CN103741575B - A kind of milling machine control system and milling machine - Google Patents
A kind of milling machine control system and milling machine Download PDFInfo
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- CN103741575B CN103741575B CN201310706712.0A CN201310706712A CN103741575B CN 103741575 B CN103741575 B CN 103741575B CN 201310706712 A CN201310706712 A CN 201310706712A CN 103741575 B CN103741575 B CN 103741575B
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Abstract
The present invention proposes a kind of milling machine control system, for milling machine, comprise controller and checkout gear, described controller is electrically connected with described checkout gear, described controller can be used for the travel speed controlling milling machine, can input or select the road-surface milling width of milling machine in described controller, described checkout gear comprises for detecting the first checkout gear of the milling machine milling degree of depth and the second detection device for detecting milling machine travel speed, and described controller can control the delivery rate of milling machine according to the milling doses of milling machine.The milling machine control system of this structure, can in real time, calculate accurately milling machine milling material side amount, and can according to milling doses adjustment milling machine delivery rate, when milling doses is more, delivery rate is faster.On the other hand, the present invention also proposes a kind of milling machine comprising above-mentioned milling machine control system.
Description
Technical field
The present invention relates to milling mechanism field, particularly a kind of milling machine control system and milling machine.
Background technology
Along with the fast development of economy, the pavement construction machineries such as milling machine have found broad application at present, and whether as classified from reclaiming milling material to milling machine, milling machine can be divided into the band milling machine of retracting device and the milling machine not with retracting device.Milling machine with retracting device is in road-surface milling process, and milling material, by after milling, by impelling on conveyer belt, then to be exported by conveyer belt, deliver in truck or impelling to vacant lot.For the delivery rate of milling machine, at present mainly through manually manipulating in good time, operation is comparatively complicated, wastes larger.
Application number is the Chinese patent of 200820034330.2, as shown in Figure 1, disclose a kind of automatic control device for discharge speed of pavement planing mill, include the two-stage belt conveyor that milling and planing drum working chamber 1 connects, drive two hydraulic motors 2 and a variable pump 5 of two-stage belt conveyor.Also be provided with the level sensor 4 above the conveying belt being arranged on second belt conveyer, level sensor 4 is connected with charge level controller 3, the Self Adaptive Control of milling machine discharge is realized by level sensor 4 signal control variables pump 5, also comprise a speed governing potentiometer in control circuit, speed governing potentiometer realizes Non-follow control through selector switch.
, there is following technical problem in the automatic control device for discharge speed of pavement planing mill of said structure.
First, control unreliable.Because the material-level measure degree of accuracy is relatively low, therefore, material level information inaccurate, it is unreliable to cause controlling.
Secondly, level sensor 4 is short for application life.Because the working environment of level sensor 4 is comparatively severe, therefore, application life is usually shorter.
Again, complicated operation.When milling machine works under special operation condition, need switching operation modes, and manually regulate speed governing potentiometer, therefore, operation is comparatively complicated.
In sum, how to provide a kind of operation comparatively for convenience of, can accurately calculate milling machine milling material side's amount and automatically can control the milling machine control system of delivery rate, and the milling machine containing this milling machine control system, become those skilled in the art to need the technical problem of solution badly.
Summary of the invention
In view of this, one of the problem to be solved in the present invention be how to provide a kind of operation comparatively for convenience of, can accurately calculate milling machine milling material side's amount and automatically can control the milling machine control system of delivery rate.
Two of the problem to be solved in the present invention how to provide a kind of milling machine comprising this milling machine control system above-mentioned.
For one of solving the problem, the present invention proposes a kind of milling machine control system, for milling machine, comprise controller and checkout gear, described controller is electrically connected with described checkout gear, described controller can be used for the travel speed controlling milling machine, the road-surface milling width of input or selection milling machine in described controller, described checkout gear comprises for detecting the first checkout gear of the milling machine milling degree of depth and the second detection device for detecting milling machine travel speed, and described controller can control the delivery rate of milling machine according to the milling doses of milling machine.
As the improvement on the one hand of a kind of milling machine control system of the present invention, described first checkout gear is displacement transducer, and institute's displacement sensors is for being arranged at the lift cylinder of milling machine.
As the improvement on the one hand of a kind of milling machine control system of the present invention, described first checkout gear is angular transducer, and described angular transducer is for being arranged at the lifting connecting rod of milling machine graded beam.
As the improvement on the one hand of a kind of milling machine control system of the present invention, described first checkout gear is proximity switch, and described proximity switch is for being arranged at described milling machine, and the quantity of described proximity switch is multiple.
As the improvement on the one hand of a kind of milling machine control system of the present invention, described second detection device is velocity sensor, and described velocity sensor is for being arranged at the running motor of milling machine.
As the improvement on the one hand of a kind of milling machine control system of the present invention, the milling width of milling machine can pre-enter and be stored in described controller, during operation, according to surface conditions input or can select different milling widths.
As the improvement on the one hand of a kind of milling machine control system of the present invention, described milling machine control system also comprises the operating mechanism for controlling milling machine feeding unit, by operating described operating mechanism, can accelerate the delivery rate of feeding unit.
As the improvement on the one hand of a kind of milling machine control system of the present invention, described operating mechanism is button, and described button is connected with described controller, and described controller is connected with the drive unit of described feeding unit, operate described button, the rotating speed of described drive unit can be changed.
The milling machine control system of said structure, for milling machine, comprise controller and checkout gear, controller is electrically connected with checkout gear, controller can be used for the travel speed controlling milling machine, can select the road-surface milling width of milling machine in controller, checkout gear comprises for detecting the first checkout gear of the milling machine milling degree of depth and the second detection device for detecting milling machine travel speed, and controller can control the delivery rate of milling machine according to the milling doses of milling machine.The milling machine control system of this structure, first checkout gear can detect the milling degree of depth of milling machine, second detection device detects the travel speed that can detect milling machine, and the milling width of milling machine can be selected from controller, and the milling doses of milling machine equals the milling degree of depth of milling machine, the travel speed of milling machine, the milling width of milling machine and the product of correction factor, therefore, the milling machine of above-mentioned milling machine control system is installed, can be real-time, calculate milling material side's amount of milling machine exactly, and can according to the delivery rate of milling doses adjustment milling machine, when milling doses is more, delivery rate is faster.
For solve the problem two, the present invention proposes a kind of milling machine, comprise graded beam, promote connecting rod, case and milling and planing drum, described case covers on described milling and planing drum, one end of described lifting connecting rod is connected with described case, and the other end of described lifting connecting rod is connected with graded beam, and described lifting connecting rod can control described grating depth of beam, described milling machine also comprises milling machine control system, and described milling machine control system is control system as above.
As the improvement on the one hand of a kind of milling machine of the present invention, described milling machine also comprises feeding unit and truck, and described feeding unit comprises hydraulic pump, the motor be communicated with described hydraulic pump, and by the conveyer belt of described motor driving, described conveyer belt is arranged at the side of described truck.
The milling machine of said structure, automaticity is high, easy to operate, automatically can control delivery rate according to plane doses.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 is the structural representation of a kind of automatic control device for discharge speed of pavement planing mill in correlation technique;
Fig. 2 is the control principle drawing of a kind of milling machine control system of the present invention;
Fig. 3 is a kind of milling machine control system of the present invention special operation condition control principle drawing;
Fig. 4 is the structural representation of a kind of milling machine of the present invention;
Fig. 5 is part-structure schematic diagram in Fig. 4.
In Fig. 1, the corresponding relation of Reference numeral is:
1 milling and planing drum working chamber 2 hydraulic motor 3 charge level controller
4 level sensor 5 variable pumps
In Fig. 4 to Fig. 5, the corresponding relation of Reference numeral is:
1 case 2 milling and planing drum 3 promotes connecting rod
4 graded beam 5 angular transducers
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Milling machine control system as shown in Figure 2, for milling machine, comprise controller and checkout gear, controller is electrically connected with checkout gear, checkout gear comprises the first checkout gear and second detection device, first checkout gear is for detecting the milling degree of depth of milling machine road pavement, second detection device is for detecting milling machine travel speed, controller can control the travel speed of milling machine, and, the milling width of milling machine road pavement can be divided into multiple gear, and pre-enter in controller, during construction, can directly select gear just can realize corresponding milling width.For convenience of description, milling degree of depth h represents, milling machine travel speed v represents, road-surface milling width b represents.
In technique scheme, in one embodiment, first checkout gear is displacement transducer, displacement transducer specifically for being arranged on the lift cylinder of milling machine, as shown in Figure 4, when lift cylinder promote graded beam 4 time, lift cylinder shrinks, the terrain clearance of graded beam 4 changes thereupon, and the amount of contraction of lift cylinder is the terrain clearance of graded beam 4, can be recorded the displacement of graded beam 4 by this displacement transducer.It should be noted that, in operation process, lift cylinder can't initiatively stretch, and graded beam 4 is in quick condition, is close on ground under its Action of Gravity Field.When milling and planing drum 2 milling road surface, complete machine declines gradually relative to ground, and graded beam 4 is constant relative to the height on ground, assuming that complete machine height is fixing, then for complete machine, the height of lift cylinder improves, i.e. the passive contraction of lift cylinder, and its amount of contraction is exactly the milling degree of depth of milling machine.
In another kind of embodiment, first checkout gear can also be angular transducer 5, angular transducer 5 can be arranged at lifting connecting rod 3 side of milling machine, as shown in Figure 4 and shown in Fig. 5, the case 1 promoting one end and the milling machine of connecting rod 3 is hinged, and the other end and the graded beam 4 that promote connecting rod 3 are hinged, when lift cylinder lifting graded beam 4, promoting connecting rod 3 around the passive rotation of case 1, the hoisting depth of graded beam 4 can be recorded by measuring the anglec of rotation promoting connecting rod 3.
In the third embodiment, first checkout gear can also be proximity switch, and proximity switch is arranged on milling machine, and proximity switch can detect the position of graded beam 4 or promote the position of connecting rod 3, by detecting proximity switch signal, the terrain clearance of graded beam 4 equally also can be detected.It should be noted that, for ensureing the accuracy detected, the quantity of proximity switch can be multiple.
In technique scheme, second detection device is velocity sensor, and milling machine comprises running gear, and running gear comprises running motor, and velocity sensor is arranged on running motor, for detecting the travel speed of running motor, i.e. and the travel speed of milling machine.
The road-surface milling width of milling machine, can select according to surface conditions, milling doses V as milling machine represents, then V=h × v × b × k, wherein, k is correction factor, the occurrence of k is relevant with the density of milling material, can manual input control device or directly select from controller, i.e. the milling doses of milling machine, equals the product of the road-surface milling width of the hoisting depth of graded beam 4, the travel speed of milling machine and milling machine.When V is larger, illustrate that milling doses is larger, now, controller can accelerate the delivery rate of milling machine, and on the contrary, if V is less, controller then can reduce the delivery rate of milling machine.
In technique scheme, for realizing quick conveying, realize quick material casting and cloth further, as shown in Figure 3, milling machine control system also comprises operating mechanism, by operating this operating mechanism, can accelerate the delivery rate of feeding unit.Particularly, operating mechanism can be button, and button is connected with controller, and controller is electrically connected with the drive unit of feeding unit, when drive unit is electric pump, by operating this button, the electric current flowing through electric pump can be changed, as pressed this button, the electric current flowing through electric pump can strengthen, the rotating speed of electric pump can be accelerated, and now, the delivery rate of feeding unit also can be accelerated along with the quickening of electric pump rotating speed.It should be noted that, drive unit can also adopt hydraulic system, by strengthening the flow of the hydraulic oil of the CD-ROM drive motor of hydraulic system or reducing the discharge capacity of hydraulic motor, to accelerate the rotating speed of CD-ROM drive motor, also can accelerate the delivery rate of feeding unit.
It should be noted that, the mode of operation of button can be varied, as usual by this button, and the rotating speed of electric pump can constantly be accelerated.Button also can be rocker switch, and as pressed this rocker switch, electric pump rotating speed rises, and delivery rate is accelerated.It should be noted that, the set-up mode of button can be varied, do not do concrete restriction at this.
The milling machine control system of said structure, tool has the following advantages:
First, milling material side's amount can accurately, reliably be calculated.The milling machine control system of said structure, first checkout gear can detect the milling degree of depth of milling machine, second detection device detects the travel speed that can detect milling machine, and the milling width of milling machine can be selected from controller, and the milling doses of milling machine equals the product of the road-surface milling degree of depth of milling machine, the travel speed of milling machine, the milling width of milling machine and correction factor, therefore, the milling machine of above-mentioned milling machine control system is installed, can in real time, calculate accurately milling machine milling material side amount.
Secondly, the delivery rate of milling machine can automatically be controlled.The milling machine control system of said structure, control system can control the delivery rate of the feeding unit of milling machine automatically according to milling material side's amount, when milling doses is large, delivery rate is faster, otherwise then delivery rate is slower.
Again, quick material casting and cloth can be realized.The milling machine control system of said structure, changes the delivery rate of feeding unit, particularly by manipulation operations mechanism, the electric pump electric current of feeding unit is changed by operation push-button, thus change the rotating speed of electric pump, reach quick conveying, realize the object of quick material casting and cloth.
On the other hand, the present invention also proposes a kind of milling machine, specifically as shown in Figures 4 and 5, comprise graded beam 4, promote connecting rod 3, case 1 and milling and planing drum 2, case 1 covers on milling and planing drum 2, one end of hoisting mechanism is connected with case 1, and the other end of hoisting mechanism is connected with graded beam 4, and hoisting mechanism can control the height of graded beam 4; Milling machine also comprises milling machine control system, and particularly, milling machine control system is milling machine control system as above.
Technique scheme, milling machine also comprises feeding unit and truck, and feeding unit comprises electric pump, the motor be electrically connected with electric pump, and by the conveyer belt of motor driving, conveyer belt is arranged at the side of described truck, during conveying, material realizes material casting and cloth through this conveyer belt.
