CN106907475A - Automatically controlled selector and automatically controlled shifting control system - Google Patents
Automatically controlled selector and automatically controlled shifting control system Download PDFInfo
- Publication number
- CN106907475A CN106907475A CN201510980593.7A CN201510980593A CN106907475A CN 106907475 A CN106907475 A CN 106907475A CN 201510980593 A CN201510980593 A CN 201510980593A CN 106907475 A CN106907475 A CN 106907475A
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- Prior art keywords
- automatically controlled
- selector
- speed changer
- drive mechanism
- output part
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Classifications
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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
- F16H59/041—Ratio selector apparatus consisting of a final output mechanism, e.g. ratio selector being directly linked to a shiftfork
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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
- F16H59/042—Ratio selector apparatus comprising a final actuating mechanism
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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
- F16H61/24—Providing feel, e.g. to enable selection
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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
- F16H61/24—Providing feel, e.g. to enable selection
- F16H2061/248—Providing feel, e.g. to enable selection with audible signals for providing selection or shift feed back
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention relates to a kind of automatically controlled selector and the automatically controlled shifting control system including the automatically controlled selector.The automatically controlled selector includes the first movement output part being drivingly connected with the first selector fork of speed changer by the first gearshift control bracing wire, the second movement output part, the first drive mechanism for driving the first movement output part, the second drive mechanism for driving the second movement output part and the control board for controlling the first drive mechanism and the operating of the second drive mechanism for controlling bracing wire to be drivingly connected with the second selector fork of speed changer of being shifted gears by second.Automatically controlled selector of the invention has greatly facilitated the installation of automatically controlled selector, saves its installing space in driver's cabin.In addition it is possible to improve gearshift efficiency, and misuse rate when lowering gearshift.
Description
Technical field
The present invention relates to a kind of automatic gear shift apparatus, relate more specifically to a kind of automatically controlled selector of the self shifter for realizing speed changer.In addition, further relating to a kind of automatically controlled shifting control system including this gearshift controller.
Background technology
Background of related of the invention is illustrated below, but these explanations might not constitute prior art of the invention.
Since reform and opening-up, with the implementation of country's lifting agriculture mechanization level and quickening rural infrastructure policy, the agricultural machinery industry of China is significantly developed, and forms complete farm-machinery industry system.The fast development of agricultural machinery and its application in rural area accelerate China's rural and agricultural structure of labour force's innovation, and these all promote the development of China's new countryside construction and rural economy.
With the raising of China's industrial automation level, user it is also proposed new requirement to the automaticity of agricultural machinery.In the agricultural machinery of prior art, particularly farm tractor, driver comfort and automaticity have become agricultural machinery user key factor to be considered when agricultural machinery is bought.For farm tractor of the prior art, in order to improve the transmission efficiency of engine, generally using manual transmission, the gear shift operation of speed changer is typically shifted gears using hand driving lever the most original.Hand driving lever gearshift not only operates laborious, inconvenience, and gear shifting signal to be difficult to gather, and this is unfavorable for automatically controlling gearshift, and obstacle is brought to follow-up full-automatic gearshift and intelligent gearshift.
In addition, due to shift lever of the prior art, stroke is inconvenient to adjust when mounted, the regulation of each gear stroke occurs interventional operations inconvenience, gearshift is laborious, the probability that maloperation occurs is larger, and shift lever installs inconvenient, it is necessary to special mounting bracket, and the space taken in driver's cabin is larger.Therefore, the shifting system for being particularly used for agricultural machinery of the prior art causes the operation comfort of agricultural machinery to greatly reduce, it is impossible to meet agricultural machinery operating personnel or user related needs in this respect.
Therefore, a kind of comfortableness that can improve agricultural machinery is needed in the prior art and can reduce the gearshift controller in space occupied by gearshift controller and the shifting control system of correlation, allow the operator to realize the gear shift operation of the agricultural machinery such as tractor in the way of as snug as a bug in a rug in very easily position.
