CN107107926B - Coupler buffer for railway vehicle - Google Patents

Coupler buffer for railway vehicle Download PDF

Info

Publication number
CN107107926B
CN107107926B CN201580032452.0A CN201580032452A CN107107926B CN 107107926 B CN107107926 B CN 107107926B CN 201580032452 A CN201580032452 A CN 201580032452A CN 107107926 B CN107107926 B CN 107107926B
Authority
CN
China
Prior art keywords
draft gear
coupler draft
shaft cylinder
partition
shaft
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.)
Active
Application number
CN201580032452.0A
Other languages
Chinese (zh)
Other versions
CN107107926A (en
Inventor
吴刚
姜晓东
杨庆龙
张晋伟
邓大伟
周卫兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Brake System Co Ltd
Original Assignee
CRRC Qishuyan Institute Co Ltd
CRRC Changzhou Tech Mark Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CRRC Qishuyan Institute Co Ltd, CRRC Changzhou Tech Mark Industrial Co Ltd filed Critical CRRC Qishuyan Institute Co Ltd
Publication of CN107107926A publication Critical patent/CN107107926A/en
Application granted granted Critical
Publication of CN107107926B publication Critical patent/CN107107926B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61GCOUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00Buffers
    • B61G11/18Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)

Abstract

A coupler buffer for a railway vehicle comprises a mounting seat (1), at least two energy absorption parts (2), a traction rod (3), a locking part (4), a rotating shaft cylinder (5) arranged in a mounting hole (1-1) of the mounting seat (1), a guide block (7) and a snapping part (6); the guide block is fixed on the mounting seat through a snapping component arranged in the axial direction so as to limit the axial movement of the rotating shaft cylinder in the mounting hole; the rotating shaft cylinder is provided with a partition plate (5-3) approximately perpendicular to the axial direction, and the traction rod can movably and axially penetrate through a partition plate hole (5-3-1) of the partition plate; two sides of the clapboard are respectively provided with at least one energy absorption part sleeved on the traction rod and locked by a locking part; the mounting seat is provided with a guide groove (1-2), the guide block is at least partially arranged in the guide groove, the snapping component is snapped approximately axially when the coupler buffer is overloaded, and at least the traction rod drives the rotating shaft barrel to move in the guide groove in a guiding mode through the guide block. The overload releasing structure of the coupler buffer is simple, the coupler buffer cannot be deflected and clamped in the releasing process, and the overall structure is simple and compact.

