In view of the shortcomings of the existing energy-saving hydraulic pumping units, a new hydraulic pumping unit with closed oil circuit is developed, which realizes speed control by using variable frequency hydraulic technology and implements load balance
In view of the shortcomings of the existing energy-saving hydraulic pumping units, a new hydraulic pumping unit with closed oil circuit is developed, which realizes speed control by using variable frequency hydraulic technology and implements load balance
摘要针对现有多种节能型液压抽油机均存在装机功率大、能耗高、自适应能力差等缺点，提出了一种以蓄能器平衡载荷的变频液压闭式节能抽油机。