CN112793756A - Double-sided available electric propeller - Google Patents
Double-sided available electric propeller Download PDFInfo
- Publication number
- CN112793756A CN112793756A CN202110114852.3A CN202110114852A CN112793756A CN 112793756 A CN112793756 A CN 112793756A CN 202110114852 A CN202110114852 A CN 202110114852A CN 112793756 A CN112793756 A CN 112793756A
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- China
- Prior art keywords
- motor
- water inlet
- front frame
- double
- propeller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
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- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of propellers, and provides a double-sided usable electric propeller, aiming at solving the problems that the traditional propeller has the following structure: if the motor is arranged at the axis position of the flow channel, additional treatment means such as corrosion prevention, impurity prevention and the like are required; if the motor is arranged at the water inlet of the flow channel, the propulsion energy efficiency of the propeller is affected, and the propeller comprises a machine body frame serving as an installation base body, wherein the machine body frame consists of a front frame and a rear frame, and the front frame and the rear frame are fixed through screws; the upper surface and the lower surface of the front frame are symmetrically and integrally formed with a main flow channel, a motor mounting cavity is symmetrically arranged on one side of the front frame, which is away from the rear frame, a water inlet for inputting a liquid medium is arranged in an open manner on the outer side of the main flow channel, and a water inlet grille is arranged on the water inlet. The invention is especially suitable for improving the propelling efficiency of water surface and underwater equipment, and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of propellers, in particular to a double-sided usable electric propeller.
Background
Propellers, which generate thrust by rotating blades or jets of air (water), can power surface or underwater equipment for changing or maintaining their state of motion.
The related domestic technologies or products mainly comprise the following structural modes in the electric power arrangement of the propeller:
1. the motor is arranged at the axis position of the flow channel and close to the direction of the nozzle, and a wire passing pipe is additionally arranged in the arrangement mode to guide the motor cable to a required position through the axis; in order to reduce the length of the flow channel, an outer rotor motor is usually adopted, but a propeller is directly connected with an outer rotor of the motor, so that an iron core, magnetic steel and the like in the motor are exposed in a fluid medium, and extra treatment means such as corrosion prevention, impurity prevention and the like are required;
2. the motor is arranged at the water inlet of the flow channel, but the arrangement mode has certain blocking effect on media flowing into the flow channel, and the propulsion energy efficiency of the propeller is influenced.
To this end, we propose a double-sided usable electric propeller.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a double-sided available electric propeller, which overcomes the defects of the prior art, has reasonable design and compact structure and aims to solve the problems that the traditional propeller has the following structure: if the motor is arranged at the axis position of the flow channel, additional treatment means such as corrosion prevention, impurity prevention and the like are required; if the motor is arranged at the water inlet of the flow channel, the propulsion energy efficiency of the propeller is affected.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a double-sided usable electric propeller comprises a body frame as a mounting base, wherein the body frame consists of a front frame and a rear frame, and the front frame and the rear frame are fixed through screws;
the upper surface and the lower surface of the front frame are symmetrically and integrally formed with a main flow channel, one side of the front frame, which is far away from the rear frame, is symmetrically provided with a motor installation cavity, the outer side of the main flow channel is provided with a water inlet for inputting a liquid medium in an open manner, and the water inlet is provided with a water inlet grille;
the upper surface and the lower surface of the rear frame are symmetrically provided with contraction nozzles, and stationary blades for reinforcement are fixedly arranged in the contraction nozzles;
and the two motor mounting cavities are internally provided with motors for generating power, and motor shafts of the motors extend into the contraction spray nozzles and are provided with propellers.
Preferably, a plurality of grid strips which are arranged in parallel are arranged at the position, corresponding to the water inlet, of the water inlet grid, and the upstream surfaces of the grid strips are provided with bevel edges which can enable suspended matters in water to smoothly move.
Preferably, the extending direction of the plurality of grid bars is perpendicular to the arrangement direction of the motor shaft.
Preferably, one side of the water inlet grille close to the front frame is symmetrically provided with first bosses for positioning, and the front frame is symmetrically provided with first grooves clamped with the first bosses; one side of the rear frame, which is close to the water inlet grille, is symmetrically provided with second bosses for positioning, and the water inlet grille is symmetrically provided with second grooves which are clamped with the second bosses.
Preferably, a shaft sleeve part sleeved on the motor shaft is integrally formed on one side, close to the motor mounting position, of the main flow channel.
