CN204864623U - Valve opening way fire resistive construction is alleviated to passenger train - Google Patents
Valve opening way fire resistive construction is alleviated to passenger train Download PDFInfo
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- CN204864623U CN204864623U CN201520643185.8U CN201520643185U CN204864623U CN 204864623 U CN204864623 U CN 204864623U CN 201520643185 U CN201520643185 U CN 201520643185U CN 204864623 U CN204864623 U CN 204864623U
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- fire prevention
- passenger train
- bus
- chassis
- valve opening
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Abstract
The utility model provides a valve opening way fire resistive construction is alleviated to passenger train, including fire prevention isolating barrel (3) and fire prevention pipe box (7), fire prevention isolating barrel (3) installs in passenger train winter protection intermediate layer (2), its one end and passenger train bottom plate (6) sealing connection, the other end with alleviate valve gap (4) sealing connection, the fire prevention pipe box (7) run through passenger train bottom plate (6) and with passenger train bottom plate (6) sealing connection. The utility model discloses in the flexibility and home range of guaranteeing the action of release valve pull rod, because fire prevention isolating barrel makes to alleviate and can keep apart effectively between valve opening way and the passenger train vehicle bottom winter protection intermediate layer, unable and the winter protection intermediate layer of burning things which may cause a fire disaster, floor direct contact in the car, prevented thoroughly that the burning things which may cause a fire disaster from alleviating valve opening way structure from the passenger train vehicle bottom and getting into passenger train winter protection intermediate layer and result in the emergence of passenger train fire incident, the fire behavior of passenger train has greatly been improved, it is high to have the fire prevention reliability, the outstanding advantage of implementation cost low grade.
Description
Technical field
The utility model relates to passenger train security of operation technical field, especially relates to a kind of passenger train and alleviates valve opening road fire proof construction.
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 breaking out 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 loss 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 graduated release valve is a kind ofly controlled to realize the device that passenger vehicle carries out alleviating fast by pulling by crew in car, mainly applies to the important brake component checking cylinder of passenger vehicle and break down 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 timber structure to carry out alleviating valve opening road, timber 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.
Utility model content
The technical problems to be solved in the utility model is: for prior art Problems existing, a kind of passenger train is provided to alleviate valve opening road fire proof construction, while fully ensureing that passenger vehicle graduated 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 cause passenger vehicle fire.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of passenger train alleviates valve opening road fire proof construction, described alleviation valve opening route is alleviated the gentle valve rod of separating of valve gap and is formed, described alleviation valve opening road fire proof construction comprises fire prevention isolating cylinder and fire prevention pipe box, described fire prevention isolating cylinder is arranged in the cold-proof interlayer of passenger vehicle, its one end and chassis of bus are tightly connected, the other end is tightly connected with alleviation valve gap, described fire prevention pipe box runs through chassis of bus and is tightly connected with chassis of bus, and described graduated release valve pull bar runs through fire prevention pipe box.
Preferably, thread connecting mode is adopted to be tightly connected between described fire prevention isolating cylinder and alleviation valve gap.
Preferably, flame-retardant expanded dose of shutoff is filled at the gap place 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 graduated release valve pull bar diameter.
Preferably, between described fire prevention pipe box and chassis of bus and/or be welded seal between described fire prevention isolating cylinder and chassis of bus.
Compared with prior art, the beneficial effects of the utility model are: 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 flexibility and the scope of activities of graduated release valve backward stick action simultaneously, fully can ensure the normal work of passenger vehicle graduated 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 driven isolated mutually to floor and burning things which may cause a fire disaster in cold-proof interlayer, car, make effectively to be isolated between cold-proof interlayer at the bottom of alleviation valve opening road and passenger car, thus burning things which may cause a fire disaster is made directly cannot to contact with floor in cold-proof interlayer, car, 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 incident, drastically increase the fire protecting performance of passenger vehicle, and implementation cost is low.
Accompanying drawing explanation
Fig. 1 is the structural map that a kind of passenger train of the utility model alleviates valve opening road fire proof construction.
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-graduated release valve draw ring, 6-chassis of bus, and 7-prevents fires pipe box, 8-graduated release valve pull bar, flame-retardant expanded dose of 9-.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
A kind of passenger train as shown in Figure 1, Figure 2, Figure 3 shows alleviates valve opening line structure, form primarily of alleviation valve gap 4, graduated release valve draw ring 5 and alleviation valve rod 8, described graduated release valve draw ring 5 links into an integrated entity with graduated release valve pull bar 8, and chassis of bus 6 offers the through hole running through chassis of bus 6 for graduated release valve pull bar 8.A kind of passenger train as shown in Figure 1, Figure 2, Figure 3 shows alleviates valve opening road fire proof construction; comprise fire prevention pipe box 7 and fire prevention isolating cylinder 3; described fire prevention pipe box 7 runs through on chassis of bus 6 for the through hole of graduated release valve pull bar 8 through chassis of bus 6; and guarantee that graduated 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 protecting performance of fire prevention pipe box 7 self simultaneously.
In order to ensure that graduated release valve pull bar 8 can vertical motion up and down, and make the transverse movement of graduated release valve pull bar 8 be limited within rational adjustable range, complete to guarantee the on-off action of graduated release valve, and then guarantee the braking ability 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 graduated 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.
As shown in Figure 1, Figure 2, Figure 3 shows, first 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 in 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 protecting performance of fire prevention isolating cylinder 3 self simultaneously.
Because chassis of bus 6 normally adopts corrugated steel floor, for the design 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, gap place again between fire prevention isolating cylinder 3 and chassis of bus 6 fills strong flame-retardant expanded dose 9 of fire resistance and carries 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.After isolating cylinder 3 is in place in fire prevention, then floor 1 in the car alleviated near the place of valve gap 4 place is returned to take apart before state.
After passenger train alleviation valve opening road adopts above-mentioned fire proof construction, 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 flexibility and the scope of activities of graduated release valve pull bar 8 action simultaneously, thus fully ensure that the normal work of passenger vehicle graduated 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 protecting performance, 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 incident, 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 incident.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a passenger train alleviates valve opening road fire proof construction, described alleviation valve opening route is alleviated valve gap (4) and is alleviated valve rod (8) composition, it is characterized in that: described alleviation valve opening road fire proof construction comprises fire prevention isolating cylinder (3) and fire prevention pipe box (7), described fire prevention isolating cylinder (3) is arranged in the cold-proof interlayer of passenger vehicle (2), its one end and chassis of bus (6) are tightly connected, the other end is tightly connected with alleviation valve gap (4), described fire prevention pipe box (7) is run through chassis of bus (6) and is tightly connected with chassis of bus (6), described graduated release valve pull bar (8) runs through fire prevention pipe box (7).
2. a kind of passenger train according to claim 1 alleviates valve opening road fire proof construction, it is characterized in that: adopt thread connecting mode to be tightly connected between described fire prevention isolating cylinder (3) and alleviation valve gap (4).
3. a kind of passenger train according to claims 1 or 2 alleviates valve opening road fire proof construction, it is characterized in that: flame-retardant expanded dose of (9) shutoff is filled at the gap place between described fire prevention isolating cylinder (3) and chassis of bus (6).
4. a kind of passenger train according to claims 1 or 2 alleviates valve opening road fire proof construction, 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.
5. a kind of passenger train according to claim 4 alleviates valve opening road fire proof construction, 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.
6. a kind of passenger train according to claim 4 alleviates valve opening road fire proof construction, 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.
7. a kind of passenger train according to claim 4 alleviates valve opening road fire proof construction, it is characterized in that: described fire prevention pipe box (7) is cylindrical tube, and its internal diameter is 2.5-3 times of graduated release valve pull bar (8) diameter.
8. a kind of passenger train according to claims 1 or 2 alleviates valve opening road fire proof construction, it is characterized in that: between described fire prevention pipe box (7) and chassis of bus (6) and/or be welded seal between described fire prevention isolating cylinder (3) and chassis of bus (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643185.8U CN204864623U (en) | 2015-08-25 | 2015-08-25 | Valve opening way fire resistive construction is alleviated to passenger train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643185.8U CN204864623U (en) | 2015-08-25 | 2015-08-25 | Valve opening way fire resistive construction is alleviated to passenger train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204864623U true CN204864623U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520643185.8U Withdrawn - After Issue CN204864623U (en) | 2015-08-25 | 2015-08-25 | Valve opening way fire resistive construction is alleviated to passenger train |
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| Country | Link |
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| CN (1) | CN204864623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105079998A (en) * | 2015-08-25 | 2015-11-25 | 南车成都机车车辆有限公司 | Fireproof structure for release valve hole way of passenger train |
-
2015
- 2015-08-25 CN CN201520643185.8U patent/CN204864623U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105079998A (en) * | 2015-08-25 | 2015-11-25 | 南车成都机车车辆有限公司 | Fireproof structure for release valve hole way of passenger train |
| CN105079998B (en) * | 2015-08-25 | 2018-04-06 | 中车成都机车车辆有限公司 | A kind of passenger train alleviates valve opening road fire proof construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610057 Sichuan city of Chengdu province Chenghua District Second Bridge Road No. 31 Patentee after: CRRC CHENGDU CO., LTD. Address before: 610057 Sichuan city of Chengdu province Chenghua District Second Bridge Road No. 31 Patentee before: CSR Chengdu Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20180406 |