CN103107633A - Oil-filled submersible motor - Google Patents
Oil-filled submersible motor Download PDFInfo
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- CN103107633A CN103107633A CN2013100711973A CN201310071197A CN103107633A CN 103107633 A CN103107633 A CN 103107633A CN 2013100711973 A CN2013100711973 A CN 2013100711973A CN 201310071197 A CN201310071197 A CN 201310071197A CN 103107633 A CN103107633 A CN 103107633A
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- bearing
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Abstract
The invention relates to an oil-filled submersible motor, belonging to the field of a submersible motor, and aiming at solving the problems that an existing oil-filled submersible motor does not have effective cooling and depressurization measures, so that the pressure and the temperature in the motor continuously rise during work, the possibility of damage or explosion of the motor is high, and the service life of the motor is short. The oil-filled submersible motor comprises an upper motor cover, an upper end cover, a lower motor cover, a rotating shaft, a motor cylinder, an upper baffle and an air bag, wherein the upper end of the motor cylinder is fixedly connected with the upper end cover in a sealing way; the upper end of the lower motor cover is fixedly connected with the lower end of the motor cylinder in a sealing way; the upper baffle is arranged above the upper end cover and is communicated with the upper end cover by a communicating pipe; the two ends of the communicating pipe are respectively and fixedly connected with the upper baffle and the upper end cover, and the connecting parts are sealed; the upper baffle is provided with an air bag hole; an opening at the upper end of the air bag hole is covered by the air bag, and the air bag is fixedly connected with the upper baffle in a sealing way; and the upper motor cover is covered at the upper end of the upper baffle and is fixedly connected with the upper baffle in a sealing way. The oil-filled submersible motor is used for providing rotating power underwater.
Description
Technical field
The present invention relates to a kind of oil-filled submersible motor, belong to the submersible motor field.
Background technology
submersible motor is as the term suggests be the motor that uses under water, general and various types of immersible pumps support the use, be integrally formed with pump, slip into for a long time in the sewage of various water quality and move, abominable operational environment, determined that its hermetically-sealed construction and conventional motor have larger different, mainly be divided into filling type, Water, four kinds of dry type and protected types, existing oil-filled submersible motor is to be filled with fluid oil at motor internal, can effectively prevent the local overheating of motor coil, but due to the oil-filled submersible motor inner sealing, when machine operation, due to effectively heat radiation and step-down measure without comparison, motor temperature raises, motor internal pressure constantly increases, easily cause motor to damage or produce blast, potential safety hazard is larger, the life-span of motor is shorter.
Summary of the invention
The present invention is for solving existing oil-filled submersible motor due to not effectively cooling and step-down measure, and the motor internal pressure and temperature constantly raises at work, easily causes motor to damage or blast, and the shorter problem of electrical machinery life.
provide a kind of oil-filled submersible motor for solving the problems of the technologies described above, described motor comprises the motor upper cover, upper end cover, the motor lower cover, rotating shaft, rotor, motor stator and motor cylinder, described motor stator, rotor and rotating shaft all are arranged in the motor cylinder, the upper end of motor cylinder and upper end cover fixed seal connection, the motor upper cover is arranged on the top of upper end cover, the lower end of described upper end cover is fixedly installed clutch shaft bearing, upper end and the clutch shaft bearing of rotating shaft are rotationally connected, the lower end fixed seal connection of the upper end of described motor lower cover and motor cylinder, cover under motor and have shaft hole, the lower end of rotating shaft is through on shaft hole, in rotating shaft, sealing is provided with water seal, hydraulic gland in rotating shaft and the upper surface of the lower end of water seal and motor lower cover be tightly connected, described motor also comprises overhead gage and air bag, described overhead gage be arranged on the top of upper end cover and both between be communicated with by siphunculus, the two ends of siphunculus are fixedly connected with upper end cover with overhead gage respectively and the junction sealing, have pneumatopyle on described overhead gage, air bag cover pneumatopyle upper end open and with the overhead gage fixed seal connection, described motor upper cover covers in the upper end of overhead gage and both fixed seal connections.
The present invention compared with prior art has following beneficial effect: the present invention is provided with air bag in the upper end of oil-filled submersible motor, can effectively realize alleviating by the oily extruding gasbag that motor internal flows the effect of motor internal pressure, simultaneously, between motor upper cover and upper end cover, overhead gage is set, make between motor upper cover and upper end cover and keep certain interval, current can therefrom be flow through, increased the convection current contact area of motor and water, effectively accelerated the heat radiation of motor, eliminate the potential safety hazard of oil-filled submersible motor, increased the useful life of motor.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
embodiment one: present embodiment is described in conjunction with Fig. 1, the described a kind of oil-filled submersible motor of present embodiment, described motor comprises motor upper cover 1, upper end cover 3, motor lower cover 15, rotating shaft 8, rotor 10, motor stator 11 and motor cylinder 9, described motor stator 11, rotor 10 and rotating shaft 8 all are arranged in motor cylinder 9, the upper end of motor cylinder 9 and upper end cover 3 fixed seal connections, motor upper cover 1 is arranged on the top of upper end cover 3, the lower end of described upper end cover 3 is fixedly installed clutch shaft bearing 4, the upper end of rotating shaft 8 and clutch shaft bearing 4 are rotationally connected, the lower end fixed seal connection of the upper end of described motor lower cover 15 and motor cylinder 9, have shaft hole on motor lower cover 15, the lower end of rotating shaft 8 is through on shaft hole, in rotating shaft 8, sealing is provided with water seal 13, water seal 13 is enclosed within rotating shaft 8 and the upper surface of the lower end of water seal 13 and motor lower cover 15 is tightly connected, described motor also comprises overhead gage 2 and air bag 7, described overhead gage 2 be arranged on the top of upper end cover 3 and both between be communicated with by siphunculus 5, the two ends of siphunculus 5 are fixedly connected with upper end cover 3 with overhead gage 2 respectively and the junction sealing, have pneumatopyle 18 on described overhead gage 2, air bag 7 cover pneumatopyle 18 upper end open and with overhead gage 2 fixed seal connections, described motor upper cover 1 covers in the upper end of overhead gage 2 and both fixed seal connections.
Embodiment two: present embodiment is described in conjunction with Fig. 1, the described motor stator 11 of present embodiment is fixed on the inwall of motor cylinder 9, rotor 10 is arranged on the inside of motor stator 11, rotating shaft 8 is passed rotor 10 and is fixedly connected with rotor 10, and other compositions and annexation are identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 1, be provided with threading hole 17 on the described motor upper cover 1 of present embodiment, motor wire passes siphunculus 5 and threading hole 17 and threading hole 17 places sealing, described siphunculus 5 is a plurality of, so arrange, under the prerequisite that guarantees the motor inner wall sealing, motor wire is passed from the motor upper end, other compositions and annexation are identical with embodiment one.
embodiment four: present embodiment is described in conjunction with Fig. 1, all seal and motor upper cover 1 with sealing ring between the described motor upper cover 1 of present embodiment and overhead gage 2 and between upper end cover 3 and motor cylinder 9, be provided with a plurality of screwed holes on upper end cover 3 and motor cylinder 9, a plurality of the first screws 6 pass respectively motor upper cover 1 successively, a plurality of screw holes on upper end cover 3 and motor cylinder 9 are fixed together the three, also have a plurality of location holes on described motor cylinder 9 and motor lower cover 15, a plurality of the second screws 21 are through on a plurality of location holes of motor cylinder 9 and motor lower cover 15 motor cylinder 9 and motor lower cover 15 are fixed together, so arrange, make the motor effective sealing, guaranteed simultaneously motor upper cover 1, overhead gage 2, upper end cover 3, the strong fix of motor cylinder 9 and motor lower cover 15, other compositions and annexation are identical with embodiment one.
Embodiment five: present embodiment is described in conjunction with Fig. 1; be provided with air bag protective cover 22 on the described motor upper cover 1 upper end inwall of present embodiment; air bag 7 is arranged in air bag protective cover 22; so arrange; effectively protected air bag 7; prevent that air bag 7 is damaged, other compositions and annexation are identical with embodiment one.
Embodiment six: present embodiment is described in conjunction with Fig. 1; the described air bag protective cover 22 of present embodiment is fixed on the upper end inwall of motor upper cover 1 for cylindrical shape and its upper end; the lower end of air bag protective cover 22 withstands on overhead gage 2; have a plurality of oil throughs 23 on air bag protective cover 22; so arrange; make the action effect of air bag protective cover 22 best, other compositions and annexation are identical with embodiment five.
embodiment seven: present embodiment is described in conjunction with Fig. 1, the lower end of the described upper end cover 3 of present embodiment also is fixedly installed bearing pedestal 24, bearing pedestal 24 is cylindrical shape, bearing 4 is arranged in bearing pedestal 24 and the outer shroud of bearing 4 is fixed on the inwall of bearing pedestal 24, the upper end of described motor lower cover 15 is fixedly installed the second bearing pedestal 25, the second bearing pedestal 25 is also cylindrical shape, water seal 13 is arranged in the second bearing pedestal 25, the top of water seal 13 is provided with the second bearing 12, rotating shaft 8 and the second bearing 12 are rotationally connected, the second bearing 12 also is arranged in the second bearing pedestal 25 and the outer shroud of the second bearing 12 is fixedly connected with the inwall of the second bearing pedestal 25, so arrange, bearing 4 is accurately located, make the more firm of rotating shaft 8 location, other compositions and annexation are identical with embodiment five.
Embodiment eight: present embodiment is described in conjunction with Fig. 1; also be fixedly installed screw protective sleeve 26 between the described overhead gage 2 of present embodiment and upper end cover 3; screw protective sleeve 26 is screwed pipe; a screw protective sleeve 26 all has been threaded on each first screw 6; so arrange; the first screw 6 is effectively protected, prevents that external force from causing its distortion or damage, other compositions and annexation are identical with embodiment four.
Operation principle:
Controlling oil-filled submersible motor makes it enter operating state, rotation along with motor, the temperature and pressure of motor internal constantly raises, oily extruding gasbag 7 in motor upper cover 1 dwindles air bag 7, thereby reduced the pressure of motor internal, realize reducing the function of motor internal pressure, simultaneously, the overhead gage 2 that arranges between motor upper cover 1 and upper end cover 3, make between motor upper cover 1 and upper end cover 3 and keep certain interval, current can therefrom be flow through, increased the convection current contact area of motor and water, thereby effectively accelerated the heat loss through convection of motor.
Claims (8)
1. oil-filled submersible motor, described motor comprises motor upper cover (1), upper end cover (3), motor lower cover (15) rotating shaft (8), rotor (10), motor stator (11) and motor cylinder (9), described motor stator (11), rotor (10) and rotating shaft (8) all are arranged in motor cylinder (9), the upper end of motor cylinder (9) and upper end cover (3) fixed seal connection, motor upper cover (1) is arranged on the top of upper end cover (3), the lower end of described upper end cover (3) is fixedly installed clutch shaft bearing (4), the upper end of rotating shaft (8) and clutch shaft bearing (4) are rotationally connected, the lower end fixed seal connection of the upper end of described motor lower cover (15) and motor cylinder (9), the motor lower cover has shaft hole on (15), the lower end of rotating shaft (8) is through on shaft hole, the upper sealing of rotating shaft (8) is provided with water seal (13), water seal (13) is enclosed within the upper and lower end of water seal (13) of rotating shaft (8) and the upper surface of motor lower cover (15) is tightly connected, it is characterized in that: described motor also comprises overhead gage (2) and air bag (7), described overhead gage (2) be arranged on the top of upper end cover (3) and both between be communicated with by siphunculus (5), the two ends of siphunculus (5) are fixedly connected with upper end cover (3) with overhead gage (2) respectively and the junction sealing, have pneumatopyle (18) on described overhead gage (2), air bag (7) cover pneumatopyle (18) upper end open and with overhead gage (2) fixed seal connection, described motor upper cover (1) covers in the upper end of overhead gage (2) and both fixed seal connections.
2. a kind of oil-filled submersible motor according to claim 1, it is characterized in that: described motor stator (11) is fixed on the inwall of motor cylinder (9), rotor (10) is arranged on the inside of motor stator (11), and rotating shaft (8) is passed rotor (10) and is fixedly connected with rotor (10).
3. a kind of oil-filled submersible motor according to claim 1, it is characterized in that: be provided with threading hole (17) on described motor upper cover (1), motor wire passes siphunculus (5) and threading hole (17) and threading hole (17) and locates sealing, and described siphunculus (5) is a plurality of.
4. a kind of oil-filled submersible motor according to claim 1, it is characterized in that: all seal and motor upper cover (1) with sealing ring between described motor upper cover (1) and overhead gage (2) and between upper end cover (3) and motor cylinder (9), be provided with a plurality of screwed holes on upper end cover (3) and motor cylinder (9), a plurality of the first screws (6) pass respectively motor upper cover (1) successively, a plurality of screw holes on upper end cover (3) and motor cylinder (9) are fixed together the three, also have a plurality of location holes on described motor cylinder (9) and motor lower cover (15), a plurality of the second screws (21) are through on a plurality of location holes of motor cylinder (9) and motor lower cover (15) motor cylinder (9) and motor lower cover (15) are fixed together.
5. a kind of oil-filled submersible motor according to claim 1 is characterized in that: be provided with air bag protective cover (22) on the inwall of described motor upper cover (1) upper end, air bag (7) is arranged in air bag protective cover (22).
6. a kind of oil-filled submersible motor according to claim 5; it is characterized in that: air bag protective cover (22) is fixed on the upper end inwall of motor upper cover (1) for cylindrical shape and its upper end; the lower end of air bag protective cover (22) withstands on overhead gage (2), has a plurality of oil throughs (23) on air bag protective cover (22).
7. a kind of oil-filled submersible motor according to claim 1, it is characterized in that: the lower end of described upper end cover (3) also is fixedly installed bearing pedestal (24), bearing pedestal (24) is cylindrical shape, bearing (4) is arranged in bearing pedestal (24) and the outer shroud of bearing (4) is fixed on the inwall of bearing pedestal (24), the upper end of described motor lower cover (15) is fixedly installed the second bearing pedestal (25), the second bearing pedestal (25) is also cylindrical shape, water seal (13) is arranged in the second bearing pedestal (25), the top of water seal (13) is provided with the second bearing (12), rotating shaft (8) is rotationally connected with the second bearing (12), the second bearing (12) also is arranged in the second bearing pedestal (25) and the outer shroud of the second bearing (12) is fixedly connected with the inwall of the second bearing pedestal (25).
8. a kind of oil-filled submersible motor according to claim 4; it is characterized in that: also be fixedly installed screw protective sleeve (26) between described overhead gage (2) and upper end cover (3); screw protective sleeve (26) is screwed pipe, and a screw protective sleeve (26) all has been threaded on each first screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100711973A CN103107633A (en) | 2013-03-06 | 2013-03-06 | Oil-filled submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100711973A CN103107633A (en) | 2013-03-06 | 2013-03-06 | Oil-filled submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103107633A true CN103107633A (en) | 2013-05-15 |
Family
ID=48315270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100711973A Pending CN103107633A (en) | 2013-03-06 | 2013-03-06 | Oil-filled submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103107633A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041718A (en) * | 2014-09-15 | 2015-11-11 | 邢宇 | Submersible pump with pressure holding device capable of adjusting oil storage chamber volume of the submersible pump |
| CN105356673A (en) * | 2015-12-24 | 2016-02-24 | 山东省滨州市火努鸟新能源科技有限公司 | Submersible motor pressure balance device |
| CN108306440A (en) * | 2018-03-26 | 2018-07-20 | 合肥恒大江海泵业股份有限公司 | A kind of sealing structure of shaft end and encapsulating method of dry-type submersible motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204466Y (en) * | 1994-06-30 | 1995-08-02 | 中国科学院沈阳自动化研究所 | Internal oil-filled permanent D.C motor working in deep water |
| CN2934222Y (en) * | 2005-11-01 | 2007-08-15 | 吴为国 | Magnetic power submerging motor |
| US7367400B1 (en) * | 2004-09-13 | 2008-05-06 | Wood Group Esp, Inc. | Motor protector and method for chemical protection of same |
| CN201307799Y (en) * | 2008-12-04 | 2009-09-09 | 江门市瑞荣泵业有限公司 | A submersible sewage pump motor |
| CN201956811U (en) * | 2011-02-10 | 2011-08-31 | 合肥三益江海泵业有限公司 | Submersible motor with upper bearing cooling mechanism |
| CN102570687A (en) * | 2010-12-31 | 2012-07-11 | 中国海洋大学 | Corrugated pipe compensation sealing type deepwater motor |
-
2013
- 2013-03-06 CN CN2013100711973A patent/CN103107633A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204466Y (en) * | 1994-06-30 | 1995-08-02 | 中国科学院沈阳自动化研究所 | Internal oil-filled permanent D.C motor working in deep water |
| US7367400B1 (en) * | 2004-09-13 | 2008-05-06 | Wood Group Esp, Inc. | Motor protector and method for chemical protection of same |
| CN2934222Y (en) * | 2005-11-01 | 2007-08-15 | 吴为国 | Magnetic power submerging motor |
| CN201307799Y (en) * | 2008-12-04 | 2009-09-09 | 江门市瑞荣泵业有限公司 | A submersible sewage pump motor |
| CN102570687A (en) * | 2010-12-31 | 2012-07-11 | 中国海洋大学 | Corrugated pipe compensation sealing type deepwater motor |
| CN201956811U (en) * | 2011-02-10 | 2011-08-31 | 合肥三益江海泵业有限公司 | Submersible motor with upper bearing cooling mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041718A (en) * | 2014-09-15 | 2015-11-11 | 邢宇 | Submersible pump with pressure holding device capable of adjusting oil storage chamber volume of the submersible pump |
| CN105356673A (en) * | 2015-12-24 | 2016-02-24 | 山东省滨州市火努鸟新能源科技有限公司 | Submersible motor pressure balance device |
| CN108306440A (en) * | 2018-03-26 | 2018-07-20 | 合肥恒大江海泵业股份有限公司 | A kind of sealing structure of shaft end and encapsulating method of dry-type submersible motor |
| CN108306440B (en) * | 2018-03-26 | 2024-07-02 | 合肥恒大江海泵业股份有限公司 | Shaft end sealing structure and sealing method of dry submersible motor |
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| PB01 | Publication | ||
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130515 |