CN201521462U - Novel full through-flow submersible pump - Google Patents
Novel full through-flow submersible pump Download PDFInfo
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- CN201521462U CN201521462U CN2009202503211U CN200920250321U CN201521462U CN 201521462 U CN201521462 U CN 201521462U CN 2009202503211 U CN2009202503211 U CN 2009202503211U CN 200920250321 U CN200920250321 U CN 200920250321U CN 201521462 U CN201521462 U CN 201521462U
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Abstract
The utility model relates to a novel full through-flow submersible pump. A submersible motor adopts a wet stator winding structure; an impeller of a water pump is arranged in an inner cavity of a motor stator; blades of the impeller and an inner circle of the motor rotor formed by stacking up silicon steel plates are welded integrally; a radial bearing and a double-direction thrust bearing are arranged in a bearing cavity sealed inside the motor rotor with the impeller; the rotor with the impeller is rotary while a shaft is fixed; and the interior of the rotary bearing cavity adopts a moving seal structure. The utility model has the benefits that winding wires improve the electric insulation strength of the submersible motor, so that the complete machine reliability is improved; and the blades of the impeller and the inner circle of the motor rotor formed by stacking up silicon steel plates are welded integrally, thereby reducing the outer diameter of the motor rotor, improving the motor efficiency, greatly lowering the requirements for strength and rigidity of the shaft, enhancing the reliability, achieving the purposes of compact moving seal structure and good sealing effect, and decreasing the axial length dimension to compact the structure and save material.
Description
Technical field
The utility model relates to a kind of through-flow submersible electric pump, particularly relates to a kind of novel full-tubular Submerged Motor Pumps.
Background technique
At present, the water pump of existing common through-flow submersible electric pump and motor coaxle on the market, motor is a dry-type submersible motor, and pumps water stream flows to outlet passage through the motor outer wall, and it doesn't matter with motor internal.Common through-flow submersible electric pump has following deficiency: poor reliability, and motor cavity is easily intake, and causes that easily winding burns phenomenon; Because the motor diameter restriction, water outlet place of water pump has an angle of flare, causes certain divergence loss, has influence on the efficient of water pump; The Submerged Motor Pumps axial length is long, and length is 2100～6300mm, is not easy to be mounted to forms such as gate pump; Complex structure, not easy-maintaining.
Summary of the invention
The purpose of this utility model is exactly in order to solve above-mentioned deficiency of the prior art, and the not novel full-tubular Submerged Motor Pumps of transmitting torque of a kind of axle is provided, this kind electric pump safety reliability is greatly improved, and has improved motor, pump efficiency, and compact structure, materials are saved.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of novel full-tubular Submerged Motor Pumps, it is characterized in that: submersible motor adopts wet stator winding structure, the impeller of water pump places the inner chamber of rotor, the circle weldering is as a whole in the blade of impeller and the rotor that is formed by the silicon steel plate closed assembly, the power of impeller pumping liquid is that the submersible motor rotating magnetic field produces by the rotation of electromagnetic induction impeller, axle is transmitting torque not, have in the rotor inner sealing bearing bore of impeller and be provided with radial bearing and doubledirection thrust bearing, the rotor that has impeller rotates, axle does not rotate, and adopts movable sealing structure in the bearing bore of rotation.
Above-mentioned wet stator winding structure directly contacts with ambient water, and ambient water plays cooling action, and the extraordinary water proof winding wires that adopts the double-deck congruent melting co-extrusion technology of high insulation resistance is as staor winding;
The effect of above-mentioned axle provides rotor rotating center location, and axial force transmission to the diffuser of stationary fixing, and the thrust that can bear positive and negative both direction;
Above-mentioned movable sealing structure adopts float grease seal or mechanical seal.
The beneficial effects of the utility model: winding wire has improved the electric insulation intensity of submersible motor, therefore improved the reliability of complete machine, in the blade of impeller and the rotor that forms by the silicon steel plate closed assembly circle weldering as a whole, to reduce the rotor external diameter, improve electric efficiency, intensity and rigidity requirement to axle reduce greatly, have improved reliability, the movable sealing structure compactness, good sealing effect, can also reduce axial length dimension, make compact structure, materials are saved.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Embodiment
Its structure of the utility model is as shown in Figure 1: a kind of axle is the novel full-tubular Submerged Motor Pumps of transmitting torque not, its critical piece is: submersible motor adopts wet staor winding (1) structure, the impeller of water pump (3) places the inner chamber of rotor (2), the blade of impeller (3) is as a whole with the interior circle weldering of the rotor (2) that is formed by the silicon steel plate closed assembly, the power of impeller (3) pumping liquid is that the submersible motor rotating magnetic field produces by electromagnetic induction impeller (3) rotation, axle (6) is transmitting torque not, have in rotor (2) the inner sealing bearing bore of impeller (3) and be provided with radial bearing and doubledirection thrust bearing, the rotor that has impeller (3) rotates, axle does not rotate, and adopts movable sealing structure (5) in the bearing bore of rotation.
The staor winding of submersible motor (1) adopts the extraordinary water proof winding wires of the double-deck congruent melting co-extrusion technology of high insulation resistance, and this winding wire has improved the electric insulation intensity of submersible motor, has therefore improved the reliability of complete machine.
The water abrasion consumption of motor is directly proportional with five powers of rotor (2) external diameter, in order to reduce the water abrasion consumption of motor, reducing rotor (2) external diameter as much as possible is effective method, the present invention has cancelled the water pump vane case body for this reason, circle in the blade of impeller (3) and the rotor that is formed by the silicon steel plate closed assembly is welded as a whole, serve as impeller housing by rotor (2), corresponding the reducing of rotor (2) external diameter, water abrasion consumption also reduces thereupon, and electric efficiency obtains certain raising.
Impeller (3) is as a whole with the interior circle weldering of rotor (2), impeller (3) is not directly installed on the axle (6), but be connected with axle (6) by the bearing (4) that is installed in the wheel hub, therefore the power of pumping liquid is that the submersible motor rotating magnetic field produces by electromagnetic induction impeller (3) rotation, be that bearing (4) outer ring is with impeller (3) and rotor (2) rotation, and bearing (4) inner ring does not all rotate with axle (6), so axle (6) is a transmitting torque not, and the intensity of axle (6) and the requirement of rigidity reduced greatly.
Have in rotor (2) the inner sealing bearing bore of impeller (3) and be provided with radial bearing (4) and doubledirection thrust bearing (4), the rotor (2) that has impeller rotates, axle (6) does not rotate, the effect of axle (6) provides the centralized positioning of rotor (2) rotation, and axial force transmission to the diffuser (7) of stationary fixing, and the thrust that can bear positive and negative both direction.
The sealing of Submerged Motor Pumps bearing chamber adopts mechanical seal to be aided with the structural type of outside framework oil seal usually, this structural type is very harsh to the requirement of service condition, be difficult to control, and outside framework oil seal can on axle, grind after running a period of time zanjon, outside framework oil seal just no longer works afterwards, the present invention adopts float grease seal (5), this oil seal structure is simple, and the desertification ability is strong, good sealing effect, the more important thing is its compact structure, can effectively shorten axial length dimension.
When preventing rotor rotation, current wash away winding overhang, have designed protection against erosion labyrinth (10).The isolation layer that directly wash away winding of rotor (2) end face current under centrifugal action limited in this protection against erosion labyrinth (10), improves reliability.
Claims (3)
1. novel full-tubular Submerged Motor Pumps, it is characterized in that: submersible motor adopts wet stator winding structure, the impeller of water pump places the inner chamber of rotor, the circle weldering is as a whole in the blade of impeller and the rotor that is formed by the silicon steel plate closed assembly, have in the rotor inner sealing bearing bore of impeller and be provided with radial bearing and doubledirection thrust bearing, adopt movable sealing structure in the bearing bore of rotation.
2. novel full-tubular Submerged Motor Pumps according to claim 1 is characterized in that: described stator winding structure adopts high insulated water proof winding wires as staor winding.
3. novel full-tubular Submerged Motor Pumps according to claim 1 is characterized in that: described movable sealing structure adopts float grease seal or mechanical seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202503211U CN201521462U (en) | 2009-11-13 | 2009-11-13 | Novel full through-flow submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202503211U CN201521462U (en) | 2009-11-13 | 2009-11-13 | Novel full through-flow submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201521462U true CN201521462U (en) | 2010-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202503211U Expired - Lifetime CN201521462U (en) | 2009-11-13 | 2009-11-13 | Novel full through-flow submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201521462U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297142A (en) * | 2011-07-29 | 2011-12-28 | 奇瑞汽车股份有限公司 | Electronic water pump for vehicle |
| CN105114332A (en) * | 2015-08-03 | 2015-12-02 | 天津甘泉集团有限公司 | Efficient all-crossflow submersible electric pump and application method thereof |
| CN105162300A (en) * | 2015-08-03 | 2015-12-16 | 天津甘泉集团有限公司 | Fanning strip welded rotor with second squirrel-cage rotor |
| CN108518346A (en) * | 2018-02-11 | 2018-09-11 | 王立 | The multipurpose of electromechanical one pumps |
| CN111835145A (en) * | 2020-08-10 | 2020-10-27 | 哈动国家水力发电设备工程技术研究中心有限公司 | Bidirectional full-through-flow permanent magnet generator |
| CN112253485A (en) * | 2020-11-04 | 2021-01-22 | 江苏国泉泵业制造有限公司 | Impeller cantilever type full-through-flow pump |
-
2009
- 2009-11-13 CN CN2009202503211U patent/CN201521462U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297142A (en) * | 2011-07-29 | 2011-12-28 | 奇瑞汽车股份有限公司 | Electronic water pump for vehicle |
| CN105114332A (en) * | 2015-08-03 | 2015-12-02 | 天津甘泉集团有限公司 | Efficient all-crossflow submersible electric pump and application method thereof |
| CN105162300A (en) * | 2015-08-03 | 2015-12-16 | 天津甘泉集团有限公司 | Fanning strip welded rotor with second squirrel-cage rotor |
| CN108518346A (en) * | 2018-02-11 | 2018-09-11 | 王立 | The multipurpose of electromechanical one pumps |
| CN111835145A (en) * | 2020-08-10 | 2020-10-27 | 哈动国家水力发电设备工程技术研究中心有限公司 | Bidirectional full-through-flow permanent magnet generator |
| CN112253485A (en) * | 2020-11-04 | 2021-01-22 | 江苏国泉泵业制造有限公司 | Impeller cantilever type full-through-flow pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100707 |