CN105346554A - Buffer combining polymeric elastic components and metal friction components - Google Patents
Buffer combining polymeric elastic components and metal friction components Download PDFInfo
- Publication number
- CN105346554A CN105346554A CN201510736219.2A CN201510736219A CN105346554A CN 105346554 A CN105346554 A CN 105346554A CN 201510736219 A CN201510736219 A CN 201510736219A CN 105346554 A CN105346554 A CN 105346554A
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- China
- Prior art keywords
- wedge
- elastic element
- housing
- high polymer
- cylinder
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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
Abstract
A buffer combining polymeric elastic components and metal friction components comprises a shell, one set of the polymeric elastic components, one set of metal spacers, a wedge block installation cylinder, a set of wedge block bodies, a pressing block, a mandrel, a nut and a thread connection looseness preventing piece. The elastic components, the metal spacers, the wedge block installation cylinder, the wedge block bodies and the pressing block are fixedly connected with the shell through the nut and the thread connection looseness preventing piece which are arranged at the end of the mandrel. The buffer has the beneficial effects that compared with an existing elastic body buffer, the buffer is higher in energy absorption rate; the working environment of the elastic components and the metal spacers is superior to that of elastic components and metal spacers of the existing elastic body buffer; and the buffer is simple in structure, small in part number, low in manufacturing cost, easy to use, maintain and operate and high in reliability.
Description
Technical field
The invention belongs to mechanical engineering technical field, particularly relate to vibration damping and relax the mechanical equipment impacted, particularly coupler draft gear used for rolling stock.
Background technology
In the freight locomotive and vehicle coupler energy disperser of current domestic and international application, vapour-liquid, daub buffer cushion characteristic are better but reliability is general; Rubber draft gear capacity is lower; All steel draft gear reliability is high, but cushion characteristic is not steady, and discreteness is large; Friction clay is excellent with friction hydraulic draft gear cushion characteristic, but this two classes buffer structure is complicated, reliability is poor.
Macromolecular elastomer (TPEE) energy disperser ageing resistance is good, well below the sensivity of rubber to temperature, will absorb vibration ability strong, stable buffering, stable performance to the sensivity of temperature; Maximum resistance is higher; Capacity is larger; Absorptivity is suitable for; Reliability is high; Temperature applicable range is wide.But the absorptivity of this energy disperser, about 70%, can not meet the requirement of modern locomotive vehicle to energy disperser high-energy absorption rate.
Summary of the invention
The object of the invention is the S. E. A. in order to improve macromolecular elastomer energy disperser, a kind of advantage with existing macromolecular elastomer energy disperser being provided, and there is the energy disperser of high-energy absorption rate, overcoming the deficiencies in the prior art.
Technical scheme of the present invention is as follows: high polymer elastic element and metal friction elements combination energy disperser, comprise the energy-absorbing body of one group of high polymer elastic element and one group of metal spacer composition, high polymer elastic element is the top and bottom of hollow is the cylinder of cambered surface, geometric configuration is similar to tire, and its center place is provided with elastic element centre hole, metal spacer is thin rounded flakes, and its central place is provided with metal spacer centre hole, it is characterized in that: described high polymer elastic element and metal friction elements combination energy disperser also comprise housing, wedge installs cylinder, wedge, briquetting, axle, nut and threaded connection locking part, described housing is the concentric cylindrical chamber that enclosure interior has lower chamber and upper chamber two and is communicated with, back cover bottom lower chamber, and bottom center is provided with a cylinder ladder hole matched with mandrel dimensions, upper chamber open top, one end of described axle is with the shaft shoulder, and the shaft shoulder matches with the centered cylinder ladder hole of housing bottom, plays axial location effect, the other end of axle is with outside thread, and outside thread and nut screw connection also form thread connection by anti-release member, described wedge is installed place of cylindrical center and is provided with cylindrical central bore, and cylindrical outer surface has the webge slot of radial symmetry, described wedge is the voussoir that the webge slot installing cylindrical outer surface with wedge matches, wedge elevation profile is at right angles trapezoidal, the inclined-plane of wedge and two sides are faces that the webge slot installing cylindrical outer surface with wedge matches, wedge is arranged on wedge and installs in the webge slot of cylinder, and the face that the square edge of wedge right-angled trapezium is formed is the face of cylinder contacted with housing upper chamber side wall surface, described briquetting is hollow cylinder, back cover bottom briquetting body, and place of bottom centre has briquetting through hole, briquetting upper opening, one end of the described axle band shaft shoulder is placed in the centered cylinder ladder hole of housing bottom, the other end is placed in case top through housing, metal spacer, high polymer elastic element, metal spacer, wedge installs cylinder and briquetting is arranged in axle by respective centre hole successively, by nut and threaded connection locking part by metal spacer, high polymer elastic element, metal spacer, wedge is installed cylinder and is fixedly connected with housing with briquetting, wherein metal spacer centre hole, cylindrical central bore and be free-running fit between briquetting through hole and axle, elastic element centre hole axis overlaps with its axis, gap is had between elastic element centre hole and axle, wedge installation cylinder and briquetting are positioned at the upper chamber of housing.
High polymer elastic element of the present invention and metal friction elements combination energy disperser, is characterized in that: described metal spacer is more than two panels, and described high polymer elastic element is more than one.
High polymer elastic element of the present invention and metal friction elements combination energy disperser, is characterized in that: the webge slot that described wedge installs cylindrical outer surface is more than 2.
High polymer elastic element of the present invention and metal friction elements combination energy disperser, is characterized in that: the groove bottom that described wedge installs cylindrical outer surface webge slot is angular plane surface, and groove two sides are upright planes.
High polymer elastic element of the present invention and metal friction elements combination energy disperser, is characterized in that: the angle of the key groove of described webge slot and wedge and angular plane surface and horizontal surface is 10 ° ~ 89 °.
High polymer elastic element of the present invention and metal friction elements combination energy disperser, is characterized in that: to be cylindrical, square column type, upper chamber housing be described housing profile that cylindrical lower portion chamber housing is square column type, upper chamber housing be square column type lower chamber housing is cylindrical or upper chamber housing and lower chamber housing are square column type.
High polymer elastic element of the present invention and metal friction elements combination energy disperser, is characterized in that: described high polymer elastic element is rubber or engineering plastics.
Principle of work is: when impact load acts on hollow cylinder briquetting vertically, hollow cylinder briquetting promotes wedge, wedge promotes wedge and installs cylinder, wedge is installed cylinder and is promoted metal spacer and high polymer elastic component element, and last axial load acts on the bottom of housing by metal spacer.In the process, wedge is by while the effect of hollow cylinder briquetting, also be subject to the reaction force acts that wedge installs cylinder webge slot inclined-plane, at the axial force from hollow cylinder briquetting with under installing the combined action of counter-force on cylinder inclined-plane with wedge, wedge produces at inwall that is radial and housing epicoele and extrudes, this squeezing action will produce and rub and consumed energy in the motion process of wedge, thus improves the S. E. A. of energy disperser; Meanwhile, will there is axial crushing deformation and apparatus with shock absorbing in high polymer elastic component element, and the radial friction between metal spacer and high polymer elastic element also will consume a part of impact energy.When axial impact loading disappear after, high polymer elastic element recover distortion and promote wedge install cylinder, wedge and hollow cylinder briquetting move from bottom to top, final all elements return to the state before the load that is hit.
The invention has the beneficial effects as follows:
1, owing to adding wedge and wedge installation cylinder, and wedge, wedge install the assembly relation between cylinder and other elements, when making briquetting bear axial load, just can produce between voussoir and housing epicoele wall and rub, just can consume part impact energy, therefore, energy disperser of the present invention has higher S. E. A. than existing elastomeric bumpers.
2, energy disperser of the present invention, all encloses all main elements in housing, makes the working environment of elastomer element and metal spacer be better than the working environment of existing elastomeric bumpers elastomer element and metal spacer;
3, energy disperser of the present invention is under the prerequisite improving absorptivity of buffer, and still maintain structure simple, number of parts is few, low cost of manufacture, and operation and maintenance is simple to operate, the feature that reliability is high.
4, energy disperser of the present invention is except can be used on rolling stock coupler draft gear, also may be used in the other industry vibration dampings such as mining machinery, metallurgical machinery, petroleum machinery and shock attenuation device.
Accompanying drawing explanation
Fig. 1 is high polymer elastic element and metal friction elements combination energy disperser assembly relation schematic diagram;
Fig. 2 is that the wedge of four webge slots installs column structure schematic front view;
Fig. 3 is the birds-eye view of Fig. 2;
Fig. 4 is wedge structure schematic front view;
Fig. 5 is the birds-eye view of Fig. 4;
Fig. 6 is that the wedge of two webge slots installs column structure schematic front view;
In figure, 1, housing, 2, metal spacer, 3, high polymer elastic element, 4, wedge installs cylinder, 5, wedge, 6, briquetting, 7, axle, 8, nut, 9, threaded connection locking part.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
High polymer elastic element and metal friction elements combination energy disperser comprise housing 1, one group of high polymer elastic element 3, one group of metal spacer 2, wedge installs cylinder 4, wedge block 5, briquetting 6, axle 7, nut 8 and threaded connection locking part 9, housing 1 is the concentric cylindrical chamber that enclosure interior has lower chamber and upper chamber two and is communicated with, back cover bottom lower chamber, and bottom center is provided with a cylinder ladder hole matched with mandrel dimensions, upper chamber open top, one end of axle 7 is with the shaft shoulder, and the shaft shoulder matches with the centered cylinder ladder hole of housing bottom, plays axial location effect, the other end of axle is with outside thread, and outside thread and nut screw connection also form thread connection by anti-release member, high polymer elastic element 3 is the top and bottom of hollow is the cylinder of cambered surface, and geometric configuration is similar to tire, and its center place is provided with elastic element centre hole, metal spacer 2 is thin rounded flakes, and its central place is provided with metal spacer centre hole, wedge is installed cylinder 4 center and is provided with cylindrical central bore, and cylindrical outer surface has the webge slot of radial symmetry, wedge block 5 is voussoirs that the webge slot installing cylinder 4 outside face with wedge matches, wedge block 5 is arranged on wedge and installs in the webge slot of cylinder 4 outside face, wedge side and housing upper chamber Cylindrical Surfaces Contact, the angle of the key groove of webge slot and wedge and angular plane surface and horizontal surface is 10 ° ~ 89 °, briquetting 6 is hollow cylinder, back cover bottom briquetting 6, and place of bottom centre has briquetting through hole, hollow cylinder briquetting 6 upper opening, axle 7 one end with the shaft shoulder is placed in the centered cylinder ladder hole of housing bottom, the other end is placed in housing 1 top through housing 1, metal spacer 2, high polymer elastic element 3, metal spacer 2, wedge installs cylinder 4 and briquetting 6 is arranged in axle 7 by respective centre hole successively, by nut 8 and threaded connection locking part 9 by metal spacer 2, high polymer elastic element 3, metal spacer 2, wedge is installed cylinder 4 and is fixedly connected with housing 1 with briquetting 6, wherein metal spacer centre hole, cylindrical central bore and be free-running fit between briquetting through hole and axle 7, elastic element centre hole axis and axle 7 dead in line, gap is had between elastic element centre hole and axle 7, wedge installation cylinder 4 and briquetting 6 are positioned at the upper chamber of housing.
Fitting process is: first, by the cylinder stepped hole of screwed for axle 7 one end through housing 1 bottom centre, the other end of axle 7 is matched with the cylinder stepped hole of housing 1 bottom centre; Then, first metal spacer 2 is loaded axle 7, then first high polymer elastic element 3 is loaded axle 7, successively metal spacer 2 and high polymer elastic element 3 are alternately loaded axle 7, all metal spacers and high polymer elastic element 3 enclose in housing 1; Then, wedge is installed cylinder 4 and loads axle 7, be positioned on last a slice metal spacer 2, then, by wedge 5 load wedge and install between cylinder 4 and housing 1, then hollow cylinder briquetting 6 is loaded axle 7, is positioned on wedge 5; Finally, nut 8 is screwed into the thread end of axle 7, pushes down hollow cylinder briquetting 6, then by anti-release member 9, the thread end of axle 7 and nut 8 are connected.
Embodiment 1
Housing is cylindrical housings, and lower housing portion chamber internal diameter is greater than upper chamber internal diameter 10mm.High polymer elastic element 3 is seven, and metal spacer 2 is eight, and the webge slot that wedge installs cylinder 4 outside face is four, wedge is four, the angle of the key groove of webge slot and wedge and angular plane surface and horizontal surface is 50 °, and the groove bottom of webge slot is angular plane surface, and groove two sides are upright planes.
Embodiment 2
Housing is square column type housing, and lower housing portion chamber internal diameter is greater than upper chamber internal diameter 10mm.High polymer elastic element 3 is seven, and metal spacer 2 is eight, and the webge slot that wedge installs cylinder 4 outside face is two, wedge is two, the angle of the key groove of webge slot and wedge and angular plane surface and horizontal surface is 45 °, and the groove bottom of webge slot is angular plane surface, and groove two sides are upright planes.
Claims (7)
1. high polymer elastic element and metal friction elements combination energy disperser, comprise the energy-absorbing body that one group of high polymer elastic element (3) and one group of metal spacer (2) form, the top and bottom that high polymer elastic element (3) is hollow are the cylinder of cambered surface, geometric configuration is similar to tire, and its center place is provided with elastic element centre hole, metal spacer (2) is thin rounded flakes, and its central place is provided with metal spacer centre hole, it is characterized in that: described high polymer elastic element and metal friction elements combination energy disperser also comprise housing (1), wedge installs cylinder (4), wedge (5), briquetting (6), axle (7), nut (8) and threaded connection locking part (9), described housing (1) is the concentric cylindrical chamber that enclosure interior has lower chamber and upper chamber two and is communicated with, back cover bottom lower chamber, and bottom center is provided with circular shape through hole, upper chamber open top, one end of described axle (7) is with the shaft shoulder, the shaft shoulder matches with the central circular ladder hole of housing bottom, play axial location effect, the other end of axle is with outside thread, and outside thread and nut (8) are joined merga pass threaded connection locking part (9) and formed thread connection, described wedge is installed cylinder (4) center and is provided with cylindrical central bore, and cylindrical outer surface has the webge slot of radial symmetry, described wedge (5) is the voussoir that the webge slot installing cylinder (4) outside face with wedge matches, wedge (5) elevation profile is at right angles trapezoidal, the inclined-plane of wedge (5) and two sides are faces that the webge slot installing cylinder (4) outside face with wedge matches, wedge (5) is arranged on wedge and installs in the webge slot of cylinder (4), and the face that the square edge of wedge (5) right-angled trapezium is formed is the face of cylinder contacted with housing upper chamber side wall surface, described briquetting (6) is hollow cylinder, briquetting (6) bottom back cover, and place of bottom centre has briquetting through hole, briquetting (6) upper opening, one end of described axle (7) the band shaft shoulder is placed in the central circular ladder hole of housing bottom, the other end is placed in housing (1) top through housing (1), metal spacer (2), high polymer elastic element (3), metal spacer (2), wedge installs cylinder (4) and briquetting (6) is arranged in axle (7) by respective centre hole successively, by nut (8) and threaded connection locking part (9) by metal spacer (2), high polymer elastic element (3), metal spacer (2), wedge is installed cylinder (4) and is fixedly connected with housing (1) with briquetting (6), wherein metal spacer centre hole, cylindrical central bore and be free-running fit between briquetting through hole and axle (7), elastic element centre hole axis and axle (7) dead in line, gap is had between elastic element centre hole and axle (7), wedge installation cylinder (4) and briquetting (6) are positioned at the upper chamber of housing.
2. high polymer elastic element and metal friction elements combination energy disperser as claimed in claim 1, is characterized in that: described metal spacer (2) is for more than two panels, and described high polymer elastic element (3) is more than one.
3. high polymer elastic element and metal friction elements combination energy disperser as claimed in claim 2, is characterized in that: the webge slot that described wedge installs cylinder (4) outside face is more than 2.
4. high polymer elastic element and metal friction elements combination energy disperser as claimed in claim 3, is characterized in that: the groove bottom that described wedge installs cylinder (4) outside face webge slot is angular plane surface, and groove two sides are upright planes.
5. high polymer elastic element and metal friction elements combination energy disperser as claimed in claim 4, is characterized in that: the angle of the key groove of described webge slot and wedge and angular plane surface and horizontal surface is 10 ° ~ 89 °.
6. high polymer elastic element and metal friction elements combination energy disperser as claimed in claim 1, is characterized in that: to be cylindrical, square column type, upper chamber housing be described housing (1) profile that cylindrical lower portion chamber housing is square column type, upper chamber housing be square column type lower chamber housing is cylindrical or upper chamber housing and lower chamber housing are square column type.
7. high polymer elastic element and metal friction elements combination energy disperser as claimed in claim 1, is characterized in that: described high polymer elastic 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 true CN105346554A (en) | 2016-02-24 |
| CN105346554B CN105346554B (en) | 2017-12-22 |
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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) |
Cited By (1)
| 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 |
Citations (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 |
| CN85101367A (en) * | 1985-04-01 | 1987-01-31 | 迈因纳企业公司 | Shock absorber |
| 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 |
| CN103273943A (en) * | 2013-05-21 | 2013-09-04 | 大连交通大学 | Torque-changeable buffer power absorber |
| CN103373368A (en) * | 2012-04-27 | 2013-10-30 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer and wagon |
| CN103496382A (en) * | 2013-10-25 | 2014-01-08 | 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
Patent Citations (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 |
| CN85101367A (en) * | 1985-04-01 | 1987-01-31 | 迈因纳企业公司 | Shock absorber |
| 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 |
| CN103373368A (en) * | 2012-04-27 | 2013-10-30 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer and wagon |
| CN103273943A (en) * | 2013-05-21 | 2013-09-04 | 大连交通大学 | Torque-changeable buffer power absorber |
| CN103496382A (en) * | 2013-10-25 | 2014-01-08 | 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 |
Cited By (1)
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105346554B (en) | 2017-12-22 |
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Granted publication date: 20171222 Termination date: 20211103 |