Awning device for subway construction
The utility model discloses an awning device for subway construction. COMPRISING TWO FIRST RAIL, second guide rails are arranged at one ends of the two first guide rails; chutes are formed in the upper ends of the first guide rail and the second guide rail; connecting blocks are fixed to one end of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an awning device for subway construction. COMPRISING TWO FIRST RAIL, second guide rails are arranged at one ends of the two first guide rails; chutes are formed in the upper ends of the first guide rail and the second guide rail; connecting blocks are fixed to one end of the first guide rail and one end of the second guide rail, connecting grooves are formed in the other end of the first guide rail and the other end of the second guide rail, the connecting blocks correspond to the connecting grooves, moving blocks are arranged at the upper end of the first guide rail and the upper end of the second guide rail, and pulleys are rotatably connected to the lower ends of the moving blocks. The utility model has a simple structure, reasonable framework, rapid installation, the tunnel protection device is simple in structure and convenient to move, effectively intercepts and buffers stones falling from the upper portion of a tunnel, protects safety of constructors,avoids various problems |
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