CN209126739U - Coupler and draft gear - Google Patents
Coupler and draft gear Download PDFInfo
- Publication number
- CN209126739U CN209126739U CN201821758693.0U CN201821758693U CN209126739U CN 209126739 U CN209126739 U CN 209126739U CN 201821758693 U CN201821758693 U CN 201821758693U CN 209126739 U CN209126739 U CN 209126739U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- sliding sleeve
- piston rod
- coupler
- buffer
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
- 239000000872 buffer Substances 0.000 claims abstract description 62
- 238000009434 installation Methods 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 230000003139 buffering effect Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- -1 Under same case Substances 0.000 description 1
- 239000012556 adjustment buffer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a kind of coupler and draft gear, including sleeve, piston rod, buffer, sliding sleeve a and sliding sleeve b, the sleeve is the tubular structure with the axis direction extension along buffer unit, described piston rod one end is pierced by by the closed end of sleeve, in the sleeve at least be symmetrical arranged two groups described in buffer；The side of the sleeve closed end is arranged in the sliding sleeve b, and the side of the sleeve open end is arranged in the sliding sleeve a；The open end of the sleeve is equipped with end cap, and the sliding sleeve a is limited by the end cap.The utility model has the advantages that two-direction pull press using the ingehious design in structure, by the buffer that script can only carry out single load bearing, and energy-absorbing can be achieved in whether compressed or Tensile, buffer, and in the same circumstances, buffer has bigger absorbing energy capacity.
Description
Technical field
The utility model relates to a kind of buffer, especially a kind of coupler and draft gear for rail vehicle belongs to rail
Road vehicle bumper protection technique field.
Background technique
Coupler and draft gear is the critical component in rail vehicle, plays connection vehicle, mitigates impact.Rail vehicle
In the process of running, in order to improve the comfort type of vehicle, improve the safety of vehicle, height is generallyd use in coupler and draft gear
Performance buffer unit.Common buffer unit mainly has rubber bumper, daub buffer, Liquid and gas damper, elastomer buffering
The energy absorption devices such as device, conquassation pipe, generate impact energy for absorbing vehicle during operating normally or shunting, except conquassation pipe category
In outside beyond retrievable energy absorption device, other belong to renewable type energy absorption device, wherein Liquid and gas damper with its capacity big, body
The features such as product is small, light-weight, is widely applied in high speed motor car, railcar.
Buffer unit used for rail vehicle is mainly used for mitigating the tension and compression shock loading generated during vehicle operation, improves and takes
Comfort.Existing coupler and draft gear structure is mainly by draw bar, Liquid and gas damper, nut, ring spring, sleeve, rubber
Glueballs bearing composition, it is compression-independent buffer unit which is made of buffer and ring spring, and wherein gas-liquid is slow
Rush device for vehicle it is compressed when energy-absorbing, ring spring be used for vehicle Tensile when energy-absorbing.Liquid and gas damper is passed through using oil liquid
The damping of throttle orifice is realized to the buffering of train impact energy, absorption and decaying；The reset function of piston is realized using gas pressure
The features such as energy, replaces the reset response of spring, has capacity big, and performance is stablized, and the service life is high.Ring-like spring is due to its structure spy
Property, buffering energy-absorbing capacity is smaller, is also easy to produce fatigue.In order to install ring spring, it is necessary to which the draw bar of design specialized causes whole
A buffer unit volume and quality are larger, and need to apply ring spring the precompression of 70kN or so when installation, work of constructing
Skill is poor.
Utility model content
The utility model is directed to technical problem set forth above, proposes a kind of coupler and draft gear, simple and compact for structure, no
It needs using ring-like spring, it is only necessary to which the performance requirement of two-direction pull press energy-absorbing, and tension and compression can be realized in Liquid and gas damper
Has identical biggish absorbing energy capacity.
The technical solution that the utility model solves the above technical problem is: a kind of coupler and draft gear is provided, including sleeve,
Piston rod, buffer, sliding sleeve a and sliding sleeve b,
The sleeve is the tubular structure with the axis direction extension along buffer unit, and one end of the tubular structure is spacious
Open closed at one end, described piston rod one end is pierced by by the closed end of sleeve, the sealing end in contact of the piston rod and the sleeve
Place's installation guiding-sealing device；
Buffer described in being at least symmetrical arranged two groups in the sleeve, the both ends of the buffer are respectively equipped with the cunning
A and sliding sleeve b is covered, the sliding sleeve a and sliding sleeve b are arranged on the inner wall of the sleeve by guiding device；
The side of the sleeve closed end is arranged in the sliding sleeve b, and the one of the sleeve open end is arranged in the sliding sleeve a
Side；The piston rod is inserted into the central through hole of the sliding sleeve a and sliding sleeve b, is arranged between the piston rod and sliding sleeve a and sliding sleeve b
Guiding device；And baffle ring is installed in the end of the piston rod, is carried out by the limited step being arranged on the sliding sleeve a to the baffle ring
Limit；
The open end of the sleeve is equipped with end cap, and the sliding sleeve a is limited by the end cap.
The utility model further limits technical solution, coupler and draft gear above-mentioned, the sliding sleeve a by pedestal a and
The directed cavity a being arranged on the pedestal a is constituted, and the pedestal a is surrounded by pedestal a guiding device installation groove, described to lead
To the inside of chamber a, the first guiding device of twice installation groove is set；The bottom of the pedestal a is equipped with the limit for accommodating the baffle ring
Step a.
Coupler and draft gear above-mentioned, the sliding sleeve b are made of pedestal b and the directed cavity b being arranged on the pedestal b,
The pedestal b is surrounded by pedestal b guiding device installation groove, and the top of the directed cavity b is equipped with to be matched with the piston rod
Limited step b.
Coupler and draft gear above-mentioned, the buffer are Liquid and gas damper, daub buffer or hydraulic bjuffer；It is described
Number of buffers is for 3,4 or multiple, and is evenly arranged in the sleeve, it is ensured that buffer stress in sleeve is equal
Weighing apparatus.
Coupler and draft gear above-mentioned, the piston rod middle part are equipped with matched convex with the limited step b of the sliding sleeve b
The circumferential lateral surface of platform, the boss is equipped with the second guiding device installation groove.
Coupler and draft gear above-mentioned, the both ends of the piston rod are equipped with helicitic texture, the difference of helicitic texture described in both ends
It is connected with baffle ring and the second snap ring adapter.The end cap two sides are respectively equipped with external thread structure, side external thread structure and institute
It states sleeve to be fixedly linked, other side external screw thread is fixedly linked with the first snap ring adapter.
Coupler and draft gear above-mentioned, the end cap are equipped with piston rod guide hole, and piston rod guide hole aperture is greater than institute
State baffle ring diameter.There is the cavity flexible for piston rod installation baffle ring end between the end cap and the sliding sleeve a.
In the technical solution of the utility model, since the architectural characteristic of buffer determines that it is only capable of bearing pressure, and train
When operation, buffer unit will bear tension compression bidirectional load, and the embodiment of the utility model is to convert pulling force by mechanical structure
For the pressure of buffer, buffer unit is enable to bear tension compression bidirectional load.Assuming that buffer unit left end is fixing end, when buffering fills
When setting by pressure F from right to left, pressure passes to piston rod by snap ring adapter, and piston rod passes through the step on shaft
Sliding sleeve b is passed to, sliding sleeve b is driven to move from right to left, compression buffer carries out buffering energy-absorbing.Assuming that buffer unit left end is
Fixing end, when buffer unit is by pulling force F from left to right, pulling force passes to piston rod by snap ring adapter, passes through peace
Baffle ring mounted in piston rod end has passed to sliding sleeve a, moves sliding sleeve a from left to right, and compression buffer carries out buffering suction
Energy.
The utility model beneficial effect is: the utility model can only carry out list using the ingehious design in structure, by script
Having the advantages that two-direction pull press to the buffer of stress, energy-absorbing can be achieved in whether compressed or Tensile, buffer,
Under same case, buffer has bigger absorbing energy capacity.Different diameter and length are designed according to the actual situation, and are distributed in
The quantity of sleeve internal inner ring, mechanical property of the adjustment buffer in compressed and stretching process, to meet different uses
The requirement of operating condition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment buffer unit.
Fig. 2 is cushion stroke schematic diagram when the present embodiment buffer unit is pressurized.
Cushion stroke schematic diagram when Fig. 3 is the present embodiment buffer unit tension.
Fig. 4 is the first snap ring adapter schematic diagram used in the present embodiment buffer unit.
Fig. 5 is the end cover structure schematic diagram of the present embodiment buffer unit.
Fig. 6 is the structural schematic diagram of baffle ring used in the present embodiment.
Fig. 7 is the structural schematic diagram of sliding bush apparatus a used in the present embodiment.
Fig. 8 is buffer schematic diagram used in the present embodiment.
Fig. 9 is tube-in-tube structure schematic diagram used in the present embodiment.
Figure 10 is the structural schematic diagram of sliding bush apparatus b used in the present embodiment.
Figure 11 is piston rod construction schematic diagram used in the present embodiment.
Second snap ring adapter schematic diagram used in Figure 12 the present embodiment buffer unit.
Figure 13 is the A-A cross-sectional view of Fig. 1.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of coupler and draft gear, structure is as shown in Figure 1, the first snap ring adapter 1, end cap 2, baffle ring
3, guiding device 4, guiding device 5, sliding sleeve a6, guiding device 7, buffer 8, sleeve 9, guiding device 10, sliding sleeve b11, guiding
Device 12,16 part of guiding device 13, piston rod 15 and the second snap ring adapter.As shown in figure 4,1 He of the first snap ring adapter
There is the snap ring connector of coupler device needs outside second snap ring adapter 16, be provided with helicitic texture 1-1 and 16-1 on inner hole,
It is respectively used to connect with end cap 2 and piston rod 15.As shown in figure 5, end cap 2 is disc-shaped structure, both ends are respectively arranged with screw thread
Attachment device 2-1 and 2-2, right end are provided with flange protrusion, cooperate with sliding sleeve a6, left end is provided with circular hole 2-3, Circularhole diameter ratio
Baffle ring 3 is bigger, when being used as buffer unit compression, the compression travel of piston rod 15.As shown in fig. 6, being provided with screw thread knot on baffle ring 3
Structure 3-1, for connecting with piston rod 15, the outer diameter of baffle ring 3 is more smaller than the inner hole 2-3 of end cap 2, convenient for passing through end cap when compression.
Fig. 7 is the structural schematic diagram of sliding sleeve a, from fig. 6, it can be seen that the pedestal a that the outer ring sliding sleeve a6 is equipped with installation and guide device 4 is oriented to dress
Groove structure 6-1 is set, inner ring also is provided with the first guiding device installation groove 6-3 and 6-4 of installation and guide device 5 and 7, sliding sleeve
It is additionally provided with the step 6-2 for stopping baffle ring 3 on a6, sliding sleeve a6 and 2 contact portion of end cap can according to Force Calculation result and again
Amount requires selection suitable construction, can directly be contacted by two flange flanges illustrated.Fig. 8 show buffering used in buffer unit
Device outline structural diagram, for Liquid and gas damper, four buffers are evenly distributed on the type for the buffer that the present embodiment uses
In sleeve 9.As shown in figure 9, sleeve 9 be with along the buffer unit axis direction extension tubular structure, the one of sleeve
End is that the closed end other end is open end, and the closed end of the sleeve is provided with guiding-sealing device groove 9-2, is led for installing
To device, upper setting is equipped with piston rod 15 in the axial direction, and piston rod 15 can left and right be slided in sleeve 9 in the axial direction
Dynamic, the open end oral area of sleeve 9 is provided with helicitic texture 9-1, for installing end cap 2.As shown in Figure 10, sliding sleeve b11 is one end
The tubular structure of opening is used for installation and guide device 13 its exterior is equipped with pedestal b guiding device groove structure 11-1, in inner hole
Design has step 11-2, and for being used cooperatively with piston rod 15, sliding sleeve b11 and 9 contact portion of sleeve can be according to Force Calculation knots
Fruit and weight demands select suitable construction, are directly contacted by the flange flange illustrated.As shown in figure 11, piston rod 15 is axis class
Part is equipped with helicitic texture 15-1 in its left end, and for installing baffle ring 3, middle part is equipped with step 15-5, is used for and sliding sleeve b11
Be used cooperatively, be additionally provided on axle body for installation and guide device 10 and 12 the second guiding device installation groove 15-2 and
15-3, right end are also equipped with helicitic texture 15-4, for installing the second snap ring adapter 16.
