CN203504378U - Direct-current motor used for nuclear-grade valve electric actuator - Google Patents
Direct-current motor used for nuclear-grade valve electric actuator Download PDFInfo
- Publication number
- CN203504378U CN203504378U CN201320595830.4U CN201320595830U CN203504378U CN 203504378 U CN203504378 U CN 203504378U CN 201320595830 U CN201320595830 U CN 201320595830U CN 203504378 U CN203504378 U CN 203504378U
- Authority
- CN
- China
- Prior art keywords
- end cap
- shaft extension
- extension end
- end cover
- shaft
- 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.)
- Expired - Lifetime
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a direct-current motor for a nuclear-grade valve electric actuator. The direct-current motor comprises a motor shell, a rotating shaft arranged in the shell and installed through a shaft extension end cover and a rear end cover which are arranged at the two ends of the shell, a rotor installed on the rotating shaft, a stator fixedly arranged in the shell and matched with the rotor in installation and a brush carrier. A cable connector is arranged on the shaft extension end cover, and a lead-out line of the stator is led out of the motor shell from the shaft extension end cover through the cable connector. The shaft extension end cover, the rear end cover and the stator are all sealed through sealing rings. The brush carrier is fixed to the inner side of the shaft extension end cover. By means of structure optimization, the brush carrier is fixed to the shaft extension end cover, and the mode that a cable is led out from the shaft extension end cover is adopted, so that the special requirements of nuclear power environment can be met.
Description
Technical field
The utility model belongs to technical field of motors, relates to a kind of direct current machine, especially a kind of nuclear grade valve electric operator direct current machine.
Background technology
After Japan's nuclear accident, various countries all have higher requirement to Nuclear Safety, reliability to nuclear power apparatus action reanalyses, China starts independent research three generations nuclear power technology, improvement to electric device, wherein the more important Shi Yong direct current mechanism replaces exchanging mechanism, and its advantage is the detent torque that can provide larger, generally, with unit power supply, under case of emergency, can adopt storage battery power supply.
Utility model content
The purpose of this utility model is to provide a kind of nuclear grade valve electric operator direct current machine, it carries out structure optimization, brush holder is fixed on to shaft extension end end cap, and adopts cable by the mode of drawing on shaft extension end end cap, can meet the specific (special) requirements of nuclear power environment.
The purpose of this utility model is achieved through the following technical solutions:
This nuclear grade valve electric operator direct current machine, comprises electric machine casing, is arranged in housing by being arranged on the shaft extension end end cap at housing two ends and rotating shaft that rear end cap is installed, is arranged on rotor in rotating shaft, is fixedly installed on the stator and the brush holder that in housing and with rotor, coordinate installation; On shaft extension end end cap, be provided with cable joint, the lead-out wire of stator is drawn outside electric machine casing by shaft extension end end cap by cable joint; Between described shaft extension end end cap, rear end cap and stator, all adopt sealing ring to seal; Described brush holder is fixed on the inner side of shaft extension end end cap.
Above-mentioned sealing ring is silicone rubber O-ring or viton seal ring.
Above-mentioned shaft extension end end cap and rear end cap adopt welded-steel plate construction.
The anterior shaft extension end of above-mentioned rotating shaft is arranged on shaft extension end end cap by clutch shaft bearing.The rear end of described rotating shaft is arranged on rear end cap by the second bearing.
The utlity model has following beneficial effect:
Nuclear grade valve electric operator of the present utility model with direct current machine in order to meet the specific (special) requirements of nuclear power environment, by structure optimization, brush holder is fixed on to shaft extension end end cap, and adopt cable by drawing on shaft extension end end cap, and, sealing ring between housing and end cap all adopts high temperature resistant radiation resistance material, makes direct current machine degree of protection reach IP67, has advantages of that high temperature resistant, vibrations, irradiation, full pressure start.In addition, nuclear grade valve electric operator of the present utility model adopts direct current form with motor, and Qi Yong direct current mechanism replaces exchanging mechanism, larger detent torque can be provided, and can adopt storage battery power supply.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1 is clutch shaft bearing; 2 is cable joint; 3 is flange end cap; 4 is brush holder; 5 is sealing ring; 6 is stator; 7 is rotor; 8 is rear end cap; 9 is the second bearing.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1: nuclear grade valve electric operator direct current machine of the present utility model, comprises electric machine casing 10, is arranged in housing 10 by being arranged on the shaft extension end end cap 3 at housing 10 two ends and rotating shaft 11 that rear end cap 8 is installed, is arranged on rotor 7 in rotating shaft 11, is fixedly installed in housing 10 and coordinates stator 6 and the brush holder 4 of installation with rotor; On shaft extension end end cap 3, be provided with cable joint 2, the lead-out wire of stator 6 is drawn outside electric machine casing 10 by shaft extension end end cap 3 by cable joint; Between described shaft extension end end cap 3, rear end cap 8 and stator 6, all adopt sealing ring 5 to seal; Described brush holder 4 is fixed on the inner side of shaft extension end end cap 3.Described sealing ring 5 is silicone rubber O-ring or viton seal ring.Described shaft extension end end cap 3 and rear end cap 8 adopt welded-steel plate construction.The anterior shaft extension end of described rotating shaft 11 is arranged on shaft extension end end cap 3 by clutch shaft bearing 1; The rear end of described rotating shaft 11 is arranged on rear end cap 8 by the second bearing 9.Clutch shaft bearing 1 and the second bearing 9 adopt import SKF sealed bearing, and grease is special-purpose.The electromagnetic wire that complete machine adopts and insulating material, lead-out wire are all according to high temperature resistant, radiotolerant requirement.
Cable joint 2 of the present utility model meets high temperature, irradiation requirement, lead-out wire is fixed simultaneously.
The magnetic pole screw exposing on the utility model stator 6 adopts high temperature resistant, radiation-resistant fluid sealant to be coated with envelope, to meet sealing and the irradiation requirement of motor.
In sum, in the utility model, the structural members such as end cap support adopt welded-steel plate construction, to improve mechanical strength.The utility model carries out Seal Design to complete machine structure, and the materials such as while seal used, insulating material, electromagnetic wire, bearing are all selected according to nuclear power environmental requirement.During Electromagnetic Design of the present utility model, by voltage of the end, consider electric property, to meet startup requirement.According to the requirement of motor short-term operation and little moment of inertia, on rotor of the present utility model, without cooling fan, the outer table of complete machine dispels the heat.
Nuclear grade valve electric operator of the present utility model is with direct current machine for three generations's nuclear power station, and its performance basic demand is:
1.1 rated operational voltages: 250VDC(-20%～+ 10%), motor must fullly be pressed and be started, and should be able to meet detent torque and operation torque request when minium operation voltage;
1.2 working forms are S2,5min short time duty;
1.3 classes of insulation are H level, and air is cooling;
The calendar life of 1.4 motor is 60 years, and the operating time at calendar life in the phase is not less than 500 hours;
1.5 motor are answered brakeless device restriction inertia load, and moment of inertia is low;
After 1.6 motor and electric valve executing mechanism combination, its shell protection grade should be not less than IP67, and sheathing material should be able to bear earthquake vibration and keep structural intergrity;
Lubricant/lubricating oil, polytetrafluoroethylene and acrylonitrile-butadiene rubber that 1.7 motor ban use of aluminium, asbestos, contain molybdenum bisuphide; Wire should not contain mercury, halide and other low-melting-point metal, or uses the material that contains low-melting-point metal;
1.8 motors adopt compound excitation excitation mode, by changing armature winding polarity, realize commutation operation, and armature winding, excitation winding and series excitation winding wire are drawn respectively, and wire hole is on the axis direction of flange end cap;
1.9 have high temperature, antidetonation, resistance to irradiation, pressure, chemical environment requirement.
