PROBLEM TO BE SOLVED: To provide a chain hoist which can lift or lower an object to be lifted precisely to a correct height.SOLUTION: There is provided the chain hoist comprising : a body (1); a hoist chain (2) passing through the body; through-holes (3, 4) in the body for the hoist chain; and an actuator arrangement (6, 7, 8) for operating the chain hoist, the actuator being used for moving the hoist chain through the through-holes in a lifting or lowering direction of the chain hoist, and on the side of at least one through-hole (3, 4) the portion of the hoist chain (2) moving outside the body (1) is provided with a limiter member whose position in the longitudinal direction of the hoist chain is adjustable, the limiter member being provided with a detectable sensor (11); and a sensor detection member (12) is provided in the vicinity of the through-hole to detect the detectable sensor (11) at a predetermined distance.SELECTED DRAWING: Figure 1
【課題】持上げ対象物を正しい高さに正確に昇降させるチェーン巻上機を提供。【解決手段】本体(1)と、本体を通り抜ける巻上チェーン(2)と、本体にあり巻上チェーンに用いる貫通孔(3、4)と、チェーン巻上機を作動させるアクチュエータ装置(6、7、8)とを有し、アクチュエータは巻上チェーンをチェーン巻上機の上昇または下降方向に貫通孔を通過させて動かす用に供するチェーン巻上機において、貫通孔(3、4)のうち少なくとも一方の側で、本体(1)の外側で動く巻上チェーン(2)の一部分にリミッタ部材を備え、巻上チェーンの長手方向におけるリミッタ部材の位置は調節可能であり、リミッタ部材は可検出センサ(11)を備え、さらに貫通孔の近傍にセンサ検出部(12)を備え、所定の距離で可検出センサ(11)を検出する。【選択図】図1
CHAIN HOIST
チェーン巻上機
2016-04-21
Patent
Electronic Resource
Japanese
IPC: | B66D Haspeln , CAPSTANS |