EP3369688B1 - Grue permettant la manipulation de charges - Google Patents

Grue permettant la manipulation de charges Download PDF

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Publication number
EP3369688B1
EP3369688B1 EP18159211.4A EP18159211A EP3369688B1 EP 3369688 B1 EP3369688 B1 EP 3369688B1 EP 18159211 A EP18159211 A EP 18159211A EP 3369688 B1 EP3369688 B1 EP 3369688B1
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EP
European Patent Office
Prior art keywords
crane
load handling
manoeuvring
auxiliary
handling tool
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
EP18159211.4A
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German (de)
English (en)
Other versions
EP3369688A1 (fr
Inventor
Olov GRANSTRÖM
Tomas Bergman
Daniel Morales
Marcus RÖSTH
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.)
Cargotec Patenter AB
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Cargotec Patenter AB
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Publication date
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Publication of EP3369688A1 publication Critical patent/EP3369688A1/fr
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Publication of EP3369688B1 publication Critical patent/EP3369688B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • 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
    • B66C23/06—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 with jibs mounted for jibbing or luffing movements
    • B66C23/08—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
    • 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes

Definitions

  • the present invention relates to a hydraulic load handling crane according to the preamble of claim 1.
  • a crane is known from KR 1020 140 122 699 A1 .
  • a load handling crane in the form of a conventional lorry crane normally comprises a column, which is rotatable about a vertical axis of rotation, and a crane boom system, which is mounted to the column and which is intended to carry a load via a load handling tool suspended at a boom tip of the crane boom system, i.e. at the outer end of the outermost crane boom of the crane boom system.
  • the load handling crane also comprises a manoeuvring device with one or more manoeuvring members configured to be manoeuvrable by a crane operator in order to control the crane boom movements.
  • the individual movements of the crane booms of the crane boom system are regulated by an electronic control device based on control signals from the manoeuvring device.
  • a first manoeuvring member may be used for controlling the rotation of the column
  • a second manoeuvring member may be used for controlling the movement of the boom tip in the vertical direction
  • a third manoeuvring member may be used for controlling the movement of the boom tip in the horizontal direction.
  • the manoeuvring device could as an alternative be provided with a manoeuvring member in the form of a joystick to be used for controlling the movement of the boom tip in the vertical and horizontal directions.
  • the manoeuvring device is normally portable and carried by the crane operator, for instance by means of a waist belt or harness.
  • the crane operator of a lorry crane normally remains in the vicinity of the lorry when controlling the crane boom movements by means of the portable manoeuvring device.
  • the crane operator may be assisted by a person which is standing in the vicinity of said spot and which communicates with the crane operator via a wireless communication system, for instance in the form of a radio system, wherein the assisting person instructs the crane operator verbally how to move the boom tip and the load handling tool.
  • a wireless communication system for instance in the form of a radio system
  • the object of the present invention is to provide a new and favourable manner of assisting a crane operator of a hydraulic load handling crane in a situation when the place where a load is to be picked up or set down is not within sight of the crane operator.
  • said object is achieved by means of a load handling crane having the features defined in claim 1.
  • the load handling crane according to the invention comprises:
  • the auxiliary manoeuvring device comprises a base part which is configured to be attached to the load handling tool or to a load carried by the load handling tool or to the boom tip of the crane boom system, wherein the auxiliary manoeuvring member is fixed to the base part.
  • a person standing in the vicinity of the load handling tool at a place out of sight of the ordinary crane operator may take over the manoeuvring of the crane by means of the auxiliary manoeuvring device.
  • the auxiliary manoeuvring device By having the auxiliary manoeuvring device attached to the load handling tool or to a load carried by the load handling tool or to the boom tip of the crane boom system, the auxiliary manoeuvring device will always be available to a person standing in the vicinity of the load handling tool.
  • auxiliary manoeuvring device Owing to the fact that the auxiliary manoeuvring device is attached to the load handling tool or to a load carried by the load handling tool or to the boom tip of the crane boom system, it will also be possible to design the auxiliary manoeuvring device in such a manner that the boom tip of the crane boom system is made to move in the direction in which the person pulls or pushes the auxiliary manoeuvring member of the auxiliary manoeuvring device, whereby the crane can be manoeuvred in a simple and intuitive manner by means of the auxiliary manoeuvring device.
  • liftable and lowerable crane boom refers to a crane boom which can be pivoted in a vertical plane so as to thereby perform liftings and lowerings of a load carried by the crane.
  • hydraulic cylinder for lifting and lowering the crane boom here refers to the hydraulic cylinder which is associated with the liftable and lowerable crane boom and which carries out the pivoting thereof in a vertical plane.
  • Fig 1 shows a hydraulic load handling crane 1 according to an embodiment of the present invention.
  • the crane 1 comprises a frame 2, which for instance can be connected to the chassis of a lorry.
  • the frame 2 is provided with adjustable support legs 3 for supporting the crane 1.
  • the crane 1 further comprises:
  • the first hydraulic cylinder 8 comprises a cylinder part 8a which is articulately connected to the column 5, and a piston which is received in the cylinder part 8a and displaceable in relation to it, wherein the piston is fixed to a piston rod 8b which is articulately connected to the inner boom 7.
  • the second hydraulic cylinder 10 comprises a cylinder part 10a which is articulately connected to the inner boom 9, and a piston which is received in the cylinder part 10a and displaceable in relation to it, wherein the piston is fixed a piston rod 10b which is articulately connected to the outer boom 9.
  • the crane boom system 11 of the crane 1 is formed by the inner boom 7 and the outer boom 9 and the associated hydraulic cylinders 8, 10.
  • the crane boom system 11 of the crane 1 may as an alternative include more than two liftable and lowerable crane booms articulately connected to each other.
  • One or more of the crane booms of the crane boom system 11 may be telescopically extensible, for instance by means of one or more hydraulic cylinders, in order to enable an adjustment of the extension length thereof.
  • the outer boom 9 is telescopically extensible and comprises a base section 9a and several telescopic crane boom sections 9b which are mutually slidable in relation to each other in the longitudinal direction of the outer boom 9 for adjustment of the extension length thereof.
  • the telescopic crane boom sections 9b are displaceable in relation to the base section 9a and in relation to each other by means of hydraulic cylinders 12 carried by the outer boom 9.
  • a rotator 13 is articulately fastened to a boom tip 14 at the outer end of the outer boom 9, which rotator in its turn carries a load handling tool 15.
  • the load handling tool 15 is a crane fork, which for instance may be used for lifting a load 16 resting on a loading pallet 17.
  • the crane 1 of the present invention may also be provided with another type of load handling tool, such as for instance a lifting hook or a hydraulic gripping tool in the form of a so-called grapple.
  • the crane 1 comprises a main manoeuvring device 20, for instance in the form of a portable manoeuvring device of the type illustrated in Fig 2 , with one or more main manoeuvring members S1-S6 configured to be manoeuvrable by a crane operator in order to control the movement of the boom tip 14 of the crane boom system 11 and thereby the movement of the load handling tool 15.
  • a main manoeuvring device 20 for instance in the form of a portable manoeuvring device of the type illustrated in Fig 2 , with one or more main manoeuvring members S1-S6 configured to be manoeuvrable by a crane operator in order to control the movement of the boom tip 14 of the crane boom system 11 and thereby the movement of the load handling tool 15.
  • Control signals are transmitted via cable or a wireless connection from the manoeuvring device 20 to an electronic control device 21 (very schematically illustrated in Fig 9 ), which in its turn controls the hydraulic cylinders 6, 8, 10, 12 and the other actuators of the crane 1 in a conventional manner in dependence on the control signals from the manoeuvring device 20 related to the manoeuvring of the main manoeuvring members S1-S6.
  • the electronic control device 21 comprises a microprocessor or the similar for processing the control signals from the main manoeuvring device 20.
  • the electronic control device 21 is with advantage configured to control the crane boom movements on the basis of a calculation model for boom tip control.
  • the calculation model may for instance be stored as an algorithm in a memory of the electronic control device 21.
  • a first manoeuvring member S1 may be used for controlling the rotation of the column 5 in relation to the crane base 4
  • a second manoeuvring member S2 may be used for controlling the movement of the boom tip 14 in a vertical direction in order to control the height of the boom tip 14
  • a third manoeuvring member S3 may be used for controlling the movement of the boom tip 14 in a horizontal direction in order to control the lifting radius.
  • the main manoeuvring device 20 could as an alternative be provided with a main manoeuvring member in the form of a joystick to be used for controlling the movement of the boom tip 14 in the vertical and horizontal directions.
  • the crane 1 comprises an auxiliary manoeuvring device 30 with at least one auxiliary manoeuvring member 31, 31' configured to be manoeuvrable by a person standing in the vicinity of the load handling tool 15 in order to allow that person to control the movement of the boom tip 14 of the crane boom system 11 and thereby the position of the load handling tool 15.
  • the auxiliary manoeuvring device 30 is configured to transmit control signals to the electronic control device 21 related to the manoeuvring of the auxiliary manoeuvring member 31, 31', wherein the electronic control device 21 in its turn controls the hydraulic cylinders 6, 8, 10, 12 and the other actuators of the crane 1 in dependence on the control signals from the auxiliary manoeuvring device 30 related to the manoeuvring of the auxiliary manoeuvring member 31, 31'.
  • the auxiliary manoeuvring device 30 comprises a communication unit 32 (very schematically illustrated in Fig 9 ) for wireless transmission of control signals to the electronic control device 21.
  • the auxiliary manoeuvring device 30 comprises a base part 33 which is configured to be attached to the load handling tool 15 (as illustrated in Fig 3 ) or to a load 16 carried by the load handling tool (as illustrated in Fig 6 ) or to the boom tip 14 of the crane boom system 11.
  • the auxiliary manoeuvring member 31, 31' is fixed to the base part 33.
  • the base part 33 is preferably configured for releasable attachment to the load handling tool 15 or to a load 16 carried by the load handling tool or to the boom tip 14.
  • the base part 33 may be permanently fixed to the load handling tool 15.
  • one or more permanent magnets 34 are fixed to the base part 33, wherein the magnets 34 are configured to be magnetically attracted to a metallic element at the boom tip 14 or on the load handling tool 15 or on a load 16 carried by the load handling tool in order to keep the base part 33 attached to this metallic element.
  • the magnets 34 are fixed to a mounting plate 38 included in the base part 33.
  • the load handling tool 15 may be provided with a holder 18 designed for receiving the above-mentioned mounting plate 38.
  • a snap lock or the similar may be provided on the holder 18 and/or on the mounting plate 38 in order to lock the mounting plate reliably to the holder 18.
  • the auxiliary manoeuvring member 31, 31' preferably has the form of a handle or handlebar to be gripped by one or both hands of a person standing in the vicinity of the load handling tool 15, wherein the auxiliary manoeuvring device 30 comprises a force sensing unit 35 (very schematically illustrated in Fig 9 ) for sensing the direction and magnitude of the force exerted onto the base part 33 via the auxiliary manoeuvring member 31, 31' by a person gripping the auxiliary manoeuvring member.
  • the auxiliary manoeuvring device 30 further comprises an electronic processing unit 36 (very schematically illustrated in Fig 9 ) which is connected to the force sensing unit 35 in order to receive measuring signals from the force sensing unit as to the direction and magnitude of the force exerted onto the base part 33 via the auxiliary manoeuvring member 31, 31' by a person gripping the auxiliary manoeuvring member 31, 31', wherein the electronic processing unit 36 is configured to convert these measuring signals into control signals for transmission to the electronic control device 21 of the crane 1.
  • an electronic processing unit 36 (very schematically illustrated in Fig 9 ) which is connected to the force sensing unit 35 in order to receive measuring signals from the force sensing unit as to the direction and magnitude of the force exerted onto the base part 33 via the auxiliary manoeuvring member 31, 31' by a person gripping the auxiliary manoeuvring member 31, 31', wherein the electronic processing unit 36 is configured to convert these measuring signals into control signals for transmission to the electronic control device 21 of the crane 1.
  • the force sensing unit 35 may comprise strain gauges 37 for sensing the direction and magnitude of the force exerted onto the base part 33 via the auxiliary manoeuvring member 31, 31' by a person gripping the auxiliary manoeuvring member.
  • the force sensing unit 35 may as an alternative comprise any other suitable type of sensors for sensing the direction and magnitude of the force exerted onto the base part 33 via the auxiliary manoeuvring member 31, 31' by a person gripping the auxiliary manoeuvring member.
  • the communication unit 32 of the auxiliary manoeuvring device 30 may comprise a radio transceiver for communicating with the electronic control device 21. It is of course also possible to use any other suitable technique for wireless communication between the auxiliary manoeuvring device 30 and the electronic control device 21.
  • the communication unit 32 and the electronic control device 21 are suitably adapted for bi-directional communication so that the communication unit 32 of the auxiliary manoeuvring device 30 can transmit control signals to the electronic control device 21 as well as receive control instructions from the electronic control device 21.
  • the operation of the communication unit 32 is controlled by the electronic processing unit 36.
  • the base part 33 comprises a mounting plate 38 and a bracket 39, the bracket having an inner end 39a facing the mounting plate 38 and an outer end 39b.
  • the mounting plate 38 is configured for attachment to the load handling tool 15 or to a load 16 carried by the load handling tool or to the boom tip 14 of the crane boom system 11, wherein the bracket 39 is fixed to the mounting plate 38 at its inner end 39a and projects outwards from the mounting plate 38.
  • the auxiliary manoeuvring member 31, 31' is fixed to the bracket 39 and the force sensing unit 35 is arranged in the bracket 39.
  • the other electronic components of the auxiliary manoeuvring device 30, such as for instance the above-mentioned communication unit 32 and electronic processing unit 36, may be arranged in the bracket 39 or in the mounting plate 38.
  • the auxiliary manoeuvring member 31 is mounted to the bracket 39 at the outer end 39b thereof.
  • the auxiliary manoeuvring member 31 is rigidly fixed to the bracket 39.
  • the auxiliary manoeuvring member 31' may be fixed to the bracket 39 via a flexible and elongated pulling element 40 in the form of a rope, a wire, a cable, a band or the similar, as illustrated in Figs 7 and 8 . In the latter case, a person gripping the auxiliary manoeuvring member 31' exerts a pulling force on the bracket 39 via the pulling element 40.
  • the pulling element 40 is permanently fixed to the bracket 39.
  • the pulling element 40 is removably fixed to the bracket 39 via an attachment eye 41 on the bracket.
  • the auxiliary manoeuvring device 30 illustrated in Figs 3-7 may, at the choice of the person standing in the vicinity of the load handling tool 15, be operated by means of the auxiliary manoeuvring member 31 rigidly fixed to the bracket 39 or by means of the auxiliary manoeuvring member 31' removably fixed to the bracket 39 via the pulling member 40.
  • the auxiliary manoeuvring member 31' is with advantage provided with a reverse direction switch 42, for instance in the form of a push button, which is manually moveable between a first position representing a normal movement direction and a second position representing a reverse movement direction.
  • a pulling force on the bracket 39 exceeding a given threshold magnitude is converted into control signals for moving the load handling tool 15 in a given first direction when the reverse direction switch 42 is in the first position and into control signals for moving the load handling tool 15 in the reverse direction when the reverse direction switch 42 is in the second position.
  • a pulling force on the bracket 39 from the pulling member 40 may be converted into control signals for moving the load handling tool 15 in the pulling direction when the reverse direction switch 42 is in the first position and into control signals for moving the load handling tool 15 in a direction opposite to the pulling direction when the reverse direction switch 42 is in the second position.
  • the auxiliary manoeuvring member 31 is rigidly fixed to the bracket 39, it will be possible to exert a pulling force or pushing force on the bracket 39 in any direction by means of the auxiliary manoeuvring member 31.
  • a reverse direction switch 42 of the above-mentioned type may be omitted.
  • the auxiliary manoeuvring member 31, 31' is with advantage provided with a dead-man's grip 43 which has to be pressed down by the person gripping the auxiliary manoeuvring member 31, 31' in order to allow the crane 1 to be manoeuvred under the control of the auxiliary manoeuvring device 30.
  • the reverse direction switch 42 and the switch associated with the dead-man's grip 43 on the auxiliary manoeuvring member 31' illustrated in Figs 7 and 8 are connected to the electronic processing unit 36 via a wireless connection or via wires extending along the pulling element 40.
  • the auxiliary manoeuvring device 30 further comprises an orientation sensing unit 44 (very schematically illustrated in Fig 9 ) for sensing the orientation of the base part 33 in relation to the crane boom system 11.
  • the orientation sensing unit 44 may for instance comprise a gyro sensor 45 for sensing the orientation of the base part 33 in relation to the crane boom system 11.
  • the orientation sensing unit 44 may as an alternative comprise any other suitable type of sensors, such as for instance tilt sensors, for sensing the orientation of the base part 33 in relation to the crane boom system 11.
  • the electronic processing unit 36 is connected to the orientation sensing unit 44 in order to receive measuring signals from the orientation sensing unit as to the orientation of the base part 33 in relation to the crane boom system 11.
  • the electronic processing unit 36 is configured to take the orientation of the base part 33 in relation to the crane boom system 11 into account when converting the measuring signals from the force sensing unit 35 into control signals for moving the boom tip 14 and the load handling tool 15.
  • the auxiliary manoeuvring device 30 also comprises a power supply unit (not shown), for instance in the form of a battery, which is responsible for the supply of electric current to the electric and electronic components of the auxiliary manoeuvring device 30.
  • a power supply unit (not shown), for instance in the form of a battery, which is responsible for the supply of electric current to the electric and electronic components of the auxiliary manoeuvring device 30.
  • the main manoeuvring device 20 preferably comprises switching means by means of which the crane operator may select whether the main manoeuvring device 20 or the auxiliary manoeuvring device 30 is to have control of the manoeuvring of the crane 1.
  • the switching means may for instance have the form of a manoeuvring member 46 (see Fig 2 ), for instance in the form of a push button, on the main manoeuvring device 20 or a menu-guided interface with a function which can be selected by the crane operator in order to hand over the manoeuvring of the crane 1 from the main manoeuvring device 20 to the auxiliary manoeuvring device 30.
  • a manoeuvring member 46 see Fig 2
  • a push button for instance in the form of a push button
  • the auxiliary manoeuvring device 30 is preferably provided with signalling means, for instance in the form of a lamp 47, which is configured to emit a given signal when the crane operator has actuated the above-mentioned switching means in a desire to hand over the manoeuvring of the crane 1 from the main manoeuvring device 20 to the auxiliary manoeuvring device 30.
  • signalling means for instance in the form of a lamp 47, which is configured to emit a given signal when the crane operator has actuated the above-mentioned switching means in a desire to hand over the manoeuvring of the crane 1 from the main manoeuvring device 20 to the auxiliary manoeuvring device 30.
  • the main manoeuvring device 20 is preferably provided with signalling means, for instance in the form of a lamp 48, which is configured to emit a given signal when a person standing in the vicinity of the load handling tool 15 has subsequently activated the auxiliary manoeuvring device 30 by pressing down the dead-man's grip 43 or by pressing a dedicated push button on the auxiliary manoeuvring device 30.
  • signalling means for instance in the form of a lamp 48, which is configured to emit a given signal when a person standing in the vicinity of the load handling tool 15 has subsequently activated the auxiliary manoeuvring device 30 by pressing down the dead-man's grip 43 or by pressing a dedicated push button on the auxiliary manoeuvring device 30.
  • the control of the manoeuvring of the crane 1 may for instance be returned to the main manoeuvring device 20 and the ordinary crane operator when the dead-man's grip 43 has been released for a given period of time, which may be signalled to the crane operator by means of a given signal emitted by the above-mentioned signalling means on the main manoeuvring device 20.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Jib Cranes (AREA)
  • Control And Safety Of Cranes (AREA)

Claims (15)

  1. Grue permettant la manipulation de charges, comprenant :
    - une base de grue (4) ;
    - une colonne (5) qui est montée, de manière à pouvoir tourner, sur la base de grue (4) afin de pouvoir tourner par rapport à la base de grue autour d'un axe de rotation sensiblement vertical ;
    - un actionneur (6) pour faire tourner la colonne (5) ;
    - un système de flèches de grue (11) comprenant deux flèches de grue ou plus pouvant être levées et abaissées (7, 9) qui sont raccordées, de manière articulée, l'une à l'autre et des vérins hydrauliques (8, 10) pour lever et abaisser les flèches de grue (7, 9), dans laquelle une première flèche de grue (7) du système de flèches de grue est raccordée, de manière articulée, à la colonne (5) et une deuxième flèche de grue (9) du système de flèches de grue est raccordée, de manière articulée, à la première flèche de crue (7) ;
    - un outil de manipulation de charges (15) monté sur le système de flèches de grue (11) à un bout de flèche (14) du système de flèches de grue ;
    - un dispositif de commande électronique (21) pour commander ledit actionneur (6) et lesdits vérins hydrauliques (8, 10) afin de commander la rotation de la colonne (5) et le mouvement des flèches de grue (7, 9) et commander de ce fait la position de l'outil de manipulation de charges (15) ; et
    - un dispositif de manœuvre principal (20) avec un ou plusieurs organes de manœuvres principaux (S1, S2, S3) configurés pour être manœuvrables par un opérateur de grue afin de commander la position de l'outil de manipulation de charges (15), dans laquelle le dispositif de manœuvre principal (20) est configuré pour transmettre, à destination du dispositif de commande électronique (21), des signaux de commande relatifs à la manœuvre desdits organes de manœuvre (S1, S2, S3),
    caractérisée en ce que :
    - la grue (1) comprend un dispositif de manœuvre auxiliaire (30) avec au moins un organe de manœuvre auxiliaire (31, 31') configuré pour être manœuvrable par une personne se tenant à proximité de l'outil de manipulation de charges (15) afin de commander la position de l'outil de manipulation de charges, dans laquelle le dispositif de manœuvre auxiliaire (30) est configuré pour transmettre, à destination du dispositif de commande électronique (21), des signaux de commande relatifs à la manœuvre de l'organe de manœuvre auxiliaire (31, 31') ; et
    - le dispositif de manœuvre auxiliaire (30) comprend une partie de base (33) qui est configurée pour être attachée à l'outil de manipulation de charges (15) ou à une charge (16) portée par l'outil de manipulation de charges ou au bout de flèche (14) du système de flèches de grue (11), dans laquelle l'organe de manœuvre auxiliaire (31, 31') est fixé à la partie de base (33).
  2. Grue permettant la manipulation de charges selon la revendication 1, caractérisée en ce que le dispositif de manœuvre auxiliaire (30) comprend une unité de communication (32) pour une transmission sans fil de signaux de commande à destination du dispositif de commande électronique (21).
  3. Grue permettant la manipulation de charges selon la revendication 1 ou 2, caractérisée en ce que la partie de base (33) est configurée pour un attachement libérable à l'outil de manipulation de charges (15) ou à une charge (16) portée par l'outil de manipulation de charges ou au bout de flèche (14) du système de flèches de grue (11).
  4. Grue permettant la manipulation de charges selon la revendication 3, caractérisée en ce qu'un ou plusieurs aimants permanents (34) sont fixés à la partie de base (33), dans laquelle les aimants permanents (34) sont configurés pour être attirés magnétiquement par un élément métallique au bout de flèche (14) du système de flèches de grue (11) ou sur l'outil de manipulation de charges (15) ou sur une charge (16) portée par l'outil de manipulation de charges afin de maintenir la partie de base (33) attachée à cet élément métallique.
  5. Grue permettant la manipulation de charges selon l'une quelconque des revendications 1 à 4, caractérisée en ce que :
    - l'organe de manœuvre auxiliaire (31, 31') a la forme d'une poignée ou d'un guidon ; et
    - le dispositif de manœuvre auxiliaire (30) comprend :
    • une unité de détection de force (35) pour détecter la direction et la grandeur de la force exercée sur la partie de base (33) par l'intermédiaire de l'organe de manœuvre auxiliaire (31, 31') par une personne saisissant l'organe de manœuvre auxiliaire ; et
    • une unité de traitement électronique (36) qui est raccordée à l'unité de détection de force (35) afin de recevoir, en provenance de l'unité de détection de force, des signaux de mesure relatifs à la direction et à la grandeur de la force exercée sur la partie de base (33) par l'intermédiaire de l'organe de manœuvre auxiliaire (31, 31') par une personne saisissant l'organe de manœuvre auxiliaire, dans laquelle l'unité de traitement électronique (36) est configurée pour convertir ces signaux de mesure en signaux de commande à transmettre à destination du dispositif de commande électronique (21).
  6. Grue permettant la manipulation de charges selon la revendication 5, caractérisée en ce que :
    - la partie de base (33) comprend une plaque de montage (38) et un support (39), le support ayant une extrémité intérieure (39a) faisant face à la plaque de montage (38) et une extrémité extérieure (39b), dans laquelle la plaque de montage (38) est configurée pour être attachée à l'outil de manipulation de charges (15) ou à une charge (16) portée par l'outil de manipulation de charges ou au bout de flèche (14) du système de flèches de grue (11) et dans laquelle le support (39) est fixé à la plaque de montage (38) à son extrémité intérieure (39a) et faire saillie depuis la plaque de montage (38) ;
    - l'organe de manœuvre auxiliaire (31, 31') est fixé au support (39) ; et
    - l'unité de détection de force (35) est agencée dans le support (39).
  7. Grue permettant la manipulation de charges selon la revendication 6, caractérisée en ce que l'organe de manœuvre auxiliaire (31) est monté sur le support (39) à l'extrémité extérieure (39b) de celui-ci.
  8. Grue permettant la manipulation de charges selon la revendication 6, caractérisée en ce que l'organe de manœuvre auxiliaire (31') est fixé au support (39) par l'intermédiaire d'un élément de tirage allongé souple (40) sous la forme d'une corde, d'un fil, d'un câble, d'une bande ou d'un élément similaire.
  9. Grue permettant la manipulation de charges selon la revendication 8, caractérisée en ce que l'organe de manœuvre auxiliaire (31') est pourvu d'un commutateur de direction opposé (42) qui est déplaçable manuellement entre une première position représentant une direction de mouvement normal et une deuxième position représentant une direction de mouvement opposé, dans laquelle une force de tirage sur le support (39) dépassant une grandeur de seuil donnée est convertie en signaux de commande pour déplacer l'outil de manipulation de charges (15) dans une première direction donnée lorsque le commutateur de direction opposé (42) est à la première position et en signaux de commande pour déplacer l'outil de manipulation de charges (15) dans la direction opposé lorsque le commutateur de direction opposé (42) est à la deuxième position.
  10. Grue permettant la manipulation de charges selon l'une quelconque des revendications 5 à 9, caractérisée en ce que l'unité de détection de force (35) comprend des jauges de contrainte (37) pour détecter la direction et la grandeur de la force exercée sur la partie de base (33) par l'intermédiaire de l'organe de manœuvre auxiliaire (31, 31') par une personne saisissant l'organe ne manœuvre auxiliaire.
  11. Grue permettant la manipulation de charges selon l'une quelconque des revendications 1 à 10, caractérisée en ce que l'organe de manœuvre auxiliaire (31, 31') est pourvu d'un dispositif de sécurité de présence d'opérateur (43).
  12. Grue permettant la manipulation de charges selon l'une quelconque des revendications 1 à 11, caractérisée en ce que le dispositif de manœuvre auxiliaire (30) comprend une unité de détection d'orientation (44) pour détecter l'orientation de la partie de base (33) par rapport au système de flèches de grue (11).
  13. Grue permettant la manipulation de charges selon la revendication 12, caractérisée en ce que l'unité de détection d'orientation (44) comprend un capteur gyroscopique (45) pour détecter l'orientation de la partie de base (33) par rapport au système de flèches de grue (11).
  14. Grue permettant la manipulation de charges selon l'une quelconque des revendications 1 à 13, caractérisée en ce que l'outil de manipulation de charges (15) est une fourche de grue ou un grappin.
  15. Grue permettant la manipulation de charges selon l'une quelconque des revendications 1 à 14, caractérisée en ce que la deuxième flèche de grue (9) est extensible de manière télescopique afin de permettre un ajustement de la longueur d'extension de celle-ci.
EP18159211.4A 2017-03-02 2018-02-28 Grue permettant la manipulation de charges Active EP3369688B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1750229A SE540770C2 (en) 2017-03-02 2017-03-02 Load handling crane

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EP3369688A1 EP3369688A1 (fr) 2018-09-05
EP3369688B1 true EP3369688B1 (fr) 2020-05-13

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Publication number Priority date Publication date Assignee Title
EP3670426B1 (fr) 2018-12-21 2021-10-06 Hiab AB Machine de travail mobile et procédé de supervision de man uvre de jambes de stabilisateur inclus dans une machine de travail mobile
CN112010237B (zh) * 2020-08-26 2022-03-01 青岛中汽特种汽车有限公司 新型装卸设备

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Publication number Priority date Publication date Assignee Title
GB1019648A (en) * 1963-11-20 1966-02-09 Dewhurst & Partner Ltd Improvements in or relating to cranes
US3774217A (en) * 1973-02-21 1973-11-20 Tele E Lect Inc Radio control system for mobile aerial platforms
ES2569259T3 (es) * 2013-04-10 2016-05-09 Iveco Magirus Ag Sistema de elevación aéreo, en particular sistema de escalera giratoria
KR101523197B1 (ko) * 2014-09-01 2015-05-29 주식회사 광림 블루투스를 이용하는 크레인의 안전정보 제공시스템

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EP3369688A1 (fr) 2018-09-05
SE540770C2 (en) 2018-11-06
SE1750229A1 (sv) 2018-09-03

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