Railway bridge isolation fence

The utility model discloses a railroad bridge isolation fence which comprises an installation block, a lifting assembly is arranged in the installation block, an auxiliary assembly is arranged on the outer side of the installation block, the lifting assembly comprises a trapezoidal lead screw, the t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LANG ZHIQIANG, ZHAO ZUQING, HE ZIJIAN, WANG BEI, WANG YI, LIU ZHONGSEN, ZHAO HONGYAN, XING YALEI, DU FUCHENG, YANG BO, HAN LEILEI, TAN XINLING, LIANG GENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ASSEMBLY OF BRIDGES BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FENCING FIXED CONSTRUCTIONS MASTS OR VIADUCTS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL
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Beschreibung
Zusammenfassung:	The utility model discloses a railroad bridge isolation fence which comprises an installation block, a lifting assembly is arranged in the installation block, an auxiliary assembly is arranged on the outer side of the installation block, the lifting assembly comprises a trapezoidal lead screw, the trapezoidal lead screw is rotationally connected to the bottom of the inner wall of the installation block, a worm wheel is fixedly connected to the outer side of the trapezoidal lead screw, and a worm gear is fixedly connected to the outer side of the worm wheel. The bottom of the inner wall of the installation block is fixedly provided with a servo motor, an output shaft of the servo motor is fixedly connected with a worm, and the worm is meshed with the worm gear. According to the railway bridge isolation fence, through cooperation of the servo motor and the worm, the worm gear drives the trapezoidal lead screw to rotate, so that the nut block can move up and down, the nut block can drive the fence blocking rod a