CN109291951B - A kind of close-coupled anti-climbing energy-absorbing device - Google Patents
A kind of close-coupled anti-climbing energy-absorbing device Download PDFInfo
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- CN109291951B CN109291951B CN201811228357.XA CN201811228357A CN109291951B CN 109291951 B CN109291951 B CN 109291951B CN 201811228357 A CN201811228357 A CN 201811228357A CN 109291951 B CN109291951 B CN 109291951B
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- energy
- climbing
- absorbing
- absorbing tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of close-coupled anti-climbing energy-absorbing devices, belong to rail vehicle passive security technical field, and structure includes energy absorption device and fixed device, and the energy absorption device includes anti-climbing tooth, energy absorbing tube, energy absorbent block, cutting edge；The fixed device includes guide cylinder and fixing seat；The energy absorption device is located in the reserved semiclosed cylinder of the guide cylinder；The anti-climbing tooth connects with the energy absorbing tube, and the energy absorbent block is placed in the inner cylinder of the energy absorbing tube, and the front end of the energy absorbent block and the energy absorbing tube contradict, and the rear end of the energy absorbent block and the cutting edge contradict；It is reserved between the guide cylinder and the fixing seat jagged.The configuration of the present invention is simple, can collision energy in efficient absorption rail vehicle collision process, and do not invade that vehicle body space, tearing deformation is gentle stablizes after energy absorbing tube turnup.
Description
Technical field
The invention belongs to rail vehicle passive security technical field more particularly to a kind of close-coupled anti-climbing energy-absorbing devices.
Background technique
With the fast development of domestic track transportation industry, people are to the security performance of rail vehicle transportation, especially rail
The passive security performance of road vehicle is increasingly paid attention to.Anti-climbing energy-absorbing device is as rail vehicle passive security performance important composition portion
Point, it is widely used.
Existing anti-climbing energy-absorbing device of rail vehicles or need to invade vehicle body of railway vehicle space in collision process,
Need vehicle body of railway vehicle reserved space, it has not been convenient to vehicle body of railway vehicle design；Force value fluctuation is larger in collision process,
Cause effective energy absorption lower.
Patent CN201720034785 discloses a kind of rail traffic vehicles anticreeper, including installing installation on the car body
Seat, anti-climbing tooth are arranged in the energy-absorbing sleeve in mounting base and between anti-climbing tooth and mounting base, and are arranged in energy-absorbing sleeve
Energy absorbent block.When rail traffic vehicles collide, the anti-climbing tooth on two car bodies is mutually twisted, and passes through energy absorbent block and energy-absorbing set
The respective plastic deformation of cylinder and interaction between the two will hit the impact energy generated and be converted into energy absorbent block and energy-absorbing sleeve
Common plastic deformation ability, avoid car body from occurring riding and climb.Anti-climbing energy-absorbing device provided by the invention passes through the energy-absorbing of energy-absorbing sleeve
Block effect can absorb the energy of Vehicular impact generation, but only the stacking deformation of collision energy-absorbing sleeve cannot timely and effectively make
Anti-climbing energy-absorbing device is fully compressed, while car body also has some potential safety problems.
Patent CN201720888267 provides a kind of mode to solve the above problems, a kind of turnup combined type anti-creep energy-absorbing
Device, energy absorption device include straight turnup round tube, circle corrugated pipe, six born of the same parents of thin-walled pipe, outermost is straight turnup round tube, inside according to
The round more born of the same parents' pipes of secondary filling, six born of the same parents of thin-walled pipe.Energy absorption device of the present invention can effectively timely turnup deformation, but energy-absorbing effect is poor.
Therefore, design it is a kind of do not occupy vehicle body of railway vehicle space, and force value it is stable anti-climbing energy-absorbing device it is very necessary.
Summary of the invention
In view of the problems of the existing technology, the technical problem to be solved by the invention is to provide a kind of anti-creep energy-absorbing dresses
It sets, S. E. A. is higher, and force value is relatively stable.
To achieve the goals above, technical scheme is as follows:
A kind of close-coupled anti-climbing energy-absorbing device, including energy absorption device and fixed device, the energy absorption device include anti-climbing tooth,
Energy absorbing tube, energy absorbent block, cutting edge；The fixed device includes guide cylinder and fixing seat；The energy absorption device is located at the guiding
In the reserved semiclosed cylinder of cylinder；The anti-climbing tooth connects with the energy absorbing tube, and the energy absorbent block is placed on the interior of the energy absorbing tube
In cylinder, the front end of the energy absorbent block and the energy absorbing tube are contradicted, and the rear end of the energy absorbent block and the cutting edge contradict；It is described to lead
It is jagged to being reserved between cylinder and the fixing seat.
Preferably, the energy absorption device is connect by multiple shearing bolts with the guide cylinder；The shearing bolt quantity
It is identical as the knife edge quantity of the cutting edge, and be symmetrical arranged.
Preferably, the energy-absorbing inside pipe wall is provided with induction slot, the knife edge number of the induction slot number and the cutting edge
It measures identical；The knife edge of the cutting edge matches each other with the induction slot on the energy absorbing tube.
Preferably, the anti-climbing tooth connect bolt or welded connecting by first with the energy absorbing tube front end.
Preferably, the guide cylinder connect by second with the fixing seat and is bolted.
Preferably, the energy absorbing tube is consistent with the guiding barrel shape, can be cylinder or square tube.
Preferably, the energy-absorbing block of material is compressible deformable material.
Compared with prior art, the present invention has the advantage that:
1. guide cylinder, energy absorbing tube and energy absorbent block nested structure are simple, it is easily installed；
2. the tearing deformation of the compressive deformation and energy absorbing tube that take full advantage of energy absorbent block absorbs collision energy, S. E. A.
It is higher；
3. not invading vehicle body of railway vehicle space after energy absorbing tube tearing turnup, vehicle body space is saved, facilitates car body design raw
It produces；
4. the compressive deformation of energy absorbent block and the tearing deformation variation of energy absorbing tube are gentle, force value is relatively stable, it is ensured that track
Vehicle stabilization operation.
Detailed description of the invention
Close-coupled anti-climbing energy-absorbing device structure chart Fig. 1 of the invention；
Close-coupled Fig. 2 of the invention climbs energy absorption device sectional view along A-A；
Close-coupled Fig. 3 of the invention climbs energy absorption device side view；
Energy absorbing tube Fig. 4 of the invention and cutting edge cooperation are schemed；
Fig. 5 energy absorbing tube structure chart of the present invention；
Fig. 6 cutting blade structure figure of the present invention；
In above each figure, 10. anti-climbing teeth；20. energy absorbing tube；21. energy absorbing tube induces slot；30. energy absorbent block；40. guide cylinder；
50. cutting edge；51. the cutting edge knife edge；60. fixing seat；70. the first connection bolt；80. shearing bolt；90. the second connection spiral shell
Bolt；100. installing bolt.
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing, it should be understood that described herein specific
The examples are only for explaining the invention, is not used to limit invention itself.
In the description of the present invention, it should be noted that the instruction such as term "inner", "outside", "upper", "lower", "front", "rear"
Orientation or positional relationship be positional relationship based on the figure, be merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.In addition, term " first " " second " is used for description purposes only, and should not be understood as indicating
Or imply relative importance.
The present invention provides a kind of close-coupled anti-climbing energy-absorbing device, as shown in Figure 1, Figure 3 and Figure 4 shown in, including energy absorption device and
Fixed device, energy absorption device includes anti-climbing tooth 10, energy absorbing tube 20, energy absorbent block 30, cutting edge 50；Fixed device includes guide cylinder 40
With fixing seat 60；Energy absorption device is located in the reserved semiclosed cylinder of guide cylinder 40；Anti- climbing tooth 10 connects with energy absorbing tube 20, energy absorbent block
30 are placed in the inner cylinder of energy absorbing tube 20, and the front end of energy absorbent block 30 and energy absorbing tube 20 contradict, the rear end of energy absorbent block 30 and cutting edge
50 contradict；It is reserved between guide cylinder 40 and fixing seat 60 jagged.
Further, as shown in Figures 2 and 3, energy absorption device is connect by multiple shearing bolts 80 with guide cylinder 40, is sheared
The quantity of bolt 80 is identical as 51 quantity of the knife edge of cutting edge 51, and is symmetrical arranged.
Further, as shown in Figure 4, Figure 5,20 inner wall of energy absorbing tube is provided with induction slot 21, induction 21 quantity of slot and cutting
51 quantity of the knife edge of sword is identical, and the knife edge 51 of cutting edge 50 matches each other with the induction slot 21 on energy absorbing tube.Fig. 6 gives one kind
The embodiment that cutting edge is 4 knifes edge, induction slot is 4 can actually change quantity and the position of induction slot as needed.
Further, as shown in Figure 1, anti-climbing tooth 10 can connect the connection of bolt 70 by first with 20 front end of energy absorbing tube；
Or it is connected using welding manner.Guide cylinder 40 connect bolt 90 by second with fixing seat 60 and connects.Fixing seat 60 passes through multiple
Installation bolt 100 is connect with the vehicle body of rail vehicle.
Energy absorbing tube 20 and guide cylinder 40 can be cylinder or square tube, as long as energy absorbing tube 20 matches unanimously i.e. with 40 shape of guide cylinder
It can.Fig. 4, Fig. 5 give a kind of energy absorbing tube 20 and guide cylinder 40 is the embodiment of cylinder.
The material of energy absorbent block 30 is compressible deformable material, such as foamed aluminium, honeycomb aluminum, glass reinforced plastic material, is inhaled with reaching
The high-efficient purpose of collision energy can be absorbed when block compressive deformation.
When rail vehicle crashes, anti-climbing tooth 10 is intermeshed, and energy absorbing tube 20 is pushed to move backward, energy-absorbing
Block 30 is in compressive state；Energy absorbing tube 20 is torn under the shear action of the cutting edge knife edge 51, along guide cylinder 40 and fixing seat 60
Between notch discharge, under the guiding role of 60 chamfering of fixing seat, occur turnup phenomenon, until collision process stop or anti-creep
Energy absorption device is fully compressed, and 20 part of energy absorbing tube retained in guide cylinder 40 at this time is sheared the cutting of bolt 80.
In conclusion cooperation of the present invention by energy absorption device and fixed device, can efficient absorption rail vehicle collided
Collision energy in journey, and do not invade vehicle body space after energy absorbing tube turnup, tear to deform and gently stablize, it can be very good to protect
The safety of driver and passenger.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of close-coupled anti-climbing energy-absorbing device, including energy absorption device and fixed device, it is characterised in that:
The energy absorption device includes anti-climbing tooth, energy absorbing tube, energy absorbent block, cutting edge；
The fixed device includes guide cylinder and fixing seat；
The energy absorption device is located in the reserved semiclosed cylinder of the guide cylinder；
The anti-climbing tooth connects with the energy absorbing tube, and the energy absorbent block is placed in the inner cylinder of the energy absorbing tube, the energy absorbent block
Front end and the energy absorbing tube contradict, the rear end of the energy absorbent block and the cutting edge contradict；
It is reserved between the guide cylinder and the fixing seat jagged；
The energy-absorbing inside pipe wall is provided with induction slot, and the induction slot number is identical as the knife edge quantity of the cutting edge；It is described
The knife edge of cutting edge matches each other with the induction slot on the energy absorbing tube.
2. a kind of close-coupled anti-climbing energy-absorbing device according to claim 1, it is characterised in that: the energy absorption device passes through more
A shearing bolt is connect with the guide cylinder；The shearing bolt quantity is identical as the knife edge quantity of the cutting edge, and symmetrical
Setting.
3. a kind of close-coupled anti-climbing energy-absorbing device according to claim 2, it is characterised in that: the anti-climbing tooth and the suction
Energy pipe front end passes through the first connection bolt or welded connecting.
4. a kind of close-coupled anti-climbing energy-absorbing device according to claim 3, it is characterised in that: the guide cylinder with it is described solid
Reservation is bolted by the second connection.
5. a kind of close-coupled anti-climbing energy-absorbing device according to claim 4, it is characterised in that: the energy absorbing tube and described lead
It is consistent to barrel shape, it can be cylinder or square tube.
6. a kind of close-coupled anti-climbing energy-absorbing device according to claim 5, it is characterised in that: the energy-absorbing block of material is can
Compressive deformation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228357.XA CN109291951B (en) | 2018-10-22 | 2018-10-22 | A kind of close-coupled anti-climbing energy-absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228357.XA CN109291951B (en) | 2018-10-22 | 2018-10-22 | A kind of close-coupled anti-climbing energy-absorbing device |
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| Publication Number | Publication Date |
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| CN109291951A CN109291951A (en) | 2019-02-01 |
| CN109291951B true CN109291951B (en) | 2019-09-27 |
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| CN201811228357.XA Active CN109291951B (en) | 2018-10-22 | 2018-10-22 | A kind of close-coupled anti-climbing energy-absorbing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267894A (en) * | 2020-03-16 | 2020-06-12 | 哈尔滨工业大学 | Combined energy absorber |
| CN112550341A (en) * | 2020-12-16 | 2021-03-26 | 北京交通大学 | Novel honeycomb anticreeper that two-way bore |
| CN113734224B (en) * | 2021-09-15 | 2023-01-13 | 北京交通大学 | Crushing type omnidirectional anti-creeper for railway vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101125769B1 (en) * | 2009-12-07 | 2012-04-12 | 한국철도기술연구원 | tube-buffer using expanding and tearing progress |
| CN204548146U (en) * | 2015-04-22 | 2015-08-12 | 深圳市乾行达科技有限公司 | A kind of cutting type rail traffic vehicles anti-creeper |
| CN204713095U (en) * | 2015-06-15 | 2015-10-21 | 深圳市乾行达科技有限公司 | A kind of anti-creeper of porous material filling walled metallic structure |
| CN204895482U (en) * | 2015-07-31 | 2015-12-23 | 陈文杰 | A energy -absorbing anti -creep device for track transportation vehicles |
| CN206569081U (en) * | 2017-01-12 | 2017-10-20 | 深圳市乾行达科技有限公司 | A kind of rail traffic vehicles anticreeper |
| CN206383968U (en) * | 2017-01-12 | 2017-08-08 | 深圳市乾行达科技有限公司 | A kind of multistage anti-climbing energy-absorbing device |
| CN206871011U (en) * | 2017-05-12 | 2018-01-12 | 长安大学 | Car crass multi-buffer energy absorption device |
| CN107512281B (en) * | 2017-07-11 | 2019-03-22 | 中车青岛四方机车车辆股份有限公司 | Energy-absorbing anti-creeper and rail vehicle with it |
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Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Patentee after: CRRC Brake System Co., Ltd Address before: No. 231, Ruichang Road, North District, Qingdao, Shandong Patentee before: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Patentee before: Qingdao Sirui Technology Co., Ltd |
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