Locking mechanism and crane front protection device

The invention discloses a locking mechanism and a crane front protection device, and belongs to the field of wheel type hoisting machinery. The locking mechanism comprises a supporting frame, a fixing support and a pressing rod assembly, wherein the pressing rod assembly comprises a bottom plate and...

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Bibliographic Details
Main Authors ZHOU NAN, CUI SHUWEN, ZHANG CUNGANG, LI HAO
Format Patent
LanguageChinese
English
Published 28.12.2021
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 discloses a locking mechanism and a crane front protection device, and belongs to the field of wheel type hoisting machinery. The locking mechanism comprises a supporting frame, a fixing support and a pressing rod assembly, wherein the pressing rod assembly comprises a bottom plate and a pressing-disengaging structure arranged on the bottom plate, the bottom plate is connected to the two sides of the fixing support in a welded mode, the supporting frame is rotationally connected to the fixing support through a hinge pin, elastic protrusions are arranged on the supporting frame, upper locking holes and lower locking holes are formed in the two sides of the fixing support, the upper locking holes and the lower locking holes match with the elastic protrusions without errors, the bottom plate is provided with long circular holes corresponding to the upper locking holes and the lower locking holes, and the pressing-disengaging structure controls rotation and locking of the supporting frame by pressin
Bibliography:Application Number: CN202111041184