Portal crane hand brake device

The utility model discloses a portal crane hand brake device, its technical scheme main points are: including being fixed in the braking bracket on the portal crane, braking bracket is last to be equipped with the pivot, be fixed with crank A in the pivot, crank A's one end articulates has conn...

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Bibliographic Details
Main Authors QU XIAOBO, WU JINCHUAN, FENG YONGLIN
Format Patent
LanguageChinese
English
Published 27.07.2016
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 utility model discloses a portal crane hand brake device, its technical scheme main points are: including being fixed in the braking bracket on the portal crane, braking bracket is last to be equipped with the pivot, be fixed with crank A in the pivot, crank A's one end articulates has connecting rod A, the one end of keeping away from crank A on the connecting rod A articulates has brake block A, and rotating crank A can put down brake block A and carry out the antiskid braking, the last spacing portion that still is equipped with restriction crank free rotation of braking bracket. 本实用新型公开了种龙门吊手动刹车机构，其技术方案要点是：包括固定于龙门吊上的刹车架，所述刹车架上设有转轴，所述转轴上固定有曲柄A，所述曲柄A的端铰接有连杆A，所述连杆A上远离曲柄A的端铰接有刹车块A，转动曲柄A可以将刹车块A放下进行防滑制动，所述刹车架上还设有限制曲柄自由转动的限位部。
Bibliography:Application Number: CN20162136572U