To provide a safety device for a lifting work apparatus which is not easily damaged even by contacting with obstacles and capable of recovering a function by a member replacement.SOLUTION: A safety device 1 comprises a rod part 10 with a base end rod 12 and a top rod 11 connected telescopically in the longitudinal direction to the base end rod 12 and urged to the top side, a cylindrical cushioning part 20 extrapolated into at least the part of the top rod 11, an alarm part 30 mounted on the outside of the base end rod 11, and a joint part 40 connected to the base end rod 12, that is, the joint part 40 capable of fixing to the upper side of a work deck A1. It is characterized that the alarm part 30 has an alarm device 31 that triggers an alarm upon the contact with the base end of the cushioning part 20 and the cushioning part 20 consists of the members capable of compressively deformable materials in the shortening direction of the rod part 10.SELECTED DRAWING: Figure 1
【課題】障害物との接触によっても破損しにくく部材交換によって機能回復可能な昇降作業装置用の安全装置を提供する。【解決手段】本発明の安全装置1は、基端ロッド12と、基端ロッド12に対して長手方向に伸縮自在に接続し先端側に付勢される先端ロッド11と、を有するロッド部10と、先端ロッド11の少なくとも一部に外挿した筒状の緩衝部20と、基端ロッド11に外着した警報部30と、基端ロッド12と連結したジョイント部40であって作業デッキA1の上部に固定可能なジョイント部40と、を備え、警報部30が、緩衝部20の基端との接触によって発報する警報装置31を有し、緩衝部20が、ロッド部10の短縮方向に圧縮変形可能な部材からなることを特徴とする。【選択図】図1
SAFETY DEVICE FOR LIFTING WORK APPARATUS
昇降作業装置用の安全装置
2025-04-28
Patent
Electronic Resource
Japanese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
European Patent Office | 2025
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|European Patent Office | 2025
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