CN103374871B - A kind of air-path control system for pitch sprinkling paver - Google Patents
A kind of air-path control system for pitch sprinkling paver Download PDFInfo
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- CN103374871B CN103374871B CN201310312997.XA CN201310312997A CN103374871B CN 103374871 B CN103374871 B CN 103374871B CN 201310312997 A CN201310312997 A CN 201310312997A CN 103374871 B CN103374871 B CN 103374871B
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Abstract
The invention discloses a kind of air-path control system for pitch sprinkling paver, the open and close action of the sprinkling Control Component consisting of air-operated solenoid valve and pneumatic actuator realizes sprinkling and the hold function to emulsified asphalt, drive the action of spraying Control Component by the compressed air source unit being formed by parts such as air compressor machine, cooling line, drying device, gas receivers, the response of spraying Control Component by the pulse protocol signal controlling of impulse controller, finally realizes the accurate control of emulsified asphalt sprinkling amount; After having constructed, by annotate diesel oil compressed air is imported to the ducted method of pitch carry out the cleaning of pitch pipeline in pitch pipeline. Air-channel system of the present invention, extensibility is good, simple to operate, takes up room little.
Description
Technical field
The present invention relates to pitch sprinkling paver field, particularly relate to a kind of air-path control system for pitch sprinkling paver.
Background technology
In the past, in highway maintenance construction, often adopted traditional construction technology mode, i.e. interval before and after emulsified asphalt distribution vehicle and bituminous pavement paving machine, the construction operation mode that works alone. This construction, is sprayed onto emulsified asphalt binder on the road surface of pre-protection in advance with special pitch sprinkling car often, and then asphalt-spreader is spraying bituminous mixture laying on the road surface of Over emulsfication pitch. This type of operating type not only efficiency of construction is low, and labour intensity is large, and very easily causes environmental pollution, the situation of waste of material.
At present, for the problem existing in above-mentioned construction technology, although there is the Multifunctional asphalt spread paver that spread function and asphalt paving function are integrated in one on market, as Fu Gele is equipped with the S1800-2JET paver of sprinkling module device and the RP600S paver of Xu work science and technology, but they are in the time spraying construction operation, can only utilize the open and close of air-control device control shower nozzle to realize continuous sprinkling, and the uniformity that cannot spray according to the sprinkling amount control of the speed of paving, paving width and setting.
For fear of the appearance of the problems referred to above, the patent No. is the flusher that 201110440290.8 Chinese invention patent has proposed a kind of transverse shifting, the main feature of this device be advance at paver movably guide rail bracket of one is set in a lateral direction, shower nozzle is fixed on guide rail bracket, the method of utilizing guide rail bracket translational speed and the paver speed of paving to match, realizes the control of sprinkling amount under the pattern that paves at a slow speed. After sprinkling completes, utilize gas path device that compressed air is imported in spraying pipeline, emulsified asphalt residue is blown to and in asphalt tank, carries out flushing of pipeline. This flusher, although can realize to a certain extent the control of sprinkling amount under the pattern that paves at a slow speed, the gas path device increasing, can only be used for the flushing of bitumen pipeline. So extra track-type facilities and the gas path device increasing of this device, has not only increased product cost, has strengthened paver host machine integral installing space, and complex operation, is difficult for realizing.
The patent No. is that 201120469666.3 Chinese utility model patent has proposed a kind of air pressure type emulsified asphalt asphalting device, this device is that compressed air is imported in emulsified asphalt tank body, utilize compressed-air actuated pressure that emulsified asphalt is pressed onto in spraying pipeline, by shower nozzle, emulsified asphalt is sprayed onto on ground. After sprinkling finishes, air pressure is imported in spraying pipeline, the residue in spraying pipeline is blown to and in asphalt tank, carries out flushing of pipeline. This vapour-pressure type flusher, although the effect of gas path device has been guided to sprinkling and the flushing of bitumen pipeline, but it is the sprinkling amount of uncontrollable emulsified asphalt, and compressed air exists pressure control unstable and by the potential risk of emulsified asphalt oxidation to harness emulsion, so this device is difficult for realizing in actual applications.
Summary of the invention
The problem existing for above-mentioned prior art, the invention provides a kind of air-path control system for pitch sprinkling paver, can make sprinkling amount controlled accurately, can also rinse spraying pipeline.
