EP1135322A1 - Grue, notamment grue automotrice - Google Patents

Grue, notamment grue automotrice

Info

Publication number
EP1135322A1
EP1135322A1 EP99963282A EP99963282A EP1135322A1 EP 1135322 A1 EP1135322 A1 EP 1135322A1 EP 99963282 A EP99963282 A EP 99963282A EP 99963282 A EP99963282 A EP 99963282A EP 1135322 A1 EP1135322 A1 EP 1135322A1
Authority
EP
European Patent Office
Prior art keywords
counterweight
frame part
superstructure
crane according
crane
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
EP99963282A
Other languages
German (de)
English (en)
Other versions
EP1135322B1 (fr
Inventor
Manfred Kretschmer
Alfons Weckbecker
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.)
Demag Mobile Cranes GmbH and Co KG
Original Assignee
Atecs Mannesmann 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 Atecs Mannesmann GmbH filed Critical Atecs Mannesmann GmbH
Publication of EP1135322A1 publication Critical patent/EP1135322A1/fr
Application granted granted Critical
Publication of EP1135322B1 publication Critical patent/EP1135322B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib

Definitions

  • the invention relates to a crane, in particular a mobile crane with a substructure and a superstructure rotatably arranged thereon according to the preamble of patent claim 1
  • Cranes with a mast and a superlift counterweight are designed for high load moments.
  • the required counterweight moment is generated by the superlift counterweight, which is at a certain distance from the
  • a proposal for a mobile crane is shown in DE 28 14 540 C2.
  • a mobile crane with a rotatable superstructure with a load boom and a counter jib is carried, which carries a superlift counterweight, which is supported on the ground with every load of the crane so that the Upper structure can rotate
  • An air cushion is used for ground support, the filling of which can be changed in accordance with the force determined on the counter jib.
  • This arrangement additionally requires a compressor including the associated lines, which does not make handling easier.
  • the distance between the Superlift counterweight and the crane cannot be changed
  • the superlift counterweight is designed in the form of a steerable trolley which is rigidly connected to the superstructure of the mobile crane via articulated connections.
  • the counterweight trolley When a load is lifted, the counterweight trolley is lifted and can be put together can be swiveled with the crane Wagens is complex and, depending on the terrain, it is difficult to set up.
  • the distance between the counterweight truck and the mobile crane cannot be changed.
  • the amount of lifting of the counterweight trolley cannot be influenced. If the load suddenly drops, the counterweight trolley would not only hit, depending on the lifting height, but could even tip over.
  • Remodeling is necessary.
  • the counterbalance wagon (s) must be raised by attaching a load. If two counterweight carriages are arranged, the distance between these two must also be adjusted.
  • the mast is articulated to a frame arranged in the rear end region of the uppercarriage and is held in a fixed angular position by rod elements which can be connected to the uppercarriage.
  • the top of the mast is connected to the top of the main boom via a length-adjustable bracing, as is the top of the mast with a Superlift counterweight.
  • the arrangement of an otherwise usual superstructure counterweight is dispensed with.
  • the distance between the Superlift counterweight and the crane can be continuously changed using a rope pulley arrangement.
  • the superlift counterweight is lifted using a superstructure on the superstructure
  • the lifting distance of the Superlift counterweight to the ground can be controlled by means of a spacer bar arranged on the Superlift counterweight.
  • a disadvantage of this construction is that the superlift counterweight cannot be moved beyond the mast radius.
  • Another disadvantage is that the mast must be erected from behind and one Angle adjustment of the mast is only possible via a rusting process by changing the number of rod elements that position the mast.
  • the dead weight of the substructure cannot be used to increase stability
  • a mobile crane is presented under the brand name X-Spander, which has a continuously displaceable Superlift counterweight.
  • a frame element is articulated at the rear end of the superstructure, which extends over the end the superlift counterweight can be continuously shifted on this frame element in order to be able to generate the desired counter moment.
  • a trestle is arranged on the superstructure, the tip of which is connected to the head of the main boom via a long, adjustable bracing Bockes is also connected to the end of the frame element by means of a fixed bracing.
