Application method of household descending device
When a fire occurs in a high-rise building and the evacuation route is closed by thick smoke and fire, the trapped persons can quickly escape from the danger by using the lifeguard.
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2022
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04
What is the use method and principle of the descender?
The escape descender is a building fire protection device that enables the user to automatically descend at a speed through its own weight and can be used back and forth. As an emergency escape and evacuation equipment, the descender has been promoted all over the world for more than half a century. It helps people escape from windows and balconies when corridors in buildings are blocked by fire or smoke and firefighters do not arrive. But now, its popularity varies widely across countries around the world.
07
2022
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04
In actual use, this fitting uses viscous oil to resist the braking of rotating parts. The amount of viscous oil sealed in such fittings is very large. It is they that produce the damping force effect on the working of the moving parts. What determines the torque? The torque is determined by the viscosity of the grease and the contact area of the oil.
07
2022
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04
Precautions for the use of rotary dampers
What problems should be paid attention to when using the rotary damper? What are the features?
07
2022
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04
A rotary damper is a device used to modify the performance of rotating machinery. Mainly used to change the speed of the kinematic pair to improve its rigidity and resistance characteristics. It is an elastic element with a damping mechanism. In rotating machinery, rotary dampers are used to change the speed of a moving pair to change its stiffness and resistance. It is a device with elastic damping, which can rotate freely, sound or vibration noise, which can reduce noise interference.
07
2022
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04
Introduction to the working principle and characteristics of the rotary damper
In actual use, this kind of fitting uses viscous oil to act as a resistance to the braking of the rotating body parts, and the quantity of viscous grease sealed inside this fitting is very large.
07
2022
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04
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