CN207111803U - A kind of motor car bogie motor node - Google Patents
A kind of motor car bogie motor node Download PDFInfo
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- CN207111803U CN207111803U CN201721115266.6U CN201721115266U CN207111803U CN 207111803 U CN207111803 U CN 207111803U CN 201721115266 U CN201721115266 U CN 201721115266U CN 207111803 U CN207111803 U CN 207111803U
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Abstract
The utility model discloses a kind of motor car bogie motor node and its manufacture method, wherein motor node includes metal core axle, first layer metal overcoat, second layer metal overcoat, multiple layer metal spacer, multilayer elastic rubber bodies, multilayer elastic rubber bodies turn into elastomer with metal core axle, multiple layer metal spacer, first layer metal overcoat by vulcanization, and elastomer is pressed fit into second layer metal overcoat；Metal spacer, elastic rubbery body and first layer metal overcoat are two-flap type structure；In elastomer press-in second layer metal overcoat, and precompressed stress under compression is produced to elastic rubbery body, air insulated section one and air insulated section two are formd between the metal spacer and elastic rubbery body of two-flap type, along metal core axle radially, the section of air insulated section one and air insulated section two is disposed as sector, and the sector crosssection of each air insulated section is gradually to expand opening along from metal core axle towards the direction of second layer metal overcoat.The utility model improves product quality.
Description
Technical field
It the utility model is related to a kind of motor node, more particularly to a kind of motor car bogie motor node.
Background technology
In order to adapt to China high-speed railway operating environment and condition, meet it is more diversified, long range, it is long when
Between, the demand such as continuous high speed operation, make suitable China's actual conditions, the design of EMU of road feelings, manufacturing platform, realize high
Fast EMUs versatility autonomy-oriented, railway parent company start standard EMUs vehicle development work.The CRH motor-cars of existing operation
Group is to improve to improve on the basis of import EMUs are introduced, and is mixed with Europe superscript and day mark, and in Chinese environmental produces some
State's feature, and the standard EMUs newly developed add compatibility and function of not derailing, unified standard, it is existing dynamic fully summarizing
On car group experiential basis, with reference to some demands of Chinese practice utilization, distinct and comprehensive Chinese feature, national standard in using names are formed
Standard, Europe superscript more technical than existing EMUs and day mark higher level, represent the highest standard of current world's EMUs technology.
Motor node is mounted in a part between motor car bogie framework and motor, and it serves the elasticity of motor
The effect such as hanging and flexible positioning, when vehicle crosses curve, the laterally free swing protection internal part of motor is realized, in straight line
Lengthwise movement during operation to motor plays buffering limitation left and right.
Therefore, motor node needs have suitable axial rigidity and radial rigidity.If product axial rigidity is excessive, vehicle
Motor can not freely swing when crossing curve, the excessive fragile motor internal electric component of additional moment.If products radial rigidity mistake
Small, then motor can not be positioned effectively in vehicle launch and braking procedure, and motor interferes to form shock beyond gauge with miscellaneous part,
Damage motor and interference part.
To ensure that motor node has suitable an axial rigidity and radial rigidity, a practicality of applicant's earlier application is new
Type patent（Authorization Notice No. is CN202118165U, and authorized announcement date is on January 18th, 2012）Disclose a kind of ball pivot class rubber
Glue elasticity element, including metal core axle, first layer metal overcoat, second layer metal overcoat, metal spacer, elastic rubbery body, bullet
Property rubber bodies and metal core axle, metal spacer, first layer metal overcoat elastomer is turned into by vulcanization, elastomer is pressed fit into the
In two layers of metal-coating；Metal spacer is more than two layers；Every layer of metal spacer length is successively decreased successively；Elastomer will by frock
The first layer metal overcoat of two valves is pressed into second layer metal overcoat after closing up, and produces precompressed stress under compression to elastic rubbery body.
