CN110131365A - A kind of tractor intelligence 4 wheel driven speed changer and tractor - Google Patents
A kind of tractor intelligence 4 wheel driven speed changer and tractor Download PDFInfo
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- CN110131365A CN110131365A CN201910345872.4A CN201910345872A CN110131365A CN 110131365 A CN110131365 A CN 110131365A CN 201910345872 A CN201910345872 A CN 201910345872A CN 110131365 A CN110131365 A CN 110131365A
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- 210000000080 chela (arthropods) Anatomy 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 16
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- 235000009566 rice Nutrition 0.000 description 2
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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
- B60K17/04—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
-
- 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
- B60K17/346—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
- B60K17/3467—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear combined with a change speed gearing, e.g. range gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The invention proposes a kind of tractor and its tractor intelligence 4 wheel driven speed changers, and the tractor speed changer is mainly by pull-fork assembly, variable speed assembly, 4 wheel driven component, precursor assemblies, 4 wheel driven latch assembly composition.The input shaft of transmission assembly externally continues to output power on the one hand directly through mission case, on the other hand, after realizing that four-speed basic transmission is combined with the secondary speed change that height falls using two axis gear changing modes, is exported respectively to front-wheel drive or front and back wheel four-wheel drive.4 wheel driven latch assembly uses automatically controlled multiple-piece friction plate lockable mechanism, can switch 4 wheel driven in the case where not interrupting power, and can automatically control or be manually entered 4 wheel driven bias ratio example by electronic control unit under different road conditions.Structure of the invention is compact, and it is convenient to manipulate, and the tractor adaptability for working condition for equipping this speed changer is strong, and anti-skidding, anti-sunken vehicle ability is strong, labor intensity of operating staff is low.
Description
Technical field
The present invention relates to agricultural mechanical field, in particular to a kind of tractor intelligence 4 wheel driven speed changer and tractor.
Background technique
Tractor not only can be by mounting great progress field farming operation, and it is dilatory to be formed by mounting trailer
Machine transport unit carries out hauling operation.Relative to light truck or motor tricycle transport vehicle, tractor is more suitable for being engaged in
Transhipment transport under the conditions of non-rice habitats, such as: mountainous region transhipment, forest land transhipment, field transhipment.Under the conditions of non-rice habitats, due to road
Condition is complicated, and road bumpiness, the gradient are big, and tractor driving is easily skidded when driving.Therefore, invent it is a kind of can prevent tractor driving row
The technical issues of tractor intelligence 4 wheel driven speed changer to skid when sailing is this field urgent need to resolve.
Summary of the invention
The technical problem to be solved by the present invention is a kind of tractor intelligence 4 wheel driven speed changer and tractor are provided, anti-skidding,
Anti-sunken ability is strong.
Solution of the invention is achieved in that the present invention proposes a kind of tractor intelligence 4 wheel driven speed changer, special
Sign is, including variable speed assembly, 4 wheel driven component, precursor assemblies, 4 wheel driven latch assembly, electronic control unit；
The power input shaft of the transmission assembly externally continues to output power on the one hand directly through mission case,
On the other hand, output is connect with precursor assemblies respectively and connect output to front-wheel drive or with 4 wheel driven component to the drive of front and back wheel four-wheel
It is dynamic；
The 4 wheel driven latch assembly includes locking pincers, and locking pincers move under the control of decelerating motor, and locking pincers movement makes
Thrust bearing compressed spring, spring compress steel disc and friction plate, the power inputted from forerunner's input shaft are input to rear-guard
Input shaft；
Electronic control unit, the electronic control unit and electric machine controller, forerunner's speed probe, rear-guard speed probe and locking
Power knob connection, electronic control unit according to forerunner's speed probe, rear-guard speed probe detect forerunner's tach signal, after turn
Fast signal control motor controller realizes the control of 4 wheel driven locking to control the position of decelerating motor.
Another technical solution of the invention is that on above-mentioned basis, the variable speed assembly includes power input shaft；
Shift driving shaft, and the triple gear being arranged on shift driving shaft, third speed drive gear, two grades of driving gears,
One grade of driving gear；
Speed change driven shaft, and the bootom gear being arranged on speed change driven shaft, transmission gear, fourth gear driven gear, four
Shelves driven gear, third gear driven gear, two grades of driven gears, first speed driven gear.
