EP2759510A1 - Appareil pour travaux de construction et procédé de fonctionnement d'un appareil pour travaux de construction - Google Patents

Appareil pour travaux de construction et procédé de fonctionnement d'un appareil pour travaux de construction Download PDF

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Publication number
EP2759510A1
EP2759510A1 EP13000358.5A EP13000358A EP2759510A1 EP 2759510 A1 EP2759510 A1 EP 2759510A1 EP 13000358 A EP13000358 A EP 13000358A EP 2759510 A1 EP2759510 A1 EP 2759510A1
Authority
EP
European Patent Office
Prior art keywords
coupling element
construction work
boom
seilanlenkeinrichtung
carrier vehicle
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.)
Granted
Application number
EP13000358.5A
Other languages
German (de)
English (en)
Other versions
EP2759510B1 (fr
Inventor
Andreas Christoph Benjamin Schuell
Maximilian Arzberger
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen 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
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to EP13000358.5A priority Critical patent/EP2759510B1/fr
Publication of EP2759510A1 publication Critical patent/EP2759510A1/fr
Application granted granted Critical
Publication of EP2759510B1 publication Critical patent/EP2759510B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B66C23/62—Constructional features or details
    • 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
    • B66C23/90—Devices for indicating or limiting lifting moment
    • B66C23/905—Devices for indicating or limiting lifting moment electrical