But in above-mentioned patent document, elastic rubbery body is with metal core axle, metal spacer, first layer metal overcoat
Sulfide, due to air insulated section be present, elastic rubbery body and metal spacer are all splitted structures, therefore, most interior
Effective bond area between the elastic rubbery body and metal core axle of layer just reduces, so as to be impacted to the quality of product.
To sum up, a kind of motor car bogie motor node how is designed so that motor car bogie motor node can have
There are suitable axial rigidity and radial rigidity, effective bonding plane between and can increase innermost layer elastic rubbery body and metal core axle
Product, it is the technical problem for being badly in need of solving to improve product quality.
Utility model content
Technical problem to be solved in the utility model is for defect present in prior art, there is provided a kind of motor-car turns
To frame motor node, it both has suitable axial rigidity and radial rigidity, and can increase innermost layer elastic rubbery body and gold
Belong to effective bond area between mandrel, improve product quality.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of motor car bogie motor
Node, including metal core axle, first layer metal overcoat, second layer metal overcoat, multiple layer metal spacer, multilayer elastic rubber bodies,
Multilayer elastic rubber bodies turn into elastomer, elastomer with metal core axle, multiple layer metal spacer, first layer metal overcoat by vulcanization
It is pressed fit into second layer metal overcoat；Metal spacer, elastic rubbery body and first layer metal overcoat are two-flap type structure；
In elastomer press-in second layer metal overcoat, and precompressed stress under compression, the metal spacer and bullet of two-flap type are produced to elastic rubbery body
Property rubber bodies between form air insulated section one and air insulated section two, along metal core axle radially, air insulated section one and sky
The section of gas distance piece two is disposed as sector, and the sector crosssection of each air insulated section is along from metal core axle towards second
The direction of layer metal-coating gradually expands opening.
Preferably, the central angle of air insulated section one and the central angle of air insulated section two are disposed as 10 degree to 90 degree.
Preferably, the arc length sum of the first layer metal overcoat of two valve structures is more than the interior diameter of second layer metal overcoat.
Preferably, the length of every layer of metal spacer along from metal core axle towards the direction of second layer metal overcoat by passing successively
Subtract, the difference of the length of adjacent two layers metal spacer is more than the elastic rubbery body being arranged between the adjacent two layers metal spacer
Thickness.
Preferably, the angle between the line and horizontal plane between air insulated section one and air insulated section two is 90 degree.
The beneficial effects of the utility model are：The utility model is by the section of air insulated section one and air insulated section two
It is disposed as sector, is so adding the same of innermost layer elastic rubbery body and effective bond area of metal core axle touching position
When also increase the gap of air insulated section at outermost layer elastic rubbery body, compensate for using this increased gap to increase most
The gap reduced during effective bond area of internal layer elastic rubbery body and metal core axle touching position, so that the utility model
Both there is suitable axial rigidity and radial rigidity, it is effectively viscous between and can increase innermost layer elastic rubbery body and metal core axle
Junction is accumulated, and improves product quality.By adjusting the central angle alpha 1 of air insulated section one and the central angle alpha 2 of air insulated section two
Come adjust motor car bogie motor node it is empty to（Y-Y）Rigidity and reality are to (X-X) rigidity, so that the utility model energy
Enough under various different operating modes, all have suitable empty to rigidity and in fact to rigidity.By the first layer gold for setting two valve structures
Belong to the structural relation between the arc length of overcoat and the interior diameter of second layer metal overcoat, by elastomer and second layer metal overcoat it
Between fit system be changed to metal interference from rubber interference, so as to avoid in the course of the work because of rubber creep, aging, bullet
The problem of property body is scurried out from second layer metal overcoat, further increase the quality and service life of product.By setting
Between the thickness for putting the elastic rubbery body between the difference of the length of adjacent two layers metal spacer and the adjacent two layers metal spacer
Structural relation, there is the problem of axial unstability when being avoided that product axial direction big displacement.By adjusting every layer of elastic rubbery body
Internal diameter, external diameter and the length along metal core axle axial direction are adjusted to the stress of each layer elastic rubbery body, can realize each layer thin-walled
The iso-stress design of rubber layer part so that the stress of every layer of elastic rubbery body is equal or close, effectively raises making for product
It is reliability with the life-span.
Brief description of the drawings
Fig. 1 is the main structure diagram of motor car bogie motor node in the utility model embodiment；
Fig. 2 is the cross section structure diagram of motor car bogie motor node vertically in the utility model embodiment；
Fig. 3 is the main structure diagram of the utility model embodiment elastomer；
Fig. 4 is the main structure diagram of the second metal-coating in the utility model embodiment；
In figure：1. metal core axle, 2. first layer metal overcoats, 3. second layer metal overcoats, 4. metal spacers, 5.
Elastic rubbery body, 6. elastomers, 7. air insulated sections one, 8. air insulated sections two.
Embodiment
Further details of elaboration is done to the technical solution of the utility model with specific embodiment below in conjunction with the accompanying drawings.
Embodiment：As shown in Figure 1 to Figure 3, a kind of motor car bogie motor node, including metal core axle 1, first layer gold
Belong to overcoat 2, second layer metal overcoat 3, multiple layer metal spacer 4, multilayer elastic rubber bodies 5, multilayer elastic rubber bodies 5 with it is metal-cored
Axle 1, multiple layer metal spacer 4, first layer metal overcoat 2 turn into elastomer 6 by vulcanization, and elastomer 6 is pressed fit into second layer gold
Belong in overcoat 3；Metal spacer 4, elastic rubbery body 5 and first layer metal overcoat 2 are two-flap type structure；Elastomer 6 passes through
Frock by the first layer metal overcoat of two valves it is 2-in-1 hold together after be pressed into second layer metal overcoat 3, and elastic rubbery body 5 is produced pre-
Compression stress, air insulated section 1 and air insulated section two are formd between the metal spacer 4 and elastic rubbery body 5 of two-flap type
8, the section of air insulated section 1 and air insulated section 28 is disposed as sector along metal core axle 1 radially, and each air every
Sector crosssection from section is that edge gradually expands opening from metal core axle 1 towards the direction of second layer metal overcoat 3, i.e., fan-shaped to cut
The small head end in face is located to be located at close to the side of the second metal-coating 3 close to the side of metal core axle 1, the stub end of sector crosssection.For
Increase innermost layer elastic rubbery body and metal core axle touching position（I.e. in figure at A）Effective bond area, it is just inevitable
Can also reduce innermost layer elastic rubbery body and metal core axle touching position（I.e. in figure at A）The intersegmental gap of air insulated, so
Although adding effective bond area, it can not ensure that product has suitable axial rigidity and radial rigidity, therefore, this reality
Apply example and the section of air insulated section one and air insulated section two be disposed as sector, using sector both sides inclined plane shape,
Add innermost layer elastic rubbery body and metal core axle touching position（I.e. in figure at A）Effective bond area while also increase
At outermost layer elastic rubbery body（I.e. in figure at B）Air insulated section gap, using herein（I.e. in figure at B）Increased sky
Air bound compensate for as increase innermost layer elastic rubbery body and metal core axle touching position from intersegmental gap（I.e. in figure at A）It is effectively viscous
The air insulated intersegmental gap of reduction when junction is accumulated, so that the present embodiment both has suitable axial rigidity and radial rigidity,
And can increases effective bond area between innermost layer elastic rubbery body and metal core axle, improves product quality.
After air insulated section 1 and air insulated section 28 are arranged to sector, fan-shaped air insulated section 1 can be formed
One central angle alpha 1, fan-shaped air insulated section 28 can form a central angle alpha 2, and the present embodiment is according to different operating modes, such as
Different installation forms, it can be adjusted by adjusting the central angle alpha 1 of air insulated section one and the central angle alpha 2 of air insulated section two
Whole motor car bogie with motor node it is empty to（Y-Y）Rigidity and reality are to (X-X) rigidity, so that the present embodiment can be each
Under the different operating modes of kind, all have suitable empty to rigidity and in fact to rigidity.In the present embodiment, the central angle of air insulated section one
The central angle alpha 2 of α 1 and air insulated section two is disposed as 10 degree, 40 degree or 90 degree.
As shown in Figure 3 and Figure 4, the first layer metal overcoat 2 of two valve structures includes half set 1 and half set 2 212, and half covers
1 and half the arc length of set 2 212 be L, the interior diameter of second layer metal overcoat 3 is D, in the present embodiment, two valve structures
First layer metal overcoat 2 arc length sum be more than second layer metal overcoat 3 interior diameter, i.e. 2L ＞ D.Because existing
In technology, when elastomer is pressed into second layer metal overcoat, completed by rubber interference, but rubber have it is compacted
The characteristics such as change, aging, so in use for some time, rubber interference power will reduce, so that in use, elastomer
It is possible to scurry out from second layer metal overcoat.Elastomer 6 is between having between half set 1 and half set 2 212 before press fitting
Gap H's, during press fitting, the first layer metal overcoat of two valve structures closes up, i.e. H=0, and the present embodiment is by setting the of two valve structures
The arc length sum of layer of metal overcoat is more than the interior diameter of second layer metal overcoat, so in press fitting, i.e. during H=0, and half set one
Suitable metal interference is can be achieved between the first layer metal overcoat and second layer metal overcoat of the composition of half set two to coordinate, this
Sample, it is exactly to be assembled by metal interference between elastomer and second layer metal overcoat.The present embodiment, will by design
Fit system between elastomer and second layer metal overcoat is changed to metal interference from rubber interference, is being worked so as to avoid
During because of rubber creep, aging, the problem of elastomer is scurried out from second layer metal overcoat, further increase product
Quality and service life.
As depicted in figs. 1 and 2, the length of every layer of metal spacer 4 is along from metal core axle 1 towards the side of second layer metal overcoat 3
To by successively decreasing successively, the difference of the length of adjacent two layers metal spacer 4, which is more than, to be arranged between the adjacent two layers metal spacer 4
Close to the layer of metal spacer 4 of the side of second layer metal overcoat 3 in the thickness of elastic rubbery body 5, i.e. adjacent two layers metal spacer 4
Length is L2, and the length of layer of metal spacer 4 in adjacent two layers metal spacer 4 close to the side of metal core axle 1 is L1, above-mentioned adjacent
The thickness of elastic rubbery body 5 between double layer of metal spacer 4 is H, then L1-L2 ＞ H, so sets and is avoided that product axially big position
Occurs the problem of axial unstability during shifting.
The angle α 3 between line and horizontal plane between air insulated section 1 and air insulated section 28 is 90 degree.Existing
Have in technology, the angle between line and horizontal plane between air insulated section one and air insulated section two is 45 degree, thus
The Y-Y of product can not be adjusted to rigidity and X-X to rigidity according to operating mode, and the present embodiment is by above-mentioned setting, with regard to energy
Flexibly the Y-Y of product is adjusted to rigidity and X-X to rigidity, improves practicality.
As shown in Figure 1 to Figure 3, a kind of manufacture method of motor car bogie motor node is also disclosed in the present embodiment, described
Motor car bogie with motor node include metal core axle 1, first layer metal overcoat 2, second layer metal overcoat 3, multiple layer metal every
Set 4, multilayer elastic rubber bodies 5, during manufacture, first by multilayer elastic rubber bodies 5 and metal core axle 1, multiple layer metal spacer 4, first
Layer metal-coating 2 turns into elastomer 6 by vulcanization, then elastomer 6 is pressed into second layer metal overcoat 3；Metal spacer
4th, elastic rubbery body 5 and first layer metal overcoat 2 are two-flap type structure；Elastomer 6 is golden by the first layer of two valves by frock
Belong to overcoat it is 2-in-1 hold together after be pressed into second layer metal overcoat 3, and precompressed stress under compression, the metal of two-flap type are produced to elastic rubbery body 5
Form air insulated section 1 and air insulated section 28 between spacer 4 and elastic rubbery body 5, after elastomer, elastomer
The middle section of air insulated section 1 and air insulated section 28 along metal core axle radial direction is sector, and each air insulated section
Sector crosssection is gradually to expand opening along from metal core axle 1 towards the direction of second layer metal overcoat 3.
