CN204186976U - A kind of two oil pump transfer case - Google Patents
A kind of two oil pump transfer case Download PDFInfo
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- CN204186976U CN204186976U CN201420649427.XU CN201420649427U CN204186976U CN 204186976 U CN204186976 U CN 204186976U CN 201420649427 U CN201420649427 U CN 201420649427U CN 204186976 U CN204186976 U CN 204186976U
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- casing
- oil pump
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- transfer case
- shaft
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Abstract
The utility model relates to a kind of two oil pump transfer case, comprise casing and be arranged on input shaft in casing, low gear gear, the first sliding gear collar, high gear gear, jack shaft, front output shaft, the second sliding gear collar, differential divide and turn round device, rear output shaft.Its main points are: input shaft is set up the first oil pump and the second oil pump, and casing is S shape structure, and casing external casing is provided with cooling unit, has additional spray bar in casing.The utility model compact structure, easy to manufacture, easy to operate, reliability is high, applied range, the two oil pump lubrication adopted and external refrigeration, eliminate the transfer case defect that lubrication is difficult and temperature is too high when horizontal installation and confined space use, the casing of S type structure, shorten axial distance, casing is provided with vertical fitting seat and horizontal fitting seat, transfer case can also can horizontally be installed in vertical installation, eliminate the defect that transfer case mounting inclination angle degree can not be excessive, improve flexibility and the versatility of transfer case installation.
Description
Technical field
The utility model relates to a kind of transfer case, is specifically related to a kind of two oil pump transfer case.
Background technique
In recent years, the wheeled armored combat vehicle that mobility is excellent is one of Main Trends of The Development on armored combat vehicle market, the world.In order to reach the object of all-wheel drive, wheeled armored combat vehicle needs after speed changer, set up a transfer case, and improve the stability travelled, very low by engine arrangement in order to the center of gravity reducing armored vehicle, therefore need the centre distance of the transfer case used the smaller the better.The transfer case of heavy goods vehicles in the market is mainly applicable to offroad vehicle and wheeled crane, and centre distance is comparatively large, and mounting type is single; Next is this transfer case lubrication and cooling weak effect, easily causes casing to generate heat, and impact travels.
Summary of the invention
The purpose of this utility model is the shortcoming that will overcome above-mentioned transfer case, provide a kind of compact structure, long service life, maintenance cost low, can vertically also can horizontally install, two oil pump transfer cases that input torque is large.
Of the present utility model pair of oil pump transfer case, comprise casing and be arranged on input shaft in casing, low gear gear, the first sliding gear collar, high gear gear, jack shaft, propons output shaft, the second sliding gear collar, differential divide and turn round device and back axle output shaft, it is characterized in that: the external casing of described casing has additional cooling unit, spray bar is had additional in casing, spray bar is provided with nozzle opening, one end of spray bar is filler opening, and the other end plug seals; Described input shaft has additional the first oil pump and the second oil pump, the oil outlet of the first oil pump is connected with the inner chamber of jack shaft with input shaft; The oil outlet of the second oil pump connects with the filler opening of external refrigeration device, and the oil outlet of cooling unit connects with the filler opening of the spray bar in casing; First oil pump is connected by oil pipe with the inlet port on casing with the filler opening of the second oil pump.
In order to better realize above-mentioned purpose:
Described transfer case external shape and inner-cavity structure are S shape structure.
Described casing is also provided with vertical fitting seat and horizontal fitting seat.
Of the present utility model pair of oil pump transfer case, compact structure, easy to manufacture, easy to operate, reliability is high, applied range; The two oil pump lubrication systems adopted have played lubrication and cooling effect simultaneously, eliminate the transfer case defect that lubrication is difficult and temperature is too high when horizontal installation and confined space use; The S type overall structure of transfer case, substantially reduces the axial distance of transfer case input interface and back axle output interface, is convenient to main engine factory and selects transmission shaft; Casing is provided with vertical fitting seat and horizontal fitting seat, and transfer case can also can horizontally be installed in vertical installation, eliminates the defect that transfer case mounting inclination angle degree can not be excessive, improves flexibility and the versatility of transfer case installation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of casing.
In figure: 1, speed changer, 2, input shaft, 3, low gear gear, 4, jack shaft, 5, planet carrier, 6, planet wheel, 7, sun gear, the 8, second sliding gear collar, 9, propons, 10, propons output shaft, 11, ring gear, 12, planet carrier cover plate, 13, back axle, 14, back axle output shaft, 15, follower, 16, spray bar, 17, the first sliding gear collar, 18, high gear gear, the 19, first oil pump, 20, the second oil pump, 21, casing, 22, cooling unit, 23, vertical fitting seat, 24, horizontal fitting seat, 25, inlet port.
Embodiment
Of the present utility model pair of oil pump transfer case, comprise casing 21 and be arranged on input shaft 2 in casing 21, low gear gear 3, first sliding gear collar 17, high gear gear 18, jack shaft 4, propons output shaft 10, second sliding gear collar 8, differential divide and turn round device and back axle output shaft 14.The external casing of casing 21 has additional cooling unit 22, and be fixed on casing 21 by screw.Have additional spray bar 16 in casing 21, spray bar 16 is provided with nozzle opening, and one end of spray bar 16 is filler opening, and the other end plug seals.Spray bar 16 is inserted in casing 21 by the mounting hole on casing 21, is sealed between spray bar 16 and mounting hole by seal ring.The oil outlet of the first oil pump 19 that input shaft 2 is set up is connected by oil pipe with the inner chamber of input shaft 2 with jack shaft 4.The oil outlet of the second oil pump 20 that input shaft 2 is set up connects by oil pipe with the filler opening of the spray bar 16 on casing 21 with the filler opening of external refrigeration device 22, the oil outlet of cooling unit 22, and the first oil pump 19 is connected by oil pipe with the inlet port 25 on casing 21 with the filler opening of the second oil pump 20.
For making transfer case small volume structure compact, transfer case external shape and inner space are S shape structure.
For convenience of installing, casing 21 is also provided with vertical fitting seat 23 and horizontal fitting seat 24.
Input shaft 2 and low gear gear 3, first sliding gear collar 17, high gear gear 18 form high to low gear gearshift; Propons output shaft 10 and planet carrier 5, planet wheel 6, sun gear 7, ring gear 11, planet carrier lid 12, follower 15, back axle output shaft 14 form differential and divide and turn round device.Propons output shaft 10 and planet carrier 5, second sliding gear collar 8 form differential lock gearshift; First oil pump 19 and casing 21, input shaft 2, jack shaft 4, low gear gear 3, high gear gear 18 form built-in circulating lubrication oil circuit; Second oil pump 20 and casing 21, cooling unit 22, spray bar 16 form external circulating lubrication oil circuit.
Of the present utility model pair of oil pump transfer case is work like this:
Lubrication system works: speed changer drives the input shaft 2 of transfer case to turn clockwise, input shaft 2 drives the first oil pump 19 of being connected and the second oil pump 20 to rotate, first oil pump 19 is from the inlet port 25 pump oil of casing 21, oil flows into the inner chamber of input shaft 2 and jack shaft 4 from the oil outlet of the first oil pump 19 respectively, flow out from the oil groove input shaft 2, lubrication high gear gear 18 and low gear gear 3, inner chamber simultaneously through jack shaft 4 flows out from the left end of jack shaft 4, the bearing at lubrication jack shaft 4 two ends, lubricant oil finally flows back to bottom casing 21; Second oil pump 20 is oily to cooling unit 22 from inlet port 25 pump of casing 21, and lubricant oil flow to spray bar 16 after cooling, and sprayed the inner chamber of lubrication casing 21 by the nozzle opening on spray bar 16, lubricant oil finally flows back to bottom casing 21.
Driving system works: when road conditions are good, control to engage with high gear gear 18 with the first sliding gear collar 17 of input shaft 2 often engagement by pneumatic manoeuvring system, high gear gear 18 drives jack shaft 4 successively, follower 15 rotates, divided by differential and turn round device by transmission of power to propons output shaft 10 and back axle output shaft 14, improve output speed.
Road conditions poor or climbing time, control the first sliding gear collar 17 by pneumatic manoeuvring system to engage with low gear gear 3, low gear gear 3 drives jack shaft 4 successively, follower 15 rotates, and is divided and turns round device by transmission of power to propons output shaft 10 and back axle output shaft 14, increase output torque by differential.
When skidding appears in wheel, control to engage with planet carrier 5 with the second sliding gear collar 8 of propons output shaft 10 often engagement by pneumatic manoeuvring system, follower 15 drives planet carrier 5 to rotate, planet carrier 5 drives planet wheel 6 to rotate, planet wheel 6 drives ring gear 11 and sun gear 7 to rotate respectively, now planet wheel not rotation, ring gear 11 is consistent with sun gear 7 rotating speed, whole differential divides that to turn round device locked, front and back output speed is identical, moment of torsion is distributed according to need, and enhances the traction of automobile, realizes vehicle cross-country run.