Description

A kind of coupler draft gear used for rail vehicle
Technical field
The invention belongs to the hitch technical fields of rail vehicle, are related to a kind of coupler draft gear used for rail vehicle.
Background technique
Currently, the passive protection performance of rail vehicle increasingly by people pay close attention to, and coupler draft gear as transmitting and The critical component for buffering vehicle itself tractive force and impact force, is directly related to safety and the comfort of train operation.In vehicle Collision when, coupler draft gear will carry out energy-absorbing, and the coupler draft gear that drivers' cab front end is installed on when load is excessive will be taken off It unloads and retracts vehicle body (i.e. overload unloading), to concede the space of vehicle end head.
In the prior art, the coupler draft gear for causing rail vehicle to use due to the difference of buffer medium is various informative, Overload it is also different in the structure design in terms of unloading, coupler draft gear there are it is relative complex in terms of detaching structure, using tired The labor service life is poor, so that coupler draft gear is not whole compact;Moreover, lacking guiding well when overloading unloading, in unloading process In be easy to cause offset problem.
Summary of the invention
It is an object of the present invention to propose the coupler draft gear used for rail vehicle that a kind of structure is simple, compact.
A further purpose of the present invention is to prevent coupler draft gear used for rail vehicle from occurring offset card during unloading Extremely.
Of the invention is in a purpose, and that improves hitch buffer coupling uses fatigue life.
To realize that object above or other purposes, the present invention provide a kind of coupler draft gear used for rail vehicle, including peace Fill seat, at least two energy absorbing components, draw bar and locking member, further includes:
Shaft cylinder is mounted in the mounting hole of the mounting base;
Guide pad and break component, the guide pad pass through axially be arranged break component be fixed in the mounting base with Limiting the shaft cylinder, portion moves axially in the mounting hole;
Wherein, be provided in the shaft cylinder and be approximately perpendicular to axial partition, the draw bar from the partition every Plate hole movably axially across;
Wherein, the energy absorbing component that at least one is sleeved on the draw bar is respectively set simultaneously in the two sides of the partition It is locked by the locking member;
Wherein, guide groove is provided in the mounting base, the guide pad is at least partially disposed in the guide groove, in institute Component is broken described in when stating coupler draft gear overload substantially axially to be broken and the draw bar is at least made to drive the shaft Cylinder passes through guide pad guiding movement in the guide groove.
Detailed description of the invention
From the following detailed description in conjunction with attached drawing, it will keep above and other purpose and advantage of the invention more complete It is clear, wherein the same or similar element, which is adopted, to be indicated by the same numeral.
Fig. 1 is the main view of the coupler draft gear used for rail vehicle of an embodiment according to the invention.
Fig. 2 is the A-A cross-sectional view of embodiment illustrated in fig. 1 coupler draft gear used for rail vehicle.
Fig. 3 is the local B-B cross-sectional view of embodiment illustrated in fig. 2 coupler draft gear used for rail vehicle.
Fig. 4 is the left view of the shaft cylinder of embodiment illustrated in fig. 2.
Fig. 5 is the three-dimensional view of the mounting base of embodiment illustrated in fig. 1 coupler draft gear used for rail vehicle.
Fig. 6 is the main view of the draw bar of embodiment illustrated in fig. 1 coupler draft gear used for rail vehicle.
Fig. 7 is the C-C cross-sectional view of the draw bar of embodiment illustrated in fig. 6.
Fig. 8 is the compression schematic diagram of the right side elastomer of embodiment illustrated in fig. 2 coupler draft gear used for rail vehicle.
Fig. 9 is the compression schematic diagram of the left side elastomer of embodiment illustrated in fig. 2 coupler draft gear used for rail vehicle.
Figure 10 is the fracture schematic diagram for breaking component of embodiment illustrated in fig. 2 coupler draft gear used for rail vehicle.
