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
  • B66C23/64—Jibs
  • B66C23/68—Jibs foldable or otherwise adjustable in configuration
• • 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
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C3/00—Structural elongated elements designed for load-supporting
  • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
  • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
  • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G1/00—Scaffolds primarily resting on the ground
  • E04G1/17—Comprising essentially pre-assembled three-dimensional elements, e.g. cubic elements
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G1/00—Scaffolds primarily resting on the ground
  • E04G1/34—Scaffold constructions able to be folded in prismatic or flat parts or able to be turned down
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C3/00—Structural elongated elements designed for load-supporting
  • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
  • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
  • E04C2003/0486—Truss like structures composed of separate truss elements
  • E04C2003/0495—Truss like structures composed of separate truss elements the truss elements being located in several non-parallel surfaces

Definitions

• the present invention relates to a lattice structure reciprocable between a deployed and a folded condition, the lattice support having supports extending in the longitudinal direction of the lattice structure and the lattice structure further comprising struts interconnecting said supports.
• lattice structures are known from the prior art, which have longitudinal supports, which are connected to each other in the unfolded state of the lattice production plant by obliquely extending struts.
• the arrangement of the struts is achieved such that the distance between the extending in the longitudinal direction of the lattice support columns is reduced and enlarged, so that the lattice support structure can be folded and unfolded, which preferably also applies to the lattice support factory of the present invention.
• This is particularly important for transport purposes, since the lattice structure in the folded state requires relatively little space and therefore can be easily transported.
• the present invention has the object of developing a lattice support structure of the type mentioned in such a way that this has a relatively simple structure and yet allows easy folding and unfolding.
• a lattice support structure with the features of claim 1.
• at least one of the struts has at least one joint (hereinafter also referred to as joint struts) about which at least two portions of the strut are pivotable relative to each other, and that at least one of the struts has no such and preferably no joint.
• joint struts two types of struts are used, of which one type has at least one joint, and of which the other type has no such joint, preferably no joint at all.
• both the hinge struts and the struts are pivotally connected to said supports without a hinge.
• the struts on the one hand as a joint struts and on the other hand as a rigid, i. not designed with a joint trained rods.
• This embodiment of a lattice support structure results in a comparatively simple construction. Nevertheless, a trouble-free folding and unfolding is possible.
• struts are arranged such that they mutually connect adjacent supports in the circumferential direction of the lattice support structure.
• struts are arranged such that they connect columns with each other, which are not adjacent to each other in the circumferential direction of the lattice girder, but for example, are arranged diagonally opposite each other.
• the struts, which connect two supports each other are arranged in such a way that joint struts and struts follow one another alternately without joint.
• a grouping of joint struts and struts without a joint is also conceivable, ie that several joint struts follow one another and / or that several struts follow one another without a joint.
• the joint is designed such that the sections of the strut connected by the joint can only be moved in one direction.
• the joints are thus designed such that the struts, starting from their position which they occupy in an unfolded lattice structure, can only be merged in one direction.
• the hinged struts in the unfolded state of the lattice structure have a stretched shape, i. the sections of the strut connected by the joint run in a line.
• the hinge may be configured to define a stop that limits the pivotal movement of the portions of the strut connected by the hinge.
• a maximum possible pivoting angle of the sections of the strut connected by the joint can be, for example, 180 °.
• the struts that have no such joint are designed as rigid rods, which are preferably straight.
• the struts comprising the said joint can have exactly one joint per strut or even two or more than two joints. If exactly one joint is provided, it is conceivable to arrange this in the middle or in the middle or even offset to the middle of the strut on the strut. Furthermore, it can be provided that the one or more joints of all struts are identical and / or are designed such that they allow a pivoting movement of the sections connected by the joint struts for all of the at least one joint having struts in the same longitudinal direction of the lattice support structure. Thus, it is conceivable, for example, that the sections of the struts connected by the joint project all or all downwards during or after the folding-together of the lattice support structure.
• struts are provided which extend in the unfolded state at right angles to the supports.
• two adjacent struts at least in the unfolded state of the lattice support work at different angles relative to the support on which they are arranged.
• the two struts connecting struts in the unfolded state of the lattice support a zig-zag shape.
• the struts do not extend over the entire length, preferably with the exception of one end region of the lattice support structure, in the interior of the lattice girder defined by the supports. These struts thus form the peripheral surface of the lattice support structure.
• the invention also includes the case that struts extend in the said space of the unfolded lattice girder, or that struts are provided in one or both end areas which extend over the interior space or through it. A particularly simple but nevertheless stable construction results if no further struts or other components are arranged in the interior of the unfolded lattice structure defined by the supports.
• At least one, preferably several or all of the joints are designed such that they have locking means or can be provided with locking means by means of which the joint position can be fixed and / or the movement of the joint can be limited.
• a locking means for example, a bolt or the like into consideration, which can be connected to the joint in such a way that the joint is fixed in its end position, preferably at folded lattice support work and can not be moved.
• Struts may be arranged in at least one section, preferably in at least one end region of the lattice support structure, which connect two non-adjacent supports with one another and are preferably arranged crosswise.
• the girder structure can have connecting elements in its end region, preferably in the end region or in both end regions of one, several or all supports, with which it can be connected to a further lattice support structure or to another structure, such as a support or a point.
• a preferred application of the lattice support structure is that it is used as a crane or as part of a crane or a crane jib, preferably a traveling crane.
• Figure 1 different views of the lattice support structure according to the invention in the unfolded state
• Figure 2 different views of the lattice support structure according to the invention in the folded state.
• Figure 1 a shows a side view of an inventive lattice support structure consisting of running in the longitudinal direction of the lattice support columns 10, which represent the vertices of the lattice support structure in plan view.
• the lattice support structure is quadrangular in cross-section in the unfolded state (see FIG. 1 b) or square or rectangular.
• structures, such as triangular variants or designs with more than four supports are conceivable, which have a polygonal cross-section.
• Figure 1c) shows the lattice support factory in a side view in the horizontal state and Figure 1d) in a perspective view.
• Figure 1e) is a detail view of the detail B in Figure 1c).
• two adjacent supports of the lattice support structure are connected by struts 20, 30, wherein the struts 20, 30 extend in the unfolded state at an angle to the support 10, which deviates from a 90 ° angle.
• successive struts 20, 30 run in a zig-zag pattern between two adjacent supports 10, ie are arranged alternately rising from right to left or rising from left to right.
• the struts 20, 30 connecting them do not have the same design, but instead consist of two types, one of which has a rigid, ie no joint.
• de rod 30 and the other is designed as a rod 20 which has a center or offset from the middle of the rod 22.
• the joint 22 of all struts 20 is formed so that the strut sections, which are connected by the joint 22, in the collapse of the lattice support structure in the same direction, ie in accordance with Figure 1 all up or down all are pivoted.
• the struts 20 and 30 are pivotably arranged or articulated on the supports 10.
• struts are identified, which connect diagonally opposite supports 10, as can be seen in particular from Figure 1 b).
• two such struts 50 are provided, which extend in the unfolded state of the lattice structure crosswise.
• the lattice support structure in the unfolded state has no other struts, supports or other components which extend in the interior, which is bounded on the outside by the supports 10 and by the struts 20, 30.
• the lattice support structure is, as it were, "hollow.”
• this does not exclude that, in particular in one or both end areas, struts 50 extend which extend in this interior space or adjoin one another.
• Figure 2 shows the lattice support structure in the folded state, in which the side length of the cross section according to Figure 1 b) is reduced to about 1/5.
• 2a) shows the lattice support structure in a side view, Figure 2b) as a sectional view according to the section AA in Figure 2a), Figure 2c) in a plan view, Figure 2d) in a side view in a lying position, Figure 2e) shows the detail B of FIG 2d), Figure 2f) shows the lattice structure in a perspective view and Figure 2g) shows the detail D of Figure 2f).
• FIGS. 1 and 2 are only partially provided with reference symbols.
• the struts 30 Due to the fact that the struts 30 have no joint and therefore experience no reduction in their length dimension when folding the lattice support work, it comes to the displacement of the supports 10 relative to each other in the longitudinal direction of the lattice support work and thus to a slight increase in the Length of the lattice structure as a whole.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Jib Cranes (AREA)
• Tents Or Canopies (AREA)
• Superstructure Of Vehicle (AREA)

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Publications (1)

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• 2011
  • 2011-02-18 DE DE202011002901U patent/DE202011002901U1/de not_active Expired - Lifetime
• 2012
  • 2012-02-01 WO PCT/EP2012/000448 patent/WO2012110201A1/de active Application Filing
  • 2012-02-01 US US13/985,766 patent/US20130334159A1/en not_active Abandoned
  • 2012-02-01 CN CN201280009556.6A patent/CN103562119A/zh active Pending
  • 2012-02-01 EP EP12703446.0A patent/EP2675743A1/de not_active Withdrawn
  • 2012-02-01 JP JP2013553828A patent/JP2014506861A/ja active Pending

Non-Patent Citations (1)

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