EP0048076A1 - Fahrbare Kranstruktur - Google Patents

Fahrbare Kranstruktur Download PDF

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Publication number
EP0048076A1
EP0048076A1 EP81302612A EP81302612A EP0048076A1 EP 0048076 A1 EP0048076 A1 EP 0048076A1 EP 81302612 A EP81302612 A EP 81302612A EP 81302612 A EP81302612 A EP 81302612A EP 0048076 A1 EP0048076 A1 EP 0048076A1
Authority
EP
European Patent Office
Prior art keywords
crane
trailer
outriggers
crane body
crawler
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.)
Withdrawn
Application number
EP81302612A
Other languages
English (en)
French (fr)
Inventor
Talford S. De Cuir
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.)
American Hoist and Derrick Co
Original Assignee
American Hoist and Derrick Co
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 American Hoist and Derrick Co filed Critical American Hoist and Derrick Co
Publication of EP0048076A1 publication Critical patent/EP0048076A1/de
Withdrawn legal-status Critical Current

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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
    • B66C23/62—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
    • 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
    • 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
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes

Definitions

  • This invention relates to a very high capacity crane apparatus of the type which are transportable on the highway from job site to job site and which may be operated as a mobile crane and as a stationary crane.
  • a company known as Sparrows International of Houston, Texas offers to the trade a crane construction which it designates as the GOTTWALD MOBILE CRANE, which utilizes the concept of outriggers for supporting a crane.
  • the Gottwald Mobile Crane is sometimes referred to as the Gottwald MK 600.
  • it teaches nothing concerning the use of a trailer for assisting in the transport of the crane body and subsequent use of the trailer as auxiliary counterweight. Neither does it teach the use of crawler means in association with or attached to the outriggers, nor the use of a crawler as a front auxiliary outrigger as disclosed in the present application.
  • one embodiment of the invention includes a highway-transportable crane having a crane body having means for pivotally supporting a boom thereon. Means are attached to a forward portion of the crane body for detachably connecting a transport vehicle such as a truck tractor thereto and for support thereby during transport thereof.
  • a trailer is detachably con-. nected to a rearward portion of the crane body and adapted for supporting the crane body thereon during transport.
  • the trailer has hydraulic power means for rotating the wheels to alternately track in a longitudinal direction and in a transverse direction.
  • the crane body has attached thereto and supported therebelow an outrigger support body which is arranged for rotation relative to the crane body about a generally vertical axis.
  • the crane includes a plurality of outriggers detachably connected to the outrigger support body and extending generally horizontally therefrom.
  • Each of the outriggers is provided with vertically extendable and retractable ground support means for raising and lowering the outriggers, the outrigger support body and the crane body.
  • the crane body is supported on the transport vehicle and on the trailer and when the outriggers are attached to the outrigger support body and the ground support means operated to raise the outrigger support body and the crane body, the trailer and support vehicle may be detached from the crane, with the crane then being in one of its operating modes.
  • powered crawler means may be rotatably attached to and support a forward portion of the crane body after the transport vehicle has been detached, such that the powered crawler means acts as a powered auxiliary outrigger for supporting a portion of the load carried by the crane body and for assisting in the rotation of the crane body.
  • the outriggers may be supported on a pair of powered crawler means, whereby the entire crane becomes mobile along with the auxiliary outrigger and the auxiliary counterweight.
  • Another embodiment of the crane includes a crane body having means for pivotally supporting a boom thereon, and, as desired, a mast.
  • An outrigger support body is connected to the crane body for relative rotation therewith about a generally ver-- tical axis.
  • the crane includes at least two pairs of outriggers attached to the outrigger support body. Each of the outriggers has vertically extendable and retractable ground support means connected thereto.
  • Powered crawler means are connected between and support each of the aforesaid pair of outriggers whereby the crane is fully mobile and capable of transporting a load when the ground support means are raised from contact with the ground.
  • the crane may be placed in a stationary position for raising a load when the ground support means are in contact with the ground.
  • additional powered crawler means may also be rotatably attached to and supporting a forward portion of the crane body to provide an auxiliary outrigger which is adaptable for providing mobility and rotation to the crane body.
  • a boom and mast may both be attached to the crane body along with the aforesaid counterbalance trailer for adapting the crane to extremely heavy lifting and wherein the crane may still be operated in a mobile mode.
  • the same may be adapted for conversion to operating in a guy derrick mode or a jib crane mode as desired.
  • a portable crane is generally designated by the numeral 11 having the rearward end thereof attached to and supported on a sixteen- wheeled auxiliary counterweight trailer 12 and the forward end or crane body hitch 29 is connected to and supported on a transport vehicle in the form of a tractor truck 13.
  • the crane includes a crane body 14, the overall width of which may be on the order of ten feet and the height of which may be on the order of thirteen to fourteen feet such that the same is highway transportable.
  • Crane body 14 has attached therewith and suspended therebelow outrigger support body 15.
  • Outrigger support body 15 is supported for rotation about a vertical axis relative to crane body on bull ring gear bearing 16, by means of one or more hydraulic motors 21 mounted in crane body 14.
  • Outrigger support body 15 has a plurality of radially extending bores generally rectangular- in cross-section, which bores are designated by the numerals 25 and which are adapted for detachably connecting outriggers, as will be described hereinafter.
  • Crane body 14 also has pivotally supported thereon conventional boom inner 17 and mast inner 18. It is to be understood that in certain instances the words boom and mast may be interchangeably used when only one of the two is in use or operation of the crane of this invention.
  • crane body 14 has attached thereto and supported thereon . conventional gantry 19, which is adapted for raising and lowering by means of cylinder assembly 20.
  • Crane body 14 has supported thereon operator cab 22 mounted on a pivotal support 23 by means of cab pivot 24.
  • Transport vehicle 13 is provided with a fifth wheel 26 which is adapted for engagement by trailer hitchpin 27 of conventional design.
  • Counterweight trailer has sixteen wheels 28, each of which are pivoted by power means such that the wheels 28 may be aligned longitudinally with trailer 12 for movement in a longitudinal direction or may be rotated transversely for movement in a transverse direction.
  • a trailer of this general type with such rotatable wheels is generally taught in U.S. Patent No. 3,842,984. Wheels 28 may also be powered by a hydraulic motor, so as to provide locomotion to trailer 12 as desired, such that it is a powered vehicle.
  • Crane body 14 is shown having supported therein diesel engine 30 connected and adapted through conventional pulley means for operating hydraulic pump 31 from which hydraulic power may be taken as by hydraulic lines to operate various hydraulic motors to facilitate operation of the crane, as will be described hereinafter.
  • Crane body 14 is shown supporting a split drum generally designated by the numerals 32-32, each of which is operated by a hydraulic motor 33, the power source of which comes from hydraulic pump 31 via hydraulic lines.
  • Split drums 32 are generally utilized for operating the load block, and by being split, both ends of the load line may be taken up, thereby increasing the speed with which loads may be raised and lowered.
  • jib drum 34 Spaced immediately rearward of split drums 32 is jib drum 34 which has wound thereon cable for operating a fly jib, for example, and is operated by hydraulic motor 35 supplied by hydraulic lines connected to pump 31.
  • boom suspension drum 36 which has wound thereon line for controlling the boom in certain configurations of the crane and is similarly operated by hydraulic motor 37.
  • another drum designated by the numeral 38 Immediately rearward thereof is another drum designated by the numeral 38 and may sometimes be described as a gantry, mast, boom guy- line drum as the need arises and may have two separate lines wound thereon for operating any of those elements.
  • Drum 38 is arranged for operation by hydraulic motor 39.
  • hydraulic pump 31 provides power for rotating crane body 14 relative to outrigger support body 15 as well as the telescoping outriggers, the crawler means hereinafter described, and trailer 12, again by connection of hydraulic lines in conventional fashion.
  • the power system of this crane may sometimes be described as being operated on the diesel hydraulic principle.
  • Figs. 3, 4 and 5 setup and operation of the crane of this invention as a standard lifting crane will now be explained.
  • hydraulically- extendable and telescoping outriggers 41 are inserted and pinned in bores 25 of outrigger support body 15.
  • Each of the outriggers 41 is provided with hydraulically- extensible means in the form of outrigger extensions 42, whereby the length of outriggers 41 may be varied by hydraulically extending or retracting extensions 42.
  • Each of the outrigger extensions 42 has supported on the outwards end thereof vertically aligned hydraulic cylinder assemblies comprising a hydraulic cylinder 43 arranged to operate as a depending pisten 44, the lower ends of which are each adapted for support on an outrigger equalizing pad 45.
  • pistons 44 may be extended, thereby raising outriggers 41, outriggers support body 15 and crane body 14. This raising is continued until crane body 14 is freed from contact with trailer 12 and truck 13, which may then be removed.
  • a mast center 47 and.mast outer 48 may then be attached to mast inner 18, as shown in Figs. 3 and 5 and thereafter raised in conventional manner by operation of gantry suspension 53, with the mast operated as a conventional boom. It is to be understood that when mast center 47, with inner 18 and outer 48 are utilized by themselves, they may sometimes be referred to as a boom, since the same are interchangeable therewith.
  • mast center 47 is shown having supported thereon mast outer 48, the upper end of which is adapted for supporting main load tackle 49 which supports load block 50 and load hook 51.
  • the upper end of mast outer 48 has connected thereto mast suspension 52 which in turn is connected to the upper end of gantry 19.
  • mast center 47 has pivotally attached therewith mast stop 55, the lower end of which is pivotally connected to crane body 14 to limit the rearward movement of mast center 47 as desired.
  • Gantry 19 is arranged for initial raising and subsequent lowering by means of cylinder assembly 20 as described above.
  • the rearward end of crane body 14 may have supported thereon conventional counterweight 56 which may be slabs of concrete or the like.
  • mast center 47 may be raised and lowered or otherwise moved through a vertical arc.
  • load line 57 which is connected to main load tackle 49, load hook 51 may be raised and subsequently lowered with the load thereon.
  • load line 57 may be a double line and arranged for reaving on and off of split drums 32 as explained above.
  • gantry suspension 53 is comprised of a line which is wound on and off of drum 38 as heretofore described.
  • FIG. 6 and 7 an embodiment of the crane is shown wherein it has been converted to a high capacity lift crane by the addition of a boom or another mast and wherein the trailer 12 is converted to an auxiliary counterweight trailer.
  • the rigging for the mast and boom will now be described.
  • a boom center 60 is attached to and supported on boom inner 17, which has attached to the upper end thereof boom outer 61.
  • Boom suspension 62 is attached to the boom outer 61 and to mast outer 48 such that boom center 60 may be raised and lowered through a vertical arc lying in the same plane of rotation as mast center 47, which movement is effected by boom line 63.
  • mast and boom are both arranged for independent pivotal movement through vertical arcs lying in the same general plane by operation of gantry suspension 53 which operates on mast suspension line 52, and by operation of boom line 63 which operates boom suspension 62.
  • load tackle 49 and load block 50 are suspended from boom outer 61 as shown in Fig. 7.
  • auxiliary trailer 12 with the longitudinal axis thereof generally transverse to the longitudinal axis of crane body 14, as shown in Figs. 6 and 7 with wheels 28 thereof aligned for longitudinal travel by the trailer.
  • Trailer 12 may have supported thereon additional auxiliary counterweight 64 in the form of concrete slabs or the like.
  • Trailer 12, in this mode of operation, is connected to crane body 14 by means of an extendable bridge frame 65 having pins for attachment to each side of crane body 14 for attachment thereto in variable extended positions. The other end of bridge frame 65 is attached to trailer 12.
  • Trailer 12 is connected by connector 66 to counterweight pendant 67, the upper end of which is attached to mast outer 48.
  • boom center 60 and boom outer 61 are attached to boom inner 17 with load tackle 49 suspended from the upper end of boom outer 61.
  • Boom suspension 62 is connected between boom outer 61 and mast outer 48 and the mast and boom are raised by taking in on gantry suspension 53 and boom line 63.
  • a load may be raised by taking in on load line 69.
  • auxiliary trailer 12 is shown moved rearwardly a substantial distance by the extension of bridge frame 65, which is pinned to the side of crane body 14.
  • outrigger extensions 42 are retracted with pistons 44 of cylinders 43 being supported on somewhat smaller pads 71.
  • crawler means in the form of a crawler 72 having a pair of contra-rotating crawler tracks 73 and 74.
  • crawler tracks 73 and 74 are operated in conventional fashion by hydraulic motors connected to hydraulic pump 31.
  • crawler 72 may have a vertically adjustable fifth wheel 75 for engagement with hitch pin 27, such that crawler 72 acts not only as an auxiliary outrigger but in the embodiment shown in Fig. 8 can assist in swinging crane body 14 a full 360 degrees while a load is supported on the crane body.
  • connection of crawler 72 may be accomplished by raising crane body 14 by operation of cylinders 43 connected to outriggers 41 followed by the positioning of crawler 72 as shown and thereafter lowering crane body 14 into contact therewith.
  • the connection may be made by means of the hydraulically-adjustable fifth wheel 75 on crawler 72.
  • a pair of contra-rotating crawlers 76 are shown attached as by pinned connection 77 to outriggers 41, as shown.
  • this attachment can be made by initially raising crane body 14 by operating pistons 44, the attachment then made, and thereafter crane body 14 lowered by retracting pistons 44 to the point that pistons 44 are fully retracted and crane body 14 is then supported by contra-rotating crawlers 76.
  • crawlers 76 are operated by hydraulic motors in conventional fashion connected to a source of hydraulic fluid in the form of hydraulic pump 31.
  • wheels 28 of trailer 12 are rotated such that they are now positioned transverse to longitudinal axis of trailer 12 whereby the crane is now fully mobile in both forward and backward directions and for turning purposes.
  • the crane is fully mobile, both with and without a load, and having a very high capacity when loaded.
  • the rigging of the boom and mast will be substantially the same in the Fig. 9 embodiment as in the Fig. 8 embodiment.
  • a further alternative embodiment of the crane is shown which is generally similar to the Fig. 9 embodiment, except that a second auxiliary counterweight trailer has been added, which is designated by the numeral 79.
  • Trailer 79 is generally similar to trailer 12 and is supported on eight wheels 80 which are operated in the same manner as wheels 28 of trailer 12. That is to say, that in highway transport it may be connected to the rearward end of trailer 12 with wheels 80 longitudinally aligned for highway travel.
  • trailer 79 as an auxiliary counterweight, the same is connected to the side of trailer 12 by connector 81 such that in rotation of crane body 14, trailers 12 and 79 are arranged to traverse a circle and to provide additional counterweight for the crane.
  • connector 66 is connected at the lower end to alternate connector lug 82 so as to place the same in the center of gravity of the two trailers 12 and 79, as shown in Fig. 10.
  • Wheels 28 and 80 are longitudinally aligned as shown in Fig. 11.
  • Crawler 72 is rotated to the transverse position as shown in Fig. 12.
  • the crane is equipped to make very heavy lifts and for 360-degree rotation, and with crawler 72 arranged for assisting in the rotation and with crawlers 76 in position supporting outriggers 41.
  • the boom and crane arrangement is the same as with the prior embodiments except with respect to the location of connector 66 as discussed above.
  • Figs. 13 and 14 an embodiment of the invention will be described wherein it is arranged for making an ultra high capacity lift wherein the crane support system is stationary, but crane body 14 may be rotated slightly for adjustment purposes.
  • the crane is essentially the same as that described with respect to Figs. 10, 11 and 12 embodiment, except that outrigger extensions 42 are fully extended, with the outer ends thereof now supported on pads 45.
  • outrigger extensions 42 are fully extended, with the outer ends thereof now supported on pads 45.
  • the weight of crane body 14 and any load supported thereon is, in turn, supported on outriggers 41 through extensions 42 and pads 45 and on crawler 72 acting as an auxiliary outriggers.
  • the support members for crane body 14 are immobile, but crane body 14 may be rotated slightly by operation of crawler 72 to make small adjustments in the swinging position of crane body 14, which may be useful or desirable in carrying out certain lifting operations.
  • crawler 72 the boom and mast operation of this embodiment will be generally the same as with the prior embodiment.
  • the crane is placed in its maximum lifting capacity, but still has rotational ability within small limits for adjustment purposes.
  • Fig. 14 shows one method by which crawlers 76 may be driven, as by chain drive 84 coupled over appropriate sprockets and operated by a hydraulic motor, as heretofore described. It is to be understood that crawler tracks 73 and 74 are similarly contra-rotatable, as is well known to those skilled in the art.
  • a guy cap 85 is shown attached to the upper end of mast outer 48 for rotation therewith.
  • Guy cap 85 has a plurality of guy lines 86 attached therewith in conventional fashion.
  • Mast center 47 has added thereto mast extensions 87.
  • mast center 47 is raised upwardly to the point that guy cap 85 is positioned over the center line of rotation of crane body 14 as shown.
  • guy lines 86 are made fast and mast suspension 52 is let slack.
  • the crane is operable as a guy derrick, and is easily converted to such operations.
  • FIG. 16 an embodiment of the crane is shown where the same has been converted to a very high capacity stationary tower crane which may be also supported on crawlers as will be described hereinafter.
  • crane body 14 is supported on the same suspension system as described with respect to the Fig. 15 embodiment.
  • mast outer 48 has been removed and replaced by mast end 89, which has pivotally attached to the upper end thereof jib 90, the outer end of which is arranged to support load tackle 49.
  • Mast end 89 also supports jib masts 91, over which jib line 92 is trained for raising and lowering jib 90.
  • Jib line 92 is attached to jib pendant 93, the lower end of which is attached to jib suspension 94 for raising and lowering.
  • Jib suspension 94 is operated off of one of the drums in crane body 14.
  • mast center 47 and the other portions of the mast are moved to and held in the upright position through operation of gantry suspension 53 and mast suspension 52.
  • Mast stop 55 is arranged to control the rearward movement of mast center 67 beyond a safe position.
  • the Fig. 16 embodiment provides a very high lift stationary tower crane which is adapted for making lifts at great reach or distances.
  • the crane as shown in Fig. 16 can be converted to a mobile crane by the addition of crawlers 76 as with the Fig. 9 embodiment and by retracting outrigger extensions 42 and disengaging or lifting pistons 44 from engagement with the ground. It will thus be seen that this invention provides a crane which is very versatile and is easily converted to different configurations for carrying out different lifting operations. It is operated on the diesel hydraulic principle which is simple and reliable. It provides a crane which is portable over highways and arranged such that the mast or boom may be interchangeable, such that the crane can work in a number of configurations with ease of assembly and disassembly. Thus arranged, it is a crane which requires low maintenance and can be operated with a minimum of expertise.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP81302612A 1980-08-18 1981-06-11 Fahrbare Kranstruktur Withdrawn EP0048076A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17923680A 1980-08-18 1980-08-18
US179236 1988-04-08

Publications (1)

Publication Number Publication Date
EP0048076A1 true EP0048076A1 (de) 1982-03-24

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Cited By (28)

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GB2122165A (en) * 1982-06-11 1984-01-11 Haulotte Atel Const Supplementary equipment for use with a self-propelled crane with a telescopic jib
DE3339863A1 (de) * 1982-12-24 1984-06-28 VEB Schwermaschinenbaukombinat Takraf -Stammbetrieb-, DDR 7010 Leipzig Bodenabstuetzung, insbesondere fuer krane oder bagger
GB2149750A (en) * 1983-11-12 1985-06-19 Mannesmann Ag Improvements in mobile cranes
FR2565217A1 (fr) * 1984-06-04 1985-12-06 Harnischfeger Corp Grue comportant un support de contrepoids exterieur
US4632262A (en) * 1983-04-22 1986-12-30 Fmc Corporation Crane undecking arrangement
EP0357988A2 (de) * 1988-09-07 1990-03-14 Putzmeister-Werk Maschinenfabrik Gmbh Fahrbare Betonpumpe
US4953722A (en) * 1988-11-09 1990-09-04 The Manitowoc Company, Inc. Crane and lift enhancing beam attachment with moveable counterweight
ES2058015A2 (es) * 1992-06-11 1994-10-16 Aldaz Alberto Munarriz Sistema de monataje autonomo para grua automontante automatica.
EP0989087A1 (de) * 1998-09-11 2000-03-29 Liebherr-Werk Ehingen GmbH Kran, vorzugsweise Derrickkran
EP0997428A1 (de) * 1998-10-29 2000-05-03 Kobelco Construction Machinery Co., Ltd. Kran
WO2000034173A1 (de) * 1998-12-04 2000-06-15 Atecs Mannesmann Ag Kran, insbesondere fahrzeugkran
DE19944927C2 (de) * 1999-09-13 2001-10-25 Atecs Mannesmann Ag Hafenkran, insbesondere Hafenmobilkran für Normal- und Schwerlastbetrieb
EP1209118A1 (de) * 2000-11-22 2002-05-29 Karl Schaeff GmbH & Co. Maschinenfabrik Untergestell und Fahrwerk für einen Unterwagen eines fahrbaren Arbeitsgerätes
US7216774B2 (en) * 2003-10-24 2007-05-15 Kobelco Cranes Co., Ltd. Crane
WO2007056970A1 (de) * 2005-11-17 2007-05-24 Terex-Demag Gmbh & Co. Kg Modularer gegengewichtswagen für krane, insbesondere für grosskrane
US7546928B2 (en) 2006-10-27 2009-06-16 Manitowoc Crane Companies, Inc. Mobile lift crane with variable position counterweight
US7766176B2 (en) 2008-11-11 2010-08-03 Manitowoc Crane Companies, Llc Mobile lift crane with lift enhancing attachment
US7967158B2 (en) 2006-10-27 2011-06-28 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US8225947B2 (en) 2005-09-28 2012-07-24 Terex Demag Gmbh Crane, in particular mobile crane with a narrow track and enlarged supporting base
EP2548964A2 (de) 2008-01-17 2013-01-23 Pioneer Hi-Bred International Inc. Zusammensetzungen und Verfahren zur Unterdrückung von Ziel-Polynukleotiden aus Schmetterlingen
CN104071702A (zh) * 2014-06-26 2014-10-01 徐州重型机械有限公司 一种轴线式起重机
US9278834B2 (en) 2009-08-06 2016-03-08 Manitowoc Crane Group, LLC Lift crane with moveable counterweight
WO2016091206A1 (zh) * 2014-12-11 2016-06-16 徐州重型机械有限公司 轮式起重机及其支撑腿自拆卸、自安装方法
CN108423578A (zh) * 2017-02-13 2018-08-21 易肃 一种牵引式汽车起重机
US10179722B2 (en) 2014-01-27 2019-01-15 Manitowoc Crane Companies, Llc Lift crane with improved movable counterweight
US10183848B2 (en) 2014-01-27 2019-01-22 Manitowoc Crane Companies, Llc Height adjustment mechanism for an auxiliary member on a crane
WO2019050404A1 (en) * 2017-09-08 2019-03-14 Mammoet Engineering B.V. CRANE COMPRISING A FIRST MAST WITH A FIRST TOP PART OF A TILTABLE MAST
CN112635263A (zh) * 2020-12-30 2021-04-09 滁州博杰科技有限公司 一种电磁辅助断路器

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FR1408409A (fr) * 1964-07-22 1965-08-13 Grue mobile
DE1246969B (de) * 1965-09-17 1967-08-10 Beteiligungs & Patentverw Gmbh Autokran, insbesondere fuer den Fertighausbau
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FR2453817A1 (fr) * 1979-04-09 1980-11-07 Harnischfeger Corp Machine convertible a fleche, notamment grue, a infrastructure modulaire
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DE3339863A1 (de) * 1982-12-24 1984-06-28 VEB Schwermaschinenbaukombinat Takraf -Stammbetrieb-, DDR 7010 Leipzig Bodenabstuetzung, insbesondere fuer krane oder bagger
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GB2149750A (en) * 1983-11-12 1985-06-19 Mannesmann Ag Improvements in mobile cranes
FR2565217A1 (fr) * 1984-06-04 1985-12-06 Harnischfeger Corp Grue comportant un support de contrepoids exterieur
EP0357988A2 (de) * 1988-09-07 1990-03-14 Putzmeister-Werk Maschinenfabrik Gmbh Fahrbare Betonpumpe
EP0357988A3 (en) * 1988-09-07 1990-11-28 Putzmeister-Werk Maschinenfabrik Gmbh Mobile concrete pump
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ES2058015A2 (es) * 1992-06-11 1994-10-16 Aldaz Alberto Munarriz Sistema de monataje autonomo para grua automontante automatica.
US6283315B1 (en) * 1998-09-11 2001-09-04 Liebherr-Werk Ehingen Gmbh Crane, preferably a derrick crane
EP0989087A1 (de) * 1998-09-11 2000-03-29 Liebherr-Werk Ehingen GmbH Kran, vorzugsweise Derrickkran
EP0997428A1 (de) * 1998-10-29 2000-05-03 Kobelco Construction Machinery Co., Ltd. Kran
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EP1452477A2 (de) * 1998-10-29 2004-09-01 Kobelco Construction Machinery Co., Ltd. Kran
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WO2000034173A1 (de) * 1998-12-04 2000-06-15 Atecs Mannesmann Ag Kran, insbesondere fahrzeugkran
DE19944927C2 (de) * 1999-09-13 2001-10-25 Atecs Mannesmann Ag Hafenkran, insbesondere Hafenmobilkran für Normal- und Schwerlastbetrieb
US6499611B1 (en) 1999-09-13 2002-12-31 Atecs Mannesmann Ag Mobile harbor crane for normal and heavy load operation
EP1209118A1 (de) * 2000-11-22 2002-05-29 Karl Schaeff GmbH & Co. Maschinenfabrik Untergestell und Fahrwerk für einen Unterwagen eines fahrbaren Arbeitsgerätes
US7216774B2 (en) * 2003-10-24 2007-05-15 Kobelco Cranes Co., Ltd. Crane
US8499945B2 (en) * 2005-09-28 2013-08-06 Terex Cranes Germany Gmbh Crane, in particular mobile crane with a narrow track and enlarged supporting base
US8225947B2 (en) 2005-09-28 2012-07-24 Terex Demag Gmbh Crane, in particular mobile crane with a narrow track and enlarged supporting base
US8162160B2 (en) 2005-11-17 2012-04-24 Terex Demag Gmbh Modular counterweight carriage for cranes, in particular for large crane
WO2007056970A1 (de) * 2005-11-17 2007-05-24 Terex-Demag Gmbh & Co. Kg Modularer gegengewichtswagen für krane, insbesondere für grosskrane
US10336589B2 (en) 2006-10-27 2019-07-02 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US7546928B2 (en) 2006-10-27 2009-06-16 Manitowoc Crane Companies, Inc. Mobile lift crane with variable position counterweight
US8511489B2 (en) 2006-10-27 2013-08-20 Manitowoc Cranes, Llc Mobile lift crane with variable position counterweight
US8827092B2 (en) 2006-10-27 2014-09-09 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US11884522B2 (en) 2006-10-27 2024-01-30 Grove U.S. L.L.C. Mobile lift crane with variable position counterweight
US8985353B2 (en) 2006-10-27 2015-03-24 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US7967158B2 (en) 2006-10-27 2011-06-28 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
EP2548964A2 (de) 2008-01-17 2013-01-23 Pioneer Hi-Bred International Inc. Zusammensetzungen und Verfahren zur Unterdrückung von Ziel-Polynukleotiden aus Schmetterlingen
US7766176B2 (en) 2008-11-11 2010-08-03 Manitowoc Crane Companies, Llc Mobile lift crane with lift enhancing attachment
US10457530B2 (en) 2009-08-06 2019-10-29 Manitowoc Cranes, Llc Lift crane with moveable counterweight
US9278834B2 (en) 2009-08-06 2016-03-08 Manitowoc Crane Group, LLC Lift crane with moveable counterweight
US11261064B2 (en) 2009-08-06 2022-03-01 Manitowoc Cranes, Llc Lift crane with moveable counterweight
US11208303B2 (en) 2014-01-27 2021-12-28 Manitowoc Crane Companies, Llc Lift crane with improved movable counterweight
US10179722B2 (en) 2014-01-27 2019-01-15 Manitowoc Crane Companies, Llc Lift crane with improved movable counterweight
US10183848B2 (en) 2014-01-27 2019-01-22 Manitowoc Crane Companies, Llc Height adjustment mechanism for an auxiliary member on a crane
CN104071702A (zh) * 2014-06-26 2014-10-01 徐州重型机械有限公司 一种轴线式起重机
CN104071702B (zh) * 2014-06-26 2016-04-27 徐州重型机械有限公司 一种轴线式起重机
WO2016091206A1 (zh) * 2014-12-11 2016-06-16 徐州重型机械有限公司 轮式起重机及其支撑腿自拆卸、自安装方法
US10730724B2 (en) 2014-12-11 2020-08-04 Xuzhou Heavy Machinery Co., Ltd. Wheeled crane and self-demounting and self-mounting methods for supporting legs thereof
CN108423578A (zh) * 2017-02-13 2018-08-21 易肃 一种牵引式汽车起重机
WO2019050404A1 (en) * 2017-09-08 2019-03-14 Mammoet Engineering B.V. CRANE COMPRISING A FIRST MAST WITH A FIRST TOP PART OF A TILTABLE MAST
US11180352B2 (en) 2017-09-08 2021-11-23 Mammoet Engineering B.V. Crane comprising first mast with tiltable first mast upper part
CN111094169A (zh) * 2017-09-08 2020-05-01 玛姆特工程私人有限公司 包括具有可倾斜的第一桅杆上部的第一桅杆的起重机
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CN112635263A (zh) * 2020-12-30 2021-04-09 滁州博杰科技有限公司 一种电磁辅助断路器
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