CN104626977A - Four-wheel drive hydraulic mechanical continuously variable speed transmission device with steering axle - Google Patents

Four-wheel drive hydraulic mechanical continuously variable speed transmission device with steering axle Download PDF

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Publication number
CN104626977A
CN104626977A CN201510046339.XA CN201510046339A CN104626977A CN 104626977 A CN104626977 A CN 104626977A CN 201510046339 A CN201510046339 A CN 201510046339A CN 104626977 A CN104626977 A CN 104626977A
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CN
China
Prior art keywords
shaft
gear
axle
steeraxle
driven
Prior art date
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Pending
Application number
CN201510046339.XA
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Chinese (zh)
Inventor
王兴军
胡尊云
张伟
徐慧强
张学春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG AGRICULTURAL SCIENCE EQUIPMENT CO Ltd
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SHANDONG AGRICULTURAL SCIENCE EQUIPMENT CO Ltd
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Priority to CN201510046339.XA priority Critical patent/CN104626977A/en
Publication of CN104626977A publication Critical patent/CN104626977A/en
Pending legal-status Critical Current

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Abstract

A four-wheel drive hydraulic mechanical continuously variable speed transmission device with a steering axle comprises an input shaft, a hydraulic continuously variable speed transmission, a shaft I, a shaft II, a shaft III, a shaft IV, a steering shaft, a shaft VI, a left driving shaft, a right driving shaft, a four-wheel drive transmission shaft and a bevel gear shaft. Power of a diesel engine is transmitted to the input shaft and the hydraulic continuously variable speed transmission through belt driving in sequence, transmitted to the shaft I through continuously variable speed and transmitted to the shaft II through gear engagement; the combination between the shaft II and the shaft III forms three-gear advancing speed change, then on the one hand, the power is transmitted to the driving shaft, a speed reducing main drive cross shaft and a steering axle speed reducing driven shaft to drive front driving wheels to run, and on the other hand, the power is transmitted to the bevel gear shaft to drive back driving wheels to run. According to the device, differential hydraulic steering and continuously speed change are achieved, and four-wheel drive transmission of the front driving wheels and the back driving wheels is achieved; meanwhile, left turning or right turning of the front driving wheels is achieved through a double-piston-rod oil cylinder which passes a left steering axle shell and a right steering axle at the same time.

Description

A kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle
Technical field
The present invention relates to a kind of for carrying out the infinite variable speed driving device of 4 wheel driven with the 4 wheel driven hydraulic machinery of steeraxle, belonging to hydromechanical transmission drive technology field.
Background technology
The field machine existing structure of transmission gearbox assembly, although from traditional grade driven Design that has be stepless transmission, no matter be two-wheel drive, it not four wheel drive, substantially still drive axle or rear driving axle before use, just be achieved turning to of complete machine, so just must be made up of drive axle and transmission gearbox two parts, through research, substantially all diff is installed in most transmission gearbox, drive axle is also provided with diff simultaneously, study from economize energy, drive axle and transmission gearbox can be carried out unitized design completely, thus make structure simpler, manufacture and install and more simplify.In order to make the more practical and economize energy of farm machinery, and obtain excellent tractive performance, and this kind of driving device adapts to the needs of small agricultural machinery especially, as small four-wheel tractor, small-sized harvest machinery, orchard supervisor, farm cart etc.
Disclosed in Chinese patent literature CN203289918U, a kind of harvest machinery transmission assembly is mainly made up of gearbox body, I Shaft assembly, II Shaft assembly, III Shaft assembly, IV Shaft assembly, differential assembly, VI Shaft assembly, live axle assembly.The defect of this harvest machinery transmission assembly is without rear output shaft, and harvest machinery cannot realize 4 wheel driven function and hydraulic stepless speed change function.Brake assembly is arranged on III axle one end, and when load is large, braking effect is bad, especially on the slope, when cannot brake, easily causes vehicle slip-down, abnormally dangerous.Without steeraxle structure, separately steeraxle need be installed, make manufacturing cost high.In order to solve the problem, a kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle of special invention.
Summary of the invention
For the deficiency that existing harvest machinery gear case type transmission arrangement exists, the invention provides a kind of 4 wheel driven transmission with steeraxle, structure simple, be convenient to manufacture, easy to operate 4 wheel driven Hydromechanical continuous variable transmission device.
A kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle of the present invention, by the following technical solutions: a kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle, comprises input shaft, hydraulic continuously variable transmission, I axle, II axle, III axle, IV axle, steering shaft, VI axle, left driving shaft, right driving axle, 4 wheel driven transmission shaft and bevel gear shaft; One end of input shaft is connected with the input end of hydraulic continuously variable transmission, and the mouth of hydraulic continuously variable transmission is connected with I axle; I axle is provided with I shaft gear; II axle is provided with successively II grade of driven gear, III shelves driven gear and I grade of driven gear; III axle is provided with successively III axle final gear, III grade of speed change dual gear and III grade of variable gear; IV axle is provided with IV shaft gear, IV shaft gear one side and the central gears meshing on steering shaft, engage with the shifting slide gear on 4 wheel driven transmission shaft on the one hand; Steering shaft is provided with central gear, a differential gear is respectively installed in the both sides of central gear, composition diff, and central gear engages with IV shaft gear; VI axle is provided with two VI shaft drive dual gears, the big gear wheel on two VI shaft drive dual gears engages with two differential gears respectively; Left driving shaft and right driving axle the inner are respectively provided with driven wheel, and two driven wheels engage with the miniature gears on two VI shaft drive dual gears respectively; Left driving shaft and right driving axle outer end are all connected with deceleration main gear center cross, steeraxle deceleration main gear center cross is provided with steeraxle deceleration final gear, deceleration final gear is meshed with steeraxle reduction driven gear, and tire on the drive wheels is respectively installed in steeraxle reduction driven axle two ends; 4 wheel driven transmission shaft is provided with shifting slide gear and 4 wheel driven finishing bevel gear cuter, 4 wheel driven finishing bevel gear cuter engages with the finishing bevel gear cuter on bevel gear shaft.
Said apparatus, the power of diesel engine is transferred on input shaft by V belt translation, then reaches hydraulic continuously variable transmission through input shaft, transfers to I axle after carrying out stepless change by hydraulic continuously variable transmission, and the gears meshing on I axle and II axle is delivered to II axle.Third gear advance speed change is combined to form between II axle and III axle.After this power reaches axle drive shaft through IV axle, steering shaft and VI axle on the one hand, and axle drive shaft and deceleration main gear center cross lead to center cross and be connected, through steeraxle deceleration main gear center cross, steeraxle deceleration final gear, reach steeraxle reduction driven gear, steeraxle reduction driven axle