Preferably, a cover plate used for limiting the front end of the motor is installed at one end, away from the rear frame, of the front frame through a screw, and a power cable at a motor wire outlet end penetrates through the cover plate and is connected with the propelling equipment.
Preferably, one side of screw is equipped with the locating pin that is used for fixed screw, and the terminal screw thread of motor shaft installs the fastening cap with the screw laminating.
Preferably, a plurality of cooling grids horizontally arranged are integrally formed on the side wall of the front frame corresponding to the position where the motor installation cavity is arranged.
(III) advantageous effects
The embodiment of the invention provides a double-sided usable electric propeller, which has the following beneficial effects:
1. the ferroelectric motor is used for generating power to drive the propeller to rotate, the propeller receives the power generated by the motor to drive the using equipment to operate, and the electric direct-pushing technology is adopted to reduce the complexity of shafting transmission; meanwhile, the motor is arranged in the independent motor mounting cavity, so that the space of a flow channel inlet and a flow channel is not occupied, the influence of the flow of a fluid medium in a main flow channel of the machine body frame is reduced, and the propelling efficiency is improved.
2. The invention adopts the electric direct pushing technology, reduces the complexity of shafting transmission, and simultaneously, the motor is arranged in a single fixed space, thereby effectively overcoming the influence of the flow of fluid medium in the flow channel of the machine body frame and improving the propelling efficiency.
Drawings
The above features, technical characteristics, advantages and realisations of a double-sided electric thruster will be further explained in the following description of a preferred embodiment in a clearly understandable way, with reference to the attached drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view structural diagram of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a side view of the present invention;
FIG. 5 is a sectional view showing the internal structure of the present invention;
FIG. 6 is a schematic structural view of a front frame according to the present invention;
FIG. 7 is a schematic structural view of a rear frame according to the present invention;
FIG. 8 is a schematic view of the structure of the water inlet grille of the present invention.
In the figure: the cooling structure comprises a machine body frame 1, a front frame 1-1, a cooling grid 1-1-1, a main runner 1-1-2, a motor installation cavity 1-1-3, a first groove 1-1-4, a shaft sleeve part 1-1-5, a rear frame 1-2, a contraction nozzle 1-2-1, a static blade 1-2-2, a second boss 1-2-3, a motor 2, a motor shaft 2-1, a water inlet grid 3, a second groove 3-1, a first boss 3-2, a grid strip 3-3, a propeller 4, a positioning pin 5, a fastening cap 6, a cover plate 7 and a screw 8.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 8 and examples:
example 1
A double-sided available electric propeller comprises a machine body frame 1 serving as a mounting base body, wherein the machine body frame 1 consists of a front frame 1-1 and a rear frame 1-2, and the front frame 1-1 and the rear frame 1-2 are fixed through screws 8;
the upper surface and the lower surface of the front frame 1-1 are symmetrically and integrally formed with main flow channels 1-1-2, one side of the front frame 1-1, which is far away from the rear frame 1-2, is symmetrically provided with motor installation cavities 1-1-3, the outer sides of the main flow channels 1-1-2 are provided with water inlets for inputting liquid media in an open manner, and the water inlets are provided with water inlet grids 3;
the upper surface and the lower surface of the rear frame 1-2 are symmetrically provided with a contraction nozzle 1-2-1, and a stationary blade 1-2-2 for reinforcement is fixedly arranged in the contraction nozzle 1-2-1;
the two motor installation cavities 1-1-3 are respectively provided with a motor 2 for generating power, and a motor shaft 2-1 of the motor 2 extends into the contraction nozzle 1-2-2 and is provided with a propeller 4;
a plurality of grid strips 3-3 which are arranged in parallel are arranged at the position of the water inlet grid 3 corresponding to the water inlet, and the upstream surface of each grid strip 3-3 is provided with an oblique angle edge which can enable suspended matters in water to smoothly move; the extending direction of the grid bars 3-3 is vertical to the arrangement direction of the motor shaft 2-1, and the grid bars are used for rectifying and blocking partial impurities;
in the embodiment, the motor 2 is used for generating power to drive the propeller 4 to rotate, the propeller 4 receives the power generated by the motor 2 to drive the using equipment to operate, and the electric direct-pushing technology is adopted to reduce the complexity of shafting transmission; meanwhile, the motor 2 is arranged in the single motor installation cavity 1-1-3, the flow channel inlet and the flow channel space are not occupied, the influence of the flow of the fluid medium in the main flow channel 1-1-2 of the machine body frame 1 is reduced, and the propelling efficiency is improved.
Example 2
The difference between the present embodiment and embodiment 1 is that, as shown in fig. 6-8, first bosses 3-2 for positioning are symmetrically disposed on one side of the water inlet grille 3 close to the front frame 1-1, and first grooves 1-1-4 engaged with the first bosses 3-2 are symmetrically disposed on the front frame 1-1; one side of the rear frame 1-2, which is close to the water inlet grille 3, is symmetrically provided with second bosses 1-2-3 for positioning, and the water inlet grille 3 is symmetrically provided with second grooves 3-1 which are clamped with the second bosses 1-2-3;
in the embodiment, the first boss 3-2 is clamped with the first groove 1-1-4, and the second boss 1-2-3 is clamped with the second groove 3-1, so that the stable installation of the water inlet grille 3 is effectively ensured.
Example 3
The difference between the present embodiment and embodiment 1 is that, as shown in fig. 4-6, a sleeve portion 1-1-5 sleeved on a motor shaft 2-1 is integrally formed on one side of the main flow channel 1-1-2 close to the motor mounting location, and a plurality of flow channels communicated with a motor mounting cavity 1-1-3 are formed on the sleeve portion 1-1-5;
in the embodiment, the fluid medium penetrates through the motor installation cavity 1-1-3, so that heat on the motor 2 in the motor installation cavity 1-1-3 is transferred away, and the heat dissipation of the motor is facilitated.
Example 4
The difference between the embodiment and embodiment 1 is that, as shown in fig. 1, a cover plate 7 for limiting the front end of the motor 2 is installed at one end of the front frame 1-1 away from the rear frame 1-2 through a screw, and a power cable at the outlet end of the motor 2 passes through the cover plate 7 and is connected with the propulsion device;
in this embodiment, the stable installation of motor 2 has been guaranteed in the setting of apron 7, and the power cable also can be convenient takes out to carry out the electricity and connect simultaneously.
Example 5
The difference between the present embodiment and embodiment 1 is that, as shown in fig. 4, one side of the propeller 4 is provided with a positioning pin 5 for fixing the propeller 4, and the end of the motor shaft 2-1 is threadedly provided with a fastening cap 6 attached to the propeller 4;
in this embodiment, the setting of locating pin 5 and fastening cap 6 has effectually guaranteed the installation location to screw 4, and then has realized motor 2 to screw 4's real-time drive, guarantees the propulsion of equipment at the surface of water and under water.
Example 6
The difference between this embodiment and embodiment 1 is that, as shown in the figure, a plurality of horizontally arranged cooling grids 1-1-1 are integrally formed on the inner side wall of the front frame 1-1 corresponding to the position of the motor installation cavity 1-1-3;
in the embodiment, the cooling grid 1-1-1 enables the fluid in the motor installation chamber 1-1-3 to flow more smoothly, so that the heat dissipation of the motor 2 is facilitated, and the equipment is protected.
According to the double-sided available electric propeller provided by the embodiment of the invention, the motor 2 is used for generating power to drive the propeller 4 to rotate, the propeller 4 receives the power generated by the motor 2 to drive the using equipment to operate, and the electric direct-pushing technology is adopted to reduce the complexity of shafting transmission; meanwhile, the motor 2 is arranged in the single motor installation cavity 1-1-3, so that the flow channel inlet and the flow channel space are not occupied, the influence of the flow of a fluid medium in the main flow channel 1-1-2 of the machine body frame 1 is reduced, and the propelling efficiency is improved;
meanwhile, the fluid medium penetrates through the motor installation cavity 1-1-3, so that heat on the motor 2 in the motor installation cavity 1-1-3 is transferred away, and the heat dissipation of the motor is facilitated;
the positioning pin 5 and the fastening cap 6 effectively ensure the installation and positioning of the propeller 4, so that the real-time driving of the propeller 4 by the motor 2 is realized, and the propulsion of the equipment on the water surface and under the water is ensured;
the cooling grid 1-1-1 ensures that the fluid flow of the motor installation chamber 1-1-3 is smoother, thereby being more beneficial to the heat dissipation of the motor 2 and protecting equipment;
in conclusion, the electric direct-pushing device adopts the electric direct-pushing technology, reduces the complexity of shafting transmission, and meanwhile, the motor is arranged in a single fixed space, thereby effectively overcoming the influence of the flow of a fluid medium in a flow channel of a machine body frame and improving the pushing efficiency.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. A double-sided usable electric propeller comprises a machine body frame (1) as a mounting base body, and is characterized in that the machine body frame (1) is composed of a front frame (1-1) and a rear frame (1-2), and the front frame (1-1) and the rear frame (1-2) are fixed through a screw (8);
the upper surface and the lower surface of the front frame (1-1) are symmetrically and integrally formed with a main flow channel (1-1-2), one side of the front frame (1-1) away from the rear frame (1-2) is symmetrically provided with motor mounting cavities (1-1-3), the outer side of the main flow channel (1-1-2) is provided with a water inlet for inputting a liquid medium in an open manner, and a water inlet grid (3) is arranged on the water inlet;
the upper surface and the lower surface of the rear frame (1-2) are symmetrically provided with contraction nozzles (1-2-1), and stationary blades (1-2-2) for reinforcement are fixedly arranged in the contraction nozzles (1-2-1);
the two motor installation cavities (1-1-3) are respectively provided with a motor (2) for generating power, and a motor shaft (2-1) of the motor (2) extends into the contraction nozzle (1-2-2) and is provided with a propeller (4).
2. A double-sided usable electric propeller as claimed in claim 1, wherein: a plurality of grid strips (3-3) which are arranged in parallel are arranged at the position of the water inlet grid (3) corresponding to the water inlet, and the upstream surface of each grid strip (3-3) is provided with an oblique angle edge which can enable suspended matters in water to smoothly move.
3. A double-sided usable electric propeller as claimed in claim 2, wherein: the extending direction of the grid bars (3-3) is vertical to the arrangement direction of the motor shaft (2-1).
4. A double-sided usable electric propeller as claimed in claim 1, wherein: one side of the water inlet grille (3) close to the front frame (1-1) is symmetrically provided with first bosses (3-2) for positioning, and the front frame (1-1) is symmetrically provided with first grooves (1-1-4) clamped with the first bosses (3-2); one side of the rear frame (1-2) close to the water inlet grille (3) is symmetrically provided with second bosses (1-2-3) for positioning, and the water inlet grille (3) is symmetrically provided with second grooves (3-1) which are clamped with the second bosses (1-2-3).
5. A double-sided usable electric propeller as claimed in claim 1, wherein: one side of the main runner (1-1-2) close to the motor mounting position is integrally formed with a shaft sleeve part (1-1-5) sleeved on the motor shaft (2-1).
6. A double-sided usable electric propeller as claimed in claim 1, wherein: and a cover plate (7) used for limiting the front end of the motor (2) is mounted at one end of the front frame (1-1) departing from the rear frame (1-2) through a screw, and a power cable at a wire outlet end of the motor (2) penetrates through the cover plate (7) and is connected with propulsion equipment.
7. A double-sided usable electric propeller as claimed in claim 1, wherein: one side of screw (4) is equipped with and is used for fixed locating pin (5) of screw (4), and the terminal screw thread of motor shaft (2-1) installs fastening cap (6) with screw (4) laminating.
8. A double-sided usable electric propeller as claimed in claim 1, wherein: the side wall of the front frame (1-1) corresponding to the position of the motor installation cavity (1-1-3) is integrally formed with a plurality of horizontally arranged cooling grids (1-1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110114852.3A CN112793756A (en) | 2021-01-28 | 2021-01-28 | Double-sided available electric propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110114852.3A CN112793756A (en) | 2021-01-28 | 2021-01-28 | Double-sided available electric propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112793756A true CN112793756A (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110114852.3A Pending CN112793756A (en) | 2021-01-28 | 2021-01-28 | Double-sided available electric propeller |
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| Country | Link |
|---|---|
| CN (1) | CN112793756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872871A (en) * | 2022-04-30 | 2022-08-09 | 杭州舟海智能科技有限责任公司 | Propeller frame structure and propeller |
-
2021
- 2021-01-28 CN CN202110114852.3A patent/CN112793756A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872871A (en) * | 2022-04-30 | 2022-08-09 | 杭州舟海智能科技有限责任公司 | Propeller frame structure and propeller |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220803 Address after: 310016 room 02-49, floor 4, building 14, No. 20, kekeyuan Road, Baiyang street, Qiantang New District, Hangzhou, Zhejiang Province Applicant after: Hangzhou Zhouhai Intelligent Technology Co.,Ltd. Address before: No.156, Lulou Town, Peixian County, Xuzhou City, Jiangsu Province Applicant before: Zhao Yuxia |
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