CN205420980U - Paver auto seeking plane controlling means and paver - Google Patents
Paver auto seeking plane controlling means and paver Download PDFInfo
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- CN205420980U CN205420980U CN201520544895.5U CN201520544895U CN205420980U CN 205420980 U CN205420980 U CN 205420980U CN 201520544895 U CN201520544895 U CN 201520544895U CN 205420980 U CN205420980 U CN 205420980U
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Abstract
The utility model discloses a paver auto seeking plane controlling means and paver. The device includes: auto seeking plane device, main control unit, the solenoid valve of making level, main control unit respectively with the auto seeking plane device the solenoid valve electricity of making level is connected, the auto seeking plane device detects the roughness on road surface to export the PWM signal that corresponds the pulse width with the deviation signal that makes level, main control unit receives the output of auto seeking plane device the walking parameter of PWM signal and traveling system transmission to with control signal transmission extremely the solenoid valve of making level, make level the solenoid valve based on control signal controls the hydro -cylinder work of making level and realizes auto seeking plane. The utility model discloses the matching degree of difficulty of paver auto seeking plane system and other systems can be reduced by a wide margin, the stability of operation that paves is improved, and then the roughness on road surface of guaranteeing to pave.
Description
Technical field
This utility model relates to technical field of engineering machinery, particularly relates to a kind of paver Automatic Levelling and controls device and paver.
Background technology
People under high speed, comfortable constantly pursuit, the requirement of highway construction quality improves the most day by day, and the especially requirement of road pavement flatness is more and more higher.Bituminous concrete paver has material impact as the nucleus equipment of high grade pavement making, road pavement construction quality.Paver Automatic Levelling technology directly affects the flatness on road surface as a key technology of paver, the quality of its performance.
In prior art, owing to the control signal of surface level-meter directly exports control solenoid directional control valve, without the master controller of paver, therefore, it is difficult to automatic leveling system and the other system such as the running gear of paver, lifting system are carried out system matches, affects the flatness of paving concrete pavement.In addition, owing to surface level-meter only just can export control signal when controlling solenoid directional control valve commutation, solenoid directional control valve electric magnet is needed excitation a period of time solenoid directional control valve to commutate by control signal, so, the time delay of a period of time can be there is in the response of solenoid directional control valve, the levelling deviation that levelling sensor detects can not be suppressed the most rapidly, affect the flatness of paving concrete pavement equally.
Utility model content
The technical problems to be solved in the utility model is that automatic leveling system does not mates with other system, affects the flatness of paving concrete pavement.
According to one side of the present utility model, propose a kind of paver Automatic Levelling and control device, automatic leveling device, master controller, levelling electromagnetic valve；Described master controller electrically connects with described automatic leveling device, described levelling electromagnetic valve respectively；The flatness on described automatic leveling device detection road surface, and export the pwm signal of pulsewidth corresponding with levelling deviation signal；Described master controller receives described pwm signal and the walking parameter of running gear transmission of described automatic leveling device output, and by control signal transmission to described levelling electromagnetic valve；Described levelling electromagnetic valve controls levelling cylinder efficient based on described control signal and realizes Automatic Levelling.
According to an embodiment of the present utility model, further, described master controller includes: high-speed data processing module, for reducing overlapped high-frequency carrier signal by a narrow margin on the amplitude of described pwm signal, and the pwm signal after reducing amplitude.
According to an embodiment of the present utility model, further, signal amplifier is also included: described signal amplifier electrically connects with described master controller and described levelling electromagnetic valve.
According to an embodiment of the present utility model, further, described automatic leveling device includes: levelling sensor and Automatic Levelling Controller, and described levelling sensor electrically connects with described Automatic Levelling Controller；Wherein, the flatness on described levelling sensor detection road surface, and by levelling offset signal transmission to described Automatic Levelling Controller；Described Automatic Levelling Controller exports the pwm signal of pulsewidth corresponding with levelling deviation signal.
According to an embodiment of the present utility model, further, described levelling sensor is connected by CAN with described Automatic Levelling Controller.
According to an embodiment of the present utility model, further, described master controller is connected by shielded cable with described Automatic Levelling Controller, described signal amplifier.
According to an embodiment of the present utility model, further, described signal amplifier is connected by shielded cable with described levelling electromagnetic valve.
According to an embodiment of the present utility model, further, described levelling sensor is two, is separately positioned on the levelling support of paver screed both sides.
According to an embodiment of the present utility model, further, described levelling sensor is rotary angle transmitter or ultrasound wave skid shoe type sensor.
According to another aspect of the present utility model, it is also proposed that a kind of paver, control device including paver Automatic Levelling as above.
Compared with prior art, low frequency pwm signal and the walking parameter of running gear output that this utility model exports due to automatic leveling device are transmitted to master controller, master controller judges the start and stop moment of automatic leveling device according to the walking parameter that running gear exports, and export the low frequency pwm signal of corresponding pulsewidth under different levelling deviation signal as required, and then control levelling electromagnetic valve and commutate rapidly, suppress levelling deviation in time.It is accordingly possible to ensure paver is in start-up course, automatic leveling device can timely, stable starting working；During paver stops, automatic leveling device also is able in time, quits work accurately.This utility model can be greatly reduced the difficulty of matching of paver automatic leveling device and other system, improves the stability of paving operation, and then guarantees the flatness of paving concrete pavement.
Additionally, owing to the most levelling electromagnetic valve need to need not commutation, there is a certain degree of excitation in the control signal with high frequency carrier to levelling electromagnetic valve always, so when the levelling electromagnetic valve of needs commutates, excitation time shortens, solve levelling solenoid directional control valve and can not respond rapidly to the problem of levelling control signal, shorten the response time of levelling electromagnetic valve, improve the flatness of paving concrete pavement.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, further feature of the present utility model and advantage thereof will be made apparent from.
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiment of the present utility model, and is used for together with the description explaining principle of the present utility model.
Referring to the drawings, according to detailed description below, this utility model can be more clearly understood from, wherein:
Fig. 1 is the structural representation that this utility model paver Automatic Levelling controls an embodiment of device.
Fig. 2 is the structural representation that this utility model paver Automatic Levelling controls another embodiment of device.
Fig. 3 is the schematic flow sheet of an embodiment of this utility model paver Automatic Levelling control method.
Fig. 4 is the schematic flow sheet of another embodiment of this utility model paver Automatic Levelling control method.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should also be noted that unless specifically stated otherwise, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to scope of the present utility model.
Simultaneously, it should be appreciated that for the ease of describing, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship.
Description only actually at least one exemplary embodiment is illustrative below, never as to this utility model and application thereof or any restriction of use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but in the appropriate case, described technology, method and apparatus should be considered to authorize a part for description.
In shown here and all examples of discussing, any occurrence should be construed as merely exemplary rather than as limiting.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and referring to the drawings, this utility model is further described.
Fig. 1 is the structural representation that this utility model paver Automatic Levelling controls an embodiment of device.Including: automatic leveling device 110, master controller 120 and levelling electromagnetic valve 130, wherein:
Automatic leveling device 110 is electrically connected with levelling electromagnetic valve 130 by master controller 120.
Automatic leveling device 110, for detecting the flatness on road surface, and exports the pwm signal of pulsewidth corresponding with levelling deviation signal.
Wherein, automatic leveling device 110 can include levelling sensor and Automatic Levelling Controller.Levelling sensor, on the levelling support of the screed side plate that can be arranged on paver, such as, the screed left and right sides can be respectively mounted one, wherein, levelling sensor can be rotary angle transmitter can also be ultrasound wave skid shoe type sensor.Levelling sensor is used for detecting the flatness on road surface, and by levelling offset signal transmission to Automatic Levelling Controller.Automatic Levelling Controller is for reading the levelling deviation signal of levelling sensor, and according to the pulsewidth ratio corresponding relation of levelling deviation signal Yu pwm signal, exports the pwm signal of corresponding pulsewidth under different levelling deviation signal, and pwm signal is low frequency signal.
Master controller 120, the signal for the pwm signal that exported by automatic leveling device 110 with the output of other system carries out matching treatment, and the signal transmission after processing is to levelling electromagnetic valve 130.
Wherein, other system e.g. running gear, in paver shutdown process, owing to the low frequency pwm signal of automatic leveling device 110 output and the walking parameter of running gear output are transmitted to master controller 120, master controller 120 just can be according to the running gear start and stop moment read in real time, travelling control electric current, the speed of travel, vibrate electric current, vibrate the relevant parameter of the travelling system of spreader such as rotating speed, judge the start and stop moment of automatic leveling device 110, then the low frequency pwm signal of corresponding pulsewidth under automatic leveling device 110 exports different levelling deviation signal as required.
Levelling electromagnetic valve 130, is used in response to the signal after matching treatment, thus controls levelling cylinder efficient, it is achieved Automatic Levelling.Wherein, levelling electromagnetic valve 130 is solenoid directional control valve.
In this embodiment, owing to the low frequency pwm signal of automatic leveling device output and the walking parameter of running gear output are transmitted to master controller, master controller judges the start and stop moment of automatic leveling device according to the walking parameter that running gear exports, and export the low frequency pwm signal of corresponding pulsewidth under different levelling deviation signal as required, and then control levelling electromagnetic valve and commutate rapidly, suppress levelling deviation in time.It is accordingly possible to ensure paver is in start-up course, automatic leveling device can timely, stable starting working；During paver stops, automatic leveling device also is able in time, quits work accurately.This utility model can be greatly reduced the difficulty of matching of paver automatic leveling device and other system, improves the stability of paving operation, and then guarantees the flatness of paving concrete pavement.
Fig. 2 is the structural representation that this utility model paver Automatic Levelling controls another embodiment of device.Including:
Levelling sensor 210, Automatic Levelling Controller 220, master controller 230, signal amplifier 240 and levelling electromagnetic valve 250, wherein:
Levelling sensor 210 is connected to the signal receiving end of Automatic Levelling Controller 220 by CAN；The signal output part of Automatic Levelling Controller 220 is connected to the digital quantity input of master controller 230 by shielded cable；The analog output end of master controller 230 is connected to the signal input part of signal amplifier 240 by shielded cable；The outfan of signal amplifier 240 is connected on the electric magnet of levelling electromagnetic valve 250 by shielded cable.It will be understood by those of skill in the art that shielded cable has anti-interference function, be only intended to citing at this, should not be construed as restriction of the present utility model, this utility model can also utilize other cable to be attached.
Levelling sensor 210, for detecting the flatness on road surface, and by levelling offset signal transmission to Automatic Levelling Controller 220.Wherein, on the levelling support of the screed side plate that levelling sensor 210 can be arranged on paver, such as, the screed left and right sides can be respectively mounted one, levelling sensor 210 can be rotary angle transmitter can also be ultrasound wave skid shoe type sensor.
Automatic Levelling Controller 220, for reading the levelling deviation signal of levelling sensor 210, and according to the pulsewidth ratio corresponding relation of levelling deviation signal Yu pwm signal, exports the pwm signal of corresponding pulsewidth under different levelling deviation signal, and pwm signal is low frequency signal.
Master controller 230, for being read the low frequency pwm signal of Automatic Levelling Controller 220 output by high-speed figure amount input channel, then the signal of low frequency pwm signal and other system output is carried out matching treatment, and the signal after processing is transmitted to signal amplifier 240 by High Speed Analog amount output channel.
Wherein, other system e.g. running gear, in paver shutdown process, owing to the low frequency pwm signal of Automatic Levelling Controller 220 output and the walking parameter of running gear output are transmitted to master controller 230, master controller 230 just can be according to the running gear start and stop moment read in real time, travelling control electric current, the speed of travel, vibrate electric current, vibrate the relevant parameter of the travelling system of spreader such as rotating speed, judge the start and stop moment of Automatic Levelling Controller 220, then the low frequency pwm signal of corresponding pulsewidth under Automatic Levelling Controller 220 exports different levelling deviation signal as required.
High-speed data processing module 231 it is provided with in master controller 230, the low frequency pwm signal exported by the Automatic Levelling Controller 220 that high-speed figure amount input channel reads for reduction is analog quantity, and reduce overlapped high-frequency carrier signal by a narrow margin on the amplitude of pwm signal, and the pwm signal after reducing amplitude.Owing to the amplitude of levelling deviation signal of Automatic Levelling Controller 220 output is 24V, master controller 230 need to gather this signal by high-speed figure amount input channel, then reduces this signal by high-speed data processing module 231.
Signal amplifier 240, for being reduced to the amplitude of the pwm signal that Automatic Levelling Controller 220 exports, and by the signal transmission after reduction to levelling electromagnetic valve 250 by the pwm signal of overlapped high-frequency carrier signal by a narrow margin.Wherein, the peak power output of signal amplifier 240 is not less than 28w.
It will be understood by those of skill in the art that master controller directly can also be arranged to the amplifier with power amplification function by this utility model, thus replace master controller 230 of the present utility model and signal amplifier 240.
Levelling electromagnetic valve 250, for the signal in response to signal amplifier 240 output, and then commutates rapidly, suppresses the levelling deviation that levelling sensor 210 detects in time, it is ensured that the flatness of paving concrete pavement.Wherein, levelling electromagnetic valve 250 is solenoid directional control valve.
In this embodiment, overlapped high-frequency carrier signal by a narrow margin on master controller pwm signal after reducing amplitude, and by signal amplifier, the pwm signal with high-frequency carrier signal is acted on levelling electromagnetic valve, therefore, the most levelling electromagnetic valve need to need not commutation, there is a certain degree of excitation in the control signal with high frequency carrier to levelling electromagnetic valve always, so when the levelling electromagnetic valve of needs commutates, excitation time shortens, solve the problem that levelling solenoid directional control valve can not respond rapidly to levelling control signal, shorten the response time of levelling electromagnetic valve, improve the flatness of paving concrete pavement.It addition, this utility model is simple to operate, automaticity is high, in the case of not increasing execute-in-place difficulty, the levelling effect of automatic leveling system can be greatly improved.
Fig. 3 is the schematic flow sheet of an embodiment of this utility model paver Automatic Levelling control method.The method comprises the following steps:
In step 310, the flatness on automatic leveling device detection road surface, and export the pwm signal of pulsewidth corresponding with levelling deviation signal.
Wherein, automatic leveling device can include levelling sensor and Automatic Levelling Controller.The flatness on levelling sensor detection road surface, and by levelling offset signal transmission to Automatic Levelling Controller.Wherein, levelling sensor, on the levelling support of the screed side plate that can be arranged on paver, such as, the screed left and right sides can be respectively mounted one, wherein, levelling sensor can be rotary angle transmitter can also be ultrasound wave skid shoe type sensor.Automatic Levelling Controller reads the levelling deviation signal of levelling sensor, and according to the pulsewidth ratio corresponding relation of levelling deviation signal Yu pwm signal, exports the pwm signal of corresponding pulsewidth under different levelling deviation signal, and pwm signal is low frequency signal.
In step 320, the signal of the pwm signal that automatic leveling device is exported by master controller and the output of other system carries out matching treatment, and the signal transmission after processing is to levelling electromagnetic valve.
Wherein, other system e.g. running gear, in paver shutdown process, owing to the low frequency pwm signal of automatic leveling device output and the walking parameter of running gear output are transmitted to master controller, master controller just can be according to the running gear start and stop moment read in real time, travelling control electric current, the speed of travel, the electric current that vibrates, the relevant parameter of the travelling system of spreader such as rotating speed that vibrate, judge the start and stop moment of automatic leveling device, the low frequency pwm signal of corresponding pulsewidth under then automatic leveling device exports different levelling deviation signal as required.
In step 330, levelling electromagnetic valve is in response to the signal after matching treatment, thus controls levelling cylinder efficient, it is achieved Automatic Levelling.Wherein, levelling electromagnetic valve is solenoid directional control valve.
In this embodiment, owing to the low frequency pwm signal of automatic leveling device output and the walking parameter of running gear output are transmitted to master controller, master controller judges the start and stop moment of automatic leveling device according to the walking parameter that running gear exports, and export the low frequency pwm signal of corresponding pulsewidth under different levelling deviation signal as required, and then control levelling electromagnetic valve and commutate rapidly, suppress levelling deviation in time.It is accordingly possible to ensure paver is in start-up course, automatic leveling device can timely, stable starting working；During paver stops, automatic leveling device also is able in time, quits work accurately.This utility model can be greatly reduced the difficulty of matching of paver automatic leveling device and other system, improves the stability of paving operation, and then guarantees the flatness of paving concrete pavement.
Fig. 4 is the schematic flow sheet of another embodiment of this utility model paver Automatic Levelling control method.
Wherein, levelling sensor is connected to the signal receiving end of Automatic Levelling Controller by CAN；The signal output part of Automatic Levelling Controller is connected to the digital quantity input of master controller by shielded cable；The analog output end of master controller is connected to the signal input part of signal amplifier by shielded cable；The outfan of signal amplifier is connected on the electric magnet of levelling electromagnetic valve by shielded cable.It will be understood by those of skill in the art that shielded cable has anti-interference function, be only intended to citing at this, should not be construed as restriction of the present utility model, this utility model can also utilize other cable to be attached.
