CN203432777U - An accelerating system for high-speed train collision experiments - Google Patents
An accelerating system for high-speed train collision experiments Download PDFInfo
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- CN203432777U CN203432777U CN201320542957.XU CN201320542957U CN203432777U CN 203432777 U CN203432777 U CN 203432777U CN 201320542957 U CN201320542957 U CN 201320542957U CN 203432777 U CN203432777 U CN 203432777U
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Abstract
The utility model discloses an accelerating system for high-speed train collision experiments, wherein the accelerating system has a steady operative status and enables a locomotive vehicle to obtain long accelerated travelling distance. The accelerating system comprises a pedestal on which an air cylinder is fixedly installed. One end of the air cylinder is sealed by an end cap, while the other end of the air cylinder is connected with a guiding cylinder. An auxiliary slide block assembly and a foldable cylindrical flexible air bag are sleeved on the guiding cylinder. One end of the foldable cylindrical flexible air bag is in sealed connection with the auxiliary slide block assembly, while the other end of the foldable cylindrical flexible air bag is sealed by a sealing plate. One end, of the guiding cylinder, far from the air cylinder is equipped with a limiting assembly used for limiting the sliding of the auxiliary slide block assembly. When performing a high-speed train collision experiment, the accelerating system may achieve two-stage acceleration, long action time of pulling force, and long locomotive vehicle accelerated travelling distance. In addition, the accelerating system has a steady operative status and is suitable for popularization and application in the field of high-speed train collision experiment equipment.
Description
Technical field
The utility model relates to bullet train collision experiment apparatus field, is specifically related to a kind of accelerating system for bullet train collision experiment.
Background technology
Flourish along with Chinese national economy, the particularly fast development of high speed railway construction, train collision accident becomes one of the most serious accident affecting train operating safety, and this class accident will directly cause the serious consequence of car crash.The passenger vehicle of China railways bullet train is according to " thin-wall tube-shaped structure, integrated carrying " thinking carry out Design and manufacture, underframe, the most sandwich materials that adopt aluminium alloy of side wall and ceiling structure, a large amount of uses of these materials have greatly alleviated the weight of vehicle, realized the lightweight of structure, but, a large amount of body constructions that adopt aluminum alloy extrusion section bar, its anticollision performance can greatly reduce, the aluminum alloy bodywork structure of these large-scale " thin-walleds " and " interlayer " can produce larger plastic yield while making vehicle generation high velocity impact, easily cause catastrophic consequence, therefore bullet train is necessary to study the design and researchp of the anticollision performance of the type body construction.
In order to adopt macro-energy absorbing structure as far as possible in body construction design, need to effectively utilize collision experiment device and efficient accelerating system research vehicle when being subject to high-speed impact, how the main bearing structure of body construction, particularly adopt large deformation energy absorption device to relax the huge kinetic energy of huge collision impact and impact-absorbing generation to the end of Undercarriage structure.This is mainly because Undercarriage structure end adopts energy absorption characteristics and the deformation pattern of thin walled beam structure, will directly determine the collision response performance of car body when clashing into.For the research of thin-walled power-absorbing, similar at home and abroad have relevant scholar doing positive research, but the correlative study that how to effectively utilize collision experiment device and adopt suitable train to accelerate collision method compares less.
It is Large Piston cylinder moving system that rolling stock collision at present obtains the accelerating system adopting under equivalent impact velocity routine, and this system exists some problems or difficulty at aspects such as design, installation, operation maintenance; Adopt in addition in addition similar guided missile gas transmitting moving system, make rolling stock in a passage, by gas push, be realized acceleration speedup, but also have the problems such as short in the gas attack time, manufacture difficulty is high, sonic boom.
" a kind of rolling stock collision experiment air bag thrust unit " proposed in the patent No. 201210065340.3, this patent changes traditional 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 long distance and continued work done, made rolling stock can obtain higher energy and speed.This patent is after air bag launches completely, dolly just separates with air bag, the expulsive force acting on rolling stock disappears, therefore, in order to make rolling stock obtain the long distance of giving it the gun, just must increase the length of air bag, but the more long stability that is more unfavorable for the rear deployed condition of its inflation of the length of air bag easily causes whole unstable working condition.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of stable working state and can makes rolling stock obtain the accelerating system for bullet train collision experiment of the long distance of giving it the gun.
The utility model solves the problems of the technologies described above adopted technical scheme: should be for the accelerating system of bullet train collision experiment, comprise the base that is provided with slide rail, on described base, be installed with air drum, on air drum, be provided with intake interface and give vent to anger interface, end cap seal is passed through in one end of described air drum, the other end of air drum is connected with guide barrel, described air drum and guide barrel are tightly connected, in described guide barrel, be arranged with auxiliary slider assembly and collapsible cylindrical flexible air-bag, described auxiliary slider assembly can be free to slide along the outer wall of guide barrel and auxiliary slider assembly and guide barrel between by O-ring seal, seal, one end of described collapsible cylindrical flexible air-bag is connected with auxiliary slider component sealing, the other end of described collapsible cylindrical flexible air-bag seals by it by seal pad, described guide barrel is provided with for limiting limit assembly and the described limit assembly that auxiliary slide assemblies slides and is positioned at collapsible cylindrical flexible air-bag away from one end of air drum.
Be further, described auxiliary slider assembly comprises ring-type slide block, on the inner ring of described ring-type slide block, be provided with the first annular groove, the second annular groove, described O-ring seal is arranged in the first annular groove, the second annular groove, on the outer ring of described ring-type slide block, be provided with the 3rd annular groove, the end of described collapsible cylindrical flexible air-bag embeds in the 3rd annular groove and utilizes annular part to be compressed.
Further, described O-ring seal is this special envelope for axle.
Further, on the outer wall of guide barrel, stationary annular block forms described limit assembly.
Further, described collar stop also arranges rubber ring near a side of air drum.
Further, on described air drum, be connected with safety line, the free end of safety line is fixed on auxiliary slider assembly.
Further, be connected with columniform sleeve on described seal pad, described collapsible cylindrical flexible air-bag is positioned at sleeve, and the bottom of described sleeve is provided with the movable base that can slide along slide rail.
Further, on described movable base, be provided with locking device.
Further, on described air drum, be provided with for measuring the barometer of air drum internal pressure.
The beneficial effects of the utility model: while utilizing this accelerating system to carry out bullet train collision experiment, collapsible cylindrical flexible air-bag rolling stock in the process of launching can obtain one-level and accelerate, because the utility model is provided with guide barrel, auxiliary slider assembly, the structures such as limit assembly, after collapsible cylindrical flexible air-bag launches completely, continue to keep air inflow and pressure, auxiliary slider assembly can slide along the surface of guide barrel, collapsible cylindrical flexible air-bag after expansion is integrated moving in the vertical, the expulsive force that gases at high pressure produce simultaneously acts on rolling stock, make rolling stock continue to accelerate to move ahead the acceleration of acquisition secondary, when auxiliary slider assembly slides to guide barrel termination, limit assembly can make auxiliary group of slide block stop sliding, now secondary boost phase finishes, therefore, accelerating system described in the utility model can realize secondary and accelerate, can make the action time of expulsive force longer, the distance of giving it the gun of rolling stock is longer, compare with existing accelerating system, rolling stock is being accelerated under same impact velocity condition, the air bag length that twin-stage accelerating system is used can be shorter, guaranteed the stability of duty, if in the situation that air bag length is identical, rolling stock can obtain larger impact velocity under the effect of twin-stage accelerating system, and accelerating system structure described in the utility model is simpler, saved cost.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the structural representation of the accelerating system of bullet train collision experiment;
Fig. 2 is the A partial enlarged drawing of Fig. 1;
Fig. 3 is the B partial enlarged drawing of Fig. 1;
Description of reference numerals: base 1, slide rail 101, air drum 2, intake interface 201, the interface 202 of giving vent to anger, barometer 203, end cap 3, guide barrel 4, auxiliary slider assembly 5, ring-type slide block 501, annular part 502, collapsible cylindrical flexible air-bag 6, O-ring seal 7, seal pad 8, limit assembly 9, rubber ring 10, safety line 11, sleeve 12, movable base 13, locking device 14, rolling stock 15.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As Fig. 1, 2, shown in 3, should be for the accelerating system of bullet train collision experiment, comprise the base 1 that is provided with slide rail 101, on described base 1, be installed with air drum 2, on air drum 2, be provided with intake interface 201 and give vent to anger interface 202, one end of described air drum 2 seals by end cap 3, the other end of air drum 2 is connected with guide barrel 4, described air drum 2 is tightly connected with guide barrel 4, in described guide barrel 4, be arranged with auxiliary slider assembly 5 and collapsible cylindrical flexible air-bag 6, described auxiliary slider assembly 5 can be free to slide along the outer wall of guide barrel 4 and auxiliary slider assembly 5 and guide barrel 4 between by O-ring seal 7, seal, one end of described collapsible cylindrical flexible air-bag 6 and auxiliary slider assembly 5 are tightly connected, the other end of described collapsible cylindrical flexible air-bag 6 passes through seal pad 8 by its sealing, described guide barrel 4 is provided with for limiting limit assembly 9 and the described limit assembly 9 that auxiliary slide assemblies slides and is positioned at collapsible cylindrical flexible air-bag 6 away from one end of air drum 2.This use procedure for the accelerating system of bullet train collision experiment is as follows: before testing, the air of opening in give vent to anger 202 pairs of air drums 2 of interface and collapsible cylindrical flexible air-bag 6 discharges, simultaneously by collapsible cylindrical flexible air-bag 6 folding shrinkings in guide barrel 4, seal pad 8 contacts with the right-hand member of guide barrel 4 and seal pad 8 is temporary fixed, rolling stock 15 pushed in seal pad 8 surface and near, then close the interface 202 of giving vent to anger, during experiment, according to experiment different requirements from power to speed, by intake interface 201, be charged into a certain amount of gas, collapsible cylindrical flexible air-bag 6 peripheries of gas compression and seal pad 8 are also close in guide barrel 4 auxiliary slider, and 8 places produce thrust and are passed to rolling stock 15 at seal pad, when the interior gaseous tension of air drum 2 reaches after requirement, depressurization plate 8 temporary fixed, gases at high pressure in collapsible cylindrical flexible air-bag 6 continuingly act on seal pad 8, seal pad 8 promotes rolling stock 15 and moves, collapsible cylindrical flexible air-bag 6 launches gradually, now if air drum 2 enter gas flow and pressure is enough, can realize the permanent acting force of collapsible cylindrical flexible air-bag 6 on rolling stock 15, continuing under expulsive force, rolling stock 15 produces acceleration, speed increases fast, when collapsible cylindrical flexible air-bag 6 has launched, one-level boost phase finishes, after collapsible cylindrical flexible air-bag 6 launches completely, continue to keep air inflow and pressure, auxiliary slider assembly 5 can slide along the surface of guide barrel 4, collapsible cylindrical flexible air-bag 6 after expansion is integrated moving in the vertical, the expulsive force that gases at high pressure produce simultaneously acts on rolling stock 15, make rolling stock 15 continue to accelerate to move ahead the acceleration of acquisition secondary, when auxiliary slider assembly 5 slides to guide barrel 4 termination, limit assembly 9 can make auxiliary group of slide block stop sliding, now secondary boost phase finishes, after secondary boost phase finishes, rolling stock 15 will obtain maximal rate and depart from seal pad 8, travel after a segment distance and to realize the object of collision experiment with being bumped against by colliding.While utilizing this accelerating system to carry out bullet train collision experiment, can realize secondary accelerates, can make the action time of expulsive force longer, the distance of giving it the gun of rolling stock 15 is longer, compare with existing accelerating system, rolling stock 15 is being accelerated under same impact velocity condition, the air bag length that twin-stage accelerating system is used can be shorter, guaranteed the stability of duty, if in the situation that air bag length is identical, rolling stock 15 can obtain larger impact velocity under the effect of twin-stage accelerating system, and accelerating system structure described in the utility model is simpler, saved cost.
In the above-described embodiment, described auxiliary slider assembly 5 can adopt various ways to realize, as long as can achieve the goal, as a kind of preferred mode, be: described auxiliary slider assembly 5 comprises ring-type slide block 501, on the inner ring of described ring-type slide block 501, be provided with the first annular groove, the second annular groove, described O-ring seal 7 is arranged on the first annular groove, in the second annular groove, on the outer ring of described ring-type slide block 501, be provided with the 3rd annular groove, the end of described collapsible cylindrical flexible air-bag 6 embeds in the 3rd annular groove and utilizes annular part 502 by its compression, the auxiliary slider assembly 5 of this structure, simple in structure, can be connected with collapsible cylindrical flexible air-bag 6 very easily, and be convenient to seal.In order to guarantee sealing between auxiliary slider assembly 5 and guide barrel 4, described O-ring seal 7 is for being preferably this special envelope for axle.
Described limit assembly 9 can adopt various ways to realize, as long as can play the object that the auxiliary slide assemblies of restriction slides, as preferably: on the outer wall of guide barrel 4, stationary annular block forms described limit assembly 9, this mode is simple in structure, cost is low, and processing is installed very convenient.
If auxiliary slide assemblies directly contacts with ring baffle; between the two, can impact; be easy to make auxiliary slide assemblies and ring baffle to be subject to impact failure; generation for fear of above-mentioned situation; described collar stop is provided with rubber ring 10 near a side of air drum 2; by rubber ring 10 is set, can avoid auxiliary slide assemblies directly to contact and form buffering with ring baffle, the auxiliary slide assemblies of protection and ring baffle are not damaged.
In order to guarantee can to stop at once sliding after auxiliary slide assemblies slides into guide barrel 4 right-hand members, avoid auxiliary slide assemblies slippage guide barrel 4, on described air drum 2, be connected with safety line 11, the free end of safety line 11 is fixed on auxiliary slider assembly 5.
In order to guarantee the stability of collapsible cylindrical flexible air-bag 6 duty in expansion process, on described seal pad 8, be connected with columniform sleeve 12, described collapsible cylindrical flexible air-bag 6 is positioned at sleeve 12, the bottom of described sleeve 12 is provided with the movable base 13 that can slide along slide rail 101, utilize sleeve 12 to support collapsible cylindrical flexible air-bag 6, seal pad 8, can effectively guarantee the stability of duty.
Operation for the ease of experiment, on described movable base 13, be provided with locking device 14, when experiment starts, utilize locking device 14 that seal pad 8 is fixed and then just fixed to movable base 13, when needing depressurization plate 8 temporary fixed, only need unclamp locking device 14, described locking device 14 can adopt the modes such as hook, buckle to realize.
In addition, in order accurately to understand the pressure condition in air drum 2, on described air drum 2, be provided with for measuring the barometer 203 of air drum 2 internal pressures.
Claims (9)
1. for the accelerating system of bullet train collision experiment, comprise the base (1) that is provided with slide rail (101), on described base (1), be installed with air drum (2), on air drum (2), be provided with intake interface (201) and give vent to anger interface (202), it is characterized in that: one end of described air drum (2) is by end cap (3) sealing, the other end of air drum (2) is connected with guide barrel (4), described air drum (2) is tightly connected with guide barrel (4), in described guide barrel (4), be arranged with auxiliary slider assembly (5) and collapsible cylindrical flexible air-bag (6), described auxiliary slider assembly (5) can be free to slide along the outer wall of guide barrel (4) and auxiliary slider assembly (5) and guide barrel (4) between by O-ring seal (7) sealing, one end of described collapsible cylindrical flexible air-bag (6) and auxiliary slider assembly (5) are tightly connected, the other end of described collapsible cylindrical flexible air-bag (6) passes through seal pad (8) by its sealing, described guide barrel (4) is provided with for limiting limit assembly (9) and the described limit assembly (9) that auxiliary slide assemblies slides and is positioned at collapsible cylindrical flexible air-bag (6) away from one end of air drum (2).
