CN217401183U - High-sealing submersible bidirectional axial-flow pump - Google Patents
High-sealing submersible bidirectional axial-flow pump Download PDFInfo
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- CN217401183U CN217401183U CN202220839136.1U CN202220839136U CN217401183U CN 217401183 U CN217401183 U CN 217401183U CN 202220839136 U CN202220839136 U CN 202220839136U CN 217401183 U CN217401183 U CN 217401183U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The utility model discloses a high-tightness submersible bidirectional axial flow pump, which belongs to the technical field of bidirectional axial flow pumps, a motor rotor component is sleeved in the middle of a rotating rod, a suction section is arranged at openings at two sides of the inner wall of an outer cylinder, a guide vane blade is arranged at one side of the middle section of the inner wall of the outer cylinder, a ball bearing sleeve is arranged at one side of the middle of the rotating rod, in order to pursue the lightweight of a pump set, a permanent magnet motor is adopted as a pump set matching motor, the motor has the characteristics of simple structure, high reliability and high efficiency, and the permanent magnet motor with the same power is lighter in weight and small in size compared with an asynchronous motor, meets the requirements of the ship industry on equipment compactness and lightweight, according to the improvement, the difficult problem of large occupied space of bilge water and ballast water system pump sets can be effectively solved after the implementation, and simultaneously, because the submersible bidirectional axial flow pump has simple structure, the motor and the pump sets are highly integrated, the installation is convenient, and this equipment satisfies the requirement of national high energy efficiency, low energy consumption, has extensive popularization and application.
Description
Technical Field
The utility model relates to a two-way axial-flow pump of dive formula especially relates to a two-way axial-flow pump of dive formula of high leakproofness, belongs to two-way axial-flow pump technical field.
Background
Along with the development of the shipbuilding industry in China, various ship types are developed to be large-scale, but various devices on ships are required to be more and more compact and light so as to save space on ships.
The adjusting and refuting pump used in the ship industry of China at present basically adopts a structure form that a motor is separated from a pump set, the adjusting and refuting pump is mainly used for water adjusting and refuting of a ballast tank, the pump set occupies a large space, a submersible bidirectional axial flow runs in water, the space of the ballast tank can be fully utilized, the pump set and a ballast pipeline are connected in series, the installation space is saved, the structural engineering is reduced, the pump set can also replace a bilge water sewage pump, the pump set is installed at the bilge and can replace a submersible sewage pump due to the characteristics of the axial flow pump, and the pump set is usually used for places needing large flow conveying, such as agricultural irrigation, waterlogging drainage, urban drainage, heat power station circulating water conveying and the like.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to provide a submersible bidirectional axial-flow pump with high sealing performance, in order to ensure the sealing of the motor, the housing is made of an outer cylinder and an inner cylinder and adopts a double-layer structure, and the materials all adopt corrosion-resistant materials, the outer cylinder adopts precision casting, the inner cylinder adopts centrifugal casting to ensure the compactness of the materials, the outer cylinder is completely isolated from the inner cavity of the motor to ensure the reliability of the operation of the pump set, the two ends of the dry-type motor are provided with mechanical seals, the mechanical seals satisfy the positive and negative rotation, the machine seal cavity is filled with transformer oil, the machine seal cavity is completely isolated from the inside of the motor, and the machine seal cavity is provided with oil-water mixing alarm, liquid level alarm sensors, etc., to ensure the reliability of the pump set in operation, the pump set adopts symmetrical arrangement, two sides are respectively provided with an axial-flow impeller, the existing submersible through-flow pump is generally a single-stage impeller pump set, the flow is large, the lift is low, in order to satisfy the water at the bottom of the large-scale ship, The pump set adopts a two-stage structure, the requirement of the pump set on the shipboard can be met by the lift while the flow of the pump set is ensured, the pump set adopts a guide vane type flow channel to ensure the bidirectional medium conveying, the guide vane blade adopts an S-shaped structure to reduce the loss of the medium, a pump set motor is provided with a real-time insulation monitoring module and a water leakage alarm module on an external line due to the strong corrosion of the marine environment to ensure the real-time monitoring of the state of the motor, and a permanent magnet motor is adopted as a pump set matched motor for pursuing the light weight of the pump set, the motor has the characteristics of simple structure, high reliability and high efficiency, the permanent magnet motor with the same power is lighter in weight and small in size compared with an asynchronous motor, meets the requirements of the ship industry on equipment compactness and light weight, and can effectively solve the problem of large occupied space of bilge water and the pump set of the ballast water system according to the improvement, meanwhile, the submersible bidirectional axial-flow pump is simple in structure, the motor and the pump set are highly integrated, the submersible bidirectional axial-flow pump is convenient to install, the submersible bidirectional axial-flow pump meets the national requirements of high energy efficiency and low energy consumption, and the submersible bidirectional axial-flow pump has wide popularization and application.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a two-way axial-flow pump of dive formula of high leakproofness, including outer barrel, interior barrel, the section of inhaling, the motor rotor part, ball bearing, stator blade and dwang, barrel in the outer barrel internally mounted, the internal mid-mounting of inner tube has the dwang, the cover is equipped with the motor rotor part in the middle of the dwang, the section of inhaling is installed at outer barrel inner wall both sides opening part, stator blade installs middle section one side department in outer barrel inner wall, impeller bolt gland subassembly is installed at the dwang both ends, one side department is equipped with the bearing assembly in the middle of the dwang, be equipped with end cover inner cup subassembly on the bearing assembly, both sides department is equipped with the end cover seal subassembly in the middle of the dwang, the ball bearing cover is established in one side department in the middle of the dwang.
