CN105882396A - Harvester traveling system - Google Patents
Harvester traveling system Download PDFInfo
- Publication number
- CN105882396A CN105882396A CN201610463206.7A CN201610463206A CN105882396A CN 105882396 A CN105882396 A CN 105882396A CN 201610463206 A CN201610463206 A CN 201610463206A CN 105882396 A CN105882396 A CN 105882396A
- Authority
- CN
- China
- Prior art keywords
- harvester
- pedal
- fuselage
- oscillating arm
- arm bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/0403—Synchronisation before shifting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Harvester Elements (AREA)
Abstract
The invention relates to a harvester traveling system. The system comprises an engine, a clutch, a gearbox, a differential mechanism and a drive axle which are arranged on a harvester body, wherein a synchronizer is assembled in the gearbox, and a stepless speed change mechanism is arranged between the engine and the clutch. The stepless speed change mechanism comprises a swing arm support, a pair of fixed wheels arranged on the swing arm support, and a driving wheel which is arranged between the two fixed wheels and slides in a reciprocating mode. The stepless speed change mechanism further comprises a pedal arranged on the harvester body and a driving component provided with a driving unit and connected to the pedal in a controlling mode, wherein the driving unit is hinged between the harvester body and the swing arm support, and the driving component can control the driving unit to act so as to make the swing arm support rotate relative to the harvester body when external force is applied to the pedal. By arranging the synchronizer on the gearbox, gear shifting is convenient, operation is easy, and gear shifting impact can be reduced. The stepless speed change mechanism enables the rotating speed of an input shaft of the gearbox to adapt to the synchronization capacity of the synchronizer, so that configuration of the synchronizer on the gearbox can be achieved.
Description
Technical field
The present invention relates to harvester technical field, particularly to a kind of running system of harvester.
Background technology
The mechanical type running gear of existing harvester, although transmission efficiency is high, and power loss is little, but existing
Change speed gear box when harvesting buty shifting, easily occur being difficult to gear-change operation, change speed gear box easily damage and
Drive uneasy congruence problem.Additionally, existing harvester general operation is inconvenient, and because of the configuration of running gear
Problem, can not realize the reliable speed change of essence, reduce the quality of harvesting.
Summary of the invention
In view of this, it is contemplated that propose a kind of running system of harvester, with overcome of the prior art not
Foot, and there is preferable using effect.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of running system of harvester, including be located on harvester fuselage, pass successively along power pass order
Electromotor, clutch, change speed gear box, differential mechanism and the drive axle being dynamically connected, assembles in described change speed gear box
There is lock unit, between described electromotor and clutch, be provided with stepless speed changing mechanism, described stepless speed changing mechanism
It is connected with described electromotor and driven by clutches respectively via belt；Described stepless speed changing mechanism includes that rotation sets
It is placed in the oscillating arm bracket on harvester fuselage, rotates be arranged on described oscillating arm bracket a pair positioned opposite
Fixed wheel, and be located between two fixed wheels, and the driving wheel that can reciprocatingly slide between two fixed wheels, described dynamic
It is respectively formed with belt installation portion between both sides end face and the fixed wheel of corresponding side of wheel；Described stepless speed changing mechanism
Also include the pedal being arranged on described harvester fuselage, and there is driver element and control to be connected in institute
Stating the driving assembly of pedal, described driver element is articulated with between described harvester fuselage and oscillating arm bracket,
When external force tramples described pedal, described driving assembly is accepted the amount of the depressing signal of pedal and is controlled described driving list
Metaaction, so that described oscillating arm bracket has the swing relative to described harvester fuselage.
Further, it is provided with between described harvester fuselage and pedal the pedal amount of depressing is detected
First detector unit, described driving assembly includes that controller, described first detector unit are connected on controller,
Also include being arranged at described driver element and be connected on controller, carry out with the drive volume to driver element
Second detector unit of detection.
Further, described driving assembly includes rotating the installing rack being located on harvester fuselage, is arranged at peace
The motor shelved, is in transmission connection in the gear of motor power outfan, and be slideably positioned on installing rack,
And the tooth bar being connected is engaged with described gear, described motor is connected in controller, one end of described tooth bar and pendulum
Arm support is hinged, and with because of the control signal of controller, and orders about described swing arm under the drive of described motor
Support rotates relative to harvester fuselage.
Further, described first detector unit and the second detector unit are respectively to the described pedal amount of depressing
Displacement with tooth bar carries out the displacement transducer detected.
Further, described driving assembly includes the steering gear being arranged on harvester fuselage, described steering gear
Control end control be connected in described pedal, described driver element is for being articulated with described harvester fuselage and connecting
Being connected to the hydraulic cylinder in described steering gear, the telescopic end of described hydraulic cylinder is articulated with on oscillating arm bracket.
Further, described harvester fuselage is provided with the control being in transmission connection in described pedal and steering gear
Between end, control the first transmission component that steering gear rotates to accept the amount of depressing of pedal.
Further, described driving assembly includes the master cylinder being arranged on described harvester fuselage, described
The control end of master cylinder controls to be connected in described pedal, and described driver element is for being articulated with described harvester machine
Body is also connected to the brake cylinder on described master cylinder, and the telescopic end of described brake cylinder is articulated with swing arm
On support.
Further, described harvester fuselage is provided with the control being in transmission connection in described pedal and master cylinder
Between end processed, control the second transmission component of master cylinder motion to accept the amount of depressing of pedal.
Further, when the rotating speed that described electromotor exports is 2200-2300r/min, described infinitely variable speeds
The minimum output speed of mechanism is 700 ± 100r/min.
Relative to prior art, present invention have the advantage that
Running system of harvester of the present invention, by configuring lock unit on change speed gear box, can make gearshift side
Just, it is easy to operation, and shift shock can be reduced, extend the service life of change speed gear box；And the stepless change arranged
Speed mechanism then can make the rotating speed of transmission input shaft, adapts to the synchronization capacity of lock unit, can realize lock unit
Configuration on change speed gear box, to realize preferable using effect.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.At accompanying drawing
In:
Fig. 1 is the power transmission figure of the running system of harvester described in the embodiment of the present invention；
Fig. 2 is the structural representation of the fixed wheel described in the embodiment of the present invention and driving wheel；
Fig. 3 is the schematic diagram of the stepless speed changing mechanism described in the embodiment of the present invention；
Fig. 4 is the structural representation of the first transmission component described in the embodiment of the present invention；
Description of reference numerals:
1-electromotor, 2-engine belt pulley, 3-belt, 4-fixed wheel, 5-driving wheel, 6-clutch pulley,
7-clutch, 8-lock unit, 9-change speed gear box, 10-drive axle, 11-drives assembly, 12-oscillating arm bracket, 13-
Arc-shaped rack.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment
Can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The present invention relates to a kind of running system of harvester, as shown in fig. 1, it includes being located at harvester fuselage
On, the electromotor 1 that is in transmission connection successively along power pass order, clutch 7, change speed gear box 9, differential mechanism
And drive axle 10, in change speed gear box 9, it is equipped with lock unit 8, between electromotor 1 and clutch 7 also
It is provided with stepless speed changing mechanism, and stepless speed changing mechanism is in transmission connection in electromotor 1 and clutch via belt 3
Between 7；The structure of change speed gear box 9 can refer to be configured with in prior art the gearbox designs of lock unit.Such as Fig. 2
Shown in Fig. 3, this stepless speed changing mechanism specifically includes rotation and is arranged at the oscillating arm bracket on harvester fuselage
12, rotate a pair fixed wheel 4 positioned opposite being arranged on oscillating arm bracket 12, and be located at two fixed wheels 4
Between, and the driving wheel 5 that can reciprocatingly slide between two fixed wheels 4, in both sides end face and the corresponding side of driving wheel 5
Fixed wheel 4 between be respectively formed with belt installation portion.
In the present embodiment, driving wheel 5 and fixed wheel 4 are the cone pulley with the conical surface, aforesaid belt installation portion i.e. by
The gap formed between driving wheel 5 and 4 liang of conical surfaces of fixed wheel and two conical surfaces is constituted.This stepless speed changing mechanism also includes
It is arranged at the pedal on harvester fuselage, and there is driver element and control the driving being connected on pedal
Assembly 11, driver element is articulated with between harvester fuselage and oscillating arm bracket 12, when external force pushes pedals,
Assembly 11 is driven to accept the amount of the depressing signal of pedal and control driver element action, so that oscillating arm bracket 12 has
There is the swing relative to harvester fuselage, and realize the step-less adjustment to change speed gear box 9 input speed.
In this enforcement, aforesaid driving assembly 11 can use Electronic control, hydraulic control and pneumatic control three kinds control
Mode processed.
Wherein, when driving assembly 11 to use Electronic control mode, it is right to be provided with between harvester fuselage and pedal
The amount of depressing of pedal carries out the first detector unit detected, and drives assembly 11 then to include and the first detector unit connection
Connect, with receive its detection signal controller, and be arranged at driver element be connected on controller,
The second detector unit detected with the drive volume to driver element.Specifically, assembly 11 is driven to include turning
Move and be located at the installing rack on harvester fuselage, the motor being located on installing rack, it is in transmission connection defeated in motor power
Going out the gear of end, and be slideably positioned on installing rack and engage with gear the tooth bar being connected, motor couples
On controller, one end of tooth bar is hinged with oscillating arm bracket 12.Owing to installing rack is on harvester fuselage
Rotate and arrange, motor can be made under the control of the controller, drive pinion rotation to make rack drives oscillating arm bracket
12 have the wobbling action relative to harvester fuselage.Additionally, use rack pinion not only transmission accuracy
Height, can improve the wobble accuracy of oscillating arm bracket 12 and improve the accuracy of velocity variations；Also can make oscillating arm bracket
The motion stabilization of 12, thus improve the ride comfort of velocity variations.
In the present embodiment, the first detector unit and the second detector unit can use displacement transducer, with the most right
The amount of depressing of pedal and the displacement of tooth bar detect.First detector unit and the second detector unit are except using
Displacement transducer described in the present embodiment, also can use position sensor etc..Certainly, pedal in the present embodiment
Also can directly use existing electronic pedal, and the first detection that the pedal amount of depressing is detected can be saved
Unit.When operator steps on pedal, the pedal signal value of the first displacement transducer detection output becomes big, this
Time controller control motor just then drive gear driven tooth bar output straight-line displacement, and then promote oscillating arm bracket
12 swing, and when the signal of the second detector unit detection and the signal of the first detector unit detection are identical, control
Device controls motor stalls, and the speed of change speed gear box 9 power shaft now can be made to become big.When operator's foot lifts
Time, pedal return, the pedal signal of the first displacement transducer detection output diminishes, and now controller controls electricity
Machine inverts and drives gear driven tooth bar to export reverse straight-line displacement, and then promotes oscillating arm bracket 12 reversely to put
Dynamic, when the signal of the second detector unit detection and the signal of the first detector unit detection are identical, controller control
Motor stalls processed, now can make the speed of change speed gear box 9 power shaft diminish.
When driving assembly 11 described in the present embodiment uses hydraulic control mode, assembly 11 is driven then to include setting
Being placed in the steering gear on harvester fuselage, the control end of this steering gear controls to be connected on pedal, driver element
For being articulated with harvester fuselage the hydraulic cylinder being connected in steering gear, the telescopic end of hydraulic cylinder is articulated with pendulum
On arm support 12；And steering gear can use the all-hydraulic steering gear of planet board of Zhenjiang hydraulic pressure limited company
(product type: 101S-1-100-12.5-B).In the present embodiment, pedal is via being arranged on harvester fuselage
The the first transmission component connection controlled between end gone up and be in transmission connection in pedal and steering gear, the first transmission
Assembly connects can be accepted the amount of depressing of pedal and control the rotation of steering gear.On concrete structure, such as institute in Fig. 4
Showing, this first transmission component includes the arc-shaped rack 13 being connected with pedal, and arc-shaped rack 13 can be at pedal
Rotate centered by the rotating shaft of pedal under drive, and arc-shaped rack 13 be also meshed with the gear in steering gear,
Thus when depressing pedal, arc-shaped rack 13 rotates with pedal, and then can order about pinion rotation, the most just may be used
Steering gear is made to have the rotational angle corresponding with the amount of depressing of pedal, with the output oil by controlling steering gear
Amount, and control the displacement of hydraulic cylinder piston rod, finally can be by hydraulic cylinder traction oscillating arm bracket 12 relative to harvesting
Machine fuselage swings certain angle, and realizes speed change.Steering gear is used to be accurately controlled the straight of hydraulic cylinder piston rod
Displacement of the lines, thus control the wobble accuracy of oscillating arm bracket 12, and the degree of accuracy of speed change can be improved.
When driving assembly 11 described in the present embodiment uses pneumatic control mode, assembly 11 is driven then to include setting
Being placed in the master cylinder on harvester fuselage, the control end of master cylinder controls to be connected on pedal, drives single
Unit is for being articulated with harvester fuselage the brake cylinder being connected on master cylinder, and brake cylinder is flexible
End is articulated with on oscillating arm bracket 12.Harvester fuselage is additionally provided with and is in transmission connection in pedal and master cylinder
Control, between end, to control the second transmission component of master cylinder motion to accept the amount of depressing of pedal.This is years old
Two transmission components are the push rod being connected between the piston rod of master cylinder and pedal, except of course that use push rod
Connect pedal and master cylinder, it is possible to make the pedal piston rod directly with master cylinder be hinged and connected.Thus,
Master cylinder can be made to export the gases at high pressure that the angle ratio depressed with pedal is corresponding by push rod, and lead to
Cross trachea to be sent on brake cylinder, to promote the piston rod of brake cylinder to export the displacement of corresponding proportion, from
And draw oscillating arm bracket 12 and swing corresponding angle relative to harvester fuselage, it is achieved export different rotating speeds.
Stepless speed changing mechanism in the present embodiment in use, by external force pushes pedals, can make driving assembly
11 according to the amount of depressing of pedal, by aforesaid tooth bar, hydraulic cylinder piston rod or brake cylinder piston rod etc.
Traction oscillating arm bracket 12 swings relative to harvester fuselage, thus can change fixed wheel 4 and driving wheel 5 and electromotor
Centre-to-centre spacing between belt pulley 2 and clutch pulley 6, now, belt 3 promotes driving wheel 5 to slide, and
The radius of gyration making the belt installation portion of driving wheel 5 both sides changes, thus realizes the change of speed.
Running system of harvester of the present invention, can by the maximum speed (2200-2300r/min) of electromotor,
By aforesaid stepless speed changing mechanism, the rotating speed of change speed gear box 9 power shaft is reduced to 700 ± 100r/min, thus
Can be with the synchronization capacity matching of lock unit, to realize in the lock unit 8 change speed gear box 9 on harvester fuselage
Configuration, and change speed gear box 9 gearshift can be made convenient, it is easy to operation, and shift shock can be reduced, extend change speed gear box
The service life of 9, and because stepless speed changing mechanism can realize exporting relatively low rotating speed, it is possible to save existing harvesting
On machine install hub reduction gear and reduce cost.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (9)
1. a running system of harvester, on harvester fuselage, along power pass order successively including being located at
Electromotor, clutch, change speed gear box, differential mechanism and the drive axle being in transmission connection, it is characterised in that: in institute
It is equipped with lock unit in stating change speed gear box, between described electromotor and clutch, is provided with stepless speed changing mechanism, institute
State stepless speed changing mechanism to be connected with described electromotor and driven by clutches respectively via belt；Described infinitely variable speeds
Mechanism includes rotating the oscillating arm bracket being arranged on harvester fuselage, rotates and is arranged on described oscillating arm bracket
A pair fixed wheel positioned opposite, and be located between two fixed wheels, and can reciprocatingly slide between two fixed wheels
Driving wheel, is respectively formed with belt installation portion between the both sides end face and the fixed wheel of corresponding side of described driving wheel；Institute
State the pedal that stepless speed changing mechanism also includes being arranged on described harvester fuselage, and have driver element,
And control the driving assembly that is connected on described pedal, described driver element be articulated with described harvester fuselage and
Between oscillating arm bracket, when external force tramples described pedal, the amount of the depressing signal of pedal accepted by described driving assembly
And control described driver element action, so that described oscillating arm bracket has the pendulum relative to described harvester fuselage
Dynamic.
Running system of harvester the most according to claim 1, it is characterised in that: at described harvester machine
The first detector unit that the pedal amount of depressing is detected, described driving assembly bag it is provided with between body and pedal
Including controller, described first detector unit is connected on controller, also includes being arranged at described driver element
It is connected on controller, the second detector unit detected with the drive volume to driver element.
Running system of harvester the most according to claim 2, it is characterised in that: described driving assembly bag
Include rotation and be located at the installing rack on harvester fuselage, the motor being arranged on installing rack, it is in transmission connection in motor
The gear of clutch end, and it is slideably positioned on installing rack and engages with described gear the tooth bar being connected,
Described motor is connected in controller, and one end of described tooth bar is hinged with oscillating arm bracket, with because of the control of controller
Signal processed, and under the drive of described motor, order about described oscillating arm bracket swing relative to harvester fuselage.
Running system of harvester the most according to claim 3, it is characterised in that: described first detection is single
Unit and the second detector unit are that the displacement detected the displacement of the described pedal amount of depressing and tooth bar respectively passes
Sensor.
Running system of harvester the most according to claim 1, it is characterised in that: described driving assembly bag
Including the steering gear being arranged on harvester fuselage, the control end of described steering gear controls to be connected in described pedal,
Described driver element is to be articulated with described harvester fuselage and be connected to the hydraulic cylinder in described steering gear, institute
The telescopic end stating hydraulic cylinder is articulated with on oscillating arm bracket.
Running system of harvester the most according to claim 5, it is characterised in that: at described harvester machine
Be provided with it and be in transmission connection between the control end of described pedal and steering gear, accepting the amount of depressing of pedal and
Control the first transmission component that steering gear rotates.
Running system of harvester the most according to claim 1, it is characterised in that: described driving assembly bag
Including the master cylinder being arranged on described harvester fuselage, the control end of described master cylinder controls to be connected in institute
Stating pedal, described driver element is to be articulated with described harvester fuselage and be connected on described master cylinder
Brake cylinder, the telescopic end of described brake cylinder is articulated with on oscillating arm bracket.
Running system of harvester the most according to claim 7, it is characterised in that: at described harvester machine
It is provided with it and is in transmission connection between the control end of described pedal and master cylinder, to accept the amount of depressing of pedal
And control the second transmission component of master cylinder motion.
Running system of harvester the most according to any one of claim 1 to 8, it is characterised in that:
When the rotating speed of described electromotor output is 2200-2300r/min, the minimum output of described stepless speed changing mechanism turns
Speed is 700 ± 100r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610463206.7A CN105882396B (en) | 2016-06-23 | 2016-06-23 | Running system of harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610463206.7A CN105882396B (en) | 2016-06-23 | 2016-06-23 | Running system of harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105882396A true CN105882396A (en) | 2016-08-24 |
| CN105882396B CN105882396B (en) | 2018-09-14 |
Family
ID=56718764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610463206.7A Active CN105882396B (en) | 2016-06-23 | 2016-06-23 | Running system of harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105882396B (en) |
Citations (8)
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|---|---|---|---|---|
| US20030006074A1 (en) * | 2001-05-23 | 2003-01-09 | Tomoaki Ishikawa | Walk-behind working machine |
| CN2633006Y (en) * | 2003-07-04 | 2004-08-18 | 安棋 | Stepless speed changing device for crawler combine |
| CN201504420U (en) * | 2009-09-28 | 2010-06-16 | 藁城市博远农牧机械有限公司 | Stepless speed change device for running mechanism of corn harvester |
| CN201709149U (en) * | 2010-07-29 | 2011-01-19 | 史志富 | Travel stepless speed variable wheel of harvest machine |
| CN201941589U (en) * | 2011-01-03 | 2011-08-24 | 青岛华瑞汽车零部件有限公司 | Drive axle for combine harvester |
| CN102848914A (en) * | 2012-09-12 | 2013-01-02 | 青岛科瑞特激光设备有限公司 | Hydraulic continuously-variable drive axle assembly |
| CN103072478A (en) * | 2013-01-16 | 2013-05-01 | 青岛科瑞特激光设备有限公司 | Drive axle assembly for large-sized self-propelled combined harvester |
| CN206049353U (en) * | 2016-06-23 | 2017-03-29 | 杨岷川 | Running system of harvester |
-
2016
- 2016-06-23 CN CN201610463206.7A patent/CN105882396B/en active Active
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|---|---|---|---|---|
| US20030006074A1 (en) * | 2001-05-23 | 2003-01-09 | Tomoaki Ishikawa | Walk-behind working machine |
| CN2633006Y (en) * | 2003-07-04 | 2004-08-18 | 安棋 | Stepless speed changing device for crawler combine |
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| CN201709149U (en) * | 2010-07-29 | 2011-01-19 | 史志富 | Travel stepless speed variable wheel of harvest machine |
| CN201941589U (en) * | 2011-01-03 | 2011-08-24 | 青岛华瑞汽车零部件有限公司 | Drive axle for combine harvester |
| CN102848914A (en) * | 2012-09-12 | 2013-01-02 | 青岛科瑞特激光设备有限公司 | Hydraulic continuously-variable drive axle assembly |
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| CN206049353U (en) * | 2016-06-23 | 2017-03-29 | 杨岷川 | Running system of harvester |
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| Title |
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| Publication number | Publication date |
|---|---|
| CN105882396B (en) | 2018-09-14 |
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