CN202641240U - Compound type elastic wheel for rail transit vehicle - Google Patents
Compound type elastic wheel for rail transit vehicle Download PDFInfo
- Publication number
- CN202641240U CN202641240U CN 201220260431 CN201220260431U CN202641240U CN 202641240 U CN202641240 U CN 202641240U CN 201220260431 CN201220260431 CN 201220260431 CN 201220260431 U CN201220260431 U CN 201220260431U CN 202641240 U CN202641240 U CN 202641240U
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- pressure ring
- wheel
- elastic element
- hole
- core wheel
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Abstract
The utility model relates to a compound type elastic wheel for a rail transit vehicle. The compound type elastic wheel comprises a tyre, a wheel hub, a compression ring and a V-shaped elastic element, wherein the elastic element is arranged among the tyre, the wheel hub and the compression ring; both ends of the elastic element are respectively connected with both ends of a tyre circular groove and shoulders on the compression ring and the wheel hub; the compression ring is mounted on the wheel hub in a press-fit manner; the inner hole wall of the compression ring is provided with an annular oil groove; the annular oil groove is communicated with oil filler holes on the end face of the compression ring; and sealing rings are arranged on both sides of the annular oil groove on the inner wall of the compression ring. The compound type elastic wheel has the characteristics of being reasonable in structure and convenient in assembly, disassembly and maintenance, and improving the safety performance.
Description
Technical field
The utility model relates to a kind of rail traffic vehicles composite elastic wheel, belongs to light rail vehicle elastic wheel technical field.
Background technology
Along with the development such as urban track traffic subway, light rail are rapid, the more and more application of rail traffic vehicles held the elastic wheel of cutting the pressure type rubber element, and its rubber pad is installed between core wheel and the rim, and becomes a fixed inclination with the vertical plane of hanging down of wheel, under the vertical load effect, not only be subjected to shear but also by compression.In application, if installation gradient and the thickness of appropriate change rubber pad, with regard to its radial and axial cushion characteristic of capable of regulating.Owing to adopt elastic wheel can obviously reduce part weight under the vehicle spring, reduce application force between the wheel track, relax and impact, improve the stationarity of vehicle operating, improve the utilization condition of wheel and axletree.
Its pressure ring of present composite elastic wheel and core wheel are adopted the fastener that a plurality of screw bolt and nut consist of, pressure ring and core wheel are connected and fixed, because the pressure that the wheel assembling needs is larger, the installing/dismounting process is comparatively complicated, so when elastic wheel is safeguarded, handling efficiency is not high, and is very high to intensity and the fatigue property requirement of fastener simultaneously yet.Secondly, pinch roller and core wheel adopt the connection mode of bolts and nuts, can be accidents caused when bolt fracture, and therefore also there is certain potential safety hazard in this connection structure.Moreover, adopt the connection structure of bolts and nuts, when the design flexibility wheel, need to leave special screw bolt and nut connecting portion, take certain installing space, and increased and add operation, so the small-wheel-diameter elastic wheel is brought a lot of difficulties.
Summary of the invention
The purpose of this utility model provides a kind of rational in infrastructure, can improve safety performance, easy installation and removal, the rail traffic vehicles composite elastic wheel of being convenient to safeguard.
The utility model is that the technical scheme that achieves the above object is: a kind of rail traffic vehicles composite elastic wheel, comprise rim, core wheel, pressure ring and V-shaped elastic element, elastic element is arranged between rim and core wheel and the pressure ring, and the two ends of elastic element join with the both ends of the surface of rim annular groove and the convex shoulder on the pressure ring and wheel convex shoulder in the heart respectively, it is characterized in that: described pressure ring is press-fitted and is installed in wheel in the heart, the inner hole wall of pressure ring is provided with annular oil groove, annular oil groove communicates with oil hole on being arranged on the pressure ring end face, and the annular oil groove both sides that core wheel is positioned at the pressure ring inwall are equipped with seal ring.
The utility model is press-fitted pressure ring and is installed in wheel in the heart, make pressure ring and core wheel after being press-fitted can produce certain fastening force, can improve the safety factor of elastic wheel by this fastening force, can prevent to a certain extent the accident that causes because of bolt fracture, safe and reliable, rational in infrastructure.The utility model need not to reserve the screw bolt and nut connection space, for the structure design of elastic wheel provides larger space, can realize the elastic wheel design and installation of small-wheel-diameter.The utility model is provided with annular oil groove at the inner hole wall of pressure ring, dismounting can pass into high pressure oil oil hole during pressure ring and enter in the annular oil groove, expand by the face that is fitted to each other of fluid to pressure ring and core wheel, pressure ring is enlarged, and dismantle pressure ring by the elastic force of elastic element, the assembly and disassembly of elastic wheel are easy to operate, can increase substantially the work efficiency of installing and keeping in repair.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is the structural representation that the utility model rail traffic vehicles is used composite elastic wheel.
Fig. 2 is the A-A sectional structure scheme drawing of Fig. 1.
Fig. 3 is the structural representation of the utility model pressure ring.
Fig. 4 is the B-B sectional structure scheme drawing of Fig. 3.
Fig. 5 is the C-C sectional structure scheme drawing 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-connection fastener, 7-seal ring, 8-elastic element.
The specific embodiment
See shown in Fig. 1-5, the utility model rail traffic vehicles composite elastic wheel, comprise rim 1, core wheel 3, pressure ring 2 and V-shaped elastic element 8, elastic element 8 is arranged between rim 1 and core wheel 3 and rim 1 and the pressure ring 2, and the two ends of elastic element 8 join with the both ends of the surface of rim 1 annular groove 11 and the convex shoulder 23 on the pressure ring 2 and the convex shoulder 31 on the core wheel 3 respectively, can prevent wheel derailment when elastic element 8 lost efficacy, to improve elastic wheel driving safety performance.Elastic element 8 of the present utility model is combined by 4～40 V-arrangement rubber blocks, this elastic element 8 is made by elastomeric material, or the elastomeric material that elastic element 8 is provided with metallic framework in being is made, or the elastomeric material that is provided with the spring wire skeleton in the elastic element 8 is made, the quantity of elastic element 8 can be set according to wheel diameters, the shape volume of each elastic element 8 is identical, mutual tight structure distribution circlewise in succession, and both ends of the surface and the convex shoulder 23 on the pressure ring 2 and convex shoulder 31 axial limitings on the core wheel 3 by rim 1 annular groove 11.
See shown in Fig. 1-5 that the utility model pressure ring 2 is press-fitted and is installed on the core wheel 3, pressure ring 2 is connected with core wheel 3 interference, installation is rear to have certain fastening force owing to pressure ring 2 and core wheel 3 are press-fitted, and can cancel or reduce connecting the requirement of fastener.See shown in Fig. 1,3,4 that the utility model pressure ring 2 endoporus are straight hole or taper hole, the straight hole of pressure ring 2 or taper hole are press-fitted on the joint face that is installed in core wheel 3.See shown in Fig. 1-5, the utility model is at be uniformly distributed along the circumference through hole 25 more than three of pressure ring 2, and core wheel 3 correspondences are provided with the tapped bore of equal number, connection fastener 6 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 installed on the core wheel 3, connect fastener 6 and distribute a plurality ofly along even circumferential, be connected with interference that pressure ring 2 is connected with core wheel when using simultaneously, can improve the safety in utilization of elastic wheel.
See shown in Fig. 1-5, the inner hole wall of the utility model pressure ring 2 is provided with annular oil groove 24, annular oil groove 24 communicates with oil hole 21 on being arranged on pressure ring 2 end faces, and annular oil groove 24 both sides that core wheel 3 is positioned at pressure ring 2 are equipped with seal ring 7, high pressure oil can be passed into oil hole 21 during pressure ring and enter in the annular oil groove 24 in dismounting, by fluid the be fitted to each other face of pressure ring 2 with core wheel 3 expanded, pressure ring 2 is enlarged, elastic force by elastic element 8 can be dismantled pressure ring 2, convenient during dismounting pressure ring 2, laborsaving, can prevent by the seal ring 7 of both sides that high pressure oil from leaking simultaneously.See shown in Fig. 1,3,4, the utility model pressure ring 2 be provided with more than two be used for installing liftout bolt eject screw 22, also liftout bolt can be screwed in ejecting on the screw 22 of pressure ring 2 and eject pressure ring 2.
See shown in Fig. 1-3, the utility model rim 1 is provided with the traversing thread hole that is used for conducting wire bolt 5 more than two along circumference, also be provided with the traversing thread hole 26 that is used for conducting wire bolt 5 more than two on the pressure ring 2, can wire 4 two ends be connected on pressure ring 2 and the rim 1 by wire bolt 5, make whole elastic wheel can be grounded backflow.
Claims (7)
1. rail traffic vehicles composite elastic wheel, comprise rim (1), core wheel (3), pressure ring (2) and V-shaped elastic element (8), elastic element (8) is arranged between rim (1) and core wheel (3) and the pressure ring (2), and the two ends of elastic element (8) join with the both ends of the surface of rim (1) annular groove (11) and the convex shoulder (23) on the pressure ring (2) and the convex shoulder (31) on the core wheel (3) respectively, it is characterized in that: described pressure ring (2) is press-fitted and is installed on the core wheel (3), the inner hole wall of pressure ring (2) is provided with annular oil groove (24), annular oil groove (24) communicates with oil hole (21) on being arranged on pressure ring (2) end face, and annular oil groove (24) both sides that core wheel (3) is positioned at pressure ring (2) inwall are equipped with seal ring (7).
2. rail traffic vehicles composite elastic wheel according to claim 1, it is characterized in that: described pressure ring (2) through hole (25) more than three that is uniformly distributed along the circumference, and core wheel (3) correspondence is provided with the tapped bore of equal number, and the connection fastener (6) more than three passes the through hole (25) of pressure ring (2) and is screwed on the tapped bore of core wheel (3).
3. rail traffic vehicles composite elastic wheel according to claim 1, it is characterized in that: described pressure ring (2) endoporus is straight hole or taper hole, and the straight hole of pressure ring (2) or taper hole are press-fitted on the joint face that is installed in core wheel (3).
4. rail traffic vehicles composite elastic wheel according to claim 1 is characterized in that: described pressure ring (2) be provided be used for installing liftout bolt more than two eject screw (22).
5. rail traffic vehicles composite elastic wheel according to claim 1, it is characterized in that: described rim (1) is provided with the traversing thread hole that is used for conducting wire bolt (5) more than two along circumference, also is provided with the traversing thread hole (26) that is used for conducting wire bolt (5) more than two on the pressure ring (2).
6. rail traffic vehicles composite elastic wheel according to claim 1, it is characterized in that: described elastic element (8) is combined by 4～40 V-arrangement rubber blocks.
7. according to claim 1 or 6 described rail traffic vehicles composite elastic wheels, it is characterized in that: described elastic element (8) is made by elastomeric material, or the elastomeric material that elastic element (8) is provided with metallic framework in being makes, or the elastomeric material that is provided with the spring wire skeleton in the elastic element (8) is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260431 CN202641240U (en) | 2012-06-04 | 2012-06-04 | Compound type elastic wheel for rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260431 CN202641240U (en) | 2012-06-04 | 2012-06-04 | Compound type elastic wheel for rail transit vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641240U true CN202641240U (en) | 2013-01-02 |
Family
ID=47410397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220260431 Expired - Lifetime CN202641240U (en) | 2012-06-04 | 2012-06-04 | Compound type elastic wheel for rail transit vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448462A (en) * | 2013-09-06 | 2013-12-18 | 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 |
| CN113547878A (en) * | 2021-09-18 | 2021-10-26 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic wheel for rail transit |
-
2012
- 2012-06-04 CN CN 201220260431 patent/CN202641240U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448462A (en) * | 2013-09-06 | 2013-12-18 | 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 |
| CN113547878A (en) * | 2021-09-18 | 2021-10-26 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic wheel for rail transit |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213000 Jiangsu Province, Changzhou New District Xue Zhen Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL CO., LTD. Address before: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Co-patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. Patentee before: CSR Changzhou Tech-Mark Industrial Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |