CN202420882U - Airbag pushing device used for engine vehicle collision tests - Google Patents
Airbag pushing device used for engine vehicle collision tests Download PDFInfo
- Publication number
- CN202420882U CN202420882U CN2012200132524U CN201220013252U CN202420882U CN 202420882 U CN202420882 U CN 202420882U CN 2012200132524 U CN2012200132524 U CN 2012200132524U CN 201220013252 U CN201220013252 U CN 201220013252U CN 202420882 U CN202420882 U CN 202420882U
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- air
- bag
- cylindrical flexible
- collapsible cylindrical
- airbag
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Abstract
The utility model discloses an airbag pushing device used for engine vehicle collision tests, which mainly comprises a fixed air-filling cylinder and a collapsible cylindrical flexible airbag. The collapsible cylindrical flexible airbag is connected with the air-filling cylinder through a gland and sealing devices and formed by sewing and reinforcing more than two cylindrical cloth bags; an air port is arranged at one end of the collapsible cylindrical flexible airbag and connected with an air passage of the air-filling cylinder, and the sealed bottom of the other end of the collapsible cylindrical flexible airbag is reinforced by two and more layers of cloth; and the whole collapsible cylindrical flexible airbag is hung on a space hanger. The airbag pushing device used for the engine vehicle collision tests has the advantages that lasting and long-time and long-stroke working of an acting piston is achieved, maximum running speed of an active vehicle (the colliding vehicle) is achieved, test cost is low, acting force is strong and lasting, and the active vehicle is accelerated obviously. In addition, the airbag pushing device used for the engine vehicle collision tests can be applied to pushing tests for massive engine vehicles.
Description
Technical field
The utility model relates to the rail vehicle technical field, realizes that particularly rolling stock promotes collision test device at a high speed.
Background technology
The rolling stock collision accident is one of rolling stock the most serious accident in service.In order to study and inquire into the collision characteristic of rolling stock under friction speed; Have two kinds of approach to be used for collision phenomenon research at present: the one, some phenomenons when Application of Large software calculates the collision generation through setting up rolling stock realistic model different parameter states under; This kind method is easy, need not carry out a large amount of inputs, but still there is certain difference in the collision problem that takes place down for actual condition; The 2nd, carry out the actual collision checking through setting up corresponding experiment porch, this kind method is true, and the data that draw are reliable; Has irreplaceable effect for further investigation rolling stock collision problem; But it has high input, and the construction period is long, particularly under experiment condition, makes rolling stock obtain the equivalent impact velocity and must adopt large-scale promotion equipment; The conventional at present Large Piston cylinder moving system that adopts, this system exists certain problem or difficulty at aspects such as design, installation, operation maintenance; Also can adopt similar guided missile gas emission moving system in addition, rolling stock promoted and realization acceleration speedup by gas in a passage, but also have, problems such as manufacture difficulty high, sonic boom short like the gas percussion time.
The utility model content
Above deficiency in view of prior art; The purpose of the utility model provides a kind of air bag high speed thrust unit that the rolling stock collision experiment is used that is used for; To realize that big quality rolling stock is grown distance continues start, make rolling stock can obtain higher energy and carry out with the degree of depth that realizes at a high speed, hypervelocity impact is tested with speed.
To achieve these goals, the utility model provides following technical scheme:
The air bag thrust unit that the rolling stock collision experiment is used mainly is made up of fixing inflation cylinder body and collapsible cylindrical flexible air-bag, and collapsible cylindrical flexible air-bag is connected with the inflation cylinder body through gland and air locking; Said collapsible cylindrical flexible air-bag is sewed up and is reinforced by cylindrical cloth capsule more than two and forms, and an end of collapsible cylindrical flexible air-bag is provided with gas port and is connected with inflation cylinder body gas circuit, and its other end back cover is strengthened by two-layer and above cloth; Whole collapsible cylindrical flexible air-bag is hung on the hanger of space.
Through above technical scheme; The air bag thrust unit that the rolling stock collision experiment that the utility model provides is used; The compression that makes full use of gases at high pressure can; Pressurized air to access to plant effectively controllably discharges, and realizes that the rolling stock of the different energy levels of vehicle, friction speed promotes, with the realization rolling stock and by an experiment that collides of colliding.
The utility model changes conventional fixed piston work done process or gas moment blasting energy transmittance process into process that flexible air-bag continues to promote work done; Increase along with folding compressing gasbag expansion and length; Realized that long distance continues work done, makes rolling stock can obtain higher energy and speed.The utility model device is simple for production, cost is low, acting force is big and lasting, reliable and stable, be easy to realize and not have the sonic boom phenomenon.
Description of drawings
Description of drawings is following:
Fig. 1 is the air bag thrust unit synoptic diagram that the rolling stock collision experiment is used.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the B-B view of Fig. 1.
Fig. 4 is the I place partial enlarged drawing of Fig. 1.
Fig. 5 is the II place partial enlarged drawing of Fig. 1.
Fig. 6 is the III place partial enlarged drawing of Fig. 1.
Fig. 7 is the IV place partial enlarged drawing of Fig. 3.
Embodiment
In order to understand the technical scheme of the utility model better, the utility model is described further below in conjunction with accompanying drawing and embodiment.
The air bag thrust unit that the utility model embodiment provides a kind of rolling stock collision experiment to use, like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, device comprises: fixing inflation cylinder body 2 and 1 formation of collapsible cylindrical flexible air-bag.Inflation cylinder body 2 is provided with mount pad 3, air intake opening 7, exhausr port 11, freeing port 5, barometer interface 6 and air bag interface 13.Set mount pad 3 links to each other with ground on the fixing inflation cylinder body 2, and air intake opening 7 links to each other with air supply system, and exhausr port 11 links to each other with drain tap, and freeing port 5 links to each other with water discharging valve; Barometer interface 6 links to each other with barometer, and air bag interface 13 and collapsible cylindrical flexible air-bag 1 are connected with 19 through gland 20 and air locking (sealing strip) 18, and fix with bolt assembly.Collapsible cylindrical flexible air-bag 1 is sewed up and is reinforced by cylindrical cloth capsule more than two and forms, and the one of which end is provided with opening 13, and the other end is provided with back cover 16; Back cover 16 by two-layer above cloth 26 and 27 overlapping reinforcements and with cylindrical cloth capsule 1 sewn reinforcement; And the sewn reinforcement place is provided with rubber ring 25, compresses through U-shaped hold-down ring 23, and is fixed and clamped with bolt part 28; U-shaped hold-down ring 23 is provided with through hole; Through hole is provided with suspension hawser 12, and suspension hawser 12 lower ends link to each other through U-shaped hold-down ring 23 through holes at least three places and the collapsible cylindrical flexible air-bag 1, hang hawser 12 upper ends and link to each other with pulley assembly 29.One rolling stock, the 14 rearward end contact of cylindrical cloth capsule 1 back cover 16 places realizes promoting (in the pushing course).Pulley assembly 29 is provided with roller 31, roller shaft 30, and roller 31 is hung and is suspended from the guide support 10.
Fixing inflation cylinder body 2 is provided with air locking 18,19, O-ring seal 21, otic placode with holes 22 and gland 20 with collapsible cylindrical flexible air-bag 1 junction (shown in Figure 4); Cylindrical flexible air-bag 1 by air locking 18,19 from two side compressions; And with O-ring seal 21 cylindrical flexible air-bag 1 is squeezed on the circumference side of air bag interface 13 of fixing inflation cylinder body 2, gland 20 is fixing through bolt assembly 17 with fixing inflation cylinder body 2.Set otic placode 22 with holes is used for bolt cover safety cable (subsequent use) on the gland 20.
The method of application and the flow process of the utility model are described: before experimentizing below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7; The drain tap of opening exhausr port 11 places in the fixing inflation cylinder body 2 discharges air in inflation cylinder body 2 and the air bag; Simultaneously with collapsible cylindrical flexible air-bag 1 folding the contraction in air bag interface 13 nearsides of inflation cylinder body 2; Active vehicle 14 pushed in collapsible cylindrical flexible air-bag 1 back cover, 16 places and near; With active vehicle 14 locks 014 active vehicle is locked the drain tap of closing exhausr port 11 places then simultaneously.During experiment; According to the demands of different of experiment to speed and power, fill into certain pressure gas through inflation cylinder body 2 air intake openings 7, gas will compress collapsible cylindrical flexible air-bag 1 periphery and end (back cover 16) thereof; And produce thrust with active vehicle 14 contact positions (back cover 16) at collapsible cylindrical flexible air-bag 1; After gaseous tension reaches the requirement degree in the inflation cylinder body 2, open active vehicle 14 locks 014 switch, active vehicle 14 is released; Air bag inner high voltage gas continuingly acts on collapsible cylindrical flexible air-bag 1 and active vehicle 14 contact positions (back cover 16); Make air bag produce acting force on active vehicle 14, along with moving of active vehicle 14, collapsible cylindrical flexible air-bag 1 launches and continuingly acts on the active vehicle 14 gradually; Can realize that collapsible cylindrical flexible air-bag 1 permanent acting force in active vehicle 14 on as long as inflation cylinder body 2 gets into gas flow and pressure is enough this moment.Under collapsible cylindrical flexible air-bag 1 continuous action power; Active vehicle 14 produces acceleration; Speed increases fast; After collapsible cylindrical flexible air-bag 1 launches to accomplish, active vehicle 14 will obtain maximal rate and break away from the back cover 16 of collapsible cylindrical flexible air-bag 1, realize the purpose of collision experiment behind the segment distance that goes with being bumped against by colliding.
Wherein it should be noted that: inflation cylinder body 2 set freeing port 5 can be with the ponding discharging in the inflation cylinder body 2; Guide support 10 on the hanger of space, suspension hawser 12 and U-shaped hold-down ring 23 etc. play guiding, constraint, protective effect to collapsible cylindrical flexible air-bag 1, in collapsible cylindrical flexible air-bag 1 extension process, also can play same function.
More than narration tries hard to show and describe principal character, utility model essence, ultimate principle, technological merit and the embodiment of the utility model; One skilled in the art will appreciate that; Embodiment described here is in order to help the principle of reader understanding's the utility model; Under the prerequisite that does not break away from the utility model thought and scope, the utility model also has other various changes and modifications, should be understood that in the protection domain of the utility model.
Claims (3)
1. the rolling stock collision experiment is used the air bag thrust unit, it is characterized in that, mainly is made up of fixing inflation cylinder body and collapsible cylindrical flexible air-bag, and collapsible cylindrical flexible air-bag is connected with the inflation cylinder body through gland and air locking; Said collapsible cylindrical flexible air-bag is sewed up and is reinforced by cylindrical cloth capsule more than two and forms, and an end of collapsible cylindrical flexible air-bag is provided with gas port and is connected with inflation cylinder body gas circuit, and its other end back cover is strengthened by two-layer and above cloth; Whole collapsible cylindrical flexible air-bag is hung on the hanger of space.
2. use the air bag thrust unit according to the said rolling stock collision experiment of claim 1; It is characterized in that; The folding and expanding of the collapsible cylindrical flexible air-bag in hanger upper edge, said space axially is provided with guide support, and the corresponding hitch of collapsible cylindrical flexible air-bag is hung on the said guide support.
3. use the air bag thrust unit according to the said rolling stock collision experiment of claim 1, it is characterized in that, said fixing inflation cylinder body is provided with mount pad, air intake opening, exhausr port, freeing port, barometer interface and air bag interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200132524U CN202420882U (en) | 2012-01-13 | 2012-01-13 | Airbag pushing device used for engine vehicle collision tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200132524U CN202420882U (en) | 2012-01-13 | 2012-01-13 | Airbag pushing device used for engine vehicle collision tests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202420882U true CN202420882U (en) | 2012-09-05 |
Family
ID=46745637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200132524U Withdrawn - After Issue CN202420882U (en) | 2012-01-13 | 2012-01-13 | Airbag pushing device used for engine vehicle collision tests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202420882U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607865A (en) * | 2012-01-13 | 2012-07-25 | 西南交通大学 | Air sac pushing device for motor vehicle collision test |
| CN103645028A (en) * | 2013-12-25 | 2014-03-19 | 西南交通大学 | Push device for high-speed train collision test bed |
| CN106017208A (en) * | 2016-07-15 | 2016-10-12 | 中国工程物理研究院总体工程研究所 | Integrated firing device of heavy air cannon |
-
2012
- 2012-01-13 CN CN2012200132524U patent/CN202420882U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607865A (en) * | 2012-01-13 | 2012-07-25 | 西南交通大学 | Air sac pushing device for motor vehicle collision test |
| CN102607865B (en) * | 2012-01-13 | 2014-08-13 | 西南交通大学 | Air sac pushing device for motor vehicle collision test |
| CN103645028A (en) * | 2013-12-25 | 2014-03-19 | 西南交通大学 | Push device for high-speed train collision test bed |
| CN103645028B (en) * | 2013-12-25 | 2015-11-25 | 西南交通大学 | A kind of thrust unit for bullet train bump testing machine |
| CN106017208A (en) * | 2016-07-15 | 2016-10-12 | 中国工程物理研究院总体工程研究所 | Integrated firing device of heavy air cannon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20140813 |
|
| RGAV | Abandon patent right to avoid regrant |