Figure 11 is the main view of the coupler draft gear used for rail vehicle of another embodiment according to the invention.
Specific embodiment
What is be described below is some in multiple possible embodiments of the invention, it is desirable to provide to of the invention basic Solution, it is no intended to confirm crucial or conclusive element of the invention or limit scope of the claimed.It is readily appreciated that, according to this The technical solution of invention, in the case where not changing connotation of the invention, those of ordinary skill in the art can propose can be mutual Other implementations of replacement.Therefore, following specific embodiments and attached drawing are only the examples to technical solution of the present invention Property explanation, and be not to be construed as whole of the invention or be considered as to define or limit technical solution of the present invention.
It is detailed there is no being carried out to all multiple components shown in figure for the clear and concise of description in following description Thin description.The of the invention multiple components for being fully able to realize are provided shown in the drawings of for those of ordinary skill in the art.It is right For those skilled in the art, perhaps multipart operation is all familiar and apparent.
Herein, the direction definition where the central axis of draw bar is axial, and the directions such as "left", "right" belong to direction It defines in the axial direction, "upper", "lower" are that installation positioning of the coupler draft gear according to the present invention in normal use comes Definition;It is to be understood that these directional terminologies are opposite concepts, they are used for the description and clarification of relativity, are not The orientation of the component of any embodiment or any embodiment is limited to specific direction or orientation.
Fig. 1 show the perspective view of the coupler draft gear used for rail vehicle of an embodiment according to the invention.Below in conjunction with Fig. 1 to Fig. 7 to the specific structure of the coupler draft gear used for rail vehicle (hereinafter referred to as " buffer ") of the embodiment of the present invention into Row illustrates.
As shown in figs. 1-7, in this embodiment, buffer includes mounting base 1, can pass through installation as shown in Figure 5 Bolt mounting holes 1-5 on seat 1 break-through and is formed inside mounting base 1 in the axial direction by buffer installation car body at one end Mounting hole 1-1, mounting hole 1-1 in the axial direction the break-through mounting base 1 to form accommodation space.Buffer is also mainly included in Draw bar 3 that axis is set up, shaft cylinder 5, at least two elastomers 2, locking member 4, guide pad 7 and break component 6.Shaft cylinder 5 are mounted in the mounting hole 1-1 of mounting base 1, and in this embodiment, shaft cylinder 5 includes two turns up and down be arranged in its periphery A guide pad 7 accordingly, above and below shaft cylinder 5 is respectively arranged in axis 5-2, and each guide pad 7 is provided with shaft hole 7-1, Two shaft 5-2 up and down of shaft cylinder 5 are respectively rotatablely connected with guide pad 7 by shaft hole 7-1.During installation, such as Shown in Fig. 3, each shaft 5-2 correspondence of shaft cylinder 5 is placed in the shaft hole 7-1 of guide pad 7, then, will by breaking component 6 Guide pad 7 is fixed on the end face 1-7 of mounting base 1, in this way, shaft cylinder 5 is directed to block 7 and breaks the restriction of component 6, to limit Shaft cylinder 5 moves axially inside mounting hole 1-1.Breaking component 6 specifically can be, but not limited to break bolt 6 to break bolt It is roughly parallel to axial setting, is substantially vertically arranged in this way with the end face 1-7 of mounting base, breaking bolt 6 can be screwed into as in Fig. 3 Shown in mounting base 1 threaded hole 1-6 in, so that guide pad 7 is fixed.
Specifically, as shown in Fig. 2, upper and lower two shaft 5-2 are coaxial on the vertical direction of 3 central axis of draw bar Setting, upper and lower two shaft 5-2 are with respect to mounting base 1 and guide pad 7 can be rotatable around its axis, in this way, shaft cylinder 5 by Under the action of offset direction power, upper and lower two shaft 5-2 (in the range of mounting hole 1-1) rotatable around its axis can be passed through.
In order to improve the wearability of upper and lower two shaft 5-2, the periphery of each shaft 5-2 is set with rotating axle bushing 11.
Referring to fig. 2, there are two guide grooves for setting in (such as on its inner wall) Fig. 3 and Fig. 5, the mounting hole 1-1 of mounting base 1 1-2, guide groove 1-2 are corresponding guide pads 7 and are arranged that guide pad 7 is at least partially disposed in guide groove 1-2, and is not being drawn When Broken bolt 6 is fixed, guide pad 7 can in guide groove left and right guiding movement, thus make each shaft 5-2 of shaft cylinder 5 It is slidably matched with respective guide groove 1-2.When breaking the fracture of bolt 6,7 respective guide slot 1-2 of guide pad is can to control work Dynamic, draw bar 3 drives shaft cylinder 5, passes through the guiding movement in guide groove 1-2 of guide pad 7.
Referring to Fig. 1 and Fig. 3, Fig. 5, dustproof cover 9 is provided on the outer surface of mounting base 1, mounting base 1 is located at shaft 5-2 Place is equipped with dust-proof cap bore 1-3, and dustproof cover 9, which removably covers, to be set on the dust-proof cap bore 1-3 of mounting base 1, and fixed with mounting base 1 Connection;The setting of dustproof cover 9 can be easy to understand the installation condition of guide pad 7, and have dust-proof effect.
Referring to fig. 2 and Fig. 4, shaft cylinder 5 is equipped with partition 5-3, and the substantially vertical setting of partition 5-3 is with by the inside of shaft cylinder 5 Corresponding mounting hole 5-1 in space or so separates.Partition 5-3 can be set on the axis corresponding to upper and lower two shaft 5-2.Every Medium position on plate 5-3 is corresponding equipped with partition board hole 5-3-1, and draw bar 3 can extend axially through partition board hole 5-3-1 (such as Fig. 2 It is shown).The radial dimension of partition board hole 5-3-1 relatively larger than draw bar 3 radial dimension, to make draw bar 3 with respect to shaft set Cylinder 5 is mobilizable, for example, draw bar 3 moves left and right in partition board hole 5-3-1.Specifically, partition board hole 5-3-1 can with but not It is limited to poroid for rectangle, in particular, the upper and lower inner wall 5-3-2 of partition board hole 5-3-1 is arranged to convex arc shape, that is, upper, The intersection of lower inner wall 5-3-2 and the vertical cross-section of the central axis by shaft cylinder 5 is in convex or pointed shape;Draw bar 3 Periphery on set there are two symmetrical swinging plane 3-1 (referring to Fig. 6), swinging plane 3-1 and upper and lower inner wall 5-3-2 phase Cooperation;In this way, allow draw bar 3 to swing by a small margin up and down relative to axial work when under buffer normal load, it is upper and lower interior The convex structure of wall surface 5-3-2 can make draw bar 3 more smooth when swinging up and down.
With continued reference to Fig. 2 and Fig. 4, shaft cylinder 5 can be several can be set on the barrel of generally cylindrical, shaft cylinder 5 Fabrication hole (not shown), for example, being equipped with 2~6 fabrication holes on the barrel in the left side of partition 3, fabrication hole is provided with Conducive to saving material, and it can be convenient carrying in the handling process.
Referring to fig. 2, draw bar 3 is arranged in the axial direction, and left end can be connect by other connecting components with another car body, Its right end be arranged locking member 4, draw bar 3 movably axially across the partition board hole 5-3-1 of the partition 5-3 of shaft cylinder 5, in this way, Several elastomers 2 being sleeved on draw bar 3 can be respectively set in the two sides of partition 5-3;In this embodiment, draw bar 3 Left end opposed separators 5-3 and stopper section 3-2 is fixedly installed, the right end opposed separators 5-3 of draw bar 3 and be removably secured and set Retaining ring 8 is set, in other embodiments, stopper section 3-2 mode can also be fixed on the left end of draw bar 3 releasably secure; Formed between stopper section 3-2 and partition 5-3 the first space (i.e. include partition 5-3 on the left of the space mounting hole 5-1), retaining ring 8 with Second space (including the space mounting hole 5-1 on the right side of partition 5-3) is formed between partition 5-3, illustratively, is held in the first space It receives there are two elastomer 2, accommodates an elastomer 2 in second space;Break bolt 6 it is unbroken when, shaft cylinder 5 is opposite to pacify It is fixed to fill seat 1, thus, when draw bar 3 moves right (under compressive load operating condition), second space while the first space reduces Increase, two elastomers 2 in the first space are axial to be extruded to absorb energy;(the tensile load work when draw bar 3 is moved to the left Under condition), second space reduces while the first space increases, and an elastomer 2 for second space is axial to be extruded to absorb energy Amount.Locking member 4 is to be removably secured (such as being bolted) in the component of the right end of draw bar 3, locking, retaining ring 8 are resisted and fixed by locking members 4, from the axially displaced of limitation elastomer 2.Wherein, the radial ruler of stopper section 3-2 and/or retaining ring 8 The very little radial dimension that can be less than shaft cylinder 5.
Elastomer 2 is a kind of energy absorbing component, can be deformed in the axial direction and absorb energy, and elastomer 2 is hanging down Directly substantially circular in specifically can be, but not limited on axial section, the specific material of elastomer 2 is not limiting, It can restore shape substantially when being not subject to pressure.During installation, before the installation of draw bar 3, first by as shown in Figure 2 two Elastomer 2 is sleeved on draw bar 3, draw bar 3 is then passed through partition board hole 5-3-1, then again by one on the right side of partition 5-3 Elastomer 2 is sleeved on draw bar 3, retaining ring 8 is then installed, then tighten locking member 4, so as to lock elastomer 2.
In one embodiment, the quantity for the elastomer 2 that the first space is correspondingly arranged is greater than the bullet that second space is correspondingly arranged The quantity of property body 2;In another embodiment, the quantity for the elastomer 2 that the first space is correspondingly arranged is less than second space correspondence and sets The quantity for the elastomer 2 set.Namely illustrate, the first sky can be set according to the specific operating condition of compressive load and tensile load Between/second space in elastomer 2 quantity.The number of elastomer 2 is not limitation, can be to guarantee the bullet in normal load Property body 2 can the abundant energy-absorbing number that is standard elastomer 2 is arranged.
Inventors noted that the connector of announcement disclosed in existing patent PCT/EP2006/002903, wherein as slow The energy absorbing component for rushing medium is elastic ring.Under impact force action, the shear-deformable and elastic ring of elastic ring is mainly utilized The damping of material itself absorb impact energy, therefore, impact force when traction and braking all acts on same group as slow It rushes on the elastic ring of medium, and is in mainly alternation shear action form, i.e., deformed in a manner of shearing deformation, to be easy to Cause elastomer fatigue life short, it is difficult to meet the use demand of user's long-life.
In the buffer coupling of above embodiments, the setting of partition 5-3 so that elastomer is respectively placed in its left and right sides, To in traction working condition and damped condition, be respectively acting on not ipsilateral elastomer, make elastomer compressive deformation (without It is shearing deformation) impact energy is absorbed, be conducive to the fatigue life for significantly improving the energy absorbing component as buffer medium, draw Action mode of the active force that bar 3 is transmitted on elastomer 2 is also more reasonable.
With continued reference to Fig. 2, in one embodiment, it is additionally provided between two elastomers 2 of the left side of partition 5-3 setting Spacing board 10, intermediate bulkhead 10 can separate two elastomers 2, to increase the frictional force of elastomer 2 and increase energy suction Receipts ability.
Several limit hole 5-3-4 are all had referring to fig. 2 and on two sides of Fig. 4, partition 5-3, accordingly, with partition 5- With several retention bead 2-1 with limit hole 5-3-4 cooperation on 3 adjacent elastomers 2;It can also be equipped on retaining ring 8 several Limit hole 8-1, accordingly, also with several retention bead 2- with limit hole 8-1 cooperation on the elastomer 2 adjacent with retaining ring 8 2, it can thus limit the rotation of elastomer 2.
