CN108422855A - It is a kind of can pivot stud disaster unit transmission system - Google Patents
It is a kind of can pivot stud disaster unit transmission system Download PDFInfo
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- CN108422855A CN108422855A CN201810416969.5A CN201810416969A CN108422855A CN 108422855 A CN108422855 A CN 108422855A CN 201810416969 A CN201810416969 A CN 201810416969A CN 108422855 A CN108422855 A CN 108422855A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 57
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- 238000003756 stirring Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 10
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- 238000010586 diagram Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
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- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/358—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles all driven wheels being steerable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Retarders (AREA)
Abstract
The invention discloses it is a kind of can pivot stud disaster unit transmission system, wherein, gearbox is longitudinally disposed, and it is connected with main gearbox assembly by the first transmission shaft, the output end of main gearbox assembly is connected by the first splined shaft with the input terminal of commutator assembly respectively, the output end of commutator assembly is coaxially connected by the second splined shaft and transfer case assembly, and transfer case assembly front and rear sides are connected by second driving shaft with right-angle drive mechanism respectively；Main gearbox assembly is identical as transfer case assembly structure, is made of drive bevel gear, driven wheel of differential, differential assembly and differential-speed lock mechanism；In commutator assembly, commutation executing agency is set to Transmission Mechanism of Planetary Gear System both sides, and under the control of reversing gear, commutation executing agency drives the both sides output end of Transmission Mechanism of Planetary Gear System in the same direction or reversely rotates.The present invention is good in the passability of rough ground, can realize no-radius pivot stud, improves the mobility of vehicle.
Description
Technical field
The invention belongs to system of vehicle transmission technical fields, and in particular to it is a kind of can pivot stud disaster unit power train
System.
Background technology
With the quickening of urbanization process, all kinds of burst fire-disasters sharply increase, and after natural calamity, City Disasters occur, rescue
The scene of helping often has surface state complicated, sue and labour narrow space the features such as, therefore have to the performance of breakdown lorry harsher
Requirement.
Country's breakdown lorry majority is converted by cargo vehicle at present, using the chassis of general cargo vehicle, is reinforced
The intensity of parts of chassis part, and install rescue aid additional in the car parts of former vehicle.The medium-and-large-sized relief car in relief car market at present
In the majority, medium-and-large-sized relief car is mostly converted by middle heavy truck, although this kind of relief car can overcome some muddy, gravel road surfaces,
It is poor to certain specific narrow Local Adaptations.Small rescue vehicle is converted by light truck, although it can drive into part narrowly
Domain environment, but due to its 4 × 2 drive form, this kind of relief car is poor to passability, the cross-country ability on complicated landform road surface,
And turning radius is big, it is difficult to freely be travelled in street lane.
Invention content
The purpose of the present invention is make up relief car market under for narrow region and complicated landform in terms of breakdown lorry
Lack it is dilute, for the problem of the existing vehicle chassis environmental suitability difference in market, provide it is a kind of can pivot stud disaster unit biography
Dynamic system structure, transmission system of the present invention is good in the passability of rough ground, can realize no-radius pivot stud, improves
The mobility of vehicle.In conjunction with Figure of description, technical scheme is as follows：
It is a kind of can pivot stud disaster unit transmission system, the transmission system by gearbox 1, the first transmission shaft 2,
Main gearbox assembly 3, the first splined shaft 4, commutator assembly 5, the second splined shaft 6, transfer case assembly 7, second driving shaft 8 and
Right-angle drive mechanism 9 forms；
The gearbox 1 is longitudinally disposed, and passes through the main reducing gear active of the first transmission shaft 2 and main gearbox assembly 3
Bevel gear 31 is coaxially connected, and the power of main gearbox assembly 3 transversely exports, 3 left and right sides output end of main gearbox assembly point
Input terminal not by the first splined shaft 4 and commutator assembly 5 is coaxially connected, and the output end of the commutator assembly 5 passes through
The transfer gear drive bevel gear 71 of two splined shafts 6 and transfer case assembly 7 is coaxially connected, and the power of transfer case assembly 7 is defeated along longitudinal direction
Go out, the output end of 7 front and rear sides of transfer case assembly is connected by second driving shaft 8 with right-angle drive mechanism 9 respectively；
The main gearbox assembly 3 is identical as 7 structure of transfer case assembly, by drive bevel gear, driven wheel of differential, differential mechanism
Assembly and differential-speed lock mechanism composition, the drive bevel gear engage connection, driven wheel of differential and differential mechanism with driven wheel of differential
The shell of assembly is fixedly and coaxially connected, and the differential-speed lock mechanism is mounted on the side of differential assembly, and differential-speed lock mechanism locking is poor
When fast device, differential mechanism loses differential function, realizes power mean allocation；
The commutator assembly 5 is made of Transmission Mechanism of Planetary Gear System, commutation executing agency and reversing gear, described
Commutation executing agency is set to Transmission Mechanism of Planetary Gear System both sides, and reversing gear is connected with commutation executing agency, is commutating
Under the control of operating mechanism, commutation executing agency drives the commutator left gear and commutator right gear of Transmission Mechanism of Planetary Gear System
It in the same direction or reversely rotates, to realize in the same direction between the first splined shaft 4 and the second splined shaft 6 or reversely rotate.
