CN106122419A - A kind of bull-dozer torque-converters closes solution lock control method and device - Google Patents
A kind of bull-dozer torque-converters closes solution lock control method and device Download PDFInfo
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- CN106122419A CN106122419A CN201610791985.3A CN201610791985A CN106122419A CN 106122419 A CN106122419 A CN 106122419A CN 201610791985 A CN201610791985 A CN 201610791985A CN 106122419 A CN106122419 A CN 106122419A
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- torque
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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
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Control Of Fluid Gearings (AREA)
Abstract
The present invention relates to a kind of bull-dozer torque-converters and close unlocking method, comprise the steps: to obtain the first corresponding relation data between torque-converters secondary speed in the lockout condition and turbine output moment of torsion；Obtain the second corresponding relation data between torque-converters secondary speed in the unlocked state and turbine output moment of torsion；Search the crossover point secondary speed that the first corresponding relation data are corresponding with crossover point in the second corresponding relation data；According to the corresponding relation data between secondary speed set in advance and engine speed, calculate the threshold engine speed that crossover point secondary speed is corresponding；Monitoring engine speed torque converter locking, unblock.By detection to secondary speed in torque converter locking condition being converted into the detection to engine speed in the present invention, and then judge that torque-converters is the need of locking by the change of engine speed.Owing to available engine Rotating speed measring technology is the most ripe, it is thus achieved that engine speed more accurate, the most also can reduce the manufacturing cost of bull-dozer.
Description
Technical field
The present invention relates to bull-dozer technical field, particularly relate to a kind of bull-dozer torque-converters and close unlocking method and device.
Background technology
Bulldozer operation operating mode changing load, during heavy load, complete machine needs the moment of torsion that torque-converters output is the biggest, little negative
During load, complete machine needs torque-converters to export of a relatively high rotating speed.Therefore, the torque-converters with blocking function is to meet sophisticated functions, saves
The optimum selection of energy consumption.
Generally judge that torque-converters need to detect torque converter turbine rotating speed the need of locking, therefore, it is necessary to be equipped with corresponding rotating speed
Sensor.And the limitation of bull-dozer torque-converters existing structure causes difficulty to the installation of sensor.
Therefore, how to propose a kind of torque-converters and close unlocking method, it is possible to solve bull-dozer torque-converters in prior art existing
Structure needs to install sensor and could realize torque-converters and close unblock, is those skilled in the art's technical issues that need to address.
Summary of the invention
It is an object of the invention to propose a kind of bull-dozer torque-converters and close unlocking method, it is possible to solve prior art is bulldozed
Machine torque-converters existing structure needs to install sensor could realize the problem that torque-converters closes unblock.
The present invention also aims to propose a kind of bull-dozer torque-converters and close solution lock control device, it is possible to solve prior art
Middle bull-dozer torque-converters existing structure needs to install sensor could realize the problem that torque-converters closes unblock.
For reaching this purpose, the present invention by the following technical solutions:
There is provided a kind of bull-dozer torque-converters to close unlocking method, comprise the steps:
Obtain the first corresponding relation data between torque-converters secondary speed in the lockout condition and turbine output moment of torsion；
Obtain the second corresponding relation number between described torque-converters secondary speed in the unlocked state and turbine output moment of torsion
According to；
Search the crossover point unit vortex that described first corresponding relation data are corresponding with crossover point in described second corresponding relation data
Wheel speed；
According to the corresponding relation data between described secondary speed set in advance and engine speed, calculate described crossover
The threshold engine speed that some secondary speed is corresponding；
Monitoring engine speed, when the described engine speed of monitoring is more than described threshold engine speed, makes described
Torque converter locking, when the described engine speed of monitoring is less than described threshold engine speed, makes described torque-converters unlock.
As preferably, described acquisition secondary speed and turbine under torque converter locking state export the first couple between moment of torsion
The step answering relation data is: obtain torque-converters the first parameter information in the lockout condition, according to described first parameter information
Calculate the first corresponding relation data in the lockout condition between secondary speed and turbine output moment of torsion.
As preferably, the between described acquisition described torque-converters secondary speed in the unlocked state and turbine output moment of torsion
The step of two corresponding relation data is: obtain described torque-converters the second parameter information in the unlocked state, according to described second
Parameter information calculates secondary speed and turbine in the unlocked state and exports the first corresponding relation data between moment of torsion.
The present invention also provides for a kind of bull-dozer torque-converters and closes solution lock control device, including:
Blocking turbine data acquisition module, obtains torque-converters secondary speed in the lockout condition and exports moment of torsion with turbine
Between the first corresponding relation data；
Released state turbine data acquisition module, is used for obtaining described torque-converters secondary speed in the unlocked state and turbine
The second corresponding relation data between output moment of torsion；
Critical secondary speed searches module, is used for searching described first corresponding relation data and described second corresponding relation number
According to the crossover point secondary speed that middle crossover point is corresponding；
Threshold engine speed acquisition module, for according between described secondary speed set in advance and engine speed
Corresponding relation data, calculate the threshold engine speed that described crossover point secondary speed is corresponding；
Status control module, is used for monitoring engine speed, when the described engine speed of monitoring is more than described critical
During motivation rotating speed, make described torque converter locking, when the described engine speed of monitoring is less than described threshold engine speed, make
Described torque-converters unlocks.
By detection to secondary speed in torque converter locking condition is converted into the inspection to engine speed in the present invention
Survey, try to achieve, by secondary speed and turbine torque corresponding relation, the critical secondary speed that turbine locking unlocks, pass through secondary speed
And the relation between electromotor determines threshold engine speed, and then judges whether torque-converters needs by the change of engine speed
Want locking.Owing to available engine Rotating speed measring technology is the most ripe, it is thus achieved that engine speed more accurate, the most also can drop
The manufacturing cost of low bull-dozer.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the bull-dozer torque-converters that the present invention provides closes unlocking method；
Fig. 2 is electromotor, torque-converters cooperation output characteristic curve schematic diagram.
In figure:
1, torque converter curve；2, torque-converters speed ratio curve；3, engine speed graph；4, locking torque curve；5、
Unlock torque curve.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with the accompanying drawings and by concrete
Embodiment further illustrates technical scheme.
As it is shown in figure 1, the present embodiment provides a kind of bull-dozer torque-converters close unlocking method, comprise the steps:
Obtain the first corresponding relation data between torque-converters secondary speed in the lockout condition and turbine output moment of torsion；
I.e. with torque converter locking state for first putting forward condition, it is thus achieved that different turbine output moments of torsion corresponding to secondary speed, enter
And obtain turbine output moment of torsion and the relation curve of turbine trip speed under torque converter locking state.
Obtain the second corresponding relation number between described torque-converters secondary speed in the unlocked state and turbine output moment of torsion
According to；
I.e. with torque-converters released state for first putting forward condition, it is thus achieved that different turbine output moments of torsion corresponding to secondary speed, enter
And obtain turbine output moment of torsion and the relation curve of secondary speed under torque-converters released state.
Search the crossover point unit vortex that described first corresponding relation data are corresponding with crossover point in described second corresponding relation data
Wheel speed；
I.e. search the marginal value of turbine output speed under different conditions；
According to the corresponding relation data between described secondary speed set in advance and engine speed, calculate described crossover
The threshold engine speed that some secondary speed is corresponding；
Wherein, the corresponding relation curve between described described secondary speed set in advance and engine speed is and starts
Machine-torque-converters match curve.
Monitoring engine speed, when the described engine speed of monitoring is more than described threshold engine speed, makes described
Torque converter locking, when the described engine speed of monitoring is less than described threshold engine speed, makes described torque-converters unlock.
Described acquisition secondary speed and turbine under torque converter locking state export the first corresponding relation number between moment of torsion
According to step be: obtain torque-converters the first parameter information in the lockout condition, according to described first parameter information calculate closing
Under lock status, secondary speed and turbine export the first corresponding relation data between moment of torsion.
