WO2014173609A1 - Surveillance au moyen de capteurs de la direction du vent et du rayonnement thermique incident pour un engin de travail mobile - Google Patents

Surveillance au moyen de capteurs de la direction du vent et du rayonnement thermique incident pour un engin de travail mobile Download PDF

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Publication number
WO2014173609A1
WO2014173609A1 PCT/EP2014/056112 EP2014056112W WO2014173609A1 WO 2014173609 A1 WO2014173609 A1 WO 2014173609A1 EP 2014056112 W EP2014056112 W EP 2014056112W WO 2014173609 A1 WO2014173609 A1 WO 2014173609A1
Authority
WO
WIPO (PCT)
Prior art keywords
mobile
sensor
wind
mobile implement
heat radiation
Prior art date
Application number
PCT/EP2014/056112
Other languages
German (de)
English (en)
Inventor
Christoph EDELER
Original Assignee
Manitowoc Crane Group Frances Sas
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
Application filed by Manitowoc Crane Group Frances Sas filed Critical Manitowoc Crane Group Frances Sas
Priority to DE112014002081.8T priority Critical patent/DE112014002081B4/de
Publication of WO2014173609A1 publication Critical patent/WO2014173609A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms

Definitions

  • the invention relates to a mobile implement with a mobile undercarriage, a superstructure with a boom, at least one sensor which is connected to the boom and which detects a wind strength and / or a wind direction and / or a heat radiation intensity and / or a heat radiation direction, and a A computer connected to the at least one sensor and receiving and processing data measured by the sensor.
  • Jib-mounted implements may be sensitive to wind and / or heat radiation, especially when the boom is extended, as additional forces occur due to the wind which, for example, can cause high loads on connecting parts at the base of the boom due to the leverage effect, or one on the boom Boom can swing hanging force, which can also lead to a high load, which causes damage to the implement.
  • intense sunlight can result in localized material expansion that results in increased stress on the affected parts, which in turn can lead to faster wear or jamming of parts.
  • the material expansion can lead to deformation of the boom and thus to dangerous "inclinations" of the boom with unstable behavior.
  • One aspect of the invention relates to a mobile implement with a mobile undercarriage and a superstructure with a boom.
  • the mobile implement further comprises at least one sensor which is connected to the boom or a part of the boom.
  • the sensor measures a wind strength and / or a wind direction and / or a heat radiation intensity and / or a heat radiation direction and converts the measured values into signals.
  • the mobile implement includes a computer or computing device that receives and processes data or signals sent from the sensor.
  • the computer has a logic or algorithm that determines, based on the data received from the sensor, an effect of wind force and / or wind direction and / or heat radiation intensity and / or heat radiation direction on the mobile work implement and in dependence on the particular one Effect sends a signal to an indicator or an actuator.
  • the indicator may display the current loads of the mobile implement by the current wind and heat radiation values, for example, as a graph, color code, or numerical value on a screen or to an operator by an audible or tactile signal, for example, vibrating an operating lever, when the mobile Work tool has approached or reached a critical area.
  • the adjusting element can convert the signal generated by the computer into an actuating movement of actuators, so that a configuration of the mobile working device can be adapted and / or a limit load of the mobile working device can be newly determined on the basis of the measured wind strength and / or wind direction and / or heat radiation intensity and / or heat radiation direction , That is, with the described mobile working device, a method can be implemented with which the load of a mobile working device can be detected by wind and / or heat influence and preferably displayed on a screen. The effects of the detected load on the implement may be calculated by the computer and upon reaching or exceeding a predetermined limit load on the implement, a configuration change to the implement may be automatically effected to return the implement back to a safe loading range below the limit.
  • An effect of the measured load may also be that, for example, the implement may lift a greater load than the configuration would allow for calm, low wind and / or normal temperature. That is, the results of the sensor measurement can lead to a reduction but also to an increase of permissible performance parameters of the mobile working device.
  • the boom of the mobile implement may be a telescoping boom having a body or outer boom body and at least one telescoping member, or a boom or telescopic boom connected to a preferably telescoping boom.
  • the mast and / or the boom is part of the superstructure which is preferably rotatably connected to the undercarriage, so that the superstructure, for example, on the undercarriage by an angle greater than 180 °, preferably greater than 270 ° and more preferably at an angle of 360 ° or greater than 360 ° can rotate.
  • the rotation is in both directions, that is, for example, clockwise and counterclockwise possible, with a rotation of more than 360 ° is also an unlimited number of rotations of the implement body in both directions of rotation includes.
  • each of the telescoping mast or jib parts and / or a respective base body which supports the einteleskop faced mast / Auslegermaschine receives, each having at least one sensor.
