CN106533018A - Sectional protective structure of nuclear power DC motor - Google Patents
Sectional protective structure of nuclear power DC motor Download PDFInfo
- Publication number
- CN106533018A CN106533018A CN201610946481.4A CN201610946481A CN106533018A CN 106533018 A CN106533018 A CN 106533018A CN 201610946481 A CN201610946481 A CN 201610946481A CN 106533018 A CN106533018 A CN 106533018A
- Authority
- CN
- China
- Prior art keywords
- direct current
- current generator
- nuclear power
- core packet
- stagewise
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004223 radioprotective effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a sectional protective structure of a nuclear power DC motor. The sectional protective structure of the nuclear power DC motor comprises a flange base, a core segment security shell, two protective covers, an end cover and a plurality of seal rings, wherein four penetrating motor outlet holes are formed in the flange base; the core segment security shell is of a hollow cylindrical structure, one end of the core segment security shell is fixedly connected with the inner side of the flange base, and two penetrating radial windows are formed in the side surface of the other end, opposite to the flange base, of the core segment security shell; the shapes of the two protective covers are matched with those of the two radial windows; the end cover is of a disc structure, the inner side of the end cover is fixedly connected with the other end of the core segment security shell, and an annular bump is also arranged on the inner side surface of the end cover; and the plurality of seal rings are arranged at the connected part of the core segment security shell and the end cover and the connected part of the flange base and the core segment security shell. The sectional protective structure is a three-sectional structure; the security shell is adopted by a core part as a rack, so that the material waste is reduced; the radial windows are formed in a brush carrier part, so that online position adjustment of a brush carrier is facilitated; and meanwhile, the sectional protective structure can work underwater and in a radiation environment.
Description
Technical field
The present invention relates to the technical field of motor housing, more particularly to a kind of nuclear power direct current generator stagewise safeguard structure.
Background technology
In the case where alternating current power supply has a power failure, alternating current generator cannot run, and can only be answered by battery-driven direct current generator
It is anxious to run, therefore, alternating current generator cannot replace the work of direct current generator so far, in the majority with power plant the fact that current, especially
Nuclear power plant.The difference of common DC motor and nuclear power direct current generator is that the latter needs to install containment outside motor additional, is prevented
Motor is affected by radioprotective, while motor also needs in radiation occasion one meter deep being operated under water, it is therefore desirable to
Higher degree of protection.Install that a containment is not so difficult outside common direct current generator additional, but installing additional for containment certainly will cause
The heat conduction of machine winding is difficult, while direct current generator organic block itself, it is also one kind waste to refill one layer of containment itself,
Therefore need to design a kind of sectionalized casing, it is desirable to which shell had both had the performance of radioprotective and had good sealing property, reached
To higher degree of protection.Additionally, during reality processing, as the inside of direct current generator needs to install brush holder and conversion
Device, therefore need to be adjusted fixation to the position of brush holder during delivery test, enable carbon brush stably to be combined work with diverter
Make, but due to the setting of containment, it is impossible to realize the adjustment when dispatching from the factory to brush holder.
The content of the invention
For the problem of above-mentioned generation, it is an object of the invention to provide it is a kind of it is brush holder being adjusted, have
The nuclear power direct current generator stagewise safeguard structure of good radiation resistance and sealing property.
To achieve these goals, the technical scheme taken of the present invention is：
A kind of nuclear power direct current generator stagewise safeguard structure, wherein, including：One flange seat；One core packet containment, it is described
Core packet containment is hollow cylinder-like structure, and one end of the core packet containment is fixed with the inner side of the flange seat and connected
Connect, the core packet containment offers the two radial direction windows for running through relative to the side of the opposite side of the flange seat, described
Core packet containment is used for the iron core for arranging direct current generator；Two protective covers, radial direction window described in the shape of protective cover described in two and two
The mating shapes of mouth, protective cover described in two are fixedly connected with the core packet shell；One end cap, the end cap are discoid knot
Structure, the inner side of the end cap are fixedly connected with the other end of the core packet containment, are also had on the medial surface of the end cap
One annular protrusion；Some sealing rings, the junction of the core packet containment and the end cap, the flange seat and the iron core
The junction of section containment is provided with some sealing rings.
Above-mentioned nuclear power direct current generator stagewise safeguard structure, wherein, radial direction window described in two is pacified around the core packet
The axis centre of full shell is symmetrical, and radial direction window described in two can facilitate the brush holder on line and adjustment position of the direct current generator.
Above-mentioned nuclear power direct current generator stagewise safeguard structure, wherein, protective cover described in two is logical with the core packet shell
Cross some screws to be fixedly connected, some screws and pad is additionally provided between protective cover described in two.
Above-mentioned nuclear power direct current generator stagewise safeguard structure, wherein, also set respectively on the medial surface of protective cover described in two
A rectangular seal pad is equipped with, the rectangular seal pad is located at the inner side of some screws.
Above-mentioned nuclear power direct current generator stagewise safeguard structure, wherein, the centre of the inner face of the end cap and the method
The centre of the inner face of blue seat offers a bearing chamber, and the two ends of the motor shaft of the direct current generator are separately positioned on described in two
The inside of bearing chamber, is also respectively provided with bearing, bearing energy described in two between bearing chamber described in the two ends of the motor shaft and two
Enough weaken when the motor shaft rotates and the frictional force described in two between bearing chamber.
Above-mentioned nuclear power direct current generator stagewise safeguard structure, wherein, the annular protrusion of the end cap is butted on described
The brush holder of direct current generator, the annular protrusion are used to aid in fixing the brush holder of the direct current generator.
Above-mentioned nuclear power direct current generator stagewise safeguard structure, wherein, the core packet containment adopts cast iron or cast aluminium
Or steel plate material, with radiation-resistant effect.
Above-mentioned nuclear power direct current generator stagewise safeguard structure, wherein, the sealing ring and the rectangular seal pad are adopted
With for silicone rubber material, by some sealing rings and protective cover described in two the rectangular seal pad sealing reaching protection
The standard of grade IP67.
Above-mentioned nuclear power direct current generator stagewise safeguard structure, wherein, it is additionally provided with the middle part of the core packet containment
One suspension ring.
As a result of above-mentioned technology, the good effect for being allowed to have compared with prior art is the present invention：
(1) present invention reduces material as frame using containment itself in core portion by three stage structure
Waste, and radial direction window is offered in brush holder part, facilitate the brush holder on line and adjustment position of direct current generator, and there is sight
The effect of measured motor grade of spark.
(2) present invention is by being set by end cap and the Seal Design of protective cover, and the sealing of flange seat in brush holder part
Meter, has reached the degree of protection of IP67, has solved the problems, such as that motor is worked under water.
(3) present invention adopts the cast iron or cast aluminium or steel plate of more than 10 millimeters thickness as enclosure material, with good
Radiation resistance, can avoid motor internal from being caused aging by radiation effect.
Description of the drawings
Fig. 1 is the phantom of the nuclear power direct current generator stagewise safeguard structure of the present invention.
Fig. 2 is the phantom of the flange seat of the nuclear power direct current generator stagewise safeguard structure of the present invention.
Fig. 3 is the protective cover schematic diagram of the nuclear power direct current generator stagewise safeguard structure of the present invention.
Fig. 4 is the phantom of the core packet containment of the nuclear power direct current generator stagewise safeguard structure of the present invention.
Fig. 5 is the end cap sectional view of the nuclear power direct current generator stagewise safeguard structure of the present invention.
In accompanying drawing：1st, flange seat；11st, motor outlet wire hole；12nd, bearing chamber；13rd, O-shaped groove；2nd, core packet containment；21st, footpath
To window；22nd, suspension ring；3rd, end cap；31st, annular protrusion；32nd, bearing chamber；33rd, O-shaped groove；4th, sealing ring；5th, annular knurl；51st, iron core；
52nd, motor shaft；53rd, brush holder；6th, protective cover；61st, screw；62nd, pad.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
Fig. 1 is the phantom of the nuclear power direct current generator stagewise safeguard structure of the present invention, and Fig. 2 is the nuclear power of the present invention
The phantom of the flange seat of direct current generator stagewise safeguard structure, refers to shown in Fig. 1, Fig. 2, shows a kind of preferable reality
The nuclear power direct current generator stagewise safeguard structure of example is applied, is included：Flange seat 1, has four motor outlet wires for running through on flange seat 1
Hole 11, also has connection ring, two O-shaped grooves 13 is offered on the outside of connection ring on the medial surface of flange seat 1.Outside due to flange seat
Side is fixedly connected with actuator, and the circuit of direct current generator is picked out from motor outlet wire hole 11, is directly arranged and actuator phase
Connect, therefore open up the sealing property that motor outlet wire hole 11 does not interfere with nuclear power direct current generator stagewise safeguard structure.
Fig. 4 is the phantom of the core packet containment of the nuclear power direct current generator stagewise safeguard structure of the present invention, please
Referring to shown in Fig. 1, Fig. 4.
Additionally, used as in preferred embodiment, nuclear power direct current generator stagewise safeguard structure also includes：Core packet containment
2, core packet containment 2 is hollow cylinder-like structure, and one end of core packet containment 2 is fixedly connected with the inner side of flange seat 1,
Core packet containment 2 offers the two radial direction windows 21 for running through, core packet containment relative to the side of the opposite side of flange seat 1
2 are used to arrange the iron core 51 of direct current generator.Using core packet containment 2 directly as direct current generator pedestal, reducing need not
The waste of material wanted, and the weight of direct current generator is reduced, while reducing the Jacket thickness to inner body, make unidirectional current
Machine being capable of quick heat radiating.
Fig. 3 is the protective cover schematic diagram of the nuclear power direct current generator stagewise safeguard structure of the present invention, refers to Fig. 1, Fig. 3 institute
Show.
In addition, used as in preferred embodiment, nuclear power direct current generator stagewise safeguard structure also includes：Two protective covers 6, two
The mating shapes of the shape of protective cover 6 and two radial direction windows 21, two protective covers 6 are the rectangle of corner chamfering, two protective covers 6
Also with the radian matched with core packet containment 2, two protective covers 6 are fixedly connected with the side of core packet shell 2, two protection
Cover 6 is covered each by two radial direction windows 21.
Fig. 5 is the end cap sectional view of the nuclear power direct current generator stagewise safeguard structure of the present invention, refers to Fig. 1, Fig. 5 institute
Show.
Further, in as preferred embodiment, continuing with shown in Figure 1, nuclear power direct current generator stagewise safeguard structure
Also include：End cap 3, end cap 3 are disc-shaped structure, and the inner side of end cap 3 is fixedly connected with the other end of core packet containment 2, is held
Also there is on the medial surface of lid 3 annular protrusion 31, end cap is additionally provided with two O-shaped grooves 33 with the junction of core packet containment 2.
Further, used as in preferred embodiment, nuclear power direct current generator stagewise safeguard structure also includes：Some sealing rings 4,
Core packet containment 2 is provided with some sealing rings with the junction of the junction, flange seat 1 and core packet containment 2 of end cap 3
4, some sealing rings 4 are separately positioned in two O-shaped grooves 13 and two O-shaped grooves 33.During some sealing rings 4 are used to prevent water and air
Dust enters the internal influence direct current generator of core packet containment 2 and works, and has stop external radiation, it is to avoid motor internal
By the problem of radiative aging.
Further, in as preferred embodiment, axis centre pair of the two radial direction windows 21 around core packet containment 2
Claim, two radial direction windows 21 can facilitate 53 on line of brush holder and adjustment position of direct current generator.
Further, in as preferred embodiment, two protective covers 6 are fixed by some screws 61 with core packet shell 2
Connection, is additionally provided with pad 62 between some screws 61 and two protective covers 6.
Further, in as preferred embodiment, on the medial surface of two protective covers 6, it is also respectively provided with rectangular seal pad
(not shown), rectangular seal pad (not shown) are located at the inner side of some screws 61, therefore rectangular seal pad is (in figure not
Illustrate) effect of sealing can be effectively played, after being adjusted to brush holder 53 by two radial direction windows 21, with two protective cover 6 pairs
Two radial openings 21 are sealed, and prevent the impurity such as dust and water from entering motor internal.
Additionally, used as in preferred embodiment, the centre of the inner face of end cap 3 offers bearing chamber 32, direct current generator
One end of motor shaft 52 is arranged on the inside of bearing chamber 32, is additionally provided with bearing between the two ends of motor shaft 52 and bearing chamber 32,
Bearing can weaken frictional force when motor shaft 52 rotates and between bearing chamber 32.
In addition, used as in preferred embodiment, the centre of the inner face of flange seat 1 offers bearing chamber 12, direct current generator
The other end of motor shaft 52 be arranged on the inside of bearing chamber 12, also set up between the other end end of motor shaft 52 and bearing chamber 12
There is bearing, bearing can weaken frictional force when motor shaft 52 rotates and between bearing chamber 12.
Further, as in preferred embodiment, the bearing chamber 12 of the bearing chamber 32 and flange seat 1 of end cap 3 is faced.
Preferred embodiments of the present invention are the foregoing is only, embodiments of the present invention and protection model is not thereby limited
Enclose.
The present invention on the basis of the above also have mode is implemented as follows：
In further embodiment of the present invention, continuing with shown in Figure 1, the annular protrusion 31 of end cap 3 is butted on unidirectional current
The brush holder 53 of machine, annular protrusion 31 are used to aid in fixing the brush holder 53 of direct current generator.
In further embodiment of the present invention, the middle part of the motor shaft 52 of direct current generator offers annular knurl 5.
In further embodiment of the present invention, core packet containment 2 adopts cast iron or cast aluminium or steel plate material, with anti-spoke
The effect penetrated, enables direct current generator steady operation in the environment of high radiation.
In further embodiment of the present invention, core packet containment 2 arranges bolt hole diametrically and does not punch, therefore
Overall sealing property is not interfered with.
In further embodiment of the present invention, sealing ring 4 and rectangular seal pad (not shown) are adopted as silicone rubber
Material, by some sealing rings 4 and the sealing of two rectangular seal pad (not shown)s to reach the standard of degree of protection IP67, makes
Motor being capable of steady operation under water.
In further embodiment of the present invention, the middle part of core packet containment 2 is additionally provided with suspension ring 22, and suspension ring 22 are used for side
Just the lifting of direct current generator.
Preferred embodiments of the present invention are the foregoing is only, embodiments of the present invention and protection model is not thereby limited
Enclose, to those skilled in the art, should can appreciate that done by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent and obvious change, should be included in protection scope of the present invention.
Claims (9)
1. a kind of nuclear power direct current generator stagewise safeguard structure, it is characterised in that include：
One flange seat；
One core packet containment, the core packet containment are hollow cylinder-like structure, one end of the core packet containment
Be fixedly connected on the inside of the flange seat, the core packet containment is opened up relative to the side of the opposite side of the flange seat
There are the two radial direction windows for running through, the core packet containment is used for the iron core for arranging direct current generator；
Two protective covers, the mating shapes of radial direction window described in the shape of protective cover described in two and two, protective cover described in two and institute
State core packet shell to be fixedly connected；
One end cap, the end cap is disc-shaped structure, and the other end of the inner side of the end cap and the core packet containment is fixed
Connection, also has an annular protrusion on the medial surface of the end cap；
Some sealing rings, the core packet containment and the junction of the end cap, the flange seat and the core packet safety
The junction of shell is provided with some sealing rings.
2. nuclear power direct current generator stagewise safeguard structure according to claim 1, it is characterised in that radial direction window described in two
Axis centre around the core packet containment is symmetrical, and radial direction window described in two can facilitate the brush holder of the direct current generator to join
Line and adjustment position.
3. nuclear power direct current generator stagewise safeguard structure according to claim 2, it is characterised in that protective cover described in two with
The core packet shell is fixedly connected by some screws, some screws and is additionally provided with pad described in two between protective cover
Piece.
4. nuclear power direct current generator stagewise safeguard structure according to claim 3, it is characterised in that protective cover described in two
A rectangular seal pad is also respectively provided with medial surface, the rectangular seal pad is located at the inner side of some screws.
5. nuclear power direct current generator stagewise safeguard structure according to claim 1, it is characterised in that the inner of the end cap
The centre of the inner face of the centre in face and the flange seat offers a bearing chamber, the two ends of the motor shaft of the direct current generator
The inside of bearing chamber described in two is separately positioned on, described in the two ends of the motor shaft and two, between bearing chamber, axle is also respectively provided with
Hold, bearing described in two can weaken when the motor shaft rotates and the frictional force described in two between bearing chamber.
6. nuclear power direct current generator stagewise safeguard structure according to claim 1, it is characterised in that the end cap it is described
Annular protrusion is butted on the brush holder of the direct current generator, and the annular protrusion is used to aid in fixing the brush holder of the direct current generator.
7. nuclear power direct current generator stagewise safeguard structure according to claim 1, it is characterised in that the core packet safety
Shell adopts cast iron or cast aluminium or steel plate material, with radiation-resistant effect.
8. nuclear power direct current generator stagewise safeguard structure according to claim 1, it is characterised in that the sealing ring and institute
State rectangular seal pad and be adopted as silicone rubber material, by some sealing rings and protective cover described in two the rectangular seal
Pad seals to reach the standard of degree of protection IP67.
9. nuclear power direct current generator stagewise safeguard structure according to claim 1, it is characterised in that the core packet safety
Suspension ring are additionally provided with the middle part of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946481.4A CN106533018A (en) | 2016-11-02 | 2016-11-02 | Sectional protective structure of nuclear power DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946481.4A CN106533018A (en) | 2016-11-02 | 2016-11-02 | Sectional protective structure of nuclear power DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106533018A true CN106533018A (en) | 2017-03-22 |
Family
ID=58292418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610946481.4A Pending CN106533018A (en) | 2016-11-02 | 2016-11-02 | Sectional protective structure of nuclear power DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106533018A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040051411A1 (en) * | 2000-11-06 | 2004-03-18 | Kazuo Toya | Compact electric motor. |
| CN103457431A (en) * | 2013-09-25 | 2013-12-18 | 西安泰富西玛电机有限公司 | Direct current motor for nuclear grade valve electric actuator |
| CN203708058U (en) * | 2013-12-24 | 2014-07-09 | 宁波艾莫普直流电机动力有限公司 | Permanent-magnet brushless direct-current motor |
| CN203942363U (en) * | 2014-05-15 | 2014-11-12 | 中国长江航运集团电机厂 | The high end cap of medium-sized wound rotor motor |
| CN206442209U (en) * | 2016-11-02 | 2017-08-25 | 上海浩正电气有限公司 | A kind of nuclear power direct current generator segmented safeguard structure |
-
2016
- 2016-11-02 CN CN201610946481.4A patent/CN106533018A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040051411A1 (en) * | 2000-11-06 | 2004-03-18 | Kazuo Toya | Compact electric motor. |
| CN103457431A (en) * | 2013-09-25 | 2013-12-18 | 西安泰富西玛电机有限公司 | Direct current motor for nuclear grade valve electric actuator |
| CN203708058U (en) * | 2013-12-24 | 2014-07-09 | 宁波艾莫普直流电机动力有限公司 | Permanent-magnet brushless direct-current motor |
| CN203942363U (en) * | 2014-05-15 | 2014-11-12 | 中国长江航运集团电机厂 | The high end cap of medium-sized wound rotor motor |
| CN206442209U (en) * | 2016-11-02 | 2017-08-25 | 上海浩正电气有限公司 | A kind of nuclear power direct current generator segmented safeguard structure |
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