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CN107107926A - A kind of coupler draft gear used for rail vehicle - Google Patents

A kind of coupler draft gear used for rail vehicle Download PDF

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Publication number
CN107107926A
CN107107926A CN201580032452.0A CN201580032452A CN107107926A CN 107107926 A CN107107926 A CN 107107926A CN 201580032452 A CN201580032452 A CN 201580032452A CN 107107926 A CN107107926 A CN 107107926A
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CN
China
Prior art keywords
draft gear
coupler draft
shaft cylinder
shaft
partition
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.)
Granted
Application number
CN201580032452.0A
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Chinese (zh)
Other versions
CN107107926B (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

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Classifications

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

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

Abstract

A kind of coupler draft gear used for rail vehicle, it includes mounting seat(1), at least two energy absorbing components(2), draw bar(3), locking member(4), installed in mounting seat(1)Mounting hole(1‑1)Internal rotating shaft cylinder(5), guide pad(7)With break part(6);Guide pad is fixed in mounting seat to limit the axial movement inside mounting hole of rotating shaft cylinder by axially arranged part of breaking;Rotating shaft cylinder, which is provided with, is approximately perpendicular to axial dividing plate(5‑3), partition board hole of the draw bar from dividing plate(5‑3‑1)Movably axially across;The both sides of dividing plate are respectively provided to few one energy absorbing component being sleeved on draw bar and locked by locking member;Guide groove is provided with mounting seat(1‑2), guide pad is at least partially disposed in guide groove, broken when coupler draft gear overloads part substantially axially broken and at least make draw bar drive rotating shaft cylinder by guide pad the guiding movement in guide groove.The overload detaching structure of the coupler draft gear is simple, it is stuck to be offset during shirking, and overall structure is simple, 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 is increasingly paid close attention to by people, and coupler draft gear is directly related to safety and the comfort of train operation as the critical component for transmitting and buffering vehicle itself tractive force and impact force.In vehicle collision, 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 retracted vehicle body (i.e. overload unloading) by unloading, to concede the space of vehicle end head.
In the prior art, since the coupler draft gear that the difference of buffer medium causes rail vehicle to use is various informative, also different in the structure design in terms of overloading unloading, coupler draft gear is there are relative complex, poor using fatigue life in terms of detaching structure, so that coupler draft gear is not whole compact;Moreover, lacking guiding well when overloading unloading, offset problem is easy to cause during unloading.
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 during unloading stuck.
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 mounting base, 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 passes through the component of breaking axially being arranged and is fixed in the mounting base to limit shaft cylinder portion's axial movement in the mounting hole with component, the guide pad is broken;
Wherein, be provided in the shaft cylinder and be approximately perpendicular to axial partition, the draw bar from the partition board hole of the partition movably axially across;
Wherein, the two sides of the partition are respectively set at least one and are sleeved on the draw bar The energy absorbing component is simultaneously 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 coupler draft gear overload described in break component and substantially axially broken and at least make the draw bar that the shaft cylinder be driven to pass 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 be more complete and clear above and other purpose and advantage of the invention, 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 basic understanding of the invention, 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 the technique and scheme of the present invention, in the case where not changing connotation of the invention, those of ordinary skill in the art can propose other implementations that can be replaced mutually.Therefore, following specific embodiments and attached drawing are only to technical side of the invention The exemplary illustration of case, 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.
In following description, for the clear and concise of description, there is no be described in detail all multiple components shown in figure.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.To those skilled in the art, perhaps multipart operation is all familiar and apparent.
Herein, direction definition where the central axis of draw bar is axial, the directions such as "left", "right" belong to direction in the axial direction to define, and "upper", "lower" are that installation of the coupler draft gear according to the present invention in normal use positions to define;It is to be understood that these directional terminologies are opposite concepts, they are used for the description and clarification of relativity, are not meant to the orientation of the component of any embodiment or any embodiment being 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.It is illustrated below in conjunction with specific structure of the Fig. 1 to Fig. 7 to the coupler draft gear used for rail vehicle (hereinafter referred to as " buffer ") of the embodiment of the present invention.
As shown in figs. 1-7, in this embodiment, buffer includes mounting base 1, it can pass through the bolt mounting holes 1-5 in mounting base 1 as shown in Figure 5, it will be on the car body of buffer installation at one end, break-through and form mounting hole 1-1 in the axial direction inside mounting base 1, mounting hole 1-1 in the axial direction the break-through mounting base 1 to form accommodation space.Buffer also mainly includes the draw bar 3 being arranged in the axial direction, shaft cylinder 5, at least two elastomers 2, locking member 4, guide pad 7 and breaks component 6.Shaft cylinder 5 is mounted in the mounting hole 1-1 of mounting base 1, in this embodiment, shaft cylinder 5 includes two shaft 5-2 up and down in the setting of its periphery, accordingly, one guide pad 7 is respectively set above and below shaft cylinder 5, each guide pad 7 is provided with shaft hole 7-1, and 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, as shown in Figure 3, each shaft 5-2 correspondence of shaft cylinder 5 is placed in the shaft hole 7-1 of guide pad 7, then, guide pad 7 is fixed on the end face 1-7 of mounting base 1 by breaking component 6, in this way, shaft cylinder 5 is directed to block 7 and breaks the restriction of component 6, moved axially inside mounting hole 1-1 to limit shaft cylinder 5.Breaking component 6 specifically can be, but not limited to break bolt, it breaks bolt 6 and is roughly parallel to axial setting, it is substantially vertically arranged in this way with the end face 1-7 of mounting base, breaking bolt 6 can be screwed into the threaded hole 1-6 of mounting base 1 as shown in Figure 3, so that guide pad 7 is fixed.
Specifically, as shown in Fig. 2, upper and lower two shaft 5-2 be coaxially disposed on the vertical direction of 3 central axis of draw bar, upper and lower two shaft 5-2 are with respect to mounting base 1 and guide pad 7 Being can be rotatable around its axis, in this way, shaft cylinder 5 under the action of by offset direction power, can pass through upper and lower two shaft 5-2 (in the range of mounting hole 1-1) rotatable around its axis.
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, Fig. 3 and Fig. 5, there are two guide groove 1-2 for setting in the mounting hole 1-1 of mounting base 1 (such as on its inner wall), guide groove 1-2 is corresponding guide pad 7 and is arranged, guide pad 7 is at least partially disposed in guide groove 1-2, and when not breaking the fixation of bolt 6, guide pad 7 can in guide groove left and right guiding movement, so that each shaft 5-2 of shaft cylinder 5 and respective guide groove 1-2 is slidably matched.Break bolt 6 be broken when, 7 respective guide slot 1-2 of guide pad be can left and right it is movable, draw bar 3 drive shaft cylinder 5, pass 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, being located at shaft 5-2 for mounting base 1 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 is fixedly connected with mounting base 1;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 are equipped with partition 5-3, and the substantially vertical setting of partition 5-3 is to separate corresponding mounting hole 5-1 in the inner space of shaft cylinder 5 or so.Partition 5-3 can be set on the axis corresponding to upper and lower two shaft 5-2.Medium position on partition 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 (as shown in Figure 2).The radial dimension of partition board hole 5-3-1 relatively larger than draw bar 3 radial dimension, thus make draw bar 3 with respect to shaft sleeve 5 be 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 be, but not limited to poroid for rectangle, and 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 and lower inner wall 5-3-2 and the intersection by the vertical cross-section of the central axis of shaft cylinder 5 are in convex or pointed shape;Symmetrical swinging plane 3-1 (referring to Fig. 6) there are two setting on the periphery of draw bar 3, swinging plane 3-1 are matched with upper and lower inner wall 5-3-2;In this way, allowing draw bar 3 to swing by a small margin up and down relative to axial work, the convex structure of upper and lower inner wall 5-3-2 can make draw bar 3 more smooth when swinging up and down when under buffer normal load.
With continued reference to Fig. 2 and Fig. 4, shaft cylinder 5 can be generally cylindrical, several fabrication hole (not shown)s can be set on the barrel of shaft cylinder 5, such as, 2~6 fabrication holes are equipped on the barrel in the left side of partition 3, being provided with for fabrication hole is conducive to save material, and can be convenient carrying in the handling process.
Referring to fig. 2, draw bar 3 is arranged in the axial direction, its left end can be connect by other connecting components with another car body, locking member 4 is arranged in its right end, draw bar 3 is 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, the left end opposed separators 5-3 of draw bar 3 and stopper section 3-2 is fixedly installed, the right end opposed separators 5-3 of draw bar 3 and be removably secured setting retaining ring 8, in other embodiments, stopper section 3-2 mode can also be fixed on the left end of draw bar 3 releasably secure;The first space (including the space mounting hole 5-1 on the left of partition 5-3) is formed between stopper section 3-2 and partition 5-3, second space (including the space mounting hole 5-1 on the right side of partition 5-3) is formed between retaining ring 8 and partition 5-3, illustratively, it is accommodated in first space there are two elastomer 2, accommodates an elastomer 2 in second space;Break bolt 6 it is unbroken when, shaft cylinder 5 is fixed with respect to mounting base 1, thus, when draw bar 3 moves right (under compressive load operating condition), second space increases while first space reduces, and two elastomers 2 in the first space are axial to be extruded to absorb energy;When draw bar 3 is moved to the left (under tensile load operating condition), second space reduces while the first space increases, and an elastomer 2 for second space is axial to be extruded to absorb energy.Locking member 4 is to be removably secured (such as being bolted) in the component of the right end of draw bar 3, locking, and retaining ring 8 is resisted and fixed by locking member 4, from the axially displaced of limitation elastomer 2.Wherein, the radial dimension of stopper section 3-2 and/or retaining ring 8 can be less than the radial dimension of shaft cylinder 5.