  • the sensors may be arranged so that they measure the current wind and / or the current heat radiation in the vicinity of the suspected weak points of the mobile implement, for example at or near the tip of the telescopic mast or at the tip of the boom or in the vicinity a joint connection.
  • the sensors may be sensors that measure only one wind direction, only one wind force, only one heat radiation direction and only one heat radiation intensity, or sensors that can detect several of the values, eg, wind direction and wind force or heat radiation direction and heat radiation intensity or wind direction and Wind strength and heat radiation direction and heat radiation intensity.
  • the sensors are connected to the arithmetic unit or the computer, which can not only receive and evaluate the data sent by the sensors, but can also send signals to the indicators, actuators and / or sensors to activate and deactivate them ,
  • the indicators and / or sensors can be constantly active, regardless of the current weather conditions.
  • the indicators are always active, so that the operator is always informed about the current load values of the mobile implement regardless of the weather.
  • the indicators can also be connected to the sensors in such a way that the indicators are always active when the sensors are also active.
  • the computer can sequentially activate the sensors or individual sensors in predefinable or predetermined intervals and in a predetermined sequence in order to obtain current wind and heat values.
  • the time interval between the individual active phases of the sensors can be dependent on the measured values. That is, if the measured values result in a result that is far from the predetermined limits, the time interval may be different from the subsequent measurement or activation of the sensors for example, one second. If the measured value is closer to the limit value, the time interval can be shortened until the next measurement.
  • at least one sensor can be permanently active and can not be switched off intentionally or unintentionally.
  • an acoustic or optical signal can be generated by the computer and / or the computer can automatically via the actuators the implement in a kind of emergency shutdown in a secure configuration, for example, the transport configuration in which all telescopic parts are einteleskopiert drive or place the boom on the carriage. Only when this sensor is operational again can work with the mobile implement be continued.
  • the permanently active sensor may in particular be a wind sensor, since unexpected and sudden changes in the heat radiation intensity are unlikely.
  • control elements can be driven, for example, by controlled hydraulic, pneumatic cylinders or electric motors.
  • the computer may include a memory storing limit curves for normal operation of the implement, and logic or algorithm that compares the data of the stored limit curves with the data calculated from the signals received from the sensor and upon reaching a predetermined limit recalculated the limit value of the mobile implement.
  • the computer can send signals to the corresponding actuators based on the newly calculated values and adjust the mobile implement configuration to the new limit curves.
  • the adaptation of the configuration of the mobile work implement may include, for example, a limitation or extension of degrees of freedom of movement and / or of a drive position and / or of a speed and / or a load limit.
  • the adjustment can also increase or decrease a maximum load of the mobile implement and / or a change in the extended length of the telescoping mast and / or boom lead.
  • the adaptation can also mean the emergency shutdown of the mobile implement.
  • the aim of the adaptation is ultimately to keep the mobile implement in a safe operating condition or return to the safe operating condition or to use additional gained by the wind and / or heat radiation power reserves of the implement with.
  • the mobile work equipment may have on the operator panel or in the cockpit of the operator's cab a display, for example a screen or a display, on which the values detected by the indicators and the limit values determined by the computer can be read. These are, for example, graphics in which the operator can see in which area the implement is currently working relative to predetermined or calculated limit curves.
  • the graph may have areas of different color that indicate to the operator whether he is working with the implement in a safe area (e.g., green), a transition area (e.g., yellow), or a border area (e.g., red).
  • a border area e.g., red
  • the described device can basically be used in numerous mobile working devices.
  • a preferred application is a mobile crane with an undercarriage and a superstructure and a telescopic mast with a boom.
  • Another aspect of the invention relates to a computer program for carrying out the method described above.
  • the computer may include a digital microprocessor unit (CPU) data-connected to a memory system and a bus system, a random access memory (RAM). as well as a storage medium.
  • the CPU is adapted to execute instructions executed as a program stored in a memory system, to detect input signals from the data bus, and to output signals to the data bus.
  • the storage system may have various storage media such as optical, magnetic, solid state and other non-volatile media on which a corresponding computer program for carrying out the method and the advantageous embodiments is stored.
  • the program may be arranged to embody or perform the methods described herein so that the CPU may perform the steps of such methods and thereby calculate and update a current load of the mobile implement from the currently measured wind and / or heat values Based on the calculations can control signals to output the current load situation, for example on a screen and / or control signals for actuators to adjust the configuration of the mobile work equipment.
