FIELD: hoisting.
SUBSTANCE: invention relates to a lifting apparatus. Lifting system comprises a lifting apparatus for a vertical mine shaft, containing a drive apparatus installed at the wellhead, a guide apparatus, a transmission rope, and a tension adjustment apparatus. Two hydraulic apparatuses are installed at the ends of the guide apparatus opposing each other. The position of the guide apparatus corresponds to the position of the drive apparatus. The drive apparatus is connected with the guide apparatus by means of the transmission rope, configured to be put to motion. The tension adjustment apparatus is installed in the vertical shaft. The guide apparatus is installed movably on the tension adjustment apparatus. The tension adjustment apparatus comprises a hydraulic apparatus containing a hydraulic cylinder installed rigidly in the vertical shaft, and a piston rod. The free end of the rod is rigidly connected with the guide apparatus. The hydraulic cylinders of the two hydraulic apparatuses are in communication via an oil line.
EFFECT: reduction in the tension fluctuations and increase in the safety of the lifting system.
14 cl, 4 dwg
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|---|---|---|---|
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