CN105346554B - High polymer elastic element and metal friction element combined buffers - Google Patents
High polymer elastic element and metal friction element combined buffers Download PDFInfo
- Publication number
- CN105346554B CN105346554B CN201510736219.2A CN201510736219A CN105346554B CN 105346554 B CN105346554 B CN 105346554B CN 201510736219 A CN201510736219 A CN 201510736219A CN 105346554 B CN105346554 B CN 105346554B
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- China
- Prior art keywords
- wedge
- high polymer
- polymer elastic
- elastic element
- housing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/08—Buffers with rubber springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
High polymer elastic element and metal friction element combined buffers, including housing, one group of high polymer elastic element, one group of metal spacer, wedge installation cylinder, one group of wedge block, briquetting, mandrel, nut and threaded connection locking part；Flexible member, metal spacer, wedge installation cylinder, wedge block and briquetting are fixedly connected with the casing by the nut and threaded connection locking part of mandrel end section, and beneficial effect is：There is higher S. E. A. than existing elastomeric bumpers；The working environment of elastomer element and metal spacer is better than the working environment of existing elastomeric bumpers elastomer element and metal spacer；Simple in construction, number of parts is few, and manufacturing cost is low, and operation and maintenance is simple to operate, and reliability is high.
Description
Technical field
The invention belongs to mechanical engineering technical field, more particularly to vibration damping and the plant equipment for relaxing impact, more particularly to
Coupler draft gear used for rolling stock.
Background technology
In the freight locomotive and vehicle coupler buffer of current domestic and international application, vapour-liquid, daub buffer shock-absorbing capacity
Preferably but reliability is general；Rubber bumper capacity is relatively low；All steel draft gear reliability is high, but shock-absorbing capacity is uneven
Surely, discreteness is big；Rub clay and friction hydraulic draft gear shock-absorbing capacity it is excellent, but this two classes buffer structure it is complicated, can
It is poor by property.
Macromolecular elastomer (TPEE) buffer ageing resistace is good, will be well below rubber to temperature to the sensitiveness of temperature
The sensitiveness of degree, absorption vibration ability is strong, stable buffering, stable performance；Maximum resistance is higher；Capacity is larger；Absorptivity is fitted
Preferably；Reliability is high；Temperature applicable range is wide.However, the absorptivity of this buffer is 70% or so, it is impossible to meets modern locomotive
Requirement of the vehicle to buffer high-energy absorption rate.
The content of the invention
The invention aims to improve the S. E. A. of macromolecular elastomer buffer, there is provided one kind has existing
The advantages of macromolecular elastomer buffer, and the buffer with high-energy absorption rate, overcome the deficiencies in the prior art.
Technical scheme is as follows：High polymer elastic element and metal friction element combined buffers, including one group
The energy-absorbing body of high polymer elastic element and one group of metal spacer composition, high polymer elastic element is that hollow top and bottom are cambered surface
Cylinder, geometry is similar to tire, and flexible member centre bore is provided with its center；Metal spacer is thin rounded flakes,
Metal spacer centre bore is provided with its central；It is characterized in that：The high polymer elastic element combines with metal friction element
Buffer also includes housing, wedge installation cylinder, wedge, briquetting, mandrel, nut and threaded connection locking part；The shell
Body is that enclosure interior has two concentric cylindrical chambers connected of lower chamber and upper chamber, lower chamber bottom back cover, bottom
Center is provided with a cylinder ladder hole being engaged with mandrel dimensions, upper chamber open top；One end band of the mandrel
There is the shaft shoulder, the shaft shoulder is engaged with the centered cylinder ladder hole of housing bottom, plays axially position；The other end of mandrel carries
External screw thread, external screw thread form thread connection with nut with merga pass anti-release member；It is provided with the wedge installation cylindrical center
Cylindrical central bore, cylindrical outer surface are provided with the wedge-shaped slot of radial symmetric；The wedge is to install cylindrical outer surface with wedge
The voussoir that is engaged of wedge-shaped slot, wedge vertical section is in a rectangular trapezoid, and the inclined-plane and two sides of wedge are and wedge is pacified
The face that the wedge-shaped slot of dress cylindrical outer surface is engaged, wedge are arranged in the wedge-shaped slot of wedge installation cylinder, and wedge is straight
The face that the trapezoidal right-angle side in angle is formed is the face of cylinder contacted with housing upper chamber side wall；The briquetting is hollow cylinder, pressure
Block bottom back cover, briquetting through hole, briquetting upper opening are provided with bottom centre；The one end of the mandrel with the shaft shoulder is placed in housing
In the centered cylinder ladder hole of bottom, the other end is placed in case top through housing, metal spacer, high polymer elastic element,
It is mounted on a mandrel that metal spacer, wedge installation cylinder and briquetting pass sequentially through respective centre bore, passes through nut and screw thread
Couple anti-release member and metal spacer, high polymer elastic element, metal spacer, wedge are installed into cylinder and briquetting and housing fixation company
Connect, coordinate wherein between metal spacer centre bore, cylindrical central bore and briquetting through hole and mandrel for gap, flexible member centre bore
Axis overlaps with its axis, there is gap between flexible member centre bore and mandrel, and wedge installation cylinder and briquetting are located at shell
In the upper chamber of body.
High polymer elastic element of the present invention and metal friction element combined buffers, it is characterised in that：The metal
Partition is that more than two panels the high polymer elastic element is more than one.
High polymer elastic element of the present invention and metal friction element combined buffers, it is characterised in that：The wedge shape
The wedge-shaped slot of block installation cylindrical outer surface is more than 2.
High polymer elastic element of the present invention and metal friction element combined buffers, it is characterised in that：The wedge shape
The groove bottom of block installation cylindrical outer surface wedge-shaped slot is tapered plane, and groove two sides are upright planes.
High polymer elastic element of the present invention and metal friction element combined buffers, it is characterised in that：The wedge shape
The key groove of groove and wedge is that the angle of tapered plane and horizontal plane is 10 °~89 °.
High polymer elastic element of the present invention and metal friction element combined buffers, it is characterised in that：The housing
Profile is cylinder, square column type, upper chamber housing are that cylindrical lower portion chamber housing is square column type, the upper chamber housing side of being
Cylindricality lower chamber housing is square column type for cylinder or upper chamber housing and lower chamber housing.
High polymer elastic element of the present invention and metal friction element combined buffers, it is characterised in that：The high score
Elastic element is rubber or engineering plastics.
Operation principle is：When shock loading acts on hollow cylinder briquetting vertically, hollow cylinder briquetting promotes wedge
Shape block, wedge promote wedge installation cylinder, and wedge installation cylinder promotes metal spacer and high polymer elastic component element,
Last axial load acts on the bottom of housing by metal spacer.In the process, wedge is made by hollow cylinder briquetting
With while, the reaction force acts on cylinder wedge-shaped slot inclined-plane are also installed by wedge, from hollow cylinder briquetting
Axial force and from under the collective effect of counter-force on wedge installation cylinder inclined-plane, wedge is in radial direction with housing epicoele
Wall produces extruding, and this squeezing action will produce in the motion process of wedge to rub and consumed energy, slow so as to improve
Rush the S. E. A. of device；At the same time, axial crushing deformation and apparatus with shock absorbing will occur for high polymer elastic component element,
And the radial friction between metal spacer and high polymer elastic element will also consume a part of impact energy.Work as axial impact loading
After disappearance, high polymer elastic element recovers deformation and promotes wedge installation cylinder, wedge and hollow cylinder briquetting under
Motion upwards, the state that final all elements are returned to before the load that is hit.
The beneficial effects of the invention are as follows：
1st, due to adding wedge and wedge installation cylinder, and wedge, wedge installation cylinder and other yuan
Assembly relation between part so that when briquetting bears axial load, just friction can be produced between cavity wall on voussoir and housing, with regard to energy
Part impact energy is consumed, therefore, buffer of the invention has higher S. E. A. than existing elastomeric bumpers.
2nd, buffer of the present invention, all main elements have been fitted into housing, have made elastomer element and metal spacer
Working environment is better than the working environment of existing elastomeric bumpers elastomer element and metal spacer；
3rd, buffer of the present invention still maintains simple in construction, number of parts on the premise of absorptivity of buffer is improved
Less, the characteristics of manufacturing cost is low, and operation and maintenance is simple to operate, and reliability is high.
4th, buffer of the present invention is also applied to mining machinery, metallurgy in addition to it can be used in rolling stock coupler draft gear
In the other industry such as machinery, petroleum machinery vibration damping and buffer device.
Brief description of the drawings
Fig. 1 is high polymer elastic element and metal friction element combined buffers assembly relation schematic diagram；
Fig. 2 is the wedge installation cylindrical structure schematic front view of four wedge-shaped slots；
Fig. 3 is Fig. 2 top view；
Fig. 4 is wedge structure of the main view；
Fig. 5 is Fig. 4 top view；
Fig. 6 is the wedge installation cylindrical structure schematic front view of two wedge-shaped slots；
In figure, 1, housing, 2, metal spacer, 3, high polymer elastic element, 4, wedge installation cylinder, 5, wedge, 6,
Briquetting, 7, mandrel, 8, nut, 9, threaded connection locking part.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
High polymer elastic element and metal friction element combined buffers include 1, one group of high polymer elastic element 3 of housing,
One group of metal spacer 2, wedge installation cylinder 4, wedge block 5, briquetting 6, mandrel 7, nut 8 and threaded connection locking part 9；Shell
Body 1 is that enclosure interior has two concentric cylindrical chambers connected of lower chamber and upper chamber, lower chamber bottom back cover, bottom
Center is provided with a cylinder ladder hole being engaged with mandrel dimensions, upper chamber open top；One end of mandrel 7 carries axle
Shoulder, the shaft shoulder are engaged with the centered cylinder ladder hole of housing bottom, play axially position；The other end of mandrel carries outer spiral shell
Line, external screw thread form thread connection with nut with merga pass anti-release member；High polymer elastic element 3 is that hollow top and bottom are arc
The cylinder in face, geometry is similar to tire, and flexible member centre bore is provided with its center；Metal spacer 2 is circle
Thin slice, metal spacer centre bore is provided with its central；Wedge is installed and cylindrical central bore is provided with the center of cylinder 4, outside cylinder
Surface is provided with the wedge-shaped slot of radial symmetric；Wedge block 5 is the wedge being engaged with the wedge-shaped slot of wedge installation cylinder 4 outer surface
Block, wedge block 5 are arranged in the wedge-shaped slot of wedge installation cylinder 4 outer surface, wedge side and housing upper chamber cylinder
Face contacts, and the key groove of wedge-shaped slot and wedge is that the angle of tapered plane and horizontal plane is 10 °~89 °；Briquetting 6 is hollow cylinder
Body, the bottom back cover of briquetting 6, briquetting through hole, the upper opening of hollow cylinder briquetting 6 is provided with bottom centre；Mandrel 7 is with the shaft shoulder
One end is placed in the centered cylinder ladder hole of housing bottom, and the other end is placed at the top of housing 1 through housing 1, metal spacer 2,
High polymer elastic element 3, metal spacer 2, wedge installation cylinder 4 and briquetting 6 pass sequentially through respective centre bore and are arranged on the heart
On axle 7, by nut 8 and threaded connection locking part 9 by metal spacer 2, high polymer elastic element 3, metal spacer 2, wedge
Installation cylinder 4 and briquetting 6 are fixedly connected with housing 1, wherein metal spacer centre bore, cylindrical central bore and briquetting through hole and mandrel
Coordinate between 7 for gap, flexible member centre bore axis is overlapped with the axis of mandrel 7, had between flexible member centre bore and mandrel 7
Gap, wedge installation cylinder 4 and briquetting 6 are located in the upper chamber of housing.
Assembling process is：First, 7 screwed one end of mandrel is passed through to the cylinder shoulder hole of the bottom centre of housing 1, made
The other end of mandrel 7 is engaged with the cylinder shoulder hole of the bottom centre of housing 1；Then, first metal spacer 2 is loaded into mandrel
7, then first high polymer elastic element 3 is loaded into mandrel 7, metal spacer 2 and high polymer elastic element 3 are alternately loaded successively
Mandrel 7, all metal spacers and high polymer elastic element 3 are enclosed in housing 1；Then, wedge installation cylinder 4 is loaded
Mandrel 7, on last a piece of metal spacer 2, then, by wedge 5 load between wedge installation cylinder 4 and housing 1,
Hollow cylinder briquetting 6 is loaded into mandrel 7 again, on wedge 5；Finally, nut 8 is screwed into the end of thread of mandrel 7, pushed down
Hollow cylinder briquetting 6, then the end of thread of mandrel 7 and nut 8 are connected with anti-release member 9.
Embodiment 1
Housing is cylindrical housings, and lower housing portion chamber internal diameter is more than upper chamber internal diameter 10mm.High polymer elastic element 3
For seven, metal spacer 2 is eight, and the wedge-shaped slot of wedge installation cylinder 4 outer surface is four, and wedge is four, wedge shape
The key groove of groove and wedge is that the angle of tapered plane and horizontal plane is 50 °, and the groove bottom of wedge-shaped slot is tapered plane, groove two sides
It is upright plane.
Embodiment 2
Housing is square column type housing, and lower housing portion chamber internal diameter is more than upper chamber internal diameter 10mm.High polymer elastic element 3
For seven, metal spacer 2 is eight, and the wedge-shaped slot of wedge installation cylinder 4 outer surface is two, and wedge is two, wedge shape
The key groove of groove and wedge is that the angle of tapered plane and horizontal plane is 45 °, and the groove bottom of wedge-shaped slot is tapered plane, groove two sides
It is upright plane.
Claims (7)
1. high polymer elastic element and metal friction element combined buffers, including one group of high polymer elastic element (3) and one group
Metal spacer (2) composition energy-absorbing body, high polymer elastic element (3) be hollow top and bottom be cambered surface cylinder, geometric form
Shape is similar to tire, and flexible member centre bore is provided with its center；Metal spacer (2) is thin rounded flakes, at its central
Provided with metal spacer centre bore；It is characterized in that：The high polymer elastic element also wraps with metal friction element combined buffers
Include housing (1), wedge installation cylinder (4), wedge (5), briquetting (6), mandrel (7), nut (8) and threaded connection locking part
(9)；The housing (1) is that enclosure interior has two concentric cylindrical chambers connected of lower chamber and upper chamber, lower chamber
Bottom back cover, bottom center are provided with circular shape through hole, upper chamber open top；One end of the mandrel (7) carries the shaft shoulder,
The shaft shoulder is engaged with the central circular ladder hole of housing bottom, plays axially position, and the other end of mandrel carries external screw thread,
External screw thread forms thread connection with nut (8) with merga pass threaded connection locking part (9)；The wedge installation cylinder (4)
Cylindrical central bore is provided with center, cylindrical outer surface is provided with the wedge-shaped slot of radial symmetric；The wedge (5) is pacified with wedge
The voussoir that the wedge-shaped slot of dress cylinder (4) outer surface is engaged, wedge (5) vertical section is in a rectangular trapezoid, the inclined-plane of wedge (5)
It is the face that is engaged of wedge-shaped slot with wedge installation cylinder (4) outer surface with two sides, wedge (5) is arranged on wedge peace
In the wedge-shaped slot for filling cylinder (4), face that the right-angle side of wedge (5) right-angled trapezium is formed is contacted with housing upper chamber side wall
The face of cylinder；The briquetting (6) is hollow cylinder, briquetting (6) bottom back cover, and briquetting through hole, briquetting are provided with bottom centre
(6) upper opening；The described one end of mandrel (7) with the shaft shoulder is placed in the central circular ladder hole of housing bottom, and the other end is worn
Cross housing (1) to be placed at the top of housing (1), metal spacer (2), high polymer elastic element (3), metal spacer (2), wedge installation
Cylinder (4) and briquetting (6) pass sequentially through respective centre bore in mandrel (7), pass through nut (8) and threaded connection locking
Part (9) by metal spacer (2), high polymer elastic element (3), metal spacer (2), wedge install cylinder (4) and briquetting (6) and
Housing (1) is fixedly connected, and is wherein matched somebody with somebody between metal spacer centre bore, cylindrical central bore and briquetting through hole and mandrel (7) for gap
Close, flexible member centre bore axis overlaps with mandrel (7) axis, has gap between flexible member centre bore and mandrel (7), wedge shape
Block installation cylinder (4) and briquetting (6) are located in the upper chamber of housing.
2. high polymer elastic element as claimed in claim 1 and metal friction element combined buffers, it is characterised in that：The gold
It is that more than two panels the high polymer elastic element (3) is more than one to belong to partition (2).
3. high polymer elastic element as claimed in claim 2 and metal friction element combined buffers, it is characterised in that：The wedge
The wedge-shaped slot of shape block installation cylinder (4) outer surface is more than 2.
4. high polymer elastic element as claimed in claim 3 and metal friction element combined buffers, it is characterised in that：The wedge
The groove bottom of shape block installation cylinder (4) outer surface wedge-shaped slot is tapered plane, and groove two sides are upright planes.
5. high polymer elastic element as claimed in claim 4 and metal friction element combined buffers, it is characterised in that：The wedge
The key groove of shape groove and wedge is that the angle of tapered plane and horizontal plane is 10 °~89 °.
6. high polymer elastic element as claimed in claim 1 and metal friction element combined buffers, it is characterised in that：The shell
Body (1) profile is cylinder, square column type, upper chamber housing are that cylindrical lower portion chamber housing is square column type, upper chamber shell
Body is that square column type lower chamber housing is cylinder or upper chamber housing and lower chamber housing is square column type.
7. high polymer elastic element as claimed in claim 1 and metal friction element combined buffers, it is characterised in that：The height
Molecular flexibility element (3) is rubber or engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736219.2A CN105346554B (en) | 2015-11-03 | 2015-11-03 | High polymer elastic element and metal friction element combined buffers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736219.2A CN105346554B (en) | 2015-11-03 | 2015-11-03 | High polymer elastic element and metal friction element combined buffers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105346554A CN105346554A (en) | 2016-02-24 |
| CN105346554B true CN105346554B (en) | 2017-12-22 |
Family
ID=55322674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510736219.2A Expired - Fee Related CN105346554B (en) | 2015-11-03 | 2015-11-03 | High polymer elastic element and metal friction element combined buffers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105346554B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319650A (en) * | 2018-12-13 | 2020-06-23 | 株洲飞马橡胶实业有限公司 | Rubber elastomer for low-floor vehicle, inner body mold for preparing rubber elastomer and preparation method of inner body mold |
| RU2736971C1 (en) * | 2019-12-06 | 2020-11-23 | Александр Александрович Андреев | Absorbing apparatus |
| CN112224231A (en) * | 2020-11-09 | 2021-01-15 | 大连交通大学 | Combined buffer containing movable plate and sleeve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2918092A1 (en) * | 1979-05-04 | 1980-11-13 | Ringfeder Gmbh | DEVICE FOR SUSPENSIONING FORCES, IN PARTICULAR FOR A MEDIUM BUFFER CLUTCH OF RAIL VEHICLES |
| CN85101367B (en) * | 1985-04-01 | 1988-09-14 | 迈因纳企业公司 | Draft gear |
| CN200981563Y (en) * | 2006-12-19 | 2007-11-28 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer for railway vehicle |
| CN201580219U (en) * | 2010-01-21 | 2010-09-15 | 中国北车集团大同电力机车有限责任公司 | Friction energy consumption bumper |
| CN103373368B (en) * | 2012-04-27 | 2016-02-10 | 中国铁路总公司 | Energy disperser and railway truck |
| CN103273943A (en) * | 2013-05-21 | 2013-09-04 | 大连交通大学 | Torque-changeable buffer power absorber |
| CN103496382B (en) * | 2013-10-25 | 2017-02-01 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer of railway freight wagon and railway freight wagon |
| CN204399190U (en) * | 2015-01-09 | 2015-06-17 | 南京中盛铁路车辆配件有限公司 | High power capacity train shock absorber |
-
2015
- 2015-11-03 CN CN201510736219.2A patent/CN105346554B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105346554A (en) | 2016-02-24 |
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Granted publication date: 20171222 Termination date: 20211103 |