CN1878721A - A mobile crane - Google Patents
A mobile crane Download PDFInfo
- Publication number
- CN1878721A CN1878721A CNA2003801107519A CN200380110751A CN1878721A CN 1878721 A CN1878721 A CN 1878721A CN A2003801107519 A CNA2003801107519 A CN A2003801107519A CN 200380110751 A CN200380110751 A CN 200380110751A CN 1878721 A CN1878721 A CN 1878721A
- Authority
- CN
- China
- Prior art keywords
- ballast
- superlift
- crane
- superlift ballast
- supported
- 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
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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
- B66C23/18—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
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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
- B66C23/62—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Vehicle Body Suspensions (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
A mobile crane (1), preferably a self-propelled mobile crane, has a travelling base structure (2) which allows for travel of said crane over a surface. The crane further has a revolving superstructure (3) mounted on said base structure and a boom (4) and a backmast (5). The boom (4) and backmast (5) are each being hinged about an associated horizontal pivot axis to said superstructure (3). The crane further has a main load hoisting means (11, 13a) associated with said boom (4) for hoisting a load and a superstructure ballast (15), said superstructure (3) being adapted for supporting said superstructure ballast (15) thereon. The crane also has a superlift ballast (20, 20a, 20b) and associated connection means (30) serving to connect said superlift ballast (20, 20a, 20b) to said backmast (5) while said superlift ballast (20, 20a, 20b) is resting on said surface and/or suspended from said backmast above said surface. The travelling base structure is provided with superlift ballast support means (50, 55) which allow for supporting said superlift ballast (20, 20a, 20b) on said base structure (2) so that said superlift ballast (20, 20a, 20b) is movable along with the mobile crane while being supported by said base structure (2).
Description
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.
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 " superlift (superlift) ", crane has the superlift ballast.Related bindiny mechanism, generally be some decline cable wires, be used for being still on the described surface and/or described superlift ballast being connected to described steady arm when described steady arm is suspended in described surface at the big segment distance of distance base construction place when described superlift ballast.Therefore crane can be kept out the very big disturbing moment that is produced by load.
In fact the superlift ballast 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 superlift ballast is moved to new position.This will lose time and cause personnel's additional safety hazards.
Advised the superlift ballast 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 superlift ballast car (maximum 600 tons) that is attached to 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 supporting superlift ballast.
But the object of the invention is to provide a kind of improved movable crane with structure of the superlift ballast that is used to handle the more effective use that allows crane in supply cost.
The present invention provides a kind of movable crane according to the aforementioned part of claim 1, it is characterized in that described mobile foundation structure is provided with permission described superlift ballast is supported on superlift ballast supporting mechanism on the described base construction, can move along movable crane when supporting by described base construction with the described superlift ballast of box lunch.
Therefore 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 superlift ballast 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.
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 superlift ballast part is arranged on continuous lateral plan on the base construction of Fig. 1 crane to Fig. 3 c,
Fig. 4 a is arranged on two superlift ballast part to Fig. 4 f the continuous level figure on the base construction of Fig. 1 crane,
Fig. 5 is the planar view of central chassis and the superlift ballast part that supported by the described chassis of Fig. 1 crane,
Fig. 6 a, b be two dishes of superlift ballast part of Fig. 5 respectively in the assembling and the elevational sectional view of unassembled state,
Fig. 7 is the longitdinal cross-section diagram of ballast part as shown in Figure 5, and
Fig. 8 has shown ballast dish and the scheme drawing that is stacked on the superlift ballast plate on the described dish from front end.
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 12 among Fig. 1, this wire rope pulley 12 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 superlift ballast 20 and be used for when superlift ballast 20 static (as Fig. 1) from the teeth outwards and/or from as described in steady arm 5 begin to be suspended in as described on the surface time with as described in superlift ballast 20 be connected to the bindiny mechanism 30 of the association on the steady arm 5.
Be connected to form bindiny mechanism 30 by superlift ballast cable wire 31 at the top of steady arm 5 guiding wire rope pulley 32 and with the superlift ballast capstan winch 33 that is installed on the topside 3 at this.
As hereinafter being further explained in detail, mobile foundation structure 2 is provided with superlift ballast supporting mechanism, and it allows described superlift ballast 20 is supported on the described base construction 2 when being supported by described base construction 2 with the described superlift ballast 20 of box lunch and can moves along crane.
In Fig. 4 f shown in special, first and second crawler assemblies 41,42 about central chassis 40 forward and outstanding backward as Fig. 4 a.
Here superlift ballast 20 comprises the first and second superlift ballast part 20a, the 20b that can be bearing in separately on the described first and second superlift ballast supporting mechanisms 50,55.
As shown in Figure 4, the first and second superlift ballast supporting mechanisms 50,55 can be adapted to the front that the described first superlift ballast part 20a supports to the chassis 40 between outstanding forward mounting assembly basically, and the second superlift ballast part 20b supports to basically in the back of giving prominence to the chassis 40 between the mounting assembly mechanism backward.
Should be noted that superlift ballast parts 20a, 20b 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 first and second superlift ballast parts 20a, 20b respectively comprise the ballast dish 16 of two interconnection and are 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.
Referring now to Fig. 3 and Fig. 4 explanation superlift ballast parts 20a, 20b are placed on the method for optimizing on the base construction 2.
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 another superlift ballast part 20b 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.
Present movable crane 1 can move to another control position and superlift ballast 20 carries with (self-propelled) crane 1.
Clearly, the processing of the superlift ballast 20 of this method is an actv. and when crane is not needed additional cranes and driven vehicle when an operation point moves to the next one.
Certainly, superlift ballast 20 can only be made up of parts that are supported on correct position on the mobile foundation structure then.Yet, be preferably the multiple superlift ballast parts that has on the opposite side that is supported on the chassis.
Claims (10)
1. a movable crane (1) is preferably the self-propelled movable crane, 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,
Superlift ballast (20,20a, 20b) and the bindiny mechanism (30) that when described superlift ballast is still on the described surface and/or be used for being suspended on the described surface from described steady arm, described superlift ballast is connected to the association on the described steady arm (5)
It is characterized in that:
Described mobile foundation structure (2) is provided with permission and described superlift ballast (20a, 20b) is supported on can moves along movable crane when superlift ballast supporting mechanism (50,55) on the described base construction is supported by described base construction (2) with the described superlift ballast of box lunch.
2. movable crane according to claim 1 is characterized in that: described superlift ballast (20a, 20b) is supported on described mobile foundation structure (2) and goes up so that without hindrance the rotatablely moving of described topside (3) is feasible.
3. movable crane according to claim 1 and 2 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. according to any one described movable crane in the claim 1 to 3, it is characterized in that: described mobile foundation structure (2) is provided with the relative edge's who is positioned at described base construction (2) the first and second superlift ballast supporting mechanisms (50,55), and wherein said superlift ballast comprise the first and second superlift ballast part (20a, 20b) that can be supported on separately on the described first and second superlift ballast supporting mechanisms at least.
5. according to claim 3 or 4 described movable cranes, it is characterized in that: described first and second mounting assemblies (41,42) give prominence to forward and backward about described central chassis (40), and wherein adjust the described first and second superlift ballast supporting mechanisms (50,55) make the described first superlift ballast part (20a) be supported on the front on the described chassis between the described mounting assembly of giving prominence to forward basically, and the second superlift ballast part (20b) is supported on the back on the described chassis between the described rearwardly projecting mounting assembly basically.
6. according to claim 4 or 5 described movable cranes, it is characterized in that: the described first and second superlift ballast part (20a, 20b) respectively comprise ballast dish (16) and are 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. any one described movable crane in requiring according to aforesaid right, it is characterized in that: superlift ballast mechanism for lifting (31,33) be associated with described steady arm (5) so that described superlift ballast (20,20a, 20b) can hang from described steady arm, described steady arm (5) can be located such that described superlift ballast can be supported on the described superlift ballast supporting mechanism (50,55) of described movable crane.
9. according to any one described movable crane in the claim 2 to 8, it is characterized in that: described mounting assembly is crawler assemblies (41,42).
10. method that is used to operate according to the movable crane described in above-mentioned one or more claims, wherein: the described superlift ballast supporting mechanism (50,55) that described superlift ballast (20a, 20b) is still in described mobile foundation structure (2) can move along described movable crane when going up and to be supported by described base construction with the described superlift ballast of box lunch.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1878721A true CN1878721A (en) | 2006-12-13 |
| CN100436303C CN100436303C (en) | 2008-11-26 |
Family
ID=34386848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801107519A Expired - Fee Related CN100436303C (en) | 2003-10-02 | 2003-10-02 | A mobile crane |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1673304B1 (en) |
| CN (1) | CN100436303C (en) |
| AT (1) | ATE372951T1 (en) |
| AU (1) | AU2003276776A1 (en) |
| DE (1) | DE60316358T2 (en) |
| WO (1) | WO2005030632A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423179B (en) * | 2007-10-29 | 2012-01-11 | 利勃海尔爱茵根有限公司 | Method for erecting a crane boom |
| 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 |
Families Citing this family (5)
| 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 |
| 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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59207394A (en) * | 1983-05-11 | 1984-11-24 | 株式会社神戸製鋼所 | Ultra-large 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 |
| DE29724688U1 (en) * | 1997-08-07 | 2003-02-06 | Demag Mobile Cranes Gmbh & Co | Counter mass carriage for counterweights for cranes |
| DE29816385U1 (en) * | 1998-09-11 | 1999-04-08 | Liebherr Werk Ehingen | Crane, preferably derrick |
| DE19857779A1 (en) * | 1998-12-04 | 2000-06-15 | Mannesmann Ag | Crane, especially mobile crane |
| JP3424616B2 (en) * | 1999-09-09 | 2003-07-07 | コベルコ建機株式会社 | Crawler traveling work machine |
| DE20014268U1 (en) * | 2000-08-18 | 2002-01-03 | Liebherr Werk Ehingen | Mobile crane |
-
2003
- 2003-10-02 CN CNB2003801107519A patent/CN100436303C/en not_active Expired - Fee Related
- 2003-10-02 AT AT03818801T patent/ATE372951T1/en not_active IP Right Cessation
- 2003-10-02 EP EP03818801A patent/EP1673304B1/en not_active Expired - Lifetime
- 2003-10-02 DE DE60316358T patent/DE60316358T2/en not_active Expired - Lifetime
- 2003-10-02 AU AU2003276776A patent/AU2003276776A1/en not_active Abandoned
- 2003-10-02 WO PCT/NL2003/000674 patent/WO2005030632A1/en active IP Right Grant
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101423179B (en) * | 2007-10-29 | 2012-01-11 | 利勃海尔爱茵根有限公司 | Method for erecting a crane boom |
Also Published As
| Publication number | Publication date |
|---|---|
| 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 |
| CN100436303C (en) | 2008-11-26 |
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Granted publication date: 20081126 Termination date: 20151002 |
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| EXPY | Termination of patent right or utility model |