Another technical solution of the invention is on above-mentioned basis, and low or first gear master is additionally provided on the triple gear
Moving gear, reverse driving gear and fourth gear driving gear.
Another technical solution of the invention be it is above-mentioned basis on, forerunner's input shaft and rear-guard input shaft,
In, forerunner's input shaft is equipped with forerunner bevel gear and forerunner's input gear, passes through electricity between forerunner's input shaft and rear-guard input shaft
Dynamic multidisc clutch connection.
Another technical solution of the invention is on above-mentioned basis, and rear-guard input is provided on the rear-guard input shaft
Axis Speed sensing gear, rear shaft speed transducer and rear-guard driven gear.
Another technical solution of the invention is that on above-mentioned basis, the electronic multidisc clutch includes friction
Piece, steel disc, clutch hub, spring, thrust bearing, decelerating motor, locking pincers and threaded rod；
Locking pincers are provided with nut, and are mounted on the output shaft of decelerating motor, and threaded rod is provided on output shaft, with
Locking pincers on nut formed nut-screw prismatic pair, thrust bearing be mounted on locking pincers spring between, spring be mounted on from
Between clutch hub and thrust bearing.
Another technical solution of the invention is that on above-mentioned basis, the steel disc is provided with external splines, and by outer
Spline is mounted on clutch hub, and steel disc can be moved forward and backward in clutch hub, it is not possible to be relatively rotated；
Friction plate is provided with internal spline and is mounted on rear-guard input shaft by internal spline, and can be along rear-guard input shaft
On spline be moved forward and backward, it is not possible to relatively rotate.
Another technical solution of the invention is on above-mentioned basis, the friction plate and steel disc arranged for interval.
Another technical solution of the invention is that on above-mentioned basis, the electronic control unit is according to the position of coupling mechanism force knob
It sets, controls the position of decelerating motor, realize different degrees of 4 wheel driven locking control, the ratio for selecting power according to coupling mechanism force knob
Power is distributed to front and back wheel and goes to drive by example；After vehicle stall, electronic control unit control vehicle is transferred to non-4 wheel driven mode automatically.
The present invention also proposes a kind of tractor, including tractor intelligence 4 wheel driven speed changer, wherein the tractor intelligence four
Drive speed changer is tractor intelligence 4 wheel driven speed changer as described above.
Tractor and its tractor intelligence 4 wheel driven speed changer of the present invention, the tractor intelligence 4 wheel driven speed changer,
Pull-fork assembly, variable speed assembly, 4 wheel driven component, precursor assemblies, 4 wheel driven latch assembly composition.The input shaft of transmission assembly passes through one
Aspect externally continues to output power directly through mission case, on the other hand, realizes four-speed main transformer using two axis gear changing modes
After fast device is combined with the secondary speed change that height falls, exported respectively to front-wheel drive or front and back wheel four-wheel drive.4 wheel driven latch assembly is adopted
With automatically controlled multiple-piece friction plate lockable mechanism, 4 wheel driven can be switched in the case where not interrupting power, and can under different road conditions by
Electronic control unit automatically controls or is manually entered 4 wheel driven bias ratio example.Structure of the invention is compact, and it is convenient to manipulate, and equips this speed change
The tractor adaptability for working condition of device is strong, anti-skidding, anti-sunken vehicle ability is strong, and labor intensity of operating staff is low.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.
Fig. 1 is a kind of tractor intelligence 4 wheel driven speed changer schematic diagram of the present invention；
Fig. 2 is variator structural schematic diagram in Fig. 1；
Fig. 3 is speed changer 4 wheel driven drive mechanism schematic diagram；
Fig. 4 is speed variator reverse gear structural schematic diagram；
Fig. 5 is speed variator reverse gear drive path schematic diagram；
Fig. 6 is that speed changer changes to reverse gear schematic diagram；
Fig. 7 is speed changer rear-guard locking structure schematic diagram；
Fig. 8 is electronic control unit schematic diagram.
Appended drawing reference corresponding relationship are as follows:
Cabinet A pull-fork assembly B variable speed assembly C 4 wheel driven component D
Precursor assemblies E main box A1 case lid A2
Power input shaft S1 shift driving shaft S2 triple gear G21
Bis- grades of third speed drive gear G22, mono- grade of driving gear G23 driving gear G24
Three fourth gear splined hub S21, tri- fourth gear combined cover J2, tri- fourth gear shift fork B2
Low or first gear driving gear G211 reverse driving gear G212 fourth gear driving gear G213
Speed change driven shaft S3 bootom gear G31 transmission gear G32
Bis- grades of driven gear G35 of fourth gear driven gear G33 third gear driven gear G34
First speed driven gear G36 height reverse gear splined hub S31 height reverse gear combined cover J1
Mono- or two grades of height reverse speed fork B1, mono- or two grades of splined hub S32 combined cover J3
One or two grades of shift fork B3 forerunner's input shaft S4 rear-guard input shaft S5
Forerunner's bevel gear G40 forerunner's input gear G41 height reverse speed fork B1
Tri- mono- or two grades of shift fork B3 of fourth gear shift fork B2 of reverse speed fork B4
Output gear shaft SL on the left of idle pulley G51 differential mechanism DF differential mechanism
The electronic multidisc clutch F friction plate F1 of output gear shaft SR on the right side of differential mechanism
Steel disc F2 clutch hub F3 spring F4 thrust bearing F5
Locking clamps F6 threaded rod F7 decelerating motor F8 electronic control unit C1
Electric machine controller C2 forerunner's speed probe C3 rear-guard speed probe C4
Coupling mechanism force knob C5 mode switch C6 switch C7
Assembly parts X end cap X1 bolt X2 lip-type packing X3
Bearing X4 snap ring X5 internal spline shaft coupling X6 axle sleeve X7
Retaining ring X8 flange X9 thrust bearing X10
Specific embodiment
Present invention will now be described in detail with reference to the accompanying drawings., the description of this part be only it is exemplary and explanatory, do not answer
There is any restriction effect to protection scope of the present invention.In addition, description of the those skilled in the art according to this document, it can be right
Feature in this document in embodiment and in different embodiments carries out the corresponding combination.
The embodiment of the present invention is as follows, referring to Figure 1 to tractor shown in Fig. 8 and the knot of tractor intelligence 4 wheel driven speed changer
Structure schematic diagram, specifically, as shown in Figure 1, the tractor intelligence 4 wheel driven speed changer mainly includes cabinet A, pull-fork assembly B, speed change
Component C, 4 wheel driven component D, precursor assemblies E.It wherein, include main box A1, case lid A2 in cabinet A.
As shown in Fig. 2, variable speed assembly C mainly includes 1) power input shaft S1；
2) shift driving shaft S2, and the triple gear G21 being arranged on shift driving shaft S2, third speed drive gear G22,
Two grades of driving gears G23, one grade of driving gear G24.Three fourth gear splined hub S21, three fourth gear combined cover J2, three fourth gear shift fork B2.
Wherein, low or first gear driving gear G211, reverse driving gear G212, fourth gear driving gear G213 are provided on triple gear G21.
3) speed change driven shaft, and the bootom gear G31 being arranged on speed change driven shaft S3, transmission gear G32, fourth gear
Driven gear G33, fourth gear driven gear G33, third gear driven gear G34, two grades of driven gear G35, first speed driven gear G36.
Height reverse gear splined hub S31, height reverse gear combined cover J1, height reverse speed fork B1, one or two grades of splined hub S32, one or two grades combine
Cover J3, one or two grades of shift fork B3.Transmission gear G32 is machined on height reverse gear combined cover J1.
4) assembly parts X specifically includes that end cap X1, bolt X2, lip-type packing X3, bearing X4, snap ring X5, internal spline shaft coupling
Device X6, axle sleeve X7, retaining ring X8, flange X9, thrust bearing X10.
As shown in figure 3, mainly including forerunner's input shaft S4, rear-guard input shaft S5 in 4 wheel driven component D.
Wherein, there are forerunner bevel gear G40, forerunner's input gear G41 on forerunner's input shaft S4.Forerunner's input shaft S4 and rear-guard
Pass through electronic multidisc clutch F connection between input shaft S5.
As shown in figure 4, power input shaft S1, shift driving shaft S2, speed change driven shaft S3, forerunner's input shaft S4 are cutd open in diagram
Face arranges in a vertical manner in direction.Reverse shaft is arranged in shift driving shaft S2 at a certain angle, between speed change driven shaft S3.
In the arrangement of shift fork, height reverse speed fork B1 and reverse speed fork B4 share a driving lever, three fourth gear shift fork B2 with
One or two grades of shift fork B3 share a driving lever.
As shown in Figure 5, Figure 6, the transmission gear being provided on reverse shaft on idle pulley G51, idle pulley G51 and speed change driven shaft S3
G32 is often engaged, and idle pulley G51 can slide axially along reverse shaft, as sliding idle pulley G51 to certain position Shi Keyu triple gear
The reverse driving gear G212 of G21 is engaged.
As shown in fig. 7, mainly including differential mechanism DF, output gear shaft SL on the left of differential mechanism, differential mechanism in precursor assemblies E
Right side output gear shaft SR,
Friction plate F1, steel disc F2, clutch hub F3, spring F4, thrust axis are specifically included that in electronic multidisc clutch F
F5 is held, locking clamps F6, threaded rod F7, decelerating motor F8.
Locking pincers F6 is provided with nut, and is mounted on the output shaft of decelerating motor F8, and screw thread is provided on output shaft
Bar F7, with locking pincers F6 on nut formed nut-screw prismatic pair, thrust bearing F5 be mounted on locking pincers F6 and spring F4 it
Between, spring F4 is mounted between clutch hub F3 and thrust bearing F5.Steel disc F2 is provided with external splines, and is installed by external splines
On clutch hub F3, steel disc F2 can be moved forward and backward in clutch hub F3, it is not possible to be relatively rotated.In friction plate F1 is provided with
Spline is simultaneously mounted on rear-guard input shaft S5 by internal spline, and can be moved forward and backward along the spline on rear-guard input shaft S5,
It cannot relatively rotate.Friction plate F1 and steel disc F2 arranged for interval, clutch hub F3 are connected by spline with forerunner's input shaft S4.
As shown in figure 8, mainly including electronic control unit C1, electric machine controller C2, forerunner's revolution speed sensing in electronic control unit
Device C3, rear-guard speed probe C4, coupling mechanism force knob C5, mode switch C6, switch C7.
The gears-shifting theory and power transmission line of tractor intelligence 4 wheel driven speed changer of the present invention are as follows.
As shown in Fig. 2, the rear end power input shaft S1 is connect with shift driving shaft S2 leading portion by internal spline shaft coupling X6, three
Join gear G21 through bearing X4 empty set on shift driving shaft S2, third speed drive gear G22, two grades of driving gear G23, one grade
Driving gear G24, three fourth gear splined hub S21 then pass through to be connected on spline and shift driving shaft S2, passes through retaining ring X8 between gear
It is mutually located.Three fourth gear combined cover J2, three fourth gear shift fork B2 are then configured on three fourth gear splined hub S21 respectively.Shift driving shaft
The rear end S2 is provided with flange X9, can output power to other devices.
The speed change left end driven shaft S3 is mounted on cabinet A1 by bearing X4, bootom gear G31, height reverse gear splined hub
S31 is by axle sleeve X7 empty set on speed change driven shaft S3.Fourth gear driven gear G33, third gear driven gear G34, one or two grades of splines
Hub S33, it is then mounted on speed change driven shaft S3 by spline, two grades of driven gear G35, first speed driven gear G36 then pass through axis
X8 empty set is covered on speed change driven shaft S3.Height is then configured on height reverse gear splined hub S31, one or two grades of splined hub S32 respectively
Reverse gear combined cover J1, one or two grades of combined cover J3, height reverse speed fork B1, one or two grades of shift fork B3.
On gearing relationships, low or first gear driving gear G211 is often engaged with bootom gear G31, fourth gear driving gear
G213 is often engaged with fourth gear driven gear G33, and third speed drive gear G22 is often engaged with third gear driven gear G34, two grades of driving tooths
Wheel G23 is often engaged with two grades of driven gear G35, and one grade of driving gear G24 is often engaged with first speed driven gear G36, transmission gear
G32 is often engaged with idle pulley G51, and transmission gear G32 is often engaged with forerunner's input gear G41.
Specifically:
Neutral gear: when being linked into neutral gear, height reverse gear combined cover J1, three fourth gear combined cover J2, during one or two grades of combined cover J3 are in
Between position, idle pulley G51 is in position shown in Fig. 5.
One grade at a high speed: when using one grade of high speed, stirring height reverse speed fork B1, move back height reverse gear combined cover J1, dial
One or two grades of shift fork B3 are moved, one or two grades of combined cover J3 are moved back.
Power transmission line at this time are as follows: power input shaft S1 → internal spline shaft coupling X6 → shift driving shaft S2 → mono- grade
Driving gear G24 → first speed driven gear G36 → mono- or two grades of combined cover J3 → mono- or two grades of splined hub S32 → speed change driven shaft S3 →
Fourth gear driven gear G33 → height reverse gear combined cover J1 → transmission gear G32 → forerunner's input gear G41 → forerunner bevel gear
G40。
Two grades at a high speed: when using two grades of high speed, stirring height reverse speed fork B1, move back height reverse gear combined cover J1, dial
One or two grades of shift fork B3 are moved, one or two grades of combined cover J3 Forwards are made.
Power transmission line at this time are as follows: power input shaft S1 → internal spline shaft coupling X6 → shift driving shaft S2 → bis- grade
G35 → mono- or two grades of combined cover J3 → mono- or two grades of splined hub S33 → speed change driven shaft S3 of driving gear G23 → bis- grade driven gear →
Fourth gear driven gear G33 → height reverse gear combined cover J1 → transmission gear G32 → forerunner's input gear G41 → forerunner bevel gear
G40。
High speed third gear: when using high speed third gear, stirring height reverse speed fork B1, move back height reverse gear combined cover J1, dials
Dynamic three fourth gear shift fork B2, move back three fourth gear combined cover J2.
Power transmission line at this time are as follows: power input shaft S1 → internal spline shaft coupling X6 → shift driving shaft S2 → tri- or four
The shelves splined hub fourth gear of S21 → tri- combined cover J2 → third speed drive gear G22 → third gear driven gear G34 → speed change driven shaft S3 →
Fourth gear driven gear G33 → height reverse gear combined cover J1 → transmission gear G32 → forerunner's input gear G41 → forerunner bevel gear
G40。
High speed fourth gear: when using high speed fourth gear, stirring height reverse speed fork B1, move back height reverse gear combined cover J1, dials
Dynamic three fourth gear shift fork B2, make three fourth gear combined cover J2 move forward.
Power transmission line at this time are as follows: power input shaft S1 → internal spline shaft coupling X6 → shift driving shaft S2 → tri- or four
The shelves splined hub fourth gear of S21 → tri- combined cover J2 → fourth gear driving gear G213 → fourth gear driven gear G33 → height reverse gear combines
Cover J1 → transmission gear G32 → forerunner's input gear G41 → forerunner bevel gear G40
Low or first gear switching (is illustrated) with one grade of low speed
One grade of low speed: when using one grade of low speed, stirring height reverse speed fork B1, height reverse gear combined cover J1 is made to move forward, dial
One or two grades of shift fork B3 are moved, one or two grades of combined cover J3 are moved back.
Power transmission line at this time are as follows: power input shaft S1 → internal spline shaft coupling X6 → shift driving shaft S2 → mono- grade
Driving gear G24 → first speed driven gear G36 → mono- or two grades of combined cover J3 → mono- or two grades of splined hub S32 → speed change driven shaft S3 →
Fourth gear driven gear G33 → fourth gear driving gear G213 → triple gear G21 → low or first gear driving gear G211 → low or first gear tooth
Take turns G31 → height reverse gear combined cover J1 → transmission gear G32 → forerunner's input gear G41 → forerunner bevel gear G40.
Reverse gear switching (to fall for one grade)
One grade: using fall one grade when, need under neutral state first using reverse speed fork B4 by idle pulley G51 as shown in Figure 5
Position dials to position shown in Fig. 7, then stirs one or two grades of shift fork B3, moves back one or two grades of combined cover J3.
Power transmission line at this time are as follows: power input shaft S1 → internal spline shaft coupling X6 → shift driving shaft S2 → mono- grade
Driving gear G25 → first speed driven gear G37 → mono- or two grades of combined cover J3 → mono- or two grades of splined hub S33 → external splines axle sleeve S34
→ fourth gear driven gear G33 → fourth gear driving gear G213 → triple gear G21 → reverse driving gear G212 → idle pulley G51 →
Transmission gear G32 → forerunner's input gear G41 → forerunner bevel gear G40.
The 4 wheel driven locking that tractor intelligence 4 wheel driven speed changer of the present invention uses specifically:
Locking pincers F6 is moved under the control of decelerating motor F8, and locking pincers F6 movement makes thrust bearing F5 compressed spring F4,
Spring F4 compresses steel disc F2 and friction plate F1, and the power inputted from forerunner's input shaft S4 is transferred to rear-guard input shaft S5.
The 4 wheel driven switching control detailed process that tractor intelligence 4 wheel driven speed changer of the present invention uses are as follows:
Electric machine controller C2, forerunner speed probe C3, rear-guard speed probe C4, coupling mechanism force knob C5, mode switch
C6, switch C7 are connected on electronic control unit C1.
Electric machine controller C2 connection is decelerating motor F8 in Fig. 7.
Switch C7 has the function of to open or close 4 wheel driven, and mode switch C6 has automatically and manually both of which.
Under automatic mode, electronic control unit C1 is controlled according to forerunner speed probe C3, the signal of rear-guard speed probe C4
Electric machine controller C2 realizes the control of 4 wheel driven locking to control the position of decelerating motor F8.
Under manual mode, electronic control unit C1 controls the position of decelerating motor F8 according to the position of coupling mechanism force knob C5, realizes
Power is distributed to front and back wheel and goes to drive by different degrees of 4 wheel driven locking control, the ratio for selecting power according to coupling mechanism force knob
It is dynamic.After vehicle stall, electronic control unit C1 control vehicle is transferred to non-4 wheel driven mode automatically, and prevent vehicle error is linked into four for a long time
Drive mode.
The tractor and its tractor intelligence 4 wheel driven speed changer of above structure, have the advantages that
The first, the secondary speed change group of four-speed basic transmission and height is realized using two axis gear changing modes using transmission assembly
It closes, structure is simple.
The second, speed changer not only has forerunner and 4 wheel driven mode, and input shaft also has the ability for continuing directly to output.
Third realizes 4 wheel driven differential locking using multiple-piece friction plate, and locking torque is controllable, can interrupt in traveling
In the case where power, 4 wheel driven is manipulated, tractor ability of getting rid of poverty is strong.
4th, be equipped with electronic control unit, can be switched in real time by electronic control unit in fully automatic mode 4 wheel driven state and
Preceding bridge differential lockup state reduces the manipulation difficulty of operator under complicated road conditions and operating environment, improves vehicle and passes through
Property.
5th, has the function of 4 wheel driven torque manual allocation, driver can determine rear-guard torque point according to road conditions
Match.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of tractor intelligence 4 wheel driven speed changer, which is characterized in that including variable speed assembly, 4 wheel driven component, precursor assemblies, 4 wheel driven
Latch assembly, electronic control unit；
The power input shaft of the transmission assembly externally continues to output power on the one hand directly through mission case, another
Aspect connect output with precursor assemblies respectively and connect output to front-wheel drive or with 4 wheel driven component to front and back wheel four-wheel drive；
The 4 wheel driven latch assembly includes locking pincers, and locking pincers move under the control of decelerating motor, and locking pincers movement makes thrust
Bearing compressed spring, spring compress steel disc and friction plate, and the power inputted from forerunner's input shaft is input to rear-guard input
Axis；
Electronic control unit, the electronic control unit and electric machine controller, forerunner's speed probe, rear-guard speed probe and coupling mechanism force are revolved
Button connection, electronic control unit are believed according to forerunner's speed probe, forerunner's tach signal of rear-guard speed probe detection, rear-guard revolving speed
Number control electric machine controller realizes the control of 4 wheel driven locking to control the position of decelerating motor.
2. tractor intelligence 4 wheel driven speed changer according to claim 1, which is characterized in that the variable speed assembly includes power
Input shaft；
Shift driving shaft, and the triple gear being arranged on shift driving shaft, third speed drive gear, two grades of driving gears, one grade
Driving gear；
Speed change driven shaft, and the bootom gear being arranged on speed change driven shaft, transmission gear, fourth gear driven gear, fourth gear from
Moving gear, third gear driven gear, two grades of driven gears, first speed driven gear.
3. tractor intelligence 4 wheel driven speed changer according to claim 2, which is characterized in that also set up on the triple gear
There are low or first gear driving gear, reverse driving gear and fourth gear driving gear.
4. tractor intelligence 4 wheel driven speed changer according to claim 1, which is characterized in that forerunner's input shaft and rear-guard
Input shaft, wherein forerunner's input shaft is equipped with forerunner bevel gear and forerunner's input gear, forerunner's input shaft and rear-guard input shaft it
Between connected by electronic multidisc clutch.
5. tractor intelligence 4 wheel driven speed changer according to claim 4, which is characterized in that be arranged on the rear-guard input shaft
There are rear-guard input shaft rotating speed induction gear, rear shaft speed transducer and rear-guard driven gear.
6. tractor intelligence 4 wheel driven speed changer according to claim 4, which is characterized in that the electronic multidisc clutch
Including friction plate, steel disc, clutch hub, spring, thrust bearing, decelerating motor, locking pincers and threaded rod；
Locking pincers are provided with nut, and are mounted on the output shaft of decelerating motor, threaded rod are provided on output shaft, with locking
Nut on pincers forms nut-screw prismatic pair, and thrust bearing is mounted between locking pincers and spring, and spring is mounted on clutch
Between hub and thrust bearing.
7. tractor intelligence 4 wheel driven speed changer according to claim 6, which is characterized in that the steel disc is provided with outer flower
Key, and be mounted on clutch hub by external splines, steel disc can be moved forward and backward in clutch hub, it is not possible to be relatively rotated；
Friction plate is provided with internal spline and is mounted on rear-guard input shaft by internal spline, and can be along on rear-guard input shaft
Spline is moved forward and backward, it is not possible to be relatively rotated.
8. tractor intelligence 4 wheel driven speed changer according to claim 7, which is characterized in that the friction plate and steel disc interval
Arrangement.
9. tractor intelligence 4 wheel driven speed changer according to any one of claim 1 to 8, which is characterized in that described automatically controlled
Unit controls the position of decelerating motor according to the position of coupling mechanism force knob, realizes different degrees of 4 wheel driven locking control, makes power
Power front and back wheel is distributed to according to the ratio that coupling mechanism force knob selects to go to drive；After vehicle stall, electronic control unit controls vehicle
It is transferred to non-4 wheel driven mode automatically.
10. a kind of tractor, including tractor intelligence 4 wheel driven speed changer, which is characterized in that the tractor intelligence 4 wheel driven speed change
Device tractor intelligence 4 wheel driven speed changer as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345872.4A CN110131365A (en) | 2019-04-26 | 2019-04-26 | A kind of tractor intelligence 4 wheel driven speed changer and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345872.4A CN110131365A (en) | 2019-04-26 | 2019-04-26 | A kind of tractor intelligence 4 wheel driven speed changer and tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131365A true CN110131365A (en) | 2019-08-16 |
Family
ID=67575184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910345872.4A Withdrawn CN110131365A (en) | 2019-04-26 | 2019-04-26 | A kind of tractor intelligence 4 wheel driven speed changer and tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131365A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828561A (en) * | 2020-08-17 | 2020-10-27 | 京山三雷重工股份有限公司 | Tractor capable of selecting rotating speed of fifth wheel through multiple gears |
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| CN208602319U (en) * | 2018-05-18 | 2019-03-15 | 长沙桑铼特农业机械设备有限公司 | A kind of tractor monoblock type transmission system and radial type 4 wheel driven type tractor |
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| CN102922994A (en) * | 2012-11-07 | 2013-02-13 | 安徽江淮汽车股份有限公司 | Transmission system of automobile |
| CN104235276A (en) * | 2014-09-18 | 2014-12-24 | 浙江中柴机器有限公司 | Farm vehicle gear shifting gearbox |
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Application publication date: 20190816 |