The crushing shaft is composed of crushing shaft, cutter tooth base, cutter tooth, flat key, bearing, seal and fastening bolt. The strong rival of coal "big block" is broken shaft group, today we are going to introduce this "strong rival"!
Trough crusher is used with the transfer machine, using the high speed rotating hammer head to impact and squeeze large raw coal, so as to achieve the required particle size. The crushing shaft assembly is the key component of the crusher, which requires high precision and high stiffness. The middle part of the spindle is equipped with hammer head, which is directly involved in impact crushing. Its performance is the key. Due to the large impact load of the hammer head, high rotation speed, the use of mining is extremely bad, so the performance of the hammer head largely determines the reliability of the crusher.
Main parts function, structure characteristic and installation and maintenance of broken shaft
1. The rotating part of the crushing shaft assembly shall not contact with any other parts in the box body.
2. The distance between any particular point of the rotation part of the crushing shaft set and the side wall of the crushing box is equal on the circumference of the crushing box.
3. The fastening bolts between the cutter body and the cutter tooth base shall not be loosened, and the cutter body shall not be cracked.
4. Manual rotation of the crushing shaft should be smooth and sound.
5. There is no bump mark in the belt groove on the pulley.
6. Prepare for complete machine test in coordination with other parts.
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