CN216319825U - Gravity self-locking type telegraph pole load climbing robot - Google Patents
Gravity self-locking type telegraph pole load climbing robot Download PDFInfo
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- CN216319825U CN216319825U CN202122482167.4U CN202122482167U CN216319825U CN 216319825 U CN216319825 U CN 216319825U CN 202122482167 U CN202122482167 U CN 202122482167U CN 216319825 U CN216319825 U CN 216319825U
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Abstract
The utility model relates to a gravity self-locking type telegraph pole load climbing robot which comprises a climbing mechanism (1) and a load platform (2), wherein a first square frame (11) and a second square frame (12) of the climbing mechanism (1) are hinged, the left front part of the first square frame is hinged with the upper end of a left front connecting rod (13), the left rear part of the first square frame is hinged with the upper end of a left rear connecting rod (15), the right front part of the second square frame is hinged with the upper end of a right front connecting rod (14), the right rear part of the second square frame is hinged with the upper end of a right rear connecting rod (16), climbing wheels (18) are respectively arranged on the left side and the right side of the first square frame and the second square frame, climbing speed reducing motors (19) are arranged on the first square frame and the second square frame, a first electric pull rod (20) and a second electric pull rod (21) are arranged between the first square frame and the second square frame, and the lower ends of the left front connecting rod, the right front connecting rod, the left rear connecting rod and the right rear connecting rod are respectively hinged with the load platform. It can climb from top to bottom along the wire pole steadily, and the load platform goes up and down reliable and stable, makes the security of workman and equipment more secure.
Description
Technical Field
The utility model relates to electric power maintenance facilities, in particular to a gravity self-locking type telegraph pole load climbing robot.
Background
At present, the progress of China is obviously lagged behind that of the western countries aiming at the research and development of telegraph pole climbing robots. Relatively advanced research results are live-wire work mechanical arms, and although the development of the live-wire work mechanical arms is helpful to electric power overhaul work, the live-wire work mechanical arms also have some defects. Firstly, live working arm is very high to operational environment's requirement, and is comparatively heavy, and the bucket arm car mostly can not provide stable operational environment for it, can't make its accurate work that carries on. Secondly, the hot-line work mechanical arm needs the cooperation of the operator, and the safety of the operator can not be guaranteed. At present, people are researching intelligent and automatic pole-climbing robots at home, the purpose is to enable people and equipment to climb up and down along telegraph poles to replace lifting structures of bucket arm vehicles, but structural stability and use safety of the robot are not good enough, the structure is complex, live working mechanical arms can not work reliably, safety of workers can not be guaranteed, and use requirements of an electric power system can not be met.
Disclosure of Invention
The utility model aims to provide a gravity self-locking type telegraph pole load lifting climbing machine which is simple in structure, good in stability, stable in operation and good in use safety, aiming at the defects of the existing pole climbing robot.
The technical solution of the utility model is as follows: the climbing mechanism comprises a first frame, a second frame, a left front connecting rod, a right front connecting rod, a left rear connecting rod and a right rear connecting rod, wherein the first frame is crossed with the second frame, the middle upper part of a front frame beam of the first frame and the second frame and the middle upper part of a rear frame beam of the first frame and the second frame are respectively hinged through a hinge shaft, the left front part of the first frame is hinged with the upper end of the left front connecting rod, the left rear part of the first frame is hinged with the upper end of the left rear connecting rod, the right front part of the second frame is hinged with the upper end of the right front connecting rod, the right rear part of the second frame is hinged with the upper end of the right rear connecting rod, climbing wheels with front ends rotatably arranged on the front frame beam and rear ends rotatably arranged on the rear frame beam are respectively arranged on the left side and the right side of the hinged point of the first frame and the second frame, a climbing speed reducing motor with an output shaft connected with a climbing wheel shaft on the right side of the first frame is arranged on the right side of the first frame, a climbing speed reducing motor is arranged on the left side of the second frame, the electric pull rod I with two ends hinged to the left front part of the square frame I and the right front part of the square frame II is arranged between the front sides of the square frame I and the square frame II, the electric pull rod II with two ends hinged to the left rear part of the square frame I and the right rear part of the square frame II is arranged between the rear sides of the square frame I and the square frame II, the lower ends of the left front connecting rod, the right front connecting rod, the left rear connecting rod and the right rear connecting rod are hinged to the load platform respectively, and the load platform is lifted on the telegraph pole along with the climbing mechanism.
