CN104786834A - Self-adapted traction control drive axle differential mechanism - Google Patents
Self-adapted traction control drive axle differential mechanism Download PDFInfo
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- CN104786834A CN104786834A CN201510250523.6A CN201510250523A CN104786834A CN 104786834 A CN104786834 A CN 104786834A CN 201510250523 A CN201510250523 A CN 201510250523A CN 104786834 A CN104786834 A CN 104786834A
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Abstract
The invention relates to a self-adapted traction control drive axle differential mechanism. The differential mechanism is composed of a main reduction differential mechanism, a right drive torsion adjusting device and a left drive torsion adjusting device, wherein the right drive torsion adjusting device and the left drive torsion adjusting device are symmetrically arranged, are fixed on a differential mechanism shell of the main reduction differential mechanism, and have the same structure and same acting performance; and each of the right drive torsion adjusting device and the left driven torsion adjusting device comprises a torsion adjusting driving gear, a torsion adjusting driven gear, a hollow shaft, an air cylinder and a clutching mechanism. The differential mechanism has no inner speed difference interference, has high driving efficiency and saves fuel oil; torques needed by attaching conditions of all wheels can be automatically adjusted to drive an automobile to move, and the driving force of each wheel can reach the optimal state; The fundamental difference between the differential mechanism provided by the invention and an existing regular locking differential mechanism is that a bidirectional clutch is arranged and is normally engaged to control the torsion performance; and the differential mechanism is pneumatically reversed in a process of baking up. Therefore, the power utilization rate and the all-terrain and all-weather working conditions are greatly improved, and the self-adapted control capability can be 100% so that the differential mechanism can be used for large and small vehicles.
Description
Technical field
The invention belongs to wheeled car drive technology field, relate to a kind of diff, particularly relate to a kind of self adaptation polling power controlling drive axle diff, be specially adapted to load-carrying vehicle drive axle and engineering truck drive axle.
Background technology
There will be tyre skidding phenomenon in wheeled car driving process, affect travel safety and stability.And vehicle slip, be zero nothing more than being the excessive rotating speed that causes of one end propulsive effort due to drive wheel, the relative little rotating speed of other end propulsive effort is 2 times of output speeds, causes skidding vehicle not walk.Therefore, realize the control to vehicle slip, the rotating speed that just must control any one end of drive wheel is all non-vanishing.The mode of current control vehicle slip has electron steering and mechanical locking two kinds, and these two kinds of modes all have certain drawback:
Electron steering tyre skidding ability can only reach about 30% of the difference of left and right two-wheeled attachment, so can only be used for dilly, can not be used for full size vehicle, no matter and moment of torsion is excessive time be that full size vehicle or dilly are all completely inapplicable;
Mechanical locking adopts differential mechanical lock, is generally used for the full size vehiclees such as bogie; Mechanical lock is when locking differential, and it is driven through ability is 100%, but importantly locking differential can not lead, and steering wheel operation is malfunctioning, and automobile can only take the air line, and this has certain qualifications to track route, and manoevreability is very poor.
In the patent of ZL98100725.2 composite high-passage differential transmission mechanism and No. ZL2006200963024 a kind of AWD differential driver, time normal by 4-wheel driven car, 4 wheel driven is improved to front-wheel and the indissociable AWD of trailing wheel, solves the non-slip and non-slip problem of front and back wheel of automobile diagonal angle wheel; At the antiskid transfer case of No. 200610019528.9, improve further and solve vehicle left and right front and back wheel bridge torque distribution problem.Its technology can only for the newly-designed car of 4 × 4,6 × 6,6 × 4,8 × 8, can not reproduce to have on car to fill use, can not apply on 4 × 2 cars, promotes difficulty larger.
Therefore, develop a kind of drive axle differential gear that effectively can distribute engine power, be applicable to load-carrying vehicle drive axle and the moment of torsion intermodulation of engineering truck drive axle and anti-skidding problem is real is necessary to solve.
Summary of the invention
The present invention in order to solve the problems of the technologies described above, and proposes a kind of engine power differential gear that effectively distributes, and is applicable to the self adaptation polling power controlling drive axle diff of load-carrying vehicle drive axle and engineering truck drive axle.
The present invention is achieved by the following scheme:
Described self adaptation polling power controlling drive axle diff, subtracts diff by fixed drive axle housing and the master be installed in fixed drive axle housing, power twister is adjusted in right driving and left driving adjusts power twister to form; Described master subtracts diff and is made up of main reduction gear driving gear, main reduction gear ring gear and diff; The described main deceleration driving gear of described main deceleration ring gear engagement, with described diff assembly connection; Described diff comprises differential casing, left jack shaft and right jack shaft; Described differential casing is fixedly connected with described main deceleration ring gear; Described left jack shaft and the clutch end of right jack shaft stretch out from described differential casing respectively; Described left driving adjusts power twister and right driving to adjust power twister structure identical, subtract diff relative to described master to be arranged symmetrically with, being fixed on described master subtracts on the differential casing of diff, includes and adjusts torsion driving gear, tune torsion ring gear, hollow shaft, cylinder, two-way clutch cover, ratchet, ratchet, idle wheel and adjust torsion shaft gear; Described tune torsion driving gear is fixedly connected with the differential casing that described master subtracts diff; Described tune torsion ring gear engages described tune torsion driving gear, and being connected by spline with the power intake of described hollow shaft is an entirety, and is supported on described fixed drive axle housing, can rotate relative to described fixed drive axle housing; Described hollow shaft rotates with adjusting the rotation of torsion ring gear; Described cylinder is fixed on described fixed drive axle housing, is positioned at the outside of the clutch end of described hollow shaft; Described two-way clutch cover, by hollow shaft described in spline assembly connection, can move axially relative to described hollow shaft, connect the clutch end of described cylinder; The two ends of described two-way clutch cover are respectively equipped with two end teeth, and the end tooth direction wherein away from one end of described cylinder is consistent with automobile working direction, and the other end is consistent with car reversed direction near the end tooth direction of described cylinder; Described idle wheel is set on the cylindrical of described two-way clutch cover, engages described tune torsional wheel shaft gear; Described ratchet is a pair, is sheathed on described hollow shaft, is symmetricly set in described two-way clutch cover outside; Described ratchet wherein near described cylinder is provided with overdrive clutch tooth at the end face deviating from described cylinder, and the described ratchet away from described cylinder is provided with overdrive clutch tooth at its end face in the face of described cylinder; Two pawl slots that the circumference of described ratchet is provided with; Described ratchet is symmetrical two couple laid, and is symmetricly set in the two ends of described idle wheel respectively; These two pairs of ratchets can rotate, and are connected by pawl axis, and the clutch that matches with the pawl slot of described ratchet is respectively connected; The described ratchet being positioned at its two ends is connected after described pawl axis runs through the both ends of the surface of described idle wheel; Described tune torsion shaft gear and described left jack shaft or right jack shaft spline are fixed with one.
Described self adaptation polling power controlling drive axle diff, wherein: described fixed drive axle housing comprises front end cover and rear side housing; Assembling through hole is provided with in the middle part of described front end cover; The gear wheel shaft power intake of described main deceleration driving gear, through the assembly opening of the front end cover of described fixed drive axle housing, connects described front end cover by bearing assemble.
Described self adaptation polling power controlling drive axle diff, wherein: the propulsive effort that described master subtracts diff is directly passed to wheel walking and left and right differential by the left and right jack shaft of described diff.
Described self adaptation polling power controlling drive axle diff, wherein: described diff comprises center cross, planetary wheel, left hollow half axle gear and right hollow half axle gear; Described center cross rigidity assembly connection is on described differential casing; Described planetary wheel is assemblied in described center cross, keeps same rotating speed by described center cross and described differential casing; Described left hollow half axle gear and right hollow half axle gear are symmetrical arranged about described center cross, engage described planetary wheel simultaneously, and respectively by female splines and described left jack shaft and right jack shaft assembly connection.
Described self adaptation polling power controlling drive axle diff, wherein: described tune torsion driving gear is fixedly connected with the differential casing that described master subtracts diff by fastener, the left jack shaft described in empty set or right jack shaft.
