CN200999767Y - Variable intake performance pump - Google Patents
Variable intake performance pump Download PDFInfo
- Publication number
- CN200999767Y CN200999767Y CNU2006201624516U CN200620162451U CN200999767Y CN 200999767 Y CN200999767 Y CN 200999767Y CN U2006201624516 U CNU2006201624516 U CN U2006201624516U CN 200620162451 U CN200620162451 U CN 200620162451U CN 200999767 Y CN200999767 Y CN 200999767Y
- Authority
- CN
- China
- Prior art keywords
- pump
- suction
- impeller
- shaft
- adjusting mechanism
- 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.)
- Expired - Fee Related
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Abstract
A suction performance variable pump. The utility model comprises a pump body, a pump axle is arranged in the pump body, a main impeller is arranged on the pump axle, a suction body is arranged at the front end of the pump body, a suction cavity is arranged in the suction body, a suction impeller is arranged in the suction cavity, and the suction impeller is connected with the pump axle through a speed adjusting mechanism. The speed adjusting mechanism can be comprised of a planet gear mechanism. The rotation speed of the main impeller equals the motor rotation speed, the rotation speed of the suction impeller can be lowered through the change of the transmission ratio of the speed adjusting mechanism according to the requirements of the anti cavitation performance of the operating occasion, and the flow capacity of the suction impeller is not less than the main impeller under various rotating speeds. The speed adjusting mechanism of the utility model is arranged in the pump structure, the impeller suction performance is adjusted through the speed adjusting mechanism, the installation and the adjustment are convenient, and the anti cavitation performance of the pump under various occasions is enhanced.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to pump, particularly a kind of variable suction performance pump.
Background technique:
Pump is in the course of the work because cavitation can reduce pump performance, and in the prior art, the method that improves the anti-cavitation performance of pump is to add inducer or motor reduction of speed, but these methods cause the cost of whole pump to increase, and can not regulate the suction performance of pump simultaneously.
Summary of the invention:
The purpose of this utility model provides a kind of variable suction performance pump, the unfavorable problem of adjustment technology that described this variable suction performance pump will solve the suction performance of pump in the prior art.
This variable suction performance pump of the present utility model is made of motor, motor frame and the pump housing, described motor frame is arranged on the upside of the pump housing, described motor is arranged on the motor frame, be provided with pump shaft in the pump housing, pump shaft is connected with the output shaft of motor, be provided with main impeller in the pump housing, main impeller is arranged on the pump shaft, wherein, the front end of the described pump housing is provided with a suction body, be provided with a suction chamber in the described suction body, be provided with an intake impeller in the suction chamber, described intake impeller links to each other with described pump shaft by a speed regulating mechanism.
Further, described speed regulating mechanism is made of a planetary gears, described planetary gears is by central gear, planet pin, planet carrier, joining shaft and joiner constitute, described central gear is fixedly set in an end of described pump shaft, described joining shaft one end and described intake impeller are fixedly linked, the described joining shaft the other end links to each other with described planet carrier by screw thread, described joiner inner ring is provided with tooth, described tooth is meshed with planetary pinion on the described planet pin, and described planet pin one end links to each other with planet carrier by bolt.
Further, the planetary pinion on described central gear and the described planet pin is a duplicate gear.
Concrete, speed regulating mechanism described in the utility model can adopt known schemes of the prior art, it can be planetary gears, but be not limited to planetary gears, relevant speed regulating mechanism known schemes in the prior art, those skilled in the art all understands, so do not repeat them here.
Working principle of the present utility model is: the rotating speed of main impeller equals motor speed, the rotating speed of intake impeller can require by the velocity ratio that changes speed regulating mechanism according to the anti-cavitation performance of use occasion and carry out reduction of speed, in planetary gears, the engagement system that changes central gear and these two duplicate gears of planetary pinion changes velocity ratio and carries out reduction of speed, intake impeller is under different rotating speeds, and its through-current capability is not less than main impeller.
The utility model and prior art contrast, and its effect is actively with tangible.The utility model is arranged on speed regulating mechanism in the pump structure, by the suction performance of speed regulating mechanism adjustment impeller, so that the anti-cavitation ability of regulating pump, installation, easy to adjust, and improved the cavitation-resistance of pump under different occasion work.
Description of drawings:
Fig. 1 is the structural representation of variable suction performance pump of the present utility model.
Fig. 2 is the structural representation of the speed regulating mechanism in the variable suction performance pump of the present utility model.
Embodiment:
As depicted in figs. 1 and 2, a kind of variable suction performance pump of the utility model, constitute by motor 1, motor frame 2, the pump housing 3, pump shaft 4 and main impeller 5, described main impeller 5 is arranged on the described pump shaft 4, wherein, be provided with suction body 6 at the described pump housing 3 front ends, be provided with intake impeller 7 in described suction body 6, described suction leaf 7 is taken turns by speed regulating mechanism 8 and is linked to each other with described pump shaft 4.
Further, described speed regulating mechanism 8 is planetary gears, described speed regulating mechanism 8 is by central gear 81, planet pin 82, planet carrier 83, joining shaft 84 and joiner 85 constitute, described central gear 81 is fixedly set in an end of described pump shaft 4, described joining shaft 84 1 ends and described intake impeller 7 are fixedly linked, described joining shaft 84 the other ends link to each other with described planet carrier 83 by screw thread, described joiner 85 inner rings are provided with tooth 86, described tooth 86 is meshed with planetary pinion on the described planet pin 82, and described planet pin 82 1 ends link to each other with planet carrier 83 by bolt.
Further, the planetary pinion on described central gear 81 and the described planet pin 82 is a duplicate gear.
Claims (3)
1. variable suction performance pump, constitute by motor, motor frame and the pump housing, described motor frame is arranged on the upside of the pump housing, described motor is arranged on the motor frame, be provided with pump shaft in the pump housing, pump shaft is connected with the output shaft of motor, be provided with main impeller in the pump housing, main impeller is arranged on the pump shaft, it is characterized in that: the front end of the described pump housing is provided with a suction body, be provided with a suction chamber in the described suction body, be provided with an intake impeller in the suction chamber, described intake impeller links to each other with described pump shaft by a speed regulating mechanism.
2. variable suction performance pump as claimed in claim 1, it is characterized in that: described speed regulating mechanism is made of a planetary gears, described planetary gears is by central gear, planet pin, planet carrier, joining shaft and joiner constitute, described central gear is fixedly set in an end of described pump shaft, described joining shaft one end and described intake impeller are fixedly linked, the described joining shaft the other end links to each other with described planet carrier by screw thread, described joiner inner ring is provided with tooth, described tooth is meshed with planetary pinion on the described planet pin, and described planet pin one end links to each other with planet carrier by bolt.
3. variable suction performance pump as claimed in claim 2 is characterized in that: the planetary pinion on described central gear and the described planet pin is a duplicate gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201624516U CN200999767Y (en) | 2006-12-29 | 2006-12-29 | Variable intake performance pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201624516U CN200999767Y (en) | 2006-12-29 | 2006-12-29 | Variable intake performance pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200999767Y true CN200999767Y (en) | 2008-01-02 |
Family
ID=39014174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201624516U Expired - Fee Related CN200999767Y (en) | 2006-12-29 | 2006-12-29 | Variable intake performance pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200999767Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386366A (en) * | 2018-02-01 | 2018-08-10 | 西安航天动力研究所 | A kind of air turbine pump of the pre- press pump of band |
| CN109083844A (en) * | 2018-07-30 | 2018-12-25 | 江苏大学 | A kind of centrifugal pump with convection rotary type inducer |
-
2006
- 2006-12-29 CN CNU2006201624516U patent/CN200999767Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386366A (en) * | 2018-02-01 | 2018-08-10 | 西安航天动力研究所 | A kind of air turbine pump of the pre- press pump of band |
| CN109083844A (en) * | 2018-07-30 | 2018-12-25 | 江苏大学 | A kind of centrifugal pump with convection rotary type inducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |