CN107264181B - A kind of flexible wheel - Google Patents
A kind of flexible wheel Download PDFInfo
- 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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- CN
- China
- Prior art keywords
- wheel
- plate
- rigidity
- load
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010008 shearing Methods 0.000 claims abstract description 21
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 11
- 240000008528 Hevea brasiliensis Species 0.000 claims abstract description 8
- 229920001194 natural rubber Polymers 0.000 claims abstract description 8
- 238000011068 load Methods 0.000 claims description 31
- 238000004364 calculation method Methods 0.000 claims description 6
- 239000000969 carrier Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 230000036316 preload Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
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
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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590285.2A CN107264181B (en) | 2017-07-19 | 2017-07-19 | A kind of flexible wheel |
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107264181A CN107264181A (en) | 2017-10-20 |
| CN107264181B true CN107264181B (en) | 2019-09-20 |
Family
ID=60079270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710590285.2A Active CN107264181B (en) | 2017-07-19 | 2017-07-19 | A kind of flexible wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107264181B (en) |
Citations (5)
| 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 |
-
2017
- 2017-07-19 CN CN201710590285.2A patent/CN107264181B/en active Active
Patent Citations (5)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107264181A (en) | 2017-10-20 |
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