Described self adaptation polling power controlling drive axle diff, wherein: the middle part of described hollow shaft offers the hole, microscler road be disposed radially, and clutch end connects described fixed drive axle housing by bearing assemble; Described two-way clutch cover is positioned at the position in the hole, microscler road of described hollow shaft, and is connected and fixed by bearing pin and described cylinder, and described bearing pin also can move forward and backward through the hole, microscler road of described hollow shaft in this hole, microscler road.
Described self adaptation polling power controlling drive axle diff, wherein: described cylinder comprises cylinder push-rod, cylinder piston and air nozzle; The front end of described cylinder push-rod is stretched in described hollow shaft, and through hole, described microscler road, rear end connects described cylinder piston, between described cylinder push-rod and hollow shaft clutch end, be equiped with pull back spring, is supported on the inner chamber end wall of described hollow shaft; Described cylinder piston is positioned at cylinder block, described cylinder block is divided into two air chambers; Described air nozzle is located on the cylinder block wall of the described air chamber of described cylinder push-rod.
Beneficial effect:
Inner speed difference does not occur during the effective distributed power of anti-slip differential interfere, drive efficiency is high, saves fuel oil.Not by the interference of electromagnetic wave, salt fog, the temperature difference, adapt to wide; Automatically can adjust the torque drive automobile traveling required for attachment condition of each wheel, each wheel drive force can reach optimum regime, substantially increases degree of utilization and the All-Terrain All Climate service conditions of power.Cost is slightly higher than the automobile cost driven before and after common timesharing, but than the automobile cost of the electron controls technology of auto trade is much lower in the world at present, its Performance Ratio Eltec is high a lot.This technology diff and existing conventional locking differential fundamental difference are that being provided with bidirectional clutch controls torsion usefulness for often be engaged, only when reversing talent move to.Therefore the self adaptation polling power controlling ability of this technology reaches 100% and can be used for size vehicle.
Non-slip without road place walking wheel on any extreme difference ground, carrying capacity is extremely strong; Automatically by moment of torsion intermodulation between each wheel in the anti-skidding process of differential, drive efficiency is the highest, energy fuel-economizing; Test results is when ice and snow bends 30Kn/h braking on descending road, and automobile is whipping not, and safety is good; Test results uses the driving device of this technology to be contained on the full-time full wheel of more than four-wheel drives entirely, if when automobile has fallen a wheel under steam, this car still can move forward, and stretch journey is not overturned, safety is good.
While automatic control wheel is non-slip, it is unaffected that vehicle travels turn control stability, still keeps the alerting ability of directional control, identical with 4 × 2 motor turning performances.
This technology can be generalized to use on existing all 4 × 2,4 × 4,6 × 6,6 × 4 and 8 × 8 conventional vehicle and cost is not high.Do not change former chassis structure, just change part-time case and drive axle.This technological use is extensive, and market is huge, greatly can improve the traction usefulness of automobile and fuel-economizing.But this usage can only solve anti-skidding and tractive force efficiency, improve the problem that existing automobile reduces highly and the chassis ground Clearance improves comprehensively.
The former chassis structure of thorough change, design the integration of brand-new transfer diff, its chassis advantage is huge.
Except auto in Braking not whipping on the ice snow covered pavement that the external uphill/downhill of 4 × 2 cars is turned, because of the in good time mutual deviation speed governing of full wheel, each wheel and ground demand speed are adapted; When running middling speed, if run away a wheel, the automobile that anti-slip differential part-time case the is housed segment distance that still can move ahead does not overturn.
Accompanying drawing explanation
Fig. 1 is the structural representation of self adaptation polling power controlling drive axle diff of the present invention;
Fig. 2 is that power twister structural representation is adjusted in the right driving of self adaptation polling power controlling drive axle diff of the present invention;
Fig. 3 is that power twister structural representation is adjusted in the left driving of self adaptation polling power controlling drive axle diff of the present invention;
Fig. 4 is the Bidirectional clutching structure schematic diagram of self adaptation polling power controlling drive axle diff of the present invention;
Fig. 5 is the ratchet structure schematic diagram of self adaptation polling power controlling drive axle diff of the present invention;
Fig. 6 is ratchet of the present invention and ratchet mesh schematic representation;
Fig. 7 is differential control schematic diagram of the present invention.
Detailed description of the invention
As shown in Figures 1 to 6, self adaptation polling power controlling drive axle diff of the present invention subtracts diff 2 by fixed drive axle housing 1 and the master be installed in fixed drive axle housing 1, power twister 3 is adjusted in right driving and left driving adjusts power twister 4 to form.
Fixed drive axle housing 1 comprises front end cover 11 and rear side housing 12; Assembling through hole 110 is provided with in the middle part of front end cover 11.
Master subtracts diff 2 and is made up of main reduction gear driving gear 21, main reduction gear ring gear 22 and diff 23, and its propulsive effort is directly passed to wheel walking and left and right differential by the left and right jack shaft of diff 23;
Wherein the gear wheel shaft 211 of main deceleration driving gear 21 is solid semiaxis, and power intake passes the assembly opening 110 of the front end cover 11 of fixed drive axle housing 1, by bearing 210 assembly connection front end cover 11;
Main deceleration ring gear 22 engages main deceleration driving gear 21, with diff 23 assembly connection;
Diff 23 comprises differential casing 231, center cross 232, planetary wheel 233, left hollow half axle gear 234, left jack shaft 235, right hollow half axle gear 236 and right jack shaft 237; Differential casing 231 is fixedly connected with main deceleration ring gear 22; Center cross 232 rigidity assembly connection is on differential casing 231; Planetary wheel 233 is assemblied in center cross 232, keeps same rotating speed by center cross 232 and differential casing 231; Left hollow half axle gear 234 and right hollow half axle gear 236 are symmetrical arranged about center cross 232, simultaneously meshing planetary gear 233, and respectively by female splines and left jack shaft 235 and right jack shaft 237 assembly connection; The clutch end of left jack shaft 235 and right jack shaft 237 stretches out from differential casing 231 respectively.
Right driving is adjusted power twister 3 and left driving to adjust power twister 4 to subtract diff 2 relative to master and is arranged symmetrically with, its structure is identical, effect propety is identical, includes and adjusts torsion driving gear, tune torsion ring gear, hollow shaft, cylinder, two-way clutch cover, ratchet, ratchet, idle wheel and adjust torsion shaft gear; Adjust power twister 3 to dissect with right driving below to state clearly:
As shown in Fig. 2, Fig. 4 and Fig. 5, right driving adjusts power twister 3 to be fixed on main subtracting on the differential casing 231 of diff 2, comprises the first tune torsion driving gear 31, first and adjusts torsion ring gear 32, first hollow shaft 33, first cylinder 34, first two-way clutch cover 35, first idle wheel 36, first ratchet 37, first ratchet 38 and first to adjust torsion shaft gear 39;
First adjusts torsion driving gear 31 to be fixedly connected with the main differential casing 231 subtracting diff 2 by fastener, the right jack shaft 237 of empty set;
First adjusts torsion ring gear 32 to engage the first tune torsion driving gear 31, and being connected by spline with the power intake of the first hollow shaft 33 is an entirety, and is supported on fixed drive axle housing 1, can rotate relative to fixed drive axle housing 1;
The middle part of the first hollow shaft 33 offers the hole, microscler road 331 be disposed radially, and clutch end is by bearing 332 assembly connection fixed drive axle housing 1; First hollow shaft 33 is adjusted the rotation of torsion ring gear 32 with first and rotates;
First cylinder 34 is fixed on fixed drive axle housing 1, is positioned at the outside of the clutch end of the first hollow shaft 33, comprises cylinder push-rod 341, cylinder piston 342 and air nozzle 343; The front end of cylinder push-rod 341 is stretched in the first hollow shaft 33, and through hole, microscler road 331, rear end connects cylinder piston 342, is equiped with the first pull back spring 344, is supported on the end wall of the first hollow shaft 33 inner chamber in cylinder push-rod 341 and the first hollow shaft 33 clutch end; Cylinder piston 342 is positioned at cylinder block 345, cylinder block 345 is divided into two air chambers; Air nozzle 343 is located on the cylinder block wall of the air chamber of cylinder push-rod 341;
First two-way clutch cover 35 is by spline assembly connection first hollow shaft 33, be positioned at the position in the hole, microscler road 331 of the first hollow shaft 33, and be connected and fixed with cylinder push-rod 341 by the first bearing pin 351, this bearing pin 351 also can move forward and backward through the elongated hole 331 of the first hollow shaft 33 in this elongated hole 331; The two ends of the first two-way clutch cover 35 are respectively equipped with two end teeth and (please indicate in the drawings, thanks, does is what structure identify in current Fig. 3 252?), end tooth direction wherein away from one end of the first cylinder 34 is consistent with automobile working direction, and the other end is consistent with car reversed direction near the end tooth direction of the first cylinder 34;
First idle wheel 36 is set on the cylindrical of the first two-way clutch cover 35, and torsion shaft gear 39 is adjusted in engagement first.
First ratchet 37 is a pair, is sheathed on the first hollow shaft 33, is symmetricly set in outside the first two-way clutch cover 35; Wherein near the ratchet of the first cylinder 34, its end face deviating from the first cylinder 34 is provided with overdrive clutch tooth 370, and the ratchet away from the first cylinder 34 is provided with overdrive clutch tooth 370 at its end face in the face of the first cylinder 34; Two pawl slots 371 that the circumference of the first ratchet 37 is provided with.
First ratchet 38 is symmetrical two couple laid, and is symmetricly set in the two ends of the first idle wheel 36 respectively; These two pairs of ratchets can rotate, and are connected by pawl axis 381, and two pawl slots 371 be provided with the circumference of the first ratchet 37 respectively clutch that matches is connected; This pawl axis 381 connects first ratchet 38 at two ends after running through the both ends of the surface of the first idle wheel 36.
First adjusts torsion shaft gear 39 and right jack shaft 237 to be fixed with one with spline.
As shown in Fig. 3, Fig. 4 and Fig. 5, left driving is adjusted power twister 4 to be left jack shaft and is adjusted power twister, with right drive adjust the properity of power twister 3, act on identical, symmetrical placement, comprises the second tune torsion driving gear 41, second and adjusts torsion ring gear 42, second hollow shaft 43, second cylinder 44, second two-way clutch cover 45, second idle wheel 46, second ratchet 47, second ratchet 48 and second to adjust torsion shaft gear 49;
Second adjusts torsion driving gear 41 to be fixedly connected with the main differential casing 231 subtracting diff 2 by fastener, the left jack shaft 235 of empty set;
Second adjusts torsion ring gear 42 to engage the second tune torsion driving gear 41, and being connected by spline with the power intake of the second hollow shaft 43 is an entirety, and is supported on fixed drive axle housing 1, can rotate relative to fixed drive axle housing 1;
The middle part of the second hollow shaft 43 offers the hole, microscler road 431 be disposed radially, and clutch end is by bearing 432 assembly connection fixed drive axle housing 1; Second hollow shaft 43 is adjusted the rotation of torsion ring gear 42 with second and rotates;
Second cylinder 44 is fixed on fixed drive axle housing 1, is positioned at the outside of the clutch end of the second hollow shaft 43, comprises cylinder push-rod 441, cylinder piston 442 and air nozzle 443; The front end of cylinder push-rod 441 is stretched in the second hollow shaft 43, and through hole, microscler road 431, rear end connects cylinder piston 442, is equiped with the second pull back spring 444, is supported on the end wall of the second hollow shaft 43 inner chamber in cylinder push-rod 441 and the second hollow shaft 43 clutch end; Cylinder piston 442 is positioned at cylinder block 445, cylinder block 445 is divided into two air chambers; Air nozzle 443 is located on the cylinder block wall of the air chamber of cylinder push-rod 441;
Second two-way clutch cover 45 is by spline assembly connection second hollow shaft 43, be positioned at the position in the hole, microscler road 431 of the second hollow shaft 43, and be connected and fixed with cylinder push-rod 441 by the second bearing pin 451, this bearing pin 451 also can move forward and backward through the elongated hole 431 of the second hollow shaft 43 in this elongated hole 431; The two ends of the second two-way clutch cover 45 are respectively equipped with two end teeth, and the end tooth direction wherein away from one end of the second cylinder 44 is consistent with automobile working direction, and the other end is consistent with car reversed direction near the end tooth direction of the second cylinder 44;
Second idle wheel 46 is set on the cylindrical of the second two-way clutch cover 45, and torsion shaft gear 49 is adjusted in engagement second.
Second ratchet 47 is a pair, is sheathed on the second hollow shaft 43, is symmetricly set in outside the second two-way clutch cover 45; Wherein near the ratchet of the second cylinder 44, its end face deviating from the second cylinder 44 is provided with overdrive clutch tooth 470, and the ratchet away from the second cylinder 44 is provided with overdrive clutch tooth 470 at its end face in the face of the second cylinder 44; Two pawl slots 471 that the circumference of the second ratchet 47 is provided with.
Second ratchet 48 is symmetrical two couple laid, and is symmetricly set in the two ends of the second idle wheel 46 respectively; These two pairs of ratchets can rotate, and are connected by pawl axis 481, and two pawl slots 471 be provided with the circumference of the second ratchet 47 respectively clutch that matches is connected; This pawl axis 481 connects second ratchet 48 at two ends after running through the both ends of the surface of the second idle wheel 46.
Second adjusts torsion shaft gear 49 and left jack shaft 235 to be fixed with one with spline.
As shown in Figure 6, Figure 7, left driving shaft adjusts power twister 4 and right driving axle to adjust the principle of work of power twister 3 as follows:
For the right side, right driving adjusts power twister 3 to be adjust torsion driving gear 31 to be solidified as a whole as same rotating speed n and first adjusts torsion ring gear 32 to engage with the main differential housing 231 subtracted in diff 2 by first, and first adjusts torsion ring gear 32 to be engaged the first hollow shaft 33 drive overlaps 35 with the first two-way clutch of its spline joint;
When automobile advance travels, promote the first cylinder push-rod 341 by the first pull back spring 344 and drive the first bearing pin 351, drive the first two-way clutch cover 35 to surmount tooth with the end face of the ratchet of first cylinder 24 close in the first ratchet 37 to be automatically often engaged, two pawl slots 371 that the circumference of this ratchet is provided with are engaged the ratchet near the first cylinder 24 in the first ratchet 37, pawl axis 371 is driven to drive the first idle wheel 36 to rotate, engagement first adjusts torsion shaft gear 39 to rotate, and first adjust the rotating speed of torsion shaft gear 39 automobile turn minimum curved time outer wheel speeds equal n+ n
max, and first adjusts torsion driving gear 32 rotating speed to equal n for revolution speed.
The right revolution ratio relation of the force-transmitting gear in tune power twister 3 that drives of example is, first adjusts the number of teeth of torsion ring gear 32 to be adjusted torsion driving gear 31 to remove by first, be multiplied by first tune torsion shaft gear 39 number of teeth again, equaled n by first idle wheel 36 number of teeth rotating speed that must meet tune first torsion driving gear 39 that is divided by, first adjusts torsion shaft gear 39 rotating speed to equal to be greater than n+ n
max.
Automobile driving wheel foreign steamer maximum speed equals n+ n
maxduring minimum turning, minimum speed is n straight-line travelling.When establishing automobile to turn in this technology left right jack shaft 237 rotating speed from n to n+ n
maxprocess in the first idle wheel 36, first ratchet 37 be throw off, when first adjusts torsion shaft gear 39 rotating speed to reach n+ n
maxin time, is engaged entirely, inside and outside the drive wheel that this designs minimum turning in wheel speed difference condition completely differential without interference.When skidding in automobile side as left jack shaft and traction large without rotating speed, right jack shaft 237 ground is without adhesive ability, and rotating speed cannot travel to automobile during 2n.The turn up n+ n of the right jack shaft 237 of this technology
maxin time, is subject to right driving and adjusts the control of power twister 3, and the rotating speed of left jack shaft 235 at this moment still remains n-n
(max)power-handling capability.
During reversing, utilize the reverse gear switch of Automotive transmission by handling single automatically controlled two position three-way valve to air nozzle 343 air inlet, control cylinder push rod 341 is with the first dynamic two-way clutch cover 35 outwards to move, end face overdrive clutch tooth is engaged with the first ratchet 37, play with advance walk time the same driving force effect that disappears.
Left driving adjusts power twister 4 to adjust power twister 3 structural behaviour function identical with right driving, and such as, when the traction of left jack shaft 235 equals zero, its basic fundamental controls maximum speed of revolution n+ n
maxin time, is subject to left driving and adjusts the restriction of power twister 4 rotating speed to turn without reaching 2n, and at this moment the rotating speed of right jack shaft 237 is n-n
maxthere are enough power-handling capabilities.
Claims (7)
1. a self adaptation polling power controlling drive axle diff, is characterized in that: described diff subtracts diff by fixed drive axle housing and the master be installed in fixed drive axle housing, power twister is adjusted in right driving and left driving adjusts power twister to form;
Described master subtracts diff and is made up of main reduction gear driving gear, main reduction gear ring gear and diff; The described main deceleration driving gear of described main deceleration ring gear engagement, with described diff assembly connection; Described diff comprises differential casing, left jack shaft and right jack shaft; Described differential casing is fixedly connected with described main deceleration ring gear; Described left jack shaft and the clutch end of right jack shaft stretch out from described differential casing respectively;
Described left driving adjusts power twister and right driving to adjust power twister structure identical, subtract diff relative to described master to be arranged symmetrically with, being fixed on described master subtracts on the differential casing of diff, includes and adjusts torsion driving gear, tune torsion ring gear, hollow shaft, cylinder, two-way clutch cover, ratchet, ratchet, idle wheel and adjust torsion shaft gear;
Described tune torsion driving gear is fixedly connected with the differential casing that described master subtracts diff;
Described tune torsion ring gear engages described tune torsion driving gear, and being connected by spline with the power intake of described hollow shaft is an entirety, and is supported on described fixed drive axle housing, can rotate relative to described fixed drive axle housing;
Described hollow shaft rotates with adjusting the rotation of torsion ring gear;
Described cylinder is fixed on described fixed drive axle housing, is positioned at the outside of the clutch end of described hollow shaft;
Described two-way clutch cover, by hollow shaft described in spline assembly connection, can move axially relative to described hollow shaft, connect the clutch end of described cylinder; The two ends of described two-way clutch cover are respectively equipped with two end teeth, and the end tooth direction wherein away from one end of described cylinder is consistent with automobile working direction, and the other end is consistent with car reversed direction near the end tooth direction of described cylinder;
Described idle wheel is set on the cylindrical of described two-way clutch cover, engages described tune torsional wheel shaft gear;
Described ratchet is a pair, is sheathed on described hollow shaft, is symmetricly set in described two-way clutch cover outside; Described ratchet wherein near described cylinder is provided with overdrive clutch tooth at the end face deviating from described cylinder, and the described ratchet away from described cylinder is provided with overdrive clutch tooth at its end face in the face of described cylinder; Two pawl slots that the circumference of described ratchet is provided with;
Described ratchet is symmetrical two couple laid, and is symmetricly set in the two ends of described idle wheel respectively; These two pairs of ratchets can rotate, and are connected by pawl axis, and the clutch that matches with the pawl slot of described ratchet is respectively connected; The described ratchet being positioned at its two ends is connected after described pawl axis runs through the both ends of the surface of described idle wheel;
Described tune torsion shaft gear and described left jack shaft or right jack shaft spline are fixed with one.
2. self adaptation polling power controlling drive axle diff as claimed in claim 1, is characterized in that: described fixed drive axle housing comprises front end cover and rear side housing; Assembling through hole is provided with in the middle part of described front end cover;
The gear wheel shaft power intake of described main deceleration driving gear, through the assembly opening of the front end cover of described fixed drive axle housing, connects described front end cover by bearing assemble.
3. self adaptation polling power controlling drive axle diff as claimed in claim 1, is characterized in that: the propulsive effort that described master subtracts diff is directly passed to wheel walking and left and right differential by the left and right jack shaft of described diff.
