Dongda small weaving takes you to learn the use and installation of waterproof and closed door

Safety is the most important issue, especially the safety of underground coal mine. Closed door is an indispensable basic equipment in coal mine. With it, the safety of surrounding environment and human body will be guaranteed. The door leaf and door frame are fixed together by locking device, which is composed of tension bolt and nut with handle, Turning the nut can realize the close cooperation between the door leaf and the door frame. Waterproof closed door is one of the excellent performance of a class, the following is a good introduction to you about some of its detailed knowledge.

Waterproof close door structure:

The door body is mainly composed of door frame, door leaf, locking device and hinge.

Main features of waterproof closed door:

1. The rubber gasket is added between the door body and the door leaf to seal, so the water leakage is small;

2. The system is simple and reliable;

3. Anti corrosion, moisture-proof, flame retardant, high strength.

Use and operation method of waterproof close door:

The device is suitable for the underground roadway of coal mine. The operator can open it manually and close the closed door by using the sealing device on the door. The operation is simple and reliable; When the door switch is not flexible, the abnormal can be eliminated by adjusting the hinge.

Installation method and precautions of waterproof closed door:

(1) The wall around the door frame is poured with C20 concrete, with a thickness of 80cm (the user can also adjust the thickness according to the water pressure, but not less than 50cm);

(2) The heavy hammer and semicircle slope gauge shall be used for the installation of door frame to ensure that the door frame and door beam are horizontal and vertical; It is strictly prohibited to be twisted and the door frame is buried underground;

(3) In the process of door debugging, remove the obstacles around the door frame to ensure that the door can be opened and closed freely;

(4) During debugging, when the door leaf closing is not ideal, the hinge can be adjusted by wedging or opening and closing for many times;

(5) I-steel is fixed on both sides of the airtight door. In order to facilitate transportation, bolt connection is adopted with the door frame. It is required to be installed together.