CN103727182A - Four-wheel-drive transfer case - Google Patents

Four-wheel-drive transfer case Download PDF

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Publication number
CN103727182A
CN103727182A CN201310696791.1A CN201310696791A CN103727182A CN 103727182 A CN103727182 A CN 103727182A CN 201310696791 A CN201310696791 A CN 201310696791A CN 103727182 A CN103727182 A CN 103727182A
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CN
China
Prior art keywords
gear
shaft
bearing
propons
power shift
Prior art date
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Granted
Application number
CN201310696791.1A
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Chinese (zh)
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CN103727182B (en
Inventor
刘光兵
刘宁
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CHANGSHA JIANING AGRICULTURAL MACHINERY MANUFACTURING Co Ltd
Original Assignee
CHANGSHA JIANING AGRICULTURAL MACHINERY MANUFACTURING Co Ltd
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Application filed by CHANGSHA JIANING AGRICULTURAL MACHINERY MANUFACTURING Co Ltd filed Critical CHANGSHA JIANING AGRICULTURAL MACHINERY MANUFACTURING Co Ltd
Priority to CN201310696791.1A priority Critical patent/CN103727182B/en
Publication of CN103727182A publication Critical patent/CN103727182A/en
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Expired - Fee Related legal-status Critical Current
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
    • F16H2057/02052—Axle units; Transfer casings for four wheel drive

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention discloses a four-wheel-drive transfer case which comprises a case body, a front shifting fork, a rear shifting fork, an input shaft, an oil pump drive, an intermediate shaft, a front axle drive output shaft and a rear axle drive output shaft. The input shaft is arranged above the case body, the oil pump drive is arranged above the right side of the case body, the left end of the oil pump drive is connected with the right end of the input shaft through a bearing, a first shifting gear and a second shifting gear are arranged on the input shaft, the intermediate shaft is positioned in the middle of the case body, a first intermediate gear and a second intermediate gear are arranged on the intermediate shaft, the front axle drive output shaft is positioned on the left side below the case body, a front axle drive gear is arranged on the front axle drive output shaft, the rear axle drive output shaft is positioned on the right side below the case body, a rear axle drive gear is arranged on the rear axle drive output shaft, the front shifting fork is coupled with the first shifting gear which is meshed with the first intermediate gear, the rear shifting fork is coupled with the second shifting gear which is meshed with the second intermediate gear, the first intermediate gear is meshed with the front axle drive gear, and the second intermediate gear is meshed with the rear axle drive gear.

Description

A kind of 4 wheel driven transfer case
Technical field
The present invention relates to transmission device field, particularly 4 wheel driven transfer case.
Background technique
So-called transfer case, carries out assigned unit by the power of motor exactly, can output power to rear axle, or output to front/rear axle simultaneously.
The rear bridge driven output terminal of existing 4 wheel driven transfer case and propons drive output be not at same level height.After 4 wheel driven transfer case is installed on Motor Vehicle, rear bridge driven output terminal and back axle be not in same level, the transmission shaft and the horizontal plane that connect rear bridge driven output terminal and back axle have compared with mitre, while causing vehicle operating, easily break down, and existing 4 wheel driven transfer case can only be realized the conversion between rear-guard and 4 wheel driven.In addition, existing 4 wheel driven transfer case only has two drive output, cannot for other equipment for example oil pump power is provided.
Existing 4 wheel driven transfer case, for example CN 200955566Y discloses the moving transfer case of a kind of 4 wheel driven, it comprises casing, in casing, be provided with driving shaft and driven shaft, in described casing, be also provided with the first gear, the second gear, the 3rd gear, the 4th gear, driven shaft and driven shaft, the first gear is arranged on driving shaft and with driving shaft and links, the second gear is arranged on driven shaft, thereby the second gear and the engagement of the first gear drive driven shaft to rotate, the 3rd gear is arranged on driven shaft, thereby the 3rd gear and the engagement of the second gear drive driven shaft to rotate, the 4th gear is arranged on driven shaft, thereby the 4th gear and the engagement of the 3rd gear drive driven shaft to rotate.The moving transfer case of this 4 wheel driven is applicable to beach buggy, is not suitable for the Agricultural automotive vehicles such as other Motor Vehicle, particularly tractor.The defect existing while applying to Agricultural automotive vehicle has: one, driving shaft and driven shaft be not at same level height, and the transmission shaft and the horizontal plane that connect rear bridge driven output terminal and back axle have compared with mitre, while causing Agricultural automotive vehicle operation, easily breaks down; Two, the moving transfer case of this 4 wheel driven only has this kind of drive pattern of 4 wheel driven; Three, driving shaft and the driven shaft of the moving transfer case of this 4 wheel driven drive respectively back axle and propons, cannot provide power for other equipment.For example, when Agricultural automotive vehicle is linked with rotary cultivator, need oil pump to drive oil cylinder, and then control mentioning and putting down of rotary cultivator.The moving transfer case of this 4 wheel driven cannot provide power for oil pump.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art and a kind of 4 wheel driven transfer case is provided, rear bridge driven output terminal and the propons drive output of this 4 wheel driven transfer case are in same level height, the transmission shaft and the horizontal plane angle that connect rear bridge driven output terminal and back axle are less, during Agricultural automotive vehicle operation, be not easy to break down, and can realize the conversion between rear-guard, forerunner, 4 wheel driven.
Further object, is to provide a kind of improved 4 wheel driven transfer case, on this basis, can be when driving propons and back axle, for other equipment for example oil pump power is provided, thereby can be linked with rotary cultivator work.
Technological scheme of the present invention is: a kind of 4 wheel driven transfer case, comprise casing, front fork, rear fork, input shaft, jack shaft, propons driver output axle, rear bridge driven output shaft, input shaft is arranged on casing top by bearing, the part of input shaft in casing is provided with the first power shift gear, the second power shift gear from left to right successively, and the first power shift gear, the second power shift gear all can endwisely slip along input shaft; Jack shaft is fixed on casing middle part, and the first intermediate gear, the second intermediate gear are installed on jack shaft from left to right successively, and the first intermediate gear, the second intermediate gear are arranged on jack shaft by bearing respectively; Propons driver output axle is arranged on left side, casing below by bearing, on propons driver output axle, is fixed with propons actuation gear; Rear bridge driven output shaft is arranged on right side, casing below by bearing, is fixed with rear bridge driven gear on rear bridge driven output shaft; Front shift fork and the coupling of the first power shift gear, rear fork and the coupling of the second power shift gear, the first power shift gear and the engagement of the first intermediate gear, the second power shift gear and the engagement of the second intermediate gear, the first intermediate gear and the engagement of propons actuation gear, the second intermediate gear and the engagement of rear bridge driven gear.
Propons driver output axle of the present invention and rear bridge driven output shaft all, below casing, while being installed on Agricultural automotive vehicle, can reduce to connect transmission shaft and the horizontal plane angle of rear bridge driven output shaft and back axle, during Agricultural automotive vehicle operation, are not easy to break down.And by separate front fork and rear fork are set, can realize the conversion between forerunner, rear-guard, 4 wheel driven.
Further, this 4 wheel driven transfer case also comprises that oil pump drives, and oil pump drives by bearing and is arranged on top, casing right side, and the left end that oil pump drives is connected with input shaft right-hand member by bearing.
Input shaft right-hand member of the present invention has added oil pump drive output, can be when driving propons and back axle, for other equipment for example oil pump power is provided.
Below in conjunction with the drawings and specific embodiments, detailed structure of the present invention is further described.
Accompanying drawing explanation
Fig. 1 is embodiment's 1 structural representation.
Fig. 2 is embodiment's 2 structural representations.
Embodiment
Embodiment 1
As shown in Figure 1: a kind of preferred embodiment of a kind of 4 wheel driven transfer case of the present invention, comprise casing 20, front fork 10, rear fork 1, input shaft 13, jack shaft 6, propons driver output axle 18, rear bridge driven output shaft 9, front fork 10, rear fork 1 is installed in casing 20 tops, input shaft 13 is arranged on casing 20 tops by the first bearing of input shaft 12 and the second bearing of input shaft 3, the first bearing of input shaft 12 and the second bearing of input shaft 3 are deep groove ball bearing, the left end of input shaft 13 is power intake, the part of input shaft 13 in casing 20 is provided with the first power shift gear 11 from left to right successively, the second power shift gear 2, the first power shift gear 11, the second power shift gear 2 all can endwisely slip along input shaft 13, jack shaft 6 is fixed on casing 20 middle parts, the first intermediate gear 14, the second intermediate gear 4 are installed on jack shaft 6 from left to right successively, the first intermediate gear 14 is arranged on jack shaft 6 by the first midship shaft bearing 15, the second intermediate gear 4 is arranged on jack shaft 6 by the second midship shaft bearing 5, and the first midship shaft bearing 15 and the second midship shaft bearing 5 are needle bearing, propons driver output axle 18 is arranged on casing 20 left sides, below by the first propons driver output axle bearing 17 and the second propons driver output axle bearing 19, the first propons driver output axle bearing 17 and the second propons driver output axle bearing 19 are deep groove ball bearing, on propons driver output axle 18, are fixed with propons actuation gear 16, rear bridge driven output shaft 9 is arranged on casing 20 right sides, below by the first rear bridge driven output shaft bearing 8 and the second rear bridge driven output shaft bearing 21, the first rear bridge driven output shaft bearing 8 and the second rear bridge driven output shaft bearing 21 are deep groove ball bearing, are fixed with rear bridge driven gear 7 on rear bridge driven output shaft 9, the left end of propons driver output axle 18 is propons drive output, and the right-hand member of rear bridge driven output shaft 9 is rear bridge driven output terminal, front shift fork 10 and the first power shift gear 11 couplings, rear fork 1 and the second power shift gear 2 couplings, the first power shift gear 11 and the first intermediate gear 14 engagements, the second power shift gear 2 and the second intermediate gear 4 engagements, the first intermediate gear 14 and 16 engagements of propons actuation gear, the second intermediate gear 4 and 7 engagements of rear bridge driven gear.
Embodiment 2
As shown in Figure 2: the another kind of preferred embodiment of a kind of 4 wheel driven transfer case of the present invention, comprise casing 22, front fork 11, rear fork 1, input shaft 14, oil pump drives 3, jack shaft 17, propons driver output axle 20, rear bridge driven output shaft 9, front fork 11 is arranged on casing 22 tops, rear fork 1 is arranged on casing 22 tops, input shaft 14 is arranged on casing 22 tops by bearing of input shaft 13, bearing of input shaft 13 is deep groove ball bearing, the left end of input shaft 14 is power intake, the part of input shaft 14 in casing 22 is provided with the first power shift gear 12 from left to right successively, the second power shift gear 2, the first power shift gear 12, the second power shift gear 2 all can endwisely slip along input shaft 14, oil pump drives 3 by oil pump bearing 4, to be arranged on casing 22 tops, right side, and oil pump bearing 4 is deep groove ball bearing, and the left end of oil pump driving 3 is connected with the right-hand member of input shaft 14 by bearing, jack shaft 17 is fixed on casing 22 middle parts, the first intermediate gear 15, the second intermediate gear 5 are installed on jack shaft 17 from left to right successively, the first intermediate gear 15 is arranged on jack shaft 17 by the first midship shaft bearing 16, the second intermediate gear 5 is arranged on jack shaft 17 by the second midship shaft bearing 6, and the first midship shaft bearing 16 and the second midship shaft bearing 6 are needle bearing, propons driver output axle 20 is arranged on casing 22 left sides, below by the first propons driver output axle bearing 19 and the second propons driver output axle bearing 21, the first propons driver output axle bearing 19 and the second propons driver output axle bearing 21 are deep groove ball bearing, on propons driver output axle 20, are fixed with propons actuation gear 18, rear bridge driven output shaft 9 is arranged on casing 22 right sides, below by the first rear bridge driven output shaft bearing 8 and the second rear bridge driven output shaft bearing 10, the first rear bridge driven output shaft bearing 8 and the second rear bridge driven output shaft bearing 10 are deep groove ball bearing, are fixed with rear bridge driven gear 7 on rear bridge driven output shaft 9, the left end of propons driver output axle 20 is propons drive output, and the right-hand member of rear bridge driven output shaft 9 is rear bridge driven output terminal, front shift fork 11 and the first power shift gear 12 couplings, rear fork 1 and the second power shift gear 2 couplings, the first power shift gear 12 and the first intermediate gear 15 engagements, the second power shift gear 2 and the second intermediate gear 5 engagements, the first intermediate gear 15 and 18 engagements of propons actuation gear, the second intermediate gear 5 and 7 engagements of rear bridge driven gear.
Below in conjunction with embodiment 2, working principle of the present invention is described: while one, rear fork 1 being pulled to low order end, the second power shift gear 2 drives 3 engagements with oil pump, realizes to oil pump outputting power; While two, rear fork 1 being pulled to neutral position, the second power shift gear 2 drives between 3 in the second intermediate gear 5 and oil pump, and the second power shift gear 2 idle running, realize trailing wheel neutral; While three, rear fork 1 being pulled to high order end, the second power shift gear 2 and the second intermediate gear 5 engagements, realize rear wheel drive; While four, front fork 11 being pulled to high order end, the first power shift gear 12 and the first intermediate gear 15 engagements, realize front-wheel drive; Five,, by front fork 11 plates during to low order end, the first power shift gear 12 idle running, realize front-wheel neutral.Because front fork 11 and rear fork 1 be independent driving or the neutral of controlling front-wheel and trailing wheel respectively, therefore 4 wheel driven transfer case can be realized the conversion between forerunner, rear-guard, 4 wheel driven.On the other hand, propons driver output axle 20 and rear bridge driven output shaft 9 all, below casing 22, while being installed on car, can reduce to connect transmission shaft and the horizontal plane angle of rear bridge driven output shaft 9 and back axle, reduce vehicle operating rate of fault.In addition, when installation embodiment's 2 Agricultural automotive vehicle is linked with rotary cultivator, newly-increased oil pump driving 3 can be for oil pump provides power, and oil pump drives oil cylinder, and then controls mentioning and putting down of rotary cultivator.
Above the present invention is explained in detail, can not thinks that protection scope of the present invention is only confined to above-mentioned mode of execution.If do not have to produce difference in essence with the technological scheme of the claims in the present invention, the deduction or replace of above-mentioned mode of execution be still regarded as within protection scope of the present invention.

Claims (2)

1. a 4 wheel driven transfer case, is characterized in that: comprise casing, front fork, rear fork, input shaft, jack shaft, propons driver output axle, rear bridge driven output shaft; Described input shaft is arranged on described casing top by bearing, and the part of input shaft in casing is provided with the first power shift gear, the second power shift gear from left to right successively, and the first power shift gear, the second power shift gear all can endwisely slip along input shaft; Described jack shaft is fixed on described casing middle part, and the first intermediate gear, the second intermediate gear are installed on jack shaft from left to right successively, and the first intermediate gear, the second intermediate gear are arranged on jack shaft by bearing respectively; Described propons driver output axle is arranged on left side, described casing below by bearing, on propons driver output axle, is fixed with propons actuation gear; Described rear bridge driven output shaft is arranged on right side, described casing below by bearing, is fixed with rear bridge driven gear on rear bridge driven output shaft; Described front shift fork and described the first power shift gear coupling, described rear fork and described the second power shift gear coupling, described the first power shift gear and described the first intermediate gear engagement, described the second power shift gear and described the second intermediate gear engagement, described the first intermediate gear and the engagement of described propons actuation gear, described the second intermediate gear and the engagement of described rear bridge driven gear.
2. 4 wheel driven transfer case according to claim 1, is characterized in that: also comprise that oil pump drives, described oil pump drives by bearing and is arranged on top, casing right side, and the left end that oil pump drives is connected with input shaft right-hand member by bearing.
CN201310696791.1A 2013-12-18 2013-12-18 A kind of four-wheel-drive transfer case Expired - Fee Related CN103727182B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310696791.1A CN103727182B (en) 2013-12-18 2013-12-18 A kind of four-wheel-drive transfer case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310696791.1A CN103727182B (en) 2013-12-18 2013-12-18 A kind of four-wheel-drive transfer case