In step 410, levelling sensor detects the flatness on road surface, and by levelling offset signal transmission to Automatic Levelling Controller.Wherein, on the levelling support of the screed side plate that levelling sensor can be arranged on paver, such as, the screed left and right sides can be respectively mounted one, levelling sensor can be rotary angle transmitter can also be ultrasound wave skid shoe type sensor.
In step 420, Automatic Levelling Controller reads the levelling deviation signal of levelling sensor, and according to the pulsewidth ratio corresponding relation of levelling deviation signal Yu pwm signal, exports the pwm signal of corresponding pulsewidth under different levelling deviation signal, and pwm signal is low frequency signal.
In step 430, master controller reads the low frequency pwm signal of Automatic Levelling Controller output by high-speed figure amount input channel, then the signal of low frequency pwm signal and other system output is carried out matching treatment, and the signal after processing is transmitted to signal amplifier by High Speed Analog amount output channel.
Wherein, other system e.g. running gear, in paver shutdown process, owing to the low frequency pwm signal of Automatic Levelling Controller output and the walking parameter of running gear output are transmitted to master controller, master controller just can be according to the running gear start and stop moment read in real time, travelling control electric current, the speed of travel, the electric current that vibrates, the relevant parameter of the travelling system of spreader such as rotating speed that vibrate, judge the start and stop moment of Automatic Levelling Controller, the low frequency pwm signal of corresponding pulsewidth under then Automatic Levelling Controller exports different levelling deviation signal as required.
High-speed data processing module it is provided with in master controller, the reduction of high-speed data processing module is analog quantity by the low frequency pwm signal of Automatic Levelling Controller 220 output that high-speed figure amount input channel reads, and the low frequency pwm signal of Automatic Levelling Controller output is carried out logical operations process, as reduced the amplitude of pwm signal, and overlapped high-frequency carrier signal by a narrow margin on the pwm signal after reducing amplitude.Owing to the amplitude of levelling deviation signal of Automatic Levelling Controller output is 24V, master controller need to gather this signal by high-speed figure amount input channel, then reduces this signal by high-speed data processing module 231.
In step 440, the pwm signal of overlapped high-frequency carrier signal by a narrow margin is reduced to the amplitude of the pwm signal of Automatic Levelling Controller output by signal amplifier, and by the signal transmission after reduction to levelling electromagnetic valve.Wherein, the peak power output of signal amplifier is not less than 28w.
It will be understood by those of skill in the art that master controller directly can also be arranged to the amplifier with power amplification function by this utility model, thus replace master controller of the present utility model and signal amplifier.
In step 450, the signal that levelling electromagnetic valve exports in response to signal amplifier, and then commutate rapidly, suppress the levelling deviation that levelling sensor detects in time, it is ensured that the flatness of paving concrete pavement.Wherein, levelling electromagnetic valve is solenoid directional control valve.
In this embodiment, overlapped high-frequency carrier signal by a narrow margin on master controller pwm signal after reducing amplitude, and by signal amplifier, the pwm signal with high-frequency carrier signal is acted on levelling electromagnetic valve, therefore, the most levelling electromagnetic valve need to need not commutation, there is a certain degree of excitation in the control signal with high frequency carrier to levelling electromagnetic valve always, so when the levelling electromagnetic valve of needs commutates, excitation time shortens, solve the problem that levelling solenoid directional control valve can not respond rapidly to levelling control signal, shorten the response time of levelling electromagnetic valve, improve the flatness of paving concrete pavement.It addition, this utility model is simple to operate, automaticity is high, in the case of not increasing execute-in-place difficulty, the levelling effect of automatic leveling system can be greatly improved.
Another embodiment of the present utility model relates to a kind of paver, controls device including paver Automatic Levelling as above, and each parts of this device are described in detail in each embodiment above.Paver of the present utility model can be greatly reduced the difficulty of matching of auto leveling system of paver and other system, improves the stability of paving operation, and then guarantees the flatness of paving concrete pavement.Meanwhile, solve levelling solenoid directional control valve and can not respond rapidly to the problem of levelling control signal, shorten the response time of levelling electromagnetic valve, improve the flatness of paving concrete pavement.It addition, this utility model is simple to operate, automaticity is high, in the case of not increasing execute-in-place difficulty, the levelling effect of automatic leveling system can be greatly improved.
So far, this utility model is described in detail.In order to avoid covering design of the present utility model, details more known in the field are not described.Those skilled in the art are as described above, complete it can be appreciated how implement technical scheme disclosed herein.
Although being described in detail specific embodiments more of the present utility model by example, but it should be appreciated by those skilled in the art, above example is merely to illustrate rather than in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, in the case of without departing from scope and spirit of the present utility model, above example can be modified.Scope of the present utility model is defined by the following claims.
Claims (9)
1. a paver Automatic Levelling controls device, it is characterised in that including:
Automatic leveling device, master controller, levelling electromagnetic valve；Described master controller electrically connects with described automatic leveling device, described levelling electromagnetic valve respectively；
Described automatic leveling device includes: levelling sensor and Automatic Levelling Controller, and described levelling sensor electrically connects with described Automatic Levelling Controller；The flatness on described levelling sensor detection road surface, and by levelling offset signal transmission to described Automatic Levelling Controller；Described Automatic Levelling Controller exports the pwm signal of pulsewidth corresponding with levelling deviation signal；Described master controller receives described pwm signal and the walking parameter of running gear transmission of described automatic leveling device output, and by control signal transmission to described levelling electromagnetic valve；Described levelling electromagnetic valve controls levelling cylinder efficient based on described control signal and realizes Automatic Levelling.
Paver Automatic Levelling the most according to claim 1 controls device, it is characterised in that:
Described master controller includes: high-speed data processing module, for reducing overlapped high-frequency carrier signal by a narrow margin on the amplitude of described pwm signal, and the pwm signal after reducing amplitude.
Paver Automatic Levelling the most according to claim 2 controls device, it is characterised in that also include signal amplifier:
Described signal amplifier electrically connects with described master controller and described levelling electromagnetic valve.
4. control device according to the arbitrary described paver Automatic Levelling of claim 1-3, it is characterised in that:
Described levelling sensor is connected by CAN with described Automatic Levelling Controller.
Paver Automatic Levelling the most according to claim 3 controls device, it is characterised in that:
Described master controller is connected by shielded cable with described Automatic Levelling Controller, described signal amplifier.
Paver Automatic Levelling the most according to claim 3 controls device, it is characterised in that:
Described signal amplifier is connected by shielded cable with described levelling electromagnetic valve.
Paver Automatic Levelling the most according to claim 3 controls device, it is characterised in that:
The quantity of described levelling sensor is two, is separately positioned on the levelling support of paver screed both sides.
Paver Automatic Levelling the most according to claim 7 controls device, it is characterised in that:
Described levelling sensor is rotary angle transmitter or ultrasound wave skid shoe type sensor.
9. a paver, controls device including the arbitrary described paver Automatic Levelling of claim 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544895.5U CN205420980U (en) | 2015-07-24 | 2015-07-24 | Paver auto seeking plane controlling means and paver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544895.5U CN205420980U (en) | 2015-07-24 | 2015-07-24 | Paver auto seeking plane controlling means and paver |
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| CN205420980U true CN205420980U (en) | 2016-08-03 |
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| CN201520544895.5U Active CN205420980U (en) | 2015-07-24 | 2015-07-24 | Paver auto seeking plane controlling means and paver |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107590984A (en) * | 2017-10-25 | 2018-01-16 | 北京理工大学 | A kind of levelling of paver wireless control system |
| CN107794828A (en) * | 2016-08-31 | 2018-03-13 | 摩巴自动控制股份有限公司 | Levelling instrument and there is its paver |
| CN108415407A (en) * | 2018-03-14 | 2018-08-17 | 徐工集团工程机械有限公司 | Levelling Failure Detection Controller, levelling of paver control device and method |
-
2015
- 2015-07-24 CN CN201520544895.5U patent/CN205420980U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794828A (en) * | 2016-08-31 | 2018-03-13 | 摩巴自动控制股份有限公司 | Levelling instrument and there is its paver |
| CN107794828B (en) * | 2016-08-31 | 2020-06-12 | 摩巴自动控制股份有限公司 | Leveling instrument and spreading machine with same |
| CN107590984A (en) * | 2017-10-25 | 2018-01-16 | 北京理工大学 | A kind of levelling of paver wireless control system |
| CN108415407A (en) * | 2018-03-14 | 2018-08-17 | 徐工集团工程机械有限公司 | Levelling Failure Detection Controller, levelling of paver control device and method |
| CN108415407B (en) * | 2018-03-14 | 2023-11-03 | 江苏徐工工程机械研究院有限公司 | Leveling fault detection controller, paver leveling control device and paver leveling control method |
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