CN105644580B - Crushing device, assembling method thereof and coupler buffer system comprising crushing device - Google Patents
Crushing device, assembling method thereof and coupler buffer system comprising crushing device Download PDFInfo
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- CN105644580B CN105644580B CN201511002005.9A CN201511002005A CN105644580B CN 105644580 B CN105644580 B CN 105644580B CN 201511002005 A CN201511002005 A CN 201511002005A CN 105644580 B CN105644580 B CN 105644580B
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- crushing device
- deformation tube
- mounting base
- pressing member
- rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/16—Buffers absorbing shocks by permanent deformation of buffer element
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Abstract
The invention provides a crushing device, an assembling method thereof and a car coupler buffer system comprising the crushing device, and belongs to the technical field of impact energy absorption. The crushing device of the invention comprises a deformation pipe, a pressurizing part and a mounting seat, and also comprises: the stop ring is in threaded connection with an internal thread hole at the side end of the coupler of the mounting seat and is provided with an external thread, and the anti-rotation mechanism is used for preventing the pressurizing part and the deformation pipe from rotating relative to the mounting seat. The car body side end of the mounting seat is provided with a protruding portion protruding inwards relative to the internal thread hole, the side end portion of the car coupler of the deformation pipe is provided with an outer protruding portion, and the outer protruding portion of the deformation pipe is axially limited between the protruding portions of the stop ring and the mounting seat. The crushing device has the advantages of simple structure, low cost and simple assembly process.
Description
Technical field
The invention belongs to impact energy absorption techniques fields, are related to the coupler buffer system more particularly to vehicle of rail vehicle
Crushing device and its assemble method in hook buffer system.
Background technique
It is usually connected by hitch (Coupler) between rail vehicle, and corresponding hitch buffer system is arranged in corresponding hitch
System；Wherein, can absorb greater than predetermined power generated for absorbing improper impact is usually provided in coupler buffer system
Device (or energy absorption device), i.e. crushing device.The basic principle of crushing device is to utilize deformation tube (also referred to as " conquassation
Pipe ") plastic deformation is generated under the impact energy effect passed over and absorbs energy, it is effective to ensure that rail vehicle exists
Therefore safety under improper impact operating condition simultaneously makes the car body of rail vehicle against damages, crushing device is such as railcar
The component necessarily installed and used in.
Chinese Patent Application No. is the special of 200880015069.4, entitled " energy absorption device for multi-section vehicles "
In benefit, a kind of crushing device is disclosed comprising be fixedly installed to the first support member (2) on the car body of vehicle, deformation tube
(5), for transmit the joint element (4) of impact energy and for the second support member (3) for pressurizeing to deformation tube (5) and
Guide member (6).When by improper impact, the second support member (3) and guide member (6) are interior to vehicle in deformation tube (5)
Side is mobile, to make deformation tube (5) demi-inflation generate plastic deformation, to absorb energy to guarantee that car body is against damages.
Therefore, in the crushing device course of work, need to guarantee to be used to absorb the deformation tube (5) of energy not to car body side it is mobile (even if
Under the conditions of the improper impact of large energy), to deformation tube (5) must be securely fastened on the first support member (2)
On.Referring to Fig. 2 a and Fig. 2 b of the patent, deformation tube (5) is by multiple bolts with being fixedly connected for the first support member (2)
What connector (8) was realized, so that deformation tube (5) and the first support member (2) together opposite car body be fixed.Due to crushing device
The external impact of receiving is larger, it is necessary to using the numerous bolt connection pieces (8) being circular layout as shown in Figure 2 a, also, due to
Each bolt connection piece (8) needs to bear biggish impact, therefore, the crushing device of the above prior art example necessarily have with
Lower disadvantage:
First, the intensity requirement of bolt connection piece (8) is high, bolt connection piece (8) it is corresponding in the first support member (2) and
The requirement on machining accuracy of the internal thread hole of deformation tube (5) is high, to be easy to cause cost；
Second, bolt connection piece (8) is numerous, and structure is complicated；
In an assembling process, the internal thread hole necessary one between the first support member (2) and deformation tube (5) is surely by 3rd,
Really alignment, the fastening of installation one by one of numerous bolt connection pieces (8), the assembly process is complicated.
In view of this, it is necessary to propose a kind of novel crushing device.
Summary of the invention
In order to solve the above technical problems, the present invention existing crushing device is improved with propose a kind of structure it is simple,
Crushing device at low cost, simple for assembly process.
It is an aspect of this invention to provide that provide a kind of crushing device, including deformation tube, for external impact force to be transferred to
The pressing member of the deformation tube, for the crushing device to be fixed on the mounting base on the car body of vehicle, the deformation tube
Hitch side end be fixed in the mounting base, the car body side end of the pressing member is placed in the deformation tube；Wherein,
The crushing device further include:
With externally threaded baffle ring, it is threadedly coupled with the internal thread hole of the hitch side end of the mounting base；And
Rotation-preventing mechanism is used to that the pressing member and deformation tube to be prevented to rotate relative to the mounting base；
Wherein, the car body side end of the mounting base is provided with the protrusion of the relatively described internal thread hole convex, the change
The hitch side end of shape pipe is provided with male part, and the male part of the deformation tube is axially defined the baffle ring and described
Between the protrusion of mounting base.
Crushing device according to an embodiment of the invention, wherein the two sides of the male part of the deformation tube are described respectively
Baffle ring and the protrusion of the mounting base directly or indirectly keep out to make the relatively described mounting base of the deformation tube in its axis
To being defined.
Crushing device according to an embodiment of the invention, wherein the baffle ring be also used to pressing member described in backstop to
Hitch side is mobile, and car body side end and the pressing member of the baffle ring offset.
Specifically, annular convex platform, the hitch side of the baffle ring and the annular convex platform are provided on the pressing member
End face mutually keep out.
Crushing device according to an embodiment of the invention, wherein the relatively described mounting base (120) of the rotation-preventing mechanism is by diameter
It is arranged to ground.
Specifically, the rotation-preventing mechanism includes:
Anti-rotation bolt；
The pin hole being radially arranged in the mounting base；
First anti-rotation feature of the hitch side end setting of the deformation tube；And
The second anti-rotation feature being arranged on the pressing member；
Wherein, it is anti-to be at least partially inserted into the pin hole, the first anti-rotation feature and second simultaneously for the anti-rotation bolt
In rotation feature.
Optionally, first anti-rotation feature is U-shaped hole or kidney slot, and wherein the U-shaped hole is opposite in hitch side opening；
Second anti-rotation feature is the U-type groove for being opposite in hitch side opening.
Optionally, the anti-rotation bolt is screw, and the pin hole is correspondingly arranged on internal screw thread, and the screw is correspondingly arranged
There is gasket.
Optionally, the protrusion of the mounting base is annular convex platform structure.
The crushing device of a further embodiment according to the present invention, wherein the crushing device further includes guide member, is reclined
The inner surface of the reducer of the deformation tube and be arranged, and for guiding pressing member base under external impact force action
This is moved along the axial of the deformation tube towards car body side.
Optionally, the car body side end of the guide member and the pressing member, which is interference fitted, connects.
Optionally, the baffle ring is kept out in deformation tube again at least through pressing member described in backstop, the pressing member
Wall keeps out the baffle ring and the hitch side one side of the male part of the deformation tube indirectly, also, the hitch of the deformation tube
There is gap in the axial direction between side end and the baffle ring.
In the crushing device of any embodiment before, the hitch side end of the pressing member, which is provided with, to be used for and hitch
The trunnion that buffer is pivotally connected.
In the crushing device of any embodiment before, the vehicle body-side end of the pressing member being placed in the deformation tube
The maximum outside diameter in portion is greater than the internal diameter of the baffle ring.
In the crushing device of any embodiment before, the crushing device further include for the baffle ring with it is described
Locking member after mounting base threaded connection is fixed by baffle ring locking to prevent it from rotating relative to the mounting base.
Multiple lug bosses are provided in the one side of the opposite hitch of the baffle ring, the first end of the locking member is limited
Between the adjacent lug boss, the second end of the locking member is fixed in the mounting base for position.
Another aspect according to the invention provides a kind of assemble method of above-mentioned crushing device, which is characterized in that at least wrap
Include portion's step:
(a) the hitch side end of the deformation tube is installed in the mounting base；
(b) at least the car body side end of the pressing member is installed in the deformation tube；And
(c) baffle ring is screwed into installation to the hitch side end of the mounting base, to make at least described deformation tube
The two sides of male part directly or indirectly kept out by the baffle ring and the protrusion of the mounting base respectively.
Assemble method according to an embodiment of the invention, wherein further comprised the steps of: between step (a) and step (b)
(a1) rotation-preventing mechanism is installed.
Preferably, the rotation-preventing mechanism includes:
Anti-rotation bolt；
The pin hole being radially arranged in the mounting base；
First anti-rotation feature of the hitch side end setting of the deformation tube；And
The second anti-rotation feature is provided on the pressing member；
Wherein, it is anti-to be at least partially inserted into the pin hole, the first anti-rotation feature and second simultaneously for the anti-rotation bolt
In rotation feature；The anti-rotation bolt is screw, and the pin hole is correspondingly arranged on internal screw thread；
Wherein, the installation rotation-preventing mechanism step includes:
The position for adjusting the deformation tube makes the first anti-rotation feature of the deformation tube and the pin hole of the mounting base
Alignment, is screwed into the screw but does not tighten.
In the assemble method of foregoing description embodiment, the crushing device further includes guide member, is used to guide institute
Pressing member is stated to move along the axial of the deformation tube towards car body side substantially under external impact force action；
Wherein, the step (b) of the assemble method includes following sub-step:
(b1) guide member interference fit is connected to the car body side end of the pressing member；
(b2) guide member and the pressing member interference being cooperatively connected are from the hitch side of the deformation tube
End is packed into the deformation tube, at least make the guide member recline the deformation tube reducer inner surface；And
(b3) position for adjusting the pressing member makes the second anti-rotation feature and the deformation tube of the pressing member
The first anti-rotation feature alignment, continue to be screwed into the screw until tightening.
In the assemble method of foregoing description embodiment, in (c) step, the baffle ring is screwed into installation to institute
The hitch side end of mounting base is stated, thus make the hitch side for the annular convex platform being arranged on the baffle ring and the pressing member
It mutually keeps out end face.
It is according to the invention also on the one hand to provide a kind of coupler buffer system, including hitch, coupler draft gear and more than
Described in any item crushing devices.
Crushing device of the invention is tightened together deformation tube, pressing member and mounting base using baffle ring, thus
Backstop deformation tube and prevents pressing member and deformation tube with respect to mounting base using rotation-preventing mechanism with respect to the axial movement of mounting base
Rotation, backstop move axially and prevent rotation from realizing respectively by different components, so that baffle ring is substituted in the prior art
Multiple bolt connection pieces that requirement on machining accuracy is high, the assembly process is complicated.Therefore, overall structure is simple, also, the portions such as baffle ring
The intensity of part is high, requirement on machining accuracy is low, is easily worked realization, crushing device is at low cost；In particular, whole group of crushing device
Fill simple process.
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 schematic diagram of the section structure according to the crushing device of one embodiment of the invention.
Fig. 2 is the schematic perspective view according to the slave hitch side view angle of the crushing device of one embodiment of the invention.
Fig. 3 is the schematic perspective view according to the slave car body side visual angle of the crushing device of one embodiment of the invention.
Fig. 4 is the decomposition diagram according to the crushing device of one embodiment of the invention.
Fig. 5 is the baffle ring schematic diagram according to the crushing device of one embodiment of the invention, and wherein Fig. 5 (a) is main view, figure
It is 5(b) the Section A-A schematic diagram in Fig. 5 (a).
Fig. 6 is the mounting base schematic diagram according to the crushing device of one embodiment of the invention, and wherein Fig. 6 (a) is main view, figure
It is 6(b) the section B-B schematic diagram in Fig. 6 (a), Fig. 6 (c) is the C-C schematic cross-section in Fig. 6 (a).
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.
In following description, for the clear and concise of description, there is no retouch all multiple components shown in figure
It states.It is provided in the disclosure for being fully able to realize of the invention shown in the drawings of multiple components for those of ordinary skill in the art
Hold.To those skilled in the art, many components are all familiar and apparent.
Directional terminology used herein is the orientation put in the accompanying drawings based on crushing device to define, also,
It is to be understood that these directional terminologies are opposite concepts, they be used for relative to description and clarification, can be according to pressure
It bursts the variation in orientation that device is put and correspondingly changes.Also, herein, " hitch side " refers to that crushing device exists
In actual use close to one end of hitch, " car body side " refers to crushing device in actual use close to the vehicle of vehicle
Body one end.
Fig. 1 show the schematic diagram of the section structure of the crushing device according to one embodiment of the invention；Fig. 2 is shown according to this
Invent the schematic perspective view at the slave hitch side view angle of the crushing device of an embodiment；Fig. 3 show real according to the present invention one
Apply the schematic perspective view at the slave car body side visual angle of the crushing device of example；Fig. 4 show the pressure according to one embodiment of the invention
The decomposition diagram of routed device；Fig. 5 show the baffle ring schematic diagram according to the crushing device of one embodiment of the invention, wherein scheming
It 5(a) is main view, Fig. 5 (b) is the Section A-A schematic diagram in Fig. 5 (a)；Fig. 6 show the pressure according to one embodiment of the invention
The mounting base schematic diagram of routed device, wherein Fig. 6 (a) is main view, and Fig. 6 (b) is the section B-B schematic diagram in Fig. 6 (a), Fig. 6
It (c) is the C-C schematic cross-section in Fig. 6 (a).It is carried out in detail below in conjunction with crushing device 10 of the Fig. 1 to Fig. 6 to the embodiment of the present invention
It describes in detail bright.
Crushing device 10 may be mounted on the car body of rail vehicle, for example, may be mounted at the headstock of high-speed EMUs
Position, the impact energy generated for absorbing improper impact, prevents vehicle damage and improves the safety of vehicle.It will be understood that
It arrives, the crushing device 10 of the embodiment of the present invention is also applied in the vehicle of other similar rail vehicle operating condition.Combine Fig. 1 extremely first
Shown in Fig. 4, in this embodiment, crushing device 10 mainly includes pressing member 110, mounting base 120, baffle ring 130, anti-rotation
The components such as bolt 140 and deformation tube 160, optionally, can also include be placed in it is in deformation tube 160 and with pressing member 110
The guide member 150 of connection.It should be noted that in crushing device 10 in addition to anti-rotation bolt 140 with upper-part, according to it
In installation position, its car body side end and hitch side end can be defined.
Continue shown in Fig. 1 to Fig. 4, in conjunction with as shown in fig. 6, mounting base 120 is used to be fixedly mounted other of crushing device 10
Component, and it is integrally attached to crushing device 10 on the car body of vehicle.In one embodiment, mounting base 120 is to pass through high intensity
Fastening bolt (not shown) fix, accordingly, several through-holes 121 are provided in mounting base 120.Baffle ring 130
Outer peripheral surface is provided with external screw thread, and correspondingly, the hitch side end 120a of mounting base 120 is additionally provided with biggish internal thread hole 124；
The aperture of internal thread hole 124 and the outer diameter of baffle ring 130 match, thus baffle ring 130 can be convenient from hitch side end
120a is screwed into mounting base and the connection that is screwed.
Also, the car body side end 120b of mounting base 120 is additionally provided with the protrusion 123 of opposite 124 convex of internal thread hole,
Specifically, which can be, but not limited to as annular convex platform structure, for example, it is also possible to be provided separately for two or more
Projection cube structure.It should be appreciated that being machined relatively easy when using annular convex platform structure.
Further, the upper end of mounting base 120 is provided with pin hole 122, is used to plant anti-rotation bolt 140, in the implementation
In example, pin hole 122 is radially arranged, and the pore size of pin hole 122 corresponds to the outer diameter setting of anti-rotation bolt 140.Pin hole
122 longitudinally penetrate the internal thread hole 124 of mounting base 120 to mounting base 120.In one embodiment, anti-rotation bolt 140 can with but
It is not limited to that fixed screw can be tightened, at this point, counter sink can be set in the upper end of pin hole 122, the correspondence of pin hole 122 is set
It is equipped with internal screw thread, thus, which can be screwed into the pin hole 122 and fasten.