It should be noted that it is basically parallel to axial setting due to breaking component 6, and under load in left and right directions, traction The power of bar 3 can be transferred to by elastomer 2, shaft cylinder 5, guide pad 7 and break component 6, be generated to component 6 is broken opposite The shape and structure and/or material for breaking component 6 can be set in pulling force (i.e. axial force), predefines and breaks component 6 and can bear Axial force value range, when overload conditions occur, the axial force of coupler draft gear (is overloaded when being more than predetermined range value When) break component 6 and be pulled off, to make at least draw bar 3 drive shaft cylinder 5 by guide groove 1-2 guiding movement, also, can To move in the length range of guide groove 1-2, prevent coupler draft gear used for rail vehicle from occurring offset card during unloading Extremely, to realize the smooth unloading of the internal structure of buffer.This overload detaching structure of buffer is simple, and buffer exists Compact-sized in axial direction, overall structure is simple.
Fig. 8 show the compression schematic diagram of the right side elastomer of embodiment illustrated in fig. 2 coupler draft gear used for rail vehicle.It is slow Device is rushed under tensile load operating condition, draw bar 3 is stretched from left end, and draw bar 3 is moved to the left, 2 quilt of elastomer on the right side of partition 5-3 Compression is to absorb energy.
Fig. 9 show the compression schematic diagram of the left side elastomer of embodiment illustrated in fig. 2 coupler draft gear used for rail vehicle.It is slow Device is rushed under compressive load operating condition (such as when collision or brake), as shown in figure 8, draw bar 3 moves right, on the left of partition 5-3 Elastomer 2 compressed, to absorb energy.
Figure 10 show the fracture schematic diagram for breaking component of embodiment illustrated in fig. 2 coupler draft gear used for rail vehicle.Example Such as, it is moved right with draw bar 3 as example, in the axial force transmission to shaft cylinder 5 of draw bar 3, in overload, breaks bolt 6 It bears to be able to bear substantially axial critical impulse power greater than it, breaks the fracture of bolt 6 to will lead to, draw bar 3 is with turn Beam barrel 5 and guide pad 7 are moved to right along guide groove 1-2, realize unloading inside buffer, and guide groove 1-2 therefore can be in overload Realize guide function, so that shaft cylinder 5 will not shift when moving to right, it will not be stuck during unloading, it ensure that 5 energy of shaft cylinder Normal unloading.
In the buffer of embodiment shown in Fig. 2, the radial dimension of setting stopper section 3-2 is less than the radial ruler of shaft cylinder 5 Very little, the barrel of shaft cylinder 5 will not prevent stopper section 3-2 axially displaced, so that load is substantially complete in coupler draft gear overload It is transferred to shaft cylinder 5 full by two elastomers 2, and then is transferred to guide pad 7 and breaks bolt 6, so that it be made to be pulled off.
Figure 11 is the main view of the coupler draft gear used for rail vehicle of another embodiment according to the invention.Compared to Fig. 2 institute Show the buffer of embodiment, the main distinction of the buffer of embodiment illustrated in fig. 11 is, the radial dimension of stopper section 3-2 is set It is set to the radial dimension greater than beam barrel 5, in this way when coupler draft gear overloads, the barrel of beam barrel 5 can prevent stopper section 3-2 axis To displacement, load at least part passes through stopper section 3-2 and is transferred directly to the shaft cylinder 5, and load another part passes through Two elastomers 2 are transferred to shaft cylinder 5, are beneficial to prevent in the case where overloading very big situation directly crushing destruction elastomer in this way 2。
Example above primarily illustrates coupler draft gear used for rail vehicle of the invention.Although only to some of present invention Embodiment be described, but those of ordinary skill in the art are it is to be appreciated that the present invention can be without departing from its spirit Implement in range in many other forms, for example, buffer is additionally provided with centralising device and/or support device etc..Therefore, The example shown is considered as illustrative and not restrictive with embodiment, determines not departing from appended claims such as In the case where the spirit and scope of the present invention of justice, the present invention may cover various modification and replacement.

Claims (17)

1. a kind of coupler draft gear used for rail vehicle, including mounting base (1), at least two energy absorbing components (2), draw bar (3) and Locking member (4), which is characterized in that further include:
Shaft cylinder (5) is mounted in the mounting hole (1-1) of the mounting base (1);
It guide pad (7) and breaks component (6), the guide pad (7) passes through the component (6) of breaking axially being arranged and is fixed on the peace It is moved axially on dress seat (1) with limiting the shaft cylinder (5) inside the mounting hole (1-1);
Wherein, be provided in the shaft cylinder (5) and be approximately perpendicular to axial partition (5-3), the draw bar (3) from it is described every The partition board hole (5-3-1) of plate (5-3) movably axially across;
Wherein, at least one energy-absorbing portion being sleeved on the draw bar (3) is respectively set in the two sides of the partition (5-3) Part (2) is simultaneously locked by the locking member (4);
Wherein, it is provided with guide groove (1-2) on the mounting base (1), the guide pad (7) is at least partially disposed in the guide groove In (1-2), in coupler draft gear overload described in break component (6) and substantially axially broken and at least make the traction Bar (3) drives the shaft cylinder (5) by the guide pad (7) in the guide groove (1-2) interior guiding movement.
2. coupler draft gear as described in claim 1, which is characterized in that the shaft cylinder (5) includes cylinder (5-4) and setting Upper and lower shaft (5-2) in the periphery cylinder (5-4), the corresponding upper and lower shaft (5-2) is respectively set to be rotatablely connected with it The guide pad (7).
3. coupler draft gear as claimed in claim 2, which is characterized in that the partition (5-3) setting correspond to it is described it is upper, On the axis of lower rotary shaft (5-2).
4. coupler draft gear as claimed in claim 2, which is characterized in that the upper and lower shaft (5-2) and the shaft cylinder (5) it is integrated design, is provided with shaft hole (7-1) on the guide pad (7), the upper and lower shaft (5-2) is installed in described To realize the rotation connection in shaft hole (7-1), and make the shaft cylinder (5) can be around the axis of the upper and lower shaft (5-2) Line rotation.
5. coupler draft gear as described in claim 1, which is characterized in that described break component (6) are to break bolt.
6. coupler draft gear as claimed in claim 2, which is characterized in that the periphery suit of the corresponding upper and lower shaft (5-2) There are rotating axle bushing (11).
7. coupler draft gear as described in claim 1, which is characterized in that the partition board hole (5-3-1) of the partition (5-3) is in square Shape is poroid, and the friendship of the vertical cross-section of the upper and lower inner wall (5-3-2) of partition board hole (5-3-1) and the central axis for crossing shaft cylinder (5) Line is in convex.
8. coupler draft gear as described in claim 1, which is characterized in that the partition board hole (5-3-1) of the partition (5-3) is in square Shape is poroid, and the friendship of the vertical cross-section of the upper and lower inner wall (5-3-2) of partition board hole (5-3-1) and the central axis for crossing shaft cylinder (5) Line is in convex, is set on the periphery of the draw bar (3) there are two symmetrical swinging plane (3-1), two described swing are put down Face (3-1) is matched with upper and lower inner wall (5-3-2) respectively.
9. coupler draft gear as described in claim 1, which is characterized in that be provided at least one use on the partition (5-3) In the limit hole (5-3-4) for limiting energy absorbing component (2) rotation.
10. coupler draft gear as described in claim 1, which is characterized in that the relatively described partition in left end of the draw bar (3) (5-3) and stopper section (3-2) is fixedly installed, the relatively described partition (5-3) of the right end of the draw bar (3) and be removably secured It is arranged retaining ring (8);Wherein, form the first space between the stopper section (3-2) and the partition (5-3), the retaining ring (8) with Second space is formed between the partition (5-3).
11. coupler draft gear as claimed in claim 10, which is characterized in that accommodate two suctions in first space Energy component (2), accommodates the energy absorbing component (2) in the second space.
12. coupler draft gear as claimed in claim 10, which is characterized in that the outer periphery size of the stopper section (3-2) Less than the inner wall radial dimension of the cylinder (5-4) of the shaft cylinder (5), in coupler draft gear overload, load passes through The energy absorbing component (2) is transferred to the shaft cylinder (5).
13. coupler draft gear as claimed in claim 10, which is characterized in that the outer periphery size of the stopper section (3-2) Greater than the inner wall radial dimension of the cylinder (5-4) of the shaft cylinder (5), and no more than the cylinder (5-4) of the shaft cylinder (5) Outer periphery size, in coupler draft gear overload, load is directly transmitted at least partially by the stopper section (3-2) To the shaft cylinder (5).
14. coupler draft gear as claimed in claim 11, which is characterized in that between two energy absorbing component (2) components It is provided with intermediate bulkhead (10).
15. coupler draft gear as described in claim 1, which is characterized in that the energy absorbing component (2) is elastomer.
16. coupler draft gear as claimed in claim 15, which is characterized in that be provided at least one on the elastomer and be used for Limit the retention bead (2-1) of the energy absorbing component (2) rotation.
17. coupler draft gear as described in claim 1, which is characterized in that it further include dustproof cover (9), the mounting base (1) Be equipped with dust-proof cap bore (1-3) at shaft (5-2), dustproof cover (9) lid set on dust-proof cap bore (1-3) and with mounting base (1) It is fixedly connected.
CN201580032452.0A 2014-06-30 2015-06-30 Coupler buffer for railway vehicle Active CN107107926B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2014103040693 2014-06-30
CN201410304069.3A CN104149811B (en) 2014-06-30 2014-06-30 Buffer with detaching device for railway vehicle
PCT/CN2015/082834 WO2016000602A1 (en) 2014-06-30 2015-06-30 Coupler buffer for railway vehicle

Publications (2)

Publication Number Publication Date
CN107107926A CN107107926A (en) 2017-08-29
CN107107926B true CN107107926B (en) 2019-05-31

Family

ID=51875493

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201410304069.3A Active CN104149811B (en) 2014-06-30 2014-06-30 Buffer with detaching device for railway vehicle
CN201580032452.0A Active CN107107926B (en) 2014-06-30 2015-06-30 Coupler buffer for railway vehicle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201410304069.3A Active CN104149811B (en) 2014-06-30 2014-06-30 Buffer with detaching device for railway vehicle

Country Status (2)

Country Link
CN (2) CN104149811B (en)
WO (1) WO2016000602A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104149811B (en) * 2014-06-30 2016-05-18 常州南车铁马科技实业有限公司 Buffer with detaching device for railway vehicle
CN105035113A (en) * 2015-07-22 2015-11-11 常州南车铁马科技实业有限公司 Double-stage type vehicle front-end energy-absorbing device
DE102016206989A1 (en) * 2016-04-25 2017-10-26 Voith Patent Gmbh Bracket assembly
CH713677B1 (en) * 2017-04-06 2021-04-30 Faiveley Transp Schwab Ag Linkage device for a coupling of a rail vehicle.
CN109094603A (en) * 2018-08-30 2018-12-28 中车株洲电力机车有限公司 Rail vehicle and its coupler pocket
WO2020042430A1 (en) 2018-08-30 2020-03-05 中车株洲电力机车有限公司 Rail vehicle and coupling box thereof
CN109579757A (en) * 2018-12-25 2019-04-05 李立群 The anti-jump detection device of lock pin under hitch
CN110588704B (en) * 2019-09-29 2024-04-09 神华铁路装备有限责任公司 Dismounting device of coupler buffer
CN113619636B (en) * 2020-05-07 2022-09-27 中车制动系统有限公司 Coupler buffer connecting device with anti-lateral-bending function for railway vehicle
CN112793615B (en) * 2021-02-09 2023-08-29 大连华锐重工焦炉车辆设备有限公司 Short-size compact coupler buffer device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB194055A (en) * 1922-01-07 1923-03-08 Metropolitan Carriage Wagon An Improvements in and relating to collision buffers for railway and like vehicles
US6814246B2 (en) * 1999-03-12 2004-11-09 Payne Thomas S Collision attenuating system
DE50008207D1 (en) * 1999-09-08 2004-11-18 Schwab Verkehrstechnik Ag Scha Buffers for rail vehicles
DE20009859U1 (en) * 2000-05-31 2001-10-11 Sab Wabco Bsi Verkehrstechnik Device for the elastic mounting of the coupling arm of a central buffer coupling on a rail vehicle
JP4315861B2 (en) * 2004-05-28 2009-08-19 東日本旅客鉄道株式会社 Shock absorption structure between vehicle bodies in articulated vehicles
DE502005001252D1 (en) * 2005-05-03 2007-09-27 Voith Turbo Scharfenberg Gmbh Central buffer coupling for rail vehicles
EP1995146A1 (en) * 2007-05-21 2008-11-26 Faiveley Transport Remscheid GmbH Device for elastic jointed bearing of a coupling
ATE546331T1 (en) * 2009-10-01 2012-03-15 Voith Patent Gmbh DEVICE FOR DAMPENING TENSILE AND PRESSURE FORCES
CN101698414B (en) * 2009-11-09 2011-06-01 青岛四方车辆研究所有限公司 Semi-permanent car coupler for light rail
CN201834024U (en) * 2010-10-14 2011-05-18 南车戚墅堰机车车辆工艺研究所有限公司 Central buffer connector
CN101985302A (en) * 2010-10-14 2011-03-16 南车戚墅堰机车车辆工艺研究所有限公司 Central buffering connector
CN102343918B (en) * 2011-07-12 2016-08-17 中车青岛四方车辆研究所有限公司 Interior breaking type buffer device for rail vehicle
CN102632906B (en) * 2012-04-17 2014-09-10 青岛思锐科技有限公司 Compact buffer with overload protection
CN103507823B (en) * 2012-06-25 2016-02-24 南车戚墅堰机车车辆工艺研究所有限公司 Traction buffer device
CN203996266U (en) * 2014-06-30 2014-12-10 常州南车铁马科技实业有限公司 A kind of energy disperser with disconnecting means used for rail vehicle
CN104149811B (en) * 2014-06-30 2016-05-18 常州南车铁马科技实业有限公司 Buffer with detaching device for railway vehicle

Also Published As

Publication number Publication date
CN104149811B (en) 2016-05-18
CN104149811A (en) 2014-11-19
CN107107926A (en) 2017-08-29
WO2016000602A1 (en) 2016-01-07

Similar Documents

Publication Publication Date Title
CN107107926B (en) Coupler buffer for railway vehicle
CN106715230B (en) Hook buffer connector for railway vehicle and buffer connection system using same
AU2008246063B2 (en) Compressible elastomeric spring
US9919721B2 (en) Front suspension system having overload protection
US8051995B2 (en) Energy dissipation device for a car body of a multi-member rail vehicle
EP2851260B1 (en) A coupler
US20150008208A1 (en) Compact buffer having overload protection
GB2517970A (en) A buffer
CN103507823B (en) Traction buffer device
CN105172827A (en) Car coupler rear-mounted type crushing pipe with limiting device
CN204399189U (en) Efficient train shock absorber
CN203283245U (en) Compact type buffer with pulling-and-pressing conversion structure
CN203996265U (en) A kind of used for rail vehicle coupler draft gear
CN214112199U (en) Heavy-duty car chassis towing hook convenient to assembly
CN203996266U (en) A kind of energy disperser with disconnecting means used for rail vehicle
CN103241261B (en) Compact type bumper with pulling and pressing switching structure
CN202493662U (en) Buffering-fixing device of reduction box
CN218257592U (en) Take drawbar of bradyseism
CN104859678A (en) Traction buffer device and traction rod thereof
CN218141400U (en) Anti-collision type front bumper anti-collision beam
CN210178825U (en) Hoisting buffer structure
CN211969617U (en) Crawler tensioning device and crawler type engineering machinery
CN215883564U (en) Motor vehicle protective bar
CN201932187U (en) Integrated type two-level rigidity buffer
CN102358567A (en) Bridge crane with magnetic stopper

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220516

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: 213125 Changzhou City, Jiangsu Province, China

Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd.

Patentee before: CRRC Qishuyan Locomotive and rolling stock Technology Research Institute Co., Ltd