CN203472407U - Railway vehicle elastic wheel - Google Patents
Railway vehicle elastic wheel Download PDFInfo
- Publication number
- CN203472407U CN203472407U CN201320552418.4U CN201320552418U CN203472407U CN 203472407 U CN203472407 U CN 203472407U CN 201320552418 U CN201320552418 U CN 201320552418U CN 203472407 U CN203472407 U CN 203472407U
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- ring
- wheel
- binding ring
- annular slot
- elastic wheel
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Abstract
The utility model discloses a railway vehicle elastic wheel which is convenient to detach and install. The railway vehicle elastic wheel comprises a strake and a grounding wire, wherein a wheel center is arranged in the strake, the strake is isolated from the wheel center through an elastic damping material ring, the wheel center comprises an inner center ring and an outer center ring, an annular clamping groove is formed in the outer circular cone face of the inner center ring in the circumferential direction, a locking ring is arranged in the annular clamping groove, the annular clamping groove is located outside the outer center ring, the upper portion of the inner side of the locking ring is tightly attached to the lower portion of the outer side of the outer center ring, the locking ring is composed of a plurality of annular locking ring segments, and every two adjacent annular locking ring segments are connected through a detachable structure. When the locking ring is detached or installed, the locking ring can be taken out of or installed in the annular clamping groove without exerting expanding force of the ring, the whole elastic wheel can be quite conveniently and rapidly detached and installed, and the railway vehicle elastic wheel is suitable for popularization and application in the train part field.
Description
Technical field
The utility model relates to Train Parts field, is specifically related to a kind of guideway vehicle elastic wheel.
Background technology
According to estimates, more than 70% train operation noise is relevant to the random contact impact of wheel-track, mainly comprise that the irregular impact causing of wheel-rail contact pattern, wheel-rail contact-sliding, track geometry irregular (track switch, rail joint) and the motion transient state that the irregular transient motion causing of circuit changes, braking causes change with wheel-rail friction slippage etc., relate to the factors such as impulsive force, attack time, vibration intensity, sound delivery context.Elastic wheel, the sci-tech product receiving much attention as a kind of vibration and noise reducing wheel ，Shi world field of track traffic.
Existing guideway vehicle elastic wheel, mainly contains bolt-tightened type, binding ring fixed and elasticity disc type three classes.The exploitation of binding ring stationary track vehicle elastic wheel compare Zao You Czech Bonatrans company [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, (11): 37-38], mainly by rim, inner ring, outer thimble, elastic damping material ring, round section binding ring, earth lead and noise reduction ring, formed.
In addition, China CSR Changzhou Tech-Mark Industrial Co., Ltd. has applied for binding ring stationary track vehicle elastic wheel patent of invention for 2011, the patent No. is CN102303479A, and described binding ring stationary track vehicle elastic wheel mainly consists of rim, core wheel assembly, damping element, semi-circular cross-section draw-in groove and round section snap ring.
The binding ring that existing guideway vehicle elastic wheel is used is the binding ring of sealing, the binding ring of this sealing is when installation or removal, all need the minimum inner peripheral surface diameter of binding ring to open up into and identically with the circumferential diameter in inner ring outer end binding ring could be put into draw-in groove or by its taking-up, and to the minimum inner peripheral surface diameter of binding ring be opened up into identical with the circumferential diameter in inner ring outer end, at least need the hoop tension force of about 10t, cause the installation and removal of whole elastic wheel very inconvenient.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of guideway vehicle elastic wheel of being convenient to dismounting, installing.
The utility model solves the problems of the technologies described above adopted technical scheme: this guideway vehicle elastic wheel, comprise rim, earth lead, in described rim, core wheel is set, between described rim and core wheel, by elastic damping material ring, separate, earth lead one end is connected with rim, the other end is connected with core wheel, described core wheel comprises inner ring and outer thimble, in the outer conical surface of described inner ring, along circumferential direction, be provided with annular slot, in described annular slot, be provided with binding ring, described annular slot is positioned at the outer lower portion of the outside of outer thimble and the inside upper part of binding ring and outer thimble and is close to, described binding ring consists of a plurality of binding ring fragments, two adjacent binding ring fragments are connected by demountable structure.
Further, described demountable structure comprises U-shaped latch, in the termination of binding ring fragment, is provided with the jack suitable with U-shaped latch.
Be further, the cross sectional shape of described annular slot is semicircle, the lower section of described binding ring is shaped as semicircle and matches with the cross sectional shape of annular slot, the inside upper part surface of described binding ring is arc surface or inclined-plane, the outer lower portion surface laminating of described arc surface or inclined-plane and outer thimble.
Be further, the cross sectional shape of described annular slot is rectangle, described binding ring lower section is shaped as rectangle and matches with the cross sectional shape of annular slot, the inside upper part surface of described binding ring is arc surface or inclined-plane, the outer lower portion surface laminating of described arc surface or inclined-plane and outer thimble.
Further, described elastic damping material ring is domain structure.
Further, the front web face of described inner ring is fixed with dust retaining ring.
The beneficial effects of the utility model: be set to be formed by a plurality of binding ring fragments by binding ring, two adjacent binding ring fragments are connected by demountable structure, when installation or removal binding ring, do not need the power of opening that applies ring binding ring can be taken out or is arranged in annular slot in annular slot, when dismounting, only need binding ring be splitted into a plurality of binding ring fragments by demountable structure, then binding ring fragment is taken out in annular slot, during installation, first binding ring fragment is put into annular slot, then by demountable structure, be connected, the dismounting of whole elastic wheel and install very convenient quick.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model guideway vehicle elastic wheel;
Fig. 2 is another structural representation of the utility model guideway vehicle elastic wheel;
Fig. 3 is binding ring structural representation described in the utility model;
Fig. 4 is another structural representation of binding ring described in the utility model;
Description of reference numerals: rim 1, earth lead 2, core wheel 3, inner ring 31, outer thimble 32, elastic damping material ring 4, annular slot 5, binding ring 6, binding ring fragment 61, U-shaped latch 62, dust retaining ring 7.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is further described.
As Fig. 1, 2, 3, shown in 4, this guideway vehicle elastic wheel, comprise rim 1, earth lead 2, the interior core wheel 3 that arranges of described rim 1, between described rim 1 and core wheel 3, by elastic damping material ring 4, separate, earth lead 2 one end are connected with rim 1, the other end is connected with core wheel 3, described core wheel 3 comprises inner ring 31 and outer thimble 32, in the outer conical surface of described inner ring 31, along circumferential direction, be provided with annular slot 5, in described annular slot 5, be provided with binding ring 6, described annular slot 5 is positioned at the outer lower portion of the outside of outer thimble 32 and the inside upper part of binding ring 6 and outer thimble 32 and is close to, described binding ring 6 consists of a plurality of binding ring fragments 61, two adjacent binding ring fragments 61 are connected by demountable structure.The working process of this guideway vehicle elastic wheel is as follows: during installation, elastic damping material ring 4 is positioned over to the matched position with rim 1, the outer circumference surface and the rim 1 inner peripheral surface pairing that are elastic damping material ring 4 are affixed, then inner ring 31 is positioned over to the position of mating with elastic damping material ring 4, be that the outer conical surface of inner ring 31 and the inner peripheral surface of elastic damping material ring 4 mate and be affixed, and rim 1, inner ring 31 medial surfaces are close in conplane dismantling devices back shield; Then, outer thimble 32 is positioned over and elastic damping material ring 4 matched positions, the internal conical surface of outer thimble 32 mates and is affixed with the outer circumference surface of elastic damping material ring 4; And then dismantling devices thimble 32 outside pushing vertically under the combined action of rear plate washer, makes elastic damping material ring 4 distortion that is squeezed, until expose annular slot 5; And then binding ring 6 put into the annular slot 5 on inner ring 31 and be close to cell wall; Again, unclamp dismantling devices and vertically pushing outer thimble 32 thrust pressure, outer thimble 32 is close to binding ring 6 under the expansive force of elastic damping material ring 4; Finally, the earth lead 2 that connects rim 1 and inner ring 31 is installed, is installed; During work, wheel-rail contact force is close to extruding elastic damping material ring 4 by rim 1 inner peripheral surface; Recessed " V " font outer peripheral face that inner ring 31 and outer thimble 32 form also correspondence is close to extruding elastic damping material ring 4; Between rim 1 and inner ring 31 and outer thimble 32, never directly touch; Whole Wheel Rail Contact impact load and energy all intactly transmit by elastic damping material ring 4, can fully ensure performance effect of vibration and noise reduction, and Just because of this, elastic wheel must have earth lead 2; During dismounting, order is contrary with installation, first pulls down the earth lead 2 that connects rim 1 and core wheel 3; Dismantling devices pushes outer thimble 32 vertically, makes elastic damping material ring 4 distortion that is squeezed, until outer thimble 32 disengages with binding ring 6; Then binding ring 6 is taken out from annular slot 5; Unclamp dismantling devices, can take off successively outer thimble 32, inner ring 31 and elastic damping material ring 4, complete dismounting.By being set to, binding ring 6 formed by a plurality of binding ring fragments 61, two adjacent binding ring fragments 61 are connected by demountable structure, when installation or removal binding ring 6, do not need to apply the power of opening of ring can be by binding ring 6 from the interior taking-up of annular slot 5 or be arranged in annular slot 5, when dismounting, only need binding ring 6 be splitted into a plurality of binding ring fragments 61 by demountable structure, then by binding ring fragment 61 from the interior taking-up of annular slot 5, during installation, first binding ring fragment 61 is put into annular slot 5, then by demountable structure, be connected, the dismounting of whole elastic wheel and install very convenient quick.
In the above-described embodiment, described demountable structure can adopt the modes such as bolt, buckle to realize, as preferred mode, be: described demountable structure comprises U-shaped latch 62, in the termination of binding ring fragment 61, be provided with the jack suitable with U-shaped latch 62, as shown in Figure 3, Figure 4.When carrying out the connection of binding ring fragment 61, only U-shaped latch 62 need be inserted to the jack that be arranged on binding ring fragment 61 terminations and can complete connection, when dismounting, extract U-shaped latch 62, whole dismounting, installation process are convenient and swift.
The stress transmitting in order effectively to reduce locking contact, extending structure service life, the cross sectional shape of described annular slot 5 is semicircle, the lower section of described binding ring 6 is shaped as semicircle and matches with the cross sectional shape of annular slot 5, the inside upper part surface of described binding ring 6 is arc surface or inclined-plane, the outer lower portion surface laminating of described arc surface or inclined-plane and outer thimble 32, as shown in Figure 1.The preferred mode of another one is: the cross sectional shape of described annular slot 5 is rectangle, described binding ring 6 lower section are shaped as rectangle and match with the cross sectional shape of annular slot 5, the inside upper part surface of described binding ring 6 is arc surface or inclined-plane, the outer lower portion surface laminating of described arc surface or inclined-plane and outer thimble 32, as shown in Figure 2, annular slot 5 and the binding ring 6 of this cross sectional shape, can make binding ring 6 and outer thimble 32, the area of contact of annular slot 5 is maximum, thereby reduce the stress of the transmission of unit area, extend binding ring 6, the service life of annular slot 5.
Elasticity sound-absorbing, absorbing material that described elastic damping material ring 4 can adopt various mechanical and physical performances to meet service demand are made, in order to guarantee elastic damping material ring 4, correctly install, location positioning is convenient and swift, described elastic damping material ring 4 is domain structure, can avoid piece formula elastic damping material ring tram to coordinate the problem of difficulty being installed and may causing the inharmonious work of ring in uncertain working load effect.
In the operational process of elastic wheel, for fear of dust, enter elastic wheel inside, simultaneously also in order to make whole wheel profile attractive in appearance, the front web face of described inner ring 31 is fixed with the dust retaining ring 7 of wheel.
In addition, the rough part of all structures of described elastic wheel all adopts arc transition, does not have stress concentration effect and significantly reduction of application stress, lightweight construction, and the life-span is long.
Claims (6)
1. guideway vehicle elastic wheel, comprise rim (1), earth lead (2), core wheel (3) is set in described rim (1), between described rim (1) and core wheel (3), by elastic damping material ring (4), separate, earth lead (2) one end is connected with rim (1), the other end is connected with core wheel (3), described core wheel (3) comprises inner ring (31) and outer thimble (32), in the outer conical surface of described inner ring (31), along circumferential direction, be provided with annular slot (5), in described annular slot (5), be provided with binding ring (6), described annular slot (5) is positioned at the outer lower portion of the outside of outer thimble (32) and the inside upper part of binding ring (6) and outer thimble (32) and is close to, it is characterized in that: described binding ring (6) consists of a plurality of binding ring fragments (61), adjacent two binding ring fragments (61) are connected by demountable structure.
2. guideway vehicle elastic wheel as claimed in claim 1, is characterized in that: described demountable structure comprises U-shaped latch (62), in the termination of binding ring fragment (61), is provided with the jack suitable with U-shaped latch (62).
3. guideway 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 of described binding ring (6) is shaped as semicircle and matches with the cross sectional shape of annular slot (5), the inside upper part surface of described binding ring (6) is arc surface or inclined-plane, the outer lower portion surface laminating of described arc surface or inclined-plane and outer thimble (32).
4. guideway 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 binding ring (6) lower section is shaped as rectangle and matches with the cross sectional shape of annular slot (5), the inside upper part surface of described binding ring (6) is arc surface or inclined-plane, the outer lower portion surface laminating of described arc surface or inclined-plane and outer thimble (32).
5. guideway vehicle elastic wheel as claimed in claim 1, is characterized in that: described elastic damping material ring (4) is domain structure.
6. according to the guideway vehicle elastic wheel described in any one claim in claim 1 to 5, it is characterized in that: the front web face of described inner ring (31) is fixed with dust retaining ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552418.4U CN203472407U (en) | 2013-09-06 | 2013-09-06 | Railway vehicle elastic wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552418.4U CN203472407U (en) | 2013-09-06 | 2013-09-06 | Railway vehicle elastic wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203472407U true CN203472407U (en) | 2014-03-12 |
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ID=50220804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320552418.4U Expired - Lifetime CN203472407U (en) | 2013-09-06 | 2013-09-06 | Railway vehicle elastic wheel |
Country Status (1)
| Country | Link |
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| CN (1) | CN203472407U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407326A (en) * | 2013-09-06 | 2013-11-27 | 西南交通大学 | Rail vehicle elastic wheel |
| CN105034686A (en) * | 2015-05-13 | 2015-11-11 | 西安工业大学 | W-shaped rubber ring elastic wheel |
| CN106004225A (en) * | 2016-06-24 | 2016-10-12 | 西安工业大学 | Damping and noise-reducing wheel for rail transportation |
-
2013
- 2013-09-06 CN CN201320552418.4U patent/CN203472407U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407326A (en) * | 2013-09-06 | 2013-11-27 | 西南交通大学 | Rail vehicle elastic wheel |
| CN103407326B (en) * | 2013-09-06 | 2016-06-01 | 西南交通大学 | Rail vehicle elastic wheel |
| CN105034686A (en) * | 2015-05-13 | 2015-11-11 | 西安工业大学 | W-shaped rubber ring elastic wheel |
| CN106004225A (en) * | 2016-06-24 | 2016-10-12 | 西安工业大学 | Damping and noise-reducing wheel for rail transportation |
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