The utility model has the technical effects that: the novel electric heating furnace is simple in structure, good in stability, stable in operation and good in use safety. It can climb from top to bottom along the wire pole steadily, and the load platform goes up and down reliable and stable, makes the security of workman and equipment more secure. The novel electric wire climbing device is reasonable in design, easy to operate, capable of saving power, stable and reliable when climbing, and capable of improving safety of patrolling electric wires of workers while reducing labor intensity of the workers.
It has adopted very simple climbing mechanism, and two square frames intersect, and the load platform is hung in the below of climbing mechanism, and under load platform action of gravity, two pairs of climbing wheels cooperate and press from both sides tight wire pole, and climbing mechanism is hanging the load platform, climbs from top to bottom along the wire pole. It also adopts a simple safety device to prevent accidental falling, and the safety is ensured. The utility model has low requirements on the specification of the telegraph pole, low inspection cost and convenient carrying, and is beneficial to ensuring the normal work of the workers who inspect the electric wire and ensuring the electric wire to be always in the normal working state.
Drawings
FIG. 1 is a first perspective view of the first embodiment of the present invention;
FIG. 2 is a second perspective view of the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a safety device according to an embodiment of the present invention;
FIG. 4 is a schematic view of a climbing wheel according to an embodiment of the present invention;
FIG. 5 is a schematic view of a climbing wheel in a three-dimensional structure according to an embodiment of the present invention;
FIG. 6 is a schematic three-dimensional structure of a climbing wheel according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, the climbing mechanism comprises a climbing mechanism 1 and a load-carrying platform 2, wherein the climbing mechanism 1 comprises a first frame 11, a second frame 12, a left front connecting rod 13, a right front connecting rod 14, a left rear connecting rod 15 and a right rear connecting rod 16, the first frame 11 is crossed with the second frame 12, the middle upper parts of the front frame beams of the first frame 11 and the second frame 12 and the middle upper parts of the rear frame beams of the first frame 11 and the second frame 12 are respectively hinged through hinge shafts 17, the left front part of the first frame 11 is hinged with the upper end of the left front connecting rod 13, the left rear part is hinged with the upper end of the left rear connecting rod 15, the right front part of the second frame 12 is hinged with the upper end of the right front connecting rod 14, the right rear part is hinged with the upper end of the right rear connecting rod 16, climbing wheels 18 with front ends rotatably mounted on the front frame beams and rear ends rotatably mounted on the rear frame beams are respectively arranged on the left and right sides of the mutual hinge points of the first frame 11 and the second frame 12, a climbing motor 19 with an output shaft connected with the climbing wheel 18 on the right side of the first frame 11 is arranged on the first frame 11, a climbing speed reduction motor 19 with an output shaft connected with a climbing wheel 18 on the left side of the first square frame 11 is installed on the left side of the second square frame 12, a first electric pull rod 20 with two ends respectively hinged with the left front portion of the first square frame 11 and the right front portion of the second square frame 12 is arranged between the front sides of the first square frame 11 and the second square frame 12, a second electric pull rod 21 with two ends respectively hinged with the left rear portion of the first square frame 11 and the right rear portion of the second square frame 12 is arranged between the rear sides of the first square frame 11 and the second square frame 12, the lower ends of the left front connecting rod 13, the right front connecting rod 14, the left rear connecting rod 15 and the right rear connecting rod 16 are respectively hinged with the load platform 2, and the load platform 2 is lifted together with the climbing mechanism 1 on the telegraph pole.
The first square frame 11 and the second square frame 12 are respectively composed of a front frame beam, a rear frame beam, a left frame beam and a right frame beam which are connected with each other, the left end of the front frame beam of the first square frame 11 is hinged with the upper end of a left front connecting rod 13, the left end of the rear frame beam of the first square frame 11 is hinged with the upper end of a left rear connecting rod 15, the right end of the front frame beam of the second square frame 12 is hinged with the upper end of a right front connecting rod 14, and the right end of the rear frame beam of the second square frame 12 is hinged with the upper end of a right rear connecting rod 16.
A connecting frame 22 and a buffer seat 23 are arranged between the lower ends of the left front connecting rod 13, the right front connecting rod 14, the left rear connecting rod 15 and the right rear connecting rod 16 and the load platform 2, the lower ends of the left front connecting rod 13, the right front connecting rod 14, the left rear connecting rod 15 and the right rear connecting rod 16 are respectively hinged with connecting seats 24 arranged at the left front part, the right front part, the left rear part and the right rear part of the connecting frame 22, the left front part, the right front part, the left rear part and the right rear part of the connecting frame 22 are respectively connected with the load platform 2 through the buffer seats 23, the upper end of each buffer seat 23 is respectively fixed on the connecting frame 22, a connecting bolt 25 and a pressure spring I26 are respectively arranged between each buffer seat 23 and the bottom plate of the load platform 2, the threaded end of each connecting bolt 25 penetrates through a bolt hole on the bottom plate of the load platform 2, a bolt hole on the buffer seat 23 and a pressure spring I26 from bottom to top, a nut and a flat cushion are respectively arranged at the upper end part through threads, two ends of the first pressure spring 26 are respectively matched with the buffer seat 23 and the flat cushion.
The tail ends of the bodies of the first electric pull rod 20 and the second electric pull rod 21 are respectively hinged with a hinged seat arranged on the first square frame 11, buffers 29 are respectively arranged between the pull rods of the first electric pull rod 20 and the second electric pull rod 21 and the second square frame 12, the connecting ends of the buffers 29 and the second square frame 12 are hinged with the hinged seat arranged on the second square frame 12, the heads of the pull rods of the first electric pull rod 20 and the second electric pull rod 21 penetrate through pull rod holes in the buffers 29 and then are sleeved with second pressure springs 30, nuts are arranged at the end parts of the pull rods through threads, and two ends of the second pressure springs 30 are respectively matched with the buffers 29 and the nuts.
The load-bearing platform 2 is composed of a bottom plate 31, an outer peripheral rail 32 and an inner rail 33, wherein the bottom plate 31 is provided with a wire rod groove 34 extending from the middle edge of the bottom plate 31 to one side of the bottom plate 31, the outer peripheral rail 32 extends from one side edge to the other side of the notch of the wire rod groove 34 and is arranged on the periphery of the bottom plate 31, the inner rail 33 is arranged on the periphery of the climbing mechanism 1 and the edge position of the wire rod groove 34 and is connected with the outer peripheral rail 32 at the position of the notch of the wire rod groove 34.
The climbing device further comprises a power supply and a controller, wherein the power supply is connected with the controller to provide power for the controller, and the controller is connected with the climbing speed reducing motor 19, the first electric pull rod 20 and the second electric pull rod 21 to provide power and control signals for the controller.
As shown in fig. 3, safety devices are respectively arranged at the front and back hinged positions of the first square frame 11 and the second square frame 12, each safety device is composed of a ratchet wheel 35, a pawl 36 and a pawl spring 37, the ratchet wheel 35 and a hinge shaft 17 between the first square frame 11 and the second square frame 12 are concentrically and fixedly arranged on the front frame beam and the back frame beam of the second square frame 12, the pawls 36 and the ratchet wheels 35 are matched and hinged on the front frame beam and the back frame beam of the first square frame 11, and the pawl springs 37 are arranged between the pawls 36 and the front frame beam and the back frame beam of the first square frame 11; or the ratchet wheel 35 and the hinge shaft 17 between the first square frame 11 and the second square frame 12 are concentrically arranged on the front frame beam and the rear frame beam of the first square frame 11, the pawl 36 is matched with the ratchet wheel 35 and is hinged on the front frame beam and the rear frame beam of the second square frame 12, the pawl spring 37 is arranged between the pawl 36 and the front frame beam and the rear frame beam of the second square frame 12, the pawl 36 is connected with a pull rod or a pull rib 38 for controlling the clutch of the safety device, and the other end of the pull rod or the pull rib 38 is connected with a control handle arranged on the load-bearing platform 2.
As shown in fig. 4, 5, and 6, each climbing wheel 18 is an arc sheave or a V-shaped sheave whose outer diameter gradually increases from the middle to both ends, each climbing wheel 18 or each climbing wheel 18 is a trapezoidal sheave whose outer diameter gradually increases from both ends to both ends of the climbing wheel 18, and has a constant-diameter section in the middle of the outer diameter.
Each climbing wheel 18 is composed of a metal wheel body 39 and a wheel rim 40 made of anti-skid elastic material sleeved outside the wheel body 39.
The working principle is as follows:
before the robot is used, the robot needs to be installed on a telegraph pole, firstly, a frame of a climbing mechanism 1 is opened, two climbing wheels 18 on a first square frame 11 and a second square frame 12 are respectively positioned on different side pressures of the telegraph pole and pressed on the outer wall of the telegraph pole, and then the frame of the climbing mechanism 1 is connected, so that the robot can be ready to climb upwards on the telegraph pole. The weight of the load-bearing platform 2 presses the lower ends of the left front connecting rod 13, the right front connecting rod 14, the left rear connecting rod 15 and the right rear connecting rod 16 to drive the left lower side of the first square frame 11, the right lower side of the second square frame 12, the right upper side of the first square frame 11 and the left upper side of the second square frame 12 to be folded together in a straight direction, so that the two pairs of climbing wheels 18 on the first square frame 11 and the second square frame 12 are matched to hold the telegraph pole tightly all the time.
When the robot climbs, the climbing speed reduction motor 19 drives the two driving climbing wheels 18 above the first square frame 11 and the second square frame 12 to rotate downwards in opposite directions, the two driven climbing wheels 18 below also rotate downwards in opposite directions, friction force is generated on the surface of the telegraph pole, and the climbing mechanism 1 drives the load-bearing platform 2 to climb upwards. Meanwhile, under the control action of the control device, the first electric pull rod 20 and the second electric pull rod 21 can be gradually tightened along with the rotation of the climbing wheels 18, so that the two pairs of climbing wheels 18 have enough pressure and clamping force on the outer wall of the telegraph pole, and the climbing mechanism 1 is ensured to drive the load-bearing platform 2 to safely climb upwards on the telegraph pole. When the whole device ascends, the safety device between the first square frame 11 and the second square frame 12 also synchronously acts, along with the gradual rotation of the ratchet wheel 35 relative to the pawl 36, the pawl 36 can be gradually meshed with the ratchets 36 at different positions on the ratchet wheel 35 under the action of the pawl spring 37, so that the climbing wheels 18 matched with each other on the left and the right of the first square frame 11 and the second square frame 12 can only be folded and cannot be outwards expanded, the climbing mechanism is suitable for the telegraph pole to be thinner upwards, and meanwhile, the climbing mechanism 1 and the load platform 2 can be prevented from accidentally falling down, and the safety guarantee effect is achieved.
After the robot rises to a proper height, the personnel and equipment carried on the robot can maintain and overhaul the power system.
When the robot descends, firstly, the safety device is opened by utilizing the control handle, the climbing speed reduction motor 19 can be controlled to rotate reversely, and meanwhile, the first electric pull rod 20 and the second electric pull rod 21 are controlled to gradually relax, so that the climbing mechanism 1 drives the load platform 2 to climb downwards along the telegraph pole until the robot safely descends to the ground. After the robot is taken off from the telegraph pole, the robot can be used for other electric wires to climb continuously.
Claims (10)
1. Gravity is from locking-type wire pole load climbing robot, it includes climbing mechanism (1) and load platform (2), its characterized in that: the climbing mechanism (1) comprises a first frame (11), a second frame (12), a left front connecting rod (13), a right front connecting rod (14), a left rear connecting rod (15) and a right rear connecting rod (16), wherein the first frame (11) and the second frame (12) are crossed, the middle upper parts of front frame beams of the first frame (11) and the second frame (12) and the middle upper parts of rear frame beams of the first frame (11) and the second frame (12) are respectively hinged through hinge shafts (17), the left front part of the first frame (11) is hinged with the upper end of the left front connecting rod (13), the left rear part is hinged with the upper end of the left rear connecting rod (15), the right front part of the second frame (12) is hinged with the upper end of the right front connecting rod (14), the right rear part is hinged with the upper end of the right rear connecting rod (16), the left and right sides of the mutual hinged points of the first frame (11) and the second frame (12) are respectively provided with climbing wheels (18) with front ends rotatably mounted on the front frame beams and rear ends rotatably mounted on the rear frame beams, a climbing speed reducing motor (19) with an output shaft connected with a climbing wheel (18) on the right side of the first frame (11) is installed on the right side of the first frame (11), a climbing speed reducing motor (19) with an output shaft connected with a climbing wheel (18) on the left side of the first frame (11) is installed on the left side of the second frame (12), a first electric pull rod (20) with two ends respectively hinged with the left front part of the first frame (11) and the right front part of the second frame (12) is arranged between the front sides of the first frame (11) and the second frame (12), a second electric pull rod (21) with two ends respectively hinged with the left rear part of the first frame (11) and the right rear part of the second frame (12), a left front connecting rod (13) and a right front connecting rod (14) are arranged between the rear sides of the first frame (11) and the second frame (12), the lower ends of the left rear connecting rod (15) and the right rear connecting rod (16) are respectively hinged with the load carrying platform (2), and the load carrying platform (2) is lifted on the telegraph pole along with the climbing mechanism (1).
2. The gravity self-locking type telegraph pole load climbing robot as claimed in claim 1, wherein the first square frame (11) and the second square frame (12) are respectively composed of a front frame beam, a rear frame beam, a left frame beam and a right frame beam which are connected with each other, the left end of the front frame beam of the first square frame (11) is hinged with the upper end of a left front connecting rod (13), the left end of the rear frame beam of the first square frame (11) is hinged with the upper end of a left rear connecting rod (15), the right end of the front frame beam of the second square frame (12) is hinged with the upper end of a right front connecting rod (14), and the right end of the rear frame beam of the second square frame (12) is hinged with the upper end of a right rear connecting rod (16).
3. The gravity self-locking telegraph pole load climbing robot as claimed in claim 1, wherein a connecting frame (22) and a buffer seat (23) are arranged between the lower ends of the left front connecting rod (13), the right front connecting rod (14), the left rear connecting rod (15) and the right rear connecting rod (16) and the load platform (2), the lower ends of the left front connecting rod (13), the right front connecting rod (14), the left rear connecting rod (15) and the right rear connecting rod (16) are respectively hinged with connecting seats (24) arranged at the left front part, the right front part, the left rear part and the right rear part of the connecting frame (22), the left front part, the right front part, the left rear part and the right rear part of the connecting frame (22) are respectively connected with the load platform (2) through the buffer seat (23), the upper ends of the buffer seats (23) are respectively fixed on the connecting frame (22), a connecting bolt (25) and a first pressure spring (26) are respectively arranged between the buffer seats (23) and the bottom plate of the load platform (2), the threaded end of each connecting bolt (25) penetrates through a bolt hole in a bottom plate of the loading platform (2), a bolt hole in the buffer seat (23) and a central hole of the first pressure spring (26) from bottom to top, the upper end of each connecting bolt is provided with a nut and a flat pad through threads, and two ends of the first pressure spring (26) are matched with the buffer seat (23) and the flat pad respectively.
4. The gravity self-locking type telegraph pole load climbing robot as claimed in claim 1, wherein the climbing deceleration motor (19) is composed of a gear reducer (27) and a servo motor (28), an output shaft of the servo motor (28) is connected with an input shaft of the gear reducer (27), and an output shaft of the gear reducer (27) is connected with a climbing wheel shaft at one end of the climbing wheel (18) matched with the gear reducer to drive the climbing wheel (18) to rotate.
5. The gravity self-locking type telegraph pole load climbing robot is characterized in that tail ends of bodies of the first electric pull rod (20) and the second electric pull rod (21) are respectively hinged with a hinged seat arranged on the first square frame (11), a buffer (29) is arranged between a pull rod of the first electric pull rod (20) and the second electric pull rod (21) and the second square frame (12), a connecting end of the buffer (29) and the second square frame (12) is hinged with the hinged seat arranged on the second square frame (12), a pressure spring second (30) is sleeved after heads of the pull rods of the first electric pull rod (20) and the second electric pull rod (21) penetrate through a pull rod hole in the buffer (29), nuts are installed at the end portions of the pull rods through threads, and two ends of the pressure spring second (30) are respectively matched with the buffer (29) and the nuts.
6. The gravity self-locking type telegraph pole load climbing robot as claimed in claim 1, wherein the load platform (2) is composed of a base plate (31), an outer fence (32) and an inner rail (33), the base plate (31) is provided with a wire rod groove (34) extending from the middle edge of the base plate (31) to one side of the base plate (31), the outer fence (32) extends from one side of the notch of the wire rod groove (34) to the other side and is installed on the periphery of the base plate (31), the inner rail (33) is installed on the periphery of the climbing mechanism (1) and the edge position of the wire rod groove (34) and is connected with the outer fence (32) at the notch position of the wire rod groove (34).
7. The gravity self-locking type telegraph pole load climbing robot as claimed in claim 1, further comprising a power supply and a controller, wherein the power supply is connected with the controller to provide power for the controller, and the controller is connected with the climbing speed reduction motor (19), the electric pull rod I (20) and the electric pull rod II (21) to provide power and control signals for the climbing speed reduction motor.
8. The gravity self-locking type telegraph pole load climbing robot is characterized in that safety devices are respectively arranged at the front and back hinged positions of the first square frame (11) and the second square frame (12), each safety device is composed of a ratchet wheel (35), a pawl (36) and a pawl spring (37), the ratchet wheels (35) and hinge shafts (17) between the first square frame (11) and the second square frame (12) are concentrically and fixedly arranged on a front frame beam and a rear frame beam of the second square frame (12), the pawls (36) and the ratchet wheels (35) are matched and hinged on the front frame beam and the rear frame beam of the first square frame (11), and the pawl springs (37) are arranged between the pawls (36) and the front frame beam and the rear frame beam of the first square frame (11); or the ratchet wheel (35) and the hinge shaft (17) between the first square frame (11) and the second square frame (12) are concentrically arranged on the front frame beam and the rear frame beam of the first square frame (11), the pawl (36) and the ratchet wheel (35) are matched and hinged on the front frame beam and the rear frame beam of the second square frame (12), the pawl spring (37) is arranged between the pawl (36) and the front frame beam and the rear frame beam of the second square frame (12), the pawl (36) is connected with a pull rod or a pull rib (38) for controlling the clutch of the safety device, and the other end of the pull rod or the pull rib (38) is connected with a control handle arranged on the load-carrying platform (2).
9. The gravity self-locking type telegraph pole load climbing robot as claimed in claim 1, wherein each climbing wheel (18) is an arc-shaped grooved wheel or a V-shaped grooved wheel with the outer diameter gradually becoming thicker from the middle part to the two ends, each climbing wheel (18) or the middle part of the outer diameter is provided with a section of constant-diameter section, and the two ends of the constant-diameter section gradually become thicker towards the two ends of the climbing wheel (18).
10. The gravity self-locking type telegraph pole load-carrying climbing robot as claimed in claim 1, wherein each climbing wheel (18) is respectively composed of a metal wheel body (39) and a wheel hoop (40) made of anti-skid elastic material sleeved outside the wheel body (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122482167.4U CN216319825U (en) | 2021-10-15 | 2021-10-15 | Gravity self-locking type telegraph pole load climbing robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122482167.4U CN216319825U (en) | 2021-10-15 | 2021-10-15 | Gravity self-locking type telegraph pole load climbing robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216319825U true CN216319825U (en) | 2022-04-19 |
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ID=81177438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122482167.4U Active CN216319825U (en) | 2021-10-15 | 2021-10-15 | Gravity self-locking type telegraph pole load climbing robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216319825U (en) |
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2021
- 2021-10-15 CN CN202122482167.4U patent/CN216319825U/en active Active
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Effective date of registration: 20220610 Address after: 222300 167 East Heping Road, Niu Shan town, Donghai County, Lianyungang, Jiangsu Patentee after: DONGHAI POWER SUPPLY BRANCH OF STATE GRID JIANGSU ELECTRIC POWER CO.,LTD. Patentee after: Lianyungang power supply branch of State Grid Jiangsu Electric Power Co., Ltd Address before: 222300 167 East Heping Road, Niu Shan town, Donghai County, Lianyungang, Jiangsu Patentee before: DONGHAI POWER SUPPLY BRANCH OF STATE GRID JIANGSU ELECTRIC POWER CO.,LTD. |