CN104786834B - Self-adapted traction control drive axle differential mechanism - Google Patents
Self-adapted traction control drive axle differential mechanism Download PDFInfo
- Publication number
- CN104786834B CN104786834B CN201510250523.6A CN201510250523A CN104786834B CN 104786834 B CN104786834 B CN 104786834B CN 201510250523 A CN201510250523 A CN 201510250523A CN 104786834 B CN104786834 B CN 104786834B
- Authority
- CN
- China
- Prior art keywords
- differential mechanism
- axle
- gear
- cylinder
- differential
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Retarders (AREA)
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 vehicle drive technology field, is related to a kind of differential mechanism, more particularly to a kind of traction of self adaptation
Power controls drive axle differential mechanism, is particularly well-suited to load-carrying vehicle drive axle and engineering truck drive axle.
Background technology
Wheel-slip phenomenon occurs during wheeled vehicle traveling, travel safety and stability is affected.And vehicle is beaten
Sliding, nothing more than being to cause rotating speed to be zero as one end driving force of driving wheel is excessive, the relative little rotating speed of other end driving force is 2
Times output speed, causes skidding vehicle walk.Therefore, the control to vehicle slip will be realized, driving wheel must be just controlled
The rotating speed of arbitrarily one end is all not zero.The mode of control vehicle slip has two kinds of Electronic Control and mechanical locking at present, both
The drawbacks of mode all there are certain：
Electronic Control wheel-slip ability can only achieve the 30% or so of the difference of left and right two-wheeled attachment, so being only used for little
Type vehicle, it is impossible to for oversize vehicle, and moment of torsion it is excessive when whether oversize vehicle or dilly are not all applied to completely；
Mechanical locking is, using differential mechanical lock, to be generally used for the oversize vehicles such as bogie；Mechanical lock is in locking differential
When, it is 100% which is driven through ability, it is important that locking differential can not be oriented to, steering wheel operation failure, automobile can only
Take the air line, this there are certain qualificationss to track route, mobility is very poor.
ZL98100725.2 composite high-passage differential transmission mechanisms and ZL2006200963024 one kind are complete
When 4 wheel driven differential driver patent in, by 4-wheel driven car it is normal when 4 wheel driven be improved to front wheels and rear wheels indissociable full-time four
Drive, solve that the diagonal wheel of automobile is non-slip and the non-slip problem of front and back wheel；In the anti-skidding transfer of No. 200610019528.9
Device, further improves and solves the left and right front and back wheel bridge moment of torsion assignment problem of vehicle.Its technology is only used for 4 × 4,6 × 6,6 ×
4th, on 8 × 8 newly-designed car, it is impossible to which reproduction has dress on car to use, it is impossible to applies on 4 × 2 cars, promotes difficulty larger.
Therefore, a kind of drive axle differential gear that can effectively distribute engine power is developed, to solve suitable for carrying
Loaded vehicle drive axle and engineering truck drive axle moment of torsion intermodulation anti-skidding problem are necessary in fact.
The content of the invention
The present invention is in order to solve above-mentioned technical problem, and proposes a kind of effectively distribution engine power differential gear, is suitable for
In the self adaptation polling power controlling drive axle differential mechanism 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 differential mechanism, by fixed drive axle housing and being installed in fixed drive axle housing
Interior master subtracts differential mechanism, right driving and adjusts power twister and left driving to adjust power twister to constitute；It is by main reducing gear that the master subtracts differential mechanism
Driving gear, main reducing gear driven gear and differential mechanism composition；The main deceleration driven gear engages the main deceleration driving tooth
Wheel, with the differential mechanism assembly connection；The differential mechanism includes differential casing, left jack shaft and right jack shaft；It is described
Differential casing is fixedly connected with the main deceleration driven gear；The power output of described left jack shaft and right jack shaft
Stretch out from the differential casing respectively at end；The left driving adjusts power twister to adjust power twister structure identical with right driving, relative to
The master subtracts differential mechanism and is arranged symmetrically, and is fixed on the master and subtracts on the differential casing of differential mechanism, including tune torsion driving tooth
Wheel, tune torsion driven gear, hollow axle, cylinder, two-way clutch set, ratchet, ratchet, idle wheel and tune torsion shaft gear；The tune
The differential casing that torsion driving gear subtracts differential mechanism with the master is fixedly connected；The tune torsion driven gear engages the tune
Torsion driving gear, is connected by spline with the power intake of the hollow axle overall for one, and is supported on the fixed drive
Dynamic axle housing, can rotate relative to the fixed drive axle housing；The hollow axle is rotated with the rotation of torsion driven gear is adjusted；Institute
State cylinder and be fixed on the fixed drive axle housing, positioned at the outside of the clutch end of the hollow axle；It is described it is two-way from
Trap can be moved axially relative to the hollow axle by hollow axle described in spline assembly connection, connect the power of the cylinder
Outfan；What the two-way clutch covered is respectively arranged at two ends with two end teeth；The idle wheel is set in the outer of the two-way clutch set
On circle, the tune torsion wheel axle gear is engaged；The ratchet is a pair, is sheathed on the hollow axle, is symmetricly set in described
Two-way clutch set outside；The ratchet wherein near the cylinder is provided with overdrive clutch tooth in the end face away from the cylinder,
Overdrive clutch tooth is provided with its end face for facing the cylinder away from the ratchet of the cylinder；The circumference of the ratchet is provided with
Two pawl slots；The ratchet is symmetrical two couple for laying, and is respectively symmetrically the two ends for being arranged at the idle wheel；Two pairs of ratchets
Can rotate, and be connected by pawl axis, the clutch that matched with the pawl slot of the ratchet respectively is connected；The pawl axis
The ratchet of the connection positioned at its two ends after the both ends of the surface of the idle wheel；The tune torsion shaft gear and the left driving half
Axle or right jack shaft are fixed with one with spline.
Described self adaptation polling power controlling drive axle differential mechanism, wherein：The fixed drive axle housing include drive end bearing bracket and
Rear end cap；Assembling through hole is provided with the middle part of the drive end bearing bracket；The gear shaft power intake of the main deceleration driving gear passes through institute
The pilot hole of the drive end bearing bracket of fixed drive axle housing is stated, by drive end bearing bracket described in bearing assembly connection.
Described self adaptation polling power controlling drive axle differential mechanism, wherein：The master subtracts the driving force of differential mechanism and passes through institute
The left and right jack shaft for stating differential mechanism is directly passed to wheel walking left and right differential.
Described self adaptation polling power controlling drive axle differential mechanism, wherein：The differential mechanism includes cross axle, planet tooth
Wheel, left hollow half axle gear and right hollow half axle gear；The cross axle rigidity assembly connection is on the differential casing；Institute
State planetary gear and be assemblied in the cross axle, same rotating speed is kept with the differential casing by the cross axle；A described left side
Hollow half axle gear and right hollow half axle gear are symmetrical arranged with regard to the cross axle, while the engagement planetary gear, and point
Tong Guo not internal spline and described left jack shaft and right jack shaft assembly connection.
Described self adaptation polling power controlling drive axle differential mechanism, wherein：The tune torsion driving gear passes through securing member
The differential casing for subtracting differential mechanism with the master is fixedly connected, the left jack shaft or right jack shaft described in empty set.
Described self adaptation polling power controlling drive axle differential mechanism, wherein：Offer radially in the middle part of the hollow axle
The elongated road hole for arranging, clutch end pass through fixed drive axle housing described in bearing assembly connection；The two-way clutch set is located at
The position in the elongated road hole of the hollow axle, and be connected with the cylinder by bearing pin, the bearing pin passes through described hollow
The elongated road hole of axle simultaneously can be moved forward and backward in the elongated road hole.
Described self adaptation polling power controlling drive axle differential mechanism, wherein：The cylinder includes cylinder push-rod, cylinder piston
And air nozzle；The front end of the cylinder push-rod is stretched in the hollow axle, and passes through the elongated road hole, and rear end connects the cylinder
Piston, is equiped with return spring between the cylinder push-rod and hollow axle clutch end, is supported on the interior of the hollow axle
Chamber end wall；The cylinder piston is located in cylinder block, and the cylinder block is divided into two air chambers；The air nozzle is provided close to
On the cylinder block wall of the air chamber of the cylinder push-rod.
Beneficial effect：
There is no internal speed difference to interfere when anti-slip differential effectively distributes power, drive efficiency is high, save fuel oil.Electromagnetism is not received
Ripple, salt fog, the interference of the temperature difference, adapt to wide；Torque drive garage that can be required for the attachment condition of each wheel of adjust automatically
Walk, each wheel drive force can reach optimum state, substantially increase the utilization rate and All-Terrain All Climate working condition of power.Cost
Automobile cost than driving before and after common timesharing is slightly higher, but than the automobile of the current electron controls technology of automobile industry in the world
Cost is much lower, and its performance is more much higher than electronic technology.This technology differential mechanism with existing conventional locking differential fundamental difference is
Bidirectional clutch is provided with for often occlusion control torsion efficiency, only in reversing talent move to.Therefore the self adaptation of this technology
Polling power controlling ability can be used for size vehicle up to 100%.
On any extreme difference ground, without walking at road, wheel is non-slip, and handling capacity is extremely strong；During differential is anti-skidding automatically
By moment of torsion intermodulation between each wheel, drive efficiency highest can fuel-economizing；Result of the test 30Kn/h systems on ice and snow bending descending road
When dynamic, automobile not whipping, safety are good；Result of the test is to be mounted in more than four-wheel full-time full wheel entirely using the actuating device of this technology
On driving, if in the case that automobile has fallen a wheel under steam, this car stretch journey that remains to move forward is not overturned, is pacified
Good perfection.
Automatically control wheel it is non-slip while, vehicle traveling turn control stability it is unaffected, still keep direction to grasp
Vertical motility, it is identical with 4 × 2 motor turning performances.
This technology can be generalized to
It is not high.Do not change former underbody dish structure, simply change transfer gear and drive axle.Extensively, market is huge, can for this technological use
Greatly improve traction efficiency the fuel-economizing of automobile.But this usage can only solve anti-skidding and pull strength efficiency, without comprehensive
Improving existing automobile reduces the problem that height and chassis road clearance are improved.
Thoroughly change former underbody dish structure, design brand-new transfer differential mechanism integration, its chassis advantage is huge.
Auto in Braking not whipping on the ice snow covered pavement turned except the external climb and fall of 4 × 2 cars, because taking turns entirely in good time mutual deviation tune
Speed, makes each wheel be adapted with ground demand speed；When running middling speed, if running away a wheel, equipped with anti-slip differential transfer gear
Automobile remain to move ahead a segment distance do not overturn.
Description of the drawings
Fig. 1 is the structural representation of the self adaptation polling power controlling drive axle differential mechanism 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 differential mechanism 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 differential mechanism of the present invention；
Fig. 4 is the Bidirectional clutching structure schematic diagram of the self adaptation polling power controlling drive axle differential mechanism of the present invention；
Fig. 5 is the ratchet structure schematic diagram of the self adaptation polling power controlling drive axle differential mechanism of the present invention；
Fig. 6 is the ratchet and ratchet mesh schematic representation of the present invention；
Fig. 7 is the differential control schematic diagram of the present invention.
Specific embodiment
As shown in Figures 1 to 6, self adaptation polling power controlling drive axle differential mechanism of the invention is by 1 He of fixed drive axle housing
The master being installed in fixed drive axle housing 1 subtracts differential mechanism 2, right driving and adjusts power twister 3 and left driving to adjust power twister 4 to constitute.
Fixed drive axle housing 1 includes drive end bearing bracket 11 and rear end cap 12；Assembling through hole 110 is provided with the middle part of drive end bearing bracket 11.
Master subtracts differential mechanism 2 and is made up of main reducing gear driving gear 21, main reducing gear driven gear 22 and differential mechanism 23, its
Driving force is directly passed to wheel walking left and right differential by the left and right jack shaft of differential mechanism 23；
The wherein gear shaft 211 of main deceleration driving gear 21 is solid semiaxis, and power intake passes through fixed drive axle housing 1
Drive end bearing bracket 11 pilot hole 110, by 210 assembly connection drive end bearing bracket 11 of bearing；
Main deceleration driven gear 22 engages main deceleration driving gear 21, with 23 assembly connection of differential mechanism；
Differential mechanism 23 includes differential casing 231, cross axle 232, planetary gear 233, left hollow half axle gear 234, a left side
Jack shaft 235, right hollow half axle gear 236 and right jack shaft 237；Differential casing 231 and main deceleration driven gear 22
It is fixedly connected；232 rigid assembly connection of cross axle is on differential casing 231；Planetary gear 233 is assemblied in cross axle 232, leads to
Cross cross axle 232 same rotating speed is kept with differential casing 231；Left hollow half axle gear 234 and right hollow half axle gear 236 with regard to
Cross axle 232 is symmetrical arranged, while meshing planetary gear 233, and pass through internal spline and left jack shaft 235 and right driving respectively
237 assembly connection of semiaxis；The clutch end of left jack shaft 235 and right jack shaft 237 is stretched from differential casing 231 respectively
Go out.
Right driving adjusts power twister 3 and left driving tune power twister 4 to subtract differential mechanism 2 relative to master and be arranged symmetrically, and its structure is identical,
Effect propety is identical, including adjust torsion driving gear, adjust torsion driven gear, hollow axle, cylinder, two-way clutch set, ratchet,
Ratchet, idle wheel and tune torsion shaft gear；The dissection of power twister 3 is adjusted to state clearly with right driving below：
As shown in Fig. 2, Fig. 4 and Fig. 5, right driving tune power twister 3 is fixed on master and subtracts on the differential casing 231 of differential mechanism 2,
Torsion driving gear 31, first is adjusted to adjust torsion driven gear 32, the first hollow axle 33,34, first pair, the first cylinder including first
Torsion shaft gear 39 is adjusted to clutch cover 35, the first idle wheel 36, the first ratchet 37, the first ratchet 38 and first；
The differential casing 231 that first tune torsion driving gear 31 subtracts differential mechanism 2 with master by securing member is fixedly connected, empty
Cover right jack shaft 237；
First adjusts torsion driven gear 32 to engage first adjusts torsion driving gear 31, is input into the power of the first hollow axle 33
Hold, and be supported on fixed drive axle housing 1, can rotate relative to fixed drive axle housing 1；
The middle part of the first hollow axle 33 offers the elongated road hole 331 being disposed radially, and clutch end passes through bearing 332
Assembly connection fixed drive axle housing 1；First hollow axle 33 is rotated with the rotation of the first tune torsion driven gear 32；
First cylinder 34 is fixed on fixed drive axle housing 1, positioned at the outside of the clutch end of the first hollow axle 33,
Including 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 axle 33, and wears
Elongated road hole 331 is crossed, connection cylinder piston 342 in rear end is equiped with 33 clutch end of the first hollow axle in cylinder push-rod 341
First return spring 344, is supported on the end wall of 33 inner chamber of the first hollow axle；Cylinder piston 342 is located in cylinder block 345, will
345 points of cylinder block is two air chambers；Air nozzle 343 is provided close on the cylinder block wall of the air chamber of cylinder push-rod 341；
First two-way clutch set 35 passes through the first hollow axle of spline assembly connection 33, positioned at the elongated road of the first hollow axle 33
The position in hole 331, and be connected with cylinder push-rod 341 by the first bearing pin 351, the bearing pin 351 passes through the first hollow axle 33
Elongated hole 331 and can move forward and backward in the elongated hole 331；First two-way clutch set 35 is respectively arranged at two ends with two ends
Tooth；
First idle wheel 36 be set in the first two-way clutch set 35 it is cylindrical on, torsion shaft gear 39 is adjusted in engagement first.
First ratchet 37 is a pair, is sheathed on the first hollow axle 33, is symmetricly set on the outside of the first two-way clutch set 35；
Wherein near the ratchet of the first cylinder 34, its end face for deviating from the first cylinder 34 is provided with overdrive clutch tooth 370, away from the first cylinder
34 ratchet is provided with overdrive clutch tooth 370 in its end face for facing the first cylinder 34；Be provided with two of the circumference of the first ratchet 37
Pawl slot 371.
First ratchet 38 is symmetrical two couple for laying, and is respectively symmetrically the two ends for being arranged at the first idle wheel 36；Two pairs of ratchets
Can rotate, and be connected by pawl axis 381, two 371 phases of pawl slot being provided with the circumference of the first ratchet 37 respectively
Matching clutch connection；The pawl axis 381 connect first ratchet 38 at two ends after the both ends of the surface of the first idle wheel 36.
First tune torsion shaft gear 39 is fixed with one with spline with right jack shaft 237.
As shown in Fig. 3, Fig. 4 and Fig. 5, left driving adjusts power twister 4 to be left jack shaft tune power twister, adjusts with right driving and turns round
The properity of power device 3, effect are identical, symmetrically placed, adjust torsion driving gear 41, second to adjust torsion quilt including second
Moving gear 42, the second hollow axle 43, the second cylinder 44, the second two-way clutch cover the 45, second idle wheel 46, the second ratchet 47, second
Ratchet 48 and second adjusts torsion shaft gear 49；
The differential casing 231 that second tune torsion driving gear 41 subtracts differential mechanism 2 with master by securing member is fixedly connected, empty
Cover left jack shaft 235；
Second adjusts torsion driven gear 42 to engage second adjusts torsion driving gear 41, is input into the power of the second hollow axle 43
Hold, and be supported on fixed drive axle housing 1, can rotate relative to fixed drive axle housing 1；
The middle part of the second hollow axle 43 offers the elongated road hole 431 being disposed radially, and clutch end passes through bearing 432
Assembly connection fixed drive axle housing 1；Second hollow axle 43 is rotated with the rotation of the second tune torsion driven gear 42；
Second cylinder 44 is fixed on fixed drive axle housing 1, positioned at the outside of the clutch end of the second hollow axle 43,
Including 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 axle 43, and wears
Elongated road hole 431 is crossed, connection cylinder piston 442 in rear end is equiped with 43 clutch end of the second hollow axle in cylinder push-rod 441
Second return spring 444, is supported on the end wall of 43 inner chamber of the second hollow axle；Cylinder piston 442 is located in cylinder block 445, will
445 points of cylinder block is two air chambers；Air nozzle 443 is provided close on the cylinder block wall of the air chamber of cylinder push-rod 441；
Second two-way clutch set 45 passes through the second hollow axle of spline assembly connection 43, positioned at the elongated road of the second hollow axle 43
The position in hole 431, and be connected with cylinder push-rod 441 by the second bearing pin 451, the bearing pin 451 passes through the second hollow axle 43
Elongated hole 431 and can move forward and backward in the elongated hole 431；Second two-way clutch set 45 is respectively arranged at two ends with two ends
Tooth；
Second idle wheel 46 be set in the second two-way clutch set 45 it is cylindrical on, torsion shaft gear 49 is adjusted in engagement second.
Second ratchet 47 is a pair, is sheathed on the second hollow axle 43, is symmetricly set on the outside of the second two-way clutch set 45；
Wherein near the ratchet of the second cylinder 44, its end face for deviating from the second cylinder 44 is provided with overdrive clutch tooth 470, away from the second cylinder
44 ratchet is provided with overdrive clutch tooth 470 in its end face for facing the second cylinder 44；Be provided with two of the circumference of the second ratchet 47
Pawl slot 471.
Second ratchet 48 is symmetrical two couple for laying, and is respectively symmetrically the two ends for being arranged at the second idle wheel 46；Two pairs of ratchets
Can rotate, and be connected by pawl axis 481, two 471 phases of pawl slot being provided with the circumference of the second ratchet 47 respectively
Matching clutch connection；The pawl axis 481 connect second ratchet 48 at two ends after the both ends of the surface of the second idle wheel 46.
Second tune torsion shaft gear 49 is fixed with one with spline with left jack shaft 235.