Claims (4)
1. a nuclear grade valve electric operator direct current machine, it is characterized in that, comprise electric machine casing (10), be arranged in housing (10) by being arranged on the shaft extension end end cap (3) at housing (10) two ends and rotating shaft (11) that rear end cap (8) is installed, be arranged on rotor (7) in rotating shaft (11), be fixedly installed in housing (10) and coordinate stator (6) and the brush holder (4) of installation with rotor; On shaft extension end end cap (3), be provided with cable joint (2), the lead-out wire of stator (6) is drawn outside electric machine casing (10) by shaft extension end end cap (3) by cable joint; Between described shaft extension end end cap (3), rear end cap (8) and stator (6), all adopt sealing ring (5) to seal; Described brush holder (4) is fixed on the inner side of shaft extension end end cap (3).
2. nuclear grade valve electric operator direct current machine according to claim 1, is characterized in that, described sealing ring (5) is silicone rubber O-ring or viton seal ring.
3. nuclear grade valve electric operator direct current machine according to claim 1, is characterized in that, described shaft extension end end cap (3) and rear end cap (8) adopt welded-steel plate construction.
4. nuclear grade valve electric operator direct current machine according to claim 1, is characterized in that, the anterior shaft extension end of described rotating shaft (11) is arranged on shaft extension end end cap (3) by clutch shaft bearing (1); The rear end of described rotating shaft (11) is arranged on rear end cap (8) by the second bearing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320595830.4U CN203504378U (en) | 2013-09-25 | 2013-09-25 | Direct-current motor used for nuclear-grade valve electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320595830.4U CN203504378U (en) | 2013-09-25 | 2013-09-25 | Direct-current motor used for nuclear-grade valve electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504378U true CN203504378U (en) | 2014-03-26 |
Family
ID=50335322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320595830.4U Expired - Lifetime CN203504378U (en) | 2013-09-25 | 2013-09-25 | Direct-current motor used for nuclear-grade valve electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107482829A (en) * | 2017-08-28 | 2017-12-15 | 云南靖创液态金属热控技术研发有限公司 | A kind of radiator structure of brushless electric machine |
-
2013
- 2013-09-25 CN CN201320595830.4U patent/CN203504378U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107482829A (en) * | 2017-08-28 | 2017-12-15 | 云南靖创液态金属热控技术研发有限公司 | A kind of radiator structure of brushless electric machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203504378U (en) | Direct-current motor used for nuclear-grade valve electric actuator | |
| CN103457431A (en) | Direct current motor for nuclear grade valve electric actuator | |
| CN108696054A (en) | A kind of Flame-Proof Three-Phase Induction Motors | |
| CN209200796U (en) | A kind of permanent magnet three-phase AC servo motor with double feedback arrangements | |
| CN103779977A (en) | Slotless type brushless DC motor | |
| CN208028755U (en) | A kind of electric tool micromotor | |
| CN102664503A (en) | Explosion-proof coil wound rotor three-phase asynchronous motor for lifting | |
| CN217427892U (en) | Motor comprising resolver | |
| JP2013106493A (en) | Power storage system | |
| CN106224488B (en) | A kind of integrated harmonic speed reducer device of built-in motor | |
| KR101101549B1 (en) | Self-generating motor | |
| CN210780328U (en) | Waterproof motor | |
| CN203632516U (en) | Slotless brushless direct current motor | |
| CN113162297A (en) | Explosion-proof motor | |
| CN201918861U (en) | Novel generator set | |
| CN2914463Y (en) | Flame-proof type three phase asynchronous motor for oiling machine | |
| CN110350706A (en) | A kind of novel graphene high efficiency and heat radiation motor | |
| CN204046292U (en) | The quill shaft heat radiating type motor that electrical salf-walking is automobile-used | |
| CN210297511U (en) | Permanent magnet synchronous motor applied to seawater environment | |
| CN214380583U (en) | Solar photovoltaic sun tracking integrated direct-current permanent magnet brushless motor | |
| CN221305717U (en) | High-efficiency energy-saving brushless direct current motor for long-endurance unmanned aerial vehicle | |
| CN204131281U (en) | A kind of motor for water pump | |
| CN220440463U (en) | Motor water stop device | |
| CN103166410B (en) | Brush motor and fan assembly | |
| CN218997788U (en) | Direct-drive permanent magnet motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180920 Granted publication date: 20140326 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210920 Granted publication date: 20140326 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |