EP1213254A1 - Flèche télescopique - Google Patents

Flèche télescopique Download PDF

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Publication number
EP1213254A1
EP1213254A1 EP01250427A EP01250427A EP1213254A1 EP 1213254 A1 EP1213254 A1 EP 1213254A1 EP 01250427 A EP01250427 A EP 01250427A EP 01250427 A EP01250427 A EP 01250427A EP 1213254 A1 EP1213254 A1 EP 1213254A1
Authority
EP
European Patent Office
Prior art keywords
telescopic boom
boom according
tension
container
elements
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
EP01250427A
Other languages
German (de)
English (en)
Other versions
EP1213254B1 (fr
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
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
Demag Mobile Cranes GmbH and Co KG
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 Demag Mobile Cranes GmbH and Co KG filed Critical Demag Mobile Cranes GmbH and Co KG
Publication of EP1213254A1 publication Critical patent/EP1213254A1/fr
Application granted granted Critical
Publication of EP1213254B1 publication Critical patent/EP1213254B1/fr
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
    • B66C23/823—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
    • 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

Definitions

  • the invention relates to a telescopic boom, in particular for one Mobile crane is provided, according to the preamble of claim 1.
  • the Telescopic boom has a basic box that on the superstructure of the Mobile crane is articulated. In the basic box there are several out and telescopic shots (inner boxes) led. On the back of the Basic box is preferably in the vicinity of the pivot point of the rocker cylinder Guy rack mounted, the free end of two side by side rear Bracing with the foot area of the basic box, i.e. its (in the lifting position) lower end is connected. The rear guying is indicated by a Fixed length rope formed.
  • the free end of the guy stand is through two side bracings lying next to each other with the head of the innermost or connected to the collar of a telescoped inner box.
  • the tension cables are each with one end at the free end of the Tensioning brackets are attached and are each attached to the headpiece via a pulley Collar of a telescoped inner box back to the guy stand and over one further pulley, which is arranged at the free end of the guy stand, for Winch led.
  • the desired tractive force in the respective tension cable can be set by corresponding setting of the rope length unwound from the winch is influenced become.
  • the two winches are non-positive or positive locked.
  • the two are provided rear bracing in the form of a common rope that over a Deflection pulley is guided in the foot area of the basic box via a hydraulic Pull cylinder is held so that depending on the extended length of the pull cylinder Guy frame, which is rotatably mounted on the basic box by a small angle can be pivoted.
  • the tensile force in the Tension ropes of the front guying influenced.
  • bracing is to see the deflection of the limit telescopic boom under load.
  • Arrangement of the stays can be done if the tensile forces are independent can be influenced by one another, to a certain extent also lateral forces that arise balance the telescopic boom in the form of a wind load, i.e. Reduce lateral deformation.
  • DE 196 06 109 A1 discloses a mobile crane with a telescopic boom, which also has a guy stand with a winch on its back the one from the top of the guy bracket to the headpiece of the innermost one Telescopic shot or a collar of another telescoped Telescopic shot extending guy rope is tensioned.
  • the winch is in the Area of the tip of the guy stand arranged.
  • To the rear is the Guy rack through a rope or through a linkage of predetermined length braced against the foot area of the basic box.
  • Another mobile crane that has a telescopic boom with one on its back Having erected guy stand is known from EP 0 334 187 A1. Outdoors At the end of the guy stand there are several rope pulleys at a distance from each other aligned axes stored. In the area of the upper end of the telescopic boom are also arranged pulley pulleys, which are mounted in a frame, which is in turn connected to the end of the boom by means of tethers. In the foot area of the A cable winch is arranged in the basic box of the telescopic boom.
  • the tensioning cable runs from the winch over one of the Deflection rollers at the free end of the guy stand to the deflection rollers in the area of upper end of the telescopic boom and back from this over another Deflection roller on the guy stand to a fixed point in the foot area of the Basic box, which is opposite the winch.
  • the guy rope between two pulleys of the guy stand is reeved in a loop-like manner that there is a gap between these pulleys Deflection idler runs.
  • This idler pulley is mounted in a bearing block, the articulated with the upper end of the piston rod of a pressure medium cylinder connected is.
  • the hitherto usual guy systems for telescopic booms have regular at least one, often two winches. These winches do not require only a considerable amount of construction work, but often also require installation space that is not available under certain conditions, especially when the Cable winches are to be arranged on the side of the basic box. This room will namely needed, for example, if a foldable additional boom on the side Basic box of the telescopic boom is to be carried. There is therefore a Need for a guy system that is as inexpensive to manufacture and little space is required in the areas of the boom, often by others Additional equipment is occupied.
  • Telescopic boom with the in claim 1 specified features. This is due to the features of the subclaims Telescopic boom can be further configured in an advantageous manner.
  • the invention relates to a telescopic boom with the in the generic term
  • a telescopic boom with the in the generic term
  • the present invention goes a completely new way and dispenses entirely on the use of one or more winches for such anchoring, which is required to increase the permissible load in the telescoped state and is also known as a superlift.
  • the front guy is no longer through a "variable length" rope is formed, i.e. through one on the winch Coiled rope that corresponds to the length telescoped out depending on the application of the telescopic boom can be handled.
  • the invention provides the front guying along its length essentially by a number interconnectable or connected tension elements, each with a fixed length form, the fixed lengths of the tension elements are dimensioned such that predetermined discrete extension lengths of the telescopic boom a specific Corresponds to the number of tension elements.
  • tension elements With modern mobile cranes There are generally only a certain number of telescopic booms Extending positions of the telescopic boom, in which its individual shots are locked together and the telescopic boom is ready to take up the load.
  • the Individual tension elements are therefore divided in length so that for each Extension length (locking position) of the telescopic boom a certain number of tension elements is required, the length of which is the sum of the length of the required front guying corresponds.
  • a separate clamping device is preferably provided either as a variable short link in the front or rear or can be arranged in both parts of the guying or as Device for changing the length of the guy stand is formed and thus its height and thereby affects the tensioning forces. If those Tensioning device is arranged in the front guy, then its length of course when dividing the appropriate lengths of the tension elements considered. If the variable length link in the rear Bracing is provided, then the steep position of the Guy frames on the back of the base box, preferably in the range of 90 °, changed as soon as the pontic is set to a different length. This changes the tensile force in the front in a corresponding manner Guying. Alternatively, it can also be provided that the desired tensile force in the Guying without a separate tensioning device by the To extend telescopic the boom.
  • the tension elements of the front guying can be of any nature his.
  • Tension elements made of bars or narrow are particularly preferred Sheet metal strips (heavy plates) and also from pipes (e.g. telescopic pipes) round or rectangular cross-section or other hollow profiles or from open Profiles.
  • Such tension elements have the property of a comparatively large one Dimensional stability across the longitudinal axis.
  • tension elements for the front Bracing usable according to the present invention which for example consists of Rope pieces or discrete chain lengths are formed and therefore no dimensional stability have transverse to the longitudinal axis.
  • Different pulling elements can also be used be combined with each other, for example a piece of rope with a number of Drawbars.
  • the tension elements of the front bracing are expediently form-fitting coupled to each other. This can be done using a variety of coupling devices be realized. For example, it can be bolt connections or mechanical Act attacks, but it can also be pocket-like or hook-like Connections may be provided.
  • the invention is not specific Coupling device limited.
  • the invention provides that the tension elements A flat, rectangular cross-section over the major part of its length have (e.g. flat iron) and that each formed on one end retaining pin are on the narrow sides of the rectangular cross section of the tension element Increase the width to extend outwards. Furthermore, this one Embodiment provided that at the other end of each A driver device is integrally formed on the traction element, which with in its side areas is pocket-shaped recesses into which the tensile load Holding pin of the immediately adjacent traction element in a form-fitting manner can intervene. In this way, the individual tension elements can be combined into one Connect contiguous strand of the intended length of the front Bracing corresponds.
  • each A driver device is integrally formed on the traction element, which with in its side areas is pocket-shaped recesses into which the tensile load Holding pin of the immediately adjacent traction element in a form-fitting manner can intervene.
  • the invention preferably sees before that the traction elements are pushed into one another or are placed side by side or one above the other or folded. So that's one compact storage of the individual pulling elements for easy transport possible.
  • the container is expediently designed such that it itself is a tension element the front guying forms, so in this also with regard to the supporting function is fully integrated. In this case, it is advisable to use the container Connect the tensioning device to the free end of the guy stand.
  • the pulling elements are arranged so that they pass through the Telescopic the inner boxes of the telescopic boom out of the container are extractable. But it can also be provided that a separate Extension or extension device is installed, which is independent of the drive for the Telescoping the inner boxes works.