In the commutator assembly 5, the commutation executing agency is left by left flexible connection 502 of commutator, commutator
End-tooth 516 forms outside right flexible connection 515 of shell 503, commutator right shell body 519, commutator and commutator, commutation
Device left shell 503 is distinguished empty set on the first splined shaft 4 and the second splined shaft 6 with commutator right shell body 519 and is symmetrically fixed
Connection, left flexible connection 502 of commutator is with the right son 515 that is flexibly connected of commutator respectively by spline slide mounted on respective side
Commutator hull outside shaft part on, commutator it is left flexible connection son 502 and commutator left shell 503 between end face on
And on the end face between right flexible connection 515 of commutator and commutator right shell body 519, offer the teeth to match；
In the Transmission Mechanism of Planetary Gear System, planet wheel spindle both ends are fixed in commutator shell, planetary gear respectively with peace
Commutator left gear 507 mounted in the first spline shaft end and the commutator right gear 511 mounted on the second spline shaft end
It is meshed, to realize the rotation along planet wheel spindle or the revolution along the first splined shaft 4 or the second splined shaft 6；
In the reversing gear, the left shift fork 501 of commutator and the right shift fork of commutator 514 are installed on a commutator left side respectively
In the excircle annular groove of flexible connection 502 and right flexible connection of commutator 515, it is sub to stir the left flexible connection of commutator
502 and commutator right flexible connection 515 slide in an axial direction, realize the commutator shell of commutator flexible connection son and respective side
Between teeth engagement or separate.
The Transmission Mechanism of Planetary Gear System is by commutator left gear 507, commutator left gear gasket 506, commutator cross
Axis 510, commutator planetary gear 509, commutator planet gear pad 508, commutator right gear 511 and commutator right gear pad
Piece 512 forms；
The commutator left gear 507, commutator right gear 511 and commutator planetary gear 509 are conical gear；
The commutator left gear 507 is connect with 4 spline fitted of the first splined shaft transmits torque, the commutator left gear
Gasket 506 is sleeved on first splined shaft 4 in the outside of commutator left gear 507, the commutator right gear 511 by spline with
Second splined shaft 6, which is connected, transmits torque, and the commutator right gear gasket 512 is sleeved on 511 outside of commutator right gear
The second splined shaft 6 on；The commutator cross axle 510 between commutator left gear 507 and commutator right gear 511,
There are four the commutator planetary gears 509, is set on four shaft parts of commutator cross axle 510, the commutator
Planet gear pad 508 is sleeved on the shaft part of the commutator cross axle 510 in 509 outside of commutator planetary gear；Along commutator
Shell circumferencial direction is opened there are four cylinder groove, and four shaft parts of the commutator cross axle 510 are respectively and fixedly installed to four circles
In column slot, four commutator planetary gears 509 respectively with the commutator left gear 507 of both sides and commutator right gear gasket
512 are meshed.
The reversing gear is by the left shift fork 501 of commutator, the right shift fork 514 of commutator, shift fork fixing sleeve 517 and straight line
Hydraulic cylinder 518 forms, and the bottom adapter of the left shift fork of the commutator 501 is embedded in commutator 502 excircles of left flexible connection
Annular groove in, the ring of the bottom adapter of the right shift fork of the commutator 514 embedded in sub 515 excircles of the right flexible connection of commutator
In shape slot, the left shift fork 501 of the commutator and the right 514 vertically symmetrical installation of shift fork of commutator；The top of the left shift fork of commutator 501
It is connect with linear hydraulic cylinder 518 by shift fork fixing sleeve 517, the top of the right shift fork of commutator 514 is fixed by another shift fork
Set 517 is connect with another linear hydraulic cylinder 318, by automatically controlling two linear hydraulic cylinders 518, makes two linear hydraulic cylinders
518 separately drive the left shift fork 501 of commutator or right 514 straight line of shift fork of commutator, and then stir the left activity of commutator even
Connect that son 502 and commutator are right to be flexibly connected sub 515 Relative sliding, realization are changed on the first splined shaft 4 and the second splined shaft 6 respectively
To device left flexible connection 502 and the separation of commutator left shell 503 or engage and the right flexible connection of commutator 515 and
The engagement or separation of commutator right shell body 519.
First transmission shaft 2 uses cross-axle universal shaft transmission shaft.
The second driving shaft 8 is made of central siphon, telescopic and universal joint, and the telescopic is mounted on central siphon, and second
8 both ends of transmission shaft are connected with transfer case assembly 7 and right-angle drive mechanism 9 respectively by universal joint.
The right-angle drive mechanism 9 is bevel-gear sett transmission, to change the direction of torque transfer, by transfer case assembly
7 torque conversions passed over be with the equidirectional torque of wheel, to drive wheel rotation drive vehicle movement.
Compared with prior art, the beneficial effects of the present invention are：
1, transmission system of the present invention is in the range of transmission shaft angle allows, four wheel hop stroke biggers, and
Eliminate drive axle structure between two wheels, road clearance higher, the passability under complicated landform is more preferable.
2, transmission system of the present invention is full-time four-wheel drive system, and cross-country ability is stronger.
3, transmission system of the present invention can realize pivot stud, and it is motor-driven under narrow region that breakdown lorry can be improved
Property.
Description of the drawings
Fig. 1 is the transmission principle block diagram of transmission system of the present invention；
Fig. 2 is the three dimensional structure diagram of transmission system of the present invention；
Fig. 3 is the three-dimensional structure exploded view of transmission system of the present invention；
Fig. 4 is the main gearbox assembly three dimensional structure diagram in transmission system of the present invention；
Fig. 5 is the commutator assembly three dimensional structure diagram in transmission system of the present invention；
Fig. 6 is the transfer case assembly three dimensional structure diagram in transmission system of the present invention.
In figure：
12 first transmission shaft of gearbox, 3 main gearbox assembly, 4 first splined shaft
56 second splined shaft of commutator assembly, 7 transfer case assembly, 8 second driving shaft
9 right-angle drive mechanisms；
31 main reducing gear drive bevel gear, 32 main reducing gear driven wheel of differential, 33 main reducing gear differential mechanism, 34 main reducing gear differential lock；
The left flexible connection of left 502 commutator of shift fork of 501 commutators 506 commutator left gear gasket of sub 505 commutator left shell
507 commutator left gear, 508 commutator planet gear pad, 509 commutator planetary gear, 510 commutator cross axle
Right flexible connection of right 515 commutator of shift fork of 511 commutator right gear, 512 commutator right gear gasket, 514 commutator
517 shift fork fixing sleeve of end-tooth, 518 linear hydraulic cylinder, 519 commutator right shell body outside 516 commutators；
71 transfer gear drive bevel gear, 72 transfer gear driven wheel of differential, 73 differential gear of the power divider, 74 transfer gear differential lock.
Specific implementation mode
For the technical solution that the present invention is further explained and its caused advantageous effect, in conjunction with Figure of description, this hair
Bright specific implementation mode is as follows：
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides it is a kind of can pivot stud disaster unit transmission system, institute
Transmission system is stated to be spent by gearbox 1, the first transmission shaft 2, main gearbox assembly 3, the first splined shaft 4, commutator assembly 5, second
Key axis 6, transfer case assembly 7, second driving shaft 8 and right-angle drive mechanism 9 form.The gearbox 1 is longitudinally arranged, speed change
The output end of case 1 and the input terminal of the first transmission shaft 2 are coaxially connected, output end and the main gearbox assembly 3 of the first transmission shaft 2
Main reducing gear drive bevel gear 31 is coaxially connected, and the power of the main gearbox assembly 3 transversely exports, main gearbox assembly 3
The output end of the left and right sides is coaxially connected with the input terminal of the first splined shaft 4 respectively, the output end of first splined shaft 4 with change
Input terminal to device assembly 5 is coaxially connected, and the output end of the commutator assembly 5 and the input terminal of the second splined shaft 6 coaxially connect
It connects, the output end of second splined shaft 6 and the transfer gear drive bevel gear of transfer case assembly 7 are coaxially connected, the transfer gear
The power of assembly 7 exports along longitudinal direction, and the output end of 7 front and rear sides of transfer case assembly is same with the input terminal of second driving shaft 8 respectively
The output end of axis connection, the second driving shaft 8 is connected with the input terminal of right-angle drive mechanism 9.
The gearbox 1 is mainly made of each gear pair and axis.If gearbox 1 uses automatic gear-box AT, in this base
Further include hydraulic torque converter, planetary gear, hydraulic pressure displacement system and hydraulic control system on plinth.Gearbox 1 can be by different
Gear combination generates different rotating speeds and torque.Main function of the gearbox 1 in transmission system is：1, change transmission
Than making engine work under advantageous operating mode；2, it in the case where engine turns to constant situation, enables the vehicle to fall back traveling；
3, it when neutral gear, interrupts power and transmits, enable the engine to starting, idling, and convenient for shifting of transmission or carry out power output.
First transmission shaft 2 preferentially uses cross-axle universal shaft transmission shaft.Due to gearbox 1 and main gearbox assembly 3
Relative position is constant, and universal joint is without constant velocity cardan joint, therefore first transmission shaft 2 is using cross-axle universal shaft transmission shaft
It can.The effect of first transmission shaft 2 is：1, in the torque transfer for exporting gearbox 1 to main gearbox assembly 3；2, it keeps away
Exempt from gearbox 1 to be rigidly connected with main gearbox assembly 3, reduces assembly difficulty.
As shown in figure 4, the main gearbox assembly 3 is by main reducing gear drive bevel gear 31, main reducing gear driven wheel of differential
32, main reducing gear differential mechanism 33 and main reducing gear differential lock 34 form, the main reducing gear drive bevel gear 31 and main reducing gear
The engagement connection of driven wheel of differential 32, the connection bolt and main reducing gear differential that main reducing gear driven wheel of differential 32 arrange by circumference
The shell of device 33 is fixedly and coaxially connected.By the few main reducing gear drive bevel gear 31 of the number of teeth drive the main reducing gear more than the number of teeth from
Dynamic bevel gear 32, which is realized, to slow down and increases torque, and changes the direction of torque transmission.The main reducing gear differential mechanism 33 coaxially connects
It is connected on the input terminal of the first splined shaft 4 of 3 side of main gearbox assembly, the main reducing gear differential lock 34 is coaxially connected to be subtracted in master
It is total to be assigned to main reducing gear by the control of main reducing gear differential lock 34 for the input terminal of first splined shaft 4 of fast 3 other side of device assembly
At 3 the left and right sides power, when there is single wheel to have skidded, can locking differential, make differential mechanism indifferential function, power
It is averagely allocated to both sides.In the present embodiment, the main gearbox assembly 3 only has primary speed-down, i.e. only bevel-gear sett pair,
Double reduction, i.e. primary cylinder gear pair can be used to add level-one bevel gear pair according to demand；33 knot of main reducing gear differential mechanism
Structure is identical as existing ordinary single-stage main reducing gear structure, and cone gear differential mechanism is preferentially used in the present embodiment, in addition, may be used also
Using spur-gear differential；34 structure of main reducing gear differential lock is identical as existing differential lock construction, in the present embodiment
Castellated differential lock is preferentially used, further, it is also possible to using frictional differential lock, sticky manifold type differential lock etc..
The effect of the main gearbox assembly 3 is：1, the torque for transmitting the first transmission shaft 2 increases, while reducing and turning
Speed simultaneously distributes torque on the transfer case assembly 7 of the left and right sides；2, a common biography is provided for each gear of speed changer 1
Dynamic ratio；3, differential is carried out to the input speed of both sides transfer case assembly 7 by main reducing gear differential mechanism 33；4, subtracted by locking master
Fast device differential lock 34, makes main reducing gear differential assembly 33 not have differential function, by torque 1：1 ground is assigned to the transfer of both sides
On device assembly 7.
The commutator assembly 5 is mounted between the output end and the input terminal of the second splined shaft 6 of the first splined shaft 4, real
It is existing in the same direction or to be reversely rotated between first splined shaft 4 and the second splined shaft 6, the reversing arrangement by Transmission Mechanism of Planetary Gear System,
Commutate executing agency and reversing gear composition；
As shown in figure 5, the Transmission Mechanism of Planetary Gear System by commutator left gear 507, commutator left gear gasket 506,
Commutator cross axle 510, commutator planetary gear 509, commutator planet gear pad 508, commutator right gear 511 and commutation
Device right gear gasket 512 forms；The commutator left gear 507, commutator right gear 511 and commutator planetary gear 509
It is conical gear, the commutator left gear 507 and commutator left gear gasket 506 are mounted on the first splined shaft 4 completely
Output end, and pass through spline fitted connection and transmit torque, the commutator right gear 511 and commutator right gear gasket 512
It is mounted on the input terminal of the second splined shaft 6 completely, and is connected by spline fitted and transmits torque；The commutator cross axle
510 between commutator left gear 507 and commutator right gear 511, and there are four the commutator planetary gears 509, respectively
With on mating four shaft parts mounted on commutator cross axle 510 of commutator planet gear pad 508, four commutator planet teeth
Wheel 509 is respectively meshed with the commutator left gear 507 of both sides and commutator right gear 511, realizes along itself axial rotation
Or it revolves round the sun along commutator left gear 507 and 511 circumferencial direction of commutator right gear.
The commutation executing agency is by left flexible connection 502 of commutator, commutator left shell 505, commutator right shell body
519, right flexible connection 515 of commutator and commutator outside end-tooth 516 form；Wherein, the commutator left shell 505
It is sleeved on the output end of the first splined shaft 4, and commutator left shell 505 and the first splined shaft 4 can relative rotation；The commutator
Right shell body 519 is sleeved on the input terminal of the second splined shaft 6, and commutator right shell body 19 and the second splined shaft 6 can relative rotation；It changes
It is identical as 519 structure of commutator right shell body to device left shell 505 and be symmetrical arranged, commutator left shell 505 and the right shell of commutator
It is provided with corresponding connecting hole on the large end face of 519 inside of body, commutator is fixedly connected to form by connector after the two docking
Shell；At the docking of commutator left shell 505 and commutator right shell body 519, along the circumferential direction open that there are four cylinder grooves, it is described
Four shaft parts of commutator cross axle 510 are separately mounted in four cylinder grooves, make commutator cross axle 510 and commutator shell
Position be relatively fixed；On 505 outside small end face of the commutator left shell, uniform teeth are along the circumferential direction equipped with, it is described
The left outside for being flexibly connected son 502 and being mounted on commutator left shell 505 of commutator, and the first splined shaft 4 is mounted on by spline
Output end on, also be provided with teeth on the inner side end of left flexible connection of commutator 502, and the left flexible connection of commutator is sub
Teeth on 502 inner side ends match with the teeth on 505 outside small end face of commutator left shell, can realize engagement locking
Connection, and passing power；On the outside small end face of the commutator right shell body 519, it is along the circumferential direction equipped with uniform teeth, institute
The right outside for being flexibly connected son 515 and being mounted on commutator right shell body 519 of commutator is stated, and the second splined shaft is mounted on by spline
On 6 input terminal, right be flexibly connected on the inner side end of son 515 of the commutator also is provided with teeth, and the right activity of commutator is even
The teeth connect on sub 515 inner side ends match with the teeth on 519 outside small end face of commutator right shell body, can realize engagement
Locking connects, and passing power；Also is provided with teeth in the end face outside of right flexible connection of the commutator 515, and with commutation
The engagement of end-tooth 516 connection outside device.Left flexible connection 502 of the commutator and commutator be right be flexibly connected sub 515 outside
Annular groove is provided on circumference.
The reversing gear is by the left shift fork 501 of commutator, the right shift fork 514 of commutator, shift fork fixing sleeve 517 and straight line
Hydraulic cylinder 18 forms, and the bottom adapter of the left shift fork of the commutator 501 is embedded in sub 502 excircles of the left flexible connection of commutator
In annular groove, the left bottom adapter for being flexibly connected son 502 of the commutator is embedded in sub 515 excircles of the right flexible connection of commutator
Annular groove in, the left shift fork 501 of the commutator and the right 514 vertically symmetrical installation of shift fork of commutator；The left shift fork of commutator 501
Top is connect by shift fork fixing sleeve 517 with linear hydraulic cylinder 518, and the top of the right shift fork of commutator 514 passes through another shift fork
Fixing sleeve 517 is connect with another linear hydraulic cylinder 518, by automatically controlling two linear hydraulic cylinders 518, makes two straight line liquid
Cylinder pressure 518 separately drives the left shift fork 501 of commutator or right 514 transverse moving left and right of shift fork of commutator, and then stirs commutator
Left flexible connection 502 is with the right son 515 that is flexibly connected of commutator respectively in the output end of the first splined shaft 4 and the second splined shaft 6
Input terminal Relative sliding, realize the left flexible connection of commutator 502 and the separation of commutator left shell 505 or engage, and
Commutator right flexible connection 515 and the engagement of commutator right shell body 519 detach.
Under the control of reversing gear, when the left flexible connection of commutator 502 is to close to commutator left shell 505 1
Slideslip, the realization that is meshed of the teeth on the two end face are relatively fixed, and right flexible connection of commutator 515 is to far from commutator
519 1 Slideslip of right shell body, when teeth phase separation on the two end face, at this point, the first splined shaft 4, commutator cross axle 510,
It is defeated as the power of reversing arrangement to form an entirety with respect to fixed static for commutator planetary gear 509 and commutator shell
Enter end, when the first splined shaft 4 drives commutator left gear 507 to rotate, commutator planetary gear 509 is in commutator left gear
As 4 synchronous rotary of the first splined shaft, commutator right gear 511 are meshed with commutator planetary gear 509 under 507 drive,
Therefore commutator planetary gear 509 will drive commutator right gear 511 to rotate clockwise, commutator right gear 511 will by spline
Movement is transferred to the input terminal of the second splined shaft 6, realizes the first splined shaft 4 and 6 rotating Vortex of the second splined shaft, commutation at this time
Device assembly 5 is equivalent to a shaft coupling.
Under the control of reversing gear, when the left flexible connection of commutator 502 is to far from commutator left shell 505 1
Slideslip, the teeth phase separation on the two end face, and right flexible connection 515 of commutator is to close commutator right shell body 519 1
Slideslip, the realization that is meshed of the teeth on the two end face are relatively fixed, at this point, another due to right flexible connection of commutator 515
One side end face is engaged with end-tooth 516 outside commutator always, and end-tooth 516 is fixed outside the commutator, because
This, the right flexible connection of commutator 515 on 6 input terminal of the second splined shaft is relative to external fixed always, commutator ten
Word axis 510 is fixed in commutator shell, therefore at this point, commutator outside end-tooth 516, commutator shell and commutator cross
Axis 510 is relatively fixed, and forms middle section of the entirety as reversing arrangement；Commutator input gear 507 and first is spent
The output end spline of key axis 4 connects the input terminal to form commutator；Commutator left gear 507 and 509 phase of commutator planetary gear
Engagement, commutator right gear 511 are meshed with commutator planetary gear 509, input terminal and the right tooth of commutator of the second splined shaft 6
Wheel 511 is linked into an integrated entity by spline, forms the output end of commutator；The output end of first splined shaft 4 drives；The left tooth of commutator
507 rotation of wheel, commutator shell and commutator cross axle 510 are static, and commutator left gear 507 rotates synchronously at this time, and four are changed
It is engaged to device planetary gear 509 with commutator left gear 507, since commutator cross axle 510 is static, therefore commutator planetary gear
509 rotations in an axial direction under the drive of commutator left gear 507, in the case where the rotation of commutator planetary gear 509 drives, with commutation
The commutator right gear 511 for the other end that device planetary gear 509 is meshed will reversely rotate in an axial direction, then pass movement through spline
It is delivered on the input terminal of the second splined shaft 6, the output end of commutator is made also to rotate backward, that is, realize the first splined shaft 4 and second
Splined shaft 6 rotates backward, and realizes pivot stud function.
The commutator assembly 5 allows for H-type transmission and is easier to realize pivot stud and be arranged, and vehicle is to realize
Pivot stud needs the wheel of side to be rotated backward with respect to the wheel of the other side, in center driven bridge of the present invention, only
The input torque direction that side transfer gear need to be changed can be realized both sides wheel and relatively rotate backward, therefore the commutator of both sides
Assembly function in this is rotating in same direction for input terminal and output end not only to have may be implemented, but also input terminal and output end may be implemented
It rotates backward.
As shown in fig. 6,7 structure of the transfer case assembly is similar to main gearbox assembly 3 with function, actively by transfer gear
Bevel gear 71, transfer gear driven wheel of differential 72, differential gear of the power divider 73 and transfer gear differential lock 74 form, and the transfer gear is actively
Bevel gear 71 and the output end of the second splined shaft 6 are coaxially connected, transfer gear drive bevel gear 71 and transfer gear driven wheel of differential 72
Engagement connection, transfer gear driven wheel of differential 72 are coaxially solid by the shell of connection bolt and differential gear of the power divider 73 that circumference is arranged
Fixed connection realizes deceleration simultaneously by the transfer gear driven wheel of differential 72 more than the few drive number of teeth of transfer gear drive bevel gear 71 of the number of teeth
Increase torque, and changes the direction of torque transmission.The differential gear of the power divider 73 is coaxially connected the of 7 side of transfer case assembly
The input terminal of two transmission shafts 8, the coaxially connected second driving shaft in 7 other side of transfer case assembly of the transfer gear differential lock it is defeated
Enter end, the power for being assigned to 7 front and rear sides of transfer case assembly is controlled by transfer gear differential lock 74, is beaten there is single wheel
When sliding, can locking differential, so that differential mechanism indifferential function, power is averagely allocated to both sides.In the present embodiment, the transfer gear
Differential mechanism 73 preferentially uses cone gear differential mechanism, in addition, spur-gear differential also can be used；The transfer gear differential lock 74
Structure is identical as existing differential lock construction, and castellated differential lock is preferentially used in the present embodiment, further, it is also possible to using friction
Formula differential lock, sticky manifold type differential lock etc..
The effect of the transfer case assembly 7 is：1, transfer gear drive bevel gear 71 is nibbled with transfer gear driven wheel of differential 72
When closing transmission, change the direction of transfer of torque, the torque that the second splined shaft 6 is transmitted increases, while reducing rotating speed and by torque
It is assigned in the right-angle drive mechanism 9 of front and rear sides, and power is further conveyed to front and back wheel；2, pass through transfer gear differential
Device 73 carries out differential to the input speed of front and back side right-angle drive mechanism 9, and then realizes the differential of front and back wheel；3, pass through locking
Transfer gear differential lock 74 makes differential gear of the power divider assembly 73 not have differential function, by torque 1：1 ground is assigned to front and back right angle
On transmission mechanism 9.
Between main gearbox assembly 3 and commutator assembly 5 by the second splined shaft 4 transmit torque, commutator assembly 5 with point
Torque is transmitted by the second splined shaft 6 between dynamic device assembly 7.There is spline at the both ends of first splined shaft 4 and the second splined shaft 6,
The interior flower of the input terminal spline of first splined shaft 4 and 34 inner shaft gear of main reducing gear differential assembly in main gearbox assembly 3
Key engages, and output end spline is engaged with the internal spline of commutator left gear 507 in commutator 5.The input terminal of second splined shaft 6 is spent
Key is engaged with the internal spline of commutator right gear 511 in commutator 5, output end spline and transfer gear active in transfer case assembly 7
The internal spline of bevel gear 71 engages.The length of first splined shaft 4 and the second splined shaft 6 can be adjusted according to the width of vehicle
It is whole.
When automobile turning travel or on uneven road surface when driving, four wheels need to roll with different rotating speeds, at this time
Differential gear of the power divider in the transfer case assembly in left side carries out differential to two wheels before and after left side, in the transfer case assembly of right side
Differential gear of the power divider carries out differential to two wheels before and after right side, and the main reducing gear differential mechanism in main reducing gear is to left and right transfer
The input speed of device assembly carries out differential, to ensure that four wheels do pure rolling.
When the main reducing gear differential lock 34 in main gearbox assembly 3 and the transfer gear differential lock 74 in transfer case assembly 7 are equal
When locking, transmissions at different levels become being rigidly connected, and when vehicle is stranded, power is evenly distributed on four wheels, four wheels
Rotating speed keep a kind of, non-slip wheel can drive vehicle to travel, vehicle is made to get rid of poverty.
Second driving shaft 8 is made of central siphon, telescopic and universal joint etc., is the important portion of passing power in vehicle transmission system
Part.The telescopic is mounted on central siphon, and 8 both ends of second driving shaft are passed with transfer case assembly 7 and right angle respectively by universal joint
Motivation structure 9 is connected.The effect of second driving shaft 8 is together to pass the power of engine with gearbox, main reducing gear, transfer gear etc.
It is delivered to wheel side, vehicle is made to generate driving force.In embodiments of the present invention, the universal joint on second driving shaft 8 preferentially uses constant speed
Universal joint, during Vehicular turn, the universal joint angle on same root transmission shaft close to wheel one end is with wheel steering
Angle change and change, therefore may be differed with the universal joint angle of a both ends of the drive shaft, can using constant velocity cardan joint
Avoid input terminal caused by angle difference and output end rotating speed different problems；Nonconstant velocity universal joint can also be used
Such as Hooke's joint, during Vehicular turn, although input terminal is different from the rotating speed of output end, transfer case assembly 7
Differential gear of the power divider can carry out differential to the input terminal of front and rear sides second driving shaft, ensure that front and back wheel is done in steering procedure
Pure rolling.
In the present embodiment, the right-angle drive mechanism 9 uses bevel-gear sett transmission, i.e., is made of bevel-gear sett
Intersect the gear drive of between centers.The main function of right-angle drive mechanism 9 is：Change the direction of torque transfer, transfer gear is total
The torque conversion passed at 7 be with the equidirectional torque of wheel, to drive wheel rotation drive vehicle movement.To ensure
Four wheel rotation directions when normal vehicle operation are consistent, two pairs of right-angle drive bevel gears of transmission system left and right sides of the present invention
Secondary arrangement form is identical, and two pairs of right-angle drive bevel gear pairs arrangement of front-wheel and trailing wheel is symmetrical about vehicle centre-line.
Claims (7)
1. it is a kind of can pivot stud disaster unit transmission system, it is characterised in that：
The transmission system is by gearbox (1), the first transmission shaft (2), main gearbox assembly (3), the first splined shaft (4), commutation
Device assembly (5), the second splined shaft (6), transfer case assembly (7), second driving shaft (8) and right-angle drive mechanism (9) composition；
The gearbox (1) is longitudinally disposed, and passes through the main reducing gear master of the first transmission shaft (2) and main gearbox assembly (3)
Dynamic bevel gear (31) is coaxially connected, and the power of main gearbox assembly (3) transversely exports, at left and right sides of main gearbox assembly (3)
Output end is coaxially connected by the first splined shaft (4) and the input terminal of commutator assembly (5) respectively, the commutator assembly (5)
Output end it is coaxially connected by the second splined shaft (6) and the transfer gear drive bevel gear (71) of transfer case assembly (7), transfer gear
The power of assembly (7) exports along longitudinal direction, the output end of transfer case assembly (7) front and rear sides respectively by second driving shaft (8) with
Right-angle drive mechanism (9) is connected；
The main gearbox assembly (3) is identical as transfer case assembly (7) structure, by drive bevel gear, driven wheel of differential, differential mechanism
Assembly and differential-speed lock mechanism composition, the drive bevel gear engage connection, driven wheel of differential and differential mechanism with driven wheel of differential
The shell of assembly is fixedly and coaxially connected, and the differential-speed lock mechanism is mounted on the side of differential assembly, and differential-speed lock mechanism locking is poor
When fast device, differential mechanism loses differential function, realizes power mean allocation；
The commutator assembly (5) is made of Transmission Mechanism of Planetary Gear System, commutation executing agency and reversing gear, described to change
Transmission Mechanism of Planetary Gear System both sides are set to executing agency, reversing gear is connected with commutation executing agency, is grasped in commutation
Under the control of vertical mechanism, commutation executing agency drives the commutator left gear of Transmission Mechanism of Planetary Gear System and commutator right gear same
To or reversely rotate, with realize the first splined shaft (4) with the second splined shaft (6) between in the same direction or reverse rotation.
2. as described in claim 1 it is a kind of can pivot stud disaster unit transmission system, it is characterised in that：
In the commutator assembly (5), the commutation executing agency is left by the left flexible connection of commutator (502), commutator
End-tooth (516) outside the right flexible connection of shell (503), commutator right shell body (519), commutator (515) and commutator
Composition, commutator left shell (503) is with commutator right shell body (519) difference empty set in the first splined shaft (4) and the second splined shaft
(6) it is fixedly connected on and symmetrically, the left flexible connection of commutator (502) is led to respectively with the right son (515) that is flexibly connected of commutator
Spline slide is crossed on the commutator hull outside shaft part of respective side, in the left flexible connection of commutator (502) and commutation
On end face between device left shell (503) and between the right flexible connection of commutator (515) and commutator right shell body (519)
On end face, the teeth to match are offered；
In the Transmission Mechanism of Planetary Gear System, planet wheel spindle both ends are fixed in commutator shell, planetary gear respectively with mounted on
The commutator left gear (507) of first spline shaft end and commutator right gear (511) mounted on the second spline shaft end
It is meshed, to realize the rotation along planet wheel spindle or the revolution along the first splined shaft (4) or the second splined shaft (6)；
In the reversing gear, the left shift fork of commutator (501) and the right shift fork of commutator (514) are installed on a commutator left side respectively
In the excircle annular groove of flexible connection sub (502) and the right flexible connection of commutator (515), the left flexible connection of commutator is stirred
Sub (502) and the right flexible connection of commutator (515) slide in an axial direction, realize the commutation of commutator flexible connection son and respective side
Teeth are engaged or are separated between device shell.
3. as claimed in claim 2 it is a kind of can pivot stud disaster unit transmission system, it is characterised in that：
The Transmission Mechanism of Planetary Gear System is by commutator left gear (507), commutator left gear gasket (506), commutator cross
Axis (510), commutator planetary gear (509), commutator planet gear pad (508), commutator right gear (511) and commutator
Right gear gasket (512) forms；
The commutator left gear (507), commutator right gear (511) and commutator planetary gear (509) are circular cone tooth
Wheel；
The commutator left gear (507) connect with the first splined shaft (4) spline fitted transmits torque, the commutator left gear
Gasket (506) is sleeved on the first splined shaft (4) on the outside of commutator left gear (507), and the commutator right gear (511) is logical
It crosses spline and the second splined shaft (6) is connected and transmits torque, the commutator right gear gasket (512) is sleeved on the commutator right side
On the second splined shaft (6) on the outside of gear (511)；The commutator cross axle (510) is located at commutator left gear (507) and changes
To between device right gear (511), there are four the commutator planetary gears (509), is set in commutator cross axle (510)
Four shaft parts on, the commutator planet gear pad (508) is sleeved on the commutator on the outside of commutator planetary gear (509)
On the shaft part of cross axle (510)；It is opened there are four cylinder groove along commutator shell circumferencial direction, the commutator cross axle (510)
Four shaft parts be respectively and fixedly installed in four cylinder grooves, four commutator planetary gears (509) are respectively changed with both sides
It is meshed to device left gear (507) and commutator right gear gasket (512).
4. as claimed in claim 2 it is a kind of can pivot stud disaster unit transmission system, it is characterised in that：
The reversing gear is by the left shift fork of commutator (501), the right shift fork of commutator (514), shift fork fixing sleeve (517) and straight
Line hydraulic cylinder (518) forms, and the bottom adapter of the left shift fork of commutator (501) is embedded in left flexible connection of commutator
(502) in the annular groove of excircle, the bottom adapter of the right shift fork of commutator (514) is embedded in right flexible connection of commutator
(515) in the annular groove of excircle, the left shift fork of commutator (501) and the right shift fork of commutator (514) vertically symmetrical installation；It changes
It is connect to the top of the left shift fork of device (501) with linear hydraulic cylinder (518) by shift fork fixing sleeve (517), the right shift fork of commutator
(514) top is connect by another shift fork fixing sleeve (517) with another linear hydraulic cylinder (318), by automatically controlling
Two linear hydraulic cylinders (518) make two linear hydraulic cylinders (518) separately drive the left shift fork of commutator (501) or change
To the right shift fork of device (514) straight line, and then stir the left flexible connection of commutator (502) and commutator is right is flexibly connected son (515)
The Relative sliding on the first splined shaft (4) and the second splined shaft (6) respectively, realizes the left flexible connection of commutator (502) and changes
The right flexible connection of separation or engagement and commutator (515) to device left shell (503) and commutator right shell body (519)
Engagement or separation.
5. as described in claim 1 it is a kind of can pivot stud disaster unit transmission system, it is characterised in that：
First transmission shaft (2) uses cross-axle universal shaft transmission shaft.
6. as described in claim 1 it is a kind of can pivot stud disaster unit transmission system, it is characterised in that：
The second driving shaft (8) is made of central siphon, telescopic and universal joint, and the telescopic is mounted on central siphon, and second passes
Moving axis (8) both ends are connected with transfer case assembly (7) and right-angle drive mechanism (9) respectively by universal joint.
7. as described in claim 1 it is a kind of can pivot stud disaster unit transmission system, it is characterised in that：
The right-angle drive mechanism (9) is bevel-gear sett transmission, to change the direction of torque transfer, by transfer case assembly
(7) torque conversion passed over be with the equidirectional torque of wheel, to drive wheel rotation drive vehicle movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810416969.5A CN108422855A (en) | 2018-05-04 | 2018-05-04 | It is a kind of can pivot stud disaster unit transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810416969.5A CN108422855A (en) | 2018-05-04 | 2018-05-04 | It is a kind of can pivot stud disaster unit transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108422855A true CN108422855A (en) | 2018-08-21 |
Family
ID=63162348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810416969.5A Pending CN108422855A (en) | 2018-05-04 | 2018-05-04 | It is a kind of can pivot stud disaster unit transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108422855A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110001777A (en) * | 2019-04-04 | 2019-07-12 | 丰疆智能科技研究院(常州)有限公司 | Hybrid power high-speed transplanter and its forward method |
| CN110103704A (en) * | 2019-05-27 | 2019-08-09 | 上海理工大学 | One drives four dynamic Steerring in situ device |
| CN110126573A (en) * | 2019-06-26 | 2019-08-16 | 徐工集团工程机械有限公司 | Vehicle chassis and vehicle |
| CN111098914A (en) * | 2019-12-10 | 2020-05-05 | 苏世耀 | Universal transmission suspension system |
| CN111361631A (en) * | 2018-12-26 | 2020-07-03 | 东汉新能源汽车技术有限公司 | Steering engine, automobile steering system and automobile |
| CN112413080A (en) * | 2020-11-06 | 2021-02-26 | 长沙桑铼特农业机械设备有限公司 | Gearbox and agricultural machine |
| CN113459803A (en) * | 2021-08-16 | 2021-10-01 | 李重生 | Automobile capable of rotating in situ and application method thereof |
| CN115214356A (en) * | 2022-08-01 | 2022-10-21 | 一汽解放汽车有限公司 | Electric double-axle driving device and automobile |
| US11712964B1 (en) * | 2019-10-30 | 2023-08-01 | Oshkosh Corporation | Systems and methods for vehicle suspensions |
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| CN113459803A (en) * | 2021-08-16 | 2021-10-01 | 李重生 | Automobile capable of rotating in situ and application method thereof |
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