Interstage oil pumping structure of two-stage compression screw machine and two-stage compression screw machine

• Main Authors: HAN WENHAN, WANG WEIWEN, CAI YONGQUAN, YAN SHANGKUN, YAO KAIWEN, LIN SIQIAO
• Format: Patent
• Language: Chinese; English
• Published: 16.12.2022
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; WEAPONS

The utility model provides an interstage oil pumping structure of a two-stage compression screw machine. The interstage oil pumping structure of the two-stage compression screw machine comprises a groove formed between two-stage compression shells and an oil pump connected to the bottom of the groove. One end of the oil pump communicates with the groove, and the other end of the oil pump communicates with an oil drum through a filter. The utility model further provides the two-stage compression screw machine which is provided with the interstage oil pumping structure of the two-stage compression screw machine. 本实用新型提供了一种两级压缩螺杆机级间抽油结构，包括：设置在两级压缩壳体之间的凹槽，以及连接在凹槽底部的油泵；所述油泵的一端连通所述凹槽，另一端通过过滤器连通至油桶。本实用新型还提供了一种两级压缩螺杆机，装配了如上所述的两级压缩螺杆机级间抽油结构。