CN213450886U - Submersible axial-flow pump for gate installation - Google Patents
Submersible axial-flow pump for gate installation Download PDFInfo
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- CN213450886U CN213450886U CN202022170750.7U CN202022170750U CN213450886U CN 213450886 U CN213450886 U CN 213450886U CN 202022170750 U CN202022170750 U CN 202022170750U CN 213450886 U CN213450886 U CN 213450886U
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Abstract
The utility model relates to a pump field, concretely relates to dive axial-flow pump for gate installation, including the motor, the pivot that the motor absorbed water the end is fixed with guide vane body, impeller part and runner room in proper order, the shell of motor on be provided with the guide plate, the quantity of guide plate and the stator quantity of guide vane body unanimous, the installation angle of guide plate and the installation angle of stator are unanimous. The submersible axial-flow pump is installed in the inner hole of the gate, the guide plate is positioned between the motor and the flow channel of the inner hole of the gate, the number of the guide plates is consistent with that of the guide vanes of the guide vane body, and the angle is basically consistent with that of the guide vanes of the guide vane body, so that the hydraulic loss can be effectively reduced, and the efficiency of the pump is improved.
Description
Technical Field
The utility model relates to a pump field, concretely relates to dive axial-flow pump for gate installation.
Background
The submersible axial-flow pump is mainly applied to urban water supply, diversion engineering, urban sewage drainage systems, sewage treatment engineering, thermal power station circulating water, dock water supply and drainage, hydraulic engineering, waterlogging drainage irrigation, aquaculture and the like; it has the advantages of large flow, low lift, good cavitation resistance, etc.
The traditional pump station axial-flow pump generally adopts a shaft suspension or concrete prefabricated shaft installation mode, a gate and a pump are in two different flow channels, the occupied area is large, the civil engineering investment, the equipment investment and the later maintenance cost are often very high, and the new structure submerged axial-flow pump for gate installation is developed, so that the pump and the gate are combined into a whole, and the problem can be well solved.
Traditional dive axial-flow pump comprises horn mouth, impeller part, guide vane body, motor part etc. and motor part comprises stator, rotor, connecting seat, upper end cover, play spool, cable seal subassembly etc. and the water pump is very long, and when being used for the gate mounting means, its cantilever is very long, and the focus deviates the strong point a lot. If the water pump vibrates violently during operation, the shift of the gravity center is not beneficial to the safe operation of the water pump, and the long cantilever is not beneficial to the installation, the disassembly and the maintenance of the water pump. In addition, the pump lift of the submersible axial-flow pump adopting the gate installation mode is generally not high, the specific revolution of the impeller model is generally large, the hydraulic loss accounts for the large proportion of the pump lift, the pump efficiency is not high, the energy loss caused by the pump station running for a long time is large, measures must be taken to reduce the hydraulic loss, and the pump efficiency is improved.
Disclosure of Invention
The utility model aims at providing an effectively reduce hydraulic loss, the efficiency that improves the pump is used for the dive axial-flow pump of gate installation.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a dive axial-flow pump for gate installation, includes the motor, the pivot that the motor absorbed water the end is fixed with guide vane body, impeller part and runner room in proper order, the shell of motor on be provided with the guide plate, the quantity of guide plate unanimous with the stator quantity of guide vane body, the installation angle of guide plate is unanimous with the installation angle of stator.
By adopting the technical scheme, the submersible axial-flow pump is arranged in the inner hole of the gate, the guide plate is positioned between the motor and the flow channel of the inner hole of the gate, the number of the guide plates is consistent with that of the guide vanes of the guide vane body, and the angle is basically consistent with that of the guide vanes of the guide vane body, so that the hydraulic loss can be effectively reduced, and the efficiency of the pump is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an installation schematic diagram of the present invention.
Detailed Description
The utility model provides a dive axial-flow pump for gate installation, includes motor 110, is fixed with guide vane body 120, impeller part 130 and runner room 140 in proper order on the pivot 111 of motor 110 end that absorbs water, motor 110's shell 112 on be provided with guide plate 160, the quantity of guide plate 160 and guide vane body 120's stator quantity unanimous, the installation angle of guide plate 160 and the installation angle of stator are unanimous.
The submersible axial flow pump 100 is installed in the inner hole of the gate 200, the guide plates 160 are positioned between the motor 110 and the flow channels of the inner hole of the gate 200, the number of the guide plates 160 is consistent with that of the guide blades of the guide blade body 120, and the angle is basically consistent with that of the guide blades, so that the hydraulic loss can be effectively reduced, and the efficiency of the pump is improved.
A water absorbing mesh enclosure 150 is fixed on the rotating shaft 111 at the water absorbing end of the motor 110, the water absorbing mesh enclosure 150 is positioned at the foremost end, and the water absorbing mesh enclosure 150 is in an annular mesh shape. The suction net cover 150 is used for filtering sundries with larger size, water flow enters through the lifting force generated by the impeller part 130, is rectified through the guide vane body 120 to eliminate the circulation, is secondarily rectified through the guide vane 160 on the motor shell to eliminate the circulation, pushes the flap valve 300 open along the inner hole of the gate 200, and flows into the other side of the gate 200 to finish the water flow conveying.
The outlet pipe 113 of the motor 110 is arranged at the side of the motor 110, and the outlet pipe 113 is positioned between the guide plates 160. Motor 110 comprises stator, rotor, connecting seat, upper end cover, play spool, cable seal subassembly etc. cancels the terminal box of traditional dive axial-flow pump, can effectual reduction water pump length. And the motor part adopts side outlet, and the outlet pipe is embedded in the middle of the guide plate 160 of the motor, so that the strength of the motor part can be ensured. The tail of the guide plate 160 is provided with an oblique angle, and the inner hole of the gate 200 is provided with a corresponding coupling plate, so that the guide plate plays a role in guiding and supporting when the submersible axial flow pump 100 is installed. The gravity center of the whole pump is positioned close to the motor and the gate connecting flange by adopting a side outlet mode, so that the stability of the pump and the gate system is improved.
The runner chamber 140 is fixed on the guide vane body 120, and the front end of the runner chamber 140 is fixedly connected with a water absorbing mesh enclosure 150.
The guide vane inlet flow channel of the guide vane body 120 is connected and matched with the impeller outlet flow channel of the impeller part 130, the inlet arrangement angle of the guide vane is consistent with the blade outlet arrangement angle of the impeller part 130, and the number of the guide vane is consistent with the number of the blades of the impeller part 130.
The tail of the guide plate 160 is provided with an inclined plane 161, and the inclined angle of the inclined plane 161 is 30 °.
The guide vane body 120 is a casting, a coupling inclined plane is arranged on the guide vane body and used for a performance test of the submersible axial flow pump, an inlet flow channel of the guide vane is connected with an outlet flow channel of the impeller in a matching mode, the number of the guide vanes and the inlet arrangement angle of the guide vanes are respectively matched with the number of the blades of the impeller part and the outlet arrangement angle of the blades, the axial length of the guide vanes is short, the cantilever of the water pump is reduced, and the running stability of the water pump is improved.
The runner chamber 140 is a welded part and is provided with a part lifting hole. The runner chamber 140 is made of high-quality 304 stainless steel, damage to the runner chamber by water pump cavitation can be effectively reduced, and the runner chamber 140 is fixed on the guide vane body through a hexagon bolt and connected with a suction mesh enclosure.
The water absorbing mesh enclosure 150 is a welded part, and the mesh size of the welded part is matched with the passing capacity of the impeller part 130. The incoming flow direction and the circumferential direction of the water pump are provided with grids, and the grids are arranged according to the passing capacity of the impeller part, so that the blockage of the impeller can be effectively reduced.
The utility model discloses well dive axial-flow pump 100 adopts twice mechanical seal, is in the oilroom one, and with the help of lubricating oil to its cooling, is in the medium one, and the heat of production is taken through the medium. The submersible axial-flow pump adopts a horizontal installation form. Submersible axial-flow pump 100 motor 110 set up protruding flange, set up concave flange on the gate 200, submersible axial-flow pump 100 passes through flange tang location, through the bolt fastening, sets up the rubber pad between two flanges, can reduce the influence of submersible axial-flow pump 100 vibration to the gate. The breaking mode of the submersible axial-flow pump 100 adopts an energy-saving side-turning flap valve 300, a shock-absorbing rubber pad 400 is arranged between the flap valve 300 and the gate 200, the impact on the gate when the flap valve is closed is small, and the safe operation of the water pump can be effectively ensured.
Claims (10)
1. The utility model provides a dive axial-flow pump for gate installation which characterized in that: including motor (110), be fixed with guide vane body (120), impeller part (130) and runner room (140) in proper order on motor (110) absorb water pivot (111) of end, shell (112) of motor (110) on be provided with guide plate (160), the quantity of guide plate (160) and the stator quantity of guide vane body (120) unanimous, the installation angle of guide plate (160) and the installation angle of stator are unanimous.
2. A submersible axial flow pump for gate installation according to claim 1, wherein: a water absorbing mesh enclosure (150) is fixed on a rotating shaft (111) at the water absorbing end of the motor (110), the water absorbing mesh enclosure (150) is positioned at the foremost end, and the water absorbing mesh enclosure (150) is in an annular mesh shape.
3. A submersible axial flow pump for gate installation according to claim 2, wherein: the wire outlet pipe (113) of the motor (110) is arranged on the side edge of the motor (110), and the wire outlet pipe (113) is positioned between the guide plates (160).
4. A submersible axial flow pump for gate installation according to claim 3, wherein: the impeller part (130) consists of blades, an impeller, a blade pressing plate and an impeller nut, wherein the impeller is arranged by adopting a short cantilever.
5. The submersible axial flow pump for gate installation of claim 4, wherein: the runner chamber (140) is fixed on the guide vane body (120), and the front end of the runner chamber (140) is fixedly connected with a water absorption net cover (150).
6. The submersible axial flow pump for gate installation of claim 5, wherein: the guide vane inlet flow channel of the guide vane body (120) is connected and matched with the impeller outlet flow channel of the impeller part (130), the inlet arrangement angle of the guide vane is consistent with the blade outlet arrangement angle of the impeller part (130), and the number of the guide vane is consistent with the number of the blades of the impeller part (130).
7. The submersible axial flow pump for gate installation of claim 6, wherein: the tail of the guide plate (160) is provided with an inclined plane (161), and the inclined angle of the inclined plane (161) is 30 degrees.
8. The submersible axial flow pump for gate installation of claim 7, wherein: the guide vane body (120) is a casting and is provided with a coupling inclined plane.
9. The submersible axial flow pump for gate installation of claim 8, wherein: the runner chamber (140) is a welding part and is provided with a part lifting hole.
10. A submersible axial flow pump for gate installation according to claim 9, wherein: the water absorption mesh enclosure (150) is a welding piece, and the size of the mesh of the water absorption mesh enclosure is matched with the passing capacity of the impeller part (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170750.7U CN213450886U (en) | 2020-09-28 | 2020-09-28 | Submersible axial-flow pump for gate installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170750.7U CN213450886U (en) | 2020-09-28 | 2020-09-28 | Submersible axial-flow pump for gate installation |
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| Publication Number | Publication Date |
|---|---|
| CN213450886U true CN213450886U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022170750.7U Active CN213450886U (en) | 2020-09-28 | 2020-09-28 | Submersible axial-flow pump for gate installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668468A (en) * | 2021-07-29 | 2021-11-19 | 长江勘测规划设计研究有限责任公司 | Photovoltaic-driven method capable of flexibly adjusting long-distance channel flow |
| CN114481972A (en) * | 2022-01-28 | 2022-05-13 | 意万欧(广州)有限公司 | Integrated pump brake device and control method |
-
2020
- 2020-09-28 CN CN202022170750.7U patent/CN213450886U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668468A (en) * | 2021-07-29 | 2021-11-19 | 长江勘测规划设计研究有限责任公司 | Photovoltaic-driven method capable of flexibly adjusting long-distance channel flow |
| CN113668468B (en) * | 2021-07-29 | 2023-09-29 | 长江勘测规划设计研究有限责任公司 | Method driven by photovoltaic and capable of flexibly adjusting long-distance channel flow |
| CN114481972A (en) * | 2022-01-28 | 2022-05-13 | 意万欧(广州)有限公司 | Integrated pump brake device and control method |
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