CN107917697A - A kind of shaft tower inclined monitor - Google Patents
A kind of shaft tower inclined monitor Download PDFInfo
- Publication number
- CN107917697A CN107917697A CN201711369032.9A CN201711369032A CN107917697A CN 107917697 A CN107917697 A CN 107917697A CN 201711369032 A CN201711369032 A CN 201711369032A CN 107917697 A CN107917697 A CN 107917697A
- Authority
- CN
- China
- Prior art keywords
- shaft tower
- circular shell
- wall
- plumbing bar
- infrared
- 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.)
- Granted
Links
- 238000009428 plumbing Methods 0.000 claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 210000005069 ears Anatomy 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000011664 signaling Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
- G01C2009/066—Electric or photoelectric indication or reading means optical
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of shaft tower inclined monitor, including tilt detecting device and fixing device and monitoring center system for being fixed on tilt detecting device on shaft tower；Tilt detecting device includes the second circular shell, infrared launcher, infrared receiving device, signal transducer, GPS positioning device and the wireless launcher for being installed on the first circular shell below shaft tower, being installed on above shaft tower；The present invention does not set plumbing bar in the first circular shell and the second circular shell, under the action of neutrality, plumbing bar remains state perpendicular to the ground, the top of plumbing bar sets infrared launcher, the bottom of plumbing bar sets infrared receiving device device, only when shaft tower is vertical, infrared receiving device device can just receive the signal that infrared launcher is sent, when shaft tower tilts, it then can't detect signal, once can't detect signalling alarm equipment to alarm at once, the device of the invention is simple in structure, and detection is quick and precisely.
Description
Technical field
The present invention relates to a kind of electronic detecting device, and in particular to a kind of shaft tower inclined monitor.
Background technology
In recent years, with the fast development of Chinese economy, construction of the national grid to electric power is also constantly increasing, intelligence
Power grid has covered the big thorp of China, and the living standard and related industry of people are benefited a great deal.And highway in China construction
Quickly grow, the highway communication of convenient and efficient changes the concept and life style of people, expands trip radius, greatly
Ground improves the living standard of the people.
Undoubtedly the modern life is indispensable for electricity, and electric power must be conveyed by power grid, therefore transmission line of electricity is very heavy
Will.Since China's geographical distribution is extensive, geologic condition complexity is various, when transmission line of electricity by coal mining area, weak soil matter area,
Hillside band, riverbed area are when express zone, and under the action of natural conditions, pole and tower foundation can slide, tilts, sink often
Phenomena such as drop, cracking, so as to cause the deformation or inclination of shaft tower, influence the normal operation of transmission line of electricity.Once electric force pole tower shape
Even collapsed into tilting, be bound to cause electric power looped network weight, the transmission of extraordinarily serious safety accident, heavy economic losses is brought to country.
So how to determine inclination of electric power tower rapidly or collapse and give warning in advance just to have great significance and necessity.
The content of the invention
It is quick to detect whether shaft tower tilts it is an object of the invention to provide a kind of shaft tower inclined monitor.
In order to solve the above technical problem, the present invention provides following technical solution：A kind of shaft tower inclined monitor, including
Tilt detecting device and fixing device and monitoring center system for being fixed on tilt detecting device on shaft tower；Described inclines
Oblique detection device sends the tilt signals detected to monitoring center system；
The tilt detecting device includes the second ring for being installed on the first circular shell below shaft tower, being installed on above shaft tower
Shape housing, infrared launcher, infrared receiving device, signal transducer, GPS positioning device and wireless launcher；
First circular shell and the structure of the second circular shell are identical, including endless inner wall, annular outer wall and connection
The head cover and bottom plate of endless inner wall and annular outer wall；The head cover and bottom plate are light-transmitting plate；The head cover）With endless inner wall
It is integrally formed with annular outer wall；The bottom plate is bolted with endless inner wall and annular outer wall；The endless inner wall
It is an annular chamber between annular outer wall；Fixing bracket is provided with the annular chamber；The ring support is circumferentially set
Multiple slots are equipped with, shaft is provided with slot；One plumbing bar is connected by shaft with slot；Axis is provided with the middle part of the plumbing bar
Hole；The lower part of the plumbing bar is provided with the chamber of installation weight body；
The infrared launcher is installed on the top of plumbing bar in the first circular shell；The infrared receiving device is arranged at
The bottom of plumbing bar in second circular shell；Signal transducer, GPS positioning device and nothing are provided with second circular shell
Line emitter.
Further, the fixing device includes the arc-shaped clamp and and arc-shaped clamp being fixedly connected with endless inner wall
The connector of annular anchor ear is formed after connection；The connector includes the connector at both ends and the tightness regulating device at middle part；
The both ends of the arc-shaped clamp are bolted with connector.
Further, the tightness regulating device includes snap-gauge, is arranged on the fixed ear at snap-gauge both ends；The fixation
Ear can move on snap-gauge, and two fixed ears are connected by adjusting bolt；Connector of two fixed ears respectively with both ends is fixed
Connection.
Further, the tilt detecting device, which further includes, is arranged between the first circular shell and the second circular shell
Alignment device；The alignment device includes two risers of the first circular shell of connection and the second circular shell；Described
Locating slot is provided with riser；It is provided with the inside of the endless inner wall and the matched positioning sliding block of locating slot.
Further, the shaft tower inclined monitor further includes warning device；The warning device includes setting
Audible-visual annunciator on the second circular shell and the alarm module being arranged in monitoring center system；The audible-visual annunciator
Wireless receiving module is carried, receives the alarm signal that monitoring center system is sent.
Further, the plumbing bar includes superstructure, central structure and substructure；Set in the substructure
Put clump weight；The infrared launcher is arranged at the top of superstructure；The infrared receiving device is arranged at lower junction
The bottom of structure.
The beneficial effect that is reached of the present invention is：
The present invention does not set plumbing bar in the first circular shell and the second circular shell, and under gravity, plumbing bar remains
State perpendicular to the ground, the top of plumbing bar set infrared launcher, and the bottom of plumbing bar sets infrared receiving device device, only
When shaft tower is vertical, infrared receiving device device can just receive the signal that infrared launcher is sent, and when shaft tower tilts, then examine
Signal is not detected, is alarmed at once once can't detect signalling alarm equipment, the device of the invention is simple in structure, detects quick accurate
Really.
Brief description of the drawings
, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, drawings in the following description are only some embodiments described in the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the reception schematic diagram of the first circular shell
Fig. 3 is the reception schematic diagram of fixing device.
Fig. 4 is the structure diagram of tightness regulating device.
Fig. 5 is support bracket fastened part-structure schematic diagram.
Fig. 6 is the structure diagram of plumbing bar.
Fig. 7 is the structure diagram of alignment device.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
As shown in figs. 1-7, it is a kind of shaft tower inclined monitor of the present invention, including tilt detecting device and for that will incline
Oblique detection device is fixed on fixing device and monitoring center system 4 on shaft tower 3；The tilt detecting device will detect
Tilt signals are sent to monitoring center system 4；
The tilt detecting device includes being installed on the first circular shell 11 of the lower section of shaft tower 3, is installed on the of the top of shaft tower 3
Two circular shells 12, infrared launcher 13, infrared receiving device 14, signal transducer 15, GPS positioning device 16 and wireless hair
Injection device 17；
First circular shell 11 is identical with the structure of the second circular shell 12, including endless inner wall 101, annular outer wall
102 and connection endless inner wall 101 and annular outer wall 102 head cover 103 and bottom plate 104；The head cover 103 and bottom plate 104
For light-transmitting plate；The head cover 103 is integrally formed with endless inner wall 101 and annular outer wall 102；The bottom plate 104 and ring-type
Inner wall 101 and annular outer wall 102 are connected by bolt 105；It is a ring between the endless inner wall 101 and annular outer wall 102
Shape chamber 106；Fixing bracket 107 is provided with the annular chamber 106；The ring support 107 is circumferentially arranged have it is multiple
Slot 108, is provided with shaft 109 in slot 108；One plumbing bar 110 is connected by shaft 109 with slot 108；In the plumbing bar
Portion is provided with axis hole 113；The lower part of the plumbing bar 110 is provided with the chamber 111 of installation weight body 112；
The infrared launcher 13 is installed on the top of plumbing bar 110 in the first circular shell 11；The infrared receiver dress
Put 14 bottoms for being arranged at plumbing bar 110 in the second circular shell 12；Sensing is provided with second circular shell 12
Device 15, GPS positioning device 16 and wireless launcher 17.
Further, the fixing device includes the arc-shaped clamp 21 and and arc being fixedly connected with endless inner wall 101
Shape clip 21 forms the connector 22 of annular anchor ear after connecting；The connector 22 includes connector 221 and the middle part at both ends
Tightness regulating device 23；The both ends of the arc-shaped clamp 21 are bolted with connector 221.
Further, the tightness regulating device 23 includes snap-gauge 222, is arranged on the fixed ear at 222 both ends of snap-gauge
223；The fixed ear 223 can move on snap-gauge 222, and two fixed ears 223 are connected by adjusting bolt 224；Two solid
Determine ear 223 to be fixedly connected with the connector 221 at both ends respectively.
Further, the tilt detecting device, which further includes, is arranged at the first circular shell 11 and the second circular shell 12
Between alignment device；The alignment device includes two risers of the first circular shell 11 of connection and the second circular shell 12
51；Locating slot 52 is provided with the riser 51；The inner side of the endless inner wall 101 is provided with matched fixed with locating slot 52
Position sliding block 53.
Further, the shaft tower inclined monitor further includes warning device；The warning device includes setting
Audible-visual annunciator 61 on the second circular shell 12 and the alarm module being arranged in monitoring center system 4；The acousto-optic
Alarm 61 carries wireless receiving module, receives the alarm signal that monitoring center system 4 is sent.
Further, the plumbing bar 110 includes superstructure 110a, central structure 110b and substructure 110c；Institute
Clump weight is set in the substructure 110c stated；The infrared launcher 13 is arranged at the top of superstructure 110a；It is described
Infrared receiving device 14 be arranged at the bottom of substructure 110c.
The present invention does not set plumbing bar in the first circular shell and the second circular shell, and under gravity, plumbing bar is all the time
State perpendicular to the ground is kept, the top of plumbing bar sets infrared launcher, and the bottom of plumbing bar sets infrared receiving device device,
Only when shaft tower is vertical, infrared receiving device device can just receive the signal that infrared launcher is sent, when shaft tower tilts,
Signal is then can't detect, is alarmed at once once can't detect signalling alarm equipment, the device of the invention is simple in structure, and detection is quick
Accurately.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the design of the present invention
It is defined with scope, on the premise of design concept of the present invention is not departed from, ordinary skill technical staff is to this hair in this area
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention
Art content, is all documented in technical requirements book.
Claims (6)
- A kind of 1. shaft tower inclined monitor, it is characterised in that：Including tilt detecting device, for tilt detecting device to be fixed In shaft tower（3）On fixing device and monitoring center system（4）；The tilt detecting device sends out the tilt signals detected Send to monitoring center system（4）；The tilt detecting device includes being installed on shaft tower（3）First circular shell of lower section（11）, be installed on shaft tower（3）On Second circular shell of side（12）, infrared launcher（13）, infrared receiving device（14）, signal transducer（15）, GPS positioning Device（16）And wireless launcher（17）；First circular shell（11）With the second circular shell（12）Structure it is identical, including endless inner wall（101）, ring-type Outer wall（102）And connection endless inner wall（101）And annular outer wall（102）Head cover（103）And bottom plate（104）；The top Lid（103）And bottom plate（104）For light-transmitting plate；The head cover（103）With endless inner wall（101）And annular outer wall（102）One Shaping；The bottom plate（104）With endless inner wall（101）And annular outer wall（102）Pass through bolt（105）Connection；The ring Shape inner wall（101）And annular outer wall（102）Between be an annular chamber（106）；The annular chamber（106）Inside it is provided with fixed branch Frame（107）；The ring support（107）It is circumferentially arranged to have multiple slots（108）, slot（108）Inside it is provided with shaft （109）；One plumbing bar（110）Pass through shaft（109）With slot（108）Connection；Axis hole is provided with the middle part of the plumbing bar（113）； The plumbing bar（110）Lower part be provided with installation weight body（112）Chamber（111）；The infrared launcher（13）It is installed on the first circular shell（11）Interior plumbing bar（110）Top；Described is infrared Reception device（14）It is arranged at the second circular shell（12）Interior plumbing bar（110）Bottom；Second circular shell（12）It is interior It is provided with signal transducer（15）, GPS positioning device（16）And wireless launcher（17）.
- A kind of 2. shaft tower inclined monitor according to claim 1, it is characterised in that：The fixing device include with Endless inner wall（101）The arc-shaped clamp being fixedly connected（21）And and arc-shaped clamp（21）The connection of annular anchor ear is formed after connection Part（22）；The connector（22）Connector including both ends（221）With the tightness regulating device (23) at middle part；The arc Shape clip（21）Both ends and connector（221）It is bolted.
- A kind of 3. shaft tower inclined monitor according to claim 2, it is characterised in that：The tightness regulating device (23) snap-gauge is included（222）, be arranged on snap-gauge（222）The fixed ear at both ends（223）；The fixed ear（223）Can be in snap-gauge （222）Upper movement, two fixed ears（223）Pass through adjusting bolt（224）Connection；Two fixed ears（223）Respectively with both ends Connector（221）It is fixedly connected.
- A kind of 4. shaft tower inclined monitor according to claim 1, it is characterised in that：The tilt detecting device Further include and be arranged at the first circular shell（11）With the second circular shell（12）Between alignment device；The alignment device bag Include the first circular shell of connection（11）With the second circular shell（12）Two risers（51）；The riser（51）On be provided with Locating slot（52）；The endless inner wall（101）Inner side be provided with and locating slot（52）Matched positioning sliding block（53）.
- A kind of 5. shaft tower inclined monitor according to claim 1, it is characterised in that：The shaft tower tilts monitoring Device further includes warning device；The warning device includes being arranged on the second circular shell（12）On audible-visual annunciator（61） Be arranged on monitoring center system（4）On alarm module；The audible-visual annunciator（61）Wireless receiving module is carried, is received Monitoring center system（4）The alarm signal of transmission.
- A kind of 6. shaft tower inclined monitor according to claim 1, it is characterised in that：The plumbing bar（110）Including Superstructure（110a）, central structure（110b）And substructure（110c）；The substructure（110c）Interior setting counterweight Block；The infrared launcher（13）It is arranged at superstructure（110a）Top；The infrared receiving device（14）Set In substructure（110c）Bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369032.9A CN107917697B (en) | 2017-12-18 | 2017-12-18 | Tower inclination monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369032.9A CN107917697B (en) | 2017-12-18 | 2017-12-18 | Tower inclination monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107917697A true CN107917697A (en) | 2018-04-17 |
| CN107917697B CN107917697B (en) | 2023-11-10 |
Family
ID=61893432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711369032.9A Active CN107917697B (en) | 2017-12-18 | 2017-12-18 | Tower inclination monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917697B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692705A (en) * | 2018-05-08 | 2018-10-23 | 合肥海银杆塔有限公司 | A kind of electric force pole tower of included measuring for verticality and inclination prompting function |
| CN108898788A (en) * | 2018-07-02 | 2018-11-27 | 合肥海银杆塔有限公司 | A kind of composite material pole tower safety early warning device |
| CN112146024A (en) * | 2020-10-11 | 2020-12-29 | 常家有 | Street lamp with dumping protection function |
| CN112683241A (en) * | 2021-01-13 | 2021-04-20 | 深圳市瑞芬科技有限公司 | Wireless solar low-power consumption inclinometer system |
| CN113203396A (en) * | 2020-09-17 | 2021-08-03 | 金华一纵一横工业设计有限公司 | Thing networking communication equipment slope monitoring early warning device |
| CN116046080A (en) * | 2023-04-03 | 2023-05-02 | 国网吉林省电力有限公司辽源供电公司 | Device and method for monitoring frost heave of transmission tower foundation soil layer and tower attitude |
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| JPH11241919A (en) * | 1997-12-09 | 1999-09-07 | Azuma Systems:Kk | Inclination monitoring apparatus and method for installation of inclination monitoring apparatus |
| US6205867B1 (en) * | 1998-10-07 | 2001-03-27 | American Electric Power, Inc. | Power line sag monitor |
| KR20020067451A (en) * | 2002-07-02 | 2002-08-22 | 박용혁 | Plummet for finding the horizon |
| CN101556151A (en) * | 2009-05-21 | 2009-10-14 | 合肥工业大学 | Photoelectric sensor in horizontal and vertical state |
| JP2010112915A (en) * | 2008-11-10 | 2010-05-20 | Rohm Co Ltd | Tilt sensor |
| CN104132638A (en) * | 2014-07-28 | 2014-11-05 | 鞍钢集团矿业公司 | Inclination monitoring device |
| CN205426148U (en) * | 2016-03-20 | 2016-08-03 | 何佑兵 | Wire pole straightness monitoring devices that hangs down |
| CN205482950U (en) * | 2015-11-24 | 2016-08-17 | 国网安徽省电力公司铜陵供电公司 | Transmission line shaft tower slope intellectual detection system device |
| CN105973622A (en) * | 2016-04-29 | 2016-09-28 | 西安同步电气有限责任公司 | Transmission line simulation and verification system and transmission line simulation and verification method |
| US20170102234A1 (en) * | 2015-10-09 | 2017-04-13 | Micatu Inc. | Enhanced power transmission tower condition monitoring system for overhead power systems |
| CN207649607U (en) * | 2017-12-18 | 2018-07-24 | 国网山东省电力公司龙口市供电公司 | A kind of shaft tower inclined monitor |
-
2017
- 2017-12-18 CN CN201711369032.9A patent/CN107917697B/en active Active
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| JPH11241919A (en) * | 1997-12-09 | 1999-09-07 | Azuma Systems:Kk | Inclination monitoring apparatus and method for installation of inclination monitoring apparatus |
| US6205867B1 (en) * | 1998-10-07 | 2001-03-27 | American Electric Power, Inc. | Power line sag monitor |
| KR20020067451A (en) * | 2002-07-02 | 2002-08-22 | 박용혁 | Plummet for finding the horizon |
| JP2010112915A (en) * | 2008-11-10 | 2010-05-20 | Rohm Co Ltd | Tilt sensor |
| CN101556151A (en) * | 2009-05-21 | 2009-10-14 | 合肥工业大学 | Photoelectric sensor in horizontal and vertical state |
| CN104132638A (en) * | 2014-07-28 | 2014-11-05 | 鞍钢集团矿业公司 | Inclination monitoring device |
| US20170102234A1 (en) * | 2015-10-09 | 2017-04-13 | Micatu Inc. | Enhanced power transmission tower condition monitoring system for overhead power systems |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692705A (en) * | 2018-05-08 | 2018-10-23 | 合肥海银杆塔有限公司 | A kind of electric force pole tower of included measuring for verticality and inclination prompting function |
| CN108898788A (en) * | 2018-07-02 | 2018-11-27 | 合肥海银杆塔有限公司 | A kind of composite material pole tower safety early warning device |
| CN113203396A (en) * | 2020-09-17 | 2021-08-03 | 金华一纵一横工业设计有限公司 | Thing networking communication equipment slope monitoring early warning device |
| CN112146024A (en) * | 2020-10-11 | 2020-12-29 | 常家有 | Street lamp with dumping protection function |
| CN112683241A (en) * | 2021-01-13 | 2021-04-20 | 深圳市瑞芬科技有限公司 | Wireless solar low-power consumption inclinometer system |
| CN116046080A (en) * | 2023-04-03 | 2023-05-02 | 国网吉林省电力有限公司辽源供电公司 | Device and method for monitoring frost heave of transmission tower foundation soil layer and tower attitude |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107917697B (en) | 2023-11-10 |
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Effective date of registration: 20231008 Address after: 261400 no.462, Fuqian West Street, Yongan Road Street, Laizhou City, Yantai City, Shandong Province Applicant after: LAIZHOU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER Co. Applicant after: Longkou Power Supply Company of State Grid Shandong Electric Power Company Address before: 265700 Tonghai Road, Longkou City, Yantai, Shandong 28 Applicant before: Longkou Power Supply Company of State Grid Shandong Electric Power Company |
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