CN112803649B - Hydraulic power generation device convenient to maintain and maintenance method thereof - Google Patents
Hydraulic power generation device convenient to maintain and maintenance method thereof Download PDFInfo
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- CN112803649B CN112803649B CN202011539629.5A CN202011539629A CN112803649B CN 112803649 B CN112803649 B CN 112803649B CN 202011539629 A CN202011539629 A CN 202011539629A CN 112803649 B CN112803649 B CN 112803649B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/02—Casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/02—Casings
- F03B11/025—Covers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/26—Means for adjusting casings relative to their supports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention belongs to the technical field of water conservancy power generation, and discloses a water conservancy power generation device convenient to maintain and a maintenance method thereof. The hydraulic power generation device body is reasonable in structural design and simple to operate, does not need to be manually stretched into the shell to disassemble and take out the hydraulic power generation device body, is convenient to operate and use, and is convenient to overhaul and maintain the hydraulic power generation device body.
Description
Technical Field
The invention relates to the technical field of hydroelectric power generation, in particular to a hydroelectric power generation device convenient to maintain and a maintenance method thereof.
Background
The generator is a mechanical device which converts other forms of energy into electric energy, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, and then converts the mechanical energy into electric energy, and the generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. The generator has many forms, but the working principle is based on the law of electromagnetic induction and the law of electromagnetic force, so the general principle of the structure is as follows: appropriate magnetic conductive and electric conductive materials are used to form a magnetic circuit and a circuit which mutually perform electromagnetic induction so as to generate electromagnetic power and achieve the purpose of energy conversion.
Through retrieval, the inventor finds that the following problems exist in the prior art in the process of realizing the prior art by the intelligent hydropower device based on the hierarchical power generation mode disclosed by the authorized notice number CN 201820101347.9: 1. the device is inconvenient to disassemble the shell, has complex operation and is inconvenient to replace and maintain part of parts of the shell quickly and reasonably; 2. the device is inconvenient for quickly and reasonably taking the hydroelectric generation device in the shell, and is complex in operation, so that workers are inconvenient for disassembling and taking the hydroelectric generation device when the hydroelectric generation device needs to be maintained and replaced, the working efficiency of corresponding work is further influenced, time and labor are wasted, and the overhauling and maintaining efficiency of the hydroelectric generation device is reduced; therefore, a hydraulic power generation device convenient to maintain and a maintenance method thereof are provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a water conservancy power generation device convenient to maintain and a maintenance method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hydraulic power generation device convenient to maintain comprises a bottom plate, wherein a shell is fixedly arranged at the top of the bottom plate, a U-shaped cover is movably arranged at the top of the shell, a handle is fixedly arranged at the top of the U-shaped cover, fixing seats are fixedly arranged on two sides of the shell, a clamping groove is formed in the top of each fixing seat, the U-shaped cover is movably arranged in the clamping groove, an inserting rod is slidably arranged on the inner wall of one side of the clamping groove, slots are formed in two sides of the U-shaped cover, the inserting rod is matched with the slots, one end of the inserting rod extends out of the fixing seats and is fixedly provided with a pull plate, a first spring is movably sleeved on the outer side of the inserting rod, two ends of the first spring are respectively and fixedly connected with the fixing seats and the pull plate, the top ends of a plurality of slide rods are fixedly arranged at the bottom of the U-shaped cover, the bottom ends of the plurality of the slide rods extend into the shell and are fixedly provided with the same connecting seat, a mounting groove is formed in the top of the connecting seat, a hydraulic power generation device body is movably arranged in the mounting groove, equal fixed mounting in both sides of hydroelectric device body has first fixture block, the spread groove has all been seted up to the both sides of mounting groove, slidable mounting has the connecting plate in the spread groove, one side fixed mounting of connecting plate has the second fixture block, first fixture block and second fixture block activity joint, the opposite side fixed mounting of connecting plate has the one end of second spring, the other end fixed mounting of second spring is on the inner wall of spread groove, the rectangular hole has been seted up at the top of connecting plate, fixed mounting has three hornblocks in the rectangular hole, perpendicular groove has been seted up at the top of spread groove, slidable mounting has the montant in perpendicular groove, the top of montant extends to the top and the fixed mounting of connecting seat has the baffle, the outside movable sleeve of montant is equipped with the third spring, the both ends of third spring respectively with baffle and connecting seat fixed connection, the bottom fixed mounting of montant has the fixed plate, the bottom of fixed plate is rotated and is installed the gyro wheel, the hypotenuse rolling contact of gyro wheel and three hornblocks.
Preferably, a plurality of bolt holes are formed in the inner side of the bottom plate, and bolts are installed on the inner sides of the bolt holes in a threaded mode.
Preferably, the spout has been seted up on one side inner wall of draw-in groove, and inserted bar sliding connection has all seted up the spacing groove on the both sides inner wall of spout, and the equal fixed mounting in both sides of inserted bar has the stopper, and two stoppers sliding connection respectively play certain limiting displacement to the inserted bar in corresponding spacing groove.
Preferably, a plurality of sliding grooves are formed in the top of the shell, and the sliding rods are respectively connected in the corresponding sliding grooves in a sliding mode, so that the sliding rods can be conveniently connected in a sliding mode.
Preferably, the opening has been seted up at the top of casing, and the hydroelectric power generation device body is located the open-ended inboard, is convenient for take out the hydroelectric power generation device body.
Preferably, all seted up the transverse groove on the both sides inner wall of spread groove, the equal fixed mounting in both sides of connecting plate has the slider, and two sliders are sliding connection respectively in corresponding transverse groove, play certain limiting displacement to the connecting plate.
Preferably, all seted up the fixed slot on the both sides inner wall in perpendicular groove, the equal fixed mounting in both sides of montant has the fixed block, and two fixed blocks are sliding connection respectively in corresponding fixed slot, play certain limiting displacement to the montant.
Preferably, the bottom fixed mounting of fixed plate has two risers, and one side fixed mounting that two risers are close to each other has same dead lever, and the gyro wheel rotates and installs in the outside of dead lever, is convenient for rotate the installation gyro wheel.
The invention also provides a maintenance method of the hydroelectric generation device, which is convenient for maintenance and comprises the following steps:
s1: the two pull plates are pulled to move away from each other, so that the two pull plates pull the two insertion rods to move away from each other and slide out of the corresponding insertion grooves, fixing of the U-shaped cover can be released, then the handle is pulled to move upwards, the connecting seat can be pulled to move upwards through the four slide rods, and the hydraulic power generation device body can be driven to move upwards and extend out of the shell through the opening;
s2: when the connecting seat rebound, when the contact of the top inner wall of two baffles and casing, can drive two montants downshifting, make two third spring atress compression, thereby can drive two gyro wheels downshifting, and through the roll connection of gyro wheel with the three hornblocks, can drive two connecting plates and be close to the removal each other, thereby can make two second fixture blocks be close to the removal each other, remove the spacing to two first fixture blocks, and make the second spring atress tensile, thereby can remove the spacing to the hydroelectric device body, then can take off the hydroelectric device body and overhaul the maintenance.
Compared with the prior art, the invention provides the hydroelectric generation device convenient to maintain and the maintenance method thereof, and the hydroelectric generation device has the following beneficial effects:
(1) the two pull plates are pulled to move away from each other, so that the two pull plates pull the two insertion rods to move away from each other and slide out of the corresponding insertion grooves, fixing of the U-shaped cover can be released, then the handle is pulled to move upwards, the connecting seat can be pulled to move upwards through the four slide rods, and the hydraulic power generation device body can be driven to move upwards and extend out of the shell through the opening;
(2) when the connecting seat rebound, when the contact of the top inner wall of two baffles and casing, can drive two montants downshifting, make two third spring atress compression, thereby can drive two gyro wheels downshifting, and through the roll connection of gyro wheel with the three hornblocks, can drive two connecting plates and be close to the removal each other, thereby can make two second fixture blocks be close to the removal each other, remove the spacing to two first fixture blocks, and make the second spring atress tensile, thereby can remove the spacing to the hydroelectric device body, then can take off the hydroelectric device body and overhaul the maintenance.
The hydraulic power generation device body is reasonable in structural design and simple to operate, does not need to be manually stretched into the shell to disassemble and take out the hydraulic power generation device body, is convenient to operate and use, and is convenient to overhaul and maintain the hydraulic power generation device body.
Drawings
FIG. 1 is a schematic front view of a hydro-power generation device of the present invention for ease of maintenance;
FIG. 2 is a schematic cross-sectional view of a hydro-power generation device of the present invention for ease of maintenance;
FIG. 3 is a schematic structural view of portion A of a hydro-power generation device of the present invention for ease of maintenance;
FIG. 4 is a schematic structural view of portion B of a hydro-power generation device of the present invention for ease of maintenance;
fig. 5 is a schematic structural view of part C of a hydro-power generation device of the present invention for ease of maintenance.
In the figure: 1. a base plate; 2. a housing; 3. a U-shaped cover; 4. a handle; 5. a fixed seat; 6. a card slot; 7. inserting a rod; 8. pulling a plate; 9. a first spring; 10. a slide bar; 11. a connecting seat; 12. mounting grooves; 13. a hydroelectric power generation device body; 14. a first clamping block; 15. connecting grooves; 16. a connecting plate; 17. a second fixture block; 18. a second spring; 19. a rectangular hole; 20. a triangular block; 21. a vertical slot; 22. a vertical rod; 23. a baffle plate; 24. a third spring; 25. a fixing plate; 26. and a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a conveniently maintained hydroelectric generating device comprises a bottom plate 1, a housing 2 is fixedly installed at the top of the bottom plate 1, a U-shaped cover 3 is movably installed at the top of the housing 2, a handle 4 is fixedly installed at the top of the U-shaped cover 3, fixing seats 5 are fixedly installed at both sides of the housing 2, a clamping groove 6 is formed at the top of the fixing seat 5, the U-shaped cover 3 is movably installed in the clamping groove 6, an inserting rod 7 is slidably installed on the inner wall of one side of the clamping groove 6, slots are formed at both sides of the U-shaped cover 3, the inserting rod 7 is matched with the slots, one end of the inserting rod 7 extends out of the fixing seat 5 and is fixedly installed with a pull plate 8, a first spring 9 is movably sleeved at the outer side of the inserting rod 7, both ends of the first spring 9 are fixedly connected with the fixing seat 5 and the pull plate 8 respectively, the bottom of the U-shaped cover 3 is fixedly installed with the top ends of a plurality of slide rods 10, the bottom ends of the plurality of the slide rods 10 extend into the housing 2 and is fixedly installed with a same connecting seat 11, the top of connecting seat 11 is provided with a mounting groove 12, a hydroelectric device body 13 is movably mounted in mounting groove 12, first fixture blocks 14 are fixedly mounted on both sides of hydroelectric device body 13, connecting grooves 15 are formed on both sides of mounting groove 12, a connecting plate 16 is slidably mounted in connecting grooves 15, a second fixture block 17 is fixedly mounted on one side of connecting plate 16, first fixture block 14 is movably clamped with second fixture block 17, one end of a second spring 18 is fixedly mounted on the other side of connecting plate 16, the other end of second spring 18 is fixedly mounted on the inner wall of connecting groove 15, a rectangular hole 19 is formed in the top of connecting plate 16, a triangular block 20 is fixedly mounted in rectangular hole 19, a vertical groove 21 is formed in the top of connecting groove 15, a vertical rod 22 is slidably mounted in vertical groove 21, the top end of vertical rod 22 extends to the upper side of connecting seat 11 and is fixedly mounted with a baffle 23, and a third spring 24 is movably sleeved on the outer side of vertical rod 22, two ends of the third spring 24 are respectively fixedly connected with the baffle 23 and the connecting seat 11, the bottom end of the vertical rod 22 is fixedly provided with a fixing plate 25, the bottom of the fixing plate 25 is rotatably provided with a roller 26, and the roller 26 is in rolling contact with the bevel edge of the triangular block 20.
The inner side of the bottom plate 1 is provided with a plurality of bolt holes, the inner sides of the bolt holes are all provided with bolts in a threaded manner, the inner wall of one side of the clamping groove 6 is provided with a sliding groove, the inserting rod 7 is connected in the sliding groove in a sliding manner, the inner walls of the two sides of the sliding groove are both provided with limiting grooves, the two sides of the inserting rod 7 are both fixedly provided with limiting blocks, the two limiting blocks are respectively connected in the corresponding limiting grooves in a sliding manner, a certain limiting effect is exerted on the inserting rod 7, the top of the shell 2 is provided with a plurality of sliding grooves, a plurality of sliding rods 10 are respectively connected in the corresponding sliding grooves in a sliding manner, the sliding rods 10 are convenient to be connected in a sliding manner, the top of the shell 2 is provided with an opening, the hydraulic power generation device body 13 is positioned at the inner side of the opening, the hydraulic power generation device body 13 is convenient to take out, the inner walls of the two sides of the connecting groove 15 are both provided with transverse grooves, the sliding blocks are both sides of the connecting plate 16 are respectively and are respectively connected in the corresponding transverse grooves in a sliding manner, play certain limiting displacement to connecting plate 16, all seted up the fixed slot on the both sides inner wall of perpendicular groove 21, the equal fixed mounting in both sides of montant 22 has the fixed block, two fixed blocks sliding connection respectively are in corresponding fixed slot, play certain limiting displacement to montant 22, the bottom fixed mounting of fixed plate 25 has two risers, one side fixed mounting that two risers are close to each other has same dead lever, gyro wheel 26 rotates the outside of installing at the dead lever, be convenient for rotate installation gyro wheel 26.
The embodiment also provides a maintenance method of the hydraulic power generation device convenient for maintenance, which comprises the following steps:
s1: pulling the two pulling plates 8 to move away from each other, so that the two pulling plates 8 pull the two inserting rods 7 to move away from each other and slide out of the corresponding inserting grooves, fixing of the U-shaped cover 3 can be released, then pulling the handle 4 to move upwards, namely pulling the connecting seat 11 to move upwards through the four sliding rods 10, and further driving the hydraulic power generation device body 13 to move upwards and extend out of the shell 2 through the opening;
s2: in connecting seat 11 rebound, when the contact of the top inner wall of two baffles 23 and casing 2, can drive two montants 22 downshifts, make two third springs 24 atress compression, thereby can drive two gyro wheels 26 downshifts, and through the roll connection of gyro wheel 26 with three hornblocks 20, can drive two connecting plates 16 and be close to each other and remove, thereby can make two second fixture blocks 17 be close to each other and remove, relieve the spacing to two first fixture blocks 14, and make second spring 18 atress tensile, thereby can relieve the spacing to hydroelectric device body 13, then can take off hydroelectric device body 13 and overhaul the maintenance.
Claims (8)
1. A water conservancy power generation device convenient to maintain comprises a bottom plate (1) and is characterized in that a shell (2) is fixedly installed at the top of the bottom plate (1), a U-shaped cover (3) is movably installed at the top of the shell (2), a handle (4) is fixedly installed at the top of the U-shaped cover (3), fixing seats (5) are fixedly installed on two sides of the shell (2), a clamping groove (6) is formed in the top of each fixing seat (5), the U-shaped cover (3) is movably installed in the clamping groove (6), an inserting rod (7) is slidably installed on the inner wall of one side of the clamping groove (6), inserting grooves are formed in two sides of the U-shaped cover (3), the inserting rods (7) are matched with the inserting grooves, one end of each inserting rod (7) extends out of the corresponding fixing seat (5) and is fixedly provided with a pull plate (8), a first spring (9) is movably sleeved on the outer side of each inserting rod (7), two ends of each first spring (9) are fixedly connected with the corresponding fixing seat (5) and the pull plate (8) respectively, the bottom of the U-shaped cover (3) is fixedly provided with the top ends of a plurality of slide bars (10), the bottom ends of the slide bars (10) extend into the shell (2) and are fixedly provided with the same connecting seat (11), the top of the connecting seat (11) is provided with a mounting groove (12), a hydroelectric generation device body (13) is movably mounted in the mounting groove (12), the top of the shell (2) is provided with an opening, the hydroelectric generation device body (13) is positioned at the inner side of the opening, both sides of the hydroelectric generation device body (13) are fixedly provided with first clamping blocks (14), both sides of the mounting groove (12) are provided with connecting grooves (15), the connecting plates (16) are slidably mounted in the connecting grooves (15), one side of each connecting plate (16) is fixedly provided with a second clamping block (17), the first clamping blocks (14) are movably clamped with the second clamping blocks (17), and the other side of each connecting plate (16) is fixedly provided with one end of a second spring (18), the other end fixed mounting of second spring (18) is on the inner wall of spread groove (15), rectangular hole (19) have been seted up at the top of connecting plate (16), fixed mounting has three hornblocks (20) in rectangular hole (19), perpendicular groove (21) have been seted up at the top of spread groove (15), slidable mounting has montant (22) in perpendicular groove (21), the top of montant (22) extends to the top and fixed mounting of connecting seat (11) has baffle (23), the outside movable sleeve of montant (22) is equipped with third spring (24), the both ends of third spring (24) respectively with baffle (23) and connecting seat (11) fixed connection, the bottom fixed mounting of montant (22) has fixed plate (25), gyro wheel (26) are installed in the rotation of the bottom of fixed plate (25), gyro wheel (26) and the hypotenuse rolling contact of three hornblocks (20).
2. The hydroelectric generation device convenient to maintain according to claim 1, wherein a plurality of bolt holes are formed in the inner side of the bottom plate (1), and bolts are installed on the inner sides of the bolt holes in a threaded manner.
3. The hydropower device convenient to maintain according to claim 1, wherein a chute is formed in an inner wall of one side of the clamping groove (6), the inserted link (7) is slidably connected in the chute, limiting grooves are formed in inner walls of two sides of the chute, limiting blocks are fixedly arranged on two sides of the inserted link (7), and the two limiting blocks are respectively slidably connected in the corresponding limiting grooves.
4. The hydropower device convenient to maintain according to claim 1, wherein a plurality of sliding grooves are formed at the top of the shell (2), and the plurality of sliding rods (10) are respectively connected in the corresponding sliding grooves in a sliding manner.
5. The hydropower device convenient to maintain according to claim 1, wherein the inner walls of the two sides of the connecting groove (15) are both provided with transverse grooves, the two sides of the connecting plate (16) are both fixedly provided with sliding blocks, and the two sliding blocks are respectively connected in the corresponding transverse grooves in a sliding manner.
6. The hydropower device convenient to maintain as claimed in claim 1, wherein fixing grooves are formed in inner walls of two sides of the vertical groove (21), fixing blocks are fixedly mounted on two sides of the vertical rod (22), and the two fixing blocks are respectively connected in the corresponding fixing grooves in a sliding manner.
7. The hydroelectric generation device convenient to maintain as claimed in claim 1, wherein the bottom of the fixing plate (25) is fixedly provided with two vertical plates, one side of the two vertical plates close to each other is fixedly provided with the same fixing rod, and the roller (26) is rotatably arranged on the outer side of the fixing rod.
8. A method of servicing a hydro-power generation device that facilitates servicing of the hydro-power generation device of claim 1, comprising the steps of:
s1: the two pulling plates (8) are pulled to move away from each other, so that the two pulling plates (8) pull the two inserting rods (7) to move away from each other and slide out of the corresponding inserting grooves, fixing of the U-shaped cover (3) can be released, then the handle (4) is pulled to move upwards, the connecting seat (11) can be pulled to move upwards through the four sliding rods (10), and the hydroelectric generation device body (13) can be driven to move upwards and extend out of the shell (2) through the opening;
s2: in connecting seat (11) rebound, when the contact of the top inner wall of two baffles (23) and casing (2), can drive two montants (22) lapse, make two third spring (24) atress compression, thereby can drive two gyro wheels (26) lapse, and through the roll connection of gyro wheel (26) and triangle block (20), can drive two connecting plates (16) and be close to the removal each other, thereby can make two second fixture block (17) be close to the removal each other, remove the spacing to two first fixture block (14), and make second spring (18) atress tensile, thereby can remove the spacing to hydroelectric device body (13), then can take off hydroelectric device body (13) and overhaul the maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011539629.5A CN112803649B (en) | 2020-12-23 | 2020-12-23 | Hydraulic power generation device convenient to maintain and maintenance method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011539629.5A CN112803649B (en) | 2020-12-23 | 2020-12-23 | Hydraulic power generation device convenient to maintain and maintenance method thereof |
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| CN112803649A CN112803649A (en) | 2021-05-14 |
| CN112803649B true CN112803649B (en) | 2022-08-09 |
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| CN114776873B (en) * | 2022-05-17 | 2023-11-10 | 安徽春辉仪表线缆集团有限公司 | Pneumatic tank bottom regulating valve easy to replace |
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Effective date of registration: 20220520 Address after: 536000 27 Beibu Wan Road, Beihai, the Guangxi Zhuang Autonomous Region Applicant after: BEIHAI POWER SUPPLY BUREAU OF GUANGXI POWER GRID Co.,Ltd. Address before: No.306 Jiefang Middle Road, Yuexiu District, Guangzhou, Guangdong 510000 Applicant before: Shi Jing |
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