CN205423772U - 4 wheel driven drive gear case - Google Patents
4 wheel driven drive gear case Download PDFInfo
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- CN205423772U CN205423772U CN201620189508.5U CN201620189508U CN205423772U CN 205423772 U CN205423772 U CN 205423772U CN 201620189508 U CN201620189508 U CN 201620189508U CN 205423772 U CN205423772 U CN 205423772U
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Abstract
The utility model relates to a 4 wheel driven drive gear case belongs to the power transmission device technical field of self -propelled harvest machinery equipment. Including forerunner's transmission case and rear -guard transmission case, forerunner's transmission case includes one, two, triaxial, synchronizer assembly, left side output braking part, the right side output braking part, torque dupler assembly and clutch assembly, the rear -guard transmission case includes rear -guard synchronizer assembly, input shaft and output shaft coupling. Be applied to utility model harvest machinery such as harvester, have high transmission efficiency, easy operation, many grades of advantages such as the multi -direction output of slowing down.
Description
Technical field
The utility model relates to a kind of 4 wheel driven uni-drive gear box, belongs to the power transmission technical field of self propelled harvester tool equipment.
Background technology
Self propelled harvester tool is an important component part of agricultural machinery, and its development plays very important effect for the modernization development of Tendency of Agricultural Machinery in China.Mostly the self propelled harvester tool used in the market is front-wheel drive, rear-axle steering but without the structure of driving force, when various crops harvesting, cropper generally requires by muddy, yielding ground, and operating mode is severe, and easily causes vehicle tyre skidding or get deeply stuck in, when front-wheel skids or gets deeply stuck in, only possess turning function due to trailing wheel, it is impossible to make vehicle normally advance or retreat, finally affect crops harvesting efficiency.
Based on this, make the application.
Utility model content
The purpose of this utility model be to provide a kind of compact conformation, good reliability, volume is little, transmission efficiency is high, simple to operate, there is clutch, many grades of decelerations (having reverse gear function), the uni-drive gear box of multi-direction power output (at left and right each one and at middle one, power output at totally three) simultaneously.
For achieving the above object, the utility model adopts the technical scheme that: a kind of in the 4 wheel driven uni-drive gear box of harvest machinery, on body structure designs, for ease of assembling and maintenance, casing uses horizontal, vertical profile integrated structure, can be divided into forerunner's transmission case (lower gearbox portion) and two drive mechanisms of rear-guard transmission case (upper gear case)；Wherein forerunner's transmission case (gear-box the latter half) drive mechanism can work independently, its primary structure is divided into casing, box cover, structure is designed as vertical profile, is inside provided with an axle, a shaft transmission gear, two axles, two shaft transmission gears, III grade of gear, two axle synchronized assemblies, II grade of gear, three axles, three shaft transmission gears, I grade of gear, synchronized assembly, three axle synchronized assemblies, pawl wheel, differential mechanism gear wheel, differential assembly, left output brake component, right output brake component；Under general operating mode, use this operative gear box function can meet the need of work of complete machine.Rear-guard transmission case is divided into upper box, lower box, and structure uses cross-sectional herein, is inside provided with synchronized assembly, input gear, bevel gear wheel, power shaft, bevel pinion, output shaft coupling.In the most each parts, an axle is actively coupled by clutch assembly control clutch release bearing with torque dupler assembly, it is achieved the input of power；On one axle, gear engages with II grade of gear, pawl wheel respectively at two；One shaft transmission gear and III grade of gear engagement；Two shaft transmission gears and the engagement of three shaft transmission gears；II grade of gear and I grade of gear engagement；Gear and the engagement of differential mechanism gear wheel at one on three axles；Differential mechanism gear wheel and input gear engagement；Bevel gear wheel and bevel pinion engagement；One shaft transmission gear is coupled by flat key and an axle；Two shaft transmission gears are coupled by woodruff key and two axles；III grade of gear is sleeved on two axles by the 34th needle bearing, then is actively coupled by two axle synchronized assemblies and two axles；II grade of gear is sleeved on two axles by 2 the 35th needle bearings, then is actively coupled by two axle synchronized assemblies and two axles；Three shaft transmission gears are coupled by woodruff key and three axles；I grade of gear is sleeved on three axles by the 36th needle bearing, then is actively coupled by three axle synchronized assemblies and three axles；Pawl wheel is sleeved on three axles by the 37th needle bearing, then is actively coupled by three axle synchronized assemblies and three axles；Left output brake component, by being set with the 31st deep groove ball bearing on power transmission shaft, couples with differential assembly with spline；Right output brake component, by being set with the 31st deep groove ball bearing on power transmission shaft, couples with differential assembly with spline；Hand brake parts are actively coupled by friction plate and three axles；Input gear is sleeved on power shaft by the 40th needle bearing, then is actively coupled with power shaft by synchronized assembly；Bevel gear wheel is coupled with power shaft by flat key；Bevel pinion is coupled with output shaft coupling by spline.
Handle, by external pushing-pulling flexible shaft, the combination that each shifting shaft drives each synchronized of fork controls to be in diverse location and drive different gear, thus regulate each gear be actively coupled relation, choose different power transmission routes, it is achieved different gear change；When under general operating mode, forerunner's transmission case works independently, when three axle synchronized assemblies couple pawl wheel, when two axle synchronized assemblies are in middle neutral gear position, III grade of gear, II grade of gear dally relative to two axles, I grade of gear dallies relative to three axles, one axle drives pinion rotation, pawl wheel is rotated by three axle synchronized assembly band dynamic triaxial, three axles drive differential mechanism bull gear drive, power is exported by an axle, pawl wheel, three axles, differential mechanism gear wheel, differential assembly, left and right output brake component, it is achieved reverse gear；When three axle synchronized assemblies couple I grade of gear, when two axle synchronized assemblies are in middle neutral gear position, III grade of gear, II grade of gear dally relative to two axles, the relative three axle idle running of pawl wheel, one axle drives II grade of pinion rotation, I grade of pinion rotation of II grade of gear driven, I grade of gear is rotated by three axle synchronized assembly band dynamic triaxial, three axles drive differential mechanism bull gear drive, power is exported by an axle, II grade of gear, I grade of gear, three axles, differential mechanism gear wheel, differential assembly, left and right output brake component, it is achieved I grade of transmission；When three axle synchronized assemblies are in middle neutral gear position, when two axle synchronized assemblies couple II grade of gear, I grade of gear, the relative three axle idle running of pawl wheel, III grade of gear dallies relative to three axles, one axle drives II grade of pinion rotation, II grade of gear drives two axles to rotate by two axle synchronized assemblies, two axles drive two shaft transmission gears to rotate, two shaft transmission gears drive three shaft transmission gears to rotate, three shaft transmission gear band dynamic triaxial rotate, three axles drive differential mechanism bull gear drive, power passes through an axle, II grade of gear, two axles, two shaft transmission gears, three shaft transmission gears, three axles, differential mechanism gear wheel, differential assembly, left, right output brake component exports, realize II grade of transmission；When three axle synchronized assemblies are in middle neutral gear position, when two axle synchronized assemblies couple III grade of gear, I grade of gear, the relative three axle idle running of pawl wheel, II grade of gear dallies relative to three axles, one axle drives a shaft transmission gear to rotate, one shaft transmission gear drives III grade of pinion rotation, III grade of gear drives two axles to rotate by two axle synchronized assemblies, two axles drive two shaft transmission gears to rotate, two shaft transmission gears drive three shaft transmission gears to rotate, three shaft transmission gear band dynamic triaxial rotate, three axles drive differential mechanism bull gear drive, power passes through an axle, one shaft transmission gear, III grade of gear, two axles, two shaft transmission gears, three shaft transmission gears, three axles, differential mechanism gear wheel, differential assembly, left, right output brake component exports, realize III grade of transmission；When needs enable rear-guard power, vehicle is typically in halted state, advance and then driving front case is switched to I grade, retreat and then driving front case is switched to reverse gear, again rear-guard shifting shaft on rear-guard transmission case is advanced, shift fork drives rear-guard synchronized assembly to couple input gear, and now differential mechanism gear wheel drives input gear to rotate；nullWhen three axle synchronized assemblies couple pawl wheel，When two axle synchronized assemblies are in middle neutral gear position，III grade of gear、II grade of gear dallies relative to two axles，I grade of gear dallies relative to three axles，One axle drives pinion rotation，Pawl wheel is rotated by three axle synchronized assembly band dynamic triaxial，Three axles drive differential mechanism bull gear drive，Differential mechanism gear wheel drives input gear to rotate，Input gear is rotated by rear-guard synchronized assembly band driven input shaft，Power shaft drives bevel gear wheel to rotate，Bevel gear wheel drives bevel pinion to rotate，Bevel pinion drives output shaft coupling to rotate by spline，Power passes through an axle、Pawl is taken turns、Three axles、Differential mechanism gear wheel、Input gear、Bevel gear wheel、Bevel pinion、Output shaft coupling output (driving front case part one axle、Pawl is taken turns、Three axles、Differential mechanism gear wheel、Differential assembly、Left、Right output brake component exports)，Realize reversing 4 wheel driven transmission；nullWhen three axle synchronized assemblies couple I grade of gear，When two axle synchronized assemblies are in middle neutral gear position，III grade of gear、II grade of gear dallies relative to two axles，The relative three axle idle running of pawl wheel，One axle drives II grade of pinion rotation，I grade of pinion rotation of II grade of gear driven，I grade of gear is rotated by three axle synchronized assembly band dynamic triaxial，Three axles drive differential mechanism bull gear drive，Input gear is rotated by rear-guard synchronized assembly band driven input shaft，Power shaft drives bevel gear wheel to rotate，Bevel gear wheel drives bevel pinion to rotate，Bevel pinion drives output shaft coupling to rotate by spline，Power passes through an axle、II grade of gear、I grade of gear、Three axles、Differential mechanism gear wheel、Differential assembly、Input gear、Power shaft、Bevel gear wheel、Bevel pinion、(driving front case partial power passes through an axle in output shaft coupling output、II grade of gear、I grade of gear、Three axles、Differential mechanism gear wheel、Differential assembly、Left、Right output brake component exports)，Realize advance 4 wheel driven transmission；Left and right output brake component moves tyre rotation respectively with left and right wheels side reducer connecting belt, and output shaft coupling is connected with turning to driving back axle, drives back axle left and right wheels side reducer connecting belt to move tyre rotation.
Further, in order to optimize structure, improve applicability, one end of an axle is arranged on box cover by the 23rd taper roll bearing, and the other end is arranged on casing by the 26th taper roll bearing.
Further, in order to optimize structure, improve applicability, one end of two axles is arranged on box cover by the 24th taper roll bearing, and the other end is arranged on casing by the 27th taper roll bearing.
Further, in order to optimize structure, improve applicability, one end of three axles is arranged on box cover by the 25th taper roll bearing, and the other end is arranged on casing by the 28th taper roll bearing.
Further, in order to optimize structure, improve applicability, differential mechanism gear wheel is connected into one by bolt and differential assembly.
Further, in order to optimize structure, improve applicability, differential assembly is arranged on forerunner's transmission case by the 31st deep groove ball bearing.
Further, in order to optimize structure, improve applicability, power shaft is arranged on rear-guard transmission case by the 41st taper roll bearing.
Further, in order to optimize structure, improve applicability, bevel pinion is arranged on rear-guard transmission case by the 30th taper roll bearing.
Further, in order in order to optimize structure, improve applicability, a shaft transmission gear is coupled by flat key and an axle.
Further, in order in order to optimize structure, improve applicability, two shaft transmission gears are coupled by woodruff key and two axles.
Further, in order in order to optimize structure, improve applicability, III grade of gear is sleeved on two axles by the 34th needle bearing, then is actively coupled by two axle synchronized assemblies and two axles；
Further, in order in order to optimize structure, improve applicability, II grade of gear is sleeved on two axles by 2 the 35th needle bearings, then is actively coupled by two axle synchronized assemblies and two axles.
Further, in order in order to optimize structure, improve applicability, three shaft transmission gears are coupled by woodruff key and three axles.
Further, in order in order to optimize structure, improve applicability, I grade of gear is sleeved on three axles by the 36th needle bearing, then is actively coupled by three axle synchronized assemblies and three axles.
Further, in order in order to optimize structure, improve applicability, pawl wheel is sleeved on three axles by the 37th needle bearing, then is actively coupled by three axle synchronized assemblies and three axles.
Further, in order in order to optimize structure, improve applicability, left output brake component, by being set with the 31st deep groove ball bearing on power transmission shaft, couples with differential assembly with spline.
Further, in order in order to optimize structure, improve applicability, right output brake component, by being set with the 31st deep groove ball bearing on power transmission shaft, couples with differential assembly with spline.
Further, in order in order to optimize structure, improve applicability, hand brake parts are actively coupled by friction plate and three axles.
Further, in order in order to optimize structure, improve applicability, input gear is sleeved on power shaft by the 40th needle bearing, then is actively coupled with power shaft by rear-guard synchronized assembly.
Further, in order in order to optimize structure, improve applicability, bevel gear wheel is coupled with power shaft by flat key.
Further, in order in order to optimize structure, improve applicability, bevel pinion is coupled with output shaft coupling by spline；
The beneficial effects of the utility model are: owing to using Spur Gear Driving and tooth axle Integral design, are meeting gear-driven intensity simultaneously, are reducing production cost；Shifter uses synchronized switching gear, the most built-in and compact conformation, and good looking appearance is exquisite, by with shifting shaft, shift fork with the use of, it is achieved the gear change of gear-box.Compared with the sliding tooth shifter of transmission system, use this structure, run in when gear shift softer, little to gear impact, reduce operation noise, simple to operate, convenient and reliable.Power source uses electrodeless variable-speed wheel to carry out power input by torque dupler belt pulley, can realize the gear change of advance third gear slow astern shelves in conjunction with this gear-box.Built-in differential mechanism, good looking appearance, save space.Differential mechanism is while ensureing the power of output axle shaft transmission to the left and right, it is allowed to left and right output axle shaft rotates with different rotating speeds, meets two sidecar wheels and makees Unequal distance traveling with the form of pure rolling as far as possible, it is ensured that during turning, complete machine is steady, reduces the friction of tire and ground.This gear-box uses modular combination mode to design, all parts all can individually split overall assembling and the maintenance replacing of beneficially spare part, directly couple assembling by forerunner, rear-guard transmission case simultaneously, reduce transition part and (on traditional transmission gear box structure, directly increase drive disk assembly and suitable body structure, realize the output of multi-direction power, decrease middle transition transfer device, reduce box volume while improving gearing efficiency, saved installing space).Traditional gear box structure design only has forerunner's power drive, and harvester at harvesting time, owing to the muddy unequal situation in soil, farmland is the most common, front-wheel often occurs that skidding, gets deeply stuck in etc. affects the complete machine situation by property；This type gear-box can start the rear-guard power being positioned at upper gear case when needed, couple connecting shaft by output shaft coupling and send power to back axle, back axle is made also to have driving force, thus realize four-wheel drive, can not ensure in the case of normally advancing that the driving by trailing wheel makes harvester advance or retreats at front-wheel, the operating mode improving harvester adapts to ability and service efficiency.
Accompanying drawing explanation
Fig. 1 is the gear-box overall structure schematic diagram of the application；
Fig. 2 is another visual angle overall structure schematic diagram of the application；
Fig. 3 is N-N direction sectional view in Fig. 2；
Fig. 4 is the structural representation of forerunner's transmission case in the application；
Fig. 5 is forerunner's transmission case gear transmission structure schematic diagram；
Fig. 6 is rear-guard transmission case structural representation；
Fig. 7 is rear-guard transmission case gear transmission structure schematic diagram.
Wherein label: A. forerunner's transmission case；B. rear-guard transmission case；The most left output axle shaft；The rightest output axle shaft；E. power input pulley；F. rear-guard shifting shaft；G. forerunner's shifting shaft；H. upper box；I. lower box；J. box cover；K. casing；1. an axle；11. 1 shaft transmission gears；12. pawl wheels；2. two axle；21. 2 shaft transmission gears；22. 2 axle synchronized assemblies；23. III grades of gears；24. II grades of gears；3. three axle；31. 3 shaft transmission gears；32. 3 axle synchronized assemblies；33. I grades of gears；34. hand brake assemblies；35. differential mechanism gear wheels；36. differential assemblies；37. left output brake components；38. right output brake components；4. power shaft；41. input gears；42. bevel gear wheels；43. bevel pinions；44. output shaft couplings；45. rear-guard synchronized assemblies；The most whole torsion device assembly；6. clutch assembly；61. clutch release bearings.
Detailed description of the invention
Embodiment 1
The present embodiment one 4 wheel driven uni-drive gear box, in conjunction with Fig. 1, including forerunner transmission case A, rear-guard transmission case B, left output axle shaft C, right output axle shaft D, power input pulley E, rear-guard shifting shaft F and forerunner shifting shaft G, in conjunction with Fig. 2 and Fig. 3, forerunner transmission case A is to be formed by alignment pin and bolts assemblies by casing J and box cover K, rear-guard transmission case B is to be formed by alignment pin and bolts assemblies by upper box H and lower box I, and forerunner transmission case A is integrated by alignment pin and bolt-connection with rear-guard transmission case B.
