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Position:Home  /  Industry Info  /  Underground Mining Scraper Winch Causes Of Insufficient Stress

Underground Mining Scraper Winch Causes Of Insufficient Stress

Date:2020-03-05     Label:

Underground Mining Scraper Winch

Mining Scraper Winch

Scraper Winch

Winch

Underground Mining Scraper Winch

   1. The Underground Mining Scraper Winch pump is overheating.

   Causes: ① the oil pump is worn or damaged; ② the viscosity of the oil is too low;

   Elimination method: ① Repair or replace with new one; ② Use hydraulic oil with recommended viscosity.

   2. Underground Mining Scraper Winch oil pump is not turning properly.

   Cause: The electrical wiring is incorrect;

   Elimination method: Correct the rotation direction of the oil pump.

   3. Underground Mining Scraper Winch oil pump speed is too low.

   Cause: The motor is faulty;

   Elimination method: Eliminate the fault.

   4. The Underground Mining Scraper Winch hydraulic station leaks from the high pressure side to the oil return side or the oil cannot pass normally.

   cause:

  ① Insufficient exhaust of proportional relief valve;

  ② The proportional relief valve is not closed, and there are dirt or damaged parts;

  ③ The solenoid valve is dirty or damaged;

  ④ The spool of the direct acting relief valve is stuck or damaged by dirt;

  ⑤ The valve core of the pressure reducing valve is stuck or damaged by dirt.

Underground Mining Scraper Winch Causes Of Insufficient Stress

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