CN106994745A - It is a kind of portable from feeding mixing tank of concrete mixing truck method for controlling number of revolution - Google Patents
It is a kind of portable from feeding mixing tank of concrete mixing truck method for controlling number of revolution Download PDFInfo
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- CN106994745A CN106994745A CN201710239763.5A CN201710239763A CN106994745A CN 106994745 A CN106994745 A CN 106994745A CN 201710239763 A CN201710239763 A CN 201710239763A CN 106994745 A CN106994745 A CN 106994745A
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- 238000002156 mixing Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004886 process control Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 26
- 239000012530 fluid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 206010001497 Agitation Diseases 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 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
- 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
- B28C7/02—Controlling the operation of the mixing
- B28C7/022—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component
- B28C7/026—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component by measuring data of the driving system, e.g. rotational speed, torque, consumed power
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
It is of the invention to disclose a kind of movable type from feeding mixing tank of concrete mixing truck method for controlling number of revolution, it is to be performed based on a kind of control system, the agitator tank rotating speed after the control of agitator tank rotating speed and feeding of the agitator tank speed control including feeding process controls two aspects：Control after feeding process and feeding.The fully automated control of the achievable agitator tank rotating speed of the present invention, reduces the manipulation strength of driver, improves the mixing quality of concrete.In addition, having saved energy consumption, the economy of vehicle is improved.
Description
Technical field
The present invention relates to the autocontrol method of concrete mixer truck, especially with regard to a kind of from mobile from loading type coagulation
The automatic control system and control method of native trucd mixer agitator tank rotating speed.
Background technology
At present, concrete is carried out in occasions such as the small-scale construction of remote districts, water conservancy construction, road surface hardening constructions
Use rotary mixer or forced stirrer ready-mixed concrete when stirring and transport, large-scale mixer is immovable, can only more
By transport vehicle or the artificial concrete that it is stirred to scene shipment, this will expend substantial amounts of human and material resources, floor space
It is larger, and need electrical source of power；Small-sized mixer is thought mobile also with the traction of other vehicles, it is not possible to flexibly mobile.And mesh
Preceding concrete mixer is all outer boundary's other machinery feeding, it is impossible to autonomous feeding, and discharging is also original place, it is all these will
It is other to aid in vehicle mechanicals to do.
Mobile concrete trucd mixer, with oneself feeding, stirring and transportation function, is solved in original construction not
Foot, has broad application prospects.Decide the stirring of concrete first from the speed of the agitator tank of transportable concrete trucd mixer
Quality, secondly can influence whether concrete segregation phenomenon occurs, on the premise of concrete quality is ensured, the rotating speed pair of agitator tank
The oil consumption influence of vehicle is also very big, is one of key technology of mobile concrete trucd mixer.
In existing research to the agitator tank rotating speed of conventional concrete mixer and concrete delivery truck control research compared with
For maturation, 1) existing concrete mixer, mixing plant be, according to different stirring species timing agitations, to there is personal management, its
The research of mixing time and mixing speed has tended to be ripe；2) existing concrete transport vehicle, is only for the coagulation being stirred
Soil transport, as long as the rotating speed control of its agitator tank, which is met, occurs without isolation.Concrete mixer and concrete mixing plant
Motor being used power source, its rotating speed is easily achieved constant speed stability contorting more, and by special messenger's control, it is ensured that the matter of concrete
The utilization rate of amount and the energy.
But controlled then without reference to turn of concrete delivery truck for the rotating speed of self-mobile mixing tank of concrete mixing truck
Speed control, has reference only for the transportation of self-mobile hybrid electric vehicle.And existing self-mobile concrete is stirred
The stability contorting that vehicle speed control is not only not carried out speed is mixed, and because driver can not be realized to stirring in operating process
The real-time adjustment of tank rotating speed, not only have impact on the quality of concrete, (rotating speed is too low and too fast can cause after concrete setting hard
The decline of degree), the deficiency (when agitator tank runs at high speed, its power consumption accounts for more than the 50% of engine general power) of power, also
Cause the huge waste of fuel oil (after stirring, the consumed fuel oil that runs at high speed of agitator tank).Proposed for this portable
The method for controlling number of revolution of mixing tank of concrete mixing truck is for improving the fuel economy of trucd mixer and the matter of institute's ready-mixed concrete
Measurer is significant.
The content of the invention
For above-mentioned current condition, the present invention provides a kind of portable from the control of feeding mixing tank of concrete mixing truck rotating speed
Method.The present invention controls the rotating speed of agitator tank by brand-new control strategy on the basis of existing car, is ensureing the same of concrete quality
When, it can realize that energy-conservation is maximized, can also give full play to the dynamic property of trucd mixer, fill up self-mobile trucd mixer agitator tank and turned
The blank of fast control field.
The technical scheme that the present invention takes is as follows：It is a kind of portable from feeding mixing tank of concrete mixing truck rotating speed controlling party
Method, it is characterised in that：Including the agitator tank rotating speed control in feeding process and the aspect of agitator tank rotating speed control two after feeding：
In feeding process：
1) when charging, mi＜ 20%mAlwaysAnd dipper door is when being shut off, now agitator tank does not turn (0r/min), saves energy
Amount；
2) when charging, m is reachedi>=20%mAlwaysAnd mAlways-mi＞ 2V ρWater, and when now dipper door is closed, now agitator tank turns
Speed control is in (3-5) r/min；
3) when charging, dipper door is opened, or priming valve is opened, or mAlways-mi≤2VρWater, or mi＞ 95%mAlwaysWhen, now stir
The control of tank rotating speed is mixed to exist
After feeding：
If one) agitator tank is rotated forward,
If 1) power P needed for stirring motor vehicle drive systemDrivingWith power P needed for stirring systemStirringSum is less than or equal to start
Machine rated power PEngineA%, and speed vi is not higher than vstableWhen：
A) m is worked asAlways-mi≤2VρWaterOr mi＞ 95%mAlways, and agitator tank is from remaining on board punishment in advance, if agitator tank existsOperated under rotating speed less than 3 minutes, then continue to this speed；
B) m is worked asAlways-mi≤2VρWaterOr mi＞ 95%mAlways, and agitator tank is from remaining on board punishment in advance, and agitator tank existsBeing operated under rotating speed reaches 3 minutes, then mixes tank rotating speed and be changed into (3-5) r/min；
C) m is worked asi>=5%mAlways, and agitator tank once unloads punishment in advance, then mixes the control of tank rotating speed in (3-5) r/min；
D) m is worked asi＜ 5%mAlways, and agitator tank once unloads punishment in advance, then mixes the control of tank rotating speed in 0r/min；
If 2) power P needed for stirring motor vehicle drive systemDrivingWith power P needed for stirring systemStirringSum is more than engine volume
Determine power PEngineA%, or speed viHigher than when, then mix tank rotating speed and be changed into (3-5) r/min；
If two) agitator tank is inverted,
No matter when, agitator tank reverse is all controlled
More than,RepresentThis value is rounded downwards, and g is acceleration of gravity, R
It is the radius of the cylindrical drum part of agitator tank；
Load represents the start key that feeds, and " 1 " represents to start charging, and " 0 " represents to start discharging；
miRepresent the gross weight of material in current agitator tank；
mAlwaysRepresent material gross weight in agitator tank set in advance；
Bucket represents the state of scraper bowl discharge door, opens the door as " 1 ", closes the door as " 0 "；
Reverse represents the positive-negative rotation state of agitator tank, just switchs to " 0 ", is reversed to " 1 ", rotates forward stirring, inverts discharging；
V represents the volume of scraper bowl；
ρWaterRepresent the density of water；
Stop is to work as mi>=95%mAlwaysShi Qidong timer, works as mi=95%mAlwaysWhen start timing, stop is during startup
" 0 ", stop is changed to " 1 " when agitator tank is rotated up to the scheduled time (such as 2 or 3 minutes) under the speed of setting；
viRepresent current vehicle speed；
vstableRepresent that agitator tank itself inertia can not cause the speed tumbled；
PDrivingRepresent power needed for drive system；
PStirringRepresent power needed for stirring system；
PEngineRepresent engine power rating；
A represents coefficient, is determined by engine Map.
Preferably, when agitator tank is rotated forward and Current vehicle hangs advance or reverse drive gear, vehicle control device preferentially starts by distribution
Acc power is to driver for vehicle, and the rotating speed that remaining power is used for agitator tank is controlled.
The agitator tank rotating speed also includes control manually：One is set to control shelves manually, driver can close and automatically control,
And then by controlling shelves to adjust direction and the rotating speed of agitator tank manually.
Compared with prior art, the significant beneficial effect of the present invention is mainly reflected in following several respects：
1st, the fully automated manipulation strength for controlling to reduce driver of agitator tank rotating speed, improves the stirring matter of concrete
Amount.
2nd, the energy consumption of agitator tank is preferably minimized, improves the economy of vehicle, simultaneously because agitator tank no longer it is more with
Drive system distributes the energy of engine, also improves the dynamic property of vehicle.
3rd, optionally used with manual system, improve the applicability of rotating speed control.
Additional advantages and features can embody in specification other parts or in accompanying drawing, claims.
Brief description of the drawings
Accompanying drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in whole accompanying drawing
In, identical reference symbol represents identical part.
Fig. 1 is agitator tank System Control Figure.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples, but accompanying drawing is only used for explaination originally with embodiment
Invention, it will be appreciated by those skilled in the art that, this is not unique restriction to technical solution of the present invention, every in the present invention
Any equivalents done under technical scheme Spirit Essence or change, are regarded as belonging to protection scope of the present invention.
As shown in figure 1, the inventive method is under a kind of revolution speed control system of self-mobile mixing tank of concrete mixing truck
Perform, the part that the system includes has engine 1, quantitative oil pump 2, variable capacity oil pump 14, controller 17, human-computer interaction interface 18
Deng.
Engine 1 connects quantitative oil pump 2 and variable capacity oil pump 14 simultaneously, and moment of torsion is transmitted to it；Outwards connected by quantitative oil pump 2
Go out two hydraulic control oil circuits, be solid material feeding control hydraulic circuit all the way, another road is upper water management hydraulic circuit,
Solid material feeding control hydraulic circuit in include quantitative oil pump 2, solenoid directional control valve 1, check valve 1, check valve 26,
Pressure sensor 7, stripper oil cylinder 8, stripper 9, the hydraulic fluid port connection solenoid directional control valve 1 of quantitative oil pump 2, electromagnetic switch
Two actuator ports of valve 1 are connected to the oil inlet and oil return opening of stripper oil cylinder 8, drive cylinder efficient, and hydraulic oil cylinder driving is unloaded
Flitch；Include quantitative oil pump 2, solenoid directional control valve 24, pump motor 11, water pump 12 in upper water management hydraulic circuit, it is quantitative
Another hydraulic fluid port connection solenoid directional control valve 24 of oil pump 2, two actuator ports of solenoid directional control valve 24 are connected to pump motor
11 oil inlet and oil return opening, drive motor work, motor driving water pump；Further, changed in solenoid directional control valve 1 and electromagnetism
Pressure sensor 7 can be set on valve 24, between two actuator ports of each valve to be used to measure the high pressure in two hydraulic fluid ports
Power, and the mutual cut-off that oppositely arranged check valve 1 and check valve 26 are used between hydraulic fluid port between two hydraulic fluid ports.Start
When machine 1 is to 2 output torque of quantitative oil pump, quantitative oil pump 2 is worked mechanical kinetic energy being converted into hydraulic energy, and electricity is controlled by controller 17
Water or feeding in the working condition of magnet valve, realization.Stripper 9 and water pump 12 convey material into agitator tank 13.
The link variable oil pump 14 of engine 1, by variable capacity oil pump 14, outwards connection agitator tank drives hydraulic circuit, the stirring
Tank driving hydraulic circuit includes variable capacity oil pump 14, agitator tank drive motor 15, agitator tank 13, and engine 1 is that variable capacity oil pump 14 is carried
For power, variable capacity oil pump 14 is that agitator tank drive motor 15 provides power, drives agitator tank 13 to rotate.Controller 17 controls variable
Oil pump 14.All of above hydraulic circuit is by the fuel feeding of fuel tank 10, oil return.
A weighing system 16 is also set up in system, the weight for weighing agitator tank is controlled from controller 17 and to control
Device 17 feeds back weighing information.
Controller 17 is electricly connected with all electrical parts in system, is linked up by human-computer interaction interface 18 with driver 19.
The control logic of vehicle is provided with controller 17, operation information, the status information of vehicle, the agitator tank weight of driver is received
Information, pressure sensor information, the work of control solenoid directional control valve and variable pump.Human-computer interaction interface 18 is used for driver to car
Send instruction, and display car status information.
It is certainly mobile from loading type concrete drums method for control speed that the present invention is provided, and core includes feeding process
Agitator tank rotating speed control and feeding after agitator tank rotating speed control two aspects, each process can perform and automatically control and manually
Control, below retell Automatic Control Strategy.
In agitator tank control aspect, whether the agitator tank after the agitator tank rotating speed control of feeding process or feeding turns
Speed control, will preferentially carry out the judgement of vehicle running state, if controller has been connected to advance or reverse drive gear before this
Signal, and agitator tank is in rotating forward state, illustrates the traveling that is intended to of driver, rather than discharging or stirring, this time control
Device processed should preferentially distribute the power of engine to driver for vehicle, then could perform following control strategy to agitator tank：
Agitator tank rotating speed automatically controls logic and can expressed by following formula, no matter in feeding process or after feeding, all
Follow the control logic：
N represents the rotating speed of agitator tank, unit：R/min (rev/min)；
RepresentThis value is rounded downwards, and g is acceleration of gravity, and R is to stir
Mix the radius of the cylindrical drum part of tank；
Load represents the start key that feeds, and " 1 " represents to start charging, and " 0 " represents to start discharging；
miRepresent the gross weight of material in current agitator tank；
mAlwaysRepresent material gross weight in agitator tank set in advance；
Bucket represents the state of scraper bowl discharge door, opens the door as " 1 ", closes the door as " 0 "；
Reverse represents the positive-negative rotation state of agitator tank, just switchs to " 0 ", is reversed to " 1 ", rotates forward stirring, inverts discharging；
V represents the volume of scraper bowl；
ρWaterRepresent the density of water；
Stop is mi>=95%mAlwaysWhen timer, work as mi=95%mAlwaysWhen start timing, during startup stop be " 0 ", at certain
Stop is changed to " 1 " when agitator tank is rotated up to preset time under speed；
viRepresent current vehicle speed；
vstableRepresent that agitator tank itself inertia can not cause the speed tumbled；
PDrivingRepresent power needed for drive system；
PStirringRepresent power needed for stirring system；
PEngineRepresent engine power rating；
A represents coefficient, is determined by engine Map.
First, feeding process agitator tank rotating speed control be：
1) when charging, mi＜ 20%mAlwaysAnd dipper door is when being shut off, now agitator tank does not turn (0r/min), saves energy
Amount；
2) when charging, m is reachedi>=20%mAlwaysAnd mAlways-mi＞ 2V ρWater, and when now dipper door is closed, now agitator tank turns
Speed control is in (3-5) r/min；
3) when charging, dipper door is opened, or priming valve is opened, or mAlways-mi≤2VρWater, or mi＞ 95%mAlwaysWhen, now stir
The control of tank rotating speed is mixed to exist
2nd, after feeding agitator tank rotating speed control be：
If one) agitator tank is rotated forward,
If 1) power P needed for stirring motor vehicle drive systemDrivingWith power P needed for stirring systemStirringSum is less than or equal to start
Machine rated power PEngineA% while working (Engine full load, efficiency is too low), and speed vi (speeds when being not higher than vstable
Height, agitator tank is rotated at a high speed turning and easily tumbled when jolting),
A) m is worked asAlways-mi≤2VρWaterOr mi＞ 95%mAlways, and agitator tank is from remaining on board punishment in advance, if agitator tank existsOperated under rotating speed less than 3 minutes, then continue to this speed；
B) m is worked asAlways-mi≤2VρWaterOr mi＞ 95%mAlways, and agitator tank is from remaining on board punishment in advance, and agitator tank existsBeing operated under rotating speed expires preset time (such as 2-3 minutes), then mixes tank rotating speed and be changed into (3-5) r/
min；
C) m is worked asi>=5%mAlways, and agitator tank once unloads punishment in advance, then mixes the control of tank rotating speed in (3-5) r/min；
D) m is worked asi＜ 5%mAlways, and agitator tank once unloads punishment in advance, then mixes the control of tank rotating speed in 0r/min；
If 2) power P needed for stirring motor vehicle drive systemDrivingWith power P needed for stirring systemStirringSum is more than engine volume
Determine power PEngineA% while working (Engine full load, efficiency is too low), or (speed is high, stirring higher than vstable by speed vi
Tank is rotated at a high speed turning and easily tumbled when jolting) when, then mix tank rotating speed and be changed into (3-5) r/min.
If two) agitator tank is inverted,
No matter when, agitator tank reverse is all controlled
In above-described embodiment, (3-5) r/min rotating speed, 95%mAlways, 20%mAlways, 5%mAlways、2VρWater, 2-3 minutes etc. these
Boundary value, is obtained according to different vehicle train experiment, also relevant with the difference of stirring material, therefore does not make unique limit
Fixed, such as speed can be (2-4) r/min, 95%mAlwaysBoundary value can be defined as 90%mAlways, 20%mAlwaysBoundary value can be with
It is defined as (15%-20%) mAlways, 5%mAlwaysBoundary value can be defined as (5%-10%) mAlways, its core meaning is exactly by agitator tank
Weight be divided into high, medium and low third gear；2-3 minutes high-speed stirred time is also and on-fixed is limited, in general within 5 minutes
Can.So, above-described embodiment is merely to illustrate which type of control what vehicle should give in the state of, and empirical value is simultaneously
Unique restriction is not done.
The manual control of agitator tank rotating speed：
Agitator tank sets driver under control shelves manually, manual mode can be by controlling shelves to adjust the side of agitator tank manually
To and speed, cleaning and other purposes for agitator tank.
Claims (3)
1. it is a kind of portable from feeding mixing tank of concrete mixing truck method for controlling number of revolution, it is characterised in that：Including feeding process
In agitator tank rotating speed control and feeding after agitator tank rotating speed control two aspect：
In feeding process：
1) when charging, mi＜ 20%mAlwaysAnd dipper door is when being shut off, now agitator tank does not turn (0r/min), saves energy；
2) when charging, m is reachedi>=20%mAlwaysAnd mAlways-mi＞ 2V ρWater, and when now dipper door is closed, now agitator tank rotating speed control
System is in (3-5) r/min；
3) when charging, dipper door is opened, or priming valve is opened, or mAlways-mi≤2VρWater, or mi＞ 95%mAlwaysWhen, now agitator tank
Rotating speed control exists
After feeding：
If one) agitator tank is rotated forward,
If 1) power P needed for stirring motor vehicle drive systemDrivingWith power P needed for stirring systemStirringSum is less than or equal to engine volume
Determine power PEngineA%, and speed vi is when being not higher than vstable：
A) m is worked asAlways-mi≤2VρWaterOr mi＞ 95%mAlways, and agitator tank is from remaining on board punishment in advance, if agitator tank existsOperated under rotating speed less than 3 minutes, then continue to this speed；
B) m is worked asAlways-mi≤2VρWaterOr mi＞ 95%mAlways, and agitator tank is from remaining on board punishment in advance, and agitator tank exists
Being operated under rotating speed reaches 3 minutes, then mixes tank rotating speed and be changed into (3-5) r/min；
C) m is worked asi>=5%mAlways, and agitator tank once unloads punishment in advance, then mixes the control of tank rotating speed in (3-5) r/min；
D) m is worked asi＜ 5%mAlways, and agitator tank once unloads punishment in advance, then mixes the control of tank rotating speed in 0r/min；
If 2) power P needed for stirring motor vehicle drive systemDrivingWith power P needed for stirring systemStirringSum is more than constant engine work(
Rate PEngineA%, or speed viHigher than when, then mix tank rotating speed and be changed into (3-5) r/min；
If two) agitator tank is inverted,
No matter when, agitator tank reverse is all controlled
More than,RepresentThis value is rounded downwards, and g is acceleration of gravity, and R is to stir
Mix the radius of the cylindrical drum part of tank；
Load represents the start key that feeds, and " 1 " represents to start charging, and " 0 " represents to start discharging；
miRepresent the gross weight of material in current agitator tank；
mAlwaysRepresent material gross weight in agitator tank set in advance；
Bucket represents the state of scraper bowl discharge door, opens the door as " 1 ", closes the door as " 0 "；
Reverse represents the positive-negative rotation state of agitator tank, just switchs to " 0 ", is reversed to " 1 ", rotates forward stirring, inverts discharging；
V represents the volume of scraper bowl；
ρWaterRepresent the density of water；
Stop is to work as mi>=95%mAlwaysShi Qidong timer, works as mi=95%mAlwaysWhen start timing, during startup stop be " 0 ",
Stop is changed to " 1 " when agitator tank is rotated up to 2-3 minutes under the speed of setting；
viRepresent current vehicle speed；
vstableRepresent that agitator tank itself inertia can not cause the speed tumbled；
PDrivingRepresent power needed for drive system；
PStirringRepresent power needed for stirring system；
PEngineRepresent engine power rating；
A represents coefficient, is determined by engine Map.
2. movable type according to claim 1 is from feeding mixing tank of concrete mixing truck method for controlling number of revolution, its feature exists
In：When agitator tank is rotated forward and Current vehicle hangs advance or reverse drive gear, vehicle control device preferentially distributes engine power to vehicle
Drive system, the rotating speed that remaining power is used for agitator tank is controlled.
3. it is according to claim 1 or 2 portable from feeding mixing tank of concrete mixing truck method for controlling number of revolution, its feature
It is：The agitator tank rotating speed also includes control manually：One is set to control shelves manually, closing is automatically controlled, and driver passes through hand
The direction of dynamic control shelves regulation agitator tank and rotating speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710239763.5A CN106994745B (en) | 2017-04-13 | 2017-04-13 | It is a kind of mobile from feeding mixing tank of concrete mixing truck method for controlling number of revolution |
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|---|---|---|---|
| CN201710239763.5A CN106994745B (en) | 2017-04-13 | 2017-04-13 | It is a kind of mobile from feeding mixing tank of concrete mixing truck method for controlling number of revolution |
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| CN106994745B CN106994745B (en) | 2019-02-15 |
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| CN103786259A (en) * | 2014-02-14 | 2014-05-14 | 上海三一重机有限公司 | Rotating speed adaptive frequency conversion control system and method for concrete mixer |
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| CN105643802A (en) * | 2014-11-14 | 2016-06-08 | 中联重科股份有限公司 | Mixing drum speed monitoring method and equipment and mixing truck |
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2017
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|---|---|---|---|---|
| JPS57155124A (en) * | 1981-03-17 | 1982-09-25 | Shin Meiwa Ind Co Ltd | Drive controller for driven member on board vehicle |
| CN103481373A (en) * | 2012-06-14 | 2014-01-01 | 中集车辆（集团）有限公司 | Concrete mixing truck, and control apparatus and control method thereof |
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Denomination of invention: A method of rotating speed control for mixing tank of mobile self loading concrete mixer Effective date of registration: 20210326 Granted publication date: 20190215 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. science and technology sub branch Pledgor: WEIHAI CITY TOWER BUILDING MACHINERY Co.,Ltd. Registration number: Y2021980002145 |
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Denomination of invention: A speed control method of mixing tank of mobile self feeding concrete mixer Effective date of registration: 20220322 Granted publication date: 20190215 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. science and technology sub branch Pledgor: WEIHAI CITY TOWER BUILDING MACHINERY CO.,LTD. Registration number: Y2022980002955 |
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Denomination of invention: A Method of Rotating Speed Control for Mobile Self loading Concrete Mixing Tank Effective date of registration: 20230309 Granted publication date: 20190215 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. science and technology sub branch Pledgor: WEIHAI CITY TOWER BUILDING MACHINERY CO.,LTD. Registration number: Y2023370000051 |
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Denomination of invention: A method for controlling the speed of the mixing tank of a mobile self feeding concrete mixer truck Granted publication date: 20190215 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. science and technology sub branch Pledgor: WEIHAI CITY TOWER BUILDING MACHINERY CO.,LTD. Registration number: Y2024980007171 |