2. the accelerating system for bullet train collision experiment as claimed in claim 1, it is characterized in that: described auxiliary slider assembly (5) comprises ring-type slide block (501), on the inner ring of described ring-type slide block (501), be provided with the first annular groove, the second annular groove, described O-ring seal (7) is arranged in the first annular groove, the second annular groove, on the outer ring of described ring-type slide block (501), be provided with the 3rd annular groove, the end of described collapsible cylindrical flexible air-bag (6) embeds in the 3rd annular groove and utilizes annular part (502) by its compression.
3. the accelerating system for bullet train collision experiment as claimed in claim 2, is characterized in that: described O-ring seal (7) is this special envelope for axle.
4. the accelerating system for bullet train collision experiment as claimed in claim 1, is characterized in that: on the outer wall of guide barrel (4), stationary annular block forms described limit assembly (9).
5. the accelerating system for bullet train collision experiment as claimed in claim 4, is characterized in that: described collar stop also arranges rubber ring (10) near a side of air drum (2).
6. the accelerating system for bullet train collision experiment as claimed in claim 5, is characterized in that: on described air drum (2), be connected with safety line (11), the free end of safety line (11) is fixed on auxiliary slider assembly (5).
7. according to the accelerating system for bullet train collision experiment described in any one claim in claim 1 to 6, it is characterized in that: on described seal pad (8), be connected with columniform sleeve (12), described collapsible cylindrical flexible air-bag (6) is positioned at sleeve (12), and the bottom of described sleeve (12) is provided with the movable base (13) that can slide along slide rail (101).
8. the accelerating system for bullet train collision experiment as claimed in claim 7, is characterized in that: on described movable base (13), be provided with locking device (14).
9. the accelerating system for bullet train collision experiment as claimed in claim 8, is characterized in that: on described air drum (2), be provided with for measuring the barometer (203) of air drum (2) internal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542957.XU CN203432777U (en) | 2013-09-03 | 2013-09-03 | An accelerating system for high-speed train collision experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542957.XU CN203432777U (en) | 2013-09-03 | 2013-09-03 | An accelerating system for high-speed train collision experiments |
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| Publication Number | Publication Date |
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| CN203432777U true CN203432777U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320542957.XU Withdrawn - After Issue CN203432777U (en) | 2013-09-03 | 2013-09-03 | An accelerating system for high-speed train collision experiments |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454062A (en) * | 2013-09-03 | 2013-12-18 | 西南交通大学 | Accelerating system for collision experiment of high speed train |
| CN106441955A (en) * | 2016-09-28 | 2017-02-22 | 中车株洲电力机车有限公司 | Rail train impact test method and system |
| CN107543676A (en) * | 2017-09-13 | 2018-01-05 | 陕西千山航空电子有限责任公司 | A kind of shock loading generating means |
| CN112393872A (en) * | 2021-01-20 | 2021-02-23 | 四川轻化工大学 | High-pressure gas self-adaptive ejection control system and control method |
-
2013
- 2013-09-03 CN CN201320542957.XU patent/CN203432777U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454062A (en) * | 2013-09-03 | 2013-12-18 | 西南交通大学 | Accelerating system for collision experiment of high speed train |
| CN103454062B (en) * | 2013-09-03 | 2015-10-07 | 西南交通大学 | For the accelerating system of bullet train collision experiment |
| CN106441955A (en) * | 2016-09-28 | 2017-02-22 | 中车株洲电力机车有限公司 | Rail train impact test method and system |
| CN106441955B (en) * | 2016-09-28 | 2019-05-03 | 中车株洲电力机车有限公司 | A kind of track train collision test method and system |
| CN107543676A (en) * | 2017-09-13 | 2018-01-05 | 陕西千山航空电子有限责任公司 | A kind of shock loading generating means |
| CN107543676B (en) * | 2017-09-13 | 2019-05-14 | 陕西千山航空电子有限责任公司 | A kind of shock loading generating device |
| CN112393872A (en) * | 2021-01-20 | 2021-02-23 | 四川轻化工大学 | High-pressure gas self-adaptive ejection control system and control method |
| CN112393872B (en) * | 2021-01-20 | 2021-03-30 | 四川轻化工大学 | High-pressure gas self-adaptive ejection control system and control method |
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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: 20140212 Effective date of abandoning: 20151007 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |