CN107650940A - A kind of locomotive traction buffer unit - Google Patents
A kind of locomotive traction buffer unit Download PDFInfo
- Publication number
- CN107650940A CN107650940A CN201710851996.0A CN201710851996A CN107650940A CN 107650940 A CN107650940 A CN 107650940A CN 201710851996 A CN201710851996 A CN 201710851996A CN 107650940 A CN107650940 A CN 107650940A
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- box body
- buffer unit
- core body
- elastic cement
- plate
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- 239000000872 buffer Substances 0.000 title claims abstract description 77
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 38
- 239000004568 cement Substances 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims description 25
- 239000004927 clay Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 11
- 238000005242 forging Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 238000007906 compression Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000003068 static effect Effects 0.000 description 8
- 230000003139 buffering effect Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000000418 atomic force spectrum Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 206010008469 Chest discomfort Diseases 0.000 description 2
- RAQQRQCODVNJCK-JLHYYAGUSA-N N-[(4-amino-2-methylpyrimidin-5-yl)methyl]-N-[(E)-5-hydroxy-3-(2-hydroxyethyldisulfanyl)pent-2-en-2-yl]formamide Chemical compound C\C(N(Cc1cnc(C)nc1N)C=O)=C(\CCO)SSCCO RAQQRQCODVNJCK-JLHYYAGUSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000007853 buffer solution Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
- B61G9/08—Draw-gear combined with buffing appliances with fluid springs or fluid shock-absorbers; Combinations thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The application provides a kind of locomotive traction buffer unit, including coupler yoke key (1), couple yoke (2), center wedge (3), afterwards from plate (4), buffer box body (5), cushion plugs (6) and elastic cement core body (7), it is characterized in that, couple yoke (2) the front end connection coupler yoke key (1), pass through the fixed buffer box body (5) of cushion plugs (6) in the middle part of couple yoke (2), center wedge (3) is arranged at buffer box body (5) rear end, afterwards center wedge (3) rear end is arranged at from plate (4), it is internal that elastic cement core body (7) is arranged at buffer box body (5).By using the design of elastic cement core body nonlinear dampling feature structure, the automobile-used traction buffer unit of the machine is set to obtain good damping characteristics；Buffer box body and the preceding integral structure from plate, solve the problem limited by vehicle body bottom frame installing space；The cushion plugs of solid forging improve the centering reset capability of hitch.
Description
Technical field
The present invention relates to railway security field, especially a kind of locomotive traction buffer unit.
Background technology
Rail vehicles traction buffer unit is mainly made up of parts such as buffer unit, hitch and couple yokes, and it is buffered
Device is core component, and it is arranged between locomotive and vehicle or locomotive and locomotive.In train operation, buffer unit is drawn
Impulsive force during for transmitting the hauling capacity of a locomotive and brake, even hang, it is non-at the uniform velocity in braking, acceleration etc. by absorbing or reducing locomotive
Caused longitudinal force in traveling, the hitch transverse component as caused by longitudinal impact force and vehicle derailing coefficient are reduced, improved
Train longitudinal dynamics performance, extend the car body life-span, so as to improve the stability of train operation and stationarity, it is ensured that railway transportation
Safety.
Prior art is to reach the mesh of buffering and energy absorption by the elasticity of compression and damping characteristic of flexible member
's.Its feature is that operation is smooth, low-speed impedance power is small, good buffer effect；Shortcoming is that stroke is big, and in braking on curve, hitch holds
Easily pressure is inclined, automatic centering reset function deficiency, causes hitch cross force excessive, is unfavorable for the safe operation of middle part locomotive.Therefore,
Under Datong-Qinhuangdao Railway special operation condition, the type coupler buffering device is forbidden being used for middle part marshalling locomotive.Meanwhile the buffer unit maintenance cost compared with
Height, it is damaged with regard to elastomer buffering cake often occurs in 8~100,000 kilometers of operation, need to carry out whole coupler buffering device more every year
Change.
The content of the invention
To overcome the defects of existing, the present invention proposes a kind of locomotive traction buffer unit.
A kind of locomotive traction buffer unit, including coupler yoke key, couple yoke, center wedge, after from plate, buffer box body, slow
Extrusion and elastic cement core body, the couple yoke front end connect coupler yoke key, and buffer box body is fixed in couple yoke middle part by cushion plugs,
Center wedge is arranged at buffer box body rear end, after from plate be arranged at center wedge rear end, elastic cement core body is arranged at baffle-box
Internal portion.
Wherein, in buffer box body inside, top sets spring assembly；Bottom sets elastic cement core body, and spring base is set
In spring assembly and elastic cement core body rear portion.Buffer box body with it is preceding from plate integral structure, can meet that locomotive buffer unit is indulged
To 338 millimeters of installation dimension requirements.
Wherein, cushion plugs are U-shape structure, and round platform is against the front side of buffer box body at the top of U-shaped cushion plugs.Cushion plugs can carry
For hitch horizontal reset.
Wherein, spring base rear sets dynamic plate, moves and outer stationary plates are set above plate；Fixed swash plate is set below dynamic plate, Gu
Batter board lower end sets voussoir, voussoir rear portion fitting center wedge.
Wherein, the tilted rubbing surface of center wedge is bonded with the rubbing surface of voussoir, and the big rubbing surface in outside of voussoir is with consolidating
The medial surface fitting of batter board, the small rubbing surface in bottom of voussoir are bonded with the top bevel of spring base, are rubbed on the outside of fixed swash plate
Wiping face is bonded with the medial surface of dynamic plate, and the lateral surface of dynamic plate is bonded with outer stationary plates.This mechanism is by 9 antifriction metal (AFM) forging moldings
Brake pad, 3 spring bases and 6 groups of springs into symmetrical 10 pairs can self-righting friction pair, by rushing in locomotive operation
Effect energy is hit to change into frictional heat and consume.
Wherein, elastic cement core body is located at buffer box body inner bottom part middle position, and its bottom surface is pasted with buffer box body inner bottom surface
Close, its top is bonded and is servo-actuated with the bottom of spring base.
Wherein, cylinder barrel is set inside the elastic cement core body, and the piston with check valve is sealed by elastic cement core body
Structure is arranged in cylinder barrel, the elastic cement being full of in cylinder barrel, and dust seal sleeve is set on the outside of piston cylinder end, wherein, it is living
Fill in end and pressure-releasing chamber is set, pressure-releasing chamber is sealed by block, and steel ball is set in pressure-releasing chamber.
Elastic cement core body sealing structure includes cylinder cap, and it is located at cylinder barrel openend and seals cylinder barrel.
Include sealing ring, guide sleeve, O-ring seals, tail-hood and support block inside cylinder sleeve, wherein, the sealing ring with lead
Positioned to set by tail-hood and support block, O-ring seals are embedded in sealing ring, tail-hood is fixed on cylinder cap by spring collar
It is interior.
Sealing ring is two, and guide sleeve is three；Twice O-ring seals are inlayed on sealing ring respectively.By using elasticity
The design of clay core body nonlinear dampling feature structure, the automobile-used traction buffer unit of the machine is set to obtain good damping characteristics；It is slow
Casing and the preceding integral structure from plate are rushed, solves the problem limited by vehicle body bottom frame installing space；The buffering of solid forging
Plug improves the centering reset capability of hitch.
Brief description of the drawings
Fig. 1 is that locomotive draws buffer unit schematic diagram 1.
Fig. 2 is that locomotive draws buffer unit schematic diagram 2.
Fig. 3 is elastic cement core body schematic diagram.
Fig. 4 is elastic cement core body sealed structural representation.
Fig. 5 is elastic cement core body damping characteristic schematic diagram.
Embodiment
A kind of locomotive provided by the invention is carried out in detail with traction buffer unit with specific embodiment below in conjunction with the accompanying drawings
Description.
Fig. 1 and Fig. 2 shows a kind of locomotive traction buffer unit, including coupler yoke key 1, couple yoke 2, center wedge 3, after from
Plate 4, buffer box body 5, cushion plugs 6 and elastic cement core body 7, the front end of couple yoke 2 connect coupler yoke key 1, and the middle part of couple yoke 2 is logical
Cross cushion plugs 6 and fix buffer box body 5, center wedge 3 is arranged at the rear end of buffer box body 5, after after plate 4 is arranged at center wedge 3
End, elastic cement core body 7 are arranged inside buffer box body 5.
In the inside of buffer box body 5, top sets spring assembly 8；Bottom sets elastic cement core body 7, and spring base 9 is arranged at
Spring assembly 8 and the rear portion of elastic cement core body 7.
Cushion plugs 6 in couple yoke 2 are U-shape structure, and the round platform that each two protrudes is connected, round platform top and hitch tail
Facial planes is relative, and its rear portion is against the bottom surface of buffer box body 5, and it is the free pivot angle for limiting hitch that it, which makees one,；Second, in hitch
When pivot angle is more than free pivot angle, the restoring force of buffer unit is delivered to coupler butt plane, reset force is provided for hitch.
The rear of spring base 9 sets dynamic plate 11, moves the top of plate 11 and sets outer stationary plates 10；The dynamic lower section of plate 11 sets fixed swash plate
12, the fixed lower end of swash plate 12 sets voussoir 13, the rear portion of voussoir 13 fitting center wedge 3.
The tilted rubbing surface of center wedge 3 is bonded with the rubbing surface of voussoir 13, and the big rubbing surface in outside of voussoir 13 is with consolidating
The medial surface fitting of batter board 12, the small rubbing surface in bottom of voussoir 13 are bonded with the top bevel of spring base 9, fixed swash plate 12
Outer friction surface is bonded with the medial surface of dynamic plate 11, and the lateral surface of dynamic plate 11 is bonded with outer stationary plates 10.
The top planes of center wedge 3 with it is relative after be servo-actuated from plate, friction element and spring base 9 form 10 pairs of frictions
Pair, under the supporting role of the bottom groups of springs 8 of buffer box body 5, by the relative movement of friction element, friction pair is by locomotive underframe
The impact energy for passing to traction buffer unit changes into friction heat loss.
Buffer box body 5 of the present invention, it is combined into preceding from plate and the cavity design of installation friction mechanism and elastic cement core body
One, solve the problems, such as that the traction buffer unit of friction clay composite construction is limited in existing 338 millimeters of installing spaces of locomotive.
Elastic cement core body 7 is located at the inner bottom part middle position of buffer box body 5, and its bottom surface is bonded with the inner bottom surface of buffer box body 5,
Its top is bonded and is servo-actuated with the bottom of spring base 9.
Fig. 3 and Fig. 4 shows that the inside of elastic cement core body 7 sets cylinder barrel 16, and the piston 14 with check valve passes through elastic cement
Core body sealing structure 18 is arranged in cylinder barrel 16, the elastic cement 17 being full of in cylinder barrel 16, is set on the outside of the piston end of cylinder barrel 16 anti-
Dirt seal sleeve 15.
Piston assembly 14 is pressed into cylinder barrel 16, by the volume compression for the elastic cement 17 being full of in cylinder barrel 16, makes cylinder barrel
The pressure of elastic cement 17 in 16 is risen by predetermined design rigidity, so that the static constraint reaction of piston rod extraction rises, reaches energy
Measure the purpose of storage；When having compression speed, elastic cement 17 is passing through the annulus between piston and the inwall of cylinder barrel 16
During gap, high pressure chest is formed in the front end face of moving piston 14, low pressure chamber is formed in the rear end face of moving piston 14, produces pressure
Difference.When having compression speed, dynamic pressure is passed out by piston rod simultaneously, dynamic pressure now with the rise of press-in speed and
Increase.Sealing structure is positioned double-layer seal rings 162 and three groups of guide sleeves 163 by tail-hood 164 and support block 165, uses spring
Collar 166 is fixed in cylinder cap 161, and twice O-ring seal 167 has blocked the transmission of pressure, makes two layers of sealing-plug 162 only
Vertical work, increase reliability and the fatigue life of sealing structure；Sealing ring 162 loads from cylinder cap openend, will not damage sealing,
This structure solves the installation problem sealed when diameter of piston rod and the radial thickness ratio very little of sealing.
Piston end sets pressure-releasing chamber 141, and pressure-releasing chamber 141 is sealed by block, and steel ball 143 is set in pressure-releasing chamber 141, by
In energy will be stored when the elastic cement in cylinder barrel 16 is compressed, piston assembly 14 is promoted to have bounce-back trend, when compression is dynamic
When can be zero, piston assembly 14 starts to rebound.When speed very little, the elastic force of piston assembly 14 rebounds by the static of core body
Force curve resilience (pressure of elastic cement simply overcomes the static bounce that the stiction in system is formed), returned when there is speed
During bullet, the check valve on piston 14 is opened, and the rebound damping of piston assembly 14 is reduced as far as possible, is promoted piston assembly
14, by static bounce-back force curve resilience, so as to accelerate the ball rebound velocity of core body, shorten the bounce-back time, improve buffer system
The response coefficient of system.At low temperatures, elastic cement viscosity increases, resistance when being replied to the left after the elasticity of compression clay of piston 14
Increase, now steel ball 143 is flicked to the right rapidly next time in differential pressure action, abuts in the left side of block 142, and check valve is opened, and makes work
The rapid release in the right side of plug 14, piston 14 drive the quick return to the left of piston rod, and the low temperature for improving friction daub buffer resets
Performance.Simultaneously because bounce-back process eliminates damping action, elastic cement core body 7 energy expenditure of itself is reduced, is reduced
Temperature rise, the overtemperature protection to sealing also played an important role.
As shown in figure 5, the present invention is changed using elastic cement in lower damping characteristic different in flow rate, the nonlinear dampling of design
The elastic cement core body 7 of feature structure, by the accurate rigid friction energy-dissipating process of friction mechanism, change into flexible buffer and consumed energy
Journey, elastic cement core body makes the resistance of traction buffer unit be automated toed respond under different tractions and impact operating mode, so as to obtain
Good cushion energy absorbing property, meet the operation requirement of heavy loading locomotive.
Two kinds of motoricities that buffer unit transmits locomotive are drawn, are tractive force and impulsive force respectively.Tractive force transmittance process
For：
The tractive force of locomotive is delivered to buffer box body from the front draft lug of vehicle body bottom frame by the both sides boss of buffer box body 5
5th, small portion's tractive force is transferred to spring assembly 8 and elastic cement core body 7 from the bottom of buffer box body 5, is then passed to spring base 9,
Then it is transferred to two voussoirs 13, is then passed to center wedge 3, most of tractive force passes through the oral area side wall of buffer box body 5 and side
Wall boss is transferred to outer stationary plates 10 and fixed swash plate 12, is then passed to two blocks of dynamic plates 11 and is transferred to center wedge by voussoir
Block 3 and then follower plate 11 and center wedge 3 be transferred to after from plate 4, be then passed to the tail inner side face of couple yoke 2, then pass
The anterior coupler yoke key 1 of couple yoke 2 is handed to, tractive force is provided for trailing locomotive or vehicle by the hitch being connected with coupler yoke key 1；
The transmittance process of impulsive force be from the rear draft lug of vehicle body bottom frame be transferred to after from plate 4, be then passed to center wedge
The big portion of power that power on block 3 and two blocks of dynamic plates 11, center wedge 3 is transferred on two pieces of voussoirs, 13, two pieces of voussoirs 13 is transferred to pair
The fixation swash plate 12 that should be close to and then the bottom of buffer box body 5 is transferred to by the oral area side wall boss of buffer box body 5；Fraction power
Groups of springs 8 and elastic cement core body 7 are transferred to by spring base 9, are then passed to the bottom of buffer box body 5；On two blocks of dynamic plates 11
Power be transferred to the outer stationary plates 10 be close to and fixed swash plate 12 and then convex by the oral area side wall of buffer box body 5 and side wall respectively
Platform is transferred to the bottom of buffer box body 5, is then passed to the front inner face of couple yoke 2, is then passed to coupler yoke key 1 and then passes through
The hitch being connected with coupler yoke key 1 is transferred to trailing locomotive or vehicle.
Elastic cement core body mechanism is：Piston assembly 14 is pressed into cylinder barrel 16, the elasticity that will be full of in cylinder barrel 16
The volume compression of clay 17, the pressure of the elastic cement 17 in cylinder barrel 16 is set to increase by predetermined design rigidity, so that piston rod
The static constraint reaction of extraction rises, and reaches the purpose of energy storage；When having compression speed, elastic cement 17 is passing through piston 14
During annulus between the inwall of cylinder barrel 16, high pressure chest is formed in the front end face of moving piston 14, after moving piston 14
End face forms low pressure chamber, produces pressure differential.When having compression speed, dynamic pressure is passed out by piston rod simultaneously, now
Dynamic pressure increases with the rise of press-in speed.Due to energy will be stored when the elastic cement in cylinder barrel 16 is compressed, promote
Piston assembly 14 has bounce-back trend, and when it is zero to compress kinetic energy, piston assembly 14 starts to rebound.It is living when speed very little
The elastic force of plug assembly 14 by core body the static bounce-back force curve resilience (pressure of elastic cement quiet rubbing of simply overcoming in system
Wipe the static bounce that power is formed), when there is speed resilience, the check valve on piston 14 is opened, and makes the anti-of piston assembly 14
Bullet damping reduces as far as possible, promotes piston assembly 14 to be replied by static state bounce-back force curve, so as to accelerate the bounce-back of core body
Speed, the bounce-back time is shortened, improve the response coefficient of buffer system.Make simultaneously because bounce-back process eliminates damping
With reducing the energy expenditure of elastic cement core body in itself, reduce temperature rise, the overtemperature protection of sealing has also been played important
Effect.
The elastic cement core body of the present invention makes elastic cement produce different damping forces by cylinder barrel variable diameter design, so as to
Nonlinear dampling force characteristic curve is formed, the curve matches with the friction mechanism of buffer meets that locomotive, vehicle bumper performance will
Ask.
The novel sealing structure of elastic cement core body is oriented to using double-layer seal rings and three groups of guide sleeves, increases sealing structure
Reliability and fatigue life；Sealing ring loads from cylinder cap opening end, solves diameter of piston rod and the radial thickness of sealing
The installation problem sealed during ratio very little；One-way valve structures, at low temperatures, elastic cement viscosity increase, check valve are opened
Afterwards, piston rod can returning quickly, improve friction daub buffer low temperature reseting performance.
The present invention is changed using elastic cement in lower damping characteristic different in flow rate, the nonlinear dampling feature structure of design
Elastic cement core body, by the viscous friction power consumption process of buffer friction mechanism, viscous-soft buffering energy-consumption process is changed into, elasticity
Clay core body makes the resistance of frictional buffer be automated toed respond under different operating modes, special so as to obtain good buffering energy-consumption
Property, meet the operation requirement of locomotive, vehicle.
Finally it should be noted that above example is only describing technical scheme rather than to this technology method
Limited, the present invention can above extend to other modifications, change, application and embodiment, and it is taken as that institute in application
There are such modification, change, application, embodiment all in the range of the spirit or teaching of the present invention.
Claims (10)
1. a kind of locomotive traction buffer unit, including coupler yoke key (1), couple yoke (2), center wedge (3), after from plate (4), slow
Rush casing (5), cushion plugs (6) and elastic cement core body (7), it is characterised in that couple yoke (2) front end connects coupler yoke key
(1) buffer box body (5), is fixed by cushion plugs (6) in the middle part of couple yoke (2), after center wedge (3) is arranged at buffer box body (5)
End, after from plate (4) be arranged at center wedge (3) rear end, it is internal that elastic cement core body (7) is arranged at buffer box body (5).
2. locomotive according to claim 1 traction buffer unit, it is characterised in that in buffer box body (5) inside,
Top sets spring assembly (8)；Bottom sets elastic cement core body (7), and spring base (9) is arranged at spring assembly (8) and elasticity
Clay core body (7) rear portion.
3. locomotive according to claim 1 traction buffer unit, it is characterised in that the cushion plugs (6) are U-shaped knot
Structure, U-shaped cushion plugs (6) top round platform are against the front side of buffer box body (5).
4. locomotive according to claim 1 traction buffer unit, it is characterised in that spring base (9) rear is set
Dynamic plate (11), moves and outer stationary plates (10) is set above plate (11)；Fixed swash plate (12), fixed swash plate are set below dynamic plate (11)
(12) lower end sets voussoir (13), voussoir (13) rear portion fitting center wedge (3).
5. the locomotive traction buffer unit according to claim 1 or 4, it is characterised in that center wedge (3) introversion
Oblique rubbing surface is bonded with the rubbing surface of voussoir (13), the big rubbing surface in outside of voussoir (13) and the medial surface of fixed swash plate (12)
Fitting, the small rubbing surface in bottom of voussoir (13) are bonded with the top bevel of spring base (9), the outer friction surface of fixed swash plate (12)
It is bonded with the medial surface of dynamic plate (11), the lateral surface of dynamic plate (11) is bonded with outer stationary plates (10).
6. locomotive according to claim 1 traction buffer unit, it is characterised in that elastic cement core body (7) position
In buffer box body (5) inner bottom part middle position, its bottom surface is bonded with buffer box body (5) inner bottom surface, its top and spring base (9)
Bottom is bonded and is servo-actuated.
7. the locomotive traction buffer unit according to claim 1 or 6, it is characterised in that the elastic cement core body (7)
Inside sets cylinder barrel (16), and the piston (14) with check valve is arranged on cylinder barrel (16) by elastic cement core body sealing structure (18)
Elastic cement (17) that is interior, being full of in cylinder barrel (16), cylinder barrel (16) piston end outside set dust seal sleeve (15), wherein,
Piston (14) end sets pressure-releasing chamber (141), and pressure-releasing chamber (141) is sealed by block (142), and steel is set in pressure-releasing chamber (141)
Ball (143).
8. locomotive according to claim 7 traction buffer unit, it is characterised in that the elastic cement core body sealing knot
Structure (18) includes cylinder cap (161), and it is located at cylinder barrel (16) openend and seals cylinder barrel (16).
9. locomotive according to claim 8 traction buffer unit, it is characterised in that include inside the cylinder cap (161)
Sealing ring (162), guide sleeve (163), O-ring seals (167), tail-hood (164) and support block (165), wherein, the sealing ring
(162) positioned with guide sleeve (163) by tail-hood (164) and support block (165), O-ring seals (167) are embedded in sealing ring
(162) interior, tail-hood (164) is fixed in cylinder cap (161) by spring collar (166).
10. locomotive according to claim 8 traction buffer unit, it is characterised in that the sealing ring (162) is two
Individual, guide sleeve (163) is three；Twice O-ring seals (167) are inlayed on sealing ring (162) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851996.0A CN107650940B (en) | 2017-09-20 | 2017-09-20 | Traction buffer device for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851996.0A CN107650940B (en) | 2017-09-20 | 2017-09-20 | Traction buffer device for locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107650940A true CN107650940A (en) | 2018-02-02 |
| CN107650940B CN107650940B (en) | 2024-04-12 |
Family
ID=61130950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710851996.0A Active CN107650940B (en) | 2017-09-20 | 2017-09-20 | Traction buffer device for locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107650940B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021112722A1 (en) * | 2019-12-06 | 2021-06-10 | Александр Александрович АНДРЕЕВ | Shock-absorbing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB950356A (en) * | 1961-05-08 | 1964-02-26 | Kenneth George Empson | Improvements in or relating to buffing and draw gear for railway vehicles |
| US20060043046A1 (en) * | 2004-08-26 | 2006-03-02 | Wabtec Holding Corp. | Positional variable orifice pin for hydraulic pressure control in a draft gear |
| CN200981562Y (en) * | 2006-12-18 | 2007-11-28 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer for railway vehicle |
| CN102501878A (en) * | 2011-11-09 | 2012-06-20 | 天津机辆轨道交通装备有限责任公司 | High-power locomotive buffer |
| CN203126880U (en) * | 2013-01-20 | 2013-08-14 | 西南交通大学 | Buffer for high-power locomotive |
| CN205423672U (en) * | 2015-12-16 | 2016-08-03 | 北京金自天和缓冲技术有限公司 | Elastic rubber body balancing unit |
| CN206141569U (en) * | 2015-12-29 | 2017-05-03 | 德尔纳阻尼器公司 | A reactive inhibition hydraulic damper for train coupling |
| CN208149331U (en) * | 2017-09-20 | 2018-11-27 | 中国铁道科学研究院金属及化学研究所 | A kind of locomotive traction buffer unit |
-
2017
- 2017-09-20 CN CN201710851996.0A patent/CN107650940B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB950356A (en) * | 1961-05-08 | 1964-02-26 | Kenneth George Empson | Improvements in or relating to buffing and draw gear for railway vehicles |
| US20060043046A1 (en) * | 2004-08-26 | 2006-03-02 | Wabtec Holding Corp. | Positional variable orifice pin for hydraulic pressure control in a draft gear |
| CN200981562Y (en) * | 2006-12-18 | 2007-11-28 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer for railway vehicle |
| CN102501878A (en) * | 2011-11-09 | 2012-06-20 | 天津机辆轨道交通装备有限责任公司 | High-power locomotive buffer |
| CN203126880U (en) * | 2013-01-20 | 2013-08-14 | 西南交通大学 | Buffer for high-power locomotive |
| CN205423672U (en) * | 2015-12-16 | 2016-08-03 | 北京金自天和缓冲技术有限公司 | Elastic rubber body balancing unit |
| CN206141569U (en) * | 2015-12-29 | 2017-05-03 | 德尔纳阻尼器公司 | A reactive inhibition hydraulic damper for train coupling |
| CN208149331U (en) * | 2017-09-20 | 2018-11-27 | 中国铁道科学研究院金属及化学研究所 | A kind of locomotive traction buffer unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021112722A1 (en) * | 2019-12-06 | 2021-06-10 | Александр Александрович АНДРЕЕВ | Shock-absorbing device |
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