CN202402337U - Structure for locking vane wheel - Google Patents
Structure for locking vane wheel Download PDFInfo
- Publication number
- CN202402337U CN202402337U CN2011205530735U CN201120553073U CN202402337U CN 202402337 U CN202402337 U CN 202402337U CN 2011205530735 U CN2011205530735 U CN 2011205530735U CN 201120553073 U CN201120553073 U CN 201120553073U CN 202402337 U CN202402337 U CN 202402337U
- Authority
- CN
- China
- Prior art keywords
- vane wheel
- locking
- impeller
- key
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a structure for locking a vane wheel. The structure consists of a clamping spring, a fixing screw, a locking nut, a cambered key, the vane wheel, a shaft, a flat key, an inner spline and an outer spline, wherein the vane wheel is arranged on the shaft through the flat key; the cambered key is arranged at the front end of the vane wheel; the locking nut is connected with the shaft through matching of the inner spline and the outer spline and fixed with the shaft through the fixing screw; and the clamping spring is arranged at the front end of the fixing screw. The structure is simple and designed rationally; after a hot state experiment is performed, and the structure is operated, the structure for locking the vane wheel is convenient to detach and can be reused after being detached; parts are not deformed or damaged; the reliability of locking and detaching the vane wheel is improved; and a high-temperature and high-pressure shielding electric pump can run reliably for a long time.
Description
Technical field: the utility model relates to the impeller locking mechanism that a kind of HTHP shielded electric-pump is used.
Background technique: in the HTHP shielded electric-pump, impeller is important hydraulic part, and the fixing and anti-loose structure of impeller is important, and especially impeller is in the high temperature chamber, and after hot operation, relevant component such as nut, screw thread can deform.At present, what existing HTHP shielded electric-pump adopted is the fixing mode of nut, and impeller and axle head can deform, damage after hot, and screw thread is prone to interlock, and dismounting inconvenience after carrying out high temperature test or operation influences the reliability of electric pump.
Summary of the invention: the purpose of the utility model is to overcome above-mentioned shortcoming; A kind of impeller locking mechanism is provided; What it had mainly solved existing HTHP shielded electric-pump employing is the fixing mode of nut, and impeller and axle head deform, damage after hot, and screw thread is prone to problems such as interlock.The purpose of the utility model is achieved in that a kind of impeller locking mechanism is made up of: jump ring, set screw, locking nut, arc key, impeller, axle, flat key, internal spline, external splines.Impeller is installed on the axle through flat key, and the front end of impeller is equipped with arc key, and locking nut is connected with axle with the cooperation of external splines through internal spline, and is fixed together through set screw, and the front end of set screw is equipped with jump ring.This product structure is simple, and is reasonable in design, owing to increased the protection to arc key, prevented in the process of running up, to come off; Adopt the mode of spline,, adopt the jump ring locking mechanism, prevented that toner screw from getting in the pump chamber than traditional screw-threaded coupling better reliability; Increase Security, adopted spline to connect, increased tolerance level, increased the rigidity that connects; This structure can be used repeatedly simultaneously, need not finishing, on the HTHP shielded electric-pump of the domestic maximum pressure of the design pressure 32MPa of company, uses simple installation; After carrying out hot test and moving, convenient disassembly, the dismounting back is reusable; Not distortion and damage phenomenon of component improved the reliability of impeller locking and dismounting, guaranteed the operation that the HTHP shielded electric-pump can be reliably and with long-term.
Description of drawings:
Accompanying drawing is the structural representation of a kind of impeller locking mechanism of the utility model.
1-jump ring 2-set screw 3-locking nut 4-arc key
5-impeller 6-axle 7 flat key 8-internal spline 9-external spliness
Embodiment: specify the most preferred embodiment of the utility model below in conjunction with accompanying drawing, a kind of impeller locking mechanism by: jump ring 1, set screw 2, locking nut 3, arc key 4, impeller 5, axle 6, flat key 7, internal spline 8, external splines 9 constitute.Impeller 5 is installed on the axle 6 through flat key 7, and the front end of impeller 5 is equipped with arc key 4, and locking nut 3 is connected with axle 6 with the cooperation of external splines 9 through internal spline 8, and is fixed together through set screw 2, and the front end of set screw 2 is equipped with jump ring 1.
Claims (1)
1. impeller locking mechanism; It is made up of: jump ring (1), set screw (2), locking nut (3), arc key (4), impeller (5), axle (6), flat key (7), internal spline (8), external splines (9); It is characterized in that: impeller (5) is installed on the axle (6) through flat key (7); The front end of impeller (5) is equipped with arc key (4); Locking nut (3) is connected with axle (6) with the cooperation of external splines (9) through internal spline (8), and is fixed together through set screw (2), and the front end of set screw (2) is equipped with jump ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205530735U CN202402337U (en) | 2011-12-27 | 2011-12-27 | Structure for locking vane wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205530735U CN202402337U (en) | 2011-12-27 | 2011-12-27 | Structure for locking vane wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202402337U true CN202402337U (en) | 2012-08-29 |
Family
ID=46699987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205530735U Withdrawn - After Issue CN202402337U (en) | 2011-12-27 | 2011-12-27 | Structure for locking vane wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202402337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185024A (en) * | 2011-12-27 | 2013-07-03 | 佳木斯电机股份有限公司 | Impeller locking structure |
| CN104847690A (en) * | 2015-05-14 | 2015-08-19 | 哈尔滨电气动力装备有限公司 | Nuclear main pump impeller locking mechanism |
-
2011
- 2011-12-27 CN CN2011205530735U patent/CN202402337U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185024A (en) * | 2011-12-27 | 2013-07-03 | 佳木斯电机股份有限公司 | Impeller locking structure |
| CN103185024B (en) * | 2011-12-27 | 2016-01-13 | 佳木斯电机股份有限公司 | A kind of impeller locking mechanism |
| CN104847690A (en) * | 2015-05-14 | 2015-08-19 | 哈尔滨电气动力装备有限公司 | Nuclear main pump impeller locking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120829 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |