CN103318179A - Traveling agricultural machine - Google Patents
Traveling agricultural machine Download PDFInfo
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- CN103318179A CN103318179A CN2013102457093A CN201310245709A CN103318179A CN 103318179 A CN103318179 A CN 103318179A CN 2013102457093 A CN2013102457093 A CN 2013102457093A CN 201310245709 A CN201310245709 A CN 201310245709A CN 103318179 A CN103318179 A CN 103318179A
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- aforementioned
- advancing
- speed
- speed changing
- shift pedal
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- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 80
- 241000209094 Oryza Species 0.000 abstract description 18
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 18
- 235000009566 rice Nutrition 0.000 abstract description 18
- 239000000446 fuel Substances 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 30
- 230000001133 acceleration Effects 0.000 description 24
- 230000005021 gait Effects 0.000 description 17
- 230000033001 locomotion Effects 0.000 description 8
- 230000005520 electrodynamics Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 230000008093 supporting effect Effects 0.000 description 5
- 210000002268 wool Anatomy 0.000 description 5
- 244000287680 Garcinia dulcis Species 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/006—Other parts or details or planting machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18181—Propulsion control with common controlling member for different functions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/06—Ratio selector apparatus the ratio being infinitely variable
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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
- 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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/437—Pump capacity control by mechanical control means, e.g. by levers or pedals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/101—Infinitely variable gearings
- B60W10/103—Infinitely variable gearings of fluid 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/06—Ratio selector apparatus the ratio being infinitely variable
- F16H2059/065—Inching pedals for setting the ratio of an hydrostatic transmission
-
- 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
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
- F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Transplanting Machines (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Transmission Device (AREA)
Abstract
A riding rice transplanter as an example of traveling agricultural machines has a traveling body (2) supported by wheels (5, 6), an engine (7) mounted on the traveling body (2), a traveling transmission (8) for changing the speed of the engine (7) and transmitting the changed speed to the wheels (5, 6), and a shift pedal (12) for controlling the traveling transmission. The rotational speed of the engine (7) is controlled by an accelerator lever (7a). The shift pedal (12) and the accelerator lever (7a) are interlocked by a cam means (37). When the shift pedal (12) is depressed, the rotational speed of the engine (7) is increased, and when the shift pedal (12) is returned, the rotational speed of the engine (7) is decreased. When the engine (7) is set to a high rotational speed range at the beginning of the depression of the shift pedal (12) and then gradually accelerated, smooth operability of traveling, good working efficiency, and high-speed operation of the rice transplanter are realized with quietness and fuel cost saving of the rice transplanter when the rice transplanter is at a stop achieved.
Description
The application is that to be called " traveling agricultural machine ", international filing date be that February 5, international application no in 2009 are to be for PCT/JP2009/051983, national applications number dividing an application of 200980107510.6 application for a patent for invention to name.
Technical field
The present invention relates to the traveling agricultural machines such as saddle type rice transplanter and riding type trac..
Background technology
Self-evident, saddle type rice transplanter is equipped with seedling-transplanting device at the rear portion of the body of advancing that carries driving engine.In addition, trac. is equipped with the apparatus for work such as tillage device at the rear portion of the body of advancing that carries driving engine.In the traveling agricultural machines such as these saddle type rice transplanters and riding type trac., usually can change gait of march.The change form of the gait of march of traveling agricultural machine roughly is divided into stagewise that the joystick that utilizes manual type changes and two kinds of the stepless regulated by the depression amount of the foot-operated pedal on the floor that is arranged on the body of advancing.
In patent documentation 1, disclosed an a kind of example of speed-changing mechanism of the saddle type rice transplanter that has foot-operated gear shift pedal on the floor.In this patent documentation 1, carry the change-speed box of advancing at the body of advancing, by being arranged on the operation of the shifter bar on the change-speed box of advancing, regulate gait of march.And the shifter bar of the change-speed box of advancing and be arranged on foot-operated gear shift pedal in the driver behavior section mechanically is connected by bar etc., when gear shift pedal being stepped on operation, change-speed box becomes acceleration mode, and in when operation of stepping on of carrying out gear shift pedal, change-speed box becomes deceleration regime.
In addition, in patent documentation 1, gear shift pedal is connected the acceleration joystick and is connected by metal wool with driving engine, and the rotating speed of driving engine and the depression amount of gear shift pedal uprise pro rata.Because when the speed of a motor vehicle of the body of advancing uprises, advance and power that the rice transplanting operation needs uprises, so, when adopting the structure of patent documentation 1, can guarantee the appropriate power corresponding with the speed of a motor vehicle, improve the operability of field machine.
Patent documentation 1: TOHKEMY 2004-199447 communique
But, in patent documentation 1, because gear shift pedal and driving engine accelerate joystick by directly interlocks such as metal wools, so, the variable quantity of the unit time of the operational ton of the unit time of gear shift pedal and the rotating speed of driving engine, in the whole zone of the variable speed operation scope of gear shift pedal, always be fixed on the proportionate relationship of certain straight line.
Thereby, in patent documentation 1, the speed setting of the driving engine when stopping when advancing for quietness and fuel saving etc. is during in low speed rotation such as idling rotations, even step on gear shift pedal, also be difficult to accelerate to the state of the power that obtains regulation, still, when setting rapid acceleration for, can not advance smoothly, operability significantly worsens.
