CN114313190A - Integrated motor propeller - Google Patents
Integrated motor propeller Download PDFInfo
- Publication number
- CN114313190A CN114313190A CN202210001301.0A CN202210001301A CN114313190A CN 114313190 A CN114313190 A CN 114313190A CN 202210001301 A CN202210001301 A CN 202210001301A CN 114313190 A CN114313190 A CN 114313190A
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- Prior art keywords
- propeller
- rotor
- bearing
- integrated motor
- dynamic seal
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- 230000003068 static effect Effects 0.000 claims abstract description 10
- 230000010354 integration Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000005461 lubrication Methods 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses an integrated motor propeller, wherein a static part comprises a propeller stator, a rotor supporting framework connected with the propeller stator and a rotor supporting shaft connected with the rotor supporting framework, a rotating part comprises a propeller rotor, a propeller connected with the propeller rotor and a propeller inner cylinder connected with the propeller, the integrated motor propeller also comprises a bearing and a dynamic seal which are arranged between the static part and the rotating part and are respectively arranged on a bearing seat and a dynamic seal support, and the propeller rotor adopts a permanent magnet rotor and is integrated with the propeller. The invention can effectively solve the defects of abrasion and low efficiency of the water lubrication bearing, improves the efficiency of the integrated motor propeller, reduces the abrasion of the bearing and prolongs the service life of the bearing. The motor is particularly suitable for the integrated motor propeller which is efficient, low-speed and frequently started.
Description
Technical Field
The invention relates to an integrated motor propeller, which belongs to ship propulsion, is particularly suitable for occasions such as ship main propulsion, ship side propulsion, dynamic positioning and the like, and can be suitable for occasions with frequent starting and long-term low-speed operation.
Background
Along with the development of boats and ships marine industry, the application of integrated motor propeller is more and more wide, and this type of motor has compact structure, small, light in weight, simple structure is reliable, advantage such as efficient, can also provide positive and negative two-way thrust simultaneously, the economic nature of lifting means and operation.
For the wide application of the integrated motor propeller, the bearing support technology of the integrated motor is a key technology and is directly related to the performance of the propeller.
The conventional integrated motor propeller usually adopts a water lubrication sliding bearing scheme, but in the starting process and the low-speed operation of the water lubrication sliding bearing, because a water film cannot be completely established, the lubrication condition between a bearing bush and a rotating shaft friction pair is relatively poor, and the mixed friction, even the dry friction and other conditions can be caused. The mixed friction firstly causes a large friction coefficient and is difficult to start; secondly, the long-term multiple mixing can cause the accelerated wear of the water lubrication bearing, and further influences the service life of the bearing.
With the wide application of the integrated motor propeller, the starting and low-speed running problems of the water lubrication bearing are more and more prominent, and the application under the working conditions of frequent starting and low-speed running is severely restricted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and designs a feasible and convenient novel bearing support structure of the integrated motor propeller starting from the support of the integrated motor propeller.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an integrated motor propeller, includes by the propeller stator, the rotor support skeleton be connected with the propeller stator and the static part of rotor back shaft constitution be connected with the rotor support skeleton to and by the screw rotor, the screw of being connected with the screw rotor and the rotary part of forming with the screw inner tube that the screw is connected, still including installing bearing and the dynamic seal between static part and rotary part, bearing and dynamic seal set up respectively on bearing frame and dynamic seal support, the screw rotor adopt permanent magnet rotor, be in the same place with the screw is integrated.
The bearing of the integrated motor propeller is a rolling bearing sealed by adopting a dynamic seal, the dynamic seal and the bearing part are cooled by adopting lubricating oil or lubricating grease, the inner ring is a fixed part and is connected with a rotor supporting framework, and the outer ring is a rotating part and is connected with an inner hub of a propeller.
The propeller rotor and the propeller of the integrated motor propeller are of an integrated structure.
According to the integrated motor propeller, the propeller rotor is mechanically connected with the propeller through the locking nut.
The principle of the invention is as follows: the invention can effectively solve the defects of abrasion and low efficiency of the water lubrication bearing, improves the efficiency of the integrated motor propeller, reduces the abrasion of the bearing and prolongs the service life of the bearing. The motor is particularly suitable for the integrated motor propeller which is efficient, low-speed and frequently started.
The invention has the characteristics of high coaxiality, small starting torque, high reliability, convenient maintenance and the like, and is particularly suitable for the propulsion occasions with high performance, high reliability requirements and frequent starting and stopping requirements.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of the stationary components of the present invention;
FIG. 4 is a schematic view of the structure of the rotating member of the present invention;
fig. 5 is a schematic structural diagram of another embodiment of the present invention.
The figures are numbered: 1-static part, 1.1-propeller stator, 1.2-rotor supporting framework, 1.3-rotor supporting shaft, 2-rotating part, 2.1-propeller rotor, 2.2-propeller, 2.3-propeller inner cylinder, 2.4-bearing seat, 2.5-dynamic sealing support, 3-bearing and 4-dynamic sealing.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1
As shown in figures 1 and 2, the invention designs a set of novel supporting thrust structure aiming at the characteristics of an integrated motor propeller which needs frequent starting and low-speed work, and provides the integrated motor propeller which has simple structure, high reliability and convenient maintenance, and consists of a propeller static part 1, a rotating part 2, a bearing 3, a dynamic seal 4 and other parts.
As shown in fig. 3, the stationary part 1 includes a propeller stator 1.1, a rotor support frame 1.2 and a rotor support shaft 1.3, wherein the rotor support frame 1.2 is connected with the propeller stator 1.1, and the rotor support shaft 1.3 is connected with the rotor support frame 1.2.
As shown in fig. 4, the rotating member 2 includes a propeller rotor 2.1, a propeller 2.2, and a propeller inner cylinder 2.3, wherein the propeller 2.2 is connected to the propeller rotor 2.1, and the propeller inner cylinder 2.3 is connected to the propeller 2.2. A bearing 3 and a dynamic seal 4 which are installed between the static component 1 and the rotating component 2 are respectively arranged on a bearing seat 2.4 and a dynamic seal support 2.5.
Wherein the propeller rotor 2.1 adopts the permanent magnet rotor, is in the same place with the integration of propeller 2.2, bearing 3 adopt the dynamic seal form can adopt lip seal and mechanical seal form, keep apart the outside water of propeller and inside lubricating oil, dynamic seal and bearing part adopt lubricating oil or lubricating grease to cool off, the inner circle is the fixed part, is connected with rotor support skeleton 1.2, the outer lane is rotary part, links to each other with the interior hub of propeller 2.2. The radial support and axial thrust support members thereof become the bearing body. The bearing ensures low-friction rotation and bearing thrust between the stator and the rotor, and the dynamic seal ensures that lubricating oil in the bearing is effectively isolated from an external aqueous medium.
The assembly mode of the invention is as follows:
firstly, a static part 1 connects a propeller stator 1.1 with a rotor supporting framework 1.2 at one side, and then connects a rotor supporting shaft 1.3 with the rotor supporting framework 1.2; a rotor supporting framework 1.2 is arranged on a propeller stator 1.1, one end of the supporting framework is connected to a stator casing, the other end of the supporting framework is linked to a rotor supporting shaft 1.3, and the coaxiality of the propeller stator 1.1 and the rotor supporting shaft 1.3 is guaranteed through the supporting framework.
And step two, the rotating part 2 is used for connecting a propeller rotor 2.1 and a propeller 2.2 of the propeller, then a fixed cylinder is designed in the propeller, the fixed cylinder and the propeller are fixed into a whole, the propeller 2.2 is connected with an inner cylinder 2.3 of the propeller, and a set of bearing manufacturing and dynamic sealing support is designed at the same time to form a rotating part of the propeller.
And step three, mounting a bearing and a rotary seal between the static component 1 and the rotary component 2. And (3) sequentially mounting a bearing 3, a bearing seat 2.4, a dynamic seal support 2.5, a dynamic seal 4 and the like with the parts in the first step and the second step.
And step four, mounting the rotor support framework 1.2 on the other side in place to complete assembly.
Example 2
The difference from the above embodiment is: the dynamic seal of the scheme can adopt the sealing schemes of framework oil seal, mechanical seal and the like.
Example 3
The difference from the above embodiment is: the rotor support framework 1.2 of the scheme can adopt bilateral support and lateral support.
Example 4
As shown in fig. 5, the bearing 3 and the dynamic seal 4 can be replaced.
The scope of protection of the invention is not limited to the embodiments described above.
The above-described embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the inventive concept of the present invention, and these embodiments are within the scope of the present invention.
Claims (4)
1. An integrated motor propeller, its characterized in that: including by propeller stator (1.1), the static part (1) of rotor support skeleton (1.2) and rotor support shaft (1.3) constitution of being connected with propeller stator (1.1) and rotor support skeleton (1.2), and by propeller rotor (2.1), propeller (2.2) of being connected with propeller rotor (2.1) and the rotary part (2) of forming with propeller inner tube (2.3) of being connected with propeller (2.2), still including installing bearing (3) and dynamic seal (4) between static part (1) and rotary part (2), bearing (3) and dynamic seal (4) set up respectively on bearing frame (2.4) and dynamic seal support (2.5), propeller rotor (2.1) adopt permanent magnet rotor, be in the same place with propeller (2.2) integration.
2. An integrated electric motor propeller as claimed in claim 1, characterized in that said bearing (3) is a dynamic sealed rolling bearing, the inner ring of which is connected to the rotor supporting frame (1.2) and the outer ring of which is connected to the inner hub of the propeller (2.2).
3. An integrated motor thruster as claimed in claim 1 or 2, characterized in that the propeller rotor (2.1) and the propeller (2.2) are of one-piece construction.
4. An integrated motor propeller as claimed in claim 1 or 2, characterised in that the propeller rotor (2.1) is connected to the propeller (2.2) by means of a locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210001301.0A CN114313190A (en) | 2022-01-04 | 2022-01-04 | Integrated motor propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210001301.0A CN114313190A (en) | 2022-01-04 | 2022-01-04 | Integrated motor propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114313190A true CN114313190A (en) | 2022-04-12 |
Family
ID=81022543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210001301.0A Pending CN114313190A (en) | 2022-01-04 | 2022-01-04 | Integrated motor propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114313190A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632982A (en) * | 2012-04-28 | 2012-08-15 | 中国船舶重工集团公司第七○二研究所 | Shaftless driven type integrated motor propeller |
| CN202414147U (en) * | 2011-11-21 | 2012-09-05 | 中国船舶重工集团公司第七一二研究所 | Integrated thruster |
| US20120238160A1 (en) * | 2009-09-30 | 2012-09-20 | Eagleburgmann Germany Gmbh & Co. Kg | Drive device for water vehicles |
| CN108730349A (en) * | 2018-05-25 | 2018-11-02 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of integrated form oil-lubricated bearing having hub wheel edge propeller for deep-sea |
| CN109018269A (en) * | 2018-09-06 | 2018-12-18 | 中国船舶工业系统工程研究院 | A kind of propulsion device of the full electric drive underwater robot of big depth |
| CN111152907A (en) * | 2020-01-17 | 2020-05-15 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Propulsion system and control method thereof |
| CN212637877U (en) * | 2020-06-02 | 2021-03-02 | 珠海市汉图达科技有限公司 | Axial flux motor driven annular electric propeller supported by shafting |
| CN213109744U (en) * | 2020-09-16 | 2021-05-04 | 常州市睿速电气科技有限公司 | Rim propeller |
-
2022
- 2022-01-04 CN CN202210001301.0A patent/CN114313190A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120238160A1 (en) * | 2009-09-30 | 2012-09-20 | Eagleburgmann Germany Gmbh & Co. Kg | Drive device for water vehicles |
| CN202414147U (en) * | 2011-11-21 | 2012-09-05 | 中国船舶重工集团公司第七一二研究所 | Integrated thruster |
| CN102632982A (en) * | 2012-04-28 | 2012-08-15 | 中国船舶重工集团公司第七○二研究所 | Shaftless driven type integrated motor propeller |
| CN108730349A (en) * | 2018-05-25 | 2018-11-02 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of integrated form oil-lubricated bearing having hub wheel edge propeller for deep-sea |
| CN109018269A (en) * | 2018-09-06 | 2018-12-18 | 中国船舶工业系统工程研究院 | A kind of propulsion device of the full electric drive underwater robot of big depth |
| CN111152907A (en) * | 2020-01-17 | 2020-05-15 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Propulsion system and control method thereof |
| CN212637877U (en) * | 2020-06-02 | 2021-03-02 | 珠海市汉图达科技有限公司 | Axial flux motor driven annular electric propeller supported by shafting |
| CN213109744U (en) * | 2020-09-16 | 2021-05-04 | 常州市睿速电气科技有限公司 | Rim propeller |
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