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RJZK-Ⅰ型绞车过卷保护装置的工作原理是将电源开关K闭合,220V经变压器B和D_1～D_4整流后得到24V直流电压,正极接地,并与绞车底盘和井架相连。当主、副井罐
The working principle of RJZK-Ⅰ winch over-winding protection device is that the power switch K is closed, 220V is rectified by the transformers B and D_1 ~ D_4 to obtain 24VDC, the positive pole is grounded and connected with the winch chassis and the derrick. When the main and vice well pot