CN205896087U - Planet tooth cross wheel axle - Google Patents
Planet tooth cross wheel axle Download PDFInfo
- Publication number
- CN205896087U CN205896087U CN201620726418.5U CN201620726418U CN205896087U CN 205896087 U CN205896087 U CN 205896087U CN 201620726418 U CN201620726418 U CN 201620726418U CN 205896087 U CN205896087 U CN 205896087U
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- CN
- China
- Prior art keywords
- planetary gear
- oil guide
- guide groove
- tooth cross
- planet tooth
- 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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Abstract
The utility model discloses a planet tooth cross wheel axle, two planetary gear axles including the mutually perpendicular connection, the both ends of planetary gear axle are fixed on the differential mechanism casing, its be equipped with with differential side gear cooperation planetary gear, planetary gear axle and planetary gear's cooperation position is equipped with leads the oil groove planetary gear axle middle section is equipped with the recess of stepping down, two planetary gear axles are connected perpendicularly, and the recess intermeshing of two planetary gear axles, and the axis of two planetary gear axles is in same horizontal plane, capable star wheel axle of many plays and two planet bevel gears can be fine share pressure and wearing and tearing, make that its operation is more stable, life is more permanent, lead the oil groove and has guaranteed the planetary gear axle and in the good self -lubricating that the operation in -process can both obtain, avoid because of phenomenons such as lubricated inordinate wear that harmfully brings and fractures, moreover, this kind of structure lead intensity and the rigidity that the oil groove can not weaken planetary gear axle itself yet.
Description
Technical field
This utility model is related to field of gears, the planet tooth cross wheel shaft of more particularly, to a kind of differential mechanism.
Background technology
Planetary gear shaft is important parts in automobile differential, and it is connected to differential casing and planetary gear, makees
With being to transmit torque to planetary gear, realize the distribution of torque, so that realizing differential operating.Because the making of planetary gear shaft
More severe with operating mode, for guaranteeing its running accuracy, safety and service life, it is necessary to assure planetary gear shaft has higher resistance to
Mill property, corrosion resistance, intensity and toughness, and good lubrication can be obtained.
After existing planetary gear shaft carburizing and quenching, surface free any painting plating, and oil guide structure is the flat of milling
Face structure, Oil Guide and oil storage effect are poor, and planetary gear shaft can produce substantial amounts of heat energy because of friction in differential mechanism operation process,
Inordinate wear, ablation and fracture etc. are occurred due to planetary gear shaft intensity, toughness, wearability, corrosion resistance and lack of lubrication
Phenomenon, has a strong impact on serviceability and the life-span of differential assembly.
Utility model content
The purpose of this utility model is to provide a kind of planet tooth cross wheel shaft, with overcome the planetary gear shaft of prior art by
The problems such as the inordinate wear that intensity, toughness, wearability, corrosion resistance and lack of lubrication occur, ablation and fracture.
In order to solve above-mentioned technical problem, this utility model provides a kind of planet tooth cross wheel shaft, including being mutually perpendicular to
Two planetary gear shafts connecting, the two ends of described planetary gear shaft are fixed on differential casing, and it is provided with and axle shaft gear
Cooperation planetary gear, described planetary gear shaft and planetary matching part are provided with oil guide groove.
Preferably, described oil guide groove is u shape groove.
Preferably, described oil guide groove be cross together left-turn spiral arrangement oil guide groove and right hand helix arrangement lead
Oil groove.
Preferably, the oil guide groove of the oil guide groove of described left-turn spiral arrangement and right hand helix arrangement intersection tangent line it
Between angle be 60 °.
Preferably, described oil guide groove is joined with planetary gear more than planetary gear shaft in the length of planetary gear shaft axis direction
Close the length at position.
Preferably, the material of described planetary gear shaft is carburizing steel.
Preferably, described planetary gear shaft is processed through carburizing and quenching.
Preferably, the surface of described planetary gear shaft is through phosphoric acid wear resistance.
Preferably, the thickness of the phosphate coating on the surface of described planetary gear shaft is more than or equal to 0.06mm.
