CN207433278U - Novel aluminum alloy transmission shaft - Google Patents
Novel aluminum alloy transmission shaft Download PDFInfo
- Publication number
- CN207433278U CN207433278U CN201721551190.1U CN201721551190U CN207433278U CN 207433278 U CN207433278 U CN 207433278U CN 201721551190 U CN201721551190 U CN 201721551190U CN 207433278 U CN207433278 U CN 207433278U
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- CN
- China
- Prior art keywords
- aluminium alloy
- spline housing
- spline
- sheath
- central siphon
- Prior art date
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Abstract
The utility model is novel aluminum alloy transmission shaft, and including aluminium alloy central siphon, one end of aluminium alloy central siphon is equipped with aluminium alloy universal-joint fork, and the other end is equipped with aluminium alloy spline housing, forms integral structure；Wherein aluminium alloy universal-joint fork is connected by cross axle two with flange york two, and aluminium alloy spline housing is connected with slip shaft yoke with merga pass cross axle one with flange york one；Aluminium alloy spline housing cooperatively forms spline pair with slip shaft yoke, slip shaft yoke is externally provided with sheath, the junction of aluminium alloy spline housing and slip shaft yoke is covered on inside sheath, non-maintaining sheath oil seal is additionally provided between sheath and aluminium alloy spline housing, spline pair is made to form a non-maintaining structure；The spline and outer circle of the aluminium alloy spline housing are equipped with nylon-coating layer, and the thickness of nylon-coating layer is 0.2 ~ 0.4mm.The use of non-maintaining structure extends service life, and need not safeguard, cost-effective.The setting of nylon-coating layer makes it have self lubricating system, and better scheme is made to be non-maintaining.
Description
Technical field
The utility model is related to the transmission shafts in auto parts and components, are specifically novel aluminum alloy transmission shaft.
Background technology
At present, the major part of commercial car transmission shaft uses 45 or 45Cr materials, and weight is larger, as vehicle lightweight will
Ask higher and higher, it is necessary to realize lightweight using new material, aluminum alloy materials density is small, and intensity is higher, is a good choosing
It selects, therefore aluminium driving shaft prospect is very wide.
Application number 201420852655.7, the utility model is related to a kind of aluminum alloy drivings by applying date 2014.12.29
Axis, including slip yoke, flanged yoke, two in symmetrical universal joint and weld yoke, the weld yoke uses aluminium bar forging forming,
Two weld yokes are connected respectively with two universal joints, and one of universal joint is connected with slip yoke, which connects with gearbox
It connects, another universal joint is connected with flanged yoke, which is connected with rear axle；The transmission shaft further includes central siphon, the central siphon
Using the tubing of cold drawn forming, the central siphon is located between two weld yokes being symmetric, and pass through friction welding into
Type is integrated；The weld yoke and central siphon use 6061-T6 aluminum alloy materials；The utility model have it is simple in structure,
Weight mitigates 40-60% on year-on-year basis, and installation is simple and convenient, eliminates intermediate support structure, avoids caused by intermediate support
The characteristics of Vehicular vibration noise.
Although solving the problems, such as weight in above-mentioned patent, central siphon is a monolithic construction, passes through slip yoke solution
Certainly the problem of vibration, when automobile, central siphon can generate stress and torsion in motion, easily transmission shaft be damaged, so having
Defect.
Also current spline pair is non-maintaining structure, and non-maintaining structure is just required to that automobile use can be met
The time limit.
The content of the invention
For the utility model in order to which the non-maintaining structure of spline pair is made to meet the time limit that automobile uses, spy proposes novel aluminum
Alloy transmission shaft.
The technical solution of the utility model is that novel aluminum alloy transmission shaft, including aluminium alloy central siphon, feature exists therefore
In：One end of aluminium alloy central siphon is equipped with aluminium alloy universal-joint fork, and the other end is equipped with aluminium alloy spline housing, forms integral structure；
Wherein aluminium alloy universal-joint fork is connected by cross axle two with flange york two, and aluminium alloy spline housing matches somebody with somebody merga pass with slip shaft yoke
Cross axle one is connected with flange york one；
Aluminium alloy spline housing cooperatively forms spline pair with slip shaft yoke, and slip shaft yoke is externally provided with sheath, by aluminium alloy spline
The junction of set and slip shaft yoke is covered on inside sheath, and non-maintaining sheath oil seal is additionally provided between sheath and aluminium alloy spline housing,
Spline pair is made to form a non-maintaining structure；
The spline and outer circle of the aluminium alloy spline housing are equipped with nylon-coating layer, and the thickness 0.2 of nylon-coating layer ~
0.4mm。
Further improve is：Slip shaft yoke uses hollow-core construction.