The milling machine of said structure, correspondingly, has the advantage of the aspects such as automaticity is high, easy to operate.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a milling machine control system, for milling machine, comprise controller and checkout gear, described controller is electrically connected with described checkout gear, it is characterized in that, described controller is for controlling the travel speed of milling machine, can input or select the road-surface milling width of milling machine in described controller, described checkout gear comprises for detecting the first checkout gear of the milling machine milling degree of depth and the second detection device for detecting milling machine travel speed, and described controller can control the delivery rate of milling machine according to the milling doses of milling machine.
2. milling machine control system according to claim 1, is characterized in that, described first checkout gear is displacement transducer, and institute's displacement sensors is for being arranged at the lift cylinder of milling machine.
3. milling machine control system according to claim 1, is characterized in that, described first checkout gear is angular transducer (5), and described angular transducer (5) is for being arranged at the lifting connecting rod (3) of milling machine graded beam (4).
4. milling machine control system according to claim 1, is characterized in that, described first checkout gear is proximity switch, and described proximity switch is for being arranged at described milling machine, and the quantity of described proximity switch is multiple.
5. milling machine control system according to any one of claim 1 to 4, is characterized in that, described second detection device is velocity sensor, and described velocity sensor is for being arranged at the running motor of milling machine.
6. milling machine control system according to claim 5, is characterized in that, the milling width of milling machine can pre-enter and be stored in described controller, during operation, according to surface conditions input or can select different milling widths.
7. milling machine control system according to claim 6, is characterized in that, described milling machine control system also comprises the operating mechanism for controlling milling machine feeding unit, by operating described operating mechanism, can accelerate the delivery rate of feeding unit.
8. milling machine control system according to claim 7, is characterized in that, described operating mechanism is button, described button is connected with described controller, described controller is electrically connected with the drive unit of described feeding unit, operates described button, can change the rotating speed of described drive unit.
9. a milling machine, comprise graded beam (4), promote connecting rod (3), case (1) and milling and planing drum (2), described case (1) covers on described milling and planing drum (2), one end of described lifting connecting rod (3) is connected with described case (1), the other end of described lifting connecting rod (3) is connected with graded beam (4), described lifting connecting rod (3) can control the height of described graded beam (4), described milling machine also comprises milling machine control system, it is characterized in that, the control system of described milling machine control system according to any one of claim 1 to 8.
10. milling machine according to claim 9, it is characterized in that, described milling machine also comprises feeding unit and truck, described feeding unit comprises drive unit, the motor be connected with described drive unit, and by the conveyer belt of described motor driving, described conveyer belt is arranged at the side of described truck.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104164831A (en) * | 2014-08-19 | 2014-11-26 | 柳工无锡路面机械有限公司 | Milling wheel speed regulating system of cold milling machine for pavement |
| US9464391B2 (en) | 2014-08-29 | 2016-10-11 | Caterpillar Paving Products Inc. | Cold planer having independently controlled conveyors |
| US9938674B2 (en) * | 2015-05-27 | 2018-04-10 | Caterpillar Paving Products Inc. | Cold planer transport payload monitoring system |
| CN105544365A (en) * | 2015-12-08 | 2016-05-04 | 湖南三一路面机械有限公司 | Milling machine watering amount control method and milling machine |
| CN108570912A (en) * | 2018-05-15 | 2018-09-25 | 徐州徐工筑路机械有限公司 | A kind of milling machine production calculation system and method based on RTK |
| CN109085771B (en) * | 2018-08-24 | 2021-07-16 | 山推工程机械股份有限公司 | Milling machine control system and control method |
| CN110965443A (en) * | 2019-12-30 | 2020-04-07 | 三一汽车制造有限公司 | Milling machine and control method of milling machine |
| CN111676785B (en) * | 2020-07-03 | 2022-03-18 | 三一汽车制造有限公司 | Material conveying control method of milling machine, material conveying control system of milling machine and milling machine |
| CN111979874B (en) * | 2020-07-17 | 2022-01-18 | 江苏集萃道路工程技术与装备研究所有限公司 | Material adding control system and method for in-situ remixer |
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Denomination of invention: Milling machine and control system thereof Effective date of registration: 20181227 Granted publication date: 20160406 Pledgee: Business Department of Hunan Branch of China Construction Bank Co., Ltd. Pledgor: Hunan Sany Road Machinery Co., Ltd. Registration number: 2018430000145 |
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Effective date of registration: 20220317 Address after: 413000 Sany Yiyang Industrial Park, Eastern New District, Yiyang high tech Zone, Yiyang City, Hunan Province Patentee after: Hunan Sany Zhongyi Machinery Co.,Ltd. Address before: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan Patentee before: HUNAN SANY ROAD MACHINERY Co.,Ltd. |