On the other hand, when setting the gait of march that obtains immediately when stepping on gear shift pedal to stipulate for, do not stepping under the halted state of advancing of gear shift pedal, must must be higher with the speed setting of driving engine, like this, owing to the rotating speed of driving engine can not be reduced to the low speed rotation of idling rotation etc., so, quietness can not be guaranteed, simultaneously, the purpose of fuel saving can not be reached.
Namely, there is following requirement: preferably, in the traveling agricultural machines such as saddle type rice transplanter, can sharply not change owing to the small action of gear shift pedal in order to make the speed of a motor vehicle, gear shift pedal needs mobile range to a certain degree, when advancing beginning, need large power, advancing when stopping, making as much as possible the low engine speed rotation, but, in patent documentation 1, can not satisfy simultaneously these requirements.
Summary of the invention
The objective of the invention is to improve this present situation.
The application's inventors are conceived to cam mechanism and finish the application's invention, and the application's invention comprises some distortion.First invention consists of upperseat concept, field machine according to first invention, have on the body of advancing of the wheel of advancing, be provided with: the driving engine that can utilize rotating speed change mechanism change rotating speed, with the power speed changing of aforementioned driving engine and pass to the change-speed box of advancing of the aforementioned wheel of advancing, operate the speed changing operating mechanism of the aforementioned change-speed box of advancing of control by the people, in described traveling agricultural machine, aforementioned speed changing operating mechanism and engine speed change mechanism link in following described mode, namely, when by the cam mechanism that moves by the operation of aforementioned speed changing operating mechanism speed changing operating mechanism being accelerated to operate, the rotating speed of driving engine uprises, when speed changing operating mechanism is carried out deceleration-operation, the engine speed step-down.
Second invention be, in first invention, aforementioned cam mechanism has the cam that the variable speed operation with aforementioned speed changing operating mechanism rotates in linkage, according to the rotation of aforementioned cam, regulates aforementioned rotating speed change mechanism.
The 3rd invention be, in second invention, aforementioned cam is all face cams or the edge type strainer that has camming surface at its outer peripheral face or end face, and the movable link of aforementioned rotating speed change mechanism contacts with aforementioned camming surface.
The 4th invention is the same with the 3rd invention, be subordinated to second invention, this invention is, in second invention, on aforementioned cam, under the state that the distance of leaving center of rotation from one end to the other side gradually changes, form the circular-arc cam path that extends around center of rotation, therefore, aforementioned cam path has medial surface being positioned at the center of rotation side and away from another medial surface of center of rotation, utilize a medial surface in aforementioned two medial surfaces, make aforementioned rotating speed change mechanism and move post, utilize the another one medial surface to make aforementioned rotating speed change mechanism and move with slowing down.
Rice transplanter, according to the size in field and operator's skill level, gait of march (operating speed) is very different, thereby, can say, the application's invention is suitable for saddle type rice transplanter.Therefore, the 5th invention is applicable to saddle type rice transplanter.Namely, the 5th invention is, in the first～four invention, the aforementioned body setting of advancing has seat and bearing circle and as the manoeuvre portion of the foot-operated gear shift pedal of an example of aforementioned speed changing operating mechanism, and, at the rear portion of the aforementioned body of advancing, can regulate seedling-transplanting device is installed to heavens.
In the application's invention, by setting the camb contour of various cam mechanisms for, can at random set the amount of movement of change pedal iso-variable velocity operating mechanism and the relation of engine speed.That is, by camb contour is taken measures, can be achieved as follows simply described control, that is, make speed changing operating mechanism to the mobile initial stage that acceleration side moves, driving engine is sharply accelerated, and after the rotating speed that acquires a certain degree, changes smoothly.
Thereby, under the state that stops to advance, for quietness and fuel saving, can set low idling speed for, when advancing (operation), under the state that obtains necessary power, can change smoothly the speed of a motor vehicle.
As cam mechanism, can adopt various structures, still, when the longitudinal cam of all face cams that adopt the 3rd invention or edge type strainer or the 4th invention, have the designs simplification of making, miniaturization, weight-saving advantage.
In addition, in the 4th invention since acceleration region and slow down regional can be so that the movement of speed changing operating mechanism be different from the relation of the rotating speed of driving engine, so, have advantages of and can further improve advancing property and workability.
Description of drawings
Fig. 1 is the lateral plan of saddle type rice transplanter.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the skeleton diagram of change-speed box of advancing.
Fig. 4 is the advance birds-eye view of handling device of expression.
Fig. 5 is the V-V amplification view of Fig. 4.
Fig. 6 is the VI-VI amplification view of Fig. 4.
Fig. 7 is the VII-VII lateral plan of Fig. 6.
Fig. 8 is the enlarged drawing of the main portion of Fig. 4.
Fig. 9 is the diagram of the other form of expression cam mechanism.
The specific embodiment
Secondly, embodiments of the present invention are described with reference to the accompanying drawings.
In Fig. 1 and Fig. 2, label 1 expression saddle type rice transplanter.This saddle type rice transplanter 1, consisted of by the multiple tracks commonly known in the art of advancing body 2 and liftably be installed in its rear portion formula seedling-transplanting device 3 of planting, the aforementioned body 2 of advancing is equipped with the vehicle body frame 4 that utilizes pair of right and left front vehicle wheel 5 and similarly pair of right and left rear wheel 6 supportings.
In addition, on the vehicle body frame 4 of the aforementioned body 2 of advancing, lift-launch has the driving engine 7 as the acceleration joystick 7a of rotation change mechanism, simultaneously, carry the power speed changing suitably will come from this driving engine 7, pass to aforementioned each wheel 5,6 the change-speed box 8 of advancing, whereby, the aforementioned body 2 of advancing advances to the direction of arrow A by four wheel drive and advances.
In addition, on the vehicle body frame 4 of the aforementioned body 2 of advancing, setting has the driver behavior section 9 of bearing circle 10 and seat 11, in the ground of this driver behavior section 9, position on the right side of aforementioned bearing circle 10, about be provided as side by side the foot-operated gear shift pedal 12 of the directed forward of speed changing operating mechanism, and the foot-operated brake pedal 13 of directed forward similarly.These pedals 12,13 are connected on the aforementioned vehicle body frame 4 free to rotately.
As shown in Figure 3, in the aforementioned change-speed box 8 of advancing, HST formula (hydrostatic) stepless speed changing mechanism 14 is equipped with, this HST formula stepless speed changing mechanism 14, comprise the oil pressure pump 15 of the power operated type variable that is come from aforementioned driving engine 7, and come from the hydraulic motor 16 of the oil pressure actuated of this oil pressure pump 15.In addition, this stepless speed changing mechanism 14, by utilizing shifter bar 17 to change the leaning angle of the swash plate 15a of aforementioned oil pressure pump 15, gait of march to the aforementioned body 2 of advancing is carried out stepless change, on aforementioned shifter bar 17, be connected with the not shown spring device that this shifter bar 17 is suppressed to deceleration direction.
In addition, as shown in Figure 3, in the aforementioned change-speed box 8 of advancing, be equipped with connect to disconnect the clutch mechanism 18 of using to aforementioned each wheel 5,6 transmission of power, simultaneously, be equipped with aforementioned each wheel 5 of braking, 6 stop mechanism 19.
In addition, on the aforementioned change-speed box 8 of advancing, the revolving operating axis 20 relative with aforementioned stop mechanism 19 is set, utilizes metal wool etc. that aforementioned clutch mechanism 18 is connected on the actuating member 21 that is fixed on this operating axis 20.Whereby, when an aforementioned actuating member 21 is arranged on the position that Fig. 4 and Fig. 8 represent with solid line, by connecting aforementioned stop mechanism 19, aforementioned clutch mechanism 18 becomes the halted state of disconnection, and rotate at the rear that in Fig. 8, represents with arrow B and when being positioned on the position of long and two-short dash line, by disconnecting aforementioned stop mechanism 19, become the travel condition that aforementioned clutch mechanism 18 connects.On a described actuating member 21 or aforementioned operation axle 20, the spring device (not shown) that this actuating member 21 is suppressed in the mode of rotating to the direction of aforementioned arrow B is set.
At horizontal direction (in the front view of the body 2 of advancing, left and right directions) the variable speed operation axle 22 that extends, can be rotated freely the front part of ground axle suspension in aforementioned vehicle body frame 4 by bearing 23, right-hand member at this variable speed operation axle 22, arrange and detect stepping on operation and stepping on the testing agency 24 that removes operation (being described in detail later) usefulness of aforementioned gear shift pedal 12, on the other hand, at the left end of aforementioned variable speed operation axle 22, be fixed with quadrant gear 25.
In addition, arm 26 is fixed on the aforementioned variable speed operation axle 22, is fixed with the front end of the connection rod of gear shifting 27 that rearward extends at the front end pivoting of this arm 26.In addition, in the rear end of this connection rod of gear shifting 27, form the long slot bore 27a of suitable length L, the pin 17a of front end of shifter bar 17 that is arranged on the stepless speed changing mechanism 14 of the aforementioned change-speed box 8 of advancing can embed with being free to slide and be coupled among this elongated slot 27a.
Thereby, aforementioned stepless speed changing mechanism 14, do not rotate at aforementioned variable speed operation axle 22, under the state that aforementioned connection rod of gear shifting 27 does not rearward move, be in basically the not state of transferring power, but, rotate to the anticlockwise direction shown in the arrow G of Fig. 4 and Fig. 8 from aforementioned variable speed operation axle 22, the moment that the length L of aforementioned elongated slot 27a is crossed in aforementioned connection rod of gear shifting 27 rearward movements rises, with the aforementioned connection rod of gear shifting 27 rearward ratios that are moved into, gait of march is infinitely accelerated, on the other hand, when aforementioned variable speed operation axle 22 rotates to the clockwise direction shown in the arrow H of Fig. 5 and Fig. 6, when aforementioned connection rod of gear shifting 27 forwards moved, gait of march and this moved pro rata stepless deceleration.
On aforementioned quadrant gear 25, be engaged with the miniature gears 29 that is driven by electrodynamic type actuator (for example electro-motor) 28.Thereby, making aforementioned quadrant gear 25 positive and negative rotations by utilizing electrodynamic type actuator 28, aforementioned variable speed operation axle 22 is with the anticlockwise direction shown in the aforementioned arrows C with the clockwise direction positive and negative rotation shown in the aforementioned arrows D.
