CN106224527B - Tractor shifting mechanism of the self shifter in conjunction with manual shift - Google Patents

Tractor shifting mechanism of the self shifter in conjunction with manual shift Download PDF

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Publication number
CN106224527B
CN106224527B CN201610705671.7A CN201610705671A CN106224527B CN 106224527 B CN106224527 B CN 106224527B CN 201610705671 A CN201610705671 A CN 201610705671A CN 106224527 B CN106224527 B CN 106224527B
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China
Prior art keywords
shift
gear
hinged
end bearing
tractor
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CN201610705671.7A
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Chinese (zh)
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CN106224527A (en
Inventor
刘成良
陶建峰
唐小涛
李彦明
熊志林
张峰榕
王明斗
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CN201610705671.7A priority Critical patent/CN106224527B/en
Publication of CN106224527A publication Critical patent/CN106224527A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02Selector apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/2807Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted using electric control signals for shift actuators, e.g. electro-hydraulic control therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30Hydraulic or pneumatic motors or related fluid control means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/3023Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • F16H63/42Ratio indicator devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02Selector apparatus
    • F16H2059/0221Selector apparatus for selecting modes, i.e. input device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H2063/3079Shift rod assembly, e.g. supporting, assembly or manufacturing of shift rails or rods; Special details thereof

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Abstract

The present invention provides a kind of tractor shifting mechanism of self shifter in conjunction with manual shift, including gear shifting actuating mechanism, hydraulic system, electric-control system and operation panel;Wherein, the operating stick of the gear shifting actuating mechanism is arranged in the T-slot of the operation panel;The gear shifting actuating mechanism is for driving shift gear group to shift gears;The hydraulic system is used to control the movement of hydraulic cylinder in the gear shifting actuating mechanism, and then shifts gears in driving shift gear group;The electric-control system is used to record the gear information of shift gear group.The present invention can be realized self shifter and two kinds of shift modes of manual shift, and two kinds of shift modes are non-interference;The present invention can recorde multiple gear informations with a potentiometer, reduces number of sensors and facilitates debugging, and can be convenient for being reequiped on traditional tractor.

Description

Tractor shifting mechanism of the self shifter in conjunction with manual shift
Technical field
The present invention relates to intelligent agricultural machineries, and in particular, to a kind of tractor shift of self shifter in conjunction with manual shift Mechanism.
Background technique
With the intelligentized development of agricultural machinery, automatic plowing tractor has more and more important meaning for agricultural modernization Justice, and tractor shifting mechanism has decisive role for the realization for drawing machine automatic drive.
But tractor shifting mechanism is complicated, compact-sized, this just needs there are a set of simple schemes can be to dilatory The original manual shift mode of machine is reequiped.Simultaneously as not enough reliabilities of current automatic Pilot technology, Special occasion, this requires the gearshifts of tractor, and self shifter and manual shift two may be implemented there is still a need for manual operation Kind mode, and should be avoided interference between two kinds of shift modes.
The prior art is retrieved and is found, there is also very big blank in this technical field of self shifter for existing tractor.It is existing Self shifter is also only realized without retaining manual shift in rare tractor fluid drive operation, and is difficult to drag tradition Machine drawing is reequiped, as disclosed in patent No. CN 104696502A " manual transmission can be made to upgrade to intelligent automatic gear-box Control system ".
Summary of the invention
For the defects in the prior art, the dragging in conjunction with manual shift the object of the present invention is to provide a kind of self shifter Machine drawing gearshift.
Tractor shifting mechanism of the self shifter provided according to the present invention in conjunction with manual shift, including shift execution machine Structure, hydraulic system, electric-control system and operation panel;
Wherein, the operating stick of the gear shifting actuating mechanism is arranged in the T-slot of the operation panel;The shift executes Mechanism is for driving shift gear group to shift gears;
The hydraulic system is used to control the movement of hydraulic cylinder in the gear shifting actuating mechanism, and then in driving shift gear Group is shifted gears;
The electric-control system is used to record the gear information of shift gear group.
Preferably, the gear shifting actuating mechanism further includes variable speed operation arm, hydraulic cylinder, set square, distance rod and shift fork;
Wherein, the operating stick is hinged by the axis of sleeve and variable speed operation arm, so as to around variable speed operation arm Axis rotation, the one side of the cross connection frame are fixedly connected with one end of variable speed operation arm, on the other hand and on bracket The shaft of setting is hinged, and can rotate around the shaft, to realize two rotary freedoms of operating stick;
The first connecting hole that the other end of the variable speed operation arm passes through the hinged set square of hydraulic cylinder;The set square The second connecting hole and distance rod one end it is hinged, one end of the hinged shift fork of the other end of distance rod;
The third connecting hole and tractor frame of the set square are hinged.
Preferably, the electric-control system includes potentiometer and controller;
The controller is electrically connected potentiometer;The controller is for controlling the hydraulic system;
The potentiometric shaft is connect with shift fork, and the potentiometric pedestal is fixedly connected with tractor frame;
The potentiometric resistance value and the rotation angle of the shift fork correspond;The potentiometric resistance value is for recording All gear informations.
It preferably, further include the first rod end bearing, the second rod end bearing, third rod end bearing and the 4th rod end bearing;
One end of the hydraulic cylinder is hinged by the other end of the first rod end bearing and the variable speed operation arm, and the other end is logical The first connecting hole for crossing the second rod end bearing and the set square is hinged;The both ends of the hydraulic cylinder respectively with the first rod end axis It holds, the second rod end bearing screw thread is connected and passes through nut check;
One end of the distance rod is hinged by third rod end bearing and the second connecting hole of the set square, and the other end is logical Cross one end of the 4th hinged shift fork of rod end axis;The both ends of the distance rod respectively with third rod end bearing, the 4th rod end bearing spiral shell Line connects and passes through nut check.Preferably, when manual shift state, the hydraulic cylinder does not work, and is in lockup state, shelves Bit map is controlled by operating stick;
In self shifter, the elongation by controlling the hydraulic cylinder is shortened to carry out gear shift operation;The speed change behaviour Make arm, operating stick, cross connection frame to remain static.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the present invention can be realized two kinds of shift modes of self shifter and manual shift, and two kinds of shift modes are not done mutually It relates to;
2, the present invention can recorde multiple gear informations with a potentiometer, reduces number of sensors and facilitates debugging, And it can be convenient for being reequiped on traditional tractor;
3, the configuration of the present invention is simple, it is rationally distributed, it is easy to spread.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is that gearshift moves schematic diagram in the present invention;
Fig. 3 is gearshift Hydraulic System Principle schematic diagram in the present invention;
Fig. 4 is the gear schematic diagram of operation panel in the present invention;
Fig. 5 be the present invention in operating stick, variable speed operation arm, cross connection frame installation diagram.
In figure:
1 is operation panel;2 be operating stick;3 be cross connection frame;4 be variable speed operation arm;5 be bracket;6 be hydraulic cylinder;7 For set square;8 be distance rod;9 be shift fork;10 be potentiometer;11 be tractor gear gearbox;12 be tractor frame;13 For hydraulic control one-way valve;14 be solenoid directional control valve;15 be hydraulic pump;16 be fuel tank;1701 be the first rod end bearing;1702 be second Rod end bearing, 1703 be third rod end bearing;1704 be the 4th rod end bearing;18 be shaft;19 be nut.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention Protection scope.
In the present embodiment, tractor shifting mechanism of the self shifter provided by the invention in conjunction with manual shift, including Gear shifting actuating mechanism, hydraulic system, kinetic control system and operation panel 1;
Wherein, the operating stick 2 of the gear shifting actuating mechanism is arranged in the T-slot of the operation panel 1;The shift is held Row mechanism is for driving shift gear group to shift gears;
The hydraulic system is used to control the movement of hydraulic cylinder in the gear shifting actuating mechanism, and then in driving shift gear Group is shifted gears;
The electric-control system is used to record the gear information of shift gear group.
The gear shifting actuating mechanism further includes variable speed operation arm 4, hydraulic cylinder 6, set square 7, distance rod 8 and shift fork 9;
Wherein, the operating stick 2 is hinged by the axis of sleeve and variable speed operation arm 4, so as to around variable speed operation arm 4 Axis rotation;
And the one side of the cross connection frame 3 is fixedly connected with one end of variable speed operation arm 4, on the other hand and across branch The shaft 18 being arranged on frame 5 is hinged, and can rotate around the shaft;To realize two rotary freedoms of operating stick 2.
The first connecting hole that the other end of the variable speed operation arm 4 passes through the hinged set square 7 of hydraulic cylinder 6;Described three One end of the second connecting hole and distance rod 8 of gusset 7 is hinged, one end of the hinged shift fork of the other end of distance rod 8;
The third connecting hole and tractor frame 12 of the set square 7 are hinged.
The electric-control system includes potentiometer 10 and controller;
The controller is electrically connected potentiometer 10;The controller is for controlling the hydraulic system;
The shaft of the potentiometer 10 is connect with shift fork 9, and the pedestal of the potentiometer 10 and tractor chassis (12) are fixed Connection;
The resistance value of the potentiometer 10 and the rotation angle of the shift fork 9 correspond;The resistance value of the potentiometer 10 is used In recording all gear informations.
Tractor shifting mechanism of the self shifter provided by the invention in conjunction with manual shift further includes the first rod end bearing 1701, the second rod end bearing 1702, third rod end bearing 1703 and the 4th rod end bearing 1704;
One end of the hydraulic cylinder 6 is hinged by the other end of the first rod end bearing 1701 and the variable speed operation arm 4, separately One end is hinged by the first connecting hole of the second rod end bearing 1702 and the set square 7;The both ends of the hydraulic cylinder 6 respectively with First rod end bearing 1701,1702 screw thread of the second rod end bearing are connected and pass through nut check;
One end of the distance rod 8 is hinged by third rod end bearing 1703 and the second connecting hole of the set square 7, separately One end passes through one end of the hinged shift fork 9 of the 4th rod end bearing 1704;The both ends of the distance rod 8 respectively with third rod end bearing 1703, the 4th rod end bearing 1704 is threadedly coupled and passes through nut check.
When manual shift state, the hydraulic cylinder 6 does not work, and is in lockup state, and transforming gear is controlled by operating stick 2 System;
In self shifter, the elongation by controlling the hydraulic cylinder 6 is shortened to carry out gear shift operation;The speed change behaviour Make arm 4 to remain static.When manual shift, operating stick moves forward and backward in T-slot, and when fluid drive, operating stick is stuck in behaviour Make in panel left and right directions slot.
When manual shift, the hydraulic control one-way valve at hydraulic cylinder both ends makes hydraulic cylinder be in lockup state;When self shifter, operation Bar is in lockup state, sends signal control hydraulic cylinder 6 to solenoid directional control valve 14 by controller and stretches, by the original liquid of tractor Pressure system gives the hydraulic oil supply cylinder.
When self shifter, operating stick 2 is blocked in 1 left and right directions slot of operation panel.At this point, hydraulic cylinder 6 is used as shift machine The power source of structure can be rotated with shift fork 9, to reach shift purpose.The potentiometer when 6 resistance value of potentiometer and manual shift When 6 resistance value is identical, illustrate that shift fork 9 has rotated to correct position, i.e. shift is completed.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring substantive content of the invention.

Claims (4)

1. a kind of tractor shifting mechanism of self shifter in conjunction with manual shift, which is characterized in that including gear shifting actuating mechanism, Hydraulic system, electric-control system and operation panel (1);
Wherein, the operating stick (2) of the gear shifting actuating mechanism is arranged in the T-slot of the operation panel (1);The shift is held Row mechanism is for driving shift gear group to shift gears;
The hydraulic system is used to control the movement of hydraulic cylinder in the gear shifting actuating mechanism, so in driving shift gear group into Row shift;
The electric-control system is used to record the gear information of shift gear group;
Tractor shifting mechanism of the self shifter in conjunction with manual shift further includes cross connection frame (3);The shift execution machine Structure further includes variable speed operation arm (4), hydraulic cylinder (6), set square (7), distance rod (8) and shift fork (9);
Wherein, the operating stick (2) is hinged by the axis of sleeve and variable speed operation arm (4), so as to around variable speed operation arm (4) axis rotation, the one side of the cross connection frame (3) is fixedly connected with one end of variable speed operation arm (4), on the other hand with The shaft (18) being arranged on bracket (5) hingedly, and can be rotated around the shaft, to realize two of operating stick (2) Rotary freedom;
The first connecting hole that the other end of the variable speed operation arm (4) passes through hydraulic cylinder (6) the hinged set square (7);It is described Second connecting hole of set square (7) and one end of distance rod (8) are hinged, one end of the hinged shift fork of the other end of distance rod (8);
The third connecting hole of the set square (7) and tractor frame (12) are hinged.
2. tractor shifting mechanism of the self shifter according to claim 1 in conjunction with manual shift, which is characterized in that institute Stating electric-control system includes potentiometer (10) and controller;
The controller is electrically connected potentiometer (10);The controller is for controlling the hydraulic system;
The shaft of the potentiometer (10) is connect with shift fork (9), and the pedestal of the potentiometer (10) and tractor frame (12) are solid Fixed connection;
The resistance value of the potentiometer (10) and the rotation angle of the shift fork (9) correspond;The resistance value of the potentiometer (10) For recording all gear informations.
3. tractor shifting mechanism of the self shifter according to claim 1 in conjunction with manual shift, which is characterized in that also Including the first rod end bearing (1701), the second rod end bearing (1702), third rod end bearing (1703) and the 4th rod end bearing (1704);
One end of the hydraulic cylinder (6) is hinged by the first rod end bearing (1701) and the other end of the variable speed operation arm (4), The other end is hinged by the second rod end bearing (1702) and the first connecting hole of the set square (7);The two of the hydraulic cylinder (6) End is connected with the first rod end bearing (1701), the second rod end bearing (1702) screw thread respectively and passes through nut check;
One end of the distance rod (8) is hinged by third rod end bearing (1703) and the second connecting hole of the set square (7), One end that the other end passes through the hinged shift fork (9) of the 4th rod end bearing (1704);The both ends of the distance rod (8) respectively with third bar End bearing (1703), the 4th rod end bearing (1704) are threadedly coupled and pass through nut check.
4. tractor shifting mechanism of the self shifter according to claim 1 in conjunction with manual shift, which is characterized in that when When manual shift state, the hydraulic cylinder (6) does not work, and is in lockup state, and transforming gear is controlled by operating stick (2);
In self shifter, the elongation by controlling the hydraulic cylinder (6) is shortened to carry out gear shift operation;The variable speed operation Arm (4), operating stick (2), cross connection frame (3) remain static.
CN201610705671.7A 2016-08-22 2016-08-22 Tractor shifting mechanism of the self shifter in conjunction with manual shift Active CN106224527B (en)

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Application Number Priority Date Filing Date Title
CN201610705671.7A CN106224527B (en) 2016-08-22 2016-08-22 Tractor shifting mechanism of the self shifter in conjunction with manual shift

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Application Number Priority Date Filing Date Title
CN201610705671.7A CN106224527B (en) 2016-08-22 2016-08-22 Tractor shifting mechanism of the self shifter in conjunction with manual shift

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CN106224527B true CN106224527B (en) 2019-01-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106717369B (en) * 2017-01-10 2023-09-05 安徽农业大学 Automatic gear shifting device of main gear shifting handle of unmanned rice transplanter and control method of automatic gear shifting device
CN115076354B (en) * 2022-06-07 2024-02-02 宁波北野拖拉机制造有限公司 Tractor side operation gearshift

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2241648Y (en) * 1995-10-27 1996-12-04 欧阳抗美 Electronic automatic speed-changing actuator for automobile
CN1196306A (en) * 1998-04-10 1998-10-21 许志刚 Automatic gearshift for vehicle
JP2003139231A (en) * 2001-10-31 2003-05-14 Aisin Aw Co Ltd Shift detection device for automatic transmission
CN101363539A (en) * 2007-08-10 2009-02-11 Gm全球科技运作股份有限公司 External shifting unit for a gearbox and application thereof
CN201866218U (en) * 2010-10-26 2011-06-15 唐超 Manual-automatic integral shifting mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2241648Y (en) * 1995-10-27 1996-12-04 欧阳抗美 Electronic automatic speed-changing actuator for automobile
CN1196306A (en) * 1998-04-10 1998-10-21 许志刚 Automatic gearshift for vehicle
JP2003139231A (en) * 2001-10-31 2003-05-14 Aisin Aw Co Ltd Shift detection device for automatic transmission
CN101363539A (en) * 2007-08-10 2009-02-11 Gm全球科技运作股份有限公司 External shifting unit for a gearbox and application thereof
CN201866218U (en) * 2010-10-26 2011-06-15 唐超 Manual-automatic integral shifting mechanism

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