Guardrail-rotatable anti-theft net
The invention discloses an anti-theft net with rotatable rails. A plurality of steel bars are fixedly installed between two angle irons which are movably connected with the plurality of steel bars by a plurality of steel balls arranged on a plurality of nuts, and the steel bars can rotate; the perip...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses an anti-theft net with rotatable rails. A plurality of steel bars are fixedly installed between two angle irons which are movably connected with the plurality of steel bars by a plurality of steel balls arranged on a plurality of nuts, and the steel bars can rotate; the peripheries of the steel bars are sheathed with a plurality of steel sleeves, each steel sleeve is sleeve-jointed with each other by flange grooves and grooves along the height of the steel bars so as to form a combined steel pipe, and each steel sleeve thereon can rotate independently. The nuts are fixedly arranged on the angle irons. The steel sleeves can be processed and manufactured by galvanized water pipes. The plurality of steel balls arranged on the nuts and the steel sleeves are provided with the flange grooves and the grooves which can be subjected to lubricating treatment so as to be beneficial for the rotation and rust protection of contact surfaces. The anti-theft net with the rotatable rails has the advant |
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