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WO2011048154A1 - Système de grue muni d'un dispositif d'aspiration - Google Patents

Système de grue muni d'un dispositif d'aspiration Download PDF

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Publication number
WO2011048154A1
WO2011048154A1 PCT/EP2010/065812 EP2010065812W WO2011048154A1 WO 2011048154 A1 WO2011048154 A1 WO 2011048154A1 EP 2010065812 W EP2010065812 W EP 2010065812W WO 2011048154 A1 WO2011048154 A1 WO 2011048154A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction
crane
hollow profile
arrangement according
profile
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.)
Ceased
Application number
PCT/EP2010/065812
Other languages
German (de)
English (en)
Inventor
Heinz Schlegel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2011048154A1 publication Critical patent/WO2011048154A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/02—Runways, tracks or trackways for trolleys or cranes for underhung trolleys or cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0256—Operating and control devices
    • 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
    • B66C23/20—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 with supporting couples provided by walls of buildings or like structures

Definitions

  • the invention relates to a crane arrangement with a suction device.
  • a suction crane is known, in which a partially flexible suction duct is guided by a fixed suction fan along the top pivoting crane arm to a suction head with a suction hood.
  • tubular crane arm is slidably longitudinally attached to the bottom of a work equipment, for example, for welding.
  • DE 692 15 959 T2 describes a pivotable support arm with a telescoping arm section and a height-adjustable suction nozzle with a suction channel extending below the support arm.
  • DE 28 19 194 A1 shows a suspended over a track in a fixed position suction channel with a closed by a lip seal slot at the bottom and a longitudinally movable suction hood, which is coupled via a with a nozzle lip seal sweeping suction with the suction channel.
  • a cabin which can be moved longitudinally along a crane arm, which in turn can be moved transversely, is connected to a fixed duct and a ventilating device by means of a flexible conduit and a lip which engages in a lip seal.
  • the present invention has for its object to further develop a crane system with a suction advantageously.
  • the invention is described in the independent claim.
  • the dependent claims contain advantageous refinements and developments of the invention.
  • the invention leads to a substantial simplification, weight reduction and cost savings in a combination of crane system and suction device.
  • the profile cross-section can be optimized for a low flow resistance of the suction device and / or for a required load range of the crane function, without appreciably impairing the respective other function.
  • the crane arm and at the same time the suction channel forming hollow profile is designed as an aluminum extruded profile.
  • the hollow profile can be subdivided in the circumferential direction into a plurality of sub-profiles, wherein in particular two flat, substantially flat wall profiles forming the opposite side walls of the hollow profile can be provided.
  • symmetrically arranged part profiles can be made identical.
  • contiguous sub-profiles are advantageously interconnected structures in the longitudinal direction of the crane arm telescoping complementary coupling structures.
  • the crane runway on which run roles of a so-called crane trolley, is advantageously formed on a separate career sub-profile, which is connected to the hollow profile, in particular via interlocking longitudinally interlocking coupling structures, advantageously the raceway sub-profile itself formed as an aluminum profile and at one after top-facing side of this raceway sub-profile a running rail made of a more wear-resistant material, for example, steel is attached.
  • the Crane track is advantageously arranged higher than the suction channel.
  • the crane track is arranged above one of the side wall of the hollow profile, in particular overlapping in vertical projection with the side wall, so that an introduction of the force acting on the crane track force without significant tilting moments in the vertical bending stiffness determining side wall of the hollow profile can be done.
  • a formed on the underside of the hollow profile at least over a partial section gap is advantageously, as is well known for suction ducts, largely sealed by a lip seal.
  • a connection piece connected to a suction carriage of the suction device which can be moved along the crane arm projects through the lip seal under its local widening and forms a flow path between the suction head and the suction channel.
  • the gap on the underside of the hollow profile can advantageously be bridged by individual spaced-apart bridge elements for stabilizing the hollow profile.
  • the underside may also be formed by a profile surface with flow openings.
  • the hollow profile can be constructed in a modular structure with subdivision into sub-profiles in the circumferential direction advantageously in different forms.
  • the height of the side walls for different load ranges of the crane function can be varied, for. B. by different high side wall part profiles and / or by vertical assembly of two side wall sections.
  • FIG. 2 shows an oblique view of a suction carriage
  • FIG. 3 shows a section through an advantageous profile
  • FIG. 4 is a view of FIG. 3 with offset section plane
  • Fig. 7 shows a further guide of the suction carriage
  • Fig. 8 a crane truck on the crane arm.
  • Fig. 1 shows an oblique view schematically a crane assembly with a suction device.
  • the crane arrangement contains in particular a substantially linearly elongated in a horizontal direction extending crane arm KA, which is pivotally mounted on one side in a crane bearing KL as a rotating mechanism about a vertical pivot axis.
  • the crane arm KA is intercepted via one or more tension elements ZE on a counter-bearing which is co-rotated with the crane arm above the crane bearing KL.
  • One of the tension elements leads directly obliquely to the crane arm, the two other elements running in the x direction are shown only in sections and are part of a structure which is generally used for crane arms and which intercepts the crane arm at several points.
  • the crane bearing KL can be attached to a wall and / or supported on a mast.
  • the crane arm can also be held on a rotatable tower with an arranged slewing gear or transversely to its longitudinal axis. be movable direction.
  • a right-angled xyz coordinate system is shown in FIG. 1, wherein the x-direction runs parallel to the horizontal longitudinal direction of the crane arm KA and the y-direction horizontally perpendicular to the longitudinal direction of the crane arm KA.
  • the z direction denotes the vertical direction.
  • Of the crane arm only a short section near the crane bearing is shown. The overall length of the crane arm is typically a multiple of the section shown.
  • FIG. 1 For moving the suction carriage SW in the longitudinal direction x, this can advantageously be equipped with a motor SM.
  • the suction head can, for example, an optionally adjustable or variable-length suction line SL and comprise a suction opening AO.
  • the shape of the suction head can vary and, in particular, also include a large-area suction hood as a suction opening via a workstation.
  • the suction line SL is connected to the suction carriage SH, for example via a mounting plate MP of the suction carriage.
  • the crane arm KA is designed as a hollow profile and has on its in Fig. 1 invisible underside a slot-shaped opening SO, into which a suction nozzle of the suction carriage protrudes.
  • An elastic seal, in particular a lip seal on the slot-shaped opening on the underside of the crane arm abuts against the outside of the suction nozzle and closes outside the area of the suction nozzle, the slot-shaped opening in the profile of the crane arm.
  • a closed air-conducting connection is provided between the interior of the hollow profile of the crane arm and the inlet of a suction blower.
  • the hollow profile of the crane arm is closed by a cover.
  • further working devices can be held movably in the longitudinal direction x on the crane arm, the further tracks WB being preferably provided for the movement of such additional working devices.
  • a suction fan In operation of the suction device, a suction fan generates a negative pressure in the interior of the hollow profile of the crane arm KA and sucks on the connected to the suction truck SH suction head, which can be designed differently according to the respective Absaugaufgabe exhaust air from a workplace, exhaust gas from a motor, etc. by the interior of the hollow crane arm KA.
  • the invention thus provides a particularly advantageous arrangement a crane assembly with a suction given by the
  • Crane arm is designed as a hollow profile and forms a suction duct of the suction device in this embodiment.
  • Fig. 2 shows an advantageous embodiment of a suction carriage for use in an arrangement according to Fig. 1st
  • the suction carriage has an optionally multi-layer mounting plate MP, from which a suction nozzle LS projects upwards.
  • the suction nozzle is designed to be elongated in the direction of travel x of the suction carriage and formed conically tapering at both opposite ends. Spaced laterally in the y-direction opposite two roller carriers RTL, RTR are connected to the mounting plate MP projecting from this upwards.
  • the roller carriers RTL, RTR each carry a plurality of rollers, which are arranged in two different z-positions and include lower rollers RU and upper rollers RO.
  • the upper and lower rollers RO, RU serve to guide the suction carriage in raceways of the crane arm in the manner described by further figures.
  • a motor drive for moving the suction carriage along the
  • Crane arm can be advantageously provided on the suction truck itself in the form of a Saugwagenmotors SM.
  • a suction motor drive SM of the motor drive advantageously cooperates with a respect to the crane arm as immovable in the x-direction counter element.
  • a counter element can be a chain which cooperates with a drive element driven by the motor, which is designed as a toothed pinion ZR.
  • the guide elements ZF are preferably on the Drehach- sen of the rotatably mounted rollers RO axially offset preferably against the rollers RO to the crane arm out.
  • a console KO can be provided on the suction carriage.
  • Fig. 3 shows a section through a crane arrangement with a carriage runways WB movably guided suction carriage with a view parallel to the x-direction in a yz-sectional plane on a suction nozzle LS detecting x-position.
  • the hollow profile of the crane arm KA surrounds an inner space SK which forms the suction channel and is advantageously constructed in the circumferential direction around the inner space SK by a plurality of individual profiles which are positively connected to one another in a positively locking manner via profile structures interengaging in the yz plane.
  • the mutual engagement of the individual profiles can be produced by pushing together the intermeshing profile structures in the x-direction.
  • the hollow profile surrounding the interior SK is formed by two lower web profiles BPU, two upper web profiles BPO and two wall profiles WP.
  • the wall profiles WP are elongated in the cross-section shown in FIG. 3 with a substantially greater extension in the z-direction than in the y-direction forming the wall thickness.
  • the wall profiles WP are characterized approximately plate-shaped.
  • the wall profiles WP have several separate hollow chambers.
  • the wall profiles WP and the web profiles BPO and BPU are positively connected to one another via corresponding profile structures.
  • the wall profiles WP are advantageously mirror-symmetrical with respect to an xy-medial plane.
  • the upper web profiles BPO are advantageously constructed identically and arranged mirror-symmetrically with respect to a center plane ME of the hollow profile. net.
  • the two web profiles BPO are securely connected to each other via connecting profiles ZO and ZI and form a continuous and dense upper boundary of the interior SK of the hollow profile.
  • the lower web profiles BPU are advantageously also identical to each other, but different from the upper web profiles BPO.
  • the lower web profiles BPU have profile structures to which elastic flexible lip seals LD are attached.
  • the lip seals are under elastic deformation of the side surfaces of the Absaugstutzens LS. In longitudinal sections in front of or behind the suction nozzle LS of the suction carriage SW, the lip seals, as shown in the detail in Fig.
  • the gap between the lower web profiles BPU can advantageously be bridged by connecting sections ZU, as shown in Fig. 4, whereby the hollow profile is stabilized on its underside in the y direction.
  • the connecting elements ZU have to allow the flow of the exhaust air AL in the region of the exhaust pipe LS adjustable in the x direction from the slot opening SO into the hollow space SK of the hollow profile.
  • a plurality of individual fasteners ZU arranged in the x-direction spaced from each other or when using a continuous profile for the fasteners ZU this must have sufficiently large openings as passages for the exhaust air flow.
  • the lower web profiles BPU each have profile structures for the tracks WB of the suction carriage, for which a lower track structure LU and an upper track structure LO are provided, which in the z-direction opposite and facing away from each other roller tracks for the lower rollers RU and the upper rollers RO form the roller assembly on the roller carriers RTL, RTR of the suction carriage.
  • the roller races are advantageously convexly curved and shaped corresponding to concave running surfaces of the rollers RO and RU, so that in addition to a vertical support, the shape of the roller treads and the tracks LU and LO is also given a lateral guidance of the suction carriage in the raceways WB.
  • the upper web profiles BPO can likewise have profile structures as raceways WB for rolls, examples of which are shown in further figures.
  • the structures for the raceways WB on the upper web profiles BPO are advantageously identical to the raceway structures on the lower web profiles BPU in terms of shape and mutual position of the running surfaces forming the contact surfaces for the rollers.
  • Crane tracks KB for supporting a crane trolley are advantageously provided in the upper region of the hollow profile of the crane arm, which are spaced apart in the horizontal y-direction and are advantageously arranged symmetrically with respect to the median plane ME of the hollow profile of the crane arm.
  • the crane tracks KB which typically have to support higher and changing loads for the crane function of the arrangement, are preferably made of a material which has higher load capacity and wear resistance than the aluminum preferably used for the individual profiles of the hollow profile.
  • the crane tracks KB can be designed in particular as steel rails.
  • For connecting the crane tracks KB advantageously separate carrier profiles TP are provided, which are positively connected with profiles of the hollow profile, in particular the upper web profiles BPO in particular by telescoping the profiles in the x direction.
  • the crane tracks KB can be fastened on these carrier profiles TP, for example by screwing.
  • the craneways KB are at least approximately above the wall profiles WP of the hollow profile, whereby a particularly advantageous introduction of the held on the crane trolley loads in the hollow profile, in particular in the large extent in the z-direction particularly load-bearing wall profiles WP can be done .
  • the arrangement of the crane tracks KB in the y-direction is preferably such that, when projecting in the z-direction, the crane tracks KB overlap at least partially with the wall profiles WP of the hollow profile.
  • the modular structure of the hollow profile by a plurality of circumferentially around the suction channel SK consecutive sub-profiles, in particular with at least one subdivision of the hollow profile in the z-direction junction advantageously allows a simple way a variation of the cross section of the hollow profile, in particular its vertical extent.
  • FIG. 5 an arrangement is sketched for this, in which the side walls of the hollow profile are formed by two similar wall profiles WP-O, WP-U arranged one above the other and connected to one another via a connection profile WZ.
  • the hollow profile can be used in the smaller overall height outlined in FIG.
  • the profile system of the individual sub-profiles thereby allows an advantageously flexible construction of the crane arm.
  • Fig. 5 only one half of the cross section of the crane arm is shown. It can also be arranged one above the other more than two wall profiles.
  • Fig. 6 shows an embodiment in which, in contrast to the arrangement of FIG. 3, the suction carriage is not guided on the tracks of the lower rail profiles BPU, but on the tracks LO, LU of the upper rail profiles BPO.
  • the roller carrier RTH is accordingly designed in the z-direction with a greater initial extent.
  • Fig. 7 a further variant of a guide of the rollers of the suction carriage is shown, in which the career structures of the upper web profiles BPO and the lower web profiles BPU cooperate in such a way that the mutually assigning raceway structures LU of the upper web profile guides for the upper rollers RO and the contact surfaces of the upper track structures LO of the lower rail profile BPU form guides for the lower rollers RU of the roller arrangements of the suction carriage.
  • Fig. 7 additional profiles FP, DP are shown, which have mutually identical cross-sections and can hedge, for example, as Railprofile FP in hollow chambers of the rail profiles BPU, BPO or can be arranged as supplementary profiles DP on the outer sides of the rail profiles BPU or BPO to there more To take over functions.
  • Fig. 8 shows a crane trolley KK on the crane arm.
  • a hoist such as a winch attached, which allows motorized lifting and lowering loads LA.
  • the crane mounting plate is connected via vertical support structures KT with a crane roller assembly KR, which on the cranes located at the top of the crane crane KB. supports. Due to the high load capacity of the crane tracks, the hoist of the crane trolley can lift large loads of up to several tons.
  • the trolley is advantageously additionally guided laterally, it being possible advantageously for such guidance to be effected by the carriage runways WB of track profiles, preferably the lower track profiles BPU of the hollow profile of the crane arm.
  • roller arrangements with upper rollers TRO and lower rollers TRU are arranged on the support struts KT of the crane trolley, which are in engagement with the roller conveyors LO or LU such carriage tracks.
  • this is preferably equipped with its own engine KM.
  • this engages analogous to the drive of the suction carriage in a counter element such.
  • B a chain KE by means of a gear ZT.
  • gear ZT of the motor KM and gear ZR of the suction motor SM can engage in the same counter element without interfering with each other.
  • the chain KE is advantageously in its course along the crane arm safely in the recess below the gears ZR, ZT a.
  • suction devices can be connected to the crane arm in a conventional manner, for example with pipes fastened to the crane arm or the supporting structure of the crane arm a plurality of openings for the general room air extraction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

L'invention concerne un système de grue muni d'un dispositif d'aspiration. Le bras de grue (KA), sur lequel repose un chariot porte-palan (KK) mobile dans la direction longitudinale, est réalisé sous la forme d'un profil creux, l'espace intérieur de ce dernier étant utilisé en outre comme canal d'aspiration (SK) du dispositif d'aspiration. A cet effet, le profil creux présente sur la face inférieure une ouverture en forme de fente qui peut être fermée par des joints à lèvres (LD) et dans laquelle peut pénétrer un embout d'aspiration d'un chariot d'aspiration (SW).
PCT/EP2010/065812 2009-10-23 2010-10-20 Système de grue muni d'un dispositif d'aspiration Ceased WO2011048154A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009044317.7 2009-10-23
DE102009044317 2009-10-23

Publications (1)

Publication Number Publication Date
WO2011048154A1 true WO2011048154A1 (fr) 2011-04-28

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ID=43416498

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/065812 Ceased WO2011048154A1 (fr) 2009-10-23 2010-10-20 Système de grue muni d'un dispositif d'aspiration

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017037442A1 (fr) * 2015-08-28 2017-03-09 Palamatic Limited Appareil et procédé de levage d'articles

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA977602A (en) 1971-12-30 1975-11-11 Patrick F. Cullen Cooling and ventilating system for crane cabs
DE2819194A1 (de) 1977-05-05 1978-11-16 Crane Air Trac Inc Ventilationssystem fuer die zufuhr von luft oder fuer das absaugen von dunst oder rauch
GB2148211A (en) * 1983-10-25 1985-05-30 Samuel Benson Tyre building equipment
DE69215959T2 (de) 1991-05-22 1997-07-24 Kokuho Yokosuka Kk Tragarm für Maschine
DE69223424T2 (de) 1991-02-13 1998-06-04 Plymovent Ab Ein- und ausrückbare bremse am tragarm einer absaugeinrichtung
US6367855B1 (en) * 1999-06-12 2002-04-09 J. Schmalz Gmbh Vacuum manipulation apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA977602A (en) 1971-12-30 1975-11-11 Patrick F. Cullen Cooling and ventilating system for crane cabs
DE2819194A1 (de) 1977-05-05 1978-11-16 Crane Air Trac Inc Ventilationssystem fuer die zufuhr von luft oder fuer das absaugen von dunst oder rauch
GB2148211A (en) * 1983-10-25 1985-05-30 Samuel Benson Tyre building equipment
DE69223424T2 (de) 1991-02-13 1998-06-04 Plymovent Ab Ein- und ausrückbare bremse am tragarm einer absaugeinrichtung
DE69215959T2 (de) 1991-05-22 1997-07-24 Kokuho Yokosuka Kk Tragarm für Maschine
US6367855B1 (en) * 1999-06-12 2002-04-09 J. Schmalz Gmbh Vacuum manipulation apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017037442A1 (fr) * 2015-08-28 2017-03-09 Palamatic Limited Appareil et procédé de levage d'articles

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