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Device and method for determination and monitoring an assembled counterweight on a crane

A technology of cranes and counterweights, which is applied in the direction of cranes, transportation and packaging, safety devices, etc., and can solve problems such as unsymmetrical connection of counterweights to cranes, tilting, etc.

Active Publication Date: 2014-11-05
MANITOWOC CRANE GROUP FRANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In view of the frequent replacements mentioned above, it may be the case that the counterweight is not symmetrically connected to the crane, especially a counterweight in a threshold state can cause the crane to be on the basis of the counterweight earlier than the user Skewed by the calculated time

Method used

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  • Device and method for determination and monitoring an assembled counterweight on a crane
  • Device and method for determination and monitoring an assembled counterweight on a crane

Examples

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Embodiment Construction

[0055] figure 1 The superstructure B of the mobile crane is shown, which includes a turntable steel structure 1 with two counterweight piston cylinders 2 highlighted in a top perspective view. The rear end of the turntable steel structure 1 includes two connecting plates 3, 4 that protrude perpendicular to the longitudinal direction L of the turntable steel structure 1, and the two connecting plates 3, 4 are counterweighted The fork-like extension 5 of the piston cylinder 2 is surrounded by and is connected to the counterweight piston-cylinder 2 by the fork-like extension 5 by means of bolts 6 .

[0056] figure 2 shown figure 1 Enlarged detail of the turntable steel structure. figure 2 The counterweight piston cylinder 2 is shown, which is connected to the rotary steel structure 1 .

[0057] A sectional view through the middle of the bolt 6 shows the connection between the rotary steel structure 1 and the counterweight piston cylinder 2 , the connection including the for...

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Abstract

A device for detecting and monitoring an assembled counterweight on a crane includes a turntable steelwork construction comprising a counterweight cylinder; a sensor which is arranged in the region of a connection between the counterweight cylinder and the turntable steelwork construction; and a computational unit (8), wherein the sensor is connected to the computational unit, and the computational unit comprises a logic which determines a weight of a counterweight which can be connected to the turntable steelwork construction from data which are captured by the sensor and transmitted to the computational unit.

Description

technical field [0001] The present invention relates to an apparatus and method for determining and monitoring a counterweight assembled on a crane. Background technique [0002] In order to operate the crane as economically as possible, it would be beneficial if, for a particular task, the counterweight of the crane could be optimally adapted to the maximum capacity and / or outreach of the crane. This results in the necessary weight of the counterweight having to be replaced relatively frequently depending on the task of the crane, eg to receive additional counterweights or to subtract excess counterweights. Avoiding the crane's slewing movement with excessive counterweight helps save fuel and reduce harmful emissions. Given the frequent replacements described above, it may happen that the counterweight is not symmetrically attached to the crane, and in particular a counterweight in a threshold state can cause the crane to be on a counterweight basis earlier than the user ...

Claims

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Application Information

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IPC IPC(8): B66C13/00B66C13/16
CPCB66C23/72B66C13/16B66C15/06B66C23/74
Inventor D·罗本W·莫尔O·蒂奇
Owner MANITOWOC CRANE GROUP FRANCE
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