Definitions

  • the invention relates to a construction work implement according to the preamble of claim 1 and a method for operating a construction work implement.
  • a known construction implement such as a crawler crane or a crane, comprises a carrier vehicle, an outrigger adjustably mounted on the carrier vehicle, and a hoist rope which is guided by a winch on the carrier vehicle via a pulley on the boom and has a free end for receiving a tool.
  • the tool may in particular be a gripper, for example for creating a slot in the floor.
  • a crawler crane with a carrier vehicle, a boom and a hoist rope guided over the boom is in the WO 2012/046464 A1 disclosed.
  • the invention has for its object to provide a construction equipment and a method for operating a construction equipment, which have a particularly high reliability.
  • the construction work implement according to the invention is characterized in that the Seilanlenk beautiful comprises a deflectable mounted on a base coupling element to which the free end of the hoisting rope is fastened, and that the Seilanlenk Vietnamese comprises a sensor for detecting a deflection position of the coupling element.
  • a basic idea of the invention can be seen in the fact that the hoist rope hanging freely from the boom is fastened to a coupling element, which in particular can be a swivel lever and / or a displacement lever. Under a deflection of the coupling element is preferably understood a pivoting movement and / or a sliding movement. Due to the deflection movements of the rope relative to the Seilanlenkddling can be compensated, so that the risk of damage to the boom, the rope or the articulation or attachment point is reduced.
  • Another basic idea of the invention can be seen in detecting the deflection position of the coupling element by means of a sensor. If the cable end attached to the coupling element is tightened, the coupling element is simultaneously deflected, in particular raised and / or pivoted and / or moved in translation. The deflection of the coupling element signals that the cable tension increases in the direction of an overload area. By detecting the position of the coupling element, therefore, a threatening overload of the boom, the rope or Seilanlenkicas can be detected early. By monitoring the deflection position of the coupling element thus safe operation can be ensured.
  • the Seilanlenk beautiful comprises an adjustable brake for braking the deflection movement of the coupling element.
  • the rotational movement or deflection movement of the coupling element about the pivot axis can be reduced so far by the adjustable brake that short-term, strong deflections of the coupling element and / or vibrations thereof are prevented.
  • the braking force of the brake can be adjustable, for example by means of a spring.
  • the coupling element thus moves against a friction force relative to the base, wherein the size of the friction force, preferably continuously, is adjustable.
  • the senor comprises a switch.
  • the switch may for example be designed as a contact switch. It is particularly preferred that the sensor comprises a proximity switch.
  • the switch is preferably designed to output a switching signal at a predetermined position of the coupling element.
  • the senor or switch is adjustably arranged at the base of Seilanlenk issued.
  • the deflection position of the coupling element, in which a switching signal is triggered change.
  • the sensor is displaceable relative to the base along a curved path.
  • the curved displacement track preferably runs concentrically to the axis of rotation of the coupling element.
  • a slotted guide is preferably provided.
  • the switching signal can be used, for example, to issue a warning signal to the operator of the construction work implement.
  • the switching position of the coupling element can be changed in a simple manner.
  • a particularly safe operation of the construction work implement can be ensured by providing a control device which is set up, in the case of a predetermined deflection position of the coupling element, an adjustment of the Limit boom.
  • the control device may limit a further adjustment of the boom in the direction of unsafe operation, in which there is an excessive load on the boom, the rope or the Anlenkddlings.
  • the control device can be set up to emit a control signal on a swivel drive of the jib in the case of a switching signal output by the sensor or switch, by means of which an adjustment of the jib is limited.
  • the carrier vehicle of the construction work implement may include, for example, an undercarriage and a pivotally mounted thereon uppercarriage.
  • the Seilanlenk issued is arranged on the uppercarriage of the carrier vehicle.
  • the Seilanlenk Vietnamese is preferably arranged so that it is easily accessible to an operator of the construction work device.
  • the Seilanlenk Vietnamese is arranged obliquely below the winch in an accessible area for the operator of the construction work equipment.
  • the Seilanlenk Vietnamese is located in a lower region of the upper carriage and / or in the region of the articulation of the boom on the superstructure.
  • the Seilanlenk Vietnamese is preferably arranged in a field of view of the driver of the construction equipment.
  • An additional increase in safety can be ensured by providing a stop for limiting the deflection movement of the coupling element.
  • the stop can in particular limit a deflection of the coupling element with unloaded hoist rope or unhooked hoist rope.
  • a further sensor element may be provided to signal a rest position or unloaded position of the coupling element, in which no force is exerted by the hoisting rope on the coupling element.
  • the additional sensor element can be designed in particular as a contact sensor.
  • the method for operating a construction work implement is inventively characterized in that the hoisting rope is attached to the coupling element of the Seilanlenk issued.
  • the attachment of the hoist rope to the coupling element then takes place if no tool is attached to the hoist rope, in particular for moving and swiveling the construction implement.
  • a construction work implement 10 for example a cable excavator or crane, comprises a carrier vehicle 12 with an uppercarriage 16, which is mounted rotatably about a vertical axis of rotation on an undercarriage 14 indicated only schematically.
  • a winch 20 for receiving a hoist rope 22 is arranged on the carrier vehicle 12, in particular the superstructure 16, a winch 20 for receiving a hoist rope 22 is arranged. It can also be provided with corresponding hoisting ropes 22 a plurality of winches 20, as in Fig. 1 shown.
  • the hoist rope 22 serves to receive a tool, for example a gripper.
  • a load-receiving device for example a rope bottle, can be arranged at the end of the rope.
  • the load-receiving device may in particular have a hook for receiving the tool.
  • the construction implement 10 includes a driver's cab 24 for an operator or driver.
  • a driver's cab 24 for an operator or driver.
  • articulation points 32 for a boom 30, which is indicated only schematically, and which can be designed in particular as a lattice boom.
  • the hoist rope 22 is guided starting from the winch 20 via one or more pulleys, not shown, at an upper portion of the boom 30.
  • the Seilanlenk beautiful 40 includes a base 41 which is fixed to the uppercar 16 of the host vehicle 12.
  • the base 41 comprises two parallel retaining walls 42, between which a bolt 44 extends.
  • the bolt 44 is fixed in openings 43 of the retaining walls 42 and fixedly connected to the retaining walls 42.
  • a coupling element 46 which may also be referred to as a pivot lever 36 or pivot member, rotatably mounted.
  • the coupling element 46 comprises a lever arm 47 which is rotatably mounted about the bolt 44.
  • the lever arm 47 has for this purpose a bearing eye 48, which receives the bolt 44.
  • the bolt 44 forms a pivot axis of the coupling element 46.
  • a fastening eye 49 or Seilanschlagddling is formed, to which the cable end of the hoist rope 22, in particular by means of a fastening hook, can be attached.
  • the coupling element 46 can be pivoted approximately vertically downwards from the bolt 44 and approximately vertically upwards from the bolt 44.
  • a pivoting of the jib 30, which causes the hoist rope 22 to be tensioned moves the coupling element 46 upwards. If a relief of the hoist rope 22, so the coupling element 46 moves downward.
  • a stop 70 is arranged, on which the coupling element 46 rests with relieved hoist rope 22 or 22 unhooked.
  • the stopper 70 can Have a sensor to detect the unloaded position of the coupling element 46 and optionally signal.
  • the Seilanlenk beautiful 40 includes a brake 60 to actively brake the deflection or pivoting movement of the coupling element 46, so to increase the frictional force during the movement of the coupling element 46.
  • the brake 60 comprises a brake pad 64, which bears against the bolt 44 and is pressed against the bolt 44 by means of a spring 62.
  • an adjusting device 66 is arranged, by means of which the biasing force of the spring 62 can be adjusted.
  • the adjusting device 66 comprises a pressure element 67, which presses against the outer end of the spring 62. By adjusting the pressure element 67, the axial extent of the spring 62 is changed, thus increasing or decreasing the spring force.
  • the adjustment of the pressure element 67 takes place, for example, by means of an adjusting screw 68. With the adjusting device 66 can thus be adjusted, the braking force.
  • FIGS. 2 and 3 show a first embodiment of a Seilanlenk Republic 10 ; as generally in Fig. 1 is shown.
  • a sensor 50 is attached, which is designed in the illustrated embodiment as a proximity sensor or proximity switch. In principle, however, other types of sensors are possible.
  • the proximity switch 50 is fastened to a holder 52, which is adjustable parallel to the deflection movement of the coupling element 46. In other words, the holder 52 of the proximity switch 50 is rotatable about the axis of rotation of the coupling element 46.
  • the proximity switch 50 is disposed in a position corresponding to a raised position of the coupling element 46.
  • the proximity switch 50 is located laterally next to the movement path of the coupling element 46 and is arranged so that the coupling element 46 can move past the proximity switch 50.
  • the proximity switch 50 triggers a switching signal.
  • This switching signal is supplied to a control device which outputs a control signal to limit the movement of the boom 30. Additionally or alternatively, the driver of the construction work device 10, a warning signal can be supplied.
  • an adjusting device 54 For adjusting the sensor or proximity switch 50, an adjusting device 54 is provided.
  • the adjusting device 54 comprises an arc-shaped guide 56 formed on the holder 52 and one or more guide elements 58 on the base 41, which engage in the guide 56.
  • the guide elements 58 may for example be designed as pins, which engage in the link 56.
  • the holder 52 can be fixed in a defined position by means of a fastening device, for example, to the pins attachable nuts or the like.
  • the holder 52 of the proximity switch 50 is adjustable in this manner relative to the base 41. With the slotted guide, the holder 52 can be adjusted along a curved path, in particular a circular path, relative to the base 41. In this way, the switching point, ie the deflection position of the coupling element 46, in which a switching signal is triggered, can be adjusted.
  • FIGS. 4 and 5 show a second embodiment of a Seilanlenk issued 10, as generally in Fig. 1 is shown.
  • the coupling element 46 translationally mounted on a base member 38 of the pivot member or pivot lever 36 axially displaceable.
  • the coupling element 46 is thus arranged both pivotable and translationally movable relative to the base 41.
  • a linear guide is provided, which is embodied in the illustrated embodiment by way of example as a pin guide.
  • the base element 38 or the coupling element 46 has a bolt 34, which is guided in a corresponding bolt receptacle 33 of the respective other element.
  • the coupling element 46 is biased by a spring 39, which forces the coupling element 46 in the direction of the base member 38.
  • the deflection of the coupling element 46 relative to the base member 38 thus takes place against a spring force.
  • the spring is arranged around the bolt 34 of the coupling element 46 and is supported on the one hand on a stop 35 on the circumference of the bolt 34 and on the other hand on a stop 37 on the inner circumference of the bolt receptacle 33 from.
  • the translational deflection of the coupling element 46 relative to the base element 38 is detected by means of a sensor 50, which can be designed as a proximity sensor or proximity switch.
  • the sensor 50 detects a displacement of the coupling element 46 relative to the base element 38 and is preferably arranged on the base element 38.
  • a switching signal At a defined displacement or deflection position of the proximity switch 50 triggers a switching signal, which limits the movement of the boom 30 and / or generates a warning signal.
  • the safety of a construction work implement 10, in particular a cable excavator, can be significantly increased by the invention.
  • the arranged on the superstructure 16 Seilfest Vietnamese for the free end of the hoist rope 22 is formed on a pivotable arm.
  • the rotational movement of the arm about the pivot axis is reduced by a spring-loaded, adjustable brake 60 so far that short, strong swings of the swing arm and vibrations thereof are prevented.
  • the cable end fastened to the swivel arm is tightened, the swivel arm is thereby raised until the swivel arm is in front of the proximity switch 50.
  • the proximity switch 50 prevents further adjustment of the boom 30 and in particular causes a safety shutdown of the boom.
  • the position of the proximity switch 50 can be changed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP13000358.5A 2013-01-24 2013-01-24 Appareil pour travaux de construction et procédé de fonctionnement d'un appareil pour travaux de construction Active EP2759510B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13000358.5A EP2759510B1 (fr) 2013-01-24 2013-01-24 Appareil pour travaux de construction et procédé de fonctionnement d'un appareil pour travaux de construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13000358.5A EP2759510B1 (fr) 2013-01-24 2013-01-24 Appareil pour travaux de construction et procédé de fonctionnement d'un appareil pour travaux de construction

Publications (2)

Publication Number Publication Date
EP2759510A1 true EP2759510A1 (fr) 2014-07-30
EP2759510B1 EP2759510B1 (fr) 2015-07-15

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ID=47631246

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EP13000358.5A Active EP2759510B1 (fr) 2013-01-24 2013-01-24 Appareil pour travaux de construction et procédé de fonctionnement d'un appareil pour travaux de construction

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222332A (en) * 1978-06-01 1980-09-16 Newman Timothy L Truck mounted railroad crane main bed frame
US5263660A (en) * 1990-08-17 1993-11-23 Iowa Mold Tooling Company, Inc. Anti-two block device
US6068145A (en) * 1998-08-03 2000-05-30 Msi Crane & Equipment Co. Anti-two block system
DE10153105A1 (de) * 2000-10-23 2002-08-22 Demag Mobile Cranes Gmbh & Co Automatisches Verfahren zum sicheren Ablegen und Aufnehmen einer Hakenflasche
WO2012046464A1 (fr) 2010-10-06 2012-04-12 古河電気工業株式会社 Collimateur de guide d'onde optique et dispositif de commutation optique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222332A (en) * 1978-06-01 1980-09-16 Newman Timothy L Truck mounted railroad crane main bed frame
US5263660A (en) * 1990-08-17 1993-11-23 Iowa Mold Tooling Company, Inc. Anti-two block device
US6068145A (en) * 1998-08-03 2000-05-30 Msi Crane & Equipment Co. Anti-two block system
DE10153105A1 (de) * 2000-10-23 2002-08-22 Demag Mobile Cranes Gmbh & Co Automatisches Verfahren zum sicheren Ablegen und Aufnehmen einer Hakenflasche
WO2012046464A1 (fr) 2010-10-06 2012-04-12 古河電気工業株式会社 Collimateur de guide d'onde optique et dispositif de commutation optique

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Publication number Publication date
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