EP1065166B2 - Teleskopkran - Google Patents

Teleskopkran Download PDF

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Publication number
EP1065166B2
EP1065166B2 EP00250210A EP00250210A EP1065166B2 EP 1065166 B2 EP1065166 B2 EP 1065166B2 EP 00250210 A EP00250210 A EP 00250210A EP 00250210 A EP00250210 A EP 00250210A EP 1065166 B2 EP1065166 B2 EP 1065166B2
Authority
EP
European Patent Office
Prior art keywords
boom
guy
telescopic crane
support
boom structure
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.)
Expired - Lifetime
Application number
EP00250210A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1065166A2 (de
EP1065166B1 (de
EP1065166A3 (de
Inventor
Michael Dipl.-Ing. Irsch
Walter Dipl.-Ing. Stowasser
Frank Dipl.-Ing. Conrad
Oliver Dr.-Ing. Fries
Jens Dipl.-Ing. Fery
Roland Dipl.-Ing. Kuhn
Walter Zimmer
Markus Marx
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.)
Terex Demag GmbH and Co KG
Original Assignee
Terex Demag 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26005614&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1065166(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE10022658A external-priority patent/DE10022658B4/de
Priority to DE20018742U priority Critical patent/DE20018742U1/de
Application filed by Terex Demag GmbH filed Critical Terex Demag GmbH
Priority to EP03014531A priority patent/EP1354842B1/de
Priority to DE20023223U priority patent/DE20023223U1/de
Publication of EP1065166A2 publication Critical patent/EP1065166A2/de
Publication of EP1065166A3 publication Critical patent/EP1065166A3/de
Publication of EP1065166B1 publication Critical patent/EP1065166B1/de
Application granted granted Critical
Publication of EP1065166B2 publication Critical patent/EP1065166B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
    • B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable

Definitions

  • the invention relates to a telescopic crane, which consists of an undercarriage, a superstructure rotatably mounted thereon, a counterweight and a boom, which in turn has a main boom with a base box and at least one retractable and telescoping telescopic section.
  • Telescopic cranes of the aforementioned type are known. That's how it shows DE 29 17 829 A1 a mobile crane with telescopic boom, which is pivotally articulated to a rotatable superstructure.
  • the buoyancy of the crane is to be increased by a arranged on the superstructure of the vehicle crane receiving and lifting device is provided for an additional counterweight.
  • the receiving and lifting device may have a back projecting support, which is suitably directed obliquely backwards and upwards and lowered for receiving the additional counterweight. It is pointed out that it would be of particular advantage if the support is connected to the telescopic boom above its articulation on the superstructure, as this causes a bending and buckling relief of the telescopic boom. To connect the support and the telescopic boom in particular a tensioning cable is proposed.
  • a similar mobile crane with telescopic boom is in the DE 31 39 853 A1 described.
  • a counterweight is provided, which can be brought to a corresponding projection by means of a mounted on the superstructure of the vehicle, backward, changeable in its inclination mast.
  • the projection of the counterweight is controllable in response to the change in the center of gravity of the device due to the pivoting of the boom.
  • the DE 38 38 975 C2 also shows a telescopic crane with a swing-out mast for a fixed to a hanger counterweight.
  • the mast can be erected by a mast cylinder supported on the uppercarriage.
  • the mast itself has a telescopic extension, at the top of a pivot point for a variable-length suspension device and a variable-length guying device for the variable-length boom is present.
  • Telescopic cranes of the type described above are exposed in the extended state depending on the angle of attack different sized loads.
  • the loads occurring in the clamping of the extended telescopic sections are an essential criterion for the maximum load.
  • a so-called Superlift beach has been developed as a torque relief.
  • the DE 31 13 763 A1 a basic embodiment of a telescopic crane, which allows a Superlift plante revealed.
  • the DE 31 13 763 A1 In the field of articulation of a rocker cylinder for the main boom is in accordance with the DE 31 13 763 A1 arranged on the base box a transversely extending to the boom upwards jib.
  • this guy trestle is connected by ropes or rope strands to the end of one of the telescopic sections and the foot of the main boom.
  • the guy block consists of mutually spaced from the base box, upwardly extending struts, which are rigidly interconnected. Furthermore, it is stated that the guy clamp can be folded into a transport position on the base box.
  • the connection between jib and boom foot is also proposed as unchangeable in length.
  • a winch assembly is provided to vary the length of the cable provided between the jib and the telescopic boom.
  • a control device for the winches for applying a predetermined tensile force on the guy trestle and the associated bracing can be provided.
  • rocker plane is the plane in which the boom moves when it is pivoted about its horizontal pivot axis.
  • the rocker plane is therefore perpendicular to the rocker axis of the boom.
  • a realized telescopic crane with a "superlift” is, for example, from the company brochure: Mannesmann Demag printechnik; Demag AC 1600; 04/96, pages 5, 17 and 27 or even out DE 38 40 408 C2 known.
  • a deductible on the base box Abspannbock is arranged.
  • This guy trestle is connected to the head region or collar of one of the inner telescopic sections with a nearly length-independent bracing with the foot region of the main boom on the one hand and with a further bracing, which is usually variable in length.
  • This stiffening arrangement is applicable to the basic unit alone, but also in connection with the arrangement of a rigid or rocking jib formed of lattice mast parts.
  • a Superlift surge surge similar configuration is in the DE 297 20 972 U1 described.
  • the telescopic boom shown here comprises a cable which engages the lower end of the boom and is guided in the manner of a guy bracket via a device which is assigned to the arm base body and whose angular position can be adjusted.
  • the return rope used as a guy rope which serves to catch up the various telescopic shots of such a telescopic boom, exercise a stabilizing effect on the boom and in particular prevent unacceptable deflection of the telescopic boom.
  • the guying device which takes over the function of a guy truss comprises a linkage, which can be swiveled about an articulation point on the telescopic boom or its base box.
  • This crane boom in shell construction is known.
  • This crane boom consists of a single torsionally rigid support body with preferably circular cross-section.
  • the support body is over and / or under tensioned.
  • an all-round overvoltage is provided, which is done with spars.
  • one or more stem carriers are provided on the crane boom, at the radially outer ends of the spars are mounted and extending along the crane jib. This Stemong and the spars form a spatially fixed tension on the crane boom.
  • this crane boom is intended for tower cranes.
  • a boom with horizontal Seilabhis is from the DE 37 34 919 A1 known.
  • the pivotable boom shown here has a plurality of parallel to the pivot axis extending trusses, which are guyed over cables.
  • the trusses are ultimately the boom extension shown is nothing more than a strained carrier with solid trusses.
  • this type of boom is provided for, for example, crawler mobile support frame.
  • An outrigger of a crane for container operation is out of the DE 1 531 155 known.
  • a luffing jib of a double-linkage luffing crane in which there are two beak-like spreadable arms forming the outer part of the boom which carry two head rollers or head roller groups.
  • the arms are lockable in such a spreading position, in which the distance that the centers of the two rollers or groups of rollers from each other, is approximately equal to the distance between the centers of the container cross-wearing Hubseilge horr.
  • the two arms are stiffened against each other in the coupled state and are positively and shear-resistant connected.
  • the spreadable arms themselves are again, as already explained before, braced against bending over a guy clamp.
  • the technical problem underlying the invention is to provide a telescopic crane, which can accommodate even in steep positions of the boom an increased load with less lateral deformation.
  • a telescopic crane with undercarriage, rotatably mounted thereon superstructure, counterweight and a boom having a main boom with a base box and at least one retractable and telescoping telescopic section, at least one arranged on the boom guy support is present with is connected to a running substantially in the longitudinal direction of the boom clamping means and their inclination is tiltable to the rocker plane.
  • the inclination of the guy support in a plane transversely and / or longitudinally to the longitudinal direction of the boom is variable.
  • the The bracing support can be tilted relative to the rocker plane in planes that are perpendicular to it.
  • the change in the inclination of the rocker plane can be adjustable stepwise or continuously by pivoting the at least one guy support.
  • a simple embodiment provides that only a plurality of different stages of inclinations to the rocker plane are ingestible.
  • Another embodiment may provide that the inclination in the range of greater than 0 ° to 90 ° relative to the rocker plane is adjustable, which allows a more accurate adaptation to the respective up position of the boom and the loads to be considered.
  • At least one inclined relative to the seesaw leveling support is arranged, which is connected to a running substantially in the longitudinal direction of the boom clamping means, wherein the inclination of the guy support is chosen so that the lateral load acting on the boom partially or completely by the bracing is recorded.
  • the inclination of the guy support can be transverse to the longitudinal direction or in the longitudinal direction or superimposed transversely to and in the longitudinal direction of the boom.
  • two inclined guy supports are provided on the upper side of the respective boom element, wherein as a rule the angle inclination of both guy supports is the same. But it can also be different depending on the direction of the forces acting on the boom.
  • the foot ends of both guy supports can be connected at a common location to the top of the boom, but also offset from one another.
  • the foot end of at least one guy support is connected to the boom in the transition region between the upper side or the respective side wall.
  • the exemplary arrangement has the advantage that, depending on the angular position of the guy supports, the proportion of the guy force acting in the lateral direction can be changed continuously or continuously.
  • the effective clamping force is divided into a component Superlift réelle and a component lateral bracing.
  • the second extreme position ie in the horizontal position, cause the two guy supports only a gain in both lateral directions.
  • the respective free head end of the guy support is via a first clamping means optionally with the undercarriage, the uppercarriage, the foot area of the boom, the fixed or separately guided counterweight or the ground in the direction of the foot end of the boom and another clamping means with a selected location of the boom in Connected to the boom head.
  • the respective desired angular position of the guy supports can be adjusted stepwise or continuously by pivoting the guy supports. This also allows an asymmetrical angle adjustment. This means that at an attacking lateral force only on one side of the respective guy supports is inclined more in the direction of lateral bracing, while the second guy support remains in a central position.
  • the clamping means may be formed as a rope or as a rod.
  • the clamping means or the clamping means can be arranged with and without bias. In the case of a bias voltage and a re-adjustable degree of tension, the clamping means cooperates with a tensioning device. Preferably, this is a winch or a piston-cylinder unit. But also the angle adjustment and / or the change in length of the guy support can be used in the sense of a clamping device.
  • the clamping devices can be arranged optionally on the guy supports, on the boom, on the upper or undercarriage or on the counterweight.
  • the guy supports are arranged on the main boom in the region of the basic box, in particular in the front region between the articulation of the luffing cylinder and the front storage.
  • each guy support is preferably connected to a piston-cylinder unit supported on the base box.
  • the guy support two spars, between which the winch can be arranged.
  • the equipment of the telescopic boom can be supplemented with the arrangement of a rigid or rocking jib formed of lattice mast parts. Also to these boom elements, the proposed lateral bracing can be attached.
  • the lateral bracing can be used particularly effectively if the crane is provided with a measuring device for detecting the lateral deformation of the boom. If the deformation exceeds a specified permissible value, the clamping device connected to the bracing is activated and the bracing is tensioned.
  • the degree of lateral deformation can be determined directly or indirectly above crane sizes. For example, these are the rope tension, the rope length and rope elongation. But also on the forces acting on the boom in the form of the laterally occurring wind, solar radiation and the prevailing temperatures in the boom, a statement about the degree of lateral deformation can be made.
  • FIG. 1 ac are shown as a schematic diagram of the possible arrangement of a tilted relative to the rocker guy support.
  • the guy support 2 is preferably arranged on the upper side 3 of a jib element 1 shown symbolically here.
  • This boom element 1 may be a base box or a shot of a main boom of a telescopic crane or the lattice mast element of a rigid or rockable jib.
  • the drawn in the boom element 1 center axis 4 is in the ideal case, the rocker plane of the boom.
  • the guy support 2 is inclined relative to the rocker plane at an angle ⁇ > 0.
  • the dashed representation of the guy support 2 ' is intended to illustrate that the guy support 2 is also tilted towards the other side.
  • the free end 5 of the Abspannstüzte 2 is connected to a tensioning means 6,7 preferably a side. Not shown here is the connection of the clamping means 6,7 with a boom arranged on the fixed point or a clamping device such as piston-cylinder unit or winch. A tensioning of the tensioning means 6, 7 can also be achieved without a tensioning device. On the one hand in such a way that the clamping means are arranged at a smaller or larger angle ⁇ .7 6 and then the guy support 2 is further inclined. Alternatively, it is also possible to form the guy support 2 telescopically and to achieve a degree of tension by changing the length.
  • FIG. 2 is also a schematic diagram showing the arrangement of two guy supports 2.1, 2.2.
  • the peculiarity of this arrangement is that both guy supports 2.1,2.2 are arranged with only a single foot 8 on the upper side 3 of the boom element 1.
  • the respective inclination angle ⁇ 1, ⁇ 2 may be the same or different.
  • FIG. 3 In partial pictures ad of FIG. 3 are also shown as a schematic diagram of the possibility of the arrangement of two guy supports 2.1,2.2, which have a separate foot 8.1.8.2.
  • the foot ends 8.1,8.2 are in the region of the upper side 3 of the jib element 1, while in the partial image b, the foot ends 8.1,8.2 are in the transition region from the upper side 3 to the respective side wall 9,9 '.
  • part c the possibility is shown to arrange at least one foot 8.1 outside the boom element 1.
  • a piston-cylinder unit 28.1,28.2 is ever provided, which is arranged at one end to the side wall 25 and the other end in the half range of the respective guy support 18.1.
  • the tensioning means one rope 29.1 each is attached to one end of a rope thimble 31.1 on the head region of the guy support 18.1. From there it runs to the deflection point arranged in the direction of the boom head (also not shown here) and runs back over a deflection roller 30.1 arranged in the head area of the guy support 18.1 and from there to the winch 27.1.
  • a guy clip 32.1 is arranged, which represents the rear-side securing for the respective guy support 18.1.
EP00250210A 1999-06-28 2000-06-26 Teleskopkran Expired - Lifetime EP1065166B2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE20023223U DE20023223U1 (de) 1999-06-28 2000-06-26 Teleskopkran
DE20018742U DE20018742U1 (de) 1999-06-28 2000-06-26 Teleskopkran
EP03014531A EP1354842B1 (de) 1999-06-28 2000-06-26 Teleskopkran

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19930537 1999-06-28
DE19930537 1999-06-28
DE10022658 2000-04-28
DE10022658A DE10022658B4 (de) 1999-06-28 2000-04-28 Teleskopkran

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03014531A Division EP1354842B1 (de) 1999-06-28 2000-06-26 Teleskopkran

Publications (4)

Publication Number Publication Date
EP1065166A2 EP1065166A2 (de) 2001-01-03
EP1065166A3 EP1065166A3 (de) 2002-05-08
EP1065166B1 EP1065166B1 (de) 2003-08-13
EP1065166B2 true EP1065166B2 (de) 2009-02-18

Family

ID=26005614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00250210A Expired - Lifetime EP1065166B2 (de) 1999-06-28 2000-06-26 Teleskopkran

Country Status (5)

Country Link
EP (1) EP1065166B2 (ja)
JP (1) JP5013630B2 (ja)
AT (2) ATE247071T1 (ja)
DE (2) DE20022790U1 (ja)
ES (2) ES2235131T3 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020215260A1 (de) 2020-12-03 2022-06-09 Tadano Faun Gmbh Verfahren zum Betrieb eines Krans und Kran

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20020974U1 (de) * 2000-12-12 2002-04-25 Liebherr Werk Ehingen Fahrzeugkran
DE10128986A1 (de) * 2001-06-11 2002-12-19 Demag Mobile Cranes Gmbh Fahrzeugkran mit teleskopierbarem Hauptausleger
DE20218971U1 (de) * 2002-12-06 2004-04-08 Liebherr-Werk Ehingen Gmbh Mobilkran mit langen Auslegern
DE10315989B4 (de) * 2003-04-08 2007-10-25 Grove U.S. Llc Spannsystem für einen Mobil-Teleskopkran
JP2005162392A (ja) * 2003-12-02 2005-06-23 Tadano Ltd 移動式クレーン
EP1735233B1 (en) 2004-03-26 2010-09-01 Terex Demag GmbH Mobile crane system comprising a mobile crane and an auxiliary device for assembly of a bracing device
JP2006206233A (ja) * 2005-01-27 2006-08-10 Tadano Ltd 移動式クレーンの伸縮ブームの横撓み抑制装置
JP2006306546A (ja) * 2005-04-27 2006-11-09 Tadano Ltd ジブ付きクレーン装置
DE202005016743U1 (de) * 2005-10-25 2007-03-29 Liebherr-Werk Ehingen Gmbh Kran
AT10273U1 (de) * 2007-05-03 2008-12-15 Palfinger Ag Verstellmechanismus für eine seilwinde
DE202008006167U1 (de) 2008-05-06 2008-07-17 Terex-Demag Gmbh Seitlich abgespannter Gittermast
JP5271122B2 (ja) * 2009-03-11 2013-08-21 株式会社タダノ ジブ付きブーム作業車におけるブーム及びジブの横撓み抑制装置
NL1037444C2 (nl) * 2009-11-04 2011-05-11 Bastiaan Jong Kraan.
JP5629160B2 (ja) * 2010-08-18 2014-11-19 株式会社タダノ 移動式クレーン
JP5635331B2 (ja) * 2010-08-18 2014-12-03 株式会社タダノ 移動式クレーン
JP5649870B2 (ja) * 2010-08-20 2015-01-07 株式会社タダノ 移動式クレーン

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1751383U (de) † 1957-06-04 1957-08-29 Horst Vesper Kranausleger in schalenbauweise.
DE3030820C2 (ja) † 1979-08-17 1987-01-29 Coles Cranes Ltd., Sunderland, Tyne And Wear, Gb
DE3840408C2 (ja) † 1988-03-23 1990-11-29 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen, De
DE19606109A1 (de) † 1995-12-12 1997-06-19 Liebherr Werk Ehingen Fahrzeugkran
DE29720972U1 (de) † 1997-11-26 1999-03-25 Ec Eng & Consult Spezialmasch Teleskopierbarer Ausleger
DE19802187A1 (de) † 1998-01-16 1999-07-22 Mannesmann Ag Vorrichtung zum Abspannen einer Superlift-Einrichtung eines Teleskopkranes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4737785Y1 (ja) * 1969-02-28 1972-11-15
DE3113763A1 (de) * 1981-04-04 1982-10-28 Mannesmann AG, 4000 Düsseldorf "fahrzeugkran mit teleskopausleger"
JPS59164284A (ja) * 1983-03-07 1984-09-17 Nissan Motor Co Ltd 帆船のリグ構造
JPH0450304Y2 (ja) * 1987-09-02 1992-11-26
DE9311778U1 (de) † 1993-08-06 1994-12-08 Liebherr Werk Ehingen Mobilkran
DE4337415C2 (de) * 1993-10-27 1996-09-26 Mannesmann Ag Kran, insbesondere mobiler Großkran

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1751383U (de) † 1957-06-04 1957-08-29 Horst Vesper Kranausleger in schalenbauweise.
DE3030820C2 (ja) † 1979-08-17 1987-01-29 Coles Cranes Ltd., Sunderland, Tyne And Wear, Gb
DE3840408C2 (ja) † 1988-03-23 1990-11-29 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen, De
DE19606109A1 (de) † 1995-12-12 1997-06-19 Liebherr Werk Ehingen Fahrzeugkran
DE29720972U1 (de) † 1997-11-26 1999-03-25 Ec Eng & Consult Spezialmasch Teleskopierbarer Ausleger
DE19802187A1 (de) † 1998-01-16 1999-07-22 Mannesmann Ag Vorrichtung zum Abspannen einer Superlift-Einrichtung eines Teleskopkranes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020215260A1 (de) 2020-12-03 2022-06-09 Tadano Faun Gmbh Verfahren zum Betrieb eines Krans und Kran
DE102020215260B4 (de) 2020-12-03 2022-06-23 Tadano Faun Gmbh Verfahren zum Betrieb eines Krans und Kran
US11708249B2 (en) 2020-12-03 2023-07-25 Tadano Faun Gmbh Method for operating a crane, and crane

Also Published As

Publication number Publication date
JP2001058791A (ja) 2001-03-06
ES2204452T3 (es) 2004-05-01
DE20023565U1 (de) 2004-11-25
ATE247071T1 (de) 2003-08-15
JP5013630B2 (ja) 2012-08-29
ES2235131T3 (es) 2005-07-01
DE20022790U1 (de) 2002-07-04
EP1065166A2 (de) 2001-01-03
EP1065166B1 (de) 2003-08-13
ATE285980T1 (de) 2005-01-15
EP1065166A3 (de) 2002-05-08

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