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CN103727182A true CN103727182A (en) 2014-04-16
CN103727182B CN103727182B (en) 2016-08-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370876A (en) * 2015-11-10 2016-03-02 中国北方车辆研究所 Automated mechanical transmission (AMT) gear shifting control method for vehicle with high-speed and low-speed four-wheel-drive function
CN108468763A (en) * 2018-05-18 2018-08-31 湖南农业大学 A kind of multi-functional four-wheel-drive transfer case
CN110805655A (en) * 2019-11-23 2020-02-18 山东科瑞机械制造有限公司 Angle transmission transfer case

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030181279A1 (en) * 2002-03-20 2003-09-25 Fuji Jukogyo Kabushiki Kaisha Manual transmission for four-wheel drive vehicle
CN201538238U (en) * 2009-08-27 2010-08-04 重庆川渝精工机械配件开发有限公司 High-low shift rear-drive assembly for four-wheel electric motor car
CN202541316U (en) * 2012-03-30 2012-11-21 杭州前进齿轮箱集团股份有限公司 All-wheel-drive transfer case for airport traction
CN202560953U (en) * 2012-04-10 2012-11-28 张柱芬 Front and rear drive transfer case of tractor
CN103115116A (en) * 2013-02-27 2013-05-22 曾建新 Part-time four-wheel independent shaft output transfer case available for impendent front and rear drive
CN203670637U (en) * 2013-12-18 2014-06-25 刘光兵 Four-wheel drive transfer case

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030181279A1 (en) * 2002-03-20 2003-09-25 Fuji Jukogyo Kabushiki Kaisha Manual transmission for four-wheel drive vehicle
CN201538238U (en) * 2009-08-27 2010-08-04 重庆川渝精工机械配件开发有限公司 High-low shift rear-drive assembly for four-wheel electric motor car
CN202541316U (en) * 2012-03-30 2012-11-21 杭州前进齿轮箱集团股份有限公司 All-wheel-drive transfer case for airport traction
CN202560953U (en) * 2012-04-10 2012-11-28 张柱芬 Front and rear drive transfer case of tractor
CN103115116A (en) * 2013-02-27 2013-05-22 曾建新 Part-time four-wheel independent shaft output transfer case available for impendent front and rear drive
CN203670637U (en) * 2013-12-18 2014-06-25 刘光兵 Four-wheel drive transfer case

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370876A (en) * 2015-11-10 2016-03-02 中国北方车辆研究所 Automated mechanical transmission (AMT) gear shifting control method for vehicle with high-speed and low-speed four-wheel-drive function
CN105370876B (en) * 2015-11-10 2018-08-28 中国北方车辆研究所 Vehicle AMT gear-shifting control methods with high speed low speed 4 wheel driven function
CN108468763A (en) * 2018-05-18 2018-08-31 湖南农业大学 A kind of multi-functional four-wheel-drive transfer case
CN108468763B (en) * 2018-05-18 2024-04-09 湖南农业大学 Multifunctional four-wheel drive transfer case
CN110805655A (en) * 2019-11-23 2020-02-18 山东科瑞机械制造有限公司 Angle transmission transfer case

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
IP01 Partial invalidation of patent right
IP01 Partial invalidation of patent right

Commission number: 4W107089

Conclusion of examination: To declare invalid claim 1 of invention patent 201310696791.1 and to maintain the patent validity on the basis of claim 2

Decision date of declaring invalidation: 20180919

Decision number of declaring invalidation: 37232

Denomination of invention: Four-wheel-drive transfer case

Granted publication date: 20160824

Patentee: Liu Guangbing|Liu Ning|Changsha Jianing Agricultural Machinery Manufacturing Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160824

Termination date: 20191218