CN203847162U - Novel downhole refuge-chamber protective airtight door - Google Patents
Novel downhole refuge-chamber protective airtight door Download PDFInfo
- Publication number
- CN203847162U CN203847162U CN201420259529.0U CN201420259529U CN203847162U CN 203847162 U CN203847162 U CN 203847162U CN 201420259529 U CN201420259529 U CN 201420259529U CN 203847162 U CN203847162 U CN 203847162U
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- door
- door body
- cross reinforcing
- doorframe
- sealing ring
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Abstract
The utility model provides a novel downhole refuge-chamber protective airtight door comprising a door body and a door frame. The door frame is an elongated frame composed of a first L-shaped steel material by welding all around. The door body is of rectangular plate structure and is assembled in the door frame, one side of the door body is hinged on the door frame, a second L-shaped steel material is provided with a plurality of lock catches connected with the door frame, the lock catches are connected with a gear locking and driving mechanism on the door body, and a connecting rod fastens the lock catches on the door frame under the action of the gear locking and driving mechanism, so that edgefolds of the door body are abutted against a first flame-retardance sealing ring, and the first L-shaped steel material of the door frame is abutted against a second flame-retardance sealing ring. The novel downhole refuge-chamber protective airtight door has the advantages of simple structure, convenience in operation and low production cost, is capable of resisting to explosion, impact and high temperature, isolating poisonous gas and plays an important role in rescue.
Description
Technical field
The utility model relates to underground refuge chamber manufacturing technology field, relates in particular to a kind of Novel down-hole refuge chamber airtight blast door.
Background technology
In coal production process, there is the threat of the objective factors such as water, fire, gas, coal dust, top board in down-hole all the time, and the new Dangerous and Harmful Factors such as underground heat, corrosive substance, radioactive substance have also appearred in part mine.May there is high temperature, high humidity, high dust from flying, high gas density, corrosive gas in these regional environments, cause that calamity factor is many, danger classes is high, and the danger that catastrophe occurs is very large.
Country issues emergent danger avoiding system under shaft of coal mine implementation management temporary provisions according to " State Council is about the notice of further reinforcement enterprise safety operation work " (No. (2010) 23, promulgated by the State Council) spirit, formulates this regulation.Strengthen the requirement that adds of safety supervision and rescue equipment.As underground emergency danger-avoiding facility, in rescue equipment, refuge chamber is the equipment facility that emphasis is promoted, refuge chamber can be escape personnel a confined space that ensures life security is provided, as the airtight blast door of the first outpost of the tax office-refuge chamber of life support, direct relation the life security that enters staff after refuge chamber, can wait for rescue personnel to arrive, the first guarantee of safe escape mine disaster, externally can resist blast impulse, resist high temperature, completely cut off toxic and harmful, play vital effect for realizing rescue.
If existing underground refuge chamber protection airtight door will improve structural explode resistance ability, mainly with thickening door-plate materials, or reduce door-plate size, or add the modes such as gate panel back transverse and longitudinal rectangle reinforcing rib section area and realize, although also can improve certain impact resistance, but because steel using amount is large, exist product weight large, high in cost of production defect.Existing underground refuge chamber airtight blast door adopts gear drive to open, driving gear and driven gear are arranged on sealed door, in the time that sealed door is subject to impact force generation distortion, can impact infringement to the gear drive being fixed on a body inner surface, even cause the serious consequences such as gear dislocation is stuck, sealed door body cannot be opened.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of Novel down-hole refuge chamber airtight blast door, simple in structure, simple operation, cost of production is low, improve fire-retardant sealing effectiveness and the impact strength of door body, even in the time that door body is subject to impact force generation distortion, the phenomenon that there will not be a body to open.
