CN107264181A - A kind of flexible wheel - Google Patents

A kind of flexible wheel Download PDF

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Publication number
CN107264181A
CN107264181A CN201710590285.2A CN201710590285A CN107264181A CN 107264181 A CN107264181 A CN 107264181A CN 201710590285 A CN201710590285 A CN 201710590285A CN 107264181 A CN107264181 A CN 107264181A
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CN
China
Prior art keywords
wheel
plate
loading
flexible
rigidity
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Granted
Application number
CN201710590285.2A
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Chinese (zh)
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CN107264181B (en
Inventor
许业伟
韦勇坚
伍华东
潘经定
黄海明
张绍彬
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Guangzhou Welline Mstar Technology Ltd
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Guangzhou Welline Mstar Technology Ltd
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Priority to CN201710590285.2A priority Critical patent/CN107264181B/en
Publication of CN107264181A publication Critical patent/CN107264181A/en
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Publication of CN107264181B publication Critical patent/CN107264181B/en
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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
    • B60B17/02—Wheels characterised by rail-engaging elements with elastic tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2360/00—Materials; Physical forms thereof
    • B60B2360/10—Metallic materials
    • B60B2360/102—Steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2360/00—Materials; Physical forms thereof
    • B60B2360/50—Rubbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/30—Increase in
    • B60B2900/313—Resiliency

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a kind of flexible wheel, wheel bottom plate and wheel end plate are made up of Q235 materials, its chemical composition disclosure satisfy that requirement, and rubber uses natural rubber for main body, by calculating the independent test of rubber parts and the axial rigidity of solid wheel and shearing rigidity standard testing, it is ensured that it disclosure satisfy that application demand.The flexible wheel of the present invention, wheel bottom plate and wheel end plate are made up of Q235 materials, its chemical composition disclosure satisfy that requirement, and rubber uses natural rubber for main body, by calculating the independent test of rubber parts and the axial rigidity of solid wheel and shearing rigidity standard testing, it is ensured that it disclosure satisfy that application demand.

Description

A kind of flexible wheel
Technical field
The present invention relates to a kind of tramcar component, and in particular to a kind of flexible wheel, belongs to tramcar group Part technical field.
Background technology
With the continuous expansion continued to increase with city size of urban population, original public transport pattern can not expire The need for sufficient urban development, urban transportation is to development in pluralism, and novel environment friendly tramcar system is just pushed away by each big city Extensively use；The system uses Embedded Track desigh, can be achieved and ground automobile, the advantages of mixing up current of pedestrian；Vehicle The key factor of the generation of noise and the fatigue rupture of steel wheel-rail is the interaction force between wheel track during operation；Due to line Road irregularity excitation, vehicle increases with the active force between the increase wheel track of unsprung mass in the process of running, therefore should ensure In the case that vehicle stabilization is run, unsprung mass is reduced as far as possible；Elastic wheel is that a bullet is inlayed between rim and core wheel Property element, rim is assembled together with wheel elasticity, then significantly reduces unsprung mass；So as to reduce vehicle in the process of running The wheel track intermolecular forces of generation, take turns the vibration to upper non-elastic member and also decrease, abrasion is reduced, simultaneously because circuit is uneven Along the noise reduction produced by excitation；Due to these advantages, elastic wheel light rail low-floor tramcar, subway abroad , be widely applied on inter-city train；Existing elastic wheel easily weares and teares, and noise reduction effect is poor, in addition, without a set of complete Into production examination criteria.
The content of the invention
To solve the above problems, the present invention proposes a kind of flexible wheel, wheel bottom plate and wheel end plate by Q235 materials are made, and its chemical composition disclosure satisfy that requirement, and rubber uses natural rubber for main body, by independent to rubber parts The axial rigidity and shearing rigidity standard testing of test and solid wheel are calculated, it is ensured that it disclosure satisfy that application demand.
The flexible wheel of the present invention, including wheel bottom plate and wheel end plate；And it is installed on wheel bottom plate and wheel Rubber between end plate；The wheel bottom plate and wheel end plate are made by Q235 materials；The rubber is based on the natural rubber Body material is constituted；
Further, wheel bottom plate and wheel the end plate exposed metal is coated with grey antirust oil enamelled coating.
Further, the wheel bottom plate and road wheel end board shaft are to being provided with arcuate relief face.
Further, its requirement of the rubber is as follows：63 ± 3 ° of Sha of hardness, tensile strength >=15Mpa, elongation at break ≥300%。
Further, its axial rigidity of the wheel is as follows：
To be unloaded after the axially loaded 2.5mm of 1mm/min loading velocity, so preload 2 times, pause 3 ~ 5min, carries out the 3rd time Loading, while load F during the 3rd loading 0.1mm of record1And load F during 2.5mm2；During the axially loaded 0.1 ~ 2.5mm of wheel Rigidity value KAFor 10.5 ± 20%kN/mm；Calculation formula is：KA=（F2-F1）/（2.5-0.1）.
Further, its shearing rigidity of the wheel is as follows：
Unload, so preload 2 times after loading 0~6.875kN shearing force with 1mm/min loading velocity transverse direction, pause 3 ~ 5min, carries out the 3rd loading, while the 3rd loading 0.4kN of record amount of deflection S1And amount of deflection S during 6.875kN2；Wheel is horizontal Shearing rigidity value K when loading 0.4~6.875kNSFor 1.125 ± 30%kN/mm；Calculation formula is：KS=（（6.875-0.4）/ （S2-S1））/2.
Further, its test fixture of its axial rigidity of the wheel includes the upper plate and lower plate of axial holding-wheel；Institute Upper plate is stated with being provided with force component at wheel center axle.
Further, its test fixture of its shearing rigidity of the wheel includes the two end plates of axial holding-wheel；Described two It is bolted between end plate；Lower carrier plate is installed between the two end plates bottom；Just to being provided with the top of the lower carrier plate Dividing plate；The dividing plate is connected to force component.
The present invention compared with prior art, flexible wheel of the invention, wheel bottom plate and wheel end plate by Q235 materials are made, and its chemical composition disclosure satisfy that requirement, and rubber uses natural rubber for main body, by independent to rubber parts The axial rigidity and shearing rigidity standard testing of test and solid wheel are calculated, it is ensured that it disclosure satisfy that application demand.
Brief description of the drawings
Fig. 1 is the positive overall structure diagram of the present invention.
Fig. 2 is the side overall structure diagram of the present invention.
Fig. 3 is its test fixture structural representation of the axial rigidity of the present invention.
Fig. 4 is its test fixture structural representation of the shearing rigidity of the present invention.
Fig. 5 is the axial rigidity result schematic diagram of test product one of the present invention.
Fig. 6 is the axial rigidity result schematic diagram of test product two of the present invention.
Fig. 7 is the shearing rigidity result schematic diagram of test product one and two of the present invention.
Embodiment
Embodiment 1：
As depicted in figs. 1 and 2, flexible wheel of the invention, including wheel bottom plate 1 and wheel end plate 2；And it is installed on car Take turns the rubber 3 between bottom plate and wheel end plate；The wheel bottom plate 1 and wheel end plate 2 are made by Q235 materials；The rubber 3 are made up of natural rubber for material of main part；
In another embodiment, wheel bottom plate 1 and wheel end plate 2 exposed metal is coated with grey antirust oil enamelled coating.
In another embodiment, the wheel bottom plate 1 and wheel end plate 2 are axially arranged arcuate relief face.
Wherein, its requirement of the rubber 3 is as follows：63 ± 3 ° of Sha of hardness, tensile strength >=15Mpa, elongation at break >= 300%。
Wherein, its axial rigidity of the wheel is as follows：
To be unloaded after the axially loaded 2.5mm of 1mm/min loading velocity, so preload 2 times, pause 3 ~ 5min, carries out the 3rd time Loading, while load F during the 3rd loading 0.1mm of record1And load F during 2.5mm2；During the axially loaded 0.1 ~ 2.5mm of wheel Rigidity value KAFor 10.5 ± 20%kN/mm；Calculation formula is：KA=（F2-F1）/（2.5-0.1）.
Wherein, its shearing rigidity of the wheel is as follows：
Unload, so preload 2 times after loading 0~6.875kN shearing force with 1mm/min loading velocity transverse direction, pause 3 ~ 5min, carries out the 3rd loading, while the 3rd loading 0.4kN of record amount of deflection S1And amount of deflection S during 6.875kN2；Wheel is horizontal Shearing rigidity value K when loading 0.4~6.875kNSFor 1.125 ± 30%kN/mm；Calculation formula is：KS=（（6.875-0.4）/ （S2-S1））/2.
As shown in figure 3, its test fixture of its axial rigidity of the wheel includes the upper plate 4 and lower plate 5 of axial holding-wheel； The upper plate 4 is with being provided with force component 6 at wheel center axle.
As shown in figure 4, its test fixture of its shearing rigidity of the wheel includes the two end plates 7 of axial holding-wheel；It is described Fixed between two end plates 7 by bolt 8；Lower carrier plate 9 is installed between the bottom of two end plates 7；The top of lower carrier plate 9 is just right Dividing plate 10 is installed；The dividing plate 10 is connected to force component 11.
Embodiment 2：
Two finished wheels are randomly selected, is loaded on fixture as shown in Figure 3, tests in two times, a wheel is loaded into survey every time Try on fixture, rigidity is 10.5 ± 20% kN/mm during axially loaded 2.5mm；Its test result as shown in Figure 5 and Figure 6, sample The axial rigidity of product one is 11.16kN/mm, and the axial rigidity of sample two is 10.10 kN/mm.
Embodiment 3：
Two finished wheels are randomly selected, are loaded on fixture as shown in Figure 4, two samples are tested simultaneously, the stress surface distance of product two When being compressed to 32mm, 6.875kN is laterally loaded, shearing rigidity value is 1.125 ± 30%kN/mm；Its test result as shown in fig. 7, Shearing rigidity is 1.255kN/mm.
The flexible wheel of the present invention, wheel bottom plate and wheel end plate are made up of Q235 materials, its chemical composition energy Enough meet requires, and rubber uses natural rubber for main body, passes through the axial rigidity to the independent test of rubber parts and solid wheel Calculated with shearing rigidity standard testing, it is ensured that it disclosure satisfy that application demand.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (8)

1. a kind of flexible wheel, it is characterised in that：Including wheel bottom plate and wheel end plate；And be installed on wheel bottom plate and Rubber between wheel end plate；The wheel bottom plate and wheel end plate are made by Q235 materials；The rubber is by natural rubber Constituted for material of main part.
2. flexible wheel according to claim 1, is further characterized in that：Outside the wheel bottom plate and wheel end plate Dew metal spraying has grey antirust oil enamelled coating.
3. flexible wheel according to claim 1, is further characterized in that：The wheel bottom plate and road wheel end board shaft To being provided with arcuate relief face.
4. flexible wheel according to claim 1, is further characterized in that：Its requirement of the rubber is as follows：Hardness 63 ± 3 ° of Sha, tensile strength >=15Mpa, elongation at break >=300%.
5. flexible wheel according to claim 1, is further characterized in that：Its axial rigidity of the wheel is as follows：
To be unloaded after the axially loaded 2.5mm of 1mm/min loading velocity, so preload 2 times, pause 3 ~ 5min, carries out the 3rd time Loading, while load F during the 3rd loading 0.1mm of record1And load F during 2.5mm2；During the axially loaded 0.1 ~ 2.5mm of wheel Rigidity value KAFor 10.5 ± 20%kN/mm；Calculation formula is：KA=（F2-F1）/（2.5-0.1）.
6. flexible wheel according to claim 1, is further characterized in that：Its shearing rigidity of the wheel is as follows：
Unload, so preload 2 times after loading 0~6.875kN shearing force with 1mm/min loading velocity transverse direction, pause 3 ~ 5min, carries out the 3rd loading, while the 3rd loading 0.4kN of record amount of deflection S1And amount of deflection S during 6.875kN2；Wheel is horizontal Shearing rigidity value K when loading 0.4~6.875kNSFor 1.125 ± 30%kN/mm；Calculation formula is：KS=（（6.875-0.4）/ （S2-S1））/2.
7. flexible wheel according to claim 1, is further characterized in that：Its test of its axial rigidity of the wheel Fixture includes the upper plate and lower plate of axial holding-wheel；The upper plate at wheel center axle with being provided with force component.
8. flexible wheel according to claim 1, is further characterized in that：Its test of its shearing rigidity of the wheel Fixture includes the two end plates of axial holding-wheel；It is bolted between the two end plates；Pacify between the two end plates bottom Equipped with lower carrier plate；Just to being provided with dividing plate at the top of the lower carrier plate；The dividing plate is connected to force component.
CN201710590285.2A 2017-07-19 2017-07-19 A kind of flexible wheel Active CN107264181B (en)

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Application Number Priority Date Filing Date Title
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CN107264181B CN107264181B (en) 2019-09-20

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1001561A (en) * 1961-09-28 1965-08-18 Kins Developments Ltd Improvements in and relating to cranes
JPS6110140A (en) * 1984-06-22 1986-01-17 Orion Mach Co Ltd Noise prevension of rotary parts
CN104280250A (en) * 2014-09-24 2015-01-14 南京航空航天大学 Tire fixing device used for vertical rigidity test of tire
CN106092621A (en) * 2016-08-17 2016-11-09 株洲九方装备股份有限公司 Elasticity wheel twists reverse test fixture
CN106706343A (en) * 2017-02-28 2017-05-24 株洲九方装备股份有限公司 Radial and axial rigidity testing method and radial and axial rigidity testing fixture for elastic wheel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1001561A (en) * 1961-09-28 1965-08-18 Kins Developments Ltd Improvements in and relating to cranes
JPS6110140A (en) * 1984-06-22 1986-01-17 Orion Mach Co Ltd Noise prevension of rotary parts
CN104280250A (en) * 2014-09-24 2015-01-14 南京航空航天大学 Tire fixing device used for vertical rigidity test of tire
CN106092621A (en) * 2016-08-17 2016-11-09 株洲九方装备股份有限公司 Elasticity wheel twists reverse test fixture
CN106706343A (en) * 2017-02-28 2017-05-24 株洲九方装备股份有限公司 Radial and axial rigidity testing method and radial and axial rigidity testing fixture for elastic wheel

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