CN203445049U - Permanent-magnetism operating mechanism built in solid insulated RMU (Ring Main Unit) - Google Patents
Permanent-magnetism operating mechanism built in solid insulated RMU (Ring Main Unit) Download PDFInfo
- Publication number
- CN203445049U CN203445049U CN201320429514.XU CN201320429514U CN203445049U CN 203445049 U CN203445049 U CN 203445049U CN 201320429514 U CN201320429514 U CN 201320429514U CN 203445049 U CN203445049 U CN 203445049U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- permanent
- fixed guide
- connecting lever
- guide plate
- 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
Images
Abstract
The utility model provides a permanent-magnetism operating mechanism built in a solid insulated RMU. The permanent-magnetism operating mechanism comprises two fixed guide plates, a permanent-magnetism mechanism, a transmission mechanism and a transmission shaft, wherein the two fixed guide plates are vertically arranged in a cabinet of the RMU, the lower ends of the two fixed guide plates are respectively arranged at two opposite sides of insulating pull bars of a vacuum explosion chamber, and the insulating pull bars of the vacuum explosion chamber are placed at the bottom of the cabinet; the permanent-magnetism mechanism is fixed at the upper ends of the fixed guide plates, and a main shaft of the permanent-magnetism mechanism is arranged horizontally; the transmission mechanism comprises a transmission rod and multiple connecting plates, the transmission rod is adjacent to the lower side of the permanent-magnetism mechanism and parallel with the main shaft of the permanent-magnetism mechanism, the upper ends of the connecting plates are in pin joint with the transmission rod at interval, and the lower ends of the connecting plates are correspondingly in pin joint with the insulating pull bars of the vacuum explosion chamber; and the transmission shaft is placed between the head of the main shaft and the transmission rod, the inner end of the transmission shaft is rotationally arranged on the fixed guide plates and penetrates through the fixed guide plates, the transmission shaft is equipped with a double-end connecting lever, and the two ends of the double-end connecting lever are respectively in pin joint with the head of the main shaft and the transmission rod. When the main shaft is extended to push the double-end connecting lever to rotate, the double-end connecting lever can drive the transmission rod to move in the direction opposite to the direction in which the main shaft is extended, so that the connecting plates push the insulating pull bars of the vacuum explosion chamber to move downwards.
Description
Technical field
The utility model relates to a kind of permanent-magnet operating mechanism, especially a kind of permanent-magnet operating mechanism that is built in solid insulation ring main unit.
Background technology
Along with developing rapidly of intelligent grid, power equipment user is more and more higher to the requirement of primary equipment reliability, environmental protection and the intelligent levels such as ring main unit.
In order to solve existing SF6 gas-insulated ring network cabinet, may there is the hidden danger of gas leakage blast and inner arcing; further improve reliability, adaptability and the environmental protection level of ring main unit, industrial quarters has been released and has been adopted solid insulating material as the solid insulation ring main unit of new generation of main insulation medium.Compare with SF6 gas-insulated ring network cabinet, solid insulation ring main unit does not discharge any noxious substance, without the hidden danger of gas leakage blast and inner arcing, and the characteristic of property of the excellence such as have that insulation property are high, volume is little, capacity is large, bulk strength is high and non-maintaining.But solid insulation ring main unit generally adopts spring operating mechanism, there is following shortcoming in this structure: rely on machine driving completely, and complex structure, amount of parts is many, and general spring operating mechanism has up to a hundred parts; Transmission mechanism is comparatively complicated, and failure rate is higher, and moving component is many, and manufacture process requirement is higher; Sliding friction surface is many, and how at key position, in During Process of Long-term Operation, the wearing and tearing of these parts, corrosion and bleeding of lubricant, solidify etc. all can cause operate miss.
In view of this, the design people, according to the Production design experience of being engaged in for many years this area and association area, develops a kind of permanent-magnet operating mechanism that is built in solid insulation ring main unit, the problem existing to solving prior art.
Utility model content
The purpose of this utility model is to be to provide a kind of permanent-magnet operating mechanism that is built in solid insulation ring main unit, and it is simple in structure, and part sum is few, and stable work in work has improved reliability and the intelligent level of solid insulation ring main unit.
For this reason, the utility model proposes a kind of permanent-magnet operating mechanism that is built in solid insulation ring main unit, the bottom of cabinet bulk of this solid insulation ring main unit is provided with a plurality of vacuum interrupter insulated tension poles, and described permanent-magnet operating mechanism comprises:
Two fixed guide plates, in the cabinet that is uprightly arranged on described solid insulation ring main unit separately, described in two, fixed guide plate is set in parallel, form a guide space between the two, described in two, the lower end correspondence of fixed guide plate is positioned at the two opposite sides of the vacuum interrupter insulated tension pole of described bottom of cabinet bulk;
Permanent magnet mechanism, is fixed on the upper end of fixed guide plate described in two, and the main shaft of described permanent magnet mechanism is described in two between fixed guide plate, and arranges in horizontal direction;
Transmission mechanism, be arranged in described guide space, comprise a drive link and a plurality of winning in succession, described drive link is adjacent to the downside of described permanent magnet mechanism, and be set in parallel with the main shaft of described permanent magnet mechanism, the interval, upper end of winning in succession described in each is articulated on described drive link, its lower end with the corresponding pivot joint of vacuum interrupter insulated tension pole described in each;
Power transmission shaft, described power transmission shaft is between the head and described drive link of described main shaft, it is inner can rotate be arranged in two described in fixed guide plate, the sheathed double end connecting lever that is fixed with on described power transmission shaft, described double end connecting lever is positioned at described guide space, the head of its one end and described main shaft is articulated, its other end is hubbed on described drive link, when described main shaft stretches out and promote described double end connecting lever and power transmission shaft rotation, the opposite direction that described double end connecting lever can drive described drive link to stretch out along described main shaft moves, make to win in succession described in each and promote vacuum interrupter insulated tension pole described in each and move down.
The permanent-magnet operating mechanism that is built in solid insulation ring main unit as above, wherein, on described fixed guide plate, corresponding described drive link is interval with a plurality of horizontally-guided elongated slots, the upper end of winning in succession described in each and described drive link are articulated by connecting pin on respectively, and the two ends correspondence of described upper connecting pin is arranged in the horizontally-guided elongated slot of fixed guide plate described in two;
Described fixed guide plate offers respectively vertical guiding elongated slot in the position corresponding to the lower end of winning in succession described in each, the lower end of winning in succession described in each respectively by lower connecting pin and described in each vacuum interrupter insulated tension pole be articulated, the two ends correspondence of described lower connecting pin is arranged in the vertical guiding elongated slot of fixed guide plate described in two.
The permanent-magnet operating mechanism that is built in solid insulation ring main unit as above, wherein, wherein sets firmly a ring flange on fixed guide plate described in one, be provided with a bearing in described ring flange, and the inner correspondence of described power transmission shaft wears described bearing.
The permanent-magnet operating mechanism that is built in solid insulation ring main unit as above, wherein, separately be provided with a manual switching-off device, described manual switching-off device comprises a separating brake main shaft, sheathed minute brake cam and at least one sluice separating spring being fixed on described separating brake main shaft, the inner of described separating brake main shaft can be rotated wear two described in fixed guide plate, its outer end protrudes out described cabinet, and form a grip part, described separating brake main shaft is relative with the head of described main shaft, described minute brake cam, can contact corresponding to the head of described main shaft when described main shaft stretches out;
Described sluice separating spring and described main shaft are set in parallel, and one end of described sluice separating spring is connected with the connecting lever arranging on described power transmission shaft, and its other end correspondence is connected on the bearing of described cabinet madial wall.
The permanent-magnet operating mechanism that is built in solid insulation ring main unit as above, wherein, described manual switching-off device further comprises the spacing spring of a separating brake, a separating brake upper limit part and a separating brake lower limit part, the upper end of the spacing spring of described separating brake and the downside of described minute brake cam join, its lower end is connected in wherein described in one on fixed guide plate, described separating brake upper limit part and separating brake lower limit part along vertical spacing be arranged on two described between fixed guide plate, and adjacent to described minute brake cam the side away from described main shaft.
The permanent-magnet operating mechanism that is built in solid insulation ring main unit as above, wherein, the head of described main shaft is further provided with a main connecting lever, one end pivot joint of described main connecting lever and described double end connecting lever, and described minute brake cam, can contact corresponding to the outer surface of described main connecting lever when described main shaft stretches out.
