Lifting support structure

The invention relates to a lifting support structure, an outer tube and an inner tube made of nonmetallic materials are sleeved to form an extension tube cell, an outwards inclined wall surface of the inner tube or an inside wall surface of the outer tube is provided with a plurality of guide convex...

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Bibliographic Details
Main Author ZHENG GANGHAN
Format Patent
LanguageChinese
English
Published 18.11.2009
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
STANDS OR SUPPORTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The invention relates to a lifting support structure, an outer tube and an inner tube made of nonmetallic materials are sleeved to form an extension tube cell, an outwards inclined wall surface of the inner tube or an inside wall surface of the outer tube is provided with a plurality of guide convex parts, and a coil spring is arranged between the outer tube and the inner tube, so as to simplify the track of the extension tube cell; and an anti-release element can be used to ensure the initial positions of the outer tube and the inner tube, so than the extension tube cell can not be damaged in a transportation process or under the condition of bearing no load.
Bibliography:Application Number: CN2008196942