CN207846175U - A kind of milling mechanism walking anti-slip hydraulic control system - Google Patents
A kind of milling mechanism walking anti-slip hydraulic control system Download PDFInfo
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- CN207846175U CN207846175U CN201721844134.7U CN201721844134U CN207846175U CN 207846175 U CN207846175 U CN 207846175U CN 201721844134 U CN201721844134 U CN 201721844134U CN 207846175 U CN207846175 U CN 207846175U
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- milling mechanism
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Abstract
The utility model discloses a kind of milling mechanism walking anti-slip hydraulic control systems, preceding left wheel, front right wheel, rear left wheel, the front left running motor of rear right wheel, front right running motor, rear left running motor and rear right running motor are driven including corresponding, further includes front left steering cylinder and rear left steering cylinder；It is respectively integrated with a speed probe on front left running motor, front right running motor, rear left running motor and rear right running motor；Front left steering cylinder is integrated with displacement sensor, and rear left steering cylinder is integrated with displacement sensor.The utility model can realize milling mechanism walking anti-slip control, can effectively promote the hauling ability of complete machine, improve operating efficiency, promote operation quality, improve the driving capability of complete machine under cross-country operating mode, improve complete machine stationarity.
Description
Technical field
The utility model is related to a kind of milling mechanism walking anti-slip control systems, belong to anti-sliding control technical field.
Background technology
Milling mechanism is the special mechanical equipment of highways and urban roads maintenance work, is widely used in highway, airport, code
The excavation of the asphalt concrete pavements such as head, parking lot overhauls, the road rehabilitation under the removing of pavement disease and roadbed damaged condition
Deng.The transfer of adhesion weight when due to the attachment condition difference on milling mechanism construction road surface itself, the vestiges of sleet, ramp driving
Deng the difference that can all cause the attachment coefficient between each driving wheel, the wheel for causing adhesion weight smaller easily has skidded, makes whole
The hauling ability of machine reduces, so as to cause the work efficiency drop of complete machine.It is most of at present that anti-sliding control is realized using flow divider,
Power attenuation is larger and high expensive.
Utility model content
For above-mentioned existing issue, the utility model provides a kind of milling mechanism walking anti-slip control system, the system
It trackslips for complete machine hoofing part and is measured in real time judgement, and the releasing after starting anti-sliding control and trackslipping.And acquire hair
The relevant parameter of motivation and traveling pump assists Slip control, the displacement sensor by being built in steering cylinder to acquire relevant turn
To parameter, judgement of trackslipping is participated in, the application of milling mechanism walking anti-slip control system can greatly promote the traction of complete machine
Performance, to effectively improve overall operation efficiency.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of milling mechanism walking anti-slip hydraulic control system, including left wheel, front right wheel, rear left before corresponding driving
The front left running motor of wheel, rear right wheel（8）, front right running motor（5）, rear left running motor（16）With rear right running motor
（19）, further include front left steering cylinder（12）With rear left steering cylinder（14）；
The front left running motor（8）, front right running motor（5）, rear left running motor（14）With rear right running motor
（17）On be respectively integrated with a speed probe；
Front left steering cylinder（12）, rear left steering cylinder（14）It is upper to be integrated with a displacement sensor respectively.
The front left running motor（8）, front right running motor（5）, rear left running motor（16）With rear right running motor
（19）On be respectively integrated with an electric proportional valve.
It further include a traveling pump（2）, the traveling pump（2）On be integrated with electric proportional valve and speed probe.
When complete machine straight-line travelling, what the integrated each speed probe of front left, front right, rear left, rear right running motor was detected
Each running motor rotating speed is conveyed into controller（11）.
The controller calculates corresponding each wheel reference rotating speed according to each running motor rotating speed, and practical with each wheel
Rotating speed is compared in real time, is judged trackslipping for complete machine straight travel state according to comparison result.
When complete machine Turning travel, the integrated displacement sensor of front left steering cylinder（13）, the integrated position of rear left steering cylinder
Displacement sensor（15）Each turn that the displacement of measured two steering cylinder and front left, front right, rear left, rear right running motor are integrated
Each running motor rotating speed that fast sensor is detected is conveyed into controller（11）.
The controller calculates the real-time reference rotating speed of corresponding each wheel according to displacement and rotating speed, and with each wheel
Actual speed compares in real time, and trackslipping when according to comparison result to complete machine Turning travel judges.
Controller is carried out by controlling the discharge capacity of a certain trackslip wheel or certain corresponding running motor of two wheels that trackslip
Slip control.
When the speed of complete machine straight-line travelling is less than 30m/min, if the actual speed and ginseng of a certain wheel or certain two wheel
Examine the overproof mistake 30% of rotating speed and it is for 2 seconds above when, be judged to trackslipping；
When the speed of complete machine straight-line travelling is greater than or equal to 30m/min, when the reality of a certain wheel or certain two wheel turns
Speed is judged to trackslipping with the overproof mistake 30% of reference rotation velocity and when continuing 2 turns or more.
It is first determined whether normal direction of rotation, if while turning to, the speed discrepancy of a certain wheel or certain two wheel surmounts
The 30% of real-time reference rotating speed, and when complete machine speed is less than 30m/min, it is for 2 seconds to be more than above or in complete machine travel speed
Or when equal to 30m/min, when continuing 2 turns or more, it is judged to trackslipping；
After controller judges a certain wheel or certain two wheel slip, by controlling a certain wheel or certain two cunning of trackslipping
Change trains or buses wheel running motor on integrate electric proportional valve electric current, reduce the running motor discharge capacity carry out Slip control.
The utility model has the beneficial effects that：
（1）The effective performance for promoting complete machine tractive force, prevents from skidding；
（2）Operating efficiency is improved, operation quality is promoted, improves the driving capability of complete machine under cross-country operating mode, it is flat to improve complete machine
Stability.
Description of the drawings
Fig. 1 is milling mechanism walking anti-slip control system principle schematic.
Specific implementation mode
As shown in Figure 1, the utility model milling mechanism walk anti-slip control system, including engine 1, traveling pump 2,
Front left running motor 8, front right running motor 5, rear left running motor 16, rear right running motor 19, controller 11, front left steering oil
Cylinder 12, rear left steering cylinder 14.
The traveling pump 2 is integrated with electric proportional valve 4 and speed probe 3, and front left running motor 8 is integrated with electric proportional valve
10 and speed probe 9, front right running motor 5 is integrated with electric proportional valve 7 and speed probe 6, and rear left running motor 16 is integrated
There are electric proportional valve 17 and speed probe 18, rear right running motor 19 to be integrated with electric proportional valve 20 and speed probe 21.
Front left steering cylinder 12 is integrated with displacement sensor 13, and rear left steering cylinder 14 is integrated with displacement sensor 15.
When complete machine straight-line travelling, pair that the integrated speed probe of front left, front right, rear left, rear right running motor is detected
Each running motor rotating speed answered is conveyed into controller 11, and the wheel reference rotating speed of each running motor driving is calculated by controller,
And compared with being carried out in real time with each wheel actual speed, the judgement of trackslipping of complete machine straight travel state is realized.
When complete machine Turning travel, the integrated displacement of the integrated displacement sensor 13 of front left steering cylinder, rear left steering cylinder
The revolution speed sensing that sensor 15 integrates the displacement of measured two steering cylinder, front left, front right, rear left, rear right running motor
Each running motor rotating speed that device is detected is conveyed into controller 11, calculates the real-time reference rotating speed of each wheel, and with each wheel
Actual speed compares in real time, realizes the judgement of trackslipping when complete machine Turning travel.
After controller judges a certain wheel or certain two wheel slip, by controlling a certain wheel or certain two cunning of trackslipping
Change trains or buses wheel running motor discharge capacity carry out Slip control.
The Slip control can also control the discharge capacity for controlling traveling pump 2 as auxiliary, and fully ensure that Slip control has
Effect property.
The Slip control can control the discharge capacity of the motor of its excess-three or two non-slip wheels of changing trains or buses, may be implemented simultaneously
While Slip control, the tractive force of complete machine is effectively promoted.
Controller real-time judgment trackslips, after the releasing of a certain wheel slip, by controlling front left, front right, rear left, rear right lateral
Walk motor, traveling pump realizes that Slip control releases.
Further include engine 1, it can be by reducing engine speed, for carrying out anti-skidding auxiliary control.
Further include detecting the high and low lateral pressure of traveling pump simultaneously, four running motor high and low pressure lateral pressures are used for monitoring in real time
Machine's drive situation, by being mounted on the high and low side of traveling pump, the pressure sensor of four running motor high and low pressure sides is supervised in real time
Its relevant pressure is surveyed, as the boundary condition for starting slip-resistant against foot traffic control.Pressure is less than or surmounts a certain limitation, that is, closes walking
Anti-sliding control.
The utility model is suitable for milling mechanism, when complete machine straight-line travelling, front left, front right, rear left, rear right running motor collection
At each running motor rotating speed for being detected of speed probe be conveyed into controller 11, calculating each wheel reference by controller turns
Speed, and compared with actual speed progress in real time.When the speed of complete machine straight-line travelling is slower, that is, is less than 30m/min, if a certain vehicle
Actual speed and the reference rotation velocity overproof 30% of wheel or certain two wheel and it is for 2 seconds above when, be judged to trackslipping；When complete machine is straight
The speed of line traveling is very fast, that is, when being greater than or equal to 30m/min, when the actual speed and reference of a certain wheel or certain two wheel
Rotating speed overproof 30% and when continuing 2 turns or more, is judged to trackslipping；
When complete machine Turning travel, the integrated displacement of the integrated displacement sensor 13 of front left steering cylinder, rear left steering cylinder
Sensor 15 is examined the displacement of measured two steering cylinder, front left, front right, rear left, rear right running motor speed probe
Each running motor rotating speed surveyed is conveyed into controller 11, calculates the real-time reference rotating speed of each wheel, and with practical turn of each wheel
Fast to compare in real time, it is first determined whether normal direction of rotation, if while turning to, the speed discrepancy of a certain wheel or certain two wheel is super
More the 30% of real-time reference rotating speed, and when complete machine speed is less than 30m/min, it is for 2 seconds above or big in complete machine travel speed
When 30m/min, when continuing 2 turns or more, it is judged to trackslipping.Controller judges a certain wheel or certain two wheel slip
Afterwards, by controlling the electric current of the electric proportional valve of the running motor of a certain trackslip wheel or certain two wheel that trackslip, reduce the motor
Discharge capacity carries out Slip control.
The Slip control can also will reduce the discharge capacity of traveling pump by the electric current of the electric proportional valve 4 of control traveling pump 2
It is controlled as auxiliary, fully ensures that timely, the validity of Slip control.
The Slip control can control the electric proportional valve electric current of the motor of its excess-three or two non-slip wheels of changing trains or buses simultaneously,
Increase its discharge capacity, wherein the increased amplitude of running motor discharge capacity should be trackslip side running motor discharge capacity reduce amplitude five/
One, while realizing Slip control, effectively promote the tractive force of complete machine.
Controller real-time judgment trackslips, and after the releasing of a certain wheel slip, and stablizes 3 seconds or more, by controlling front left, preceding
The integrated electric proportional valve of the integrated electric proportional valve of the right side, rear left, rear right running motor, traveling pump realizes that Slip control releases.Wherein
Original trackslip the increasing degree of side running motor discharge capacity when should be its anti-sliding control discharge capacity reduce 1/10th of amplitude, in addition its
The discharge capacity of remaining non-slip running motor of changing one's position is decreased to the state before anti-sliding control according to the amplification of anti-sliding control.
Further include engine 1, it can be by reducing engine speed, for carrying out anti-skidding auxiliary control.
