CN110700611A - Anti-falling net for power transmission construction - Google Patents
Anti-falling net for power transmission construction Download PDFInfo
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- CN110700611A CN110700611A CN201910966157.2A CN201910966157A CN110700611A CN 110700611 A CN110700611 A CN 110700611A CN 201910966157 A CN201910966157 A CN 201910966157A CN 110700611 A CN110700611 A CN 110700611A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims abstract description 23
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
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- 229910052751 metal Inorganic materials 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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- Emergency Lowering Means (AREA)
Abstract
The invention relates to a power transmission construction anti-falling net which comprises an anti-falling net body, a supporting rod, a rotating shaft and supporting legs, wherein the rotating shaft is arranged at the upper end of the supporting rod, the supporting legs are arranged at the lower end of the supporting rod, and the anti-falling net body comprises a fan-shaped net body, and a fixed rod and a movable rod which are arranged at two ends of the fan-shaped net body; the fixed rod is fixedly connected with the supporting rod, and the movable rod is fixedly connected with the rotating shaft. The invention has high safety and simple structure, and can prevent the falling object from high altitude and prevent ground workers from being injured by crashing.
Description
Technical Field
The invention relates to the field of power maintenance support, in particular to a falling prevention net for power transmission construction.
Background
In recent years, with the rapid increase of national economy, the power industry develops rapidly, and the rapid development of the transmission line iron tower industry is promoted. According to statistics, the sales income of the transmission line iron tower industry in China is increased from 50 billion yuan in 2003 to 426 billion yuan in 2010, the annual composite growth rate reaches 36.68%, and the industry is in a rapid development period. In 2010, the transmission line iron tower industry in China presents a good development situation, and enterprises in the industry have high management and control capacity on cost and high profit capacity.
Transmission line towers are tower structures used to support and suspend conductors, overhead lines and other accessories, such as high-rise structures that maintain a specified safe distance from conductor to conductor, conductor to tower, conductor to overhead line, conductor to ground or crossover span.
It is generally divided into: wine glass type, cat head type, upper font type, dry font type and barrel type, according to the usage divide into: strain tower, tangent tower, angle tower, transposition tower (changing wire phase position tower), terminal tower and crossing tower.
According to the application of the tower in the transmission line, the tower can be divided into a straight tower, a strain tower, a corner tower, a transposition tower, a crossing tower and a terminal tower. The method comprises the steps that a linear tower and a strain tower are arranged on a straight line section of a line, a corner tower is arranged at a turning position of a power transmission line, higher spanning towers are arranged on two sides of a crossed spanning object respectively, transposition towers are arranged at certain intervals for balancing the impedance of three wires, and a terminal tower is arranged at a connecting position of the power transmission line and a power transformation framework.
The towers used in the transmission line are mainly reinforced concrete poles and iron towers according to the classification of structural materials of the towers. The method is divided into a self-standing tower and a stay wire tower in terms of maintaining the overall stability of the structure. The structure forms of the pole towers are various, and from the established transmission lines in China, the iron towers are frequently used in the transmission lines with the voltage level of more than 110 kV; when the voltage level is less than 66kV, reinforced concrete poles are often used. The tower stay wire is used for balancing the transverse load and the wire tension of the tower, reducing the bending moment at the root of the tower, reducing the consumption of tower materials and reducing the manufacturing cost of a line. On the path of a region with flat terrain, the use of the stay wire tower is common. The type and the shape of the tower are selected according to the voltage grade, the loop number, the topographic condition, the geological condition and the like of the transmission line while meeting the electrical requirements through checking calculation, the tower type suitable for a certain project is selected according to the actual condition, and finally the tower type with advanced technology, economy and reasonability is selected through economic technology comparison.
When transmission line broke down and need the maintenance, need the maintenance workman to climb on the height frame, still need simultaneously ground personnel to connect each other and should cooperate, in order to guarantee high altitude construction's safety, need cooperate anti-falling device during the construction. The anti-falling device for the power transmission line construction is a falling protector with a sliding rail fixed on a tower, and the anti-falling device can only play a role in preventing falling for operating personnel on the tower and can not prevent objects falling from high altitude during operation on the tower, so that certain potential safety hazards exist for the personnel working on the ground in a matched manner.
Disclosure of Invention
The invention aims to provide a falling prevention net for power transmission construction, which is high in safety and simple in structure and can prevent ground workers from being injured by falling objects from high altitude.
The invention adopts the following technical scheme:
the anti-falling net for power transmission construction comprises an anti-falling net, a supporting rod, a rotating shaft arranged at the upper end of the supporting rod and a supporting leg arranged at the lower end of the supporting rod, wherein the anti-falling net comprises a fan-shaped net body, and a fixed rod and a movable rod which are arranged at two ends of the fan-shaped net body; the fixed rod is fixedly connected with the supporting rod, and the movable rod is fixedly connected with the rotating shaft.
Furthermore, the fan-shaped net body is provided with reinforcing ribs along the radial direction of the fan-shaped net body.
Furthermore, the supporting rod is a telescopic rod.
Furthermore, the fixed rod and the movable rod are telescopic rods.
Furthermore, a rotary motor is arranged at the upper end of the supporting rod, and the rotary shaft is connected with a driving shaft of the rotary motor.
Furthermore, a reinforcing support rod is arranged between the fixing rod and the support rod.
Furthermore, the reinforcing support rod is a telescopic rod.
Furthermore, a pressure sensor is arranged on the reinforcing support rod.
Furthermore, a controller connected with a pressure sensor is arranged on the supporting rod.
Furthermore, an alarm connected with the controller is arranged on the supporting rod.
The invention has the beneficial effects that: the anti-falling net is supported by the supporting rods and is separated from the ground by a proper distance, so that objects falling from the high altitude can fall onto the anti-falling net when falling, and the auxiliary personnel on the ground are prevented from being injured by potential energy. Meanwhile, the high-altitude operation personnel can play a certain secondary protection role when falling.
Bracing piece, dead lever and carriage release lever all can stretch out and draw back the regulation, can conveniently carry and accomodate. The pressure sensor is arranged on the reinforcing support rod and connected with the controller, when falling objects fall on the anti-falling net at high altitude, the pressure sensor is triggered, at the moment, the controller controls the alarm to sound an alarm to prompt personnel below the power transmission tower to pay attention and implement subsequent processing.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic side view of the structure of embodiment 1.
FIG. 3 is a schematic side view of the structure of embodiment 2.
FIG. 4 is a schematic side view of the structure of embodiment 3.
FIG. 5 is a schematic side view of the structure of embodiment 4.
Wherein, 1 bracing piece, 2 pivot, 3 supporting legss, 4 fan-shaped dictyosome, 5 dead levers, 6 movable rods, 7 strengthening ribs, 8 swing motors, 9 reinforce branch, 10 pressure sensor, 11 controllers, 12 sirens.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example 1
As shown in fig. 1 ~ and fig. 2, the anti-falling net for power transmission construction comprises an anti-falling net, a support rod 1, a rotating shaft 2 arranged at the upper end of the support rod 1 and a support foot 3 arranged at the lower end of the support rod 1, wherein the anti-falling net comprises a fan-shaped net body 4, and a fixed rod 5 and a movable rod 6 which are arranged at two ends of the fan-shaped net body 4, the fixed rod 5 is fixedly connected with the support rod 1, and the movable rod 6 is fixedly connected with the rotating shaft 2.
The fan-shaped net body 4 is provided with a reinforcing rib 7 along the radial direction. The fan-shaped net body is fan-shaped with the supporting rod as the center of a circle, the material is nylon or PE material, the net holes are about 10cm x 10cm, and the color of the net body is preferably red, so that the identification is convenient and the attention is attracted.
The reinforcing ribs are used for improving the radial supporting force of the net body, the reinforcing ribs can be arranged in the axial direction concentrically for further improving the strength, and for reducing the weight, the reinforcing ribs can be soft metal wires or ropes formed by twisting nylon, PE materials and metal wires in a mixed mode, so that the strength of the whole anti-falling net is improved.
When the anti-falling net is used, the supporting rod is erected on the periphery of a power transmission tower, the supporting leg is a sharp foot, the supporting rod can be conveniently inserted into soil and is convenient to fix, the height of the whole supporting rod is 2 ~ 2.5.5 m, the radius of the fan-shaped net body is 2.5 ~ 3m, the operation and the operation of an operator at the bottom of the power transmission tower below the tower are facilitated, the influence is avoided, the operator works at high altitude, if the operator drops objects accidentally during replacing the parts, the anti-falling net can catch the falling objects, the injury of the falling objects to the operator at the bottom of the tower is prevented, and of course, if the operator at the high altitude falls accidentally, the anti-falling net can also protect the operator to.
Example 2
A power transmission construction anti-falling net comprises an anti-falling net, a support rod 1, a rotating shaft 2 arranged at the upper end of the support rod 1 and a support leg 3 arranged at the lower end of the support rod 1, wherein the anti-falling net comprises a fan-shaped net body 4, and a fixed rod 5 and a movable rod 6 which are arranged at two ends of the fan-shaped net body 4; the fixed rod 5 is fixedly connected with the support rod 1, and the movable rod 6 is fixedly connected with the rotating shaft 2.
The fan-shaped net body 4 is provided with a reinforcing rib 7 along the radial direction. The fan-shaped net body is fan-shaped with the supporting rod as the center of a circle, the material is nylon or PE material, the net holes are about 10cm x 10cm, and the color of the net body is preferably red, so that the identification is convenient and the attention is attracted.
Different from embodiment 1, the supporting legs and the supporting rods can be designed to be detachable, for example, the bottom of the supporting rod and the upper part of the supporting legs are provided with mutually matched threads, and if the base of the power transmission tower is a hard hardened pavement, the supporting legs can be replaced by a round fixed disc, as shown in fig. 3.
Example 3
A power transmission construction anti-falling net comprises an anti-falling net, a support rod 1, a rotating shaft 2 arranged at the upper end of the support rod 1 and a support leg 3 arranged at the lower end of the support rod 1, wherein the anti-falling net comprises a fan-shaped net body 4, and a fixed rod 5 and a movable rod 6 which are arranged at two ends of the fan-shaped net body 4; the fixed rod 5 is fixedly connected with the support rod 1, and the movable rod 6 is fixedly connected with the rotating shaft 2.
The fan-shaped net body 4 is provided with a reinforcing rib 7 along the radial direction. The fan-shaped net body is fan-shaped with the supporting rod as the center of a circle, the material is nylon or PE material, the net holes are about 10cm x 10cm, and the color of the net body is preferably red, so that the identification is convenient and the attention is attracted.
The support rod 1 is a telescopic rod. The fixed rod 5 and the movable rod 6 are telescopic rods.
The upper end of the support rod 1 is provided with a rotary motor 8, and the rotary shaft 2 is connected with a driving shaft of the rotary motor 8.
With embodiment 1 and 2, lie in the bracing piece upper end rather than the difference and set up rotating electrical machines, rotating electrical machines drives the carriage release lever and rotates, makes things convenient for opening of whole fan-shaped dictyosome, during the operation, can with the bracing piece after fixed firm, present carry the bracing piece into the purpose height, then open rotating electrical machines, rotating electrical machines drives the carriage release lever and rotates, makes whole fan-shaped dictyosome strut, convenient operation, the installation is swift.
Example 4
A power transmission construction anti-falling net comprises an anti-falling net, a support rod 1, a rotating shaft 2 arranged at the upper end of the support rod 1 and a support leg 3 arranged at the lower end of the support rod 1, wherein the anti-falling net comprises a fan-shaped net body 4, and a fixed rod 5 and a movable rod 6 which are arranged at two ends of the fan-shaped net body 4; the fixed rod 5 is fixedly connected with the support rod 1, and the movable rod 6 is fixedly connected with the rotating shaft 2.
The fan-shaped net body 4 is provided with a reinforcing rib 7 along the radial direction. The fan-shaped net body is fan-shaped with the supporting rod as the center of a circle, the material is nylon or PE material, the net holes are about 10cm x 10cm, and the color of the net body is preferably red, so that the identification is convenient and the attention is attracted.
The support rod 1 is a telescopic rod. The fixed rod 5 and the movable rod 6 are telescopic rods.
The upper end of the support rod 1 is provided with a rotary motor 8, and the rotary shaft 2 is connected with a driving shaft of the rotary motor 8.
A reinforcing support rod 9 is arranged between the fixed rod 5 and the support rod 1. The reinforcing support rod 9 is a telescopic rod.
The reinforcing strut 9 is provided with a pressure sensor 10. The support rod 1 is provided with a controller 11 connected with a pressure sensor 10. The support bar 1 is provided with an alarm 12 connected with a controller 11.
Different from the embodiment 3, a reinforcing support rod is additionally arranged between the support rod and the fixed rod. For a large fan-shaped net body, the overlong fixed rod cannot meet the requirement for rigidity, the effect of reinforcing the supporting rod is similar to that of an angle steel, the fixed rod can be lifted from the lower part, and the stability of the whole structure is guaranteed. The reinforcing support rod can be a hydraulic cylinder or an oil cylinder and the like.
In addition, the pressure sensor is arranged on the reinforcing support rod, when falling objects fall into the anti-falling net, downward impact can be given to the net body, and the reinforcing support rod can be pressed by the fixing rod at the moment, so that the pressure sensor starts. The signal of the pressure sensor is transmitted to the controller, and the controller controls the alarm to give out alarm sound (or alarm light) to prompt relevant personnel to pay attention to safety.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The anti-falling net for power transmission construction is characterized by comprising an anti-falling net, a supporting rod (1), a rotating shaft (2) arranged at the upper end of the supporting rod (1) and a supporting leg (3) arranged at the lower end of the supporting rod (1), wherein the anti-falling net comprises a fan-shaped net body (4), and a fixed rod (5) and a movable rod (6) which are arranged at two ends of the fan-shaped net body (4); the fixed rod (5) is fixedly connected with the support rod (1), and the movable rod (6) is fixedly connected with the rotating shaft (2).
2. The anti-falling net for power transmission construction according to claim 1, characterized in that the fan-shaped net body (4) is provided with a reinforcing rib (7) along the radial direction thereof.
3. The anti-falling net for power transmission construction according to claim 2, wherein the support rods (1) are telescopic rods.
4. The anti-falling net for power transmission construction according to claim 3, wherein the fixed rod (5) and the movable rod (6) are telescopic rods.
5. The anti-falling net for power transmission construction according to claim 2, characterized in that a rotary motor (8) is arranged at the upper end of the support rod (1), and the rotary shaft (2) is connected with a driving shaft of the rotary motor (8).
6. The anti-falling net for power transmission construction according to claim 2, characterized in that a reinforcing support rod (9) is arranged between the fixing rod (5) and the support rod (1).
7. The anti-falling net for power transmission construction according to claim 6, characterized in that the reinforcing strut (9) is a telescopic rod.
8. The anti-falling net for power transmission construction according to claim 7, characterized in that a pressure sensor (10) is arranged on the reinforcing strut (9).
9. The anti-falling net for power transmission construction according to claim 8, characterized in that a controller (11) connected with a pressure sensor (10) is arranged on the support rod (1).
10. The grid for preventing the falling during the power transmission construction according to the claim 9 is characterized in that an alarm (12) connected with a controller (11) is arranged on the supporting rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910966157.2A CN110700611A (en) | 2019-10-12 | 2019-10-12 | Anti-falling net for power transmission construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910966157.2A CN110700611A (en) | 2019-10-12 | 2019-10-12 | Anti-falling net for power transmission construction |
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| CN110700611A true CN110700611A (en) | 2020-01-17 |
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| CN201910966157.2A Pending CN110700611A (en) | 2019-10-12 | 2019-10-12 | Anti-falling net for power transmission construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117706A (en) * | 2020-10-15 | 2020-12-22 | 广东电网有限责任公司 | Storage device |
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| KR20120060730A (en) * | 2010-12-02 | 2012-06-12 | 김용남 | A safety net for electric pole |
| CN105952236A (en) * | 2016-06-14 | 2016-09-21 | 国网浙江省电力公司嘉兴供电公司 | Anti-falling protection device for work object on electric pole |
| CN205805091U (en) * | 2016-06-14 | 2016-12-14 | 国网浙江省电力公司嘉兴供电公司 | Work items Anti-fall protection device on electric power bar |
| CN206174495U (en) * | 2016-11-16 | 2017-05-17 | 重庆工程职业技术学院 | Thing device is prevented weighing down in construction |
| CN206299141U (en) * | 2016-12-02 | 2017-07-04 | 芜湖联创建筑设计有限公司 | A kind of construction protection network |
| KR20190052489A (en) * | 2017-11-08 | 2019-05-16 | 한국전력공사 | Safety foothold and fall prevention device |
| CN209316869U (en) * | 2018-11-05 | 2019-08-30 | 北京市电信工程局有限公司 | A kind of communication equipment installation high-altitude safe protective device |
| CN211114931U (en) * | 2019-10-12 | 2020-07-28 | 国家电网有限公司 | Anti-falling net for power transmission construction |
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2019
- 2019-10-12 CN CN201910966157.2A patent/CN110700611A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120060730A (en) * | 2010-12-02 | 2012-06-12 | 김용남 | A safety net for electric pole |
| CN105952236A (en) * | 2016-06-14 | 2016-09-21 | 国网浙江省电力公司嘉兴供电公司 | Anti-falling protection device for work object on electric pole |
| CN205805091U (en) * | 2016-06-14 | 2016-12-14 | 国网浙江省电力公司嘉兴供电公司 | Work items Anti-fall protection device on electric power bar |
| CN206174495U (en) * | 2016-11-16 | 2017-05-17 | 重庆工程职业技术学院 | Thing device is prevented weighing down in construction |
| CN206299141U (en) * | 2016-12-02 | 2017-07-04 | 芜湖联创建筑设计有限公司 | A kind of construction protection network |
| KR20190052489A (en) * | 2017-11-08 | 2019-05-16 | 한국전력공사 | Safety foothold and fall prevention device |
| CN209316869U (en) * | 2018-11-05 | 2019-08-30 | 北京市电信工程局有限公司 | A kind of communication equipment installation high-altitude safe protective device |
| CN211114931U (en) * | 2019-10-12 | 2020-07-28 | 国家电网有限公司 | Anti-falling net for power transmission construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117706A (en) * | 2020-10-15 | 2020-12-22 | 广东电网有限责任公司 | Storage device |
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