The content of the invention
The problems such as operating the arrangement of inconvenience, operation comfort difference and gear shift operation bar in driver's cabin unreasonable for the shifting system in farm tractor present in prior art, the present invention proposes a kind of selector and corresponding shifting control system that can be greatly reduced operating portion taking up space in driver's cabin and can greatly improve gear shift operation convenience and comfortableness.
The present invention provides a kind of automatically controlled selector for speed changer, and the automatically controlled selector includes passing through the first movement output part that the first gearshift control bracing wire is drivingly connected with the first selector fork of speed changer, the second movement output part, the first drive mechanism for the first movement output part of driving, the second drive mechanism for driving the second movement output part and the control board for controlling the first drive mechanism and the second drive mechanism to operate that control bracing wire to be drivingly connected with the second selector fork of speed changer by the second gearshift.
Automatically controlled selector for speed changer of the invention can be driven to shift gears by the movement output part activated by drive mechanism and control bracing wire, and gearshift control bracing wire can then be drivingly coupled to the selector fork of speed changer.The precise control to the shift transformation of speed changer is realized by two selector forks.Due to being controlled to speed changer by control bracing wire of shifting gears, therefore automatically controlled selector can be arranged at speed changer remote position, and this does not interfere with the operating efficiency of speed changer yet, therefore, greatly facilitate the installation of automatically controlled selector.In addition, by automatically controlled selector gearshift efficiency can be improved, and misuse rate when lowering gearshift.
One preferred embodiment of the automatically controlled selector for speed changer of the invention, first drive mechanism and the second drive mechanism include stepper motor and the deceleration device drivingly coupled with stepper motor, stepper motor is communicatively connected to control board, and deceleration device drivingly couples with the first movement output part and the second movement output part.
In another preferred embodiment for the automatically controlled selector of speed changer of the invention, deceleration device includes mechanical reduction gear.
Another preferred embodiment of automatically controlled selector for speed changer of the invention, the afterbody transmission of mechanical reduction gear includes tooth bar, and tooth bar is connected to the first movement output part and the second movement output part with being relatively fixed.
In an also preferred embodiment of the automatically controlled selector for speed changer of the invention, first drive mechanism and the second drive mechanism include hydraulic drive mechanism, it is the hydraulic drive mechanism hydraulic motor for providing working fluid, the hydraulic cylinder connected with hydraulic motor fluid by fluid circuit and the hydraulic valve being arranged on the fluid passage between hydraulic motor and hydraulic cylinder that hydraulic drive mechanism includes, hydraulic valve is by control board control.
In another preferred embodiment for the automatically controlled selector of speed changer of the invention, the automatically controlled selector also includes the housing of all parts for housing automatically controlled selector.Each parts of automatically controlled selector can be accommodated wherein by housing, so that for automatically controlled selector provides good protection, and for its all parts provides installation foundation.
Automatically controlled selector for speed changer of the invention can be used in agricultural machinery, and this will substantially improve the driving facility and comfortableness of agricultural machinery, and installation convenience of the gearshift controller in the driver's cabin of agricultural machinery can also be improved in addition.
The present invention also provides a kind of automatically controlled shifting control system for speed changer, the automatically controlled shifting control system includes the control panel for being input into gear information and display current shift information, the controller being communicatedly connected with control panel, the automatically controlled selector being communicatedly connected with controller, bracing wire is controlled for automatically controlled selector to be attached to the first gearshift control bracing wire of the first selector fork of speed changer and the second gearshift for automatically controlled selector to be attached to the second selector fork of speed changer, herein, the automatically controlled selector is any one in automatically controlled selector as described above of the invention.
One preferred embodiment of the automatically controlled shifting control system for speed changer of the invention, the automatically controlled shifting control system also includes the gear feedback device being arranged between speed changer and controller.The current shift information of speed changer is acquired by gear feedback device, and vehicle operator is shown to by control panel.
Further, the automatically controlled shifting control system for being used for speed changer as described above of the invention can be used in agricultural machinery.The control panel of shifting control system of the invention can be integrated in human pilot in driver's cabin and be easy on the console observing and operate, therefore to the simple to operate laborsaving of gearshift controller, maloperation can be effectively prevented, and greatlys save the occupied space in driver's cabin of selector.
Brief description of the drawings
By the specific embodiment part of offer referring to the drawings, the features and advantages of the present invention will become better understood by, in the accompanying drawings：
Fig. 1 is the block selecting control schematic diagram of speed changer.
Fig. 2 is the top view of the first embodiment of the automatically controlled selector for speed changer of the invention.
Fig. 3 is the front view of the first embodiment of the automatically controlled selector for speed changer of the invention.
Fig. 4 is the schematic diagram of the first embodiment of the automatically controlled shifting control system for speed changer of the invention.
Fig. 5 is the top view of the second embodiment of the automatically controlled selector for speed changer of the invention.
Fig. 6 is the front view of the second embodiment of the automatically controlled selector for speed changer of the invention.
Fig. 7 is the schematic diagram of the second embodiment of the automatically controlled shifting control system for speed changer of the invention.
Specific embodiment
Illustrative embodiments of the invention are described in detail with reference to the accompanying drawings.To the description of illustrative embodiments merely for the sake of demonstration purpose, and it is definitely not to the present invention and its application or the limitation of usage.
The present invention proposes a kind of automatically controlled selector for speed changer, and the speed changer can realize the selection and conversion of gear by two gearshift control bracing wires.As shown in figure 1, showing the block selecting control figure of speed changer.The gear positions of speed changer are demarcated with -1,0,1 three numerals, wherein " -1 " controls bracing wire length " short " corresponding to the gearshift in Fig. 1, " 0 " corresponding in Fig. 1 gearshift control bracing wire length " in ", " 1 " controls bracing wire length " length " corresponding to the gearshift in Fig. 1.As shown in figure 1, wherein, neutral coordinate is (0,0), a gear coordinate is (- 1,1), two gear coordinates are (- 1, -1), and three gear coordinates are (0,1), four gear coordinates are (0, -1), five gear coordinates are (1,1), six gear coordinates are (1, -1).During gearshift, bracing wire 12 is controlled to control the coordinate position of the y-axis of gear by the first gearshift, and control bracing wire 14 to control the coordinate position of the x-axis of gear by the second gearshift.
During using manual gearshift, shift process can be divided into three steps：The first step, by y value zero setting, will shift lever dial to y=0, then judge the x values of the gear that needs are transformed to, move along the x-axis shift lever, when the x-axis gear positions required for arrival, shift lever is set to move along the y-axis direction again, until reaching required target gear.Above shift process can also control bracing wire 12 and second to shift gears control bracing wire 14 to realize by the first gearshift.Control bracing wire 12 to control gear position along the y-axis direction by the first gearshift, and control bracing wire 14 to control gear position along the x-axis direction by the second gearshift, so as to realize the selection and conversion of gear.
As shown in figs. 4 and 7, Fig. 4 shows the schematic diagram of the automatically controlled shifting control system 200 of first embodiment of the invention, it includes the automatically controlled selector 20 of first embodiment of the invention, Fig. 7 shows the schematic diagram of automatically controlled shifting control system 400 according to the second embodiment of the present invention, and it includes automatically controlled selector 40 according to the second embodiment of the present invention.Automatically controlled selector of the invention is the motion for controlling the first gearshift control gearshift control bracing wire 14 of bracing wire 12 and second, so as to realize the gear shift operation to speed changer 1.Automatically controlled selector of the invention includes the first movement output part and the second movement output part that are drivingly connected with the first gearshift control gearshift control bracing wire 14 of bracing wire 12 and second of speed changer 1 respectively, first movement output part and the second movement output part do linear reciprocating motion relative to the housing of automatically controlled selector, so as to drive the first gearshift control gearshift control bracing wire 14 of bracing wire 12 and second to do linear movement respectively.Then, control bracing wire 12 and second to shift gears by the first gearshift to control first selector fork 2 and the second selector fork 3 of the difference operation transmission 1 of bracing wire 14, realize the gear shift operation of speed changer 1.
Further, automatically controlled selector of the invention also includes the first drive mechanism for driving the first movement output part and the second drive mechanism for driving the second movement output part.In first embodiment of the invention as shown in Figure 2, Figure 3 and Figure 4, first drive mechanism of automatically controlled selector 20 of the invention can include the control board 26 of the operating of deceleration device 24 and control stepper motor 22 that stepper motor 22 drivingly couples with stepper motor 22, the power output of deceleration device 24 is drivingly attached to the first movement output part, and drives the first movement output part to do linear reciprocating motion.Control board 26 can be used for receiving the signal input from operating personnel, and the electric signal of motion state for controlling stepper motor 22 is produced by signal transacting.Similarly, second drive mechanism of automatically controlled selector 20 of the invention can have and the first drive mechanism identical structure and composition part, that is the second drive mechanism includes the control board 26 of the operating of deceleration device 24 and control stepper motor 22 that stepper motor 22 drivingly couples with stepper motor 22, the power output of deceleration device 24 is drivingly attached to the second movement output part, and drives the second movement output part to do linear reciprocating motion.Automatically controlled selector 20 of the invention also includes the housing of all parts for housing automatically controlled selector 20, the housing can be by the encapsulation of each parts of automatically controlled selector 20 wherein, so as to provide security protection for each parts, and for each parts provides installation foundation.
Here, deceleration device 24 can use mechanical reduction gear or worm and gear speed-reduction apparatus.Herein, when deceleration device 24 is using mechanical reduction gear, it can include being drivingly coupled to the little gear of stepper motor 22 and be drivingly coupled to the gear wheel of the first movement output part or the second movement output part, be slowed down come the output to stepper motor 22 by little gear drive gear wheel.Certainly, in order to further increase speed reducing ratio, it would however also be possible to employ multi-stage speed-reducing is driven, such as the type of belt drive that can be combined using multigroup little gear and gear wheel.When using mechanical reduction gear, the afterbody transmission of mechanical reduction gear can use tooth bar 27, and the rotary motion of gear is converted into linear motion by tooth bar 27.Certainly, the deceleration device 24 can also use worm and gear speed-reduction apparatus, the output of stepper motor 22 can be now connected directly to the turbine portion of worm and gear speed-reduction apparatus, and worm section is connected to the first movement output part or the second movement output part, thus drives the first gearshift control gearshift control bracing wire 14 of bracing wire 12 and second to move along a straight line.In automatically controlled selector of the invention, the first movement output part or the second movement output part can be the expansion links being permanently connected with the tooth bar 27 of mechanical reduction gear or the worm section of worm and gear speed-reduction apparatus.When tooth bar 27 does linear reciprocating motion under the driving of mechanical reduction gear, the expansion link being set together with being relatively fixed with tooth bar 27 does linear reciprocating motion with tooth bar 27, so as to drive the first gearshift to control the gearshift control bracing wire 14 of bracing wire 12 or second to do linear reciprocating motion.Similarly, when worm screw is cooked linear reciprocating motion under the driving of worm and gear speed-reduction apparatus, the expansion link being set together with being relatively fixed with worm screw does linear reciprocating motion with worm screw, thus drive the first gearshift control gearshift control bracing wire 14 of bracing wire 12 or second to do linear reciprocating motion, and be achieved in the gear shift operation to speed changer 1.
Further, in the second embodiment as shown in Fig. 5, Fig. 6 and Fig. 7, first drive mechanism of automatically controlled selector 40 of the invention can include hydraulic drive mechanism, and the hydraulic drive mechanism includes the hydraulic motor (not shown) for providing working fluid for it, the hydraulic cylinder 42 connected with hydraulic motor fluid by fluid circuit 41, the hydraulic valve 44 on the fluid passage being arranged between hydraulic motor and hydraulic cylinder 42 and the control board 46 for controlling the operation of hydraulic valve 44.The hydraulic valve 44 can be used for controlling the connected state between hydraulic motor and hydraulic cylinder 42, so as to control the reciprocating motion of the movable part of hydraulic cylinder 42.The reciprocating movable part of hydraulic cylinder 42 can be used for connecting and drive the first movement output part or the second movement output part, thus drive gearshift control bracing wire to carry out gearshift control to speed changer 1.Control board 46 can be used for receiving the signal input from operating personnel, and the electric signal of mode of operation for controlling hydraulic valve 44 is produced by signal transacting.The valve element of hydraulic valve 44 can also be controlled by magnetic valve, so that hydraulic valve 44 is in different connection status.Or, it is also possible to the connected state between hydraulic motor and hydraulic cylinder 42 is directly controlled by magnetic valve.Automatically controlled selector 40 of the invention equally also includes the housing of all parts for housing automatically controlled selector 40, the housing can be by the encapsulation of each parts of automatically controlled selector 40 wherein, so as to provide security protection for each parts, and for each parts provides installation foundation.
In automatically controlled selector as described above of the invention, the first movement output part or the second movement output part can be the reciprocating movable part of hydraulic cylinder 42, or can also be connected to movable part expansion links with being relatively fixed.When movable part or when being connected to the expansion link of movable part and doing linear reciprocating motion under the driving of hydraulic motor and hydraulic valve 44, the movable part of hydraulic cylinder 42 is connected to the expansion link of the movable part and drives the first gearshift control gearshift control bracing wire 14 of bracing wire 12 or second to do linear reciprocating motion, and is achieved in the gear shift operation to speed changer 1.
As shown in figure 4, showing the schematic diagram of the automatically controlled shifting control system 200 of first embodiment of the invention.Automatically controlled shifting control system 200 of the invention is included for being input into automatically controlled selector 20 that the control panel 220 and the controller 240 that communicatedly connects of control panel 220 and controller 240 of gear information and display current shift information communicatedly connect, the first gearshift control bracing wire 12 of the first selector fork 2 for automatically controlled selector 20 to be attached to speed changer 1 and the second gearshift control bracing wire 14 for automatically controlled selector 20 to be attached to the second selector fork 3 of speed changer 1.Here, the automatically controlled selector 20 is according to the first automatically controlled selector, the i.e. automatically controlled selector 20 with stepper motor 22 as driver part as described above of the invention.Controller 240 is used to receive the signal input from control panel 220, operating personnel can be input into the gear for needing gearshift by control panel 220, and by the gear information transmission to controller 240, the gear information that controller 240 pairs is received is analyzed and processes, and converts thereof into the electric signal for driving automatically controlled selector 20.Controller 240 can send corresponding control instruction according to the coordinate difference of current shift and target gear, the control board 26 of automatically controlled selector 20 receives the control instruction from controller 240, and control instruction is converted into pulse signal, the control rotation respective angles of stepper motor 22, and then control gearshift to control the stroke of bracing wire, realize the switching of different gears.
Automatically controlled selector 20 after the input signals are received, is processed signal by control board 26, then transmits signals to stepper motor 22, thus controls the operating of stepper motor 22.When automatically controlled selector 20 of the invention includes two sets of drive mechanisms independent of each other, i.e. automatically controlled selector 20 includes two stepper motors 22 of independent operation, control board 26 controls the action of the first stepper motor 22 and the second stepper motor 22 according to its received signal respectively, the first movement output part and the second movement output part that respective deceleration device 24 activates automatically controlled selector 20 respectively are further advanced by, thus drive the first gearshift control gearshift control bracing wire 14 of bracing wire 12 and second to act.The action of the first gearshift control gearshift control bracing wire 14 of bracing wire 12 and second then controls the speed changer 1 to carry out gear shift operation by the first selector fork 2 of speed changer 1 and the second selector fork 3.By the control to the first selector fork 2 and the second selector fork 3, the precise control to shift transformation is realized.The automatically controlled selector 20 of first embodiment of the invention can have independent power supply, such as the battery that it can be connected to vehicle by power line 28.In addition, the automatically controlled shifting control system 200 of first embodiment of the invention also includes the gear feedback device 260 being arranged between speed changer 1 and controller 240, the gear feedback device 260 carries out signal acquisition to the gear information of speed changer 1, and the information that will be gathered is processed, controller 240 is then passed to, by the way that controller 240 is by the gear information transmission of speed changer 1 to control panel 220 and is shown to operating personnel.Certainly, single stepper motor 22 can also be set in automatically controlled selector 20 of the invention, transfer device is set between the movement output part of single stepper motor 22 and first and the second movement output part, by transfer device single stepper motor 22 can be made to be driven to the first movement output part and the second movement output part respectively.
