CN204139028U - A kind of rubber-tyred paver drive-control system - Google Patents
A kind of rubber-tyred paver drive-control system Download PDFInfo
- Publication number
- CN204139028U CN204139028U CN201420205821.4U CN201420205821U CN204139028U CN 204139028 U CN204139028 U CN 204139028U CN 201420205821 U CN201420205821 U CN 201420205821U CN 204139028 U CN204139028 U CN 204139028U
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- wheel
- rubber
- controller
- paver
- velocity sensor
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Abstract
The utility model discloses a kind of rubber-tyred paver drive-control system, relate to rubber-tyred paver drive-control technique field.The utility model has a controller, the hand adjustment speed potentiometer be connected respectively, foot-operated speed potentiometer, anti-slip switch, transition/operation switch, left rear wheel velocity sensor, off hind wheel velocity sensor, the near front wheel velocity sensor, off-front wheel velocity sensor, advance proportion magnetic valve, retreats proportion magnetic valve, the near front wheel proportion magnetic valve and off-front wheel proportion magnetic valve with controller.During normality, paver runs under rear wheel drive pattern, and front-wheel is as directive wheel; Paving operation or transition pavement behavior poor time, allow paver be operated in anti-skidding state, when rear wheels slip, open front-wheel drive, paver is run under front and back wheel drive pattern.Rubber-tyred paver drive system contact area is increased, the possibility of skidding when reducing operation, give full play to complete machine maneuverability, operating efficiency is high, and transition is convenient.
Description
Technical field
The utility model relates to rubber-tyred paver drive-control technique field, specifically a kind of rubber-tyred paver drive-control system.
Background technology
Paver is used to pave the special-purpose machinery of the road materialss such as bituminous mixture, basic unit's stabilizing material, roller-compacting concrete material (RCC) and graded broken stone, is build various standard highway and one of the basic unit of town road and square, airport, parking lot and dykes and dams and irrigation canals and ditches and the key equipment of surface layer.Paving of the sections such as the laying of the construction of view road, the laying on sidewalk, slow lane, renovation outrigger location, side slope or transition section, has the features such as width is narrower, operating mode is complicated, engineering quantity is less, job location is discontinuous.The rubber-tyred paver of the advantages such as therefore, need to have complete machine maneuverability, operating efficiency is high, and transition is convenient, come to construct targetedly, its market potential contained can not be despised.
Traditional rubber-tyred paver drive-control system comprises: controller, hand adjustment speed potentiometer, foot-operated speed potentiometer, advance proportion magnetic valve, retrogressing proportion magnetic valve and road speed sensors.Control program adopts open-loop control method, controller is according to the setting value of hand adjustment speed potentiometer or foot-operated speed potentiometer, exporting certain electric current goes the rotating speed driving advance proportion magnetic valve or retreat proportional solenoid valve control pump to drive rear wheel drive bridge, front-wheel is only as directive wheel, self without drive, road speed sensors be only used for measure paver travel speed with display.But in real work, due to the difference of road conditions, rubber-tyred paver is relative to crawler-type paver, and the contact area on driving wheel and road surface is obviously less than normal, adhesive power is inadequate, often easily occurs the phenomenon of skidding, brings very large problem to running job.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the utility model provides a kind of rubber-tyred paver drive-control system, rubber-tyred paver drive system contact area is increased, the possibility of skidding when effectively reducing operation, give full play to rubber-tyred paver complete machine maneuverability, operating efficiency is high, and transition is convenient, improves pavement spread quality.
The utility model realizes with following technical scheme: a kind of rubber-tyred paver drive-control system, comprise controller, the hand adjustment speed potentiometer for realizing stepless speed regulation and foot-operated speed potentiometer is connected with controller, the anti-slip switch be connected with controller, the transition be connected with controller/operation switch, the left rear wheel velocity sensor for gathering rubber-tyred paver left rear wheel travel speed is connected with controller, the off hind wheel velocity sensor for gathering rubber-tyred paver off hind wheel travel speed is connected with controller, the near front wheel velocity sensor for gathering rubber-tyred paver the near front wheel travel speed is connected with controller, the off-front wheel velocity sensor for gathering rubber-tyred paver off-front wheel travel speed is connected with controller, described controller connects the advance proportion magnetic valve rotated for controlling trailing wheel driving pump respectively, retreat proportion magnetic valve, for controlling a left side, the near front wheel proportion magnetic valve that off-front wheel driving pump rotates, off-front wheel proportion magnetic valve, described controller adopts PLC, PLC to utilize the closed-loop control of pid algorithm realization to front and back wheel.
Operating principle: when transition, front-wheel is as directive wheel, controller drives the rotating speed of advance proportion magnetic valve or retrogressing proportional solenoid valve control pump to drive rear wheel drive bridge according to the setting value of foot-operated speed potentiometer, is then determined the speed of service of paver trailing wheel according to the power of real work situation distribution left and right trailing wheel by rear wheel drive bridge; When paving operation, the speed that paver runs is set by hand adjustment speed potentiometer.Under normality, rubber-tyred paver runs under rear wheel drive pattern, and front-wheel is as directive wheel; Paving operation or transition pavement behavior poor time, paver is allowed to be operated in anti-skidding state, the survey data of the velocity sensor in front and back wheel is arranged on by contrast, if the speed of front-wheel is less than 80% of rear wheel speed, think that now paver is in slipping state, open front-wheel drive, paver is run under front and back wheel drive pattern.When front-wheel drive is opened, controller drives left and right front-wheel proportion magnetic valve to drive left and right front wheel motion according to the actual rotary speed of left and right trailing wheel respectively, controller drives the size of left and right front-wheel proportion magnetic valve electric current according to being ensure that the speed of left and right front-wheel operation is 1.05 times of the left and right trailing wheel speed of service, utilizes the closed-loop control of pid algorithm realization to left and right front-wheel.
The beneficial effects of the utility model are: rubber-tyred paver drive system contact area is increased, the possibility of skidding when effectively reducing operation, and give full play to rubber-tyred paver complete machine maneuverability, operating efficiency is high, and transition is convenient, improves pavement spread quality; Structure is simple, and safe and reliable, Detection results is good.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Fig. 1 is the circuit diagram of a kind of embodiment of the utility model.
Fig. 2 is rubber-tyred paver drive-control system anti-slip schematic diagram.
Detailed description of the invention
As shown in Figure 1, a kind of rubber-tyred paver drive-control system has a controller C1, the hand adjustment speed potentiometer R1 for realizing stepless speed regulation is connected with controller C1, foot-operated speed potentiometer R2, the anti-slip switch S 1 be connected with controller C1, the transition be connected with controller C1/operation switch S 2, the left rear wheel velocity sensor B1 for gathering rubber-tyred paver left rear wheel travel speed is connected with controller C1, the off hind wheel velocity sensor B2 for gathering rubber-tyred paver off hind wheel travel speed is connected with controller C1, the near front wheel velocity sensor B3 for gathering rubber-tyred paver the near front wheel travel speed is connected with controller C1, the off-front wheel velocity sensor B4 for gathering rubber-tyred paver off-front wheel travel speed is connected with controller C1, described controller C1 connects the advance proportion magnetic valve Y1 rotated for controlling trailing wheel driving pump respectively, retreat proportion magnetic valve Y2, for controlling a left side, the near front wheel proportion magnetic valve Y3 that off-front wheel driving pump rotates, off-front wheel proportion magnetic valve Y4.
As shown in Figure 2, described controller adopts PLC.Described left rear wheel velocity sensor B1, off hind wheel velocity sensor B2, the near front wheel velocity sensor B3 and off-front wheel velocity sensor B4 all adopt hall-effect speed sensor, on the fixed support that what left rear wheel velocity sensor B1, off hind wheel velocity sensor B2 were corresponding be arranged on above left and right Rear wheel pivoting axle, the motor internal of what the near front wheel velocity sensor B3 and off-front wheel velocity sensor B4 was corresponding the be arranged on left and right front-wheel driving pump of rubber-tyred paver.Described hand adjustment speed potentiometer R1 is arranged on the operating desk of rubber-tyred paver driver's cabin; Described foot-operated speed potentiometer R2 is arranged on the service brake place of rubber-tyred paver.
Left rear wheel velocity sensor B1 Real-Time Monitoring paver left rear wheel rotary speed v1, off hind wheel velocity sensor B2 Real-Time Monitoring paver off hind wheel rotary speed v2, the near front wheel velocity sensor B3 Real-Time Monitoring paver the near front wheel rotary speed v3, off-front wheel velocity sensor B4 Real-Time Monitoring paver off-front wheel rotary speed v4.
The course of work: when paving operation, the speed that paver runs is set by hand adjustment speed potentiometer R1.Under normality, rubber-tyred paver runs under rear wheel drive pattern, and front-wheel is as directive wheel; Paving operation or transition pavement behavior poor time, port corresponding to controller C1 is allowed to connect high level by arranging anti-slip switch S 1, now, paver is operated in anti-skidding state, controller C1 is arranged on the survey data of the velocity sensor in front and back wheel by contrast, if meet v3<0.8v1 or v4<0.8v2, thinks that now paver is in slipping state, open front-wheel drive, paver is run under front and back wheel drive pattern.For the near front wheel and left rear wheel, when front-wheel drive is opened, in order to ensure that the near front wheel can drive rear wheel movement to a certain extent, the speed allowing the near front wheel set is 1.05 times of the left rear wheel speed of service, like this, controller C1 exports certain Current Control the near front wheel proportion magnetic valve Y3 according to the deviation e1 of 1.05v1 and the near front wheel rotary speed v3, realizes the closed-loop control to the near front wheel travel speed, its control algolithm adopt PID to control, same the near front wheel of control principle of off-front wheel.