Preferably, the impeller bolt gland assembly comprises an impeller, a shaft end locking bolt, an impeller cap and a sealing gland, the impeller is sleeved at two ends of the rotating rod, the shaft end locking bolt is installed in the middle of one side of the impeller, the impeller cap is installed at one side of the shaft end locking bolt, and the sealing gland is installed at two sides of the middle of the impeller.
Preferably, the bearing assembly comprises a bearing outer cover and an angular contact bearing, the angular contact bearing is sleeved on one side of the rotor component of the motor, and the bearing outer cover is sleeved on the outer wall of the angular contact bearing.
Preferably, the end cover inner cover assembly comprises a bearing end cover and a bearing inner cover, the bearing inner cover is arranged on the outer wall of the bearing outer cover in a sleeved mode, and the bearing end cover is arranged in the middle of one side of the bearing inner cover.
Preferably, the end cap sealing assembly comprises an outer end cap of the motor and a mechanical seal, the outer end cap of the motor is sleeved on one side of the outer wall of the inner bearing cap, and the mechanical seal is sleeved on one side of the ball bearing.
Preferably, the middle of the inner cylinder body is of a mutual communication structure.
The utility model has the advantages of:
the utility model provides a high leakproofness's two-way axial-flow pump of dive formula, in order to ensure the sealed of motor, the shell is made by outer barrel and interior barrel and adopts bilayer structure, and the material all adopts corrosion resistant material, outer barrel adopts precision casting, interior barrel adopts centrifugal casting to guarantee the compactness of material, outer barrel and motor inner chamber are kept apart completely, ensure the reliability of the operation of pump package, dry-type motor both ends are equipped with mechanical seal, the machine seals satisfies positive and negative rotation, the machine seals intracavity is filled with transformer oil, the machine seals cabin is kept apart from the motor inside completely, and be equipped with the mixed warning of profit in the machine seals cabin, liquid level alarm sensor etc., ensure the reliability of pump package operation, the pump package adopts symmetrical arrangement, both sides respectively have an axial-flow impeller, current dive tubular pump usually is single-stage impeller pump package, the flow is big, the lift is low, in order to satisfy the requirement of large-scale boats and ships bilge, ballast water outboard, the pump set adopts a two-stage structure, the requirement of a ship board discharging can be met while the flow of the pump set is ensured, the stability of a pump set conveying medium is ensured, a guide vane type flow channel is adopted for the pump set, the guide vane blade adopts an S-shaped structure, the loss of the medium is reduced, due to strong corrosion of marine environment, a real-time insulation monitoring module and a water leakage alarm module are matched with an external connecting line of a pump set motor, the state of the motor is monitored in real time, the light weight of the pump set is pursued, a permanent magnet motor is adopted as a motor matched with the pump set, the motor has the characteristics of simple structure, high reliability and high efficiency, compared with an asynchronous motor, the permanent magnet motor with the same power has light weight and small size, meets the requirements of equipment compactness and light weight in the ship industry, and according to the improvement, the difficult problem that the occupied space of bilge water and a ballast water system pump set is large can be effectively solved after the implementation, meanwhile, the submersible bidirectional axial-flow pump is simple in structure, the motor and the pump set are highly integrated, the submersible bidirectional axial-flow pump is convenient to install, the submersible bidirectional axial-flow pump meets the national requirements of high energy efficiency and low energy consumption, and the submersible bidirectional axial-flow pump has wide popularization and application.
Drawings
Fig. 1 is a front view of the overall structure of a preferred embodiment of a high-sealing submersible bidirectional axial-flow pump according to the present invention.
In the figure: 1-outer cylinder body, 2-inner cylinder body, 3-outer motor end cover, 4-impeller, 5-shaft end locking bolt, 6-suction section, 7-impeller cap, 8-sealing gland, 9-outer bearing cover, 10-angular contact bearing, 11-bearing end cover, 12-inner bearing cover, 13-motor rotor component, 14-ball bearing, 15-mechanical seal, 16-guide vane blade and 17-rotating rod.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, the two-way axial-flow pump of dive formula of high leakproofness that this embodiment provided, including outer barrel 1, interior barrel 2, inhale section 6, motor rotor part 13, ball bearing 14, stator blade 16 and dwang 17, outer barrel 1 internally mounted has interior barrel 2, mid-mounting has dwang 17 in interior barrel 2, the cover is equipped with motor rotor part 13 in the middle of the dwang 17, inhale section 6 and install at outer barrel 1 inner wall both sides opening part, stator blade 16 installs middle section one side department in outer barrel 1 inner wall, impeller bolt gland subassembly is installed at dwang 17 both ends, one side department is equipped with the bearing assembly in the middle of the dwang 17, be equipped with the inner cover subassembly of end cover ball bearing on the bearing assembly, both sides department is equipped with the end cover seal subassembly in the middle of the dwang 17, 14 covers and establishes one side department in the middle of the dwang 17.
1-outer cylinder body, 2-inner cylinder body, 3-outer motor end cover, 4-impeller, 5-shaft end locking bolt, 6-suction section, 7-impeller cap, 8-sealing gland, 9-outer bearing cover, 10-angular contact bearing, 11-bearing end cover, 12-inner bearing cover, 13-motor rotor component, 14-ball bearing, 15-mechanical seal, 16-guide vane blade, 17-rotating rod
The general working principle is as follows: the pump set adopts a dry type motor, in order to ensure the sealing of the motor, a shell is made of an outer cylinder body 1 and an inner cylinder body 2 which are of a double-layer structure, the materials are all corrosion-resistant materials, the outer cylinder body 1 adopts precision casting, the inner cylinder body 2 adopts centrifugal casting to ensure the compactness of the materials, the outer cylinder body 1 is completely isolated from the inner cavity of the motor to ensure the operation reliability of the pump set, the two ends of the dry type motor are provided with mechanical seals 15, the mechanical seals meet the positive and negative rotation, transformer oil is filled in the mechanical seal cavity, the mechanical seal cabin is completely isolated from the interior of the motor, an oil-water mixing alarm and a liquid level alarm sensor are arranged in the mechanical seal cabin to ensure the operation reliability of the pump set, the pump set adopts symmetrical arrangement, two sides are respectively provided with an axial flow impeller 4, the existing submersible through-flow pump is generally a single-stage impeller, the flow rate of the pump set is large, the lift is low, and in order to meet the requirements of bottom water and ballast water drainage outboard of large ships, the pump set adopts a guide vane type flow channel to ensure the bidirectional medium conveying, a guide vane blade 16 adopts an S-shaped structure to reduce the loss of the medium, a pump set motor is provided with a real-time insulation monitoring module and a water leakage alarm module to an external connecting wire due to the strong corrosivity of the marine environment to ensure the real-time monitoring of the state of the motor, and a motor matched with the pump set adopts a permanent magnet motor for pursuing the light weight of the pump set, the motor has the characteristics of simple structure, high reliability and high efficiency, and the permanent magnet motor with the same power has light weight and small size compared with an asynchronous motor, meets the requirements of the ship industry on equipment compactness and light weight, according to the improvement, the difficult problem that the bilge water and ballast water system occupy large space of the pump set can be effectively solved after the implementation, and simultaneously, the submersible bidirectional axial flow pump has simple structure, the motor and the pump set are highly integrated, the installation is convenient, the equipment meets the requirements of high energy efficiency and low energy consumption of China, and the popularization and the application are wide.
In this embodiment: the impeller bolt gland component comprises an impeller 4, an axle end locking bolt 5, an impeller cap 7 and a sealing gland 8, wherein the impeller 4 is sleeved at two ends in the middle of the rotating rod 17, the axle end locking bolt 5 is installed at the middle of one side of the impeller 4, the impeller cap 7 is installed at one side of the axle end locking bolt 5, and the sealing gland 8 is installed at two sides in the middle of the impeller 4.
In this embodiment: the bearing assembly comprises a bearing outer cover 9 and an angular contact bearing 10, the angular contact bearing 10 is sleeved on one side of the motor rotor part 13, and the bearing outer cover 9 is sleeved on the outer wall of the angular contact bearing 10.
In this embodiment: the end cover inner cover assembly comprises a bearing end cover 11 and a bearing inner cover 12, the bearing inner cover 12 is sleeved on the outer wall of the bearing outer cover 9, and the bearing end cover 11 is installed in the middle of one side of the bearing inner cover 12.
In this embodiment: the end cover sealing assembly comprises a motor outer end cover 3 and a mechanical seal 15, the motor outer end cover 3 is sleeved on one side of the outer wall of the bearing inner cover 12, and the mechanical seal 15 is sleeved on one side of the ball bearing 14.
In this embodiment: the middle of the inner cylinder body 2 is of a mutual communication structure.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (6)
1. The utility model provides a two-way axial-flow pump of dive formula of high leakproofness which characterized in that: including outer barrel (1), interior barrel (2), inhale section (6), motor rotor part (13), ball bearing (14), stator blade (16) and dwang (17), barrel (2) in outer barrel (1) internally mounted, mid-mounting has dwang (17) in interior barrel (2), the cover is equipped with motor rotor part (13) in the middle of dwang (17), it installs at outer barrel (1) inner wall both sides opening part to inhale section (6), stator blade (16) are installed in outer barrel (1) inner wall middle section one side department, impeller bolt gland subassembly is installed at dwang (17) both ends, dwang (17) middle one side department is equipped with the bearing assembly, be equipped with end cover inner cup subassembly on the bearing assembly, both sides department is equipped with the end cover seal assembly in the middle of dwang (17), ball bearing (14) cover is established in dwang (17) middle one side department.
2. A high-sealing submersible bidirectional axial flow pump according to claim 1, wherein: the impeller bolt gland component comprises an impeller (4), an axle end locking bolt (5), an impeller cap (7) and a sealing gland (8), the impeller (4) is sleeved at two ends in the middle of a rotating rod (17), the axle end locking bolt (5) is installed at the middle of one side of the impeller (4), the impeller cap (7) is installed at one side of the axle end locking bolt (5), and the sealing gland (8) is installed at two sides in the middle of the impeller (4).
3. The submersible bidirectional axial flow pump of claim 2, wherein: the bearing assembly comprises a bearing outer cover (9) and an angular contact bearing (10), the angular contact bearing (10) is sleeved on one side of a motor rotor component (13), and the bearing outer cover (9) is sleeved on the outer wall of the angular contact bearing (10).
4. A high-sealing submersible bidirectional axial flow pump according to claim 3, wherein: the end cover inner cover assembly comprises a bearing end cover (11) and a bearing inner cover (12), the bearing inner cover (12) is sleeved on the outer wall of the bearing outer cover (9), and the bearing end cover (11) is installed in the middle of one side of the bearing inner cover (12).
5. The submersible bidirectional axial flow pump of claim 4, wherein: the end cover sealing assembly comprises an outer end cover (3) of the motor and a mechanical seal (15), the outer end cover (3) of the motor is sleeved on one side of the outer wall of the bearing inner cover (12), and the mechanical seal (15) is sleeved on one side of the ball bearing (14).
6. The submersible bidirectional axial flow pump of claim 5, wherein: the middle of the inner cylinder body (2) is of a mutual communication structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220839136.1U CN217401183U (en) | 2022-04-11 | 2022-04-11 | High-sealing submersible bidirectional axial-flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220839136.1U CN217401183U (en) | 2022-04-11 | 2022-04-11 | High-sealing submersible bidirectional axial-flow pump |
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| Publication Number | Publication Date |
|---|---|
| CN217401183U true CN217401183U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220839136.1U Active CN217401183U (en) | 2022-04-11 | 2022-04-11 | High-sealing submersible bidirectional axial-flow pump |
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| Country | Link |
|---|---|
| CN (1) | CN217401183U (en) |
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2022
- 2022-04-11 CN CN202220839136.1U patent/CN217401183U/en active Active
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