4. the self adaptation polling power controlling drive axle diff as described in as arbitrary in claim 1-3, is characterized in that: described diff comprises center cross, planetary wheel, left hollow half axle gear and right hollow half axle gear; Described center cross rigidity assembly connection is on described differential casing; Described planetary wheel is assemblied in described center cross, keeps same rotating speed by described center cross and described differential casing; Described left hollow half axle gear and right hollow half axle gear are symmetrical arranged about described center cross, engage described planetary wheel simultaneously, and respectively by female splines and described left jack shaft and right jack shaft assembly connection.
5. the self adaptation polling power controlling drive axle diff as described in as arbitrary in claim 1-3, it is characterized in that: described tune torsion driving gear is fixedly connected with the differential casing that described master subtracts diff by fastener, the left jack shaft described in empty set or right jack shaft.
6. the self adaptation polling power controlling drive axle diff as described in as arbitrary in claim 1-3, is characterized in that: the middle part of described hollow shaft offers the hole, microscler road be disposed radially, and clutch end connects described fixed drive axle housing by bearing assemble;
Described two-way clutch cover is positioned at the position in the hole, microscler road of described hollow shaft, and is connected and fixed by bearing pin and described cylinder, and described bearing pin also can move forward and backward through the hole, microscler road of described hollow shaft in this hole, microscler road.
7. self adaptation polling power controlling drive axle diff as claimed in claim 6, is characterized in that: described cylinder comprises cylinder push-rod, cylinder piston and air nozzle; The front end of described cylinder push-rod is stretched in described hollow shaft, and through hole, described microscler road, rear end connects described cylinder piston, between described cylinder push-rod and hollow shaft clutch end, be equiped with pull back spring, is supported on the inner chamber end wall of described hollow shaft; Described cylinder piston is positioned at cylinder block, described cylinder block is divided into two air chambers; Described air nozzle is located on the cylinder block wall of the described air chamber of described cylinder push-rod.
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| CN201510250523.6A CN104786834B (en) | 2015-05-15 | 2015-05-15 | Self-adapted traction control drive axle differential mechanism |
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| CN201510250523.6A CN104786834B (en) | 2015-05-15 | 2015-05-15 | Self-adapted traction control drive axle differential mechanism |
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| CN104786834B CN104786834B (en) | 2017-05-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107420517A (en) * | 2017-08-15 | 2017-12-01 | 十堰戎马汽车特种传动有限公司 | Rear wheel independent suspension vibration absorber in automobile |
| CN107725719A (en) * | 2017-11-21 | 2018-02-23 | 十堰戎马汽车特种传动有限公司 | High motor-driven transfer gear |
| CN107757356A (en) * | 2017-11-07 | 2018-03-06 | 北京博格华纳汽车传动器有限公司 | A kind of automobile-used decelerator with differential lock |
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| CN107420517A (en) * | 2017-08-15 | 2017-12-01 | 十堰戎马汽车特种传动有限公司 | Rear wheel independent suspension vibration absorber in automobile |
| CN107420517B (en) * | 2017-08-15 | 2023-11-07 | 十堰戎马汽车特种传动有限公司 | Independent suspension vibration damper for middle and rear wheels of automobile |
| CN109421525A (en) * | 2017-09-01 | 2019-03-05 | 三菱自动车工业株式会社 | Driving force adjustment equipment |
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| CN107725719A (en) * | 2017-11-21 | 2018-02-23 | 十堰戎马汽车特种传动有限公司 | High motor-driven transfer gear |
| CN107725719B (en) * | 2017-11-21 | 2024-05-07 | 十堰戎马汽车特种传动有限公司 | High-mobility transfer case |
| CN112513488A (en) * | 2018-10-08 | 2021-03-16 | 宝马股份公司 | Switchable bidirectional freewheel coupling and motor vehicle drive having a coupling |
| US11708872B2 (en) | 2018-10-08 | 2023-07-25 | Bayerische Motoren Werke Aktiengesellschaft | Shiftable bidirectional freewheel clutch device, and drive device for a motor vehicle comprising the clutch device |
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