Gear-box power is accessed by torque dupler assembly 5, by forerunner shifting shaft G and the forerunner transmission case A of rear-guard shifting shaft F teeth change roller box and rear-guard transmission case B gear, power output is carried out again by left output axle shaft C, right output axle shaft D, output 44 3 directions of shaft coupling, the most left output axle shaft C, right output axle shaft D couple with left and right hub reduction gear respectively, and dynamic tyre rotation before driving two, output shaft coupling 44 is connected with turning to driving back axle, turning to driving back axle left and right wheels side reducer to couple drives two rear tyres to rotate, and finally realizes the four-wheel drive of vehicle.
Specifically, in conjunction with Fig. 4, in forerunner transmission case A, it is provided with axle 1, shaft transmission gear 11, pawl wheel 23, II grade of gear 24, three axle 3, three 32, I grade of gear 33 of shaft transmission gear 31, three axle synchronized assembly of 12, two axle 2, two 22, III grade of gears of shaft transmission gear 21, two axle synchronized assembly, differential mechanism gear wheel 35, differential assembly 36, left output brake component 37, right output brake component 38, hand brake assembly 34 and whole torsion device assembly 5, clutch assembly 6；Clutch assembly 6 is mainly made up of clutch outer member and clutch release bearing 61；Torque dupler assembly 5 is mainly made up of input housing, hollow shaft, driving dish, platen, friction plate, spring and power input pulley F etc.；Hand brake parts 39 are mainly made up of hand brake housing, brake control bar and friction plate；Left and right output brake assembly is mainly made up of brake shell, bremsbelage, brake fluid pump assembly and left output axle shaft C, right output axle shaft D etc. that (predecessor portions can isolated operation, the functional requirements such as conventional gearbox shift speed change, skidding, forward-reverse can be fully achieved, its left output axle shaft C, right output axle shaft D couple with left and right wheels side reducer respectively, dynamic tyre rotation before driving two).
In conjunction with Fig. 6, be provided with in rear-guard transmission case B power shaft 4, input gear 41, bevel gear wheel 42, bevel pinion 43, output shaft coupling 44(output shaft coupling 44 with turn to driving back axle be connected, turning to driving back axle left and right wheels side reducer to couple drives two rear tyres to rotate, this function is general after a stoppage, forerunner transmission case A uses when being in I shelves or reverse gear, it is achieved the four-wheel drive of vehicle) and rear-guard synchronized assembly 45；The power transmission unit of final forerunner transmission case A, rear-guard transmission case B composition harvest machinery walking.
In conjunction with Fig. 5, one end of one axle 1 is arranged on box cover J by taper roll bearing one, the other end is arranged on casing K by taper roll bearing four, increases torsion device assembly 5 simultaneously and controls clutch release bearing 61 by clutch assembly 6, is actively coupled with an axle 1；One shaft transmission gear 11 is coupled by flat key and an axle 1.
One end of two axles 2 is arranged on box cover J by taper roll bearing two, and the other end is arranged on casing K by taper roll bearing five, and two shaft transmission gears 21 are coupled by woodruff key and two axles 2；III grade of gear 23 is sleeved on two axles 2 by needle bearing one, then is actively coupled with two axles 2 by two axle synchronized assemblies 22；II grade of gear 24 is sleeved on two axles 2 by 2 needle bearings two, then is actively coupled with two axles 2 by two axle synchronized assemblies 22.
One end of three axles 3 is arranged on box cover J by taper roll bearing three, and the other end is arranged on casing K by taper roll bearing six, and three shaft transmission gears 31 are coupled by woodruff key and three axles 3；I grade of gear 33 is sleeved on three axles 3 by needle bearing three, then is actively coupled with three axles 3 by three axle synchronized assemblies 32；Pawl wheel 12 is sleeved on three axles 3 by needle bearing four, then is actively coupled with three axles 3 by three axle synchronized assemblies 32, and hand brake parts 32 are coupled by friction plate and three axles 3.
Differential assembly 36 is arranged on forerunner transmission case A by deep groove ball bearing one, and left output brake component 37, by being set with deep groove ball bearing one on power transmission shaft, couples with differential assembly 36 with spline；Right output brake component 38, by being set with deep groove ball bearing one on power transmission shaft, couples with differential assembly 36 with spline, and differential mechanism gear wheel 35 is connected into one by bolt and differential assembly 36.
Power shaft 4 two ends are arranged on rear-guard transmission case B by taper roll bearing eight respectively, and input gear 41 is sleeved on power shaft 4 by needle bearing five, then are actively coupled with power shaft 4 by rear-guard synchronized assembly 45；Bevel gear wheel 42 is coupled with power shaft 4 by flat key.
Bevel pinion 43 is arranged on rear-guard transmission case B by two taper roll bearings seven, and bevel pinion 43 is coupled with output shaft coupling 44 by spline.
In use, control clutch release bearing 6 by clutch assembly 6, make combination or disconnection that torque dupler assembly 5 couples with an axle 1, it is achieved whether the input of power；Under general operating mode, the rear-guard shifting shaft F pull-out of rear-guard transmission case B, rear-guard synchronized assembly 45 is in neutral position state, the relative power shaft 4 of input gear 41 dallies, now gear-box forerunner transmission case A works independently, by the position adjustments of forerunner shifting shaft G, have reverse gear, I grade, II grade, III grade of four kinds of gear change (Fig. 6 is shown in by gear drive schematic diagram)；When three axle synchronized assemblies 32 couple pawl wheel 12, when two axle synchronized assemblies 22 are in middle neutral gear position, III grade of gear relative two axles 2 of 23, II grade of gear 24 dally, I grade of relative three axle 3 of gear 33 dallies, one axle 1 drives pawl wheel 12 rotation, pawl wheel 12 is rotated by three axle synchronized assembly 32 band dynamic triaxial 3, three axles 3 drive differential mechanism gear wheel 35 to rotate, power is by an axle 1, pawl wheel 12, three axles 3, differential mechanism gear wheel 35, differential assembly 36, left output brake component 37, right output brake component output 38, it is achieved reverse gear；When three axle synchronized assemblies 32 couple I grade of gear 33, when two axle synchronized assemblies 22 are in middle neutral gear position, III grade of gear 23, II grade of relative two axle 2 of gear 24 dallies, pawl is taken turns 12 relative three axles 3 and is dallied, one axle 1 drives II grade of gear 24 to rotate, II grade of gear 24 drives I grade of gear 33 to rotate, I grade of gear 33 is rotated by three axle synchronized assembly 32 band dynamic triaxial 3, three axles 3 drive differential mechanism gear wheel 35 to rotate, power passes through an axle 1, II grade of gear 24, I grade of gear 33, three axles 3, differential mechanism gear wheel 35, differential assembly 36, left output brake component 37, right output brake component 38 exports, realize I grade of transmission；nullWhen three axle synchronized assemblies 32 are in middle neutral gear position，When two axle synchronized assemblies 22 couple II grade of gear 24，I grade of gear 33、Pawl is taken turns 12 relative three axles 3 and is dallied，III grade of relative three axle 3 of gear 23 dallies，One axle 1 drives II grade of gear 24 to rotate，II grade of gear 24 drives two axles 2 to rotate by two axle synchronized assemblies 22，Two axles 2 drive a shaft transmission gear 11 to rotate，Two shaft transmission gears 21 drive three shaft transmission gears 31 to rotate，Three shaft transmission gear 31 band dynamic triaxial 3 rotate，Three axles 3 drive differential mechanism gear wheel 35 to rotate，Power passes through an axle 1、II grade of gear 24、Two axles 2、Two shaft transmission gears 21、Three shaft transmission gears 31、Three axles 1、Differential mechanism gear wheel 35、Differential assembly 36、Left output brake component 37、Right output brake component 38 exports，Realize II grade of transmission；nullWhen three axle synchronized assemblies 32 are in middle neutral gear position，When two axle synchronized assemblies 22 couple III grade of gear 23，I grade of gear 33、Pawl is taken turns 12 relative three axles 3 and is dallied，II grade of relative three axle 3 of gear 24 dallies，One axle 1 drives a shaft transmission gear 11 to rotate，One shaft transmission gear 11 drives III grade of gear 23 to rotate，III grade of gear 23 drives two axles 2 to rotate by two axle synchronized assemblies 22，Two axles 2 drive two shaft transmission gears 21 to rotate，Two shaft transmission gears 21 drive three shaft transmission gears 31 to rotate，Three shaft transmission gear 31 band dynamic triaxial 3 rotate，Three axles 3 drive differential mechanism gear wheel 35 to rotate，Power passes through an axle 1、One shaft transmission gear 11、III grade of gear 23、Two axles 2、Two shaft transmission gears 21、Three shaft transmission gears 31、Three axles 3、Differential mechanism gear wheel 35、Differential assembly 36、Left output brake component 37、Right output brake component 38 exports，Realize III grade of transmission；When needs enable rear-guard power, vehicle is typically in halted state, need to advance and then driving front case A is switched to I grade, need to retreat and then driving front case A is switched to reverse gear, again rear-guard shifting shaft F on rear-guard transmission case B is advanced, shift fork drives rear-guard synchronized assembly 45 to couple input gear 41, and now differential mechanism gear wheel 35 drives input gear 41 to rotate (Fig. 7 is shown in by gear drive schematic diagram)；nullSwitching forerunner shifting shaft G，When three axle synchronized assemblies 32 couple pawl wheel 12，When two axle synchronized assemblies 22 are in middle neutral gear position，III grade of gear 23、II grade of relative two axle 2 of gear 24 dallies，I grade of relative three axle 3 of gear 33 dallies，One axle 1 drives pawl wheel 12 rotation，Pawl wheel 12 is rotated by three axle synchronized assembly 32 band dynamic triaxial 3，Three axles 3 drive differential mechanism gear wheel 35 to rotate，Differential mechanism gear wheel 35 drives input gear 41 to rotate，Input gear 41 is rotated by rear-guard synchronized assembly 45 band driven input shaft 4，Power shaft 4 drives bevel gear wheel 42 to rotate，Bevel gear wheel 42 drives bevel pinion 43 to rotate，Bevel pinion 43 drives output shaft coupling 44 to rotate by spline，Power passes through an axle 1、Pawl wheel 12、Three axles 3、Differential mechanism gear wheel 35、Input gear 41、Power shaft 4、Bevel gear wheel 42、Bevel pinion 43、Output shaft coupling 44 exports (driving front case part one axle 1、Pawl wheel 12、Three axles 3、Differential mechanism gear wheel 35、Differential assembly 36、Left output brake component 37、Right output brake component 38 exports)，Realize reversing 4 wheel driven transmission；nullSwitching forerunner shifting shaft G，When three axle synchronized assemblies 32 couple I grade of gear 33，When two axle synchronized assemblies 22 are in middle neutral gear position，III grade of gear 23、II grade of relative two axle 2 of gear 24 dallies，Pawl is taken turns 12 relative three axles 3 and is dallied，One axle 1 drives II grade of gear 24 to rotate，II grade of gear 24 drives I grade of gear 33 to rotate，I grade of gear 33 is rotated by three axle synchronized assembly 32 band dynamic triaxial 3，Three axles 3 drive differential mechanism gear wheel 35 to rotate，Differential mechanism gear wheel 35 drives input gear 41 to rotate，Input gear 41 is rotated by rear-guard synchronized assembly 45 band driven input shaft 4，Power shaft 4 drives bevel gear wheel 42 to rotate，Bevel gear wheel 42 drives bevel pinion 43 to rotate，Bevel pinion 43 drives output shaft coupling 44 to rotate by spline，Power passes through an axle 1、II grade of gear 24、I grade of gear 33、Three axles 3、Differential mechanism gear wheel 35、Differential assembly 36、Input gear 41、Power shaft 4、Bevel gear wheel 42、Bevel pinion 43、Output shaft coupling 44 export (driving front case partial power pass through an axle 1、II grade of gear 24、I grade of gear 33、Three axles 3、Differential mechanism gear wheel 35、Differential assembly 36、Left output brake component 37、Right output brake component 38 exports)，Realize advance 4 wheel driven transmission.
Compared with prior art, in the present embodiment technical scheme, use Spur Gear Driving and tooth axle Integral design, meeting gear-driven intensity simultaneously, reducing production cost；Run in during gear shift softer, little to gear impact, reduce operation noise, simple to operate, convenient and reliable.Built-in differential mechanism, it is ensured that during turning, complete machine is steady, reduces the friction of tire and ground.Realize the output of multi-direction power, decrease middle transition transfer device, box volume is reduced while improving gearing efficiency, saved installing space to occur skidding at front-wheel simultaneously, get deeply stuck in etc. when affecting complete machine by the situation of property, this type gear-box can start the rear-guard power being positioned at upper gear case in time, couple connecting shaft by output shaft coupling and send power to back axle, back axle is made also to have driving force, thus realize four-wheel drive, can not ensure in the case of normally advancing that the driving by trailing wheel makes harvester advance or retreats at front-wheel, the operating mode improving harvester adapts to ability and service efficiency.
