EP3144260A1 - Engin et procede de levage et d'abaissement d'un element de levage - Google Patents

Engin et procede de levage et d'abaissement d'un element de levage Download PDF

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Publication number
EP3144260A1
EP3144260A1 EP16178836.9A EP16178836A EP3144260A1 EP 3144260 A1 EP3144260 A1 EP 3144260A1 EP 16178836 A EP16178836 A EP 16178836A EP 3144260 A1 EP3144260 A1 EP 3144260A1
Authority
EP
European Patent Office
Prior art keywords
winch
free
construction machine
rope
hoist rope
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
EP16178836.9A
Other languages
German (de)
English (en)
Other versions
EP3144260B1 (fr
Inventor
Ludwig Andreas Huber
Johannes Sedlmeier
Leonhard Weixler
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
Publication of EP3144260A1 publication Critical patent/EP3144260A1/fr
Application granted granted Critical
Publication of EP3144260B1 publication Critical patent/EP3144260B1/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
    • B66C23/64—Jibs
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
    • 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
    • B66C13/46—Position indicators for suspended loads or for crane elements
    • 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
    • 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
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/58—Component parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/02—Hoists or accessories for hoists
    • B66D2700/021—Hauling devices

Definitions

  • the invention relates to a construction machine with a mast and a lifting element, which can be moved up and down along the mast with a hoist rope, which can be actuated by means of two cable winches, according to the preamble of claim 1.
  • the invention further relates to a method for moving a lifting element up and down in a construction machine in which a hoist rope is operated by means of two winches, according to the preamble of claim 12.
  • a winch with a hoist rope and a lifting element can be provided thereon.
  • the hoisting rope is connected at one end to the winch and can be wound up and unwound therefrom.
  • On the lifting element up and down to moving tool or load is arranged.
  • the ends of the hoist rope are each connected to a winch.
  • the two winch drives of the winches are operated synchronously. For moving the tool or the load up and down, moreover, approximately the same torques are to be provided on both cable winches by the winch drives.
  • An advantage of such a method of moving a tool or a load up and down is that not all the weight of the tool or the load has to be moved by a single winch. Much more For example, the weight can be moved together by the two winches attached to the construction machine or its mast.
  • Construction machines with two winches for moving a tool or a load up and down allow safe working, especially with heavy tools or loads.
  • Such construction machines may, for example, be a diaphragm wall grab which has a mast, a carrier unit and a mobile undercarriage.
  • the invention has for its object to provide a construction machine and a method for operating a hoisting rope, with the safe up and down movement of a lifting element can be performed very efficiently.
  • the construction machine according to the invention is characterized in that at least one first winch is designed as a free fall winch in which the hoist rope is freewheeling lowered, and that a control is provided, with which the first winch, which is designed as a freefall winch for lowering the hoisting rope in a freefall mode is switchable, while a second winch is frictionally operated.
  • a winch can be understood as a free-fall winch, which can freely release or unroll a hoist rope.
  • the freewheeling release or unwinding can be determined by the gravitational force of a Tool or a load can be generated, which can be connected to the hoisting rope via a lifting element.
  • a free-fall mode can be understood as a mode in which a hoisting rope is not substantially braked during a free-running lowering operation or operated non-positively in any other way.
  • a basic idea of the invention is that for lowering the hoist rope the two winches are asynchronous, that is, with different unwinding speeds, operable to allow the lowering of the hoisting rope with a lifting element, tool and / or a load with free fall speed.
  • the second winch can be designed as a force-operated winch, which allows a controlled lowering. This is a combined operation of a freefall winch and a hoist winch.
  • it has been recognized that such asynchronous operation of two winches enables a hoist rope to be reliably operated when lowered at a high free-fall speed. It is also possible to combine two freefall winches.
  • the free-fall speed can be understood to mean a speed which corresponds almost to the speed of the free-falling mass of the lifting element, the tool and / or the load during lowering.
  • a particularly preferred embodiment of the invention is that the lifting element is arranged with a rope bottle or a joint unit movable on the hoisting rope.
  • the rope bottle can be guided freely movable on the hoisting rope or the joint unit can be arranged movably on the hoist rope.
  • the lifting element can be articulated on the cable bottle or the joint unit.
  • the tool or the load can be pivotally and / or rotatably mounted about one or more pivot axes to the lifting element.
  • the rope bottle also serves in particular a load balance, that is, the load or the weight of the tool is transmitted evenly to the hoisting rope or the two winches.
  • a rope bottle can represent any rope deflection.
  • the rope bottle can consist of two opposite flanges, between which a profiled roller is arranged on a bearing, over which a hoisting rope can be deflected.
  • the two flanges can be arranged hinged.
  • the hoisting rope is formed from at least two ropes coupled or connected to one another.
  • the two cables coupled or connected together may be connected with cable connectors or coupled with cable couplers.
  • the two winches are connected via the at least two ropes coupled or connected to one another.
  • This embodiment of the invention has the advantage that in the event of damage or signs of wear not the entire hoist rope but only the damaged or worn single rope can be replaced without having to solve both cable connections with the two winches.
  • the cable connector on the opposite side of the free-fall, that is on the side of the non-positive hoist winch can be arranged.
  • a further advantageous embodiment variant of the construction machine according to the invention is given by the fact that the free fall winds has a free-fall, with which the free-fall can be opened for free-running lowering of the hoisting rope and the free-running hoist rope is braked by closing the free-fall brake again.
  • the freefall brake When the freefall brake is closed, that is to say, the freefall winch can be operated in a non-positive mode.
  • the freefall brake of the free fall winch can be opened.
  • the free fall winch can thus be operated both in a free fall mode and in a non-positive mode or operation. With the freefall brake open, it is in the freefall mode and with the freefall brake closed, in the non-positive mode. In the non-positive mode, the winch can either unwind rope, roll up rope, be hydraulically held or blocked with a holding brake.
  • each winch has a winch drum and that a first end of the hoisting rope is connected to a first winch drum of the first winch and a second end of the hoisting rope to a second winch drum of the second winch.
  • the two winches or the two winch drums can basically be arranged at any point on the construction machine. Particularly preferred is an arrangement parallel or transverse to a pivot axis of the mast of the construction machine.
  • the winch drums are also rotatably mounted in the winch and axially and non-positively by the free-fall brake or holding brake aufund rolled or blocked.
  • a particularly expedient operation result in that after lowering the hoisting rope from the starting position to an operating position in the first winch a larger Hubseilin is handled by the first winch drum than the second winch drum, and that the two Winches when lifting the hoist rope asynchronous operable, wherein when re-raising and the first winch drum, a larger Hubseilin is wound than on the second winch drum.
  • the cable sections of the hoist rope are preferably evenly distributed to the first and second winch drum. There may be an equal number of windings on each winch drum when the winch drums are provided with the same diameter.
  • asynchronous unwinding of the hoisting rope in a free fall can also be provided to handle the hoist of both wind drums in a non-positive operation of both winches with different unwinding speeds, which also different Hubseiltren can be handled when lowering.
  • the winches can be operated with correspondingly different speeds so that when reaching the starting position, the hoist rope evenly distributed on both wind drums is present.
  • an asynchronous operation of the two winches or the two winch drums in the sense of the invention is to be understood as meaning that the two winches or winch drums open or close the hoisting rope at different speeds.
  • Different speeds may consist of two of the following speeds: free-fall speed, holding speed (zero speed), a first arbitrary speed between the free-fall speed and the holding speed, and a second arbitrary speed between the free-falling speed and the holding speed other than the first arbitrary speed
  • the free fall speed is determined by the gravity of the lifting element or an attached tool or a load.
  • the speed may in particular be a speed which corresponds approximately to the free-fall speed, but is slightly lower to prevent the presence of a slack rope when lowering the hoist rope.
  • a freefall brake can only be solved so far that a small residual friction when unwinding the hoisting rope can be maintained by the winds.
  • the invention consists in a further advantageous embodiment in that the hoisting cable can be deflected on at least two deflecting rollers, which are arranged on the mast, and that the at least two deflecting rollers are mounted on at least one force measuring axle.
  • pulleys are particularly preferably arranged in pairs on the mast head of the mast.
  • the construction machine has sensors with which a position of the lifting element relative to a position of the construction machine can be determined.
  • sensors can serve on the one hand to measure the position or position of the lifting element when moving up and down the hoisting rope and thus to monitor. This can be done when a winch is in a free fall mode and the lift member is lowered in a free fall.
  • sensors can also serve to determine when lowering the lifting element, for example, in a hole in the ground, the lowering position, for example, below the terrain surface.
  • Such sensors may preferably be provided on the winches and determine the lengths of the unwound hoisting rope from both winches and in particular evaluate them in real time.
  • a particularly expedient operation result in that the construction machine has speed sensors, with which the speed of at least one of the two winches can be determined.
  • the speed sensor which can be provided on the two winches allow it also to determine the speed of the lifting element when moving up and down.
  • speed sensor or absolute encoder can serve to synchronize the winches when lifting the lifting element after lowering it in free fall.
  • At least the first cable winch can be operated both as a free fall winch and as a non-positive winch.
  • at least the first winch can be switched in addition to a non-positive operation in a free-fall mode in which a free-fall brake is released.
  • the construction machine may be any machine for constructing a building
  • a preferred embodiment of the invention may be to construct the construction machine as a diaphragm wall grab for excavating drilling material in which a hydraulic gripper is arranged on the lifting element.
  • the hydraulic gripper can be a tool which removes soil material with a removal device in a lower region of the gripper and transports it to the earth's surface.
  • a Meisel be provided as another tool.
  • the object mentioned according to the invention is achieved in that at least a first winch, which is designed as a freefall winch, is used and that the first winch for lowering the hoisting rope is switched by a controller in a free fall mode, while the second Winch is operated frictionally.
  • the controller also undertakes the monitoring of a limit switch off.
  • An advantageous embodiment of the method according to the invention is that a freefall brake, which at the at least one first winch is arranged, for free-running lowering of the hoist rope and the lifting element, which is movably arranged on the hoist rope with a rope bottle, wherein the at least one first winch is released during free-running lowering of the hoist rope of the free-fall brake.
  • monitoring sensors can monitor free-fall-critical machine status values for actuating the free-fall brake.
  • Such monitoring sensors may in particular be sensors which serve to determine speeds of machine components, or forces and / or loads which act on these machine components.
  • Machine status values provided by the monitoring sensors may be used to help a machine operator determine whether a free fall mode is feasible, that is, whether the free fall brake can be operated.
  • a further embodiment of the method is considered to be advantageous according to the invention, when the two winches are synchronized at a re-raising of the hoisting rope and the lifting element, which is arranged on the hoist rope, after the free-running lowering of the hoist rope in an initial position of the winches before lowering and that the two cable winches are operated independently of each other when lowering and / or re-lifting the hoisting rope.
  • synchronizing the cable winches can be understood that they are operated at different Aufroll Anthonyen, thereby to produce a uniform distribution of the hoisting rope on the winches or winch drums in the starting position.
  • FIG. 1 A first embodiment of a construction machine according to the invention is described below in connection with Fig. 1 explained. It shows Fig. 1 a mast 10 of a construction machine not shown. The mast 10 may be pivoted and / or pivoted on the construction machine. The two articulation areas 40, 42 serve this purpose. The pole 10 can be telescopic or non-telescopic. Fig. 1 further shows the two winches 12, 14, which can be arranged on a support unit, not shown, of the construction machine. A hoist rope 20 is attached to the two winches 12, 14, the first winch 12 and the second winch 14. For winding the hoist rope 20, the first winch 12 and the second winch 14, a first winch drum 13 and a second winch drum 15.
  • the first winch drum 13 and the second winch drum 15 have the same diameter and axial dimensions.
  • the hoist rope 20 extends from a first end, which is connected to the first winch drum 13, via a first deflection roller 18 on the mast head 11 of the mast 10 via a second deflection roller 18 by a rope bottle 22 and again via a third deflection roller 18 and a fourth deflection roller 18 of the mast head 11 to the second winch drum 15, with which a second end of the hoisting rope is connected.
  • the first and fourth guide rollers 18 are on the same side of the mast as the two winches 12, 14 and the second and third guide roller 18 on the same side of the mast 10 as the rope bottle 22.
  • a lifting element 30 is disposed on a lower side.
  • the tool can be arranged rigidly or movably on the rope bottle 22.
  • the first winch 12 may be formed as a free-fall with a free-fall brake, not shown.
  • Fig. 2 shows a perspective view of a hinge unit 24 with a lifting element 30.
  • the only difference of this second embodiment over the first in Fig. 1 embodiment shown is that in place of a rope bottle 22 as in the first embodiment, a hinge unit 24 is provided.
  • the hinge unit 24 is pivotally movable and thus movable to the indicated hoist rope 20.
  • the hoist rope 20 is in this case firmly connected to the hinge unit 24 in this embodiment, and it may be interrupted between the connection points.
  • the lifting element 30 serves, as in the first embodiment, the attachment of a tool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Jib Cranes (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
EP16178836.9A 2015-09-09 2016-07-11 Engin et procede de levage et d'abaissement d'un element de levage Active EP3144260B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015115146.4A DE102015115146A1 (de) 2015-09-09 2015-09-09 Baumaschine und Verfahren zum Auf- und Abbewegen eines Hubelementes

Publications (2)

Publication Number Publication Date
EP3144260A1 true EP3144260A1 (fr) 2017-03-22
EP3144260B1 EP3144260B1 (fr) 2018-01-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16178836.9A Active EP3144260B1 (fr) 2015-09-09 2016-07-11 Engin et procede de levage et d'abaissement d'un element de levage

Country Status (6)

Country Link
US (1) US10023444B2 (fr)
EP (1) EP3144260B1 (fr)
KR (1) KR101880915B1 (fr)
CN (1) CN106517003B (fr)
BR (1) BR102016020578B1 (fr)
DE (1) DE102015115146A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3708528A1 (fr) 2019-03-12 2020-09-16 BAUER Maschinen GmbH Machine de travail et procédé de fonctionnement de la machine de travail
EP3725951A1 (fr) 2019-04-18 2020-10-21 BAUER Maschinen GmbH Dispositif de benne et procédé de fabrication d'une fouille de fondation
EP4144919A3 (fr) * 2020-11-11 2023-04-26 BAUER Maschinen GmbH Procédé et engin de construction pour le compactage du sol

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IL307694A (en) 2021-04-12 2023-12-01 Structural Services Inc Systems and methods to assist the crane operator
EP4337590A1 (fr) * 2021-05-06 2024-03-20 Dmitrijs Volohovs Treuil

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WO2006013053A1 (fr) * 2004-08-02 2006-02-09 Terex-Demag Gmbh & Co. Kg Mecanisme de commande de cable de levage comprenant un bloc a tenon inferieur unique et deux treuils

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US4398698A (en) * 1981-05-29 1983-08-16 Fmc Corporation Freefall winch system and method of operation
DE69920846T2 (de) * 1998-10-29 2005-11-17 Kobelco Cranes Co., Ltd. Kran
WO2006013053A1 (fr) * 2004-08-02 2006-02-09 Terex-Demag Gmbh & Co. Kg Mecanisme de commande de cable de levage comprenant un bloc a tenon inferieur unique et deux treuils

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3708528A1 (fr) 2019-03-12 2020-09-16 BAUER Maschinen GmbH Machine de travail et procédé de fonctionnement de la machine de travail
CN111689406A (zh) * 2019-03-12 2020-09-22 包尔机械有限公司 作业机械和用于操作作业机械的方法
US11235958B2 (en) 2019-03-12 2022-02-01 Bauer Maschinen Gmbh Work machine and method for operating the work machine
EP3725951A1 (fr) 2019-04-18 2020-10-21 BAUER Maschinen GmbH Dispositif de benne et procédé de fabrication d'une fouille de fondation
EP4144919A3 (fr) * 2020-11-11 2023-04-26 BAUER Maschinen GmbH Procédé et engin de construction pour le compactage du sol
EP4249685A3 (fr) * 2020-11-11 2023-10-18 BAUER Maschinen GmbH Procédé et engin de construction pour le compactage du sol

Also Published As

Publication number Publication date
DE102015115146A1 (de) 2017-03-09
BR102016020578B1 (pt) 2022-02-22
BR102016020578A2 (pt) 2017-03-14
KR101880915B1 (ko) 2018-07-23
CN106517003A (zh) 2017-03-22
EP3144260B1 (fr) 2018-01-24
US20170066633A1 (en) 2017-03-09
KR20170030435A (ko) 2017-03-17
US10023444B2 (en) 2018-07-17
CN106517003B (zh) 2020-02-18

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