And drive the front driving wheel on axle drive shaft to operate; Reach bevel gear shaft through IV axle and 4 wheel driven transmission shaft on the other hand, bevel gear shaft is connected with rear driving axle by universal connecting shaft, reaches rear driving axle through universal connecting shaft, drives the rear drive sprocket running on rear driving axle.The handle of conversion hydraulic continuously variable transmission, changes the oil-feed of hydraulic continuously variable transmission and fuel-displaced direction, can realize the operation that falls back.
The present invention not only achieves stepless change, and be divided into two-way to drive power, achieve the 4 wheel driven transmission of front driving wheel and rear drive sprocket, and front driving wheel realizes the function that turns to by double rod cylinder, the easier flexibility and reliability of steering operation, and transmission system configuration is more reasonable, greatly alleviates the labour intensity of operator, reduces manufacturing cost.
Accompanying drawing explanation
Fig. 1 is each shaft position relation cutaway view of a kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle of the present invention.
Fig. 2 is each shaft drive relation principle schematic diagram analysed and observe along A-A line shown in Fig. 1.
Fig. 3 is each shaft drive relation principle schematic diagram analysed and observe along B-B line shown in Fig. 1.
In figure: 1, I axle, 2, II grade of driven gear, 3, II axle, 4, III grade of driven gear, 5, I shaft gear, 6, III grade of speed change dual gear, 7, I grade of driven gear, 8, input shaft, 9, III axle final gear, 10, III grade of variable gear, 11, III axle, 12, IV shaft gear, 13, IV axle, 14, steering shaft, 15, differential gear, 16, central authorities' gear, 17, VI axle, 18, VI shaft drive dual gear, 19, left driving shaft, 20, right driving axle, 21, driven wheel, 22, front driving wheel, 23, V belt translation, 24, diesel engine, 25, hydraulic continuously variable transmission, 26, belt wheel, 27, 4 wheel driven transmission shaft, 28, shifting slide gear, 29, 4 wheel driven finishing bevel gear cuter, 30, bevel gear shaft, 31, universal connecting shaft, 32, rear driving axle, 33, rear drive sprocket, 34, steeraxle deceleration main gear center cross, 35, steeraxle deceleration final gear, 36, steeraxle reduction driven gear, 37, steeraxle reduction driven axle, 38, double rod cylinder.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the present invention.
According to Fig. 1, Fig. 2, Fig. 3, with a 4 wheel driven Hydromechanical continuous variable transmission device for steeraxle, mainly comprise I axle 1, II axle 3, III axle 11, IV axle 13, steering shaft 14, VI axle 17, right driving axle 20,4 wheel driven transmission shaft 27, bevel gear shaft 30 and input shaft 8.
The outer end of I axle 1 is provided with hydraulic continuously variable transmission 25, and hydraulic continuously variable transmission 25 is connected with one end of input shaft 8, and the other end of input shaft 8 is provided with belt wheel 26, is connected with diesel engine 24 by V belt translation 23.I axle 1 is provided with I shaft gear 5, stirs I shaft gear 5 by shift fork and move on I axle 1.
II axle 3 is provided with successively II grade of driven gear 2, III shelves driven gear 4 and I grade of driven gear 7.Driving chain wheel can be housed at the mouth of II axle 3, transmit power to farm machinery (as rotovator etc.) by Chain conveyer, drive farm machinery runs.
III axle 11 is provided with successively III axle final gear 9, III grade of speed change dual gear 6 and III grade of variable gear 10.
IV axle 13 is provided with the central gears meshing on IV shaft gear 12, IV shaft gear 12 1 aspect and steering shaft 14, power is reached left driving shaft 19 and right driving axle 20; Engage with the shifting slide gear 28 on 4 wheel driven transmission shaft 27 on the one hand, power is reached rear driving axle 32.This makes it possible to power is transmitted to front driving wheel and rear drive sprocket simultaneously, realize 4 wheel driven transmission.All drg is installed at IV axle 13 two ends, to realize stopping and the deceleration of walking.
Steering shaft 14 is provided with central gear 16, a differential gear 15 is respectively installed in the both sides of central gear 16, and composition diff, central gear 16 engages with IV shaft gear 12.
Big gear wheel VI axle 17 is provided with on two VI shaft drive dual gears, 18, two VI shaft drive dual gears 18 engages with two differential gears 15 respectively.
On left driving shaft 19 and right driving axle 20, inner side is all provided with driven wheel 21, and two driven wheels 21 engage with the miniature gears on two VI shaft drive dual gears 18 respectively.Left driving shaft 19 is respectively connected with steeraxle deceleration main gear center cross 34 with right driving axle 20 outer end, and through steeraxle deceleration main gear center cross 34, steeraxle deceleration final gear 35 engages with steeraxle reduction driven gear 36, and front driving wheel 22 is installed at steeraxle reduction driven axle 37 two ends.
4 wheel driven transmission shaft 27 is provided with shifting slide gear 28 and 4 wheel driven finishing bevel gear cuter 29, stirs shifting slide gear 28 and move on 4 wheel driven transmission shaft 27, can realize engaging with IV shaft gear 12,4 wheel driven finishing bevel gear cuter 29 engages with the finishing bevel gear cuter on bevel gear shaft 30.
Bevel gear shaft 30 is connected with rear driving axle 32 by universal connecting shaft 31.Rear driving axle 32 installs two rear drive sprockets 33.
Said apparatus realize four wheel drive and the process that turns to as described below:
The power of diesel engine 24 is transferred on input shaft 8 by V belt translation 23, then reaches hydraulic continuously variable transmission 25 through input shaft 8, transfers to I axle 1 after carrying out stepless change by hydraulic continuously variable transmission 25.I shaft gear 5 on I axle 1 and the III shelves driven gear 4 on II axle 3 engage, and are delivered to II axle 3.By stirring III grade of speed change dual gear 6 on III axle 11 and III grade of variable gear 10 and other gears meshing, be combined to form three class gear shift, after each shelves speed change, power reaches IV axle 13.After this power divides two-way to transmit: on the one hand the engaging of IV shaft gear 12 and central gear 16 on steering shaft 14 on IV axle 13, engaging of differential gear 15 and VI shaft drive dual gear 18 on VI axle 17 and engaging of VI shaft drive dual gear 18 and driven wheel 21 on steering shaft 14, power is reached left driving shaft 19 and right driving axle 20, drive and operate with the steeraxle deceleration main gear center cross 34 that left driving shaft 19 is connected with right driving axle 20, and engage with steeraxle reduction driven gear 36 through steeraxle deceleration final gear 35, power is reached steeraxle reduction driven axle 37.Thus the front driving wheel 22 driving steeraxle reduction driven axle 37 two ends to install operates; On the other hand, on IV axle 13, IV shaft gear 12 and shifting slide gear 28 on 4 wheel driven transmission shaft 27 engages and the engaging of 4 wheel driven finishing bevel gear cuter 29 and the finishing bevel gear cuter on bevel gear shaft 30 on 4 wheel driven transmission shaft 27, power is reached rear driving axle 32 through universal connecting shaft 31, drives two rear drive sprockets 33 on rear driving axle 32 to operate.Realizing engaging or disengagement of shifting slide gear 28 and IV shaft gear 12 by stirring shifting slide gear 28, realizing power and combining or cut off.
Third gear advance speed-change process between II axle 3 and III axle 11 is as described below:
I grade of forward movement: stir III grade of variable gear 10 and engage with I grade of driven gear 7.
II grade of forward movement: stir III grade of speed change dual gear 6 and engage with II grade of driven gear 2.
III grade of forward movement: stir III grade of speed change dual gear 6 and engage with III grade of driven gear 4.
When needing to fall back operation, the handle of conversion hydraulic continuously variable transmission 25, changes the oil-feed of hydraulic continuously variable transmission 25 and fuel-displaced direction.Diesel engine 24 power is delivered to hydraulic continuously variable transmission 25 by V belt translation 23 and input shaft 8, the output shaft antiport of hydraulic continuously variable transmission 25, makes I axle 1 and following each axle antiport thereof, realizes falling back operation.
The process that said apparatus realizes turning to is as described below:
Steering shaft 14 is provided with central gear 16, a differential gear 15 is respectively installed in the both sides of central gear 16, and composition diff, central gear 16 engages with IV shaft gear 12.VI axle 17 is provided with two VI shaft drive dual gears, 18, two differential gears 15 to engage respectively with the big gear wheel on two VI shaft drive dual gears 18.VI shaft drive dual gear 18 engages with driven wheel 21, by transmission of power on left driving wheel axle 19 and right driving axle 20, left driving shaft 19 is respectively connected with steeraxle deceleration main gear center cross 34 with right driving axle 20 outer end, and through steeraxle deceleration main gear center cross 34, steeraxle deceleration final gear 35 engages with steeraxle reduction driven gear 36, and front driving wheel 22 is installed at steeraxle reduction driven axle 37 two ends.On the housing at axle drive shaft two ends, connect steeraxle mechanism, turn to and adopt double rod cylinder 38 to arrange, oil cylinder and two turns to axle housing to adopt hinged being connected, and piston rod is rearmounted or preposition trapezoidal tierod component part simultaneously.By the motion of double piston-rod and the effect of cooperation diff, thus realize turning to of left and right tire.Adopt double rod cylinder that complete machine left and right turn performance can be made identical.

Claims (5)

1. the 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle, comprises input shaft, hydraulic continuously variable transmission, I axle, II axle, III axle, IV axle, steering shaft, VI axle, left driving shaft, right driving axle, 4 wheel driven transmission shaft and bevel gear shaft; It is characterized in that: one end of input shaft is connected with the input end of hydraulic continuously variable transmission, the mouth of hydraulic continuously variable transmission is connected with I axle; I axle is provided with I shaft gear; II axle is provided with successively II grade of driven gear, III shelves driven gear and I grade of driven gear; III axle is provided with successively III axle final gear, III grade of speed change dual gear and III grade of variable gear; IV axle is provided with IV shaft gear, IV shaft gear one side and the central gears meshing on steering shaft, engage with the shifting slide gear on 4 wheel driven transmission shaft on the one hand; Steering shaft is provided with central gear, a differential gear is respectively installed in the both sides of central gear, composition diff, and central gear engages with IV shaft gear; VI axle is provided with two VI shaft drive dual gears, the big gear wheel on two VI shaft drive dual gears engages with two differential gears respectively; On left driving shaft and right driving axle, inner side is all provided with driven wheel, and two driven wheels engage with the miniature gears on two VI shaft drive dual gears respectively; Left driving shaft and right driving axle outer end all lead to center cross with deceleration main gear center cross and are connected, steeraxle deceleration main gear center cross is provided with steeraxle deceleration final gear, deceleration final gear is meshed with the steeraxle reduction driven gear that steeraxle reduction driven axle is installed, and tire on the drive wheels is respectively installed in steeraxle reduction driven axle two ends; 4 wheel driven transmission shaft is provided with shifting slide gear and 4 wheel driven finishing bevel gear cuter, 4 wheel driven finishing bevel gear cuter engages with the finishing bevel gear cuter on bevel gear shaft.
2. a kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle according to claim 1, the connection of gear and hydraulic continuously variable transmission, one end of input shaft is connected with the input end of hydraulic continuously variable transmission.
3. a kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle according to claim 1, live axle exports the connection of transmission and two steeraxles, left driving shaft and right driving axle outer end all lead to center cross with deceleration main gear center cross and are connected, steeraxle deceleration main gear center cross is provided with steeraxle deceleration final gear, deceleration final gear is meshed with the steeraxle reduction driven gear that steeraxle reduction driven axle is installed, and tire on the drive wheels is respectively installed in steeraxle reduction driven axle two ends.
4. a kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle according to claim 1, export after speed change on transmission 4 wheel driven transmission shaft and shifting slide gear and 4 wheel driven finishing bevel gear cuter are installed, stir shifting slide gear to move on 4 wheel driven transmission shaft, can realize engaging with IV shaft gear, 4 wheel driven finishing bevel gear cuter 2 engages with the finishing bevel gear cuter on bevel gear shaft, bevel gear shaft is connected with rear driving axle by universal connecting shaft, and rear driving axle installs two rear drive sprockets.
5. a kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle according to claim 1, turn to and adopt double rod cylinder to arrange, oil cylinder and two turns to axle housing to adopt hinged being connected, piston rod is rearmounted or preposition trapezoidal tierod component part, adopts double rod cylinder to make complete machine left and right turn performance identical.
CN201510046339.XA 2015-01-30 2015-01-30 Four-wheel drive hydraulic mechanical continuously variable speed transmission device with steering axle Pending CN104626977A (en)

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CN201510046339.XA CN104626977A (en) 2015-01-30 2015-01-30 Four-wheel drive hydraulic mechanical continuously variable speed transmission device with steering axle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105402349A (en) * 2015-12-03 2016-03-16 洛阳理工学院 Power output system and output method for agricultural machinery

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6477838B1 (en) * 1998-03-31 2002-11-12 Hydro-Thoma Limited Hydrostatic machines for use in transmission and transaxle product
CN101579996A (en) * 2009-05-31 2009-11-18 晋江市连盛液压机械有限公司 Automobile overhead driving front axle
CN201405677Y (en) * 2009-05-31 2010-02-17 晋江市连盛液压机械有限公司 Automobile overhead front driving axle
CN104196968A (en) * 2014-08-22 2014-12-10 山东常林农业装备股份有限公司 Multifunctional four-wheel-drive self-propelled transmission device
CN104191965A (en) * 2014-08-22 2014-12-10 山东常林农业装备股份有限公司 Four-drive hydraulic mechanical stepless speed change transmission device
CN204055352U (en) * 2014-08-22 2014-12-31 山东常林农业装备股份有限公司 4 wheel driven Hydromechanical continuous variable transmission device
CN204623149U (en) * 2015-01-30 2015-09-09 山东常林农业装备股份有限公司 A kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6477838B1 (en) * 1998-03-31 2002-11-12 Hydro-Thoma Limited Hydrostatic machines for use in transmission and transaxle product
CN101579996A (en) * 2009-05-31 2009-11-18 晋江市连盛液压机械有限公司 Automobile overhead driving front axle
CN201405677Y (en) * 2009-05-31 2010-02-17 晋江市连盛液压机械有限公司 Automobile overhead front driving axle
CN104196968A (en) * 2014-08-22 2014-12-10 山东常林农业装备股份有限公司 Multifunctional four-wheel-drive self-propelled transmission device
CN104191965A (en) * 2014-08-22 2014-12-10 山东常林农业装备股份有限公司 Four-drive hydraulic mechanical stepless speed change transmission device
CN204055352U (en) * 2014-08-22 2014-12-31 山东常林农业装备股份有限公司 4 wheel driven Hydromechanical continuous variable transmission device
CN204623149U (en) * 2015-01-30 2015-09-09 山东常林农业装备股份有限公司 A kind of 4 wheel driven Hydromechanical continuous variable transmission device with steeraxle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105402349A (en) * 2015-12-03 2016-03-16 洛阳理工学院 Power output system and output method for agricultural machinery
CN105402349B (en) * 2015-12-03 2018-07-17 洛阳理工学院 A kind of power output system and output method for agricultural machinery

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Application publication date: 20150520