Above content is to combine the further description that provided technical scheme is made by the preferred embodiment of the utility model creation; it is embodied as being confined to these explanations above-mentioned it cannot be assumed that the utility model is created; for the utility model creates person of an ordinary skill in the technical field; on the premise of creating design without departing from the utility model; some simple deduction or replace can also be made, all should be considered as belonging to the protection domain that the utility model is created.
Claims (7)
1. a 4 wheel driven uni-drive gear box, including forerunner's transmission case and rear-guard transmission case, it is characterised in that: described forerunner's transmission case includes an axle, a shaft transmission gear, two axles, two shaft transmission gears, III grade of gear, two axle synchronized assemblies, II grade of gear, three axles, three shaft transmission gears, I grade of gear, synchronized assembly, three axle synchronized assemblies, pawl wheel, differential mechanism gear wheel, differential assembly, left output brake component, right output brake component, hand brake assembly, torque dupler assembly and clutch assembly；Described rear-guard transmission case includes rear-guard synchronized assembly, input gear, bevel gear wheel, power shaft, bevel pinion and output shaft coupling；Described torque dupler assembly controls clutch release bearing by clutch assembly, and is actively coupled with an axle, it is achieved the input of power；A described axle engages with II grade of gear, pawl wheel respectively；One shaft transmission gear and III grade of gear engagement；Two described shaft transmission gears and the engagement of three shaft transmission gears；II grade of described gear and I grade of gear engagement；Three described axles and the engagement of differential mechanism gear wheel；Described differential mechanism gear wheel and input gear engagement；A described shaft transmission gear and an axle couple, and two shaft transmission gears and two axles couple, and II grade of gear, III grade of gear are set on two axles, then are actively coupled by two axle synchronized assemblies and two axles；Three described shaft transmission gears and three axles couple；I grade of described gear and pawl wheel are set in three axles, then are actively coupled by three axle synchronized assemblies and three axles；Described left output brake component and right output brake component couple with differential assembly respectively；Described hand brake parts and three axles couple；Described input gear is sleeved on power shaft, then is actively coupled with power shaft by rear-guard synchronized assembly；Described bevel gear wheel couples with power shaft, and bevel pinion couples with output shaft coupling, and bevel gear wheel and bevel pinion engage.
2. a kind of 4 wheel driven uni-drive gear box as claimed in claim 1, it is characterised in that: described forerunner's transmission case is to be assembled by casing and box cover；Rear-guard transmission case is to be assembled by upper box and lower box, and forerunner's transmission case is connected as one with rear-guard transmission case.
3. a kind of 4 wheel driven uni-drive gear box as claimed in claim 1, it is characterised in that: described axle one end is arranged on box cover, and the other end is then arranged on casing.
4. a kind of 4 wheel driven uni-drive gear box as claimed in claim 1, it is characterised in that: two described axle one end are arranged on box cover, and the other end is then arranged on casing.
5. a kind of 4 wheel driven uni-drive gear box as claimed in claim 1, it is characterised in that: three described axle one end are arranged on box cover, and the other end is then arranged on casing.
6. a kind of 4 wheel driven uni-drive gear box as claimed in claim 1, it is characterised in that: described differential assembly is arranged on forerunner's transmission case, and is connected into one with differential mechanism gear wheel.
7. a kind of 4 wheel driven uni-drive gear box as claimed in claim 1, it is characterised in that: described power shaft, bevel pinion are separately mounted on rear-guard transmission case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189508.5U CN205423772U (en) | 2016-03-11 | 2016-03-11 | 4 wheel driven drive gear case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189508.5U CN205423772U (en) | 2016-03-11 | 2016-03-11 | 4 wheel driven drive gear case |
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| Publication Number | Publication Date |
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| CN205423772U true CN205423772U (en) | 2016-08-03 |
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| CN201620189508.5U Active CN205423772U (en) | 2016-03-11 | 2016-03-11 | 4 wheel driven drive gear case |
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| CN (1) | CN205423772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605203A (en) * | 2016-03-11 | 2016-05-25 | 绍兴前进齿轮箱有限公司 | Four-wheel-drive transmission gear box |
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2016
- 2016-03-11 CN CN201620189508.5U patent/CN205423772U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605203A (en) * | 2016-03-11 | 2016-05-25 | 绍兴前进齿轮箱有限公司 | Four-wheel-drive transmission gear box |
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