The permanent-magnet operating mechanism that is built in solid insulation ring main unit of the present utility model, compare with existing spring operating mechanism, it is simple in structure, parts sum is few, without the breaking-closing operating of threading off, locker can be realized switch or circuit breaker, maintenance function and the service behaviour of its final position (as closed a floodgate) are more stable; By the devices such as permanent magnet mechanism, power transmission shaft and transmission mechanism are set, in the work time-division, closing time is shorter and stable, work times generally can reach more than 100,000 times, and reliability improves, and has further improved reliability and the intelligent level of solid insulation ring main unit.
In addition, the utility model is by arranging manual switching-off device, in the time cannot carrying out separating brake by permanent magnet mechanism because of power-off, can utilize separating brake main shaft, minute brake cam and sluice separating spring, promotes main shaft and reply to permanent magnet mechanism, and the opposite direction that drives drive link to reply towards main shaft by double end connecting lever moves, with related respectively win in succession to pull on vacuum interrupter insulated tension pole move, thereby complete separating brake operation, further expanded range of application of the present utility model.
Accompanying drawing explanation
Fig. 1 is that the master who is built in the permanent-magnet operating mechanism of solid insulation ring main unit of the present utility model looks perspective view, and in figure, the utility model is in gate-dividing state;
Fig. 2 is the vertical view that is built in the permanent-magnet operating mechanism of solid insulation ring main unit of the present utility model;
Fig. 3 is the left side view that is built in the permanent-magnet operating mechanism of solid insulation ring main unit of the present utility model;
Fig. 4 is the composition structural representation of manual switching-off device in the utility model, and wherein, the permanent magnet mechanism in figure is for stretching out state;
Fig. 5 is that the utility model is in the use reference diagram of "on" position.
Main element label declaration:
1 cabinet 11 vacuum interrupter insulated tension poles
12 bearing 21 fixed guide plates
211 horizontally-guided elongated slots 212 are guiding elongated slot vertically
213 ring flange 214 bearings
22 permanent magnet mechanism 221 main shafts
222 main connecting lever 23 transmission mechanisms
231 drive links 232 are won in succession
24 power transmission shaft 241 double end connecting levers
242 connecting lever 25 manual switching-off devices
251 separating brake main shaft 2511 grip parts
252 minutes brake cam 253 sluice separating springs
The spacing spring 255 separating brake upper limit parts of 254 separating brake
256 separating brake lower limit part H guide space
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing embodiment of the present utility model is described:
Fig. 1 is that the master who is built in the permanent-magnet operating mechanism of solid insulation ring main unit of the present utility model looks perspective view, and in figure, the utility model is in gate-dividing state; Fig. 2 is the vertical view that is built in the permanent-magnet operating mechanism of solid insulation ring main unit of the present utility model; Fig. 3 is the left side view that is built in the permanent-magnet operating mechanism of solid insulation ring main unit of the present utility model; Fig. 4 is the composition structural representation of manual switching-off device in the utility model, and wherein, the permanent magnet mechanism in figure is for stretching out state; Fig. 5 is that the utility model is in the use reference diagram of "on" position.
