CN107264181B - A kind of flexible wheel - Google Patents

A kind of flexible wheel Download PDF

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Publication number
CN107264181B
CN107264181B CN201710590285.2A CN201710590285A CN107264181B CN 107264181 B CN107264181 B CN 107264181B CN 201710590285 A CN201710590285 A CN 201710590285A CN 107264181 B CN107264181 B CN 107264181B
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China
Prior art keywords
wheel
plate
rigidity
load
rubber
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CN201710590285.2A
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Chinese (zh)
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CN107264181A (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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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00Wheels characterised by rail-engaging elements
    • B60B17/02Wheels characterised by rail-engaging elements with elastic tyres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2360/00Materials; Physical forms thereof
    • B60B2360/10Metallic materials
    • B60B2360/102Steel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2360/00Materials; Physical forms thereof
    • B60B2360/50Rubbers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00Purpose of invention
    • B60B2900/30Increase in
    • B60B2900/313Resiliency

Abstract

The invention discloses a kind of flexible wheels, wheel bottom plate and wheel end plate are made of Q235 material, its chemical component can satisfy requirement, and rubber uses based on natural rubber, by individually testing rubber parts and the axial rigidity of solid wheel and shearing rigidity standard testing calculate, guarantee that it can satisfy application demand.Flexible wheel of the invention, wheel bottom plate and wheel end plate are made of Q235 material, its chemical component can satisfy requirement, and rubber uses based on natural rubber, by individually testing rubber parts and the axial rigidity of solid wheel and shearing rigidity standard testing calculate, guarantee that it can satisfy application demand.

Description

A kind of flexible wheel
Technical field
The present invention relates to a kind of tramcar components, and in particular to a kind of flexible wheel belongs to tramcar group Part technical field.
Background technique
With the continuous expansion of urban population continued to increase with city size, original public transport mode cannot expire The needs of sufficient urban development, to development in pluralism, novel environment friendly tramcar system is just pushed away by each big city urban transportation It is wide to use;The system uses Embedded Track desigh, it can be achieved that mixing up the advantages that current with ground automobile, 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 when operation;Due to line Road irregularity excitation, vehicle increases with the active force of unsprung mass increased between wheel track in the process of running, therefore should guarantee 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 are assembled together with wheel elasticity, then significantly reduce unsprung mass;To reduce vehicle in the process of running Active force between the wheel track of generation, wheel also decrease the vibration of upper non-elastic member, and abrasion is reduced, simultaneously because route is uneven It is reduced along noise caused by excitation;Due to these advantages, elastic wheel is in external light rail low-floor tramcar, subway , be widely applied on inter-city train;Existing elastic wheel is prone to wear, and noise reduction effect is poor, in addition, without a set of complete At production examination criteria.
Summary of the invention
To solve the above problems, the invention proposes a kind of flexible wheel, wheel bottom plate and wheel end plate by Q235 material is made, and chemical component can satisfy requirement, and rubber uses based on natural rubber, by independent to rubber parts The axial rigidity and shearing rigidity standard testing of test and solid wheel calculate, and guarantee that it can satisfy application demand.
Flexible wheel of the 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 of Q235 material;The rubber is by based on natural rubber Body material is constituted;
Further, the wheel bottom plate and wheel end plate exposed metal are coated with grey antirust oil paint layer.
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:
It to be unloaded after the axially loaded 2.5mm of the loading velocity of 1mm/min, so preloads 2 times, pause 3 ~ 5min, carries out 3rd load, while load F when the 3rd load 0.1mm of record1And load F when 2.5mm2;Wheel axially loaded 0.1 ~ Rigidity value K when 2.5mmAFor 10.5 ± 20%kN/mm;Calculation formula are as follows: KA=(F2-F1)/(2.5-0.1).
Further, its shearing rigidity of the wheel is as follows:
It is unloaded after laterally loading the shearing force of 0~6.875kN with the loading velocity of 1mm/min, so preloads 2 times, stop Pause 3 ~ 5min, carries out the 3rd load, while recording the amount of deflection S of the 3rd load 0.4kN1And amount of deflection S when 6.875kN2;Wheel Laterally shearing rigidity value K when 0.4~6.875kN of loadSFor 1.125 ± 30%kN/mm;Calculation formula are as follows: 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 It states and force component is installed at upper plate and wheel center shaft.
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;Face is equipped at the top of the lower carrier plate Partition;The partition 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 material is made, and chemical component can satisfy requirement, and rubber uses based on natural rubber, by independent to rubber parts The axial rigidity and shearing rigidity standard testing of test and solid wheel calculate, and guarantee that it can satisfy application demand.
Detailed description of the invention
Fig. 1 is positive overall structure diagram of the invention.
Fig. 2 is side overall structure diagram of the invention.
Fig. 3 is its test fixture structural schematic diagram of axial rigidity of the invention.
Fig. 4 is its test fixture structural schematic diagram of shearing rigidity of the invention.
Fig. 5 is one axial rigidity result schematic diagram of test product of the invention.
Fig. 6 is two axial rigidity result schematic diagram of test product of the invention.
Fig. 7 is the shearing rigidity result schematic diagram of test product one and two of the invention.
Specific 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 installation Rubber 3 between wheel bottom plate and wheel end plate;The wheel bottom plate 1 and wheel end plate 2 are made of Q235 material;It is described Rubber 3 is made of material based on natural rubber;
In another embodiment, the wheel bottom plate 1 and 2 exposed metal of wheel end plate are coated with grey antirust oil paint layer.
In another embodiment, the wheel bottom plate 1 and wheel end plate 2 are axially provided with arcuate relief face.
Wherein, its requirement of the rubber 3 is as follows: 63 ± 3 ° of Sha of hardness, tensile strength >=15Mpa, and elongation at break >= 300%。
Wherein, its axial rigidity of the wheel is as follows:
It to be unloaded after the axially loaded 2.5mm of the loading velocity of 1mm/min, so preloads 2 times, pause 3 ~ 5min, carries out 3rd load, while load F when the 3rd load 0.1mm of record1And load F when 2.5mm2;Wheel axially loaded 0.1 ~ Rigidity value K when 2.5mmAFor 10.5 ± 20%kN/mm;Calculation formula are as follows: KA=(F2-F1)/(2.5-0.1).
Wherein, its shearing rigidity of the wheel is as follows:
It is unloaded after laterally loading the shearing force of 0~6.875kN with the loading velocity of 1mm/min, so preloads 2 times, stop Pause 3 ~ 5min, carries out the 3rd load, while recording the amount of deflection S of the 3rd load 0.4kN1And amount of deflection S when 6.875kN2;Wheel Laterally shearing rigidity value K when 0.4~6.875kN of loadSFor 1.125 ± 30%kN/mm;Calculation formula are as follows: 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; Force component 6 is installed at the upper plate 4 and wheel center shaft.
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 It is fixed by bolt 8 between two end plates 7;Lower carrier plate 9 is installed between 7 bottom of two end plates;The 9 top face of lower carrier plate Partition 10 is installed;The partition 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, every time load a wheel Onto test fixture, rigidity is 10.5 ± 20% kN/mm when axially loaded 2.5mm;Its test result such as Fig. 5 and Fig. 6 institute Show, one axial rigidity of sample is 11.16kN/mm, and two axial rigidity of sample 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, two stress surface of product When Range compress is to 32mm, 6.875kN is laterally loaded, shearing rigidity value is 1.125 ± 30%kN/mm;Its test result such as Fig. 7 It is shown, shearing rigidity 1.255kN/mm.
Flexible wheel of the invention, wheel bottom plate and wheel end plate are made of Q235 material, chemical component energy It enough meets the requirements, and rubber is using based on natural rubber, by individually testing rubber parts and the axial rigidity of solid wheel It is calculated with shearing rigidity standard testing, guarantees that it can satisfy application demand.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above 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 range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (5)

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 of Q235 material;The rubber is by natural rubber Based on material constitute;
Its requirement of the rubber is as follows: 63 ± 3 ° of Sha of hardness, tensile strength >=15Mpa, elongation at break >=300%;
Its axial rigidity of the wheel is as follows:
It to be unloaded after the axially loaded 2.5mm of the loading velocity of 1mm/min, so preloads 2 times, pause 3 ~ 5min, carries out the 3rd time Load, at the same record the 3rd time load 0.1mm when load F1 and 2.5mm when load F2;Axially loaded 0.1 ~ the 2.5mm of wheel When rigidity value KA be 10.5 ± 20%kN/mm;Calculation formula are as follows: KA=(F2-F1)/(2.5-0.1);
Its shearing rigidity of the wheel is as follows:
It unloads after laterally loading the shearing force of 0~6.875kN with the loading velocity of 1mm/min, so preloads 2 times, pause 3 ~ 5min carries out the 3rd load, while the amount of deflection S2 when amount of deflection S1 and 6.875kN of the 3rd load 0.4kN of record;Wheel is lateral Shearing rigidity value KS is 1.125 ± 30%kN/mm when loading 0.4~6.875kN;Calculation formula are as follows: KS=((6.875-0.4)/ (S2-S1))/2.
2. flexible wheel according to claim 1, it is further characterized in that: outside the wheel bottom plate and wheel end plate Dew metal spraying has grey antirust oil paint layer.
3. flexible wheel according to claim 1, it 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, it 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;Force component is installed at the upper plate and wheel center shaft.
5. flexible wheel according to claim 1, it 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;Face is equipped with partition at the top of the lower carrier plate;The partition 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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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710590285.2A CN107264181B (en) 2017-07-19 2017-07-19 A kind of flexible wheel

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CN107264181B true 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 A kind of elastic wheel reverses 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 A kind of elastic wheel reverses 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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