EP3793930A1 - Stabilisateur pour la corde de haubanage arrière d'une grue télescopique - Google Patents

Stabilisateur pour la corde de haubanage arrière d'une grue télescopique

Info

Publication number
EP3793930A1
EP3793930A1 EP19736696.6A EP19736696A EP3793930A1 EP 3793930 A1 EP3793930 A1 EP 3793930A1 EP 19736696 A EP19736696 A EP 19736696A EP 3793930 A1 EP3793930 A1 EP 3793930A1
Authority
EP
European Patent Office
Prior art keywords
boom
guy
main boom
telescopic
guy support
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
EP19736696.6A
Other languages
German (de)
English (en)
Other versions
EP3793930B1 (fr
Inventor
Christian Moritz Urban
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.)
Tadano Demag GmbH
Original Assignee
Tadano 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
Application filed by Tadano Demag GmbH filed Critical Tadano Demag GmbH
Publication of EP3793930A1 publication Critical patent/EP3793930A1/fr
Application granted granted Critical
Publication of EP3793930B1 publication Critical patent/EP3793930B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B66C23/82—Luffing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
    • 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
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom
    • 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
    • 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
    • B66C23/823—Bracing equipment acting in vertical direction
    • 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
    • B66C2700/0321—Travelling cranes
    • B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks
    • B66C2700/0364—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks with a slewing arm
    • B66C2700/0371—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks with a slewing arm on a turntable

Definitions

  • the invention relates to a mobile crane, in particular a mobile crane or crawler crane, with a telescopic main boom and a self-erecting guy support which is articulated on a telescopic section and which guides the luffing rope of a luffing main boom extension.
  • Telescopic boom of a crane which consists in the usual way of a basic box and a plurality of telescopic sections telescopic from it. At least one of the telescopic sections has a guy stand with two guy supports that can be spread out in a V-shape.
  • tie rods are arranged between a free end of the guy supports and a head area of an adjacent telescopic shot. About extending this
  • the guy supports are raised into the guy position via the tie rods.
  • the tie rods are designed as manually adjustable telescopic tubes.
  • guy ropes are guided in the usual way for guying the telescopic boom over the free ends of the guy supports, which are attached to at least one foot of the base box and to a head of the innermost telescopic section.
  • the guy rope can be fixed in the area of the free end of the guy support as required.
  • a vehicle telescopic crane is included a telescopic main boom known.
  • a short lattice boom adapter is arranged on a head of the main boom, on which a main boom extension is mounted so that it can be rocked.
  • a luffing trestle is also mounted on the lattice tower adapter, which is connected to a penultimate inner box of the main boom via a pull rope
  • a pulley is attached to the trestle, which serves as a luffing mechanism for the main boom extension and at the other end is connected to a head of the main boom extension. That from the pulley
  • outward luffing rope is led down to a luffing winch on an uppercarriage of the vehicle telescopic crane.
  • German published patent application DE 1 922 950 A already shows a jib crane with a main boom and a main boom extension that can be rocked about a luffing axis. There are two in the area of the luffing axis
  • the luffing supports are firmly clamped to the main boom foot or the main boom extension head via a so-called neck rope.
  • a luffing rope running out of the block and tackle and necessary for luffing the main boom extension is not described.
  • German laid-open specification DE 2 258 807 A already shows a mobile crane with a telescopic main boom, on which a hinged guy support is arranged for additional bracing of the main boom.
  • the hinged guy support can be set up by extending an last inner box of the main boom.
  • German published patent application DE 10 2016 1 14 837 A1 there is one on each head of a basic box and inner box
  • German patent application DE 100 22 600 A1 already shows another mobile crane with a
  • telescopic main boom with a pair of guy supports for additional bracing of the main boom.
  • the length of the guy supports can be changed to tension the guy.
  • the invention has for its object to provide a mobile crane with improved load capacity. This object is achieved by a mobile crane with the features of claim 1.
  • advantageous embodiments of the invention are given.
  • a mobile crane in particular a mobile crane, with a main boom and a main boom extension mounted thereon, which can be luffed via at least one luffing rope, the luffing rope starting from a winch on the mobile crane being guided over the guy support and at least one luffing jack in the area of a main boom head and fastened there or further until the
  • Guy support is arranged in the central area of the main boom, which leads to the luffing rope for bracing the main boom.
  • the luffing rope is supported on the guy support at least during operation of the mobile crane and is deflected or deflected accordingly by the guy support.
  • the normal force in the guy support is introduced into the main boom, which stabilizes a main boom bent under load in the sense of reducing the deflection.
  • the load capacity of the mobile crane can be increased by the individual
  • This guy support advantageously interacts with the already existing and pre-tensioned luffing rope and thus avoids the installation of an additional guy line, which would otherwise have to be assembled and pre-tensioned in a time-consuming manner.
  • the guy support is arranged in the central area of the main boom, i. H. outside the head and foot of the main boom.
  • the middle range according to the invention can be specified as follows.
  • a mobile crane with a main boom which is designed as a telescopic boom with a boom base box and several telescopic sections, it is advantageously provided that the at least one guy support on the main boom between the boom base box and the innermost one
  • Telescopic shot i.e. between the base and head box, is arranged. It is particularly advantageous here that the at least one guy support on the main boom in the region of the middle three, preferably two, particularly preferably a central telescopic section is arranged.
  • the main boom is designed as a telescopic boom with a boom basic box and several telescopic sections
  • the at least one guy support is arranged on the main boom between a linkage of the luffing cylinder on the jib basic box and the innermost telescopic section.
  • a deflection roller is mounted on a free end of the guy support, over which the luffing rope is guided. This means that the supporting forces can easily be introduced from the luffing rope into the main boom and the telescopic sections can still be telescoped.
  • guy rods are used to extend the luffing rope to further luffing supports and to the main boom extension in order to ultimately achieve a connection with the main boom extension to be luffed.
  • guy rods instead of a continuous luffing rope from the winch to the main boom extension, at least parts of it can be replaced from the first luffing support in the direction of the main boom extension by guy rods, bands, chains or other flexible components with high tensile strength.
  • the guy support is arranged on the main boom so as to be pivotable about a horizontal axis and that the guy support can be erected from a rest position into an operating position.
  • the at least one guy support is advantageously arranged on a head of a telescopic section of the telescopic boom.
  • the guy support closes an angle to the main boom in the range from 75 to 85 degrees, preferably 80 degrees , on.
  • An angle of 90 degrees is preferred for erecting the support with a hydraulic cylinder.
  • the guy support closes in the Operating position an angle to the main boom in the range of 75 to 90 degrees.
  • Telescopic boom is formed and the guy support can be erected by extending the telescopic boom from the rest position to the operating position.
  • a telescopic boom for comparable loads can be extended further under the existing guying according to the invention, and correspondingly higher lifting heights are achieved.
  • the guy support has a
  • Upright rope is erectable, which engages at the end of the guy support via a bracket on the guy support and is connected to a head of a telescopic section above the guy support.
  • a safety rope limits a maximum erection of the guy support and that the safety rope acts on the end of the guy support and is connected to a head of a telescopic section below the guy support. This prevents the guy support from folding upwards.
  • guy supports are arranged on different heads of telescopic sections of the telescopic boom.
  • a guy support that is variably adjustable in length.
  • the deflection point or guide point between the guy support and the luffing rope can be moved as far as possible from the main boom in the orthogonal direction.
  • Figure 1 is a schematic side view of a mobile crane with main boom and a luffing main boom extension
  • FIG. 2a shows a partial view of the mobile crane according to FIG. 1 from the area of the main boom with a guy support in the rest position
  • Figure 2b is a partial view according to Figure 2a with a guy support in
  • Figure 2c is a partial view of Figure 2a with a guy support in the operating position.
  • FIG. 1 is a schematic side view of a mobile crane 1, in particular a mobile crane, with an undercarriage 2 and an uppercarriage 3.
  • the undercarriage 2 has a driver's cab 4 and six axles 5, each with two wheels 6 suitable for road use and rubber tires.
  • the undercarriage 2 can of course have more or fewer than six vehicle axles 5 or alternatively a crawler track.
  • the superstructure 3 is mounted on the undercarriage 2 so as to be pivotable about a vertically oriented axis of rotation D.
  • the superstructure 3 and undercarriage 2 can alternatively also be rigidly mounted on one another.
  • a main boom 7 is arranged on the superstructure 3, which can be pivoted about the horizontal axis D.
  • Telescopic boom is designed, arranged.
  • the main boom 7 comprises a boom base box 7a and a plurality of telescopic sections 7b to 7f which are arranged in one another and can be telescoped.
  • the boom base box 7a is erectably mounted on the superstructure 3 by a luffing cylinder 8, whereby the main boom 7 can be stored in the boom base box 7a on the undercarriage 2 for a road trip after the telescopic sections 7b to 7f have been completely retracted.
  • a luffing main boom extension 8 designed as a lattice boom support, is pivotably attached, which is relative to the
  • Main boom 7 can be erected about a horizontal luffing axis W.
  • the luffing axis W is oriented in the usual way orthogonally to the longitudinal axis of the main boom 7. In the usual way is for the rocking process
  • Main boom extension 8 at least one luffing rope 9 is provided, which, starting from a winch, not shown, which is arranged in the rear area of the superstructure 3, extends to a first luffing support 10a and is fastened there.
  • the function of the seesaw rope 9 is taken over by guy rods 16, which in a corresponding manner between the first seesaw support 10a and a second seesaw support 10b and between the second seesaw support 10b and in about the middle of the main boom extension 8 are attached.
  • the first luffing support 10a and the second luffing support 10b are in the usual manner in the area of
  • Main boom head 7g articulated about horizontal axes and extending rearward with respect to the main boom 7 and V-shaped to each other.
  • This at least one luffing rope 9 is additionally tensioned in the area of the main boom 7 via a further guy support 11 according to the invention.
  • the guy support 11 can be pivoted about a horizontal axis A in the middle of the main boom 7 and is thus arranged in an articulated manner.
  • Main boom 7 and the main boom head 7g are arranged. From a static point of view, in the sense of relieving the load on the main boom 7, there will certainly be a middle area at the end. In addition to the individual guy support 11 shown, two or more guy supports 11 can also be arranged at a distance along the rear of the main boom 7.
  • auxiliary guy support 12a is attached to the head or upper end of the boom base box 7a, which also extends from the boom base box 7a approximately at right angles to the rear.
  • This secondary guy support 12a is part of a main boom guy, which includes a secondary guy rope 12b.
  • the guy rope 12b is from one foot of the
  • the secondary guy support 12a can also be designed as a pair of guy supports arranged next to and to one another in a V-shape in a horizontal plane. This additional secondary guying 12a, 12b also serves to stiffen the main boom 7.
  • FIGS. 2a to 2c each show a partial view of the main boom 7 of the
  • FIG. 1 shows the second guy support 15 in a rest position or transport position that is not erected on the main boom 8, folded, almost in contact with the main boom 7.
  • the telescopic sections 7b, 7c, 7e and 7f are fully or far extended and the third telescopic section 7d is only partially (about 10%).
  • the third telescopic section 7d is only telescoped so far that an erection rope 14 tensions, the guy support 11 from the
  • Rope 14 is at one end at an upper end of the third
  • Telescopic shot 7d attached and at the other end to the guy support 1 1 in the region of its free end 1 1 a on a console 1 1 b, in particular one
  • the bracket 1 1 b is arranged at right angles on the guy support 1 1 and protrudes to the rear, at the free end of which the guy rope 14 engages. Furthermore, it can be seen from FIG. 2a that the free end 1 a of
  • Guy support 1 1 carries a deflection roller 1 1 c rotatably mounted, which is in engagement with the seesaw rope 9 in the operating position (see Figure 2c).
  • the erection rope 19 can of course also be attached to a head of another telescopic section 7e or 7f.
  • a safety rope 15 hangs without tension between the free end 1 1 a of the guy support 1 1, the second guy support 15 and the head of the first
  • the safety rope 15 can also be mounted on the head of another telescopic section 7b to 7f — depending on the mounting location of the guy support 11 - on the head of the jib base box 7a or on the superstructure 3.
  • the function of the safety rope 15 is to prevent the guy support 11 from folding upward. In the rest position shown here, there is no contact of the deflection roller 11 c with the seesaw rope 9. The seesaw rope 9 thus leads from the superstructure 3 to the first seesaw support 10 without deflection.
  • the telescopic sections 7b and 7f of the main boom 8 are fully extended, the second telescopic section 7c approximately 90%, the third telescopic section 7d approximately 20% and the fourth telescopic section 7e approximately 45%.
  • the third telescopic section 7d is wider compared to FIG. 2a telescoped so that the erection cable 14 lifts the guy support 11 out of its stored rest position or pulls it up and the
  • Deflection roller 11 comes into first contact with the luffing rope 9 and threads into it.
  • the safety rope 15 is still not tensioned in this intermediate position of the guy support 11.
  • the seesaw rope 9 is not yet deflected by the deflecting roller 11 c.
  • FIG. 2c shows a further partial view of FIG. 1, in which the guy support 11 is shown in the erected operating position. An angle between the
  • Guy support 11 and the second telescopic section 7c is approximately 75 to 90 degrees, preferably 80 degrees, so that under the action of the deflection force from the seesaw rope 9, the guy support 11 also when telescoping the telescopic section 7d
  • Telescopic sections 7b and 7c of the main boom 8 are extended approximately 90% and the telescopic sections 7d to 7f approximately 45%. Because the second and third telescopic rejects 7c, 7d are not fully extended in each case, the tension in the erection rope 14 and the safety rope 15 can be set.
  • the guy support 1 1 engages with its deflecting roller 1 1c in the seesaw rope 9 and deflects the seesaw rope 9 over the deflecting roller 11c. In this operating position the
  • Guy support 1 1 the main boom 7 is braced or stabilized in addition to the secondary guy 12a, 12b. A deformation of the main boom 7 in the load-receiving direction and large deflections of the main boom 7 can be reduced in this way.
  • the invention is described on the basis of a mobile crane with a telescopic boom. It goes without saying that the principle of the present invention can also be used for lattice boom or folding boom (foldable boom in lattice mast or box version) and also for
  • the guy support can have at least one
  • the at least one guy support 11 is arranged on the main boom 7 between the boom base box 7a and the innermost telescopic section 7f.
  • the at least one guy support 11 on the main boom 7 should preferably be in the region of the middle three (in the case of an odd total number of boom base boxes 7a and telescopic sections 7b to 7f), preferably two (in the case of an even one
  • the mobile crane 1 is equipped with a main boom 7 as a telescopic boom with a boom base box 7a and a plurality of telescopic sections 7b to 7f, the main boom 7 is connected to a boom 7a articulated on the boom base box
  • Rocker cylinder 13 is rockable, so the at least one guy support 11 on the main boom 7 between an articulation of the rocker cylinder 13 on the
  • Boom base box 7a and the innermost telescopic section 7f is arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

L'invention concerne une grue automotrice (1), en particulier une grue mobile, pourvue d'un bras principal (7) et d'un prolongement (8) de bras principal monté sur ledit bras par l'intermédiaire d'au moins un câble de relevage (9). L'objet de l'invention est de fournir une grue automotrice à meilleure charge admissible. À cet effet, au moins un stabilisateur (11) de haubanage, qui guide le câble de relevage (9) pour le haubanage du bras principal (7), est disposé sur le bras principal (7).
EP19736696.6A 2018-07-09 2019-07-05 Stabilisateur pour la corde de haubanage arrière d'une grue télescopique Active EP3793930B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018116575.7A DE102018116575A1 (de) 2018-07-09 2018-07-09 Stütze für den hinteren Abspannstrang eines Teleskopkrans
PCT/EP2019/068062 WO2020011657A1 (fr) 2018-07-09 2019-07-05 Stabilisateur pour la corde de haubanage arrière d'une grue télescopique

Publications (2)

Publication Number Publication Date
EP3793930A1 true EP3793930A1 (fr) 2021-03-24
EP3793930B1 EP3793930B1 (fr) 2022-10-05

Family

ID=67185035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19736696.6A Active EP3793930B1 (fr) 2018-07-09 2019-07-05 Stabilisateur pour la corde de haubanage arrière d'une grue télescopique

Country Status (5)

Country Link
US (1) US11465887B2 (fr)
EP (1) EP3793930B1 (fr)
JP (1) JP2021533051A (fr)
DE (1) DE102018116575A1 (fr)
WO (1) WO2020011657A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020129454B4 (de) 2020-11-09 2023-08-17 Tadano Demag Gmbh Fahrzeugkran mit einem Auslegersystem
DE102020129762B3 (de) 2020-11-11 2022-02-17 Tadano Demag Gmbh Teleskopausleger eines Mobilkrans
DE102020134714B4 (de) * 2020-12-22 2023-09-28 Tadano Demag Gmbh Fahrzeugkran mit einem wippbaren Hauptausleger und mit einem Zusatzauslegersystem

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1922950A1 (de) * 1969-05-06 1971-01-28 Demag Baumaschinen Gmbh Auslegerkran mit Spitzenausleger
DE2258807A1 (de) * 1972-12-01 1974-06-06 Krupp Gmbh Teleskopierbarer ausleger, vorzugsweise eines auto- oder mobilkranes
JPS4982050A (fr) * 1972-12-11 1974-08-07
JPH0283892U (fr) * 1988-12-14 1990-06-28
DE4005082C1 (fr) * 1990-02-17 1991-09-19 Krupp Industrietechnik Gmbh, 4100 Duisburg, De
DE10022600B4 (de) * 1999-06-28 2007-09-27 Terex-Demag Gmbh & Co. Kg Teleskopkran
FR2813298B1 (fr) * 2000-08-30 2002-10-25 Potain Sa Circuit de cable de distribution pour grue a tour
DE20219126U1 (de) * 2002-12-10 2004-04-15 Liebherr-Werk Ehingen Gmbh Teleskopausleger
DE202004017771U1 (de) * 2004-11-16 2006-03-23 Liebherr-Werk Ehingen Gmbh Kranausleger
DE102005049606B4 (de) * 2005-10-17 2016-03-31 Liebherr-Werk Ehingen Gmbh Fahrzeugkran mit Zusatzausleger und Verfahren zur Demontage des Hilfsauslegers
DE202005016743U1 (de) * 2005-10-25 2007-03-29 Liebherr-Werk Ehingen Gmbh Kran
DE202006015189U1 (de) * 2006-10-04 2008-02-14 Liebherr-Werk Ehingen Gmbh Teleskopkran
DE102007056289B4 (de) * 2007-10-29 2009-06-04 Liebherr-Werk Ehingen Gmbh Verfahren zum Aufrichten eines Kranauslegers
JP5377176B2 (ja) * 2009-09-08 2013-12-25 株式会社加藤製作所 クレーン装置
DE202014006460U1 (de) 2014-08-11 2015-11-12 Liebherr-Werk Ehingen Gmbh Teleskopausleger eines Krans mit Abspannung sowie Kran
DE102016114837A1 (de) * 2016-08-10 2018-02-15 Terex Global Gmbh Teleskopausleger mit Abspannsystem für einen Mobilkran und Abspannverfahren hierfür
CN107117542A (zh) * 2017-06-30 2017-09-01 徐州重型机械有限公司 起重机
CN107915159A (zh) * 2017-12-11 2018-04-17 徐州重型机械有限公司 一种起重机臂架结构

Also Published As

Publication number Publication date
EP3793930B1 (fr) 2022-10-05
US20210179398A1 (en) 2021-06-17
DE102018116575A1 (de) 2020-01-09
JP2021533051A (ja) 2021-12-02
US11465887B2 (en) 2022-10-11
WO2020011657A1 (fr) 2020-01-16

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