Under normal circumstances, second sliding gear collar 8 is separated with planet carrier 5, follower 15 drives planet carrier 5 to rotate, planet carrier 5 drives planet wheel 6 to carry out revolving round the sun and rotation, and planet wheel 6 drives ring gear 11 and sun gear 7 to rotate respectively, and ring gear 11 drives back axle output shaft 14 to rotate, sun gear 7 drives propons output shaft 10 to rotate, whole differential divides turns round device running, and front-rear axle exports by fixed proportion distribute torque and differential voluntarily, reduces the friction on tire and ground.
Claims (3)
1. a two oil pump transfer case, comprise casing (21) and be arranged on the input shaft (2) in casing (21), low gear gear (3), first sliding gear collar (17), high gear gear (18), jack shaft (4), propons output shaft (10), second sliding gear collar (8), differential divides turns round device and back axle output shaft (14), it is characterized in that: the external casing of described casing (21) has additional cooling unit (22), spray bar (16) is had additional in casing (21), spray bar (16) is provided with nozzle opening, one end of spray bar (16) is filler opening, the other end plug seals, described input shaft (2) has additional the first oil pump (19) and the second oil pump (20), the same input shaft of oil outlet (2) of the first oil pump (19) is connected with the inner chamber of jack shaft (4), the oil outlet of the second oil pump (20) connects with the filler opening of external refrigeration device (22), and the filler opening of the spray bar (16) in the same casing of oil outlet (21) of cooling unit (22) connects, first oil pump (19) is connected by oil pipe with the inlet port (25) on casing (21) with the filler opening of the second oil pump (20).
2. transfer case according to claim 1, is characterized in that: the outside of described transfer case and cavity shape are S shape structure.
3. transfer case according to claim 1, is characterized in that: described casing (21) is also provided with vertical fitting seat (23) and horizontal fitting seat (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649427.XU CN204186976U (en) | 2014-11-04 | 2014-11-04 | A kind of two oil pump transfer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649427.XU CN204186976U (en) | 2014-11-04 | 2014-11-04 | A kind of two oil pump transfer case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186976U true CN204186976U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420649427.XU Active CN204186976U (en) | 2014-11-04 | 2014-11-04 | A kind of two oil pump transfer case |
Country Status (1)
| Country | Link |
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| CN (1) | CN204186976U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110333A (en) * | 2015-01-13 | 2017-08-29 | 大众汽车有限公司 | Oil pump device for motor vehicle |
| CN109163060A (en) * | 2018-09-17 | 2019-01-08 | 潍坊泰山拖拉机有限公司 | A kind of used with tractor transfer case |
| CN113883248A (en) * | 2021-11-30 | 2022-01-04 | 江苏汇智高端工程机械创新中心有限公司 | Transfer case for modular all-terrain crane |
-
2014
- 2014-11-04 CN CN201420649427.XU patent/CN204186976U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110333A (en) * | 2015-01-13 | 2017-08-29 | 大众汽车有限公司 | Oil pump device for motor vehicle |
| CN109163060A (en) * | 2018-09-17 | 2019-01-08 | 潍坊泰山拖拉机有限公司 | A kind of used with tractor transfer case |
| CN113883248A (en) * | 2021-11-30 | 2022-01-04 | 江苏汇智高端工程机械创新中心有限公司 | Transfer case for modular all-terrain crane |
| CN113883248B (en) * | 2021-11-30 | 2022-02-25 | 江苏汇智高端工程机械创新中心有限公司 | Transfer case for modular all-terrain crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Pengyuan Inventor after: Guo Xuejun Inventor after: Chen Feng Inventor after: Pang Tao Inventor after: Yu Wei Inventor after: Deng Tengfei Inventor after: Wu Guocheng Inventor after: Zhou Changbo Inventor before: Wu Yongfa Inventor before: Wei Jin Inventor before: Liu Bo Inventor before: Yi Wen Inventor before: Yang Chuanbao Inventor before: Yan Yang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU YONGFA WEI JIN LIU BO YI WEN YANG CHUANBAO YAN YANG TO: ZHANG PENGYUAN GUO XUEJUN CHEN FENG PANG TAO YU WEI DENG TENGFEI WU GUOCHENG ZHOU CHANGBO |