Described first parameter information refers to obtain each performance parameter of turbine under blocking, as torque-converters work efficiency,
Torque ratio etc..
Described acquisition described torque-converters solution secondary speed under lock status exports the corresponding pass of second between moment of torsion with turbine
The step of coefficient evidence is: obtain described torque-converters the second parameter information in the unlocked state, according to described second parameter information
Calculate the first corresponding relation data in the unlocked state between secondary speed and turbine output moment of torsion.
Described second parameter information refers to obtain each performance parameter of turbine under released state, as torque-converters work efficiency,
Torque ratio etc..
The present embodiment determines torque-converters whether locking, unblock by engine speed, it is possible to save torque-converters and install and pass
The step for of sensor, and then production cost can be reduced.
As in figure 2 it is shown, this method first obtains the characteristic song of torque-converters moment of torsion under closing released state and torque-converters rotating speed
Line, then looks up the secondary speed corresponding for crossover point A closing released state torque characteristic curve, then corresponding according to interface point
Secondary speed calculates threshold engine speed B, then judges engine speed and critical engine according to threshold engine speed B
The size of rotating speed B, in order to control torque-converters state.
Embodiment 2
Present embodiments provide a kind of torque-converters behavior control device, use method as described in example 1 above to control to become
Square device state, comprising:
Blocking turbine data acquisition module, obtains torque-converters secondary speed in the lockout condition and exports moment of torsion with turbine
Between the first corresponding relation data；
Released state turbine data acquisition module, is used for obtaining described torque-converters secondary speed in the unlocked state and turbine
The second corresponding relation data between output moment of torsion；
Critical secondary speed searches module, is used for searching described first corresponding relation data and described second corresponding relation number
According to the crossover point secondary speed that middle crossover point is corresponding；
Threshold engine speed acquisition module, for according between described secondary speed set in advance and engine speed
Corresponding relation data, calculate the threshold engine speed that described crossover point secondary speed is corresponding；
Status control module, is used for monitoring engine speed, when the described engine speed of monitoring is more than described critical
During motivation rotating speed, make described torque converter locking, when the described engine speed of monitoring is less than described threshold engine speed, make
Described torque-converters unlocks.
Present embodiments providing a kind of torque-converters behavior control device, this device can judge bending moment according to engine speed
Device locking, released state, further make to can be achieved with torque-converters and close the control of released state without arranging sensor on turbine.
Note, the ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not limited to the embodiments described above, described in above-mentioned embodiment and description
The principle of the present invention is simply described, without departing from the spirit and scope of the present invention, the present invention also have various change and
Improving, these changes and improvements both fall within scope of the claimed invention, and the claimed scope of the present invention is by appended
Claims and equivalent thereof define.
Claims (4)
1. a bull-dozer torque-converters closes unlocking method, it is characterised in that comprise the steps:
Obtain the first corresponding relation data between torque-converters secondary speed in the lockout condition and turbine output moment of torsion；
Obtain the second corresponding relation data between described torque-converters secondary speed in the unlocked state and turbine output moment of torsion；
The crossover point turbine searching described first corresponding relation data corresponding with crossover point in described second corresponding relation data turns
Speed；
According to the corresponding relation data between described secondary speed set in advance and engine speed, calculate described crossover point unit vortex
The threshold engine speed that wheel speed is corresponding；
Monitoring engine speed, when the described engine speed of monitoring is more than described threshold engine speed, makes described bending moment
Device locking, when the described engine speed of monitoring is less than described threshold engine speed, makes described torque-converters unlock.
Bull-dozer torque-converters the most according to claim 1 closes unlocking method, it is characterised in that described acquisition is closed at torque-converters
Under lock status, the step of the first corresponding relation data between secondary speed and turbine output moment of torsion is: obtain torque-converters in locking
The first parameter information under state, calculates secondary speed in the lockout condition according to described first parameter information and turns round with turbine output
The first corresponding relation data between square.
Bull-dozer torque-converters the most according to claim 2 closes unlocking method, it is characterised in that the described torque-converters of described acquisition
The step of the second corresponding relation data between secondary speed and turbine output moment of torsion is in the unlocked state: obtain described bending moment
Device the second parameter information in the unlocked state, calculates secondary speed and whirlpool in the unlocked state according to described second parameter information
The first corresponding relation data between wheel output moment of torsion.
4. a bull-dozer torque-converters closes solution lock control device, it is characterised in that including:
Blocking turbine data acquisition module, obtains between torque-converters secondary speed in the lockout condition and turbine output moment of torsion
The first corresponding relation data；
Released state turbine data acquisition module, is used for obtaining described torque-converters secondary speed in the unlocked state and exports with turbine
The second corresponding relation data between moment of torsion；
Critical secondary speed searches module, is used for searching in described first corresponding relation data and described second corresponding relation data
The crossover point secondary speed that crossover point is corresponding；
Threshold engine speed acquisition module, right for according between described secondary speed set in advance and engine speed
Answer relation data, calculate the threshold engine speed that described crossover point secondary speed is corresponding；
Status control module, is used for monitoring engine speed, when the described engine speed of monitoring is more than described critical engine
During rotating speed, make described torque converter locking, when the described engine speed of monitoring is less than described threshold engine speed, make described
Torque-converters unlocks.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791985.3A CN106122419B (en) | 2016-08-31 | 2016-08-31 | A kind of bull-dozer torque-converters closes unlock control method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791985.3A CN106122419B (en) | 2016-08-31 | 2016-08-31 | A kind of bull-dozer torque-converters closes unlock control method and device |
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| Publication Number | Publication Date |
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| CN106122419A true CN106122419A (en) | 2016-11-16 |
| CN106122419B CN106122419B (en) | 2018-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10745886B2 (en) | 2018-06-08 | 2020-08-18 | Deere & Company | Torque converter control based on work vehicle parameters |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60136662A (en) * | 1983-12-24 | 1985-07-20 | Nissan Motor Co Ltd | Output torque detector for torque converter |
| CN102518794A (en) * | 2011-12-30 | 2012-06-27 | 山推工程机械股份有限公司 | Method and device for shift control of engineering mechanical trucks |
| CN102644729A (en) * | 2012-04-28 | 2012-08-22 | 山推工程机械股份有限公司 | Locking and unlocking method and locking and unlocking system of hydraulic torque converter and engineering machine for traction work |
| CN102661387A (en) * | 2012-04-28 | 2012-09-12 | 山推工程机械股份有限公司 | Locking and unlocking method and system of hydraulic torque converter and construction machine used for hauling |
| CN104989802A (en) * | 2015-07-15 | 2015-10-21 | 长安大学 | Locking and unlocking method and locking and unlocking system for locking type hydraulic torque converter of bulldozer |
-
2016
- 2016-08-31 CN CN201610791985.3A patent/CN106122419B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60136662A (en) * | 1983-12-24 | 1985-07-20 | Nissan Motor Co Ltd | Output torque detector for torque converter |
| CN102518794A (en) * | 2011-12-30 | 2012-06-27 | 山推工程机械股份有限公司 | Method and device for shift control of engineering mechanical trucks |
| CN102644729A (en) * | 2012-04-28 | 2012-08-22 | 山推工程机械股份有限公司 | Locking and unlocking method and locking and unlocking system of hydraulic torque converter and engineering machine for traction work |
| CN102661387A (en) * | 2012-04-28 | 2012-09-12 | 山推工程机械股份有限公司 | Locking and unlocking method and system of hydraulic torque converter and construction machine used for hauling |
| CN104989802A (en) * | 2015-07-15 | 2015-10-21 | 长安大学 | Locking and unlocking method and locking and unlocking system for locking type hydraulic torque converter of bulldozer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10745886B2 (en) | 2018-06-08 | 2020-08-18 | Deere & Company | Torque converter control based on work vehicle parameters |
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| CN106122419B (en) | 2018-11-02 |
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