Compact door frame

The utility model discloses a compact door frame, including outer door frame, secondary door frame, fork frame, chain, outer door frame is used for connecting with truck, secondary door frame with outer door frame sliding connection, fork frame sliding connection is on secondary door frame, fork fra...

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Bibliographic Details
Main Authors QIU YIHUI, MAO YUNJIE, XIN GUANGHUI, JIN RUDENG
Format Patent
LanguageChinese
English
Published 09.06.2023
Subjects
HAULING
HOISTING
HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The utility model discloses a compact door frame, including outer door frame, secondary door frame, fork frame, chain, outer door frame is used for connecting with truck, secondary door frame with outer door frame sliding connection, fork frame sliding connection is on secondary door frame, fork frame is provided with fork, both sides of outer door frame are provided with driving oil cylinder, the chain is provided with the chain, the chain is connected with the chain, the chain is connected with the chain, the chain is connected with the chain, and the chain is connected with the chain. A piston rod of the driving oil cylinder is fixedly connected with the secondary door frame and drives the secondary door frame to vertically slide along the outer door frame, reverse pulleys rotationally connected with the secondary door frame are arranged on the two side edges of the secondary door frame, one end of the chain is fixedly connected with the fork frame, and the other end of the chain is fixedly connected with
Bibliography:Application Number: CN202320185407U