After elastomer, multilayer elastic rubber bodies 5, multiple layer metal spacer 4 and first layer metal overcoat 2 are disposed as partially
Heart round shape, after elastomer 6 is pressed into second layer metal overcoat 3, multilayer elastic rubber bodies 5, multiple layer metal spacer 4, first
Concentric circles is formed between layer metal-coating 2 and second layer metal overcoat 3.If before press fitting, multilayer elastic rubber bodies, multilayer gold
Concentric circles are arranged between category spacer and first layer metal overcoat, then it can not just ensure the concentric circularity of product after press fitting,
The present embodiment by multilayer elastic rubber bodies, multiple layer metal spacer and first layer metal overcoat before press fitting by being disposed as bias
Round shape, after so ensuring that elastomer is pressed into second layer metal overcoat, multilayer elastic rubber bodies, multiple layer metal spacer,
Concentric circles is formed between first layer metal overcoat and second layer metal overcoat, the stress concentration for eliminating rubber layer circumferencial direction shows
As improving product fatigue state.
As shown in figure 3, the internal diameter by adjusting every layer of elastic rubbery body 5（R1）, external diameter (R2) and along metal core axle 1 axially
Length the stress of each layer elastic rubbery body 5 is adjusted so that the stress of every layer of elastic rubbery body is equal.Energy is so set
Realize the iso-stress design of each layer thin-walled rubber layer part so that the stress of every layer of elastic rubbery body is equal or close, effectively carries
The service life of high product is reliability.
To sum up, the section of air insulated section one and air insulated section two is disposed as sector by the utility model, is so existed
Outermost layer bullet is also increased while the effective bond area for adding innermost layer elastic rubbery body and metal core axle touching position
Property rubber bodies at air insulated section gap, using this increased gap compensate for for increase innermost layer elastic rubbery body with gold
The gap reduced during the effective bond area for belonging to mandrel touching position, so that the utility model had both had suitable axial direction just
Degree and radial rigidity, effective bond area between and can increase innermost layer elastic rubbery body and metal core axle, improve product
Quality.Used by adjusting the central angle alpha 1 of air insulated section one and the central angle alpha 2 of air insulated section two to adjust motor car bogie
Motor node it is empty to（Y-Y）Rigidity and reality are to (X-X) rigidity, so that the utility model can be in various different operating modes
Under, all have suitable empty to rigidity and real to rigidity.By the arc length and for the first layer metal overcoat for setting two valve structures
Structural relation between the interior diameter of two layers of metal-coating, by the fit system between elastomer and second layer metal overcoat from rubber
Glue interference is changed to metal interference, and so as to avoid in the course of the work because of rubber creep, aging, elastomer is from second layer metal
The problem of being scurried out in overcoat, further increase the quality and service life of product.By set adjacent two layers metal every
Structural relation between the thickness of elastic rubbery body between the difference of the length of set and the adjacent two layers metal spacer, is avoided that
There is the problem of axial unstability during the big displacement of product axial direction.By adjusting the internal diameter of every layer of elastic rubbery body, external diameter and along metal
The length of mandrel axial direction is adjusted to the stress of each layer elastic rubbery body, can realize that the iso-stress of each layer thin-walled rubber layer part is set
Meter so that the stress of every layer of elastic rubbery body is equal or close, effectively raises the service life i.e. reliability of product.
" multiple " described in the present embodiment refer to the quantity of " two or more ".Above example is only for illustrating this
Utility model is used, rather than is not departing from the utility model to limitation of the present utility model, person skilled in the relevant technique
Spirit and scope in the case of, can also make a variety of changes or convert, therefore all equivalent technical schemes should also belong to
In the scope of protection of the utility model, the scope of protection of the utility model should be limited by each claim.
