CN104238504B - Curing process device control system of polyurethane foam curing track bed - Google Patents
Curing process device control system of polyurethane foam curing track bed Download PDFInfo
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- CN104238504B CN104238504B CN201410431885.0A CN201410431885A CN104238504B CN 104238504 B CN104238504 B CN 104238504B CN 201410431885 A CN201410431885 A CN 201410431885A CN 104238504 B CN104238504 B CN 104238504B
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Abstract
The invention relates to a curing process device control system of a polyurethane foam curing track bed. A heating and dehumidifying trolley control system utilizes high-pressure hot gas generated by a heater manufacturing device control system to heat a sealed track bed area, a cooling and dust removal trolley control system controls and injects high-pressure cold air to the heated track bed, so that the temperature of the track bed is lowered and dust on the heated tack bed is removed, a polyurethane storage carriage control system automatically pumps materials and conveys the materials to a foaming work carriage, a foaming work carriage control system controls setting of foam proportions, and a pouring trolley control system controls a trolley to pour polyurethane foam to the two sides of a sleeper on the dehumidified and dedusted track bed area. The curing process device control system of the polyurethane foam curing track bed can automatically complete railway ballast dehumidification and polyurethane pouring of the whole construction process, is good in sustainability, solves the problems of railway ballast dehumidification and polyurethane pouring when an existing track bed system is improved into the polyurethane foam curing track bed, is easy and visual to operate, is high in construction efficiency, and saves a great deal of manpower and great material resources for railway track bed curing construction.
Description
Technical field
The present invention relates to a kind of control system of Ballast track railway ballast cured equipment, more particularly to a kind of poly- ammonia
The cured apparatus control system of ester foam curing railway roadbed.
Background technology
Railway track structure is made up of the part such as rail, sleeper, fastener, railway roadbed, track switch.Existing railway ballast mainly divides
For Ballast track railway roadbed and ballastless track bed.Traditional Ballast track railway roadbed mainly uses the road that the bulk cargos such as rubble are paved into
The tiny fragments of stone, coal, etc., road-metal and sleeper play increasing stress surface, dispersion train pressure, the effect for preventing rail sagging.With road speed not
It is disconnected to improve, there is the concussion that ballast bed uneven subsidence is produced serious, the damaged deformation aggravation of track;Simultaneously as freight volume, railway roadbed are dirty
Great changes will take place for the difference of dirty degree, its elastic modelling quantity and internal friction angle, so maintenance period is short, needs substantial amounts of maintenance people
Member, takes time and effort, and affects the normal operation of railway.
Non-fragment orbit refers to the track knot for replacing shot ballast bed using mass-type foundations such as concrete, asphalts
Structure, its sleeper are that concrete casting is formed in itself, and roadbed, without rubble, rail, sleeper are directly layered in way of concrete foundations.
It is ballastless track bed to reduce dust, beautify the environment, it is that a kind of maintenance workload is few, globality is strong, the railway roadbed that surface is clean and tidy
Structure.As solid concrete roabed is subject to the flexural member of DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES lotus repeated action, stiffness by itself is big, and elasticity is poor, so
It is higher to the aeroelastic requirements of rail fastening and elastic insert;Additionally due to the concrete of railway roadbed itself is continuous cast-in-place, therefore deposit
In multilamellar constructing structure face, under the repeated action of train load, railway roadbed easily sinks, ftractures, rises soil, once and substrate
Generation depression, repairs extremely difficult therefore high to construction precision and construction quality requirement.
The method for having occurred at present reinforcing railway roadbed using polymeric material, such as polyurethane foam solidification railway roadbed
Mainly it is made up of railway ballast building stones and polyurethane foam, polyurethane foam is poured in the hole of crossties of the track, foaming, solidification
To reinforce railway roadbed;Cast-in-site polyurethane railway roadbed is higher for the environment and construction process requirement at cast scene, needs to be dried clean
Net laying environment, while the cast of polyurethane is carried out under fixed temperature and pressure, it is therefore desirable to which one kind disclosure satisfy that railway roadbed
The control system of solidification construction requirement, improves work efficiency, strengthens construction quality.
The content of the invention
For the deficiencies in the prior art, the present invention provides the control that a kind of polyurethane foam solidifies railway roadbed cured equipment
System, can not only meet all construction requirements that polyurethane foam solidifies railway roadbed cured equipment, while automaticity
Height, simple to operate, efficiency of construction is high.
