Crane vehicle
AssigneeLiebherr-Werk Ehingen GmbH
InventorHans-Dieter Willim
Life of this patent
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Abstract
The present invention relates to a crane vehicle having a base plate fastenable to its undercarriage to receive ballast and two hoisting means vertically fastened to the part of the superstructure projecting outwardly in the opposite direction to the boom, said hoisting means having first load receiving points which can be moved into cut-outs of connection rods arranged at the base plate and engage there into matched recesses, wherein in accordance with the invention both hoisting means are extended beyond the first load receiving points and are provided at their extended ends with second load receiving points which engage into corresponding shape-matched recesses of the connection rods.
Claims20
A crane vehicle having a base plate (16) fastenable to its undercarriage to receive ballast and two hoisting means (18, 20) structured and arranged to be vertically fastened to a part of a the superstructure projecting outwardly in opposite direction to a boom, said hoisting means (18, 20) having first load receiving points (22) structured and arranged to be moved into engagement with cut-outs (32) of connection rods (26) arranged at the base plate (16) and upwardly engage into matched recesses (24) in the connection rods (26), wherein
- both hoisting means comprise piston rods (20) which are extended beyond the first load receiving points (22) and provided at their extended ends with second load receiving points (28) which are structured and arranged to simultaneously engage into corresponding shape-matched recesses (30) of the connection rods (26) as said hoisting means (18, 20) are upwardly drawn and substantially accept forces perpendicular to an axis of the hoisting means (18, 20),
- such that said hoisting means (18, 20) absorb torques in addition to forces, and with ballasting independent of position of center of gravity.
A crane vehicle having a base plate (16) fastenable to its undercarriage to receive ballast and two hoisting means (18, 20) structured and arranged to be vertically fastened to a part of a superstructure projecting outwardly in opposite direction to a boom,
- said hoisting means (18, 20) having first load receiving points (22) structured and arranged to be moved into engagement with cut-outs (32) of connection rods (26) arranged at the base plate (16) and engage into matched recesses (24) in the connection rods (26), wherein
- both hoisting means are extended beyond the first load receiving points (22) and provided at their extended ends with second load receiving points (28) which are structured and arranged to engage into corresponding shape-matched recesses (30) of the connection rods (26),
- the hoisting means are hydraulic cylinders (18) with extensible piston rods (20) supporting the load receiving points (22, 28), and
- centering regions are formed in the connection rods and the load receiving points can be aligned via them in the direction of the recesses of the connection rod.
Dependencies are inferred from the claim text.