一种适用于极端环境的长轴深井泵
By designing a long-shaft deep well pump suitable for extreme environments, and combining impellers, shock absorption components, and adjustment components, the vibration and sealing problems caused by temperature difference deformation of deep well pumps have been solved, achieving stable operation and improved sealing performance in high and low temperature environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING XINGGE PUMP CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-07-17
AI Technical Summary
Deep well pumps are prone to deformation due to temperature differences in high and low temperature environments, which can lead to increased vibration, affect operational balance and sealing performance, reduce service life and pose safety hazards.
Designed for extreme environments, this long-shaft deep well pump employs a combined structure of impeller, damping components, adjustment components, and power components. The adjustment components control the stress and deformation of the intermediate shaft, reducing deformation caused by temperature differences. Combined with bellows to absorb vibration, it achieves operational balance and improved sealing performance.
In extreme temperature environments, it reduces intermediate shaft deformation, lowers vibration, improves sealing performance and overall performance, ensures normal pump operation, extends service life, and reduces safety hazards.
Smart Images
Figure CN224515496U_ABST
Abstract
Claims
1. A long shaft deep well pump suitable for extreme environments, characterized by: include The housing (1) has an intermediate shaft (2) installed inside it. Multiple impellers (3) are installed at the lower end of the intermediate shaft (2). The impellers (3) are covered with a vortex shell (4). The outlet end of the upper-level vortex shell (4) is connected to the inlet end of the lower-level vortex shell (4). The outlet end of the last-level vortex shell (4) is connected to the housing (1). The shock-absorbing component (5) is installed on the upper end of the housing (1), and a drainage component (6) is also installed on the upper end of the shock-absorbing component (5). Adjustment component (7) is installed at the end of the intermediate shaft (2), and the other end of the adjustment component (7) is connected to the power component (8), which is installed on the drainage component (6).
2. The long-shaft deep well pump suitable for extreme environments according to claim 1, characterized in that: The impeller (3) includes a hub (9), on one side of the hub (9) are multiple conveying blades (10) spaced apart, and on the other side of the hub (9) are counterflow blades (11). The conveying blades (10) and the counterflow blades (11) are symmetrically arranged along the plane of the hub (9), and both the conveying blades (10) and the counterflow blades (11) are involute.
3. The long shaft deep well pump suitable for extreme environments as claimed in claim 1 wherein: The shock absorption assembly (5) includes a mounting plate (12), which is mounted on the upper side of the housing (1). A corrugated pipe (13) and a fixing plate (14) are sequentially mounted on the upper end of the mounting plate (12). A guide shaft (15) is also installed on the mounting plate (12). One end of the guide shaft (15) is fixedly connected to the mounting plate (12), and the other end of the guide shaft (15) passes through the fixing plate (14) and is fixed by a nut (16). A limiting boss (17) is also installed on the mounting plate (12).
4. The long shaft deep well pump suitable for extreme environments as claimed in claim 3 wherein: The adjustment component (7) includes a polygonal prism (18) installed at the end of the intermediate shaft (2). A prismatic groove (19) is provided on the outside of the polygonal prism (18) to cooperate with the polygonal prism (18). The polygonal prism (18) and the prismatic groove (19) are in clearance fit. The prismatic groove (19) is provided on the connecting column. The connecting column is connected to the output end of the power component (8) through the connecting shaft (20).
5. The long shaft deep well pump suitable for extreme environments as claimed in claim 1 wherein: A filter assembly (21) is also installed at the lower end of the housing (1).
6. The long shaft deep well pump suitable for extreme environments as claimed in claim 4 wherein: The drainage assembly (6) includes a drainage housing (22), which is connected to the bellows (13). A drain pipe (23) is installed on the drainage housing (22), and a dry diaphragm assembly is also installed inside the drainage housing (22).
7. The long shaft deep well pump suitable for extreme environments as claimed in claim 6 wherein: The dry compartment assembly includes a conical sleeve (24), the large end of which is connected to the drain housing (22), and the small end of which has a through hole, a sealing groove (25) and a first sealing plane (26), and the connecting shaft (20) passes through the through hole; A convex ring (27) is installed on the connecting shaft (20). The convex ring (27) has a boss and a second sealing plane. The boss is located in the sealing groove (25) and the first sealing plane (26) and the second sealing plane abut against each other. An abutment spring (28) is also sleeved outside the connecting shaft (20), and the two ends of the abutment spring (28) abut against the inner wall of the convex ring (27) and the drain housing (22), respectively.
8. The long shaft deep well pump suitable for extreme environments as claimed in claim 1 wherein: A thrust bearing assembly (29) and a support bearing assembly (30) are also installed between the intermediate shaft (2) and the housing (1).
9. The long shaft deep well pump suitable for extreme environments as claimed in claim 6 wherein: A pressure sensor and a control valve are also installed on the outlet pipe (23).