CN105157863A - Hand-controlled clamping temperature probe installing device - Google Patents
Hand-controlled clamping temperature probe installing device Download PDFInfo
- Publication number
- CN105157863A CN105157863A CN201510433170.3A CN201510433170A CN105157863A CN 105157863 A CN105157863 A CN 105157863A CN 201510433170 A CN201510433170 A CN 201510433170A CN 105157863 A CN105157863 A CN 105157863A
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- Prior art keywords
- temp probe
- bearing pin
- angle
- clasped
- manual
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- 239000000523 sample Substances 0.000 title claims abstract description 52
- 230000000694 effects Effects 0.000 claims abstract description 6
- 210000000078 claw Anatomy 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000013021 overheating Methods 0.000 abstract description 3
- 230000004927 fusion Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Abstract
Provided is a hand-controlled clamping temperature probe installing device which comprises a clamp installed on a temperature probe and an installer in cooperation with the clamp and used for clamping the clamp to an apparatus to be tested. The clamp comprises a first corner-shaped support and a second corner-shaped support which are connected through an articulated shaft and a torsion spring sleeving the articulated shaft. One end of the first corner-shaped support is connected with the bottom of a temperature probe housing through a first pin roll. The clamp and the installer are provided with an assembled buffer mechanism for preventing the second corner-shaped support from being rapidly released under the effect of the torsion spring. The hand-controlled clamping temperature probe installing device is easy to use and capable of firmly installing the temperature probe on a heated position of a power apparatus or connector in order to monitor the temperature of the apparatus or connector in real time, perform timely repair according to measured temperature, and prevent apparatus burnout and connector fusion accidents caused by overheating.
Description
Technical field
The present invention relates to technical field of power systems, particularly a kind of servicing unit for installing temp probe.
Background technology
Electrical equipment in electric system is due to reasons such as contact resistance increase, large loads after own resistance itself, ageing equipment, oxidation, and overheating defect can occur for equipment or joint when a flow of electric current is passed through it, can cause equipment burnout and joint welding time serious.Therefore, need to carry out temperature monitoring to the equipment run and joint, especially when summer high temperature large load, thermometric is just more frequent.
Mostly be manually to carry infrared thermometer to field measurement to the measurement of equipment or joint temperature at present, after thermometric terminates, again according to the situation of distinct device, except serious overheated time need to have a power failure immediately except process, for can the equipment that runs in short-term of overheated continuation or joint, the overheating defect of discovery reports by thermometric personnel, then preferentially eliminates the high equipment of overtemperature or joint in conjunction with power failure plan again.But, measured temperature is for being a certain moment temperature, and due to the difference of day part part throttle characteristics in a day, overtemperature is also change, therefore there will be surveyed overheated not serious at that time, and to the accident seriously occurring equipment burnout and joint welding overheated during load peak.Therefore, the thermometric personnel later stage need drive again to follow the tracks of repetition measurement to overheated place, at substantial manpower and materials, and whole heat spot can not be covered due to many, the tracking repetition measurement of great distance to overheated place of standing, cannot effectively monitor especially for the joint on ultra-high-tension power transmission line simultaneously.In addition, when Devices to test position is higher or be in charging operation high-tension apparatus place, then manual installation temp probe cannot be adopted.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of easy to use, erecting device that temperature probe can be fixedly mounted in power equipment or joint is provided, Real-Time Monitoring can be carried out to the temperature of equipment or joint, accomplish to carry out maintenance process in time by measured temperature, avoid the generation of equipment burnout and joint melting accident.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows.
Manual Clasped temp probe erecting device, comprises the clip that is arranged on temp probe and matches with clip for clip being clamped in the erector on Devices to test; Described clip comprises the first angle-style support and the second angle-style support, and the first angle-style support is connected with the torsion spring be sleeved on jointed shaft by jointed shaft with the second angle-style support, and the first pinned connection is passed through in the bottom of temp probe shell in one end of the first angle-style support; Described clip with erector is provided with the slow action mechanism for preventing the release fast under torsion spring effect of the second angle-style support equipped mutually.
Above-mentioned manual Clasped temp probe erecting device, described first angle-style support comprises the first horizon bar and the first vertical rod that two covers are oppositely arranged, the first pinned connection is passed through in the bottom of temp probe shell in the outer end of two first horizon bars, the intersection of the first horizon bar and the first vertical rod is by the second pinned connection, and jointed shaft is hinged on the lower end of two first vertical rods.
Above-mentioned manual Clasped temp probe erecting device, described second angle-style support comprises the second horizon bar and the second vertical rod that two covers are oppositely arranged, the outer end of two second horizon bars is by the 4th pinned connection, the intersection of the second horizon bar and the second vertical rod is by the 3rd pinned connection, and jointed shaft is hinged on the upper end of two second vertical rods and hinged two first vertical rods; One end of described torsion spring is connected on the second bearing pin, and the other end of torsion spring is connected on the 3rd bearing pin.
Above-mentioned manual Clasped temp probe erecting device, the 4th bearing pin of described second angle-style support is set with buffering sleeve.
Above-mentioned manual Clasped temp probe erecting device, described erector comprises base, and the both sides of base are provided with the two pieces of collateral faggings paralleled, and the top of two pieces of collateral faggings is connected by top board; Top between two pieces of collateral faggings is provided with the buckle for straining clip second bearing pin.
Above-mentioned manual Clasped temp probe erecting device, described collateral fagging is provided with vertical slideway, be fitted with the slide block slided up and down in slideway in slideway, be fixedly connected with by cross bar between two pieces of slide blocks, described buckle is bolted on the top end face of cross bar.
Above-mentioned manual Clasped temp probe erecting device, described buckle comprises the horizontal part connected as one and the arc sections be bent upwards, and horizontal part is bolted on the top end face of cross bar, and arc sections stretches out outside fastening second bearing pin of cross bar.
Above-mentioned manual Clasped temp probe erecting device, described erector also comprises insulating bar, is provided with the pin-and-hole on equipped insulating bar top in the middle part of the bottom surface of described erector base.
Above-mentioned manual Clasped temp probe erecting device, described slow action mechanism comprises operating grip, connecting rod, ratchet and claw, and described ratchet is fixedly mounted on the jointed shaft of clip; Described claw becomes Π font structure, and two latches of claw are stuck between the ratchet of ratchet, claw connect latch web member in the middle part of by hinge in the side back up pad of erector; Described connecting rod to be arranged in insulating bar and to reach erector base, and the top of connecting rod is by the upper end of hinge at claw web member; Described operating grip be arranged on insulating bar Handheld Division and by bearing pin and connecting rod bottom hinged.
Above-mentioned manual Clasped temp probe erecting device, described operating grip and insulating bar form an angle and arrange, one end of operating grip is stretched in insulating bar inner chamber by the through hole be arranged on insulating bar sidewall, be positioned at the bottom of insulating bar by bearing pin and rod hinge connection, the top outside insulating bar and be provided with the back-moving spring of reset operation handle between insulating bar outer wall.
Owing to have employed above technical scheme, the invention technological progress is as follows.
Application of the present invention, temp probe can be arranged on like a cork the overheated place of power equipment or joint, make to become accurate and timely to the measurement of power equipment or joint overheated place temperature, be convenient to operating personnel and carry out maintenance process rapidly according to actual monitoring temperature, effectively prevent the generation causing the electric power accident such as equipment burnout or joint melting because overheated place temperature is too high, improve power supply reliability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is erector of the present invention and clip structural representation when matching;
Fig. 3 is the structural representation of slow action mechanism of the present invention;
Fig. 4 is the side view of clip of the present invention;
Fig. 5 is the view that temp probe is installed on joint to be measured.
In figure, each label is expressed as: 1. temp probe, 2. clip, 21. first angle-style supports, 211. first bearing pins, 212. second bearing pins, 22. second angle-style supports, 221. the 3rd bearing pins, 222. the 4th bearing pins, 223. buffering sleeves, 23. jointed shafts, 24. torsion springs, 3. erector, 31. bases, 32. collateral faggings, 321. projections, 34. top boards, 35. buckles, 36. slideways, 37. slide blocks, 38. insulating bars, 381. operating grips, 382. connecting rods, 383. ratchet, 384. back-moving springs, 385. claws, 5. joint to be measured.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
Manual Clasped temp probe erecting device, its structure as shown in Figure 1, comprises the clip 2 and erector 3 that match, and one end of clip 2 is arranged on temp probe 1, and temp probe 1 is clamped on Devices to test by erector 3 by clip 2, as shown in Figure 5.
The structure of clip 2 of the present invention as shown in Figure 2 and Figure 4, comprises the first angle-style support 21 and the second angle-style support 22, first angle-style support 21 is connected with torsion spring 24 by jointed shaft 23 with the second angle-style support 22.
First angle-style support 21 comprises the first horizon bar and the first vertical rod that two covers are oppositely arranged, the outer end of two first horizon bars is connected to the bottom of temp probe shell by the first bearing pin 211, first horizon bar is connected by the second bearing pin 212 with the intersection of the first vertical rod, and jointed shaft 23 is hinged on the lower end of two first vertical rods.
Second angle-style support 22 comprises the second horizon bar and the second vertical rod that two covers are oppositely arranged, the outer end of two second horizon bars is connected by the 4th bearing pin 222, second horizon bar is connected by the 3rd bearing pin 221 with the intersection of the second vertical rod, and jointed shaft 23 is hinged on the upper end of two second vertical rods and hinged two first vertical rods.One end of torsion spring is connected on the second bearing pin 212, and the other end of torsion spring is connected on the 3rd bearing pin 221.In the present embodiment, the 4th bearing pin 222 of the second angle-style support 22 is set with buffering sleeve 223, plays buffer action, prevent in clip clamping process because the acting force of torsion spring damages temp probe or Devices to test.
The structure of erector 3 as depicted in figs. 1 and 2, comprises base 31, and the top that the both sides of base are provided with two pieces of collateral faggings, 32, the two pieces of collateral faggings 32 paralleled is connected by top board 34.
Collateral fagging 32 is provided with vertical slideway 36, is fitted with slide block 37 in slideway 36, slide block 37 can slide up and down in slideway, is fixedly connected with between two pieces of slide blocks 37 by cross bar; The top end face of cross bar is bolted and is provided with buckle 35, for straining the second bearing pin 212 of clip.Slideway 36 and slide block 37 are for automatically adjusting, so that erector can complete installation and removal operation smoothly according to the first angle-style support of clip and the position at the second angle-style support place.
Buckle 35 comprises the horizontal part connected as one and the arc sections be bent upwards, and horizontal part is bolted on the top end face of cross bar, and arc sections stretches out outside fastening second bearing pin 212 of cross bar.
In the present invention, erector 3 also comprises insulating bar 38, so that temp probe to be arranged on Devices to test or the joint of higher position, effectively ensure that the safety of operating personnel.Erector base 31 is provided with pin-and-hole 313, the top of insulating bar is fitted in pin-and-hole 313 and locates.
Clip of the present invention and erector 3 are also provided with slow action mechanism, realizing slow releasing for controlling the second angle-style support, causing when rapidly temp probe being installed on Devices to test or joint under the effect at torsion spring after preventing the baffle plate release of the second angle-style support on mounted device base and the phenomenon of temp probe or Devices to test serious impact is occurred.
