CN201145020Y - External meshing planetary gear type torque distributor - Google Patents
External meshing planetary gear type torque distributor Download PDFInfo
- Publication number
- CN201145020Y CN201145020Y CNU2008200974969U CN200820097496U CN201145020Y CN 201145020 Y CN201145020 Y CN 201145020Y CN U2008200974969 U CNU2008200974969 U CN U2008200974969U CN 200820097496 U CN200820097496 U CN 200820097496U CN 201145020 Y CN201145020 Y CN 201145020Y
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- gear
- planet
- wheel
- driven gear
- wheels
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Abstract
The utility model relates to an external gearing planet gear type torque divider. The torque divider comprises a driven gear, a planet carrier, a front sun wheel, a back sun wheel, four front planet wheels and back planet wheels and eight star-wheel shafts, etc., wherein the driven gear which is a cylindrical bevel gear is engaged with an intermediate shaft gear of a transfer case; the planet carrier is in rigid connection with the driven gear; the star-wheel shafts are arranged between the planet carrier and the driven gear; the front and the back sun wheels are arranged in the planet carrier and have different pitch radiuses; the front and the back planet wheels are arranged on the star-wheel shafts respectively, the middle parts of which are provided with needle roller bearings; the front planet wheels are simultaneously engaged with the back planet wheels and the front sun wheel, and the back planet wheels are simultaneously engaged with the front planet wheels and the back sun wheel, and the front and the back sun wheels which are connected by a spline transmit power to a front and a back driving axles by a front half axle and a back half axle. The torque divider has the advantages of bigger transmitting torque, smaller torque distribution ratio for front and back driving axles, compact structure and good manufacturability, and is applied to commonly used four-wheel driven special vehicles.
Description
Technical field
The utility model relates to the transfer case technology of vehicle.
Background technique
For the different vehicle of each ransaxle torque of ask for something (being the driving gear input torque), the power of motor must be delivered to forward and backward bridge respectively through speed changer, transfer case.At present more common mode is that power is distributed to the front and back bridge by a certain percentage through the torque type compensating gear that do not wait of transfer case, and what do not wait that the torque type compensating gear uses always is asymmetric formula bevel differential and internal-gearing planet gear formula torque divider.They all have narrow limitation separately, and asymmetric formula bevel differential torque transmitted is little, and manufacturability is poor; Internal-gearing planet gear formula torque divider complex structure, the torque distribution large percentage.For four-wheel drive special vehicle often, require in the transfer case differential mechanism torque transmitted bigger, forward and backward bridge torque distribution ratio is less, and traditional mode of structure is just inapplicable.
Summary of the invention
The purpose of this utility model is the deficiency at the prior art existence, propose that a kind of to have a transmitting torque bigger, the outer gearing planetary gear type torque divider that forward and backward bridge torque distribution ratio is less, compact structure, good manufacturability is applicable to the various special vehicles of four-wheel drive often.
The technical solution of the utility model is as follows:
A kind of outer gearing planetary gear type torque divider, it includes a driven gear, planet carrier, preceding sun gear, rear sun gear, four preceding planet wheels, back planet wheel, eight spider gear shafts, needle bearing and four connecting bolts.Wherein, driven gear is a cylindric spiral gear, be meshed with the countershaft-gear of transfer case, planet carrier is rigidly connected by connecting bolt and driven gear, spider gear shaft is installed between planet carrier and the driven gear, before, rear sun gear is installed in the planet carrier, before, the Pitch radius difference of rear sun gear, preceding planet wheel, back planet wheel is contained on the spider gear shaft respectively, needle bearing is equipped with in the centre, and preceding planet wheel meshes with back planet wheel and preceding sun gear simultaneously, back planet wheel while and preceding planet wheel and rear sun gear engagement, before, spline is arranged, in the rear sun gear before spline connection warp, back semiaxis with power pass on to before, back driving axle.All there is the bearing step outer end of driven gear and planet carrier, can be installed on the housing by bearings.
The working principle of this torque divider:
Power passes to driven gear by jack shaft, drives planet carrier and rotates synchronously, and is current, when back axle rotates with same rotational speed, and preceding planet wheel and back planet wheel are around semiaxis rotational-revolution; When forward and backward bridge rotated with different rotating speeds, preceding planet wheel and back planet wheel were when doing above-mentioned revolution, also around spider gear shaft rotational-rotation.Therefore, this torque divider has the characteristics of open differential.Make forward and backward sun gear torque transmitted difference owing to the Pitch radius of forward and backward sun gear is different, thereby realize forward and backward sedan-chair definite value torque distribution, and can more among a small circle in, adjust the ratio of distribution.
The utility model has the advantages that: adopted outer gearing planetary gear type layout, optimized the structure that does not wait the torque type compensating gear, bearing capacity is strong, good manufacturability, and volume is little, and is in light weight, and the effect of existing open differential again can be by less pro rate torque.
This torque divider is specially adapted to forward and backward bridge torque differences and uses on the little special vehicle of four-wheel drive often.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Describe structure of the present utility model in detail below in conjunction with accompanying drawing:
Referring to Fig. 1, this torque divider has a driven gear 1, planet carrier 5, preceding sun gear 6, rear sun gear 7, the preceding planet wheel of planet wheel 3 after four, four 8, eight spider gear shafts 4, eight needle bearings 9 and four connecting bolts 2.Driven gear 1 is a cylindric spiral gear, be meshed with the countershaft-gear of transfer case, planet carrier 5 is rigidly connected by connecting bolt 2 and driven gear 1, spider gear shaft 4 is installed between planet carrier 5 and the driven gear 1, preceding sun gear 6 and rear sun gear 7 are installed in the planet carrier 5, have different Pitch radiuss.Back planet wheel 3, preceding planet wheel 8 are contained in respectively on the spider gear shaft 4, needle bearing 9 is equipped with in the centre, back planet wheel 3 meshes with preceding planet wheel 8 and rear sun gear 7 simultaneously, preceding 8 whiles of planet wheel and back planet wheel 3 and 6 engagements of preceding sun gear, in the forward and backward sun gear spline is arranged, connect by spline and power is passed on to forward and backward ransaxle through forward and backward semiaxis.All there is the bearing step outer end of driven gear 1 and planet carrier 5, can be installed on the housing by bearings.
Claims (1)
1, outer gearing planetary gear type torque divider is characterized in that: it comprises a driven gear, planet carrier, preceding sun gear, rear sun gear, four preceding planet wheels, back planet wheel, eight spider gear shafts, needle bearing and four connecting bolts; Described driven gear is a cylindric spiral gear, is meshed with the countershaft-gear of transfer case, and planet carrier is rigidly connected by connecting bolt and driven gear; Spider gear shaft is installed between planet carrier and the driven gear; Forward and backward sun gear is installed in the planet carrier, the Pitch radius difference of forward and backward sun gear; Preceding planet wheel, back planet wheel are contained in respectively on the spider gear shaft, and needle bearing is equipped with in the centre; Preceding planet wheel while and back planet wheel and the engagement of preceding sun gear, back planet wheel while and preceding planet wheel and rear sun gear mesh, and in the forward and backward sun gear spline are arranged, and power are passed on to forward and backward ransaxle through forward and backward semiaxis by the spline connection; All there is the bearing step outer end of driven gear and planet carrier, is installed on the housing by bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200974969U CN201145020Y (en) | 2008-01-17 | 2008-01-17 | External meshing planetary gear type torque distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200974969U CN201145020Y (en) | 2008-01-17 | 2008-01-17 | External meshing planetary gear type torque distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145020Y true CN201145020Y (en) | 2008-11-05 |
Family
ID=40081897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200974969U Expired - Lifetime CN201145020Y (en) | 2008-01-17 | 2008-01-17 | External meshing planetary gear type torque distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145020Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577841A (en) * | 2020-05-19 | 2020-08-25 | 于永利 | External-engagement planetary gear type output power amplifier |
-
2008
- 2008-01-17 CN CNU2008200974969U patent/CN201145020Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577841A (en) * | 2020-05-19 | 2020-08-25 | 于永利 | External-engagement planetary gear type output power amplifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING JIANG TONG MACHINERY CO., LTD. Free format text: FORMER OWNER: CHONGQING DAJIANG INDUSTRY (GROUP) CO., LTD. Effective date: 20090828 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090828 Address after: Technical center, 107 headquarters building, fishing cave Town, Banan District, Chongqing, China: 401321 Patentee after: Chongqing Jiangtong Machinery Co., Ltd. Address before: Technical management department of Chongqing Dajiang industry (Group) Co., Ltd., Chongqing fishing area, Banan District, China: 401321 Patentee before: Chongqing Dajiang Industries (Group) Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING DAJIANG INDUSTRY CO., LTD. Free format text: FORMER OWNER: CHONGQING JIANGTONG MACHINERY CO., LTD. Effective date: 20100514 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 401321 TECHNOLOGY CENTER, HEADQUARTERS BUILDING, NO.107, YUTONG TOWN, BANAN DISTRICT, CHONGQING CITY. TO: 401321 DAJIANG INDUSTRIAL PARK, BANAN DISTRICT, CHONGQING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100514 Address after: 401321 Dajiang Industrial Zone, Banan District, Chongqing Patentee after: Chongqing Dajiang Industrial Co., Ltd. Address before: 401321 technical center, 107 headquarters building, fishing cave Town, Banan District, Chongqing Patentee before: Chongqing Jiangtong Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081105 |