EP2235276A2 - Poutre en treillis - Google Patents

Poutre en treillis

Info

Publication number
EP2235276A2
EP2235276A2 EP09704948A EP09704948A EP2235276A2 EP 2235276 A2 EP2235276 A2 EP 2235276A2 EP 09704948 A EP09704948 A EP 09704948A EP 09704948 A EP09704948 A EP 09704948A EP 2235276 A2 EP2235276 A2 EP 2235276A2
Authority
EP
European Patent Office
Prior art keywords
support structure
lattice
struts
lattice support
structure according
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
EP09704948A
Other languages
German (de)
English (en)
Other versions
EP2235276B1 (fr
Inventor
Kamal Daas
Doron Livnat
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.)
Prodelta Investments BV
Original Assignee
Prodelta Investments BV
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 Prodelta Investments BV filed Critical Prodelta Investments BV
Publication of EP2235276A2 publication Critical patent/EP2235276A2/fr
Application granted granted Critical
Publication of EP2235276B1 publication Critical patent/EP2235276B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
    • E04H12/187—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with hinged sections
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
    • E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped elements
    • 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
    • E04H12/02—Structures made of specified materials
    • E04H12/08—Structures made of specified materials of metal
    • E04H12/10—Truss-like structures
    • 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
    • E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic

Definitions

  • the present invention relates to a lattice structure.
  • Such lattice structures are known in different embodiments.
  • the present invention has the object of developing such a lattice support structure to the effect that this can be secured particularly easily and safely in its built-up state.
  • the lattice support structure has longitudinal supports which are connected by oblique struts and in the ready state of the lattice structure transversely extending, provided with a hinge struts, wherein the struts are pivotally connected to two preferably adjacent supports in combination at least one connecting strut is provided which connects two non-adjacent, preferably two opposing supports together.
  • the at least one connecting strut and / or at least one associated with this component such as one or more preferably hinged to the connecting strut lever of the lattice structure has fastening means or is in connection with these or is connectable, wherein the fastening means are designed such that they prevent collapse of the unfolded lattice support structure in at least one position.
  • a preferred embodiment of the invention is that the connecting strut is in communication with a first mounting flange and that on the at least one connecting strut, a first and a second lever are hinged, which are in communication with a second fastener and wherein the fastening elements are arranged that they can be connected with each other.
  • the fastening elements are arranged that they can be connected with each other.
  • the invention further relates to a lattice support structure having longitudinal supports connected together by oblique struts, one, several or all of the oblique struts communicating with one or both end regions directly or indirectly with at least one of the longitudinal supports in that the oblique strut is displaceable relative to the longitudinal support at least in at least one of the end regions.
  • sliding elements preferably sliding sleeves are provided, which are preferably pivotally connected to an end portion of the oblique struts and run on the longitudinal supports.
  • the obliquely extending strut (s) in one end pivotally with such a sliding element and in its other end region stationary, but are pivotally mounted on the longitudinal supports.
  • the lattice support structure in cross section has a square or rectangular shape, wherein the corners of the square or the rectangle are formed by the longitudinal supports and wherein the connecting struts are so diagonal that they connect two lying in opposite corners supports together.
  • the at least one connecting strut is pivotally connected to the first fastening element in connection.
  • the lever or levers may pivotally communicate with the second fastener.
  • the fastening elements may be designed such that they can be connected to each other by a clamp or the like. If the lattice structure is completely unfolded, the clamp or other fastener is used to effectively prevent removal of the fasteners and thus folding the lattice support structure.
  • one of the fastening elements has a flange-shaped part and extending from this pin and that the other of the fastening elements has a flanschförmgien part comprising recesses in which the pins can be at least partially received.
  • the transverse, provided with a hinge struts are spaced apart in the longitudinal direction and that a connecting element is provided which connects two joints of two such struts or two struts together. This results in that the movement of a strut by means of the connecting element leads to a corresponding movement of the adjacent strut.
  • At least one blocking element is provided which prevents pivoting of the transverse struts in the ready state of the lattice support work.
  • This locking element can be designed to be self-locking, which means that it moves in its locking position when the lattice structure is fully unfolded.
  • the lattice support structure comprises struts which are designed in the form of a pyramid or in the form of a truncated pyramid. These structures can be arranged simply or in the longitudinal direction of the lattice structure repetitive, wherein in the case of several of these structures, the structures can be arranged the same or in opposite directions.
  • the pyramids or Pyramindenstümpfe are preferably located inside the lattice structure. They may be designed such that the central longitudinal axis of the lattice support work extends through the tips of these structures.
  • the present invention further relates to a lattice support structure with longitudinally extending supports, which are connected to each other by oblique struts and in the operative state of the lattice structure transversely, provided with a hinge struts, wherein the struts are pivotally connected to two adjacent columns in combination and wherein a central element is provided from which struts extend to the longitudinal supports, wherein the struts extend at least in the operative state of the lattice support structure at an acute angle to the longitudinal supports.
  • This lattice support structure may be designed according to the characterizing part of one of claims 1 to 14.
  • the invention further relates to a lattice support structure with expandable structures, in particular lattice support structure according to one of claims 1 to 16, which is characterized in that the lattice structure has pivotally arranged bars or struts, wherein the pivotable connection is designed such that one of the pivotable with each other connected parts has a projection and that the other of the pivotally connected parts has a limited on three sides by walls groove in which the projection of the other part is pivotally received.
  • These bars or struts may be, for example, the struts of the above-mentioned embodiments of a lattice support structure.
  • the groove bottom thus serves as a boundary, so that a pivoting of the grating bar is only possible as far as possible, until one of said parts rests against the groove bottom. In this position, the grid is thus blocked or further pivoting is not possible.
  • a pivotable connection can be provided where two segments of a grid bar are pivotally connected to each other and / or where a grid bar is hinged to another part of the lattice support structure.
  • the grating bar or the strut can have the projection at its one end region and the said groove at its other end region. In this way it is possible to connect a plurality of bars together or to provide bars of different lengths. In principle, it is also conceivable to carry out both ends of the lattice bar with grooves or with the said projections.
  • the invention further relates to a crane, which consists of one or more lattice structures according to claims 1 to 17, or at least one such supporting structure.
  • FIG. 1 shows a perspective as well as a top view of the lattice support structure according to the invention in the unfolded state
  • FIG. 2 shows a perspective view of the lattice support structure according to FIG. 1 in the folded state
  • FIGS. 3-5 detailed representations of an end region of the lattice support structure according to FIGS. 1 and 2,
  • FIG. 8 shows a detailed representation of the blocking element of the lattice support structure according to FIG. 7,
  • FIG. 11 shows the lattice support structure according to a further embodiment according to the present invention in the unfolded state
  • FIG. 12 shows an illustration of the lattice support structure according to the invention corresponding to FIGS. 9 and 10 with a plurality of lattice support structure segments set one against the other.
  • FIG. 1 upper view shows the lattice support structure according to the invention in a perspective view in the unfolded state.
  • the lattice structure is square in cross section. The corners of the square are formed by longitudinal supports 10, which are connected by oblique and intersecting struts 20 together, as can be seen from Figure 1.
  • the struts 20 are pivotally mounted on the supports 10. They form the outer surface of the structure.
  • Two adjacent struts 30 in the longitudinal direction of the lattice support structure are connected to one another by a connecting element 90, which has the task of transmitting the pivoting movement of a strut 30 on a pivoting movement of the adjacent strut 30.
  • connecting struts 40, 42 are provided which each connect two diagonally opposite supports of the lattice support structure, as can be seen from FIG.
  • the struts 40, 42 are thus in the unfolded state on the front side of the illustrated lattice support structure segment.
  • connecting struts 40, 42 are each pivotable lever in connection, which are hinged to a fastening element 64.
  • the struts 40, 42 are also pivotally connected in its central region with another fastener 62 in connection.
  • Figure 1, bottom view shows the arrangement in a plan view.
  • FIG. 2 shows the lattice support structure according to FIG. 1 in the folded state.
  • This is a lattice structure segment, which can be assembled with other lattice structures.
  • FIG. 3 shows the end-side end section of the lattice support structure shown on the right in FIG. 1 in a partially folded state.
  • the two fastening elements 62, 64 are comparatively far apart from each other.
  • the fastener 62 consists of a flange-shaped portion 66 and pins 67 extending vertically therefrom.
  • the fastener 64 is also comprised of a flange-shaped portion 68 and peripheral part-circular recesses 69 sized to receive the pins 67 therein is shown in Figure 4. Once this is the case, the clamp 70 is pivoted about the received portions of the pins 67 and around the flange 68 and secured, so that a movement apart of the fastening elements 62 and 64 is excluded.
  • FIG. 6 shows the lattice structure in a side view.
  • the struts 30 which extend transversely in the unfolded state and which have a joint 32 can be secured by a pawl 100.
  • This pawl automatically enters its locking position as soon as the struts 30 are swung out into their illustrated position.
  • To release the pawl 100 is actuated, whereupon the pivoting of the struts 30 about the hinge 32 and thus the folding of the lattice support structure is possible.
  • FIG. 9 shows the lattice structure according to the present invention in a further embodiment.
  • struts 110 are provided which extend from a centrally located element 120 to the longitudinal supports 10. In the operative state, which is shown in Figure 9, the struts 110 extend at an acute angle to the longitudinal supports 10. The struts 110 are pivotally mounted both on the supports 10 and on the central element 120.
  • this strut arrangement continues mirror-symmetrically downwards.
  • the struts 110 open in another central element 130.
  • These central elements 120 and 130 can be connected in the mounted state of the lattice tower with those of adjacent segments of the lattice structure, so that there is a continuous system, as shown in Figure 12. In this way it is possible to effect a folding and unfolding of the entire lattice structure by corresponding actuation of the central elements.
  • FIG. 11 shows an exemplary embodiment in which this strut arrangement does not repeat downwards, but is only half-sided relative to the lattice support segment.
  • connecting struts may also be provided in this embodiment of the invention which extend diagonally between two obliquely opposite supports 10. These connecting struts are identified in FIG. 10 and 11 by the reference numeral 140. These struts can be made in accordance with the above Embodiment also be used to secure the lattice structure in the unfolded position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Bridges Or Land Bridges (AREA)
  • Jib Cranes (AREA)
  • Supports For Plants (AREA)
  • Fencing (AREA)

Abstract

L'invention concerne une poutre en treillis comprenant des montants longitudinaux qui sont reliés entre eux avec des entretoises s'étendant obliquement et, au stade d'exploitation de ladite poutre, avec des entretoises munies d'une articulation, les entretoises étant assemblées pivotantes avec, respectivement, deux montants, de préférence adjacents. L'invention est caractérisée en ce qu'il est prévu au moins une entretoise de liaison qui relie entre elles deux montants non adjacents entre eux, de préférence deux montants opposés, et en ce que l'entretoise de liaison et/ou au moins un composant de la poutre en treillis en liaison avec celle-ci, présente des moyens de fixation, ou est en liaison ou peut être en liaison avec ceux-ci, et en ce que lesdits moyens de fixation sont configurés de façon qu'ils empêchent, en au moins une position, un rabattement de la poutre en treillis.
EP09704948.0A 2008-01-29 2009-01-29 Poutre en treillis Not-in-force EP2235276B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008001272U DE202008001272U1 (de) 2008-01-29 2008-01-29 Gittertragwerk
PCT/EP2009/000581 WO2009095243A2 (fr) 2008-01-29 2009-01-29 Poutre en treillis

Publications (2)

Publication Number Publication Date
EP2235276A2 true EP2235276A2 (fr) 2010-10-06
EP2235276B1 EP2235276B1 (fr) 2013-08-28

Family

ID=40512200

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09704948.0A Not-in-force EP2235276B1 (fr) 2008-01-29 2009-01-29 Poutre en treillis

Country Status (7)

Country Link
US (2) US8484925B2 (fr)
EP (1) EP2235276B1 (fr)
JP (1) JP2011511186A (fr)
CN (3) CN101932779A (fr)
DE (1) DE202008001272U1 (fr)
ES (1) ES2437146T3 (fr)
WO (1) WO2009095243A2 (fr)

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Also Published As

Publication number Publication date
HK1148564A1 (en) 2011-09-09
WO2009095243A3 (fr) 2009-11-12
WO2009095243A2 (fr) 2009-08-06
US20140150370A1 (en) 2014-06-05
CN101932779A (zh) 2010-12-29
CN103213908A (zh) 2013-07-24
EP2235276B1 (fr) 2013-08-28
ES2437146T3 (es) 2014-01-09
CN103216133A (zh) 2013-07-24
US8484925B2 (en) 2013-07-16
DE202008001272U1 (de) 2009-06-04
JP2011511186A (ja) 2011-04-07
US20100326004A1 (en) 2010-12-30

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