CN101210566A - Diving electric pump with decelerator - Google Patents
Diving electric pump with decelerator Download PDFInfo
- Publication number
- CN101210566A CN101210566A CNA2006101479447A CN200610147944A CN101210566A CN 101210566 A CN101210566 A CN 101210566A CN A2006101479447 A CNA2006101479447 A CN A2006101479447A CN 200610147944 A CN200610147944 A CN 200610147944A CN 101210566 A CN101210566 A CN 101210566A
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- gear
- pump
- motor
- shaft
- water pump
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Abstract
The invention relates to a submersible pump with a retarder, which is composed of a motor, a pump body, a water pump guide blade body and a pump shaft. The water pump guide blade body is arranged inside the pump body, the pump shaft is arranged on a clapboard positioned in the water pump guide blade body via a bearing, an oil cavity is arranged at the upper part of the clapboard in the water pump guide blade body, a reducciton gear box is arranged at the upper part of the water pump guide blade body, the motor is arranged at the upper part of the reduction gear box, an output shaft of the motor is arranged in the reduction gear box via the bearing, and a reduction mechanism is arranged in the reduction gear box. By arranging the reduction mechanism between the motor and the pump shaft, the invention lowers the number of poles of the motor in the condition of guaranteeing the rotation speed of the pump shaft, and reduces the size and the cost of the motor. With compact structure and low cost, the invention guarantees that the purposes of reducing cost and enhancing effect can be achieved when the water pump is in normal operation, and has outstanding performance.
Description
Technical field:
The present invention relates to mechanical field, relate in particular to pump, particularly a kind of Submerged Motor Pumps with retarder.
Background technique:
Axial-flow pump, or claim mixed flow pump, have big flow, be applicable in the characteristics used of low lift, control flood and drain flooded fields, fields such as field irrigation, water conservancy construction are used widely.And submersible axial flow pump, or claim mixed flow pump, convenient for installation and maintenance because of the pump structure compactness, the pumping plant investment is little, favored by the user, is the Updated product of traditional axial flow pump unit.In the prior art, submersible axial flow pump is made of motor, the pump housing, water pump diffuser and pump shaft, described water pump diffuser is arranged at described pump housing inside, described pump shaft is arranged on the dividing plate of described water pump diffuser inside by bearing, described water pump diffuser internal partition top is provided with the chamber, grease chamber, described motor is arranged at the top of described water pump diffuser, and described motor shaft is arranged at described water pump diffuser inside by bearing.The working condition requirement bore of this electric pump is more than 1200mm, and it is 370r/min that pump requires rotating speed, 295r/min, 245r/min, in the prior art, directly drive Submerged Motor Pumps with standard electromotor, supporting motor pole number needs 16,20,24 utmost points, the seat No. of these multipole several motors is big, and corresponding volume is big, heaviness, the cost height.Because the motor radial dimension is big, need to adopt the pit shaft formula to install, influence effective water cross section of crossing of pit shaft again.
Summary of the invention:
The purpose of this invention is to provide a kind of Submerged Motor Pumps with retarder, the Submerged Motor Pumps of described this band retarder will solve that the motor volume of submersible axial flow pump is big in the prior art, cost is high, influence the technical problem in effective water cross section of pit shaft.
The Submerged Motor Pumps of this band retarder of the present invention is by motor, the pump housing, water pump diffuser and pump shaft constitute, described water pump diffuser is arranged at described pump housing inside, described pump shaft is arranged on the dividing plate of described water pump diffuser inside by bearing, described water pump diffuser internal partition top is provided with the chamber, grease chamber, wherein, the top of described water pump diffuser is provided with a reduction gear box, described motor is arranged at described reduction gear upper box part, the output shaft of described motor is arranged at reduction gear box inside by bearing, is provided with reducing gear in the reduction gear box.
Further, the reduction speed ratio of described reducing gear is 1: 4 or 1: 5 or 1: 6.
Further, the number of poles of described motor is less than 16 utmost points.
Further, described reducing gear is by first small gear, second small gear, first gear, second largest gear and transmission shaft constitute, described transmission shaft is arranged at described gear case body one side by two bearings of upper and lower end, the described first gear and second small gear are arranged at the upper and lower end of transmission shaft respectively, described first small gear is arranged on the interior motor shaft of described gear-box, described second largest gear is arranged at the top of described pump shaft, the upper end of described pump shaft is arranged in the described gear-box by bearing fixing, described first small gear and first gear engagement, described second small gear and second largest gear are meshed.
Further, be provided with lubricating structure in the described reduction gear box, described lubricating structure is made of oil pump, lubricant pipe, oil separator and oil nozzle, described oil pump is arranged at the lower end of described transmission shaft, one end of described lubricant pipe is arranged on the oil outlet of described oil pump, the other end is provided with oil separator, and described oil separator is provided with at least one described oil nozzle, and described oil nozzle is separately positioned on motor shaft socket end, first gear and the first pinion place.
Working principle of the present invention is: by between motor and pump shaft reducing gear being set, having reduced the number of poles of motor under the situation that guarantees the pump shaft rotating speed, and reduced the volume and the cost of motor.