Continue shown in Fig. 1 to Fig. 4, deformation tube 160 is substantially annulus tubular structure comprising hitch side end 160a and vehicle
Side end 160b, wherein hitch side end 160a is installed in mounting base 120, and can accommodate the vehicle of pressing member 110
Side end 110b.The hitch side end 160a of deformation tube 160 is provided with male part 161, and the outer diameter of the male part 161 is greater than peace
Fill the internal diameter of the protrusion 123 of seat 120；Also, the outer diameter of baffle ring 130 is greater than the hitch side end 160a's of deformation tube 160
The outer diameter of male part 161；It is placed between baffle ring 130 and the protrusion 123 of mounting base 120 in the male part 161 of deformation tube 160
When, by tightening baffle ring 130, the male part 161 of the hitch side end 160a of deformation tube 160 can be axially defined
Between baffle ring 130 and the protrusion of mounting base 120 123.Specifically, referring to Fig. 1, the hitch side end 160a of deformation tube 160
The one side towards car body of male part 161 be close to the protrusion 123 of mounting base 120 and kept out by the protrusion 123, thus
Prevent deformation tube 160 mobile to car body side, the one side towards hitch of the male part 161 of deformation tube 160 can be straight with baffle ring 130
Ground connection or offset indirectly and the baffle ring 130 that is fixed in mounting base 120 prevent it is mobile to hitch side.Therefore, deformation tube
160 are axially defined relative to mounting base 120.
In one embodiment, the one side towards hitch of the male part 161 of deformation tube 160 be fastened in mounting base 120
Baffle ring 130 directly keep out；In another embodiment, the one side and fastening towards hitch of the male part 161 of deformation tube 160
Baffle ring 130 in mounting base 120 is kept out indirectly, specifically, as shown in Figure 1, can keep out pressurization part by baffle ring 130
The hitch side one side for the annular convex platform 113 being arranged on part 110, so that backstop pressing member 110 is mobile to hitch side, and then deforms
Pipe 160 is pressurized component 110 and keeps out (because the inner surface of the reducer 162 of deformation tube 160 is with guide member 150 in axial phase
Support and then pressurized component 110 kept out), it is kept out indirectly to realize, at this point, the male part of baffle ring 130 and deformation tube 160
Can certain gap be axially set between 161, is advantageously reducing male part 161 of baffle ring 130, deformation tube 160 etc. zero
The requirement on machining accuracy of parts surface.
It should be noted that " directly keeping out " herein, which refers to, directly contacts phase interaction between two components mutually kept out
It is kept out with realization, " keeping out indirectly " herein refers between two components mutually kept out and be not directly contacted with but pass through
The effect of one or more member conducts, which is realized, to be kept out, for example, gasket is arranged between two kept out indirectly component, also for example more than
Work is kept out between guide member 150, the indirect realization deformation tube 160 of pressing member 110 and the baffle ring 130 that embodiment discloses
With.
Further, the hitch side end 160a of deformation tube 160 corresponds to the pin hole 122 in mounting base 120 and is provided with first
Anti-rotation feature 163, the first anti-rotation feature 163 can be the U-shaped hole of radial penetration deformation tube 160, which is opposite in vehicle
U-shaped opening is arranged in hook side, facilitates the assembling of deformation tube.In another alternative embodiment, the first anti-rotation feature 163 may be
Kidney slot, kidney slot are axially arranged on the tube wall of deformation tube 160.Specifically, the U-shaped hole as the first anti-rotation feature 163
Or kidney slot and the pin hole 122 of mounting base 120 it is substantially aligned, the anti-rotation bolt 140 being screwed into, such as screw can protrude into the U
In shape hole or kidney slot, to prevent deformation tube 160 from rotating relative to mounting base 120.It should be appreciated that the first anti-rotation feature 163
Concrete structure design do not limited by above embodiments of the present invention, for example, in other embodiments, the first anti-rotation feature 163
It can also be anti-rotation gap or anti-rotation through-hole.
Further, referring to Fig. 1, the internal diameter of deformation tube 160 be it is inconsistent, reducer 162 is provided with, in the reducer
162, the diameter of deformation tube 160 is gradually reduced from hitch side to car body side, therefore, the hitch side end 160a's of deformation tube 160
Internal diameter is greater than the internal diameter of its car body side end 160b.
Continuing shown in Fig. 1 to Fig. 4, pressing member 110 is the component of the coupler draft gear (not shown) outside connection,
External impact force is transferred to deformation tube 160 by it.Specifically, the hitch side end 110a of pressing member 110 be provided with for
The trunnion 111 that coupler draft gear is pivotally connected, therefore, in actual use, coupler draft gear may drive pressing member 110 very
It is rotated to deformation tube 160 relative to mounting base 120 in its circumferencial direction, to prevent the rotation, correspondence is arranged on pressing member 110
There is the second anti-rotation feature 112, which specifically can be the annular convex platform that pressing member 110 is arranged in
In structure, the second anti-rotation feature 112 can be, but not limited to be opposite in the U-type groove of hitch side opening.The U-type groove and deformation tube
160 U-shaped hole or kidney slot 163, mounting base 120 122 three of pin hole in substantially longitudinal alignment, the anti-rotation bolt that is screwed into
140(such as screw) it can continue to protrude into the U-type groove across U-shaped hole or kidney slot, to prevent pressing member 110 is opposite from pacifying
Seat 120 is filled to rotate.Preferably, corresponding anti-rotation bolt 140(such as screw) one or more gaskets 141 can be installed, make anti-rotation
Bolt 140(such as screw) it is more preferable with respect to the fastening effect of mounting base 120.
