A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention relates to an automatic door closing device for fire. The device comprises a hydraulic main engine, an arm rod, a rotating shaft, a connecting plate and a clamping device, and further comprises a smoke monitoring device, an open fire monitoring device and a driving device, wherein the driving device comprises a linkage rod capable of being rotationally connected to the connecting plate, a transmission column capable of being rotationally connected to the connecting plate, and a transmission rod fixedly connected to the transmission column; one end of the linkage rod has a hook part; the hook part of the linkage rod hooks the transmission rod; the transmission column fits the clamping device; and when smoke or open fire is monitored, the hook part of the linkage rod is deviated from the transmission rod, and the transmission column rotates to deviate the clamping device from the rotating shaft. The device reduces the technology upgrading cost of traditional products, can timely feed back for smoke and fire to perform the closing control for a door, monitors the power consumption of temperature change, reduces the cost, and is simple in structure, high in integration degree and low in installation difficulty requirement.
The invention relates to an automatic door closing device for fire. The device comprises a hydraulic main engine, an arm rod, a rotating shaft, a connecting plate and a clamping device, and further comprises a smoke monitoring device, an open fire monitoring device and a driving device, wherein the driving device comprises a linkage rod capable of being rotationally connected to the connecting plate, a transmission column capable of being rotationally connected to the connecting plate, and a transmission rod fixedly connected to the transmission column; one end of the linkage rod has a hook part; the hook part of the linkage rod hooks the transmission rod; the transmission column fits the clamping device; and when smoke or open fire is monitored, the hook part of the linkage rod is deviated from the transmission rod, and the transmission column rotates to deviate the clamping device from the rotating shaft. The device reduces the technology upgrading cost of traditional products, can timely feed back for smoke and fire to perform the closing control for a door, monitors the power consumption of temperature change, reduces the cost, and is simple in structure, high in integration degree and low in installation difficulty requirement.
Automatic door closing device for fire
2015-11-18
Patent
Electronic Resource
English