CN103762520B - Electric mobile platform for bypass work of 10 KV distribution line - Google Patents
Electric mobile platform for bypass work of 10 KV distribution line Download PDFInfo
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- CN103762520B CN103762520B CN201410059319.1A CN201410059319A CN103762520B CN 103762520 B CN103762520 B CN 103762520B CN 201410059319 A CN201410059319 A CN 201410059319A CN 103762520 B CN103762520 B CN 103762520B
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- platform
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- distribution line
- crane
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- 230000000875 corresponding Effects 0.000 claims abstract description 22
- 238000010276 construction Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 230000000630 rising Effects 0.000 description 3
- 206010069870 Device damage Diseases 0.000 description 2
- 230000002146 bilateral Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking Effects 0.000 description 2
- 230000001595 contractor effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003028 elevating Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Abstract
The invention discloses an electric mobile platform for bypass work of a 10 KV distribution line. The electric mobile platform for the bypass work of the 10 KV distribution line comprises a platform trailer, a cable reel assembly fixed to the platform trailer and a lifting platform. The cable reel assembly comprises cable reels and a support used for fixing the cable reels. The cable reels are assembled and disassembled with the support in a modularized mode. The lifting platform comprises a lifting frame and a supporting platform, wherein a load switch is fixed to the upper end of the supporting platform. The lifting frame is connected with an oil cylinder, and the oil cylinder is controlled to act to drive the lifting frame to ascend and descend so that the supporting platform can ascend and descend. The supporting platform is further provided with a corresponding bearing structure enabling the load switch to be safely placed when the load switch is in a working state or a non-working state. The integrated and mobile design idea which is convenient to carry out is adopted, devices such as the bypass load switch and a flexible cable are integrated on a mobile platform which has the lifting function, when the electric mobile platform needs to be used, rush-repair tools are used for dragging the electric mobile platform to a construction site to work, resources are effectively saved, and the application range of the bypass work is enlarged.
Description
Technical field
The present invention relates to a kind of power transmission lines overhauling job platform, job platform is built in the bypass being specifically related to a kind of 10kV line maintenance.
Background technology
By bypass operation system open 10kV distribution line do not have a power failure or the principle of power failure operation in short-term simple, safe and reliable, by equipment such as bypass load-switch, flexible cable, fast terminal and transition joints, can fast construction temporary power circuit, all kinds of upkeep operation is carried out under repair apparatus power down mode, the normal electricity consumption of each tributary user can be ensured, and ensure the person and device security, improve power supply reliability.But there is following defect in current operating system: (1) operating environment is limited.The problems such as current distribution bypass operation system ubiquity working truck is many, equipment is huge, moving switch is heavy, for the vehicular bypass operation system of current extensive use, the implement such as bypass load-switch, flexible cable is all integrated in the vehicles such as bypass type moving load switch car, bypass cable car by this system, when needs carry out operation, vehicle need be left for operation field, utilize the equipment fast construction bypath systems such as bypass cable car, load-switch automobile, until operation completes.But urban power distribution network is often in that space is crowded, the location of street canyon, and usually do not possess the condition of carrying out bypass operation, the environment of bypass operation is limited.(2) security protection difficulty.To the protection difficulty of the equipment such as on-load switch, cable joint, there is the shortcomings such as management difficulty is large, potential safety hazard is many in operation field.
Summary of the invention
The object of the present invention is to provide a kind of integrated mobile platform being equivalent to temporary power bypass, effectively economize on resources, expand the scope of application of bypass operation.
This electric moving moving platform for 10 KV distribution line bypass operations disclosed by the invention, comprise platform trailer and the cable hank assembly be fixed thereon and lifting platform, the top of lifting platform is the support platform of firm demand switch.
Described lifting platform also comprises the crane being connected to scissor-type on the downside of described support platform, the longitudinal center position of described platform trailer upper flat plate is fixed in the lower end of crane by base, the side, lower end of crane is connected with pulley, base has corresponding chute, pulley can be free to slide in chute.
Described crane is by oil cylinder as dynamical element, and the upper end of oil cylinder is fixed on crane, and lower end is fixed on described base.
Described base there is travel switch spacing when crane is drawn in.