It should be appreciated that the concrete structure design of the second anti-rotation feature 112 is not limited by above embodiments of the present invention, example
Such as, in other embodiments, the second anti-rotation feature 112 can also be anti-rotation chamber.
In above embodiments, the pin hole 122, the deformation tube 160 that are radially arranged on anti-rotation bolt 140, mounting base 120
The second anti-rotation feature 112 being arranged on the first anti-rotation feature 163 and pressing member 110 of upper setting is mainly constituted
The rotation-preventing mechanism being arranged in crushing device 10 of one embodiment of the invention.It will be appreciated that can be in the religion from upper embodiment
It leads lower deformation and obtains the anti-rotation structure of other various embodiments, for example, the first anti-rotation feature 163 is also possible to threaded hole or removes
Other openings other than U-shaped hole；In another example anti-rotation bolt is also possible to pin shaft, being provided with again in mounting base prevents pin shaft non-
Outbound cover board etc. in normal impact；When the anti-rotation bolt is pin shaft, the inner surface of the pin hole is set without correspondence
Set internal screw thread.It is no longer described in detail one by one herein.And it will be appreciated that, the application individually uses rotation-preventing mechanism to prevent pressing member and change
Shape pipe is rotated relative to mounting base, is rather than relied on baffle ring 130(baffle ring 130 and is mainly used to backstop axial movement), thus
Baffle ring is set to substitute multiple bolt connection pieces that requirement on machining accuracy in the prior art is high, the assembly process is complicated, sufficiently
Embody that the application overall structure is simple, the intensity of the components such as baffle ring is high, requirement on machining accuracy is low, is easily worked realizations, pressure
Installation cost of bursting is low；The especially outstanding advantages of the overall package simple process of crushing device.
In one embodiment, the car body side end 110b of guide member 150 and pressing member 110, which is interference fitted, connects, this
Guide member 150 and 110 entirety of pressing member can be fitted into deformation tube 160 by sample before the installation of baffle ring 130, and
And the impact force that pressing member 110 transmits can be further transferred to guide member 150, and then act on the interior of deformation tube 160
On wall.The car body side end 110b of pressing member 110 is installed in deformation tube 160 together with guide member 150, wherein guidance
Component 150 recline deformation tube 160 reducer 162 inner surface, the external peripheral surface of the annular convex platform structure of pressing member 110
Recline deformation tube 160 hitch side end 160a inner surface.Referring to Fig. 1, pressing member 110 is placed in deformation tube 160
The maximum outside diameter of car body side end 110b is greater than the internal diameter of baffle ring 130, in this way, after the installation of baffle ring 130 is fixed, baffle ring
130 can prevent pressing member 110 mobile to hitch side.Therefore, by tightening baffle ring 130, can by deformation tube 160, plus
Splenium part 110 and mounting base 120 tighten together.
It should be noted that the reducer 162 of deformation tube 160 can also transmit reaction force to guide member 150, such as
It is axially toward the reaction force of hitch side, which can successively be transferred to guide member 150, pressing member in turn
110, and acted on baffle ring 130 by the annular convex platform 113 of pressing member 110, at this point, baffle ring 130 can also be with backstop
Pressing member 110 is axially mobile to hitch side, and also backstop deformation tube 160 is axially mobile to hitch side.
In other embodiments, guide member 150 can also integrally process formation with pressing member 110.But it will manage
Solution, guide member 150 are separated with respect to pressing member 110, and processing is relatively more easy.In one embodiment, guide member 150
Hitch side end has relatively thick wall thickness.
Continue as shown in Fig. 2, in one embodiment, crushing device 10 further includes locking member 142, locking member 142 is used
The baffle ring 130 is locked to prevent its opposite mounting base 120 with after the threaded connection fixation of mounting base 130 in baffle ring 130
Rotation.Specifically, several lug bosses 131 can be set in the one side of the opposite hitch of baffle ring 130, locking member 142
One end is limited in the groove formed between adjacent projections 131, and the other end of locking member 142 is solid by bolt 143 equal
It is scheduled in mounting base 120.In this way, locking member 142 can prevent baffle ring 130 with respect to 120 turns of mounting base during the work time
It is dynamic, especially with respect to 120 thread looseness of mounting base.
In the crushing device 10 of above embodiments, in work in use, in case of improper external impact, the impact
Power will be transmitted to pressing member 110, and pressing member 110 is further transferred to guide member 150, and further transmitting acts on change
It on shape pipe 160, especially acts on reducer 162, after impact force is more than predetermined value, deformation tube 160 will be opened from reducer 162
Begin to expand and be plastically deformed, namely conquassation effect is generated to deformation tube 160, so that the huge impact energy is absorbed, because
This, it is ensured that rail vehicle is in the improper safety impacted under operating condition and keeps the car body of rail vehicle against damages.Deformation
Pipe 160 is used as conquassation body in the crushing device 10 of the embodiment of the present invention.
It should be pointed out that during crushing device 10 is by the impact, on the one hand, baffle ring 130 can be with installation
The protrusion 123 of seat 120 cooperates the axial movement of the opposite mounting base 120 of restrained deformation pipe 160 well, while only allowing to pressurize
Component 110, guide member 150 are relative to mobile to car body side.On the other hand, anti-rotation bolt 140 can prevent pressurization part well
Part 110 and deformation tube 160 are rotated relative to mounting base 120.
The crushing device 10 of above embodiments is connected without the energy absorption device of such as background technique using numerous bolts
Fitting (8) does not need the corresponding processing essence on deformation tube so as to avoid the problem as brought by the bolt connection piece (8) yet
Spend demanding internal thread hole.130 overall structure of baffle ring is simple, since its size is significantly greater than spiral shell used in background technique
It tethers fitting (8), the installation accuracy of the internal thread hole 124 of accuracy of screw machining and mounting base 120 is also easy to get guarantee, adds
Work is simple, meanwhile, anti-rotation bolt 140 is also easily worked realization, and therefore, overall structure is simple, at low cost.
Simultaneously it should also be understood that the coarse scale structures of baffle ring 130 cause it when being threadedly coupled with mounting base, can hold
By axial greater impact, intensity fully meets the requirement of crushing device, and then to mounting base 120, baffle ring 130, deformation tube
160 requirement on machining accuracy further decreases.
Importantly, the packaging technology of the crushing device 10 of above embodiments can become simply and readily to realize, tool
Body will be understood during 10 assemble method of crushing device of following embodiment.
The assemble method of the crushing device 10 of the embodiment of the present invention mainly the following steps are included:
Firstly, the hitch side end 160a of deformation tube 160 is installed in mounting base 120.
Further, the position for adjusting deformation tube 160 makes the first anti-rotation feature 163 and mounting base 120 of deformation tube 160
Pin hole 122 be aligned, be screwed into the screw as anti-rotation bolt 140 but do not tighten.
Further, guide member 150 is interference fitted to the car body side end 110b of connection pressing member 110.
Further, as a whole by the guide member 150 of the mating connection of interference and pressing member 110, from deformation
The hitch side end 160a of pipe 160 is fitted into deformation tube 160, and guide member 150 is at least made to recline the variable diameter of the deformation tube 160
The inner surface of section 162.
Further, the position for adjusting pressing member 110 makes the second anti-rotation feature 112 and deformation tube of pressing member 110
160 the first anti-rotation feature 163 is substantially aligned, continues to be screwed into screw until tightening completely；At this point, the screw and pressing member
110 and deformation tube 160 contact, the rotation of pressing member 110 and deformation tube 160 relative to mounting base 120 can be limited.
Further, baffle ring 130 is screwed to the hitch side end 120a of installation to mounting base 120, until and pressing member
110 113 phase of annular convex platform is kept out, so that the side of the male part 161 of deformation tube 160 and baffle ring 130 be made to keep out indirectly, outside
The other side of protrusion 161 and the protrusion 123 of mounting base 120 are directly kept out.
So far, crushing device 10 is substantially assembled forms.
During assembled above, there is no the alignment procedures one by one of the threaded hole between mounting base and deformation tube, are also not present
The installation process one by one of bolt connection piece, it is simple that baffle ring 130 screws installation process, and the second anti-rotation feature 112, first
Being aligned for anti-rotation feature 163 and pin hole 122 is simple, anti-rotation bolt 140 to tighten installation also simple, therefore, overall package
Simple process.
The crushing device 10 of above embodiments of the present invention can be applied in the coupler buffer system of rail vehicle, the hitch
Buffer system includes hitch, coupler draft gear and crushing device 10, and hitch, coupler draft gear, crushing device 10 are connected in turn
Together, coupler draft gear mainly works as a buffer in normal conditions, and crushing device 10 mainly can be absorbed and transmit from hitch
The concrete type of the impact energy for the improper impact operating condition come, hitch and coupler draft gear is not limiting.
Example above primarily illustrates crushing device and its assemble method and coupler buffer system of the invention.Although
Only some of embodiments of the present invention are described, but those of ordinary skill in the art are it is to be appreciated that the present invention
It can implement without departing from its spirit in range in many other form, for example, the transformation of guide member 150 is set as boring
The quantity that the conquassation such as shape ring ring, guide member 150 and pressing member 110 are integrally connected setting, increase setting anti-rotation bolt 140
Deng.Therefore, the example shown is considered as illustrative and not restrictive with embodiment, is not departing from such as appended each right
In the case where spirit and scope of the present invention defined in it is required that, the present invention may cover various modification and replacement.
Claims (23)
1. a kind of crushing device (10), including deformation tube (160), for external impact force to be transferred to the deformation tube (160)
Pressing member (110), for the crushing device (10) to be fixed on the mounting base (120) on the car body of vehicle, the change
The hitch side end (160a) of shape pipe (160) is fixed in the mounting base (120), the car body side of the pressing member (110)
End (110b) is placed in the deformation tube (160)；It is characterized in that, the crushing device (10) further include:
Internal thread hole with externally threaded baffle ring (130), with the hitch side end (120a) of the mounting base (120)
(124) it is threadedly coupled；And
Rotation-preventing mechanism is used to that the pressing member (110) and deformation tube (160) to be prevented to rotate relative to the mounting base (120)；
Wherein, the car body side end (120b) of the mounting base (120) is provided with the convex of relatively described internal thread hole (124) convex
The hitch side end (160a) of portion (123) out, the deformation tube (160) is provided with male part (161), the deformation tube (160)
Male part (161) be axially defined between the baffle ring (130) and the protrusion (123) of the mounting base (120).
2. crushing device (10) as described in claim 1, which is characterized in that the male part (161) of the deformation tube (160)
Two sides are directly or indirectly kept out by the protrusion (123) of the baffle ring (130) and the mounting base (120) respectively, to make
The deformation tube (160) is axially defined relative to the mounting base (120).
3. crushing device (10) as described in claim 1, which is characterized in that the baffle ring (130) is also used to described in backstop
Pressing member (110) is mobile to hitch side, and car body side end and the pressing member (110) of the baffle ring (130) offset.
4. crushing device (10) as claimed in claim 3, which is characterized in that be provided with annular on the pressing member (110)
Boss (113), the baffle ring (130) and the end face of the hitch side of the annular convex platform are mutually kept out.
5. crushing device (10) as described in claim 1, which is characterized in that the relatively described mounting base of the rotation-preventing mechanism
(120) it is arranged radially.
6. crushing device (10) as claimed in claim 1 or 5, which is characterized in that the rotation-preventing mechanism includes:
Anti-rotation bolt (140)；
The pin hole (122) being radially arranged on the mounting base (120)；
The first anti-rotation feature (163) of hitch side end (160a) setting of the deformation tube (160)；And
The second anti-rotation feature (112) being arranged on the pressing member (110)；
Wherein, the anti-rotation bolt (140) is at least partially inserted into the pin hole (122), the first anti-rotation feature simultaneously
(163) and in the second anti-rotation feature (112).
7. crushing device (10) as claimed in claim 6, which is characterized in that first anti-rotation feature (163) is U-shaped hole
Or kidney slot, wherein the U-shaped hole is opposite in hitch side opening；Second anti-rotation feature (112) is to be opposite in hitch side to open
The U-type groove of mouth.
8. crushing device (10) as claimed in claim 6, which is characterized in that the anti-rotation bolt (140) is screw, described to insert
Pin hole (122) is correspondingly arranged on internal screw thread, and the screw is correspondingly arranged on gasket (141).
9. crushing device (10) as claimed in claim 7, which is characterized in that the anti-rotation bolt (140) is screw, described to insert
Pin hole (122) is correspondingly arranged on internal screw thread, and the screw is correspondingly arranged on gasket (141).
10. crushing device (10) as described in claim 1, which is characterized in that the protrusion (123) of the mounting base (120)
For annular convex platform structure.
11. crushing device (10) as described in claim 3 or 4, which is characterized in that the crushing device (10) further includes guidance
Component (150), the inner surface of the reducer (162) for the deformation tube (160) that recline and be arranged, and for guide it is described plus
Splenium part (110) is under external impact force action substantially along the axial mobile towards car body side of the deformation tube (160).
12. crushing device (10) as claimed in claim 11, which is characterized in that the guide member (150) and the pressurization
The car body side end (110b) of component (110) is interference fitted connection.
13. the crushing device (10) as described in claims 1 or 2 or 3, which is characterized in that the baffle ring (130) at least through
Pressing member described in backstop (110), the pressing member (110) keep out deformation inside pipe wall again, make the baffle ring (130) and institute
The hitch side one side for stating the male part (161) of deformation tube (160) is kept out indirectly, also, the hitch side of the deformation tube (160)
There is gap in the axial direction between portion (160a) and the baffle ring (130).
14. crushing device (10) as described in claim 1, which is characterized in that the hitch side end of the pressing member (110)
(110a) is provided with the trunnion (111) for being pivotally connected with coupler draft gear.
15. crushing device (10) as described in claim 3 or 4, which is characterized in that the pressing member (110) is placed in institute
The maximum outside diameter for stating the car body side end (110b) in deformation tube (160) is greater than the internal diameter of the baffle ring (130).
16. crushing device (10) as described in claim 1, which is characterized in that the crushing device (10) further include for
The baffle ring (130) locks the baffle ring (130) to prevent its phase after being threadedly coupled fixation with the mounting base (130)
To the locking member (142) of the mounting base (120) rotation.
17. crushing device (10) as claimed in claim 16, which is characterized in that the opposite hitch of the baffle ring (130)
It is provided on one side multiple lug bosses (131), the first end of the locking member (142) is limited in the adjacent lug boss
(131) between, the second end of the locking member (142) is fixed on the mounting base (120).
18. a kind of assemble method of crushing device as described in claim 1 (10), which is characterized in that include at least step:
(a) the hitch side end (160a) of the deformation tube (160) is installed in the mounting base (120)；
(b) at least the car body side end (110b) of the pressing member (110) is installed in the deformation tube (160)；And
(c) baffle ring (130) is screwed into installation to the hitch side end (120a) of the mounting base (120).
19. assemble method as claimed in claim 18, which is characterized in that further include step between step (a) and step (b)
It is rapid:
(a1) rotation-preventing mechanism is installed.
20. assemble method as claimed in claim 19, which is characterized in that
The rotation-preventing mechanism includes:
Anti-rotation bolt (140)；
The pin hole (122) being radially arranged on the mounting base (120)；
The first anti-rotation feature (163) of hitch side end (160a) setting of the deformation tube (160)；And
The second anti-rotation feature (112) are provided on the pressing member (110)；
Wherein, the anti-rotation bolt (140) is at least partially inserted into the pin hole (122), the first anti-rotation feature simultaneously
(163) and in the second anti-rotation feature (112)；The anti-rotation bolt (140) is screw, and the pin hole (122) is correspondingly arranged
There is internal screw thread；
Wherein, the installation rotation-preventing mechanism step includes:
The position for adjusting the deformation tube (160) makes the first anti-rotation feature (163) of the deformation tube (160) and the peace
Pin hole (122) alignment for filling seat (120), is screwed into the screw but does not tighten.
21. assemble method as claimed in claim 20, which is characterized in that the crushing device (10) further includes guide member
(150), it is used to guide the pressing member (110) under external impact force action substantially along the axis of the deformation tube (160)
It is moved to towards car body side；
Wherein, the step (b) of the assemble method includes following sub-step:
(b1) guide member (150) interference fit is connected to the car body side end (110b) of the pressing member (110)；
(b2) guide member (150) and the pressing member (110) interference being cooperatively connected are from the deformation tube
(160) hitch side end (160a) is packed into the deformation tube (160), so that the guide member (150) is reclined described
The inner surface of the reducer (162) of deformation tube (160)；And
(b3) adjust the pressing member (110) position make the second anti-rotation feature (112) of the pressing member (110) with
The first anti-rotation feature (163) of the deformation tube (160) is aligned, and continues to be screwed into the screw until tightening.
22. the assemble method as described in claim 18 or 19, which is characterized in that in (c) step, by the baffle ring
(130) installation is screwed until making the annular convex platform (113) being arranged on the baffle ring (130) and the pressing member (110)
It mutually keeps out the end face of hitch side.
23. a kind of coupler buffer system, including hitch, coupler draft gear and as described in any one of claims 1 to 17
Crushing device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002005.9A CN105644580B (en) | 2015-12-29 | 2015-12-29 | Crushing device, assembling method thereof and coupler buffer system comprising crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002005.9A CN105644580B (en) | 2015-12-29 | 2015-12-29 | Crushing device, assembling method thereof and coupler buffer system comprising crushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105644580A CN105644580A (en) | 2016-06-08 |
| CN105644580B true CN105644580B (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511002005.9A Active CN105644580B (en) | 2015-12-29 | 2015-12-29 | Crushing device, assembling method thereof and coupler buffer system comprising crushing device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515783B (en) | 2016-11-14 | 2018-06-01 | 中车青岛四方车辆研究所有限公司 | Hickey buffer with anti-rotation structure |
| CN108340937B (en) * | 2018-03-21 | 2023-06-09 | 深圳市乾行达科技有限公司 | Composite material anti-creeping energy-absorbing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2257770A (en) * | 1991-07-16 | 1993-01-20 | Fischer Georg Formtech | Shock absorber for a coupling |
| CN1914080A (en) * | 2004-02-04 | 2007-02-14 | 德尔纳车钩公司 | Towing arrangement and deformation tube in a railway vehicle coupling |
| CN201329871Y (en) * | 2008-11-27 | 2009-10-21 | 青岛四方车辆研究所有限公司 | Expanding crushing device |
| CN101674969A (en) * | 2007-05-08 | 2010-03-17 | 沃依特专利有限责任公司 | Energy absorption device for multi-section vehicles |
| JP5650089B2 (en) * | 2011-10-18 | 2015-01-07 | 株式会社日本製鋼所 | Railway vehicle coupling device |
| CN104417578A (en) * | 2013-09-06 | 2015-03-18 | Ta萨弗里有限公司 | A buffer |
| CN105172827A (en) * | 2015-08-27 | 2015-12-23 | 青岛四方车辆研究所有限公司 | Car coupler rear-mounted type crushing pipe with limiting device |
| CN205769318U (en) * | 2015-12-29 | 2016-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Crushing device and the hitch buffer system including it |
-
2015
- 2015-12-29 CN CN201511002005.9A patent/CN105644580B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2257770A (en) * | 1991-07-16 | 1993-01-20 | Fischer Georg Formtech | Shock absorber for a coupling |
| CN1914080A (en) * | 2004-02-04 | 2007-02-14 | 德尔纳车钩公司 | Towing arrangement and deformation tube in a railway vehicle coupling |
| CN101674969A (en) * | 2007-05-08 | 2010-03-17 | 沃依特专利有限责任公司 | Energy absorption device for multi-section vehicles |
| CN201329871Y (en) * | 2008-11-27 | 2009-10-21 | 青岛四方车辆研究所有限公司 | Expanding crushing device |
| JP5650089B2 (en) * | 2011-10-18 | 2015-01-07 | 株式会社日本製鋼所 | Railway vehicle coupling device |
| CN104417578A (en) * | 2013-09-06 | 2015-03-18 | Ta萨弗里有限公司 | A buffer |
| CN105172827A (en) * | 2015-08-27 | 2015-12-23 | 青岛四方车辆研究所有限公司 | Car coupler rear-mounted type crushing pipe with limiting device |
| CN205769318U (en) * | 2015-12-29 | 2016-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Crushing device and the hitch buffer system including it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105644580A (en) | 2016-06-08 |
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Address after: 213011 Wuyi Road, Jiangsu, Changzhou, No. 258 Applicant after: CRRC QISHUYAN INSTITUTE CO., LTD. Applicant after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL CO., LTD. Address before: 213011 Wuyi Road, Jiangsu, Changzhou, No. 258 Applicant before: CRRC QISHUYAN INSTITUTE CO., LTD. Applicant before: CSR Changzhou Tech-Mark Industrial Co., Ltd. |
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Effective date of registration: 20220511 Address after: 266111 South Side of Xinye Road and West Side of Herong Road, Qingdao Hi-tech Industrial Development Zone, Shandong Province Patentee after: CRRC Brake System Co.,Ltd. Address before: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee before: Changzhou CRRC TieMa Technology Industry Co., Ltd |