When transition, front-wheel is as directive wheel, controller C1 drives the rotating speed of advance proportion magnetic valve Y1 or retrogressing proportion magnetic valve Y2 control pump to drive rear wheel drive bridge according to the setting value of foot-operated speed potentiometer R2, is then determined the speed of service of paver trailing wheel according to the power of real work situation distribution left and right trailing wheel by rear wheel drive bridge.
Paving operation or transition pavement behavior poor time, anti-slip switch S 1 and transition/operation switch S 2 all can be opened, now, the speed that paver travels is set by hand adjustment speed potentiometer R1, when running into skidding and occurring, controller C1 can start front-wheel drive at any time, driver can according to the situation on road surface after system cloud gray model a period of time, anti-slip switch S 1 is resetted again, anti-slip monitor state is reentered after allowing front-wheel drive stop, to save power, rubber-tyred paver drive system contact area can be made by this method to increase, the possibility of skidding when effectively reducing operation, give full play to rubber-tyred paver complete machine maneuverability, operating efficiency is high, the advantages such as transition is convenient, promote the raising of pavement spread quality.
The algorithm adopted in the utility model middle controller C1 is existing known algorithms most in use, by existing algorithm, can realize the purpose of this utility model by the said equipment.
Claims (3)
1. a rubber-tyred paver drive-control system, it is characterized in that: comprise controller (C1), the hand adjustment speed potentiometer (R1) for realizing stepless speed regulation is connected with controller (C1), foot-operated speed potentiometer (R2), the anti-slip switch (S1) be connected with controller (C1), the transition be connected with controller (C1)/operation switch (S2), the left rear wheel velocity sensor (B1) for gathering rubber-tyred paver left rear wheel travel speed is connected with controller (C1), the off hind wheel velocity sensor (B2) for gathering rubber-tyred paver off hind wheel travel speed is connected with controller (C1), the near front wheel velocity sensor (B3) for gathering rubber-tyred paver the near front wheel travel speed is connected with controller (C1), the off-front wheel velocity sensor (B4) for gathering rubber-tyred paver off-front wheel travel speed is connected with controller (C1), described controller (C1) connects the advance proportion magnetic valve (Y1) rotated for controlling trailing wheel driving pump respectively, retreat proportion magnetic valve (Y2), for controlling a left side, the near front wheel proportion magnetic valve (Y3) that off-front wheel driving pump rotates, off-front wheel proportion magnetic valve (Y4), described controller (C1) adopts PLC, and PLC utilizes the closed-loop control of pid algorithm realization to front and back wheel.
2. a kind of rubber-tyred paver drive-control system according to claim 1, it is characterized in that: described left rear wheel velocity sensor (B1), off hind wheel velocity sensor (B2) adopt hall-effect speed sensor, on the corresponding fixed support be arranged on above left and right Rear wheel pivoting axle; Described the near front wheel velocity sensor (B3) and off-front wheel velocity sensor (B4) adopt hall-effect speed sensor, the corresponding motor internal being arranged on the left and right front-wheel driving pump of rubber-tyred paver.
3. a kind of rubber-tyred paver drive-control system according to claim 1 and 2, is characterized in that: described hand adjustment speed potentiometer (R1) is arranged on the operating desk of rubber-tyred paver driver's cabin; Described foot-operated speed potentiometer (R2) is arranged on the service brake place of rubber-tyred paver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205821.4U CN204139028U (en) | 2014-04-24 | 2014-04-24 | A kind of rubber-tyred paver drive-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205821.4U CN204139028U (en) | 2014-04-24 | 2014-04-24 | A kind of rubber-tyred paver drive-control system |
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| Publication Number | Publication Date |
|---|---|
| CN204139028U true CN204139028U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420205821.4U Expired - Fee Related CN204139028U (en) | 2014-04-24 | 2014-04-24 | A kind of rubber-tyred paver drive-control system |
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| CN (1) | CN204139028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958182A (en) * | 2017-04-28 | 2017-07-18 | 徐工集团工程机械股份有限公司 | A kind of wheel-type spreading machine running gear and its control method |
| CN114481760A (en) * | 2022-02-14 | 2022-05-13 | 湖南三一中益机械有限公司 | Control method of paver and paver |
-
2014
- 2014-04-24 CN CN201420205821.4U patent/CN204139028U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958182A (en) * | 2017-04-28 | 2017-07-18 | 徐工集团工程机械股份有限公司 | A kind of wheel-type spreading machine running gear and its control method |
| CN114481760A (en) * | 2022-02-14 | 2022-05-13 | 湖南三一中益机械有限公司 | Control method of paver and paver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20150424 |
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| EXPY | Termination of patent right or utility model |