CN207644607U - A kind of Shaftless propeller - Google Patents
A kind of Shaftless propeller Download PDFInfo
- Publication number
- CN207644607U CN207644607U CN201721403552.2U CN201721403552U CN207644607U CN 207644607 U CN207644607 U CN 207644607U CN 201721403552 U CN201721403552 U CN 201721403552U CN 207644607 U CN207644607 U CN 207644607U
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- shell
- annulus
- stator
- coil
- rotor
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Abstract
The utility model discloses a kind of Shaftless propellers,Including shell,Rotor and two end caps,The enclosure is installed with stator and Hall sensor,The rotor includes blade,Permanent magnet and annulus,The blade is fixedly mounted on inside annulus,The permanent magnet is embedded in inside annulus,The stator includes silicon steel sheet combined body and coil,The coil even compact is wrapped on silicon steel sheet combined body,The circuit of the Hall sensor and coil, which is summarized by connection jaws, to link together,The both sides of the annulus are equipped with mosaic groove,And it is internally provided with bearing in mosaic groove,It is equipped with closed pockets corresponding with mosaic groove on the inside of two end caps,To occupy little space,Improve space availability ratio,And it is compact-sized,Reduce the abrasion in transmission process,Capacity usage ratio is high,Lubricant effect and heat dissipation effect are relatively good,Reduce the structural complexity of device,To reduce actual use cost.
Description
Technical field
The utility model is related to propeller technical field, specially a kind of Shaftless propeller.
Background technology
Existing propeller is mostly to drive propeller blade rotation by motor output shaft, plays the role of propulsion.Closely
Nian Lai, with the reinforcement of trade between countries in the world, the marine volume of goods transported increases, and ships quantity, tonnage are also promoted therewith.But with
The development of larger-sized vessel, traditional ship propulsion system gradually show its disadvantage, can not preferably meet work and want
It asks.In traditional propulsion system, host, Propulsion Systems, propeller etc. are indispensable devices, and with host single-machine capacity
Increase, volume also increases therewith, and Propulsion Systems length is even more to increase to tens meters even hundred meters, and part cabin is occupied, leads
Uniform space utilization rate is low.Simultaneously as the increase of Propulsion Systems length, structure is increasingly sophisticated, is damaged in energy transfer process
Consumption increases, and transmission efficiency reduces, and increases the design difficulty and construction cost of ship.These defects cause people gradually by sight
Turn to more advanced shaftless propulsion system.
Comprehensive prior art, existing propeller are primarily present following three points disadvantage:
(1) with the increase of host single-machine capacity, volume also increases therewith, and Propulsion Systems length is even more to increase to tens meters
Even hundred meters, part cabin is occupied, causes space availability ratio low;
(2) due to the increase of Propulsion Systems length, structure is increasingly sophisticated, increase the design difficulty of ship with safeguard at
This;
(3) it due to the increase of Propulsion Systems length and the presence of sealing system, is lost and increases in energy transfer process, pass
Efficiency reduction is passed, use cost is increased.
Utility model content
In order to overcome the shortcomings of that prior art, the utility model provide a kind of Shaftless propeller, to occupied space
It is small, space availability ratio is improved, and compact-sized, reduces the abrasion in transmission process, capacity usage ratio is high, lubricant effect
It is relatively good with heat dissipation effect, the structural complexity of device is reduced, to reduce actual use cost, can effectively be solved
The problem of certainly background technology proposes.
Technical solution adopted by the utility model to solve its technical problems is:A kind of Shaftless propeller, including shell, turn
Son and two end caps, the enclosure are installed with stator and three Hall sensors, and the rotor includes blade, permanent magnetism
Body and annulus, the blade are fixedly mounted on inside annulus, and the permanent magnet is replaced by way of gluing according to the poles N and the poles S
It is embedded in the inside of annulus upper groove, the stator includes silicon steel sheet combined body and coil, and the coil even compact is wrapped in
Form single winding in groove on silicon steel sheet combined body, the stator by several single windings in series inside the shell wall,
The circuit of the Hall sensor and coil, which is summarized by connection jaws, to link together, and by connection jaws with it is extraneous into
Row connection communication;
As a kind of preferred technical solution of the utility model, the both sides of the annulus are equipped with mosaic groove, and are inlaying
Embedding inside grooves are equipped with bearing, are equipped with closed pockets corresponding with mosaic groove on the inside of two end caps, and end cap passes through
Fixing bolt is connected and fixed on the shell, and the bearing is located in the closed pockets on the inside of end cap.
