A mast for derrick car

The utility model relates to a mast for derrick car, include: the mast level, it is including first mast post that has first passageway and first passageway trace overlay region and the second mast post that has second channel and second channel trace overlay region, movable component, first passage...

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Bibliographic Details
Main Authors SAPE SIKKEMA, PAUL SMULDERS, TEUN VAN ROOIJEN
Format Patent
LanguageChinese
English
Published 17.07.2018
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 relates to a mast for derrick car, include: the mast level, it is including first mast post that has first passageway and first passageway trace overlay region and the second mast post that has second channel and second channel trace overlay region, movable component, first passageway of its joint and second channel for movable component is via the elevator chain along the vertical translation of mast level, first impact damping part, it is fixed in first passageway trace overlay region for when movable component reduces, movable component's the first impact damping part of partly contact, thus some tension at least help releasing from the elevator chain, strike the damping part with the second, it is fixed in second channel trace overlay region for when movable componentreduced, partly contact second of movable component strikeed the damping part, thereby helped releasing from the elevator chain some tension at least. The utility model discloses a mast helps releasing some tension at least
Bibliography:Application Number: CN201721407295U