CN201915327U - Paver and leveling control system thereof - Google Patents
Paver and leveling control system thereof Download PDFInfo
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- CN201915327U CN201915327U CN2010206851423U CN201020685142U CN201915327U CN 201915327 U CN201915327 U CN 201915327U CN 2010206851423 U CN2010206851423 U CN 2010206851423U CN 201020685142 U CN201020685142 U CN 201020685142U CN 201915327 U CN201915327 U CN 201915327U
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Abstract
The utility model discloses a paver and a leveling control system thereof. The leveling control system of the disclosed paver comprises two detectors, two controllers, two actuating elements and an input/output unit, the two controllers are connected with each other through interactive ends, and the input/output unit is connected with the second interactive end of one of the controllers. When the leveling control system is utilized, since the two controllers are connected with each other through the interactive ends, the first controller can acquire the information acquired by the second detector, the second controller also can acquire the information acquired by the first detector, and consequently, the interaction between the detection results of the two detectors can be realized; meanwhile, since the two controllers are connected with each other through the interactive ends, only one input/output unit connected with the first controller is needed to control the input and output of the data of the whole leveling control system, consequently, the control structure of the leveling control system is simplified, and the cost of the leveling control system is reduced.
Description
Technical field
The utility model relates to a kind of paver technology, and particularly a kind of levelling control system of paver also relates to a kind of paver that comprises this levelling control system.
Background technology
For paver, keeping the planeness of paving concrete pavement is one of important content of paver work, and therefore, the levelling control system is the important component part of paver.The levelling control system comprises checkout gear, controller, executive component and input/output unit.Checkout gear (being generally sensor) is used to detect the predefined parameter in paver screed precalculated position; Checkout gear can be the longitudinal gradient checkout gear that detects the vertical height change in precalculated position, also can be to detect the horizontal wall inscription checkout gear that the screed lateral angles changes.Controller judges whether to revise the position of screed according to the testing result of predetermined policy and checkout gear; , transmit control signal when being in judged result to executive component.Executive component is generally the hydraulic system that comprises control valve and levelling oil cylinder, and this hydraulic system can stretch out the levelling oil cylinder according to the control signal that controller sends or withdraw, and changes the state of screed, revises the position of screed.Input/output unit links to each other with controller, is generally man-machine interaction/display, can export the data of paver by man-machine interaction/display, so that operating personnel monitor in real time to paver; Can also import relevant parameter,, set parameters such as elemental height, adjustable range with according to paving on-site actual situations.Current, two kinds of levelling control systems that operating principle is different are arranged.
Please refer to Fig. 1, this figure is the structured flowchart of a kind of levelling control system in the prior art.In this levelling control system, comprise two control device, be called the first longitudinal gradient control device and the second longitudinal gradient control device.The first longitudinal gradient control device comprises the first longitudinal gradient checkout gear 111, first controller 112, first executive component 113 and first input/output unit 114; The second longitudinal gradient control device comprises the second longitudinal gradient checkout gear 121, second controller 122, second executive component 123 and second input/output unit 124.The first longitudinal gradient checkout gear 111 and the second compressional wave checkout gear 121 are installed in the paver screed both sides respectively, are used to detect the vertical height change of paver screed both sides on direction of advance; First executive component 113 and second executive component 123 are controlled the height of screed both sides respectively; First controller 112 and second controller 122 can be controlled first executive component 113 and second executive component 123 according to the testing result of the first longitudinal gradient checkout gear 111 and the second compressional wave checkout gear 121 respectively; And then by the vertical control highly in screed both sides is realized the smooth of paving concrete pavement.
Please refer to Fig. 2, this figure is the structured flowchart of another kind of levelling control system in the prior art.In this levelling control system, comprise two control device, be respectively longitudinal gradient control device and horizontal wall inscription control device; The longitudinal gradient control device comprises longitudinal gradient checkout gear 211, first controller 212, first executive component 213 and first input/output unit 214; The horizontal wall inscription control device comprises horizontal wall inscription checkout gear 221, second controller 222, second executive component 223 and second input/output unit 224.Longitudinal gradient checkout gear 211 is installed in screed front portion or rear portion, and to detect vertical height change of screed, shear wave checkout gear 221 is installed in the screed horizontal direction, is used to detect the lateral angles variation of screed; First executive component 213 and second executive component 223 are controlled the lateral angles of vertical height of screed and screed respectively; First controller 112 and second controller 122 are controlled first executive component 213 and second executive component 223 according to the testing result of longitudinal gradient checkout gear 211 and shear wave checkout gear 221 respectively.Like this, by to the screed precalculated position vertically the control of the control of height and screed lateral angles can realize control to screed, and then guarantee the smooth of paving concrete pavement.
According to foregoing description, as can be seen, in the existing levelling control system, need utilize two relatively independent control device respectively two parameters of screed to be controlled, also need the relevant parameter of two positions of two input/output unit output screeds; Operating personnel need control paver screed in real time by two input/output units.Because do not have the mutual of data between two control device, therefore, levelling control system of the prior art not only can not be carried out respective handling automatically according to the detection data of two checkout gears, causes levelling control system compliance to reduce; Also make the control structure more complicated of levelling control system, cause levelling control system cost to increase.
The utility model content
Therefore, a purpose of the present utility model is, provides a kind of levelling control system of paver, the compliance that this levelling control system is stronger; It is simple to have control structure simultaneously, lower-cost advantage.
Another purpose of the present utility model is to provide the paver that comprises above-mentioned levelling control system.
The levelling control system of the paver that the utility model provides comprises first checkout gear, second checkout gear, first controller, second controller, first executive component and second executive component, the input of described first controller links to each other with first executive component with first checkout gear respectively with output, the input of described second controller links to each other with second executive component with second checkout gear respectively with output, it is characterized in that, also comprise an input/output unit; First interaction end of described first controller links to each other with first interaction end of second controller; Described input/output unit links to each other with second interaction end of first controller, or links to each other with second interaction end of second controller.
Optionally, described first checkout gear comprises switching mechanism, and switching mechanism comprises intermeshing rack and pinion, and described tooth bar vertically extends.
Optionally, described first controller comprises rotation voltage transformation unit, rotation transformation collection decoding unit and processing unit, described rotation voltage transformation unit links to each other with the gear of switching mechanism, described rotation transformation is gathered decoding unit and is linked to each other with the rotation voltage transformation unit, and described processing unit is gathered decoding unit with the rotation transformation and linked to each other.
Optionally, described first controller also comprises memory cell, and described memory cell links to each other with described processing unit.
Optionally, described first controller comprises processing unit, driver element and driving signal output unit; Described first executive component comprises levelling oil cylinder and the electromagnetic valve that is connected on the levelling oil cylinder hydraulic oil circuit; Described driver element links to each other with processing unit, and described driving signal output unit links to each other with driver element, and the control end of described electromagnetic valve links to each other with the driving signal output unit.
Optionally, described first controller and second controller comprise processing unit respectively, and the processing unit of described first controller links to each other with the processing unit of second controller by the CAN bus.
Optionally, described input/output unit links to each other with second interaction end of described first controller by the CAN bus, or links to each other with second interaction end of described second controller by the CAN bus.
Optionally, described first controller comprises processing unit and system reset unit; Described system reset unit links to each other with processing unit.
Optionally, described first checkout gear and second checkout gear are the longitudinal gradient checkout gear, and perhaps, described first checkout gear is the longitudinal gradient checkout gear; Described second checkout gear is the horizontal wall inscription checkout gear.
The paver that the utility model provides comprises screed, also comprises above-mentioned any levelling control system, and described first checkout gear and second checkout gear are installed on the described screed.
Compared with prior art, the levelling control system of the paver that the utility model provides is except that having two checkout gears, two controllers and two executive components, be provided with an input/output unit, and two controllers link to each other by interaction end, and input/output unit links to each other with second interaction end of first controller.Utilize this levelling control system, because two controllers link to each other by interaction end, first controller can obtain the information that second checkout gear obtains, second controller also can obtain the information that first checkout gear obtains, so just can realize the mutual of two checkout gear testing results, for the further processing of data message provides prerequisite, make the levelling control system carry out variation control to screed, improve the compliance of levelling control system; Simultaneously, owing to link to each other by interaction end between two controllers, an input/output unit that links to each other with first controller is set just can realizes whole levelling control system data output and data input, and simplify the control structure of levelling control system, reduce the cost of levelling control system.
In further technical scheme, described first checkout gear comprises switching mechanism, and switching mechanism comprises rack and pinion.Vertical height change of screed can be converted to angle by switching mechanism and change, the vertical height change of screed be detected, can guarantee the reliability and the compliance that detect by frame for movement.
In further technical scheme, in described first controller, described rotation voltage transformation unit links to each other with the gear of switching mechanism, and described rotation transformation is gathered decoding unit and linked to each other with the rotation voltage transformation unit, and described processing unit is gathered decoding unit with the rotation transformation and linked to each other.By rotary transformer the angle of switching mechanism is changed to be converted to voltage analog signal, gather decoding unit by the rotation transformation again voltage analog signal is converted to data signal; The rotation transformation of rotation voltage transformation unit is gathered decoding unit be integrated in first controller, make first controller bear a sensing function, can guarantee the reliability and the accuracy of transducing signal like this.
In further technical scheme, also comprise memory cell, described memory cell links to each other with described processing unit.Utilize cell stores relevant parameter and configuration data, can prevent loss of data after the power down of levelling control system like this, and then can improve the compliance of levelling control system.
Description of drawings
Fig. 1 is the structured flowchart of a kind of levelling control system in the prior art;
Fig. 2 is the structured flowchart of another kind of levelling control system in the prior art;
Fig. 3 is the structured flowchart of the levelling control system that provides of the utility model embodiment;
Fig. 4 is in the levelling control system that provides of the utility model embodiment, the control principle schematic diagram of first controller.
The specific embodiment
Below in conjunction with accompanying drawing content of the present utility model is described in detail, the description of this part only is exemplary and explanatory, should any restriction not arranged to protection domain of the present utility model.
Please refer to 3, this figure is the structured flowchart of the levelling control system that provides of the utility model embodiment.
The levelling control system that embodiment provides comprises first checkout gear 311, second checkout gear 321, first controller 312, second controller 322, first executive component 313, second executive component 323 and an input/output unit 330.
First controller, 312 inputs link to each other with first executive component 313 with first checkout gear 311 respectively with output, and the input of second controller 322 links to each other with second executive component 323 with second checkout gear 321 respectively with output; First interaction end of first controller 312 links to each other with first interaction end of second controller 322, and input/output unit 330 links to each other with second interaction end of first controller 312.The described signal that is connected to links to each other, and can directly link to each other, and also can link to each other indirectly.
Compare with levelling control system of the prior art, the levelling control system that the utility model embodiment provides is provided with an input/output unit 330; And first controller 312 links to each other by interaction end with second controller 322, and input/output unit links to each other with an interaction end of first controller 312.When utilizing this levelling control system, because first controller 312 links to each other by interaction end with second controller 322, first controller 312 can obtain the information that second checkout gear 321 obtains by second controller 322, second controller 322 also can obtain the information that first checkout gear 321 obtains by first controller 312, so just can realize the mutual of two checkout gear testing results, and then, can be at first controller 312 or/and implant preset program in second controller 322, information to first checkout gear 311 and 321 acquisitions of second checkout gear is handled, improve the diversity of paver control mode, satisfy the working control needs, make the levelling control system have stronger compliance.Simultaneously, owing to link to each other by interaction end between first controller 312 and second controller 322, an input/output unit 330 that links to each other with first controller 312 is set, just can realize the output and the data input of data by an input/output unit 330, simplify the control structure of levelling control system, reduce the cost of levelling control system.Certainly, first controller 312 and second controller 321 only are for convenience of description, and described input/output unit 330 also can link to each other with second interaction end of second controller 322; In practice, input/output unit 330 can link to each other with any controller according to actual needs.
Please refer to Fig. 4, this figure is in the levelling control system that provides of the utility model embodiment, the control principle schematic diagram of first controller.Corresponding with the mapping device of first checkout gear 311, first controller 312 comprises rotation voltage transformation unit, rotation transformation collection decoding unit and processing unit; The rotation voltage transformation unit links to each other with the gear of switching mechanism, changes being converted to voltage analog signal with the angle that switching mechanism is obtained; The rotation transformation is gathered decoding unit and is linked to each other with the rotation voltage transformation unit, so that the voltage analog signal of rotation voltage transformation unit output is gathered and decoding processing, is converted to data signal.Processing unit is gathered decoding unit with the rotation transformation and is linked to each other, and handles with the data signal of the rotation transformation being gathered decoding unit output, obtains the vertical height in screed precalculated position, and according to predetermined strategy output appropriate control signals.In this example, processing unit determines whether to revise vertical height of screed according to the ratio between vertical high variable quantity in precalculated position and the vertical height change scope that presets, when determining to revise vertical height of screed, the output pwm control signal, the dutycycle of control signal is relevant with above-mentioned ratio, and then makes the action of the first levelling executive component 313 relevant with above-mentioned ratio.In this example, the rotation transformation of rotation voltage transformation unit is gathered decoding unit be integrated in first controller 312, make first controller 312 bear a sensing function, can guarantee the reliability and the accuracy of transducing signal like this.Certainly, also can utilize other checkout gears, obtain vertical height in screed precalculated position.In order to improve the accuracy of transducing signal, first controller 312 also is provided with the filter unit and the signal that are linked in sequence between rotation voltage transformation unit and rotation transformation collection decoding unit and follows the unit.
For reality drives first executive component 313, in this example, first controller 311 also comprises driver element and drives signal output unit; Driver element links to each other with processing unit, so that the control signal of processing unit output is amplified.Drive signal output unit and link to each other, export with the control signal after will amplifying with driver element.First executive component 313 comprises levelling oil cylinder and the electromagnetic valve that is connected on the levelling oil cylinder hydraulic oil circuit; The control end of electromagnetic valve links to each other with the driving signal output unit, and can change its through-flow flow according to the control signal that drives signal output unit output, makes the levelling oil cylinder flexible at a predetermined velocity, realizes the correction to the vertical height of screed.Certainly, according to actual needs, also can drive levelling oil cylinder or other execution units (as stepper motor, hydraulic motor or the like), revise vertical height of screed by other modes
In addition, first controller 311 also comprises the memory cell that links to each other with processing unit; So just can utilize cell stores relevant parameter and configuration data, prevent loss of data after the power down of levelling control system, and then can improve the compliance of levelling control system.
In this example, the processing unit of first controller 312 links to each other with the processing unit of second controller 322 by the CAN bus, links to each other with input/output unit 330 by the CAN bus simultaneously.As shown in Figure 4, first controller 312 also comprises CAN control and the driver element that links to each other with processing unit, with the CAN communication interface that is used for output data, links to each other with input/output unit 330; In order to reduce the interference of external signal, between CAN control and driver element and CAN communication interface, also be provided with the CAN isolated location to the transmission of first controller, 312 signals.
In order to guarantee the reliability of levelling control system work, first controller 312 also comprises the system reset unit; The system reset unit links to each other with processing unit; The system reset unit can be provided with watchdog circuit.Like this, when the levelling control system is made mistakes, can carry out hard reset to the levelling control system by the system reset unit.
As shown in Figure 4, first controller 312 also is provided with the power unit that electric energy is provided, and power unit comprises power input unit, isolated from power unit and power pack; The isolated from power unit is used for shielding system power subsystem and power supply input power supply, with the reliability that guarantees that first controller, 312 power supplys are supplied with.
On the basis that above-mentioned levelling control system is provided, the utility model also provides a kind paver, this paver comprises screed and above-mentioned any levelling control system, and first checkout gear 311 and second checkout gear 321 are installed on the screed, to detect the relevant parameter of screed.
It below only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the principle prerequisite that does not break away from the utility model description; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. the levelling control system of a paver, comprise first checkout gear (311), second checkout gear (321), first controller (312), second controller (322), first executive component (313) and second executive component (323), the input of described first controller (312) links to each other with first executive component (313) with first checkout gear (311) respectively with output, the input of described second controller (322) links to each other with second executive component (323) with second checkout gear (321) respectively with output, it is characterized in that, also comprise an input/output unit (330); First interaction end of described first controller (312) links to each other with first interaction end of second controller (322); Described input/output unit (330) links to each other with second interaction end of first controller (312), or links to each other with second interaction end of second controller (322).
2. the levelling control system of paver according to claim 1 is characterized in that, described first checkout gear (311) comprises that switching mechanism, switching mechanism comprise intermeshing rack and pinion, and described tooth bar vertically extends.
3. the levelling control system of paver according to claim 2, it is characterized in that, described first controller (312) comprises rotation voltage transformation unit, rotation transformation collection decoding unit and processing unit, described rotation voltage transformation unit links to each other with the gear of switching mechanism, described rotation transformation is gathered decoding unit and is linked to each other with the rotation voltage transformation unit, and described processing unit is gathered decoding unit with the rotation transformation and linked to each other.
4. the levelling control system of paver according to claim 3 is characterized in that, described first controller (312) also comprises memory cell, and described memory cell links to each other with described processing unit.