The planet tooth cross wheel shaft of two planet wheel spindles 4 of this utility model composition compares single shaft, it is a many planetary gear
Axle 4, and two planetary bevel gears 3 can be installed in have more planet wheel spindle 4 two ends；Summary, have more a planet wheel spindle 4 He
Two planetary bevel gears 3 can be very good to share pressure and abrasion so as to run more stable, service life more permanent；
Planetary gear shaft arranges the Oil Guide of the arrangement of the left-turn spiral together with crossing at it with the position of planetary gear cooperation
The oil guide groove of groove and right hand helix arrangement is it is ensured that planetary gear shaft is either left-handed or can in dextrorotation operation process
The good self-lubricating obtaining, it is to avoid the phenomenon such as the inordinate wear bringing because of insufficient lubrication and fracture, and, the leading of this structure
Oil groove also will not weaken the strength and stiffness of planetary gear shaft itself；The material of planetary gear shaft is for carburizing steel and through carburizing and quenching
Process, its surface is hard and wear-resisting, internal tough and tensile, improve wearability and the toughness of planetary gear shaft；Planetary gear shaft
Surface through phosphoric acid wear resistance, phosphating coat crystal has good anti-wear, block resistance and lubricating oil absorption property,
Can prevent from rotating and grind contact fusion between break-in initial stage metal for the dynamic portion faces and spread, inhibit to a certain extent
The possibility of planetary gear shaft early stage adhesion, and phosphating process is simple, low cost, efficiency high；Planetary gear shaft of the present utility model
Significantly improve performance, safety and the service life of product, its overall structure is simple, produce and easy to process it is easy to batch
Produce and promote.
Brief description
Fig. 1 is the structural representation of the real planetary gear shaft of this utility model；
Fig. 2 is the assembling schematic diagram of planet tooth cross wheel shaft of the present utility model and differential mechanism；
Fig. 3 is structural representation of the present utility model.
In figure, 1: left half axle；2: axle shaft gear；3: planetary bevel gear；4: planetary gear shaft；5: differential casing；6: right
Semiaxis；41: oil guide groove；42: groove.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further.Here it should be noted that
Explanation for these embodiments is used to help understand this utility model, but does not constitute to restriction of the present utility model.This
Outward, as long as involved technical characteristic in each embodiment of this utility model disclosed below does not constitute conflict each other
Just can be mutually combined.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of planet tooth cross wheel shaft, including two planetary gear shafts being mutually connected vertically
4, the two ends of planetary gear shaft 4 are fixed on differential casing 5, and planetary gear shaft 4 can rotate with differential casing 5, OK
The two ends of star gear shaft 4 further respectively have planetary bevel gear 3, and planetary bevel gear 3 can be engaged with planetary gear shaft 4, carry out relatively
Rotate, planetary bevel gear 3 is matched with the axle shaft gear 2 on left half axle 1 and right axle shaft 6 respectively, differential casing 5 drives planet
Gear shaft 4 rotates, and planetary gear shaft 4 drives planetary gear 3 to rotate again, planetary bevel gear 3 half axle gear with the left and right sides respectively
Wheel 2 cooperation makes left half axle 1 and right axle shaft 6 rotate, and when left half axle 1 and right axle shaft 6 have speed discrepancy, axle shaft gear is passed through in torque
2 transmission, planetary gear 3 carries out rotation while revolve round the sun with planetary gear shaft 4, now planetary gear 3 and planetary gear shaft 4 it
Between produce moment of friction.
As shown in figure 1, the planetary gear shaft 4 of the present embodiment is provided with oil guide groove at it with the matching part of planetary bevel gear 3
41, the cross section of oil guide groove 41 is u shape, and it is the oil guide groove and right hand helix arrangement that the left-turn spiral crossing together is arranged
Oil guide groove, and folder between the tangent line of intersection for the oil guide groove of the oil guide groove of described left-turn spiral arrangement and right hand helix arrangement
Angle is preferably 60 °, and the oil guide groove 41 of this structure ensure that planetary gear shaft 4 either left-handed or in dextrorotation operation process
In all getable good self-lubricating, it is to avoid the phenomenon such as the inordinate wear bringing because of insufficient lubrication and fracture, and, this knot
The oil guide groove of structure also will not weaken the strength and stiffness of planetary gear shaft itself；The concrete structure size of oil guide groove 41 can design
For: groove depth 0.5mm, groove width 1mm, gullet radius 0.4mm, the oil guide groove of described left-turn spiral arrangement and right hand helix arrangement
Oil guide groove intersection spacing be 6.25mm；Oil guide groove 41 is more than planet tooth in the length of planetary gear shaft 4 axis direction
Wheel shaft 4 and the length of planetary gear 3 matching part, the length range that it exceeds can be designed as 10mm～15mm, this Oil Guide
The set-up mode of groove 41 may insure that lubricating oil can smoothly enter in oil guide groove 41, reduces processing cost it is ensured that producing again
The strength and stiffness of product are not impaired.
Preferably, described planetary gear shaft 4 stage casing is provided with resigning groove 42；Two planetary gear shafts 4 vertically connect, and two
The groove 42 of root planetary gear shaft 4 engages each other, and the axis of two planetary gear shafts 4 is in same level；Two planetary gears
The planet tooth cross wheel shaft of axle 4 composition compares single shaft, it is a many planet wheel spindle 4, and have more planet wheel spindle 4 two ends
Two planetary bevel gears 3 can be installed；Summary, have more a planet wheel spindle 4 and two planetary bevel gears 3 can be very good to share
Pressure and abrasion are so as to run more stable, service life more permanent.
Preferably, the upper and lower surface of the edges at two ends of planetary gear shaft 4 be plane, be easy to planetary gear shaft 4 install spacing
In differential casing 5 setting mounting groove in.
The material of the planetary gear shaft 4 of the present embodiment adopts carburizing steel, and through carburizing (carburized (case) depth 0.9mm～
1.2mm) Quenching Treatment, its case hardness can reach hrc58～63, and inner core hardness can reach hrc33～45, surface
Hard and wear-resisting, internal tough and tensile, improve wearability and the toughness of planetary gear shaft 4.
Preferably, the surface of described planetary gear shaft 4 is through phosphoric acid wear resistance, and the thickness of phosphate coating is more than or equal to
0.06mm.
Phosphating coat crystal has good anti-wear, block resistance and lubricating oil absorption property, can prevent from rotating and grind
Contact between break-in initial stage metal for the dynamic portion faces is merged and is spread, and inhibits planetary gear shaft early stage to a certain extent
The possibility of adhesion, and phosphating process is simple, low cost, efficiency high.
Planetary gear shaft of the present utility model significantly improves product by having the feature that above-described embodiment is introduced
Performance, safety and service life, its overall structure is simple, produce and easy to process it is easy to batch production and promoting.
Claims (7)
1. a kind of planet tooth cross wheel shaft, including two planetary gear shafts it is characterised in that: described planetary gear shaft stage casing is provided with
Resigning groove, two planetary gear shafts vertically connect, and the groove of two planetary gear shafts engages each other, two planetary gear shafts
Axis be in same level.
2. planet tooth cross wheel shaft according to claim 1 it is characterised in that: described planetary gear shaft and two planet teeth
Wheel matching part be equipped with oil guide groove, described oil guide groove planetary gear shaft axis direction length be more than planetary gear shaft with
The length of planetary gear matching part.
3. planet tooth cross wheel shaft according to claim 2 it is characterised in that: described oil guide groove be u shape groove.
4. planet tooth cross wheel shaft according to claim 3 it is characterised in that: described oil guide groove is the left side crossing together
The oil guide groove of rotation screw arrangement and the oil guide groove of right hand helix arrangement.
5. planet tooth cross wheel shaft according to claim 4 it is characterised in that: the oil guide groove of described left-turn spiral arrangement and
Angle between the tangent line of intersection for the oil guide groove of right hand helix arrangement is 60 °.
6. planet tooth cross wheel shaft according to claim 1 it is characterised in that: the material of described planetary gear shaft be carburizing
Steel.
7. a kind of differential mechanism it is characterised in that: include claim 1 described in planet tooth cross wheel shaft, described planet tooth cross
The two ends of wheel shaft are fixed on differential casing, which is provided with the planetary gear with axle shaft gear cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620726418.5U CN205896087U (en) | 2016-07-05 | 2016-07-05 | Planet tooth cross wheel axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620726418.5U CN205896087U (en) | 2016-07-05 | 2016-07-05 | Planet tooth cross wheel axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896087U true CN205896087U (en) | 2017-01-18 |
Family
ID=57771296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620726418.5U Active CN205896087U (en) | 2016-07-05 | 2016-07-05 | Planet tooth cross wheel axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205896087U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747100A (en) * | 2019-10-31 | 2021-05-04 | 江苏太平洋精锻科技股份有限公司 | Straight shaft |
| CN113565941A (en) * | 2021-06-01 | 2021-10-29 | 浙江盘毂动力科技有限公司 | High integrated structure of differential mechanism and motor |
-
2016
- 2016-07-05 CN CN201620726418.5U patent/CN205896087U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747100A (en) * | 2019-10-31 | 2021-05-04 | 江苏太平洋精锻科技股份有限公司 | Straight shaft |
| CN113565941A (en) * | 2021-06-01 | 2021-10-29 | 浙江盘毂动力科技有限公司 | High integrated structure of differential mechanism and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190514 Address after: 317507 No. 88 Liancheng Road, Xiaoheng Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Yizheng Machinery Co., Ltd. Address before: 317525 Changle Village, Yuheng Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: WENLING RONG SHEN MACHINE PARTS FACTORY |