CN205417001U - EMUs wheel - Google Patents
EMUs wheel Download PDFInfo
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- CN205417001U CN205417001U CN201521033393.2U CN201521033393U CN205417001U CN 205417001 U CN205417001 U CN 205417001U CN 201521033393 U CN201521033393 U CN 201521033393U CN 205417001 U CN205417001 U CN 205417001U
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- 241000271559 Dromaiidae Species 0.000 title claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 101100346179 Arabidopsis thaliana MORC7 gene Proteins 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- PHKJVUUMSPASRG-UHFFFAOYSA-N 4-[4-chloro-5-(2,6-dimethyl-8-pentan-3-ylimidazo[1,2-b]pyridazin-3-yl)-1,3-thiazol-2-yl]morpholine Chemical compound CC=1N=C2C(C(CC)CC)=CC(C)=NN2C=1C(=C(N=1)Cl)SC=1N1CCOCC1 PHKJVUUMSPASRG-UHFFFAOYSA-N 0.000 description 1
- 101100346171 Arabidopsis thaliana MORC3 gene Proteins 0.000 description 1
- 101100168604 Candida albicans (strain SC5314 / ATCC MYA-2876) CRH12 gene Proteins 0.000 description 1
- 102100021752 Corticoliberin Human genes 0.000 description 1
- 101000895481 Homo sapiens Corticoliberin Proteins 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 101100168607 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) UTR2 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a EMUs wheel, including radials, rim and wheel hub, the radials setting is in the rim with between the wheel hub, EMUs wheel's diameter is 920mm, and it be 850mm to wear and tear the limit diameter, and it is 35mm effectively to wear and tear thickness, and the internal diameter of rim is 800mm, and wheel hub's aperture is 191mm, and wheel hub's thickness is 30mm, wheel hub's width 175mm, and the width 135mm of rim, inboard hub rim distance is 15mm. The utility model discloses for wheel of the same type, intensity height, light in weight, technical characterstic that the noise is little not only have, can also improve motor train unit overhauling quality and availability factor, reduce the motor train unit overhauling maintenance cost.
Description
Technical field
This utility model relates to traffic and transport field, more particularly, to a kind of wheel for EMUs.
Background technology
Bullet train is efficient transportation instrument, flexible with it, convenient, fast, safe and reliable, comfortable as feature, enjoys countries in the world to favor.Since Japan in 1964 starts bullet train first, through the development in more than 50 years, define with modern architecture in Japan N700 system and E5 system, French TGV called and Germany's ICE High-sped Trains as representative.China's EMUs model is numerous, the EMU vehicle that multiple speed class is 350km is developed into, such as CRH380A, CRH380AL, CRH2C two-stage, CRH380B, CRH380BL, CRH380CL, CRH380D etc. on the basis of the original vehicle such as CRH1, CRH2, CRH3.Train of high-speed motor train unit has significant facilitation for the utilization demand meeting China different regions.But, EMUs numerous types, for using maintenance, repair to cause a certain degree of impact, to need badly and each series EMUs are carried out system type, the motor train unit train that research and development simultaneously have the entirely autonomous intellectual property of China is significant.
Utility model content
For overcoming the drawbacks described above of prior art, " Chinese Industrial Standards (CIS) EMUs " concept that this utility model proposes according to Chinese Railway head office, with " Chinese Industrial Standards (CIS) EMUs " hub designs as technical backstopping, use the thinking of Top-layer Design Method, devise a kind of EMUs wheel, its speed of service 350km/h, this wheel can be applicable to the trailer wheels pair of Chinese Industrial Standards (CIS) EMUs, can also be used for use reel mode of braking other EMUs motor car wheel to or trailer wheels pair, interface size meets the related request of TJ/CL342-2014 " the provisional technical conditions of speed per hour 350km Chinese Industrial Standards (CIS) EMUs ".
The utility model proposes a kind of wheel for EMUs, this wheel uses reel mode of braking, and the basic parameter of its structure and size is:
A diameter of 920mm of EMUs wheel, abrasion are to limiting a diameter of 850mm, and effectively abrasion thickness is 35mm, the internal diameter of wheel rim is 800mm, and the aperture of wheel hub is 191mm, and the thickness of wheel hub is 30mm, the width 175mm of wheel hub, the width 135mm of wheel rim, inner side hub rim is away from for 15mm；Mode of braking: reel is braked；Disc is shaped as taper disc；Wheel rim tread profile is LMA type or S1002CN type.
Further, wheel can also be carried out noise reduction process, such as, paste damping-constraining noise reducing plate by pressure head in rolling mode in the interior outside of disc, or there is inside wheel rim dovetail groove and bolt assembly, for damping-constraining noise reduction block being fixed on wheel rim aperture surface under the pretightning force specified.
Preferably, above two noise reduction mode can be applied in combination.
This utility model, relative to same type wheel, not only has the technical characterstic that intensity is high, lightweight, noise is little, it is also possible to improve overhaul of train-set quality and service efficiency, reduces overhaul of train-set maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation according to one embodiment of this utility model；
Fig. 2 is the structure basic size figure according to one embodiment of this utility model；
Fig. 3 is wheel static strength result of calculation；
Fig. 4 is Wheel Fatigue strength Calculation Result；
Fig. 5 is the structural representation according to another embodiment of this utility model；
Fig. 6 is the structural representation according to another embodiment of this utility model；And
Fig. 7 is the structural representation according to another embodiment of this utility model.
In order to enable clearly to realize the structure of embodiment of the present utility model, it is labelled with certain size, structure and device in the drawings, but it is only for signal needs, it is not intended to be limited to by this utility model in this specific dimensions, structure, device and environment, according to specific needs, these devices and environment can be adjusted or revise by those of ordinary skill in the art, and adjusting or revising of being carried out still is included in the scope of appended claims.
Detailed description of the invention
A kind of EMUs wheel provided this utility model with specific embodiment below in conjunction with the accompanying drawings is described in detail.
In the following description, for those skilled in the art, this utility model can be implemented just with some or all structures of the present utility model or flow process.In order to, for the definition explained, elaborate specific number, configuration and order, however, it will be apparent that this utility model can also be implemented in the case of not having these specific detail.In other cases, in order to not obscure this utility model, will no longer be described in detail for some well-known features.
EMUs wheel of the present utility model is overall rolled steel wheel, is made up of 3 main region, i.e. wheel hub 1, disc 2, wheel rim 3, and wherein disc 2 is arranged between wheel hub 1 and wheel rim 3, and each region particular location is as shown in Figure 1.
EMUs wheel of the present utility model is illustrated below in conjunction with Fig. 2.
(1) rolling circle diameter and wheel rim effectively wear away thickness
With reference to knowable to " 1.2Wheeldiameter " of standard UIC510-2-2004 of this area, when new wheel rolling circle diameter phi 920mm, minimum rolling circle a diameter of φ 840mm that abrasion are allowed to limit state.According to the regulation of 5.1.27 in this area standard TJ/CL342-2014 " the provisional technical conditions of speed per hour 350km Chinese Industrial Standards (CIS) EMUs ", the new wheel a diameter of 920mm of rolling circle, the a diameter of 850mm of rolling circle that full abrasion state is corresponding, the therefore regulation of respective value conformance with standard UIC510-2-2004 of the application.
Regulation according to this area standard TJ/CL342-2014, wheel is not less than 2,400,000 kilometers service life, the type EMUs such as CRH3, CRH380A (L), CRH380B (L) are about between 1.9mm～2.5mm in the tread wear amount that utilization 1,000,000 km are corresponding, Xuan repaiies number of times between 4 times～5 times, and the tread attrition inventory quantity after repairing including tread wear and tread Xuan is between 4mm～6mm.Consider the factors such as vehicle eccentric wear, reserved wheel rim adds Xuan and measures 9mm, then 1,000,000 km correspondence tread Xuan repair and are worth about 15mm, it is 35mm that wheel rim effectively wears away thickness, 2000000 kilometers of Xuan repair rear rim and still retain 5mm and effectively wear away thickness, be enough to support wheel and use 400,000 kilometers, therefore wheel meets 2,400,000 kilometers of requirements service life.
(2) abrasion are to the wheel rim residual thickness of limit correspondence
According to " railway carriage wheel to and roller-bearing axle box assemble and the regulation of inspection and repair " regulation, it is 25mm that the above passenger vehicle of speed per hour 120km repaiies the wheel rim thickness limit value corresponding with when using at auxiliary (A1), with reference to this assembling and the regulation of inspection and repair, wheel wear to wheel rim residual thickness in limited time is set to 25mm by this utility model, and corresponding wheel rim internal diameter is 800mm.
(3) wheel hub aperture, hub thickness and hub width
According to Chinese Industrial Standards (CIS) axle of motor train unit drawing, trailer wheel hub bore diameter is 191mm.
Hub thickness size has influence on wheel shaft tautness, and for ensureing wheel shaft tautness, wheel hub wall thickness is sufficiently large, but to reduce wheel mass, wheel hub wall thickness should be the least.With reference to CRH380A (L) EMUs wheel and the non-powered wheel of CRH380B (L) EMUs, wheel hub wall thickness is set as 30mm.
Regulation according to standard technological document TJ/CL281-2013 " motor train unit wheel is to composition (provisional) ", hub width should be between 0.85dm～1.1dm (dm is wheel seat diameter), with reference to CRH380A (L) EMUs wheel and the hub width of CRH380B (L) EMUs wheel, finally determine that hub for vehicle wheel width is 175mm.
(4) inner side hub rim away from
Use for reference the hub rim of CRH380A (L) EMUs wheel and CRH380B (L) EMUs wheel away from and consider to optimize at wheel seat on compensating groove architecture basics, determine that inner side hub rim is away from for 15mm.
(5) disc shape
Wheel web uses taper web pattern, and this structure can control web weight and structural strength very well, can reduce disc cydariform vibration noise simultaneously.
(6) rim width, flange tread external form
With reference to the relative dimensions of existing EMUs wheel, rim width is determined 135mm；Flange tread profile is one of basic part of wheel, and it must be with rail head of rail mating shapes.It with line condition, vehicle performance relevant, and the least with wheel web structural relation.According to ferrum general act TJ/CL342-2014 requirement, wheel rim tread profile is LMA type or S1002CN type.
(7) structural strength
Structural strength of the present utility model is checked by application UIC510-5-2007 " TechnicalApprovalofMonoblocWheels ", the check result of static strength is shown in Table 1 and Fig. 3, the safety coefficient minima of static strength is 1.34, the check result of fatigue strength is shown in Fig. 4, the safety coefficient of fatigue strength is 360/270=1.33, pi of strength of the present utility model meets the relevant regulations of UIC510-5-2007, and has higher-strength allowance.
Table 1 this utility model static strength performance indications
This utility model is shown in Table 2 with the performance comparison situation of similar existing EMUs wheel, and designing quality of the present utility model and safety coefficient are between CRH380B tugboat-Lu Qi secondary rainbow and CRH380B tugboat-BVV.The basic parameter of this utility model structure and size is shown in Table 3 with the contrast situation of similar existing EMUs wheel.
The performance comparison of table 2 this utility model and similar existing wheel
The contrast of table 3 this utility model and similar existing wheel basic size
| Parameter type | This utility model | CRH380B tugboat-Lu Qi secondary rainbow | RH380B tugboat-BVV |
| Newly take turns wheel diameter | 920mm | 920mm | 920mm |
| Abrasion are to limit diameter | 850mm | 858mm | 858mm |
| Effectively wear away thickness | 35mm | 31mm | 31mm |
| Wheel rim internal diameter | 800mm | 810mm | 800mm |
| Wheel hub aperture | 191mm | 191mm | 191mm |
| Hub thickness | 30mm | 29.6mm | 32mm |
| Hub width | 175mm | 175mm | 174mm |
| Inner side hub rim away from | 15mm | 17mm | 17mm |
(8) noise reduction mode
The cydariform vibration noise of taper web pattern is relatively low, wheel mass and structural strength can be adjusted by web pattern, by thrust set in advance, on specific installation equipment, pasting damping-constraining noise reducing plate 4 by pressure head in rolling mode at inside and outside adradialia and implement noise reduction, the situation of being embodied as is shown in Fig. 5.
Wheel rim 3 directly contacts with rail, car body weight is passed to rail and bears the counteracting force of rail, wheel rolling on rail is realized by friction, on wheel rim, fluting can realize damping-constraining noise reduction block 5 noise reduction measure, the wheel using this noise reduction measure needs processing inside wheel rim to install the dovetail groove of damping-constraining noise reduction block, under the pretightning force specified, damping-constraining noise reduction block being fixed on wheel rim aperture surface by dovetail groove and bolt assembly 6, the situation of being embodied as is shown in Fig. 6.
The performance taking the reducing noise for combined structure of damping-constraining noise reducing plate and damping-constraining noise reduction block is shown in Fig. 7.For ensureing interchangeability, under each noise reduction mode, the structure of wheel and the basic parameter of size are completely the same.
Finally it should be noted that, above example is only in order to describe the technical solution of the utility model rather than to limit this technical method, this utility model can extend to other amendment in application, change, applies and embodiment, and it is taken as that all such amendments, change, apply, embodiment is all in the range of spirit or teaching of the present utility model.
Claims (6)
1. an EMUs wheel, including disc, wheel rim and wheel hub, described disc is arranged between described wheel rim and described wheel hub, it is characterised in that: a diameter of 920mm of described EMUs wheel, abrasion are to limiting a diameter of 850mm, effectively abrasion thickness is 35mm, and the internal diameter of described wheel rim is 800mm, and the aperture of described wheel hub is 191mm, the thickness of described wheel hub is 30mm, the width 175mm of described wheel hub, the width 135mm of described wheel rim, described inner side hub rim is away from for 15mm.
EMUs wheel the most according to claim 1, it is characterised in that described disc is taper web pattern.
EMUs wheel the most according to claim 2, it is characterised in that described wheel uses reel mode of braking.
EMUs wheel the most according to claim 1, it is characterised in that described wheel rim tread profile is LMA or S1002CN.
5. according to the arbitrary EMUs wheel described in claim 1-4, it is characterised in that paste damping-constraining noise reducing plate by pressure head in rolling mode in the interior outside of described disc.
6. according to the arbitrary EMUs wheel described in claim 1-4, it is characterised in that have dovetail groove and bolt assembly inside described wheel rim, for damping-constraining noise reduction block being fixed on described wheel rim aperture surface under the pretightning force specified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033393.2U CN205417001U (en) | 2015-12-14 | 2015-12-14 | EMUs wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033393.2U CN205417001U (en) | 2015-12-14 | 2015-12-14 | EMUs wheel |
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| Publication Number | Publication Date |
|---|---|
| CN205417001U true CN205417001U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033393.2U Active CN205417001U (en) | 2015-12-14 | 2015-12-14 | EMUs wheel |
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| Country | Link |
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| CN (1) | CN205417001U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626960A (en) * | 2016-10-31 | 2017-05-10 | 马钢(集团)控股有限公司 | Low-noise wheel for rail transit vehicle and manufacturing method for low-noise wheel |
| CN108162678A (en) * | 2017-12-05 | 2018-06-15 | 信阳同合车轮有限公司 | A kind of IR39 wagon wheels |
| CN110626381A (en) * | 2019-09-19 | 2019-12-31 | 中铁第四勘察设计院集团有限公司 | Dynamic detection platform for running part of power-concentrated motor train unit |
-
2015
- 2015-12-14 CN CN201521033393.2U patent/CN205417001U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626960A (en) * | 2016-10-31 | 2017-05-10 | 马钢(集团)控股有限公司 | Low-noise wheel for rail transit vehicle and manufacturing method for low-noise wheel |
| CN108162678A (en) * | 2017-12-05 | 2018-06-15 | 信阳同合车轮有限公司 | A kind of IR39 wagon wheels |
| CN110626381A (en) * | 2019-09-19 | 2019-12-31 | 中铁第四勘察设计院集团有限公司 | Dynamic detection platform for running part of power-concentrated motor train unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhibo Lucchini Railway Equipment Co., Ltd. Assignor: Institute of metal and chemistry|Chinese Academy of Railway Sciences|Beijing Railway New Material Technology Co., Ltd., China Railway Research Institute Contract record no.: 2017990000168 Denomination of utility model: Optimal design method of motor car group wheel tread Granted publication date: 20160803 License type: Common License Record date: 20170509 Assignee: TAIYUAN HEAVY INDUSTRY RAILWAY TRAFFIC EQUIPMENT CO., LTD. Assignor: Institute of metal and chemistry|Chinese Academy of Railway Sciences|Beijing Railway New Material Technology Co., Ltd., China Railway Research Institute Contract record no.: 2017990000169 Denomination of utility model: Optimal design method of motor car group wheel tread Granted publication date: 20160803 License type: Common License Record date: 20170509 Assignee: Ma'anshan Iron and Steel Co., Ltd. Assignor: Institute of metal and chemistry|Chinese Academy of Railway Sciences|Beijing Railway New Material Technology Co., Ltd., China Railway Research Institute Contract record no.: 2017990000170 Denomination of utility model: Optimal design method of motor car group wheel tread Granted publication date: 20160803 License type: Common License Record date: 20170509 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171012 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee after: Beijing China Academy of Railway Science New Material & Technology Co., Ltd. Patentee after: Railway Scientific Research Academy Metal And Chemical Research Institute Co-patentee after: China Academy of Railway Sciences Co-patentee after: CHINA RAILWAY CORPORATION Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee before: Beijing China Academy of Railway Science New Material & Technology Co., Ltd. Patentee before: Railway Scientific Research Academy Metal And Chemical Research Institute Co-patentee before: China Academy of Railway Sciences |
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| TR01 | Transfer of patent right |