Further include detecting the high and low lateral pressure of traveling pump simultaneously, four running motor high and low pressure lateral pressures are used for monitoring in real time
Machine's drive situation, four running motor high and low pressure lateral pressures are used for monitoring machine's drive situation in real time, by being mounted on walking
High and low side is pumped, the pressure sensor of four running motor high and low pressure sides monitors its relevant pressure in real time, anti-as walking is started
The boundary condition of slip control.Pressure is less than or surmounts a certain limitation, that is, closes walking anti-sliding control.
Claims (6)
- Left wheel, front right wheel, rear left vehicle before the anti-slip hydraulic control system 1. a kind of milling mechanism is walked, including corresponding driving The front left running motor of wheel, rear right wheel（8）, front right running motor（5）, rear left running motor（16）With rear right running motor （19）, further include front left steering cylinder（12）With rear left steering cylinder（14）；The front left running motor（8）, front right running motor（5）, rear left running motor（16）With rear right running motor（19） On be respectively integrated with a speed probe；Front left steering cylinder（12）, rear left steering cylinder（14）It is upper to be integrated with a displacement sensor respectively.
- The anti-slip hydraulic control system 2. milling mechanism according to claim 1 is walked, which is characterized in that the front left Running motor（8）, front right running motor（5）, rear left running motor（16）With rear right running motor（19）On be respectively integrated with One electric proportional valve.
- The anti-slip hydraulic control system 3. milling mechanism according to claim 1 is walked, which is characterized in that further include a line Walk pump（2）, the traveling pump（2）On be integrated with electric proportional valve and speed probe.
- The anti-slip hydraulic control system 4. milling mechanism according to claim 1 is walked, which is characterized in that complete machine linear rows When sailing, each running motor rotating speed that the integrated each speed probe of front left, front right, rear left, rear right running motor is detected transmits Enter controller（11）.
- The anti-slip hydraulic control system 5. milling mechanism according to claim 1 is walked, which is characterized in that complete machine turns to row When sailing, the integrated displacement sensor of front left steering cylinder（13）, the integrated displacement sensor of rear left steering cylinder（15）It will be surveyed Two steering cylinders displacement and the integrated each speed probe of front left, front right, rear left, rear right running motor detected it is each Running motor rotating speed is conveyed into controller（11）.
- The anti-slip hydraulic control system 6. milling mechanism according to claim 4 or 5 is walked, which is characterized in that controller By the discharge capacity progress Slip control for controlling a certain trackslip wheel or certain corresponding running motor of two wheels that trackslip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844134.7U CN207846175U (en) | 2017-12-26 | 2017-12-26 | A kind of milling mechanism walking anti-slip hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844134.7U CN207846175U (en) | 2017-12-26 | 2017-12-26 | A kind of milling mechanism walking anti-slip hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207846175U true CN207846175U (en) | 2018-09-11 |
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ID=63418596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721844134.7U Active CN207846175U (en) | 2017-12-26 | 2017-12-26 | A kind of milling mechanism walking anti-slip hydraulic control system |
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| CN (1) | CN207846175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252190A (en) * | 2017-12-26 | 2018-07-06 | 徐州徐工筑路机械有限公司 | A kind of milling mechanism walking anti-slip hydraulic control system |
| CN109577154A (en) * | 2018-12-11 | 2019-04-05 | 江苏山河机电技术有限公司 | A kind of anti-slip control system of milling machine hydraulic moving and go to action |
-
2017
- 2017-12-26 CN CN201721844134.7U patent/CN207846175U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252190A (en) * | 2017-12-26 | 2018-07-06 | 徐州徐工筑路机械有限公司 | A kind of milling mechanism walking anti-slip hydraulic control system |
| CN108252190B (en) * | 2017-12-26 | 2023-11-21 | 徐州徐工筑路机械有限公司 | Milling machinery walking anti-slip hydraulic control system |
| CN109577154A (en) * | 2018-12-11 | 2019-04-05 | 江苏山河机电技术有限公司 | A kind of anti-slip control system of milling machine hydraulic moving and go to action |
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