CN109084018A - Shift valve rod position control and engineering machinery vehicle - Google Patents
Shift valve rod position control and engineering machinery vehicle Download PDFInfo
- Publication number
- CN109084018A CN109084018A CN201811128287.0A CN201811128287A CN109084018A CN 109084018 A CN109084018 A CN 109084018A CN 201811128287 A CN201811128287 A CN 201811128287A CN 109084018 A CN109084018 A CN 109084018A
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- CN
- China
- Prior art keywords
- valve rod
- signal
- linear
- gear
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation 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
- F16H61/32—Electric motors actuators or related electrical control means therefor
-
- 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
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
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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
-
- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation 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
- F16H61/32—Electric motors actuators or related electrical control means therefor
- F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention relates to Hydrodynamic transmission gearshifts, to solve the problems, such as that existing machinery-hydraulic gear-shifting manipulation resistance is big, handling comfort is poor；A kind of shift valve rod position control is provided, including fluid power gear shift valve, valve rod driving device, the linear displacement transducer for detecting stem position, gear lever handle for gear change operation, valve rod driving device includes the motor drive controller of linear motor, driving linear motor work, and the linear movement end of linear motor is connect by valve rod horizontal pulling device with the valve rod of fluid power gear shift valve；Motor drive controller drives linear motor according to gear shifting signal and stem position signal, and linear motor pushes valve rod to move axially to predetermined position corresponding with gear shifting signal by valve rod horizontal pulling device.The present invention replaces armstrong's patent connecting rod using linear motor, reduces design and assembly difficulty, promotes reliability, mitigates the weight of whole device, reduce cost.
Description
Technical field
The present invention relates to a kind of Hydrodynamic transmission gearshifts, more specifically to a kind of shift valve rod position control
Device and engineering machinery vehicle.
Background technique
Hydrodynamic transmission, the shift control control of universal Hydrodynamic transmission is widely used in engineering machinery and various vehicles at present
It is made as mechanical-hydraulic shift.Push and pull fluid power speed change valve valve rod directly using mechanical linkage or flexible axle to control hydraulic valve master
The on-off on oil-control road is shifted gears to realize.This maneuverability pattern structure is simple, but big in the presence of manipulation resistance, and handling comfort is poor, frequently
It shifts gears large labor intensity, in addition mechanism is there are certain fit clearance, when shift control is also easy to produce certain idle stroke, causes shelves
The series of technical of position inaccuracy.
Summary of the invention
The technical problem to be solved by the present invention is to big for existing machinery-hydraulic gear-shifting manipulation resistance, handling comfort is poor
The problem of, and provide that a kind of shift control resistance is small, manipulation is comfortable and gear is accurately shifted gears valve rod position control and tool
There is the engineering machinery vehicle of the device.
The present invention is to realize that the technical solution of its purpose is such that provide a kind of shift valve rod position control, is wrapped
Include fluid power gear shift valve, characterized by comprising:
Valve rod driving device, the motor drive controller including linear motor, driving linear motor work, the straight-line electric
The linear movement end of machine is connect by valve rod horizontal pulling device with the valve rod of the fluid power gear shift valve；
Linear displacement transducer is connect with motor drive controller, for detecting the valve rod of the fluid power gear shift valve
Stem position signal is simultaneously passed to motor drive controller by position；
Gear lever handle is connect with motor drive controller, passes to motor driven for gear change operation and by gear shifting signal
Controller；
The motor drive controller drives linear motor according to gear shifting signal and stem position signal, and linear motor passes through
Valve rod horizontal pulling device pushes valve rod to move axially to predetermined position corresponding with gear shifting signal.
In above-mentioned shift valve rod position control, the valve rod horizontal pulling device includes two axially parallel straight with valve rod
Line guide rail, on guide rail and along can guide rail sliding parallel push rods, the moveable combination of guide rod of linear displacement transducer, linear motor it is straight
Line mobile terminal and valve rod are connect with the parallel push rods.
In above-mentioned shift valve rod position control, the linear motor is linear stepping motor, in the parallel push rods
Be provided with the long hole that length direction and valve rod are axial parallel or are overlapped, the valve rod by the bolt that is inserted into the long hole and
Parallel push rods are hinged.
In above-mentioned shift valve rod position control, the fluid power gear shift valve has the bomb with steel balls for realizing that gear is self-locking
Spring self-locking mechanism, after the valve rod driving device pushes parallel push rods to predetermined position according to gear shifting signal and stem position signal
The linear stepping motor rotates backward and drives parallel push rods reverse movement that the pin shaft is made to be located at the long hole centre.
In above-mentioned shift valve rod position control, the length direction of the parallel push rods is vertical with the linear guide,
The valve rod is connect with one end of the parallel push rods, the moveable combination of guide rod of the linear displacement transducer and the parallel push rods
Other end connection, the linear movement end of the linear motor is connected to the middle part of the parallel push rods.
In above-mentioned shift valve rod position control, the linear motor is external drive type, and shaft includes trapezoidal spiral shell
Bar engages and the trapezoidal nut hinged with the parallel push rods, the hinging pin shaft of the trapezoidal nut and parallel push rods with screw rod
It is vertical with plane where two linear guides.
In above-mentioned shift valve rod position control, motor drive controller includes controller and motor driver, described
Linear displacement transducer, gear lever handle and motor driver are connect with the controller, the controller according to gear shifting signal and
Stem position signal calculates valve rod and needs the direction of motion and distance and be converted into linear motor driving control signal to be sent to motor
Driver, rotor rotation of the motor driver according to linear motor driving control signal driving linear motor.
In above-mentioned shift valve rod position control, the gear lever handle switches comprising walking mode connected to the controller
Switch and gear selection switch；The gear shifting signal includes walking mode switching signal and shift signal, and the walking mode is cut
Changing signal includes advance, retrogressing or neutral mode switching signal；
The walking mode switching switch is for inputting the corresponding walking mode switching signal of generation according to user and transmitting
To the controller；Gear selection switch generates corresponding shift signal and is transmitted to described for being inputted according to user
Controller.
In above-mentioned shift valve rod position control, the controller includes:
Signal receiving module, for receiving the gear shifting signal and linear displacement transducer delivery valve of the selector lever output
Bar position signal；
Signal processing module, for the gear shifting signal and stem position signal to be converted to the drive control of linear motor
Signal；
Signal transmitting module controls institute for the driving control signal of linear motor to be sent to the motor driver
Stating motor driver drives the linear motor to do respective direction and linear distance movement.
The present invention is to realize that the technical solution of its purpose is such that provide a kind of engineering machinery vehicle, which includes
Hydrodynamic transmission, it is characterised in that shift valve rod position control above-mentioned is provided on the Hydrodynamic transmission.
Compared with prior art, the present invention the present invention replaces armstrong's patent connecting rod using linear motor, design and dress are reduced
With difficulty, reliability is promoted, mitigates the weight of whole device, reduces cost.Using electronic shift technology, operation is simple, mitigates
The labor intensity of driver's shift hunting promotes working efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of present invention shift valve rod position control
Fig. 2 is the partial structural diagram of parallel push rods end.
Fig. 3 is steel ball spring self-locking mechanism structural schematic diagram.
Fig. 4 is the control block diagram of present invention shift valve rod position control.
Parts title and serial number in figure:
Substrate 1, linear guide 21, parallel push rods 22, linear displacement transducer 3, moveable combination of guide rod 31, motor drive controller
4, motor driver 41, linear motor 42, screw rod 43, nut 44, controller 45, signal receiving module 451, signal processing module
452, signal transmitting module 453, fluid power gear shift valve 5, valve rod 50, valve rod extension rod 51, bolt 52, steel ball spring are from lock machine
Structure 53, gear lever handle 6, walking mode switching switch 61, gear select switch 62.
Specific embodiment
Illustrate specific embodiment with reference to the accompanying drawing.
Shift valve rod position control structure in the present embodiment is as shown in Figure 1, the shift valve rod position control
It can be used on the Hydrodynamic transmission of engineering machinery vehicle.
Shift valve rod position control include fluid power gear shift valve 5, valve rod driving device, linear displacement transducer 3,
Gear lever handle 6.
Valve rod driving device includes the motor drive controller 4 of linear motor 42, the driving work of linear motor 42, straight-line electric
The linear movement end of machine 42 is connect by valve rod horizontal pulling device with the valve rod 50 of fluid power gear shift valve 5.As shown in Figure 1, valve rod
Horizontal pulling device includes two parallel arrangement linear guides 21 on substrate 1, in linear guide 21 and along can guide rail sliding
The length direction of parallel push rods 22, parallel push rods 22 is vertical with linear guide 21, the moveable combination of guide rod 31 of linear displacement transducer 3,
The linear movement end of linear motor 42, valve rod 50 are connect with parallel push rods 22.
Substrate 1 is fixed on the bottom plate below driver's cabin armrest box, and the valve rod 50 of fluid power gear shift valve 5 passes through its valve rod
Extension rod 51 is connect with one end of parallel push rods 22, and the telescopic direction of valve rod 50 is parallel with linear guide 21.As shown in Fig. 2, flat
Row push rod 22 is provided with the long hole 221 that length direction is parallel with valve rod axial direction or is overlapped in the end, and valve rod extension rod 51 passes through
The bolt 52 and parallel push rods being inserted into long hole 221 are hinged.
As shown in Fig. 1 Fig. 2, linear motor 42 and motor drive controller 41 are also secured on substrate 1, and linear motor 42 is
External drive type, shaft includes trapezoidal screw 43, engages with screw rod 43 and the trapezoidal nut 44 hinged with parallel push rods 22, spiral shell
Mother 44 is vertical with plane where two linear guides with the hinging pin shaft of parallel push rods 22.
Linear displacement transducer 3 is also fixedly mounted on substrate 1, the moveable combination of guide rod 31 of linear displacement transducer 3 with it is parallel
The other end of push rod 22 hingedly connects, and the telescopic direction of moveable combination of guide rod 31 is parallel with linear guide 21.
As shown in figure 3, fluid power gear shift valve 5 has the steel ball spring self-locking mechanism 53 for realizing that gear is self-locking, by certainly
Latch mechanism, so that valve rod can only rest on several relatively fixed positions, these positions correspond to the difference of Hydrodynamic transmission
Gear.
As shown in figure 4, motor drive controller 4 includes controller 45 and motor driver 41.Gear lever handle 6 and controller
45 connections, pass to controller 45 for gear change operation and by gear shifting signal.Gear shifting signal include walking mode switching signal and
Shift signal, walking mode switching signal include advance, retrogressing or neutral mode switching signal.Gear lever handle 6 include and control
The walking mode switching switch 61 and gear that device 45 connects select switch 62.Walking mode switches switch 61 for defeated according to user
Enter to generate corresponding walking mode switching signal and is transmitted to controller；Gear selects switch 62 to be used to input generation according to user
Corresponding shift signal is simultaneously transmitted to controller.Namely operator switches the walking mould that switch 61 selects vehicle by walking mode
Formula, such as selection vehicle moves forward or back or neutral gear, operator selects the gear of the selection vehicle of switch 62 by row gear, such as
The formation gear shifting signal as soon as gear or second gear etc., walking mode switching signal and shift signal combine, for example, it is forward gear, preceding
The shift signal different into second gear, retreating gear, neutral gear etc..
Linear displacement transducer 3 is connect with controller 45, for detect fluid power gear shift valve valve rod 50 position simultaneously
Stem position signal is passed into motor drive controller.
Controller 45 includes signal receiving module 451, signal processing module 452, signal transmitting module 453.Wherein signal
Receiving module 451 is used to receive the gear shifting signal and linear displacement transducer output stem position letter of the selector lever output
Number；The drive control that signal processing module 452 is used to be converted to the gear shifting signal and stem position signal linear motor is believed
Number；Signal transmitting module 453 is used to the driving control signal of linear motor being sent to the motor driver.Motor driver
Respective direction and linear distance movement are done according to the control signal driving linear motor received.
In the present embodiment, linear motor 42 is linear stepping motor, and controller 45 is according to gear shifting signal and stem position
Signal calculates valve rod 50 and needs the direction of motion and distance and be converted into linear motor driving control signal to be sent to motor driver,
Rotor rotation of the motor driver according to linear motor driving control signal driving linear motor.Valve rod driving device pushes parallel
Linear stepping motor rotates backward and drives parallel push rods reverse movement that the pin shaft is made to be located at long hole after push rod to predetermined position
Centre.
Claims (10)
1. a kind of shift valve rod position control, including fluid power gear shift valve, characterized by comprising:
Valve rod driving device, the motor drive controller including linear motor, driving linear motor work, the linear motor
Linear movement end is connect by valve rod horizontal pulling device with the valve rod of the fluid power gear shift valve；
Linear displacement transducer is connect with motor drive controller, for detecting the stem position of the fluid power gear shift valve
And stem position signal is passed into motor drive controller；
Gear lever handle is connect with motor drive controller, passes to drive and control of electric machine for gear change operation and by gear shifting signal
Device；
The motor drive controller drives linear motor according to gear shifting signal and stem position signal, and linear motor passes through valve rod
Horizontal pulling device pushes valve rod to move axially to predetermined position corresponding with gear shifting signal.
2. shift valve rod position control according to claim 1, it is characterised in that the valve rod horizontal pulling device includes
Two with valve rod axially parallel linear guide, on guide rail and along can guide rail sliding parallel push rods, linear displacement transducer
Moveable combination of guide rod, linear motor linear movement end and valve rod connect with the parallel push rods.
3. shift valve rod position control according to claim 2, it is characterised in that the linear motor is straight line step
Into motor, the long hole that length direction is parallel with valve rod axial direction or is overlapped is provided in the parallel push rods, the valve rod is by inserting
Bolt and parallel push rods in the long hole is hinged.
4. shift valve rod position control according to claim 3, it is characterised in that the fluid power gear shift valve tool
There is the steel ball spring self-locking mechanism for realizing that gear is self-locking, the valve rod driving device is pushed away according to gear shifting signal and stem position signal
The linear stepping motor rotates backward and parallel push rods reverse movement is driven to make the pin after dynamic parallel push rods to predetermined position
Axle position is in the long hole centre.
5. shift valve rod position control according to claim 3, it is characterised in that the length side of the parallel push rods
To vertical with the linear guide, the valve rod is connect with one end of the parallel push rods, the work of the linear displacement transducer
Dynamic guide rod is connect with the other end of the parallel push rods, and the linear movement end of the linear motor is connected to the parallel push rods
Middle part.
6. shift valve rod position control according to any one of claim 1 to 5, it is characterised in that the straight-line electric
Machine is external drive type, and shaft includes trapezoidal screw, engages with screw rod and the trapezoidal nut hinged with the parallel push rods, institute
It is vertical with plane where two linear guides with the hinging pin shaft of parallel push rods to state trapezoidal nut.
7. shift valve rod position control according to any one of claim 1 to 5, it is characterised in that motor driven control
Device processed includes controller and motor driver, the linear displacement transducer, gear lever handle and motor driver and the control
Device connection, the controller calculate valve rod according to gear shifting signal and stem position signal and need the direction of motion and distance and be converted into
Linear motor driving control signal is sent to motor driver, and motor driver is straight according to the driving of linear motor driving control signal
The rotor of line motor rotates.
8. shift valve rod position control according to claim 7, it is characterised in that the gear lever handle include and control
The walking mode switching switch and gear selection switch of device connection processed；The gear shifting signal includes walking mode switching signal and gear
Position signal, the walking mode switching signal include advance, retrogressing or neutral mode switching signal；
The walking mode switching switch is for inputting the corresponding walking mode switching signal of generation according to user and being transmitted to institute
State controller；The gear selection switch is for inputting the corresponding shift signal of generation according to user and being transmitted to the control
Device.
9. shift valve rod position control according to claim 7, it is characterised in that the controller includes:
Signal receiving module, for receiving gear shifting signal and the linear displacement transducer output valve rod position of the selector lever output
Confidence number；
Signal processing module, the drive control for the gear shifting signal and stem position signal to be converted to linear motor are believed
Number；
Signal transmitting module controls the electricity for the driving control signal of linear motor to be sent to the motor driver
Machine driver drives the linear motor to do respective direction and linear distance movement.
10. a kind of engineering machinery vehicle, including Hydrodynamic transmission, it is characterised in that setting has the right to want on the Hydrodynamic transmission
Shift valve rod position control described in asking any one of 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128287.0A CN109084018B (en) | 2018-09-27 | 2018-09-27 | Shift valve rod position control device and engineering machinery vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128287.0A CN109084018B (en) | 2018-09-27 | 2018-09-27 | Shift valve rod position control device and engineering machinery vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109084018A true CN109084018A (en) | 2018-12-25 |
| CN109084018B CN109084018B (en) | 2021-04-23 |
Family
ID=64842659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811128287.0A Active CN109084018B (en) | 2018-09-27 | 2018-09-27 | Shift valve rod position control device and engineering machinery vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084018B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004169877A (en) * | 2002-11-22 | 2004-06-17 | Nissan Motor Co Ltd | Control device for shift by wire type automatic transmission |
| CN203202371U (en) * | 2013-05-02 | 2013-09-18 | 陈少梅 | Electric interlocking needle valve |
| CN105156655A (en) * | 2015-06-18 | 2015-12-16 | 江苏柳工机械有限公司 | Gears operating mechanism of loader-digger |
| CN107762991A (en) * | 2017-10-19 | 2018-03-06 | 北京易联创安科技发展有限公司 | A kind of remote control system for being used to control scraper or loading machine to walk |
| CN207145729U (en) * | 2017-07-21 | 2018-03-27 | 张久军 | A kind of electronic and manual integral valve |
-
2018
- 2018-09-27 CN CN201811128287.0A patent/CN109084018B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004169877A (en) * | 2002-11-22 | 2004-06-17 | Nissan Motor Co Ltd | Control device for shift by wire type automatic transmission |
| CN203202371U (en) * | 2013-05-02 | 2013-09-18 | 陈少梅 | Electric interlocking needle valve |
| CN105156655A (en) * | 2015-06-18 | 2015-12-16 | 江苏柳工机械有限公司 | Gears operating mechanism of loader-digger |
| CN207145729U (en) * | 2017-07-21 | 2018-03-27 | 张久军 | A kind of electronic and manual integral valve |
| CN107762991A (en) * | 2017-10-19 | 2018-03-06 | 北京易联创安科技发展有限公司 | A kind of remote control system for being used to control scraper or loading machine to walk |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109084018B (en) | 2021-04-23 |
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