As shown in Figure 6, Figure 7, left driving shaft adjusts power twister 4 and right driving axle to adjust the operation principle of power twister 3 as follows：
By taking the right side as an example, right driving adjusts power twister 3 to be to subtract the differential in differential mechanism 2 with master by the first tune torsion driving gear 31
Housing 231 is solidified as a whole, and the first tune torsion driven gear 32 is engaged
First hollow axle 33 drives the first two-way clutch set 35 with its spline connection；
During automobile advance traveling, the first cylinder push-rod 341 is promoted to drive the first bearing pin 351, band by the first return spring 344
Dynamic first two-way clutch set 35 surmounts tooth with the end face in the first ratchet 37 near the ratchet of the first cylinder 34 and is often engaged automatically,
Two pawl slots 371 that the circumference of the ratchet is provided with are engaged the ratchet of close first cylinder 34 in the first ratchet 38, band pawl
Axle 381 drives the first idle wheel 36 to rotate, and engagement first adjusts torsion shaft gear 39 to rotate, and the rotating speed of the first tune torsion shaft gear 39
Outer wheel speeds when automobile turns minimum curved are equal to n+ Δ nmax, and 32 rotating speed of the first tune torsion driving gear is equal to for revolution speed
n。
The rotating ratio relation of the force-transmitting gear in the right driving tune power twister 3 of example is that first adjusts the tooth of torsion driven gear 32
Number is removed by the first tune torsion driving gear 31, then is multiplied by 39 number of teeth of the first tune torsion shaft gear, is divided by by 36 number of teeth of the first idle wheel
Must meet and adjust the rotating speed of the first torsion driving gear 39 to be equal to n, first adjusts 39 rotating speed of torsion shaft gear to be equal to more than n+ Δ nmax。
Automobile driving wheel foreign steamer maximum (top) speed is equal to n+ Δ nmaxDuring minimum turning, minimum speed is n straight-line travellings.This technology
In set when automobile is turned to the left 237 rotating speed of right jack shaft from n to n+ Δ nmaxDuring the first idle wheel 36, the first ratchet 37
It is to disengage, when 39 rotating speed of the first tune torsion shaft gear reaches n+ Δ nmaxWhen be engaged entirely, in the minimum driving turned of this design
In the inside and outside difference in wheel condition of wheel, differential completely is without interference.When automobile side is skidded as left jack shaft is big with traction
Without rotating speed, 237 ground of right jack shaft cannot be travelled to automobile during 2n without adhesive force, rotating speed.The right jack shaft 237 of this technology
Turn up n+ Δ nmaxWhen adjusted power twister 3 to control by right driving, the rotating speed of left jack shaft 235 at this moment still remains
n-Δn(max)Driving force.
During reversing, using the reverse gear switch of automotive transmission by manipulating single automatically controlled two position three-way valve to 343 air inlet of air nozzle,
Control cylinder push-rod 341 is moved out with the first dynamic two-way clutch set 35, end face overdrive clutch tooth is stung with the first ratchet 37
Close, play the effect disappeared with driving force same during advance walking.
Left driving adjusts power twister 4 to adjust 3 structural behaviour function of power twister identical with right driving, for example, drives half when left
When the traction of axle 235 is equal to zero, its basic fundamental controls maximum speed n+ Δ nmaxWhen be subject to it is left drive adjust power twister 4
Rotating speed is limited without reaching 2n turn, and at this moment the rotating speed of right jack shaft 237 is n- Δ nmaxThere are enough driving forces.
Claims (7)
1. a kind of self adaptation polling power controlling drive axle differential mechanism, it is characterised in that：The differential mechanism by fixed drive axle housing and
The master being installed in fixed drive axle housing subtracts differential mechanism, right driving and adjusts power twister and left driving to adjust power twister to constitute；
The master subtracts differential mechanism and is made up of main reducing gear driving gear, main reducing gear driven gear and differential mechanism；The master subtracts
Fast driven gear engages the main deceleration driving gear, with the differential mechanism assembly connection；The differential mechanism includes differential carrier
Body, left jack shaft and right jack shaft；The differential casing is fixedly connected with the main deceleration driven gear；A described left side
The clutch end of jack shaft and right jack shaft is stretched out from the differential casing respectively；
The left driving adjusts power twister to adjust power twister structure identical with right driving, subtracts differential mechanism relative to the master and is arranged symmetrically,
It is fixed on the master to subtract on the differential casing of differential mechanism, including adjusting torsion driving gear, adjust torsion driven gear, hollow
Axle, cylinder, two-way clutch set, ratchet, ratchet, idle wheel and tune torsion shaft gear；
The differential casing for adjusting torsion driving gear to subtract differential mechanism with the master is fixedly connected；
The tune torsion driven gear engagement is described to adjust torsion driving gear, passes through spline with the power intake of the hollow axle
It is connected overall for one, and is supported on the fixed drive axle housing, can rotates relative to the fixed drive axle housing；
The hollow axle is rotated with the rotation of torsion driven gear is adjusted；
The cylinder is fixed on the fixed drive axle housing, positioned at the outside of the clutch end of the hollow axle；
The two-way clutch set can be moved axially relative to the hollow axle, be connected by hollow axle described in spline assembly connection
The clutch end of the cylinder；What the two-way clutch covered is respectively arranged at two ends with two end teeth；
The idle wheel be set in two-way clutch set it is cylindrical on, engage the tune torsion wheel axle gear；
The ratchet is a pair, is sheathed on the hollow axle, is symmetricly set in the two-way clutch set outside；Wherein near institute
State the ratchet of cylinder and be provided with overdrive clutch tooth in the end face away from the cylinder, away from the cylinder the ratchet at which
Overdrive clutch tooth is provided with the face of the end face of the cylinder；Two pawl slots that the circumference of the ratchet is provided with；
The ratchet is symmetrical two couple for laying, and is respectively symmetrically the two ends for being arranged at the idle wheel；Two pairs of ratchets can be rotated,
And connected by pawl axis, the clutch that matched with the pawl slot of the ratchet respectively is connected；The pawl axis are through described
The ratchet of the connection positioned at its two ends after the both ends of the surface of idle wheel；
The tune torsion shaft gear is fixed with one with spline with the left jack shaft and right jack shaft respectively simultaneously.
2. self adaptation polling power controlling drive axle differential mechanism as claimed in claim 1, it is characterised in that：The fixed drive bridge
Shell includes drive end bearing bracket and rear end cap；Assembling through hole is provided with the middle part of the drive end bearing bracket；
Pilot hole of the gear shaft power intake of the main deceleration driving gear through the drive end bearing bracket of the fixed drive axle housing,
By drive end bearing bracket described in bearing assembly connection.
3. self adaptation polling power controlling drive axle differential mechanism as claimed in claim 1, it is characterised in that：The master subtracts differential mechanism
Driving force by the left and right jack shaft of the differential mechanism be directly passed to wheel walking and left and right differential.
4. the self adaptation polling power controlling drive axle differential mechanism as described in claim 1-3 is arbitrary, it is characterised in that：The differential
Device includes cross axle, planetary gear, left hollow half axle gear and right hollow half axle gear；The cross axle rigidity assembly connection exists
On the differential casing；The planetary gear is assemblied in the cross axle, by the cross axle and the differential casing
Keep same rotating speed；Described left hollow half axle gear and right hollow half axle gear are symmetrical arranged with regard to the cross axle, while nibbling
The planetary gear is closed, and passes through internal spline and described left jack shaft and right jack shaft assembly connection respectively.
5. the self adaptation polling power controlling drive axle differential mechanism as described in claim 1-3 is arbitrary, it is characterised in that：Described tune is turned round
Moving gear of advocating is fixedly connected by the differential casing that securing member subtracts differential mechanism with the master, the left jack shaft described in empty set
Or right jack shaft.
6. the self adaptation polling power controlling drive axle differential mechanism as described in claim 1-3 is arbitrary, it is characterised in that：It is described hollow
The elongated road hole being disposed radially is offered in the middle part of axle, clutch end passes through fixed drive bridge described in bearing assembly connection
Shell；
The two-way clutch set is positioned at the position in the elongated road hole of the hollow axle, and is connected solid with the cylinder by bearing pin
Fixed, the bearing pin passes through the elongated road hole of the hollow axle and can move forward and backward in the elongated road hole.
7. self adaptation polling power controlling drive axle differential mechanism as claimed in claim 6, it is characterised in that：The cylinder includes gas
Cylinder push rod, cylinder piston and air nozzle；The front end of the cylinder push-rod is stretched in the hollow axle, and passes through the elongated road hole,
Rear end connects the cylinder piston, and return spring is equiped between the cylinder push-rod and hollow axle clutch end, supports
In the inner chamber end wall of the hollow axle；The cylinder piston is located in cylinder block, and the cylinder block is divided into two air chambers；
The air nozzle is provided close on the cylinder block wall of the air chamber of the cylinder push-rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250523.6A CN104786834B (en) | 2015-05-15 | 2015-05-15 | Self-adapted traction control drive axle differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250523.6A CN104786834B (en) | 2015-05-15 | 2015-05-15 | Self-adapted traction control drive axle differential mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104786834A CN104786834A (en) | 2015-07-22 |
| CN104786834B true CN104786834B (en) | 2017-05-03 |
Family
ID=53552178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510250523.6A Active CN104786834B (en) | 2015-05-15 | 2015-05-15 | Self-adapted traction control drive axle differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104786834B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP6911652B2 (en) * | 2017-09-01 | 2021-07-28 | 三菱自動車工業株式会社 | Driving force adjustment device |
| CN107757356B (en) * | 2017-11-07 | 2023-12-19 | 北京博格华纳汽车传动器有限公司 | Speed reducer with differential lock for vehicle |
| 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 |
| DE102018124736B3 (en) * | 2018-10-08 | 2019-08-14 | Bayerische Motoren Werke Aktiengesellschaft | Coupling device, in particular for a drive train of a motor vehicle, and drive device for a motor vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168752Y (en) * | 1993-05-20 | 1994-06-15 | 李文华 | Differential transmission with overrunning clutch |
| US5910064A (en) * | 1997-01-16 | 1999-06-08 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
| JP2009085427A (en) * | 2007-09-10 | 2009-04-23 | Toyota Motor Corp | Driving force distribution mechanism |
| EP2221207A1 (en) * | 2009-02-20 | 2010-08-25 | Audi AG | Drive device for an axle of a motor vehicle and motor vehicle |
| DE102011108567A1 (en) * | 2011-07-27 | 2013-01-31 | Magna Powertrain Ag & Co. Kg | Differential gear unit for motor vehicle, has output shaft connected with differential drive element that is provided with intermediate gear and output gear which is arranged within input gear along common rotational axis |
| CN103195905A (en) * | 2013-04-08 | 2013-07-10 | 安宏亮 | Limited slip differential |
-
2015
- 2015-05-15 CN CN201510250523.6A patent/CN104786834B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168752Y (en) * | 1993-05-20 | 1994-06-15 | 李文华 | Differential transmission with overrunning clutch |
| US5910064A (en) * | 1997-01-16 | 1999-06-08 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
| JP2009085427A (en) * | 2007-09-10 | 2009-04-23 | Toyota Motor Corp | Driving force distribution mechanism |
| EP2221207A1 (en) * | 2009-02-20 | 2010-08-25 | Audi AG | Drive device for an axle of a motor vehicle and motor vehicle |
| DE102011108567A1 (en) * | 2011-07-27 | 2013-01-31 | Magna Powertrain Ag & Co. Kg | Differential gear unit for motor vehicle, has output shaft connected with differential drive element that is provided with intermediate gear and output gear which is arranged within input gear along common rotational axis |
| CN103195905A (en) * | 2013-04-08 | 2013-07-10 | 安宏亮 | Limited slip differential |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104786834A (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104786834B (en) | Self-adapted traction control drive axle differential mechanism | |
| US8172712B2 (en) | Compact power transfer unit for transaxle applications | |
| CN110053476B (en) | Central limited slip differential device, driving system comprising same and application | |
| CN101905650B (en) | Antiskid driver | |
| CN102303526B (en) | H-shaped power chassis | |
| CN201003592Y (en) | Automobile differential gear locking arrangement | |
| CN201784460U (en) | Antiskid driver | |
| CN104832620B (en) | Adaptive tractive force automatic control transfer gear | |
| US11674579B2 (en) | Planetary gear train automatic limited slip differential | |
| CN100406295C (en) | Vehicle drive axle structure | |
| CN108443494B (en) | Differential four-wheel drive transfer case | |
| CN215567738U (en) | Electric control shifting fork type locking differential mechanism | |
| CN119305376A (en) | Four-wheel drive industrial vehicle and control method | |
| JPS601030A (en) | Drive force transmission for four wheel drive car | |
| CN1033406A (en) | The automatic antiskid differential of automobile and wheeled tractor | |
| CN1225374C (en) | Frequently interlocked universal differential driver | |
| CN204610747U (en) | Self adaption tractive force automatic control transfer case | |
| CN109334432A (en) | Wheeled chassis and unmanned platform vehicle | |
| CN212353478U (en) | Vehicle axle with hydraulic retarder | |
| CN2039771U (en) | Automatic skid-proof differential coupling device for automobile and wheel tractor | |
| CN201090708Y (en) | Drive axle with differential lock | |
| CN201235749Y (en) | Isolator type two-wheel or multi-wheel driving and turning apparatus | |
| CN209208489U (en) | Active differential steering device | |
| CN1397749A (en) | Inter-locking differential driver | |
| CN105599603A (en) | Rear steering drive axle assembly of forklift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |