CN102673305B - Rail traffic vehicles pressure cuts composite elastic wheel - Google Patents
Rail traffic vehicles pressure cuts composite elastic wheel Download PDFInfo
- Publication number
- CN102673305B CN102673305B CN201210181422.4A CN201210181422A CN102673305B CN 102673305 B CN102673305 B CN 102673305B CN 201210181422 A CN201210181422 A CN 201210181422A CN 102673305 B CN102673305 B CN 102673305B
- Authority
- CN
- China
- Prior art keywords
- pressure ring
- core wheel
- wheel
- elastic element
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002131 composite material Substances 0.000 title claims abstract description 10
- 239000013536 elastomeric material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 4
- DOSMHBDKKKMIEF-UHFFFAOYSA-N 2-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]-5-[3-[3-[4-(1-methylindol-3-yl)-2,5-dioxopyrrol-3-yl]indol-1-yl]propylsulfamoyl]benzenesulfonate Chemical compound C1=CC(=[N+](CC)CC)C=C2OC3=CC(N(CC)CC)=CC=C3C(C=3C(=CC(=CC=3)S(=O)(=O)NCCCN3C4=CC=CC=C4C(C=4C(NC(=O)C=4C=4C5=CC=CC=C5N(C)C=4)=O)=C3)S([O-])(=O)=O)=C21 DOSMHBDKKKMIEF-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
- B60B17/0027—Resilient wheels, e.g. resilient hubs
- B60B17/0031—Resilient wheels, e.g. resilient hubs using springs
- B60B17/0034—Resilient wheels, e.g. resilient hubs using springs of rubber or other non-metallic material
- B60B17/0044—Resilient wheels, e.g. resilient hubs using springs of rubber or other non-metallic material single element arranged in V-form
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The present invention relates to a kind of rail traffic vehicles pressure and cut composite elastic wheel, comprise rim, core wheel, pressure ring and V-shaped elastic element, plural elastic element is arranged on rim and between core wheel and pressure ring, the two ends of elastic element connect with the convex shoulder in the both ends of the surface of rim annular groove and pressure ring and the convex shoulder of taking turns in the heart respectively, pressure ring is press-fitted and is arranged on wheel in the heart, pressure ring is uniformly distributed with the tapped bore of more than three along the circumference, core wheel correspondence is provided with the tapped bore of more than three, and the connection fastener of more than three is screwed on the tapped bore of pressure ring and the tapped bore of core wheel; Described pressure ring is provided with two or more for what install liftout bolt and ejects screw, and the inner hole wall of pressure ring is provided with annular oil groove, and annular oil groove communicates with the oil hole be arranged on pressure ring end face, and the annular oil groove both sides that core wheel is positioned at pressure ring inwall are provided with seal ring.The present invention has rational in infrastructure, can improve safety performance, easy installation and removal, is convenient to the feature safeguarded.
Description
Technical field
The present invention relates to a kind of rail traffic vehicles pressure and cut composite elastic wheel, belong to light rail vehicle elastic wheel technical field.
Background technology
Along with the development such as urban track traffic subway, light rail are rapid, rail traffic vehicles gets more and more to apply and holds the elastic wheel cutting pressure type rubber element, and its rubber pad is arranged between core wheel and rim, and becomes a fixed inclination with the vertical plane of hanging down of wheel, under vertical load effect, not only by shearing but also by compression.In the application, as long as the installation gradient of appropriate change rubber pad and thickness, with regard to its radial and axial cushion characteristic of adjustable.Owing to adopting elastic wheel obviously can reduce vehicle lower part of the spring weight, reduce the intermolecular forces of wheel track, relax and impact, improve the stationarity of vehicle operating, improve the utilization condition of wheel and axletree.
Current pressure is cut its pressure ring of composite elastic wheel and core wheel and is adopted the fastener that multiple screw bolt and nut forms, pressure ring and core wheel are connected and fixed, the pressure needed due to wheel assembling is larger, installing/dismounting process is comparatively complicated, therefore when safeguarding elastic wheel, handling efficiency is not high, simultaneously requires very high to the intensity of fastener and fatigue property yet.Secondly, pinch roller and core wheel adopt the connection mode of bolts and nuts, and when bolt fracture can be accidents caused, therefore this connection structure also exists certain potential safety hazard.Moreover, adopt the connection structure of bolts and nuts, need when design flexibility wheel to leave special screw bolt and nut connecting portion, take certain installing space, and add and add operation, therefore a lot of difficulty is brought to small-wheel-diameter elastic wheel.
Summary of the invention
The object of this invention is to provide a kind of rational in infrastructure, can improve safety performance, easy installation and removal, the rail traffic vehicles pressure being convenient to safeguard cuts composite elastic wheel.
The present invention is the technical scheme achieved the above object: a kind of rail traffic vehicles pressure cuts composite elastic wheel, comprise rim, core wheel, pressure ring and V-shaped elastic element, plural elastic element is arranged on rim and between core wheel and pressure ring, the two ends of elastic element connect with the convex shoulder in the both ends of the surface of rim annular groove and pressure ring and the convex shoulder of taking turns in the heart respectively, it is characterized in that: described pressure ring is press-fitted and is arranged on wheel in the heart, pressure ring is uniformly distributed with the through hole of more than three along the circumference, core wheel correspondence is provided with the tapped bore of more than three, the connection fastener of more than three is screwed on the tapped bore of core wheel through the through hole on pressure ring, the inner hole wall of described pressure ring is provided with annular oil groove, annular oil groove communicates with the oil hole be arranged on pressure ring end face, the annular oil groove both sides that core wheel is positioned at pressure ring inwall are provided with seal ring, and pressure ring is provided with two or more for what install liftout bolt ejects screw.
Pressure ring is press-fitted and is arranged on wheel in the heart by the present invention, make the pressure ring after being press-fitted and core wheel produce certain predetermincd tension, the safety factor of elastic wheel can be improved by this predetermincd tension, the accident caused because of bolt fracture can be prevented to a certain extent, safe and reliable, rational in infrastructure.Connection fastener is connected directly between pressure ring and takes turns in the heart by the present invention, can not only play connection function, and can also play a protective role by connecting fastener, can improve the safety in utilization of elastic wheel further.The present invention is due to without the need to reserved screw bolt and nut connection space, and the structure design for elastic wheel provides larger space, can realize the elastic wheel design and installation of small-wheel-diameter.The present invention is provided with annular oil groove on the inner hole wall of pressure ring, high pressure oil can be passed into oil hole and enter in annular oil groove during dismounting pressure ring, expanded by the face that is fitted to each other of fluid to pressure ring and core wheel, pressure ring is expanded, and dismantle pressure ring by the elastic force of elastic element, the present invention is provided with two or more for what install liftout bolt and ejects screw on pressure ring, liftout bolt can be screwed in eject screw and withstand on wheel and pressure ring can be ejected in the heart, the assembly and disassembly of elastic wheel are easy to operate, can increase substantially the work efficiency installed and keep in repair.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is the structural representation that rail traffic vehicles of the present invention pressure cuts composite elastic wheel.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 3 is the structural representation of pressure ring of the present invention.
Fig. 4 is the B-B sectional structure schematic diagram of Fig. 3.
Fig. 5 is the C-C sectional structure schematic diagram of Fig. 3.
Wherein: 1-rim, 11-annular groove, 2-pressure ring, 21-oil hole, 22-eject screw, 23-convex shoulder, 24-annular oil groove, 25-through hole, 26-traversing thread hole, 3-core wheel, 31-convex shoulder, 4-wire, 5-wire bolt, 6-connect fastener, 7-seal ring, 8-elastic element.
Detailed description of the invention
See shown in Fig. 1-5, rail traffic vehicles pressure of the present invention cuts composite elastic wheel, comprise rim 1, core wheel 3, pressure ring 2 and V-shaped elastic element 8, plural elastic element 8 is arranged on rim 1 and core wheel 3 and between rim 1 and pressure ring 2, and the two ends of elastic element 8 connect with the convex shoulder 23 in the both ends of the surface of rim 1 annular groove 11 and pressure ring 2 and the convex shoulder 31 on core wheel 3 respectively, the wheel derailment when elastic element 8 lost efficacy can be prevented, to improve wheels travel safety performance.Elastic element 8 of the present invention is combined by 2 ~ 40 V-arrangement rubber blocks, elastic element 8 is made up of elastomeric material, or elastic element 8 be in be provided with metallic framework elastomeric material make, or the elastomeric material being provided with spring wire skeleton in elastic element 8 is made, the quantity of elastic element 8 can set according to wheel diameters, the shaped volumes of each elastic element 8 is identical, mutual close succession structure distribution circlewise, and by the convex shoulder 23 in the both ends of the surface of rim 1 annular groove 11 and pressure ring 2 and convex shoulder 31 axial limiting on core wheel 3.
See shown in Fig. 1-5, pressure ring 2 of the present invention is press-fitted and is arranged on core wheel 3, pressure ring 2 is connected with core wheel 3 interference, facilitate the assembling of elastic wheel, afterwards there is certain predetermincd tension because pressure ring 2 and core wheel 3 are press-fitted to install, being improved the safety factor of elastic wheel by this predetermincd tension, the requirement to connecting fastener can being reduced simultaneously.See that, shown in Fig. 1,3,4, invention pressure ring 2 endoporus is straight hole or taper hole, the straight hole of pressure ring 2 or taper hole be press-fitted be arranged on core wheel 3 joint face on.See shown in Fig. 1-5; the present invention is uniformly distributed with the through hole 25 of more than three along the circumference at pressure ring 2; and core wheel 3 correspondence is provided with the tapped bore of more than three; the connection fastener 6 of more than three passes the through hole 25 of pressure ring 2 and is screwed on the tapped bore of core wheel 3; pressure ring 2 is arranged on core wheel 3; connection fastener 6 of the present invention is circumferentially uniformly distributed multiple; be press-fitted at pressure ring 2 on the basis being arranged on core wheel 3; connection fastener 6 is adopted to connect; can play a protective role, improve the safety in utilization of elastic wheel further.
See shown in Fig. 1-5, the inner hole wall of pressure ring 2 of the present invention is provided with annular oil groove 24, annular oil groove 24 communicates with the oil hole 21 be arranged on pressure ring 2 end face, and annular oil groove 24 both sides that core wheel 3 is positioned at pressure ring 2 are provided with seal ring 7, when dismantling pressure ring 2, high pressure oil can be passed into oil hole 21 and enter in annular oil groove 24, expanded by the face that is fitted to each other of fluid to pressure ring 2 and core wheel 3, pressure ring 2 is expanded, and pressure ring 2 can be dismantled by the elastic force of elastic element 8, the seal ring 7 of both sides can prevent high pressure oil from leaking simultaneously.See shown in Fig. 1-5, pressure ring 2 of the present invention is provided with two or more for what install liftout bolt and ejects screw 22, and liftout bolt can be screwed in ejecting on screw 22 and ejecting pressure ring 2 of pressure ring 2, dismounting pressure ring is convenient, laborsaving.
See shown in Fig. 1-3, rim 1 of the present invention is circumferentially provided with the traversing thread hole of two or more for conducting wire bolt 5, pressure ring 2 is also provided with the traversing thread hole 26 of two or more for conducting wire bolt 5, by wire bolt 5, wire 4 two ends are connected on pressure ring 2 and rim 1 respectively, make whole elastic wheel be grounded backflow.
Claims (1)
1. a rail traffic vehicles pressure cuts composite elastic wheel, comprise rim (1), core wheel (3), pressure ring (2) and V-shaped elastic element (8), plural elastic element (8) is arranged on rim (1) and between core wheel (3) and pressure ring (2), the two ends of elastic element (8) connect with the convex shoulder (23) in the both ends of the surface of rim (1) annular groove (11) and pressure ring (2) and the convex shoulder (31) on core wheel (3) respectively, it is characterized in that: described pressure ring (2) is press-fitted and is arranged on core wheel (3), pressure ring (2) is connected with core wheel (3) interference, described pressure ring (2) endoporus is straight hole or taper hole, and the straight hole of pressure ring (2) or taper hole be press-fitted be arranged on core wheel (3) joint face on, pressure ring (2) is uniformly distributed with the through hole (25) of more than three along the circumference, core wheel (3) correspondence is provided with the tapped bore of more than three, the connection fastener (6) of more than three is rotated on the tapped bore of core wheel (3) through the through hole (25) of pressure ring (2), the inner hole wall of described pressure ring (2) is provided with annular oil groove (24), annular oil groove (24) communicates with the oil hole (21) be arranged on pressure ring (2) end face, annular oil groove (24) both sides that core wheel (3) is positioned at pressure ring (2) inwall are provided with seal ring (7), and pressure ring (2) is provided with two or more for what install liftout bolt ejects screw (22), described rim (1) is circumferentially provided with the traversing thread hole of two or more for conducting wire bolt (5), pressure ring (2) is also provided with the traversing thread hole (26) of two or more for conducting wire bolt (5), described elastic element (8) is made up of elastomeric material, or elastic element (8) be in be provided with metallic framework elastomeric material make, or the elastomeric material being provided with spring wire skeleton in elastic element (8) is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210181422.4A CN102673305B (en) | 2012-06-04 | 2012-06-04 | Rail traffic vehicles pressure cuts composite elastic wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210181422.4A CN102673305B (en) | 2012-06-04 | 2012-06-04 | Rail traffic vehicles pressure cuts composite elastic wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102673305A CN102673305A (en) | 2012-09-19 |
| CN102673305B true CN102673305B (en) | 2015-08-12 |
Family
ID=46806112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210181422.4A Active CN102673305B (en) | 2012-06-04 | 2012-06-04 | Rail traffic vehicles pressure cuts composite elastic wheel |
Country Status (1)
| Country | Link |
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| CN (1) | CN102673305B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448462B (en) * | 2013-09-06 | 2015-06-03 | 西南交通大学 | Locking ring-fixed elastic wheel for railway vehicles |
| CN103448463A (en) * | 2013-09-06 | 2013-12-18 | 西南交通大学 | Locking ring-fixing elastic wheel for track vehicles |
| CN104527319B (en) * | 2014-12-15 | 2017-03-01 | 太原重工股份有限公司 | A kind of small rail car wheel fastening method |
| CN105034686A (en) * | 2015-05-13 | 2015-11-11 | 西安工业大学 | W-shaped rubber ring elastic wheel |
| CN105196784A (en) * | 2015-09-22 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Bullet train elastic wheel for low-floor bogie |
| CN105196785A (en) * | 2015-09-22 | 2015-12-30 | 南车南京浦镇车辆有限公司 | Trailer elastic wheel for low-floor bogie |
| CN105526836A (en) * | 2015-12-31 | 2016-04-27 | 安徽中电兴发与鑫龙科技股份有限公司 | Method for detecting vacuum circuit breaker pawl gauge |
| CN113547878B (en) * | 2021-09-18 | 2021-12-10 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic wheel for rail transit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1126819A (en) * | 1954-07-06 | 1956-12-03 | Gomma Antivibranti Applic | Improvements to elastic wheels |
| EP0893279B1 (en) * | 1997-07-22 | 2001-10-31 | Hutchinson | Elastic wheel, in particular for urban railway vehicle, and elastic part of said wheel functioning as damping device |
| CN101070043A (en) * | 2006-04-06 | 2007-11-14 | 哈特奇桑公司 | Resilient wheel, method of installing it and elastic linking device equipping said wheel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4635990A (en) * | 1982-07-07 | 1987-01-13 | Voroshilovgradsky Mashinostroitelny Institut | Resilient wheel of a railway car |
| DE4342906C2 (en) * | 1993-12-16 | 1995-10-26 | Ver Schmiedewerke Gmbh | Rubber body and rubber-sprung rail wheel |
| DE19536149A1 (en) * | 1995-09-28 | 1997-04-03 | Gutehoffnungshuette Radsatz | Current breaker for rubber sprung rail wheel |
| DE19633597C2 (en) * | 1996-08-21 | 1998-07-02 | Vsg Verkehrstechnik Gmbh | Current bridge on rubber-sprung rail wheels |
| CN2690189Y (en) * | 2004-01-19 | 2005-04-06 | 中国南车集团戚墅堰机车车辆工艺研究所 | Pressure shear composite elastic wheel |
-
2012
- 2012-06-04 CN CN201210181422.4A patent/CN102673305B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1126819A (en) * | 1954-07-06 | 1956-12-03 | Gomma Antivibranti Applic | Improvements to elastic wheels |
| EP0893279B1 (en) * | 1997-07-22 | 2001-10-31 | Hutchinson | Elastic wheel, in particular for urban railway vehicle, and elastic part of said wheel functioning as damping device |
| CN101070043A (en) * | 2006-04-06 | 2007-11-14 | 哈特奇桑公司 | Resilient wheel, method of installing it and elastic linking device equipping said wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102673305A (en) | 2012-09-19 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Patentee before: CSR CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address |