CN201294189Y - Mechanism for operating motor of electric power switch equipment - Google Patents
Mechanism for operating motor of electric power switch equipment Download PDFInfo
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- CN201294189Y CN201294189Y CNU2008200303593U CN200820030359U CN201294189Y CN 201294189 Y CN201294189 Y CN 201294189Y CN U2008200303593 U CNU2008200303593 U CN U2008200303593U CN 200820030359 U CN200820030359 U CN 200820030359U CN 201294189 Y CN201294189 Y CN 201294189Y
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Abstract
The utility model discloses a power switchgear electric motor operating mechanism, which comprises a box body, an output connector, a reducing mechanism, a control system, an interlocking device, a heating device and an auxiliary switch, wherein dust helmets are respectively installed on vent holes arranged on the top two sides and the bottom of the box body, and an air cell sealing ring is arranged on the door frame of the box body, and can form the seal with the box door, the output connector is arranged on the upper portion of the box body, and comprises clamping strips and a cover, and an O-shape sealing ring in the cover can form the radial seal with the stretching portion of the upper cover of the box body. The reducing mechanism is installed on the middle portion of the box body, an electric motor is connected with a speed reducer, a limit device is assembled on the upper portion of a second stage worm speed reducer, an overtravel-limit switch and an auxiliary switch are arranged on the lower portion of the reducing mechanism, and the heating device is arranged on the right side thereof. The second components of the control system, besides the overtravel-limit switch, the electric motor and the interlocking device, are all installed on a control board, and a binding post board is arranged on the left side of the control board. The operating mechanism has reasonable structure, complete function, water and dust prevention and wide use environment and temperature range, which is suitable for power systems, industrial and mining enterprises, railroad electrification and the like.
Description
Technical field
The utility model relates to a kind of motor divide-shut brake powder operation device of high voltage switchgear adapted, is specifically related to 40.5kV to 550kV outdoor disconnector, a kind of power switchgear motor operating mechanism of earthed switch.
Background technology
Along with China's power system development, to the advance of high voltage switchgear, reliability requirement is also brought up to a new height.The used motor operating mechanism home products of high voltage isolator and earthed switch mainly contains CJ6 series mechanism and CJ2 series mechanism at present, is the technology eighties in last century mostly.Though the progressively improvement through for many years in use still has many deficiencies, conclude major defect and what time followingly exist:
1, Han Jie mechanism case complex structure, coarse yielding, weight is big, and is difficult to accomplish attractive in appearance; Existing staking mechanism case poor rigidity if trample and will deform, causes waterproof ability to descend during Installation and Debugging;
2, existing staking box house space is narrow and small, and some parts installation sites are unreasonable.The field adjustable maintenance is changed inconvenient, and cable wiring is also inconvenient;
3, the poor sealing between mechanism case and the out splice going splice, rainwater is easily entered;
4, the hermetically-sealed construction of mechanism's chamber door is bad, and Feng Buyan easily advances dust and rainwater;
5, mechanism's complicated integral structure;
6, CJ6 series mechanism and isolating switch, earthed switch operation pipe connects and needs welding, execute-in-place inconvenience; Though CJ2 series mechanism does not need on-the-spot welding but the coupling stiffness deficiency, clamping force is not enough;
7, some mechanism's stopping means is unreliable;
8, mechanism's interlock complex structure, the failure rate height;
9, the auxiliary switch of mechanism deciliter position signalling can not accurately be represented deciliter position of isolating switch (earthed switch).
Summary of the invention
The purpose of this utility model provides a kind of rational in infrastructure, and is multiple functional, water proof and dust proof, and the environment for use temperature range is wide.Device is not given birth to and is embroidered a kind of power switchgear motor operating mechanism of good rigidity.
In order to overcome the deficiencies in the prior art, operating mechanism is by out splice going splice, mechanism case, reducing gear, interlock, heater, travel switch, auxiliary switch, control board is formed, special feature is: mechanism case is the three open-door riveted structure, both sides, casing top and bottom air vent dress dust cover, bottom half has the cable through wires hole, cover plate is provided with two to three cable seal circles, the casing doorframe is rainproof installs air sac sealing circle and the sealing of chamber door formation along skeleton, casing top is out splice going splice, by clamping plate, cover and axle are formed, connect with output shaft and box cover, O RunddichtringO in the cover and box cover stretched portion form radial seal, and reducing gear is installed in the mechanism case middle part, is made up of the two-stage worm-gear speed reducer, motor is connected with first order worm-gear speed reducer, on worm-gear speed reducer top, the second level, travel switch and auxiliary switch are installed in the reducing gear bottom to stopping means with bolts assemblies, and interlock is positioned on the front of first order reductor, heater is installed on the reducing gear right side, the secondary component of control system removes travel switch, and motor and interlock are installed in outward on the control board, and control board is installed in the mechanism case offside door, there is connecting terminal block in the left side of control board, and earth stud is positioned at below, left side, mechanism case back.
The box frame of described mechanism case connects for riveted joint, rivet distributes and adopts oblique line to arrange, the part overlapping mode is: case lid is overlapped on above the bent plate, last bent plate is overlapped on the outside of backboard and the right front bent plate of left front bent plate, backboard and the right front bent plate of left front bent plate are overlapped on the outside of base plate, doorframe is rainproof presses 135 ° of bendings along four corners position, rainproof along the welding of overlapping part employing argon arc.
Described out splice going splice is by clamping plate, cover, axle and O RunddichtringO are formed, output shaft passes box cover, hitch covers on output shaft and the case lid, and axle passes cover and output shaft, and the O RunddichtringO constitutes the sealing on operating mechanism top, two plywood sleeves are managed reliable grip by the 4-M16 bolt combination with isolating switch or earthed switch operation on axle.
Described reducing gear inner chamber is filled with in the time of-40 ℃ and does not occur condensing, and does not occur the lubricating grease of drip in the time of+70 ℃; Seal can be used in-40 ℃～+ 70 ℃ ambient temperature.
Described reducing gear connecting mode is that reductor becomes intersecting parallels to connect coupling mechanism case backboard between mounting panel and the bent plate with mounting panel by the 8-M12 bolt assembly after two bent plates connect with bolt up and down again.
The limiting plate of the stopping means of described reducing gear is fixed on the reductor, output shaft and guide vane end stop key joint, and its rotational angle is limited by limiting plate, can only rotate mechanism's output angle difference, the external form difference of used guide vane end stop in the output angle of regulation.
The switching mode of described travel switch is that shift fork is fixed on the output shaft bottom, and thumb wheel is installed in the rotating shaft of auxiliary switch, and shift fork has two arms, and one is used for output shaft and rotates the starting stage and stir thumb wheel; Another is used for output shaft rotation ending phase and stirs thumb wheel, when mechanism's output corner difference, and the angle difference between institute's dress shift fork two arms.
Described interlock is that electromagnetic lock and sensitive switch are installed in and constitute interlock on the bent plate, and when the push rod of electromagnetic lock moves up when opening the hand-power handle hole, push rod top promotes sensitive switch and switches.
The combination property of the utility model operating mechanism has been compared large increase with original mechanism:
1, the protective capacities of mechanism case reaches IP54, and the water proof and dust proof effect is fine;
2, mechanism case has the very strong anti-ability of trampling, and can accomplish not to be afraid of to trample;
3, the connecting stiffness intensity of mechanism has had large increase;
4, parts are rationally distributed, and the box house space is abundant, and field connection and maintenance are all very convenient;
Clamp with clamping plate when 5, connecting with isolating switch (earthed switch) operation pipe, do not need welding, reliable clamping is installed easily.
6, mechanism's stopping means can prevent effectively that the opening and closing in place rear output shaft is contingent and be rotated further the damage that isolating switch (earthed switch) is caused.
7, interlock is simple in structure, the reliability height, and can effectively prevent does not have operation.
8, the auxiliary switch of mechanism can accurately be expressed deciliter position of isolating switch (earthed switch).
9, the structural member of mechanism case outside has all carried out good protective treatment, and antirust ability is very strong.
10, the CJ30 operating mechanism is designed to serial mechanism, selects to provide great convenience to the user.
The utility model operating mechanism important technological parameters:
| Sequence number | Project | CJ30A | CJ30B |
| 1 | Be suitable for electric pressure (kV) | 252；363；550 | 40.5；55/27.5；72.5； 126；145 |
| 2 | Specified output torque (N.m) | 1200～2500 | 500～1000 |
| 3 | Rated motor power (kW) | 0.55；0.75；1.10 | 0.25；0.37 |
| 4 | Specified output corner (degree) | 90；100；180 | 90；100；180 |
| 5 | The nominal operation time (s) | 6～16 | 4～12 |
| 6 | Rated motor voltage (V) | DC220；AC380 | DC220；AC380 |
| 7 | Nominal control volatge (V) | DC220；DC110；AC220 | DC220；DC110；AC220 |
| 8 | The casing degree of protection | IP54 | IP54 |
| 9 | Mechanism's weight (kg) | 67 | 54 |
Description of drawings:
Fig. 1-1 is the front view (opening main entrance) of the utility model motor operating mechanism general structure;
Fig. 1-2 is the left view (removing left-hand door) of the utility model motor operating mechanism general structure;
Fig. 2-1 is the left view of reducing gear bind mode and structure;
Fig. 2-2 is the front view of reducing gear bind mode and structure;
Fig. 3 is mechanism's export structure and sealing schematic diagram;
Fig. 4-1 is the front view that mechanism's out splice going splice and isolator operation pipe connect;
Fig. 4-2 is that the B of Fig. 4-1 is to view;
Fig. 5-1 is 180 ° of stopping means structural representations of output;
Fig. 5-2 is output 100 ° or 90 ° of stopping means structural representations;
Fig. 6-1 is riveted joint of mechanism case framework and welded front view;
Fig. 6-2 is the A-A cutaway view of Fig. 6-1;
Fig. 6-3 is the I partial enlarged view;
Fig. 6-4 is the II partial enlarged view;
Fig. 7 is mechanism case door sealing structure, vent hole structure and long cable section of ingoing line pore structure schematic diagram;
Fig. 8-1 is 180 ° of auxiliary switch switching construction schematic diagrames of output;
Fig. 8-2 is 100 ° of (90 °) auxiliary switch switching construction schematic diagrames of output.
Embodiment
Accompanying drawing is embodiment of the present utility model.
Below in conjunction with accompanying drawing summary of the invention is described further:
With reference to shown in Figure 1, a kind of power switchgear motor operating mechanism, by out splice going splice 1, mechanism case 2, reducing gear 3, control system, interlock 4, heater 5, auxiliary switch 7 compositions such as grade.
1, (see Fig. 6-1, Fig. 7), the bossing of mechanism case loam cake 29 can reduce ponding to mechanism case 2, and the stretched portion height is 12mm, guarantees the sealing property of O RunddichtringO for stainless steel three open-door riveted structure.Both sides, casing top and bottom air vent dress dust cover 10, dust cover is by mesh plate, and Air Filter and lid are formed.Air Filter is if dust stratification too much can unload cleaning.Casing doorframe skeleton is installed air sac sealing circle 8 and is constituted sealing with chamber door 42,43,44.Box frame (seeing Fig. 6-1) connects for riveted joint, and rivet 40 distributes and adopts oblique line to arrange (riveted joint in the past, straight line is adopted in the rivet position).The part overlapping mode is: case lid 29 is overlapped on above the bent plate 35, and last bent plate 35 is overlapped on the outside of backboard 21 and left front bent plate 38 right front bent plates 39, and backboard 21 and left front bent plate 38 right front bent plates 39 are overlapped on the outside of base plate 37.Doorframe is rainproof presses 135 ° of bendings along four corners position, and doorframe is rainproof to adopt the argon arc welding along overlapping part, and Fig. 6-3 and Fig. 6-4 partial enlarged drawing are seen in welding requirements.The riveted joint part adopts numerical control press (or laser cutting machine) processing, riveted joint precision height.Take above measure to improve the rigidity of mechanism's casing 2, improve the anti-sealing property of trampling ability and improving overlapping part.
2, out splice going splice (seeing Fig. 3, Fig. 4-1) is made up of clamping plate 32 25 26 in covers and O RunddichtringO 27,28 etc.Output shaft 15 passes box cover 29, and cover 25 buttons cover on output shaft 15 and the case lid 29, and axle 26 passes cover 25 and output shaft 15, and the O RunddichtringO 28 in the cover 25 forms radial seal with box cover 29 stretched portion.Two clamping plate 32 are enclosed within on the axle 26, tighten the V-type face of 4-M16 bolt combination 31 by clamping plate 32, make isolating switch (earthed switch) operation pipe 30 produce a small amount of distortion, reach the purpose of reliable grip.This structure is not strict to operating the requirement of pipe diameter in addition, and diameter has the equal energy of the error reliable grip between negative two millimeters to positive five millimeters.
3, reducing gear (seeing Fig. 2-1) is made up of output shaft 15 stopping means 16 two-stage worm-gear speed reducers 18 motor 19 bent plates 20 etc., motor 19 is connected with first order worm-gear speed reducer, stopping means 16 usefulness bolts 17 are assemblied in worm-gear speed reducer top, the second level, travel switch 6 and auxiliary switch 7 are installed in reductor 18 bottoms, and interlock 4 is positioned on the front of first order reductor.Reductor 18 is mechanism case backboard 21 by connecting by 14 one-tenth intersecting parallels of 8-M12 bolt assembly with mounting panel 11 after two bent plate 20 usefulness bolts 17 are fixedly connected up and down between mounting panel 11 and the bent plate 20 again.Reductor 18 inner chambers do not occur condensing when being filled in-40 ℃, do not occur the lubricating grease of drip in the time of+70 ℃, and the seal of reductor 17 can be used in-40 ℃～+ 70 ℃ ambient temperature.
4, stopping means (seeing Fig. 5-1), limiting plate 34 is fixed on the reductor 18, and output shaft 15 and guide vane end stop 33 are used key joint.When output shaft 15 rotated, guide vane end stop 33 was subjected to limiting plate 34 restrictions, can only rotate in the output angle of regulation.Mechanism's output angle difference, the external form difference of used guide vane end stop 33.
5, the secondary component of control system removes travel switch 6, motor 19 and interlock 4 outer being installed on the control board 9, control board 9 is installed in mechanism case 2 offside doors, control board 9 lower surfaces are to the about 120mm of mechanism case 2 bottom surfaces distance, the left side of control board 9 is a connecting terminal block 12, makes things convenient for terminal block.
6, heater 5 is installed in reducing gear 3 right sides.
7, interlock 4 (seeing Fig. 2-2) is positioned on the front of first order reductor, is installed on the bent plate 22 by electromagnetic lock 23 and sensitive switch 24 to constitute.When the push rod of electromagnetic lock 23 moves up when opening the hand-power handle hole, push rod top promotes sensitive switch 24 and switches.
8, the switching mode of travel switch 6 (seeing Fig. 8-1, Fig. 8-2), shift fork 45 is fixed on output shaft 15 bottoms, and thumb wheel 46 is installed in the rotating shaft of auxiliary switch 7.Shift fork 45 has two arms, and one is used for output shaft 15 and rotates the starting stages and stir thumb wheel 46; Another is used for output shaft 15 rotation ending phase and stirs thumb wheel 46, when mechanism's output corner difference, and the angle difference between 45 liang of arms of institute's dress shift fork.
Operation principle
1, electric operating: motor power and control power supply close, press switch knob (opening button), contactor adhesive, motor are rotated worm-gear speed reducer, drive output shaft and drive isolating switch (earthed switch) realization closing operation (sub-switching operation) simultaneously by out splice going splice (clamping plate).When combined floodgate put (separating brake puts in place) in place, the cam of output shaft bottom switched travel switch, and contactor releasing motor power operation is finished.
2, anxious stopping operated: when needing to stop in the electric operating, press stop button, mechanism is with shut-down operation at once.
3, hand-power operation: when non-transformer or Installation and Debugging, with the handle hole of operating grip insertion first order worm-gear speed reducer, the rotating operation handle is realized breaking-closing operating.When carrying out the hand-power operation, the locking of electric operating loop can not be carried out electric operating.
Claims (8)
1, a kind of power switchgear motor operating mechanism, by out splice going splice (1), mechanism case (2), reducing gear (3), interlock (4), heater (5), travel switch (6), auxiliary switch (7), control board (9) is formed, it is characterized in that mechanism case (2) is the three open-door riveted structure, both sides, casing top and bottom air vent dress dust cover (10), bottom half has the cable through wires hole, cover plate (41) is provided with two to three cable seal circles (36), the casing doorframe is rainproof installs air sac sealing circle (8) and chamber door (42 along skeleton, 43,44) constitute sealing, casing top is out splice going splice (1), by clamping plate (32), cover (25) and axle (26) are formed, connect with output shaft (15) and box cover (29), O RunddichtringO (28) in the cover (25) forms radial seal with box cover (29) stretched portion, reducing gear (3) is installed in mechanism case (2) middle part, form by two-stage worm-gear speed reducer (18), motor (19) is connected with first order worm-gear speed reducer, stopping means (16) is assemblied in worm-gear speed reducer top, the second level with bolt (17), travel switch (6) and auxiliary switch (7) are installed in the reducing gear bottom, interlock (4) is positioned on the front of first order reductor, heater (5) is installed on reducing gear (3) right side, the secondary component of control system removes travel switch (6), motor (19) and interlock (4) are outer to be installed on the control board (9), control board (9) is installed in mechanism case (2) offside door, there is connecting terminal block (12) in the left side of control board (9), and earth stud (13) is positioned at below, left side, mechanism case (2) back.
2, according to the described a kind of power switchgear motor operating mechanism of claim 1, the box frame that it is characterized in that described mechanism case (2) connects for riveted joint, rivet (40) distributes and adopts oblique line to arrange, the part overlapping mode is: case lid (29) is overlapped on above the bent plate (35), last bent plate (35) is overlapped on the outside of backboard (21) and the right front bent plate of left front bent plate (38) (39), backboard (21) and the right front bent plate of left front bent plate (38) (39) are overlapped on the outside of base plate (37), doorframe is rainproof presses 135 ° of bendings along four corners position, rainproof along the welding of overlapping part employing argon arc.
3, according to the described a kind of power switchgear motor operating mechanism of claim 1, it is characterized in that described out splice going splice (1) is by clamping plate (32), cover (25), axle (26) and O RunddichtringO (27,28) form, output shaft (15) passes box cover (29), cover (25) button covers on output shaft (15) and the case lid (29), axle (26) passes cover (25) and output shaft (15), O RunddichtringO (27,28) sealing on formation operating mechanism top, two clamping plate (32) are enclosed within on the axle (26), by 4-M16 bolt combination (31) isolating switch or earthed switch operation are managed (30) reliable grip.
4, according to the described a kind of power switchgear motor operating mechanism of claim 1, it is characterized in that described reducing gear (3) inner chamber is filled with in the time of-40 ℃ and do not occur condensing, the lubricating grease of drip does not appear in the time of+70 ℃.
5, according to the described a kind of power switchgear motor operating mechanism of claim 1, it is characterized in that described reducing gear (3) connecting mode is that reductor (18) is by becoming intersecting parallels to connect coupling mechanism case backboard (21) between mounting panel (11) and the bent plate (20) with mounting panel (11) by 8-M12 bolt assembly (14) again after two bent plates (20) are fixedly connected with bolt (17) up and down.
6, according to the described a kind of power switchgear motor operating mechanism of claim 1, the limiting plate (34) that it is characterized in that the stopping means (16) of described reducing gear (3) is fixed on the reductor (18), output shaft (15) and guide vane end stop (33) are used key joint, its rotational angle is subjected to limiting plate (34) restriction, can only in the output angle of regulation, rotate, mechanism's output angle difference, the external form difference of used guide vane end stop (33).
7, according to the described a kind of power switchgear motor operating mechanism of claim 1, the switching mode that it is characterized in that described travel switch (6) is that shift fork (45) is fixed on output shaft (15) bottom, thumb wheel (46) is installed in the rotating shaft of auxiliary switch (7), shift fork (45) has two arms, and one is used for output shaft (15) and rotates the starting stage and stir thumb wheel (46); Another is used for output shaft (15) rotation ending phase and stirs thumb wheel (46), when mechanism's output corner difference, and the angle difference between institute's dress shift fork (45) two arms.
8, according to the described a kind of power switchgear motor operating mechanism of claim 1, it is characterized in that described interlock (4) is that electromagnetic lock (23) and sensitive switch (24) are installed in upward formation interlock (4) of bent plate (22), when the push rod of electromagnetic lock (23) moves up when opening the hand-power handle hole, push rod top promotes sensitive switch (24) and switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200303593U CN201294189Y (en) | 2008-09-23 | 2008-09-23 | Mechanism for operating motor of electric power switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200303593U CN201294189Y (en) | 2008-09-23 | 2008-09-23 | Mechanism for operating motor of electric power switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201294189Y true CN201294189Y (en) | 2009-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200303593U Expired - Fee Related CN201294189Y (en) | 2008-09-23 | 2008-09-23 | Mechanism for operating motor of electric power switch equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103938A (en) * | 2011-01-20 | 2011-06-22 | 川铁电气（天津）集团有限公司 | Indoor-side-mounting electric operating device |
| CN103681023A (en) * | 2013-11-25 | 2014-03-26 | 川铁电气（天津）集团有限公司 | Multifunctional electric operating mechanism applicable to small space |
| CN105529196A (en) * | 2016-01-15 | 2016-04-27 | 河北宇牛电气设备有限公司 | Anti-misoperation electric device for disconnecting switch for electrified railway contact net |
| CN105529197A (en) * | 2016-01-15 | 2016-04-27 | 河北宇牛电气设备有限公司 | Electric mechanism for disconnecting switch for electrified railway contact net |
| CN106773983A (en) * | 2016-12-29 | 2017-05-31 | 中国西电电气股份有限公司 | A kind of intelligent operating mechanism and control method |
| CN110335776A (en) * | 2019-07-18 | 2019-10-15 | 湖南长高高压开关集团股份公司 | A kind of modularization isolator operating mechanism case |
| CN112002593A (en) * | 2020-08-28 | 2020-11-27 | 贵州电网有限责任公司 | Disconnecting switch operating mechanism with modular control loop design and use method |
-
2008
- 2008-09-23 CN CNU2008200303593U patent/CN201294189Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103938A (en) * | 2011-01-20 | 2011-06-22 | 川铁电气（天津）集团有限公司 | Indoor-side-mounting electric operating device |
| CN102103938B (en) * | 2011-01-20 | 2012-12-19 | 川铁电气（天津）集团有限公司 | Indoor-side-mounting electric operating device |
| CN103681023A (en) * | 2013-11-25 | 2014-03-26 | 川铁电气（天津）集团有限公司 | Multifunctional electric operating mechanism applicable to small space |
| CN105529196A (en) * | 2016-01-15 | 2016-04-27 | 河北宇牛电气设备有限公司 | Anti-misoperation electric device for disconnecting switch for electrified railway contact net |
| CN105529197A (en) * | 2016-01-15 | 2016-04-27 | 河北宇牛电气设备有限公司 | Electric mechanism for disconnecting switch for electrified railway contact net |
| CN105529196B (en) * | 2016-01-15 | 2017-09-26 | 河北宇牛电气设备有限公司 | The anti-misoperation electric device of contact nets in electrified railways disconnecting switch |
| CN105529197B (en) * | 2016-01-15 | 2017-11-14 | 河北宇牛电气设备有限公司 | Contact nets in electrified railways disconnecting switch motor structure |
| CN106773983A (en) * | 2016-12-29 | 2017-05-31 | 中国西电电气股份有限公司 | A kind of intelligent operating mechanism and control method |
| CN106773983B (en) * | 2016-12-29 | 2019-11-29 | 中国西电电气股份有限公司 | A kind of intelligence operating mechanism and control method |
| CN110335776A (en) * | 2019-07-18 | 2019-10-15 | 湖南长高高压开关集团股份公司 | A kind of modularization isolator operating mechanism case |
| CN112002593A (en) * | 2020-08-28 | 2020-11-27 | 贵州电网有限责任公司 | Disconnecting switch operating mechanism with modular control loop design and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN FUDA ELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XI'AN HENGYANG ELECTRIC APPLIANCE EQUIPMENT CO., LTD. Effective date: 20130609 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130609 Address after: 710077 Shaanxi Province, Xi'an Lianhu District Ren Jia Kou Industrial Park No. 10 Patentee after: Xi'an Fuda Electric Technology Co., Ltd. Address before: 710077, room 40901, building 1, Xicheng Fang Nan, 18 West Second Ring Road, Lianhu District, Xi'an, Shaanxi Patentee before: Xi'an Hengyang Electric Appliance Equipment Co., Ltd. |
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Owner name: SHENYANG DONGMU ELECTRICAL EQUIPMENT CO. LTD Free format text: FORMER OWNER: XI'AN FUDA ELECTRIC TECHNOLOGY CO., LTD. Effective date: 20150618 |
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Effective date of registration: 20150618 Address after: 110032, Shenyang, Liaoning Province, Yuhong District, Yalu Jiangbei Street Guanyin Development Zone, Shenyang East livestock Electric Manufacturing Co., Ltd. Patentee after: Shenyang Dongmu Electrical Equipment Co. Ltd Address before: 710077 Shaanxi Province, Xi'an Lianhu District Ren Jia Kou Industrial Park No. 10 Patentee before: Xi'an Fuda Electric Technology Co., Ltd. |
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