CN202646033U - Diving tubular pump with planetary reducer - Google Patents
Diving tubular pump with planetary reducer Download PDFInfo
- Publication number
- CN202646033U CN202646033U CN 201220254763 CN201220254763U CN202646033U CN 202646033 U CN202646033 U CN 202646033U CN 201220254763 CN201220254763 CN 201220254763 CN 201220254763 U CN201220254763 U CN 201220254763U CN 202646033 U CN202646033 U CN 202646033U
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- planetary reducer
- pump
- flow pump
- diving
- motor
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Abstract
The utility model discloses a diving tubular pump with a planetary reducer. The diving tubular pump with the planetary reducer comprises a pump body component, a hyperbaric diving motor component and the planetary reducer, wherein a main shaft of the hyperbaric diving motor component is connected with the planetary reducer in a driving mode, and an output shaft of the planetary reducer is connected with an impeller component of the pump body component in a driving mode. The diving tubular pump with the planetary reducer is capable of solving the problems of large size, high cost and unsuitable bulb ratio of a motor of an existing high-power diving tubular pump, improving operating efficiency of the diving tubular pump, and satisfying using performance for a user.
Description
Technical field
The utility model relates to a kind of submersible pump, is specifically related to a kind of submersed three-flow pump.
Background technique
Submersed three-flow pump can be used for storm-water drainage, the occasions such as water, regional water transfer are sent in industrial or agricultural, be particularly useful for draining flooded fields and irrigate the low lift that considers, large flow water conservancy, flood protection works, in the situation that lift is identical with specific speed, unit efficiency is higher than conventional vertical-type axial-flow pump and vertical submersible axial flow pump, as adopt two-way through-flow pump, only need change turning to of motor, can realize that forward draws water, reverse drainage
Discharge the submersed three-flow pump of bore 1400～2000mm, power of motor is at 355kW～710kW generally speaking, and it is 370r/min that pump requires rotating speed, 295r/min, 245r/min, 200r/min, and electric pressure is 6kV, 10kv, at present domestic manufacturers adopt traditional structure directly to drive electric pump with electrical machine with large number of poles, then supporting motor pole number is 16,20,24,30 utmost points, adopt electrical machine with large number of poles to have the defective of the following aspects:
(1), domestic electrical machine with large number of poles manufacturer is few, technical immature, and because electric machine stand is number larger, and corresponding motor stator and rotor size is large, and weight is heavier, motor cost is high.
(2), since the motor radial dimension large, cause the bulb of through-flow pump than improper (motor casing external diameter and pump impeller diameter ratio), and then affect whole pump performance, hydraulic efficiency is poor.
(3), the electrical machine with large number of poles no load current is large, power factor is low, fluctuation of service, efficient is low.
As shown in Figure 1, existing submersed three-flow pump is mainly by electrical machine with large number of poles 1, cable sealing assembly 2, impeller assembly 3, upper end cap 4, lower end cap 5, mechanical seal 6, rubber seal assembly 7, the compositions such as outlet pipe 8 and supporting foot 9, owing to adopting electrical machine with large number of poles directly to drive, motor three elemental sizes (stator outer diameter/diameter of stator bore/rotor internal diameter) are larger, cause the motor casing external diameter larger, the through-flow pump bulb is than improper, and then affect the flow and lift parameter of pump, and electrical machine with large number of poles is fixed, rotor weight is heavier, rotor is moving, static-unbalance strengthens, fixed, air gap between the rotor is difficult to control, easily cause motor three-phase no-load current imbalance and differ greatly or phenomenon that no load current is excessive, exist power factor low during load operation, can not reach the requirement of the specified output torque of motor, thereby make the efficient of pump not reach designing requirement.
The model utility content
The utility model adopts electrical machine with large number of poles directly to drive existing problem for existing submersed three-flow pump, and a kind of submersed three-flow pump that configures planetary reducer is provided.The volume that this through-flow pump can solve existing high-power submerged tubular pump motor is large, cost is high, and bulb can improve the through-flow pump operational efficiency than inappropriate problem, satisfies user's usability.
In order to achieve the above object, the utility model adopts following technological scheme:
The submersed three-flow pump of configuration planetary reducer, described through-flow pump comprises pump assembly, high-pressure immersed electromotor assembly, it also comprises planetary reducer, the main shaft of described high-pressure immersed electromotor and planetary reducer drive and join, and the output shaft of described planetary reducer drives the impeller assembly that connects in the pump assembly.
In preferred embodiment of the present utility model, the output shaft Output with coaxial line of the main shaft of described high-pressure immersed electromotor and planetary reducer.
Further, described planetary reducer is single-stage planetary speed reducer.
Further, the reduction speed ratio i=4-8 of described planetary reducer.
The through-flow pump that forms according to such scheme has the following advantages:
A) reduce large diving tubular pump motor cost, thereby reduced the electric pump cost;
B) reduce the volume of institute's gas-distributing motor, reduced whole pump weight;
C) solve bulb than inappropriate problem, thereby improved hydraulic performance, improved the operational efficiency of pump.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of existing through-flow pump;
Fig. 2 is structural representation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 2, the submersed three-flow pump of configuration planetary reducer, it comprises pump assembly, high-pressure immersed electromotor assembly and planetary reducer three parts.
Pump assembly comprises housing 101, outlet pipe 102, fair water cone 103, intake pipe 104 and impeller assembly 105 etc.Its middle shell 101 comprises the first shell section of installation high-voltage submersible motor assembly and the second shell section of planetary reducer is installed, realizes sealing by rubber seal assembly 106 between the two and join.Outlet pipe 102 is communicated with the outlet of housing 101, and fair water cone 103 is arranged in the outlet pipe 102; Intake pipe 104 is communicated with the import of housing 101, and impeller assembly 105 is arranged in the intake pipe 104.
High-pressure immersed electromotor assembly integral body is placed in the first shell section of housing 101, it comprises high-pressure immersed electromotor 201, motor ventilating fan parts 202, the terminal of high-pressure immersed electromotor 201 are provided with wiring insulator part 205, around it, form a wire connection cavity by connector cover 203 simultaneously, corresponding cable is by this wire connection cavity, and pass housing 101 ABAP Adapter, realize sealing by cable seal parts 204 between cable and the housing 101.Be provided with wire connection cavity ball float 206 in wire connection cavity, high-pressure immersed electromotor 201 is provided with the first motor cavity ball float 207 and the second motor cavity ball float 208.
The main shaft 201a of high-pressure immersed electromotor 201 drives with planetary reducer by front-end bearing pedestal 209 and joins.Motor ventilating fan parts 202 are arranged on the main shaft 201a, and drive rotation by it.
Planetary reducer integral body is placed in the second shell section of housing 101, the planetary reducer parts that it comprises reduction case 301, is comprised of sun gear 302, planet wheel 303, planet carrier 304, ring gear 305, output shaft 306 etc.Output shaft 306 passes through successively the first rear bearing block 307 and is connected rear bearing block 308 driving connection impeller assemblies 105, realizes sealing by the first mechanical seal 309 and the second mechanical seal 310 between output shaft 306 and the second rear bearing block 308.
Based on such scheme, implementation of the present utility model is as follows:
As shown in the figure, the submersed three-flow pump that the utility model provides mainly is comprised of component such as the less high-pressure immersed electromotor of seat No. (adopting 4 utmost points, 6 utmost point motors of standard), impeller assembly, planetary reducer parts, cable seal parts, fair water cone, outlet pipes, owing to adopting little number of poles motor, so motor casing external diameter less, the bulb of through-flow pump can keep an ideal range than just, thereby improve whole pump hydraulic performance, the operational efficiency of pump can be improved.
The structural type of planetary reducer is the single-stage planetary speed reducer structure, and reduction speed ratio is i=4～8.The retarder parts mainly are comprised of sun gear, planet wheel, planet carrier, ring gear, reduction case, output shaft etc., and sun gear, planet wheel, ring gear all adopt the nickel alloy structural steel, and output shaft adopts alloyed steel to forge structure.
In the complete machine structure design, electric machine main shaft and reducer output shaft are realized Output with coaxial line, the end thrust that unit produces is born by the thrust roller bearing of anti-drive end, between retarder and motor casing oil water probe is installed, and whether monitoring has seepage to advance motor cavity.
Therefore the characteristics such as because to have compact structure, volume and quality little for planetary reducer, gear range is large, and efficient is high, operate steadily, noise is low can effectively reduce whole pump manufacture cost.
Above demonstration and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. configure the submersed three-flow pump of planetary reducer, described through-flow pump comprises pump assembly, high-pressure immersed electromotor assembly, it is characterized in that, described through-flow pump also comprises planetary reducer, the main shaft of described high-pressure immersed electromotor and planetary reducer drive and join, and the output shaft of described planetary reducer drives the impeller assembly that connects in the pump assembly.
2. the submersed three-flow pump of configuration planetary reducer according to claim 1 is characterized in that, the output shaft Output with coaxial line of the main shaft of described high-pressure immersed electromotor and planetary reducer.
3. the submersed three-flow pump of configuration planetary reducer according to claim 1 is characterized in that, described planetary reducer is single-stage planetary speed reducer.
4. the submersed three-flow pump of configuration planetary reducer according to claim 1 is characterized in that, the reduction speed ratio i=4-8 of described planetary reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220254763 CN202646033U (en) | 2012-05-31 | 2012-05-31 | Diving tubular pump with planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220254763 CN202646033U (en) | 2012-05-31 | 2012-05-31 | Diving tubular pump with planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202646033U true CN202646033U (en) | 2013-01-02 |
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ID=47415150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220254763 Expired - Fee Related CN202646033U (en) | 2012-05-31 | 2012-05-31 | Diving tubular pump with planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202646033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697391A (en) * | 2016-03-31 | 2016-06-22 | 合肥恒大江海泵业股份有限公司 | Slender low-speed submersible electric pump |
| CN115324901A (en) * | 2022-09-19 | 2022-11-11 | 扬州大学 | Bidirectional full tubular pump device with novel vertical shaft structure and mounting method thereof |
-
2012
- 2012-05-31 CN CN 201220254763 patent/CN202646033U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697391A (en) * | 2016-03-31 | 2016-06-22 | 合肥恒大江海泵业股份有限公司 | Slender low-speed submersible electric pump |
| CN115324901A (en) * | 2022-09-19 | 2022-11-11 | 扬州大学 | Bidirectional full tubular pump device with novel vertical shaft structure and mounting method thereof |
| CN115324901B (en) * | 2022-09-19 | 2024-05-17 | 扬州大学 | Novel shaft structure bidirectional full-through-flow pump device and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20160531 |