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Pressure alarming device for protection fence
The invention discloses a pressure alarming device for a protection fence. The device comprises a vertical column head, a base, a connecting block, a moving plate, a switch protecting block, a micro-switch and a spring, wherein limiting plats on the connecting block are arranged at two sides of a left side plate and a right side plate of the base; the switch protecting block is connected with a switch baffle; the micro-switch is arranged between two protecting plates of the switch protecting block; the moving plate is arranged in the base; a transverse moving wing of the moving plate is arranged in a second gap; one end of a longitudinal moving wing of the moving plate is arranged at the bent lower surface and while the other end of the longitudinal moving wing of the moving plate is arranged on the lower surfaces of the switch baffle and a platform; the spring is arranged below the moving plate; the base and the limiting block are arranged in the vertical column head; the limiting block is integrally connected with the vertical column head through a second screw hole. According to the device, the sectional structure is adopted; the vertical head can be additionally mounted in a pyramid form on a vertical column of the fence; accessories are of mechanical structures; the structures are ingenious; the accessories are mounted in the vertical column head; the use is convenient; the sensitivity is high; the alarm effect is good; the service life is long.
Pressure alarming device for protection fence
The invention discloses a pressure alarming device for a protection fence. The device comprises a vertical column head, a base, a connecting block, a moving plate, a switch protecting block, a micro-switch and a spring, wherein limiting plats on the connecting block are arranged at two sides of a left side plate and a right side plate of the base; the switch protecting block is connected with a switch baffle; the micro-switch is arranged between two protecting plates of the switch protecting block; the moving plate is arranged in the base; a transverse moving wing of the moving plate is arranged in a second gap; one end of a longitudinal moving wing of the moving plate is arranged at the bent lower surface and while the other end of the longitudinal moving wing of the moving plate is arranged on the lower surfaces of the switch baffle and a platform; the spring is arranged below the moving plate; the base and the limiting block are arranged in the vertical column head; the limiting block is integrally connected with the vertical column head through a second screw hole. According to the device, the sectional structure is adopted; the vertical head can be additionally mounted in a pyramid form on a vertical column of the fence; accessories are of mechanical structures; the structures are ingenious; the accessories are mounted in the vertical column head; the use is convenient; the sensitivity is high; the alarm effect is good; the service life is long.
Pressure alarming device for protection fence
SONG GUOHUA (Autor:in) / XU LYU (Autor:in) / DING YAJIN (Autor:in) / LIU HAIJUN (Autor:in)
08.07.2015
Patent
Elektronische Ressource
Englisch
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