CN110422162A - A kind of sliding loader hydraulic moving electric-control system and method - Google Patents
A kind of sliding loader hydraulic moving electric-control system and method Download PDFInfo
- Publication number
- CN110422162A CN110422162A CN201910750270.7A CN201910750270A CN110422162A CN 110422162 A CN110422162 A CN 110422162A CN 201910750270 A CN201910750270 A CN 201910750270A CN 110422162 A CN110422162 A CN 110422162A
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- control
- hydraulic
- comparison result
- sliding loader
- hydraulic variable
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
Abstract
The invention discloses a kind of sliding loader hydraulic moving electric-control system and methods, are related to hydraulic machinery field.Aobvious control all-in-one machine connection hydraulic variable displacement pump and hydraulic variable motor, comprising: signal acquisition module acquires the opening amount signal of foot pedal；Opening amount signal is compared by data comparison module, connection signal acquisition module with pre-set aperture threshold value, when being less than aperture threshold value, exports the first comparison result, when being not less than, exports the second comparison result；Control module connects data comparison module, comprising: first control unit controls the discharge capacity of hydraulic variable displacement pump and hydraulic variable motor according to the first comparison result；Second control unit controls discharge capacity according to the second comparison result.It has the advantages that the discharge capacity for adjusting hydraulic variable displacement pump and hydraulic variable motor, reaches reasonable output, improve production efficiency, while carrying out the control of direction of travel, simple operation using the electric signal of acquisition shift handle output.
Description
Technical field
The present invention relates to hydraulic machinery field more particularly to a kind of sliding loader hydraulic moving electric-control system and methods.
Background technique
The travelling control of traditional hydraulic sliding loader is to control the valve block on vehicle by way of pull rod, and then control
System walking, but this mechanical control method is utilized, it is easy to wear for a long time, vehicle to run control function is caused to be easy to lose
Effect.Meanwhile this mechanically actuated mode needs very big power, increases working strength when operation.
Traditional mechanical transmission is converted to the transmission of fluid pressure by hydraulic variable motor and hydraulic variable displacement pump, is changed
Simple machine driving and single hydraulic drive, can obtain higher productivity.
Summary of the invention
The present invention is to solve the above-mentioned problems, it is proposed that a kind of sliding loader hydraulic moving electric-control system, comprising: one is aobvious
Control all-in-one machine, and the hydraulic variable displacement pump and a hydraulic variable motor that connect with the aobvious control all-in-one machine；
The aobvious control all-in-one machine includes:
Signal acquisition module, for acquiring the opening amount signal of foot pedal in real time；
Data comparison module connects the signal acquisition module, is used for the opening amount signal and pre-set aperture
Threshold value is compared, and when the opening amount signal is less than the aperture threshold value, exports corresponding first comparison result, Yi Ji
When the opening amount signal is not less than the aperture threshold value, corresponding second comparison result is exported；
Control module connects the data comparison module, and the control module specifically includes:
First control unit, it is described to control for generating corresponding first control instruction according to first comparison result
The discharge capacity of hydraulic variable displacement pump generates corresponding second control in one first preset range, and according to first comparison result
It instructs to control the discharge capacity standard-sized sheet of the hydraulic variable motor；
Second control unit, it is described to control for generating corresponding third control instruction according to second comparison result
The discharge capacity standard-sized sheet of hydraulic variable displacement pump, and it is described to control according to corresponding 4th control instruction of second comparison result generation
The discharge capacity of hydraulic variable motor is in one second preset range.
Preferably, further include a shift handle, connect the aobvious control all-in-one machine；
The then aobvious control all-in-one machine further include:
Travelling control module, electric signal for being exported according to the shift handle generate corresponding 5th control instruction with
Control the direction of travel of the sliding loader.
Preferably, the aobvious control all-in-one machine is provided with several data-interfaces behind.
Preferably, the data-interface includes: that hydraulic variable displacement pump advance input interface and/or hydraulic variable displacement pump retrogressing are defeated
Output interface and/or parking after output interface and/or hydraulic variable displacement pump control before incoming interface and/or hydraulic variable displacement pump control
Brake signal input interface and/or hydraulic variable motor height output interface.
Preferably, further include an engine, be separately connected the aobvious control all-in-one machine, the hydraulic variable displacement pump and described hydraulic
Variable displacement motor；
The then aobvious control all-in-one machine further include:
Rotational speed control module, for being controlled the revolving speed of the engine one according to the 6th pre-generated control instruction
In third preset range, to drive the hydraulic variable displacement pump and the hydraulic variable motor.
Preferably, the third preset range is 800-2300 revs/min.
Preferably, first preset range is 0-100%.
Preferably, second preset range is 40%-100%.
Preferably, the aperture threshold value obtains for on-the-spot test.
