EP1982812B2 - Steuerung für Fahrmischer - Google Patents

Steuerung für Fahrmischer Download PDF

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Publication number
EP1982812B2
EP1982812B2 EP08006847.1A EP08006847A EP1982812B2 EP 1982812 B2 EP1982812 B2 EP 1982812B2 EP 08006847 A EP08006847 A EP 08006847A EP 1982812 B2 EP1982812 B2 EP 1982812B2
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EP
European Patent Office
Prior art keywords
control
operating lever
accordance
mixer
drum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08006847.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1982812B1 (de
EP1982812A2 (de
EP1982812A3 (de
Inventor
Werner Frey
Berthold Ruf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liebherr Mischtecknik GmbH
Original Assignee
Liebherr Mischtecknik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Liebherr Mischtecknik GmbH filed Critical Liebherr Mischtecknik GmbH
Priority to PL08006847T priority Critical patent/PL1982812T5/pl
Publication of EP1982812A2 publication Critical patent/EP1982812A2/de
Publication of EP1982812A3 publication Critical patent/EP1982812A3/de
Publication of EP1982812B1 publication Critical patent/EP1982812B1/de
Application granted granted Critical
Publication of EP1982812B2 publication Critical patent/EP1982812B2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B28C5/4203—Details; Accessories
    • B28C5/4206—Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
    • B28C5/422—Controlling or measuring devices

Definitions

  • the invention relates to a control for truck mixer according to the preamble of claim 1.
  • Truck mixers each have a hydraulically driven mixer drum, wherein the hydraulic pump of the mixer drive is driven by the drive motor of the truck mixer.
  • the hydraulic pump of the mixer drive at the power take-off of the truck engine, usually an internal combustion engine, flanged. At very low engine speeds, the torque taken off the power take-off may not be so high as to avoid engine damage. Therefore, the engine speed is raised to a required minimum speed as soon as the drum is to be moved.
  • a control for a truck mixer with a hydraulically driven mixer drum is shown, wherein the hydraulic pump of the wiper drive is driven by the drive motor of the truck mixer.
  • the speed of the drive motor is adjustable in dependence on the requested drum speed.
  • Object of the present invention is to provide a controller for a mixer drive of truck mixers, which is designed to be user-friendly for the driver with engine-friendly operation and fuel consumption optimization of the drive motor of the truck mixer.
  • the object of the present invention is to provide a controller for a mixer drive of truck mixers, which on the one hand is user-friendly for the driver and, on the other hand, engine-friendly and consumption-optimized for the drive motor of the truck mixer.
  • the driver can control the rotational movement of the mixer drum of the truck mixer in accordance with the familiar feel for a mechanical lever operation, wherein the speed of the engine is automatically adjusted in response to the requested drum by means of the operating lever drum speed.
  • the internal combustion engine can be operated by this automatic setting in the optimum speed range, so that it minimizes engine noise and minimizes consumption.
  • the driver however, the decision is taken in this solution to have to adjust the correct speed of the engine. Thus, he can concentrate on the actual work.
  • the familiar to many drivers sense of mechanical lever operation is connected according to the present invention with the benefits of electrical control.
  • the signals from the operating lever can be transferred without contact to the controller.
  • a non-contact control of the operating lever can be implemented for example via Hall sensors. These Hall sensors pick up the position of the control lever and pass it on to the controller. Due to this non-contact signal transfer, a high level of functional reliability is ensured, since the operating lever is thereby protected against dirt and moisture.
  • the required speed of the drive motor is determined taking into account the engine map.
  • a key control element is additionally provided. If necessary, the same control functions can be implemented via this key control element as is the case with the operating lever.
  • Acceleration and deceleration ramps can be adjusted individually and load-dependent via the button control element.
  • the operating lever is pivoted from a central position by 45 ° to two sides, the drum speed is changed proportionally to the deflection.
  • the operating lever may additionally comprise a control knob, wherein a switching signal for quick stop of the mixer drum can be activated by the button operation.
  • FIG. 1 a conventional construction truck mixer 10 is shown, which has a hydraulically driven mixer drum 12 in addition to the internal combustion engine, not shown here as a drive motor.
  • the mixer drum is driven in a known manner via a hydraulic mixer drive.
  • the hydraulic pump of this hydraulic mixer drive is flanged to the power take-off of the driving mixer driving internal combustion engine.
  • the truck mixer 10 has a controller for the mixer drive.
  • the controller has two operating systems 14 and 17.
  • the operating system 14 is constructed in three parts and comprises an operating lever 16, a control unit 18 with a keypad 20 and a screen 22 and a console 24 with an emergency stop switch 26 (see. FIG. 3 ).
  • This operating part 14 is arranged laterally in the rear area of the truck mixer 10, as shown in FIG FIG. 1 is shown.
  • a further control unit 17 is provided in the driver's cab, which consists of a lower shell 28 and a control panel 30.
  • This keypad has a similar structure to the aforementioned keypad 18, since it also has a keypad 32 and a display 34.
  • All controls, namely the control panel 17 and the controls 16, 18 and 26 of the control panel 14 are via a bus, for example.
  • CAN-BUS with the hydraulic control, the traction motor control or a separate motor control (if a separate engine should still be available), possibly existing radio remote control and an optionally existing telematics system, such as, for example, a GPRS status detector connected.
  • the operating system As a whole, all intended functions of the truck mixer assembly are to be operated and visualized.
  • the operation can now take place at several points on the truck mixer, that is on the control element 14 outside the driver mixer (possibly wired) and additionally in the cab via the control element 17.
  • the BUS allows communication between the components of the control system and the hydraulic control.
  • the keypads 20 and 32 in the control units 18 and 30 have twelve keys in which all functions of the drum structure can be controlled. In the simple case only three buttons are used.
  • An respectively provided LED icon 23 on the screen 22 or 36 on the display 34 shows the drum speed.
  • Other LED bars visualize the rotational movement of the drum as running light.
  • the rotational speed of the drive motor of the truck mixer that is, in the present case, an internal combustion engine, is set in response to the requested drum speed due to an automatic control.
  • the drum speed of the mixer drum 12 is adjusted via the operating lever 16.
  • the operating lever from a central position by, for example, 45 ° to two sides pivoted, the drum speed is changed proportionally to the deflection.
  • the drum rotates in one or the opposite direction.
  • FIG. 4 Based on FIG. 4 can be read from the zero position of the force curve for the lever deflection of the operating lever 16 out. Depending on the angular position, the force required to deflect the lever increases. There are defined via spring balls or the like four tactile feedback points, which in the FIG. 4 are shown. At these points, the serving driver notices a small resistance, which gives him an indication of the reached position of the operating lever 16.
  • the operating lever 16 additionally has a control knob 38.
  • a non-contact switching pulse is switched, which leads to a quick stop or memory button of the mixer drum 12.
  • This switching signal of the control knob 38 or the respective degree of deflection of the operating lever 16 is transmitted in digitized form via the bus to the engine control.
  • the engine control now ensures that the internal combustion engine is operated at a speed which is necessary in order to be able to drive the mixer drum 12 at the preselected rotational speed via the hydraulic pump of the hydraulic drive.
  • This means that the drum speed adjustment is intuitive, which means that the driver as in the widespread manual control the drum speed "blind" control by the lever feel and can even control with this control.
  • the driver just does not have to worry about the speed of the engine.
  • the control of the mixer drive can be done not only by the operating lever 16 but also by the key 20 and 32.
  • the control units 14 and 17 are in the present embodiment jet-proof and detergent-resistant and insensitive to dirt. This is achieved in the operating lever 16 in that it passes its signals without contact to the controller. This is made possible by the operating lever 16 by Hall sensors, not shown here, which query the respective position of the operating lever and give as a signal via the bus to the controller.
  • the key elements 20 and 32 are fabricated together with the respective housing in a two-component plastic construction, wherein the keys and the body made of a hard plastic and the combination of keys and body made of a soft plastic. Because of this one-piece design, the entire device is dirt-insensitive. The locking of the control panels is possible to prevent unauthorized and accidental operation. In addition, a maintenance indicator can be displayed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Toys (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
EP08006847.1A 2007-04-19 2008-04-03 Steuerung für Fahrmischer Active EP1982812B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08006847T PL1982812T5 (pl) 2007-04-19 2008-04-03 Układ sterowania betoniarki samochodowej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202007005706U DE202007005706U1 (de) 2007-04-19 2007-04-19 Steuerung für Fahrmischer

Publications (4)

Publication Number Publication Date
EP1982812A2 EP1982812A2 (de) 2008-10-22
EP1982812A3 EP1982812A3 (de) 2012-02-22
EP1982812B1 EP1982812B1 (de) 2013-12-04
EP1982812B2 true EP1982812B2 (de) 2018-12-19

Family

ID=39645390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08006847.1A Active EP1982812B2 (de) 2007-04-19 2008-04-03 Steuerung für Fahrmischer

Country Status (10)

Country Link
US (1) US10369722B2 (ru)
EP (1) EP1982812B2 (ru)
CN (1) CN101288983B (ru)
AU (1) AU2008201716B2 (ru)
CA (1) CA2628511C (ru)
DE (2) DE202007005706U1 (ru)
DK (1) DK1982812T4 (ru)
HK (1) HK1117096A1 (ru)
PL (1) PL1982812T5 (ru)
RU (1) RU2467872C2 (ru)

Families Citing this family (18)

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Publication number Priority date Publication date Assignee Title
DE202009001416U1 (de) * 2009-02-05 2010-06-24 Liebherr-Mischtechnik Gmbh Trommelantrieb für einen Fahrmischer
CN101642939B (zh) * 2009-09-11 2011-09-14 三一重工股份有限公司 搅拌车恒速控制装置、搅拌车
CN101830192B (zh) * 2010-04-09 2012-08-22 中通汽车工业集团有限责任公司 一种多重防护搅拌车恒速控制装置
CN102314155B (zh) * 2010-07-02 2015-04-08 三一重工股份有限公司 搅拌车卸料监控系统及具有该系统的混凝土搅拌车
DE102010047314B4 (de) 2010-10-01 2014-10-30 Shanghai Electric Hydraulics & Pneumatics Co., Ltd. Hybridantrieb für Fahrmischertrommel
CN102476402B (zh) * 2010-11-26 2014-09-24 北车兰州机车有限公司 砂浆车搅拌控制系统及砂浆车
CN102601863B (zh) * 2012-04-11 2015-04-08 三一汽车制造有限公司 搅拌筒转速控制系统以及混凝土搅拌车、混凝土搅拌泵车
CN102848470A (zh) * 2012-08-24 2013-01-02 西安智源电气有限公司 混凝土搅拌运输车的辅助控制器
CN102794823B (zh) * 2012-08-24 2014-10-29 西安智源电气有限公司 混凝土搅拌运输车恒速控制系统
JP5923415B2 (ja) * 2012-09-11 2016-05-24 Ｋｙｂ株式会社 ミキサドラムの駆動装置
CN103056970B (zh) * 2012-12-27 2015-03-18 三一汽车制造有限公司 一种混凝土搅拌运输车远程控制系统及其控制方法
US20140269142A1 (en) * 2013-03-13 2014-09-18 Weiler, Inc. Concrete Mixing Device
CN104210030B (zh) * 2014-08-21 2016-08-31 三一汽车制造有限公司 一种搅拌车
MX2018015810A (es) 2016-06-17 2019-03-28 Oshkosh Corp Control de tambor para concreto, predicción de propiedades, y sistemas de monitoreo y métodos.
DE102017207839A1 (de) * 2017-05-10 2018-11-15 Zf Friedrichshafen Ag Vorrichtung zum Antrieb einer Mischtrommel eines Fahrmischers
US11042745B2 (en) 2018-04-23 2021-06-22 Oshkosh Corporation Refuse vehicle control system
CN109702894B (zh) * 2019-03-13 2021-04-23 三一专用汽车有限责任公司 搅拌车搅拌筒的状态检测装置及方法
US11992969B2 (en) 2021-06-04 2024-05-28 Oshkosh Corporation Mixer autonomy mode

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DE3317419A1 (de) † 1983-05-13 1984-11-15 Gesellschaft für Steuerungstechnik mbH & Co, 6332 Ehringshausen Steuergeraet fuer betonmischfahrzeuge und aehnlich angetriebene maschinen
DE3824414A1 (de) † 1988-07-19 1990-02-15 Stetter Gmbh Transportbetonmischer mit automatischer steuerung
DE4016977A1 (de) † 1990-05-25 1991-11-28 Meflex Telecontrol Gmbh & Co In einem gehaeuse angeordnetes gebergeraet zur bewegung von steuerzuegen, stangen und dgl.
US6149290A (en) † 1999-03-23 2000-11-21 Oshkosh Truck Corporation Front discharge concrete vehicle having two operator stations in a cab enclosure
US20050004733A1 (en) † 1999-07-30 2005-01-06 Oshkosh Truck Corporation Concrete placement vehicle control system and method
US20050131600A1 (en) † 2001-12-21 2005-06-16 Oshkosh Truck Corporation Control system and method for a concrete vehicle
DE102004006166A1 (de) † 2004-02-07 2005-08-25 Linde Ag Steuerorgan mit einem Bedienhebel und einem damit in Wirkverbindung stehenden berührungslosen Sensor
JP2006239943A (ja) † 2005-03-01 2006-09-14 Kayaba Ind Co Ltd ドラム操作装置
DE102006038087A1 (de) † 2005-08-17 2007-02-22 Sauer-Danfoss Inc. Magnetsteuereinrichtung
US7188991B1 (en) † 2004-04-05 2007-03-13 Five Star Industries, Inc. Auxiliary control station for a rear dispensing concrete mixing vehicle

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US7188991B1 (en) † 2004-04-05 2007-03-13 Five Star Industries, Inc. Auxiliary control station for a rear dispensing concrete mixing vehicle
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DE102006038087A1 (de) † 2005-08-17 2007-02-22 Sauer-Danfoss Inc. Magnetsteuereinrichtung

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Also Published As

Publication number Publication date
EP1982812B1 (de) 2013-12-04
CA2628511A1 (en) 2008-10-19
EP1982812A2 (de) 2008-10-22
DE102008017350A1 (de) 2008-11-06
CN101288983A (zh) 2008-10-22
DE102008017350B4 (de) 2010-04-29
US10369722B2 (en) 2019-08-06
DE202007005706U1 (de) 2008-08-28
PL1982812T3 (pl) 2014-05-30
DK1982812T4 (en) 2019-03-18
HK1117096A1 (en) 2009-01-09
AU2008201716A1 (en) 2008-11-06
EP1982812A3 (de) 2012-02-22
PL1982812T5 (pl) 2019-06-28
RU2008115409A (ru) 2009-10-27
US20080279036A1 (en) 2008-11-13
DK1982812T3 (da) 2014-01-27
RU2467872C2 (ru) 2012-11-27
AU2008201716B2 (en) 2012-11-08
CA2628511C (en) 2016-01-05
CN101288983B (zh) 2015-07-22

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