In the part of the right-hand member of aforementioned variable speed operation axle 22, can rotate freely ground axle suspension with it parallel speed change be installed on the vehicle body frame 4 with the aforementioned variable speed operation axle 22 of pedal shaft 30().(step on when operating) when this speed change is stepped on from the posture lodging ground of holding up via link gear 31 and aforementioned gear shift pedal 12 interlocks, the not shown spring device of opposing and with aforementioned gear shift pedal 12 with pedal shaft 30, gear shift pedal axle 30 rotates along the anticlockwise direction shown in the arrow E.Otherwise, when by spring device returning to originally when holding up posture from stepping on the position aforementioned gear shift pedal 12, namely to finish and step on when removing operation, gear shift pedal axle 30 rotates along the clockwise direction shown in the arrow F.
And, the aforementioned testing agency 24 of the right-hand member of aforementioned variable speed operation axle 22, comprise: the case 24a that is fixed in aforementioned variable speed operation axle 22, can be arranged at the rotor 24b of this case 24a with rotating freely, the outstanding forked arm 24c from this rotor 24b to radial direction foreign side is arranged on pair of switches 24d, the 24e of the both sides of aforementioned forked arm 24c in aforementioned case 24a.From the aforementioned speed change front end with the outstanding arm 32 of pedal shaft 30, be coupled on the aforementioned forked arm 24c, therefore, forked arm 24c and rotor 24b, by the operation of stepping on of aforementioned gear shift pedal 12, to arrow E ' shown in anticlockwise direction rotate.Like this, a switch 24d is switched to connection from disconnection.Otherwise when aforementioned gear shift pedal 12 was stepped on the operation of releasing from the state of stepping on, forked arm 24c and rotor 24b rotated along the clockwise direction shown in the arrow F ', and another switch 24e converts connection to from disconnection.
What represent with label 33 among Fig. 4 is controller.This controller will come from the signal of two switch 24d, 24e of aforementioned testing agency 24 as incoming signal, suitably change this incoming signal, output to aforementioned electric dynamic formula actuator 28, when a switch 24d among aforementioned two switch 24d, the 24e becomes connection from disconnection, quadrant gear 25 is driven by aforementioned electric dynamic formula actuator 28, make aforementioned variable speed operation axle 22 to the direction rotation of arrow C, thus, shown in the solid arrow G among Fig. 4, Fig. 6 and Fig. 8, aforementioned connection rod of gear shifting 27 is rearward mobile.When another switch 24e among aforementioned two switch 24d, the 24e became connection from disconnection, shown in the dotted arrow H among Fig. 4, Fig. 6 and Fig. 8, aforementioned connection rod of gear shifting 27 was forwards mobile.
As shown in Figure 8, with aforementioned clutch mechanism 18 and stop mechanism 19 both relative actuating members 21 on, supporting slice 21a is set integrally, aforementioned connection rod of gear shifting 27 can connect this supporting slice 21a with being free to slide.In the rearward end of this connection rod of gear shifting 27, the locking plate 27b that contacts with aforementioned supporting slice 21a is set.Therefore, under the state that aforementioned variable speed operation axle 22 rotations, aforementioned connection rod of gear shifting 27 are not rearward moved, namely, when the state of the operation of not stepping on aforementioned gear shift pedal 12, an aforementioned actuating member 21, the halted state of utilizing aforementioned locking plate 27b to remain on aforementioned stop mechanism 19 connected and aforementioned clutch mechanism 18 being disconnected.And, when aforementioned connection rod of gear shifting 27 rearward moved, an aforementioned actuating member 21 resistance spring devices became the rear rotation of the arrow B that represents with long and two-short dash line among Fig. 8, the state of advancing, aforementioned stop mechanism 19 becomes disconnection, and aforementioned clutch mechanism 18 becomes connection.
With the brake pedal 13 that aforementioned gear shift pedal 12 arranges side by side, be installed on the brake axle 34 of aforementioned vehicle body frame 4, by the operation of stepping on of brake pedal 13, brake axle 34 rotations.Arm 35 is fixed on the brake axle 34, front end at this arm 35, be connected with the brake connecting rod 36 that rearward extends, such as Fig. 4 and shown in Figure 8, the rear end part of brake connecting rod 35 can connect fastening sheet 21b with being free to slide, this fastening sheet 21b is arranged on the aforementioned actuating member 21, is provided with retainer 36a in the rear end of brake connecting rod 35.Thereby, under the state of not stepping on the aforementioned brake pedal 13 of operation, permission is from halted state (position that Fig. 8 represents with solid line) freely the moving to travel condition (position that represents with long and two-short dash line Fig. 7) of an aforementioned actuating member 21, but, when an aforementioned actuating member 21 is in aforementioned travel condition, during the operation of aforementioned brake pedal 13 being stepped on if revolt spring, have nothing to do with aforementioned connection rod of gear shifting 27, can form forcibly with an aforementioned state that actuating member 21 stops.In other words, can have precedence over the operation of aforementioned gear shift pedal 12, forcibly form halted state.
In addition, the acceleration joystick 7a of aforementioned variable speed operation axle 22 and aforementioned driving engine 7 links as follows, namely, when direction rotation that variable speed operation axle 22 represents to arrow C, the rotating speed of aforementioned driving engine 7 accelerates, when aforementioned variable speed operation axle 22 during not to the direction rotation shown in the arrow D, the rotating speed of aforementioned driving engine 7 slows down.Under regard to this point and describe.
On aforementioned vehicle body frame 4, the accelerator universal driving shaft 38 that extends abreast with aforementioned variable speed operation axle 22 can be installed with rotating freely, cam 37 is fixed on the aforementioned variable speed operation axle 22.The outer peripheral face of cam 37 becomes along with the direction that represents to aforementioned arrow C is advanced, the camming surface 37a that radius dwindles successively from centre of gration.
Front end at the first arm 39 of giving prominence to from aforementioned accelerator universal driving shaft 38 arranges roller 39a, makes this roller 39a contact with the camming surface 37a of aforementioned cam 37.On the other hand, from outstanding the second arm 40 of aforementioned accelerator universal driving shaft 38 be connected the acceleration joystick 7a of driving engine 7 by connections such as metal wools.When direction rotation that aforementioned variable speed operation axle 22 represents to arrow C, the aforementioned acceleration joystick 7a resistance retracing spring 7b of mechanism, to the direction rotation of arrow J, the rotating speed of aforementioned driving engine 7 accelerates.On the other hand, when direction rotation that aforementioned variable speed operation axle 22 represents to arrow D, aforementioned acceleration joystick 7a is by retracing spring 7b, and to the direction rotation of arrow K, the rotating speed of aforementioned driving engine 7 slows down.
And because under the state that aforementioned gear shift pedal 12 is not operated, aforementioned variable speed operation axle 22 does not rotate, aforementioned connection rod of gear shifting 27 is rearward not mobile yet, so the gear-change hand lever 17 of HST formula stepless speed changing mechanism 14 does not rotate.And when not stepping on aforementioned gear shift pedal 12, an aforementioned actuating member 21 becomes the halted state that represents with solid line in each figure, and stop mechanism 19 is connected, and clutch mechanism 18 disconnects, and cuts off the transmission of power, so the body 2 of advancing or not.
Secondly, when stepping on the operation of aforementioned gear shift pedal 12, at first, aforementioned speed change uses pedal shaft 30 to the arrow E direction rotation, based on this rotation, the forked arm 24c of aforementioned testing agency 24 and rotor 24b to arrow E ' direction rotation, thereby a switch 24d among two switch 24d, the 24e of aforementioned testing agency 24 is transformed into connection from disconnection.Like this, utilize the indication of aforementioned controller 33, aforementioned electric dynamic formula actuator 28 drives, and makes aforementioned variable speed operation axle 22 to the direction rotation of arrow C, and whereby, aforementioned connection rod of gear shifting 27 is shown in the solid line arrow G, and beginning is rearward mobile.
In the process that aforementioned connection rod of gear shifting 27 rearward moves, when its initial movable quantitative change becomes the length L of long slot bore 27a of rear end, its retainer 27b from the supporting slice 2a of an aforementioned actuating member 21 rearward away from, thereby an aforementioned actuating member 21 rotates to the travel condition that long and two-short dash line represents.Like this, stop mechanism 19 disconnects, and clutch mechanism 18 is connected transferring power.
Aforementioned connection rod of gear shifting 27 rearward movements, the continuation of stepping on operation by aforementioned gear shift pedal 12 is proceeded, in its rearward stage that is moved beyond the length L of aforementioned long slot bore 27a, aforementioned shifter bar 17 rearward rotates, aforementioned HST stepless speed changing mechanism 14 actions, transferring power is so the body 2 of advancing begins to advance.The advance gait of march of body 2, proportional with aforementioned connection rod of gear shifting 27 rearward amount of movements (that is, aforementioned gear shift pedal 12 step on operational ton).
When operation of stepping on that stops aforementioned gear shift pedal 12, under the state that the rotation of the arrow C of the aforementioned variable speed operation axle 22 that electrodynamic type actuator 28 causes continues, speed change is stopped the rotation with pedal shaft 30, thereby, a switch 24d of aforementioned testing agency 24 becomes disconnection from connection, like this, indication by aforementioned controller 33, the aforementioned variable speed operation axle 22 that is caused by the electrodynamic type actuator stops to the rotation of arrow C direction, accompany therewith, aforementioned connection rod of gear shifting 27 rearward movements stop in this position.Thereby the body of advancing keeps the gait of march of stepping on the position corresponding to aforementioned gear shift pedal 12.
Secondly, when removing operation by making pin leave stepping on of aforementioned gear shift pedal 12, thereby gear shift pedal 12 is returned when rotating to the original posture of holding up by spring device from stepping on state, aforementioned speed change is rotated to the direction of arrow F with pedal shaft 30, based on this rotation, the forked arm 24c of aforementioned testing agency 24 and rotor 24b rotate to the direction of arrow F ', thus, two switch 24d of aforementioned testing agency 24, another one switch 24e among the 24e is transformed into connection from disconnection, like this, acceptance comes from the electrodynamic type actuator 28 of the indication of aforementioned controller 33, make aforementioned variable speed operation axle 22 to the direction rotation of arrow D, whereby, aforementioned connection rod of gear shifting 27 is shown in dotted arrow H, and is forwards mobile.
Move to the rear shown in the dotted arrow H by connection rod of gear shifting 27, aforementioned shifter bar 17 rearward rotates, and the aforementioned change-speed box 8 of advancing is converted to deceleration, so the gait of march of advancing of the body 2 of advancing is also slowed down.
When stopping halfway aforementioned stepping on when removing operation, because aforementioned variable speed operation axle 22 is by the direction rotation of electrodynamic type actuator 28 to arrow D, and gear shift pedal axle 30 stops the rotation, so the another one switch 24e of aforementioned testing agency 24 becomes disconnection from connection, like this, by the indication of aforementioned controller 33, electrodynamic type actuator 28 stops, and aforementioned variable speed operation axle 22 stops to the rotation of the direction of arrow D, and then the movement forwards of aforementioned connection rod of gear shifting 27 stops in this position.Whereby, the state that keeps gait of march to slow down.
When aforementioned gear shift pedal 12 turned back to the original posture of holding up, aforementioned shifter bar 17 restored, and becomes the aforementioned hardly state of transferring power of change-speed box 8 of advancing.And, the halted state that becomes that an aforementioned actuating member 21 is connected aforementioned stop mechanism 19 and aforementioned clutch mechanism 18 is disconnected.Therefore, aforementioned the advancing of body 2 of advancing stops.
Like this, aforementioned gear shift pedal 12 is stepped on starting and the acceleration of operation, by utilizing actuator 28 to make via controller 33 to advance change-speed box 8 accelerated motions to carry out, on the other hand, the stepping on the acceleration of removing operation and stop of aforementioned gear shift pedal 12, also undertaken by utilizing actuator 28 to make to advance change-speed box 8 to carry out speed-down action, because at aforementioned gear shift pedal 12 and advance and have aforementioned testing agency 24 and aforementioned drives 28 between the change-speed box 8, so, can avoid the rapid acceleration of stepping on when operation of aforementioned gear shift pedal 12 or sharply starting, and the stepping on the abrupt deceleration when removing operation or sharply stop of aforementioned gear shift pedal.
In addition, owing to utilizing actuator 28 to make the aforementioned change-speed box 8 of advancing carry out gear shifting operation, so, can alleviate the operating effort of stepping on of aforementioned gear shift pedal 12, and, the load in the time of can avoiding the shifter bar 17 of the aforementioned change-speed box 8 of advancing to carry out gear shifting operation and impact and pass to gear shift pedal 12 as so-called recoil.
And, by stepping on the aforementioned variable speed operation axle 22 that causes of operation to the rotation of arrow C direction by aforementioned gear shift pedal 12, cam 37 is to same direction rotation, thereby the acceleration joystick 7a of aforementioned driving engine 7 utilizes the directional tagging of the camming surface 37a of aforementioned cam 37, resistance retracing spring 7b, to the direction rotation of arrow J, so the rotating speed of aforementioned driving engine 7 automatically accelerates.
On the other hand, when aforementioned variable speed operation axle 22 is removed operation by stepping on of aforementioned gear shift pedal 12 and during to the direction rotation of arrow D, cam 37 is to same direction rotation, thereby, the acceleration joystick 7a of aforementioned driving engine 7 utilizes the directional tagging of the camming surface 37a of aforementioned cam 37, utilize retracing spring 7b to the direction rotation of arrow K, so the rotating speed of aforementioned driving engine 7 automatically slows down.
That is, when changing the rotating speed of aforementioned driving engine 7 by the operation of aforementioned gear shift pedal 12, the change of this rotating speed is undertaken by the cam 37 that rotates in linkage with aforementioned gear shift pedal 12.
And, in this case, as described in aforementioned prior art, have only with aforementioned variable speed operation axle 22 or gear shift pedal 12, and aforementioned acceleration joystick 7a mechanically connect structure the time, because the unit speed change the relationship between quantities of the unit variable speed operation amount of aforementioned gear shift pedal 12 and the rotating speed of aforementioned driving engine 7 becomes the proportionate relationship of straight line, so, when the engine speed when stopping when advancing is set lowly, the rotating speed of driving engine becomes lower than the value of regulation when advancing, otherwise, when the engine speed in the time will advancing was set as specified value, the engine speed of advancing when stopping to uprise.
Relative therewith, in the present embodiment, the action of aforementioned acceleration joystick 7a is undertaken by the rotation of cam 37, thereby, can be by the shape of the camming surface 37a of aforementioned cam 37, make the unit speed change the relationship between quantities of the rotating speed of the unit variable speed operation amount of aforementioned gear shift pedal and driving engine, become the arbitrarily relation such as non-directional proportionate relationship.Thereby, aforementioned gear shift pedal 12 is not being stepped under the halted state of advancing of operation, the rotating speed of aforementioned driving engine 7 can be remained on the low speed rotation of minimum idling rotation etc., simultaneously, by stepping on of aforementioned gear shift pedal 12, the rise of rotational speed of aforementioned driving engine 7 can be arrived the High Rotation Speed of the desirable gait of march that obtains.
The other form of expression among Fig. 9, in this embodiment, cam mechanism be substituted in form camming surface on the periphery and form cam path 37 '.
Namely, on aforementioned quadrant gear 25, in 37 ' time of aforementioned cam path, be set in the mode of extending along circumferencial direction, with from this cam path 37 ' starting end (end) 37a ' to the radius R 1 of the centre of gration of aforementioned quadrant gear 25 mode larger than the radius R 2 from terminal (other end) 37b ' to the centre of gration of aforementioned quadrant gear 25, make this cam path 37 ' to the hand of rotation inclination of the arrow C of aforementioned quadrant gear 25.That is, cam path 37 ' with along with advancing to the acceleration hand of rotation (D direction) of quadrant gear 2 and opposite sense (C direction) and tilt near the mode of centre of gration.
Aforementioned cam path 37 ' in, can be combined with roller 39a with being free to slide, this roller 39a is arranged on from the front end of the first outstanding arm 39 of aforementioned accelerator universal driving shaft 38, in addition, be fixed on the aforementioned accelerator universal driving shaft 38 the second arm 40 be connected the acceleration joystick 7a of driving engine 7 by metal wool 41 connections such as grade.
In this structure, when aforementioned quadrant gear 25 rotates to arrow C (, gait of march is accelerated) time, by aforementioned cam path 37 ' about the directional tagging of medial surface 37c ' in the outside among two medial surface 37c ', the 37d ', aforementioned acceleration joystick 7a revolts the 7b of its retracing spring mechanism, rotates to the direction shown in the arrow J.Therefore, the rotating speed of aforementioned driving engine 7 from the low speed rotation state of idling rotation etc., is automatically accelerated pro rata with the acceleration of gait of march.
On the other hand, when aforementioned quadrant gear 25 rotates (namely along arrow D, gait of march is slowed down) time, directional tagging by the inner peripheral surface 37d ' of the inboard among two medial surface 37c ', the 37d ' of aforementioned cam path 37, aforementioned acceleration joystick 7a is by the 7b of its retracing spring mechanism, return rotation to the direction contrary to the above shown in the arrow K, so, the rotating speed of aforementioned driving engine 7 and the deceleration of gait of march are automatically slowed down pro rata, when stopping when advancing, become the low speed rotation state of idling rotation etc.
Whereby, can with the proportionate relationship of the unit speed change amount of the rotating speed of the unit variable speed operation amount of aforementioned gear shift pedal 12 and aforementioned driving engine 7, set the state of advancing in starting and the different proportionate relationship of state of slowing down and stopping for.
In addition, self-evident, the rotating speed of aforementioned driving engine 7 also can change arbitrarily by manually aforementioned acceleration joystick 7a being carried out rotating operation.
The industrial possibility of utilizing
The application's invention can be applicable to the traveling agricultural machines such as saddle type rice transplanter, improves its availability, thereby, have the industrial possibility of utilizing.
Nomenclature
1 saddle type rice transplanter
2 bodies of advancing
3 seedling-transplanting devices
4 vehicle body frames
5 front-wheels
6 trailing wheels
7 driving engines
7a accelerates joystick (rotation change mechanism)
8 change-speed boxs of advancing
9 driver behavior sections
12 gear shift pedals (speed changing operating mechanism)
13 brake pedals
14 form the HST formula stepless speed changing mechanism of the core of the change-speed box of advancing
17 gear-change hand levers
18 clutch mechanisms
19 stop mechanisms
21 actuating members
22 variable speed operation axles
24 testing agencies
25 speed change quadrant gears
27 connections rod of gear shifting
28 actuators
33 controllers
37 cams
The 37a camming surface
37 ' cam path
37c ', 37d ' cam path medial surface
Claims (4)
1. a traveling agricultural machine comprises: the body of advancing (2) with the wheel of advancing (5,6); The driving engine (7) of lift-launch on the described body of advancing (2); With the power speed changing of described driving engine (7) and pass to the change-speed box of advancing (8) of the described wheel of advancing (5,6); Operated to control the speed changing operating mechanism (12) of the described change-speed box of advancing (8) by the people; And brake pedal (13),
In the described change-speed box of advancing (8), have: connect, disconnect the clutch mechanism (18) of using to the transmission of power of the described wheel of advancing (5,6); And the stop mechanism (19) that the described wheel of advancing (5,6) is braked, in described traveling agricultural machine,
Described speed changing operating mechanism (12) and described clutch mechanism (18) are linked as follows: return when described speed changing operating mechanism (12) being removed operation when advancing halted state, described clutch mechanism (18) disconnects.
2. traveling agricultural machine as claimed in claim 1, described speed changing operating mechanism (12), described clutch mechanism (18) and described stop mechanism (19) are linked as follows: return when described speed changing operating mechanism (12) being removed operation when advancing halted state, described clutch mechanism (18) disconnects, and described stop mechanism (19) is connected.
3. traveling agricultural machine as claimed in claim 2, the described change-speed box of advancing (8) have the stepless speed changing mechanism (14) of the power that transmits described driving engine (7),
Described traveling agricultural machine also is equipped with: detect described speed changing operating mechanism (12) serviceability testing agency (24) and control the actuator (28) of described stepless speed changing mechanism (14) based on the testing result of described testing agency (24),
By driving the actuating member (21) that moves by described actuator (28) based on the testing result of described testing agency (24), with described clutch mechanism (18) and described stop mechanism (19) interlock.
4. traveling agricultural machine as claimed in claim 3, described testing agency (24) has pair of switches (24d, 24e),
Under the state that the bolster (30) of rotatably mounted described speed changing operating mechanism (12) is rotating, either party in two described switches (24d, 24e) connects, described actuator (28) drives, under the state that described bolster (30) rotation stops, two described switches (24d, 24e) disconnect, and described actuator (28) stops.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008055170A JP5041539B2 (en) | 2008-03-05 | 2008-03-05 | Traveling agricultural machine |
| JP2008-055170 | 2008-03-05 | ||
| CN200980107510.6A CN101959733B (en) | 2008-03-05 | 2009-02-05 | Traveling agricultural machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980107510.6A Division CN101959733B (en) | 2008-03-05 | 2009-02-05 | Traveling agricultural machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103318179A true CN103318179A (en) | 2013-09-25 |
| CN103318179B CN103318179B (en) | 2016-08-24 |
Family
ID=41055842
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310245709.3A Expired - Fee Related CN103318179B (en) | 2008-03-05 | 2009-02-05 | Traveling agricultural machine |
| CN200980107510.6A Expired - Fee Related CN101959733B (en) | 2008-03-05 | 2009-02-05 | Traveling agricultural machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980107510.6A Expired - Fee Related CN101959733B (en) | 2008-03-05 | 2009-02-05 | Traveling agricultural machine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5041539B2 (en) |
| KR (1) | KR101542440B1 (en) |
| CN (2) | CN103318179B (en) |
| WO (1) | WO2009110281A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035784A (en) * | 2016-02-04 | 2017-08-11 | Bcs股份公司 | The agricultural machinery of high security and low noise |
| CN107580576A (en) * | 2015-04-03 | 2018-01-12 | 凯斯纽荷兰(中国)管理有限公司 | High yarage for CVT tractors controls |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102498010B (en) * | 2009-09-17 | 2014-09-24 | 洋马株式会社 | Riding-type work machine |
| JP5373521B2 (en) * | 2009-09-17 | 2013-12-18 | ヤンマー株式会社 | Riding machine |
| CN105626278A (en) * | 2014-10-28 | 2016-06-01 | 广西大学 | High speed riding transplanter multi-target control, feedback type HMT variable speed operating system |
| KR102282516B1 (en) * | 2014-12-09 | 2021-07-28 | 주식회사 대동 | Driving control apparatus of agriculture vehicle |
| KR102359185B1 (en) * | 2017-09-22 | 2022-02-08 | 주식회사 대동 | Driving control device of agriculture vehicle |
| KR101956598B1 (en) * | 2018-02-05 | 2019-06-24 | 동양물산기업 주식회사 | Braking device for agricultural machine |
| KR102123801B1 (en) * | 2019-11-18 | 2020-06-22 | 동양물산기업 주식회사 | Electrical control units for agricultural machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0357731A (en) * | 1989-07-26 | 1991-03-13 | Kubota Corp | Speed change operation structure for vehicle |
| CN2380009Y (en) * | 1999-04-01 | 2000-05-31 | 陈东升 | Two-purpose grain harvester |
| CN2409755Y (en) * | 2000-03-03 | 2000-12-13 | 刘文平 | Tillage machine for fields and gardens |
| CN2718997Y (en) * | 2004-08-11 | 2005-08-24 | 梁陆 | Rice bowl seeding body magnetic transplanting machine |
| JP4766594B2 (en) * | 2005-09-07 | 2011-09-07 | ヤンマー株式会社 | Work vehicle |
-
2008
- 2008-03-05 JP JP2008055170A patent/JP5041539B2/en not_active Expired - Fee Related
-
2009
- 2009-02-05 WO PCT/JP2009/051983 patent/WO2009110281A1/en active Application Filing
- 2009-02-05 KR KR1020107018256A patent/KR101542440B1/en active IP Right Grant
- 2009-02-05 CN CN201310245709.3A patent/CN103318179B/en not_active Expired - Fee Related
- 2009-02-05 CN CN200980107510.6A patent/CN101959733B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107580576A (en) * | 2015-04-03 | 2018-01-12 | 凯斯纽荷兰(中国)管理有限公司 | High yarage for CVT tractors controls |
| CN107580576B (en) * | 2015-04-03 | 2020-02-07 | 凯斯纽荷兰(中国)管理有限公司 | High maneuverability control for CVT tractors |
| CN107035784A (en) * | 2016-02-04 | 2017-08-11 | Bcs股份公司 | The agricultural machinery of high security and low noise |
| CN107035784B (en) * | 2016-02-04 | 2020-03-10 | Bcs股份公司 | Agricultural machine with high safety and low noise |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101959733A (en) | 2011-01-26 |
| CN103318179B (en) | 2016-08-24 |
| KR20100125250A (en) | 2010-11-30 |
| JP2009209850A (en) | 2009-09-17 |
| KR101542440B1 (en) | 2015-08-06 |
| JP5041539B2 (en) | 2012-10-03 |
| WO2009110281A1 (en) | 2009-09-11 |
| CN101959733B (en) | 2014-05-14 |
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