Preferably, a kind of sliding loader hydraulic moving electric-control method is applied to the automatically controlled system of sliding loader hydraulic moving
System, specifically includes the following steps:
Step S1, the sliding loader hydraulic moving electric-control system acquire the opening amount signal of the foot pedal in real time；
Step S2, the sliding loader hydraulic moving electric-control system is by the opening amount signal and pre-set aperture threshold
Value is compared:
If the opening amount signal is less than the aperture threshold value, corresponding first comparison result is exported, step is subsequently diverted to
S3；
If the opening amount signal is not less than the aperture threshold value, corresponding second comparison result is exported, is subsequently diverted to walk
Rapid S4；
Step S3, the sliding loader hydraulic moving electric-control system generate corresponding the according to first comparison result
One control instruction compares knot in one first preset range, and according to described first with the discharge capacity for controlling the hydraulic variable displacement pump
Fruit generates corresponding second control instruction to control the discharge capacity standard-sized sheet of the hydraulic variable motor, with backed off after random；
Step S4, the sliding loader hydraulic moving electric-control system generate corresponding the according to second comparison result
Three control instructions generate corresponding the to control the discharge capacity standard-sized sheet of the hydraulic variable displacement pump, and according to second comparison result
Four control instructions are to control the discharge capacity of the hydraulic variable motor in one second preset range, with backed off after random.
It has the advantages that
The sliding loader hydraulic moving electric-control system and method, by adjusting hydraulic variable displacement pump and hydraulic variable motor
Discharge capacity output, reaches zone of reasonableness, improves production efficiency, while walking using the electric signal of acquisition shift handle output
The control in direction, simple operation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of sliding loader hydraulic moving electric-control system in preferred embodiments of the present invention；
Fig. 2 is a kind of flow diagram of sliding loader hydraulic moving electric-control method in preferred embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
The present invention is to solve the above-mentioned problems, it is proposed that a kind of sliding loader hydraulic moving electric-control system, such as Fig. 1 institute
Show, comprising: an aobvious control all-in-one machine 1, and the hydraulic variable displacement pump 2 and a hydraulic variable motor 3 that are connect with aobvious control all-in-one machine 1；
Showing control all-in-one machine 1 includes:
Signal acquisition module 11, for acquiring the opening amount signal of foot pedal 4 in real time；
Data comparison module 12, connection signal acquisition module 11 are used for opening amount signal and pre-set aperture threshold value
It is compared, and when opening amount signal is less than aperture threshold value, exports corresponding first comparison result, and not small in opening amount signal
When aperture threshold value, corresponding second comparison result is exported；
Control module 13 connects data comparison module 12, and control module 13 specifically includes:
First control unit 131, it is hydraulic to control for generating corresponding first control instruction according to the first comparison result
The discharge capacity of variable pump 2 in one first preset range, and generate according to the first comparison result corresponding second control instruction with
Control the discharge capacity standard-sized sheet of hydraulic variable motor 3；
Second control unit 132, it is hydraulic to control for generating corresponding third control instruction according to the second comparison result
The discharge capacity standard-sized sheet of variable pump 2, and corresponding 4th control instruction is generated to control hydraulic variable flow horse according to the second comparison result
Up to 3 discharge capacity in one second preset range.
Specifically, in the present embodiment, the sliding loader of the hydraulic moving control system can be in low-powered engine 1
Under the conditions of, obtain productivity more higher than previous mechanical transmission and single hydraulic moving type.
A voltage X of the acquisition foot pedal 4 at a certain position first, and using the value as aperture threshold value, preferably foot
Value of the pedal 4 when intermediate, and voltage X is defaulted to inside the aobvious data comparison module 12 for controlling all-in-one machine 1.
When foot pedal 4 is operated, the opening amount signal of the acquisition foot pedal 4 of signal acquisition module 11, i.e. voltage Y, and will be electric
Pressure Y is transferred to data comparison module 12, and data comparison module 12 shows opening in control all-in-one machine 1 by voltage Y and with being set in advance in
Degree threshold voltage X is compared, and comparison result is transferred to control module 13 and carries out subsequent control.
When voltage Y is less than voltage X, it is default one first that first control unit 131 controls 2 output displacement of hydraulic variable displacement pump
In range, preferably the output displacement of hydraulic variable displacement pump 2 is obtained by following formula: Y/X*100%, hydraulic variable motor 3 export
Displacement percentage is 100%.
When voltage Y is greater than voltage X, the second control unit 132 control 2 output displacement percentage of hydraulic variable displacement pump is
100%, 3 output displacement of hydraulic variable motor is in one second preset range, it is preferred that 3 output displacement hundred of hydraulic variable motor
Dividing than range is 40%-100%.
Further include a shift handle 5 in preferred embodiments of the present invention, connects the aobvious control all-in-one machine 1；
The then aobvious control all-in-one machine 1 further include:
Travelling control module 14, the electric signal for being exported according to the shift handle 5 generate corresponding 5th control and refer to
It enables to control the direction of travel of the sliding loader.
In preferred embodiments of the present invention, aobvious control 1 behind of all-in-one machine is provided with several data-interfaces.
In preferred embodiments of the present invention, data-interface includes: hydraulic variable displacement pump advance input interface and/or hydraulic change
Amount pump retreats input interface and/or hydraulic variable displacement pump controls output interface after preceding output interface and/or hydraulic variable displacement pump control,
And/or parking brake signals input interface and/or hydraulic variable motor height output interface.
Further include an engine 6 in preferred embodiments of the present invention, is separately connected aobvious control all-in-one machine 1, hydraulic variable displacement pump 2
With hydraulic variable motor 3,
Then show control all-in-one machine 1 further include:
Rotational speed control module 15, for being controlled the revolving speed of engine 6 one according to the 6th pre-generated control instruction
In third preset range, to drive hydraulic variable displacement pump 2 and hydraulic variable motor 3.
In preferred embodiments of the present invention, third preset range is 800-2300 revs/min.
In preferred embodiments of the present invention, the first preset range is 0-100%.
In preferred embodiments of the present invention, the second preset range is 40%-100%.
In preferred embodiments of the present invention, aperture threshold value obtains for on-the-spot test.
In preferred embodiments of the present invention, a kind of sliding loader hydraulic moving electric-control method is applied to sliding loader
Hydraulic moving electric-control system, as shown in Fig. 2, specifically includes the following steps:
Step S1, sliding loader hydraulic moving electric-control system acquire the opening amount signal of foot pedal in real time；
Step S2, sliding loader hydraulic moving electric-control system compare opening amount signal and pre-set aperture threshold value
Compared with:
If opening amount signal is less than aperture threshold value, corresponding first comparison result is exported, step S3 is subsequently diverted to；
If opening amount signal is not less than aperture threshold value, corresponding second comparison result is exported, step S4 is subsequently diverted to；
Step S3, sliding loader hydraulic moving electric-control system generate corresponding first control according to the first comparison result and refer to
It enables to control the discharge capacity of hydraulic variable displacement pump in one first preset range, and generates corresponding second according to the first comparison result
Control instruction is to control the discharge capacity standard-sized sheet of hydraulic variable motor, with backed off after random；
Step S4, sliding loader hydraulic moving electric-control system generate corresponding third control according to the second comparison result and refer to
It enables to control the discharge capacity standard-sized sheet of hydraulic variable displacement pump, and corresponding 4th control instruction is generated to control according to the second comparison result
The discharge capacity of hydraulic variable motor is in one second preset range, with backed off after random.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention, right
For those skilled in the art, it should can appreciate that and all replace with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of sliding loader hydraulic moving electric-control system characterized by comprising an aobvious control all-in-one machine, and with it is described
A hydraulic variable displacement pump and a hydraulic variable motor for aobvious control all-in-one machine connection；
The aobvious control all-in-one machine includes:
Signal acquisition module, for acquiring the opening amount signal of foot pedal in real time；
Data comparison module connects the signal acquisition module, is used for the opening amount signal and pre-set aperture threshold value
It is compared, and when the opening amount signal is less than the aperture threshold value, exports corresponding first comparison result, and described
When opening amount signal is not less than the aperture threshold value, corresponding second comparison result is exported；
Control module connects the data comparison module, and the control module specifically includes:
First control unit, it is described hydraulic to control for generating corresponding first control instruction according to first comparison result
The discharge capacity of variable pump generates corresponding second control instruction in one first preset range, and according to first comparison result
To control the discharge capacity standard-sized sheet of the hydraulic variable motor；
Second control unit, it is described hydraulic to control for generating corresponding third control instruction according to second comparison result
The discharge capacity standard-sized sheet of variable pump, and it is described hydraulic to control according to corresponding 4th control instruction of second comparison result generation
The discharge capacity of variable displacement motor is in one second preset range.
2. sliding loader hydraulic moving electric-control system according to claim 1, which is characterized in that further include a shift hand
Handle connects the aobvious control all-in-one machine；
The then aobvious control all-in-one machine further include:
Travelling control module, the electric signal for being exported according to the shift handle generate corresponding 5th control instruction to control
The direction of travel of the sliding loader.
3. sliding loader hydraulic moving electric-control system according to claim 1, which is characterized in that the aobvious control all-in-one machine
It is provided with several data-interfaces behind.
4. sliding loader hydraulic moving electric-control system according to claim 3, which is characterized in that the data-interface packet
It includes: defeated before hydraulic variable displacement pump advance input interface and/or hydraulic variable displacement pump retrogressing input interface and/or hydraulic variable displacement pump control
Output interface and/or parking brake signals input interface and/or hydraulic variable flow after outgoing interface and/or hydraulic variable displacement pump control
Motor height output interface.
5. sliding loader hydraulic moving electric-control system according to claim 1, which is characterized in that further include starting
Machine is separately connected the aobvious control all-in-one machine, the hydraulic variable displacement pump and the hydraulic variable motor；
The then aobvious control all-in-one machine further include:
Rotational speed control module, for being controlled the revolving speed of the engine in a third according to the 6th pre-generated control instruction
In preset range, to drive the hydraulic variable displacement pump and the hydraulic variable motor.
6. sliding loader hydraulic moving electric-control system according to claim 5, which is characterized in that the third presets model
Enclose is 800-2300 revs/min.
7. sliding loader hydraulic moving electric-control system according to claim 1, which is characterized in that the first default model
It encloses for 0-100%.
8. sliding loader hydraulic moving electric-control system according to claim 1, which is characterized in that the second default model
It encloses for 40%-100%.
9. sliding loader hydraulic moving electric-control system according to claim 1, which is characterized in that the aperture threshold value is
On-the-spot test obtains.
10. a kind of sliding loader hydraulic moving electric-control method, which is characterized in that be applied to as any one in claim 1-9
Sliding loader hydraulic moving electric-control system described in, specifically includes the following steps:
Step S1, the sliding loader hydraulic moving electric-control system acquire the opening amount signal of the foot pedal in real time；
Step S2, the sliding loader hydraulic moving electric-control system by the opening amount signal and pre-set aperture threshold value into
Row compares:
If the opening amount signal is less than the aperture threshold value, corresponding first comparison result is exported, step S3 is subsequently diverted to；
If the opening amount signal is not less than the aperture threshold value, corresponding second comparison result is exported, step S4 is subsequently diverted to；
Step S3, the sliding loader hydraulic moving electric-control system generate corresponding first control according to first comparison result
System instruction is raw in one first preset range, and according to first comparison result with the discharge capacity for controlling the hydraulic variable displacement pump
The discharge capacity standard-sized sheet that the hydraulic variable motor is controlled at corresponding second control instruction, with backed off after random；
Step S4, the sliding loader hydraulic moving electric-control system generate corresponding third control according to second comparison result
System instruction is to control the discharge capacity standard-sized sheet of the hydraulic variable displacement pump, and generates the corresponding 4th according to second comparison result and control
System is instructed to control the discharge capacity of the hydraulic variable motor in one second preset range, with backed off after random.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910750270.7A CN110422162B (en) | 2019-08-14 | 2019-08-14 | Hydraulic traveling electric control system and method for skid steer loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910750270.7A CN110422162B (en) | 2019-08-14 | 2019-08-14 | Hydraulic traveling electric control system and method for skid steer loader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110422162A true CN110422162A (en) | 2019-11-08 |
| CN110422162B CN110422162B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910750270.7A Active CN110422162B (en) | 2019-08-14 | 2019-08-14 | Hydraulic traveling electric control system and method for skid steer loader |
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| CN (1) | CN110422162B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412277A (en) * | 2020-04-07 | 2020-07-14 | 三一汽车制造有限公司 | Method for controlling automatic gear shifting of paver, automatic gear shifting control device and paver |
| CN113104017A (en) * | 2021-05-17 | 2021-07-13 | 吉林大学 | Hydraulic power-assisted mode pump displacement control method based on optimal driving force distribution |
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| CN103085657A (en) * | 2013-01-29 | 2013-05-08 | 三一重工股份有限公司 | Open type hydraulic system capable of braking, braking method and walking machinery |
| CN105667510A (en) * | 2016-01-07 | 2016-06-15 | 山河智能装备股份有限公司 | Control device and method for wheel type mechanical hydraulic travelling system |
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| CN1558048A (en) * | 2004-01-18 | 2004-12-29 | 三一重工股份有限公司 | Limit load adjustment method of all hydraulic bulldozer and apparatus thereof |
| CN101169078A (en) * | 2007-12-07 | 2008-04-30 | 三一重工股份有限公司 | Hydraulic chassis engineering machinery walking control method and control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111412277A (en) * | 2020-04-07 | 2020-07-14 | 三一汽车制造有限公司 | Method for controlling automatic gear shifting of paver, automatic gear shifting control device and paver |
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| CN113104017A (en) * | 2021-05-17 | 2021-07-13 | 吉林大学 | Hydraulic power-assisted mode pump displacement control method based on optimal driving force distribution |
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| CN110422162B (en) | 2021-02-19 |
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