CN105109505B - A kind of passenger train method of fire protection - Google Patents
A kind of passenger train method of fire protection Download PDFInfo
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- CN105109505B CN105109505B CN201510524091.3A CN201510524091A CN105109505B CN 105109505 B CN105109505 B CN 105109505B CN 201510524091 A CN201510524091 A CN 201510524091A CN 105109505 B CN105109505 B CN 105109505B
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- fire prevention
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- fire
- pipe sleeve
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Abstract
The present invention provides a kind of passenger train method of fire protection, comprises the following steps：First, through hole is opened up on the chassis of bus located where valve rod is alleviated, pipe sleeve is tightly connected between through hole, and fire prevention pipe sleeve and chassis of bus using preventing fires, alleviates valve rod through fire prevention pipe sleeve；Then, the floor in a vehicle where alleviating bonnet near place is taken apart, and fire prevention isolating cylinder is installed into cold-proof interlayer, is tightly connected between fire prevention isolating cylinder one end and chassis of bus, is tightly connected between the other end and alleviation bonnet；Finally, recover to alleviate the state to before taking apart of the floor in a vehicle near at bonnet place.After method of fire protection using the present invention, while the flexibility of graduated release valve backward stick action and scope of activities is ensured, can also be effectively by burning things which may cause a fire disaster control in fire prevention isolating cylinder, thoroughly prevent burning things which may cause a fire disaster to enter the cold-proof interlayer of car from passenger car bottom alleviation valve opening line structure and cause the generation of car fire incident, drastically increase the fire prevention reliability of car.
Description
Technical field
Security technology area is run the present invention relates to passenger train, more particularly, to a kind of passenger train method of fire protection.
Background technology
In recent years, in order to adapt to railway high speed development the need for, passenger train improve Passenger Travel comfort level while,
Need to strengthen the management and regulation to bus safety, most important of which is that preventing car fire.The underbody of existing passenger train
The sink ground hole line structure of hole line structure, such as car dining car, if closure is not in place, it is easy to cause fire outside car
Source enters bus deck interlayer through this hole line structure, bus deck bottom may finally be caused to occur fire, so as to vehicle sheet
Occupant on body and car（Mainly passenger）Bring serious security threat, or even cause serious property loss and personal injury
Accident, while also causing great direct economic loss to relevant unit.
In the underbody hole line structure of existing passenger train, the position for being easiest to cause fire is that car alleviates valve opening road knot
Structure.Car graduated release valve is a kind of device for realizing that car is quickly alleviated by pulling control by in-car crew, mainly
Apply to the important brake component checking cylinder of car to break down when can not alleviate.And the action of this device is realized and requires in-car
Realize under insertion, i.e. car that burning things which may cause a fire disaster can be by alleviating valve opening road into the car, therefore with underbody bottom, burning things which may cause a fire disaster outside car can be from
The alleviation valve opening road enters cold-proof interlayer under bus deck；In addition, now with car be using timber structure carry out alleviation valve opening
The isolation on road, timber structure is still to have that burning things which may cause a fire disaster can be made to press from both sides by and into bus deck between inflammable substance, and structure in itself
The relatively big gap of layer is present, therefore so that the cold-proof interlayer that car is alleviated between valve opening road and car car bottom plate can not be had
The isolation of effect ground, enters the peace that the cold-proof interlayer of underbody causes car fire so as to can not be prevented effectively from burning things which may cause a fire disaster and alleviate valve opening road from underbody
Full hidden danger.
The content of the invention
The technical problem to be solved in the present invention is：The problem of existing for prior art is prevented fires there is provided a kind of passenger train
Method, while car graduated release valve normal work is fully ensured that, can effectively prevent car outside burning things which may cause a fire disaster from passenger car bottom
Alleviate valve opening road to enter car and trigger fire, improve the fire protecting performance of car.
The technical problem to be solved in the present invention is realized using following technical scheme：A kind of passenger train method of fire protection, bag
Include following steps：
First, through hole is opened up on the chassis of bus located where valve rod is alleviated, using pipe sleeve of preventing fires through the through hole,
And be tightly connected between fire prevention pipe sleeve and chassis of bus, the alleviation valve rod is through fire prevention pipe sleeve；
Second, the floor in a vehicle alleviated near at bonnet place is taken apart, fire prevention isolating cylinder is installed into cold-proof interlayer, institute
State and be tightly connected between fire prevention isolating cylinder one end and chassis of bus, is tightly connected between the other end and alleviation bonnet；
3rd, recover to alleviate the state to before taking apart of the floor in a vehicle near at bonnet place.
Preferably, it is between the fire prevention pipe sleeve and chassis of bus and/or between the fire prevention isolating cylinder and chassis of bus
Sealed with welding manner.
Preferably, the fire prevention pipe sleeve is after through hole on chassis of bus, and fire prevention pipe sleeve bottom face exposes under chassis of bus
The length on surface is more than the length that fire prevention pipe sleeve top end face exposes chassis of bus upper surface.
Preferably, the fire prevention pipe sleeve is after through hole on chassis of bus, and its top end face exposes chassis of bus upper surface 30-
50 millimeters.
Preferably, the fire prevention pipe sleeve is after through hole on chassis of bus, and its bottom face exposes chassis of bus lower surface 30-
50 millimeters.
Preferably, the fire prevention pipe sleeve is cylindrical tube, and its internal diameter is alleviate valve rod diameter 2.5-3 times.
Preferably, in the second step, carried out between the fire prevention isolating cylinder and alleviation bonnet using thread connecting mode
Sealing.
Preferably, in the second step, first it is welded and fixed between the fire prevention isolating cylinder and chassis of bus, then in anti-fire screen
Gap closure is carried out from using flame-retardant expanded dose at the gap between cylinder and chassis of bus.
Preferably, the fire prevention isolating cylinder and/or fire prevention pipe sleeve are made of fire prevention weather-proof Steel material.
Compared with prior art, the beneficial effects of the invention are as follows：By pipe sleeve of preventing fires can avoid outside burning things which may cause a fire disaster directly from
Passenger car bottom alleviates valve opening road and enters the cold-proof interlayer of car, while ensure flexibility and the scope of activities of graduated release valve backward stick action,
The normal work of car graduated release valve can be fully ensured that；Meanwhile, even if there is burning things which may cause a fire disaster from fire protection pipe set enters fire prevention isolating cylinder, but
Because fire prevention isolating cylinder mutually completely cuts off out cold-proof interlayer, floor in a vehicle and burning things which may cause a fire disaster, alleviation valve opening road is set to prevent with passenger car bottom
It is effectively isolated between cold interlayer, so that burning things which may cause a fire disaster can not directly be contacted with cold-proof interlayer, floor in a vehicle, so as to
Thoroughly prevent that burning things which may cause a fire disaster from entering the cold-proof interlayer of car from passenger car bottom alleviation valve opening line structure and causes the generation of car fire incident,
The fire protecting performance of car is drastically increased, and implementation cost is low, and property, the life security of car passenger has been effectively ensured,
Relevant enterprise unit is also set to avoid losing by vital interests simultaneously.
Brief description of the drawings
Fig. 1 is a kind of principle structural map of passenger train method of fire protection of the invention.
Fig. 2 is A direction views in Fig. 1.
Fig. 3 is B-B direction view in Fig. 1.
Marked in figure：1- floor in a vehicle, the cold-proof interlayers of 2-, 3- fire prevention isolating cylinders, 4- alleviation bonnets, 5- graduated release valve draw rings,
6- chassis of bus, 7- fire prevention pipe sleeves, 8- alleviates valve rod, flame-retardant expanded dose of 9-.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
The alleviation valve opening line structure of passenger train underbody as shown in Figure 1, Figure 2, Figure 3 shows, including alleviates bonnet 4, graduated release valve drawing
Ring 5 and alleviation valve rod 8, the graduated release valve draw ring 5 are linked into an integrated entity with alleviating valve rod 8, and confession is offered on chassis of bus 6
Alleviate burning things which may cause a fire disaster outside the through hole that valve rod 8 runs through chassis of bus 6, car to be easy to alter from the through hole residing for the alleviation valve rod 8
Enter the cold-proof interlayer 2 of car and trigger car fire.In order to effectively improve the fire protecting performance of passenger train, proposed by the present invention one
Plant passenger train method of fire protection as follows：
First, through hole is opened up on the chassis of bus 6 alleviated at the place of valve rod 8, will be using weather-proof Steel material system of preventing fires
Into fire prevention pipe sleeve 7 run through the through hole, and ensure to alleviate valve rod 8 through fire prevention pipe sleeve 7, the fire prevention pipe sleeve 7 and car
It is connected and sealed between bottom plate 6 with welding manner.The fire prevention pipe sleeve 7 is made of fire prevention weather-proof Steel material, both can guarantee that
The welded seal effect prevented fires between pipe sleeve 7 and chassis of bus 6, while also can guarantee that fire prevention pipe sleeve 7 fire protecting performance of itself.
Being capable of vertical motion, and be limited at the transverse movement of alleviation valve rod 8 up and down in order to ensure to alleviate valve rod 8
Within rational adjustable range, to ensure the on-off action of graduated release valve completely, and then the braking ability of bus brake system system is ensured,
As shown in Figure 1, Figure 3, the fire prevention pipe sleeve 7 of cylindrical tube structure can be selected, its internal diameter is the 2.5-3 for alleviating the diameter of valve rod 8
Times；Run through by fire prevention pipe sleeve 7 on chassis of bus 6 after through hole, it is ensured that the fire prevention bottom face of pipe sleeve 7 exposes the following table of chassis of bus 6
The length in face is more than the length that the fire prevention top end face of pipe sleeve 7 exposes the upper surface of chassis of bus 6, generally, the top of the fire prevention pipe sleeve 7
Upper surface 30-50 millimeters of chassis of bus 6 is showed out, the bottom face of the fire prevention pipe sleeve 7 exposes the lower surface 30-50 of chassis of bus 6
Millimeter.
Then, as shown in Figure 1, Figure 2, Figure 3 shows, the floor in a vehicle 1 alleviated near at the place of bonnet 4 is taken apart, by cylindrical drum
The fire prevention isolating cylinder 3 of body structure is installed into cold-proof interlayer 2, with welding side between the fire prevention bottom of isolating cylinder 3 and chassis of bus 6
Formula is connected and sealed, and sealing company is carried out using thread connecting mode between the fire prevention top of isolating cylinder 3 and alleviation bonnet 4
Connect.The fire prevention isolating cylinder 3 is preferably made of fire prevention weather-proof Steel material, with ensure fire prevention isolating cylinder 3 and chassis of bus 6 it
Between welded seal effect, while also ensureing fire prevention isolating cylinder 3 fire protecting performance of itself.
Because chassis of bus 6 is typically to use corrugated steel floor, for the design feature of corrugated steel floor, prevented fires
During welding operation between isolating cylinder 3 and chassis of bus 6, it is difficult to ensure that welded seal effect.Therefore, can be by isolating cylinder of preventing fires
First it is welded and fixed between 3 and chassis of bus 6, then fire resistance is used at the gap between fire prevention isolating cylinder 3 and chassis of bus 6
Flame-retardant expanded dose 9 strong progress gap closure, as shown in Fig. 2 may insure isolating cylinder 3 of preventing fires by using flame-retardant expanded dose 9
With the sealing property between chassis of bus 6, to strengthen flameproof effect.
Finally, the floor in a vehicle 1 alleviated near at the place of bonnet 4 is recovered into the state to before taking apart.
After above-mentioned method of fire protection, because fire prevention pipe sleeve 7 can avoid outside burning things which may cause a fire disaster slow directly from passenger car bottom
Xie Fakonglu enters the cold-proof interlayer 2 of car, while can also ensure to alleviate flexibility and the scope of activities that valve rod 8 is acted, so that
The normal work of car graduated release valve is fully ensured that；Even if there is outside burning things which may cause a fire disaster to be scurried into from fire prevention pipe sleeve 7 in fire prevention isolating cylinder 3, by
Itself there is fire protecting performance in fire prevention isolating cylinder 3, it is by cold-proof interlayer 2, floor in a vehicle 1 with scurrying into the fire in fire prevention isolating cylinder 3
Source mutually completely cuts off out, and can be made between the cold-proof interlayer 2 in passenger car bottom and alleviation valve opening road using this closed fire proof construction
It is effectively isolated, therefore, burning things which may cause a fire disaster can not directly be contacted with cold-proof interlayer 2, floor in a vehicle 1, so as to effectively by fire
Source control thoroughly prevents burning things which may cause a fire disaster to alleviate valve opening line structure from passenger car bottom and enters the cold-proof interlayer 2 of car in fire prevention isolating cylinder 3
And cause the generation of car fire incident, and the fire prevention reliability of car is drastically increased, and implementation cost is low, is effectively protecting
While demonstrate,proving property, the life security of car passenger, relevant enterprise unit is also reduced huge caused by car fire incident
Golden eggs loses.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (9)
1. a kind of passenger train method of fire protection, it is characterised in that：Comprise the following steps：
First, through hole is opened up on the chassis of bus (6) alleviated at valve rod (8) place, using pipe sleeve of preventing fires (7) through described
It is tightly connected between through hole, and fire prevention pipe sleeve (7) and chassis of bus (6), the alleviation valve rod (8) is through fire prevention pipe sleeve (7)；
Second, the floor in a vehicle (1) alleviated near at bonnet (4) place is taken apart, fire prevention isolating cylinder (3) is installed into cold-proof folder
Layer (2), is tightly connected between described fire prevention isolating cylinder (3) one end and chassis of bus (6), between the other end and alleviation bonnet (4)
It is tightly connected；
3rd, recover to alleviate the state to before taking apart of the floor in a vehicle (1) near at bonnet (4) place.
2. a kind of passenger train method of fire protection according to claim 1, it is characterised in that：The fire prevention pipe sleeve (7) and visitor
Between car bottom plate (6) and/or between the fire prevention isolating cylinder (3) and chassis of bus (6) sealed with welding manner.
3. a kind of passenger train method of fire protection according to claims 1 or 2, it is characterised in that：The fire prevention pipe sleeve (7)
After through hole on chassis of bus (6), the length that fire prevention pipe sleeve (7) bottom face exposes chassis of bus (6) lower surface is more than fire prevention
Pipe sleeve (7) top end face exposes the length of chassis of bus (6) upper surface.
4. a kind of passenger train method of fire protection according to claim 3, it is characterised in that：The fire prevention pipe sleeve (7) is run through
On chassis of bus (6) after through hole, its top end face exposes upper surface 30-50 millimeters of chassis of bus (6).
5. a kind of passenger train method of fire protection according to claim 3, it is characterised in that：The fire prevention pipe sleeve (7) is run through
On chassis of bus (6) after through hole, its bottom face exposes lower surface 30-50 millimeters of chassis of bus (6).
6. a kind of passenger train method of fire protection according to claims 1 or 2, it is characterised in that：The fire prevention pipe sleeve (7)
For cylindrical tube, its internal diameter is alleviate valve rod (8) diameter 2.5-3 times.
7. a kind of passenger train method of fire protection according to claims 1 or 2, it is characterised in that：In the second step, institute
State and sealed between fire prevention isolating cylinder (3) and alleviation bonnet (4) using thread connecting mode.
8. a kind of passenger train method of fire protection according to claim 7, it is characterised in that：It is described anti-in the second step
First it is welded and fixed between fiery isolating cylinder (3) and chassis of bus (6), then the seam between fire prevention isolating cylinder (3) and chassis of bus (6)
At gap gap closure is carried out using flame-retardant expanded dose (9).
9. a kind of passenger train method of fire protection according to claims 1 or 2, it is characterised in that：The fire prevention isolating cylinder
And/or fire prevention pipe sleeve (7) is made of fire prevention weather-proof Steel material (3).
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105109505A CN105109505A (en) | 2015-12-02 |
| CN105109505B true CN105109505B (en) | 2017-08-25 |
Family
ID=54657701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510524091.3A Active CN105109505B (en) | 2015-08-25 | 2015-08-25 | A kind of passenger train method of fire protection |
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| CN (1) | CN105109505B (en) |
Families Citing this family (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 |
| 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 |
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 |
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| Publication number | Publication date |
|---|---|
| CN105109505A (en) | 2015-12-02 |
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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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