Working cycle of an excavator-lopat
The authors of this book sought to create a technical manual for engineering and technical personnel of adjusting organizations, cuts and mines, establishing or operating single-bucket excavators of medium and high performance. Since the level of preparation of the indicated circle of readers is very diverse, in this book, devoted to the presentation of quite complex specific issues of the electric drive of excavators and its adjustment, the issues known to specialists to specialists.
Individual concepts from the theory of automatic regulation, the characteristics of electrical machines and various amplifiers, etc. D. The book reflected the materials of theoretical and experimental studies of electrical drives of the main mechanisms of excavators conducted by the Department of the EPP MPEI, together with the NKMZ, UZTM, the Dynamo plant and the energy of the energy of the excavator electric drives, made by Hamz, the VNII of the EPP of the EPP MASI, the EPP MASI, the energy of the Energy Control. The Leningrad branch of VNIIEM, as well as extensive experience of the adjustment work carried out by the energy of the energy.
The work cycle of an excavator-lopata consists of a scoop, turning for unloading and turning into a slaughter. Digging is carried out using a lifting mechanism that creates the main cutting force, and the pressure mechanism with which the bucket is introduced into the soil and the thickness of the removed chips is regulated. The rotation of the platform is carried out by the rotation mechanism.
In the process of turning, the lift mechanism is used to raise or lower the bucket, and the pressure mechanism for extending or drawing the handle in accordance with the necessary movements of the bucket in order to install it in the required position during unloading or at the beginning of digging. The work cycle of an excavator -stringe is the same main stages – scooping, turning for unloading and turning into a slaughter. In the process of scooping, the cutting force is created by the traction mechanism, and the pressure necessary for the introduction of the cutting edge or teeth of the bucket into the ground is provided by its own weight of the bucket.
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