Municipal road foundation pit safety protection device
The utility model discloses a safety protection device for a municipal road foundation pit, which belongs to the technical field of municipal road protection and comprises two symmetrically arranged supporting columns and a plurality of vertically arranged protection mechanisms positioned between th...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a safety protection device for a municipal road foundation pit, which belongs to the technical field of municipal road protection and comprises two symmetrically arranged supporting columns and a plurality of vertically arranged protection mechanisms positioned between the two supporting columns. The protection mechanism comprises a first cross rod and a second cross rod which are arranged in parallel, an inserting rod is integrally formed at the end, facing the second cross rod, of the first cross rod, an inserting groove for the inserting rod to be inserted is formed in the end, facing the first cross rod, of the second cross rod, and a locking bolt is in threaded connection with the interior of a screw hole formed in the outer wall of the second cross rod. The threaded end of the locking bolt abuts against the outer wall of the insertion rod. A plurality of clamping frames are connected to the inner wall of the supporting column, fixing grooves are formed in the outer walls of t |
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