CN207362643U - A kind of paver material-distributing system for improving sub-material material position stationarity - Google Patents
A kind of paver material-distributing system for improving sub-material material position stationarity Download PDFInfo
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- CN207362643U CN207362643U CN201721334946.7U CN201721334946U CN207362643U CN 207362643 U CN207362643 U CN 207362643U CN 201721334946 U CN201721334946 U CN 201721334946U CN 207362643 U CN207362643 U CN 207362643U
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Abstract
The utility model discloses a kind of paver material-distributing system for improving sub-material material position stationarity, including material-dividing groove, sub-material helical blade, controller and sub-material motor, the material-dividing groove includes material-dividing groove front apron and the screed for being arranged on material-dividing groove front apron rear, the sub-material helical blade being connected with sub-material motor is provided with the material-dividing groove, two ends of the material-dividing groove front apron are respectively arranged with the level sensor being connected with controller, the controller passes through sub-material hydraulic pump control sub-material motor, further include the spreading speed sensor for detecting paver walking or spreading speed, for detecting the paving width detection device of paving width, for detecting the paving thickness detection device of paving thickness, the spreading speed sensor, paving width detection device and paving thickness detection device are connected with controller.Solve the problems, such as that material position is uneven in whole hopper length range and sub-material rotation speed change is too fast, improve the uniformity of the surface evenness to pave and compactness.
Description
Technical field
It the utility model is related to a kind of paver material-distributing system for improving sub-material material position stationarity.
Background technology
Paver in hopper terminal position by setting level sensor to carry out level measurement at present, and is come with this measured value
As the material-level measure signal in whole hopper length range, for controlling whole hopper material position, Fig. 1 is paving for existing design
Machine material-distributing system structure diagram, wherein, 1 is the level sensor of material-dividing groove terminal position, and left and right two is symmetrical arranged, and 2 are
Material-dividing groove front apron, 3 be screed, and screed collectively constitutes material-dividing groove with material-dividing groove front apron, and 4 be sub-material helical blade, leads to
Cross driving chain with sub-material motor to be connected, 5 devices in order to control, 6 be sub-material hydraulic pump, it provides pressure oil to sub-material motor 7,8
To provide the conveying scraping plates system of material to material-dividing groove, being generally located on front, its specific work process in the middle part of material-dividing groove is：
Conveying scraping plates system 8 conveys material and reaches in the middle part of material-dividing groove, and controller 5 exports sub-material control signal and gives sub-material hydraulic pressure
Pump 6, sub-material hydraulic pump 6 drive sub-material motor 7, and sub-material motor 7 drives sub-material helical blade 4 to rotate, by material from material-dividing groove
Portion is transported to material-dividing groove both ends, and the level sensor 1 of material-dividing groove end positions detects end level, the material position as whole hopper
Signal feeds back to controller 5, and controller 5 is by the signal compared with setting value and then output control signal controls whole hopper
Material position.
It represents the material position of whole hopper with the material-level measure value of hopper terminal position this point, it is clear that can bring with point
For the measurement error in face, when conveying scraping plates system 8 cannot provide continuous feeding, will result in whole hopper length range
Occur that controlling level is uneven, local phenomena such as lacking material, and may result in sub-material rotation speed change if end lacks material and lead soon very much
The problem of causing material position fluctuation, controlling level is uneven and material position fluctuation can cause material heap in hopper to there is the extruding force of screed
Larger difference, causes the change of screed stress is excessive to cause posture unstable, so as to cause surface evenness and the compactness to pave
The uniformity decline.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of paver material-distributing system for improving sub-material material position stationarity, energy
Preferably solve the problems, such as that material position is uneven in whole hopper length range and sub-material rotation speed change is too fast, improve the road surface to pave
The uniformity of flatness and compactness.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：
A kind of paver material-distributing system for improving sub-material material position stationarity, including material-dividing groove, sub-material helical blade, controller
With sub-material motor, the material-dividing groove includes material-dividing groove front apron and is arranged on the screed at material-dividing groove front apron rear, described point
The sub-material helical blade being connected with sub-material motor is provided with hopper, two ends of the material-dividing groove front apron are respectively arranged with
The level sensor being connected with controller, the controller are further included for detecting by sub-material hydraulic pump control sub-material motor
The spreading speed sensor of paver walking or spreading speed, the paving width detection device for detecting paving width, be used for
Detect the paving thickness detection device of paving thickness, the spreading speed sensor, paving width detection device and paving thickness
Detection device is connected with controller.
It is preferred that being symmetrically arranged with two sub-material motors in the middle part of the material-dividing groove, each sub-material motor is respectively with being symmetrical arranged
Sub-material helical blade be connected, controller pass through sub-material hydraulic pump control sub-material motor, sub-material motor drive sub-material helical blade
Rotate and material is transported to material-dividing groove both ends in the middle part of material-dividing groove.
It is preferred that further include the speed probe being separately positioned on sub-material motor, the speed probe respectively with control
Device is connected.
It is preferred that the spreading speed sensor is arranged on the hoofing part motor of paver, the paving width detection
Device is arranged on the both ends of screed, and the paving thickness detection device is arranged on screed rear.
It is preferred that the model speed probe HDD12 of the spreading speed sensor, the paving width detection device are
EDM20-R/122 type infrared ambulators.
It is preferred that the paving thickness detection device is ultrasonic wave equalizer bar.
A kind of paver sub-material control method for improving sub-material material position stationarity, includes the following steps：
Step 1, the quantity of material according to needed for calculating paver walking or spreading speed V, paving width B, paving thickness H
△, △=(V*B*H)；
Step 2, according to required quantity of material △ and sub-material blade radius R, pitch P, calculate sub-material rotating speed X1 simultaneously as control
Reference signal processed, X1=△/(π * R*R*P)；
Step 3, the level sensor installed in material-dividing groove end positions carry out level measurement and are transferred to controller, control
Device generates control signal X2 according to the actual material position value in material-dividing groove both ends of measurement；
Step 4, controller export final control signal X and give sub-material hydraulic pressure according to control weight K1, K2 set in advance
Pump is used for the sub-material rotating speed for controlling sub-material motor, wherein, X=K1*X1+K2*X2, K1 ＞ K2 and K1+K2=1.
It is preferred that controller detects the change rate of motor rotary speed by speed probe.
The beneficial effects of the utility model are：
In existing design, control signal is directly X=X2, and the material-level measure value X2 of hopper terminal position is in the control signal
Accounting be 100%, the material position of whole hopper is represented with the material-level measure value of hopper terminal position this point, it is clear that this is with regard to band
The measurement error that Points replacing surfaces are brought is carried out, has caused to occur in whole hopper length range that controlling level is uneven and sub-material rotating speed
The problem of change causes material position to fluctuate very much soon.
The present invention is directed to this case, the reference signal X1 using actual demand amount as Level control is proposed, in conjunction with material
The material-level measure value X2 of groove terminal position this point, generates new control signal X=K1*X1+K2*X2, K1 ＞ K2 and the two it
With for 1, reduce hopper terminal position by reducing the accountings of the material-level measure value X2 of hopper terminal position in the control signal
Influence of fluctuations caused by material position changes, so as to improve the uniform sub-material speed stability of material position, the road surface for overcoming therefore bringing is close
Solidity is uneven and the problem of roughness descent, has good economic benefit.So that material position is not in whole hopper length range
The caused spreading evenness quality problems of the problem of uniform sub-material rotation speed change is too fast are significantly improved.
Brief description of the drawings
Fig. 1 is the structure diagram of the paver material-distributing system of existing design；
Fig. 2 is a kind of structure diagram for the paver material-distributing system for improving sub-material material position stationarity of the utility model；
Fig. 3 is the control flow chart of the utility model paver material-distributing system；
The mark meaning of attached drawing is as follows：
1：Level sensor；2：Material-dividing groove front apron；3：Screed；4：Sub-material helical blade；5：Controller；6：Sub-material liquid
Press pump；7：Sub-material motor；8：Conveying scraping plates system；9：Spreading speed sensor；10：Paving width detection device；11：Pave thickness
Spend detection device；12：Speed probe.
Embodiment
Technical solutions of the utility model are described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that
Those skilled in the art can be better understood from the utility model and can be practiced, but illustrated embodiment is not as to this reality
With new restriction.
As shown in Figure 1, the paver material-distributing system of existing design, including material-dividing groove, sub-material helical blade 4,5 and of controller
Sub-material motor 7, the material-dividing groove includes material-dividing groove front apron 2 and the screed 3 for being arranged on 2 rear of material-dividing groove front apron, described
The sub-material helical blade 4 being connected with sub-material motor 7, two ends difference of the material-dividing groove front apron 2 are provided with material-dividing groove
The level sensor 1 being connected with controller 5 is provided with, the controller 5 passes through sub-material hydraulic pump control sub-material motor 7.Generally
, sub-material motor 7 is rotated by sub-material axis of the chain-driving in material-dividing groove, and sub-material axis is equipped with continuous sub-material helical blade
4, sub-material helical blade 4 rotates in material-dividing groove and conveys material spreader.
Fig. 2 is the structure diagram for the paver material-distributing system that the utility model improves sub-material material position stationarity, it is in Fig. 1
Added in existing material-distributing system composition part such as lower structure：
Further include for detect paver walking or spreading speed spreading speed sensor 9, pave width for detecting
The paving width detection device 10 of degree, the paving thickness detection device 11 for detecting paving thickness, the spreading speed sensing
Device 9, paving width detection device 10 and paving thickness detection device 11 are connected with controller 5.
By taking Fig. 2 as an example, two sub-material motors 7 are symmetrically arranged with the middle part of preferably described material-dividing groove, each sub-material motor 7 is distinguished
It is connected with symmetrically arranged sub-material helical blade 4, controller 5 controls sub-material motor 7 by sub-material hydraulic pump 6.It is preferred that sub-material system
System further includes the speed probe 12 that is separately positioned on sub-material motor 7, the speed probe 12 respectively with 5 phase of controller
Even.Conveying scraping plates system 8 conveys material and reaches in the middle part of material-dividing groove, and controller 5 exports sub-material control signal to sub-material hydraulic pump 6,
Sub-material hydraulic pump 6 drives sub-material motor 7, sub-material motor 7 drive sub-material helical blade 4 rotate and by material in the middle part of material-dividing groove it is defeated
It is sent to material-dividing groove both ends.
It is preferred that spreading speed sensor 9 is arranged on the hoofing part motor of paver, the walking speed of paver is detected
Degree；The paving width detection device 10 is arranged on the both ends of screed 3, for detecting screed width；The paving thickness
Detection device 11 is arranged on 3 rear of screed, for detecting paving thickness；Speed probe 12 is installed on sub-material motor 7, is used
In detection motor rotary speed.It should be noted that only embodied in Fig. 2 each sensor or detection device pass through it is continuously electric with controller 5
Connection, does not embody specific installation site.
It is corresponding, the model of each sensor or detection device can type selecting it is as follows：
The model speed probe HDD12 of spreading speed sensor 9, the paving width detection device 10 are EDM20-
R/122 type infrared ambulators, the paving thickness detection device 11 are ultrasonic wave equalizer bar, can be commercially available.
Correspondingly, a kind of paver sub-material control method for improving sub-material material position stationarity, as shown in figure 3, including as follows
Step：
Step 1, according to paver walking or spreading speed V (units：M/min), paving width B (units：Rice), pave
Thickness H (units：Rice) calculate required quantity of material △, △=(V*B*H).
Step 2, according to required quantity of material △ and sub-material blade radius R (units：Rice), pitch P (unit：Rice), calculate
Sub-material rotating speed X1 (units：Rev/min) and as control reference signal, X1=△/(π * R*R*P), using actual demand amount as
The reference signal X1 of Level control.
Step 3, the level sensor 1 installed in material-dividing groove end positions carry out level measurement and are transferred to controller 5, control
Device 5 processed according to the actual material position value generation control signal X2 in the material-dividing groove both ends of measurement, (namely believe by the output control of the prior art
Number).
Step 4, controller 5 export final control signal X and give sub-material liquid according to control weight K1, K2 set in advance
Press pump 6 is used for the sub-material rotating speed for controlling sub-material motor 7, wherein, X=K1*X1+K2*X2, K1 ＞ K2 and K1+K2=1.
In addition, installing speed probe on sub-material motor, controller 5 detects motor rotary speed by speed probe 12
Change rate.
In existing design, control signal is directly X=X2, and the material-level measure value X2 of hopper terminal position is in the control signal
Accounting be 100%, the material position of whole hopper is represented with the material-level measure value of hopper terminal position this point, it is clear that this is with regard to band
The measurement error that Points replacing surfaces are brought is carried out, has caused to occur in whole hopper length range that controlling level is uneven and sub-material rotating speed
The problem of change causes material position to fluctuate very much soon.
The present invention is directed to this case, the reference signal X1 using actual demand amount as Level control is proposed, in conjunction with material
The material-level measure value X2 of groove terminal position this point, generates new control signal X=K1*X1+K2*X2, K1 ＞ K2 and the two it
With for 1, reduce hopper terminal position by reducing the accountings of the material-level measure value X2 of hopper terminal position in the control signal
Influence of fluctuations caused by material position changes, so as to improve the uniform sub-material speed stability of material position, the road surface for overcoming therefore bringing is close
Solidity is uneven and the problem of roughness descent, has good economic benefit.So that material position is not in whole hopper length range
The caused spreading evenness quality problems of the problem of uniform sub-material rotation speed change is too fast are significantly improved.
It these are only the preferred embodiment of the utility model, it does not limit the scope of the patent of the present invention, every
Equivalent structure made based on the specification and figures of the utility model either equivalent process transformation or directly or indirectly fortune
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of paver material-distributing system for improving sub-material material position stationarity, including material-dividing groove, sub-material helical blade (4), control
Device (5) and sub-material motor (7), the material-dividing groove include material-dividing groove front apron (2) and are arranged on material-dividing groove front apron (2) rear
Screed (3), is provided with the sub-material helical blade (4) being connected with sub-material motor (7), the material-dividing groove front in the material-dividing groove
Two ends of plate (2) are respectively arranged with the level sensor (1) being connected with controller (5), and the controller (5) passes through sub-material
Hydraulic pump (6) control sub-material motor (7), it is characterised in that further include and pave for detecting paver walking or spreading speed
Velocity sensor (9), the paving width detection device (10) for detecting paving width, the thickness that paves for detecting paving thickness
Spend detection device (11), the spreading speed sensor (9), paving width detection device (10) and paving thickness detection device
(11) it is connected with controller (5).
A kind of 2. paver material-distributing system for improving sub-material material position stationarity according to claim 1, it is characterised in that institute
State and be symmetrically arranged with two sub-material motors (7) in the middle part of material-dividing groove, each sub-material motor (7) is spiral with symmetrically arranged sub-material respectively
Blade (4) is connected, and controller (5) controls sub-material motor (7) by sub-material hydraulic pump (6), and sub-material motor (7) drives sub-material spiral
Blade (4) rotates and material is transported to material-dividing groove both ends in the middle part of material-dividing groove.
3. a kind of paver material-distributing system for improving sub-material material position stationarity according to claim 2, it is characterised in that also
Including the speed probe (12) being separately positioned on sub-material motor (7), the speed probe (12) respectively with controller (5)
It is connected.
A kind of 4. paver material-distributing system for improving sub-material material position stationarity according to claim 1, it is characterised in that institute
State spreading speed sensor (9) to be arranged on the hoofing part motor of paver, the paving width detection device (10) is set
At the both ends of screed (3), the paving thickness detection device (11) is arranged on screed (3) rear.
A kind of 5. paver material-distributing system for improving sub-material material position stationarity according to claim 4, it is characterised in that institute
The model speed probe HDD12 of spreading speed sensor (9) is stated, the paving width detection device (10) is EDM20-R/
122 type infrared ambulators.
A kind of 6. paver material-distributing system for improving sub-material material position stationarity according to claim 4, it is characterised in that institute
It is ultrasonic wave equalizer bar to state paving thickness detection device (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334946.7U CN207362643U (en) | 2017-10-17 | 2017-10-17 | A kind of paver material-distributing system for improving sub-material material position stationarity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721334946.7U CN207362643U (en) | 2017-10-17 | 2017-10-17 | A kind of paver material-distributing system for improving sub-material material position stationarity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761516A (en) * | 2017-10-17 | 2018-03-06 | 徐工集团工程机械股份有限公司 | A kind of paver material-distributing system and control method for improving sub-material material position stationarity |
| CN112230684A (en) * | 2020-10-23 | 2021-01-15 | 徐工集团工程机械股份有限公司道路机械分公司 | Paver with telescopic screed and material level control method |
| CN114382264A (en) * | 2020-10-19 | 2022-04-22 | 广东博智林机器人有限公司 | Material paving equipment, control method and device thereof, and storage medium |
-
2017
- 2017-10-17 CN CN201721334946.7U patent/CN207362643U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761516A (en) * | 2017-10-17 | 2018-03-06 | 徐工集团工程机械股份有限公司 | A kind of paver material-distributing system and control method for improving sub-material material position stationarity |
| CN114382264A (en) * | 2020-10-19 | 2022-04-22 | 广东博智林机器人有限公司 | Material paving equipment, control method and device thereof, and storage medium |
| CN112230684A (en) * | 2020-10-23 | 2021-01-15 | 徐工集团工程机械股份有限公司道路机械分公司 | Paver with telescopic screed and material level control method |
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