CN106476144B - A kind of feeding system and control method of mobile concrete mixer truck - Google Patents
A kind of feeding system and control method of mobile concrete mixer truck Download PDFInfo
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- CN106476144B CN106476144B CN201610950114.1A CN201610950114A CN106476144B CN 106476144 B CN106476144 B CN 106476144B CN 201610950114 A CN201610950114 A CN 201610950114A CN 106476144 B CN106476144 B CN 106476144B
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- hydraulic
- directional control
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- 239000004567 concrete Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005303 weighing Methods 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 96
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000003921 oil Substances 0.000 claims description 17
- 239000010720 hydraulic oil Substances 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 12
- 239000011343 solid material Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000006105 batch ingredient Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4206—Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
- B28C5/422—Controlling or measuring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4231—Proportioning or supplying water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4234—Charge or discharge systems therefor
- B28C5/4237—Charging, e.g. hoppers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0404—Proportioning
- B28C7/0418—Proportioning control systems therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
- B28C7/0445—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery using a weighing receptacle, the feeding thereof being automatically suspended after a predetermined weight has been obtained
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Automation & Control Theory (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The present invention discloses the feeding system and control method of a kind of mobile concrete mixer truck, and a controller is arranged, the composition proportion of the model for the various concrete applied now, the dry and wet angle value of various sands and various model concrete is stored in controller；The controller connects man-machine interface, weighing system, agitator tank weighing sensor, stripper position sensor；Controller connects two solenoid directional control valves, and two solenoid directional control valves are separately mounted to the hydraulic circuit for controlling stripper aperture, and are mounted on the hydraulic circuit for controlling pump capacity.The present invention realizes the controllable precise of feeding by the storage, calculating, control function of controller.
Description
Technical field
The present invention relates to a kind of mobile concrete mixer trucks, more particularly to the feeding system of the material of concrete mixer truck
System and control method.
Background technique
Currently, carrying out concrete in occasions such as the small-scale construction of remote districts, water conservancy construction, road surface hardening constructions
When stirring and transport, rotary mixer or forced stirrer ready-mixed concrete are mostly used, then with carrier vehicle or manually by coagulation
Soil is transported to designated position, expends a large amount of human resources, and occupied area is larger, and needs electrical source of power.Mobile concrete
Mixer truck has oneself feeding, stirring and transportation function, solves the deficiency in original construction, has broad application prospects.
However in concrete whipping process various materials proportion, be to be determined according to the different demands of construction, and the composition of this ratio
Conclusive effect is played to construction quality, so the quality of material control in mobile concrete mixer truck feeding process is to move
One of the key technology of dynamic formula concrete mixer truck.
Possess weighing system on mobile concrete mixer truck at present, driver can pass through the touch belonging to weighing system
The weight of concrete component needed for screen input.During driver is charged using scraper bowl (water pump), screen can be passed through
To see having shoveled and how many material filled, also remaining how many materials do not fill, but since driver can not see that there are also more in scraper bowl
Few material, and the material in scraper bowl (water pump) declines (water flow) excessive velocities, causes driver that can not accurately control loading stirring
Quality of material in tank influences the precision of each material proportion of concrete.
Summary of the invention
For above-mentioned current condition, the present invention provide a kind of mobile concrete mixer truck material automatical feeding system and
Control method.The present invention on original system by installing the controller that can carry out logic judgment additional, according to concrete-type
Number, the humidity of sand and need to concrete quantity, calculate the weight of each constituent of required concrete.When driver selects
It selects after certain material starts addition, controller can calculate the weight that such material is added in real time, when material is added close to required
Weight of material when, controller can by driving actuator adjust feed inlet aperture, achieve the purpose that adjust feed inlet speed,
To guarantee that concrete respectively forms the accurate of material ratio, the quality of concrete is improved.
It is as follows that the present invention solves technical solution used by the above technical problem:
A kind of feeding system of mobile concrete mixer truck, including a controller are provided first, deposited in the controller
The ingredient for containing the model for the various concrete applied now, the dry and wet angle value of various sands and various model concrete is matched
Than；The controller connects man-machine interface, connects weighing system, connects agitator tank weighing sensor, stripper position sensor；
Controller control two solenoid directional control valves of connection, two solenoid directional control valves are separately mounted to for controlling stripper aperture
Hydraulic circuit on, and be mounted on the hydraulic circuit for controlling pump capacity.
Further, described for control the hydraulic circuit of stripper aperture to include engine, hydraulic oil pump, electromagnetic switch
Valve, stripper oil cylinder, stripper, the engine driving connect hydraulic oil pump, the hydraulic oil pump by solenoid directional control valve to
Stripper oil cylinder fuel feeding, the stripper oil cylinder are drivingly connected stripper.
Further, described for control the hydraulic circuit of pump capacity to include engine, hydraulic oil pump, electromagnetic switch
Valve, hydraulic motor, water pump, the engine driving connect hydraulic oil pump, and the hydraulic oil pump is by solenoid directional control valve to hydraulic
Motor fuel feeding, the hydraulic motor are drivingly connected water pump.
Further, the weight of the model of the concrete of preformulation, the humidity of selected sand, preformulation, passes through
The man-machine interface input.
Further, the composition proportion of various model concrete, well in advance database purchase in the controller, or
Person is calculated by the controller according to concrete model automatically.
Secondly, the present invention provides a kind of control method of feeding, including upper solid material and upper water two parts:
1) first by the man-machine interface input the model of concrete of preformulation, the humidity of selected sand,
The weight of preformulation；
2) weight of required various ingredients is secondly calculated by controller；
3) artificial to select first reinforcing body material or first add water, " beginning " key is clicked by man-machine interface, selected object is added
Material；
When reinforcing body material, the controller is on the solenoid directional control valve on the hydraulic circuit of control stripper aperture
Electricity, during charging, material expense m that controller is shown according to the man-machine interfacereqAdditional amount a, control are unloaded
The aperture of flitch,
Work as mreq-a≥kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, it can be by artificial rough control charging, without starting controller
Control stripper aperture；kScraper bowl shapeIndicate that scraper bowl shape influences coefficient, kMaterial loosening degreeIndicate that material shatter value influences coefficient, kHydraulic cylinder response
Indicate hydraulic cylinder response speed influence coefficient, three above coefficient can according to its customized value of long-term working experience,
ρMaterialIndicate material density.
As 0 < mreq- a < kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, change and control stripper aperture is controlled by controller.
Further:
As 0 < mreq- a < kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, stripper is closed by controller control solenoid directional control valve
50%；
As 0 < mreq- a < 0.5kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, solenoid directional control valve can be controlled for discharging by controller
Plate closes 75%, and coefficient 0.5 herein is to improve the precision of charging further to control discharge rate to halve really by speed
It is fixed；
As (mreq- a=ρMaterialSDischarge portLDischarge port is to agitator tank) < 0.5kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, it can be controlled by controller
Solenoid directional control valve all closes stripper, SDischarge portIndicate the opening area of discharge port, LDischarge port is to agitator tankIndicate the discharge port of scraper bowl
To the distance of the receiving hopper of agitator tank.
Still further, when water is added, being powered on, being led to the solenoid directional control valve in the hydraulic circuit of control water pump by controller
Cross the flow of the feedback information control water pump of the weighing sensor.
Compared with the prior art, the present invention significantly has the beneficial effect that:
1) controllable precise of automatic charging is realized by the way that a controller is added, alleviates the operating burden of driver, drives
The person of sailing does not have to dig-in the weight on touch screen, is calculated automatically by controller and controls additional amount.
2) deviation of each batch ingredients of concrete caused by reducing because of the reflection speed of driving and maloperation.
3) the degree of automation of mobile concrete mixer truck is improved.
Other features and advantages of the present invention will illustrate in the following description, and partial become from specification
It is clear that understand through the implementation of the invention.
Detailed description of the invention
Fig. 1 is the interactive interface of concrete mixer truck feeding system and driver；
Fig. 2 is that concrete mixer truck feeding system controls schematic diagram；
Fig. 3 is mobile concrete mixer truck solid material feeding system control figure of the present invention；
Fig. 4 is mobile concrete mixer truck of the present invention material System Control Figure waterborne.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments, wherein and attached drawing constitutes the application a part,
And together with embodiments of the present invention for illustrating the present invention.But it will be appreciated by those skilled in the art that following embodiment is simultaneously
Be not to technical solution of the present invention make unique restriction, it is all done under technical solution of the present invention Spirit Essence it is any equivalent
Transformation or change, are regarded as belonging to the scope of protection of the present invention.
In order to solve control additional amount, the problem for keeping it not exceeded, the present invention can by installing one additional on original system
It is controlled with carrying out the controller of logic judgment.The human-computer interaction interface of concrete mixer truck weighing system such as Fig. 1 institute after installation
Show, the content for inputting or showing by the interface includes the model of precast concrete, the weight of precast concrete, preparation when institute
The humidity of the sand of selection, sand, water, cement, the expense of stone and additional amount.
As shown in Fig. 2, the humidity index of the concrete model and sand used now can be stored in controller
Current concrete-type number library and sand humidity database are contained in memory, in memory, can also be increased later certainly new
The data of increasing.So can artificially select the concrete model to be prepared by interface, the humidity of sand used, to be matched
The total weight of system.After being determined due to the model of concrete, concrete at being grouped as and the ratio of each component, under different humidity
The water content of sand will be determined, so after having selected the concrete of certain model, charge ratio it is natural it has been determined that so
Also the proportion database of respective model concrete batching is equipped in controllable, can also by algorithm according to concrete model from
It is dynamic to calculate, thus need to sand, water, cement, stone dosage be also shown on interface.After the completion of matching, pass through interface point
The START button under a certain material is hit, will start to add this kind of material, weighing system weighs tank weight, controller meeting automatically
Former agitator tank weight is recorded, and calculates the weight that such material is added in real time according to the weight gain of agitator tank, and at interface
Added amount in the upper current agitator tank of display.
Additional amount when is controlled, how to control additional amount, makes its neither quite a few amount of excess, is the pass of controller control
Key.When be added material reach (close) required weight of material when, controller should be able to by driving actuator closing (adjust into
The aperture of material mouth achievees the purpose that adjust feed inlet speed), to guarantee that concrete respectively forms the accurate of material ratio, improve mixed
Coagulate the quality of soil.Since solid type material is added by scraper bowl, water is added by water supply motor driving water pump, so respectively
It designs as shown in Figure 3,4 to the control of solid material and water.
As shown in figure 3, being equipped with stripper 5 in concrete mixer truck at the discharge port of scraper bowl, it is controlled by stripper oil cylinder 4
Aperture, after scraper bowl gives rise to above receiving hopper, stripper oil cylinder 4 opens stripper, and the material in scraper bowl is discharged into receiving hopper
In.A controller 9 is added in the present invention in feeding system, and for hydraulic drive vehicle, controller 9 directly controls an electromagnetic switch
Valve 3；Solenoid directional control valve 3 is placed on the oil feeding line of the hydraulic oil pump 2 of the driving of engine 1, and the hydraulic circuit is for driving discharging
Leaf fat cylinder 4,3 working end of solenoid directional control valve connect stripper oil cylinder 4, the piston rod connection of stripper oil cylinder 4 stripper
5.Engine 1 drives hydraulic oil pump 2 to work, and hydraulic oil pump 2 can be made by solenoid directional control valve 3 to 4 fuel feeding of stripper oil cylinder
The power source to stretch for cylinder piston rod；The piston rod of stripper oil cylinder 4 connects stripper 5, and stripper 5 is driven to open or close
Scraper bowl discharge port.Controller 9 is added in the present invention and controls powering on for solenoid directional control valve 3, the side of powering on of 3 electromagnet of solenoid directional control valve
Position is different, will cause fluid pressure difference, flow direction difference of the rod chamber with rodless cavity in stripper oil cylinder 4, so piston rod produces
The raw movement stretched or contracted.Weighing system 7 can claim the weight of material in agitator tank 6, and its result is passed to controller 9, and
It is shown in man-machine interface 10.In feeding process, the material that can show that needs are added by man-machine interface 10 is total
Amount, can also be inputted by driver 11, can also see that existing inventory in agitator tank on screen.Weighing system 7 weighs in real time
The weight of agitator tank 6, the demand inventory that controller 9 is inputted according to driver are carried out with the inventory being had been added in tank at present
Compare, when added inventory is less than demand, continuously adds material；When the material quantity having been added to is equal to demand
When, controller then issues instruction and changes out solenoid directional control valve 3, pushes unloading fuel tank 4, and stripper 5 is driven to close discharge port, stops
Material is added to agitator tank.
In order to accurately control the aperture of stripper 5, installation site sensor on stripper cylinder piston rod or on scraper bowl
8, controller 9 accurately controls the aperture of stripper by the feedback quantity of position sensor 8.Firstly, being somebody's turn to do according to this pre- addition
Material total amount mreqIf agitator tank original weight is m0, when system can reach demand using the weight calculating material of original agitator tank
Agitator tank total weight mstop, theoretically mstop=mreq+m0When material fill up.
Since driver is in charging process, the weight of agitator tank is gradually increased, if mi=m0+ a, a are that material has added
Enter amount, weighing system can weigh m in real timeiWeight.Work as mstop-miWhen > 0, illustrate mreq> a, material are not yet plus enough.Knot
Close prior art lower tank to scraper bowl usual distance, if verified mreq-a≥kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterial, illustrate object
Material there are also it is comparable it is a certain amount of could add reach (be equivalent to 0.3 meter3Material), kScraper bowl shapeIndicate that scraper bowl shape influences coefficient,
kMaterial loosening degreeIndicate that material shatter value influences coefficient, kHydraulic cylinder responseIndicate that hydraulic cylinder response speed influences coefficient, three above coefficient is all
It can be according to its customized value of long-term working experience, ρMaterialIndicate material density.And this tittle is fully controllable system, this
When can pass through artificial rough control charging.
And as 0 < mreq- a < kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, it is enough to illustrate that material will add, needs to start accurately to control
Input processed, system beep the sound weight of material that has loaded of prompt driver close to mreq, and by the control of discharging scraper bowl
Controller is given, solenoid directional control valve is controlled by controller, the manual operation stripper of driver is invalid at this time:
Further,
As 0 < mreq- a < kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, controller can control solenoid directional control valve for stripper at this time
Close 50%；
As 0 < mreq- a < 0.5kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, controller can control solenoid directional control valve and will unload at this time
Flitch closes 75%；
Work as mreq- a=ρMaterialSDischarge portLDischarge port is to agitator tankAnd < 0.5kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, illustrate outside discharge port
Material has reached scheduled weight, and controller can control solenoid directional control valve and completely close stripper at this time, SDischarge portIndicate discharging
The opening area of mouth, LDischarge port is to agitator tankIndicate scraper bowl discharge port to agitator tank receiving hopper distance.
Whole process only needs driver to select concrete model, weight, sand humidity in man-machine interface, clicks " beginning "
Button shovels dress material using scraper bowl into agitator tank, and when material reaches demand, stripper will be closed voluntarily, be not necessarily to
Driver controls and pays close attention to added inventory.After solid material fills up, water is added further according to setting ratio, reaches total weight
It is required that.
The method for adding water is identical as solid material, as shown in figure 4, and controlling the liquid for driving water pump by controller 9
Pressure oil road, controller 9 directly control a solenoid directional control valve 13；Solenoid directional control valve 13 is placed in the hydraulic oil pump 12 of the driving of engine 1
Oil feeding line on, the working end of solenoid directional control valve 13 connects hydraulic motor 14, and hydraulic motor 14 transfers torque to water pump 15.Gu
Body material and water distinguish each a set of hydraulic circuit, but controller can use one.9 real-time monitoring agitator tank 6 of controller
Whether total weight reaches requirement, continues to add water if be less than, until reaching the weight of requirement, due to only adding around here
Water, and total weight need to be only controlled, so not needing setting position sensor, weighing sensor 16 is only arranged in weighing system is
It can.
Preferably, above-mentioned solenoid directional control valve 3,13 selects three-position four-way valve, and O-shaped, X-type, H-type etc. are ok.
Claims (3)
1. a kind of mobile concrete mixer truck feeding control method, it is characterised in that: including upper solid material and two, upper water
Point, it is realized by following system:
One controller is set, the model for the various concrete applied now, the dry and wet of various sands are stored in the controller
The composition proportion of angle value and various model concrete；
The controller connects man-machine interface, connects weighing system, connects agitator tank weighing sensor, stripper position sensing
Device；
The controller is used to control the hydraulic circuit of solid material and the hydraulic circuit of upper water；
The hydraulic circuit of upper solid material includes engine, hydraulic oil pump, solenoid directional control valve, stripper oil cylinder, stripper, described
Engine driving connects hydraulic oil pump, and the hydraulic oil pump passes through solenoid directional control valve to stripper oil cylinder fuel feeding, the stripper
Oil cylinder is drivingly connected stripper, and the controller is controlled with solenoid directional control valve among these and connected；
The hydraulic circuit of upper water includes engine, hydraulic oil pump, solenoid directional control valve, hydraulic motor, water pump, the engine driving
Hydraulic oil pump is connected, for the hydraulic oil pump by solenoid directional control valve to hydraulic motor fuel feeding, the hydraulic motor is drivingly connected water
Pump, the controller are also controlled with solenoid directional control valve among these and are connected；
Control process is as follows:
1) model of concrete of the preformulation, humidity of selected sand, prewired is inputted by the man-machine interface first
The weight of system；
2) weight of required various ingredients is secondly calculated by controller；
3) artificial to select first reinforcing body material or first add water, selected material is initially added by man-machine interface click；
When reinforcing body material, the controller is powered on to the solenoid directional control valve on the hydraulic circuit of control stripper aperture,
During charging, material expense m that controller is shown according to the man-machine interfacereqAdditional amount a controls stripper
Aperture,
Work as mreq-a≥kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, it can be fed by manual control, without starting controller control discharging
Plate aperture；kScraper bowl shapeIndicate that scraper bowl shape influences coefficient, kMaterial loosening degreeIndicate that material shatter value influences coefficient, kHydraulic cylinder responseIndicate hydraulic
Cylinder response speed influences coefficient, and three above coefficient is all customized according to working experience, ρMaterialIndicate material density；
As 0 < mreq-a<kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, change and control stripper aperture is controlled by controller.
2. control method according to claim 1, it is characterised in that:
As 0 < mreq-a<kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, stripper is closed 50% by controller control solenoid directional control valve；
As 0 < mreq-a<0.5kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, stripper is closed by controller control solenoid directional control valve
75%；
As (mreq- a=ρMaterialSDischarge portLDischarge port is to agitator tank)<0.5kScraper bowl shapekMaterial loosening degreekHydraulic cylinder responseρMaterialWhen, electromagnetic switch is controlled by controller
Valve all closes stripper, SDischarge portIndicate the opening area of discharge port, LDischarge port is to agitator tankIndicate the discharge port of scraper bowl to agitator tank
Receiving hopper distance.
3. control method according to claim 1, it is characterised in that: when water is added, by controller to the liquid of control water pump
Solenoid directional control valve in pressure oil road powers on, and the flow of water pump is controlled by the feedback information of the weighing sensor.
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| CN201610950114.1A CN106476144B (en) | 2016-11-02 | 2016-11-02 | A kind of feeding system and control method of mobile concrete mixer truck |
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| CN201610950114.1A CN106476144B (en) | 2016-11-02 | 2016-11-02 | A kind of feeding system and control method of mobile concrete mixer truck |
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| CN107379271A (en) * | 2017-08-30 | 2017-11-24 | 重庆市潼南区茂林沙石加工厂 | Concrete batching monitoring system |
| CN113894935A (en) * | 2021-10-28 | 2022-01-07 | 中国重汽集团青岛重工有限公司 | Electric control hydraulic intelligent pump mixer truck and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03166500A (en) * | 1989-11-24 | 1991-07-18 | Toa Harbor Works Co Ltd | Water feeding device for mortar kneading |
| CN201633130U (en) * | 2010-01-13 | 2010-11-17 | 梁涛 | Concrete batching control system |
| CN104120886A (en) * | 2014-08-04 | 2014-10-29 | 山东鸿达建工集团有限公司 | Mobile stirring, pumping and distributing integrated machine |
| CN104552608A (en) * | 2013-10-28 | 2015-04-29 | 西安众智惠泽光电科技有限公司 | Concrete batching stirring control system |
| CN204819939U (en) * | 2015-08-11 | 2015-12-02 | 长沙矿山研究院有限责任公司 | Mixer of ground paste is filled in preparation of intermittent type formula |
-
2016
- 2016-11-02 CN CN201610950114.1A patent/CN106476144B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03166500A (en) * | 1989-11-24 | 1991-07-18 | Toa Harbor Works Co Ltd | Water feeding device for mortar kneading |
| CN201633130U (en) * | 2010-01-13 | 2010-11-17 | 梁涛 | Concrete batching control system |
| CN104552608A (en) * | 2013-10-28 | 2015-04-29 | 西安众智惠泽光电科技有限公司 | Concrete batching stirring control system |
| CN104120886A (en) * | 2014-08-04 | 2014-10-29 | 山东鸿达建工集团有限公司 | Mobile stirring, pumping and distributing integrated machine |
| CN204819939U (en) * | 2015-08-11 | 2015-12-02 | 长沙矿山研究院有限责任公司 | Mixer of ground paste is filled in preparation of intermittent type formula |
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| CN106476144A (en) | 2017-03-08 |
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