When the utility model buffer unit assembles, the inner wall of sleeve 9 and sliding sleeve b11 is first cleaned, smears one on its inner wall
The very thin grease layer of layer installation and guide device 13 and is integrally put into sleeve 9, cleaning piston bar 15, in bar on sliding sleeve b11
A thin layer of grease layer is smeared with it, in piston shaft installation and guide device 10,12, in the guiding-sealing device of sleeve 9
Guiding-sealing device 14 is installed at groove 9-2, piston rod 15 is passed through into sleeve 9, sliding sleeve b11.By sleeve 9, the piston after installation
Bar 15 is integrally placed in tooling, and making the open end of sleeve 9, tooling can limit the vertical motion of piston rod 15 simultaneously upward, is prevented
Only piston rod 15 is fallen due to gravity.It is uniformly placed by tooling above buffer 8 to 9 inner sliding sleeve b11 of sleeve.Cleaning is slided
A6 is covered, installation and guide device 4,5,7 is outwardly and inwardly distinguished in sliding sleeve a6, integrally penetrates piston rod 15 after installation and guide device
On, baffle ring 3 is screwed at the step 6-2 of sliding sleeve a6.Assembly tool is integrally put into a press, precompression is applied to sliding sleeve a6,
Baffle ring 3 is tightened to torque is required, the size of precompression is selected according to design requirement.It is screwed into end cap 2 in 9 open end of sleeve simultaneously,
The the first snap ring adapter and the second snap ring adapter 1,16 for finally installing both ends, complete assembling.
Assuming that buffer unit left end is its fixing end, as shown in Fig. 2, when buffer unit is by pressure F from right to left,
Pressure passes to piston rod 15 by the second snap ring adapter 16, and piston rod 15 passes to sliding sleeve by the step 15-5 on shaft
Step 11-2 on b11 drives sliding sleeve b11 to move from right to left, and compression buffer 8 completes buffering energy-absorbing.As shown in figure 3, false
If buffer unit left end is fixing end, when buffer unit is by pulling force F from left to right, pulling force passes through the second snap ring adapter
16 pass to piston rod 15, and the baffle ring 3 by being mounted on 15 end of piston rod has passed to the step structure 6-2 on sliding sleeve a6,
Move sliding sleeve a6 from left to right, compression buffer 8 completes buffering energy-absorbing.
In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (10)
1. coupler and draft gear, including sleeve (9), piston rod (15), buffer (8), sliding sleeve a(6) and sliding sleeve b(11),
It is characterized in that:
The sleeve (9) is the tubular structure with the axis direction extension along buffer unit, and one end of the tubular structure is spacious
Open closed at one end, described piston rod (15) one end is pierced by by the closed end of sleeve (9), the piston rod (15) and the sleeve
(9) sealed end contact position is installed by guiding-sealing device (14)；
Buffer (8) described in being at least symmetrical arranged two groups in the sleeve (9), the both ends of the buffer are respectively equipped with described
Sliding sleeve a(6) and sliding sleeve b(11), the sliding sleeve a(6) and sliding sleeve b(11) be arranged by guiding device in the interior of the sleeve (9)
On wall；
The sliding sleeve b(11) be arranged in the side of the sleeve (9) closed end, the sliding sleeve a(6) be arranged and opened wide in the sleeve
The side at end；The piston rod (15) is inserted into the sliding sleeve a(6) and sliding sleeve b(11) central through hole, the piston rod (15) and
Sliding sleeve a(6) and sliding sleeve b(11) between guiding device is set；And baffle ring (3) are installed in the end of the piston rod (15), by described
Sliding sleeve a(6) on the limited step that is arranged the baffle ring (3) is limited；
The open end of the sleeve (9) is equipped with end cap (2), by the end cap (2) for the sliding sleeve a(6) it limits.
2. coupler and draft gear as described in claim 1, it is characterised in that: the sliding sleeve a(6) by pedestal a and be arranged in institute
The directed cavity a stated on pedestal a is constituted, and the pedestal a is surrounded by pedestal a guiding device installation groove (6-1), the directed cavity
The first guiding device of twice installation groove (6-3,6-4) is arranged in the inside of a；The bottom of the pedestal a, which is equipped with, accommodates the baffle ring
(3) limited step a(6-2).
3. coupler and draft gear as described in claim 1, it is characterised in that: the sliding sleeve b(11) by pedestal b and be arranged in institute
The directed cavity b stated on pedestal b is constituted, and the pedestal b is surrounded by pedestal b guiding device installation groove (11-1), the guiding
The top of chamber b is equipped with and the piston rod (15) matched limited step b(11-2).
4. coupler and draft gear as described in claim 1, it is characterised in that: the buffer (8) is Liquid and gas damper, clay
Buffer or hydraulic bjuffer.
5. coupler and draft gear as claimed in claim 4, it is characterised in that: the number of buffers is for 3,4 or more
It is a, and be evenly arranged in the sleeve (9).
6. coupler and draft gear as claimed in claim 3, it is characterised in that: be equipped with and the cunning in the middle part of the piston rod (15)
Cover b(11) limited step b(11-2) matched boss (15-5), the circumferential lateral surface of the boss (15-5) is equipped with second and leads
To device installation groove (15-2,15-3).
7. coupler and draft gear as claimed in claim 6, it is characterised in that: the both ends of the piston rod (15) are equipped with screw thread knot
Structure, helicitic texture described in both ends are connected with baffle ring (3) and the second snap ring adapter (16) respectively.
8. coupler and draft gear as described in claim 1, it is characterised in that: end cap (2) two sides are respectively equipped with external screw thread
Structure, side external thread structure are fixedly linked with the sleeve (9), and other side external screw thread and the first snap ring adapter (1) are fixed
It is connected.
9. coupler and draft gear as claimed in claim 7, it is characterised in that: the end cap (2) is equipped with piston rod guide hole (2-
3), the piston rod guide hole aperture (2-3) is greater than the baffle ring (3) diameter.
10. coupler and draft gear as claimed in claim 7, it is characterised in that: the end cap (2) and the sliding sleeve a(6) between
With the cavity flexible for the piston rod (15) installation baffle ring (3) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821758693.0U CN209126739U (en) | 2018-10-29 | 2018-10-29 | Coupler and draft gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821758693.0U CN209126739U (en) | 2018-10-29 | 2018-10-29 | Coupler and draft gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209126739U true CN209126739U (en) | 2019-07-19 |
Family
ID=67233148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821758693.0U Withdrawn - After Issue CN209126739U (en) | 2018-10-29 | 2018-10-29 | Coupler and draft gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209126739U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU196688U1 (en) * | 2020-01-14 | 2020-03-11 | Общество с ограниченной ответственностью "ЖД ТРАНС" | ABSORBING DEVICE |
| CN111098882A (en) * | 2018-10-29 | 2020-05-05 | 常州中车铁马科技实业有限公司 | Coupler buffer device |
| RU2731798C1 (en) * | 2020-01-14 | 2020-09-08 | Общество с ограниченной ответственностью "ЖД ТРАНС" | Absorbing apparatus |
| CN112477910A (en) * | 2020-12-14 | 2021-03-12 | 湖南联诚轨道装备有限公司 | Elastic daub core |
-
2018
- 2018-10-29 CN CN201821758693.0U patent/CN209126739U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098882A (en) * | 2018-10-29 | 2020-05-05 | 常州中车铁马科技实业有限公司 | Coupler buffer device |
| CN111098882B (en) * | 2018-10-29 | 2024-05-28 | 中车制动系统有限公司 | Coupler buffer device |
| RU196688U1 (en) * | 2020-01-14 | 2020-03-11 | Общество с ограниченной ответственностью "ЖД ТРАНС" | ABSORBING DEVICE |
| RU2731798C1 (en) * | 2020-01-14 | 2020-09-08 | Общество с ограниченной ответственностью "ЖД ТРАНС" | Absorbing apparatus |
| CN112477910A (en) * | 2020-12-14 | 2021-03-12 | 湖南联诚轨道装备有限公司 | Elastic daub core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220525 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: 213000 No.19 Shunyuan Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190719 Effective date of abandoning: 20240528 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190719 Effective date of abandoning: 20240528 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |