CN103407326B - Rail vehicle elastic wheel - Google Patents
Rail vehicle elastic wheel Download PDFInfo
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- CN103407326B CN103407326B CN201310401676.7A CN201310401676A CN103407326B CN 103407326 B CN103407326 B CN 103407326B CN 201310401676 A CN201310401676 A CN 201310401676A CN 103407326 B CN103407326 B CN 103407326B
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- ring
- annular slot
- securing ring
- wheel
- securing
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Abstract
The present invention discloses a kind of rail vehicle elastic wheel being convenient to dismantle, install. This rail vehicle elastic wheel comprises rim, grounded transmitting wire, in described rim, core wheel is set, separated by elastic damping material ring between described rim and core wheel, described core wheel comprises heart ring and unfaithful intention ring, in the outer conical surface of described heart ring, circumferentially direction is provided with annular slot, it is provided with securing ring in described annular slot, described annular slot is positioned at the outside of unfaithful intention ring and the outer lower portion of the inside upper part of securing ring and unfaithful intention ring is close to, described securing ring is made up of multiple securing ring fragment, and two adjacent securing ring fragments are connected by demountable structure. When installing or removing securing ring, it is not necessary to securing ring can be taken out in annular slot or is arranged in annular slot by the opening force applying ring, the dismounting of whole elasticity wheel and install fast very convenient, is adapted at train part field and applies.
Description
Technical field
The present invention relates to train part field, it is specifically related to a kind of rail vehicle elastic wheel.
Background technology
According to estimates, the train operation noise of more than 70% impacts relevant to the random contact of wheel-track, mainly comprise the irregular impact that causes of wheel-rail contact shape looks, wheel-rail contact-sliding, track geometry irregular (track switch, rail joint) change and wheel-rail friction slippage etc. with the irregular motion transient state that transient state motion changes, braking causes caused of circuit, it relates to the factors such as surging force, attack time, vibration intensity, sound delivery context. Elasticity wheel, as a kind of vibration and noise reducing wheel, is the sci-tech product that world's field of track traffic receives much attention.
Existing rail vehicle elastic wheel, mainly contains bolt-tightened type, the fixing type of securing ring and elasticity web-type three class. Securing ring stationary track vehicle elasticity wheel relatively early by the exploitation of Bonatrans company of Czech [see: RadinZMA etc. reduce the rubber elastic wheels of city underground noise. Yang Chengmei is translated from the external rolling stock technique of IRJ2003No3p29-31., 2003,: 37-38], (11) form primarily of rim, heart ring, unfaithful intention ring, elastic damping material ring, rounded section securing ring, grounded transmitting wire and noise reduction ring.
In addition, China Changzhou Nan Che iron-clad horses Scientific and Technical Industry Co., Ltd has applied for securing ring stationary track vehicle elasticity wheel patent of invention for 2011, the patent No. is CN102303479A, and described securing ring stationary track vehicle elasticity wheel is formed primarily of rim, core wheel assembly, damping element, semi-circular cross-section card groove and rounded section snap ring.
The securing ring that existing rail vehicle elastic wheel uses is closed securing ring, this kind of closed securing ring is when installing or removing, all need the minimum inner peripheral surface diameter of securing ring to open up into heart ring outer end circumference that diameter is identical securing ring could be put into card groove or taken out, and the minimum inner peripheral surface diameter of securing ring is opened up into identical with heart ring outer end circumference diameter, at least need the ring of about 10t to tension force, cause the installation and removal of whole elasticity wheel very inconvenient.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of rail vehicle elastic wheel being convenient to dismantle, install.
The present invention solves the problems of the technologies described above the technical scheme adopted: this rail vehicle elastic wheel, comprise rim, grounded transmitting wire, in described rim, core wheel is set, separated by elastic damping material ring between described rim and core wheel, grounded transmitting wire one end is connected with rim, the other end is connected with core wheel, described core wheel comprises heart ring and unfaithful intention ring, in the outer conical surface of described heart ring, circumferentially direction is provided with annular slot, it is provided with securing ring in described annular slot, described annular slot is positioned at the outside of unfaithful intention ring and the outer lower portion of the inside upper part of securing ring and unfaithful intention ring is close to, described securing ring is made up of multiple securing ring fragment, two adjacent securing ring fragments are connected by demountable structure.
Further, described demountable structure comprises U shape latch, is provided with the jack suitable with U shape latch in the termination of securing ring fragment.
Further is, the cross-sectional shape of described annular slot is semicircle, the lower section shape of described securing ring is semicircle and mates mutually with the cross-sectional shape of annular slot, the inside upper part surface of described securing ring is circular arc face or inclined-plane, the outer lower portion surface laminating of described circular arc face or inclined-plane and unfaithful intention ring.
Further is, the cross-sectional shape of described annular slot is rectangle, described securing ring lower section shape is rectangle and mates mutually with the cross-sectional shape of annular slot, the inside upper part surface of described securing ring is circular arc face or inclined-plane, the outer lower portion surface laminating of described circular arc face or inclined-plane and unfaithful intention ring.
Further, described elastic damping material ring is domain structure.
Further, the front web face of described heart ring is fixed with dust retaining ring.
The useful effect of the present invention: by being set to securing ring be made up of multiple securing ring fragment, two adjacent securing ring fragments are connected by demountable structure, when installing or removing securing ring, do not need the opening force applying ring can be taken out in annular slot by securing ring or be arranged in annular slot, only by demountable structure, securing ring need to be splitted into multiple securing ring fragment when dismantling, then securing ring fragment is taken out in annular slot, first securing ring fragment is put into annular slot during installation, then it is connected by demountable structure, the dismounting of whole elasticity wheel and install fast very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of rail vehicle elastic wheel of the present invention;
Fig. 2 is another structural representation of rail vehicle elastic wheel of the present invention;
Fig. 3 is securing ring structural representation of the present invention;
Fig. 4 is another structural representation of securing ring of the present invention;
Description of reference numerals: rim 1, grounded transmitting wire 2, core wheel 3, heart ring 31, unfaithful intention ring 32, elastic damping material ring 4, annular slot 5, securing ring 6, securing ring fragment 61, U shape latch 62, dust retaining ring 7.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
Such as Fig. 1, 2, 3, shown in 4, this rail vehicle elastic wheel, comprise rim 1, grounded transmitting wire 2, in described rim 1, core wheel 3 is set, separated by elastic damping material ring 4 between described rim 1 and core wheel 3, grounded transmitting wire 2 one end is connected with rim 1, the other end is connected with core wheel 3, described core wheel 3 comprises heart ring 31 and unfaithful intention ring 32, in the outer conical surface of described heart ring 31, circumferentially direction is provided with annular slot 5, it is provided with securing ring 6 in described annular slot 5, described annular slot 5 is positioned at the outside of unfaithful intention ring 32 and the outer lower portion of the inside upper part of securing ring 6 and unfaithful intention ring 32 is close to, described securing ring 6 is made up of multiple securing ring fragment 61, two adjacent securing ring fragments 61 are connected by demountable structure. the working process of this rail vehicle elastic wheel is as follows: during installation, elastic damping material ring 4 is positioned over and the matched position of rim 1, namely the outer circumference surface of elastic damping material ring 4 and the pairing of rim 1 inner peripheral surface are affixed, then the position that heart ring 31 is positioned over elastic damping material ring 4 mates, namely the outer conical surface of heart ring 31 is mated with the inner peripheral surface of elastic damping material ring 4 and is affixed, and makes side in rim 1, heart ring 31 be close to the dismantling devices rear deflector door being in same plane, then, unfaithful intention ring 32 being positioned over and elastic damping material ring 4 matched position, namely the internal conical surface of unfaithful intention ring 32 mates with the outer circumference surface of elastic damping material ring 4 and is affixed, and then dismantling devices pushes unfaithful intention ring 32 vertically under the acting in conjunction of rear shelves plate, elastic damping material ring 4 is squeezed distortion, until exposing annular slot 5, and then securing ring 6 is put into the annular slot 5 on heart ring 31 and it is close to cell wall, after again, unclamp dismantling devices and push the thrust pressure of unfaithful intention ring 32 vertically, then unfaithful intention ring 32 is close to securing ring 6 under the swollen power of elastic damping material ring 4, finally, install and connect the grounded transmitting wire 2 of rim 1 with heart ring 31, install, during work, wheel-rail contact force is close to extruding elastic damping material ring 4 by rim 1 inner peripheral surface, recessed " V " font periphery that heart ring 31 and unfaithful intention ring 32 form also correspondence be close to extruding elastic damping material ring 4, never directly touch between rim 1 with heart ring 31 and unfaithful intention ring 32, whole wheel track contact impact load and energy are all intactly transmitted by elastic damping material ring 4, it is possible to fully ensureing and play effect of vibration and noise reduction, Just because of this, elasticity wheel must have grounded transmitting wire 2, during dismounting, order is contrary with installation, first pulls down and connects the grounded transmitting wire 2 of rim 1 with core wheel 3, dismantling devices pushes unfaithful intention ring 32 vertically, and elastic damping material ring 4 is squeezed distortion, until unfaithful intention ring 32 and securing ring 6 disengage, then securing ring 6 is taken out from annular slot 5, unclamp dismantling devices, unfaithful intention ring 32, heart ring 31 and elastic damping material ring 4 can be taken off successively, complete dismounting. by being set to securing ring 6 be made up of multiple securing ring fragment 61, two adjacent securing ring fragments 61 are connected by demountable structure, when installing or removing securing ring 6, do not need the opening force applying ring can be taken out in annular slot 5 by securing ring 6 or be arranged in annular slot 5, only by demountable structure, securing ring 6 need to be splitted into multiple securing ring fragment 61 when dismantling, then securing ring fragment 61 is taken out in annular slot 5, first securing ring fragment 61 is put into annular slot 5 during installation, then it is connected by demountable structure, the dismounting of whole elasticity wheel and install fast very convenient.
In the above-described embodiment, described demountable structure can adopt bolt, card the mode such as to buckle and realize, as preferably: described demountable structure comprises U shape latch 62, it is provided with in the termination of securing ring fragment 61 and the suitable jack of U shape latch 62, as shown in Figure 3, Figure 4. When carrying out the connection of securing ring fragment 61, the jack that the insertion of U shape latch 62 only need to be arranged on securing ring fragment 61 termination can complete to connect, and when dismantling, extracts U shape latch 62, and whole dismounting, installation process are convenient and swift.
In order to effectively reduce the stress that locking contact is transmitted, extending structure work-ing life, the cross-sectional shape of described annular slot 5 is semicircle, the lower section shape of described securing ring 6 is that semicircle and with annular slot 5 cross-sectional shape mates mutually, the inside upper part surface of described securing ring 6 is circular arc face or inclined-plane, the outer lower portion surface laminating of described circular arc face or inclined-plane and unfaithful intention ring 32, as shown in Figure 1. another one is preferably: the cross-sectional shape of described annular slot 5 is rectangle, described securing ring 6 lower section shape is rectangle and cross-sectional shape with annular slot 5 mates mutually, the inside upper part surface of described securing ring 6 is circular arc face or inclined-plane, the outer lower portion surface laminating of described circular arc face or inclined-plane and unfaithful intention ring 32, as shown in Figure 2, annular slot 5 and the securing ring 6 of this kind of cross-sectional shape, securing ring 6 and unfaithful intention ring 32 can be made, the contact area of annular slot 5 is maximum, thus reduce the stress of the transmission of unit surface, extend securing ring 6, the work-ing life of annular slot 5.
Described elastic damping material ring 4 can adopt that various mechanical and physical performance meets the elasticity sound-absorbing of service demand, vibration-absorbing material is made, in order to ensure that elastic damping material ring 4 is correctly installed, position is determined convenient and swift, described elastic damping material ring 4 is domain structure, it is possible to avoid the block formula correct position co-ordination of elastic damping material ring to install difficulty and may cause the problem of the inharmonious work of ring in uncertain working load effect.
In the operational process of elasticity wheel, in order to avoid dust to enter elasticity inside wheel, simultaneously also in order to make whole wheel profile attractive in appearance, the front web face of described heart ring 31 is fixed with the dust retaining ring 7 of wheel.
In addition, the rough part of all structures of described elasticity wheel all adopts camber line transition, there is not stress concentration effect and working stress can significantly reduce, and lightweight construction, the life-span is long.
Claims (6)
1. rail vehicle elastic wheel, comprise rim (1), grounded transmitting wire (2), core wheel (3) is set in described rim (1), separated by elastic damping material ring (4) between described rim (1) and core wheel (3), grounded transmitting wire (2) one end is connected with rim (1), the other end is connected with core wheel (3), described core wheel (3) comprises heart ring (31) and unfaithful intention ring (32), in the outer conical surface of described heart ring (31), circumferentially direction is provided with annular slot (5), securing ring (6) it is provided with in described annular slot (5), described annular slot (5) is positioned at the outside of unfaithful intention ring (32) and the outer lower portion of the inside upper part of securing ring (6) and unfaithful intention ring (32) is close to, it is characterized in that: described securing ring (6) is made up of multiple securing ring fragment (61), two adjacent securing ring fragments (61) are connected by demountable structure.
2. rail vehicle elastic wheel as claimed in claim 1, it is characterised in that: described demountable structure comprises U shape latch (62), and the termination of securing ring fragment (61) is provided with the jack suitable with U shape latch (62).
3. rail vehicle elastic wheel as claimed in claim 1, it is characterized in that: the cross-sectional shape of described annular slot (5) is for semicircle, the lower section shape of described securing ring (6) is that semicircle and with annular slot (5) cross-sectional shape mates mutually, the inside upper part surface of described securing ring (6) is circular arc face or inclined-plane, the outer lower portion surface laminating of described circular arc face or inclined-plane and unfaithful intention ring (32).
4. rail vehicle elastic wheel as claimed in claim 1, it is characterized in that: the cross-sectional shape of described annular slot (5) is rectangle, described securing ring (6) lower section shape is rectangle and cross-sectional shape with annular slot (5) mates mutually, the inside upper part surface of described securing ring (6) is circular arc face or inclined-plane, the outer lower portion surface laminating of described circular arc face or inclined-plane and unfaithful intention ring (32).
5. rail vehicle elastic wheel as claimed in claim 1, it is characterised in that: described elastic damping material ring (4) is domain structure.
6. according to rail vehicle elastic wheel described in any one claim in claim 1 to 5, it is characterised in that: the front web face of described heart ring (31) is fixed with dust retaining ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401676.7A CN103407326B (en) | 2013-09-06 | 2013-09-06 | Rail vehicle elastic wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401676.7A CN103407326B (en) | 2013-09-06 | 2013-09-06 | Rail vehicle elastic wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103407326A CN103407326A (en) | 2013-11-27 |
| CN103407326B true CN103407326B (en) | 2016-06-01 |
Family
ID=49600390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310401676.7A Expired - Fee Related CN103407326B (en) | 2013-09-06 | 2013-09-06 | Rail vehicle elastic wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103407326B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3120068A1 (en) * | 1981-05-20 | 1982-12-09 | Klöckner-Werke AG, 4100 Duisburg | Noise-damped rail wheel |
| CN201646241U (en) * | 2010-05-07 | 2010-11-24 | 南车株洲电力机车有限公司 | Wheel with damping ring |
| CN102303479A (en) * | 2011-08-24 | 2012-01-04 | 常州南车铁马科技实业有限公司 | Elastic wheel for rail transit |
| CN203472407U (en) * | 2013-09-06 | 2014-03-12 | 西南交通大学 | Railway vehicle elastic wheel |
-
2013
- 2013-09-06 CN CN201310401676.7A patent/CN103407326B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3120068A1 (en) * | 1981-05-20 | 1982-12-09 | Klöckner-Werke AG, 4100 Duisburg | Noise-damped rail wheel |
| CN201646241U (en) * | 2010-05-07 | 2010-11-24 | 南车株洲电力机车有限公司 | Wheel with damping ring |
| CN102303479A (en) * | 2011-08-24 | 2012-01-04 | 常州南车铁马科技实业有限公司 | Elastic wheel for rail transit |
| CN203472407U (en) * | 2013-09-06 | 2014-03-12 | 西南交通大学 | Railway vehicle elastic wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103407326A (en) | 2013-11-27 |
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Granted publication date: 20160601 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |