CN100436303C - A mobile crane - Google Patents

A mobile crane Download PDF

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Publication number
CN100436303C
CN100436303C CNB2003801107519A CN200380110751A CN100436303C CN 100436303 C CN100436303 C CN 100436303C CN B2003801107519 A CNB2003801107519 A CN B2003801107519A CN 200380110751 A CN200380110751 A CN 200380110751A CN 100436303 C CN100436303 C CN 100436303C
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CN
China
Prior art keywords
ballast
overweight
promotes
thing
supported
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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.)
Expired - Fee Related
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CNB2003801107519A
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Chinese (zh)
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CN1878721A (en
Inventor
J·罗登布格
D·B·威杰宁
A·德兹瓦特
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Huisman Equipment BV
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Itrec BV
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Publication of CN1878721A publication Critical patent/CN1878721A/en
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    • 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
    • B66C23/36—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 mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Vehicle Body Suspensions (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

The present invention relates to a mobile type crane (1), preferably a self-propelled mobile type crane. The present invention is provided with a mobile base structure (2) which allows the crane to move on the surface, and further, the crane is provided with a rotary upper structure (3), a boom (4) and a supporting rod (4) installed on the base structure, wherein the boom (4) and the supporting rod (5) respectively wind relevant horizontal rotary shafts to be hinged with the upper structure (3). The crane is also provided with main load hoisting mechanisms (11 and 13a) which are relevant to the boom (4) and are used for hoisting loads and a ballast (15) of the upper structure, and the upper structure (3) is suitable for supporting the ballast (15) of the upper structure on the upper structure. The crane is also provided with super-hoisting ballasts (20, 20a and 20b) and a relevant connecting mechanism (30), and when the super-hoisting ballasts (20, 20a and 20b) are static on the surface and /or the supporting rod is suspended on the surface, the super-hoisting ballasts (20, 20a and 20b) are connected to the supporting rod (5) by the connecting mechanism. The mobile base structure is provided with super-hoisting ballast supporting mechanisms (50 and 55) which allow the super-hoisting ballasts (20, 20a and 20b) to be supported on the base structure (2) for the convenience that when supported by the base structure (2), the super-hoisting ballasts (20, 20a and 20b) can move along the mobile type crane.

Description

Movable crane and method of operation thereof
Technical field
The present invention relates to a kind of movable crane, be preferably relate to a kind of have allow the mobile foundation structure that described crane moves from the teeth outwards and further have to be installed on the described base construction and to wind self-propelled movable crane about the revolving superstructure type of the vertical rotating shaft rotation of base construction.The invention still further relates to a kind of method that is used to operate this movable crane.
Background technology
Crane further has suspension rod and steady arm, and described suspension rod respectively is hinged to described topside around related feathering axis with steady arm.The main load hoist mechanism that is used for lifting loads is connected with described suspension rod and is used to promote load.
Crane also has superstructure ballast and topside is suitable for described superstructure ballast is supported thereon.
So-called in order to finish " overweight thing promotes (superlift) ", crane has the ballast that overweight thing promotes.Related bindiny mechanism, generally be some decline cable wires, be used for being still on the described surface and/or ballast that will described overweight thing lifting when described steady arm is suspended in described surface at the big segment distance of distance base construction place is connected to described steady arm when ballast that described overweight thing promotes.Therefore crane can be kept out the very big disturbing moment that is produced by load.
In fact the ballast that overweight thing promotes can weigh hundred or even hundreds of metric ton.Ballast is piled up by heavy steel plate usually to be formed.
The movable crane of this type is used for several lifting works through the mono-building site of being everlasting (for example, chemical plant).This means for each work crane and must move (for example tens meters or hundreds of rice) to new location and ready for newly working.
The shortcoming of the prior art movable crane of the above-mentioned type is relevant with above-mentioned actual conditions, and wherein crane moves to next position from a position.For the crane of most prior aries, it need provide additional cranes and transport vehicle so that the ballast that overweight thing is promoted moves to new position.This will lose time and cause personnel's additional safety hazards.
Advised the ballast that overweight thing promotes is installed on the wheeled ballast car of the separation that is attached to topside in DE-U-29724688, wheeled ballast car has the track adjusting wheel by the drive mechanism of association.This needs very firm and expensive ballast car, and it has undesirably increased the cost of crane.
A kind of movable crane that is attached to the ballast car of topside by scalable beam that has is disclosed in US6283315.This ballast car also has track adjusting wheel, has caused undesirable complexity and expensive ballast arrangement.
Demag CC 8800 cranes have the ballast car (maximum 600 tons) that is attached to the overweight thing lifting of base construction via scalable beam.This crane further has the superstructure ballast that is installed in the topside rear portion.In order further to stablize the crane of this prior art, a kind of " central ballast " (maximum 100 tons) are located on the chassis of base construction.Have metal ballast plates and can pile up the front-axle beam and the back rest of the base construction of superincumbent central configuration support platform and finish this structure by providing.
The formula that the is moved further crane of prior art is open in US6568547, and wherein crane is not provided with superstructure ballast.This crane has the horizontal beam on the topside that is attached to the ballast that supports overweight thing lifting.
Summary of the invention
But the object of the invention is to provide a kind of improved movable crane with structure of the ballast that the overweight thing that is used to handle the more effective use that allows crane in supply cost promotes.
The invention provides a kind of movable crane, it comprises the mobile foundation structure that allows described crane to move from the teeth outwards, be installed in the revolving superstructure on the described base construction, suspension rod and steady arm, described suspension rod respectively is hinged on the described topside around related feathering axis with steady arm, be connected the main load hoist mechanism that is used to promote load with described suspension rod, superstructure ballast, described topside is suitable for described superstructure ballast is supported thereon, and ballast that overweight thing promotes and the ballast that promotes when described overweight thing are still on the described surface and/or are used for the ballast of described overweight thing lifting being connected to when described steady arm is suspended on the described surface bindiny mechanism of the association on the described steady arm.Described mobile foundation structure is provided with the ballast that permission promotes described overweight thing and is supported on the ballast supporting mechanism that the overweight thing on the described base construction promotes, and the ballast that promotes with the described overweight thing of box lunch can move along movable crane when being supported by described base construction.
So the present invention advises that using the preferred of crane itself is that self-propelled mobile foundation conduct is in the means that crane supported and transmits the ballast of overweight thing lifting when an operation point moves to the next one.Compare with the prior art of complexity, this can cause cheaply crane and/or operate actv. crane more.
The invention still further relates to the method that is used to operate this movable crane.
Description of drawings
The further preferred embodiment that in claim and description with reference to the accompanying drawings, discloses crane and be used to operate the method for crane according to the present invention.
Among the figure:
Fig. 1 has shown the lateral plan according to the example of tracklaying crane of the present invention,
Fig. 2 is the front elevation of the crane of Fig. 1 under the difference assembling,
Fig. 3 a is that the ballast part that overweight thing promotes is arranged on continuous lateral plan on the base construction of Fig. 1 crane to Fig. 3 c,
The ballast part that Fig. 4 a promotes two overweight things to Fig. 4 f is arranged on the continuous level figure on the base construction of Fig. 1 crane,
Fig. 5 is the planar view of the ballast part that promotes of central chassis and the overweight thing that supported by the described chassis of Fig. 1 crane,
Fig. 6 a, b be two dishes of the ballast part that promotes of the overweight thing of Fig. 5 respectively in the elevational sectional view of assembling and unassembled state,
Fig. 7 is the longitdinal cross-section diagram of ballast part as shown in Figure 5, and
Fig. 8 has shown the scheme drawing of ballast dish with the ballast plate that is stacked on the overweight thing lifting on the described dish from front end.
The specific embodiment
Fig. 1 and Fig. 2 show the difference assembling of the tracklaying crane 1 that is used for different lifting works, and tracklaying crane 1 is designed for the load of lifting hundreds of metric ton, maximum 1200 tonnes or even more in a preferred embodiment.
Crane 1 is the self-propelled crane and has the mobile foundation structure 2 that allows described crane to move from the teeth outwards.May be the ground of strengthening by the ground that is fit on surface described in many examples, be used in big crane barge or similarly in the localities but also be envisioned for crane.
Revolving superstructure 3 is installed on the described base construction 2, so that topside 3 can be wound the vertical rotating shaft rotation about base construction 2.
Crane 1 further has suspension rod 4 and steady arm 5.Suspension rod is hinged on the topside 3 so that suspension rod 4 is a pivoted with feathering axis 6.Steady arm 5 also is hinged on the topside 3 that feathering axis 7 rotates.
Embodiment has shown suspension rod 4 and the steady arm 5 that all has trellis work in Fig. 1 and 2, suspension rod 4 and steady arm 5 be preferably module with allow whole crane from a building site to Next easy transmission.
Shown also in Fig. 2 that two suspension rods 4, two with A-Frame Design elongate suspension rod part 4a, 4b is connected with topside respectively and connected with each other near the top of suspension rod 4.
Steady arm 5 has oppositely directed Y-Frame Design, and two low steady arm part 5a, 5b are connected with topside 3 pivots and and receive on the single part 5c.
In the assembling of Fig. 1, gooseneck boom fly jib configuration 8 comprises crane arm 8a and stay beams 8b, the 8c that is connected to suspension rod 4 tops.
Main load hoist mechanism is associated with suspension rod 4 and is used to promote load.Shown the lifting cable wire 11 of guiding on wire rope pulley among Fig. 1, this wire rope pulley is installed on the top of top, stay beams 8b, 8c and crane arm 8a of steady arm 5.Hoist lifting hook 13 begins suspention from promoting cable wire 11.Main load-lifting capstan winch 13a is installed on the revolving superstructure 3.
The superstructure ballast of being made up of steel ballast stack of plates 15 is provided.The rear portion of topside 3 is suitable for described superstructure ballast 15 is supported thereon.
Crane 1 further have the ballast 20 that overweight thing promotes and be used for when ballast 20 static (as Fig. 1) from the teeth outwards that overweight thing promotes and/or from as described in steady arm 5 begin to be suspended in as described on the surface time with as described in the ballast 20 of overweight thing lifting be connected to the bindiny mechanism 30 of the association on the steady arm 5.
Be connected to form bindiny mechanism 30 by the ballast cable wire 31 that overweight thing promotes at the top of steady arm 5 guiding wire rope pulley 32 and with the ballast capstan winch 33 that is installed to the overweight thing lifting on the topside 3 at this.
As hereinafter being further explained in detail, mobile foundation structure 2 is provided with the ballast supporting mechanism that overweight thing promotes, and the ballast 20 that its permission promotes described overweight thing is supported on when the ballast 20 that promotes with the described overweight thing of box lunch on the described base construction 2 is supported by described base construction 2 and can moves along crane.
Mobile foundation structure 2 comprises central chassis 40 (in detail as shown in Figure 5) and first and second mounting assemblies 41,42 of 40 relative sides on the chassis.Mounting assembly is designed to respectively have the crawler assemblies of crawler belt in this crane 1.Other designs also are envisioned for for example wheeled support assembly (being used for less crane) or slide arrangement and similar assembly.
In Fig. 4 f shown in special, first and second mounting assemblies 41,42 all from central chassis 40 forward and outstanding backward as Fig. 4 a.
Mobile foundation structure 2 is chassis 40 in this example, is provided with the ballast supporting mechanism 50,55 that the first and second overweight things that are positioned at its opposite side promote, in this example on the chassis 40 front and back.
The ballast 20 that overweight here thing promotes comprises ballast part 20a, the 20b that the first and second overweight things on the ballast supporting mechanism 50,55 that can be bearing in the described first and second overweight things liftings separately promote.
As shown in Figure 4, the ballast supporting mechanism 50,55 that the first and second overweight things promote can be adapted to the front that ballast part 20a that the described first overweight thing promotes supports to the chassis 40 between outstanding forward mounting assembly basically, and the ballast part 20b that promotes of the second overweight thing supports to basically in the back on the chassis 40 between the outstanding mounting assembly mechanism backward.
Should be noted that ballast parts 20a, 20b that overweight thing promotes are supported on that without hindrance the rotatablely moving of topside 3 is possible when being supported on the chassis with convenient ballast parts on the described mobile foundation structure 2.
As shown in Figure 7 and Figure 8, here the ballast parts 20a, the 20b that promote of the first and second overweight things respectively comprises the ballast dish 16 of two interconnection and is stacked on compound ballast plate 17 on each described ballast dish 16.Each coils 16 and has bottom 16a and sidewall 16b.Sidewall 16b have an edge allow a kind of glossal canal (tongue-and-groove) to connect with related dish 16 and with corresponding vertical Connection Element 43 bonded assembly Connection Element 16c on chassis 40.
Can find out that in Fig. 7 and Fig. 8 chassis 40 has two crossbeams 44,45 that extend between crawler assemblies, and with the longeron 46,47 of two crossbeams 44,45 interconnection.Install back change 47a so that many bogie trucks 48 with cylinder support thereon at the top of described girder construction.These bogie trucks 48 (are seen for example Fig. 2) in rotary manner topside 3 are supported on the pivoted loop 47a.
Can see the fluid power jack 49 near each mounting assembly in Fig. 2 and Fig. 7 on chassis 40, when crane 1 is static from the teeth outwards the time, this jack is used for stablizing it.
Explain that referring now to Fig. 3 and Fig. 4 ballast parts 20a, 20b that overweight thing is promoted are placed on the method for optimizing on the base construction 2.
Ballast parts 20a, the 20b that overweight thing promotes in Fig. 3 a and Fig. 4 a is still on the surface away from base construction 2 certain distances.
At first, shown in Fig. 3 b and Fig. 4 b, make whole super ballast 20 near base construction 2 by promote ballast 20 and rising steady arm 5 from the surface.Described then ballast 20 drops on the ground and ballast parts 20a, 20b are separated from each other.Ballast lifting cable wire 31 only is connected with the ballast part 20a that will promote then so.
By revolution topside 3, ballast part 20a take to crawler assemblies between forepiece, and reduce then so that this ballast part 20a is still on the related supporting mechanism 50 (seeing Fig. 3 c and Fig. 4 c) on chassis 40.Ballast lifting cable wire separates from ballast part 20a then.
Topside 3 goes back to so that cable wire can be attached on the ballast part 20b of another overweight thing lifting then.This ballast part 20b promotes and by revolution topside and rising steady arm 5, moves between the rear portion of crawler assemblies then.Ballast part 20b drops on the related supporting mechanism 55 on chassis 40 then.
Obviously, the alternative sequences that ballast parts 20a, 20b is placed on the structure 2 also is feasible.
The ballast 20 that present movable crane 1 can move to another control position and the lifting of overweight thing carries with (self-propelled) crane 1.
Clearly, the processing of the ballast 20 that promotes of the overweight thing of this method is actvies and when crane is not needed additional cranes and driven vehicle when an operation point moves to the next one.
Certainly, the ballast 20 of overweight thing lifting can only be made up of parts that are supported on correct position on the mobile foundation structure then.Yet, be preferably ballast parts with the compound overweight thing lifting on the opposite side that is supported on the chassis.

Claims (10)

1. a movable crane (1) comprising:
The mobile foundation structure (2) that allows described crane to move from the teeth outwards,
Be installed in the revolving superstructure (3) on the described base construction,
Suspension rod (4) and steady arm (5), described suspension rod respectively is hinged on the described topside around related feathering axis with steady arm,
Be connected with described suspension rod the main load hoist mechanism that is used to promote load (11,13a),
Superstructure ballast (15), described topside (3) are suitable for described superstructure ballast is supported thereon,
The ballast (20 that overweight thing promotes, 20a, 20b) and the ballast that promotes when described overweight thing is still on the described surface and/or ballast that will described overweight thing lifting when being used for being suspended on the described surface from described steady arm is connected to the bindiny mechanism (30) of the association on the described steady arm (5)
It is characterized in that:
Described mobile foundation structure (2) is provided with the ballast supporting mechanism (50 that permission is supported on the ballast (20a, 20b) of described overweight thing lifting the overweight thing lifting on the described base construction, can move along movable crane when 55), the ballast that promotes with the described overweight thing of box lunch is supported by described base construction (2).
2. movable crane according to claim 1 is characterized in that: the ballast (20a, 20b) that described overweight thing promotes is supported on the described mobile foundation structure (2), so that without hindrance the rotatablely moving of described topside (3) is feasible.
3. movable crane according to claim 1 is characterized in that: described mobile foundation structure (2) comprises central chassis (40) and at first and second mounting assemblies (41,42) of described chassis relative side.
4. movable crane according to claim 1, it is characterized in that: described mobile foundation structure (2) is provided with the ballast supporting mechanism (50 of the relative edge's who is positioned at described base construction (2) the first and second overweight things liftings, 55), and the ballast that promotes of wherein said overweight thing comprise at least and can be supported on the ballast part (20a, 20b) that the first and second overweight things on the ballast supporting mechanism that the described first and second overweight things promote promote separately.
5. movable crane according to claim 3, it is characterized in that: described first and second mounting assemblies (41,42) give prominence to forward and backward from described central chassis (40), and wherein adjust the ballast supporting mechanism (50 that the described first and second overweight things promote, 55), the ballast part (20a) that makes the described first overweight thing promote is supported on the front on the described chassis between the described mounting assembly of giving prominence to forward basically, and the ballast part (20b) of the second overweight thing lifting is supported on the back on the described chassis between the described rearwardly projecting mounting assembly.
6. movable crane according to claim 4 is characterized in that: the ballast part (20a, 20b) that the described first and second overweight things promote respectively comprises ballast dish (16) and is stacked on compound ballast plate (17) on the described ballast dish.
7. movable crane according to claim 6, it is characterized in that: described ballast dish (16) is provided with the interconnection mechanism (16c) that allows to interconnect described dish, so that described interconnective dish can use during promoting load by described movable crane.
8. movable crane according to claim 1, it is characterized in that: the ballast mechanism for lifting (31 that overweight thing promotes, 33) be associated with described steady arm (5), so that the ballast (20 that described overweight thing promotes, 20a, 20b) can hang from described steady arm, described steady arm (5) can be located such that ballast that described overweight thing promotes can be supported on the ballast supporting mechanism (50,55) that the described overweight thing of described movable crane promotes.
9. movable crane according to claim 3 is characterized in that: described mounting assembly is crawler assemblies (41,42).
10. method that is used for operating according to each described movable crane of aforesaid right requirement 1-9, wherein: the ballast (20a, 20b) that described overweight thing promotes is still in the ballast supporting mechanism (50 of the described overweight thing lifting of described mobile foundation structure (2), 55) on, the ballast that promotes with the described overweight thing of box lunch can move along described movable crane when being supported by described base construction.
CNB2003801107519A 2003-10-02 2003-10-02 A mobile crane Expired - Fee Related CN100436303C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NL2003/000674 WO2005030632A1 (en) 2003-10-02 2003-10-02 A mobile crane

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CN1878721A CN1878721A (en) 2006-12-13
CN100436303C true CN100436303C (en) 2008-11-26

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EP (1) EP1673304B1 (en)
CN (1) CN100436303C (en)
AT (1) ATE372951T1 (en)
AU (1) AU2003276776A1 (en)
DE (1) DE60316358T2 (en)
WO (1) WO2005030632A1 (en)

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Publication number Priority date Publication date Assignee Title
DE102006015307A1 (en) * 2005-11-17 2007-05-24 Terex-Demag Gmbh & Co. Kg Mobile large crane
DE102006060347B4 (en) 2006-12-20 2008-09-25 Liebherr-Werk Ehingen Gmbh Lattice piece for a mobile large crane and method for its erection
CN101049892B (en) * 2007-04-12 2012-05-23 山东富友有限公司 Method for matching balanced system of crane in type of arm support and crane therefor
DE102007056289B4 (en) * 2007-10-29 2009-06-04 Liebherr-Werk Ehingen Gmbh Method for erecting a crane jib
CN102735440B (en) * 2012-07-05 2014-12-24 中联重科股份有限公司 Tester for superlift mechanism
NL2012074C2 (en) 2014-01-10 2015-07-13 Itrec Bv Double jib slewing pedestal crane.
NL2017776B1 (en) * 2016-11-11 2018-05-24 Itrec Bv Marine crane vessel and method of operation

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US4614275A (en) * 1983-05-11 1986-09-30 Kabushiki Kaisha Kobe Seiko Sho Heavy duty crane
CN2030991U (en) * 1988-05-11 1989-01-18 河南省宝丰县石桥机械厂 Miniature mechanical (manual) lifting device for rural building construction
CN1287964A (en) * 1999-09-09 2001-03-21 神钢建设机械株式会社 Tracked movement type construction machinery
US6283315B1 (en) * 1998-09-11 2001-09-04 Liebherr-Werk Ehingen Gmbh Crane, preferably a derrick crane
JP2002087759A (en) * 2000-08-18 2002-03-27 Liebherr Werk Ehingen Gmbh Mobile crane
US6568547B1 (en) * 1998-12-04 2003-05-27 Atecs Mannesmann Ag Crane, especially a self-propelled crane

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Publication number Priority date Publication date Assignee Title
US4614275A (en) * 1983-05-11 1986-09-30 Kabushiki Kaisha Kobe Seiko Sho Heavy duty crane
CN2030991U (en) * 1988-05-11 1989-01-18 河南省宝丰县石桥机械厂 Miniature mechanical (manual) lifting device for rural building construction
US6283315B1 (en) * 1998-09-11 2001-09-04 Liebherr-Werk Ehingen Gmbh Crane, preferably a derrick crane
US6568547B1 (en) * 1998-12-04 2003-05-27 Atecs Mannesmann Ag Crane, especially a self-propelled crane
CN1287964A (en) * 1999-09-09 2001-03-21 神钢建设机械株式会社 Tracked movement type construction machinery
JP2002087759A (en) * 2000-08-18 2002-03-27 Liebherr Werk Ehingen Gmbh Mobile crane

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ATE372951T1 (en) 2007-09-15
DE60316358D1 (en) 2007-10-25
DE60316358T2 (en) 2008-06-12
WO2005030632A1 (en) 2005-04-07
EP1673304A1 (en) 2006-06-28
AU2003276776A1 (en) 2005-04-14
EP1673304B1 (en) 2007-09-12
CN1878721A (en) 2006-12-13

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