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Vibration absorber

A technology of shock absorbers and appliances, applied in the direction of non-rotational vibration suppression, load suspension components, transportation and packaging, etc., can solve the problems of waiting a lot of time, high cost and material input, high cost, etc.

Active Publication Date: 2013-01-16
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When transshipping containers, this waiting takes a lot of time and leads to undesirably high costs
[0004] One possibility to reduce the vibrations of the crane structure is to design the crane frame more rigidly, but this entails high costs and material inputs

Method used

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  • Vibration absorber
  • Vibration absorber
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 A vibration damper 10 for damping vibrations of a vibratable structure according to a first embodiment of the invention is shown in plan view. The shock absorber 10 includes figure 1 A sensor arrangement, not shown in detail, for detecting vibrational movements of the structure. In addition, a linear motor 12 that can be mounted on a vibrating structure is provided, and the linear motor has a linear guide 14 designed as a rail, consisting of two rails 14a and 14b, and along which the linear guide 14 can be moved on a wheel 16. The linear electric locomotive 18 that moves back and forth and moves the damping block. The other elements of the shock absorber 10 constitute a measurement system 20 for detecting the actual speed and the actual position of the linear electric locomotive 18 and the figure 1 not shown in detail in the adjustment device, as subsequently referred to in the Figure 4 To clarify further, the measuring variable input of the regulating dev...

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PUM

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Abstract

The invention relates to a vibration absorber (10:30)used for reducing a vibratile structure (70) and especially the vibration of a crane. The vibration absorber comprises a sensor device (84) used for detecting the vibration motion of the structure (70); a linear motor (12:32)capable of being arranged on the vibratile structure (70)and comprising a linear guiding device (14:34) and a linear electric motor car(18:38) capable of moving back and forth on a wheel (16:36) along the linear guiding device (14:34) and enabling a damping block (86) to move; a measurement system used for detecting the actual speed and actual position of the linear electric motor car(18:38); and an adjusting device (88)of which the measurement parameter input end is connected with the sensor device and adjustment parameter output end is connected with the linear motor (12:32).

Description

technical field [0001] The invention relates to a vibration damper for damping vibrations of an oscillating structure, in particular a crane. Background technique [0002] In a machine, failure to reduce the natural frequency well can result in the machine only being able to work at a limited productivity, or in the machine not being able to do any processing because the machine becomes unstable. [0003] For example, for a container crane used for loading and unloading a container ship, the movement of the crane trolley will cause vibrations of the crane structure in the direction of movement of the crane trolley. Depending on the construction and size of the crane, the amplitude can be up to one meter. Since the tolerances when picking up and lowering containers are in most cases only in the range of a few millimeters, the crane driver has to wait until the vibrations of the crane structure have died down accordingly. When transshipping containers, this waiting takes a l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/02B66C13/00
CPCB66C13/063
Inventor 格哈德・福斯特乌韦・拉德拉埃尔玛・谢菲尔斯迪特马・施托伊贝尔
Owner SIEMENS AG
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