As a kind of preferred technical solution of the utility model, the Hall sensor is in hexagonal angle about housing center
It is symmetrical to fix on the shell.
As a kind of preferred technical solution of the utility model, the coil and Hall sensor outer surface are coated with anti-corrosion
Leakproof electrocoat.
It is equipped with as a kind of preferred technical solution of the utility model, between the annulus and single winding between winding buffering
Gap, and the width of winding buffer gap is 3-5mm.
As a kind of preferred technical solution of the utility model, the silicon steel sheet combined body is led to by several silicon steel sheet monomers
It crosses to laminate and be formed with axial punch.
As a kind of preferred technical solution of the utility model, it is equipped with circulating water chennel between the adjacent single winding,
The circulating water chennel is distributed in along the axis direction of shell on the inner wall of shell.
As a kind of preferred technical solution of the utility model, the shell, rotor, stator and end cover surface are cone
Face, and the taper all same of shell, rotor, stator and end cap.
Compared with prior art, the utility model has the beneficial effects that:Motor and propeller are integrated by the utility model
One so that the volume of propeller greatly reduces, and to occupy little space, improves space availability ratio, and compact-sized, subtracts
The abrasion in transmission process is lacked, capacity usage ratio is high, and simple for structure, is easily installed and safeguards, due to reducing reality
Transmission process and drive mechanism, therefore reduce vibration and noise, by being in direct contact with seawater, lubricant effect and heat dissipation are imitated
Fruit is relatively good, but also can be omitted huge, complicated lubrication and cooling system, reduces the structural complexity of device,
To reduce actual use cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the utility model surface structure schematic diagram;
In figure:1- shells;2- rotors;3- end caps;4- stators;5- Hall sensors;6- connection jaws;7- bearings;8- windings
Buffer gap;
201- blades;202- permanent magnets;203- annulus;204- mosaic grooves;
301- closed pockets;
401- silicon steel sheet combined bodies;402- coils;The single windings of 403-;404- circulating water chennels.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.The direction and position term that the utility model is previously mentioned, for example, "upper", " in ", "lower", "front", "rear", "left", "right", "
It is interior ", "outside", " side " etc., be only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to use
To illustrate and understand the utility model, rather than to limit the utility model.
Embodiment:
As depicted in figs. 1 and 2, the utility model provides a kind of Shaftless propeller, including shell 1, rotor 2 and two ends
Lid 3 is installed with stator 4 and three Hall sensors 5 inside the shell 1, and the Hall sensor 5 is about in shell 1
The heart is symmetrically fixed in hexagonal angle on shell 1, the motion state for detecting rotor 2, and the rotor 2 includes blade 201, permanent magnetism
Body 202 and annulus 203, blade 201 is different from previous blade, is increased in 201 outer edge of blade based on traditional blades
An annulus 203, blade 201 has been added to form integral structure with annulus 203 by way of casting, welding or threaded connection,
And there are can be with the cavity of mosaic magnet on 203 annulus, the blade 201 be fixedly mounted on inside annulus 203, several
The inside of 203 upper groove of annulus is alternately embedded according to the poles N and the poles S by way of gluing to the permanent magnet 202, to make
It obtains blade 201, permanent magnet 202 and annulus 203 and is directly fixedly connected to form integral structure.
The stator 4 includes silicon steel sheet combined body 401 and coil 402, and the silicon steel sheet combined body 401 is by several silicon steel
Piece monomer is formed by laminating with axial punch, and 402 even compact of the coil is wrapped in the groove on silicon steel sheet combined body 401
Middle to form single winding 403, the stator 4 is connected on by several single windings 403 on 1 inner wall of shell, the hall sensing
The circuit of device 5 and coil 402, which is summarized by connection jaws 6, to link together, and is attached with the external world by connection jaws 6
Communication.
Winding buffer gap 8, and the width of winding buffer gap 8 are equipped between the annulus 203 and single winding 403
For 3-5mm.
The both sides of the annulus 203 are equipped with mosaic groove 204, and are internally provided with bearing 7 in mosaic groove 204, described
Mosaic groove 204 is used for the installation and positioning of bearing 7, and two 3 insides of the end cap are equipped with envelope corresponding with mosaic groove 204
Groove 301 is closed, and end cap 3 is fastened on by fixing bolt on shell 1, the closing that the bearing 7 is located at 3 inside of end cap is recessed
In slot 301, the bearing 7 is fixed on by transition cooperation inside the closed pockets 301 on end cap 3, and the rotor 2 then passes through circle
Mosaic groove 204 on ring 203 is fixed on bearing 7, in this way so that entire propeller becomes an entirety.
Preferably, the coil 402 and 5 outer surface of Hall sensor are coated with corrosion proof and leakproof electrocoat, including other
Module outer surface have passed through the corrosion proof and leakproof electric treatment on surface, therefore in the present invention, rotor 2 in device and fixed
It can be directly entered the inside of propeller without sealing device, flow between son 4, while lubricating bearing 7, additionally it is possible to play cold
But the effect of whole system;Be equipped with circulating water chennel 404 between the adjacent single winding 403, the circulating water chennel 404 along
The axis direction of shell 1 is distributed on the inner wall of shell 1, and the circulating water chennel 404 being distributed along 1 axis direction of shell easily facilitates
The entrance of flow, to have the function that with movable water lubrication and cooling.
It may further be preferable that the shell 1, rotor 2, stator 4 and 3 surface of end cap are the conical surface, and shell 1, rotor
2, the taper all same of stator 4 and end cap 3, convenient for the stability of the integration assembling and operating of whole device.
In the present invention, the conical surface refers to external surface shape identical with taper, that is, has cambered surface knot
The surface of structure.
The concrete operating principle of the utility model:When stator winding passes through alternating current, armature magnetomotive force is established, it
All have a significant impact to motor power conversion and runnability.So exchange winding, which is passed through alternating current, generates pulsating mmf, it should
Magnetomotive force can be analyzed to two rotating mmfs that amplitude is equal, rotating speed is opposite, to establish main story and reversion magnetic in air gap
And.The two rotating excitation field cutting rotor conductors, and induced electromotive force and induced current are generated in rotor conductor respectively.It should
Electric current generates positive and negative electromagnetic torque with magnetic field interaction, and positive electromagnetic torque attempt makes rotor rotate forward;Reversed electromagnetic torque enterprise
Figure makes rotor invert.The two torques, which stack up, exactly pushes the synthesis of motor rotation to turn.
In conclusion the utility model is mainly characterized by:The utility model monnolithic case is oblate cylindricality, is pushed away at this
Into in device, the stator, rotor, shell of conventional motors are redesigned, broken the conventional mode of thinking and propulsion module
Formula eliminates the output shaft part of motor, motor and propeller is become one, to substantially reduce actual use body
Product so that the volume of propeller greatly reduces, and to occupy little space, improves space availability ratio, and compact-sized, fully
Using motor, reduce the abrasion in transmission process, capacity usage ratio is high, carries out modular design, simple for structure, is easy to pacify
It dress and safeguards, due to reducing actual transmission process and drive mechanism, reduces vibration and noise, enhance concealment,
By being in direct contact with seawater, lubricant effect and heat dissipation effect are relatively good, but also can be omitted huge, complicated lubrication
And cooling system, the structural complexity of device is reduced, to reduce actual use cost.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (8)
1. a kind of Shaftless propeller, including shell (1), rotor (2) and two end caps (3), it is characterised in that:The shell (1)
Inside is installed with stator (4) and three Hall sensors (5), and the rotor (2) includes blade (201), permanent magnet (202)
With annulus (203), the blade (201) is fixedly mounted on annulus (203) inside, the side that the permanent magnet (202) passes through gluing
Formula is alternately embedded in the inside of annulus (203) upper groove according to the poles N and the poles S, and the stator (4) includes silicon steel sheet combined body
(401) and coil (402), coil (402) even compact are wrapped in formation list in the groove on silicon steel sheet combined body (401)
A winding (403), the stator (4) are connected on by several single windings (403) on shell (1) inner wall, the hall sensing
The circuit of device (5) and coil (402), which is summarized by connection jaws (6), to link together, and passes through connection jaws (6) and the external world
It is attached communication.
2. a kind of Shaftless propeller according to claim 1, it is characterised in that:The both sides of the annulus (203) are equipped with
Mosaic groove (204), and it is internally provided with bearing (7) in mosaic groove (204), it is equipped with and inlays on the inside of two end caps (3)
The corresponding closed pockets (301) of embedding groove (204), and end cap (3) is fastened on by fixing bolt on shell (1), it is described
Bearing (7) is located at the closed pockets (301) on the inside of end cap (3) Nei.
3. a kind of Shaftless propeller according to claim 1, it is characterised in that:The Hall sensor (5) is about shell
(1) center is symmetrically fixed in hexagonal angle on shell (1).
4. a kind of Shaftless propeller according to claim 1, it is characterised in that:The coil (402) and Hall sensor
(5) outer surface is coated with corrosion proof and leakproof electrocoat.
5. a kind of Shaftless propeller according to claim 1, it is characterised in that:The annulus (203) and single winding
(403) winding buffer gap (8) are equipped between, and the width of winding buffer gap (8) is 3-5mm.
6. a kind of Shaftless propeller according to claim 1, it is characterised in that:The silicon steel sheet combined body (401) if by
A dry silicon steel sheet monomer is formed by laminating with axial punch.
7. a kind of Shaftless propeller according to claim 1, it is characterised in that:The adjacent single winding (403) it
Between be equipped with circulating water chennel (404), the circulating water chennel (404) is distributed in the inner wall of shell (1) along the axis direction of shell (1)
On.
8. a kind of Shaftless propeller according to claim 1, it is characterised in that:The shell (1), rotor (2), stator
(4) and end cap (3) surface is the conical surface, and the taper all same of shell (1), rotor (2), stator (4) and end cap (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721403552.2U CN207644607U (en) | 2017-10-27 | 2017-10-27 | A kind of Shaftless propeller |
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CN201721403552.2U CN207644607U (en) | 2017-10-27 | 2017-10-27 | A kind of Shaftless propeller |
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CN207644607U true CN207644607U (en) | 2018-07-24 |
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ID=62884320
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107719613A (en) * | 2017-10-27 | 2018-02-23 | 中国海洋大学 | A kind of Shaftless propeller |
CN109110096A (en) * | 2018-08-06 | 2019-01-01 | 中国人民解放军海军工程大学 | Novel no axle construction pump spray formula propeller and the submarine navigation device containing the propeller |
CN109305316A (en) * | 2018-10-26 | 2019-02-05 | 中国舰船研究设计中心 | Naval vessel external can the shaftless propulsion device of folding and unfolding |
CN111688895A (en) * | 2020-07-22 | 2020-09-22 | 龙海特尔福汽车电子研究所有限公司 | Marine shaftless propulsion device |
-
2017
- 2017-10-27 CN CN201721403552.2U patent/CN207644607U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107719613A (en) * | 2017-10-27 | 2018-02-23 | 中国海洋大学 | A kind of Shaftless propeller |
CN109110096A (en) * | 2018-08-06 | 2019-01-01 | 中国人民解放军海军工程大学 | Novel no axle construction pump spray formula propeller and the submarine navigation device containing the propeller |
CN109305316A (en) * | 2018-10-26 | 2019-02-05 | 中国舰船研究设计中心 | Naval vessel external can the shaftless propulsion device of folding and unfolding |
CN111688895A (en) * | 2020-07-22 | 2020-09-22 | 龙海特尔福汽车电子研究所有限公司 | Marine shaftless propulsion device |
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