Telescopic structure and pump truck comprising same

The utility model provides a telescopic structure and a pump truck comprising the telescopic structure. The telescopic structure comprises a substrate (10) and a telescopic arm (30) connected with the substrate, wherein the substrate (10) is provided with a first inner cavity, and the cavity wall of...

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Bibliographic Details
Main Authors ZENG ZHONGWEI, YI WEICHUN
Format Patent
LanguageChinese
English
Published 21.12.2011
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PERFORMING OPERATIONS
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, ORMANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
TESTING
TRANSPORTING
VEHICLES IN GENERAL
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Summary:The utility model provides a telescopic structure and a pump truck comprising the telescopic structure. The telescopic structure comprises a substrate (10) and a telescopic arm (30) connected with the substrate, wherein the substrate (10) is provided with a first inner cavity, and the cavity wall of the first inner cavity is provided with a distance measurement device (50) for measuring the telescopic distance of the telescopic arm (30). According to the utility model, the problems of poor measurement accuracy and being largely interfered in the prior art are solved.
Bibliography:Application Number: CN20112182151U