  • a disadvantage of this construction is that the throat is very large due to the arrangement of the fixed frame part and the space required for this is not always given.
  • the length of the frame can be increased ementes can only be changed by adding or removing segments, which means setting up each May. Comparable to the known crane explained above, even with this proposed embodiment, the dead weight of the substructure cannot be used to increase stability
  • the object of the invention is a generic crane, in particular
  • the distance of the counterweight to the superstructure of the crane is arranged on the superstructure via a movable in the vertical plane and non-positively connected frame element can be continuously changed in a defined area, the frame element being provided with a means for shifting the resulting force between the counterweight force acting in the direction of gravity and the tensioning force generated by an attached load in the superstructure
  • the friction conditions in the deflection points and guyings should be disregarded t remain
  • the means arranged on the frame part is now activated in such a way that it generates an additional force in the direction of anchoring force and counter to the counterweight force by vertically lifting the frame part, so that the counterweight lifts off and the crane can therefore be rotated in spite of the low attached load
  • the means according to the invention with the maximum load attached, can ensure the stability of the crane by generating an additional force in the direction of the counterweight force and counter to the anchoring force without the counterweight touching down
  • the frame element can be moved in the vertical plane parallel to the plane of the superstructure or, alternatively, can be pivoted at an end region
  • the pivot axis preferably intersects the axis of rotation of the superstructure.
  • the frame element has an axially fixed frame part connected to the superstructure and at least one frame part axially displaceable parallel to the fixed frame part.
  • the axially displaceable frame part is preferably arranged telescopically in the fixed frame part displaceable frame part can take place, for example, via a toothed rack or a spindle.
  • the arrangement of an axially acting piston-cylinder unit, which is articulated on the fixed frame part, has proven to be advantageous
  • the means for shifting the resulting force has at least one vertically acting piston cylinder unit.
  • a piston cylinder unit is arranged on the right and left next to the fixed frame part, which is connected on the one hand to the fixed frame part and on the other hand to the superstructure
  • the fixed frame part extends beyond the articulation point of the vertically acting piston cylinder unit and this area can be bolted to a supporting structure that receives the counterweight.
  • this area of the fixed frame part has a collar-like shape Stiffening and a rolling track for the supporting structure that supports the counterweight
  • additional counterweights can be arranged on the supporting structure connected to the sliding frame part and can be locked with the supporting structure.
  • supporting feet must be arranged on the supporting structure to reach the ground.
  • these supporting feet can be folded out on the supporting structure
  • Counterweight can preferably be divided into individual stacks having a frame. Each frame can be connected to at least four wheels so that each individual stack can be moved. This arrangement has the advantage that the additional counterweight can be transported to the place of use in a simple manner the support feet on the supporting structure for the counterweight are omitted, since the wheels take over this function.
  • the counterweight including the additional counterweight can be retracted in the superlift operation, even if the attached load is not sufficient to lift off after retracting the
  • Fig. 1 is a side view of a crane designed according to the invention in
  • FIG. 3 as in FIG. 2, the border areas of the superlift area
  • FIGS. 1-3 shows a half-sided top view without the main boom and mast, ig 5b a section in the direction BB in FIG. 5a, ig 5c a section in the direction AA in FIG. 5b, ig 5d a view in the direction X in FIG. 5b and ig 6 a piston cylinder unit for displacing the resulting force ig 7 as Figure 2, but with a different type of bracing
  • the crane designed according to the invention shown in FIGS. 1-3 consists of a substructure, here in the form of a crawler chassis 1 and an upper carriage 2 rotatably mounted thereon. At the front end of the upper carriage 2, a main boom 3 is articulated by means of a joint 4 Mast 5 articulated by means of a joint 6 The tip 7 of the mast 5 is with the
  • Head 8 of the main boom 3 is connected via a long-adjustable guying 9.
  • the tip 7 of the mast 5 is connected to a counterweight 1 via a long-changeable guying 10.
  • the connection of the guying 10 to the counterweight 1 1 takes place via a fork-like support bracket 22, 22 '(FIG 5c), between which a winch 24 which changes the length of the guying 10 is arranged.
  • a fixed frame part 12 which is box-shaped here, is arranged on the superstructure 2 and is pivotally connected to the superstructure 2 by means of two pedestals 13, 13 '(FIG. 5a)
  • the pivot axis 25 intersects the axis of rotation 14 of the superstructure 2.
  • Frame part 12 telescopically arranged an axially displaceable frame part 15
  • the means displacing the resultant force between counterweight and bracing force in the superstructure 2 is arranged.
  • the means consists of two arranged to the right and left next to the fixed frame part 12
  • Piston-cylinder units 16, 16 ' (FIG. 5c)
  • the fixed frame part 12 extends beyond the articulation point of the piston-cylinder units 16, 16' and has 20 collar-like stiffeners 17, 17 'and a rolling track 18, 18' for this area.
  • the latter feature serves this purpose to be able to move the counterweight 1 1 supporting structure 19 onto the fixed frame part 12 (see FIG. 1).
  • the crane is in normal operation, the counterweight 11 pushed onto the overhanging region 20 performing the function of a Known superstructure counterweight takes over In this position there is the minimum radius R mn of the center of gravity of the counterweight 11 in relation to the axis of rotation 14 of the superstructure 2
  • R mn the minimum radius of the center of gravity of the counterweight 11 in relation to the axis of rotation 14 of the superstructure 2
  • this value is 7 meters
  • FIG. 2 shows the same crane as in FIG. 1, but in the superlift system.
  • an additional counterweight 21 is attached to the supporting structure 19.
  • the additional counterweight 21 can be divided into individual stacks be divided, with each stack being provided with a frame that accommodates the individual weights.
  • the supporting structure 19 is provided with support feet 26-26 "', the support plate of which can be extended to near ground level.
  • the limit range of the superlift betneb is shown in FIG. 3.
  • the solid lines correspond to the maximum possible superlift betneb.
  • the dashed lines correspond to the minimum possible superlift betneb. In this position there is an average radius R Mme ⁇ from the center of gravity of the total counterweight to the axis of rotation 14 of the superstructure 2 When set down
  • the total counterweight can be placed on the floor in this position and the additional counterweight 21 can be uncoupled from the supporting structure 19. If the sliding frame part 15 is retracted even further, the state as shown in FIG. 1 results from the comparison of the state according to the full solid lines in contrast to the state according to the dashed lines
  • FIG. 4 shows that the proposed principle of a continuous displacement of the counterweight 11 in conjunction with a supporting one
  • Means 16, 16 ' is also advantageous for a single crane without a mast.
  • the fork-like support bracket 22, 22' is not articulated on the supporting structure 19 for the counterweight 11, but on a bearing bracket 23 23 'arranged on the superstructure 2
  • Figure 5b shows on the one hand the possibility of bolting the structure 19 to the axially displaceable frame part 15.
  • a bracket 27 is arranged on the structure 19, which can be bolted to a bracket 28 arranged in the displaceable frame part 15.
  • this illustration shows the frame part 12 articulated to the fixed frame part 12 Piston cylinder unit 29 to remove the displaceable To be able to move frame part 15 axially
  • the dashed lines indicate the maximum possible pivoting movement of the frame part, ie fixed frame part 12 and displaceable frame part 15.
  • FIG. 6 shows the basic principle of the piston-cylinder unit 16 for shifting the resulting force between the counterweight force and the tensioning force in the superstructure 2.
  • the piston-cylinder unit 16 consists of a cylinder housing 30 and a piston 31 together with the piston rod 32. At the lower end of the cylinder housing 30, a web 33 with a bore 34 is arranged. The bore 34 is the articulation point of the piston cylinder unit 16 on the superstructure 2 (see
  • FIG. 7 shows the same crane as FIG. 2 in the superlift operation, but with a different type of bracing.
  • the tip of the mast 5 is connected to the supporting structure 19 of the counterweight 11 via a fixed bracing 40.
  • the tip of the mast 5 Connected to the superstructure 2 by means of a brace 10 which can be changed for a long time by means of a support bracket 22 on a bearing block 23, 23 'arranged on the superstructure 2.
  • the tip of the support bracket 22 is also connected to the structure 19 of the support structure 19 by means of a fixed brace 41
  • FIG. 7 also shows the arrangement of wheels 42 on the stacks of the additional

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
EP99963282A 1998-12-04 1999-11-29 Grue, notamment grue automotrice Expired - Lifetime EP1135322B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19857779 1998-12-04
DE19857779A DE19857779A1 (de) 1998-12-04 1998-12-04 Kran, insbesondere Fahrzeugkran
PCT/DE1999/003880 WO2000034173A1 (fr) 1998-12-04 1999-11-29 Grue, notamment grue automotrice

Publications (2)

Publication Number Publication Date
EP1135322A1 true EP1135322A1 (fr) 2001-09-26
EP1135322B1 EP1135322B1 (fr) 2003-07-09

Family

ID=7891118

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99963282A Expired - Lifetime EP1135322B1 (fr) 1998-12-04 1999-11-29 Grue, notamment grue automotrice

Country Status (7)

Country Link
US (1) US6568547B1 (fr)
EP (1) EP1135322B1 (fr)
JP (1) JP4454861B2 (fr)
AT (1) ATE244677T1 (fr)
AU (1) AU1964700A (fr)
DE (2) DE19857779A1 (fr)
WO (1) WO2000034173A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10336589B2 (en) 2006-10-27 2019-07-02 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US10457530B2 (en) 2009-08-06 2019-10-29 Manitowoc Cranes, Llc Lift crane with moveable counterweight
US10870810B2 (en) 2017-07-20 2020-12-22 Proteum Energy, Llc Method and system for converting associated gas
US11208303B2 (en) 2014-01-27 2021-12-28 Manitowoc Crane Companies, Llc Lift crane with improved movable counterweight

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DE19931303C2 (de) * 1999-07-07 2002-11-21 Liebherr Werk Ehingen Tragfähigkeitsoptimierung beim Ausführen von Kranbewegungen
US6830111B2 (en) * 2001-01-12 2004-12-14 Clark Equipment Company Walk behind apparatus for operating working attachments
DE10155006B4 (de) 2001-11-06 2004-12-16 Terex-Demag Gmbh & Co. Kg Fahrzeugkran mit Superlifteinrichtung
DE10315989B4 (de) * 2003-04-08 2007-10-25 Grove U.S. Llc Spannsystem für einen Mobil-Teleskopkran
US7370767B2 (en) * 2003-07-03 2008-05-13 Itrec B.V. Mobile crane
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ATE372951T1 (de) * 2003-10-02 2007-09-15 Itrec Bv Mobilkran
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US7546928B2 (en) * 2006-10-27 2009-06-16 Manitowoc Crane Companies, Inc. Mobile lift crane with variable position counterweight
JP4225344B2 (ja) * 2006-11-20 2009-02-18 コベルコクレーン株式会社 クレーン
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TW200911121A (en) * 2007-06-29 2009-03-16 Basf Se Strobilurins for increasing the resistance of plants to abiotic stress
TWI444939B (zh) * 2008-01-10 2014-07-11 Univ Nat Taiwan 工程吊車之模擬系統及其方法
MX2008004549A (es) * 2008-01-31 2009-07-30 Monitowoc Crane Companies Inc Grua de elevacion movil con contrapeso de posicion variable.
EP2189575B1 (fr) * 2008-11-19 2021-06-30 DEME Offshore BE N.V. Offshore plate-forme auto-élévatrice et procédé
JP5394774B2 (ja) * 2009-02-26 2014-01-22 日立住友重機械建機クレーン株式会社 上部旋回体およびクレーン
JP5375295B2 (ja) * 2009-04-15 2013-12-25 コベルコクレーン株式会社 クローラクレーンのカウンタウエイト構造
CN101774514B (zh) * 2010-01-26 2012-02-22 昆山三一机械有限公司 履带起重机超起配重无级变幅机构及其操作方法
CN201952140U (zh) * 2011-01-19 2011-08-31 上海三一科技有限公司 一种履带起重机可移动式后配重装置
CN102849624B (zh) * 2011-06-29 2016-12-21 利勃海尔爱茵根有限公司 操作起重机的方法和起重机
DE102012006494B4 (de) 2012-03-30 2014-03-13 Manitowoc Crane Group France Sas Fahrzeugkran mit entkoppelbarer Gegengewichtsanordnung
NO2694106T3 (fr) * 2012-09-12 2018-05-12
US9341028B2 (en) * 2013-02-15 2016-05-17 Black Hawk Energy Services Ltd. Counterweight assembly for a self-propelled derrick rig assembly
US9238945B2 (en) 2013-02-15 2016-01-19 Black Hawk Energy Services, Inc. Base beam and self-propelled derrick rig assembly
EP3099620A4 (fr) 2014-01-27 2017-10-11 Manitowoc Crane Companies, Inc. Mécanisme d'ajustement de hauteur pour un élément auxiliaire sur une grue
CN104071712A (zh) * 2014-07-10 2014-10-01 太原重工股份有限公司 一种大吨位履带起重机
WO2016049422A1 (fr) 2014-09-25 2016-03-31 Andrew Niemczyk Installation de forage mobile
DE202014007894U1 (de) 2014-09-29 2014-10-22 Liebherr-Werk Ehingen Gmbh Kran, vorzugsweise Derrickkran
JP6520562B2 (ja) * 2015-08-24 2019-05-29 コベルコ建機株式会社 移動式クレーンのウェイト浮き量調整装置及びウェイト浮き量調整方法
JP7180966B2 (ja) 2016-01-29 2022-11-30 マニタウォック クレイン カンパニーズ， エルエルシー 視覚的アウトリガー監視システム
JP6527092B2 (ja) * 2016-02-29 2019-06-05 住友重機械建機クレーン株式会社 クレーン
DE102016212517A1 (de) * 2016-07-08 2018-01-11 Terex Global Gmbh Gegengewichtsverstellvorrichtung für einen Kran, Kran sowie Verfahren zum Verstellen eines Gegengewichts an einem Kran
US11124392B2 (en) * 2016-11-22 2021-09-21 Manitowoc Crane Companies, Llc Optical detection and analysis for boom angles on a crane
DE102017100046B4 (de) 2017-01-03 2019-06-19 Manitowoc Crane Group France Sas Kran mit hubseillastabhängigem Lastmomentenausgleich
FR3067032B1 (fr) 2017-06-06 2021-10-01 Arkema France Elastomere de fluoropolymere thermoplastique
US11440778B2 (en) * 2018-08-06 2022-09-13 Tadano Ltd. Crane
CZ2018681A3 (cs) * 2018-12-06 2020-06-10 Technická univerzita v Liberci Vyvažovací systém robotického ramene manipulátoru
DE102019117178B3 (de) * 2019-06-26 2020-09-24 Liebherr-Werk Ehingen Gmbh Kran mit verstellbarem Schwebeballast
CN113511600B (zh) * 2021-07-09 2023-07-25 浙江三一装备有限公司 超起配重调节连接装置及起重机

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10336589B2 (en) 2006-10-27 2019-07-02 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US11884522B2 (en) 2006-10-27 2024-01-30 Grove U.S. L.L.C. Mobile lift crane with variable position counterweight
US10457530B2 (en) 2009-08-06 2019-10-29 Manitowoc Cranes, Llc Lift crane with moveable counterweight
US11261064B2 (en) 2009-08-06 2022-03-01 Manitowoc Cranes, Llc Lift crane with moveable counterweight
US11208303B2 (en) 2014-01-27 2021-12-28 Manitowoc Crane Companies, Llc Lift crane with improved movable counterweight
US10870810B2 (en) 2017-07-20 2020-12-22 Proteum Energy, Llc Method and system for converting associated gas

Also Published As

Publication number Publication date
JP2002531357A (ja) 2002-09-24
JP4454861B2 (ja) 2010-04-21
DE19857779A1 (de) 2000-06-15
EP1135322B1 (fr) 2003-07-09
DE59906276D1 (de) 2003-08-14
ATE244677T1 (de) 2003-07-15
WO2000034173A1 (fr) 2000-06-15
AU1964700A (en) 2000-06-26
US6568547B1 (en) 2003-05-27

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