Explosion proof principle of explosion-proof electric hoist

Assembly and production of electric hoist is mainly divided into three-stage explosion-proof and four-stage explosion-proof. Different explosion-proof grades correspond to different application environments. How is explosion-proof electric hoist explosion-proof? Beijing Weihua Group will explain it to you:

The first is the explosion-proof casing, which contains all the electrical appliances of the idea. The main components of the casing include the end cover, the bearing inner cover, several seats, the terminal block, the wiring screw, the sealing ring, etc. The special point to be introduced is the fixing bolt. The outer casing is equipped with a spring washer. The main function of the washer is to prevent the electric hoist from loosening itself, otherwise the explosion-proof function will be lost.

The mating surface between the explosion-proof enclosures is the flameproof joint surface. This joint surface cannot be bumped or rusted. This joint surface plays a vital role in the construction of the electric hoist because it connects various components and Facilities, so it should not be underestimated.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

Steel Structures

Steel structures can be used in many industries such as foundation reinforce, electric power transmission structures and tubular scaffolding, etc.

A flange can also be a plate or ring to form a rim at the end of a pipe when fastened to the pipe. A blind flange is a plate for covering or closing the end of a pipe. A flange joint is a connection of pipes, where the connecting pieces have flanges by which the parts are bolted together.

Although the word flange generally refers to the actual raised rim or lip of a fitting, many flanged plumbing fittings are themselves known as 'flanges':

There are many different flange standards to be found worldwide. To allow easy functionality and interchangeability, these are designed to have standardised dimensions. Common world standards include ASA/ASME (USA), PN/DIN (European), BS10 (British/Australian), and JIS/KS (Japanese/Korean). In the USA, ANSI stopped publishing B16.5 in 1996, and the standard is ASME B16.5

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