4) taper connection pipe, air charging system and the connection of high pressure air cavity that pressure gauge component is connect with high pressure air cavity
2 of connector in 8 fumaroles of adapter cavity inner barrier air jet pipe are introduced into, bring resistance to eruption；(5) valve of air charging system
The needle conical surface and the inner conical surface sealing performance for introducing connector are unreliable, are also easy to produce gas leakage pressure release phenomenon, cause device pressure release failure, are
Mine safety buries the joint face sealing performance between ball nut and taper connection pipe in major hidden danger (6) pressure gauge component
It is unreliable, it is also easy to produce gas leakage pressure release phenomenon, the end face of the stability and reliability (7) outer cover assembly that reduce device is 45 ° oblique
Face, net circle and compression sieve are oval end faces, and difficulty of processing is costly greatly, and welding is easily-deformable, cause substandard product serious；
Utility model content
The purpose of this utility model is to provide a kind of underground coal mine triggered barriers, so as to overcome prior art
The automatic explosion proof and suppression device problems present in processing, assembling, use process of mine, the product structure is simpler,
Processing, assembling difficulty are reduced, use reliability and flame proof fire-fighting efficiency are improved.
To achieve the goals above, the technical solution of the utility model is as follows.
A kind of underground coal mine triggered barrier, including it is packed into hoop, air jet pipe, steel ball, piston, sliding sleeve, high pressure gas
Chamber, adapter cavity, fire fighting powder store cover, threeway, individual event charging check valve, pressure gauge with back connection；Sliding sleeve front end is bound round equipped with loading,
The push rod end that the front end for being packed into hoop receives system with the shock wave that extinguishing device is isolated connects, and sliding sleeve tail end is sleeved on spray
It on the excircle of tracheae, is slidably matched, sliding sleeve tail end diameter of bore is small, and diameter of bore is big before tail end, i.e. rear end
Cavity is formed between air jet pipe outer round surface within portion；Air jet pipe is provided with piston, is slidably matched, and piston front diameter is less than
Rear portion, piston tail end is fluted, and sealing ring is housed, and air jet pipe middle position surrounds there are four the distributions of tube wall cross section even circumferential
Radial hole installs steel ball, and steel ball hole rear portion, around tube wall cross section, circumference has 8 inclined holes i.e. bleeder port, leads on the outside of bleeder port
In the adapter cavity and outer cover of coal dust gas explosion extinguishing device.
Further, air jet pipe excircle is connect by screw thread with adapter cavity, and adapter cavity tail end passes through card slot and fire fighting powder
Storage cover connection.
Further, air jet pipe tail end is connect with high pressure air cavity, is threadedly coupled.
Further, high pressure air cavity fore end outer circumference is fluted, and O-ring seal is housed, and portion's radial end face is equipped with four later
Fluorine gasket.
Further, high pressure air cavity tail end axially has threaded hole, is connect by threaded hole with threeway, threeway axial direction spindle to
Pressure gauge, radial order item charging check valve.
The rear end of sliding sleeve is located at steel ball hole when normal, and rear end inner hole disc is pressed on steel ball, before steel ball is by piston
The minor diameter external peripheral surface at end supports, and is stuck at the variable diameter of piston, and piston is in position among air jet pipe, piston rear end it is close
Seal gets lodged in air jet pipe bleeder port rear, and piston has the tendency that Forward under the action of the high pressure air cavity compressed air of rear portion but cannot
It moves forward.When the push rod of impact wave receiving device is under the promotion of shock wave, sliding sleeve is moved back, and the cavity of sliding sleeve moves
To steel ball hole, steel ball is mobile to sliding sleeve cavity under the promotion of piston, by piston back segment major diameter appearance on the inside of steel ball
Air jet pipe bleeder port is exposed in face support, piston Forward, and the intracavitary high pressure gas of high pressure gas enters adapter cavity, fire extinguishing through discouraged chamber
Powder storage cover, fire fighting powder is sprayed.