  • Suitable for performing a method is a computer program having program code means for performing all steps of the method when the program is executed on a computer.
  • the computer program can be easily read into already existing control units and used to control actuators for changing a configuration of the mobile work implement and an output of the current configuration, for example on a screen, via an audible or a tactile display.
  • Another aspect of the invention relates to a computer program product having program code means stored on a computer-readable medium for carrying out the method described above when the program code means are executed on a computer.
  • the computer program product can also be integrated as a retrofit option in control units.
  • the term “a” is used as an indefinite article and the number of parts is not limited to a single one. If “a” has the meaning of "only one”, then this is obvious to those skilled in the art from the context or is unambiguously revealed through the use of appropriate terms such as "a single”.
  • FIG. 1 side view of a mobile crane
  • FIG. 2 a view of the mobile crane of FIG. 1 from the front
  • Figure 3 schematic representation of a control for a mobile implement.
  • 1 is a mobile implement 1, in the illustrated embodiment, a mobile crane 1 sketched in a side view.
  • the mobile crane has an undercarriage 2 and a superstructure 3 with a boom 4.
  • the boom 4 is connected to the superstructure 3 via a telescopic mast 5, which in the exemplary embodiment has a first mast part 5a or base body connected to a work implement body and three telescopic mast parts 5b, 5c, 5d.
  • a sensor 7 is arranged, which can detect the current acting in this area wind and / or heat values.
  • the sensor 7 can detect only one wind force, only one wind direction, only one heat radiation intensity or only one heat radiation direction. However, it is preferred if the sensor 7 can simultaneously detect the wind direction and the wind strength or the direction of heat radiation and the heat radiation intensity or all four values.
  • a further sensor 8 is mounted.
  • the sensor 7 may, for example, be a light and / or infrared sensor which is constructed such that it receives light incident from any direction and / or measuring light intensity or having an actuator which tracks the sun.
  • the sensor 8 may be a wind sensor capable of measuring a wind direction and a wind force.
  • sensors 7, 8 may be provided, which may be the wind and heat sensors described to sensors 7, 8, each of which detects the wind and heat values, or sensors 7, 8, at least one of which detects the wind direction, at least one further the wind force, at least one other the heat radiation intensity and at least one additional the heat radiation direction.
  • the arrows in FIG. 1 indicate a wind direction from which, for example, a strong wind blows and / or the sun radiates onto the mobile crane with a high heat radiation intensity.
  • the wind and / or the heat radiation intensity can push or elastically deform the mast 5 from the setpoint position shown by solid lines, which is determined inter alia by a held load, into the actual position shown in dashed lines.
  • a lever is extended between the center of gravity of the mobile crane 1 and the point of application of the load held on the tip of the boom 4, whereby the mobile crane 1 respectively the mast 5 and the boom 4 from a safe configuration by the wind / heat radiation in a could reach critical configuration, in which the mobile crane 1, for example, tilt or mast 5 can bend.
  • the operator of the mobile working device can also be active which can be warned by an optical, acoustic or tactile signal shortly before or upon reaching a critical configuration of the mobile crane.
  • FIG. 2 shows the mobile crane of FIG. 1 in a rear view with laterally extended supports.
  • the wind and / or the heat radiation from the side of the mast 5 and the boom 4 a In order to prevent the mast 5 from bending when the lateral wind and / or heat load is too great, for example, the mast can be moved to a safer state by the operator or automatically by the arithmetic unit 10.
  • FIG. 3 shows a schematic regulation for the mobile implement 1. From the sensors 7, 8 and 9 and optionally other sensors, data such as wind speed, wind strength, heat radiation intensity and heat radiation direction are measured, for example, on the mast 5 and / or on the boom 4. The sensors 7, 8, 9 send the measured values representing signals to the arithmetic unit 10. In the arithmetic unit 10 1 predetermined load limit curves for the mast 5 and / or the boom 4 can be stored in a memory.
  • the arithmetic unit 10 furthermore has a central random access memory 12, in which the signals transmitted by the sensors 7, 8, 9 can be filtered and processed in order, by means of a predetermined algorithm, to load the mast 5 and / or jib 4 currently by the wind and to calculate the heat radiation.
  • This result can be compared in the arithmetic unit 10 with the known load limits. If the current load is less than the predetermined limit load, this result can be displayed, for example, on a display 13, while no control signals are sent to, for example, mast 5 or boom 4 actuators.
  • FIG. 3 shows exactly this situation, in which the results of the calculation are forwarded to the display 13, but the connections between the arithmetic unit 10 and the mast 5 and the boom 4 or corresponding actuators are interrupted.
  • the arithmetic unit 10 can generate control signals and send to the appropriate actuators to change a current configuration of the mast 5 and / or the boom 4 so that an entire system of the mobile crane 1 again has loads that are below the specified limits.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Jib Cranes (AREA)

Abstract

L'invention concerne un engin de travail mobile, comprenant : un châssis roulant (2), un châssis tournant (3) équipé d'une flèche (4), un capteur (7, 8, 9), relié à une partie de la flèche (4), qui détecte la force et/ou la direction du vent et/ou l'intensité et/ou la direction d'un rayonnement thermique, et une unité de calcul (10), reliée au capteur (7, 8, 9), qui reçoit et traite les données mesurées par le capteur (7, 8, 9). L'unité de calcul (10) contient une logique qui, à partir des données reçues du capteur (7, 8, 9), détermine un effet de la force et/ou de la direction du vent et/ou de l'intensité et/ou de la direction du rayonnement thermique sur l'engin de travail mobile (1). En fonction de l'effet déterminé, l'unité de calcul (10) envoie un signal à un élément actionneur et/ou à un indicateur et elle adapte la configuration de l'engin de travail mobile (1) à la force et/ou la direction du vent et/ou l'intensité et/ou la direction du rayonnement thermique mesurées ou bien elle redétermine et/ou applique une charge limite de l'engin de travail mobile (1).
PCT/EP2014/056112 2013-04-22 2014-03-27 Surveillance au moyen de capteurs de la direction du vent et du rayonnement thermique incident pour un engin de travail mobile WO2014173609A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112014002081.8T DE112014002081B4 (de) 2013-04-22 2014-03-27 Sensorbasierte Überwachung von Windrichtung und Wärmeeinstrahlung für ein mobiles Arbeitsgerät

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202013003782.2 2013-04-22
DE202013003782U DE202013003782U1 (de) 2013-04-22 2013-04-22 Sensorbasierte Überwachung von Windrichtung und Wärmeeinstrahlung für ein mobiles Arbeitsgerät

Publications (1)

Publication Number Publication Date
WO2014173609A1 true WO2014173609A1 (fr) 2014-10-30

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PCT/EP2014/056112 WO2014173609A1 (fr) 2013-04-22 2014-03-27 Surveillance au moyen de capteurs de la direction du vent et du rayonnement thermique incident pour un engin de travail mobile

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WO (1) WO2014173609A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700090841A1 (it) * 2017-08-04 2019-02-04 Ognibene Power Spa Veicolo semovente dotato di un’unità di sollevamento
IT201800004717A1 (it) 2018-04-19 2019-10-19 Braccio articolato provvisto di un sistema per la compensazione di deformazioni dovute a carichi
DE102020119969A1 (de) 2020-07-29 2022-02-03 Liebherr-Werk Nenzing Gmbh System zur Überwachung von Windeinflüssen auf ein Arbeitsgerät

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211245A (en) * 1991-07-01 1993-05-18 Crash Rescue Equipment Service, Inc. Vehicle mounted aerial lift
EP1149796A2 (fr) * 2000-04-28 2001-10-31 Potain Dispositif de contrôle de commande pour grues à tour
EP1221426A2 (fr) * 2001-01-09 2002-07-10 Jack B. Shaw Dispositif et méthode de sécurité pour grues
EP2123590A1 (fr) * 2008-05-22 2009-11-25 Manitowoc Crane Group France Procédé de commande du mouvement d'orientation de la partie tournante d'une grue à tour
US20110088970A1 (en) * 2009-09-28 2011-04-21 Haulotte Group Elevating platform and a method of controlling such a platform
US20120312767A1 (en) * 2011-06-10 2012-12-13 Liebherr-Werk Ehingen Gmbh Method of monitoring crane safety during the setup procedure, as well as crane and crane control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10022658B4 (de) 1999-06-28 2007-10-04 Terex-Demag Gmbh & Co. Kg Teleskopkran
DE10155006B4 (de) 2001-11-06 2004-12-16 Terex-Demag Gmbh & Co. Kg Fahrzeugkran mit Superlifteinrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211245A (en) * 1991-07-01 1993-05-18 Crash Rescue Equipment Service, Inc. Vehicle mounted aerial lift
EP1149796A2 (fr) * 2000-04-28 2001-10-31 Potain Dispositif de contrôle de commande pour grues à tour
EP1221426A2 (fr) * 2001-01-09 2002-07-10 Jack B. Shaw Dispositif et méthode de sécurité pour grues
EP2123590A1 (fr) * 2008-05-22 2009-11-25 Manitowoc Crane Group France Procédé de commande du mouvement d'orientation de la partie tournante d'une grue à tour
US20110088970A1 (en) * 2009-09-28 2011-04-21 Haulotte Group Elevating platform and a method of controlling such a platform
US20120312767A1 (en) * 2011-06-10 2012-12-13 Liebherr-Werk Ehingen Gmbh Method of monitoring crane safety during the setup procedure, as well as crane and crane control

Also Published As

Publication number Publication date
DE202013003782U1 (de) 2013-05-07
DE112014002081A5 (de) 2016-01-14
DE112014002081B4 (de) 2022-03-17

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