  • the telescopic boom with a device that it allows the number of connected to each other during telescoping Tension elements, i.e. to fix the effective length of the guying.
  • a locking device at the outlet of the container to arrange, which, when actuated, blocks the pulling out of further pulling elements (or only possible in the open position).
  • Such a locking device can with a stop that can be moved transversely to the direction of tension of the tension elements be provided, in particular with one at the front and rear ends of the Driver device attacking stop. In the latter case, this not only pulling out further pulling elements, but also inserting the pulled elements blocked.
  • the individual Tension elements When the telescopic boom is in a steep position, it can be provided that the individual Tension elements simultaneously with the telescoping of the individual extended ones Inner boxes of the boom back into the container due to the force of gravity slip back.
  • the traction elements are dismantled the telescopic boom into the container by means of its own insertion device due.
  • Such a slide-in device can of course be used simultaneously also have the function of an extension or extraction device.
  • the insertion device can also be designed in the form of tension springs be arranged between two adjoining tension elements, with one end on one traction element and the other end on the other tension element are attached and when pulling out the tension elements each be elongated. When retracting the telescopic boom would be by the spring force the individual pulling elements are withdrawn.
  • the slide-in or Extending device can also, for example, by a rack profile the respective tension element and a corresponding drivable pinion are formed, which engages in the rack profile and fastened in the area of the container is.
  • the invention provides one Slide-in device in front, which can also be used as a slide-out device if required could be, which has a friction wheel drive.
  • the tensioning device as required in the front or rear or in both Part of the guying is used as a tensioning cylinder (preferably operated hydraulically).
  • a tensioning cylinder preferably operated hydraulically
  • it could a motor-driven spindle drive can also be used.
  • the invention is not limited to special fixtures. If the jig in Shape of a device for changing the length of the guy stand, can also do this for example hydraulic cylinder drives or motor driven spindle drives are used.
  • a rope with the provided one Guy length can be used, this length of course accordingly is shortened if a tensioning device is included in the rear guying.
  • guy lines are preferably also attached to one another in the form Poles or the like used.
  • the tensile force preferably can be set independently of one another using separate clamping devices.
  • the Clamping bracket is then with separate articulation points for the opposite provided front and rear bracing or, for example, also from in advance in two opposite one another with respect to the longitudinal axis of the boom Split bucks.
  • the bracing can also be used Affect the lateral stability of the telescopic boom positively.
  • the guy stand is expediently connected to the basic box via a swivel joint connected to the telescopic boom so that it is removed during transport Condition can be easily folded onto the telescopic boom. It is advantageous if the container for the tension elements with the Guy rack can be folded to the telescopic boom.
  • At least one tension element an adjustable length to accommodate manufacturing tolerances and others Compensate influences on the effective length of the guy.
  • the latter happens in the disarmed, i.e. unloaded state of the guying, so that during the Telescoping the boom also this tension element has a fixed length
  • the adjustment of the length of the tension element can be achieved in that the Traction element is carried out in two sections, for example Screw connections, that is detachable at their ends in different positions are interconnectable (connection in elongated holes or alternatively usable Through holes for the screws).
  • the telescopic boom 1 shown in Fig. 1 has a basic box 2 and two telescoped inner boxes 3, 4.
  • a guy stand 5 is erected perpendicular to the longitudinal axis of the telescopic boom 1.
  • This guy stand 5 is shown schematically in the form of two columns.
  • the Attachment to the back of the base box 2 is not shown, but will preferably carried out in the form of a swivel joint. From the foot area 7 of the Basic box made in the form of a rod or a rope with a fixed Length of a rear guying 6, which at the free end 8 of the guy stand 5 is articulated.
  • a front guy 9 runs to Head piece 10 of the innermost telescoped inner box 4 and is fastened there (e.g. via bolt connection).
  • the front guy 9 consists of a certain number of tension elements, which are discussed in more detail below is, and from a container 17 for these tension elements and one as a hydraulic Clamping cylinder 26 trained clamping device.
  • the Bracing instead of on the head 10, the Bracing also with a collar 11 of another telescopic shot be connected to the telescopic boom.
  • the collar of the basic box is 12 designated.
  • FIG. 2 From Fig. 2 it can be seen that the container 17 with the contained therein Tension elements 13 between the pillars of the guy stand 5 in folded, so disarmed state can find space.
  • the Tensioning cylinder 26 is directly connected to the container 17 on one side and coupled with its other side to the free end of the guy bracket 5. The latter can only be seen from FIG. 1.
  • the traction elements 13, which are also used to distinguish between individual elements 13a-n are shown in more detail. According to a preferred one Embodiment of the invention, these tension elements 13 are essentially in shape narrow thick-walled sheets are formed, so have over the largest part of them Length a rectangular cross section.
  • Fig. 5 shows that one end at one Traction element 13i is provided with lateral holding pins 14, the thickness of the rectangular profile of the tension element 13i increases towards the end.
  • the holding pin 14 are advantageously cylindrical in the present case. You could but in principle also have a different cross-sectional shape.
  • FIG. 6 The other end of a tension element is shown in FIG. 6 using the example of the tension element 13k shown separately.
  • This end is provided with a driver device 15 which is arranged at a widening of the end of the tension element 13k.
  • the driver device 15 each have a thick-walled and Sheets standing vertically to the plane of the flat tension element 13k, into which on the Inside pocket-like recesses 16 are incorporated.
  • the retaining pin 14 in these pocket-shaped recesses 16 engage, so that the tensile load two tension elements 13i and 13k are positively connected to one another.
  • pocket-shaped recesses 16 act like two in parallel mutually lying hooks which engage behind the holding pins 14.
  • the Traction elements 13a - n of which a total of 6 pieces are shown in Fig. 10, in disarmed state stacked one above the other in the container 17. So this stacking are safely preserved, are on the inside between the side panels of the Driver device 15 securing pins 27 are provided, which prevent a Traction element 13i can separate from the next traction element 13k if it is still there does not engage in the driver device 15 via the retaining pins.
  • FIGS. 7 and 8 each show one as a friction wheel drive with the two friction wheels 23 and 24 trained insertion or extension device.
  • the friction wheels 23, 24 are formed so that they in the space between the side plates of the Driver device 15 taking into account the securing pin 27 fit. she can therefore exert a force on the two flat sides of the respective tension element 13a - n unfold and thus depending on the direction of rotation a movement of the strand of Effect tension elements 13 to the left or right.
  • By a corresponding flexible storage of the axes of the two friction wheels 23, 24 can also thickened points in the coupling area of two adjacent Traction elements 13i, 13k can be run over without any problems.
  • Figures 9a and 9b illustrate how the pulling out or pushing the individual tension elements 13a - n can be done and how to limit the number of withdrawn Tension elements 13a - n can be achieved.
  • a tension element 13 already with the head piece 10 of the Telescopic boom 1 is connected.
  • the innermost shot of the telescopic boom 1 is the positive connection between the Traction element 13 and the first traction element 13 a still located in the container 17 closed so that this automatically with the telescoping is pulled out. Support from the device 22 with the friction wheels 23, 24 is therefore not provided here.
  • This Locking device 19 has, as can be seen from FIGS. 9a-11 front stop 20 and a rear stop 21, which in the illustrated Embodiment together with the friction wheel 23 of the insert device 22 transversely to the direction of tension of the tension elements by means of a pneumatic or hydraulic actuated lifting cylinder 25 can be moved.
  • Figures 9a, 9b, 10 and 11 also illustrate that the orderly filing of the Traction elements 13a - n inside the container 17, which is essentially as Steel sheet box is formed by an inclined sliding plate 18, which by right to left to the exit 18 of the container 17 rises, is facilitated.
  • the driver devices 15 can thus safely to the opening 18 provided be performed.
  • an obliquely downward guide plate the holds the right ends of the tension members 13a-n.
  • Figure 10 also includes Connection 29 emerges via the by means of the clamping cylinder 26, which is not in Fig. 10 is shown, the housing of the container 17 connected to the guy stand 5 can be.
  • FIG. 12 shows an equipped telescopic boom 1, in which the guy boom 5, which has a U-shaped cross section, is applied to the basic box 2.
  • the Container 17 with the tension elements located therein is between the legs of the U-shaped brackets 5 arranged.
  • the rear guy 6 is in this case not from a fixed length rope but from a series of interconnected rods assembled. You can still see that it is obviously unproblematic, for example a lattice boom auxiliary boom (not shown) on the opposite side of the telescopic boom 1 during the Carry the transports folded, as there is no cable winch in the way.
  • the height of a crane vehicle, which is equipped with such a telescopic boom 1 is equipped, is not unfavorably enlarged by the container 17.
  • the present invention enables a waiver in a surprisingly simple manner on any winch for the bracing of a telescopic boom.
  • the constructional complexity of the solution according to the invention is comparatively low.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP01250427A 2000-12-11 2001-12-03 Flèche télescopique Expired - Lifetime EP1213254B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10062517A DE10062517C2 (de) 2000-12-11 2000-12-11 Teleskopausleger
DE10062517 2000-12-11

Publications (2)

Publication Number Publication Date
EP1213254A1 true EP1213254A1 (fr) 2002-06-12
EP1213254B1 EP1213254B1 (fr) 2004-07-21

Family

ID=7667272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01250427A Expired - Lifetime EP1213254B1 (fr) 2000-12-11 2001-12-03 Flèche télescopique

Country Status (3)

Country Link
EP (1) EP1213254B1 (fr)
AT (1) ATE271516T1 (fr)
DE (2) DE10062517C2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1369373A2 (fr) * 2002-06-05 2003-12-10 Liebherr-Werk Ehingen GmbH Flèche télescopique de grue
US7213717B2 (en) * 2002-12-10 2007-05-08 Liebherr-Werk Ehingen Gmbh Telescopic boom
WO2009135662A1 (fr) 2008-05-06 2009-11-12 Terex Demag Gmbh Mât en treillis entretoisé latéralement
WO2010091678A1 (fr) * 2009-02-11 2010-08-19 V & M Deutschland Gmbh Barre de traction pour assujettir une flèche de grue
WO2018029306A1 (fr) * 2016-08-10 2018-02-15 Terex Global Gmbh Flèche télescopique comportant un système d'haubanage pour grue mobile et procédé d'haubanage correspondant
WO2018134249A1 (fr) * 2017-01-20 2018-07-26 Terex Global Gmbh Flèche télescopique dotée d'un système de haubanage pour une grue mobile et procédé de haubanage correspondant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20208740U1 (de) * 2002-06-05 2003-10-09 Liebherr Werk Ehingen Teleskopausleger eines Krans
DE102022102318A1 (de) 2022-02-01 2023-08-03 Liebherr-Werk Ehingen Gmbh Mobilkran mit abgespanntem Teleskopausleger

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4976361A (en) * 1988-03-23 1990-12-11 Liebherr-Werk Ehingen Gmbh Mobile crane comprising a telescopic boom
US4982853A (en) * 1989-02-09 1991-01-08 Hikoma Seisakusho Co., Ltd. Reinforcement mechanism for multi-stage telescopic boom
DE20002748U1 (de) * 2000-02-16 2000-08-03 Liebherr Werk Ehingen Fahrzeugkran

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113763A1 (de) * 1981-04-04 1982-10-28 Mannesmann AG, 4000 Düsseldorf "fahrzeugkran mit teleskopausleger"
FR2629248B1 (fr) * 1988-03-25 1992-04-24 Sgs Thomson Microelectronics Procede de test de memoire a programmation unique et memoire correspondante
DE19606109A1 (de) * 1995-12-12 1997-06-19 Liebherr Werk Ehingen Fahrzeugkran

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4976361A (en) * 1988-03-23 1990-12-11 Liebherr-Werk Ehingen Gmbh Mobile crane comprising a telescopic boom
US4982853A (en) * 1989-02-09 1991-01-08 Hikoma Seisakusho Co., Ltd. Reinforcement mechanism for multi-stage telescopic boom
DE20002748U1 (de) * 2000-02-16 2000-08-03 Liebherr Werk Ehingen Fahrzeugkran

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1369373A2 (fr) * 2002-06-05 2003-12-10 Liebherr-Werk Ehingen GmbH Flèche télescopique de grue
EP1369373A3 (fr) * 2002-06-05 2006-03-22 Liebherr-Werk Ehingen GmbH Flèche télescopique de grue
US7213717B2 (en) * 2002-12-10 2007-05-08 Liebherr-Werk Ehingen Gmbh Telescopic boom
WO2009135662A1 (fr) 2008-05-06 2009-11-12 Terex Demag Gmbh Mât en treillis entretoisé latéralement
EP2998264A1 (fr) 2008-05-06 2016-03-23 Terex Cranes Germany GmbH Mât en treillis haubanés latéralement
US8701903B2 (en) 2009-02-11 2014-04-22 V & M Deutschland Gmbh Traction rod for bracing a crane jib
CN102325716A (zh) * 2009-02-11 2012-01-18 V&M德国有限公司 用于系索加固起重机悬臂的拉杆
CN102325716B (zh) * 2009-02-11 2014-07-23 瓦卢莱克德国有限公司 用于系索加固起重机悬臂的拉杆
WO2010091678A1 (fr) * 2009-02-11 2010-08-19 V & M Deutschland Gmbh Barre de traction pour assujettir une flèche de grue
WO2018029306A1 (fr) * 2016-08-10 2018-02-15 Terex Global Gmbh Flèche télescopique comportant un système d'haubanage pour grue mobile et procédé d'haubanage correspondant
JP2019524603A (ja) * 2016-08-10 2019-09-05 テレックス グローバル ゲーエムベーハー 移動式クレーン用のガイシステムを備える伸縮ジブ及びそのための張綱方法
US11174137B2 (en) 2016-08-10 2021-11-16 Tadano Demag Gmbh Telescoping jib comprising a guying system for a mobile crane and guying method therefor
WO2018134249A1 (fr) * 2017-01-20 2018-07-26 Terex Global Gmbh Flèche télescopique dotée d'un système de haubanage pour une grue mobile et procédé de haubanage correspondant
US11130659B2 (en) 2017-01-20 2021-09-28 Tadano Demag Gmbh Telescoping jib comprising a rod guying system for a mobile crane and guying method therefor

Also Published As

Publication number Publication date
DE10062517A1 (de) 2002-06-27
ATE271516T1 (de) 2004-08-15
EP1213254B1 (fr) 2004-07-21
DE10062517C2 (de) 2002-12-05
DE50102917D1 (de) 2004-08-26

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