EP2895418A1 - Turmdrehkran - Google Patents
TurmdrehkranInfo
- Publication number
- EP2895418A1 EP2895418A1 EP13762991.1A EP13762991A EP2895418A1 EP 2895418 A1 EP2895418 A1 EP 2895418A1 EP 13762991 A EP13762991 A EP 13762991A EP 2895418 A1 EP2895418 A1 EP 2895418A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tower
- boom
- transport position
- jib
- trolley
- 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
Links
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
- B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
- B66C23/342—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic elements
Definitions
- the present invention relates to a tower crane with a telescopic tower and a boom pivotally mounted on the tower, which can be folded into a transport position to the tower.
- Such tower cranes are known for example from the writings EP 1 084 983, EP 2 210 851 or EP 2 377 804 and may be designed in particular as a mobile or mobile cranes, since the crane quickly erect by the telescoping of the tower and the Anklapples of the boom or folds, so that the crane can be spent from place to place of use without longer set-up times, if necessary, to perform only individual lifting tasks.
- the tower consisting of several telescopic sections can be telescopically copied for transport purposes and placed on the superstructure in a horizontal orientation, wherein the outriggers pivotably articulated on the tower about a transversely extending pivot axis can be zigzag folded and folded in the folded state to the tower, so that the einteleskop Of tower folded together with the attached folded in zigzag boom is placed as a transport package on the superstructure.
- the tower which has still been telescoped, is erected with the boom folded up and then telescoped out in the erected position.
- the tower of the boom is unfolded and placed in a tower approximately perpendicular to the projecting or optionally pointed upward working position, the unfolding or erecting the boom can be done on its bracing.
- the trolley can be parked at the end of the articulated boom directly articulated to the tower, so that the trolley comes to rest in the folded transport position in the region of the tower base, where the tower may have a rejuvenation towards the Aufwippachse of the tower, in the area of the trolley can be stowed, so to speak.
- the trolley in the transport position is arranged or parked in the area between the jib and the tower base, the trolley may collide with the outer contour of the tower telescope parts when the tower is telescoped out, which usually takes place before the jib is folded apart, since the trolley together with the trolley Auslegeranlenkteil when Austeleskopieren the tower in Turmlssensraum along the tower circumference side driven along or pulled along.
- Such a collision problem arises here not only for said trolley itself, but also for other Hubstoffanbauten such as crane hooks or hoist rope deflection rollers projecting from the Anschteil or other boom parts in the folded transport position towards the tower, as well as for the boom itself, For example, in the range of transverse webs or other contour levels.
- the present invention has the object to provide an improved tower crane of the type mentioned, which avoids the disadvantages of the prior art and further develops the latter in an advantageous manner.
- a special compact transport position to be achieved without buying this by collision problems when Austeleskop Schl.
- a collision-free Austeleskop Schlieren the tower is to be made possible by simple means.
- the boom can be folded in the transport position completely or without regard to the telescoping of the tower, while on the other hand, the boom, in particular whose jib attachment piece no longer has to slide or roll off the tower telescope directly on the tower, but instead is moved past the tower by a sufficient gap therefrom.
- Existing free spaces can be utilized better than before for larger system dimensions, in particular, the statically effective system cross section of the boom link can be further increased and optimized. In addition, crushing points for lifting or trolley cables can be easily avoided.
- the trolley and possibly a load hook positioned thereon are positioned on the jib attachment part, which is pivoted on the tower and folded into the transport position on the peripheral side of the tower, this trolley and the load hook positioned thereon usually projects towards the tower, so that it is favorable if the tower profile in the area of the thus-parked trolley has a taper or a recess such as a sufficiently large bar support recess into which the trolley can reach, so that the boom can be completely folded despite the projecting trolley to the tower.
- the trolley can be parked at the appropriate point of the boom, which point of the said cross-sectional taper is opposite.
- the tower can comprise a cross-sectional tapering extending to the tipping axis of the turret on a tiller foot part, for example such that the tiller foot part tapers towards the turret axis, so that advantageously the trolley in the transport position of the cantilever in this footpart side cross Cut in taper of the Turmfußteils can retract.
- the tower in the tower longitudinal direction in the fully folded transport position of the boom to the tower projecting jib attachment parts such as the aforementioned trolley or other Hubschanbaumaschine can be located within a surrounding the tower envelope contour, which is determined by the maximum tower diameter or the maximum tower cross-sectional extension and peripheral contour while in the splayed Teleskopier ein the jib said protruding attachments are outside of said envelope contour, so that the tower can be telescoped out without the said projecting attachments collide with the tower contour.
- the boom can be completely formed free of sliding or roller guides, which would lead the boom at Turmteleskop Schlieren the tower.
- the boom is freely cantilevered from the tower part, on which the boom is articulated, so that the boom has no connection with the other tower parts.
- sliding or roller guide parts would indeed be possible, for example, to provide additional security or in case of failure of the Absp Schwarzstellstoff a Turmteleskopieren to allow, but a major advantage of said Absp Schwarzstell medium is that can be dispensed with such complementary sliding or roller guide means.
- the Absp Schwarzstellstoff mentioned may in principle be designed differently, the Absp Schwarzstellstoff advantageously spread the boom relative to the Turmteleskopteil on which the boom is pivotally mounted, ie said Absp Schwarzstellstoff on the one hand on the boom and on the other hand on said Turmteleskopteil on which the boom mounted pivotally is.
- the diverting means can in this case be mounted on the tower itself, or can also be attached to the boom to be despreaded, or on both, ie on the tower and attached to the boom. In particular, the diverting means can be attached to the tower head part.
- said Absp Schwarz toosmittel are effective with respect to the longitudinal axis of the door transverse pivot axis about which the boom between transport position and working position is pivotable, said pivot axis may be in particular a rocking axis of the boom relative to the tower.
- the boom can thereby be mounted only uniaxially pivotable on the tower part, while can be dispensed with additional folding or pivoting axes between boom and tower. Although such additional folding or pivoting axes between boom and tower can be dispensed with, they can nevertheless be provided.
- the boom may be articulated via a link arrangement, for example in the form of a parallel and / or triangular linkage system on the tower to perform the desired Ausklapp- or extension movement relative to the tower can, for example, such that the boom pushed away only parallel to the tower and then spread open or unfolded.
- a link arrangement for example in the form of a parallel and / or triangular linkage system on the tower to perform the desired Ausklapp- or extension movement relative to the tower can, for example, such that the boom pushed away only parallel to the tower and then spread open or unfolded.
- the aforementioned uniaxial, pivotable linkage which combines a simple design with high stability.
- Said spread telescopic position can be in particular an intermediate position of the boom between its fully folded to the tower transport position and the swiveled away from the tower work position.
- said Absp Drettik can be arranged on the tower head, which carries the pivot bearing or the hinge means, for example in the form of an end face Anlenkbocks for the boom or, which said Absp Schwarzstellstoff can be arranged in particular frontally on the tower head to the Einteleskopieren the tower head not to hinder.
- the Absp Schwarzstellstoff mentioned are advantageously arranged in the region of the pivot axis of the boom, but spaced therefrom depending on the design of the Absp Schwarzstellstoff.
- said Absp Dretti medium could include a hydraulic rotary motor, the tower head and boom can rotate relative to each other about the boom pivot axis.
- said Absp Schwarzstellstoff also include a variable length actuator, for example in the form of a pressure cylinder or a press that advantageously acts on the one hand on the tower head and on the other hand engages the boom, each spaced from the boom pivot axis.
- a variable length actuator for example in the form of a pressure cylinder or a press that advantageously acts on the one hand on the tower head and on the other hand engages the boom, each spaced from the boom pivot axis.
- Absp Dahlgren a hydraulic press, which is spaced apart from the boom pivot axis between the tower and boom seconded acting to absprizen the boom in the already mentioned manner in the telskopierwolf from the tower.
- the Absp Schwarzstellstoff may be such that they are only in control engagement with the boom and / or with the tower when the boom is in the transport position or between transport position and intended telescopic position, while the Absp Schwarzstellstoff either from Outrigger or can get out of the tower or from both components except actuating engagement, when the boom is spread apart beyond the Teleskopierwolf also or is pivoted to the intended working position.
- said Absp Schwarzstellstoff comprise a movable, in particular extendable from a pressure cylinder unit punch, which is against a stop member on the boom - without mounting the Anenkstoff on the boom against a stop on the tower - mobile to the boom from the tower wegzuspreizen.
- the Absp Schwarzstellstoff mounted on the tower head part, so that they fall out of the boom when unfolding the boom in the working position.
- said Absp Schwarzstellstoff are therefore not intended to spend the boom completely in its working position or said Absp Schwarzstellstoff are not formed by the Aufrichtstoffn, by means of which the boom is moved from its folded or folded transport position in its working position.
- the mentioned Ausklapp Novartis, a conventional manner as well as hitherto, for example, from the bracing or the guy ropes for the boom, for example, in sufficiently far Austeleskopieren the tower of the boom in its intended working position, in particular in a horizontal or optionally further raised working position is brought.
- the Absp Schwarzstellstoff for spreading of the boom in the Teleskopierstel- ment and the Ausklapp- or on richtm means for bringing the boom in the working position can be formed separately from each other.
- the Absp Schwarzstellstoff could also be firmly articulated on the tower and the boom, but a include corresponding freewheel, so that the boom on the telescopic position out under freewheeling of the Absp Schwarzstellstoffs in the working position can be brought, so that the Absp Schwarzstellstoff not hinder this further movement.
- This could be realized for example by means of a telescoping piston rod or a piston sitting on the piston rod floating a corresponding pressure medium unit.
- the telescoping position effected by the despreading means can provide a more or less large cantilever angle of the cantilever as long as the canting is sufficiently large to permit collision-free removal of the tower allow.
- the boom can be pivoted in its telescoping position relative to the folded transport position to the tower at a spread angle of about 0.5 ° -20 °, preferably about 1 ° -10 °.
- the said spread angle relative to the transport position also corresponds to the spread angle of the boom relative to the longitudinal axis of the turret.
- the parallelism of the longitudinal axes of Auslegeranlenk Republic and the tower in the folded transport position is particularly advantageous, but not essential, so that the boom can diverge in the fully folded transport position with its longitudinal axis also a few degrees from the door longitudinal axis.
- the boom may comprise a plurality of jib parts, which can be folded together in the transport position and / or pushed together and / or relative to each other, so that reduces the boom length in the desired manner for the transport position.
- a plurality of zigzag or meandering hinged together cantilever parts may be provided which lie in the folded transport position respectively one above the other or together and extend together on a peripheral side of the fauxteleskop faced tower.
- the spreading-out means can advantageously be designed in such a way that the jib is in the telescoping position. ment by the Absp Schwarzstell medium only spread so far from the tower that with vertical tower the boom parts from their folded position driven solely by gravity can be folded apart. This can be achieved in particular by the fact that the spread of the boom from the tower in the telescoping position is limited so that with vertical tower the center of gravity of the boom arms hinged to the other boom parts - possibly only a boom or possibly even more boom parts - on the side remote from the Auslegeranschteil Side of the boom pivot axis is located, which boom pivot axis connects said boom link with the associated boom part.
- the force of gravity if necessary after appropriate unlocking drives apart the jib parts, so that they can be brought into the working position in the usual way on the guy ropes or the bracing.
- Absp Schwarzstellstoff can also be controlled so that after reaching a predetermined Turmteleskopierphase the spread angle is reduced again, for example, if larger, effective only in the initial phase of Turmteleskopierens obstacles on the tower contour of Boom are already run over.
- the Absp Schwarzstellstoff are automatically controlled depending on the Turmteleskopiervorgangs.
- a Teleskopier horr- device for controlling the Turmteleskopiervorgangs may in particular be such that before and / or when pressing the Teleskopierantriebs for telescoping the tower automatically the Absp Schwarzstellstoff be actuated, so that the boom is automatically spread during telescoping of the tower from the tower in the Teleskopierwolf.
- FIG. 1 shows a schematic representation of a tower crane according to an advantageous embodiment of the invention, wherein the tower crane is shown during Aufrichtreaes with already austeleskopiertm tower when unfolding or erecting the boom,
- Fig. 2 a schematic side view of the tower and the applied thereto
- FIG. 3 shows a detail of an enlarged view of the pivotable articulation of the cantilever on a tower head part and the spreading-off means provided on the tower head part for spreading the cantilever into the telescoping position shown in FIG.
- the tower crane 1 can be designed as a mobile or mobile crane, which comprises an undercarriage 16 designed as a truck, which, for example, cf. Fig. 1, supported for crane operation on support legs 17 and can be leveled. If the crane is designed as a sub-rotator, as shown in FIG. 1, can sit on said undercarriage 16 rotatable about an upright axle superstructure 18, on the one hand the tower 2 of the tower crane 1 is supported and on the other hand, the usual crane units such as winches, hydraulic supply or ballast weights and the like may be arranged.
- the tower 2 is articulated pivotably on said superstructure 18 about a horizontal rocking axis 19, so that the tower 2 can be stored in the horizontal state in a lying position on the superstructure and optionally additional Abstützept 20 on the undercarriage 16.
- a boom 3 is articulated, which may extend approximately horizontally in the intended working position, but may also be designed as a tiltable luffing jib.
- the tower 2 and the boom 3 can be braced in a conventional manner by tower and boom bracing 21 and 22 respectively.
- the boom 3 can be composed of a plurality of jib parts 3 a, 3 b and 3 c, which according to the drawn embodiment can be folded in a zigzag manner, but if necessary can also be pushed into one another or moved together in another way.
- Hubschanbauten 4 may be provided, which may for example comprise a trolley 5 and / or a load hook 6, see. Fig. 1. Regardless of the transport position, said Hubschanbauten 4 can be positioned during telescoping in different positions along the boom 3 and possibly locked, in Fig. 1, the trolley is shown on the projecting end of a first jib portion 3a. As I said, however, another position for the trolley 5 can be selected during the telescoping process.
- the aforesaid tower can be composed of several tower telescope parts 2a and 2b and be telescopic, so that the said tower telescope parts can be pushed into one another, wherein the telescoping or collapsibility, however, possibly also by other L jossverschiebles the tower parts can be realized to each other.
- the turret telescope parts are successively extendable from the tower foot part 2b, it also being possible, if appropriate, to provide the telescope parts successively to be able to exit the top of the tower 2a.
- the suitably provided Teleskopieran- drive can in principle be designed differently, for example by cables arranged inside, or advantageously by hydraulic cylinders in the interior of the tower. 2 As shown in FIG.
- the boom 3 more precisely whose jib attachment part 3a is articulated by means of a Anschbocks 23 on the tower head 24 pivotally about a horizontal transverse axis 10, which Anschbock 23 frontally mounted on the tower head 24 is rigid.
- FIG. 2 a shows, the boom 3 in folded state substantially completely or flush to the Grahamteleskop investigating tower 2 by pivoting about said pivot axis 10 are folded so that the Auslegeranlenkteil 3a extends approximately parallel to the tower longitudinal axis and at the outer peripheral surface of the tower 2 is present.
- the printing cylinder 9 can be articulated on the tower head 24, possibly articulated and with its extendable punch 12 against drive a stop member 11 on the boom 3, whereby the boom 3 with respect to the tower 2 can be pivoted a bit far, see. Fig. 2b.
- the diverting means 7 can also interact with a handlebar geometry.
- a link geometry may comprise a linkage arrangement, for example in the form of a parallel and / or triangular linkage system, by means of which the boom is connected to the tower and / or the diverting means 7 are connected to the tower and / or the boom.
- the boom 3 can be pivoted by a Absp Dreckwinkel ⁇ , for example, 1 ° -10 ° relative to the tower longitudinal axis, said Absp Dahlwinkel ⁇ is particularly dimensioned such that collisions of collision-prone parts on the boom 3 such as the trolley 5 is avoided with the tower 2 when Turmteleskopieren.
- said spread angle ⁇ is advantageously so small that the boom 3 can be unfolded in a manner known per se with the aid of gravity and the boom bracing 22, as shown in FIG.
- the center of gravity of the zigzag folded cantilever parts 3b and 3c hinged to the boom follower part 3a may be beyond the interjacent kink axis 14, i. a vertical through said center of gravity 13 of the jib parts 3b and 3c is shown in Fig. 2c right of the boom pivot axis 14th
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012018111.6A DE102012018111A1 (de) | 2012-09-13 | 2012-09-13 | Turmdrehkran |
PCT/EP2013/002745 WO2014040737A1 (de) | 2012-09-13 | 2013-09-12 | Turmdrehkran |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2895418A1 true EP2895418A1 (de) | 2015-07-22 |
EP2895418B1 EP2895418B1 (de) | 2018-04-25 |
Family
ID=49209318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13762991.1A Active EP2895418B1 (de) | 2012-09-13 | 2013-09-12 | Turmdrehkran |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2895418B1 (de) |
DE (1) | DE102012018111A1 (de) |
WO (1) | WO2014040737A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104944301B (zh) * | 2015-06-10 | 2017-01-04 | 南京工业大学 | 一种折叠式快速安装塔机 |
DE102016109004A1 (de) | 2016-05-17 | 2017-05-04 | TECHNOLOG GmbH Handels- und Beteiligungsgesellschaft für Technologie | Schwimmkörper |
DE102016015385A1 (de) * | 2016-12-22 | 2018-06-28 | Liebherr-Werk Biberach Gmbh | Kran mit Abklappausleger |
CN110631863B (zh) * | 2019-10-21 | 2024-10-29 | 中国市政工程华北设计研究总院有限公司 | 可遥控的多深度水样采集装置 |
CN113107100B (zh) * | 2021-04-14 | 2022-09-02 | 北京崇建工程有限公司 | 一种塔吊预埋节的调平方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2252279A1 (en) * | 1973-11-23 | 1975-06-20 | Cadillon Sa | Folding tower crane jib erection system - has tie rope from tailweight jib always held taut by sliding crossbeam |
FR2761971B1 (fr) * | 1997-04-11 | 1999-05-28 | Potain Sa | Grue a montage automatise a fleche pliable, avec repliage lateral pour transport |
DE29819058U1 (de) * | 1998-10-26 | 2000-03-16 | Liebherr-Werk Biberach GmbH, 88400 Biberach | Unten drehender Turmdrehkran |
ATE307777T1 (de) | 1999-09-17 | 2005-11-15 | Liebherr Werk Biberach Gmbh | Turmdrehkran |
ITMI20010116A1 (it) * | 2001-01-23 | 2002-07-23 | San Marco Internat S R L | Gru a torre a struttura composita automontante con torre ripiegabile e sfilabile e braccio a piu' porzioni |
DE102009005237A1 (de) | 2009-01-21 | 2010-07-29 | Liebherr-Werk Biberach Gmbh | Turmdrehkran |
DE102010014887A1 (de) | 2010-04-14 | 2011-10-20 | Liebherr-Werk Biberach Gmbh | Mobilkran, insbesondere Mobilbaukran |
CN101962156B (zh) * | 2010-10-18 | 2012-04-04 | 南京工业大学 | 一种可折叠快装塔机 |
-
2012
- 2012-09-13 DE DE102012018111.6A patent/DE102012018111A1/de not_active Withdrawn
-
2013
- 2013-09-12 WO PCT/EP2013/002745 patent/WO2014040737A1/de unknown
- 2013-09-12 EP EP13762991.1A patent/EP2895418B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014040737A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014040737A1 (de) | 2014-03-20 |
DE102012018111A1 (de) | 2014-03-13 |
EP2895418B1 (de) | 2018-04-25 |
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