A kind of Novel down-hole refuge chamber airtight blast door the utility model proposes, comprise a body and doorframe, doorframe is the rectangular shaped as frame being made up of the first L-type steel weld all around, the tabular structure of Men Tiwei rectangle, door body is assemblied in doorframe, on the first L-type steel, rib is enclosed in weld all around one, and the space between the first L-type steel and rib forms the first sealed groove, fills the first fire-retardant sealing ring in the first sealed groove, Men Ti edge is provided with the flanging to indoor, on the door body of indoor, the second L-type steel are enclosed in weld all around one, between the second L-type steel and flanging, space forms the second sealed groove, in the second sealed groove, fill the second fire-retardant sealing ring, weld by many walings, the many grill-shaped reinforcing rib frameworks that cross reinforcing forms at the door body back side, cross reinforcing comprises many first cross reinforcing, the second cross reinforcing and the 3rd cross reinforcings that are located along the same line and weld with waling, the first cross reinforcing is positioned at a body middle part, the second cross reinforcing lays respectively at the upper and lower of a body, the 3rd cross reinforcing is between the first cross reinforcing and the second cross reinforcing, the first cross reinforcing comprises the strip steel plate and the T steel plate that are disposed between waling, the second cross reinforcing is strip steel plate, and the 3rd cross reinforcing is T steel plate, Men Tiyi side is hinged on doorframe, the second L-type steel are provided with multiple locking clips that are connected with doorframe, locking clip is connected with the wheel gear locking transmission mechanism on door body by connecting rod, wheel gear locking transmission mechanism comprises the first handwheel that is positioned at a body front and the second handwheel that is positioned at a body back side, gear-box, in gear-box, be provided with main shaft and Duo Gen power transmission shaft, main shaft is used for connecting the first handwheel and the second handwheel, many power transmission shafts are arranged on the fixed head in gear-box, between main shaft and Duo Gen power transmission shaft, be connected by multilevel gear drive mechanism successively, connecting rod is arranged on the driven gear of final stage gear drive, connecting rod under the effect of gear drive, locking clamp is buckled be fastened on doorframe, reach by the flanging on door body and the first fire-retardant sealing ring offset, the first L-type steel and the second fire-retardant sealing ring of doorframe offset.
Preferably, the central axis of main shaft, many power transmission shafts is positioned on same vertical face.
Preferably, the first fire-retardant sealing ring, the second fire-retardant sealing ring are high temperature resistant oil resistant rubber seal trim strip.
Preferably, locking clip comprises the column being fixed on the second L-type steel, the hold down gag that is threaded in column, and hold down gag one end has the connector being connected with connecting rod, and hold down gag one end has door body is fastened on to the hold-down head on doorframe.
Preferably, T steel plate is made up of stave sheet and horizontal steel plate, and stave sheet is welded on a body.
The utlity model has simple in structure, simple operation, the advantage that cost of production is low, in the quantity and the position while that do not change reinforcing rib, cross reinforcing adopts T-steel plate to replace strip steel plate, and the rolled steel dosage that increases on a small quantity reinforcing rib opposite side tensile zone forms Novel grille shape reinforcing rib framework, makes sealed door body in the time being subject to percussion, can effectively bear shock loading, and ensure that sealed door body construction is intact; The former gear train that should be fixed on door-plate inner surface is fixed on fixed head by power transmission shaft, and sealed door is in the time being hit distortion like this, and distortion is difficult to be delivered on fixed head, thus the phenomenon that there will not be a body to open; Between door body and doorframe, adopt the fire-retardant sealing ring of twice, the flanging on the rib on doorframe and door body offsets with the fire-retardant sealing ring of twice respectively, and the sealing performance of a body is strengthened greatly; Adopt locking clip that door body is fastened on doorframe, locking clamp fastener has two hold-down heads that the reinforcing rib on body offsets with doorframe and door respectively, make the pressure of locking point solid and reliable, ensure the sealing performance of fire-retardant sealing ring, externally can resist blast impulse, resist high temperature, completely cut off toxic and harmful, play vital effect for realizing rescue.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of a kind of Novel down-hole refuge chamber airtight blast door that the utility model proposes.
Fig. 2 is the side structure schematic diagram of a kind of Novel down-hole refuge chamber airtight blast door that the utility model proposes.
Fig. 3 is the structural representation of a kind of Novel down-hole refuge chamber airtight blast door wheel gear locking transmission mechanism that the utility model proposes.
Fig. 4 is the structural representation that a kind of Novel down-hole refuge chamber airtight blast door that the utility model proposes is connected with doorframe.
Detailed description of the invention
As Figure 1-4, Fig. 1 is the main TV structure schematic diagram of a kind of Novel down-hole refuge chamber airtight blast door that the utility model proposes; Fig. 2 is the side structure schematic diagram of a kind of Novel down-hole refuge chamber airtight blast door that the utility model proposes; Fig. 3 is the structural representation of a kind of Novel down-hole refuge chamber airtight blast door wheel gear locking transmission mechanism that the utility model proposes; Fig. 4 is the structural representation that a kind of Novel down-hole refuge chamber airtight blast door that the utility model proposes is connected with doorframe.
With reference to Fig. 1-4, a kind of Novel down-hole refuge chamber airtight blast door the utility model proposes, comprise a body 1 and doorframe 3, the rectangular shaped as frame with hollow bulb of doorframe 3 for being formed by the first L-type steel weld all around, door body 1 is the tabular structure of rectangle, and door body 1 is greater than the hollow bulb of doorframe 3, and on the first L-type steel, rib 31 is enclosed in weld all around one, space between the first L-type steel and rib 31 forms the first sealed groove, fills the first fire-retardant sealing ring 32 in the first sealed groove, Men Ti 1 edge is provided with the flanging 15 to indoor, on the door body of indoor, the second L-type steel 17 are enclosed in weld all around one, between the second L-type steel 17 and flanging 15, space forms the second sealed groove, in the second sealed groove, fill the second fire-retardant sealing ring 16, weld by two walings 11, the many grill-shaped reinforcing rib frameworks that cross reinforcing forms at door body 1 back side, cross reinforcing comprises three the first cross reinforcings 12 that are located along the same line and weld with waling, the second cross reinforcing 13 and the 3rd cross reinforcing 14, the first cross reinforcing 12 is positioned at a body middle part, the second cross reinforcing 13 lays respectively at the upper and lower of a body, the 3rd cross reinforcing 14 is between the first cross reinforcing 12 and the second cross reinforcing 13, the first cross reinforcing 12 comprises the strip steel plate and the T steel plate that are disposed between waling, the second cross reinforcing 13 is strip steel plate, the 3rd cross reinforcing 14 is T steel plate, door body 1 one sides are hinged on doorframe 3, the second L-type steel 17 are provided with multiple locking clips 18 that are connected with doorframe 3, locking clip 18 is connected with the wheel gear locking transmission mechanism 2 on door body 1 by connecting rod 28, wheel gear locking transmission mechanism 2 comprises the first handwheel 23 that is positioned at a body front and the second handwheel 22 that is positioned at a body back side, gear-box 21, in gear-box 21, be provided with main shaft 24 and two power transmission shafts 25, 26, main shaft 24 is for connecting the first handwheel 23 and the second handwheel 22, two power transmission shafts 25, on 26 fixed heads 27 that are arranged in gear-box 21, main shaft 24, many power transmission shafts 25, 26 central axis is positioned on same vertical face, main shaft 24 is connected by the first gear drive 20 with a power transmission shaft 25 wherein, two power transmission shafts 25, between 26, be connected by the second gear drive 29, connecting rod 28 is arranged on the driven gear of the second gear drive 29, connecting rod 28 under the effect of gear drive, locking clip 18 is fastened on doorframe 3, reach by the flanging on door body 15 and the first fire-retardant sealing ring 32 offset, the first L-type steel and the second fire-retardant sealing ring 16 of doorframe 3 offset.In specific embodiment, the first gear drive 20, the second gear drive 29 are little transmission velocity ratio, are more convenient to the unlatching of a body 1.
In the utility model, the first fire-retardant sealing ring 32, the second fire-retardant sealing ring 16 are high temperature resistant oil resistant rubber seal trim strip.T steel plate is made up of stave sheet and horizontal steel plate, and stave sheet is welded on a body, and doubly, stave sheet height is 1.3-1.6 times of horizontal steel plate height to the 0.3-0.6 that stave sheet thickness is horizontal steel plate thickness, and stave sheet equates with the thickness of strip steel plate.
In the utility model, locking clip 18 comprises the column being fixed on the second L-type steel, the hold down gag that is threaded in column, hold down gag one end has the connector 182 being connected with connecting rod, and hold down gag one end has door body is fastened on to the hold-down head 181 on doorframe.
Compared with traditional door body, the utility model adopts Novel grille shape reinforcing rib framework, in the situation that door-plate side reinforcing rib is measure-alike, increases on a small quantity the rolled steel dosage of reinforcing rib opposite side tensile zone; Airtight blast door is in the situation that bearing uniform impingement load, and the maximum stress at reinforcing rib place has improved 15-25%, and quality only increases 1-3%.The utility model, in the situation that increasing small cost, significantly promotes the shock resistance of airtight blast door.Lock clip 18 simultaneously door body 1 is fastened on doorframe 3, ensure the sealing performance of fire-retardant sealing ring, externally can resist blast impulse, resist high temperature, completely cut off toxic and harmful, play vital effect for realizing rescue.
