There are many reasons for the broken shaft of a single-tube screw conveyor. Today's machinery introduces several common ones, let's take a look. 1. The chain is too tight: it is usually caused when the chain is tightened; 2. Manufacturing quality problems: poor manufacturing quality of round link chains is one of the reasons that cause the chain to break; It is the chain ring that falls off from the sprocket of the head of the scraper single-tube screw loading conveyor
; 4, I-pin drive: When using a die forging chain, the ring and the ring are connected by I-pin; 5, the machine groove is not straight: If the machine groove is not straight, the forces on the two chains are uneven. In severe cases, the tension of the chain is concentrated on one side; when the tension exceeds the limit or the chain is corroded and worn, the chain may be broken; 6, different pitches: scraper After the chain has worked for a period of time, unequal pitch will be formed due to various reasons, and the unequal pitch of the two chains will cause all the load to be concentrated on one chain.
From screw conveyor to scraper conveyor application
In the development process of the conveyor, it has experienced the development era from screw conveyor to scraper conveyor to air conveying chute. At first in the 1930s, screw conveyors entered China. It began to be applied to industrial production. At first, it was applied to the cement industry, and slowly it was also applied in the chemical industry. Later, it was applied to various industries such as agriculture, food, and mining. Until now, the screw conveyor is also used for conveying. The mainstay of machinery. But the times are constantly developing, and the screw conveyor has shortcomings in the process of using it. It was also constantly exposed, so the scraper conveyor was developed later. The development of the scraper conveyor is later than the screw loading conveyor, but the application of the scraper conveyor in some industries such as mining is better than that of the screw conveyor. The buried scraper loading conveyor is remarkable in conveying materials such as dust, small particles and small blocks. Horizontal and inclined conveying, when conveying materials, the conveying distance is long, and it can convey a lot of hot materials.
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