EP2377803B1 - Ladekran mit Seilführungsvorrichtung - Google Patents

Ladekran mit Seilführungsvorrichtung Download PDF

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Publication number
EP2377803B1
EP2377803B1 EP11003005A EP11003005A EP2377803B1 EP 2377803 B1 EP2377803 B1 EP 2377803B1 EP 11003005 A EP11003005 A EP 11003005A EP 11003005 A EP11003005 A EP 11003005A EP 2377803 B1 EP2377803 B1 EP 2377803B1
Authority
EP
European Patent Office
Prior art keywords
crane
cable guide
guide rollers
cable
loader
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.)
Active
Application number
EP11003005A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2377803A1 (de
Inventor
Eckhard Wimmer
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.)
Palfinger AG
Original Assignee
Palfinger AG
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 Palfinger AG filed Critical Palfinger AG
Priority to PL11003005T priority Critical patent/PL2377803T3/pl
Publication of EP2377803A1 publication Critical patent/EP2377803A1/de
Application granted granted Critical
Publication of EP2377803B1 publication Critical patent/EP2377803B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration

Definitions

  • the invention relates to a loading crane - in particular a mobile crane, with a first crane arm and at least a second crane arm and a toggle lever, wherein the first crane arm and the second crane arm via a respective connecting element - in particular one bolt - are pivotally connected to the toggle and a cable guide device with at least two cable guide rollers, wherein the cable guide rollers are arranged on the two crane arms.
  • the object of the invention is to provide a comparison with the prior art improved loading crane.
  • a cable ride roller on a connecting element - is preferably formed on a bolt.
  • the loading crane has a cable, wherein the cable runs over the cable guide rollers of the cable guide device and in a first end position of the loading crane - in which the two crane arms are arranged substantially parallel to each other - Rope is arranged directly on both cable guide rollers.
  • the rope is not lifted from the pulleys and therefore does not have to be guided to the pulley during the transition to the operating position of the two crane arms.
  • a device which leads the rope to the pulleys not necessary.
  • the rope in all pivot positions of the two crane arms of the loading crane to each other, the rope is arranged directly on both cable guide rollers.
  • a rope guide device for the rope to the cable guide rollers out necessary.
  • the loading crane has a drive for pivoting the two crane arms, wherein the drive is designed as a linear drive and is arranged on the toggle lever.
  • the drive is designed as a linear drive and is arranged on the toggle lever.
  • Linear actuators are inexpensive to manufacture and the torque transmission on the toggle lever is particularly effective.
  • the toggle lever 1 is connected on the one hand via the connecting element 2 with the lifting arm 101 and on the other hand connected via the connecting element 3 with the articulated arm 102.
  • the cable guide roller 12 is arranged on the connecting element 3, whereas the cable guide roller 11 is arranged offset to the connecting element 2. This leads to the positive effect that the two cable guide rollers 11 and 12 in an overstretching of the two crane arms 101 and 102 do not touch (see description of the figures for FIG. 3 ).
  • the two crane arms 101 and 102 are moved via the linear drive 105, which in this exemplary embodiment is arranged on the one hand on the articulated arm 102 and on the other hand on the toggle lever 1.
  • FIG. 2 shows a perspective view of the lever 21 of the toggle lever 1 and the rope guide roller 11 disposed thereon.
  • the cable guide roller 11 is connected via the connecting element 23 with the furniture 21.
  • the connecting element 23 is not formed on the bore 22 of the lever 21, but to this bore 22 - in which the connecting element 2 is not shown here - is distanced.
  • FIG. 3 shows a perspective view of the two crane arms 101 and 102 in the overstretched state. Such overstretching would not be possible with the prior art loading cranes, since the rope guide rollers would touch if they were formed on the connecting elements 2 and 3.
  • the cable guide device 10 is formed in this embodiment so that the cable guide roller 11 offset from the connecting element 2 of the Knee lever 1 and the crane arm 101 is arranged.
  • an overstretching of the two crane arms 101 and 102 relative to each other can be achieved, since thus the two cable guide rollers 11 and 12 can no longer touch.
  • the cable guide roller 12 is on the connecting element 3 - taken exactly the bolt 3 - formed.
  • the connecting element 3 connects the lever 31 of the toggle lever 1 with the articulated arm 102 of the loading crane 100.
  • the connecting element 2 - also formed in this embodiment as a bolt 2 - connects the lever 21 of the toggle lever 1 with the lifting arm 101 of the loading crane 100th
  • the two crane arms 101 and 102 are arranged overstretched to each other and the two cable guide rollers 11 and 12 spaced from each other.
  • FIG. 4 shows the two crane arms 101 and 102 in a further end position of the loading crane 100, in which the two crane arms 101 and 102 are arranged substantially parallel to each other.
  • the cable guide roller 11 is - as already mentioned - offset from the connecting element 2 on the lever 21 of the toggle lever 1 is arranged.
  • the positive effect now appears that the cable 13 extending over the cable guide device 10 also has direct contact with the two cable guide rollers 11 and 12 in this end position of the loading crane 100.
  • no additional cable guide device is needed, which would have to introduce the cable 13 to the two cable guide rollers 11 and 12, when the two crane arms 101 and 102 unfold again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP11003005A 2010-04-14 2011-04-11 Ladekran mit Seilführungsvorrichtung Active EP2377803B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11003005T PL2377803T3 (pl) 2010-04-14 2011-04-11 Żuraw załadunkowo-wyładowczy z urządzeniem prowadzenia liny

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0023810U AT12019U1 (de) 2010-04-14 2010-04-14 Ladekran mit seilführungsvorrichtung

Publications (2)

Publication Number Publication Date
EP2377803A1 EP2377803A1 (de) 2011-10-19
EP2377803B1 true EP2377803B1 (de) 2012-11-14

Family

ID=44257244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11003005A Active EP2377803B1 (de) 2010-04-14 2011-04-11 Ladekran mit Seilführungsvorrichtung

Country Status (5)

Country Link
EP (1) EP2377803B1 (da)
AT (1) AT12019U1 (da)
DK (1) DK2377803T3 (da)
ES (1) ES2399382T3 (da)
PL (1) PL2377803T3 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104340882B (zh) * 2014-09-25 2016-12-07 中联重科股份有限公司 折叠臂架和起重机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1477450B1 (en) * 2003-04-30 2006-09-06 Hiab Ab A crane

Also Published As

Publication number Publication date
AT12019U1 (de) 2011-09-15
ES2399382T3 (es) 2013-04-01
PL2377803T3 (pl) 2013-07-31
DK2377803T3 (da) 2013-02-25
EP2377803A1 (de) 2011-10-19

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