How is the ceiling fan connected to the ceiling?

The fan will not fall, it is generally bent into the ceiling by steel bars and hung up on hooks, which is very strong, unless the fan blades fall down, otherwise rest assured!

The fixation is relatively firm, and there is a hook that is hooked to the steel bar or keel. It will shake, but it will not fall.

Unless that rebar is broken, the chances of it coming down are very low.

It won't fall off, and there are rebar hooks.

As long as the pillar doesn't fall, it's fine.

The top of the pendant fan is generally made of expansion bolts, which is relatively strong, but if you are an old house, there may have been steel bars reserved in it before. For safety reasons, it is recommended that you take a ladder to take the ceiling fan down, see how tight the expansion bolts are, and then see if the fan is loose in the bearing, and determine the cause before prescribing the right medicine. If it's a fan problem, the fan is not expensive now, and it should be available for 99 yuan.

If you have to find a master again, you can go over and make an expansion bolt for you. Personally, I prefer ceiling fans, which are very old-fashioned totals to relieve the heat. It's a pity that it seems to be ignored now.

I remember that Midea has ceiling fans for sale, but it should be OEM.

Connected with a latch, if the hook is firm, it will not fall.

Is that very simple? Your electric fan and the girder of your house can be connected together, right?

Generally, when building a house, when the roof is sealed with cement, a hook will be bent with steel bars to hang the fan.

You can also use a percussion drill to drill a hole horizontally in the roof beam, and then insert it with thick steel bars and bend it into a hook that can hook the ceiling fan, and that's it!

Generally, a steel bend is cast for hanging electric fans.

1. If we want to install a ceiling fan indoors, we can build a hook on the ceiling to hook the ceiling with the tail of the ceiling fan. We first bend a steel bar with a diameter of about 10 mm into an S shape, and bend a steel bar into a concave shape in the middle.

2. Next, we will put the concave steel bar in the hole of the prefabricated slab, and hang the S-shaped steel bar on the steel bar; After the power cord is finished, we are sealing and fixing the hole with cement; Finally, we put the shock-absorbing rubber ring of the ceiling fan into the S-shaped hook, installed the ceiling fan and fixed it with expansion bolts.

3. When we install the ceiling fan, the height of the ceiling fan should be appropriate, and under normal circumstances, the blade surface of the ceiling fan should be kept at a distance of about 3 meters from the ground, and the distance from the ceiling should be kept at a distance of 40cm-50cm. Because if the blade surface of the ceiling fan is too close to the ceiling, it will affect the airflow behind the blade, resulting in a decrease in air volume.

4. When we install the ceiling fan, the fixing screws between the boom and between the boom and the fan blade are equipped with anti-loosening devices. We can't change the angle of the ceiling fan when installing the ceiling fan, the ceiling fan wiring must be correct, and after the ceiling fan is installed, we can debug it first. The installation location of the ceiling fan is generally in the center of the house, if there is a conflict between the ceiling fan and the ceiling, etc., we can choose to install a ceiling fan with a light fixture.

As for how to fix the ceiling fan to the ceiling, I will briefly introduce it to you here. I hope that after reading this article, you will be able to understand how to fix a ceiling fan. We can also ask a professional to be responsible for installing the ceiling fan.

Correct answer: B

Electric fans are subjected to tension and gravity, but there is another force: the force of air on top (wind).

The force of the air on the top + the pulling force = f1, the gravitational force = f2, and because the pulling force = the gravitational force, so fi f2.

B. F1 When the F2 ceiling fan is turned on, the wind blows downward, and at the same time, the air will also produce an upward reverse force on the fan, just like ***.