As shown in fig. 7, showing the schematic diagram of automatically controlled shifting control system 400 according to the second embodiment of the present invention.Automatically controlled shifting control system 400 of the invention includes controlling bracing wire 14 for being input into automatically controlled selector 40, the first gearshift control bracing wire 12 of the first selector fork 1 for automatically controlled selector 40 to be attached to speed changer 1 and the second gearshift for automatically controlled selector 40 to be attached to the second selector fork 2 of speed changer 1 that the control panel 420 and the controller 440 that communicatedly connects of control panel 420 and controller 440 of gear information and display current shift information are communicatedly connected.Here, the automatically controlled selector 40 is according to second automatically controlled selector as described above of the invention, i.e., the automatically controlled selector 40 with hydraulic drive mechanism as driver part.Controller 440 is used to receive the signal input from control panel 420, operating personnel can be input into the gear for needing gearshift by control panel 420, and by the gear information transmission to controller 440, the gear information that controller 440 pairs is received is analyzed and processes, and converts thereof into the electric signal for driving automatically controlled selector 40.
Automatically controlled selector 40 after the input signals are received, is processed signal by control board 46, then transmits signals to hydraulic drive mechanism, thus controls the action of hydraulic drive mechanism.Control board 46 controls hydraulic drive mechanism action according to its received signal, two sets of independent hydraulic drive mechanisms can be such as set in automatically controlled selector 40 of the invention, every suit hydraulic drive mechanism drives the first movement output part and the second movement output part of automatically controlled selector 40 respectively, thus drives the first gearshift control gearshift control bracing wire 14 of bracing wire 12 and second to act.The action of the first gearshift control gearshift control bracing wire 14 of bracing wire 12 and second then controls the speed changer 1 to carry out gear shift operation by the first selector fork 2 of speed changer 1 and the second selector fork 3.By the control to the first selector fork 2 and the second selector fork 3, the precise control to shift transformation is realized.In addition, single hydraulic motor and two hydraulic cylinders 42 can also be set in automatically controlled selector 40 of the invention, and the output end and two break-makes of the hydraulic cavities of hydraulic cylinder 42 of hydraulic motor are controlled by providing hydraulic valve 44, so as to complete single hydraulic motor to two driving operations of hydraulic cylinder 42, each in two hydraulic cylinders 42 is driven to the first movement output part and the second movement output part respectively, so as to drive the first gearshift to control the gearshift control bracing wire 14 of bracing wire 12 and second to act.Further, automatically controlled shifting control system 400 according to the second embodiment of the present invention also includes the gear feedback device 460 being arranged between speed changer 1 and controller 440, the gear feedback device 460 carries out signal acquisition to the gear information of speed changer 1, and the information that will be gathered is processed, controller 440 is then passed to, by the way that controller 440 is by the gear information transmission of speed changer 1 to control panel 420 and is shown to operating personnel.
Automatically controlled selector of the invention and the automatically controlled shifting control system including this automatically controlled selector use relative program to control drive mechanism operating to realize automatically controlled gearshift, the internal structure of speed changer need not be analyzed, for the stay-supported manual transmission using gearshift control bracing wire, the stroke of gear-shifting bracing wire need to only be measured, can in the controller by programming positioning, so as to realize automatically controlled gearshift.Further, automatically controlled selector of the invention and corresponding automatically controlled shifting control system are outlet structures, can independently installed any position in vehicle, only control panel need to be made to be connected with controller by bus, be very easy to the layout of vehicle related components.
Gearshift controller of the invention due to using controller send instruction by the way of control stepper motor rotational angle or hydraulic cylinder action, and then the method for controlling shift transformation, therefore easily realize the regulation of shift speed, the implementation of modification and the self shifter of gearshift rule.In addition, the control panel of shifting control system of the invention can be integrated in human pilot in driver's cabin and be easy on the console observing and operate, therefore to the simple to operate laborsaving of gearshift controller, maloperation can be effectively prevented, and greatlys save the occupied space in driver's cabin of selector.
Although with reference to illustrative embodiments, invention has been described, it is to be understood that, the invention is not limited in the specific embodiment for being described in detail in text and show, in the case of without departing from claims limited range, those skilled in the art can make various improvement or modification to the illustrative embodiments.
Claims (10)
1. a kind of automatically controlled selector for speed changer, it is characterised in that the automatically controlled selector includes：
The first movement output part being drivingly connected with the first selector fork of the speed changer by the first gearshift control bracing wire；
The second movement output part being drivingly connected with the second selector fork of the speed changer by the second gearshift control bracing wire；
The first drive mechanism for driving the first movement output part；
The second drive mechanism for driving the second movement output part；And
Control board for controlling first drive mechanism and second drive mechanism operating.
2. the automatically controlled selector for speed changer according to claim 1, wherein, first drive mechanism and second drive mechanism include：
Stepper motor, the stepper motor is communicatively connected to the control board；
The deceleration device drivingly coupled with the stepper motor, the deceleration device drivingly couples with the first movement output part and the second movement output part.
3. the automatically controlled selector for speed changer according to claim 2, wherein, the deceleration device includes mechanical reduction gear.
4. the automatically controlled selector for speed changer according to claim 3, wherein, the afterbody transmission of the mechanical reduction gear includes tooth bar, and the tooth bar is connected to the first movement output part and the second movement output part with being relatively fixed.
5. the automatically controlled selector for speed changer according to claim 1, wherein, first drive mechanism and second drive mechanism include hydraulic drive mechanism, and the hydraulic drive mechanism includes：
The hydraulic motor of working fluid is provided for the hydraulic drive mechanism；
The hydraulic cylinder connected with the hydraulic motor fluid by fluid circuit；
And the hydraulic valve on the fluid passage between the hydraulic motor and the hydraulic cylinder is arranged on, the hydraulic valve is controlled by the control board.
6. according to the automatically controlled selector for speed changer that any one of claim 1-5 is described, also including the housing of all parts for housing the automatically controlled selector.
7. according to the automatically controlled selector for speed changer that any one of claim 1-6 is described, wherein, the automatically controlled selector is used in agricultural machinery.
8. a kind of automatically controlled shifting control system for speed changer, it is characterised in that the automatically controlled shifting control system includes：
Control panel for being input into gear information and display current shift information；
The controller being communicatedly connected with the control panel；
The automatically controlled selector being communicatedly connected with the controller；
The first gearshift control bracing wire for the automatically controlled selector to be attached to the first selector fork of the speed changer；And
The second gearshift control bracing wire for the automatically controlled selector to be attached to the second selector fork of the speed changer,
Wherein, the automatically controlled selector is according to any one of claim 1-6 described automatically controlled selector.
9. the automatically controlled shifting control system of speed changer, also the gear feedback device including being arranged between the speed changer and the controller are used for according to claim 8.
10. the automatically controlled shifting control system for speed changer according to claim 8 or claim 9, wherein, the automatically controlled shifting control system is used in agricultural machinery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980593.7A CN106907475A (en) | 2015-12-22 | 2015-12-22 | Automatically controlled selector and automatically controlled shifting control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980593.7A CN106907475A (en) | 2015-12-22 | 2015-12-22 | Automatically controlled selector and automatically controlled shifting control system |
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| CN106907475A true CN106907475A (en) | 2017-06-30 |
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| CN201510980593.7A Pending CN106907475A (en) | 2015-12-22 | 2015-12-22 | Automatically controlled selector and automatically controlled shifting control system |
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| CN204878684U (en) * | 2015-08-04 | 2015-12-16 | 中国第一汽车股份有限公司 | Shifter suitable for 6 shelves gearbox |
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