Further improve is：The thickness 0.3mm of nylon-coating layer.
Further improve is：Aluminium alloy central siphon, aluminium alloy universal-joint fork and the aluminium alloy spline housing uses
6061 T6 of aluminum alloy materials is made；Aluminium alloy central siphon is coupled by welding manner for one with universal-joint fork and aluminium alloy spline housing
Body.
Advantageous effect：
One end of aluminium alloy central siphon is equipped with aluminium alloy universal-joint fork in the utility model, and the other end is equipped with aluminium alloy spline
Set forms integral structure so that entire transmission shaft mitigates weight, merges simultaneously because aluminium alloy spline housing is matched somebody with somebody with slip shaft yoke
It is connected by cross axle one with flange york one, solving automobile, central siphon can generate stress and torsion in motion, solve central siphon
Vibration, eliminate vibration within the shortest time.
The use of non-maintaining structure extends service life, and need not safeguard, cost-effective.
The setting of nylon-coating layer makes it have self lubricating system, and better scheme is made to be non-maintaining.
Slip shaft yoke uses hollow-core construction, further reduces transmission shaft weight.
Aluminium alloy central siphon, aluminium alloy universal-joint fork and aluminium alloy spline housing are using 6061-T6 aluminum alloy materials, density
It is 1/3rd or so of steel density (7.8x10-6kg/mm3) for 2.7x10-6kg/mm3, under equal volume, weight
It is 30% or so of steel part.
One substitutes two, and weight reduces by 20% ~ 60%；One substitutes two, solves the vehicle caused by intermediate support and shakes
Dynamic problem；Promote vehicle NVH performances；Reduce rotary inertia；Reduce oil consumption.
Description of the drawings
Fig. 1 is the front sectional view of the utility model.
1 is aluminium alloy central siphon in figure, and 2 be aluminium alloy universal-joint fork, and 3 be aluminium alloy spline housing, and 4 be cross axle two, and 5 be prominent
Edge fork two, 6 be slip shaft yoke, and 7 be cross axle one, and 8 be flange york one, and 9 be sheath, and 10 be non-maintaining sheath oil seal, and 11 be Buddhist nun
Imperial overlay.
Specific embodiment
The utility model is as shown in Figure 1.
Novel aluminum alloy transmission shaft, including aluminium alloy central siphon 1, one end of aluminium alloy central siphon 1 is equipped with aluminium alloy universal-joint fork
2, the other end is equipped with aluminium alloy spline housing 3, forms integral structure；Wherein aluminium alloy universal-joint fork 2 by cross axle 24 and is dashed forward
Edge fork 25 is connected, and aluminium alloy spline housing 3 is connected with slip shaft yoke 6 with merga pass cross axle 1 with flange york 1；
Aluminium alloy spline housing 3 cooperatively forms spline pair with slip shaft yoke 6, and slip shaft yoke 6 is externally provided with sheath 9, by aluminium alloy
The junction of spline housing 3 and slip shaft yoke 6 covers on 9 the inside of sheath, is additionally provided between sheath 9 and aluminium alloy spline housing 3 non-maintaining
Sheath oil seal 10 makes spline pair form a non-maintaining structure；
The spline and outer circle of the aluminium alloy spline housing 3 are equipped with nylon-coating layer 11, the thickness 0.2 of nylon-coating layer 11
~0.4mm；The thickness of nylon-coating layer 11 most preferably 0.3mm.
Slip shaft yoke 6 uses hollow-core construction, further reduces transmission shaft weight.
Aluminium alloy central siphon 1, aluminium alloy universal-joint fork 2 and the aluminium alloy spline housing 3 uses aluminum alloy materials 6061
T6 is made；Aluminium alloy central siphon 1 is connected as one with universal-joint fork 2 and aluminium alloy spline housing 3 by welding manner.
Aluminium alloy spline housing 3 uses nylon-coating, it is therefore an objective to the spline wear service life is promoted, first to aluminium alloy spline housing 3
Surface carries out bead, and spray-applied primer, and to promote surface adhesion force, secondly aluminium alloy spline housing 3 is whole is heated to properly
State, spray nylon powder immediately, nylon powder made to be attached to after melting on the spline and outer circle of aluminium alloy spline housing 3, last essence
Whole spline, fine turning outer circle ensure 0.2 ~ 0.4mm of coating layer thickness.
Its coating thickness is that 0.3mm is optimum state.
Claims (4)
1. novel aluminum alloy transmission shaft, including aluminium alloy central siphon, it is characterised in that：One end of aluminium alloy central siphon is equipped with aluminium alloy ten thousand
It is pitched to section, the other end is equipped with aluminium alloy spline housing, forms integral structure；Wherein aluminium alloy universal-joint fork by cross axle two with
Flange york two is connected, and aluminium alloy spline housing is connected with slip shaft yoke with merga pass cross axle one with flange york one；
Aluminium alloy spline housing and slip shaft yoke cooperatively form spline pair, and slip shaft yoke is externally provided with sheath, by aluminium alloy spline housing and
The junction of slip shaft yoke is covered on inside sheath, and non-maintaining sheath oil seal is additionally provided between sheath and aluminium alloy spline housing, makes flower
Key is secondary to form a non-maintaining structure；
The spline and outer circle of the aluminium alloy spline housing are equipped with nylon-coating layer, and the thickness of nylon-coating layer is 0.2 ~ 0.4mm.
2. novel aluminum alloy transmission shaft according to claim 1, it is characterised in that：The slip shaft yoke uses hollow knot
Structure.
3. novel aluminum alloy transmission shaft according to claim 1, it is characterised in that：The thickness of nylon-coating layer is 0.3mm.
4. novel aluminum alloy transmission shaft according to claim 1, it is characterised in that：The aluminium alloy central siphon, aluminium alloy
Universal-joint fork and aluminium alloy spline housing are made of 6061 T6 of aluminum alloy materials；Aluminium alloy central siphon is closed with universal-joint fork and aluminium
Golden spline housing is connected as one by welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551190.1U CN207433278U (en) | 2017-11-20 | 2017-11-20 | Novel aluminum alloy transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721551190.1U CN207433278U (en) | 2017-11-20 | 2017-11-20 | Novel aluminum alloy transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207433278U true CN207433278U (en) | 2018-06-01 |
Family
ID=62286241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721551190.1U Active CN207433278U (en) | 2017-11-20 | 2017-11-20 | Novel aluminum alloy transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207433278U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640028A (en) * | 2017-11-20 | 2018-01-30 | 东风汽车传动轴有限公司 | Novel aluminum alloy power transmission shaft |
| CN109322901A (en) * | 2018-10-25 | 2019-02-12 | 东风商用车有限公司 | A kind of aluminum alloy driving axle assembly and its manufacturing method |
| CN114523272A (en) * | 2022-02-11 | 2022-05-24 | 中信戴卡股份有限公司 | Preparation method of aluminum alloy transmission shaft |
-
2017
- 2017-11-20 CN CN201721551190.1U patent/CN207433278U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640028A (en) * | 2017-11-20 | 2018-01-30 | 东风汽车传动轴有限公司 | Novel aluminum alloy power transmission shaft |
| CN109322901A (en) * | 2018-10-25 | 2019-02-12 | 东风商用车有限公司 | A kind of aluminum alloy driving axle assembly and its manufacturing method |
| CN114523272A (en) * | 2022-02-11 | 2022-05-24 | 中信戴卡股份有限公司 | Preparation method of aluminum alloy transmission shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191203 Address after: 442000 No. 2, Guangdong Road, Shiyan, Hubei Patentee after: Dongfeng Automobile Chassis System Co., Ltd. Address before: No. 76 Dongfeng Road Shiyan 442013 Hubei province Maojian District Patentee before: Dongfeng Motor Propeller Shaft Co., Ltd. |
|
| TR01 | Transfer of patent right |