EP0443353B1 - Fahrzeugteleskopkran - Google Patents

Fahrzeugteleskopkran Download PDF

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Publication number
EP0443353B1
EP0443353B1 EP91101321A EP91101321A EP0443353B1 EP 0443353 B1 EP0443353 B1 EP 0443353B1 EP 91101321 A EP91101321 A EP 91101321A EP 91101321 A EP91101321 A EP 91101321A EP 0443353 B1 EP0443353 B1 EP 0443353B1
Authority
EP
European Patent Office
Prior art keywords
telescopic
jib
tip
adapter
vehicle
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.)
Expired - Lifetime
Application number
EP91101321A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0443353A1 (de
Inventor
Peter Dipl.-Ing. Barsuhn
Achim Dipl.-Ing. Rödl
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.)
Fried Krupp AG Hoesch Krupp
Original Assignee
Fried Krupp AG Hoesch Krupp
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 Fried Krupp AG Hoesch Krupp filed Critical Fried Krupp AG Hoesch Krupp
Publication of EP0443353A1 publication Critical patent/EP0443353A1/de
Application granted granted Critical
Publication of EP0443353B1 publication Critical patent/EP0443353B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom
    • 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
    • B66C23/82—Luffing gear

Definitions

  • the invention relates to a vehicle telescopic crane with a jib which is detachably arranged at the outer end of the last telescopic part.
  • Such cranes are equipped, inter alia, with a luffing jib, which is attached as a pure jib extension at the end of the outer telescopic part in alignment with this.
  • This increases the outreach or height of the crane by the length of the luffing jib compared to the version, which is not provided with it, without the need for a further telescopic part with its considerable manufacturing effort and weight.
  • An increase in the permissible load of the crane is not associated with this, however, since the telescopic boom of the crane is loaded with the weight of the jib. This weight is considerable because the luffing jib is designed as a bending beam.
  • an adapter for attachment to the end of the telescopic part an optionally fixed on the adapter or pivotable against the tilting direction of the telescopic boom, and an optionally fixed on the adapter and the trestle or on the adapter in the tilting direction of the telescopic boom has pivotably articulated luffing jib.
  • the trestle can be braced with respect to the telescopic boom and the luffing jib with respect to the trestle, and thus both or at least the trestle or luffing jib can only be designed as a pressure support, that is to say much more easily.
  • the previous use for the luffing jib as a pure jib extension remains within the limits that are drawn by the lighter design when used as a bending beam. At higher loads, the guying is used with the trestle tilted.
  • the trestle is held in the pivoted-out position, acting as a pressure support, by means of guying from its tip to the outer end of the penultimate telescopic part.
  • This bracing can be carried out and adjusted in accordance with the expected operating conditions when the jib is installed on the ground.
  • the distance between the anchor point of the guying on the penultimate telescopic part and the tip of the crane remains fixed if the extension of the last telescopic part from the penultimate does not change, for example as a result of a lock.
  • the tilt position of the trestle can also be changed by changing the extension.
  • the basic telescopic part is laterally provided with holders for receiving the luffing jib pivoted against the basic telescopic part or detached from the end of the telescopic part in its folded position.
  • the foldability of the two parts of the luffing jib allows the luffing jib to be dimensioned to practically twice the length of the basic telescopic part. If the luffing jib remains articulated on the outer telescopic part when moving to the transport position, the retrofitting can be carried out with the least possible equipment and time. If the luffing jib is detached, it can be placed on the basic telescopic part in the most favorable assignment.
  • the telescopic boom has a basic telescopic part 1, a second telescopic part 2, a penultimate telescopic part 3 and an outer telescopic part 4.
  • an adapter 7 is detachably fastened via swivel bearings 5 and fixed points 6.
  • a trestle 10 is arranged via tilting bearing 8 and optionally additionally via locking points 9, the tip of which supports the lower block 11 of a block and tackle 12.
  • the tip of the tilted trestle 10 is anchored to the end 14 of the penultimate telescopic part 3 via a tension cable 13.
  • the upper bottle 15 of the block and tackle 12 is attached to the end of a flat iron 16, the other end of which is articulated at the tip 17 of the luffing tip consisting of two parts 18a and 18b is.
  • the traction cable 19 of the block and tackle 12 is guided to the superstructure of the vehicle telescopic crane.
  • the two parts 18a and 18b of the luffing jib can be folded against one another about the folding point 20.
  • the luffing tip 18a, 18b is in turn pivotally articulated in the locking points 9 on the adapter 7.
  • the luffing jib For the transport of the vehicle telescopic crane, the luffing jib is erected, its attachment point 21 is connected to the tip of the trestle 10, the telescopic jib 1, 2, 3, 4 is telescoped and lowered, the luffing jib is folded up and the jib is pivoted against the basic telescopic part 1 via the swivel bearing 5, so that it bears against it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP91101321A 1990-02-17 1991-02-01 Fahrzeugteleskopkran Expired - Lifetime EP0443353B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4005082 1990-02-17
DE4005082A DE4005082C1 (ja) 1990-02-17 1990-02-17

Publications (2)

Publication Number Publication Date
EP0443353A1 EP0443353A1 (de) 1991-08-28
EP0443353B1 true EP0443353B1 (de) 1994-07-27

Family

ID=6400429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101321A Expired - Lifetime EP0443353B1 (de) 1990-02-17 1991-02-01 Fahrzeugteleskopkran

Country Status (2)

Country Link
EP (1) EP0443353B1 (ja)
DE (2) DE4005082C1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015090109A1 (zh) * 2013-12-17 2015-06-25 三一汽车起重机械有限公司 副臂变幅装置、起重机及副臂变幅方法
CN104787688A (zh) * 2014-01-21 2015-07-22 武汉船用机械有限责任公司 一种斜向连接装置
WO2016201711A1 (zh) * 2015-06-17 2016-12-22 严斌玉 一种伸缩机构

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103318781B (zh) * 2012-11-01 2015-05-13 上海振华重工(集团)股份有限公司 用于码头的折臂大梁起重机
CN104071710B (zh) * 2014-07-01 2017-08-25 徐工集团工程机械股份有限公司 一种起重机及其无级变幅副臂装置
DE102018116575A1 (de) 2018-07-09 2020-01-09 Terex Global Gmbh Stütze für den hinteren Abspannstrang eines Teleskopkrans

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1090833B (de) * 1956-04-27 1960-10-13 Otto Kaiser Kommandit Ges Masc Turmdrehkran
DE1255262B (de) * 1963-03-19 1967-11-30 Steinbock G M B H Fahrzeugkran
JPS4841294B1 (ja) * 1969-04-24 1973-12-05
US3685668A (en) * 1969-10-03 1972-08-22 Hopper Inc Convertible level luffing crane
US3944082A (en) * 1974-12-20 1976-03-16 Harnischfeger Corporation Locking means for relatively movable boom sections of boom of mobile crane
GB1602685A (en) * 1978-05-31 1981-11-11 Coles Cranes Ltd Mobile cranes
DE3042287A1 (de) * 1980-11-08 1982-06-09 Fried. Krupp Gmbh, 4300 Essen Ausleger eines teleskopkranes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015090109A1 (zh) * 2013-12-17 2015-06-25 三一汽车起重机械有限公司 副臂变幅装置、起重机及副臂变幅方法
CN104787688A (zh) * 2014-01-21 2015-07-22 武汉船用机械有限责任公司 一种斜向连接装置
WO2016201711A1 (zh) * 2015-06-17 2016-12-22 严斌玉 一种伸缩机构

Also Published As

Publication number Publication date
DE59102297D1 (de) 1994-09-01
DE4005082C1 (ja) 1991-09-19
EP0443353A1 (de) 1991-08-28

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