EP3274288B1 - Kranturm - Google Patents

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Publication number
EP3274288B1
EP3274288B1 EP16711775.3A EP16711775A EP3274288B1 EP 3274288 B1 EP3274288 B1 EP 3274288B1 EP 16711775 A EP16711775 A EP 16711775A EP 3274288 B1 EP3274288 B1 EP 3274288B1
Authority
EP
European Patent Office
Prior art keywords
crane
crane tower
tower
tension
tension element
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.)
Active
Application number
EP16711775.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3274288A1 (de
Inventor
Joachim Mayer
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.)
Liebherr Werk Biberach GmbH
Original Assignee
Liebherr Werk Biberach 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 Liebherr Werk Biberach GmbH filed Critical Liebherr Werk Biberach GmbH
Publication of EP3274288A1 publication Critical patent/EP3274288A1/de
Application granted granted Critical
Publication of EP3274288B1 publication Critical patent/EP3274288B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—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
    • B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/28—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
    • B66C23/283—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/02—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with non-adjustable and non-inclinable jibs mounted solely for slewing movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/20—Side-supporting means therefor, e.g. using guy ropes or struts

Definitions

  • the present invention relates to a crane tower and a tower crane containing this crane tower.
  • crane tower An important element in cranes is the crane tower, which, among other things, accounts for a large proportion of the hook height that can be reached by a crane.
  • the function of the crane tower is to divert the loads that occur from the upper part of the crane and the forces acting on the upper part to the base of the crane tower.
  • the forces that occur that load the crane tower are, in particular, the dead weight of the crane components, loads from moments that are caused by a load on a load hook or by counterballast on the counterjib, loads from travel movements of the crane and loads that occur due to the effects of wind on the Crane are caused to call.
  • the various effects or loads are typically dissipated by a suitable choice of tower construction.
  • the tower is therefore as a truss structure designed in which bending moments that occur, i.e. moments that can lead to bending of the crane tower projecting perpendicularly to the ground, are usually dissipated via three or four corner posts.
  • the horizontal moments and the torsional loads are derived from the infill with diagonal elements in the crane tower to the base.
  • the dimensions of welded towers are usually selected in such a way that the maximum permissible dimensions for transport are not exceeded and the transport is also economical.
  • the CN 202063655U discloses a tower crane, on the crane tower of which a support frame is fastened, which is connected to a crane tower base via several guy ropes.
  • U1 discloses a mobile crane with an undercarriage, an uppercarriage rotatably mounted on the undercarriage and a telescopic boom articulated pivotably on the uppercarriage.
  • the telescopic boom is braced via a Y-guying attached to the base section.
  • the DE 42 21 915 A1 shows a tower crane slewing from below, the jib of which is attached to a guyed climbing cage.
  • the crane tower comprises a crane tower base, to which a crane tower is attached and from which the crane tower extends upwards, and a tension element for bracing the crane tower on the crane tower base, the tension element being connected at one of its two ends to the crane tower base and at its respective other end End is connected to a rigidly connected to the crane tower coupling element.
  • the crane tower is also distinguished by the fact that the tension element runs outside of the crane tower.
  • a crane tower is a structure of a crane that erects itself, preferably in the vertical, to which the crane boom is attached and thus has a significant share of the hook height to be reached with the crane.
  • the crane tower consists of several mast sections that can be connected to one another, which represent individual elements of the crane tower that can be connected to one another.
  • mast sections are inserted into a crane tower that is already connected to the fully assembled crane top. This is usually done by a hydraulic pump arranged on the crane tower, which pushes the upper part of the crane upwards and thus creates free space for a mast bracket element to be inserted. By repeating the insertion process, the crane tower grows in height.
  • the pre-assembled sections of the crane tower are referred to as the mast section.
  • the crane tower base describes that element from which the crane tower extends upwards and that initiates the forces emitted by the crane tower into the ground.
  • a crane foundation a foundation cross
  • a concrete foundation is usually used as the crane foundation, the upper side of which is preferably approximately flush with the ground level.
  • the tension element for bracing the crane tower preferably comprises a strut and/or a rope.
  • a point on the crane tower or a coupling element connected to the crane tower is connected to the crane tower base via the tension element with the tension element, so that the point on the crane tower connected to the tension element or the coupling element is pulled or clamped in the direction of the crane tower base.
  • the tension element runs outside the crane tower. This preferably means that the cross-sectional area defined by the multiple corner posts of the mast section or of the crane tower does not collide with a tension element.
  • a coupling element that is rigidly connected to the crane tower is not taken into account when defining the cross-sectional area of the crane tower, since a coupling element has no effect whatsoever on the maximum bending forces that can be derived from a crane tower. Accordingly, it is preferably only relevant that the tension element runs outside of a cross-sectional area of the crane tower whose corner points are defined by the plurality of, preferably three or four, corner posts of the crane tower.
  • any element which protrudes rigidly from the crane tower and has a point outside the cross-sectional area defined by the several corner posts of a crane can be regarded as a coupling element. It is typical for a coupling element that it has a rigid connection to the crane tower and has a rigid basic structure per se.
  • a bracket attached to the crane tower, a transition piece to another type of crane tower or a slewing ring bearing can be used as the coupling element of a crane tower.
  • the point connected to the tension element is outside a cross-sectional area of a crane tower element (mast section) located.
  • the cross section runs in a plane that is perpendicular to the longitudinal direction of the crane tower.
  • the cross-sectional area is preferably determined by that mast element that has a direct connection to the crane tower base.
  • the crane element connected to the crane tower base has a smaller cross-sectional area than a mast section arranged above it, a connection of the tension element at points that go beyond the cross-sectional area of the mast section connected to the crane tower base is covered by the invention.
  • the coupling element which is connected to one end of the pulling element, preferably protrudes from the crane tower. It advantageously protrudes in a direction perpendicular to the longitudinal direction of the crane tower.
  • the tension element runs approximately parallel to the longitudinal direction of the crane tower, ie approximately parallel to the vertical in the case of a tower crane.
  • This arrangement of the tension element leads to a space-saving implementation of the invention, since a compact crane tower base accompanies the implementation of the invention.
  • the use of material for the tension element is minimal in relation to a maximum height that can be reached.
  • the crane tower according to the invention comprises a second tension element which is arranged in particular such that it lies together with the first tension element in a common plane which contains the longitudinal direction of the crane tower or is parallel to the longitudinal direction of the crane tower.
  • first tension element and the second tension element are arranged mirror-symmetrically to a mirror plane, the mirror plane preferably running through the longitudinal axis of the crane tower.
  • the first and the second tension element are each connected to an associated coupling element (present separately for each of the tension elements).
  • both tension elements prefferably, it is also possible for both tension elements to run parallel to the longitudinal axis of the crane tower.
  • traction element as a sheathed, high-strength fiber cable
  • the fiber cable preferably containing aramid fibers.
  • These high-strength, sheathed fiber ropes are particularly strong and resilient and their load-bearing capacity can be easily adapted to the required properties.
  • they are extremely light and, due to their flexibility, are ideal for forming longer tension members.
  • they can preferably be transported in a reeled state and installed with little assembly effort. This leads to savings when transporting the crane and during assembly.
  • a construction of a crane tower which has several coupling elements which protrude from the crane tower and are arranged one above the other in a vertical direction and in which the pulling element runs from a next higher coupling element to a coupling element below or is connected to it.
  • the crane tower base can be seen as that section of the crane tower which is connected to the coupling element located below a next-higher coupling element. It extends a crane tower element, which is preferably one Mast section equals, from the crane tower base upwards and is connected to the crane tower base via a tension element.
  • a crane tower element which is preferably one Mast section equals, from the crane tower base upwards and is connected to the crane tower base via a tension element.
  • This implementation of the invention is particularly useful for cranes that are capable of climbing. It is thus possible, when a certain height has been reached, to move a crane tower according to the invention, ie to equip it with a tension element, and to let the tension elements also climb with the crane as the height increases.
  • the invention also relates to a tower crane with a crane tower according to one of the above embodiments, the tower crane preferably being a top-slewing tower crane.
  • the crane tower 1 shows a crane tower 1 which is attached to a crane tower base 2.
  • the crane tower base 2 has an upper side which faces the crane tower 1 and is at a similar level to the floor 7 surrounding the crane tower base 2 .
  • the crane tower 1 has coupling elements 5 that protrude from the crane tower 1 .
  • Each coupling element 5 has an associated tension element 3; 4, which connects the coupling element 5 to the crane tower base 2.
  • the tension element 3; 4 runs downwards from its connection point with the coupling element 5, essentially parallel to the longitudinal direction of the crane tower 1.
  • the tension element 3; 4 from its connection point to the coupling element 5 but also in a manner not shown here obliquely or "crosswise" to the crane tower base 2.
  • FIG. 2 shows a crane tower according to the invention in a side view.
  • a number of coupling elements 5, 52, 53 which are spaced apart from one another in terms of height and protrude from the crane tower 1 can be seen.
  • the superimposed coupling elements 5, 52, 53 are each associated with a tension element 3; 4, 32; 42, 33; 43 in connection.
  • a next higher bracing level which already has a bracing level below it, is connected to the tension level below by a tension element 4; 3 connected.
  • a coupling element 5 is connected via a tension element 3; 4 connected to a crane tower base 2.
  • the coupling elements 5 arranged closest to the floor 7 form the first bracing level.
  • the first bracing level forms the crane tower base 22 for the bracing level above it.
  • the coupling element 52 with the aid of a pulling element 32; 42 connected to the crane tower base 22.
  • a third bracing level which is arranged above the second bracing level and whose coupling element 53 has a corresponding tension element 33; 43 to be attached to a crane tower base 23. This makes it possible for the tension elements to increase in height in a manner similar to climbing a crane tower 1 .
  • Fig. 1 shows an overhead slewing tower crane 6 with a crane tower 1 of the present invention.
  • the crane tower base 2 is a cruciform foundation or an undercarriage. This foundation cross or this undercarriage is connected to a tension element 3; 4, which extends to a coupling element 5.
EP16711775.3A 2015-03-26 2016-03-23 Kranturm Active EP3274288B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015003982.2A DE102015003982A1 (de) 2015-03-26 2015-03-26 Kranturm
PCT/EP2016/000513 WO2016150570A1 (de) 2015-03-26 2016-03-23 Kranturm

Publications (2)

Publication Number Publication Date
EP3274288A1 EP3274288A1 (de) 2018-01-31
EP3274288B1 true EP3274288B1 (de) 2023-01-04

Family

ID=55628980

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16711775.3A Active EP3274288B1 (de) 2015-03-26 2016-03-23 Kranturm

Country Status (5)

Country Link
US (1) US10392233B2 (zh)
EP (1) EP3274288B1 (zh)
CN (1) CN107531464B (zh)
DE (1) DE102015003982A1 (zh)
WO (1) WO2016150570A1 (zh)

Families Citing this family (4)

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DE102019101305A1 (de) * 2019-01-18 2020-07-23 Liebherr-Werk Nenzing Gmbh Modulare Schlitzwandfräse
US11643836B2 (en) 2021-01-21 2023-05-09 Mark A. Danaczko Monolithic towers having support structures, and method of designing and assembling the same

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Also Published As

Publication number Publication date
EP3274288A1 (de) 2018-01-31
WO2016150570A1 (de) 2016-09-29
CN107531464A (zh) 2018-01-02
US10392233B2 (en) 2019-08-27
CN107531464B (zh) 2021-06-29
US20180044147A1 (en) 2018-02-15
DE102015003982A1 (de) 2016-09-29

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