Protection device for municipal engineering maintenance

A protection device for municipal engineering maintenance comprises a protection frame, the protection frame comprises a bottom supporting frame and a sliding telescopic frame, the sliding telescopicframe is connected to the upper portion of the bottom supporting frame in a sliding mode, a connectin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG HONGWEI, MEI YONG, WANG LIANGSONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION FENCING FIXED CONSTRUCTIONS LABELS OR NAME-PLATES MASTS PHYSICS SEALS SIGNS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL
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Beschreibung
Zusammenfassung:	A protection device for municipal engineering maintenance comprises a protection frame, the protection frame comprises a bottom supporting frame and a sliding telescopic frame, the sliding telescopicframe is connected to the upper portion of the bottom supporting frame in a sliding mode, a connecting lug is fixedly arranged on one side of the upper end of the sliding telescopic frame, and a connecting inserting rod is fixedly arranged on the other side of the upper end of the sliding telescopic frame; the upper portion of the bottom supporting frame is sleeved with the sliding telescopic frame in a sliding mode, the overall height of the protection frame can be adjusted in a sliding mode, due to the fact that the sliding telescopic frame is connected with the bottom supporting frame in asliding mode, the protection frame can be contracted when not used, occupied space is reduced, and transportation and movement are convenient. The protective frames can be spliced together in series to form a protective wall,