The present invention and prior art contrast, and effect is positive and tangible.Compact structure of the present invention, cost are low, have guaranteed to play under the situation of water pump proper functioning the purpose of cost efficiency, have significant using effect.
Description of drawings:
Fig. 1 is the structural representation of the Submerged Motor Pumps of band retarder of the present invention.
Embodiment:
As shown in Figure 1, a kind of Submerged Motor Pumps of the present invention with retarder, by motor 11, the pump housing, water pump diffuser 2 and pump shaft 1 constitute, described water pump diffuser 2 is arranged at described pump housing inside, described pump shaft 1 is arranged on the dividing plate of described water pump diffuser 2 inside by bearing, described water pump diffuser internal partition top is provided with chamber, grease chamber 3, wherein, also be provided with a reduction gear box 6 on the top of described water pump diffuser 2, described motor 11 is arranged at described gear-box 6 tops, the axle 13 of described motor 11 is arranged at described gear-box 6 inside by bearing, in described reduction gear box 6, be provided with reducing gear, described reducing gear is by first small gear 14, second small gear 7, first gear 8, second largest gear 15 and transmission shaft 16 constitute, described transmission shaft 16 is by two bearings 10 of upper and lower end, 5 are arranged at described gear case body 6 one sides respectively, the described first gear 8 and second small gear 7 are arranged at the upper and lower end of transmission shaft 16 respectively, described first small gear 14 is arranged at motor shaft 13 lower ends in the described gear-box 6, described second largest gear 15 is arranged at the top of described pump shaft 1, the upper end of described pump shaft 1 is arranged in the described gear-box 6 by bearing fixing, described first small gear 14 and 8 engagements of first gear, described second small gear 7 and second largest gear 15 are meshed.
Further, also be provided with lubricating structure in described reduction gear box 6 inside, described lubricating structure is made of oil pump 4, lubricant pipe 9, oil separator 12 and oil nozzle 17, described oil pump 4 is arranged at the lower end of described transmission shaft 16, one end of described lubricant pipe 9 is arranged on the oil outlet of described oil pump 4, the other end is provided with oil separator 12, described oil separator 12 is provided with at least one described oil nozzle 17, and described oil nozzle 17 is separately positioned on motor shaft 13 bearing ends, first gear 8 and first small gear, 14 engagement places.
Claims (5)
1. Submerged Motor Pumps with retarder, by motor, the pump housing, water pump diffuser and pump shaft constitute, described water pump diffuser is arranged at described pump housing inside, described pump shaft is arranged on the dividing plate of described water pump diffuser inside by bearing, described water pump diffuser internal partition top is provided with the chamber, grease chamber, it is characterized in that: the top of described water pump diffuser is provided with a reduction gear box, described motor is arranged at described reduction gear upper box part, the output shaft of described motor is arranged at reduction gear box inside by bearing, is provided with reducing gear in the reduction gear box.
2. the Submerged Motor Pumps of band retarder as claimed in claim 1 is characterized in that: the reduction speed ratio of described reducing gear is 1: 4 or 1: 5 or 1: 6.
3. the Submerged Motor Pumps of band retarder as claimed in claim 1 is characterized in that: the number of poles of described motor is less than 16 utmost points.
4. the Submerged Motor Pumps of band retarder as claimed in claim 1, it is characterized in that: described reducing gear is by first small gear, second small gear, first gear, second largest gear and transmission shaft constitute, described transmission shaft is arranged at described gear case body one side by two bearings of upper and lower end, the described first gear and second small gear are arranged at the upper and lower end of transmission shaft respectively, described first small gear is arranged on the interior motor shaft of described gear-box, described second largest gear is arranged at the top of described pump shaft, the upper end of described pump shaft is arranged in the described gear-box by bearing fixing, described first small gear and first gear engagement, described second small gear and second largest gear are meshed.
5. the Submerged Motor Pumps of band retarder as claimed in claim 4, it is characterized in that: be provided with lubricating structure in the described reduction gear box, described lubricating structure is made of oil pump, lubricant pipe, oil separator and oil nozzle, described oil pump is arranged at the lower end of described transmission shaft, one end of described lubricant pipe is arranged on the oil outlet of described oil pump, the other end is provided with oil separator, described oil separator is provided with at least one described oil nozzle, and described oil nozzle is separately positioned on motor shaft socket end, first gear and the first pinion place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101479447A CN100520078C (en) | 2006-12-25 | 2006-12-25 | Diving electric pump with decelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101479447A CN100520078C (en) | 2006-12-25 | 2006-12-25 | Diving electric pump with decelerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101210566A true CN101210566A (en) | 2008-07-02 |
| CN100520078C CN100520078C (en) | 2009-07-29 |
Family
ID=39610787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101479447A Expired - Fee Related CN100520078C (en) | 2006-12-25 | 2006-12-25 | Diving electric pump with decelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100520078C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514730A (en) * | 2014-12-26 | 2015-04-15 | 合肥恒大江海泵业股份有限公司 | Submersible electric pump |
-
2006
- 2006-12-25 CN CNB2006101479447A patent/CN100520078C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514730A (en) * | 2014-12-26 | 2015-04-15 | 合肥恒大江海泵业股份有限公司 | Submersible electric pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100520078C (en) | 2009-07-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20151225 |
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| EXPY | Termination of patent right or utility model |