CN113541368A - Corrosion-resistant shaftless propeller - Google Patents
Corrosion-resistant shaftless propeller Download PDFInfo
- Publication number
- CN113541368A CN113541368A CN202110708518.0A CN202110708518A CN113541368A CN 113541368 A CN113541368 A CN 113541368A CN 202110708518 A CN202110708518 A CN 202110708518A CN 113541368 A CN113541368 A CN 113541368A
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- Prior art keywords
- anode protection
- rotor
- corrosion
- resistant
- ring
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a corrosion-resistant shaftless propeller which comprises a shell, a ring-shaped stator, a ring-shaped rotor and an output ring, wherein the ring-shaped stator, the ring-shaped rotor and the output ring are hermetically packaged in the shell, the rotor is sleeved in the stator in a sleeving manner and is in rotating fit with the stator, the output ring is sleeved in the rotor in a sleeving manner and is in transmission fit with the rotor, and an anode protection column I is connected to the shell. According to the invention, the whole shell, the rotor and other parts can be directly protected by the sacrificial anode protection column I and the anode protection column II, so that the corrosion resistance of the propeller is improved, the anode protection column I is arranged on the support frame, and the anode protection column II is arranged on the retaining ring, so that the structures of the shell and the rotor are not damaged, and the dynamic balance of the whole propeller is not influenced.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a corrosion-resistant shaftless propeller.
Background
The shaftless propeller works in water for a long time, surface anticorrosion treatment must be performed on each part before use, and important parts such as impeller blades and the like are easily damaged by impact of gravel, cobblestones and the like in water; at the moment, electrochemical corrosion can occur under different electrolyte environment conditions; especially, the profile of the flow guide pipe is streamline, the water flow speed at different parts is different, and the corrosion conditions of all parts are different.
Therefore, there is a need for a corrosion-resistant shaftless propeller to improve the corrosion resistance of the propeller and effectively protect important parts such as the propeller housing and the rotor.
Disclosure of Invention
In view of the above, the present invention provides a corrosion-resistant shaftless propeller to improve the corrosion resistance of the propeller and effectively protect important parts such as the propeller casing and the rotor.
The corrosion-resistant shaftless propeller comprises a shell, a stator, a rotor and an output ring, wherein the stator is hermetically packaged in the shell and is annular, the rotor is annular, the output ring is sleeved in the stator and is in rotating fit with the stator, the output ring is sleeved in the rotor and is in transmission fit with the rotor, and an anode protection column I is connected to the shell.
Furthermore, retainer rings are arranged at two axial ends of the rotor, the retainer rings are sleeved on the output ring and are in transmission fit with the output ring, and anode protection columns II are arranged on the retainer rings.
Further, chassis bottom fixedly connected with support frame, positive pole guard post I is connected on the support frame.
Furthermore, the anode protection column I is provided with a plurality of anode protection columns which are arranged on the support frame at equal intervals along the axial direction of the propeller.
Further, the anode protection columns II are arranged in a plurality and are evenly distributed around the circumferential direction of the check ring.
Furthermore, the anode protection column I is in a screw column shape and is connected to the support frame in a threaded mode.
Further, the anode protection column II is in a stud shape and is in threaded connection with the axial end part of the check ring.
Furthermore, the axial end part of the anode protection column I is flush with the outer contour of the support frame.
Further, the end part of the anode protection column II is flush with the axial end part of the check ring.
The invention has the beneficial effects that:
according to the invention, the whole shell, the rotor and other parts can be directly protected by the sacrificial anode protection column I and the anode protection column II, so that the corrosion resistance of the propeller is improved, the anode protection column I is arranged on the support frame, and the anode protection column II is arranged on the retaining ring, so that the structures of the shell and the rotor are not damaged, and the dynamic balance of the whole propeller is not influenced.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in the direction A;
FIG. 3 is a schematic view of a rotor structure;
FIG. 4 is a left side view of the structure of FIG. 3;
Detailed Description
The corrosion-resistant shaftless propeller comprises a shell 1, a stator, a rotor and an output ring 3, wherein the stator is sealed and packaged in the shell in an annular mode, the rotor is annular, the rotor is sleeved in the stator in a sleeved mode and is in running fit with the stator, the output ring is sleeved in the rotor in a sleeved mode and is in transmission fit with the rotor, and an anode protection column I4 is connected to the shell. As shown in the combined figure 1, the blades 8 are fixedly connected to the inner circle of the output ring to form a shaftless blade, wherein the anode protection column I can be made of aluminum columns, magnesium columns or zinc columns, the anode protection column I is selected according to actual conditions, the whole casing is directly protected through the sacrificial anode protection column I, and the casing is connected with important parts such as a stator and a rotor and plays a role in auxiliary protection on other parts.
In this embodiment, the two axial ends of the rotor are provided with retainer rings 5, the retainer rings are sleeved on the output ring and are in transmission fit with the output ring, and the retainer rings are provided with anode protection columns II 6. Combine shown in fig. 3, anode protection post II also can be for materials such as aluminium post, magnesium post or zinc post, two retaining rings are used for rotor axial positioning, with II 6 lug connection in anode protection post on the retaining ring, can form direct protection to retaining ring, rotor and blade etc. do not influence the dynamic balance of rotor and blade moreover, anode protection post on two other retaining rings is corresponding to the axial both sides of rotor, the horizontal flow direction when corresponding to rotor corotation and reversal does benefit to and improves the protection effect.
In this embodiment, the bottom of the casing is fixedly connected with a support frame 7, and the anode protection column i is connected to the support frame. As shown in the combined figure 1, the bottom of the machine shell is connected with two supporting frames, the arrangement modes of the two supporting frames are inverted V-shaped, the supporting frames are favorable for horizontal placement of the propeller shell, and the anode protection column I is arranged on the supporting frames, so that the structural strength of the propeller shell is not influenced.
In this embodiment, the anode protection column i is provided with a plurality of and is arranged on the support frame at equal intervals along the axial direction of the propeller. As shown in the combined figure 2, the support frame is of a plate-shaped structure and extends along the axial direction of the shell, five anode protection columns I are arranged on the support frame along the axial direction, the number of the anode protection columns I can be adjusted according to the actual structure, and the shell is effectively protected by the anode protection columns I.
In this embodiment, the anode protection pillars ii 6 are provided in plurality and are uniformly distributed around the circumference of the retainer ring 5. With reference to fig. 4, sixteen anode protection pillars ii are arranged on the baffle ring along the circumferential direction, the number of the anode protection pillars ii is not less than sixteen, and the rotor is effectively protected in the circumferential direction by the anode protection pillars ii.
In this embodiment, the anode protection column i is in a screw column shape and is screwed to the support frame. Combine figure 1 to show, corresponding set up threaded hole on the support frame, I threaded connection of anode protection post is on the support frame, does benefit to the installation and the change of anode protection post I through this structure, does benefit to the area of contact of increase anode protection post I and support frame moreover, does benefit to electrochemical reaction's emergence, improves the electrochemical protection effect.
In this embodiment, the anode protection column ii 6 is in a stud shape and is screwed to the axial end of the retainer ring 5. Referring to fig. 4, a plurality of threaded holes are formed in one axial end of the retainer ring, the threaded holes are symmetrically distributed around the central axis of the retainer ring, and the anode protection column II 6 is in threaded connection with the retainer ring.
In this embodiment, the axial end of the anode protection column i is flush with the outer contour of the support frame. The end part of the anode protection column II 6 is flush with the axial end part of the check ring 5. The end parts of the anode protection column I and the anode protection column II are flush with the outline of the installation position of the anode protection column I and the anode protection column II, the end parts of the anode protection columns are not convex and not concave, a good protection effect can be achieved, and dynamic balance is not influenced.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. A corrosion-resistant shaftless propeller is characterized in that: the device comprises a machine shell, an annular stator, an annular rotor and an output ring, wherein the stator is hermetically packaged in the machine shell, the rotor is sleeved in the stator and is in running fit with the stator, the output ring is sleeved in the rotor and is in transmission fit with the rotor, and an anode protection column I is connected to the machine shell.
2. The corrosion-resistant shaftless propeller of claim 1, wherein: and two axial ends of the rotor are provided with check rings, the check rings are sleeved on the output ring and are in transmission fit with the output ring, and the check rings are provided with anode protection columns II.
3. The corrosion-resistant shaftless propeller of claim 1, wherein: the bottom of the shell is fixedly connected with a support frame, and the anode protection column I is connected to the support frame.
4. The corrosion-resistant shaftless propeller of claim 3, wherein: the anode protection column I is provided with a plurality of anode protection columns which are arranged on the support frame at equal intervals along the axial direction of the propeller.
5. The corrosion-resistant shaftless propeller of claim 2, wherein: the anode protection columns II are arranged in a plurality of numbers and are uniformly distributed around the circumferential direction of the retainer ring.
6. The corrosion-resistant shaftless propeller of claim 4, wherein: the anode protection column I is in a screw column shape and is connected to the support frame in a threaded mode.
7. The corrosion-resistant shaftless propeller of claim 5, wherein: the anode protection column II is in a stud shape and is in threaded connection with the axial end part of the check ring.
8. The corrosion-resistant shaftless propeller of claim 6, wherein: the axial end part of the anode protection column I is flush with the outer contour of the support frame.
9. The corrosion-resistant shaftless propeller of claim 7, wherein: and the end part of the anode protection column II is flush with the axial end part of the check ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708518.0A CN113541368B (en) | 2021-06-23 | 2021-06-23 | Corrosion-resistant shaftless propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110708518.0A CN113541368B (en) | 2021-06-23 | 2021-06-23 | Corrosion-resistant shaftless propeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113541368A true CN113541368A (en) | 2021-10-22 |
| CN113541368B CN113541368B (en) | 2022-11-15 |
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ID=78096776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110708518.0A Active CN113541368B (en) | 2021-06-23 | 2021-06-23 | Corrosion-resistant shaftless propeller |
Country Status (1)
| Country | Link |
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| CN (1) | CN113541368B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077742A (en) * | 1976-03-05 | 1978-03-07 | Goodwin Wendell W | Propeller shaft anodic protector kit |
| US5011583A (en) * | 1989-03-31 | 1991-04-30 | Sanshin Kogyo Kabushiki Kaisha | Corrosion prevention for a marine propulsion system |
| CN1289391A (en) * | 1998-01-27 | 2001-03-28 | 流体动力环有限公司 | Machine, in particular electrical machine, in particular energy converter for flowing fluids and gases |
| JP2004276653A (en) * | 2003-03-12 | 2004-10-07 | Yanmar Co Ltd | Sacrificial anode |
| CN101546931A (en) * | 2009-04-28 | 2009-09-30 | 中国船舶重工集团公司第七一二研究所 | Integrated propeller |
| US20160047430A1 (en) * | 2014-08-12 | 2016-02-18 | Kodiak Products Co., Inc. | Cathodically protected hub and brake rotor assembly |
| CN105711794A (en) * | 2016-01-26 | 2016-06-29 | 河北工业大学 | Miniature underwater thruster |
| CN211642558U (en) * | 2019-09-02 | 2020-10-09 | 湖南高精特电装备有限公司 | Underwater propeller and water equipment |
-
2021
- 2021-06-23 CN CN202110708518.0A patent/CN113541368B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077742A (en) * | 1976-03-05 | 1978-03-07 | Goodwin Wendell W | Propeller shaft anodic protector kit |
| US5011583A (en) * | 1989-03-31 | 1991-04-30 | Sanshin Kogyo Kabushiki Kaisha | Corrosion prevention for a marine propulsion system |
| CN1289391A (en) * | 1998-01-27 | 2001-03-28 | 流体动力环有限公司 | Machine, in particular electrical machine, in particular energy converter for flowing fluids and gases |
| JP2004276653A (en) * | 2003-03-12 | 2004-10-07 | Yanmar Co Ltd | Sacrificial anode |
| CN101546931A (en) * | 2009-04-28 | 2009-09-30 | 中国船舶重工集团公司第七一二研究所 | Integrated propeller |
| US20160047430A1 (en) * | 2014-08-12 | 2016-02-18 | Kodiak Products Co., Inc. | Cathodically protected hub and brake rotor assembly |
| CN105711794A (en) * | 2016-01-26 | 2016-06-29 | 河北工业大学 | Miniature underwater thruster |
| CN211642558U (en) * | 2019-09-02 | 2020-10-09 | 湖南高精特电装备有限公司 | Underwater propeller and water equipment |
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| Publication number | Publication date |
|---|---|
| CN113541368B (en) | 2022-11-15 |
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