Referring to Fig. 1 to Fig. 4, be the permanent-magnet operating mechanism that is built in solid insulation ring main unit the utility model proposes, cabinet 1 bottom of this solid insulation ring main unit is provided with a plurality of vacuum interrupter insulated tension poles 11, and wherein, described permanent-magnet operating mechanism comprises:
Two fixed guide plates 21, in the cabinet that is uprightly arranged on described solid insulation ring main unit 1 separately, described in two, fixed guide plate 21 is set in parallel, form a guide space H between the two, described in two, the lower end correspondence of fixed guide plate 21 is positioned at the two opposite sides of the vacuum interrupter insulated tension pole 11 of described cabinet 1 bottom, when actual sets is established, this fixed guide plate can be fixed in this cabinet by modes such as welding, be spirally connected, in illustrated structure, what preferably adopt is to be welded and fixed with the inner surface of cabinet;
Wherein, on described fixed guide plate 21, corresponding described drive link 231 is interval with a plurality of horizontally-guided elongated slots 211, win in succession described in each 232 upper end and described drive link 231 is articulated by connecting pin (not shown) on respectively, the two ends correspondence of described upper connecting pin is arranged in the horizontally-guided elongated slot 211 of fixed guide plate described in two, as shown in the figure, each horizontally-guided elongated slot 211 is arranged at intervals at position corresponding with drive link 231 on fixed guide plate 21, when work, horizontally-guided elongated slot 211 by fixed guide plate described in two with each on the corresponding matching one by one of connecting pin, can guarantee drive link all the time the opposite direction when stretching out with main shaft move, make respectively to win in succession when each vacuum interrupter insulated tension pole of interlock moves down, can reach best working effect,
Described fixed guide plate 21 offers respectively vertical guiding elongated slot 212 in the position corresponding to 232 lower ends of winning in succession described in each, described in each, win in succession 232 lower end respectively by lower connecting pin (not shown) and described in each vacuum interrupter insulated tension pole 11 be articulated, the two ends correspondence of described lower connecting pin is arranged in the vertical guiding elongated slot 212 of fixed guide plate described in two.
Further, refer to Fig. 2, Fig. 3, wherein described in one, on fixed guide plate 21, set firmly a ring flange 213, be provided with a bearing 214 in described ring flange, the inner correspondence of described power transmission shaft 24 wears described bearing 214.
As shown in Figure 4, separately be provided with a manual switching-off device 25, described manual switching-off device 25 comprises sheathed minute brake cam 252 and at least one sluice separating spring 253 being fixed on described separating brake main shaft 251 of a separating brake main shaft 251,, the inner of described separating brake main shaft 251 can be rotated wear two described in fixed guide plate 21, its outer end protrudes out described cabinet 1, and form a grip part 2511, described separating brake main shaft 252 is relative with the head of described main shaft 221, described minute brake cam 252, can contact corresponding to the head of described main shaft 221 when described main shaft 221 stretches out;
Described sluice separating spring 253 is set in parallel with described main shaft 221, and one end of described sluice separating spring 253 is connected with the connecting lever 242 arranging on described power transmission shaft 24, and its other end correspondence is connected on the bearing 12 of described cabinet 11 madial walls.As shown in Figure 2 and Figure 3, this sluice separating spring 253 is preferably placed at outside guide space, and axially adjacent with permanent magnet mechanism 22 along described power transmission shaft 24, both are positioned at the same side of power transmission shaft 24, when the main shaft 221 of permanent magnet mechanism 22 stretches out and drives power transmission shaft 24 to rotate, 242 of this connecting levers rotate thereupon, and this sluice separating spring 253 that stretches.Wherein, in the structure shown in Fig. 2, Fig. 3, preferably the axially spaced-apart along power transmission shaft 24 is provided with two sluice separating springs 253, to reach better result of use.
By separating brake main shaft 251 is set, divide brake cam 252 and sluice separating spring 253, when the main shaft 221 of permanent magnet mechanism 22 is because power-off is cannot separating brake action time, rotate grip part 2511, drive minute brake cam 252 to rotate, to utilize the curved-surface structure of separating brake cam 252 outlines, promote main shaft 221 replys in permanent magnet mechanism, simultaneously, when main shaft is replied, it can drive power transmission shaft 24 to rotate by double end connecting lever 241, on the one hand, the opposite direction that drives drive link 231 to reply towards main shaft 221 by double end connecting lever 241 moves, with related respectively winning in succession, 232 pull on vacuum interrupter insulated tension pole 11 and move, thereby complete separating brake operation, on the other hand, sluice separating spring 253 is under the effect of self back stretch, pull connecting lever 242, further drive power transmission shaft 24 revolutions, to guarantee separating brake action, carry out more smoothly.
Further, described manual switching-off device 25 also includes the spacing spring 254 of a separating brake, a separating brake upper limit part 255 and a separating brake lower limit part 256, the upper end of the spacing spring 254 of described separating brake and the downside of described minute brake cam 252 join, its lower end is connected in wherein described in one on fixed guide plate 21, described separating brake upper limit part 255 and separating brake lower limit part 256 be along between the described fixed guide plate 21 of being arranged on of vertical spacing, and adjacent to described minute brake cam 252 side away from described main shaft 211.When minute brake cam promotes main shaft, reply to carry out after separating brake operation, the spacing spring of this separating brake can make this minute brake cam reset, and separating brake upper limit part and separating brake lower limit part can be spacing to minute brake cam, and it is rotated within the specific limits.Wherein, in concrete enforcement, the lower end of the spacing spring 254 of this separating brake can be connected in a positioning convex column of fixed guide plate, and this separating brake upper limit part 255 and 256 of separating brake lower limit parts are welded between two fixed guide plates.
In order better to protect main shaft; prevent that it from use damaging; preferably the head at described main shaft 221 is further provided with a main connecting lever 222; one end pivot joint of described main connecting lever 222 and described double end connecting lever 241; and described minute brake cam 252, can contact corresponding to the outer surface of described main connecting lever 222 when described main shaft 221 stretches out.
Please also refer to Fig. 1, Fig. 5, the permanent-magnet operating mechanism that is built in solid insulation ring main unit the utility model proposes, is placed in the cabinet of solid insulation ring main unit, and its specific works principle is as follows:
When closing a floodgate operation, the main shaft 221 of this permanent magnet mechanism 22 stretches out (towards left side in Fig. 1), one end by double end connecting lever 241 drives power transmission shaft 24 to rotate counterclockwise, and the opposite direction (right side in Fig. 1) that the other end interlock drive link 231 by double end connecting lever 241 stretches out towards main shaft 221 is mobile, this drive link 231 drives 232 the upper end of respectively winning in succession to move thereupon, and the corresponding vacuum interrupter insulated tension pole 11 that promotes in 232 the lower end of winning in succession moves down, carry out feed motion, the concrete state after combined floodgate is referring to Fig. 5;
If desired separating brake operation, the main shaft 221 of this permanent magnet mechanism 22 is replied (right side in Fig. 5), its related double end connecting lever 241 and power transmission shaft 24 clockwise rotate, and the opposite direction (left side in Fig. 5) that drives drive link 231 to reply towards main shaft by double end connecting lever 241 is mobile, related respectively the winning in succession of drive link 231 232 moved thereupon, respectively win in succession 232 lower end pulls vacuum interrupter insulated tension pole 11 up, realizes separating brake action, and the concrete state after separating brake is referring to Fig. 1.
In addition, when "on" position, if when the utility model cannot carry out separating brake by permanent magnet mechanism because of power-off, can pass through operator manual brake-separating device 25, utilize separating brake main shaft, minute brake cam etc. to realize separating brake action, its detailed process as previously mentioned, does not repeat them here.
The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the modification of having done under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.
Claims (7)
1. be built in a permanent-magnet operating mechanism for solid insulation ring main unit, the bottom of cabinet bulk of this solid insulation ring main unit is provided with a plurality of vacuum interrupter insulated tension poles, it is characterized in that, described permanent-magnet operating mechanism comprises:
Two fixed guide plates, in the cabinet that is uprightly arranged on described solid insulation ring main unit separately, described in two, fixed guide plate is set in parallel, form a guide space between the two, described in two, the lower end correspondence of fixed guide plate is positioned at the two opposite sides of the vacuum interrupter insulated tension pole of described bottom of cabinet bulk;
Permanent magnet mechanism, is fixed on the upper end of fixed guide plate described in two, and the main shaft of described permanent magnet mechanism is described in two between fixed guide plate, and arranges in horizontal direction;
Transmission mechanism, be arranged in described guide space, comprise a drive link and a plurality of winning in succession, described drive link is adjacent to the downside of described permanent magnet mechanism, and be set in parallel with the main shaft of described permanent magnet mechanism, the interval, upper end of winning in succession described in each is articulated on described drive link, its lower end with the corresponding pivot joint of vacuum interrupter insulated tension pole described in each;
Power transmission shaft, described power transmission shaft is between the head and described drive link of described main shaft, it is inner can rotate be arranged in two described in fixed guide plate, the sheathed double end connecting lever that is fixed with on described power transmission shaft, described double end connecting lever is positioned at described guide space, the head of its one end and described main shaft is articulated, its other end is hubbed on described drive link, when described main shaft stretches out and promote described double end connecting lever and power transmission shaft rotation, the opposite direction that described double end connecting lever can drive described drive link to stretch out along described main shaft moves, make to win in succession described in each and promote vacuum interrupter insulated tension pole described in each and move down.
2. the permanent-magnet operating mechanism that is built in solid insulation ring main unit as claimed in claim 1, it is characterized in that, on described fixed guide plate, corresponding described drive link is interval with a plurality of horizontally-guided elongated slots, the upper end of winning in succession described in each and described drive link are articulated by connecting pin on respectively, and the two ends correspondence of described upper connecting pin is arranged in the horizontally-guided elongated slot of fixed guide plate described in two;
Described fixed guide plate offers respectively vertical guiding elongated slot in the position corresponding to the lower end of winning in succession described in each, the lower end of winning in succession described in each respectively by lower connecting pin and described in each vacuum interrupter insulated tension pole be articulated, the two ends correspondence of described lower connecting pin is arranged in the vertical guiding elongated slot of fixed guide plate described in two.
3. the permanent-magnet operating mechanism that is built in solid insulation ring main unit as claimed in claim 2, is characterized in that, wherein described in one, on fixed guide plate, sets firmly a ring flange, is provided with a bearing in described ring flange, and the inner correspondence of described power transmission shaft wears described bearing.
4. the permanent-magnet operating mechanism that is built in solid insulation ring main unit as described in claims 1 to 3 any one, it is characterized in that, separately be provided with a manual switching-off device, described manual switching-off device comprises a separating brake main shaft, one sheathed minute brake cam and at least one sluice separating spring being fixed on described separating brake main shaft, the inner of described separating brake main shaft can be rotated wear two described in fixed guide plate, its outer end protrudes out described cabinet, and form a grip part, described separating brake main shaft is relative with the head of described main shaft, within described minute, brake cam is when described main shaft stretches out, can contact corresponding to the head of described main shaft,
Described sluice separating spring and described main shaft are set in parallel, and one end of described sluice separating spring is connected with the connecting lever arranging on described power transmission shaft, and its other end correspondence is connected on the bearing of described cabinet madial wall.
5. the permanent-magnet operating mechanism that is built in solid insulation ring main unit as claimed in claim 4, it is characterized in that, described manual switching-off device further comprises the spacing spring of a separating brake, a separating brake upper limit part and a separating brake lower limit part, the upper end of the spacing spring of described separating brake and the downside of described minute brake cam join, its lower end is connected in wherein described in one on fixed guide plate, described separating brake upper limit part and separating brake lower limit part along vertical spacing be arranged on two described between fixed guide plate, and adjacent to described minute brake cam the side away from described main shaft.
6. the permanent-magnet operating mechanism that is built in solid insulation ring main unit as claimed in claim 5, it is characterized in that, the head of described main shaft is further provided with a main connecting lever, one end pivot joint of described main connecting lever and described double end connecting lever, and described minute brake cam, can contact corresponding to the outer surface of described main connecting lever when described main shaft stretches out.
7. the permanent-magnet operating mechanism that is built in solid insulation ring main unit as claimed in claim 1, it is characterized in that, the head of described main shaft is further provided with a main connecting lever, one end pivot joint of described main connecting lever and described double end connecting lever, and described minute brake cam, can contact corresponding to the outer surface of described main connecting lever when described main shaft stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320429514.XU CN203445049U (en) | 2013-07-18 | 2013-07-18 | Permanent-magnetism operating mechanism built in solid insulated RMU (Ring Main Unit) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320429514.XU CN203445049U (en) | 2013-07-18 | 2013-07-18 | Permanent-magnetism operating mechanism built in solid insulated RMU (Ring Main Unit) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203445049U true CN203445049U (en) | 2014-02-19 |
Family
ID=50096075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320429514.XU Expired - Lifetime CN203445049U (en) | 2013-07-18 | 2013-07-18 | Permanent-magnetism operating mechanism built in solid insulated RMU (Ring Main Unit) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203445049U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637705A (en) * | 2014-11-28 | 2015-05-20 | 深圳市安普智信电气有限公司 | Permanent magnet actuator capable of realizing electric-manual opening and closing and applied in ring main unit |
| CN105206468A (en) * | 2015-10-22 | 2015-12-30 | 林代湘 | Circuit breaker capable of conveniently adjusting opening range and contacting travel |
| CN106847607A (en) * | 2017-01-03 | 2017-06-13 | 镇江华源晋昌电器有限公司 | Breaker operator transmission mechanism |
| CN109920696A (en) * | 2019-04-24 | 2019-06-21 | 江苏洛云电力科技有限公司 | The conjuncted sealing insulation cabinet of three-phase |
-
2013
- 2013-07-18 CN CN201320429514.XU patent/CN203445049U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637705A (en) * | 2014-11-28 | 2015-05-20 | 深圳市安普智信电气有限公司 | Permanent magnet actuator capable of realizing electric-manual opening and closing and applied in ring main unit |
| CN105206468A (en) * | 2015-10-22 | 2015-12-30 | 林代湘 | Circuit breaker capable of conveniently adjusting opening range and contacting travel |
| CN106847607A (en) * | 2017-01-03 | 2017-06-13 | 镇江华源晋昌电器有限公司 | Breaker operator transmission mechanism |
| CN109920696A (en) * | 2019-04-24 | 2019-06-21 | 江苏洛云电力科技有限公司 | The conjuncted sealing insulation cabinet of three-phase |
| CN109920696B (en) * | 2019-04-24 | 2024-01-30 | 江苏洛凯机电股份有限公司 | Three-phase conjuncted solid sealed insulation cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203445049U (en) | Permanent-magnetism operating mechanism built in solid insulated RMU (Ring Main Unit) | |
| CN201956268U (en) | Indoor solid-sealed type high-voltage vacuum circuit breaker | |
| CN105336516B (en) | Transfer switch unit | |
| CN111555133B (en) | Guarantee type cubical switchboard of quick action | |
| CN107359534B (en) | Valve interlocking device special for SF6 circuit breaker | |
| CN206163975U (en) | Cubical switchboard door interlocking device and cubical switchboard | |
| CN206401210U (en) | A kind of cable chamber door and the mechanical interlocks of line-to-ground | |
| CN103441009A (en) | Breaker | |
| CN201829815U (en) | Small intelligent vacuum ring-network cabinet | |
| CN104538217B (en) | A kind of device for switching | |
| CN204270907U (en) | A kind of modified model device for switching | |
| CN202524002U (en) | Mechanical interlocking mechanism of removable switch cabinet | |
| CN103337385B (en) | Electric spring operation machine | |
| CN203312207U (en) | Electronic spring operation mechanism | |
| CN204155827U (en) | A kind of vacuum load switch | |
| CN102709083A (en) | Mining kilovolt-level double-pole single-breakpoint air isolation reversing switch | |
| CN206148356U (en) | Indoor interchange vacuum load switch | |
| CN205212308U (en) | Safety shield valve mechanism for cubical switchboard | |
| CN208077831U (en) | A kind of breaker | |
| CN204315415U (en) | A kind of vacuum circuit-breaker isolating switch and cabinet door interlock | |
| CN204834535U (en) | Full electric energy control and protection switch | |
| CN202855607U (en) | Three-position combination switch | |
| CN202678160U (en) | Mining kilovolt-level double-pole single-breakpoint air isolation reversing switch | |
| CN202712088U (en) | Rotating handle operating apparatus of circuit breaker and control box of circuit breaker | |
| CN209766345U (en) | Arc extinguishing system of direct current breaker |
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: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: DIANYAN HUAYUAN POWER TECH. CO., LTD., BEIJING Effective date: 20150205 Owner name: DIANYAN HUAYUAN POWER TECH. CO., LTD., BEIJING Effective date: 20150205 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150205 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: BEIJING DIANYAN HUAYUAN ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Address before: 100192 Beijing City, Haidian District Road No. 15 building, Huayuan Qinghe small camp Patentee before: BEIJING DIANYAN HUAYUAN ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: BEIJING NANRUI DIANYAN HUAYUAN ELECTRIC POWER TECHNOLOGY CO.,LTD. Patentee after: State Grid Corporation of China Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: BEIJING DIANYAN HUAYUAN ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Patentee before: State Grid Corporation of China |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
|
| CX01 | Expiry of patent term |