Claims (5)
1. a kind of motor car bogie motor node, including it is metal core axle, first layer metal overcoat, second layer metal overcoat, more
Layer metal spacer, multilayer elastic rubber bodies, multilayer elastic rubber bodies with outside metal core axle, multiple layer metal spacer, first layer metal
Set turns into elastomer by vulcanization, and elastomer is pressed fit into second layer metal overcoat；Metal spacer, elastic rubbery body and
Layer of metal overcoat is two-flap type structure；In elastomer press-in second layer metal overcoat, and precompressed is produced to elastic rubbery body
Stress under compression, air insulated section one and air insulated section two are formd between the metal spacer and elastic rubbery body of two-flap type, it is special
Sign is：Along metal core axle radially, the section of air insulated section one and air insulated section two is disposed as sector, and each air
The sector crosssection of distance piece is gradually to expand opening along from metal core axle towards the direction of second layer metal overcoat.
2. motor car bogie according to claim 1 motor node, it is characterised in that：The central angle of air insulated section one
10 degree to 90 degree are disposed as with the central angle of air insulated section two.
3. motor car bogie according to claim 1 motor node, it is characterised in that：The first layer metal of two valve structures
The arc length sum of overcoat is more than the interior diameter of second layer metal overcoat.
4. the motor car bogie motor node according to claim 1,2 or 3, it is characterised in that：Every layer of metal spacer
Length is along from metal core axle towards the direction of second layer metal overcoat, by successively decreasing successively, the difference of the length of adjacent two layers metal spacer is big
The thickness of elastic rubbery body between the adjacent two layers metal spacer is arranged on.
5. motor car bogie according to claim 4 motor node, it is characterised in that：Air insulated section one and air every
It it is 90 degree from the angle between the line and horizontal plane between section two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721115266.6U CN207111803U (en) | 2017-09-01 | 2017-09-01 | A kind of motor car bogie motor node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721115266.6U CN207111803U (en) | 2017-09-01 | 2017-09-01 | A kind of motor car bogie motor node |
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| Publication Number | Publication Date |
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| CN207111803U true CN207111803U (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721115266.6U Active CN207111803U (en) | 2017-09-01 | 2017-09-01 | A kind of motor car bogie motor node |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387628A (en) * | 2017-09-01 | 2017-11-24 | 株洲时代新材料科技股份有限公司 | A kind of motor car bogie motor node and its manufacture method |
| EP3620680A1 (en) * | 2018-09-06 | 2020-03-11 | Zhuzhou Times New Material Technology Co., Ltd. | Assembly method of split motor rubber joint and motor rubber joint |
-
2017
- 2017-09-01 CN CN201721115266.6U patent/CN207111803U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387628A (en) * | 2017-09-01 | 2017-11-24 | 株洲时代新材料科技股份有限公司 | A kind of motor car bogie motor node and its manufacture method |
| EP3620680A1 (en) * | 2018-09-06 | 2020-03-11 | Zhuzhou Times New Material Technology Co., Ltd. | Assembly method of split motor rubber joint and motor rubber joint |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Junhui Inventor after: Jiang Zhongsan Inventor after: Xiao Xianglong Inventor after: Huang Jiangbiao Inventor after: Zeng Hui Inventor before: Huang Jiangbiao Inventor before: Zeng Xianhui Inventor before: Luo Jun Inventor before: Zhang Yuxiang Inventor before: Chen Junhui Inventor before: Xiao Xianglong |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200612 Address after: 412007 No.301, physical and chemical building, Liyu Industrial Park, no.639, Heilongjiang Road, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou Times Ruiwei damping equipment Co., Ltd Address before: 412007 No. 18 Haitian Road, Tianyuan District, Hunan, Zhuzhou Patentee before: Zhuzhou Times New Material Technology Co.,Ltd. |