PROBLEM TO BE SOLVED: To provide a camera tremor-proof device that prevents a failure of a camera with a tremor of the camera surely reduced, and enables photographs to be stably taken.SOLUTION: An oscillation-proof device 12 protects a camera 11 installed in a girder of an overhead crane against oscillation. The tremor-proof device 12 is configured to arrange a spring element 16 vertically oscillating a camera holding member 15 holding the camera 11 between the camera holding member 15 and a stationary side member 14 provided on a girder side, and elastically support the camera 11; and set a natural frequency of one free-degree system to be constituted by a mass element consisting of a sum of the camera 11 and the camera holding member 15 to 7.8 Hz or less.SELECTED DRAWING: Figure 2
【課題】天井クレーンのガーダに設置したカメラの振動を確実に低減してカメラの故障を防止するとともに安定的な撮影を行うことができるカメラ防振装置を提供する。【解決手段】天井クレーンのガーダに設置されているカメラ11を防振する防振装置12である。防振装置12は、カメラ11を保持するカメラ保持部材15と、ガーダ側に設けた固定側部材14との間に、カメラ保持部材15を上下方向に振動させるバネ要素16を配置してカメラ11を弾性支持している。そして、カメラ11及びカメラ保持部材15の和からなる質量要素及びバネ要素で構成される1自由度系の固有振動数を、7.8Hz以下に設定している。【選択図】図2
CAMERA TREMOR-PROOF DEVICE, STEEL PRODUCT CONVEYANCE METHOD USING THE SAME, STEEL PRODUCT CONVEYANCE METHOD, STEEL PRODUCT CONVEYANCE DEVICE, AND STEEL PRODUCT MANUFACTURING METHOD
カメラ防振装置、このカメラ防振装置を使用した鋼材の搬送方法、鋼材の搬送装置及び鋼材の製造方法
2018-10-04
Patent
Electronic Resource
Japanese
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