The above; it is only preferably detailed description of the invention of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. a Novel down-hole refuge chamber airtight blast door, it is characterized in that, comprise a body (1) and doorframe (3), the rectangular shaped as frame of doorframe (3) for being formed by the first L-type steel weld all around, door body (1) is the tabular structure of rectangle, door body (1) is assemblied in doorframe (3), on the first L-type steel, rib (31) is enclosed in weld all around one, space between the first L-type steel and rib (31) forms the first sealed groove, fills the first fire-retardant sealing ring (32) in the first sealed groove, door body (1) edge is provided with the flanging (15) to indoor, the second L-type steel (17) are enclosed in the upper weld all around one of door body (1) of indoor, between the second L-type steel (17) and flanging (15), space forms the second sealed groove, in the second sealed groove, fill the second fire-retardant sealing ring (16), the grill-shaped reinforcing rib frameworks in the welding of door body (1) back side by many walings (11), many cross reinforcing formations, cross reinforcing comprises many also first cross reinforcings (12) of same waling (11) welding that are located along the same line, the second cross reinforcing (13) and the 3rd cross reinforcing (14), the first cross reinforcing (12) is positioned at a body middle part, the second cross reinforcing (13) lays respectively at the upper and lower of a body, the 3rd cross reinforcing (14) is positioned between the first cross reinforcing (12) and the second cross reinforcing (14), the first cross reinforcing (12) comprises the strip steel plate and the T steel plate that are disposed between waling (11), the second cross reinforcing (13) is strip steel plate, the 3rd cross reinforcing (14) is T steel plate, door body (1) one side is hinged on doorframe (3), the second L-type steel (17) are provided with multiple locking clips (18) that are connected with doorframe, locking clip (18) is connected with the wheel gear locking transmission mechanism (2) on door body by connecting rod (28), wheel gear locking transmission mechanism (2) comprises the first handwheel (23) that is positioned at a body front and the second handwheel (22) that is positioned at a body back side, gear-box (21), in gear-box (21), be provided with main shaft (24) and many power transmission shafts, main shaft (24) is for connecting the first handwheel (23) and the second handwheel (22), many power transmission shafts are arranged on the fixed head (27) in gear-box, between main shaft (24) and many power transmission shafts, be connected by multilevel gear drive mechanism successively, connecting rod (28) is arranged on the driven gear of final stage gear drive, connecting rod (28) under the effect of gear drive, will lock clip (18) be fastened on doorframe, reach by the flanging (15) on door body (1) and the first fire-retardant sealing ring (32) offset, the first L-type steel and the second fire-retardant sealing ring (16) of doorframe (3) offset.
2. Novel down-hole refuge chamber airtight blast door according to claim 1, is characterized in that, the central axis of main shaft (24), many power transmission shafts is positioned on same vertical face.
3. Novel down-hole refuge chamber airtight blast door according to claim 1, is characterized in that, the first fire-retardant sealing ring (32), the second fire-retardant sealing ring (26) are high temperature resistant oil resistant rubber seal trim strip.
4. Novel down-hole refuge chamber airtight blast door according to claim 1, it is characterized in that, locking clip (18) comprises the column being fixed on the second L-type steel, the hold down gag that is threaded in column, hold down gag one end has the connector (182) being connected with connecting rod, and hold down gag one end has door body is fastened on to the hold-down head (181) on doorframe.
5. Novel down-hole refuge chamber airtight blast door according to claim 1, is characterized in that, T steel plate is made up of stave sheet and horizontal steel plate, and stave sheet is welded on a body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259529.0U CN203847162U (en) | 2014-05-20 | 2014-05-20 | Novel downhole refuge-chamber protective airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259529.0U CN203847162U (en) | 2014-05-20 | 2014-05-20 | Novel downhole refuge-chamber protective airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847162U true CN203847162U (en) | 2014-09-24 |
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ID=51560196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259529.0U Withdrawn - After Issue CN203847162U (en) | 2014-05-20 | 2014-05-20 | Novel downhole refuge-chamber protective airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847162U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033177A (en) * | 2014-05-20 | 2014-09-10 | 天长市远洋船舶设备有限公司 | Novel protecting air-tight door of underground refuge chamber |
| CN107916957A (en) * | 2017-12-11 | 2018-04-17 | 中铁第四勘察设计院集团有限公司 | A kind of totally enclosed type protection door system suitable for railway tunnel |
| CN108729816A (en) * | 2018-03-23 | 2018-11-02 | 无锡海德曼医疗设备有限公司 | Safety door |
-
2014
- 2014-05-20 CN CN201420259529.0U patent/CN203847162U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033177A (en) * | 2014-05-20 | 2014-09-10 | 天长市远洋船舶设备有限公司 | Novel protecting air-tight door of underground refuge chamber |
| CN107916957A (en) * | 2017-12-11 | 2018-04-17 | 中铁第四勘察设计院集团有限公司 | A kind of totally enclosed type protection door system suitable for railway tunnel |
| CN108729816A (en) * | 2018-03-23 | 2018-11-02 | 无锡海德曼医疗设备有限公司 | Safety door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |