CN111276874A - Power grid isolation device - Google Patents
Power grid isolation device Download PDFInfo
- Publication number
- CN111276874A CN111276874A CN202010266086.8A CN202010266086A CN111276874A CN 111276874 A CN111276874 A CN 111276874A CN 202010266086 A CN202010266086 A CN 202010266086A CN 111276874 A CN111276874 A CN 111276874A
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- Prior art keywords
- wall
- support column
- column
- isolation device
- bolts
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/14—Shutters or guards for preventing access to contacts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1417—Post-and-rail fences, e.g. without vertical cross-members with vertical cross-members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1447—Details of connections between rails and posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1447—Details of connections between rails and posts
- E04H17/1452—Details of connections between rails and posts the ends of the rails are fixed on the lateral sides of the posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1447—Details of connections between rails and posts
- E04H17/1465—Details of connections between rails and posts the rails being supported within blind or through holes of the posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1447—Details of connections between rails and posts
- E04H17/1486—Details of connections between rails and posts the rails being positioned between the uprights of double posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/1005—Outdoor lighting of working places, building sites or the like
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a power grid isolation device which comprises a first support column and a second support column, wherein the top and the bottom of the outer wall of one side of the first support column and the outer wall of one side of the second support column are both connected with a limiting column through bolts, the outer wall of the other side of the limiting column is connected with a limiting round block through bolts, the top and the bottom of the outer wall of one side of the first support column and the outer wall of one side of the second support column are both connected with a telescopic spring through bolts, the outer wall of the other side of the telescopic spring is connected with a connecting round ring through bolts, the telescopic spring is positioned on the circumferential outer wall of the limiting column, and thread grooves are formed in the top and the bottom of. According to the invention, the isolation device can be conveniently detached and installed by arranging the first support column, the second support column, the first connecting column, the second connecting column and the vertical rod, so that workers can conveniently detach and move the isolation device, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of power grids, in particular to a power grid isolation device.
Background
The whole of the substation and the transmission and distribution line of various voltages in the power system is called as a power grid. The system comprises three units of power transformation, power transmission and power distribution. The task of the power grid is to deliver and distribute electrical energy, changing the voltage.
The power system has the characteristic of hierarchical structure, namely the power system is composed of a station and a line, and the station is composed of a switch, a disconnecting link, a bus, a transformer, a generator, a capacitor, a load line and other equipment. The power station is connected through the lines to form a network topology, the electrical equipment is connected through the switches and the switch blades to form the power station topology, isolation guardrails are arranged nearby the existing substation, and the existing guardrails are inconvenient to detach and install and inconvenient to use by people.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and the provided power grid isolation device can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power grid isolation device comprises a first support column and a second support column, wherein the top and the bottom of the outer wall of one side of the first support column and the second support column are both connected with a limiting column through bolts, the outer wall of the other side of the limiting column is connected with a limiting round block through bolts, the top and the bottom of the outer wall of one side of the first support column and the second support column are both connected with a telescopic spring through bolts, the outer wall of the other side of the telescopic spring is connected with a connecting ring through bolts, the telescopic spring is positioned on the outer wall of the circumference of the limiting column, the top and the bottom of the outer wall of the other side of the first support column and the second support column are both provided with thread grooves, the inner walls of the thread grooves are respectively connected with a first connection column and a second connection column through thread rotation, the outer wall of one side of the first connection column and the outer wall of one, the spliced eye that the equidistance distributes is seted up to the top outer wall of second spliced pole, and the inner wall of spliced eye pegs graft and has the montant, and the top outer wall of montant has the rotation circle piece through bolted connection, one side outer wall that first support column and second support column are close to each other all has the installation piece through bolted connection, and the top outer wall of two installation pieces has the fixed plate that same level was placed through bolted connection, and the top outer wall of fixed plate has solar cell panel through bolted connection.
Preferably, a rectangular groove is formed in the outer wall of one end of the first supporting column, and a door plate is hinged to the inner wall of one side of the rectangular groove through a hinge.
Preferably, the inner wall of the bottom of the rectangular groove is connected with a storage battery through a screw, and the inner wall of the top of the rectangular groove is connected with a processor through a screw.
Preferably, the top outer walls of the first supporting column and the second supporting column are both connected with an illuminating lamp through bolts, and the top outer walls of the first supporting column and the second supporting column are both connected with a transparent protective cover through bolts.
Preferably, the outer walls of the bottoms of the first supporting column and the second supporting column are both connected with mounting seats through bolts.
Preferably, the outer wall of one end of the first support column is connected with a photosensitive sensor through a screw, and the photosensitive sensor is electrically connected with the signal input end of the processor through a signal line.
Preferably, the outer wall of the top of the first connecting column is provided with circular grooves distributed equidistantly, and the inner diameter of each circular groove is matched with the circumferential outer wall of the corresponding vertical rod.
Preferably, dustproof rubber sleeve has all been pasted to first support column and second support column one side outer wall top and bottom, and dustproof rubber sleeve opposite side outer wall pastes with the circumference outer wall of connecting ring one side.
Compared with the prior art, the invention has the beneficial effects that:
1. through being provided with first support column, second support column, first spliced pole, second spliced pole and montant, make isolating device can conveniently dismantle and install, make things convenient for the staff to load and unload the isolating device and remove, improved work efficiency.
2. Through being provided with spacing boss, connection ring, spacing post, expanding spring and dustproof rubber sleeve, can make first spliced pole and second spliced pole connect closely, be provided with solar cell panel, can turn into the electric energy with solar energy, make isolating device become environmental protection and energy saving, be favorable to the staff to use.
3. Through being provided with light, photosensitive sensor and transparent protection casing, when light intensity is not enough, treater control light is opened, can provide the illumination for the pedestrian, is favorable to improving the security.
Drawings
Fig. 1 is a schematic cross-sectional structural diagram of a power grid isolation device according to the present invention;
fig. 2 is a schematic front view of a power grid isolation apparatus according to the present invention;
fig. 3 is a schematic diagram of a partially enlarged structure of a power grid isolation device according to the present invention.
In the figure: 1 light, 2 treater, 3 rectangular channel, 4 batteries, 5 thread grooves, 6 first support columns, 7 mount pads, 8 circular ports, 9 spacing circle pieces, 10 second support columns, 11 first connecting columns, 12 connection rings, 13 montants, 14 spacing posts, 15 photosensitive sensor, 16 installation pieces, 17 rotation circle pieces, 18 fixed plates, 19 solar cell panel, 20 transparent protection covers, 21 expanding spring, 22 dustproof rubber sleeve, 23 door panels, 24 second connecting columns.
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. 1-3, a power grid isolation device comprises a first support column 6 and a second support column 10, the top and the bottom of the outer wall of one side of the first support column 6 and the second support column 10 are both connected with a limit column 14 through bolts, the outer wall of the other side of the limit column 14 is connected with a limit round block 9 through bolts, the top and the bottom of the outer wall of one side of the first support column 6 and the second support column 10 are both connected with a telescopic spring 21 through bolts, the outer wall of the other side of the telescopic spring 21 is connected with a connecting ring 12 through bolts, the telescopic spring 21 is positioned on the outer wall of the circumference of the limit column 14, the inner diameter of the connecting ring 12 is matched with the outer diameter of the limit column 14, the top and the bottom of the outer wall of the other side of the first support column 6 and the second support column 10 are both provided with threaded grooves 5, the inner wall of the threaded grooves 5 is respectively connected with a first connection column 11 and a second connection column, and the internal diameter of circular port 8 and the external diameter phase-match of spacing circle piece 9, the spliced eye that the equidistance distributes is seted up to the top outer wall of second spliced pole 24, and the inner wall grafting of spliced eye has montant 13, the top outer wall of montant 13 has rotation circle piece 17 through bolted connection, montant 13 circumference outer wall bottom all is seted up threadedly, first support column 6 and second support column 10 one side outer wall that is close to each other all have installation piece 16 through bolted connection, and the top outer wall of two installation pieces 16 has fixed plate 18 that same level was placed through bolted connection, there is solar cell panel 19 through bolted connection at the top outer wall of fixed plate 18.
In the invention, the outer wall of one end of a first support column 6 is provided with a rectangular groove 3, the inner wall of one side of the rectangular groove 3 is hinged with a door plate 23 through a hinge, the outer wall of one end of the door plate 23 is connected with a handle through a screw, the inner wall of the bottom of the rectangular groove 3 is connected with a storage battery 4 through a screw, the inner wall of the top of the rectangular groove 3 is connected with a processor 2 through a screw, the model of the processor 2 is ARM9TDMI, the outer walls of the tops of the first support column 6 and a second support column 10 are both connected with an illuminating lamp 1 through bolts, the outer walls of the tops of the first support column 6 and the second support column 10 are both connected with a transparent protective cover 20 through bolts, the transparent protective cover 20 is positioned outside the illuminating lamp 1, the outer walls of the bottoms of the first support column 6 and the second support column 10 are both connected with a mounting seat 7 through bolts, the outer wall of one, the circular recess that the equidistance distributes is seted up to the top outer wall of first connecting column 11, and circular recess internal diameter matches with 13 circumference outer walls of montant, and dustproof rubber sleeve 22 has all been pasted to first support column 6 and 10 one side outer wall tops of second support column and bottom, and dustproof rubber sleeve 22 opposite side outer wall pastes mutually with the circumference outer wall of being connected 12 one sides of ring, and light 1 is connected with the switch through the wire, and the switch passes through wire and 2 electric connection of treater.
The working principle is as follows: in the spare part of the device, all driving parts, which refer to power elements, electric devices and adaptive power supplies, are connected through leads, a specific connecting means refers to the following working principle that the electric devices are electrically connected in sequence, the detailed connecting means is a known technology in the field, the following main introduces the working principle and process without describing the electric control, before the work, a first supporting column 6 and a second supporting column 10 are fixed on a working place through an installation seat 7, then a second connecting column 24 and a first connecting column 11 are inserted on a limiting column 14, then the other end is rotated into a thread groove 5 on one side of the second supporting column 10 through threads, when the locking is carried out, an inserting hole on the second connecting column 24 and a circular groove on the first connecting column 11 are required to be kept in a vertical state, then a vertical rod 13 is inserted in an inserting hole in the second connecting column 24, fix in screwing the circular recess on first connecting post 11 through montant 13 bottom screw thread, fix fixed plate 18 on installation piece 16 after the locking, make solar cell panel 19 can work, photosensitive sensor 15 detects external illumination intensity during the use, and when external illumination intensity was low, photosensitive sensor 15 transmitted the signal for treater 2, and treater 2 control light 1 is opened, throws light on for near.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A power grid isolation device comprises a first support column (6) and a second support column (10), and is characterized in that the top and the bottom of the outer wall of one side of the first support column (6) and the second support column (10) are respectively connected with a limiting column (14) through bolts, the outer wall of the other side of the limiting column (14) is connected with a limiting round block (9) through bolts, the top and the bottom of the outer wall of one side of the first support column (6) and the second support column (10) are respectively connected with a telescopic spring (21) through bolts, the outer wall of the other side of the telescopic spring (21) is connected with a connecting ring (12) through bolts, the telescopic spring (21) is positioned on the outer wall of the circumference of the limiting column (14), thread grooves (5) are respectively formed in the top and the bottom of the outer wall of the other side of the first support column (6) and the second support column (10), and the inner wall of each thread groove (5) is respectively connected with a first connecting column, circular port (8) have all been seted up to first spliced pole (11) and second spliced pole (24) one side outer wall, and the internal diameter of circular port (8) and the external diameter phase-match of spacing boss (9), the spliced eye that the equidistance distributes is seted up to the top outer wall of second spliced pole (24), and the inner wall of spliced eye pegs graft and have montant (13), and the top outer wall of montant (13) has rotation boss (17) through bolted connection, one side outer wall that first support column (6) and second support column (10) are close to each other all has installation piece (16) through bolted connection, and the top outer wall of two installation pieces (16) has fixed plate (18) that same level was placed through bolted connection, and the top outer wall of fixed plate (18) has solar cell panel (19) through bolted connection.
2. The power grid isolation device according to claim 1, wherein a rectangular groove (3) is formed in the outer wall of one end of the first support column (6), and a door plate (23) is hinged to the inner wall of one side of the rectangular groove (3) through a hinge.
3. A grid isolation device according to claim 2, wherein the bottom inner wall of the rectangular groove (3) is connected with the accumulator (4) by screws, and the top inner wall of the rectangular groove (3) is connected with the processor (2) by screws.
4. A power grid isolation device according to claim 3, wherein the top outer walls of the first support column (6) and the second support column (10) are both connected with the lighting lamp (1) through bolts, and the top outer walls of the first support column (6) and the second support column (10) are both connected with the transparent protective cover (20) through bolts.
5. A grid isolation device according to claim 4, wherein the outer walls of the bottoms of the first support column (6) and the second support column (10) are each bolted with a mounting base (7).
6. A power grid isolation device according to claim 5, wherein the outer wall of one end of the first support column (6) is connected with a photosensitive sensor (15) through a screw, and the photosensitive sensor (15) is electrically connected with the signal input end of the processor (2) through a signal line.
7. A power grid isolation device according to claim 6, wherein the top outer wall of the first connecting post (11) is provided with circular grooves distributed at equal intervals, and the inner diameter of the circular grooves is matched with the circumferential outer wall of the vertical post (13).
8. The power grid isolation device according to claim 6, wherein the dustproof rubber sleeves (22) are adhered to the top and the bottom of the outer walls of one side of the first support column (6) and the second support column (10), and the outer wall of the other side of each dustproof rubber sleeve (22) is adhered to the outer wall of the circumference of one side of the connecting ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266086.8A CN111276874A (en) | 2020-04-07 | 2020-04-07 | Power grid isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010266086.8A CN111276874A (en) | 2020-04-07 | 2020-04-07 | Power grid isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111276874A true CN111276874A (en) | 2020-06-12 |
Family
ID=71004092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010266086.8A Pending CN111276874A (en) | 2020-04-07 | 2020-04-07 | Power grid isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111276874A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877860A (en) * | 2020-08-17 | 2020-11-03 | 淳安县九景新型建材厂 | Spacing adjustable imitative wooden railing |
-
2020
- 2020-04-07 CN CN202010266086.8A patent/CN111276874A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877860A (en) * | 2020-08-17 | 2020-11-03 | 淳安县九景新型建材厂 | Spacing adjustable imitative wooden railing |
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