CN102437679A - All-statically sealed low-speed submersible motor - Google Patents
All-statically sealed low-speed submersible motor Download PDFInfo
- Publication number
- CN102437679A CN102437679A CN2011104416629A CN201110441662A CN102437679A CN 102437679 A CN102437679 A CN 102437679A CN 2011104416629 A CN2011104416629 A CN 2011104416629A CN 201110441662 A CN201110441662 A CN 201110441662A CN 102437679 A CN102437679 A CN 102437679A
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- decelerator
- housing
- rear end
- motor
- casing
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Abstract
The invention discloses an all-statically sealed low-speed submersible motor, which solves the problems of high failure rate and high maintenance and servicing workload of the conventional submersible motor. The motor comprises a motor body (1), a speed reducer (2) and a magnetic coupling (3). A shell at the input end of the speed reducer (2) is fixedly connected together with the front end of a housing (7) of the motor body (1) in a sealing way, and a shell at the output end of the speed reducer (2) is fixedly connected with the head part of a T-shaped cylindrical sealing cover (13) in a sealing way. The inner cavity of the motor body (1), the inner cavity of the speed reducer (2) and the T-shaped cylindrical sealing cover (13) form an all-statically sealed inner cavity. An output shaft (6) of a motor rotor (5) is connected with an input shaft of the speed reducer (2). A magnetic coupling driving wheel (14) is fixedly arranged on an output shaft (25) of the speed reducer (2). A load rotator is arranged outside the T-shaped cylindrical sealing cover (13). When the all-statically sealed low-speed submersible motor is used, all static sealing is realized, and the aim of underwater low-rotating speed running is fulfilled.
Description
Technical field
The present invention relates to a kind of submersible motor, particularly a kind of magnetic coupling that utilizes makes electric machine rotational axis need not get final product drive load through mechanical attachment, thereby reaches the submersible motor of full-static sealing purpose.
Background technology
The rotating speed of existing submersible motor is higher, can't satisfy simultaneously with power output, the requirement that rotating speed is low and volume is little.The mechanical attachment form is adopted in the rotating shaft of existing submersible motor and load simultaneously, for preventing the motor internal water inlet, between rotating shaft and end cap, the movable sealing part must be installed.Because have relative rotary motion between movable sealing part and the rotating shaft, the sliding friction of the two makes movable sealing part easy abrasion needs running check, replacing.This kind hermetically-sealed construction makes submersible motor have shortcomings such as failure rate is high, the maintaining workload is big, obturator replacing difficulty.
Summary of the invention
The invention provides a kind of full-static sealing low speed submersible motor and solved the rotating shaft of existing submersible motor and the problem that the failure rate that movable sealing brought is high, the maintaining workload is big, obturator is changed difficulty that mechanical attachment is adopted in load.
The present invention overcomes the above problems through following scheme:
A kind of full-static sealing low speed submersible motor; Comprise motor body, decelerator and magnetic coupling; The front end fixed seal connection of the housing of the input of decelerator and the casing of motor body together; The head fixed seal connection of the column sealed cover of the housing of the output of decelerator and T shape together; The column sealed cover of the inner chamber of motor body, the inner chamber of decelerator and T shape has been formed the inner chamber of individual full-static sealing, and the output shaft and the input shaft of speed reducer of rotor link together, and are set with the magnetic coupling driving wheel on the output shaft of decelerator; Front end at the decelerator in the outside of the column sealed cover of T shape is set with the submerged bearing I; Column sealed cover T shape is set with the submerged bearing II in the outside foremost, between submerged bearing I and submerged bearing II, is provided with described load rotary body, is set with the magnetic coupling driven pulley at the load a rotating body.
Described magnetic coupling driving wheel is to be fixedly installed on the output shaft of decelerator through key and hold-down screw IV.
Rear end at the casing of motor body is set with rear end cap; On rear end cap, be fixedly connected with bonnet; The rear end of casing, rear end cap and bonnet are crimped on together through the hold-down screw I; Be provided with the O-ring seals III in the rear end of casing and the contact-making surface place of rear end cap, be provided with the O-ring seals II, on bonnet, be respectively arranged with water-proof cable socket and pouring orifice at the contact-making surface place of rear end cap and bonnet; The water-proof cable socket is connected with winding electric on the motor stator; Contact-making surface place at water-proof cable socket and bonnet is provided with the O-ring seals I, and pouring orifice is provided with sealing gasket and sealing cap, is provided with front end housing at the front end of the casing of motor body; Housing rear end at front end housing and decelerator is fixed together; The housing rear end of the front end of casing, front end housing and decelerator links together through the hold-down screw II, is provided with the O-ring seals IV at the front end of casing and the contact-making surface place of front end housing, is provided with the O-ring seals V at the contact-making surface place of the housing rear end of front end housing and decelerator; Junction at the housing front end of the column sealed cover of T shape and decelerator is provided with the O-ring seals VI, and the column sealed cover of T shape is that the hold-down screw III is fixedly connected with the housing front end of decelerator.
The present invention has realized the purpose of full-static sealing, has reduced motor volume effectively simultaneously, reaches the purpose of the operation of the slow-speed of revolution under water.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Followingly describe according to the accompanying drawing specific embodiments of the invention:
A kind of full-static sealing low speed submersible motor; Comprise motor body 1, decelerator 2 and magnetic coupling 3; The front end fixed seal connection of the casing 7 of the housing of the input of decelerator 2 and motor body 1 together; The head fixed seal connection of the column sealed cover 13 of the housing of the output of decelerator 2 and T shape together; The column sealed cover 13 of the inner chamber of the inner chamber of motor body 1, decelerator 2 and T shape has been formed the inner chamber of individual full-static sealing, and the output shaft 6 of rotor 5 links together with the power shaft of decelerator 2, is set with magnetic coupling driving wheel 14 on the output shaft 25 of decelerator 2; Front end at the decelerator 2 in the outside of the column sealed cover 13 of T shape is set with submerged bearing I 17; Column sealed cover 13 T shape is set with submerged bearing II 16 in the outside foremost, between submerged bearing I 17 and submerged bearing II 16, is provided with described load rotary body, is set with magnetic coupling driven pulley 15 at the load a rotating body.
Described magnetic coupling driving wheel 14 is to be fixedly installed on the output shaft 25 of decelerator 2 through key 26 and hold-down screw IV 27.
Rear end at the casing 7 of motor body 1 is set with rear end cap 9; On rear end cap 9, be fixedly connected with bonnet 10; The rear end of casing 7, rear end cap 9 and bonnet 10 are crimped on together through hold-down screw I 28; Be provided with O-ring seals III 20 in the rear end of casing 7 and the contact-making surface place of rear end cap 9, be provided with O-ring seals II 19, on bonnet 10, be respectively arranged with water-proof cable socket 11 and pouring orifice at the contact-making surface place of rear end cap 9 and bonnet 10; Water-proof cable socket 11 is connected with winding electric on the motor stator 4; Contact-making surface place at water-proof cable socket 11 and bonnet 10 is provided with O-ring seals I 18, and pouring orifice is provided with sealing gasket 24 and sealing cap 12, is provided with front end housing 8 at the front end of the casing 7 of motor body 1; Be fixed together in the housing rear end of front end housing 8 with decelerator 2; The housing rear end of the front end of casing 7, front end housing 8 and decelerator 2 links together through hold-down screw II 29, is provided with O-ring seals IV 21 at the front end of casing 7 and the contact-making surface place of front end housing 8, is provided with O-ring seals V 22 at the contact-making surface place of front end housing 8 and the housing rear end of decelerator 2; Junction at the column sealed cover of T shape 13 and the housing front end of decelerator 2 is provided with O-ring seals VI 23, and the column sealed cover 13 of T shape is that hold-down screw III 30 is fixedly connected with the housing front end of decelerator 2.
Casing 7, front end housing 8, rear end cap 9, bonnet 10, water-proof cable socket 11, sealing cap 12, seal closure 13 are static connection, and bonnet 10 pouring orifice places are sealed by sealing gasket 24 and sealing cap 12; Water-proof cable socket 11 cooperates between the contact-making surface with bonnet 10 and is sealed by O-ring seals I 18; Rear end cap 9 cooperates with bonnet 10 between the contact-making surface by 19 sealings of O-ring seals II; Casing 7 cooperates with rear end cap 9 between the contact-making surface by 20 sealings of O-ring seals III; Tighten up with hold-down screw I 28 between casing 7, rear end cap 9 and the bonnet 10; Casing 7 cooperates with front end housing 8 between the contact-making surface by 21 sealings of O-ring seals IV; Decelerator 2 housings cooperate with front end housing 8 between the contact-making surface by 22 sealings of O-ring seals V; Tighten up with hold-down screw II 29 between casing 7, front end housing 8 and the decelerator 2; Decelerator 2 cooperates with the column sealed cover 13 of T shape between the contact-making surface by 23 sealings of O-ring seals VI, tightens up with hold-down screw III 30 between the column sealed cover 13 of decelerator 2 and T shape, has constituted a complete sealed space like this.Motor stator 4, rotor 5, motor output shaft 6, speed reducer output shaft 25, magnetic coupling driving wheel 14 etc. are loaded in this airtight space.
When external power source passes through water-proof cable socket 11 after motor stator 4 power supplies; Rotor 5 rotations; Motor output shaft 6 drives decelerator 2 rotations that connect; Reducer output shaft 25 drives magnetic coupling driving wheel 14 rotations that connect, and rotates at magnetic force coupling lower magnetic force coupler driven pulley 15 thereupon, can drag the operation of load rotary body.The magnetic coupling driven pulley 15 of rotation is supported by submerged bearing II 16, submerged bearing I 17.Realized the design of full-static sealing, the slow-speed of revolution operation of submersible motor through said structure, there is not sliding friction in the little and whole sealing system of motor volume, need not frequent change, safeguards seal, has improved reliability, convenience that motor uses greatly.
The present invention has increased the deceleration link on motor, the output shaft of high-speed motor cooperates with reducer gear, realizes low speed output through speed reducer output shaft; Be designed with magnetic coupling, the driving wheel of magnetic coupling connects with speed reducer output shaft, and driven pulley connects with load, makes the rotating shaft drive load through the magnetic force coupling, rather than relies on traditional mechanical attachment structure.And between driving wheel and driven pulley, be designed with the standstill seal cover, realized the full-static sealing of submersible motor, overcome the shortcoming that the movable sealing structure submersible motor is arranged.
Claims (3)
1. full-static sealing low speed submersible motor; Comprise motor body (1), decelerator (2) and magnetic coupling (3); It is characterized in that; The front end fixed seal connection of the casing (7) of the housing of the input of decelerator (2) and motor body (1) together; The head fixed seal connection of the column sealed cover (13) of the housing of the output of decelerator (2) and T shape together; The column sealed cover (13) of the inner chamber of the inner chamber of motor body (1), decelerator (2) and T shape has been formed the inner chamber of individual full-static sealing, and the output shaft (6) of rotor (5) links together with the power shaft of decelerator (2), is set with magnetic coupling driving wheel (14) on the output shaft (25) of decelerator (2); Front end at the decelerator (2) in the outside of the column sealed cover (13) of T shape is set with submerged bearing I (17); Column sealed cover (13) T shape is set with submerged bearing II (16) in the outside foremost, between submerged bearing I (17) and submerged bearing II (16), is provided with described load rotary body, is set with magnetic coupling driven pulley (15) at the load a rotating body.
2. a kind of full-static sealing low speed submersible motor according to claim 1 is characterized in that, described magnetic coupling driving wheel (14) is to be fixedly installed on the output shaft (25) of decelerator (2) through key (26) and hold-down screw IV (27).
3. a kind of full-static sealing low speed submersible motor according to claim 1; It is characterized in that; Rear end at the casing (7) of motor body (1) is set with rear end cap (9); On rear end cap (9), be fixedly connected with bonnet (10); The rear end of casing (7), rear end cap (9) and bonnet (10) are crimped on together through hold-down screw I (28); Be provided with O-ring seals III (20) in the rear end of casing (7) and the contact-making surface place of rear end cap (9); Contact-making surface place at rear end cap (9) and bonnet (10) is provided with O-ring seals II (19); On bonnet (10), be respectively arranged with water-proof cable socket (11) and pouring orifice, water-proof cable socket (11) is connected with winding electric on the motor stator (4), is provided with O-ring seals I (18) at the contact-making surface place of water-proof cable socket (11) and bonnet (10); Pouring orifice is provided with sealing gasket (24) and sealing cap (12); Front end at the casing (7) of motor body (1) is provided with front end housing (8), is fixed together in the housing rear end of front end housing (8) with decelerator (2), and the housing rear end of the front end of casing (7), front end housing (8) and decelerator (2) links together through hold-down screw II (29); Be provided with O-ring seals IV (21) at the front end of casing (7) and the contact-making surface place of front end housing (8); Contact-making surface place in the housing rear end of front end housing (8) and decelerator (2) is provided with O-ring seals V (22), is provided with O-ring seals VI (23) in the junction of the column sealed cover (13) of T shape and the housing front end of decelerator (2), and the column sealed cover (13) of T shape is that hold-down screw III (30) is fixedly connected with the housing front end of decelerator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110441662 CN102437679B (en) | 2011-12-26 | 2011-12-26 | All-statically sealed low-speed submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110441662 CN102437679B (en) | 2011-12-26 | 2011-12-26 | All-statically sealed low-speed submersible motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102437679A true CN102437679A (en) | 2012-05-02 |
| CN102437679B CN102437679B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110441662 Active CN102437679B (en) | 2011-12-26 | 2011-12-26 | All-statically sealed low-speed submersible motor |
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| CN (1) | CN102437679B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067068A (en) * | 2018-08-27 | 2018-12-21 | 中船重工电机科技股份有限公司 | A kind of compression-resistant structure of deep water propulsion electric machine |
| CN117118130A (en) * | 2023-08-16 | 2023-11-24 | 伊洛姆电机(江苏)有限公司 | Full static seal low-speed submersible motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069150A (en) * | 1991-07-30 | 1993-02-17 | 马渊马达株式会社 | DC micromotor |
| CN2292171Y (en) * | 1997-03-06 | 1998-09-23 | 深圳众大实业股份有限公司 | Solar energy photovolaic water pump |
| JP2000045989A (en) * | 1998-07-28 | 2000-02-15 | Oken Seiko Kk | Impeller pump |
| CN1865693A (en) * | 2006-06-22 | 2006-11-22 | 中国石化集团胜利石油管理局钻井工艺研究院 | Underwell slurry generator |
| CN201406023Y (en) * | 2009-04-28 | 2010-02-17 | 中国船舶重工集团公司第七一二研究所 | Propulsion device with high power and density |
| CN202405933U (en) * | 2011-12-26 | 2012-08-29 | 中船重工电机科技股份有限公司 | Full-static seal low-speed submersible motor |
-
2011
- 2011-12-26 CN CN 201110441662 patent/CN102437679B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069150A (en) * | 1991-07-30 | 1993-02-17 | 马渊马达株式会社 | DC micromotor |
| CN2292171Y (en) * | 1997-03-06 | 1998-09-23 | 深圳众大实业股份有限公司 | Solar energy photovolaic water pump |
| JP2000045989A (en) * | 1998-07-28 | 2000-02-15 | Oken Seiko Kk | Impeller pump |
| CN1865693A (en) * | 2006-06-22 | 2006-11-22 | 中国石化集团胜利石油管理局钻井工艺研究院 | Underwell slurry generator |
| CN201406023Y (en) * | 2009-04-28 | 2010-02-17 | 中国船舶重工集团公司第七一二研究所 | Propulsion device with high power and density |
| CN202405933U (en) * | 2011-12-26 | 2012-08-29 | 中船重工电机科技股份有限公司 | Full-static seal low-speed submersible motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067068A (en) * | 2018-08-27 | 2018-12-21 | 中船重工电机科技股份有限公司 | A kind of compression-resistant structure of deep water propulsion electric machine |
| CN109067068B (en) * | 2018-08-27 | 2023-09-01 | 中船重工电机科技股份有限公司 | Compression-resistant structure of deepwater propulsion motor |
| CN117118130A (en) * | 2023-08-16 | 2023-11-24 | 伊洛姆电机(江苏)有限公司 | Full static seal low-speed submersible motor |
| CN117118130B (en) * | 2023-08-16 | 2024-09-03 | 伊洛姆电机(江苏)有限公司 | Full static seal low-speed submersible motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102437679B (en) | 2013-04-17 |
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