公开(公告)号：WO1998023526A1

公开(公告)日：1998-06-04

申请号：PCT/EP1997000466

申请日：1997-02-03

Applicant: P.F.B. S.R.L. ,  BARALDI, Roberto

Inventor： P.F.B. S.R.L.

IPC: B66B05/04

CPC classification number: B66B5/044 ,  B66B5/046 ,  F16H55/36

Abstract: A pulley means, particularly for lifting apparatuses, comprising supporting means (2, 3, 4, 26) for rotatably supporting a pulley (5, 6, 9) having a peripheral groove suitable for receiving a respective rope (10), stop means (19, 20, 18) of said pulley comprising first stop means (19, 20) integral with said pulley (5, 6, 9) and designed for receiving second stop means (18) supported by said supporting means (2, 3, 4, 26), the second stop means (18) being associated with speed detecting means (13, 14, 15) that controls the action of said second stop means (18) on said first stop means (19, 20) when the peripheral speed of said pulley (5, 6, 9) exceeds a predetermined value, said pulley (5, 6, 9) comprising a central portion (5, 6) provided with at least a first coupling surface (7) to which a separate pulley crown element (9) having said peripheral groove is fixed.

Abstract translation: 特别是用于提升装置的滑轮装置，包括用于可旋转地支撑具有适于接收相应绳索（10）的周向槽的滑轮（5,6）的支撑装置（2,3,4,26），停止装置 所述滑轮包括与所述滑轮（5,6,9）成一体的第一止动装置（19,20）并被设计成用于接收由所述支撑装置（2,3,4）支撑的第二止动装置（18） ，26），所述第二停止装置（18）与速度检测装置（13,14,15）相关联，当速度检测装置（13,14,15）在所述第一停止装置（19,20）的周向速度 所述滑轮（5,6,9）超过预定值，所述滑轮（5,6）包括设置有至少一个第一联接表面（7）的中心部分（5,6），所述第一联接表面（7） 具有所述周边槽的元件（9）是固定的。