The beneficial effect of the utility model is: in the utility model device, pressure gauge and inflation system are placed on high pressure gas
Chamber tail end simplifies and has fallen all multiple components, keeps high pressure air cavity, adapter cavity processing assembling simpler, appearance is more smooth, solves all
The problem of multiple location gas leakage, powder leakage, reduces jet resistance, keeps fire fighting powder eruption more smooth, improves the reliability of product；Loudspeaker
Mouth angled end-face is changed to straight end face, in the case where not increasing overall dimensions length, reduces difficulty of processing, increases 20%
Fire fighting powder capacity improves fire fighting powder concentration and fire-fighting efficiency in eruption region；Pressure gauge is radially changed to axial direction, device regardless of
It is mounted on where tunnel can clearly observe pressure gauge indicating value；Energy moment extinguishing explosive flame avoids flame from continuing climing
Prolong to cause and endangers bigger subsequent explosion.
Detailed description of the invention
Fig. 1 is apparatus structure schematic diagram used in the utility model embodiment.
Description of symbols in figure: 1, it is packed into hoop；2, closure plate；3, sliding sleeve；4, air jet pipe；5, stop-nut；6, piston；7,
Adapter cavity；8, fire fighting powder storage cover；9, high pressure air cavity；10, sieve is compressed；11, steel ball；12, y-shaped ring；13, the first O shape is close
Seal；14, polytetrafluoroethylsealed sealed pad；15, the second O-ring seals；16, clamp nut；17, shield；18, unidirectional charging check valve；19,
Threeway；20, pressure gauge with back connection.
Specific embodiment
Specific embodiment of the present utility model is described with reference to the accompanying drawing, it is practical new to better understand this
Type.
Underground coal mine triggered barrier as shown in Figure 1, including it is packed into hoop 1, air jet pipe 4, steel ball 11, piston 6, sliding
Sleeve 3, high pressure air cavity 9, adapter cavity 7, fire fighting powder storage cover 8, threeway 19, unidirectional charging check valve 18, pressure gauge with back connection 20；It is sliding
For 3 front end of moving sleeve equipped with hoop 1 is packed into, the front end for being packed into hoop 1 receives the push rod end of system with the shock wave that extinguishing device is isolated
Connection, 3 tail end of sliding sleeve are sleeved on the excircle of air jet pipe 4, are slidably matched, and 3 tail end diameter of bore of sliding sleeve is small,
Diameter of bore is big before tail end, i.e., forms cavity between air jet pipe outer round surface within rear end；Air jet pipe 4 is provided with work
Plug 6, is slidably matched, and piston front diameter is less than rear portion, and piston tail end is fluted, sealing ring is housed, air jet pipe middle position is enclosed
Around the distribution of tube wall cross section even circumferential, there are four radial holes, install steel ball 11, and steel ball hole rear portion surrounds tube wall cross section circumference
There is 8 inclined holes i.e. bleeder port, leads in the adapter cavity 7 and outer cover of coal dust gas explosion extinguishing device on the outside of bleeder port.Air jet pipe 4
Excircle is connect by screw thread with adapter cavity 7, and 7 tail end of adapter cavity is connect by card slot with fire fighting powder storage cover 8.4 tail of air jet pipe
End is connect with high pressure air cavity 9, is threadedly coupled.9 fore end outer circumference of high pressure air cavity is fluted, the first O-ring seal 13 is housed, later
Portion's radial end face is equipped with polytetrafluoroethylsealed sealed pad 14.The tail portion of adapter cavity 7 is equipped with the second O-ring seal 15.High pressure air cavity tail end is axial
There is threaded hole, connect by threaded hole with threeway 19, threeway 19 is axial to connect pressure gauge with back connection 20, and radial order item inflates non-return
Valve.Blocking bolt is housed on sliding sleeve 3, blocking bolt is tightened when not needing triggering equipment, after sliding sleeve 3 can be prevented
It moves, causes equipment false triggering.The front end of air jet pipe 4 has external screw thread, is connected through a screw thread equipped with closure plate 2, with it is convenient for assembly with
And the cooperation with sliding sleeve 3.4 exterior side wall of air jet pipe is equipped with stop-nut 5.8 tail portions of fire fighting powder storage cover, which are equipped with, to be compressed
Sieve 10；9 tail portion of high pressure air cavity is equipped with clamp nut 16 and shield 17.
By unidirectional charging check valve 18, the high pressure compressed gas of 12 ± 2MPa is filled with into high pressure air cavity 9.Sliding sleeve
3 front end is connect by its external screw thread with hoop 1 is packed into, and the front end for being packed into hoop 1 is received by the screw thread and shock wave in its axle center to be filled
The putting back-end connection set.Sliding sleeve 3 is sleeved on the excircle of 4 front end of air jet pipe, can slide back and forth, 3 tail of sliding sleeve
End diameter of bore is small, and diameter of bore is big before tail end, i.e., is formed between 4 outer round surface of air jet pipe within rear end empty
Chamber.
Air jet pipe 4 is provided with piston 6, is slidably matched, and 6 front diameter of piston is less than rear portion, and 6 tail end of piston is fluted, dress
There is y-shaped ring 12, there are four radial hole, that is, steel ball hole peaces around the distribution of tube wall cross section even circumferential in air jet pipe 4 middle position
Steel loading ball 11, steel ball hole rear portion, around tube wall cross section, circumference has 8 inclined holes i.e. bleeder port, leads to adapter cavity 7 on the outside of bleeder port
With fire fighting powder storage cover 8.
The rear end of sliding sleeve 3 is located at steel ball hole when normal, and rear end inner hole disc is pressed on steel ball 11, and steel ball 11 is by living
The minor diameter external peripheral surface support for filling in 6 front ends, is stuck at the variable diameter of piston 6, piston 6 is in the intermediate position of air jet pipe 4, piston
The y-shaped ring 12 of 6 rear ends gets lodged in 4 bleeder port rear of air jet pipe, and piston 6 is under the action of high pressure 9 compressed air of air cavity of rear portion
Have the tendency that Forward but cannot move forward.When the push rod of impact wave receiving device is under the promotion of shock wave, after sliding sleeve 3
It moves, the cavity of sliding sleeve 3 moves at steel ball hole, and steel ball 11 is mobile to 3 cavity of sliding sleeve under the promotion of piston 6, steel ball
11 insides are supported by 6 back segment major diameter outer surface of piston, and piston 6 moves forward, and expose air jet pipe bleeder port, the height in high pressure air cavity 9
Body of calming the anger is lost heart, and chamber enters adapter cavity 7, fire fighting powder storage covers 8, and fire fighting powder storage is made to cover built-in fire fighting powder in high pressure compressed
It is spouting under the action of air.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (5)
1. a kind of underground coal mine triggered barrier, it is characterised in that: including being packed into hoop, air jet pipe, steel ball, piston, sliding sleeve
Cylinder, high pressure air cavity, adapter cavity, fire fighting powder store cover, threeway, charge valve, pressure gauge with back connection；The sliding sleeve front end is equipped with dress
Enter hoop, the front end for being packed into hoop is connected with the push rod end that the shock wave that extinguishing device is isolated receives system, the sliding sleeve
Cylinder tail end is sleeved on the excircle of air jet pipe, is slidably matched, the sliding sleeve tail end diameter of bore is small, before tail end
Diameter of bore is big, i.e., forms cavity between air jet pipe outer round surface within rear end；The air jet pipe is provided with piston, sliding
Cooperation, piston front diameter are less than rear portion, and the piston tail end is fluted, sealing ring are housed, the air jet pipe middle position is enclosed
Around the distribution of tube wall cross section even circumferential, there are four radial holes, install steel ball, steel ball hole rear portion, circumference has around tube wall cross section
8 inclined hole, that is, bleeder ports, the bleeder port outside are led in the adapter cavity and outer cover of coal dust gas explosion extinguishing device.
2. underground coal mine triggered barrier according to claim 1, it is characterised in that: the air jet pipe excircle passes through
Screw thread is connect with adapter cavity, and adapter cavity tail end passes through card slot and fire fighting powder storage cover connection.
3. underground coal mine triggered barrier according to claim 1, it is characterised in that: the air jet pipe tail end and high pressure
Air cavity connection, is threadedly coupled.
4. underground coal mine triggered barrier according to claim 1, it is characterised in that: high pressure air cavity front end outer circle
Week is fluted, and O-ring seal is housed, and portion's radial end face is equipped with polytetrafluoroethylsealed sealed pad later.
5. underground coal mine triggered barrier according to claim 1, it is characterised in that: the high pressure air cavity tail end is axial
There is threaded hole, connect by threaded hole with threeway, threeway axially connects pressure gauge with back connection, radial order item charging check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538074.0U CN208749394U (en) | 2018-09-19 | 2018-09-19 | Underground coal mine triggered barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821538074.0U CN208749394U (en) | 2018-09-19 | 2018-09-19 | Underground coal mine triggered barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749394U true CN208749394U (en) | 2019-04-16 |
Family
ID=66083634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821538074.0U Ceased CN208749394U (en) | 2018-09-19 | 2018-09-19 | Underground coal mine triggered barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749394U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751074A (en) * | 2019-02-01 | 2019-05-14 | 山东德马格重工有限公司 | A kind of underground coal mine automatic bidirectional flame proof equipment and application method |
| CN112121338A (en) * | 2020-09-28 | 2020-12-25 | 山东久泰消防科技有限公司 | Automatic fire-fighting device |
| CN112245836A (en) * | 2020-11-09 | 2021-01-22 | 山东久泰消防科技有限公司 | Cart type fire extinguisher |
| CN112709592A (en) * | 2021-01-30 | 2021-04-27 | 山东宸兴重工科技有限公司 | Mining automatic flame proof device based on external triggering |
| CN112761710A (en) * | 2021-01-30 | 2021-05-07 | 山东宸兴重工科技有限公司 | Flame-retardant and explosion-proof device for coal mine |
| CN112761708A (en) * | 2021-01-30 | 2021-05-07 | 山东宸兴重工科技有限公司 | Coal mine one-way receiving two-way eruption flame-retardant explosion-proof device |
-
2018
- 2018-09-19 CN CN201821538074.0U patent/CN208749394U/en not_active Ceased
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751074A (en) * | 2019-02-01 | 2019-05-14 | 山东德马格重工有限公司 | A kind of underground coal mine automatic bidirectional flame proof equipment and application method |
| CN109751074B (en) * | 2019-02-01 | 2020-02-07 | 山东德马格重工有限公司 | Automatic bidirectional explosion-proof equipment for underground coal mine and use method |
| CN112121338A (en) * | 2020-09-28 | 2020-12-25 | 山东久泰消防科技有限公司 | Automatic fire-fighting device |
| CN112121338B (en) * | 2020-09-28 | 2021-12-17 | 山东久泰消防科技有限公司 | Automatic fire-fighting device |
| CN112245836A (en) * | 2020-11-09 | 2021-01-22 | 山东久泰消防科技有限公司 | Cart type fire extinguisher |
| CN112709592A (en) * | 2021-01-30 | 2021-04-27 | 山东宸兴重工科技有限公司 | Mining automatic flame proof device based on external triggering |
| CN112761710A (en) * | 2021-01-30 | 2021-05-07 | 山东宸兴重工科技有限公司 | Flame-retardant and explosion-proof device for coal mine |
| CN112761708A (en) * | 2021-01-30 | 2021-05-07 | 山东宸兴重工科技有限公司 | Coal mine one-way receiving two-way eruption flame-retardant explosion-proof device |
| CN112761708B (en) * | 2021-01-30 | 2022-08-12 | 山东宸兴重工科技有限公司 | Coal mine one-way receiving two-way eruption flame-retardant explosion-proof device |
| CN112761710B (en) * | 2021-01-30 | 2023-02-28 | 山东宸兴重工科技有限公司 | Flame-retardant and explosion-proof device for coal mine |
| CN112709592B (en) * | 2021-01-30 | 2024-05-17 | 山东宸兴重工科技有限公司 | Mining automatic explosion-proof device based on external trigger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IP01 | Partial invalidation of patent right | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W117695 Conclusion of examination: Claims 1-4 of No. 201821538074.0 are declared invalid, and the patent continues to be valid on the basis of claim 5. Decision date of declaring invalidation: 20191204 Decision number of declaring invalidation: 42518 Denomination of utility model: Mine under-shaft automatic explosive-suspension device triggered in two directions Granted publication date: 20190416 Patentee: SHANDONG JIUTAI MEIAN EQUIPMENT Co.,Ltd. |
|
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20210105 Decision number of declaring invalidation: 47485 Granted publication date: 20190416 |