CN110370925A - A kind of dynamic coupling device and gearbox of the positive and negative rotation of crawler type differential - Google Patents
A kind of dynamic coupling device and gearbox of the positive and negative rotation of crawler type differential Download PDFInfo
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- CN110370925A CN110370925A CN201910569108.5A CN201910569108A CN110370925A CN 110370925 A CN110370925 A CN 110370925A CN 201910569108 A CN201910569108 A CN 201910569108A CN 110370925 A CN110370925 A CN 110370925A
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- 230000008878 coupling Effects 0.000 title claims abstract description 168
- 238000010168 coupling process Methods 0.000 title claims abstract description 168
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 168
- 230000001105 regulatory effect Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 41
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 4
- 238000004826 seaming Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
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- 238000007665 sagging Methods 0.000 description 1
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
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- 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
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The present invention provides the dynamic coupling device and gearbox of a kind of crawler type differential positive and negative rotation, which includes: engine, speed regulating motor group, traction electric machine group, mechanical gear, revolving speed coupling device and torque coupling device；Engine is connect by clutch with mechanical gear, mechanical gear is connect with the central driver gear in revolving speed coupling device, the output end of revolving speed coupling device is connect by clutch with the first input end of torque coupling device, speed regulating motor group is connect with revolving speed coupling device, and clutch is equipped between the second input terminal and traction electric machine group of torque coupling device；The present invention can be realized the variable speed of caterpillar, and the movements such as the one side brake steering, free radius steering and pivot stud of caterpillar can be realized by the cooperation of engine, motor etc., meet the good passage capacity of caterpillar.
Description
Technical field
The present invention relates to harvest machinery field in agriculture project more particularly to a kind of power couplings of crawler type differential positive and negative rotation
It attaches together and sets and gearbox.
Background technique
Currently, domestic caterpillar combine mostly uses single hydraulic continuously variable transmission HST mutually to tie with mechanical gear box
The mode of conjunction transmits power and control direction, and when steering mostly uses one side brake to turn to greatly, such as prior art discloses one kind
Track combine, the driving device for driving running gear to walk that it includes are hydrostatic drive, driving device
Including plunger piston variable hydraulic pump driven by the engine, the quantitative plunger hydraulic motor driven by plunger piston variable hydraulic pump, by liquid
Although stepless speed regulation may be implemented in the planetary reducer of pressure motor driving, the invention, but because turning when it is turned to for one side brake
To causing that turning radius is big, is easy in soil and destroys serious disadvantage to soil shear.In addition, caterpillar combine needs
It frequent start-stop and to be turned in muddy paddy field, energy loss is serious.
Prior art discloses a kind of bi-motor coupled mode electromechanical compound transmission device of tracked vehicle, and which solves double
The inner track that motor independently drives to outer track reflux power delivery issues, but its mechanical gear include two set three
Planet speed change mechanism, two sets of conflux planetary gear sets, a set of intermediate coupling mechanism and two sets of reduction planetary rows are kept off, structure is excessively complicated,
And gearbox overall dimensions, weight are too big so that endless-track vehicle chassis weight is excessive, be easy to cause in deep mud feet fields it is sagging,
Therefore it is not suitable for caterpillar combine.The prior art also discloses a kind of double differectial caterpillar combine speed change
Case, by using differential type steering mechanism, so that engine input power is all transferred to right side track when braking, almost without
Braking power loss, when steering, is more easier, but it can not achieve pivot stud.
Summary of the invention
In response to the deficiencies in the existing technology, the present invention provides a kind of power coupling of crawler type differential positive and negative rotation dresses
It sets, can not only realize the electrodeless variable-speed of caterpillar but also can realize that the one side brake of caterpillar turns to, free radius turns to
And pivot stud.
The present invention achieves the above technical objects by the following technical means.
A kind of dynamic coupling device of crawler type differential positive and negative rotation is applied to caterpillar, the caterpillar packet
Left axletree and right axletree are included, the dynamic coupling device includes: engine, speed regulating motor group, traction electric machine group, mechanical speed change
Mechanism, revolving speed coupling device, torque coupling device, the first left clutch, the first right clutch, the second left clutch, second right side
Clutch and third clutch；
The third clutch be set to the engine output shaft and the mechanical gear input terminal it
Between；
The revolving speed coupling device includes central driver gear, left side revolving speed coupling assembly and right side revolving speed coupling assembly,
The left side revolving speed coupling assembly is identical with the right side revolving speed coupling assembly, is planetary gear mechanism, the left side revolving speed coupling
Sun gear in seaming element and the right side revolving speed coupling assembly is respectively arranged in the two of the gear shaft of the central driver gear
End, the output end and the central driver gear of the mechanical gear are sequentially connected；
The speed regulating motor group includes left speed regulating motor and right speed regulating motor, the left speed regulating motor and the left side revolving speed
Gear ring transmission connection in coupling assembly, the right speed regulating motor is driven with the gear ring in the right side revolving speed coupling assembly to be connected
It connects；
The torque coupling device includes identical left side torque coupling component and right side torque coupling component, the left side
Torque coupling component is two-axis gear drive, including two input terminals and an output end, the left side torque coupling
The output end and left axletree of component are sequentially connected, and the output end of the right side torque coupling component and right axletree transmission connect
It connects；
First left clutch is set to the first input end and the left side revolving speed of the left side torque coupling component
Between the output end of coupling assembly, first right clutch be set to the first input end of the right side torque coupling component with
Between the output end of right side revolving speed coupling assembly；
The traction electric machine group includes left traction electric machine and right traction electric machine, and second left clutch is set to the left side
Between second input terminal of side torque coupling component and the left traction electric machine, second right clutch is set to the right side
Between second input terminal of torque coupling component and second right clutch.
Preferably, the left side revolving speed coupling assembly includes that sun gear, planetary gear, planet carrier, gear ring and revolving speed coupling are defeated
Gear out, wherein the multiple planetary gears being evenly arranged on planet carrier are engaged with sun gear and gear ring respectively, the revolving speed coupling output
Gear is engaged with the gear ring, and the revolving speed coupling output gear is connect with first left clutch.
Preferably, the left side torque coupling component includes transmission shaft, the first torque coupling input shaft, the second torque coupling
Input shaft, the first input gear, the second input gear, the first transmission gear, the second transmission gear and torque coupling output gear；
First input gear is installed on the first torque coupling input shaft, and second transmission gear is installed on
On the second torque coupling input shaft, first transmission gear and the second transmission gear are mounted on the transmission shaft,
The torque coupling output gear is installed in the left axletree, first transmission gear and first input gear and institute
The engagement of the second input gear is stated, second transmission gear is engaged with the torque coupling output gear.
Preferably, the mechanical gear includes low-speed gear, intermediate gear, high gear, variable-speed shaft and dials
Pitch mechanism.
Preferably, under in situ steering situation, first left clutch, first right clutch and the third from
Clutch all disconnects, second left clutch and second right clutch closure, the left traction electric machine and the right traction
Motor is worked at the same time and is turned on the contrary, the speed of final driving left and right sides crawler belt output is identical, contrary.
Preferably, under free radius steering situation, first left clutch, first right clutch, described
Three clutches, second left clutch and second right clutch are all closed, the power of engine output and described
Left speed regulating motor and the power of the right speed regulating motor output carry out revolving speed coupling at revolving speed coupling device, and lead with the left side
The power for drawing motor and the right traction electric machine output carries out torque coupling at torque coupling device, finally exports to the left side
Axle and the right axletree, the left traction electric machine and the right traction electric machine export different rotating speeds, finally make the left and right sides
Crawler belt realizes that differential, driving caterpillar carry out free radius steering.
The present invention also provides a kind of differential gearboxes, including any of the above-described dynamic coupling device.
Beneficial effects of the present invention:
1) the achievable synchronization of the present invention has revolving speed coupling and torque coupling, engine and speed regulating motor in the present invention concurrently
Group controls the revolving speed of planet carrier and sun gear in the planetary gear mechanism in revolving speed coupling device respectively, and the two power is in revolving speed
Revolving speed coupling is carried out at coupling device, to control the output revolving speed of gear ring, and then stepless can control revolving speed coupling device
Ratio coverage realizes the variable speed of caterpillar；The power of traction electric machine group and speed regulating motor group is being based on two-axis tooth
It takes turns and carries out torque coupling at the torque coupling device of mechanism, to realize torque and the engine, speed regulation of traction electric machine group output
The superposition of the torque of motor group output；Pass through engine, the different combinations of speed regulating motor group and traction electric machine group, Ke Yishi
The advance of existing caterpillar, retroversion, one side brake turns to, free radius turns to and pivot stud substantially increases crawler type
The passage capacity and mobility of caterpillar.
2) battery that the speed regulating motor in the present invention also can be used as that generator is caterpillar charges, at engine
When idling operation, speed regulating motor becomes generator, gives battery charging, realizes the recycling of energy.
Detailed description of the invention
Fig. 1 is an a kind of structural representation preferably implemented of the dynamic coupling device of crawler type differential positive and negative rotation of the present invention
Figure；
Fig. 2 is the structural schematic diagram of left side revolving speed coupling assembly in Fig. 1；
Fig. 3 is the structural schematic diagram of left side torque coupling component in Fig. 1.
Appended drawing reference:
1- engine；The left speed regulating motor of 2a-；The right speed regulating motor of 2b-；The left traction electric machine of 3a-；The right traction electric machine of 3b-；4- machine
Tool formula gear；5- revolving speed coupling device；Revolving speed coupling assembly on the left of 5-1-；5-1-1- sun gear；5-1-2- planetary gear；5-
1-3- planet carrier；5-1-4- gear ring；5-1-5- revolving speed couples output gear；5-2- central driver gear；Revolving speed coupling on the right side of 5-3-
Seaming element；6- torque coupling device；Torque coupling component on the left of 6-1-；6-1-1- transmission shaft；The first torque coupling of 6-1-2- is defeated
Enter axis；6-1-3- the second torque coupling input shaft；The first input gear of 6-1-4-；The second input gear of 6-1-5-；6-1-6-
One transmission gear；The second transmission gear of 6-1-7-；6-1-8- torque coupling output gear；Torque coupling component on the right side of 6-2-；7-
Left axletree；8- right axletree；The first left clutch of 9a-；The first right clutch of 9b-；The second left clutch of 10a-；10b- second it is right from
Clutch；11- third clutch.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
It is a preferred embodiment of the present invention a kind of dynamic coupling device of crawler type differential positive and negative rotation, the crawler type below
Vehicle includes: including left axletree 7 and right axletree 8, which includes: engine 1, speed regulating motor group, traction electric machine
Group, mechanical gear 4, revolving speed coupling device 5, torque coupling device 6, the first left clutch 9a, the first right clutch 9b,
Second left clutch 10a, the second right clutch 10b and third clutch 11.
Specifically, as shown in Figure 1, the third clutch 11 is set to the output shaft and the machinery of the engine 1
Between the input terminal of formula gear 4.
The revolving speed coupling device 5 includes central driver gear 5-2, left side revolving speed coupling assembly 5-1 and right side revolving speed coupling
Seaming element 5-3, the left side revolving speed coupling assembly 5-1 are identical with the right side revolving speed coupling assembly 5-3, are planetary gear machine
Structure.Illustrate by taking the revolving speed coupling assembly 5-1 of left side as an example, as shown in Fig. 2, left side revolving speed coupling assembly 5-1 includes sun gear 5-1-
1, planetary gear 5-1-2, planet carrier 5-1-3, gear ring 5-1-4 and revolving speed couple output gear 5-1-5, wherein being evenly arranged on planet carrier 5-
Multiple planetary gear 5-1-2 on 1-3 are engaged with sun gear 5-1-1 and gear ring 5-1-4 respectively, and the revolving speed couples output gear 5-
1-5 is engaged with the gear ring 5-1-4.
Sun gear in left side revolving speed coupling assembly 5-1 and right side revolving speed coupling assembly 5-3 is respectively arranged in the center
The both ends of the gear shaft of transmission gear 5-2, the output end and the central driver gear 5-2 of the mechanical gear 4 pass
Dynamic connection.
The speed regulating motor group includes left speed regulating motor 2a and right speed regulating motor 2b, the left speed regulating motor 2a and the left side
Gear ring in the revolving speed coupling assembly 5-1 of side is sequentially connected, in the right speed regulating motor 2b and the right side revolving speed coupling assembly 5-3
Gear ring transmission connection revolving speed coupling is carried out at revolving speed coupling device 5 when third clutch 11 is closed, thus control two
The output revolving speed of gear ring, so can it is stepless control revolving speed coupling device 5 ratio coverage, realize the stepless change of caterpillar
Speed.Mechanical gear 4 in the present embodiment includes low-speed gear, intermediate gear, high gear, variable-speed shaft and shift fork machine
Structure can be realized three gear speed changes of caterpillar.
Torque coupling device 6 includes identical left side torque coupling component 6-1 and right side torque coupling component 6-2, is two
Shaft type gear drive illustrates by taking the torque coupling component 6-1 of left side as an example, as shown in figure 3, left side torque coupling component 6-1
Including transmission shaft 6-1-1, the first torque coupling input shaft 6-1-2, the second torque coupling input shaft 6-1-3, the first input gear
6-1-4, the second input gear 6-1-5, the first transmission gear 6-1-6, the second transmission gear 6-1-7 and torque coupling output gear
6-1-8；First input gear 6-1-4 is installed on the first torque coupling input shaft 6-1-2, the second transmission gear 6-
1-7 is installed on the second torque coupling input shaft 6-1-3, the first transmission gear 6-1-6 and the second transmission gear 6-
1-7 is mounted on the transmission shaft 6-1-1, and the torque coupling output gear 6-1-8 is installed in the left axletree 7, institute
It states the first transmission gear 6-1-6 to engage with the first input gear 6-1-4 and the second input gear 6-1-5, described
Two transmission gear 6-1-7 are engaged with the torque coupling output gear 6-1-8.
The first left clutch 9a is set to the first input end and left side revolving speed of the left side torque coupling component 6-1
Between the output end of coupling assembly 5-1, i.e., the first left clutch 9a is set to the first transmission gear 6-1-6 and couples with the revolving speed
Between output gear 5-1-5, similarly, the first right clutch 9b is set to the first of the right side torque coupling component 6-2
Between input terminal and the output end of right side revolving speed coupling assembly 5-3.
Traction electric machine group includes left traction electric machine 3a and right traction electric machine 3b, and the second left clutch 10a is set to institute
Between the second input terminal and the left traction electric machine 3a for stating left side torque coupling component 6-1, i.e. the second left clutch 10a setting
Between the second input gear 6-1-5 and left traction electric machine 3a；Similarly, the second right clutch 10b is set to the right side
Between the second input terminal of torque coupling component 6-2 and the second right clutch 10b.
The operating mode of the dynamic coupling device of crawler type differential positive and negative rotation according to the present invention:
As the second left clutch 10a and the second right clutch 10b disconnection, the first left clutch 9a, the first right clutch 9b
When being closed with third clutch 11, power is transmitted to revolving speed coupling device 5 by mechanical gear 4 by engine 1, then
It is output to left axletree 7 and right axletree 8 by torque coupling device 6, to realize the advance and retrogressing of caterpillar.At this point,
The work of speed regulating motor group, power carry out revolving speed with the power of engine 1 at revolving speed coupling device 5 and couple, may be implemented to carry out
The variable speed of belt vehicle, meanwhile, three gear speed changes of caterpillar can be realized by mechanical gear 4.
When the first left clutch 9a, the first right clutch 9b and third clutch 11 disconnect, the second left clutch 10a and the
Two right clutch 10b closure, when left traction electric machine 3a works, power is output to left axletree 7 by torque coupling device 6, and this
When right side traction motor 3 do not work, at this time caterpillar may be implemented right turn movement.Similarly, left traction electric machine 3a work
It does not work, it can be achieved that combined harvester left steering when right traction electric machine 3b works.And as left traction electric machine 3a and right traction electricity
When machine 3b is worked at the same time and turned to opposite, pivot stud is may be implemented in caterpillar.
When the first left clutch 9a, the first right clutch 9b, the second left clutch 10a, the second right clutch 10b and third
When clutch 11 is all closed, the power for power and speed regulating motor the group output that engine 1 exports carries out at revolving speed coupling device 5
Revolving speed coupling, and torque coupling is carried out at torque coupling device 6 with the power of traction electric machine group output, it finally exports to left vehicle
Axis 7 and right axletree 8, by output different rotating speeds, the free radius that caterpillar may be implemented turns to traction electric machine group at this time.
The embodiments of the present invention also provide a kind of differential gearboxes of caterpillar, including above-mentioned power coupling to fill
It sets.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (8)
1. a kind of dynamic coupling device of crawler type differential positive and negative rotation, is applied to caterpillar, the caterpillar includes
Left axletree (7) and right axletree (8), which is characterized in that the dynamic coupling device includes: engine (1), speed regulating motor group, leads
Draw motor group, mechanical gear (4), revolving speed coupling device (5), torque coupling device (6), the first left clutch (9a),
First right clutch (9b), the second left clutch (10a), the second right clutch (10b) and third clutch (11)；
The third clutch (11) is set to the defeated of the output shaft of the engine (1) and the mechanical gear (4)
Enter between end；
The revolving speed coupling device (5) includes central driver gear (5-2), left side revolving speed coupling assembly (5-1) and right side revolving speed
Coupling assembly (5-3), the left side revolving speed coupling assembly (5-1) and the right side revolving speed coupling assembly (5-3) are identical, are planet
Gear mechanism, the sun gear in the left side revolving speed coupling assembly (5-1) and the right side revolving speed coupling assembly (5-3) are pacified respectively
The both ends of gear shaft loaded on the central driver gear (5-2), the output end of the mechanical gear (4) and it is described in
Entreat transmission gear (5-2) transmission connection；
The speed regulating motor group includes left speed regulating motor (2a) and right speed regulating motor (2b), the left speed regulating motor (2a) with it is described
Gear ring transmission connection in left side revolving speed coupling assembly (5-1), the right speed regulating motor (2b) and the right side revolving speed coupling systems
Gear ring transmission connection in part (5-3)；
The torque coupling device (6) includes identical left side torque coupling component (6-1) and right side torque coupling component (6-
2), the left side torque coupling component (6-1) is two-axis gear drive, including two input terminals and an output end,
The output end of the left side torque coupling component (6-1) and left axletree (7) are sequentially connected, the right side torque coupling component (6-
2) output end and the right axletree (8) is sequentially connected；
First left clutch (9a) be set to the left side torque coupling component (6-1) first input end and the left side
Between the output end of revolving speed coupling assembly (5-1), first right clutch (9b) is set to the right side torque coupling component
Between the first input end of (6-2) and the output end of right side revolving speed coupling assembly (5-3)；
The traction electric machine group includes left traction electric machine (3a) and right traction electric machine (3b), and second left clutch (10a) sets
It is placed between the second input terminal and the left traction electric machine (3a) of the left side torque coupling component (6-1), described second is right
Clutch (10b) be set to the right side torque coupling component (6-2) the second input terminal and second right clutch (10b)
Between.
2. the dynamic coupling device of crawler type differential positive and negative rotation according to claim 1, which is characterized in that the left side turns
Fast coupling assembly (5-1) includes sun gear (5-1-1), planetary gear (5-1-2), planet carrier (5-1-3), gear ring (5-1-4) and turns
Speed coupling output gear (5-1-5), wherein the multiple planetary gears (5-1-2) being evenly arranged on planet carrier (5-1-3) respectively with the sun
(5-1-1) and gear ring (5-1-4) engagement are taken turns, revolving speed coupling output gear (5-1-5) is engaged with the gear ring (5-1-4),
Revolving speed coupling output gear (5-1-5) connect with first left clutch (9a).
3. the dynamic coupling device of crawler type differential positive and negative rotation according to claim 1, which is characterized in that the left side turns
Square coupling assembly (6-1) includes transmission shaft (6-1-1), the first torque coupling input shaft (6-1-2), the second torque coupling input shaft
(6-1-3), the first input gear (6-1-4), the second input gear (6-1-5), the first transmission gear (6-1-6), the second transmission
Gear (6-1-7) and torque coupling output gear (6-1-8)；
First input gear (6-1-4) is installed on the first torque coupling input shaft (6-1-2), second transmission
Gear (6-1-7) is installed on the second torque coupling input shaft (6-1-3), first transmission gear (6-1-6) and
Two transmission gears (6-1-7) are mounted on the transmission shaft (6-1-1), torque coupling output gear (6-1-8) installation
In on the left axletree (7), first transmission gear (6-1-6) and first input gear (6-1-4) and described second
Input gear (6-1-5) engagement, second transmission gear (6-1-7) are engaged with the torque coupling output gear (6-1-8).
4. the dynamic coupling device of crawler type differential positive and negative rotation according to claim 1, which is characterized in that the machinery
Formula gear (4) includes low-speed gear, intermediate gear, high gear, variable-speed shaft and shifting fork mechanism.
5. the dynamic coupling device of crawler type differential positive and negative rotation according to claim 1, which is characterized in that turn in situ
Under operating condition, first left clutch (9a), first right clutch (9b) and the third clutch (11) are all disconnected, institute
State the second left clutch (10a) and second right clutch (10b) closure, the left traction electric machine (3a) and the right traction
Motor (3b) is worked at the same time and is turned on the contrary, to drive the speed of left and right sides crawler belt output identical, contrary.
6. the dynamic coupling device of crawler type differential positive and negative rotation according to claim 1, which is characterized in that in free radius
It is first left clutch (9a), first right clutch (9b), the third clutch (11), described under steering situation
Second left clutch (10a) and second right clutch (10b) are all closed, the power of the engine (1) output and described
The power of left speed regulating motor (2a) and the right speed regulating motor (2b) output carries out revolving speed coupling at revolving speed coupling device (5),
And the power exported with the left traction electric machine (3a) and the right traction electric machine (3b) is turned at torque coupling device (6)
Square coupling, finally exports to the left axletree (7) and the right axletree (8), the left traction electric machine (3a) and the right traction
Motor (3b) exports different rotating speeds, so that left and right sides crawler belt realizes that differential, driving caterpillar carry out free radius steering.
7. the dynamic coupling device of crawler type differential positive and negative rotation according to claim 1, which is characterized in that the left speed regulation
Motor (2a), the right speed regulating motor (2b), the left traction electric machine (3a) and the right traction electric machine (3b) can be with hydraulic
Motor in place.
8. a kind of differential gearbox, which is characterized in that including dynamic coupling device described in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569108.5A CN110370925A (en) | 2019-06-27 | 2019-06-27 | A kind of dynamic coupling device and gearbox of the positive and negative rotation of crawler type differential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569108.5A CN110370925A (en) | 2019-06-27 | 2019-06-27 | A kind of dynamic coupling device and gearbox of the positive and negative rotation of crawler type differential |
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| CN110370925A true CN110370925A (en) | 2019-10-25 |
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| CN201910569108.5A Pending CN110370925A (en) | 2019-06-27 | 2019-06-27 | A kind of dynamic coupling device and gearbox of the positive and negative rotation of crawler type differential |
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| US6336886B1 (en) * | 1997-05-14 | 2002-01-08 | Yanmar Agricultural Equipment Co. | Drive unit for crawler working vehicles |
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| CN109263719A (en) * | 2018-10-10 | 2019-01-25 | 北京理工大学 | A kind of device and method for driving endless-track vehicle to turn to |
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