CN102874275B - Air bellow buffer stop - Google Patents
Air bellow buffer stop Download PDFInfo
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- CN102874275B CN102874275B CN201210402957.XA CN201210402957A CN102874275B CN 102874275 B CN102874275 B CN 102874275B CN 201210402957 A CN201210402957 A CN 201210402957A CN 102874275 B CN102874275 B CN 102874275B
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- Prior art keywords
- air bellow
- energy disperser
- shroud
- power transmission
- back shroud
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- 239000000872 buffer Substances 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 8
- 239000002828 fuel tank Substances 0.000 claims description 6
- 239000007853 buffer solution Substances 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Vibration Dampers (AREA)
Abstract
The invention discloses a kind of air bellow buffer stop, it comprises air bellow energy disperser and trapped orbit, air bellow energy disperser is by guiding support device and trapped orbit sliding block joint, air bellow energy disperser rear end is fixedly connected with power transmission cylinder, power transmission cylinder is fixedly connected with the vehicle blocking frame be slidably connected on trapped orbit, and air bellow energy disperser is also connected with making-up air device.Also water bumper is fixedly connected with if desired between air bellow energy disperser with power transmission cylinder.Instant invention overcomes existing hydraulic buffer stopper, at a high speed, large momentum, impulsive force bias keeps off a car under condition and the fault such as energy disperser hydraulic packing wearing and tearing, response interruption easily occurs, solve instantaneous generation enormous impact power to damage buffer system, make the technical matters of buffer invalidation, ensure that the safety of keeping off a car under high speed, large momentum, the eccentric condition of keeping off a car of impulsive force.
Description
Technical field
The present invention relates to railway and track traffic security appliance field, specifically refer to a kind of air bellow buffer stop.
Background technology
Alley stopping device is arranged on the track of line terminal, applies braking force, the passivity safety facilities forcing it to stop to the car team slipped into circuit.
Existing rolling stock gear stop device, such as all kinds of stop buffer, runaway vehicle enforcement gear mainly for shunting service stops, the general hundreds of ton of car group quality, the speed of a motor vehicle is generally lower than 10km/h, extreme 10 ~ 20km/h, regulation and stipulation car impact test speed is 8km/h (see " railway vehicle Intensity Design and test for identification specification " TB/1335); Urban track traffic holds to the greatest extent car stop to propose to keep off the requirement stopping train to specific circuit track, its speed per hour is 15km/h (see " urban rail transit technology specification " GB50490-2009), and visible, the speed of keeping off a car of traditional alley stopping device is low, momentum generally lower than 1MJ, indivedual 1 ~ 3MJ.
Along with railway speed increase, passivity safety precaution proposes and keep off to train out of control the requirement stopped in catch siding, its speed high (can more than 50km/h be reached), quality large (can more than 1000t be reached), momentum can reach 105 ~ 270MJ and more than, namely 1 to 2 orders of magnitude are improve to the demand of braking potential of gear stop device.New demand is proposed to the shock absorber of the equipment of keeping off a car at a high speed with large momentum.
The shock absorber of existing alley stopping device generally adopts rubber plate contactless switch, water bumper or its combination.At a high speed, under large momentum impact condition, rubber plate contactless switch is too small because being out of shape, cause that to produce impulsive force excessive and damage alley stopping device.And water bumper because collision velocity is high, momentum is large, the hitch height of all types of car team is different and shock point is placed in the middle and produce the factors such as impulsive force is eccentric the fault such as bad seals, response interruptions easily occurs, instantaneous generation enormous impact power damage buffer system can be caused, make buffer invalidation.
Summary of the invention
Object of the present invention is exactly the deficiency existed for above-mentioned background technology, provides a kind of for providing the air bellow of reliably keeping off a car buffer stop, in order to ensure to keep off a car safety under high speed, large momentum, the eccentric condition of impulsive force.
Technical scheme of the present invention is: a kind of air bellow buffer stop, comprise air bellow energy disperser and trapped orbit, it is characterized in that: described air bellow energy disperser is by guiding support device and trapped orbit sliding block joint, described air bellow energy disperser comprises front shroud, back shroud, described guiding support device comprises pilot bar and supporting bracket, described pilot bar is through being arranged on front shroud, the pilot hole of back shroud periphery, pilot bar is provided with caging bolt in the outer end of front shroud and back shroud, described supporting bracket comprises the first strut bar, vertical connecting rod and tranverse connecting rod, the first described strut bar is divided into front support rod and back support rod, the upper end of front support rod and back support rod is all fixedly connected on front shroud, the lower end of front support rod is fixedly connected on rail head slip overshoes, rail head of rail sliding block joint on rail head slip overshoes and trapped orbit, the lower end of back support rod is fixedly installed on the first rail surface sliding panel, first rail surface sliding panel and trapped orbit sliding block joint, air bellow energy disperser rear end is fixedly connected with power transmission cylinder, and power transmission cylinder is fixedly connected with the vehicle blocking frame be slidably connected on trapped orbit, and air bellow energy disperser is also connected with making-up air device.
In such scheme:
Pilot hole diameter on described front shroud is greater than the diameter of pilot bar, front shroud can be allowed like this to bear eccentric impact when sliding along pilot bar and produce certain rotation.
The second strut bar is provided with between described back shroud and trapped orbit, the upper end of the second strut bar is fixedly installed on back shroud, the lower end of the second strut bar is fixedly installed on the second rail surface sliding panel with trapped orbit sliding block joint, like this design can bear when back shroud kinetic energy larger time limit the effect of back shroud to other direction movements further.
Described air bellow energy disperser also comprises contactless switch and air bellow, contactless switch is fixedly installed on front shroud, air spring seal is fixedly installed between front shroud and back shroud, is also provided with spacing rubber cushion between air bellow and back shroud, and back shroud is fixedly installed on the end of power transmission cylinder.The thickness of the spacing rubber cushion in air bellow energy disperser is not less than distance when air bellow is compressed into minimum between air bellow front/rear cover plate, and the length of the pilot bar in guiding support device should meet air bellow and open the possible extreme length of stretching.
Described spacing elastic mounting is arranged on back shroud.
Described air bellow, front shroud, back shroud and spacing rubber cushion are all concentricity with power transmission cylinder axle.
Described making-up air device comprises check valve and blowdown pipe, described check valve is fixedly installed on the back shroud of air bellow energy disperser, check valve be arranged on the gas thread air intake that back shroud is provided with and connect, the check valve other end is connected with blowdown pipe, and blowdown pipe is connected with external source of the gas.Check valve and blowdown pipe are in off-state at ordinary times, are only connected with check valve when air bellow needs tonifying Qi.
Also water bumper is provided with between described air bellow energy disperser and power transmission cylinder, water bumper can increase the total kilometrage of buffering of keeping off a car and absorb energy, the effect that makes to keep off a car is safer, be provided with the second strut bar between back shroud and trapped orbit, also can play a supporting role to water bumper.
Described water bumper comprises plunger, oil cylinder, fuel tank, described fuel tank is fixedly installed on above oil cylinder, the front end-plate of described plunger is fixedly connected with the back shroud of air bellow energy disperser, the back-end sealing of plunger is in oil cylinder, and the back-end sealing of oil cylinder is also connected with power transmission cylinder back segment by flange.Water bumper and air bellow combine the total kilometrage cushioning and add and keep off a car and cushion, and are more suitable for the buffering of keeping off a car to high speed, large momentum, eccentric train.
Air bellow is inflated by the present invention before putting into effect, appendix and check valve is disconnected after inflation.When the contactless switch of high speed, large momentum, eccentric train collision air bellow energy disperser, the impact of air bellow summary responses car team high speed, bias, and by compressive deformation, performance buffering in time and absorption energy.Under the constraint of supporting bracket and rail head slip overshoes, sliding in the direction that the front shroud of air bellow energy disperser only can be identical along horizontally disposed trapped orbit direction, limits it and move to other directions.Under the effect of eccentric impulsive force, front shroud may have minor rotation, and the pilot hole diameter on front shroud is greater than the diameter of pilot bar, and design is exactly allow front shroud to bear eccentric impact when sliding along pilot bar to produce certain rotation like this.Known according to pascal's principle, when front shroud bears eccentric force collision, what back shroud passed to power transmission cylinder with joint efforts must be concentric with power transmission cylinder.
Instant invention overcomes existing hydraulic buffer stopper, at a high speed, large momentum, impulsive force bias keeps off a car under condition and the fault such as energy disperser hydraulic packing wearing and tearing, response interruption easily occurs, solve instantaneous generation enormous impact power to damage buffer system, make the technical matters of buffer invalidation, ensure that the safety of keeping off a car under high speed, large momentum, the eccentric condition of keeping off a car of impulsive force.
Accompanying drawing explanation
Fig. 1 is integral structure schematic front view of the present invention.
Fig. 2 is integral structure schematic side view of the present invention.
Fig. 3 is the structural representation arranging water bumper between air bellow energy disperser and power transmission cylinder.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, is convenient to be well understood to the present invention, but they do not form restriction to the present invention.
A kind of air bellow buffer stop as shown in Figure 1 and Figure 2, comprise air bellow energy disperser 1 and trapped orbit 6, described air bellow energy disperser 1 is by guiding support device 2 and trapped orbit 6 sliding block joint, air bellow energy disperser 1 rear end is fixedly connected with power transmission cylinder 4, power transmission cylinder 4 is fixedly connected with the vehicle blocking frame 7 be slidably connected on trapped orbit 6, and air bellow energy disperser 1 is also connected with making-up air device 3.
Specific descriptions are: air bellow energy disperser 1 comprises front shroud 1-1, back shroud 1-3 and air bellow 1-2, air bellow 1-2 sealing is fixedly installed between front shroud 1-1 and back shroud 1-3, spacing rubber cushion 1-4 is also provided with between air bellow 1-2 and back shroud 1-3, spacing rubber cushion 1-4 is fixedly installed on back shroud 1-3, the thickness of spacing rubber cushion 1-4 is not less than distance when air bellow 1-2 is compressed into minimum between front shroud 1-1 and back shroud 1-3, front shroud 1-1 is fixed with contactless switch 1-5, back shroud 1-3 is fixedly installed on one end of power transmission cylinder 4, wherein air bellow 1-2, front shroud 1-1, back shroud 1-3 and spacing rubber cushion 1-4 is all concentricity with power transmission cylinder 4 axle.
Guide support support 2 comprises pilot bar 2-1 and supporting bracket, pilot bar 2-1 is through the pilot hole be arranged on front shroud 1-1, back shroud 1-3 periphery, pilot bar 2-1 is provided with caging bolt at front shroud 1-1 and back shroud 1-3 outer end, caging bolt restriction air bellow 1-2 only can stretch between caging bolt, air bellow 1-2 can be met and open the possible extreme length of stretching, and the pilot hole diameter on front shroud 1-1 is greater than the diameter of pilot bar 2-1, design can allow front shroud 1-1 to bear eccentric impact when sliding along pilot bar 2-1 and produce certain rotation like this; Supporting bracket comprises the first strut bar 2-2, vertical connecting rod 2-3 and tranverse connecting rod 2-4, first strut bar 2-2 is divided into front support rod and back support rod, the upper end of front support rod and back support rod is all fixedly connected on front shroud 1-1, the lower end of front support rod is fixedly connected on rail head slip overshoes 2-5, rail head of rail sliding block joint on rail head slip overshoes 2-5 and trapped orbit 6, the lower end of back support rod is fixedly installed on the first rail surface sliding panel 2-6, the first rail surface sliding panel 2-6 and trapped orbit 6 sliding block joint.
Making-up air device 3 comprises check valve 3-1 and blowdown pipe 3-2, check valve 3-1 is fixedly installed on the back shroud 1-3 of air bellow energy disperser 1, check valve 3-1 and be arranged on the gas thread air intake that back shroud 1-3 is provided with and connect, the check valve 3-1 other end is connected with blowdown pipe 3-2, and blowdown pipe 3-2 is connected with external source of the gas.When blowdown pipe 3-2 is flat and check valve 3-1 disconnect, be only connected with check valve 3-1 when air bellow 1-2 needs tonifying Qi.
Air bellow buffer stop described by the present embodiment, inflates air bellow 1-2 before putting into effect, appendix and check valve 3-1 is disconnected after inflation.As the contactless switch 1-5 of high speed, large momentum, eccentric train collision air bellow energy disperser 1, the impact of air bellow 1-2 summary responses car team high speed, bias, and by compressive deformation, performance buffering in time and absorption energy.Under the constraint of supporting bracket and rail head slip overshoes 2-5, the front shroud 1-1 of air bellow energy disperser 1 only can slide along pilot bar 2-1 direction, limits it and moves to other directions.Under the effect of eccentric impulsive force, front shroud 1-1 may have minor rotation, and the pilot hole diameter on protecgulum 1-1 is greater than the diameter of pilot bar 2-1, and design is exactly allow front shroud 1-1 to bear eccentric impact when sliding along pilot bar 2-1 to produce certain rotation like this.
Instant invention overcomes existing hydraulic buffer stopper, at a high speed, large momentum, impulsive force bias keeps off a car under condition and the fault such as energy disperser hydraulic packing wearing and tearing, response interruption easily occurs, solve instantaneous generation enormous impact power to damage buffer system, make the technical matters of buffer invalidation, ensure that the safety of keeping off a car under high speed, large momentum, the eccentric condition of keeping off a car of impulsive force.
One as the present embodiment is improved, as shown in Figure 3, water bumper 5 can be set between air bellow energy disperser 1 and power transmission cylinder 3, described water bumper 5 comprises plunger 5-2, oil cylinder 5-3, fuel tank 5-5, fuel tank 5-5 is fixedly installed on above oil cylinder 5-3, the front end-plate 5-1 of plunger 5-2 is fixedly connected with the back shroud 1-3 of air bellow energy disperser 1, and the back-end sealing of plunger 5-2 is in oil cylinder 5-3, and the back-end sealing of oil cylinder 5-3 is also connected with power transmission cylinder 4 back segment by flange 5-4.This water bumper oil cylinder 5-3 had not only made oil cylinder but also had been a section of power transmission cylinder 4.Now owing to being connected with water bumper after back shroud 1-3, the second strut bar (not shown in FIG.) can be provided with between back shroud 1-3 and trapped orbit 6, one end of second strut bar is fixedly installed on back shroud 1-3, the other end of the second strut bar is fixedly installed on the second rail surface sliding panel (not shown in FIG.) with trapped orbit 6 sliding block joint, can play a supporting role and make the plunger of water bumper avoid bearing eccentric force like this.And water bumper 5 and the combination of air bellow energy disperser 1 cushion, add the total kilometrage of buffering of keeping off a car, be more suitable for the buffering that high speed, large momentum, eccentric train are kept off a car.
Claims (7)
1. an air bellow buffer stop, comprise air bellow energy disperser (1) and trapped orbit (6), it is characterized in that: described air bellow energy disperser (1) is by guiding support device (2) and trapped orbit (6) sliding block joint, described air bellow energy disperser (1) comprises front shroud (1-1), back shroud (1-3), described guiding support device (2) comprises pilot bar (2-1) and supporting bracket, described pilot bar (2-1) is through being arranged on front shroud (1-1), the pilot hole of back shroud (1-3) periphery, pilot bar (2-1) is provided with caging bolt at front shroud (1-1) and back shroud (1-3) outer end, described supporting bracket comprises the first strut bar (2-2), vertical connecting rod (2-3) and tranverse connecting rod (2-4), described the first strut bar (2-2) is divided into front support rod and back support rod, the upper end of front support rod and back support rod is all fixedly connected on front shroud (1-1), the lower end of front support rod is fixedly connected on rail head slip overshoes (2-5), rail head slip overshoes (2-5) and the rail head of rail sliding block joint on trapped orbit (6), the lower end of back support rod is fixedly installed on the first rail surface sliding panel (2-6), first rail surface sliding panel (2-6) and trapped orbit (6) sliding block joint, air bellow energy disperser (1) rear end is fixedly connected with power transmission cylinder (4), power transmission cylinder (4) is fixedly connected with the vehicle blocking frame (7) be slidably connected on trapped orbit (6), and air bellow energy disperser (1) is also connected with making-up air device (3), pilot hole diameter on described front shroud (1-1) is greater than the diameter of pilot bar (2-1), described air bellow energy disperser (1) also comprises contactless switch (1-5) and air bellow (1-2), contactless switch (1-5) is fixedly installed on front shroud (1-1), air bellow (1-2) sealing is fixedly installed between front shroud (1-1) and back shroud (1-3), also be provided with spacing rubber cushion (1-4) between air bellow (1-2) and back shroud (1-3), back shroud (1-3) is fixedly installed on the end of power transmission cylinder (4).
2. air bellow buffer stop according to claim 1, it is characterized in that: between described back shroud (1-3) and trapped orbit (6), be provided with the second strut bar, the upper end of the second strut bar is fixedly installed on back shroud (1-3), and the lower end of the second strut bar is fixedly installed on the second rail surface sliding panel with trapped orbit (6) sliding block joint.
3. air bellow buffer stop according to claim 1, is characterized in that: described spacing rubber cushion (1-4) is fixedly installed on back shroud (1-3).
4. air bellow buffer stop according to claim 3, is characterized in that: described air bellow (1-2), front shroud (1-1), back shroud (1-3) and spacing rubber cushion (1-4) all with power transmission cylinder (4) concentricity axle.
5. air bellow buffer stop according to claim 1, it is characterized in that: described making-up air device (3) comprises check valve (3-1) and blowdown pipe (3-2), described check valve (3-1) is fixedly installed on the back shroud (1-3) of air bellow energy disperser (1), check valve (3-1) be arranged on the gas thread air intake that back shroud (1-3) is provided with and connect, check valve (3-1) other end is connected with blowdown pipe (3-2), and blowdown pipe (3-2) is connected with external source of the gas.
6. air bellow buffer stop according to claim 1, is characterized in that: be also provided with water bumper (5) between described air bellow energy disperser (1) and power transmission cylinder (4).
7. air bellow buffer stop according to claim 6, it is characterized in that: described water bumper (5) comprises plunger (5-2), oil cylinder (5-3), fuel tank (5-5), described fuel tank (5-5) is fixedly installed on oil cylinder (5-3) top, the front end-plate (5-1) of described plunger (5-2) is fixedly connected with the back shroud (1-3) of air bellow energy disperser (1), the back-end sealing of plunger (5-2) is in oil cylinder (5-3), the back-end sealing of oil cylinder (5-3) is also connected with power transmission cylinder (4) back segment by flange (5-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210402957.XA CN102874275B (en) | 2012-10-19 | 2012-10-19 | Air bellow buffer stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210402957.XA CN102874275B (en) | 2012-10-19 | 2012-10-19 | Air bellow buffer stop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102874275A CN102874275A (en) | 2013-01-16 |
| CN102874275B true CN102874275B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210402957.XA Expired - Fee Related CN102874275B (en) | 2012-10-19 | 2012-10-19 | Air bellow buffer stop |
Country Status (1)
| Country | Link |
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| CN (1) | CN102874275B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253285B (en) * | 2013-05-28 | 2016-03-09 | 杨恩久 | Universal hydraulic buffer stopper |
| CN108001480B (en) * | 2017-06-21 | 2024-04-30 | 深圳市乾行达科技有限公司 | Combined type car stopping energy absorber |
| CN107867306B (en) * | 2017-10-27 | 2024-03-22 | 中铁二院工程集团有限责任公司 | Double-buffer suspension type empty rail train stop buffer |
| CN109866783A (en) * | 2019-03-04 | 2019-06-11 | 中国恩菲工程技术有限公司 | Car buffer |
| CN110550064B (en) * | 2019-09-12 | 2020-07-31 | 西南交通大学 | Multistage energy-absorbing buffer device |
| CN110550063B (en) * | 2019-09-12 | 2020-07-31 | 西南交通大学 | A multi-stage buffer energy absorption device |
| CN110497929B (en) * | 2019-09-14 | 2020-12-04 | 大连交通大学 | Passive Ring Spring Stopper |
| CN113445798A (en) * | 2021-05-28 | 2021-09-28 | 喜鹊传媒股份有限公司 | Intelligent parking lot is with multi-functional ponding formula car stop |
Citations (8)
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|---|---|---|---|---|
| GB1180466A (en) * | 1967-08-03 | 1970-02-04 | Oleo Internat Holdings Ltd | Improvements in or relating to Railway Buffer Stops |
| DE2755565A1 (en) * | 1977-12-13 | 1979-06-21 | Erhart Dr Wilisch | BUMPER FOR RAIL VEHICLES |
| US4354395A (en) * | 1980-12-15 | 1982-10-19 | Page John S Jr | Shock absorption apparatus associated with well pump |
| CN200995482Y (en) * | 2006-12-30 | 2007-12-26 | 江苏扬力集团有限公司 | Cushion-gas apparatus of press |
| CN201058613Y (en) * | 2007-07-18 | 2008-05-14 | 姬云东 | Underground hydraulic buffer stop |
| CN101804821A (en) * | 2009-02-12 | 2010-08-18 | 王梦乔 | Hydraulic buffer stopper |
| CN201694203U (en) * | 2010-04-16 | 2011-01-05 | 吉林市宏远铁路运输科技开发有限公司 | Sliding type vehicle stopper on railway end line |
| CN202827628U (en) * | 2012-10-19 | 2013-03-27 | 中铁第四勘察设计院集团有限公司 | Air spring buffering car stopper |
-
2012
- 2012-10-19 CN CN201210402957.XA patent/CN102874275B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1180466A (en) * | 1967-08-03 | 1970-02-04 | Oleo Internat Holdings Ltd | Improvements in or relating to Railway Buffer Stops |
| DE2755565A1 (en) * | 1977-12-13 | 1979-06-21 | Erhart Dr Wilisch | BUMPER FOR RAIL VEHICLES |
| US4354395A (en) * | 1980-12-15 | 1982-10-19 | Page John S Jr | Shock absorption apparatus associated with well pump |
| CN200995482Y (en) * | 2006-12-30 | 2007-12-26 | 江苏扬力集团有限公司 | Cushion-gas apparatus of press |
| CN201058613Y (en) * | 2007-07-18 | 2008-05-14 | 姬云东 | Underground hydraulic buffer stop |
| CN101804821A (en) * | 2009-02-12 | 2010-08-18 | 王梦乔 | Hydraulic buffer stopper |
| CN201694203U (en) * | 2010-04-16 | 2011-01-05 | 吉林市宏远铁路运输科技开发有限公司 | Sliding type vehicle stopper on railway end line |
| CN202827628U (en) * | 2012-10-19 | 2013-03-27 | 中铁第四勘察设计院集团有限公司 | Air spring buffering car stopper |
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| Publication number | Publication date |
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| CN102874275A (en) | 2013-01-16 |
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Granted publication date: 20150902 |