Elastomer 2 is a kind of energy absorbing component, it can be deformed in the axial direction and absorb energy, elastomer 2 specifically can be, but not limited to substantially annular shape, the specific material of elastomer 2 on perpendicular to axial section and be not limiting, and can restore shape substantially when being not subject to pressure.During installation, before the installation of draw bar 3, first two elastomers 2 as shown in Figure 2 are sleeved on draw bar 3, then draw bar 3 is passed through into partition board hole 5-3-1, then an elastomer 2 on the right side of partition 5-3 is sleeved on draw bar 3 again, then retaining ring 8 is 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 quantity for the elastomer 2 that second space is correspondingly arranged;In another embodiment, the quantity for the elastomer 2 that the first space is correspondingly arranged is less than the quantity for the elastomer 2 that second space is correspondingly arranged.Namely illustrate, it can be according to the specific operating condition of compressive load and tensile load come the quantity for the elastomer 2 being arranged in the first space/second space.The number of elastomer 2 is not limitation, can be to guarantee that sufficiently the number of elastomer 2 can be arranged as standard by energy-absorbing in normal load elastomer 2.
Inventors noted that the connection of announcement disclosed in existing patent PCT/EP2006/002903 Device, wherein the energy absorbing component as buffer medium is elastic ring.Under impact force action, mainly impact energy is absorbed using the damping of shear-deformable and elastic ring the material itself of elastic ring, therefore, impact force when traction and braking all acts on same group as on the elastic ring of buffer medium, it and is mainly in alternation shear action form, it is deformed in a manner of shearing deformation, so that it is short to easily cause elastomer fatigue life, 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 is so that elastomer is respectively placed in its left and right sides, to in traction working condition and damped condition, it is to be respectively acting on not ipsilateral elastomer, elastomer compressive deformation (rather than shearing deformation) is set to absorb impact energy, be conducive to significantly improve the fatigue life of the energy absorbing component as buffer medium, action mode of the active force that draw bar 3 is transmitted on elastomer 2 is also more reasonable.
With continued reference to Fig. 2, in one embodiment, it is additionally provided with intermediate bulkhead 10 between two elastomers 2 of the left side setting of partition 5-3, intermediate bulkhead 10 can separate two elastomers 2, to increase the frictional force of elastomer 2 and increase energy absorption capability.
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 several retention bead 2-1 with limit hole 5-3-4 cooperation on the elastomer 2 adjacent with partition 5-3;It can also be equipped with several limit hole 8-1 on retaining ring 8, accordingly, also can thus limit the rotation of elastomer 2 with several retention bead 2-2 with limit hole 8-1 cooperation on the elastomer 2 adjacent with retaining ring 8.
It should be noted that, axial setting is basically parallel to due to breaking component 6, under load in left and right directions, the power of draw bar 3 can pass through elastomer 2, shaft cylinder 5, guide pad 7, which is transferred to, breaks component 6, to component 6 is broken to generate relative tension (i.e. axial force), the shape and structure and/or material for breaking component 6 can be set, predefine the value range for breaking the axial force that component 6 can be born, when overload conditions occur, component 6 is broken (when overload) when the axial force of coupler draft gear is more than predetermined range value to be pulled off, to make at least draw bar 3 that shaft cylinder 5 be driven to pass through guide groove 1-2 guiding movement, and, it can be moved in the length range of guide groove 1-2, prevent coupler draft gear used for rail vehicle from occurring offset during unloading stuck, to realize the internal junction of buffer The smooth unloading of structure.This overload detaching structure of buffer is simple, and buffer in the axial direction compact-sized, and 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.Under tensile load operating condition, draw bar 3 stretches buffer from left end, and draw bar 3 is moved to the left, and the elastomer 2 on the right side of partition 5-3 is compressed 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.Buffer is under compressive load operating condition (such as when collision or brake), as shown in figure 8, draw bar 3 moves right, the elastomer 2 on the left of partition 5-3 is 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.Such as, it is moved right with draw bar 3 as example, in the axial force transmission of draw bar 3 to shaft cylinder 5, in overload, bolt 6 is broken to bear to be able to bear substantially axial critical impulse power greater than it, the fracture of bolt 6 is broken to will lead to, draw bar 3 drives shaft cylinder 5 and guide pad 7 to move to right along guide groove 1-2, realize unloading inside buffer, therefore guide function may be implemented in overload in guide groove 1-2, so that shaft cylinder 5 will not shift when moving to right, and it will not be stuck during unloading, it ensure that shaft cylinder 5 can normal unloading.
In the buffer of embodiment shown in Fig. 2, the radial dimension that stopper section 3-2 is arranged is less than the radial dimension of shaft cylinder 5, the barrel of shaft cylinder 5 will not prevent stopper section 3-2 axially displaced, to in coupler draft gear overload, its load substantially completely passes through two elastomers 2 and is transferred to shaft cylinder 5, and then be transferred to guide pad 7 and break 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 the buffer of embodiment illustrated in fig. 2, the main distinction of the buffer of embodiment illustrated in fig. 11 is, the radial dimension of stopper section 3-2 is set to larger than the radial dimension of beam barrel 5, in this way when coupler draft gear overloads, the barrel of beam barrel 5 can prevent stopper section 3-2 axially displaced, its load at least part passes through stopper section 3-2 and is transferred directly to the shaft cylinder 5, its load another part is transferred to shaft cylinder 5 by two elastomers 2, is beneficial to prevent in the case where overloading very big situation directly crushing destruction elastomer 2 in this way.
Example above primarily illustrates coupler draft gear used for rail vehicle of the invention.Although only some of embodiments of the present invention are described, but those of ordinary skill in the art are understood that, the present invention can implemented without departing from its spirit in range in many other form, 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, and in the case where not departing from the spirit and scope of the present invention as defined in appended claims, 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 mounting base (1) to limit the shaft cylinder (5) inside the mounting hole (1-1) and move axially;
    Wherein, be provided in the shaft cylinder (5) and be approximately perpendicular to axial partition (5-3), the draw bar (3) from the partition board hole (5-3-1) of the partition (5-3) movably axially across;
    Wherein, the two sides of the partition (5-3) are respectively set the energy absorbing component (2) that at least one is sleeved on the draw bar (3) and are locked by the locking member (4);
    Wherein, guide groove (1-2) is provided on the mounting base (1), the guide pad (7) is at least partially disposed in the guide groove (1-2), in coupler draft gear overload described in break component (6) and substantially axially broken and the draw bar (3) is at least made to drive 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, it is characterized in that, the shaft cylinder (5) includes cylinder (5-4) and the upper and lower shaft (5-2) for being set to the periphery cylinder (5-4), and the guide pad (7) being rotatablely connected with it is respectively set in the corresponding upper and lower shaft (5-2).
  3. Coupler draft gear as claimed in claim 2, which is characterized in that partition (5-3) setting is on the axis for corresponding to the upper and lower shaft (5-2).
  4. Coupler draft gear as claimed in claim 2, it is characterized in that, the upper and lower shaft (5-2) and the shaft cylinder (5) are integrated design, shaft hole (7-1) is provided on the guide pad (7), the shaft (5-2) is installed in the shaft hole (7-1) to realize the rotation connection, and rotate the shaft cylinder (5) can around the axis of the shaft (5-2).
  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 described in claim 1, which is characterized in that the periphery of the corresponding shaft (5-2) is set with rotating axle bushing (11).
  7. Coupler draft gear as described in claim 1, it is characterized in that, partition board hole (5-3-1) rectangular hole shape of the partition (5-3), and the intersection 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) is in convex.
  8. Coupler draft gear as described in claim 1, it is characterized in that, partition board hole (5-3-1) rectangular hole shape of the partition (5-3), and the intersection 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) is in convex, it is set on the periphery of the draw bar (3) there are two symmetrical swinging plane (3-1), two swinging planes (3-1) match with upper and lower inner wall (5-3-2) respectively.
  9. Coupler draft gear as described in claim 1, which is characterized in that at least one is provided on the partition (5-3) for limiting the limit hole (5-3-4) of the energy absorbing component (2) rotation.
  10. Coupler draft gear as described in claim 1, it is characterized in that, the relatively described partition (5-3) in the left end of the draw bar (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 setting retaining ring (8);Wherein, the first space is formed between the stopper section (3-2) and the partition (5-3), forms second space between the retaining ring (8) and the partition (5-3).
  11. Coupler draft gear as claimed in claim 10, which is characterized in that accommodate two energy absorbing components (2) in first space, the energy absorbing component (2) is accommodated in the second space.
  12. Coupler draft gear as claimed in claim 10, it is characterized in that, the outer periphery size of the stopper section (3-2) is less than the inner wall radial dimension of the cylinder (5-4) of the shaft cylinder (5), in coupler draft gear overload, load is transferred to the shaft cylinder (5) by the energy absorbing component (2).
  13. Coupler draft gear as claimed in claim 10, it is characterized in that, the outer periphery size of the stopper section (3-2) is greater than the inner wall radial dimension of the cylinder (5-4) of the shaft cylinder (5), and the outer periphery size of the cylinder (5-4) no more than the shaft cylinder (5), in coupler draft gear overload, load is transferred directly to the shaft cylinder (5) at least partially by the stopper section (3-2).
  14. Coupler draft gear as claimed in claim 11, which is characterized in that be provided with intermediate bulkhead (10) between two energy absorbing component (2) components.
  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 the elastomer On be provided at least one for limit the energy absorbing component (2) rotation retention bead (2-1).
  17. Coupler draft gear as described in claim 1, it is characterized in that, it further include dustproof cover (9), being located at shaft (5-2) for the mounting base (1) is equipped with dust-proof cap bore (1-3), and dustproof cover (9) lid is set on dust-proof cap bore (1-3) and is fixedly connected with mounting base (1).
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
CN201410304069.3A CN104149811B (en) 2014-06-30 2014-06-30 Buffer with detaching device for railway vehicle
CN2014103040693 2014-06-30
PCT/CN2015/082834 WO2016000602A1 (en) 2014-06-30 2015-06-30 Coupler buffer for railway vehicle

Publications (2)

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

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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

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WO (1) WO2016000602A1 (en)

Families Citing this family (12)

* 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
AU2018439289B2 (en) 2018-08-30 2021-09-16 Crrc Zhuzhou Locomotive Co., Ltd. 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
CN110641507B (en) * 2019-10-29 2024-09-10 中车贵阳车辆有限公司 Device for installing coupler buffer assembly
CN111328474A (en) * 2020-04-27 2020-06-26 湖北欧兰德实业股份有限公司 Rotary cultivator with prevent disconnected axle structure
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040011756A1 (en) * 1999-03-12 2004-01-22 Payne Thomas S. Collision attenuating system
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
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
CN102030014A (en) * 2009-10-01 2011-04-27 沃依特专利有限责任公司 Device for damping tractive and compressive forces
CN103507823A (en) * 2012-06-25 2014-01-15 南车戚墅堰机车车辆工艺研究所有限公司 Traction buffer device

Family Cites Families (11)

* 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
EP1083105B1 (en) * 1999-09-08 2004-10-13 Schwab Verkehrstechnik AG Buffer for railway vehicles
DE20009859U1 (en) * 2000-05-31 2001-10-11 SAB Wabco BSI Verkehrstechnik Products GmbH, 42859 Remscheid Device for the elastic mounting of the coupling arm of a central buffer coupling on a rail vehicle
EP1719684B1 (en) * 2005-05-03 2007-08-15 Voith Turbo Scharfenberg GmbH & Co. KG Central buffer coupling for railway vehicles
EP1995146A1 (en) * 2007-05-21 2008-11-26 Faiveley Transport Remscheid GmbH Device for elastic jointed bearing of a coupling
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040011756A1 (en) * 1999-03-12 2004-01-22 Payne Thomas S. Collision attenuating system
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
CN102030014A (en) * 2009-10-01 2011-04-27 沃依特专利有限责任公司 Device for damping tractive and compressive forces
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
CN103507823A (en) * 2012-06-25 2014-01-15 南车戚墅堰机车车辆工艺研究所有限公司 Traction buffer device

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