CN212058513U - Coal mine underground roadway blasting protection shelter - Google Patents
Coal mine underground roadway blasting protection shelter Download PDFInfo
- Publication number
- CN212058513U CN212058513U CN202020637689.XU CN202020637689U CN212058513U CN 212058513 U CN212058513 U CN 212058513U CN 202020637689 U CN202020637689 U CN 202020637689U CN 212058513 U CN212058513 U CN 212058513U
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- guard plate
- side guard
- blasting
- coal mine
- shelter
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Abstract
A coal mine underground roadway blasting protection shelter belongs to the technical field of roadway blasting. The method is characterized in that: including side guard plate (1) and positive backplate (4) of erectting putting, positive backplate (4) two vertical sides articulate tunnel lateral wall and side guard plate (1) side respectively, are equipped with explosion-proof glass window (5) on positive backplate (4), and explosion-proof glass window (5) inboard is equipped with fresh air discharging equipment, and the outside is equipped with portable observation device, and side guard plate (1) inboard is equipped with rotatable and hangs the supporting mechanism who connects the tunnel lateral wall. The utility model discloses a foldable protector forms the space of a relative isolation in the tunnel, during the blasting operation, forms the poisonous and harmful gas of fresh air curtain in order to keep apart the blasting production to the shelter inner space, on the basis that blocks the impact rubble, carries out the protection of poisonous and harmful gas to the operation personnel.
Description
Technical Field
A coal mine underground roadway blasting protection shelter belongs to the technical field of roadway blasting.
Background
In the underground coal mine production process, the operation of roadway blasting is indispensable, during the tunnel excavation blasting, the staff all withdraws to the blasting blindage apart from the working face certain distance after, the blasting blindage is only a plank in most mines, the staff avoids behind the plank, the explosive is detonated, poisonous and harmful gas such as carbon monoxide, nitrogen oxide that the blasting produced spreads to the tunnel along with the wind current, a part of harmful gas can be inhaled to the staff inevitable.
The defects of the existing explosion-proof shelter are as follows: the blasting shelter has single function, can only block broken stones which may be impacted, and can not protect operators from toxic and harmful gases. The main problems to be solved are: on the basis of blocking the impact macadam, the toxic and harmful gas protection is carried out on the operating personnel.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the coal mine underground roadway blasting protection shelter overcomes the defects of the prior art, and carries out toxic and harmful gas protection on operating personnel on the basis of blocking impact crushed stones.
The utility model provides a technical scheme that its technical problem adopted is: the coal mine underground roadway blasting protection shelter is characterized in that: including the side guard plate of erectting putting and just backplate, two vertical sides of positive backplate articulate tunnel lateral wall and side guard plate side respectively, are equipped with explosion-proof glass window on the positive backplate, and explosion-proof glass window inboard is equipped with fresh air discharging device, and the outside is equipped with portable observation device, and the side guard plate inboard is equipped with rotatable and hangs the supporting mechanism who connects the tunnel lateral wall.
The utility model discloses change the protection form of traditional blasting shelter, adopt foldable protector, form the space of a relative isolation in the tunnel, during the blasting operation, open pressure wind pipeline valve, fresh air forms the poisonous and harmful gas of fresh air curtain in order to keep apart the blasting production to the shelter inner space through the fresh air discharging device on the positive backplate to provide fresh air for the personnel in the shelter. The operating personnel sees through explosion-proof glass observation window and observes the poisonous and harmful gas detecting instrument of placing on portable observation device, and when harmful gas concentration reduced to below the specified value in the wind current, personnel can leave the shelter and carry out other operations.
When the tunnel does not have the blast operation, the side guard plate is parallel connection state through articulated and positive backplate to place whole in tunnel one side, do not influence the operation space. The number of underground coal mines in China is large, the roadway blasting and tunneling operation is indispensable, the blasting protection shelter is a main protection facility for personnel in the blasting process, the facility capable of carrying out multiple protection on the human body is beneficial to the personal safety, and the market prospect is wide in view of human-oriented and safe production.
The front and side guard plates are hinged and connected, can be freely opened and closed, form a semi-closed space during operation, and can be stored and placed without occupying the space of a roadway when not in operation. The positive guard plate is provided with an explosion-proof transparent observation window, and monitoring data and other conditions of toxic and harmful gases outside the mask body can be observed.
Fresh air discharging equipment include exhaust pipe, exhaust pipe is the rectangle setting on the inside wall of positive backplate, is equipped with a plurality of exhaust vents on the exhaust pipe body, body one side is equipped with the connector of saving oneself of compressed air, saves oneself the connector through compressed air, high-pressure rubber pipe and relief pressure valve and is connected with the compressed air pipeline valve in the tunnel.
The inner side of the positive guard plate is provided with a fixed pipeline and an air outlet, and a fresh air curtain can be formed by supplying air through the mine air compression system during blasting operation, so that toxic and harmful gases are isolated, and fresh air is provided for operating personnel.
The portable observation device comprises a portable instrument support and a portable gas detector, wherein the portable instrument support is fixed on the outer side of the positive protection plate, and the portable gas detector is arranged on the portable instrument support.
The supporting mechanism comprises a hook, a movable joint and a fixed connecting rod, the movable joint is fixed on the side protection plate, one end of the fixed connecting rod is rotatably connected with the movable joint, and the other end of the fixed connecting rod is connected with the hook.
The side guard plate is provided with a push-pull handle.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the utility model discloses change the protection form of traditional blasting shelter, adopt foldable protector, form the space of a relative isolation in the tunnel, during the blasting operation, open pressure wind pipeline valve, fresh air forms the poisonous and harmful gas of fresh air curtain in order to keep apart the blasting production to the shelter inner space through the fresh air discharging device on the positive backplate to provide fresh air for the personnel in the shelter. The operating personnel sees through explosion-proof glass observation window and observes the poisonous and harmful gas detecting instrument of placing on portable observation device, and when harmful gas concentration reduced to below the specified value in the wind current, personnel can leave the shelter and carry out other operations.
When the tunnel does not have the blast operation, the side guard plate is parallel connection state through articulated and positive backplate to place whole in tunnel one side, do not influence the operation space. The number of underground coal mines in China is large, the roadway blasting and tunneling operation is indispensable, the blasting protection shelter is a main protection facility for personnel in the blasting process, the facility capable of carrying out multiple protection on the human body is beneficial to the personal safety, and the market prospect is wide in view of human-oriented and safe production.
Drawings
FIG. 1 is a schematic view of a coal mine underground roadway blasting protection shelter in a structural front view in a spreading state.
Fig. 2 is a rear view schematic diagram of a coal mine underground roadway blasting protection shelter in a spreading state structure.
FIG. 3 is a schematic view of the usage state of a coal mine underground roadway blasting protection shelter.
The device comprises a side guard plate 1, a side guard plate 2, an articulated shaft 3, a portable instrument support 4, a front guard plate 5, an explosion-proof glass window 6, a compressed air self-rescue interface 7, an air outlet hole 8, an exhaust pipeline 9, a hook 10, a movable joint 11, a fixed connecting rod 12 and a roadway blasting operation working face.
Detailed Description
Fig. 1 to 3 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 3.
Referring to the attached figures 1-3: the utility model provides a colliery underworkings blasting protection shelter, is including erecting side guard plate 1 and positive backplate 4 of putting, and positive backplate 4 two vertical sides articulate tunnel lateral wall and 1 side of side guard plate respectively, is equipped with explosion-proof glass window 5 on positive backplate 4, and 5 inboards of explosion-proof glass window are equipped with fresh air discharging equipment, and the outside is equipped with portable observation device, and 1 inboard of side guard plate is equipped with rotatable and hangs the supporting mechanism who connects the tunnel lateral wall.
Fresh air discharging equipment includes exhaust pipe 8, and exhaust pipe 8 is the rectangle setting on the inside wall of positive backplate 4, is equipped with a plurality of exhaust vents 7 on the 8 bodys of exhaust pipe, and body one side is equipped with pressure wind interface of saving oneself 6, is connected with the pressure wind pipeline valve in the tunnel through pressure wind interface of saving oneself 6, high-pressure rubber pipe and relief pressure valve.
The portable observation device comprises a portable instrument support 3 and a portable gas detector, wherein the portable instrument support 3 is fixed on the outer side of the positive protection plate 4, and the portable gas detector is placed on the portable instrument support 3.
The supporting mechanism comprises a hook 9, a movable joint 10 and a fixed connecting rod 11, the movable joint 10 is fixed on the side guard plate 1, one end of the fixed connecting rod 11 is rotatably connected with the movable joint 10, and the other end of the fixed connecting rod is connected with the hook 9. The side guard plate 1 is provided with a push-pull handle.
The working process and the working principle are as follows: during tunnel blasting operation, the front guard plate 4 is vertically and fixedly hinged or fixedly connected with a tunnel wall, the side guard plate 1 is vertically connected with the front guard plate 4 through the hinged shaft 2, the fixed connecting rod 11 is connected with an anchor net or other fixed objects on the tunnel wall through the hook 9 to play a supporting role, the compressed air self-rescue interface 6 is connected with a compressed air pipeline valve in a tunnel through a high-pressure rubber pipe and a pressure reducing valve, and a portable instrument support 3 positioned on the outer side of the front guard plate 4 is used for placing a CO or nitrogen oxide portable instrument. When the working face 12 of the tunnel blasting operation works, the valve of the compressed air pipeline is opened, fresh air passes through the exhaust pipeline 8 and the air outlet 7 on the front protection plate 4, a fresh air curtain is formed in the space in the shelter to isolate toxic and harmful gases generated by blasting, and fresh air is provided for personnel in the shelter. The operating personnel sees through explosion-proof glass window 5, observes the poisonous and harmful gas detecting instrument of placing on portable appearance support 3, and when harmful gas concentration reduced to below the specified value in the wind current, the personnel can leave the bunker and carry out other operations.
When the tunnel does not have the blasting operation, side guard plate 1 is parallel connection state through articulated shaft 2 and positive backplate 4 to place whole in tunnel one side, do not influence the operation space. The number of underground coal mines in China is large, the roadway blasting and tunneling operation is indispensable, the blasting protection shelter is a main protection facility for personnel in the blasting process, the facility capable of carrying out multiple protection on the human body is beneficial to the personal safety, and the market prospect is wide in view of human-oriented and safe production.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. A coal mine underground roadway blasting protection shelter is characterized in that: including side guard plate (1) and positive backplate (4) of erectting putting, positive backplate (4) two vertical sides articulate tunnel lateral wall and side guard plate (1) side respectively, are equipped with explosion-proof glass window (5) on positive backplate (4), and explosion-proof glass window (5) inboard is equipped with fresh air discharging equipment, and the outside is equipped with portable observation device, and side guard plate (1) inboard is equipped with rotatable and hangs the supporting mechanism who connects the tunnel lateral wall.
2. The coal mine underground roadway blasting protection shelter of claim 1, wherein: fresh air discharging equipment include exhaust pipe (8), exhaust pipe (8) are the rectangle setting on the inside wall of positive backplate (4), be equipped with a plurality of exhaust vents (7) on exhaust pipe (8) body, body one side is equipped with pressure wind interface of saving oneself (6), save oneself the interface through pressing wind (6), high-pressure rubber pipe and relief pressure valve and the pressure wind pipeline valve in the tunnel is connected.
3. The coal mine underground roadway blasting protection shelter of claim 1, wherein: the portable observation device comprises a portable instrument support (3) and a portable gas detector, wherein the portable instrument support (3) is fixed on the outer side of the positive protection plate (4), and the portable gas detector is arranged on the portable instrument support (3).
4. The coal mine underground roadway blasting protection shelter of claim 1, wherein: the supporting mechanism comprises a hook (9), a movable joint (10) and a fixed connecting rod (11), the movable joint (10) is fixed on the side guard plate (1), one end of the fixed connecting rod (11) is rotatably connected with the movable joint (10), and the other end of the fixed connecting rod is connected with the hook (9).
5. The coal mine underground roadway blasting protection shelter of claim 1, wherein: the side guard plate (1) is provided with a push-pull handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020637689.XU CN212058513U (en) | 2020-04-24 | 2020-04-24 | Coal mine underground roadway blasting protection shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020637689.XU CN212058513U (en) | 2020-04-24 | 2020-04-24 | Coal mine underground roadway blasting protection shelter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212058513U true CN212058513U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020637689.XU Expired - Fee Related CN212058513U (en) | 2020-04-24 | 2020-04-24 | Coal mine underground roadway blasting protection shelter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212058513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710204A (en) * | 2021-01-12 | 2021-04-27 | 闫亚鹏 | Explosion protector for mining engineering and use method thereof |
-
2020
- 2020-04-24 CN CN202020637689.XU patent/CN212058513U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710204A (en) * | 2021-01-12 | 2021-04-27 | 闫亚鹏 | Explosion protector for mining engineering and use method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 Termination date: 20210424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |