Crane protection device for building

The invention relates to the field of building mechanical equipment, in particular to a building crane protection device which comprises a cross beam, a first pulley and a winch are installed on the bottom face of the cross beam, a telescopic device is installed on the top face of the cross beam, th...

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Bibliographic Details
Main Authors ZHAI ZHENGGUO, ZHAI ZHENGJUN, ZHAI HENGNIAN
Format Patent
LanguageChinese
English
Published 03.02.2023
Subjects
CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The invention relates to the field of building mechanical equipment, in particular to a building crane protection device which comprises a cross beam, a first pulley and a winch are installed on the bottom face of the cross beam, a telescopic device is installed on the top face of the cross beam, the power output end of the telescopic device is connected with a first fixing block, and the first fixing block is connected with a second fixing block. The first fixing block and the second fixing block are connected in a sliding mode. The first pulley and the winch are respectively connected with the second fixing block; a balancing weight is arranged on the bottom face of the cross beam and located between the first pulley and the winch. When the distance between the first fixing block and the second fixing block is closest, the bottom end of the balancing weight is higher than the top end of the first pulley wheel disc or is as high as the top end of the first pulley wheel disc; and when the distance between the
Bibliography:Application Number: CN202211284114