Multi-rope friction hoist head sheave filler block replacing method

Abstract

The invention relates to a multi-rope friction hoist head sheave filler block replacing method. The method comprises the steps of head rope pressing, used filler block destructive damaging, used filler block detaching, and new filler block installation, so that head sheave filler blocks are replaced. Filler blocks of two head sheaves are detached and installed at the same time, and overhaul time of the filler blocks of the head sheaves is shortened on the whole. A sixteen-hole plate is used for rope locking to be matched with stretching and retraction of a rope adjusting oil cylinder to enablethe head rope to be loosened and disengaged from the head sheaves, hoisting for a tank cage and a balance hammer is avoided, and overhaul safety coefficients are greatly increased. A turning device is adopted for destructively turning used filler blocks of four head sheaves, the used filler blocks are extremely easy to detach after being turned, the difficulty brought by forced damage and detaching carried out by a hammer and a flat spade adopted manually in the prior art is lowered, the labor intensity is lowered, and the potential safety hazards brought when multiple workers stand on the head sheaves to manually detach the used filler blocks are avoided.

Description

technical field [0001] The invention provides a method for replacing the lining block of a sky wheel, and in particular relates to a method for replacing the lining block of a multi-rope friction hoist. Background technique [0002] Multi-rope friction hoists are widely used in mine hoisting equipment. With the gradual increase of production tasks, the wear and tear of various parts of the hoist gradually increases during use. Whether the hoist operates safely and effectively will directly affect the completion of production tasks. The daily maintenance of the hoist will require us to complete the maintenance task in a timely, efficient and fast manner. The new shaft of Linglong Gold Mine Lingshan mining area adopts a multi-rope (four ropes and two tails) friction hoist for hoisting, with a lifting height of 960.5 meters. The layer cage and the counterweight are mutually balanced and lifted, and are mainly composed of drums, electric control equipment, reducers, motors, wire...

AI Technical Summary

Problems solved by technology

[0003] Due to the intensive lifting task of the new shaft, the lining block of the sky wheel has been used for a long time, and the lining block wears seriously after a long period of time, and the wear degree of the lining block of the four wheel sets of the sky wheel is different, and the running diameter has an error, so the lining block must be replaced , The disassembly of the old lining block in the replacement process of the lining block is the link that takes the longest time and has the greatest labor intensity in the whole process. In the prior art, two methods are generally used to replace the lining block: the first method is: use hoisting The cage and the counterweight make the first rope loose and detached from the sky wheel, and then use various shapes of crowbars and sledgehammers to manually remove and replace the lining block. This replacement method has a high risk factor and high labor intensity. During the installation process, glue is used for installation, and it is quite difficult to disassemble. According to past experience, the entire lining block replacement process takes more than 60 hours.

The second replacement method is: in order to save the time of disassembling the lining block, the spare sky wheel is replaced as a whole, and the old lining block sky wheel is returned to the factory for replacement. very high

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