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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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
21.12.2011
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Subjects | |
Online Access | Get full text |
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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. |
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Bibliography: | Application Number: CN20112182151U |