For achieving the above object, this polyurethane foam solidifies the cured apparatus control system of railway roadbed, including heating installation system
Manufacturing apparatus control system, heating and dehumidification trolley control system, cooling dedusting trolley control system, casting trolley control system, send out
Bubble work carriage control system and polyurethane storage carriage control system;
The liquefied gas burning of heating installation manufacturing equipment control system control Jing gasification furnace gasifications, and utilize heating generator convection current
The air of Jing is heated to design temperature;Heating and dehumidification trolley control system control heating and dehumidification dolly sealing plate folding build it is close
Envelope railway roadbed region, is carried out adding by the set time to sealing railway roadbed region using the high-pressure hot gas generated by heating installation manufacturing equipment
Heat;Cooling dedusting trolley control system on heated railway roadbed by control cooling dedusting dolly sealing plate folding building
Sealing area, and high pressure cold air reduction road bed tempertaure is injected to temperature required and dedusting;Polyurethane stores carriage control system
Automatically take out material and conveying is to the work compartment that foams;The temperature of foaming work carriage control system control polyurethane, pressure, and complete
Black material, white material, the setting of catalyst three foaming ratio;Casting trolley control system controls railway roadbed of the dolly in dehumidifying dedusting
Polyurethane foam is poured into sleeper both sides by region.
Heating installation manufacturing equipment control system includes that ignition switch, temperature setting display instrument, temperature sensor, heating occur
Device, the gas electromagnetic valve of control combustion gas and gasification furnace and controller;Ignition switch is delivered to controller, controller by order is started
Control heating generator and gas electromagnetic valve, heating generator are connected with gasification furnace by gas electromagnetic valve, and controller is by control
The break-make of gas electromagnetic valve processed enters the air inflow of heating generator to control gasification furnace;Temperature sensor and temperature setting show
Signal is delivered to controller by instrument.
Heating generator can have multiple choices, such as air stove, electric heater etc., it is preferred that the heating generator
For Infrared Heating generator.
Used as further improving, heating installation manufacturing equipment control system also includes the temperature indicator being connected with controller.
Heating and dehumidification trolley control system includes drying air fan, air compressor, temperature sensor and controller, dry wind
Machine to be connected with heating installation manufacturing equipment and be dried gases at high pressure for providing;Controller controls opening for air compressor and drying air fan
Close, to controller input working time;Operation switch output order is controlled to controller, controller by automatically controlled two-position five-way valve
The action of executor's cylinder, air compressor are connected for providing source of the gas with cylinder loop;Signal is delivered to by temperature sensor
Controller.
Cooling dedusting trolley control system includes temperature adjustment blower fan, air compressor, temperature sensor and controller, homoiothermic wind
Machine extracts natural wind;Controller controls the keying of air compressor and temperature adjustment blower fan, to controller input working time;Operation is opened
Output order is closed to controller, controller controls the action of executor's cylinder by automatically controlled two-position five-way valve, air compressor and
Cylinder loop is connected for providing source of the gas;Signal is delivered to controller by temperature sensor.
Casting trolley control system includes controller, limit switch, cylinder control valve block, servo-driver and servo electricity
Machine, controller are connected with cylinder control valve block and servo-driver, and signal is delivered to controller by limit switch;Setting cast is little
The pour point position of car, and signal is delivered to into controller, controller is driven by servo driver drives servomotor and is poured
Head is moved.
Foaming work carriage control system includes controller, casting valve block, cold and hot unit and dosing pump, design temperature, thing
Material ratio, mass flow and material pressure, and signal is delivered to into controller;Controller controls the water circulation system in cold and hot unit
Temperature;Controller passes through dosing pump control material ratio and flow;Controller is by controlling casting valve block control material pressure;Liquid
Signal is delivered to controller by level detection sensor, and controller is connected with alarm device.
Polyurethane storage carriage control system includes controller, conveying motor, takes out material motor and pneumatic ball valve, controller point
Do not expect that motor, conveying motor and pneumatic ball valve are connected with taking out, controller control is taken out material motor and material taken out to storage batch can;Controller control
The polyurethane stored in batch can to the pans conveying in foaming work compartment, is stored the liquid level arranged in batch can by conveying motor processed
Detection sensor is input a signal into controller, and automatic feeding is realized in the folding of controller control pneumatic ball valve.
Described heating and dehumidification trolley control system, cooling dedusting trolley control system, casting trolley control system, foaming
Work carriage control system and polyurethane storage carriage control system are respectively provided with the touch screen being connected with controller, by touch screen
The parameter signal of setting is delivered to into controller;The liquid level that batch can is stored in polyurethane storage carriage control system can be from touch screen
Show.
After touch screen sets desired parameters, the control system of cured equipment can be automatic by advance for the present invention
Railway ballast dehumidifying and the cast polyurethane of whole work progress are completed, sustainability is good, solves and is modified to existing ballast bed system
The railway ballast dehumidifying of polyurethane foam solidification railway roadbed and a cast difficult problem, simple and direct-viewing operation, efficiency of construction are high, are railway ballast solidification
Substantial amounts of manpower and materials are saved in construction.
Description of the drawings
Fig. 1 is principle of the invention schematic diagram;
Principle schematics of the Fig. 2 for heating installation manufacturing equipment control system;
Principle schematics of the Fig. 3 for heating and dehumidification trolley control system;
Fig. 4 is the principle schematic of cooling dedusting trolley control system;
Principle schematics of the Fig. 5 for casting trolley control system;
Fig. 6 is foaming work carriage control system principle schematic;
Fig. 7 is the principle schematic that polyurethane stores carriage control system.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
As shown in figure 1, this polyurethane foam solidifies the cured apparatus control system of railway roadbed, including heating installation manufacturing equipment
Control system, heating and dehumidification trolley control system, cooling dedusting trolley control system, casting trolley control system, foaming work
Carriage control system and polyurethane storage carriage control system;
The liquefied gas burning of heating installation manufacturing equipment control system control Jing gasification furnace gasifications, and utilize heating generator convection current
The air of Jing is heated to design temperature;Heating and dehumidification trolley control system control heating and dehumidification dolly sealing plate folding build it is close
Envelope railway roadbed region, is carried out adding by the set time to sealing railway roadbed region using the high-pressure hot gas generated by heating installation manufacturing equipment
Heat;Cooling dedusting trolley control system on heated railway roadbed by control cooling dedusting dolly sealing plate folding building
Sealing area, and high pressure cold air reduction road bed tempertaure is injected to temperature required and dedusting;Polyurethane stores carriage control system
Automatically take out material and conveying is to the work compartment that foams;The temperature of foaming work carriage control system control polyurethane, pressure, and complete
Black material, white material, the setting of catalyst three foaming ratio;Casting trolley control system controls railway roadbed of the dolly in dehumidifying dedusting
Polyurethane foam is poured into sleeper both sides by region.
As shown in Fig. 2 heating installation manufacturing equipment control system include ignition switch, temperature setting display instrument, temperature sensor,
Heating generator, the gas electromagnetic valve of control combustion gas and gasification furnace and controller;Ignition switch is delivered to control by order is started
Device, controller control heating generator and gas electromagnetic valve, heating generator are connected with gasification furnace by gas electromagnetic valve, are controlled
Device enters the air inflow of heating generator by the break-make for controlling gas electromagnetic valve to control gasification furnace;Temperature sensor and temperature
Signal is delivered to controller by setting display instrument.
Heating generator can have multiple choices, such as air stove, electric heater etc., it is preferred that the heating generator
For Infrared Heating generator.
Used as further improving, heating installation manufacturing equipment control system also includes the temperature indicator being connected with controller.
The liquefied gas burning of heating installation manufacturing equipment control system control Jing gasification furnace gasifications, and will be flowed using heating generator
The air of Jing is heated to design temperature.The temperature required for setting in display instrument, starting ignition switch, igniting are set in temperature
Switch will start order and be delivered to controller, controller control Infrared Heating generator and gas electromagnetic valve action, Jing gasification furnaces
The fuel gas buring of gasification forms high-temperature flue gas, when the little in-car temperature of heating installation manufacturing equipment reaches design temperature, temperature sensing
Signal is delivered to controller by device, and controller control temperature indicator extinguishes, while gas electromagnetic valve resets, stops air inlet, plus
Heat is temporarily ceased.
The programming rate of Infrared Heating generator is fast, and thermal conversion efficiency is high, long service life, while good energy-conserving effect, heat
Loss is less;Gas electromagnetic valve ensure that uses gas safety, meets safety management requirement;The convenient work people of the setting of temperature indicator
Member understands equipment operation condition, is further ensured that equipment safety operation.
As shown in figure 3, heating and dehumidification trolley control system includes drying air fan, air compressor, temperature sensor and control
Device processed, drying air fan to be connected with heating installation manufacturing equipment and be dried gases at high pressure for providing;Controller controls air compressor and does
The keying of dry blower fan, to controller input working time;Operation switch output order passes through automatically controlled two to controller, controller
Five-way valve controls the action of executor's cylinder, and air compressor is connected for providing source of the gas with cylinder loop;Temperature sensor will
Signal is delivered to controller.
Heating and dehumidification trolley control system be used to controlling heating and dehumidification dolly sealing plate folding build sealing railway roadbed region,
Heated by the set time to sealing railway roadbed region using the high-pressure hot gas generated by heating installation manufacturing equipment, excluded wet
Gas.To controller input instruction, controller completes cylinder action by controlling the double automatically controlled two-position five-way valves of gas circuit to Operation switch
Dolly brake, the action that car rack declines, sleeper is held tightly, guide rail is held tightly, so as to form closed railway ballast space, air compressor
Source of the gas is provided for cylinder;Heat time heating time is set in touch screen, controller output enabling signal starts drying air fan and manufactures heating installation
The high-temperature flue gas that equipment is generated are pumped to closed railway ballast area, and setting time is to rear autostop;Temperature detector monitors closed road
The rail components temperature such as rubber blanket in tiny fragments of stone, coal, etc. space, prevents temperature from causing part to damage higher than the invalid temperature of the rail components such as rubber blanket
It is bad.
As shown in figure 4, cooling dedusting trolley control system includes temperature adjustment blower fan, air compressor, temperature sensor and control
Device processed, temperature adjustment blower fan extract natural wind;Controller controls the keying of air compressor and temperature adjustment blower fan, to controller input service
Time;To controller, controller controls the action of executor's cylinder to Operation switch output order by automatically controlled two-position five-way valve, empty
Air compressor is connected for providing source of the gas with cylinder loop;Signal is delivered to controller by temperature sensor.
Cooling dedusting trolley control system on heated railway roadbed by control cooling dedusting dolly sealing plate folding
To build sealing area, and road bed tempertaure is reduced to temperature required while gases at high pressure are by railway roadbed by injecting high pressure cold air
Dust is removed.The control process of cooling dedusting trolley control system and the control process substantially phase of heating and dehumidification trolley control system
Together, difference be temperature adjustment blower fan extracted for natural wind.
As shown in figure 5, casting trolley control system includes controller, limit switch, cylinder control valve block, servo-driver
And servomotor, controller is connected with cylinder control valve block and servo-driver, and signal is delivered to controller by limit switch;If
Determine the pour point position of casting trolley, and signal is delivered to into controller, controller passes through servo driver drives servomotor
To drive pouring head to move.
Casting trolley control system controls dolly and exists according to construction of railways technological requirement in the railway roadbed region of dehumidifying dedusting
Sleeper both sides carry out cast polyurethane;Operation switch utilizes cylinder to controller input instruction, controller control cylinder lifting/lowering valve
The height of adjustment pouring head;The position of sleeper both sides pour point is set on casting trolley touch screen, controller control servo is driven
Dynamic device makes pouring head be automatically stopped in setting position, and servo-driver is driven using open collector, direction+pulse train positive logic
Flowing mode, receives the pulse train sent from controller by pulse input interface, drives servomotor to drag pouring head in-orbit
The setting cast dot sequency movement of pillow both sides completes automatic casting;Touch screen controls single-point cast manually, and controller signals control is poured
Head accurately stops completing single-point cast;According to the manual operation switch that needs of construction, controller control hoisting arm expansion, cast is made
Dolly moves ahead and is not limited by institute's connecting pipeline;Each action is respectively provided with limit switch, when casting trolley reaches the limit of position, control
Device processed controls servo-driver and cylinder control valve to limit the action of dolly.
As shown in fig. 6, foaming work carriage control system includes controller, casting valve block, cold and hot unit and dosing pump, if
Constant temperature degree, material ratio, mass flow and material pressure, and signal is delivered to into controller;Controller is controlled in cold and hot unit
The temperature of water circulation system;Controller passes through dosing pump control material ratio and flow;Controller is by controlling the control of casting valve block
Material pressure;Signal is delivered to controller by liquid level detecting sensor, and controller is connected with alarm device.
The temperature of foaming work carriage control system closed loop regulation and control polyurethane, pressure, and complete black material, white material, catalyst
The setting of three's foaming ratio, it is ensured that optimum state of the polyurethane of casting trolley cast in its mixed foaming, and realize material position
Lower limit warning function.Material temperature is set on the touchscreen, and controller controls the water circulation system of cold and hot unit and adjusts material temperature in good time;Touch
The pressure of screen setting material is touched, controller makes the pressure of material to reach setting value using building the pressure by adjusting cast head valve block;Touch
The black material of screen setting, white material, the material ratio of catalyst three and flow velocity, flow are touched, controller controls the output frequency of converter, makes meter
Amount pump accurately measures the black material of output, white material, the amount of catalyst three, meets setting material ratio and flow, makes pouring head discharge and meet
The ratio of polyurethane foam, doses are required;Detection signal is delivered to controller by the liquid level detecting sensor arranged in pouring can,
Pouring can material position can be shown on the touchscreen, automatic alarm when material position is low.
As shown in fig. 7, polyurethane storage carriage control system includes controller, conveying motor, takes out material motor and Pneumatic ball
With taking out, valve, controller expect that motor, conveying motor and pneumatic ball valve are connected respectively, controller control is taken out material motor and taken out to storage batch can
Material;Controller controls conveying motor by the polyurethane stored in batch can to the pans conveying in foaming work compartment, stores batch can
The liquid level detecting sensor of interior setting is input a signal into controller, and the folding of controller control pneumatic ball valve is realized mending automatically
Material.
Polyurethane storage carriage control system can be realized taking out automatically material conveying, it is ensured that cast is persistently carried out.Construction is opened
Before beginning, controller starts takes out material motor, and polyurethane stores dolly and takes out material to storage batch can in website, and takes out according to construction demand
Take.Then polyurethane storage dolly is moved to construction point to the pans conveying in foaming work compartment, and controller starts conveying electricity
Machine and and control the folding of pneumatic ball valve, store the liquid level detecting sensor arranged in batch can and signal be delivered to into controller, control
Device processed controls conveying motor to the pans conveying in foaming work compartment by the folding of control pneumatic ball valve.
Described heating and dehumidification trolley control system, cooling dedusting trolley control system, casting trolley control system, foaming
Work carriage control system and polyurethane storage carriage control system are respectively provided with the touch screen being connected with controller, by touch screen
The parameter signal of setting is delivered to into controller;The liquid level that batch can is stored in polyurethane storage carriage control system can be from touch screen
Show.
After touch screen sets desired parameters, the control system of cured equipment can be automatic by advance for the present invention
Railway ballast dehumidifying and the cast polyurethane of whole work progress are completed, sustainability is good, solves and is modified to existing ballast bed system
The railway ballast dehumidifying of polyurethane foam solidification railway roadbed and a cast difficult problem, simple and direct-viewing operation, efficiency of construction are high, are railway ballast solidification
Substantial amounts of manpower and materials are saved in construction.
Claims (10)
1. a kind of polyurethane foam solidifies the cured apparatus control system of railway roadbed, including casting trolley control system, foaming
Work carriage control system and polyurethane storage carriage control system, it is characterised in that:Also include heating installation manufacturing equipment control system
System, heating and dehumidification trolley control system and cooling dedusting trolley control system;
The liquefied gas burning of heating installation manufacturing equipment control system control Jing gasification furnaces gasification, and using heating generator to flowing through
Air is heated to design temperature;Heating and dehumidification trolley control system control heating and dehumidification dolly sealing plate folding build sealing road
Bed region, is heated by the set time to sealing railway roadbed region using the high-pressure hot gas generated by heating installation manufacturing equipment;
Cooling dedusting trolley control system on heated railway roadbed by control cooling dedusting dolly sealing plate folding it is close to build
Envelope region, and high pressure cold air reduction road bed tempertaure is injected to temperature required and dedusting;Polyurethane storage carriage control system is certainly
It is dynamic to take out material conveying extremely foaming work compartment;The temperature of foaming work carriage control system control polyurethane, pressure, and complete black
Material, white material, the setting of catalyst three foaming ratio;Casting trolley control system controls dolly in the railway roadbed area of dehumidifying dedusting
Polyurethane foam is poured into sleeper both sides by domain.
2. polyurethane foam according to claim 1 solidifies the cured apparatus control system of railway roadbed, it is characterised in that:
Heating installation manufacturing equipment control system includes ignition switch, temperature setting display instrument, temperature sensor, heating generator, control combustion
The gas electromagnetic valve and gasification furnace of gas and controller;Ignition switch will start order and be delivered to controller, controller control heating
Generator and gas electromagnetic valve, heating generator are connected with gasification furnace by gas electromagnetic valve, and controller is by controlling combustion gas electricity
The break-make of magnet valve enters the air inflow of heating generator to control gasification furnace;Temperature sensor and temperature set display instrument by signal
It is delivered to controller.
3. polyurethane foam according to claim 1 solidifies the cured apparatus control system of railway roadbed, it is characterised in that:
Heating and dehumidification trolley control system includes drying air fan, air compressor, temperature sensor and controller, drying air fan and heating installation
Manufacturing equipment to be connected and be dried gases at high pressure for providing;Controller controls the keying of air compressor and drying air fan, to control
Device input working time;Operation switch output order controls executor gas by automatically controlled two-position five-way valve to controller, controller
The action of cylinder, air compressor are connected for providing source of the gas with cylinder loop;Signal is delivered to controller by temperature sensor.
4. polyurethane foam according to claim 1 solidifies the cured apparatus control system of railway roadbed, it is characterised in that:
Cooling dedusting trolley control system includes temperature adjustment blower fan, air compressor, temperature sensor and controller, and temperature adjustment blower fan is drawn from
Right wind;Controller controls the keying of air compressor and temperature adjustment blower fan, to controller input working time;Operation switch output refers to
Make to controller, controller controls the action of executor's cylinder, air compressor and cylinder loop by automatically controlled two-position five-way valve
It is connected for providing source of the gas;Signal is delivered to controller by temperature sensor.
5. polyurethane foam according to claim 1 solidifies the cured apparatus control system of railway roadbed, it is characterised in that:
Casting trolley control system includes controller, limit switch, cylinder control valve block, servo-driver and servomotor, controller
It is connected with cylinder control valve block and servo-driver, signal is delivered to controller by limit switch;The cast of setting casting trolley
Point position, and signal is delivered to into controller, controller drives pouring head to move by servo driver drives servomotor.
6. polyurethane foam according to claim 1 solidifies the cured apparatus control system of railway roadbed, it is characterised in that:
Foaming work carriage control system includes controller, casting valve block, cold and hot unit and dosing pump, design temperature, material ratio, material
Flow and material pressure, and signal is delivered to into controller;Controller controls the temperature of the water circulation system in cold and hot unit;Control
Device processed passes through dosing pump control material ratio and flow;Controller is by controlling casting valve block control material pressure;Level Detection is passed
Signal is delivered to controller by sensor, and controller is connected with alarm device.
7. polyurethane foam according to claim 1 solidifies the cured apparatus control system of railway roadbed, it is characterised in that:
Polyurethane storage carriage control system includes controller, conveying motor, takes out material motor and pneumatic ball valve, controller respectively with take out material
Motor, conveying motor are connected with pneumatic ball valve, and controller control is taken out material motor and takes out material to storage batch can;Controller control conveying electricity
The polyurethane stored in batch can to the pans conveying in foaming work compartment, is stored the Level Detection sensing arranged in batch can by machine
Device is input a signal into controller, and automatic feeding is realized in the folding of controller control pneumatic ball valve.
8. polyurethane foam according to claim 2 solidifies the cured apparatus control system of railway roadbed, it is characterised in that:
The heating generator is Infrared Heating generator.
9. polyurethane foam according to claim 2 solidifies the cured apparatus control system of railway roadbed, it is characterised in that:
Heating installation manufacturing equipment control system also includes the temperature indicator being connected with controller.
10. polyurethane foam according to claim 9 solidifies the cured apparatus control system of railway roadbed, and its feature exists
In:Described heating and dehumidification trolley control system, cooling dedusting trolley control system, casting trolley control system, foaming work
Carriage control system and polyurethane storage carriage control system are respectively provided with the touch screen being connected with controller, will be set by touch screen
Fixed parameter signal is delivered to controller;The liquid level that batch can is stored in polyurethane storage carriage control system can be from touch screen display
Show.
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CN201410431885.0A CN104238504B (en) | 2014-08-28 | 2014-08-28 | Curing process device control system of polyurethane foam curing track bed |
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CN201410431885.0A CN104238504B (en) | 2014-08-28 | 2014-08-28 | Curing process device control system of polyurethane foam curing track bed |
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CN107142797A (en) * | 2017-06-20 | 2017-09-08 | 宝鸡中车时代工程机械有限公司 | Self-portable solid concrete roabed solidifies casting equipment |
CN109355981B (en) * | 2018-10-10 | 2020-07-17 | 北京铁科特种工程技术有限公司 | Drying equipment for polyurethane curing ballast bed operation in railway turnout area |
CN111451222A (en) * | 2020-03-18 | 2020-07-28 | 成都东日瑞姆机械有限公司 | Polyurethane foaming equipment capable of adding powder components and pouring in multiple flow passages |
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