The invention relates to a control method for an oil pump, an impact pump and an anti shock distance. The invention adopts the oil wells encoder piston pump and piston pump stroke and touch the bottom of the anti-collision and pump top pulling distance accurate calculation and measurement, adopt the programmable controller according to the requirements of wells, programming and control of the distance and the bottom of the stroke of the piston pump oil wells under. The automatic control of the collision between the lower piston pump and the piston and the pump and the pulling and pulling distance of the pump is realized.
【技术实现步骤摘要】
【技术保护点】
一种采油机碰泵、防冲距的控制方法,其特征在于:在采油机的驱动轴端面连接绝对值编码器,由编码器对采油机运行时驱动轴旋转的角度位置进行编码,并将编码信号输入可编程序控制器;活塞向下运行时,根据载荷传感器出现卸载信号,电流传感器出现较大电流信号,并将上述接收到的碰泵信号,用位置编码存入计算机程序,该码即为采油机碰泵位置;采油机可按碰泵位置码识别、实施碰泵程序,进行碰泵测试;根据井下供液情况设置合适的活塞与泵底的防冲撞距离,并将防冲撞距离位置码存入计算机控制程序。
【技术特征摘要】
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