The chain scraper conveyor can be divided into three types: horizontal type, inclined type and curved type according to the user's use environment and design requirements. The chain is the transmission part of the equipment, and the adjustment of its tightness is related to whether the equipment can operate normally. Therefore, here It is necessary to explain the adjustment method of the chain and the tension part to facilitate the maintenance and operation of the user during use.
The function of the chain tightening device of the scraper chain conveyor: adjust the tightness of the scraper chain to make it have a certain pre-tightening force. Prevent loose chain or pile chain. The adjustment of the chain-tightening device of the scraper conveyor is a very important part of the adjustment of the scraper chain conveyor. The two reversing rollers at the upper part of the chain tension should act perpendicularly to the direction of the chain scraper conveyor. In addition, it should also act on the scraper chain, so as not only to ensure the level of the chain. When using spiral tensioning or chain scraper conveyor tensioning, the two bearings of the tensioning roller move at the same time to ensure that the roller axis is perpendicular to the chain-scraper conveyor and the longitudinal direction. When the scraper chain is installed, a certain pre-tightening force must be given so that the chain does not slack or accumulate at the point of minimum tension when it runs. There are three ways of tightening the chain currently used: one is to fix one end of the scraper chain on the head frame, and the other end to wind the head sprocket. The motor in the head is used to reverse the sprocket and tighten the chain; The other method is basically the same as the previous one, except that the chain is tightened with a special hydraulic motor instead of the motor reverse rotation; the third is to tighten the chain with a special hydraulic cylinder. The above three methods can easily adjust the chain tension.
When adjusting thescraper chain conveyor, it should be noted that the tightness of the scraper chain in the casing should not be too tight or too loose. If the scraper chain is too loose, it is easy to swing and collide with the casing during operation, and the phenomenon of loose or piled chains will occur, and the scraper and chain will wear seriously for a long time.