5. the levelling control system of paver according to claim 1 is characterized in that, described first controller (312) comprises processing unit, driver element and driving signal output unit; Described first executive component (313) comprises levelling oil cylinder and the electromagnetic valve that is connected on the levelling oil cylinder hydraulic oil circuit; Described driver element links to each other with processing unit, and described driving signal output unit links to each other with driver element, and the control end of described electromagnetic valve links to each other with the driving signal output unit.
6. according to the levelling control system of each described paver of claim 1-5, it is characterized in that, described first controller (312) and second controller (322) comprise processing unit respectively, and the processing unit of described first controller (312) links to each other with the processing unit of second controller (322) by the CAN bus.
7. according to the levelling control system of each described paver of claim 1-5, it is characterized in that, described input/output unit (330) links to each other with second interaction end of described first controller (312) by the CAN bus, or links to each other with second interaction end of described second controller (322) by the CAN bus.
8. according to the levelling control system of each described paver of claim 1-5, it is characterized in that described first controller (312) comprises processing unit and system reset unit; Described system reset unit links to each other with processing unit.
9. according to the levelling control system of each described paver of claim 1-5, it is characterized in that, described first checkout gear (311) and second checkout gear (321) are the longitudinal gradient checkout gear, and perhaps, described first checkout gear (311) is the longitudinal gradient checkout gear; Described second checkout gear (321) is the horizontal wall inscription checkout gear.
10. a paver comprises screed, it is characterized in that, also comprises each described levelling control system of claim 1-9, and described first checkout gear (311) and second checkout gear (321) are installed on the described screed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206851423U CN201915327U (en) | 2010-12-28 | 2010-12-28 | Paver and leveling control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206851423U CN201915327U (en) | 2010-12-28 | 2010-12-28 | Paver and leveling control system thereof |
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| CN201915327U true CN201915327U (en) | 2011-08-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433825A (en) * | 2011-09-29 | 2012-05-02 | 三一重工股份有限公司 | Adaptive control method and controller for levelling of paver, and paver |
| CN102890487A (en) * | 2012-09-24 | 2013-01-23 | 三一重机有限公司 | Multi-controller electrical control system |
| CN103290759A (en) * | 2013-06-10 | 2013-09-11 | 中山市拓维电子科技有限公司 | Automatic paver leveling control system and automatic paver leveling control method |
| CN103324122A (en) * | 2013-06-21 | 2013-09-25 | 中山市拓维电子科技有限公司 | Digital automatic-leveling control system based on CAN bus |
| CN106480811A (en) * | 2016-01-07 | 2017-03-08 | 徐工集团工程机械股份有限公司 | A kind of levelling of paver system and paver |
| CN107741719A (en) * | 2017-11-29 | 2018-02-27 | 徐工集团工程机械有限公司 | Paver longitudinal slope Automatic Levelling control device, method and paver |
-
2010
- 2010-12-28 CN CN2010206851423U patent/CN201915327U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433825A (en) * | 2011-09-29 | 2012-05-02 | 三一重工股份有限公司 | Adaptive control method and controller for levelling of paver, and paver |
| CN102433825B (en) * | 2011-09-29 | 2014-04-16 | 三一重工股份有限公司 | Adaptive control method and controller for levelling of paver, and paver |
| CN102890487A (en) * | 2012-09-24 | 2013-01-23 | 三一重机有限公司 | Multi-controller electrical control system |
| CN103290759A (en) * | 2013-06-10 | 2013-09-11 | 中山市拓维电子科技有限公司 | Automatic paver leveling control system and automatic paver leveling control method |
| CN103324122A (en) * | 2013-06-21 | 2013-09-25 | 中山市拓维电子科技有限公司 | Digital automatic-leveling control system based on CAN bus |
| CN106480811A (en) * | 2016-01-07 | 2017-03-08 | 徐工集团工程机械股份有限公司 | A kind of levelling of paver system and paver |
| CN106480811B (en) * | 2016-01-07 | 2019-01-08 | 徐工集团工程机械股份有限公司 | A kind of levelling of paver system and paver |
| CN107741719A (en) * | 2017-11-29 | 2018-02-27 | 徐工集团工程机械有限公司 | Paver longitudinal slope Automatic Levelling control device, method and paver |
| CN107741719B (en) * | 2017-11-29 | 2024-02-02 | 江苏徐工工程机械研究院有限公司 | Paver longitudinal slope automatic leveling control device and method and paver |
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