CN210343429U - Mine catastrophe area quick closing device with impact resistance - Google Patents
Mine catastrophe area quick closing device with impact resistance Download PDFInfo
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- CN210343429U CN210343429U CN201920809482.3U CN201920809482U CN210343429U CN 210343429 U CN210343429 U CN 210343429U CN 201920809482 U CN201920809482 U CN 201920809482U CN 210343429 U CN210343429 U CN 210343429U
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- constructional column
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- steel door
- mine
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Abstract
The utility model discloses a mine catastrophe is regional quick obturator with impact resistance, keep apart the steel door including first isolation steel door and second, first isolation steel door and second keep apart and are provided with a plurality of flat foam air bags between the steel door, are provided with flat nitrogen gas gasbag between two adjacent flat foam air bags. The utility model relates to a novelty is reasonable, it is solid to set up flat foam air bag and flat nitrogen gas gasbag through the interval between two isolation steel doors, the airtight structure of gas compartment formula gasbag, can effectively reduce the size of single gasbag, the staff of being convenient for installs fast, set up second constructional column and third constructional column in mine tunnel simultaneously, make and form a cusp meshing between flat foam air bag and the flat nitrogen gas gasbag and the coal wall, can effectively improve the device's shock resistance, can cut off accident chain reaction fast effectively, avoid poisonous and harmful gas's diffusion.
Description
Technical Field
The utility model belongs to the technical field of the regional quick airtight of catastrophe, concretely relates to regional quick obturator of mine catastrophe with impact resistance.
Background
In recent years, with the integration of national coal, comprehensive mechanization is also applied to underground large-scale, and the possibility and the destructiveness of underground accidents are deepened to different degrees, especially in the aspects of gas explosion, coal dust explosion and underground fire. When a fire accident occurs in a coal mine, the mine is very easy to cause thermal power disasters, so that an area where the disaster occurs needs to be quickly found, a related roadway where the disaster occurs needs to be found, a corresponding emergency plan is started to control the wind flow of the disaster area, and an oxygen supply channel of the disaster area is cut off. In current quick closing device, the conventional way is exactly to adopt the plank to seal, transversely in needs inclosed tunnel, several wooden poles are taken vertically, the plank nail is on the wooden pole, toward filling three-phase foam material in the middle of the plank, but its seal and intensity nature are hardly ensured to quick airtight of this kind of mode, and be in dangerous environment at the in-process staff who constructs the plank, very danger, in case take place gas explosion, during secondary disasters such as coal dust explosion, airtight destruction under the effect of shock wave is extremely easy, the development and the spreading of disaster area accident can't be controlled effectively, let alone guarantee staff's safety, property safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a rapid sealing device with impact resistance for the mine catastrophe area aiming at the defects in the prior art, the design is novel and reasonable, the flat foam air bags and the flat nitrogen air bags are arranged between the two isolating steel doors at intervals to form a solid-air interval type air bag closed structure, the size of each air bag can be effectively reduced, the rapid installation of workers is facilitated, meanwhile, a second constructional column and a third constructional column are arranged in a mine roadway, so that a toothed meshing is formed between the flat foam air bag and the flat nitrogen air bag and between the coal wall, the sealing performance and the impact resistance of the sealing device can be effectively improved, the accident chain reaction can be quickly and effectively blocked, the diffusion of toxic and harmful gases is avoided, the safety of personnel and property in other areas except disaster areas is ensured, and the popularization and the use are convenient.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a quick closing means in mine catastrophe area with shock resistance which characterized in that: the isolation door assembly comprises a first isolation steel door close to a catastrophe area and a second isolation steel door far away from the catastrophe area, a plurality of flat foam air bags are arranged between the first isolation steel door and the second isolation steel door, a flat nitrogen air bag is arranged between every two adjacent flat foam air bags, a foam generating device is arranged on one side, far away from the catastrophe area, of the second isolation steel door, the foam generating device is communicated with the flat foam air bags through a foam injection pipeline, the foam injection pipeline is arranged on one side of a mine roadway along the extension direction of the mine roadway, a nitrogen injection pipeline is arranged on the other side of the mine roadway, the nitrogen injection pipeline is arranged along the extension direction of the mine roadway and is communicated with the flat nitrogen air bags, and balance hammers for controlling the opening and closing of the first isolation steel door and the second isolation steel door are respectively installed on the first isolation steel door and the second isolation steel door, the first isolation steel door and the second isolation steel door are installed in a mine roadway through first constructional columns, second constructional columns are arranged between one side, close to a foam injection pipeline, of the flat foam air bags and the mine roadway, one side of each flat foam air bag is installed on a coal wall in the mine roadway, the other side of each flat foam air bag is installed on the second constructional column, third constructional columns are arranged between one side, close to a nitrogen injection pipeline, of each flat nitrogen air bag and the mine roadway, one side of each flat nitrogen air bag is installed on the coal wall in the mine roadway, the other side of each flat nitrogen air bag is installed on the third constructional column, the first constructional columns are embedded in the coal wall in the mine roadway, and the second constructional columns and the third constructional columns are embedded in the coal wall of the mine roadway and protrude out to the surface of the coal wall of the mine roadway.
The quick closing device with impact resistance for the mine catastrophe area is characterized in that: the flat foam air bag and the flat nitrogen air bag are identical in structure and are both flame-retardant flat air bags.
The quick closing device with impact resistance for the mine catastrophe area is characterized in that: and a foam storage tank matched with the foam generating device is arranged on one side of the foam generating device.
The quick closing device with impact resistance for the mine catastrophe area is characterized in that: the outer side of the first constructional column is flush with the surface of the coal wall of the mine roadway, the volume of the second constructional column and the volume of the third constructional column which are embedded in the coal wall of the mine roadway are 2/3 of the volume of the second constructional column and the volume of the third constructional column, the width of the second constructional column is smaller than the thickness of the flat foam air bag after the flat foam air bag is expanded, and the width of the third constructional column is smaller than the thickness of the flat nitrogen air bag after the flat nitrogen air bag is expanded.
The quick closing device with impact resistance for the mine catastrophe area is characterized in that: both sides of the flat foam air bag and the flat nitrogen air bag are provided with hanging belts.
The quick closing device with impact resistance for the mine catastrophe area is characterized in that: and hooks for hanging the belt are arranged on the second constructional column, the third constructional column and the coal wall of the mine roadway.
The quick closing device with impact resistance for the mine catastrophe area is characterized in that: the structure and the size of the first isolation steel door and the second isolation steel door are the same, and a transverse reinforcing rod is arranged on one side, far away from the catastrophe area, of the first isolation steel door and the second isolation steel door.
The quick closing device with impact resistance for the mine catastrophe area is characterized in that: the transverse reinforcing rod is clamped between the two first constructional columns, and clamping grooves for clamping the transverse reinforcing rod are formed in the first constructional columns.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up two isolation steel doors in mine tunnel and be used for keeping apart the catastrophe region to all be provided with the counter weight on two isolation steel doors and be used for controlling it to open and closed, when taking place the calamity in the pit, the counter weight that puts down that can be quick realizes keeping apart the quick airtight of steel door, guarantees that the workman is in relative safe environment carrying out the inclosed in-process in catastrophe region, can also reduce workman's intensity of labour, saves time, and is convenient fast, reliable stable.
2. The utility model discloses a spacing sets up a plurality of flat foam air bags between steel door is kept apart to first isolation steel door and second to set up a flat nitrogen gas gasbag between per two adjacent flat foam air bags and form admittedly, the airtight structure of gas spaced type gasbag, can adapt to the mine tunnel of various shapes and it has good seal and impact resistance, crisscross the laying between a plurality of flat foam air bags and the flat nitrogen gas gasbag, can effectively reduce the size of single gasbag, the staff of being convenient for installs fast.
3. The utility model discloses an it installs flat foam airbag to inlay dress second constructional column on one side coal wall in mine tunnel, it installs flat nitrogen gas gasbag to inlay dress third constructional column on the opposite side coal wall in mine tunnel simultaneously, can make flat foam airbag and flat nitrogen gas gasbag stagger each other, second constructional column and third constructional column all bulge to the coal wall outside, can make and form a cusp meshing between flat foam airbag and the flat nitrogen gas gasbag and the coal wall, thereby increase the resistance between flat foam airbag and flat nitrogen gas gasbag and the coal wall, improve this enclosed construction's shock resistance.
4. The utility model discloses an inlay in the coal wall in the mine tunnel and adorn first constructional column and install two isolation steel doors, can effectively keep apart the installation steadiness of steel door, improve the device's security performance.
To sum up, the utility model relates to a novel reasonable, it is solid to set up flat foam airbag and flat nitrogen gas gasbag through the interval between two isolation steel doors and form, the airtight structure of gas compartment formula gasbag, can effectively reduce the size of single gasbag, the staff of being convenient for installs fast, set up second constructional column and third constructional column in the mine tunnel simultaneously, make and form a cusp meshing between flat foam airbag and flat nitrogen gas gasbag and the coal wall, can effectively improve this obturator's seal and impact resistance, can cut off accident chain reaction fast effectively, avoid poisonous harmful gas's diffusion, guarantee to remove except the area of suffering from a disaster, other regional personnel's property, safety, convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the device of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1 along the length of the mine roadway.
Fig. 3 is a schematic structural diagram of the flat foam air bag (flat nitrogen air bag) of the present invention.
Fig. 4 is a schematic view of an installation structure of a second constructional column of the present invention.
Fig. 5 is a schematic view of an installation structure of a third constructional column of the present invention.
Fig. 6 is a schematic view of the connection relationship between the first isolation steel door (second isolation steel door) and the first constructional column according to the present invention.
Fig. 7 is a schematic structural view of a slot on a first constructional column according to the present invention.
Description of reference numerals:
1-mine tunnel; 2-1-a first insulated steel door; 2-a second insulated steel door;
3-flat foam air bag; 4-flat nitrogen gas bag; 5-a foam generating device;
6-a bubble injection pipeline; 7-nitrogen injection pipeline; 8-a first construction column;
9 — a second constructional column; 10-a third constructional column; 11-a foam storage tank;
12-hanging hooks; 13-transverse reinforcement bars; 14-a card slot;
15-hanging the belt.
Detailed Description
As shown in fig. 1 and 2, the utility model comprises an isolation door assembly arranged in a mine tunnel 1 for isolating a catastrophe area, wherein the isolation door assembly comprises a first isolation steel door 2-1 close to the catastrophe area and a second isolation steel door 2-2 far away from the catastrophe area, a plurality of flat foam air bags 3 are arranged between the first isolation steel door 2-1 and the second isolation steel door 2-2, a flat nitrogen air bag 4 is arranged between two adjacent flat foam air bags 3, a foam generating device 5 is arranged on one side of the second isolation steel door 2-2 far away from the catastrophe area, the foam generating device 5 is communicated with the flat foam air bags 3 through a foam injection pipeline 6, the foam injection pipeline 6 is arranged on one side of the mine tunnel 1 along the extending direction of the mine tunnel 1, the other side of the mine tunnel 1 is provided with a nitrogen injection pipeline 7, the nitrogen injection pipeline 7 is arranged along the extending direction of the mine roadway 1 and is communicated with a plurality of flat nitrogen airbags 4, the first isolation steel door 2-1 and the second isolation steel door 2-2 are both provided with a balance weight for controlling the opening and closing of the first isolation steel door 2-1 and the second isolation steel door 2-2, the first isolation steel door 2-1 and the second isolation steel door 2-2 are both arranged in the mine roadway 1 through a first constructional column 8, a second constructional column 9 is arranged between one side of the flat foam airbag 3 close to the foam injection pipeline 6 and the mine roadway 1, one side of the flat foam airbag 3 is arranged on a coal wall in the mine roadway 1, the other side of the flat foam airbag 3 is arranged on the second constructional column 9, a third constructional column 10 is arranged between one side of the flat nitrogen airbag 4 close to the nitrogen injection pipeline 7 and the mine roadway 1, one side of the flat nitrogen airbag 4 is arranged on the coal wall in the mine roadway 1, the other side of the flat nitrogen airbag 4 is installed on a third constructional column 10, the first constructional column 8 is embedded in the coal wall in the mine roadway 1, and the second constructional column 9 and the third constructional column 10 are both embedded in the coal wall in the mine roadway 1 and protrude out of the surface of the coal wall in the mine roadway 1.
During the in-service use, through set up two isolation steel doors in mine tunnel 1 and be used for keeping apart the catastrophe region to all be provided with the counter weight on two isolation steel doors and be used for controlling it to open and closed, when taking place the calamity in the pit, the counter weight that puts down that can be quick, the realization is kept apart the quick airtight of steel door, guarantee that the workman is in relative safe environment carrying out the inclosed in-process in catastrophe region, can also reduce workman's intensity of labour, save time, it is quick convenient, reliable and stable.
It should be noted that a plurality of flat foam air bags 3 are arranged between the first isolation steel door 2-1 and the second isolation steel door 2-2 at intervals, and a flat nitrogen air bag 4 is arranged between every two adjacent flat foam air bags 3 to form a solid-air interval type air bag airtight structure, so that the air bag airtight structure can adapt to mine roadways with various shapes and has good airtightness and impact resistance, the flat foam air bags 3 and the flat nitrogen air bags 4 are arranged in a staggered mode, the size of each air bag can be effectively reduced, and workers can conveniently and quickly install the air bag airtight structure.
Particularly, the second constructional column 9 is embedded in one coal wall of the mine roadway 1 to install the flat foam air bag 3, the third constructional column 10 is embedded in the other coal wall of the mine roadway 1 to install the flat nitrogen air bag 4, the flat foam air bag 3 and the flat nitrogen air bag 4 can be separately arranged, the flat foam air bag 3 and the flat nitrogen air bag 4 can be arranged in a staggered mode, the second constructional column 9 and the third constructional column 10 are both protruded to the outer side of the coal wall, toothed meshing can be formed between the flat foam air bag 3 and the flat nitrogen air bag 4 and the coal wall, accordingly, the resistance between the flat foam air bag 3 and the flat nitrogen air bag 4 and the coal wall is increased, and the impact resistance of the closed structure is improved.
In this embodiment, the number of the second constructional columns 9 is equal to that of the flat foam air bags 3, and the number of the third constructional columns 10 is equal to that of the flat nitrogen air bags 4.
During the in-service use, inlay in the coal wall through in mine tunnel 1 and adorn first constructional column 8 and install two isolation steel doors, can effectively keep apart the installation steadiness of steel door, improve the device's security performance.
In this embodiment, the first isolation steel door 2-1 and the second isolation steel door 2-2 both adopt two door structures that open in the same direction, and the second isolation steel door 2-2 is arranged on one side of the first isolation steel door 2-1 along the edge far away from the catastrophe region, and the distance between the two is not less than 10 m.
During the in-service use, through keeping apart steel door flat foam gasbag 3 and flat nitrogen gas gasbag 4 mutually supporting with two and realizing the airtight isolation in catastrophe region, can effectively block spreading of poisonous and harmful gas, win the time for the rescue work of disaster relief, finally ensure personnel and property safety in other regions.
In this embodiment, when the cross-sectional area of the mine tunnel 1 is less than 15m2When the number of the flat foam air bags 3 and the number of the flat nitrogen air bags 4 are 5, the cross section area of the mine roadway 1 is more than 15m2And less than 30m2When the number of the flat foam air bags 3 and the number of the flat nitrogen air bags 4 are 5-20, and when the sectional area of the mine roadway 1 is more than 30m2And the sum of the number of the flat foam air bags 3 and the number of the flat nitrogen air bags 4 is more than 20.
In actual use, the bubble injection pipeline 6 is positioned at the upper part of the second construction column 9, and the nitrogen injection pipeline 7 is positioned above the third construction column 10.
In this embodiment, the flat foam airbag 3 and the flat nitrogen airbag 4 have the same structure and are both flame-retardant flat airbags.
During the in-service use, flat foam airbag 3 and flat nitrogen gas gasbag 4 all adopt antifriction, resistant extruded fire-retardant flat gasbag preparation to form, the cross sectional area of flat foam airbag 3 is greater than the cross sectional area of the mine tunnel 1 who installs second constructional column 9, can carry out the cladding with the edges and corners position of second constructional column 9 after 3 open of flat foam airbag, improve airtight effect, can carry out the cladding with the edges and corners position of third constructional column 10 after 4 open of flat nitrogen gas gasbag.
It should be noted that the flat foam air bag 3 is provided with a foam injection hole, the foam injection hole is communicated with the foam injection pipeline 6, the flat nitrogen air bag 4 is provided with a nitrogen injection hole, and the nitrogen injection hole is communicated with the nitrogen injection pipeline 7.
In this embodiment, the total volume of the expanded flat foam air bag 3 and the expanded flat nitrogen air bag 4 is larger than the volume of the mine roadway 1 between the two isolation steel doors, so that the flat foam air bag 3 and the flat nitrogen air bag 4 are ensured to be completely sealed.
In this embodiment, a foam storage tank 11 is disposed on one side of the foam generator 5.
During the in-service use, foam generator 5 is this ampere of type foam generator, foam generator that foam generator in the foam holding vessel 11 adopted has expansibility and fire resistance, guarantees even leak and also can not bring secondary pollution to the coal mine environment, annotate bubble pipeline 6 and annotate nitrogen pipeline 7 and be high pressure resistant pipeline.
In this embodiment, the outer side of the first constructional column 8 is flush with the surface of the coal wall of the mine roadway 1, the volumes of the second constructional column 9 and the third constructional column 10 embedded in the coal wall of the mine roadway 1 are 2/3 of the volume of the second constructional column 9 and the third constructional column 10, the width of the second constructional column 9 is smaller than the thickness of the flat foam air bag 3 after being opened, and the width of the third constructional column 10 is smaller than the thickness of the flat nitrogen air bag 4 after being opened.
In actual use, 2/3 of the volume of the second and third structural columns 9, 10 are embedded in the coal wall, so that the integrity between the second and third structural columns 9, 10 and the coal wall can be improved, and the impact resistance of the whole device can be improved.
It should be noted that, the width of the second constructional column 9 is smaller than the thickness of the flat foam air bag 3 after being opened, that is, the width of the second constructional column 9 is slightly smaller than the distance between two adjacent third constructional columns 10, the width of the third constructional column 10 is slightly smaller than the distance between two adjacent second constructional columns 9, so that the surfaces of the second constructional column 9 and the flat foam air bag 3 and the surfaces of the third constructional columns 10 and the flat nitrogen air bag 4 can be completely attached to each other, the flat foam air bag 3 completely wraps the exposed surface of the second constructional column 9, and the flat nitrogen air bag 4 completely wraps the exposed surface of the third constructional column 10, thereby improving the overall sealing effect.
In the present embodiment, as shown in fig. 3, two sides of the flat foam air bag 3 and the flat nitrogen air bag 4 are provided with hanging belts 15.
In actual use, each side of the flat foam air bag 3 and the flat nitrogen air bag 4 is provided with three hanging belts 15 from top to bottom.
As shown in fig. 4 and 5, in the present embodiment, hooks 12 for hanging belts 15 are provided on the second constructional column 9, the third constructional column 10 and the coal wall of the mine tunnel 1.
During the in-service use, both sides through at flat foam gasbag 3 and flat nitrogen gas gasbag 4 all are provided with string area 15, at second constructional column 9, all be provided with on the coal wall of third constructional column 10 and mine tunnel 1 and supply to hang the couple 12 that the area 15 hung and establish, fix flat foam gasbag 3 and flat nitrogen gas gasbag 4 through couple 12 and string area 15, can avoid flat foam gasbag 3 and flat nitrogen gas gasbag 4 because of the compliance of self is uncontrolled at the inflation in-process, enable flat foam gasbag 3 and flat nitrogen gas gasbag 4 and perfect agree with in tunnel, improve airtight effect.
As shown in fig. 6, in this embodiment, the first and second isolating steel doors 2-1 and 2-2 have the same structure and size, and the first and second isolating steel doors 2-1 and 2-2 are provided with transverse reinforcing rods 13 on the sides away from the catastrophic area.
During the in-service use, all be provided with horizontal reinforcement bar 13 through keeping away from one side in the catastrophe region on two keep apart steel doors, can further consolidate keeping apart the steel door, improve the bulk strength who keeps apart the steel door.
In the present embodiment, as shown in fig. 7, the transverse reinforcing rod 13 is clamped between two first constructional columns 8, and the first constructional columns 8 are provided with clamping grooves 14 for clamping the transverse reinforcing rod 13.
In practical use, the clamping grooves 14 are gradually inclined inwards from the surface of the first constructional column 8, when the first isolation steel door 2-1 and the second isolation steel door 2-2 are reinforced, only the two ends of the transverse reinforcing rod 13 need to be respectively pushed inwards from the notches of the two clamping grooves 14, the transverse reinforcing rod 13 is made to slide to the bottom of the clamping grooves 14, and then the two ends of the transverse reinforcing rod 13 are clamped in the two clamping grooves 14.
The utility model discloses during the in-service use, the catastrophe position that easily takes place the catastrophe in mine tunnel 1 is determined according to the data that the calamity took place for many years in the mine, and keep apart steel door 2-2 at this catastrophe position installation first isolation steel door 2-1 and second, make first isolation steel door 2-1 and second keep apart the distance between the steel door 2-2 and be not less than 10m, when the catastrophe takes place, close first isolation steel door 2-1, keep apart between steel door 2-2 at first isolation steel door 2-1 and second and alternately install flat foam gasbag 3 and flat nitrogen gas gasbag 4 in proper order, treat that flat foam gasbag 3 and flat nitrogen gas gasbag 4 are all installed after, close second isolation steel door 2-2, accomplish the airtight in catastrophe region.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (8)
1. The utility model provides a quick closing means in mine catastrophe area with shock resistance which characterized in that: the isolation door assembly comprises an isolation door assembly arranged in a mine roadway (1) and used for isolating a catastrophe area, wherein the isolation door assembly comprises a first isolation steel door (2-1) close to the catastrophe area and a second isolation steel door (2-2) far away from the catastrophe area, a plurality of flat foam air bags (3) are arranged between the first isolation steel door (2-1) and the second isolation steel door (2-2), a flat nitrogen air bag (4) is arranged between every two adjacent flat foam air bags (3), a foam generating device (5) is arranged on one side, far away from the catastrophe area, of the second isolation steel door (2-2), the foam generating device (5) is communicated with the flat foam air bags (3) through a foam injection pipeline (6), and the foam injection pipeline (6) is arranged on one side of the mine roadway (1) along the extension direction of the mine roadway (1), the device is characterized in that a nitrogen injection pipeline (7) is arranged on the other side of the mine roadway (1), the nitrogen injection pipeline (7) is arranged along the extending direction of the mine roadway (1) and is communicated with a plurality of flat nitrogen airbags (4), balance weights for controlling the opening and closing of the first isolation steel door (2-1) and the second isolation steel door (2-2) are arranged on the first isolation steel door (2-1) and the second isolation steel door (2-2), a second constructional column (9) is arranged between one side, close to the foam injection pipeline (6), of the flat foam airbag (3) and the mine roadway (1), one side of the flat foam airbag (3) is arranged on the coal wall in the mine roadway (1), the other side of the flat foam airbag (3) is arranged on the second constructional column (9), be provided with third constructional column (10) between one side that is close to on flat nitrogen gas bag (4) and mine tunnel (1) of annotating nitrogen pipeline (7), install on the coal wall in mine tunnel (1) one side of flat nitrogen gas bag (4), the opposite side of flat nitrogen gas bag (4) is installed on third constructional column (10), first constructional column (8) are inlayed and are adorned in the coal wall in mine tunnel (1), second constructional column (9) and third constructional column (10) all inlay and are adorned in the coal wall in mine tunnel (1) and it all projects to the coal wall surface in mine tunnel (1).
2. The rapid closing device with impact resistance for the catastrophe areas of the mines as claimed in claim 1, wherein: the flat foam air bag (3) and the flat nitrogen air bag (4) have the same structure and are both flame-retardant flat air bags.
3. The rapid closing device with impact resistance for the catastrophe areas of the mines as claimed in claim 1, wherein: and a foam storage tank (11) matched with the foam generating device is arranged on one side of the foam generating device (5).
4. The rapid closing device with impact resistance for the catastrophe areas of the mines as claimed in claim 1, wherein: the outer side of the first constructional column (8) is flush with the surface of the coal wall of the mine roadway (1), the volume of the second constructional column (9) and the volume of the third constructional column (10) embedded in the coal wall of the mine roadway (1) are 2/3 of the volume of the second constructional column (9) and the volume of the third constructional column (10) are respectively equal to the volume of the second constructional column, the width of the second constructional column (9) is smaller than the thickness of the flat foam air bag (3) after the flat foam air bag is expanded, and the width of the third constructional column (10) is smaller than the thickness of the flat nitrogen air bag (4).
5. The rapid closing device with impact resistance for the catastrophe areas of the mines as claimed in claim 1, wherein: both sides of the flat foam air bag (3) and the flat nitrogen air bag (4) are provided with hanging belts (15).
6. The rapid closing device with impact resistance for the catastrophe areas of the mines as claimed in claim 5, wherein: and hooks (12) for hanging belts (15) are arranged on the second constructional column (9), the third constructional column (10) and the coal wall of the mine roadway (1).
7. The rapid closing device with impact resistance for the catastrophe areas of the mines as claimed in claim 1, wherein: the structure and the size of the first isolation steel door (2-1) and the second isolation steel door (2-2) are the same, and a transverse reinforcing rod (13) is arranged on one side, far away from the catastrophe area, of the first isolation steel door (2-1) and the second isolation steel door (2-2).
8. The rapid closing device with impact resistance for the catastrophe areas of the mines as claimed in claim 7, wherein: the transverse reinforcing rod (13) is clamped between the two first constructional columns (8), and clamping grooves (14) for clamping the transverse reinforcing rod (13) are formed in the first constructional columns (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809482.3U CN210343429U (en) | 2019-05-30 | 2019-05-30 | Mine catastrophe area quick closing device with impact resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809482.3U CN210343429U (en) | 2019-05-30 | 2019-05-30 | Mine catastrophe area quick closing device with impact resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343429U true CN210343429U (en) | 2020-04-17 |
Family
ID=70185572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920809482.3U Expired - Fee Related CN210343429U (en) | 2019-05-30 | 2019-05-30 | Mine catastrophe area quick closing device with impact resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343429U (en) |
-
2019
- 2019-05-30 CN CN201920809482.3U patent/CN210343429U/en not_active Expired - Fee Related
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Granted publication date: 20200417 Termination date: 20210530 |