CN104033177A - Novel protecting air-tight door of underground refuge chamber - Google Patents

Novel protecting air-tight door of underground refuge chamber Download PDF

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Publication number
CN104033177A
CN104033177A CN201410214149.XA CN201410214149A CN104033177A CN 104033177 A CN104033177 A CN 104033177A CN 201410214149 A CN201410214149 A CN 201410214149A CN 104033177 A CN104033177 A CN 104033177A
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China
Prior art keywords
door
door body
cross reinforcing
doorframe
gear
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CN201410214149.XA
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CN104033177B (en
Inventor
卢文龙
李博
蔡永茂
唐加昌
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Tianchang Ocean Shipping Equipment Co ltd
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TIANCHANG CITY OCEAN SHIPPING EQUIPMENT Co Ltd
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Priority to CN201410214149.XA priority Critical patent/CN104033177B/en
Publication of CN104033177A publication Critical patent/CN104033177A/en
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Publication of CN104033177B publication Critical patent/CN104033177B/en
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Abstract

The invention provides a novel protecting air-tight door of an underground refuge chamber. The novel protecting air-tight door comprises a door body and a door frame. The door frame is shaped like a strip-shaped frame formed by welding first L-shaped steel in an all-around mode. The door body is of a rectangular platy structure. The door body is assembled in the door frame. One side of the door body is hinged to the door frame. Second L-shaped steel is provided with a plurality of fastening toggle clips connected with the door frame. The fastening toggle clips are connected with a gear fastening transmission mechanism on the door body through connecting rods. The fastening toggle clips are fastened to the door frame by the connecting rods under the action of the gear fastening transmission mechanism so that a flange on the door body can abut against a first inflaming retarding seal ring and the first L-shaped steel of the door frame can abut against a second inflaming retarding seal ring. The novel protecting air-tight door has the advantages of being simple in structure, convenient and fast to operate, low in product cost, and capable of externally resisting explosive blasts, resisting high temperature and insulating poisonous and harmful gas, thereby playing a vital role in realizing rescue.

Description

A kind of Novel down-hole refuge chamber airtight blast door
Technical field
The present invention relates to underground refuge chamber manufacturing technology field, relate 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 issue emergent danger avoiding system under shaft of coal mine implementation management temporary provisions according to < < State Council notice > > (No. (2010) 23, the promulgated by the State Council) spirit about the work of further reinforcement enterprise safety operation, formulate this regulation.Strengthened 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, airtight blast door as 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, for realizing rescue, play vital effect.
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, when 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.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of Novel down-hole refuge chamber airtight blast door, simple in structure, simple operation, cost of production is low, improved fire-retardant sealing effectiveness and the impact strength of door body, even when 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 that the present invention proposes, comprise a body and doorframe, the rectangular shaped as frame of doorframe for being formed by the first L-type steel weld all around, the tabular structure of Men Tiwei rectangle, door body is assemblied in doorframe, weld all around one circle rib on the first L-type steel, 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, weld all around one circle the second L-type steel on the door body of indoor, 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, at the door body back side, weld by many walings, the many grill-shaped reinforcing rib frameworks that cross reinforcing forms, 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 strip steel plate and the T steel plate being 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 a plurality of 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, by multilevel gear drive mechanism, be connected 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 comprised of stave sheet and horizontal steel plate, and stave sheet is welded on a body.
The present invention 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 when being subject to percussion, can effectively bear shock loading, and guarantee 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 when 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, guarantee the sealing performance of fire-retardant sealing ring, externally can resist blast impulse, resist high temperature, completely cut off toxic and harmful, for realizing rescue, play vital effect.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of a kind of Novel down-hole refuge chamber airtight blast door of proposing of the present invention.
Fig. 2 is the side structure schematic diagram of a kind of Novel down-hole refuge chamber airtight blast door of proposing of the present invention.
Fig. 3 is the structural representation of a kind of Novel down-hole refuge chamber airtight blast door wheel gear locking transmission mechanism of proposing of the present invention.
Fig. 4 is the structural representation that a kind of Novel down-hole refuge chamber airtight blast door that the present invention proposes is connected with doorframe.
The specific embodiment
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 of proposing of the present invention; Fig. 2 is the side structure schematic diagram of a kind of Novel down-hole refuge chamber airtight blast door of proposing of the present invention; Fig. 3 is the structural representation of a kind of Novel down-hole refuge chamber airtight blast door wheel gear locking transmission mechanism of proposing of the present invention; Fig. 4 is the structural representation that a kind of Novel down-hole refuge chamber airtight blast door that the present invention proposes is connected with doorframe.
With reference to Fig. 1-4, a kind of Novel down-hole refuge chamber airtight blast door that the present invention 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, weld all around one circle rib 31 on the first L-type steel, 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, weld all around one circle the second L-type steel 17 on the door body 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, at door body 1 back side, weld by two walings 11, the many grill-shaped reinforcing rib frameworks that cross reinforcing forms, 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 strip steel plate and the T steel plate being 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 a plurality of 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, by the second gear drive 29, be connected, 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 present invention, the fire-retardant sealing ring 16 of the first fire-retardant sealing ring 32, second is high temperature resistant oil resistant rubber seal trim strip.T steel plate is comprised 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 is equal with the thickness of strip steel plate.
In the present invention, 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.
Compare with traditional door body, the present invention 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 present invention, 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, guarantee the sealing performance of fire-retardant sealing ring, externally can resist blast impulse, resist high temperature, completely cut off toxic and harmful, for realizing rescue, play vital effect.
The above; it is only the preferably specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.

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), weld all around one circle rib (31) on the first L-type steel, 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 upper weld all around one circle second L-type steel (17) 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 strip steel plate and the T steel plate being 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 a plurality of 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, by multilevel gear drive mechanism, be connected 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. the uprising type underground refuge chamber of height according to claim 1 airtight blast door, is characterized in that, T steel plate is comprised of stave sheet and horizontal steel plate, and stave sheet is welded on a body.
CN201410214149.XA 2014-05-20 2014-05-20 A kind of Novel down-hole refuge chamber airtight blast door Active CN104033177B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109723492A (en) * 2019-01-18 2019-05-07 中铁第四勘察设计院集团有限公司 A kind of anti-tunnel wind pressure protective door reinforcement structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120005247A (en) * 2010-07-08 2012-01-16 주식회사성산엔지니어링 Fire door of a sealing type for tunnel
CN102900335A (en) * 2012-11-05 2013-01-30 煤炭科学研究总院 Protective sealing door for underground refuge chamber
CN203847162U (en) * 2014-05-20 2014-09-24 天长市远洋船舶设备有限公司 Novel downhole refuge-chamber protective airtight door

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120005247A (en) * 2010-07-08 2012-01-16 주식회사성산엔지니어링 Fire door of a sealing type for tunnel
CN102900335A (en) * 2012-11-05 2013-01-30 煤炭科学研究总院 Protective sealing door for underground refuge chamber
CN203847162U (en) * 2014-05-20 2014-09-24 天长市远洋船舶设备有限公司 Novel downhole refuge-chamber protective airtight door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109723492A (en) * 2019-01-18 2019-05-07 中铁第四勘察设计院集团有限公司 A kind of anti-tunnel wind pressure protective door reinforcement structure
CN109723492B (en) * 2019-01-18 2024-05-17 中铁第四勘察设计院集团有限公司 Reinforcing structure of wind pressure protection door for tunnel

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Denomination of invention: Novel protecting air-tight door of underground refuge chamber

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Denomination of invention: A new type of protective closed door for underground refuge chamber

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