CN201231644Y - Shear-compression combined type elastic wheel - Google Patents
Shear-compression combined type elastic wheel Download PDFInfo
- Publication number
- CN201231644Y CN201231644Y CNU2008200136209U CN200820013620U CN201231644Y CN 201231644 Y CN201231644 Y CN 201231644Y CN U2008200136209 U CNU2008200136209 U CN U2008200136209U CN 200820013620 U CN200820013620 U CN 200820013620U CN 201231644 Y CN201231644 Y CN 201231644Y
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- ring
- rubber ring
- compression
- rubber
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Abstract
Disclosed is a shear-compression compound elastic wheel which is characterized in that based on the combination of oil pressure conicity and pre-compression between the wheel center and a press ring, a left rubber ring and a right rubber ring are fixed among the wheel center, the press ring and a wheel rib; the left rubber ring and the right rubber ring are rubber rings with inner-concave sections on both ends; a bolt connecting piece, a nut connecting piece and a gasket connecting piece are arranged between the wheel center and the press ring. Compared with the prior art, the shear-compression compound elastic wheel has the advantages that the rubber rings which have the elastic damping effect are mounted through the combination of oil pressure conicity and pre-compression; the rubber rings adopt the rubber rings with inner-concave sections on both ends; the inner-concave sections on both ends on each rubber ring is maintained after pre-compression; the rubber rings ensure various horizontal force, bending stress and shearing force from the wheel rib to be well absorbed and transferred during the running process of the vehicle; not only the impact, vibration and noise between the wheel tracks are reduced, but also the disassembly inspection, replacement and maintenance are convenient; the operation of the wheel is safe and reliable; various problems found in the rigid wheels adopted in rail transit vehicles and the current elastic wheels are effectively solved.
Description
[technical field] the utility model relates to a kind of rail traffic vehicles and presses the compound type elastic wheel with cutting.Belong to the rail traffic vehicles technical field.
[background technology] is present, be widely used in the rigid wheel in railway, city rail and the underground railway track vehicular traffic, the be in operation noise and the vibration that produce is very serious, makes a very bad impression for ecology environment and comfort of passenger, and elastic wheel can overcome the problems referred to above effectively.
The traditional elastic wheel is divided into compression-type, shearing-type, cuts and press three kinds of compound types.From the elastic wheel structural analysis: the compression-type elastic wheel, the radial elastic deficiency, and axial elasticity is excessive; Though and the shearing-type elastic wheel radially, axial elasticity is approaching, when moving on curve, rubber element is tension pressurized on one side on one side, tensile stress will cause rubber element to destroy rapidly; Cutting of development pressed the compound type elastic wheel on this basis, and it uses the V-type rubber element, will produce compression and shear deformation under loading simultaneously.And by V-type rubber element different angle, can make axially and radial rigidity obtains optimum matching, pressure and shearing obtain an equitable breakdown.But the rubber element of this structure wheel is an integral structure component, very inconvenience of disassembling, assembling and replacing maintenance.
In prior art, utility model patent " pressure is cut the compound type elastic wheel " (patent No. is 200420024444.0) for example, this patented technology adopts left vibration-damped component and right vibration-damped component to replace integrally-built V-type rubber element, remove and realized disassembling, assembling and replacing purpose easy to maintenance, also be convenient to adjust the inclination angle in two vibration-damped components, make axially and radial rigidity obtains optimum matching, in this patented technology, also solved a left side, the problem of displacement is installed and prevented to right two vibration-damped components, but it is by the fastening means of screw bolt and nut combination, though solved the fastening problem of this structure, but in this structure, since bolt be connected metal employing close fit, make tie bolt become weakest link in the elastic wheel, though use the tie bolt of special substance, again through special processing, strengthened, still can cause tie bolt loosening because of transverse force and the flexure stress that acts on wheel hub, lost efficacy, the fracture and come off, because the existence of this accident potential, thereby cause the elastic wheel of this structure not promoted the use of well.
[summary of the invention] the purpose of this utility model is: be rail traffic vehicles, particularly urban rail transit vehicles provides a kind of and is suitable for practicality, can reduce impact, vibration and noise between wheel track, have the repair and replacement of opening and inspecting convenience and application safety failure-free new construction again and cut pressure compound type elastic wheel, effectively solve rail traffic vehicles and adopt rigid wheel and the present existing variety of issue of elastic wheel.
This structure of pressing the compound type elastic wheel of cutting of the present utility model, it is made up of core wheel, rim, left and right sides rubber ring, pressure ring, bolt, nuts and washers.The left and right sides rubber ring that plays the elastic damping effect in the wheel is to place in the V-type space between core wheel, pressure ring and the rim by precompressed compression, contract fixedly by oil pressure taper fitting precompressed between core wheel and pressure ring left and right sides rubber ring is provided with bolt, nut and packing ring attaching parts between described core wheel and the pressure ring between core wheel, pressure ring and rim.Described left and right sides rubber ring is the rubber ring in inner concave shape cross section, two ends, and still keeps two ends inner concave shape cross sectional shape behind the precompressed compression.Described left and right sides rubber ring is a uniform thickness ring-shaped rubber ring.
Cut in the structure of pressing the compound type elastic wheel of the present utility model, to the rubber ring that plays the elastic damping effect in the wheel is to place between core wheel, pressure ring and the rim by precompressed compression, be provided with the V-type space of particular reserved between the core wheel of elastic wheel, pressure ring and the rim, selecting of the size in V-type space, particularly v-angle, all different and satisfy axially and radial rigidity obtains optimum matching according to difference, the rubber ring dimensional thickness of the rail traffic vehicles of adapted, pressure and shearing obtain an equitable breakdown and selected.In fitting process, rubber ring is loaded on therebetween by precompressed compression, and guarantees its pre compressed magnitude and distance between backs of wheel tire.Pass through fixedly rubber ring of oil pressure taper fitting between core wheel and pressure ring, owing to adopt the oil pressure taper fitting between core wheel and pressure ring, closely cooperating like this between core wheel and pressure ring can better be born the transverse force and the flexure stress that act on rim, bears shearing force; Simultaneously; between core wheel and pressure ring, fix with one group of bolt, nut, packing ring; but this group bolt, nut, packing ring only play safety guard-safeguard; and the not transmission of holding capacity; have in the technology thereby overcome oneself, various transverse forces from rim, flexure stress and shearing force are born by the attaching parts of tie bolt and nut composition; the accident potential that causes tie bolt to become flexible, lost efficacy, rupture and come off takes place often, guarantees that elastic wheel can safe and reliable operation.
In the utility model, it is the rubber turn in inner concave shape cross section that left and right sides rubber ring adopts two ends, and still keeps two ends inner concave shape cross sectional shape behind the precompressed compression.The design in inner concave shape cross section is to reserve certain space, and when the rubber ring precompressed compression, it is laterally extruded still the certain deformation space; Its matrix size is selected simultaneously, can calculate according to the characteristic parameter of selected rubber, make rubber ring behind precompressed compression, can also keep two ends to have the inner concave shape cross sectional shape, in service to adapt to rubber ring at rail traffic vehicles, along with power changes, can flexibly absorb various impacts, vibration and various transverse force, flexure stress and shearing force from rim, keep vehicle operating steady, reduce the wheel track noise, to create a pleasant ecological environment and the riving condition of safety and comfort.It is the rubber turn in inner concave shape cross section that left and right sides rubber ring adopts two ends, places respectively between core wheel, pressure ring and the rim of elastic wheel in the V-type space, thereby realizes that the rubber ring installing/dismounting of elastic wheel and repair and replacement are convenient.
Compared with prior art, the utility model is cut and is pressed the advantage of compound type elastic wheel to be: in the rail traffic vehicles elastic wheel, play the installation of the rubber ring of elastic damping effect, particularly between core wheel and pressure ring by the oil pressure taper fitting fixedly rubber ring and rubber ring to adopt two ends be the rubber turn in inner concave shape cross section, and still keep two ends inner concave shape cross sectional shape behind the precompressed compression, they guarantee in the vehicle operating, various transverse forces from rim, flexure stress and shearing force can both absorb and transmit well, be suitable for practicality, can reduce the impact between wheel track, vibration and noise, it is reliable to have the repair and replacement of opening and inspecting convenience and application safety again, effectively solve rail traffic vehicles and adopt rigid wheel and the present existing variety of issue of elastic wheel, can be at rail traffic vehicles, particularly promoted the use in the urban rail transit vehicles, had positive effect improving the ecological environment and improving comfort of passenger.
[description of drawings]
Fig. 1 is that the utility model is cut the structural representation of pressing the compound type elastic wheel.
Fig. 2 is the utility model rubber ring schematic cross-section.
The utility model is described in further detail for [specific embodiment] existing 1 Fig. 2 in conjunction with the accompanying drawings: the left and right sides rubber ring 3,4 that plays the elastic damping effect in elastic wheel places between core wheel 1, pressure ring 5 and the rim 2 by precompressed compression, designed specific reservation V-type space between them, left and right sides rubber ring 3,4 can place therebetween; Pass through fixedly rubber ring 3,4 of oil pressure taper fitting at core wheel 1 and 5 of pressure rings, be provided with bolt 6, nut 7 and packing ring 8 attaching partss between core wheel 1 and the pressure ring 5.Left and right sides rubber ring 3,4 is the uniform thickness ring-shaped rubber ring in inner concave shape cross section, two ends.
Claims (3)
1. cut pressure compound type elastic wheel for one kind, it is characterized in that: contract fixedly by oil pressure taper fitting precompressed between core wheel (1) and pressure ring (5) left and right sides rubber ring (3), (4) are provided with bolt (6), nut (7) and packing ring (8) attaching parts between described core wheel (1) and the pressure ring (5) between core wheel (1), pressure ring (5) and rim (2).
2. according to claim 1 cutting pressed the compound type elastic wheel, and it is characterized in that: described left and right sides rubber ring (3), (4) are the rubber ring in inner concave shape cross section, two ends, and still keep two ends inner concave shape cross sectional shape behind the precompressed compression.
3. according to claim 2 cutting pressed the compound type elastic wheel, it is characterized in that: described left and right sides rubber ring (3), (4) are uniform thickness ring-shaped rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200136209U CN201231644Y (en) | 2008-06-20 | 2008-06-20 | Shear-compression combined type elastic wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200136209U CN201231644Y (en) | 2008-06-20 | 2008-06-20 | Shear-compression combined type elastic wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201231644Y true CN201231644Y (en) | 2009-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200136209U Expired - Fee Related CN201231644Y (en) | 2008-06-20 | 2008-06-20 | Shear-compression combined type elastic wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201231644Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104769297A (en) * | 2012-11-05 | 2015-07-08 | Ntn株式会社 | Double-row rolling bearing |
| CN110329001A (en) * | 2019-08-08 | 2019-10-15 | 安徽万航轨道交通装备有限公司 | A kind of power truck |
| CN110962501A (en) * | 2018-09-29 | 2020-04-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic wheel for railway vehicle, elastic wheel assembly and railway vehicle |
-
2008
- 2008-06-20 CN CNU2008200136209U patent/CN201231644Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104769297A (en) * | 2012-11-05 | 2015-07-08 | Ntn株式会社 | Double-row rolling bearing |
| CN104769297B (en) * | 2012-11-05 | 2017-07-11 | Ntn株式会社 | Double-row bearing |
| CN110962501A (en) * | 2018-09-29 | 2020-04-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic wheel for railway vehicle, elastic wheel assembly and railway vehicle |
| CN110329001A (en) * | 2019-08-08 | 2019-10-15 | 安徽万航轨道交通装备有限公司 | A kind of power truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20170620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |