CN103507823A - Traction buffer device - Google Patents
Traction buffer device Download PDFInfo
- Publication number
- CN103507823A CN103507823A CN201210210189.8A CN201210210189A CN103507823A CN 103507823 A CN103507823 A CN 103507823A CN 201210210189 A CN201210210189 A CN 201210210189A CN 103507823 A CN103507823 A CN 103507823A
- Authority
- CN
- China
- Prior art keywords
- traction
- body skin
- inner sleeve
- hand member
- shock absorber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000872 buffer Substances 0.000 title description 5
- 239000006096 absorbing agent Substances 0.000 claims description 14
- 230000035939 shock Effects 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005192 partition Methods 0.000 abstract 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Vibration Dampers (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a traction buffering device of a railway vehicle, which comprises an outer shell, an installation tailstock, a traction guide rod, an end cover, a guide partition plate, a locking nut and at least two elastic bodies, wherein two ends of the outer shell are respectively and fixedly connected with the end cover and the installation tailstock, the outer shell also comprises an inner sleeve, a sliding sleeve, an expansion ring and a deformation pipe, the left end of the inner sleeve is propped against the end cover, the sliding sleeve is arranged in the inner sleeve, the periphery of the sliding sleeve is in sliding fit with the inner wall of the inner sleeve, a partition plate is arranged in a cylinder of the sliding sleeve, the left side of the partition plate is propped against a first elastic body, the right side of the partition plate is propped against a second elastic body, the guide partition plate comprises a radial boss and a journal, the periphery of the radial boss is in sliding fit with the inner wall of the inner sleeve, the periphery of the journal is in sliding fit with the inner wall of the, the deformation pipe is fixed on the installation tailstock. The invention has the functions of buffering and collision protection and has simple structure.
Description
Technical field
The present invention relates to a kind of guideway vehicle traction buffer protection device, the traction hitch energy disperser of especially relevant a kind of city railway vehicle and railroad coach.
Background technology
Coupler and draft gear is one of vehicle important spare part, can transmit and cushion tractive force and impulsive force between vehicle, and it is directly connected to safety and the traveling comfort of train operation.The energy disperser that guideway vehicle is used is various informative, has: the energy disperser of rubber draft gear, ring spring snubber, conquassation pipe, Liquid and gas damper and various composite types according to the difference of buffer medium.And at present on city railway vehicle especially more application the energy disperser of various composite types, the conquassation pipe being especially connected with hitch and rubber draft gear combination.Its major defect is that this combined buffers device is comprised of many parts, and the longer interface of entire length is more, greatly reduces the safe reliability of package unit, and the rubber draft gear life-span is shorter, especially to bear shear action all the more so.This kind of assembled scheme cost is higher, causes other each component structural difficulty to increase simultaneously, has greatly improved productive costs.
Summary of the invention
The object of the present invention is to provide a kind of have buffering and crash protection function, and traction shock absorber simple in structure.
In order to achieve the above object, technical scheme of the present invention is: a kind of traction shock absorber, comprise body skin, mounted tailstock, traction pilot bar, end cap, kicker baffle, jam nut and at least two elastic bodys, described body skin two ends are fixedly connected with mounted tailstock with end cap respectively, described traction pilot bar one end is inserted in body skin, the other end stretches out outside body skin, be sleeved on the shaft that is positioned at body skin of traction pilot bar described kicker baffle and the equal easy fit of elastic body, inner sleeve is also housed in described body skin, slider tube, tensioner ring and converting pipe, left end and the end cap of described inner sleeve offset, described slider tube is contained in inner sleeve and the inwall bearing fit of periphery and inner sleeve, the cylinder of slider tube is interior with dividing plate, the left side of described dividing plate has the first elastic body, the first elastomeric left end offsets with the shoulder block on traction pilot bar, the right side of described dividing plate has the second elastic body, the second elastomeric right-hand member and kicker baffle offset, described kicker baffle comprises radially boss and axle journal, the inwall bearing fit of the periphery of boss and inner sleeve radially, and radially boss can offset with the left end of tensioner ring, the inwall bearing fit of the periphery of axle journal and tensioner ring, the right-hand member of described tensioner ring has the conical surface and is inserted in the left end mouth of pipe of converting pipe, the left end of described tensioner ring and the right-hand member of inner sleeve offset, described converting pipe is fixed on mounted tailstock.
The left side of described dividing plate has two the first elastic bodys, and right side has two the second elastic bodys, between two the first elastic bodys and between two the second elastic bodys, is equipped with corresponding intermediate hsg.
The taper enlarging of the left end mouth of pipe of described converting pipe for matching with the conical surface of tensioner ring.
On described mounted tailstock, have the first convex shoulder and the second convex shoulder, the right-hand member endoporus of described body skin is nested with and is fixed on the first convex shoulder, and the right-hand member endoporus of described converting pipe is nested with and is fixed on the second convex shoulder.
On described mounted tailstock, also have stroke and dodge hole, the jam nut of traction pilot bar right-hand member and connection thereof can stretch into stroke and dodge in hole.
Described end cap has outside thread, and body skin has negative thread, and end cap is threaded with body skin.
Described end cap has negative thread, and body skin has outside thread, and end cap is threaded with body skin.
The right-hand member of described inner sleeve has the positioning step matching with tensioner ring left end.
Adopt after said structure, the present invention is when stretching, and kicker baffle (with tensioner ring endoporus bearing fit) is moved to the left compresses elastomeric and absorbs drawbar load.During compression, traction pilot bar compresses elastomeric moves right with slider tube, and it is motionless that kicker baffle props up tensioner ring.During overload, kicker baffle and tensioner ring move to right, and converting pipe starts distortion.The present invention integrates stretching and drawing, buffering energy-absorbing and overload protection function, and compact conformation, simple in structure, has reduced installation difficulty, has improved reliability, has reduced other auxiliary component design difficulty, reduces production costs; And the present invention is in stressed stretching or when compression, elastic body is always pressured state, has avoided being subject to the effect of shearing force, and elastic body is installed in inner sleeve, has avoided the impact of the bad working environments such as greasy dirt, dust, has greatly improved service life.
Accompanying drawing explanation
The present invention is further detailed explanation for the embodiment providing below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of first embodiment of traction shock absorber of the present invention;
Fig. 2 is the structural representation of Fig. 1 after stretching;
Fig. 3 is the structural representation of Fig. 1 after pressurized;
Fig. 4 is the structural representation of Fig. 1 after overload;
Fig. 5 is the structural representation of second embodiment of traction shock absorber of the present invention.
The specific embodiment
As shown in Fig. 1 ~ 4, first embodiment of the present invention, a kind of traction shock absorber, comprise body skin 5, mounted tailstock 8, traction pilot bar 1, end cap 2, kicker baffle 10, jam nut 9 and at least two elastic bodys, described body skin 5 two ends are fixedly connected with mounted tailstock 8 with end cap 2 respectively, described traction pilot bar 1 one end is inserted in body skin 5, the other end stretches out outside body skin 5, described kicker baffle 10 and elastic body 12-1, be sleeved on the shaft that is positioned at body skin 5 of traction pilot bar 1 the equal easy fit of 12-2, in described body skin 5, inner sleeve 3 is also housed, slider tube 4, tensioner ring 6 and converting pipe 7, the left end of described inner sleeve 3 and end cap 2 offset, described slider tube 4 is contained in inner sleeve 3 and the inwall bearing fit of periphery and inner sleeve 3, the cylinder of slider tube 4 is interior with dividing plate 4-1, the left side of described dividing plate 4-1 has the first elastic body 12-1, the left end of the first elastic body 12-1 offsets with the shoulder block 1-1 on traction pilot bar 1, described dividing plate 4-1 right side has the second elastic body 12-2, the right-hand member of the second elastic body 12-2 and kicker baffle 10 offset, described kicker baffle 10 comprises radially boss 10-1 and axle journal 10-2, the inwall bearing fit of the periphery of boss 10-1 and inner sleeve 3 radially, and radially boss 10-1 can offset with the left end of tensioner ring 6, the inwall bearing fit of the periphery of axle journal 10-2 and tensioner ring 6, the right-hand member of described tensioner ring 6 has conical surface 6-1 and is inserted in the left end mouth of pipe 7-1 of converting pipe 7, the right-hand member of the left end of described tensioner ring 6 and inner sleeve 3 offsets, described converting pipe 7 is fixed on mounted tailstock 8.
The dividing plate 4-1 of described slider tube 4 can prevent from drawing pilot bar 1 and deviate from end cap 2 when traction, during compression, for traction pilot bar 1 leads smoothly, prevents stuck.
Because kicker baffle 10 comprises radially boss 10-1 and axle journal 10-2, under drawbar load effect, the relative tensioner ring 6 of kicker baffle 10 is moved to the left, thereby does not affect the position that preloads of converting pipe 7.During normal clamp load, kicker baffle 10 keeps motionless; During overload, kicker baffle 10 moves to right, converting pipe 7 distortion.
As shown in Fig. 1 ~ 4, the left side of described dividing plate 4-1 has two the first elastic body 12-1, and right side has two the second elastic body 12-2, between two the first elastic body 12-1 and between two the second elastic body 12-2, is equipped with corresponding intermediate hsg 11.The quantity of the first elastic body 12-1 and the second elastic body 12-2 can be not identical yet.
As shown in Fig. 1 ~ 4, in order to be conducive to tensioner ring 6, head into converting pipe 7, the taper enlarging of the left end mouth of pipe 7-1 of described converting pipe 7 for matching with the conical surface 6-1 of tensioner ring 6.
As shown in Fig. 1 ~ 4, on described mounted tailstock 8, there is the first convex shoulder 8-1 and the second convex shoulder 8-2, the right-hand member endoporus of described body skin 5 is nested with and is fixed on the first convex shoulder 8-1 above, and the right-hand member endoporus of described converting pipe 7 is nested with and is fixed on the second convex shoulder 8-2.
As shown in Fig. 1 ~ 4, on described mounted tailstock 8, also there is stroke and dodge hole 8-3, the jam nut 9 of traction pilot bar 1 right-hand member and connection thereof can stretch into stroke and dodge in the 8-3 of hole.
As shown in Fig. 1 ~ 4, described end cap 2 has outside thread, and body skin 5 has negative thread, and end cap 2 is threaded with body skin 5.
As shown in Fig. 1 ~ 4, the right-hand member of described inner sleeve 3 has the positioning step 3-1 matching with tensioner ring 6 left ends.
As shown in Figure 5, second embodiment of the present invention, described end cap 2 has negative thread, and body skin 5 has outside thread, and end cap 2 is threaded with body skin 5.All the other structures are identical with above-mentioned first embodiment.
As shown in Figure 1, the present invention is when normal mounting situation, and the first elastic body 12-1 left end offsets with the shoulder block 1-1 on traction pilot bar 1, and the second elastic body 12-2 right-hand member and kicker baffle 10 offset, and make to draw pilot bar 1 all the time in balance position.
As shown in Figure 2, when the present invention is subject to tensile load, do the used time, by traction pilot bar 1, drive kicker baffle 10 to be moved to the left, push the second elastic body 12-2, draw cushion effect.Simultaneously slider tube 4 right-hand members define the miles of relative movement of kicker baffle 10, and the one end of having guaranteed guiding draw bar 1 is the inner side in end cap 2 all the time, prevents unexpected disengagement.
As shown in Figure 3, when being subject to normal clamp load, the present invention does the used time, traction pilot bar 1 drives and moves right, push the first elastic body 12-1 and the second elastic body 12-2, intermediate hsg 11, slider tube 4 move right simultaneously, now compressive force is absorbed by the first elastic body 12-1 and the second elastic body 12-2 completely, realizes buffering.
As shown in Figure 4; when the present invention is subject to excessive load impact, traction pilot bar 1 continues to move right under state shown in Fig. 3, promotes kicker baffle 10 and tensioner ring 6 and clamp-ons in converting pipe 7; now converting pipe 7 caliber dilatating and deformables and impact-absorbing, thus realize overload buffer protection.
Claims (8)
1. a traction shock absorber, comprise body skin (5), mounted tailstock (8), traction pilot bar (1), end cap (2), kicker baffle (10), jam nut (9) and at least two elastic bodys, described body skin (5) two ends are fixedly connected with mounted tailstock (8) with end cap (2) respectively, described traction pilot bar (1) one end is inserted in body skin (5), the other end stretches out outside body skin (5), described kicker baffle (10) and elastic body (12-1, 12-2) be all sleeved on the shaft that is positioned at body skin (5) of traction pilot bar (1) easy fit, it is characterized in that:
Inner sleeve (3), slider tube (4), tensioner ring (6) and converting pipe (7) are also housed in a, described body skin (5),
The left end of b, described inner sleeve (3) and end cap (2) offset,
C, described slider tube (4) are contained in inner sleeve (3) and the inwall bearing fit of periphery and inner sleeve (3), in the cylinder of slider tube (4) with dividing plate (4-1),
The left side of d, described dividing plate (4-1) has the first elastic body (12-1), the left end of the first elastic body (12-1) offsets with the shoulder block (1-1) on traction pilot bar (1), the right side of described dividing plate (4-1) has the second elastic body (12-2), the right-hand member of the second elastic body (12-2) and kicker baffle (10) offset
E, described kicker baffle (10) comprise radially boss (10-1) and axle journal (10-2), the inwall bearing fit of the periphery of boss (10-1) and inner sleeve (3) radially, and radially boss (10-1) can offset with the left end of tensioner ring (6), the inwall bearing fit of the periphery of axle journal (10-2) and tensioner ring (6)
The right-hand member of f, described tensioner ring (6) has the conical surface (6-1) and is inserted in the left end mouth of pipe (7-1) of converting pipe (7),
The right-hand member of the left end of g, described tensioner ring (6) and inner sleeve (3) offsets,
H, described converting pipe (7) are fixed on mounted tailstock (8).
2. traction shock absorber according to claim 1, it is characterized in that: the left side of described dividing plate (4-1) has two the first elastic bodys (12-1), right side has two the second elastic bodys (12-2), is equipped with corresponding intermediate hsg (11) between two the first elastic bodys (12-1) and between two the second elastic bodys (12-2).
3. traction shock absorber according to claim 1, is characterized in that: the taper enlarging of the left end mouth of pipe (7-1) of described converting pipe (7) for matching with the conical surface (6-1) of tensioner ring (6).
4. traction shock absorber according to claim 1, it is characterized in that: on described mounted tailstock (8), there is the first convex shoulder (8-1) and the second convex shoulder (8-2), the right-hand member endoporus of described body skin (5) is nested with and is fixed on the first convex shoulder (8-1) above, and the right-hand member endoporus of described converting pipe (7) is nested with and is fixed on the second convex shoulder (8-2).
5. traction shock absorber according to claim 1, is characterized in that: on described mounted tailstock (8), also have stroke and dodge hole (8-3), the jam nut (9) of traction pilot bar (1) right-hand member and connection thereof can stretch into stroke and dodge in hole (8-3).
6. traction shock absorber according to claim 1, is characterized in that: described end cap (2) has outside thread, and body skin (5) has negative thread, and end cap (2) is threaded with body skin (5).
7. traction shock absorber according to claim 1, is characterized in that: described end cap (2) has negative thread, and body skin (5) has outside thread, and end cap (2) is threaded with body skin (5).
8. traction shock absorber according to claim 1, is characterized in that: the right-hand member of described inner sleeve (3) has the positioning step (3-1) matching with tensioner ring (6) left end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210189.8A CN103507823B (en) | 2012-06-25 | 2012-06-25 | Traction buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210210189.8A CN103507823B (en) | 2012-06-25 | 2012-06-25 | Traction buffer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103507823A true CN103507823A (en) | 2014-01-15 |
| CN103507823B CN103507823B (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210210189.8A Expired - Fee Related CN103507823B (en) | 2012-06-25 | 2012-06-25 | Traction buffer device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103507823B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071175A (en) * | 2014-06-30 | 2014-10-01 | 常州南车铁马科技实业有限公司 | Coupler buffer for railway vehicle |
| CN105151075A (en) * | 2015-09-30 | 2015-12-16 | 南车青岛四方机车车辆股份有限公司 | Energy absorption device and rail vehicle with energy absorption device |
| CN107107926A (en) * | 2014-06-30 | 2017-08-29 | 常州中车铁马科技实业有限公司 | A kind of coupler draft gear used for rail vehicle |
| WO2017148145A1 (en) * | 2016-03-01 | 2017-09-08 | 中南大学 | Collision energy absorption apparatus for rail vehicles |
| CN107351609A (en) * | 2017-08-24 | 2017-11-17 | 重庆望江工业有限公司 | A kind of trailer towing hook vibration-proof structure |
| CN110550063A (en) * | 2019-09-12 | 2019-12-10 | 西南交通大学 | Multistage buffering energy-absorbing device |
| CN110550064A (en) * | 2019-09-12 | 2019-12-10 | 西南交通大学 | Multistage energy-absorbing buffer device |
| US11021176B2 (en) | 2015-09-30 | 2021-06-01 | Crrc Qingdao Sifang Co., Ltd. | Energy absorption device and rail vehicle having same |
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2012
- 2012-06-25 CN CN201210210189.8A patent/CN103507823B/en not_active Expired - Fee Related
Patent Citations (6)
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| GB1427991A (en) * | 1972-07-21 | 1976-03-10 | Mini Verkehrswesen | couplings of railway vehicles |
| EP1225114A1 (en) * | 2001-01-12 | 2002-07-24 | SAB WABCO BSI Verkehrstechnik Products GmbH | Traction and buffing device with coupling arm, for a central coupler |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071175A (en) * | 2014-06-30 | 2014-10-01 | 常州南车铁马科技实业有限公司 | Coupler buffer for railway vehicle |
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| CN107107926A (en) * | 2014-06-30 | 2017-08-29 | 常州中车铁马科技实业有限公司 | A kind of coupler draft gear used for rail vehicle |
| CN105151075A (en) * | 2015-09-30 | 2015-12-16 | 南车青岛四方机车车辆股份有限公司 | Energy absorption device and rail vehicle with energy absorption device |
| US11021176B2 (en) | 2015-09-30 | 2021-06-01 | Crrc Qingdao Sifang Co., Ltd. | Energy absorption device and rail vehicle having same |
| WO2017148145A1 (en) * | 2016-03-01 | 2017-09-08 | 中南大学 | Collision energy absorption apparatus for rail vehicles |
| US10556603B2 (en) | 2016-03-01 | 2020-02-11 | Central South University | Collision energy absorption apparatus for rail vehicles |
| CN107351609A (en) * | 2017-08-24 | 2017-11-17 | 重庆望江工业有限公司 | A kind of trailer towing hook vibration-proof structure |
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| CN110550063A (en) * | 2019-09-12 | 2019-12-10 | 西南交通大学 | Multistage buffering energy-absorbing device |
| CN110550064A (en) * | 2019-09-12 | 2019-12-10 | 西南交通大学 | Multistage energy-absorbing buffer device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103507823B (en) | 2016-02-24 |
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Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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Address after: 213011 Wuyi Road, Jiangsu, Changzhou, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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Effective date of registration: 20220509 Address after: 266111 South Side of Xinye Road and West Side of Herong Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Patentee after: CRRC Brake System Co.,Ltd. Address before: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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Granted publication date: 20160224 |