CN207328800U - A kind of ship stern propulsion device based on magnetic drives - Google Patents
A kind of ship stern propulsion device based on magnetic drives Download PDFInfo
- Publication number
- CN207328800U CN207328800U CN201721079368.7U CN201721079368U CN207328800U CN 207328800 U CN207328800 U CN 207328800U CN 201721079368 U CN201721079368 U CN 201721079368U CN 207328800 U CN207328800 U CN 207328800U
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- CN
- China
- Prior art keywords
- separation sleeve
- axis
- propulsion device
- magnet
- baffle ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of ship stern propulsion device based on magnetic drives, which includes interior magnet rotor, isolating device and outer magnet rotor；Interior magnet rotor includes axis, inner magnet and clip, and inner magnet is installed on axis, and the axial and circumferential of inner magnet are spacing to be realized by clip and key connection respectively；Isolating device includes separation sleeve, fore bearing, rear bearing, baffle ring and compression ring, and separation sleeve is bolted by baffle ring and compression ring and is provided in hull, 2 radial supports of endpoint and the shaft shoulder of axis by the fore bearing being arranged inside separation sleeve and rear bearing；Outer magnet rotor is made of overcoat and outer magnet, and overcoat is connected with exterior engine, is put on outside embedded with outer magnet.The utility model solves the existing propulsion device technical problem that voltage endurance capability is not strong under severe use environment, sealing reliability is not high, arrangement space is limited.
Description
Technical field
The utility model belongs to stern propulsion device technical field peculiar to vessel, and in particular to a kind of stern based on magnetic drives
Propulsion device, for meeting that miniaturization of the ship under high voltage air-proof condition promotes demand.
Background technology
In marine propulsion, on the one hand its rotor structure will keep flexible rotating, transmit moment of torsion, on the other hand need again
Bear seawater pressure.Traditional seal form such as sealing ring, though it can realize the flexible engagement with rotor compared with softwood matter, there is provided
Voltage endurance capability, but rotational resistance is increased, so that the output to power source is more demanding；Its harder material, though it can reach flexibly
The small purpose of rotation, frictional resistance, but experiment shows that its sealing reliability is not high, can only ensure short-term sealing effect.In addition,
With the variation that marine settings develop, the propulsion device of the small-sized equipment in deep-sea also proposes requirements at the higher level to dynamic sealing,
While meeting system matches, sealing performance, it is also desirable to which sealing structure caused by taking into account master-plan miniaturization is simplified
With micromation, it is clear that its is complicated for traditional mechanical seal formal cause, volume is larger and can not meet this demand.
Magnetic drives are set forth in the 1930s, its development comes from the industrial production seventies and new technology and environment are protected
The demand of shield.At present, the design of magnetic drives and technology are more mature, and technique is also more perfect with generating, but its application neck
Domain is most of still in be developed and treat the popularization stage in addition to the matured products such as magnetic drive pump, Magnetic valves.By magnetic drives application
In marine propulsion, the Miniaturization Design being particularly suitable under high voltage air-proof condition, the current country there is no precedent.
Utility model content
In view of this, the utility model provides a kind of ship stern propulsion device based on magnetic drives, solves existing
The propulsion device technical problem that voltage endurance capability is not strong under severe use environment, sealing reliability is not high, arrangement space is limited.
A kind of ship stern propulsion device based on magnetic drives, the device include interior magnet rotor, isolating device and outer magnetic
Rotor；The interior magnet rotor includes axis, inner magnet and clip, and inner magnet is installed on axis, and the axial and circumferential of inner magnet are spacing
Realized respectively by clip and key connection；The isolating device includes separation sleeve, fore bearing, rear bearing, baffle ring and compression ring, every
It is bolted from set by baffle ring and compression ring in hull, 2 radial supports of endpoint and the shaft shoulder of axis are by being arranged at isolation
Fore bearing and rear bearing inside set provide；The outer magnet rotor is made of overcoat and outer magnet, overcoat and exterior engine
Connection, puts on embedded with outer magnet outside.
Further, the isolating device further includes axle envelope, and the axle envelope is installed between baffle ring and compression ring, is used for
Stop that foreign matter enters inside separation sleeve.
Further, the surface of the inner magnet, the bow stern both sides of rear bearing are coated with non-metallic layer, the material of non-metallic layer
Expect for from dielectric corrosion and wear-resisting nonmagnetic substance.
Further, the separation sleeve, baffle ring, non-metallic layer and compression ring are bolted, then pass through circumferential mistake
Position bolt is integrally fastened to hull.
Further, the contact surface of the shaft shoulder of the axis and separation sleeve is used for transmitting thrust, the axis of axis under a stretching force
Realized to spacing by the contact surface of the shaft shoulder and baffle ring.
Further, the wall thickness of the separation sleeve is determined by suffered pressure medium size.
Beneficial effect：
1st, the utility model is realized by the interior magnet rotor of sealed connection between separation sleeve and hull and outer magnet rotor
Complete watertight isolation, seawater can enter inner magnet and the space inside separation sleeve by axle envelope, but cannot be introduced into every
From in the space between set and overcoat；In addition, using magnetic drives form, and axial carrying and limit are considered in structure design
Position, radial support and unbalance loading, realize zero leakage of ship stern propulsion device, ensure that the reliability of sealing.
2nd, the utility model carries thrust, pulling force is spacing and radial support is focused at the shaft shoulder of axis, and function is integrated
With compartmentalization, the complexity of magnetic drives structure design is reduced, simple in structure and miniaturization, improves inner magnet and outer magnetic
Axially contact length between body, beneficial to the magnetic drives of bigger torque demand.
3rd, the utility model can design specific and with certain surplus isolation jacket wall according to the magnitude of suffered pressure medium
Thickness, meets transmission demand and voltage endurance capability of the propulsion device under different medium environment.
Brief description of the drawings
Fig. 1 is the structure composition schematic diagram of the utility model one embodiment；
Fig. 2 is the structure composition schematic diagram of interior magnet rotor；
Fig. 3 is the structure composition schematic diagram of isolating device；
Fig. 4 is the structure composition schematic diagram of outer magnet rotor；
Fig. 5 is the structure composition schematic diagram of another embodiment of the utility model.
Wherein, bearing, 8- stop after 1- axis, 2- inner magnets, 3- clips, 4- non-metallic layers, 5- separation sleeves, 6- fore bearings, 7-
Baffle ring, 9- axle envelopes, 10- compression rings, 11- outer magnets, 12- overcoats.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
As shown in Figure 1, the utility model provides a kind of ship stern propulsion device based on magnetic drives, the device
Including interior magnet rotor, isolating device and outer magnet rotor；
As shown in Figure 2, interior magnet rotor includes axis 1, inner magnet 2 and clip 3, has the shaft shoulder on axis 1, inner magnet 2 is installed
In the right side of the shaft shoulder, the axial and circumferential of inner magnet 2 are spacing to be realized by clip 3 and key connection respectively, the appearance bread of inner magnet 2
Cover non-metallic layer 4.
As shown in Figure 3, isolating device includes separation sleeve 5, fore bearing 6, rear bearing 7, baffle ring 8, axle envelope 9 and compression ring
10, separation sleeve 5 is the shell structure of one end open one end closing, and open end has the annular shaft bearing of bearing 7 after an installation,
The bottom of blind end has the bearing block of installation fore bearing,
Separation sleeve 5 is bolted in hull by baffle ring 8 and compression ring 10, and axle envelope 9 is installed on baffle ring 8 and compresses
Between ring 10,2 radial supports of endpoint and the shaft shoulder of axis are provided by the fore bearing 6 and rear bearing 7 being arranged inside separation sleeve；
Baffle ring 8 also coats non-metallic layer with coating non-metallic layer 4 on the mounting surface of separation sleeve 5 in the rear bearing bearing block of separation sleeve 5
4, the bow stern both sides of bearing 7 are isolated by non-metallic layer 4 after formation.
As shown in Figure 4, outer magnet rotor is made of overcoat 12 and outer magnet 11, and one end of overcoat is open housing, separately
One end has connecting flange, and overcoat 12 is connected by connecting flange with the connecting flange of exterior engine, 12 housing of overcoat
Outer magnet 11 is embedded with inner peripheral surface.
The power that engine produces passes to overcoat 12 by connecting flange, drives overcoat 12 and the outer magnet being embedded
11 rotations, magnetic field pass to inner magnet 2 by medium, the thin-walled of separation sleeve 5 and non-metallic layer 4, formed outer magnet 11 with it is interior
Magnetic circuit between magnet 2, drives inner magnet 2 to rotate.Inner magnet 2 further delivers torque to axis 1 by key connection, and axis 1 is preceding
Drive propeller rotates under the support of bearing 6 and rear bearing 7, produces thrust.The thrust that propeller produces by the shaft shoulder of axis 1 with
The contact surface of separation sleeve 5 passes to separation sleeve 5, and passes to hull eventually through non-metallic layer 4, baffle ring 8, compression ring 10,
Hull is driven to advance.Under the operating modes such as hull reversing, axis 1 can bear the pulling force opposite with direct of travel, at this time baffle ring 8 and axis
1 shaft shoulder contact surface is used for the position-limiting action for carrying the direction.
Inner magnet 7 transmit the issuable axial float of moment of torsion process carried out by the clip 3 being fixed on axis 1 it is spacing.
As shown in figure 5, another embodiment of the utility model, and one embodiment difference lies in：
Bearing 7 is fixed in baffle ring 8 after described, the stern radial support as axis 1；
At the position of 5 inner surface respective shaft of separation sleeve, 1 shaft shoulder, non-metallic layer 4 is coated.
In conclusion the above is only the preferred embodiments of the present utility model only, the utility model is not intended to limit
Protection domain.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on, should all wrap
It is contained within the scope of protection of the utility model.
Claims (6)
1. a kind of ship stern propulsion device based on magnetic drives, which turns including interior magnet rotor, isolating device and outer magnetic
Son；It is characterized in that, the interior magnet rotor includes axis, inner magnet and clip, inner magnet is installed on axis, the axial direction of inner magnet and
It is circumferential spacing respectively by clip and key connection realization；The isolating device include separation sleeve, fore bearing, rear bearing, baffle ring and
Compression ring, separation sleeve are bolted in hull by baffle ring and compression ring, 2 radial supports of endpoint and the shaft shoulder of axis by
The fore bearing being arranged inside separation sleeve and rear bearing provide；The outer magnet rotor is made of overcoat and outer magnet, overcoat with it is outer
The engine connection in portion, puts on embedded with outer magnet outside.
2. ship stern propulsion device as claimed in claim 1, it is characterised in that the isolating device further includes axle envelope, institute
State axle envelope to be installed between baffle ring and compression ring, for stopping that foreign matter enters inside separation sleeve.
3. ship stern propulsion device as claimed in claim 2, it is characterised in that the surface of the inner magnet, rear bearing
Bow stern both sides are coated with non-metallic layer, and the material of non-metallic layer is from dielectric corrosion and wear-resisting nonmagnetic substance.
4. ship stern propulsion device as claimed in claim 3, it is characterised in that the separation sleeve, baffle ring, non-metallic layer
It is bolted with compression ring, then hull is integrally fastened to by circumferential misalignment bolt.
5. ship stern propulsion device as claimed in claim 4, it is characterised in that the shaft shoulder of the axis and the contact of separation sleeve
Face is used for transmitting thrust, and the axial limiting of axis under a stretching force is realized by the contact surface of the shaft shoulder and baffle ring.
6. ship stern propulsion device as claimed in claim 5, it is characterised in that the wall thickness of the separation sleeve presses suffered medium
Pressure size determines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721079368.7U CN207328800U (en) | 2017-08-25 | 2017-08-25 | A kind of ship stern propulsion device based on magnetic drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721079368.7U CN207328800U (en) | 2017-08-25 | 2017-08-25 | A kind of ship stern propulsion device based on magnetic drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207328800U true CN207328800U (en) | 2018-05-08 |
Family
ID=62374094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721079368.7U Expired - Fee Related CN207328800U (en) | 2017-08-25 | 2017-08-25 | A kind of ship stern propulsion device based on magnetic drives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207328800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444602A (en) * | 2017-08-25 | 2017-12-08 | 中国船舶重工集团公司第七〇九研究所 | A kind of ship stern propulsion plant based on magnetic drives |
-
2017
- 2017-08-25 CN CN201721079368.7U patent/CN207328800U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444602A (en) * | 2017-08-25 | 2017-12-08 | 中国船舶重工集团公司第七〇九研究所 | A kind of ship stern propulsion plant based on magnetic drives |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20190825 |