The technical solution used in the present invention is: comprise air compressor machine, drying device, gas receiver, pneumatic ball valve, air gauge, manual ball valve, check valve, sprinkling Control Component, diesel oil filling box and emulsified asphalt pipeline accessory system; Emulsified asphalt pipeline accessory system comprises emulsified asphalt tank and bitumen pipeline, described sprinkling Control Component is connected to form by air-operated solenoid valve and pneumatic actuator, spraying Control Component is arranged on the bitumen pipeline of emulsified asphalt pipeline accessory system, the air-operated solenoid valve that sprays Control Component is connected by the pipeline of air-channel system with the outlet of the compressed air source unit being made up of air compressor machine, drying device, gas receiver parts, and the outlet of compressed air source unit is connected with the input of emulsified asphalt pipeline accessory system by manual ball valve, check valve and diesel oil filling box; The flushing of bitumen pipeline is that the compressed air providing toward annotate in pitch pipeline diesel oil and compressed air source unit by diesel oil filling box completes jointly, also comprises impulse controller, and impulse controller is connected with the air-operated solenoid valve that sprays Control Component.
Between described air compressor machine and drying device, be provided with cooling line, the arrival end of described cooling line is connected with air compressor machine, and the port of export of described cooling line is connected with the arrival end of drying device.
Described cooling line is to be curved snakelike shape and be placed in radiator front end by stainless steel tube.
The principal character of this system is to utilize this air-path control system to realize the pulse control of sprinkling amount and the large function of the flushing of spraying pipeline two in one, and integrated degree is high, easy operating. Wherein air compressor machine, cooling device, drying device and caisson are had to the source of the gas of certain pressure and air themperature appropriateness, air quality cleaning by gas circuit annex one of the composition that links together; Air-operated solenoid valve and pneumatic actuator are joined together to form to sprinkling Control Component; Sprinkling Control Component is installed in emulsified asphalt pipeline accessory system, then be distributed in paver around by containing the spraying pipeline that sprays Control Component, arrange in the front end of hopper of paver, the rear end of paver both sides crawler belt, the telescopic section of paver both sides screed, can realize like this air-channel system all standing control to whole paving concrete pavement with bitumen pipeline; The delivery outlet of impulse controller is connected with each pneumatic control valve that sprays Control Component, so just pulse control program can be applied in the accurate control of pneumatic sprinkling amount; By pneumatic ball valve, the return line of bitumen pipeline is connected with pitch tank body, can realizes by air-path control system so automatic " opening ", " pass " of bitumen pipeline; By three-way connection and manual ball valve, the entrance of diesel oil filling box and bitumen pipeline is connected, then air-path control system is connected with diesel oil filling box by check valve and manual ball valve, so just, can be after sprinkling finish, by toward spraying pipeline filling diesel oil and import compressed-air actuated mode and carried out pipeline-cleaning.
Stringing mode of the present invention is as follows: have and possess the paver of the function that normally paves and supporting screed, and on paver, will have corresponding impulse controller and emulsified asphalt pipeline accessory system. First air compressor machine is connected with diesel engine, produces pre-treatment source of the gas by Diesel Driven air compressor machine; Spiral coil cooling tube is fixed on paver radiator, outlet is connected its arrival end with air compressor machine, the port of export is connected with drier, so not only can carry out cooling heat dissipation to the source of the gas of air compressor machine outlet, but also can by drier by source of the gas be dried, water-oil separating, pressure regulation processing, so just can obtain the required post processing source of the gas of pneumatic actuator; For sufficient source of the gas is provided, make full use of the interior stall space of paver, the gas bag with a constant volume can be fixed on paver diesel fuel tanks, not only easy to connect and also be easy to safeguard; Spray in pipeline and want tool for mounting sprinkling Control Component at regular intervals at each, and each sprinkling Control Component connects with special gas circuit annex (comprising tracheae, pneumatic joint etc.), and ensure that each sprinkling Control Component will have the compressed air of certain pressure to act on air-operated solenoid valve; Spray Control Component and coordinate formation sealing device by the piston seal of pneumatic actuator through bitumen pipeline and the shower nozzle of through-flow emulsified asphalt, in the time spraying control, can carry out " open and close " to air-operated solenoid valve by pulse control program controls, indirect operation pneumatic actuator thereby " stretch, contract ", finally realizes the pulse control of sprinkling amount; By pneumatic ball valve actuating unit, the refluxing opening of bitumen pipeline is connected with pitch tank body, can realizes the automatic open close that emulsified asphalt sprays by the button on console like this; Diesel oil filler place at pitch tank body is incorporated into air-channel system in diesel oil filling box by check valve and manual ball valve, like this can be after emulsified asphalt have sprayed, by the port closing of emulsified asphalt tank, toward bitumen pipeline filling diesel oil, then open air pressure by manual ball valve and carry out the flushing of bitumen pipeline; Be easy to approaching position workmen visual air gauge is installed, the air pressure in air-channel system is incorporated into air gauge, workmen can monitor the air pressure change of air-path control system in real time like this; Finally by each gas circuit subsystem by gas circuit annex (tracheae and pneumatic joint) link together just formed one highly integrated, that automaticity is high, that Scalable Performance is good, integrate to spray and control and the stringing of the pitch sprinkling paver air-path control system of flushing of pipeline two large major functions.
The present invention's advantage and good effect is compared with prior art: this pitch sprinkling paver air-path control system not only can refer to pulse control mode in the accurate control of sprinkling amount, but also can be for the flushing of bitumen pipeline, this is that pitch sprinkling paver air-channel system in the past cannot be accomplished. Moreover, this system expandability is good, simple to operate, takes up room little, so be specially adapted to the engineering machinery of this limited space of paver. The good characteristics such as in when construction, pneumatic system is due to its environmentally safe, and air pressure is low, so be a kind of desirable selection mode in engineering machinery construction application.
Brief description of the drawings
Fig. 1: be air-path control system schematic diagram of the present invention.
Fig. 2: be the top view of gas circuit stringing of the present invention on paver.
Fig. 3: be snakelike radiating tube installation diagram.
In figure: 1, air-channel system, 2, impulse controller, 3, bitumen pipeline, 4, spray pneumatic control component subsystem below,
5, pneumatic control component subsystem is sprayed in side, and 6, spray pneumatic control component subsystem above, 11, air compressor machine, 12, cooling line, 13, drying device, 14, gas receiver, 15, air-operated solenoid valve, 16, pneumatic actuator, 17, pneumatic ball valve, 18, air gauge, 19, manual ball valve, 110, check valve, 21, diesel oil filling box, 22, emulsified asphalt tank.
Detailed description of the invention:
As shown in Figure 1, native system is mainly made up of parts such as air compressor machine 11, cooling line 12, drying device 13, gas receiver 14, air-operated solenoid valve 15, pneumatic actuator 16, pneumatic ball valve 17, air gauge 18, manual ball valve 19, check valves 110, except this, also should comprise impulse controller 2, diesel oil filling box 21 and emulsified asphalt pipeline accessory system, emulsified asphalt pipeline accessory system comprises emulsified asphalt tank 22 and bitumen pipeline 3.
In the time carrying out air-channel system stringing, can install and stringing with reference to Fig. 2 and accompanying drawing 3. Air compressor machine 11 is arranged on diesel engine, produces source of the gas by Diesel Driven air compressor machine 11, being then bent into snakelike shape with the stainless steel tube of 6-8 rice becomes cooling line 12, and is placed in the front end of paver radiator; By bolt, the drying of drying device 13 is arranged on the left side beam of paver, and air inlet is connected with cooling line 12, gas outlet is connected with the gas receiver 14 that is arranged on paver diesel fuel tanks side; By pneumatic accessories, gas circuit is divided into seven tunnels, spray respectively and below that pneumatic control component subsystem 4, side spray pneumatic control component subsystem 5, the manual ball valve 19, the check valve 110 that spray in pneumatic control component subsystem 6, pneumatic ball valve 17, air gauge 18 and flushing line are connected to form a complete air-channel system 1 above, in each sprinkling pneumatic control component, with pneumatic joint, air-operated solenoid valve 15 be connected with pneumatic actuator 16 and be arranged on bitumen pipeline 3. One end of pneumatic ball valve 17 is connected with the refluxing opening of emulsified asphalt pipeline accessory system 3, another port is connected with the port of emulsified asphalt tank 22, the pneumatic control mouth of pneumatic ball valve 17 is connected with a branch road of air-channel system 1, by " switching " of the pneumatic ball valve 17 of pneumatic control, control off-load and pressure foundation that emulsified asphalt pipeline 3 refluxes, thereby realize beginning and the finishing control of spraying operation. Emulsified asphalt spread paver, before starting, should guarantee that each systemic-function is normal, and air-channel system should be without phenomenons such as gas leakage, power-off. Pave before construction, should first start air-channel system 1, observe and barometricly indicate whether in about 8bar, whether drying device 13 carries out normal exhaust to judge the normal of its function.
In the time of emulsified asphalt spraying operation, by pneumatic ball valve 17, bitumen pipeline 3 is opened completely, make the emulsified asphalt in pipeline fully mobile, form reflux cycle. Then pneumatic ball valve 17 is closed, make bitumen pipeline 3 set up certain pressure; After spreader starting, impulse controller 2 is exported " open and close " of control signal control air-operated solenoid valve 15, and then handle pneumatic actuator 16 and carry out " stretch, contract " action, thereby the pulsed that drives shower nozzle to complete emulsified asphalt is sprayed and is controlled, after sprinkling has paved, open the oil returning tube of bitumen pipeline 3 by pneumatic ball valve 17, make bitumen pipeline 3 pressure off-loads, finish spraying operation.
After emulsified asphalt has sprayed, need to clean bitumen pipeline 3. Now, first by diesel oil filling box 21, diesel oil is filled in bitumen pipeline 3, then close diesel oil filling box 21, by opening manual ball valve 19, air pressure is incorporated in bitumen pipeline 3, close the return line of bitumen pipeline 3 simultaneously by pneumatic ball valve 17, and open and spray Control Component, so just the emulsified asphalt residue in bitumen pipeline 3 can be blown out to sprinkling pipeline and carry out washing and cleaning operation.
The use of system of the present invention is not limited in this, can also air-channel system 1 be drawn to a branch for the paver flushing of pitch residue around by external pipeline, so air-channel system extensibility of the present invention is good, simple to operate, take up room little, be especially specially adapted to the engineering machinery of this limited space of pitch sprinkling paver.
Claims (3)
1. the air-path control system for pitch sprinkling paver, it is characterized in that, comprise air compressor machine, drying device, gas receiver, pneumatic ball valve, air gauge, manual ball valve, check valve, sprinkling Control Component, diesel oil filling box and emulsified asphalt pipeline accessory system; Emulsified asphalt pipeline accessory system comprises emulsified asphalt tank and bitumen pipeline, described sprinkling Control Component is connected to form by air-operated solenoid valve and pneumatic actuator, spraying Control Component is arranged on the bitumen pipeline of emulsified asphalt pipeline accessory system, the air-operated solenoid valve that sprays Control Component is connected by the pipeline of air-channel system with the outlet of the compressed air source unit being made up of air compressor machine, drying device, gas receiver parts, and the outlet of compressed air source unit is connected with the input of emulsified asphalt pipeline accessory system by manual ball valve, check valve and diesel oil filling box; The flushing of bitumen pipeline is that the compressed air providing toward annotate in pitch pipeline diesel oil and compressed air source unit by diesel oil filling box completes jointly, also comprise impulse controller, impulse controller is connected with the air-operated solenoid valve that sprays Control Component, one end of pneumatic ball valve is connected with the refluxing opening of emulsified asphalt pipeline accessory system, and another port is connected with the port of emulsified asphalt tank.
2. a kind of air-path control system for pitch sprinkling paver according to claim 1, it is characterized in that, between described air compressor machine and drying device, be provided with cooling line, the arrival end of described cooling line is connected with air compressor machine, and the port of export of described cooling line is connected with the arrival end of drying device.
3. a kind of air-path control system for pitch sprinkling paver according to claim 2, is characterized in that described cooling line is to be curved snakelike shape and be placed in radiator front end by stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310312997.XA CN103374871B (en) | 2013-07-24 | 2013-07-24 | A kind of air-path control system for pitch sprinkling paver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310312997.XA CN103374871B (en) | 2013-07-24 | 2013-07-24 | A kind of air-path control system for pitch sprinkling paver |
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| Publication Number | Publication Date |
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| CN103374871A CN103374871A (en) | 2013-10-30 |
| CN103374871B true CN103374871B (en) | 2016-05-18 |
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| CN201310312997.XA Active CN103374871B (en) | 2013-07-24 | 2013-07-24 | A kind of air-path control system for pitch sprinkling paver |
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| CN106284026A (en) * | 2015-06-04 | 2017-01-04 | 上海城建新路桥建设工程有限公司 | Colophonium slip casting complete set of equipments |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3586167B2 (en) * | 2000-03-31 | 2004-11-10 | 株式会社Ｎｉｐｐｏコーポレーション | Bituminous material spraying equipment |
| JP2006299695A (en) * | 2005-04-22 | 2006-11-02 | Sankyo Kk | Asphalt emulsion spraying device |
| CN102493320A (en) * | 2011-12-19 | 2012-06-13 | 陕西长大实业有限公司 | Spraying apparatus, paving machine, and construction method of liquid-state asphalt |
| CN202323643U (en) * | 2011-11-23 | 2012-07-11 | 凌均耀 | Air pressure type emulsified asphalt asphalting device |
| CN203429532U (en) * | 2013-07-24 | 2014-02-12 | 徐工集团工程机械股份有限公司道路机械分公司 | Gas circuit control system for asphalt distribution paver |
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2013
- 2013-07-24 CN CN201310312997.XA patent/CN103374871B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3586167B2 (en) * | 2000-03-31 | 2004-11-10 | 株式会社Ｎｉｐｐｏコーポレーション | Bituminous material spraying equipment |
| JP2006299695A (en) * | 2005-04-22 | 2006-11-02 | Sankyo Kk | Asphalt emulsion spraying device |
| CN202323643U (en) * | 2011-11-23 | 2012-07-11 | 凌均耀 | Air pressure type emulsified asphalt asphalting device |
| CN102493320A (en) * | 2011-12-19 | 2012-06-13 | 陕西长大实业有限公司 | Spraying apparatus, paving machine, and construction method of liquid-state asphalt |
| CN203429532U (en) * | 2013-07-24 | 2014-02-12 | 徐工集团工程机械股份有限公司道路机械分公司 | Gas circuit control system for asphalt distribution paver |
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| CN103374871A (en) | 2013-10-30 |
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