Described support platform comprises the supporting bracket that level is fixed on described crane upper end; the upper surface of supporting bracket has the soft supporting pad for the protection of on-load switch; one end of supporting bracket is connected with backing plate; on backing plate, broad ways is fixed with rotatable rotating shaft by bearing; rotating shaft is hinged with the bedplate for firm demand switch; the back-up block when outside of rotating shaft has on-load switch upright on backing plate; fastening bolt when bedplate having on-load switch upright and limited post, supporting bracket has fastening bolt during on-load switch horizontal positioned.
Described cable hank assembly has two groups, and they are placed in longitudinal both sides of platform trailer upper flat plate; Often organize the support that cable hank assembly comprises three cable hanks and fixes them, the disk of cable hank both sides there is connecting axle overhanging vertically, flexible cable is around on the connecting rod between two disks, have bearing and corresponding bearing pedestal outside connecting axle, there is the connecting hole about connecting axle symmetry the both sides of bearing pedestal; There is the fixed head corresponding with bearing pedestal the upper end of support, fixed head there are the screw rod corresponding with connecting hole position or through hole, screw rod is through connecting hole, then be fastenedly connected by corresponding T-shaped nut, or the through hole on bearing pedestal on connecting hole and bracket fixing plate is fixed by latch, and the lower end of support and the upper flat plate of described platform trailer are detachably fixed.。
The side of described support is connected with the internal thread sleeve pipe perpendicular to described cable hank, and supporting in internal thread sleeve pipe have corresponding snap close bolt, to realize the lock function to cable hank.
The inner side of described disk is connected with the cutting ferrule for placing flexible cable and on-load switch connection end.
Described platform trailer also comprises the vehicle frame being connected to described dull and stereotyped downside, the downside of vehicle frame is connected with two groups, the front and back wheel connected by load-bearing axle, front load-bearing axle two ends between two front-wheels are fixed by bearing and vehicle frame, the two ends symmetry of this load-bearing axle is hinged with steering component, middle position free drawbar; Steering component comprises the steering spindle that outer end is connected with front-wheel, the inner is connected with front load-bearing axle, and the sidewall of steering spindle stretches out joint backward, is connected with steering linkage between the end of joint and the rear end of draw bar.
Described vehicle frame is fixed with hydraulic pump and the storage battery for its power supply.
The on-load switch and flexible cable of building bypass needs are placed on same liftable mobile platform by the present invention, rising and the decline of crane is controlled by oil cylinder, sufficiently high safe distance can be formed, effectively can solve on-load switch security protection problem, crane takes up room little when drawing in, be convenient to carrying and store.The method of current erection on-load switch mainly comprises and is suspended from electric pole by on-load switch, or use bypass load-switch automobile, the former wastes time and energy because on-load switch is heavier, operation inconvenience, and because of safe altitude inadequate, complicated safety prevention measure need be carried out to on-load switch, and the latter is owing to depending on vehicle, higher to operation field space requirement.On-load switch can be risen to the height of safe enough by remote control by this mobile platform, and simple operation is time saving and energy saving, and without the need to taking security protection to it.
When this mobile platform is provided with corresponding on-load switch operating state and non operating state time safe displacement structure.Be in erectility during on-load switch work, the support platform of crane upper end is provided with the bracing frame be made up of rotating shaft, bedplate and supporting pad, fastening bolt, firm with guaranteed load switch.When on-load switch is in non operating state, by rotating shaft, on-load switch is put in supporting bracket, simultaneously by soft supporting pad and fastening bolt fastening.
In order to safety features, the mounting seat bottom crane is provided with travel switch as automatic protection blocking device.When crane drops to certain altitude, this locking device meeting trigger protection signal, this signal makes oil cylinder stop contractive action immediately, prevents from not observing position in decline process because of staff, causes the excessive gathering of crane, causes the problem of device damage.
Cable hank assembly realizes modularization assembling, easy accessibility.Each cable hank is independently installed on support, fixes, need not can complete being fixedly connected with between cable hank with support by external tool respectively by T-shaped nut or latch and support.Each cable hank can be pulled down from support efficiently when not using, deposit in qualified storehouse.Support is fixed by bolt and platform trailer, and dismounting is also very convenient.Improve fail safe and save parking space.
