CN105109505A - Fireproof method for railway carriage - Google Patents
Fireproof method for railway carriage Download PDFInfo
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- CN105109505A CN105109505A CN201510524091.3A CN201510524091A CN105109505A CN 105109505 A CN105109505 A CN 105109505A CN 201510524091 A CN201510524091 A CN 201510524091A CN 105109505 A CN105109505 A CN 105109505A
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- fire prevention
- bus
- chassis
- pipe box
- fire
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Abstract
The invention provides a fireproof method for a railway carriage, which comprises the following steps: firstly, forming a through hole in a carriage bottom plate on which a relieving valve pull rod is arranged, and penetrating through the through hole by utilizing a fireproof pipe sleeve, wherein the fireproof pipe sleeve is hermetically connected with the carriage bottom plate, and the relieving valve pull rod penetrates through the fireproof pipe sleeve; then disassembling floors in the carriage near the part at which a relieving valve cover is arranged, and installing fireproof isolation cylinders into a cold-proof interlayer, wherein one ends of the fireproof isolation cylinders are hermetically connected with the carriage bottom plate, and the other ends of the fireproof isolation cylinders are hermetically connected with the relieving valve cover; and finally, restoring the floors in the carriage near the part at which the relieving valve cover is arranged to be in the state before disassembling. By adopting the fireproof method provided by the invention, the flexibility and range of movement of the relieving valve pull rod are ensured, and fire sources can be effectively controlled in the fireproof isolation cylinders, thereby thoroughly preventing the fire sources from entering the cold-proof interlayer of the carriage from the relieving valve duct structure at the bottom of the carriage and causing the fire accident of the carriage, and further greatly improving the fireproof reliability of the carriage.
Description
Technical field
The present invention relates to passenger train safe in operation technical field, especially relate to a kind of passenger train method of fire protection.
Background technology
In recent years, in order to adapt to the needs of railway high speed development, passenger train, while raising Passenger Travel comfort level, needs to strengthen the management to bus safety and regulation, wherein the most important thing is to prevent passenger vehicle fire.The car bottom outlet line structure of existing passenger train, the sink ground hole line structure of such as passenger vehicle dining car, if shutoff is not in place, be easy to cause the outside burning things which may cause a fire disaster of passenger vehicle to enter bus deck interlayer through this hole line structure, finally may cause the presence of fire of bus deck bottom, thus serious security threat is brought to occupant (mainly passenger) on vehicle itself and car, even cause serious property damage and human casualty accident, also cause great direct economic loss to relevant unit simultaneously.
In the car bottom outlet line structure of existing passenger train, the position of fire is the most easily caused to be that passenger vehicle alleviates valve opening line structure.Passenger vehicle release valve is a kind ofly controlled to realize the device that passenger vehicle carries out alleviating fast by pulling by bus attendant in car, mainly applies to passenger vehicle important brake component brake cylinder et out of order when can not alleviate.And the action of this device realizes requiring to realize through with car bottom in car, namely can into the car by alleviating valve opening road under car, therefore, the burning things which may cause a fire disaster of passenger vehicle outside can from cold-proof interlayer this alleviation valve opening road enters bus deck; In addition, the passenger vehicle now used is the isolation using wood structure to carry out alleviating valve opening road, wood structure itself is inflammable substance, and still have between structure and burning things which may cause a fire disaster can be made to pass through and the larger gap entering bus deck interlayer exists, therefore, the cold-proof interlayer that passenger vehicle is alleviated between valve opening road and passenger car base plate can not be isolated effectively, thus can not effectively avoid burning things which may cause a fire disaster at the bottom of car, alleviate valve opening road entering cold-proof interlayer at the bottom of car and cause the potential safety hazard of passenger vehicle fire.
Summary of the invention
The technical problem to be solved in the present invention is: for prior art Problems existing, a kind of passenger train method of fire protection is provided, while fully ensureing that passenger vehicle release valve normally works, effectively can prevent the outside burning things which may cause a fire disaster of passenger vehicle from the bottom of passenger car, alleviating valve opening road and enter passenger vehicle and initiation fire, the fire resistance of raising passenger vehicle.
The technical problem to be solved in the present invention realizes by the following technical solutions: a kind of passenger train method of fire protection, comprises the steps:
The first, the chassis of bus at release valve pull bar place place offers through hole, and utilize fire prevention pipe box to run through described through hole, and be tightly connected between fire prevention pipe box and chassis of bus, described release valve pull bar runs through fire prevention pipe box;
The second, floor in the car alleviated near the place of valve gap place is taken apart, fire prevention isolating cylinder is fit into cold-proof interlayer, is tightly connected between described fire prevention isolating cylinder one end and chassis of bus, be tightly connected between the other end and alleviation valve gap;
3rd, to recover to alleviate in the car near the place of valve gap place floor to state before taking apart.
Preferably, between described fire prevention pipe box and chassis of bus and/or be seal with welding manner between described fire prevention isolating cylinder and chassis of bus.
Preferably, described fire prevention pipe box runs through on chassis of bus after through hole, and the length that fire prevention pipe box bottom face exposes chassis of bus lower surface is greater than the length that fire prevention pipe box top end face exposes chassis of bus upper surface.
Preferably, described fire prevention pipe box runs through on chassis of bus after through hole, and its top end face exposes chassis of bus upper surface 30-50 millimeter.
Preferably, described fire prevention pipe box runs through on chassis of bus after through hole, and its bottom face exposes chassis of bus lower surface 30-50 millimeter.
Preferably, described fire prevention pipe box is cylindrical tube, and its internal diameter is 2.5-3 times of release valve pull bar diameter.
Preferably, in described second step, between described fire prevention isolating cylinder and alleviation valve gap, thread connecting mode is adopted to seal.
Preferably, in described second step, be first welded and fixed between described fire prevention isolating cylinder and chassis of bus, then the gap place between fire prevention isolating cylinder and chassis of bus adopts flame-retardant expanded dose to carry out gap shutoff.
Preferably, described fire prevention isolating cylinder and/or fire prevention pipe box adopt fire prevention weathering steel material to make.
Compared with prior art, the invention has the beneficial effects as follows: can avoid outside burning things which may cause a fire disaster at the bottom of passenger car, directly alleviate valve opening road by fire prevention pipe box and enter the cold-proof interlayer of passenger vehicle, ensure alerting ability and the action radius of release valve backward stick action simultaneously, fully can ensure the normal work of passenger vehicle release valve, simultaneously, even if there is burning things which may cause a fire disaster to cover into fire prevention isolating cylinder from fire protection pipe, but because fire prevention isolating cylinder is by cold-proof interlayer, in car, floor and burning things which may cause a fire disaster are isolated mutually leaves, make effectively to be isolated between cold-proof interlayer at the bottom of alleviation valve opening road and passenger car, thus make burning things which may cause a fire disaster cannot with cold-proof interlayer, in car, floor directly contacts, thus can thoroughly prevent from burning things which may cause a fire disaster from the bottom of passenger car, alleviating valve opening line structure entering the cold-proof interlayer of passenger vehicle and the generation causing passenger vehicle fire accident, drastically increase the fire resistance of passenger vehicle, and implementation cost is low, effectively ensure that the property of passenger vehicle passenger, life security, Ye Shi relevant enterprise unit avoids suffering vital interests loss simultaneously.
Accompanying drawing explanation
Fig. 1 is the principles of construction figure of a kind of passenger train method of fire protection of the present invention.
Fig. 2 is A direction view in Fig. 1.
Fig. 3 is B-B direction view in Fig. 1.
Mark in figure: floor in 1-car, the cold-proof interlayer of 2-, 3-prevents fires isolating cylinder, and 4-alleviates valve gap, 5-release valve draw ring, 6-chassis of bus, and 7-prevents fires pipe box, 8-release valve pull bar, flame-retardant expanded dose of 9-.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Alleviation valve opening line structure at the bottom of passenger train as shown in Figure 1, Figure 2, Figure 3 shows, comprise and alleviate valve gap 4, release valve draw ring 5 and alleviate valve rod 8, described release valve draw ring 5 links into an integrated entity with release valve pull bar 8, chassis of bus 6 offers the through hole running through chassis of bus 6 for release valve pull bar 8, and the outside burning things which may cause a fire disaster of passenger vehicle is easy to scurry into the cold-proof interlayer 2 of passenger vehicle from the through hole residing for this release valve pull bar 8 and cause passenger vehicle fire.In order to effectively improve the fire resistance of passenger train, a kind of passenger train method of fire protection that the present invention proposes is as follows:
First; the chassis of bus 6 at release valve pull bar 8 place place offers through hole; the fire prevention pipe box 7 adopting fire prevention weathering steel material to make is run through described through hole, and guarantees that release valve pull bar 8 runs through fire prevention pipe box 7, be connected and sealed with welding manner between described fire prevention pipe box 7 and chassis of bus 6.Described fire prevention pipe box 7 adopts fire prevention weathering steel material to make, and can ensure the welded seal effect of preventing fires between pipe box 7 and chassis of bus 6, also can ensure the fire resistance of fire prevention pipe box 7 self simultaneously.
In order to ensure that release valve pull bar 8 can vertical motion up and down, and make the cross motion of release valve pull bar 8 be limited within rational setting range, complete to guarantee the on-off action of release valve, and then guarantee the deceleration and stopping performance that bus brake system is united, as shown in Figure 1, Figure 3, can select the fire prevention pipe box 7 of cylindrical tube structure, its internal diameter is 2.5-3 times of release valve pull bar 8 diameter; Fire prevention pipe box 7 being run through on chassis of bus 6 after through hole, the length that pipe box 7 bottom face of guaranteeing to prevent fires exposes chassis of bus 6 lower surface is greater than the length that fire prevention pipe box 7 top end face exposes chassis of bus 6 upper surface, usually, the top end face of described fire prevention pipe box 7 exposes chassis of bus 6 upper surface 30-50 millimeter, and the bottom face of described fire prevention pipe box 7 exposes chassis of bus 6 lower surface 30-50 millimeter.
Then, as shown in Figure 1, Figure 2, Figure 3 shows, floor 1 in the car alleviated near the place of valve gap 4 place is taken apart, the fire prevention isolating cylinder 3 of cylindrical tube structure is fit into cold-proof interlayer 2, be connected and sealed with welding manner between described fire prevention isolating cylinder 3 bottom and chassis of bus 6, between described fire prevention isolating cylinder 3 top and alleviation valve gap 4, adopt thread connecting mode to be connected and sealed.Described fire prevention isolating cylinder 3 preferably adopts fire prevention weathering steel material to make, and to ensure the welded seal effect of preventing fires between isolating cylinder 3 and chassis of bus 6, also ensures the fire resistance of fire prevention isolating cylinder 3 self simultaneously.
Because chassis of bus 6 normally adopts corrugated steel floor, for the constructional feature of corrugated steel floor, when carrying out the welding operation of preventing fires between isolating cylinder 3 and chassis of bus 6, be difficult to ensure welded seal effect.For this reason, first can be welded and fixed between fire prevention isolating cylinder 3 and chassis of bus 6, flame-retardant expanded dose 9 that adopts flame retardance strong at the gap place between isolating cylinder 3 and chassis of bus 6 that prevents fires again is carried out gap shutoff, as shown in Figure 2, the sealing property of preventing fires between isolating cylinder 3 and chassis of bus 6 can be guaranteed, to strengthen flameproof effect by adopting flame-retardant expanded dose 9.
Finally, floor 1 in the car alleviated near the place of valve gap 4 place is returned to take apart before state.
After adopting above-mentioned method of fire protection, can avoid outside burning things which may cause a fire disaster at the bottom of passenger car, directly alleviate valve opening road due to fire prevention pipe box 7 and enter the cold-proof interlayer 2 of passenger vehicle, also can ensure alerting ability and the action radius of release valve pull bar 8 action simultaneously, thus fully ensure that the normal work of passenger vehicle release valve, even if there is outside burning things which may cause a fire disaster to scurry into fire prevention isolating cylinder 3 from fire prevention pipe box 7, because fire prevention isolating cylinder 3 self has fire resistance, it is by cold-proof interlayer 2, in car floor 1 with scurry into the burning things which may cause a fire disaster of prevent fires in isolating cylinder 3 and completely cut off mutually and open, adopt this closed fire proof construction can make cold-proof interlayer 2 at the bottom of passenger car and alleviate between valve opening road and effectively isolated, therefore, burning things which may cause a fire disaster cannot with cold-proof interlayer 2, in car, floor 1 directly contacts, thus can effectively burning things which may cause a fire disaster be controlled in fire prevention isolating cylinder 3, thoroughly prevent burning things which may cause a fire disaster at the bottom of passenger car, alleviate valve opening line structure and enter the cold-proof interlayer 2 of passenger vehicle and the generation causing passenger vehicle fire accident, drastically increase the fire prevention reliability of passenger vehicle, and implementation cost is low, effectively ensureing the property of passenger vehicle passenger, while life security, also reduce the huge interests loss that relevant enterprise unit causes because of passenger vehicle fire accident.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, it should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a passenger train method of fire protection, is characterized in that: comprise the steps:
First, the chassis of bus (6) at release valve pull bar (8) place place offers through hole, fire prevention pipe box (7) is utilized to run through described through hole, and be tightly connected between fire prevention pipe box (7) and chassis of bus (6), described release valve pull bar (8) runs through fire prevention pipe box (7);
Second, floor (1) in the car alleviated near valve gap (4) place place is taken apart, isolating cylinder (3) of preventing fires is fit into cold-proof interlayer (2), be tightly connected between described fire prevention isolating cylinder (3) one end and chassis of bus (6), be tightly connected between the other end and alleviation valve gap (4);
3rd, to recover to alleviate in the car near valve gap (4) place place floor (1) to state before taking apart.
2. a kind of passenger train method of fire protection according to claim 1, is characterized in that: between described fire prevention pipe box (7) and chassis of bus (6) and/or be seal with welding manner between described fire prevention isolating cylinder (3) and chassis of bus (6).
3. a kind of passenger train method of fire protection according to claims 1 or 2, it is characterized in that: after described fire prevention pipe box (7) runs through the upper through hole of chassis of bus (6), the length that fire prevention pipe box (7) bottom face exposes chassis of bus (6) lower surface is greater than the length that fire prevention pipe box (7) top end face exposes chassis of bus (6) upper surface.
4. a kind of passenger train method of fire protection according to claim 3, it is characterized in that: after described fire prevention pipe box (7) runs through the upper through hole of chassis of bus (6), its top end face exposes chassis of bus (6) upper surface 30-50 millimeter.
5. a kind of passenger train method of fire protection according to claim 3, it is characterized in that: after described fire prevention pipe box (7) runs through the upper through hole of chassis of bus (6), its bottom face exposes chassis of bus (6) lower surface 30-50 millimeter.
6. a kind of passenger train method of fire protection according to claims 1 or 2, is characterized in that: described fire prevention pipe box (7) is cylindrical tube, and its internal diameter is 2.5-3 times of release valve pull bar (8) diameter.
7. a kind of passenger train method of fire protection according to claims 1 or 2, is characterized in that: in described second step, adopts thread connecting mode to seal between described fire prevention isolating cylinder (3) and alleviation valve gap (4).
8. a kind of passenger train method of fire protection according to claim 7, it is characterized in that: in described second step, first be welded and fixed between described fire prevention isolating cylinder (3) and chassis of bus (6), then the gap place between fire prevention isolating cylinder (3) and chassis of bus (6) adopts flame-retardant expanded dose (9) to carry out gap shutoff.
9. a kind of passenger train method of fire protection according to claims 1 or 2, is characterized in that: described fire prevention isolating cylinder (3) and/or fire prevention pipe box (7) adopt fire prevention weathering steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524091.3A CN105109505B (en) | 2015-08-25 | 2015-08-25 | A kind of passenger train method of fire protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524091.3A CN105109505B (en) | 2015-08-25 | 2015-08-25 | A kind of passenger train method of fire protection |
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| Publication Number | Publication Date |
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| CN105109505A true CN105109505A (en) | 2015-12-02 |
| CN105109505B CN105109505B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510524091.3A Active CN105109505B (en) | 2015-08-25 | 2015-08-25 | A kind of passenger train method of fire protection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398389A (en) * | 2017-08-16 | 2019-03-01 | 上海杰事杰新材料(集团)股份有限公司 | A kind of fire retardant, anticorrosive floor and preparation method thereof |
| CN116373926A (en) * | 2023-06-02 | 2023-07-04 | 宝应县沈飞机电有限公司 | Assembled composite board for cab of high-speed train and application method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547268C2 (en) * | 1995-12-19 | 2001-02-08 | Alstom Lhb Gmbh | Pipe penetration through the floor structure from the underframe into the passenger compartment of vehicles, especially of rail vehicles |
| CN202360906U (en) * | 2011-11-26 | 2012-08-01 | 青岛四方庞巴迪铁路运输设备有限公司 | Pipe sealing device of railway vehicle |
| CN103625487A (en) * | 2013-08-28 | 2014-03-12 | 南车青岛四方机车车辆股份有限公司 | Floor structure of railway vehicle |
| CN203958148U (en) * | 2014-07-17 | 2014-11-26 | 南车株洲电力机车有限公司 | A kind of locomotive car body floor |
| US8950784B2 (en) * | 2012-05-31 | 2015-02-10 | Electro-Motive Diesel, Inc. | Consist communication system |
-
2015
- 2015-08-25 CN CN201510524091.3A patent/CN105109505B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547268C2 (en) * | 1995-12-19 | 2001-02-08 | Alstom Lhb Gmbh | Pipe penetration through the floor structure from the underframe into the passenger compartment of vehicles, especially of rail vehicles |
| CN202360906U (en) * | 2011-11-26 | 2012-08-01 | 青岛四方庞巴迪铁路运输设备有限公司 | Pipe sealing device of railway vehicle |
| US8950784B2 (en) * | 2012-05-31 | 2015-02-10 | Electro-Motive Diesel, Inc. | Consist communication system |
| CN103625487A (en) * | 2013-08-28 | 2014-03-12 | 南车青岛四方机车车辆股份有限公司 | Floor structure of railway vehicle |
| CN203958148U (en) * | 2014-07-17 | 2014-11-26 | 南车株洲电力机车有限公司 | A kind of locomotive car body floor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398389A (en) * | 2017-08-16 | 2019-03-01 | 上海杰事杰新材料(集团)股份有限公司 | A kind of fire retardant, anticorrosive floor and preparation method thereof |
| CN116373926A (en) * | 2023-06-02 | 2023-07-04 | 宝应县沈飞机电有限公司 | Assembled composite board for cab of high-speed train and application method thereof |
| CN116373926B (en) * | 2023-06-02 | 2023-09-05 | 宝应县沈飞机电有限公司 | Assembled composite board for cab of high-speed train and application method thereof |
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| CN105109505B (en) | 2017-08-25 |
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Address after: 610057 Sichuan city of Chengdu province Chenghua District Second Bridge Road No. 31 Applicant after: CRRC CHENGDU CO., LTD. Address before: 610057 Sichuan city of Chengdu province Chenghua District Second Bridge Road No. 31 Applicant before: CSR Chengdu Co., Ltd. |
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