The structure of slow action mechanism as shown in Figure 3, comprises operating grip 381, connecting rod 382, ratchet 383 and claw 385.Ratchet 383 is fixedly mounted on the first jointed shaft 23 of clip; Claw 385 one-tenth Π font structure, two latches of claw are stuck between the ratchet of ratchet, claw connect latch web member in the middle part of by hinge in the side back up pad of erector; Ratchet on ratchet is complied with ratchet release direction arc and is arranged, the first latch above claw is positioned at rests on the arc back of ratchet when stationary state, the second latch below claw is positioned at is stuck in the curved arc of ratchet when stationary state, the ratchet of ratchet adopt this kind of structure to ensure when stationary state, claw reliably can clamp ratchet, can ensure that again ratchet discharges by claw smoothly when ratchet discharges.Connecting rod 382 is arranged in insulating bar 38, and reaches erector base, and the top of connecting rod 382 is by the upper end of hinge at claw web member; Operating grip 381 is arranged on the Handheld Division of insulating bar 38, operating grip 381 and insulating bar 38 form an angle and arrange, one end of operating grip 381 is stretched in insulating bar inner chamber by the through hole be arranged on insulating bar sidewall, be positioned at the bottom of insulating bar 38 by bearing pin and rod hinge connection, the top outside insulating bar 38 and be provided with back-moving spring 384 between insulating bar 38 outer wall.
Using method of the present invention is as described below.
First, by the outer casing bottom of the first angle-style support installing of clip at temp probe; Secondly, according to the height of Devices to test will installing temp probe, select the insulating bar of appropriate length, and insulating bar is arranged in the base of erector; Then, the second bearing pin 212 of clip and buffering sleeve 223 are pulled to the side away from temp probe, and the buckle 35 of erector is inserted in the second bearing pin of the first angle-style support, the first angle-style support and the second angle-style support are pulled open; Although now there is torsion spring to produce restoring force to the second angle-style support, due to the setting of slow action mechanism, the second angle-style support release can be stoped.
When behind overheated place temp probe being placed on Devices to test, operating personnel's holding operation handle, operating grip is to operate the sidewall of insulating bar for the strong point, the bottom being positioned at insulating bar moves downward, thus drivening rod moves downward, pull the upper end of claw to move downward while connecting rod moves downward, superposed first latch of claw is separated with the ratchet of ratchet, a ratchet thus release ratchet is passed by; Second latch of claw is stuck between the next pawl teeth of ratchet, with the generation preventing ratchet from once discharging complete phenomenon in the effect of torsion spring simultaneously.Along with operating personnel is to the release of operating grip, operating grip resets under the effect of back-moving spring, and the bottom being positioned at insulating bar moves upward, and drivening rod also moves upward, claw returns to virgin state, again realizes the prevention resetted to the second angle-style support.
Repeat to grip and relief lever, the slow releasing of the second angle-style support can be completed, thus temp probe slowly can be installed on Devices to test or joint securely.
In the present invention, the movement travel of connecting rod is that the top of operating grip is apart from the distance between insulating bar, also the distance that namely claw rotates under connecting rod drives also is the distance between the top distance insulating bar of operating grip, because connecting rod is solid material, therefore operating personnel in operation claw there will not be slippage phenomenon, namely connecting rod can realize carrying out spacing to the movement travel of claw.
Claims (10)
1. manual Clasped temp probe erecting device, is characterized in that: comprise the clip (2) that is arranged on temp probe (1) and match with clip for clip being clamped in the erector (3) on Devices to test; Described clip (2) comprises the first angle-style support (21) and the second angle-style support (22), first angle-style support (21) is connected with the torsion spring (24) be sleeved on jointed shaft (23) by jointed shaft (23) with the second angle-style support (22), and one end of the first angle-style support (22) is connected to the bottom of temp probe shell by the first bearing pin (211); Described clip with erector is provided with the slow action mechanism for preventing the release fast under torsion spring effect of the second angle-style support equipped mutually.
2. manual Clasped temp probe erecting device according to claim 1, it is characterized in that: described first angle-style support (21) comprises the first horizon bar and the first vertical rod that two covers are oppositely arranged, the outer end of two first horizon bars is connected to the bottom of temp probe shell by the first bearing pin (211), first horizon bar is connected by the second bearing pin (212) with the intersection of the first vertical rod, and jointed shaft (23) is hinged on the lower end of two first vertical rods.
3. manual Clasped temp probe erecting device according to claim 2, it is characterized in that: described second angle-style support (22) comprises the second horizon bar and the second vertical rod that two covers are oppositely arranged, the outer end of two second horizon bars is connected by the 4th bearing pin (222), the intersection of the second horizon bar and the second vertical rod is connected by the 3rd bearing pin (221), and jointed shaft (23) is hinged on the upper end of two second vertical rods and hinged two first vertical rods; One end of described torsion spring is connected on the second bearing pin (212), and the other end of torsion spring is connected on the 3rd bearing pin (221).
4. manual Clasped temp probe erecting device according to claim 3, is characterized in that: the 4th bearing pin (222) of described second angle-style support (22) is set with buffering sleeve (223).
5. manual Clasped temp probe erecting device according to claim 3, it is characterized in that: described erector (3) comprises base (31), the both sides of base are provided with the two pieces of collateral faggings (32) paralleled, and the top of two pieces of collateral faggings (32) is connected by top board (34); Top between two pieces of collateral faggings (32) is provided with the buckle (35) for straining clip second bearing pin (212).
6. manual Clasped temp probe erecting device according to claim 5, it is characterized in that: described collateral fagging (32) is provided with vertical slideway (36), the slide block (37) slided up and down in slideway is fitted with in slideway (36), be fixedly connected with by cross bar between two pieces of slide blocks (37), described buckle (35) is bolted on the top end face of cross bar.
7. manual Clasped temp probe erecting device according to claim 6, it is characterized in that: described buckle (35) comprises the horizontal part connected as one and the arc sections be bent upwards, horizontal part is bolted on the top end face of cross bar, and arc sections stretches out the outside fastening second bearing pin (212) of cross bar.
8. the manual Clasped temp probe erecting device according to any one of claim 5 to 7, it is characterized in that: described erector (3) also comprises insulating bar (38), in the middle part of the bottom surface of described erector base (31), be provided with the pin-and-hole (313) on equipped insulating bar top.
9. manual Clasped temp probe erecting device according to claim 8, it is characterized in that: described slow action mechanism comprises operating grip (381), connecting rod (382), ratchet (383) and claw (385), described ratchet (383) is fixedly mounted on the jointed shaft (23) of clip; Described claw (385) becomes Π font structure, and two latches of claw are stuck between the ratchet of ratchet, in the middle part of the web member that claw connects latch by hinge in the side back up pad of erector; Described connecting rod (382) to be arranged in insulating bar (38) and to reach erector base, and the top of connecting rod (382) is by the upper end of hinge at claw web member; Described operating grip (381) be arranged on insulating bar (38) Handheld Division and by bearing pin and connecting rod bottom hinged.
10. manual Clasped temp probe erecting device according to claim 9, it is characterized in that: described operating grip (381) and insulating bar (38) form an angle and arrange, one end of operating grip (381) is stretched in insulating bar inner chamber by the through hole be arranged on insulating bar sidewall, the bottom being positioned at insulating bar (38), by bearing pin and rod hinge connection, is positioned at the back-moving spring (384) being provided with reset operation handle between the outer top of insulating bar (38) and insulating bar (38) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433170.3A CN105157863A (en) | 2015-07-22 | 2015-07-22 | Hand-controlled clamping temperature probe installing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433170.3A CN105157863A (en) | 2015-07-22 | 2015-07-22 | Hand-controlled clamping temperature probe installing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105157863A true CN105157863A (en) | 2015-12-16 |
Family
ID=54798801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510433170.3A Pending CN105157863A (en) | 2015-07-22 | 2015-07-22 | Hand-controlled clamping temperature probe installing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105157863A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238486A (en) * | 2018-07-26 | 2019-01-18 | 郑州泰恩科技有限公司 | A kind of high-voltage board thermometric auxiliary fixing device |
| CN112731078A (en) * | 2020-12-21 | 2021-04-30 | 国家电网有限公司 | Electrified detection auxiliary device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2038488A5 (en) * | 1969-03-17 | 1971-01-08 | Buchungsmaschinenwerk | |
| JPH078393A (en) * | 1993-06-25 | 1995-01-13 | Tokyo Gas Co Ltd | Lift type temperature sensor device for grill |
| JP2000027886A (en) * | 1998-07-14 | 2000-01-25 | Fujikura Ltd | Torque limiting type rotary fastening device |
| US6779919B1 (en) * | 2003-06-25 | 2004-08-24 | Cooper Instrument Corporation | Pipe probe |
| CN102315600A (en) * | 2011-05-17 | 2012-01-11 | 江苏省电力公司常州供电公司 | Maintenance car of handcart type breaker equipment |
| CN203376079U (en) * | 2013-07-11 | 2014-01-01 | 佛山市三水灏诚合成树脂有限公司 | Reaction vessel material temperature measuring device |
| CN204366852U (en) * | 2015-01-15 | 2015-06-03 | 褚学茂 | Turnbuckle |
| CN204964042U (en) * | 2015-07-21 | 2016-01-13 | 国家电网公司 | Temperature probe installation device for power equipment |
-
2015
- 2015-07-22 CN CN201510433170.3A patent/CN105157863A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2038488A5 (en) * | 1969-03-17 | 1971-01-08 | Buchungsmaschinenwerk | |
| JPH078393A (en) * | 1993-06-25 | 1995-01-13 | Tokyo Gas Co Ltd | Lift type temperature sensor device for grill |
| JP2000027886A (en) * | 1998-07-14 | 2000-01-25 | Fujikura Ltd | Torque limiting type rotary fastening device |
| US6779919B1 (en) * | 2003-06-25 | 2004-08-24 | Cooper Instrument Corporation | Pipe probe |
| CN102315600A (en) * | 2011-05-17 | 2012-01-11 | 江苏省电力公司常州供电公司 | Maintenance car of handcart type breaker equipment |
| CN203376079U (en) * | 2013-07-11 | 2014-01-01 | 佛山市三水灏诚合成树脂有限公司 | Reaction vessel material temperature measuring device |
| CN204366852U (en) * | 2015-01-15 | 2015-06-03 | 褚学茂 | Turnbuckle |
| CN204964042U (en) * | 2015-07-21 | 2016-01-13 | 国家电网公司 | Temperature probe installation device for power equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238486A (en) * | 2018-07-26 | 2019-01-18 | 郑州泰恩科技有限公司 | A kind of high-voltage board thermometric auxiliary fixing device |
| CN109238486B (en) * | 2018-07-26 | 2020-03-17 | 郑州泰恩科技有限公司 | Auxiliary fixing device for temperature measurement of high-voltage cabinet |
| CN112731078A (en) * | 2020-12-21 | 2021-04-30 | 国家电网有限公司 | Electrified detection auxiliary device |
| CN112731078B (en) * | 2020-12-21 | 2023-01-24 | 国家电网有限公司 | Electrified detection auxiliary device |
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Effective date of registration: 20180921 Address after: 061001 Yongji West Road, Cangzhou, Hebei 21 Applicant after: State Grid Hebei Electric Power Co., Ltd. Cangzhou power supply branch Applicant after: State Grid Hebei Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: 100761 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Applicant before: State Grid Corporation of China Applicant before: Cangzhou Power Supply Branch Company, State Grid Hebei Electric Power Company Applicant before: State Grid Hebei Electric Power Company |
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