The course changing control of platform trailer adopts steering geometry, using draw bar as steering operation bar.Draw bar is equivalent to pitman arm, its bilateral symmetry is connected with steering spindle and steering linkage, when front tows the vehicle changing Lane of mobile platform or turns, the Impact direction of draw bar changes, produce rotating torque, this moment is passed to front-wheel steer axle by left and right steering linkage, completes the go to action of vehicle.
A lot of events in operation only need to build small-sized bypass, do not need large-scale cloth cable car to provide a large amount of flexible cable.As from the interim power taking of overhead transmission line to ring main unit supply project, required cable only has tens meters, in this case, the present invention completes bypass operation with regard to main equipments such as alternative cloth cable cars, greatly can increase flexibility, use manpower and material resources sparingly cost, increases work efficiency.Integration Design of the present invention overcome prior art because working truck is many, equipment is huge can not adapt to that urban power distribution network space is crowded, the construction operation environment of street canyon.
In sum, the present invention adopts the mentality of designing of integrated, mobile, facilitation, by the integration of equipments such as bypass load-switch, flexible cable on the mobile platform with elevating function, when needs use, utilize the drag and drop of repairing Work tool can start working to job site, effectively economize on resources, expand the scope of application of bypass operation.
Accompanying drawing explanation
Fig. 1 is schematic front view of the present invention.
Fig. 2 is Fig. 1 perspective view of the present invention.
Fig. 3 is that A in Fig. 1 is to structural representation.
Fig. 4 is the structural representation of cable hank assembly in Fig. 1.
Fig. 5 is the main TV structure schematic diagram of hoistable platform in Fig. 1.
Fig. 6 is the perspective view of hoistable platform in Fig. 1.
Embodiment
As shown in Figures 1 to 6, this electric moving moving platform for 10 KV distribution line bypass operations disclosed by the invention, comprises platform trailer 1, cable hank assembly 2 and lifting platform 3.Cable hank assembly 2 comprises the support 22 of cable hank 21 and attached cable dish 21, support 22 is fixed on flat board 11 upper surface of platform trailer 1, lifting platform 3 comprises crane 31 and is fixed thereon the support platform 32 of end, and on-load switch 4 is fixed in this support platform 32.
Platform trailer 1 also comprises the vehicle frame 12 be connected on the downside of in the of dull and stereotyped 11, the downside of vehicle frame 12 is connected with two groups, the front and back wheel connected by load-bearing axle, front load-bearing axle 14 two ends between two front-wheels 13 are fixed by bearing and vehicle frame 12, the two ends symmetry of this load-bearing axle is hinged with steering component, middle position free drawbar 16; Steering component comprises the steering spindle 17 that outer end is connected with front-wheel 13, the inner is connected with front load-bearing axle 14, and the sidewall of steering spindle 17 stretches out joint 171 backward, is connected with steering linkage 18 between the end of joint 171 and the rear end of draw bar 16.Vehicle frame 12 is fixed with hydraulic pump 15 and the storage battery 19 for its power supply.
Cable hank assembly 2 has two groups, and they are placed in longitudinal both sides of platform trailer 1 upper flat plate 11.Often organize cable hank assembly 2 and comprise three cable hanks 21 be fixed on support 22, the disk 211 of cable hank 21 both sides there is connecting axle 212 overhanging vertically, flexible cable is around on the connecting rod 215 between two disks 211, have bearing 213 and corresponding bearing pedestal 214 outside connecting axle 212, there is the connecting hole about connecting axle 212 symmetry the both sides of bearing pedestal 214.There is the fixed head 221 corresponding with bearing pedestal 214 upper end of support 22, and fixed head 221 has the screw rod corresponding with connecting hole position, and screw rod, through connecting hole, is then fastenedly connected by corresponding T-shaped nut 23.The side of support 22 is connected with the internal thread sleeve pipe 24 perpendicular to cable hank 21, and supporting in internal thread sleeve pipe 24 have corresponding snap close bolt 25.When tightening snap close bolt 25, cable hank 2 is locked can not in rotation, and suitable adjusting elasticity degree, also can control the unfolding speed of flexible cable.The inner side of disk 211 is connected with the cutting ferrule 26 for placing flexible cable and on-load switch 4 connection end.
Crane 31 is scissors type elevating frame, and the longitudinal center position of dull and stereotyped 11 is fixed on by base 33 in its lower end, and the side, lower end of crane 31 is connected with pulley 311, base 33 has corresponding chute 331, and pulley 311 can be free to slide in chute 331.Crane 31 is by oil cylinder 34 as dynamical element, and the upper end of oil cylinder 34 is fixed on crane 31, and lower end is fixed on base 33.Base 33 there is travel switch 35 spacing when crane 31 is drawn in.Support platform 32 comprises the supporting bracket 321 that level is fixed on crane 31 upper end, the upper surface of supporting bracket 321 has the soft supporting pad 322 for the protection of on-load switch 4, one end of supporting bracket 321 is connected with backing plate 323, on backing plate 323, broad ways is fixed with rotatable rotating shaft 325 by bearing 324, rotating shaft 325 is hinged with the bedplate 326 for firm demand switch 4, back-up block 327 when the outside of rotating shaft 325 has on-load switch 4 upright on backing plate 323, fastening bolt 328 when bedplate 326 having on-load switch 4 upright and limited post 329, supporting bracket 321 there is the fastening bolt 328 during on-load switch 4 horizontal positioned.
The fixed head 221 of support 22 upper end can also process through hole corresponding with the connecting hole on bearing pedestal 214, be fixed by latch between the two.
Operation principle of the present invention is as follows:
The on-load switch 4 and flexible cable of building bypass needs are placed on same liftable mobile platform, rising and the decline of crane 31 is controlled by oil cylinder 34, sufficiently high safe distance can be formed, effectively can solve the security protection problem of on-load switch 4, crane 31 takes up room little when drawing in, be convenient to carrying and store.When support platform 32 is provided with corresponding on-load switch 4 operating state and non operating state time safe displacement structure.On-load switch 4 is in erectility when working, and the support platform 32 of crane 31 upper end is provided with the bracing frame be made up of rotating shaft 325, bedplate 326 and back-up block 327, fastening bolt 328, firm with guaranteed load switch 4.When on-load switch 4 is in non operating state, by rotating shaft 325, on-load switch 4 is put in supporting bracket 321, simultaneously by soft supporting pad 322 and fastening bolt 328 fastening.
The lifting of crane 31 adopts hydraulic driving mode, powers to hydraulic pump 15 by storage battery 19, and the day mouth of going out of hydraulic pump 15 is communicated with fuel tank with oil cylinder 34 respectively by oil pipe, by rising or the decline of the piston rod drive crane 31 of oil cylinder 34.The start and stop of hydraulic pump 15 can adopt the remote controller of power protection key to control, and storage battery 19 completes and once charges, and can carry out repeatedly bypass operation, without the need to external power supply to its powered operation, reduce the operations such as field connection, simple to operation.
In order to safety features, the mounting seat 33 bottom crane 31 is provided with travel switch 35 as automatic protection blocking device.When crane 31 drops to certain altitude; this locking device meeting trigger protection signal, this signal makes oil cylinder 34 stop contractive action immediately, prevents in decline process because staff does not observe position; cause the excessive gathering of crane 31, cause the problem of device damage.
Cable hank assembly 2 realizes modularization assembling, easy accessibility.Each cable hank 21 is independently installed on support 22, fixes, need not can complete being fixedly connected with between cable hank 21 with support 22 by external tool respectively by T-shaped nut 23 or latch and support.Each cable hank 21 can be pulled down from support 22 efficiently when not using, deposit in qualified storehouse.Support 22 is fixed by bolt and platform trailer 1, and dismounting is also very convenient.Improve fail safe and save parking space.
The course changing control of platform trailer 1 adopts steering geometry, using draw bar 16 as steering operation bar.Draw bar 16 is equivalent to pitman arm, its bilateral symmetry is connected with steering spindle 17 and steering linkage 18, when front tows the vehicle changing Lane of mobile platform or turns, the Impact direction of draw bar 16 changes, produce rotating torque, this moment is passed to the steering spindle 17 of front-wheel 13 connection by the steering linkage 18 of left and right side, completes the go to action of mobile platform.
During use, only need the mobile platform being integrated with the on-load switch and flexible cable of building bypass needs be towed to correct position, combination switch is arranged on erectility, and the height then making hydraulic oil cylinder driving support platform rise to needs by remote control can start power operation.Use the decline of rear control crane to draw in, on-load switch is set to level, cable hank is pulled down from support separately and is stored in storehouse.
Claims (9)
1. the electric moving moving platform for 10 KV distribution line bypass operations, it is characterized in that: this mobile platform comprises platform trailer and the cable hank assembly be fixed on its flat board and lifting platform, and the top of lifting platform is the support platform of firm demand switch; Platform trailer also comprises the vehicle frame being connected to its dull and stereotyped downside, and the downside of vehicle frame is connected with two groups, the front and back wheel connected by load-bearing axle, and the front load-bearing axle two ends between two front-wheels are fixed by bearing and vehicle frame, should
beforethe two ends symmetry of load-bearing axle is hinged with steering component, middle position free drawbar; Steering component comprises the steering spindle that outer end is connected with front-wheel, the inner is connected with front load-bearing axle, and the sidewall of steering spindle stretches out joint backward, is connected with steering linkage between the end of joint and the rear end of draw bar.
2. as claimed in claim 1 for the electric moving moving platform of 10 KV distribution line bypass operations, it is characterized in that: described lifting platform also comprises the crane being connected to scissor-type on the downside of described support platform, the longitudinal center position of described platform trailer upper flat plate is fixed in the lower end of crane by base, the side, lower end of crane is connected with pulley, base has corresponding chute, pulley can be free to slide in chute.
3., as claimed in claim 2 for the electric moving moving platform of 10 KV distribution line bypass operations, it is characterized in that: described crane is by oil cylinder as dynamical element, and the upper end of oil cylinder is fixed on crane, and lower end is fixed on described base.
4., as claimed in claim 2 for the electric moving moving platform of 10 KV distribution line bypass operations, it is characterized in that: described base has travel switch spacing when crane is drawn in.
5. as claimed in claim 2 for the electric moving moving platform of 10 KV distribution line bypass operations, it is characterized in that: described support platform comprises the supporting bracket that level is fixed on described crane upper end, the upper surface of supporting bracket has the soft supporting pad for the protection of on-load switch, one end of supporting bracket is connected with backing plate, on backing plate, broad ways is fixed with rotatable rotating shaft by bearing, rotating shaft is hinged with the bedplate for firm demand switch, the back-up block when outside of rotating shaft has on-load switch upright on backing plate, fastening bolt when bedplate having on-load switch upright and limited post, supporting bracket there is fastening bolt during on-load switch horizontal positioned.
6. as claimed in claim 2 for the electric moving moving platform of 10 KV distribution line bypass operations, it is characterized in that: described cable hank assembly has two groups, they are placed in longitudinal both sides of platform trailer upper flat plate; Often organize the support that cable hank assembly comprises three cable hanks and fixes them, the disk of cable hank both sides there is connecting axle overhanging vertically, flexible cable is around on the connecting rod between two disks, have bearing and corresponding bearing pedestal outside connecting axle, there is the connecting hole about connecting axle symmetry the both sides of bearing pedestal; There is the fixed head corresponding with bearing pedestal the upper end of support, fixed head there are the screw rod corresponding with connecting hole position or through hole, screw rod is through connecting hole, then be fastenedly connected by corresponding T-shaped nut, or the through hole on bearing pedestal on connecting hole and bracket fixing plate is fixed by latch, and the lower end of support and the upper flat plate of described platform trailer are detachably fixed.
7., as claimed in claim 6 for the electric moving moving platform of 10 KV distribution line bypass operations, it is characterized in that: the side of described support is connected with the internal thread sleeve pipe perpendicular to described cable hank, supporting in internal thread sleeve pipe have corresponding snap close bolt.
8., as claimed in claim 6 for the electric moving moving platform of 10 KV distribution line bypass operations, it is characterized in that: the inner side of described disk is connected with the cutting ferrule for placing flexible cable and on-load switch connection end.
9. as claimed in claim 1 for the electric moving moving platform of 10 KV distribution line bypass operations, it is characterized in that: described vehicle frame is fixed with hydraulic pump and the storage battery for its power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059319.1A CN103762520B (en) | 2014-02-21 | 2014-02-21 | Electric mobile platform for bypass work of 10 KV distribution line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059319.1A CN103762520B (en) | 2014-02-21 | 2014-02-21 | Electric mobile platform for bypass work of 10 KV distribution line |
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| CN103762520A CN103762520A (en) | 2014-04-30 |
| CN103762520B true CN103762520B (en) | 2015-03-11 |
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| CN201410059319.1A CN103762520B (en) | 2014-02-21 | 2014-02-21 | Electric mobile platform for bypass work of 10 KV distribution line |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377594B (en) * | 2014-11-26 | 2018-06-12 | 国网河南安阳县供电公司 | A kind of connection emergency car that has a power failure |
| CN104377623A (en) * | 2014-11-27 | 2015-02-25 | 国家电网公司 | Vehicle-mouthed overhead cable layout device |
| CN104868398B (en) * | 2015-05-22 | 2017-10-17 | 国网江苏省电力公司常州供电公司 | The built on stilts laying street crossing device of 10KV bypass cables |
| CN105337211B (en) * | 2015-11-20 | 2017-08-25 | 国家电网公司 | A kind of livewire work operating desk for possessing remote command function |
| CN105645322A (en) * | 2016-02-25 | 2016-06-08 | 国网山东省电力公司章丘市供电公司 | Intelligent lifting platform for electricity maintenance and using method thereof |
| CN106006464A (en) * | 2016-08-03 | 2016-10-12 | 钦州学院 | Platform car based on flexible lifting and handling of ball screws |
| CN106711856A (en) * | 2017-02-21 | 2017-05-24 | 国网山东省电力公司电力科学研究院 | Combined type small-size mobile platform for bypass operation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2124900U (en) * | 1992-05-15 | 1992-12-16 | 李文清 | Improved structure platform lift |
| GB0719106D0 (en) * | 2007-10-02 | 2007-11-14 | Uk Lift Company The Ltd | Scissor lift |
| CN202440272U (en) * | 2011-12-09 | 2012-09-19 | 河北首钢燕郊机械有限责任公司 | Steel ladle and iron ladle lifting platform for bricklaying |
| CN202423958U (en) * | 2012-01-17 | 2012-09-05 | 浙江省电力设计院 | Extra-high voltage movable inspection earthing switch device |
| CN202495707U (en) * | 2012-02-17 | 2012-10-17 | 中铁五局集团电务工程有限责任公司 | Wire erection overhead working truck used in railway contact net |
| CN203800474U (en) * | 2014-02-21 | 2014-08-27 | 国网湖南省电力公司带电作业中心 | Electric mobile platform used for 10kV power distribution line bypass operation |
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Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: LIVE WORKING CENTER OF STATE GRID HUNAN ELECTRIC POWER COMPANY Effective date: 20150421 Owner name: LIVE WORKING CENTER OF STATE GRID HUNAN ELECTRIC P Effective date: 20150421 |
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Inventor after: Liu Xiaqing Inventor after: Ren Chengxian Inventor after: Zhu Liang Inventor after: Zou Dehua Inventor after: Niu Jie Inventor after: Tang Xiaodong Inventor after: He Zhijun Inventor after: Zhuang Yan Inventor after: Zheng Kequan Inventor before: Liu Xiaqing Inventor before: Tang Xiaodong Inventor before: He Zhijun Inventor before: Zheng Wan Inventor before: Qin Changzhong Inventor before: Zhuang Yan Inventor before: Zheng Kequan |
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Effective date of registration: 20150421 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Guo Wang Hunan Province Utilities Electric Co. live line working center Patentee after: State Grid Hunan Electric Power Company Address before: 410100 Hunan province Changsha City Economic Development Zone Li Xiang Road No. 8 Patentee before: Guo Wang Hunan Province Utilities Electric Co. live line working center |
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Free format text: CORRECT: ADDRESS; FROM: 410100 CHANGSHA, HUNAN PROVINCE TO: 100031 XICHENG, BEIJING Free format text: CORRECT: INVENTOR; FROM: LIU XIAQING TANG XIAODONG HE ZHIJUN ZHENG WAN QIN CHANGZHONG ZHUANG YAN ZHENG KEQUAN TO: LIU XIAQING REN CHENGXIAN ZHU LIANG ZOU DEHUA NIU JIE TANG XIAODONG HE ZHIJUN ZHUANG YAN ZHENG KEQUAN |