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THE REQUIREMENTS OF OPERATING HYDRAULIC WINCH

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THE REQUIREMENTS OF OPERATING HYDRAULIC WINCH

Operation hydraulic winch mainly has the following requirements:
 

(1) The following items must be checked before driving:
 

① check the tank oil level, shall not be lower than the oil on the provisions of the height;
 

② check the oil temperature, not higher than 55 ℃;
 

③ check whether the cooling water flow, water pressure should not be higher than 0.3MPa;
 

④ check the operating table pressure gauge is normal, the operating handle is zero, the tank before the two ball valve is in the open position, whether the hydraulic pipeline oil spills;
 

⑤ check the volume switch, emergency foot switch is sensitive and reliable;
 

⑥ Check whether the voltmeter indicates normal. Start double blade pump, check the direction of rotation is correct, the oil pressure gauge should be: operating pressure 2.0 ~ 2.5Mpa, charge pressure 1.0 ~ 1.2MPa back pressure 0.8 ~ 1.0Mpa,
Brake pressure 5.5 ~ 6.0MPa;

 

⑦ Check whether the electro-hydraulic valve is open and its stroke is 10mm.
 

(2) in operation Note:
 

① must drive and park in the following order:
Drive: open the auxiliary pump, then open the main pump.
Stop: stop the main pump, after stopping the auxiliary pump.

 

② disc brake gate and gate brake:
Loose handle: the handle is located in the middle position, hold the handle on the duckbill, lift the rod, open the stroke regulator, brake cylinder oil, disc brake gate brake.
Shipper: at any time to release the handle on the duckbill, the handle to push (or pull) back to zero, stroke regulator valve under the action of the spring was closed, disc brake oil and brake.

 

③ hear the car signal, the handle will slowly push forward (or pull back). Can not be tempted. When the depth indicator indicates the parking position, the operating handle slowly returns to zero. After the drum stops, relax the duckbill, then the winch is
Gate

 

④ run in the mine derailment off the road accident, it should be timely parking. Re-rail need to pull the car, the operation should be slow and smooth. When the oil pressure exceeds the rated pressure, do not allow strong pull. Do not use emergency brake switches in non-emergency situations. If the case
To a sudden power outage or emergency use of emergency braking switch parking, should be subject to the tension of a section of steel wire and other parts of the force to check, confirmed correct before they can continue to run.

Pub Time : 2018-05-11 09:50:49 >> News list
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Shijiazhuang Jun Zhong Machinery Manufacturing Co., Ltd

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