CN111042582A - Equipment material isolation protection device for field maintenance of power grid - Google Patents
Equipment material isolation protection device for field maintenance of power grid Download PDFInfo
- Publication number
- CN111042582A CN111042582A CN201911138711.4A CN201911138711A CN111042582A CN 111042582 A CN111042582 A CN 111042582A CN 201911138711 A CN201911138711 A CN 201911138711A CN 111042582 A CN111042582 A CN 111042582A
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- China
- Prior art keywords
- protection
- power grid
- top plate
- groove
- support frame
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- 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.)
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Classifications
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- 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
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
- E04H1/1238—Shelters for engines, e.g. electrical meter housings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34321—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by panels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3442—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts folding out from a core cell
- E04B1/3444—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts folding out from a core cell with only lateral unfolding
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses an equipment material isolation protection device for field maintenance of a power grid, which comprises an isolation protection device main body, a protection top plate, a lightning rod, a rotating shaft, fixing bolts, a solar panel and signal lamps, wherein the protection top plate is arranged at the top of the isolation protection device main body, the lightning rod is arranged in the middle of the upper end of the protection top plate, the solar panels are arranged on the protection top plates on the two sides of the lightning rod, the lower ends of the four corners of the protection top plate are connected with the top end of a support frame through the rotating shaft, 2 tightening bolts are arranged in the middle of the protection top plate, a containing groove is arranged on the lower end face of the protection top plate, a fixing port is arranged at the outer end of the support frame, and the support frame. The equipment material isolation protection device for the field maintenance of the power grid can protect the power grid material, avoid the damage of rainwater or field creatures and is beneficial to the protection of the power grid material.
Description
Technical Field
The invention relates to the technical field of power grid material isolation protection devices, in particular to an equipment material isolation protection device for field power grid maintenance.
Background
When the power grid is maintained in the field, equipment elements of the power grid, cables or other materials are frequently replaced, but sometimes the maintenance time is long, the power grid materials need to be stacked in the field for a period of time, and the power grid materials need to be protected in the period of time so as to prevent the placed power grid materials from being damaged by rain and snow weather or field creatures.
However, in the use process of the existing device for isolating and protecting the equipment materials for the field maintenance of the power grid, a single fence is generally adopted to protect the power grid materials, the structure has poor protection effect, the damage of rainwater to the power grid materials is easily caused, and meanwhile, the damage of field creatures is easily caused, so that the device materials for the field maintenance of the power grid are not favorably protected.
Disclosure of Invention
The invention aims to provide an equipment material isolation and protection device for field power grid maintenance, which aims to solve the problems that the existing equipment material isolation and protection device for field power grid maintenance in the prior market proposed by the background art generally adopts a single fence to protect the power grid material in the using process, and the structure has poor protection effect, is easy to cause damage of rainwater to the power grid material, is easy to cause damage of field creatures, and is not beneficial to protecting the equipment material for field power grid maintenance.
In order to achieve the purpose, the invention provides the following technical scheme: an equipment material isolation protection device for field maintenance of a power grid comprises an isolation protection device main body, a protection top plate, a lightning rod, a rotating shaft, a fixing bolt, a solar panel and a signal lamp, wherein the top of the isolation protection device main body is provided with the protection top plate, the middle part of the upper end of the protection top plate is provided with the lightning rod, the protection top plates on two sides of the lightning rod are respectively provided with the solar panel, the four corners of the upper end of the protection top plate are respectively provided with the signal lamp, the lower ends of the four corners of the protection top plate are respectively connected with the top end of a support frame through the rotating shaft, the inner sides of the protection top plate and the support frame are respectively welded with an installation block, the outer sides of the installation blocks are connected with a protection side plate through the fixing bolt, the lower end of the support frame is welded with a fixing, the utility model discloses a safety protection device for roof, including protection roof, spacing screw, mounting groove, and the medial surface of mounting groove is provided with the insulation board to the mounting groove goes out to be provided with the protection network, the middle part of protection roof is provided with 2 and tightens up the bolt, and the lower terminal surface of protection roof is provided with accomodates the groove, the outer end of support frame is provided with fixed mouthful, and the support frame is connected through the bolt that tightens up on fixed mouthful and the protection roof.
Preferably, the mounting structure of the support frame is a rotating structure, the support frame uses the rotating shaft as a rotating center, the length of the support frame is less than 1/2 of the length of the protective top plate, and the width of the support frame is less than the depth of the accommodating groove.
Preferably, the protection side plate is of a detachable structure, and the protection side plate is vertically installed.
Preferably, the protection network is of a power grid structure, and the protection network is electrically connected with the lithium battery at the lower part of the solar panel.
Preferably, the accommodating grooves are located on the front side and the rear side of the protective top plate and are arranged horizontally.
Preferably, the depth of the limiting opening is greater than that of the guide groove, the limiting opening and the limiting screw are correspondingly arranged, and the diameter of the limiting screw is smaller than the inner diameter of the limiting opening.
Preferably, be integrated into one piece structure between stopper and the stop screw, and the external diameter of stopper is greater than stop screw's external diameter to the external diameter of stopper is less than the internal diameter of spacing groove, and stop screw is sliding construction simultaneously.
Preferably, the shape structure of the guide groove is an arc-shaped structure, the arc center of the guide groove is upward, and the width of the guide groove is larger than the diameter of the limit screw.
Preferably, the groove depth of the mounting groove is greater than the thickness of the protective net, and the groove depth of the mounting groove is less than the thickness of the protective side plate.
Compared with the prior art, the invention has the beneficial effects that: the equipment material isolation protection device for the field maintenance of the power grid can protect the power grid material, avoid the damage of rainwater or field creatures and be beneficial to the protection of the power grid material;
1. the supporting frame is arranged below the protective top plate, the upper part of the supporting frame is provided with the limiting groove and the guide groove, the supporting frame is in matched connection with the limiting screw, the supporting frame can be limited after being unfolded, the supporting frame can stably support the protective top plate, and the middle parts of the front side and the rear side of the protective top plate are provided with the tightening bolts, so that the supporting frame can be fixed after being stored, and the supporting frame can be folded and stored;
2. all be provided with the installation piece in the inboard of protection roof and support frame, play and carry out spacing fixed effect to the protection curb plate, play the effect to the installation of protection curb plate, and the outside of protection curb plate is provided with the protection network, can protect open-air biology, avoids open-air biology to the damage of isolation protection device main part, and then realizes placing the electric wire netting material.
Drawings
FIG. 1 is a schematic view of an isolation protection device main body of an isolation protection device for an equipment material for field power grid maintenance according to the present invention;
FIG. 2 is a schematic top view of the main body of the isolation protection device of the device material isolation protection device for field power grid maintenance according to the present invention;
FIG. 3 is a schematic side view of the main body of the isolation protection device of the equipment material isolation protection device for field power grid maintenance according to the present invention;
FIG. 4 is a schematic structural diagram of a support frame of the device material isolation protection device for field power grid maintenance according to the present invention in an unfolded state;
FIG. 5 is a schematic structural diagram of a support frame storage state of the device for isolating and protecting the material of the power grid for field maintenance according to the present invention;
FIG. 6 is a schematic cross-sectional view of a support frame and a stop screw of the device material isolation protection device for field power grid maintenance according to the present invention;
FIG. 7 is a schematic structural view of a limiting opening and a guide groove of the device material isolation protection device for field power grid maintenance according to the present invention;
fig. 8 is a schematic sectional view of a protective side plate of the device material isolation protection device for field power grid maintenance according to the present invention.
In the figure: 1. an isolation protection device body; 2. a protective roof; 3. a lightning rod; 4. a rotating shaft; 5. a support frame; 6. a protective side plate; 7. fixing the bolt; 8. a protective net; 9. tightening the bolts; 10. a limit screw; 11. a fixed block; 12. a solar panel; 13. a signal lamp; 14. mounting blocks; 15. a receiving groove; 16. a limiting port; 17. a limiting block; 18. a spring; 19. a limiting groove; 20. a guide groove; 21. mounting grooves; 22. an insulating plate; 23. and (4) fixing the port.
Detailed Description
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 invention.
Referring to fig. 1-8, the present invention provides a technical solution: an equipment material isolation protection device for field maintenance of a power grid comprises an isolation protection device main body 1, a protection top plate 2, a lightning rod 3, a rotating shaft 4, a support frame 5, a protection side plate 6, a fixing bolt 7, a protection net 8, a tightening bolt 9, a limiting screw 10, a fixing block 11, a solar panel 12, a signal lamp 13, an installation block 14, an accommodation groove 15, a limiting port 16, a limiting block 17, a spring 18, a limiting groove 19, a guide groove 20, an installation groove 21, an insulation plate 22 and a fixing port 23, wherein the top of the isolation protection device main body 1 is provided with the protection top plate 2, the middle part of the upper end of the protection top plate 2 is provided with the lightning rod 3, the protection top plates 2 on two sides of the lightning rod 3 are respectively provided with the solar panel 12, four corners of the upper end of the protection top plate 2 are respectively provided with the signal lamp 13, and the inner sides of the protection top plate 2 and the support frame 5 are welded with mounting blocks 14, and the outer sides of the mounting blocks 14 are connected with the protection side plates 6 through fixing bolts 7, and the lower end of the support frame 5 is welded with a fixing block 11, the top of the support frame 5 is provided with a guide groove 20, and the middle part of the guide groove 20 is provided with a limit opening 16, and the limit groove 19 is connected with the inner end of a limit screw 10, the limit screw 10 is provided with a limit block 17, and the limit block 17 is positioned in the limit groove 19 inside the protection top plate 2, and a spring 18 is arranged between the limit block 17 and the limit groove 19, the outer side of the protection side plate 6 is provided with a mounting groove 21, and the inner side of the mounting groove 21 is provided with an insulating plate 22, and the mounting groove 21 is provided with a protection net 8, the middle part of the protection top plate 2 is provided with, and the support frame 5 is connected with the tightening bolt 9 on the protective top plate 2 through the fixing port 23.
The mounting structure of support frame 5 is revolution mechanic, and support frame 5 uses pivot 4 as rotation center to the length of support frame 5 is less than 1/2 of protection roof 2 length, and the width of support frame 5 is less than the groove depth of accomodating groove 15 simultaneously, sets up like this and plays the effect that expandes and fold to support frame 5, is favorable to the support to protection roof 2, and can realize accomodating of support frame 5 and place.
The protection side plate 6 is of a detachable structure, the protection side plate 6 is vertically installed, the protection effect on the side face of the isolation protection device main body 1 can be achieved through the protection side plate, and isolation of power grid materials is facilitated.
The protection network 8 is the electric wire netting structure, and the lithium cell electric connection of protection network 8 and the solar panel 12 lower part sets up like this and can avoid open-air biology to the damage of protection curb plate 6, and then realizes the protection to the electric wire netting material.
The storage grooves 15 are located on the front side and the rear side of the protective top plate 2, the storage grooves 15 are horizontally arranged, the storage effect on the support frame 5 is achieved through the storage grooves, and the isolation protection device body 1 can be folded and stored.
The degree of depth of spacing mouth 16 is greater than the degree of depth of guide way 20, and spacing mouth 16 corresponds the setting with stop screw 10 to stop screw 10's diameter is less than spacing mouthful 16 internal diameter, sets up like this and can realize stop screw 10 and spacing mouthful 16 be connected, can realize spacing to support frame 5, and then realizes support frame 5 to the stable support of protection roof 2.
Be integrated into one piece structure between stopper 17 and the stop screw 10, and the external diameter of stopper 17 is greater than stop screw 10's external diameter to the external diameter of stopper 17 is less than the internal diameter of spacing groove 19, and stop screw 10 is sliding structure simultaneously, sets up like this and can realize that spring 18 promotes stop screw 10 to spacing mouthful 16 one side through stopper 17, is favorable to stop screw 10 inner to entering into in the spacing mouthful 16.
The shape structure of guide way 20 is circular-arc structure, and the arc center of guide way 20 is upwards to guide way 20 groove width is greater than the diameter of stop screw 10, sets up like this and plays the effect that makes stop screw 10 at the inside gliding of guide way 20, is favorable to the spacing rotation of support frame 5.
The groove depth of mounting groove 21 is greater than the thickness of protection network 8, and the groove depth of mounting groove 21 is less than the thickness of defeated protection curb plate 6, sets up like this and plays the effect of installing protection network 8, is favorable to the fixed of protection network 8.
The working principle is as follows: when the device material isolation protection device for power grid field maintenance is used, as shown in fig. 5, when the isolation protection device main body 1 needs to be used, firstly, 4 tightening bolts 9 at the middle parts of the front side and the rear side of the protection top plate 2 are unscrewed, after the 4 tightening bolts 9 are separated from a fixing port 23 at the lower end of the support frame 5, the 4 support frames 5 are opened through the rotating shaft 4, in the process of rotating the support frames 5, as shown in fig. 6-7, the inner ends of the limiting screws 10 move in the guide grooves 20 at the upper parts of the support frames 5, when the support frames 5 rotate to be in a 90-degree state with the protection top plate 2 through the rotating shaft 4, the limiting blocks 17 move in the limiting grooves 19 under the thrust action of the springs 18, so that the limiting blocks 17 push the limiting screws 10 to one side of the support frames 5, and further enable the limiting screws 10 to enter the limiting ports 16, at, after the 4 support frames 5 are completely unfolded, i.e. in the state shown in fig. 4, the fixing block 11 at the lower end of the support frame 5 is fixed on the ground through the fixing cone, at this time, as shown in fig. 1 and 3, the openings on the protective side plates 6 are aligned with the openings on the protective top plate 2 and the mounting block 14 on the inner side of the support frame 5, fixing the protective side plate 6 by using a fixing bolt 7, connecting the battery at the solar panel 12 on the top of the protective top plate 2 with the protective net 8 after the protective side plate 6 is installed, when the material in the isolation protection device main body 1 is placed or taken out, the corresponding 1 protection side plate 6 can be opened, the material in the isolation protection device main body 1 can be taken out, as shown in fig. 1-2, the lightning rod 3 can protect the main isolation device 1 from lightning, and the signal lamp 13 can facilitate the workers to find the main isolation device 1 at night.
It should be understood that the terms "central," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, that the present invention is used in the context of a particular application or system, that the particular components and features are commercially available, that the components and features are typically connected by bolts, rivets, welds, etc., that the components and features are typically used in the art, the conventional model, together with the circuit connections, are conventional in the art and will not be described in detail here.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an open-air equipment material isolation protection device that uses of electric wire netting, includes isolation protection device main part (1), protection roof (2), lightning rod (3), pivot (4), fixing bolt (7), solar panel (12) and signal lamp (13), its characterized in that: the top of the isolation protection device main body (1) is provided with a protection top plate (2), the middle part of the upper end of the protection top plate (2) is provided with a lightning rod (3), the protection top plates (2) on the two sides of the lightning rod (3) are respectively provided with a solar panel (12), the four corners of the upper end of the protection top plate (2) are respectively provided with a signal lamp (13), the lower ends of the four corners of the protection top plate (2) are respectively connected with the top end of a support frame (5) through a rotating shaft (4), the inner sides of the protection top plate (2) and the support frame (5) are respectively welded with an installation block (14), the outer side of the installation block (14) is connected with a protection side plate (6) through a fixing bolt (7), the lower end of the support frame (5) is welded with a fixing block (11), the top of the support frame (5) is provided with a, and the limit groove (19) is connected with the inner end of the limit screw (10), a limit block (17) is arranged on the limit screw (10), and the limiting block (17) is positioned in a limiting groove (19) inside the protective top plate (2), and a spring (18) is arranged between the limiting block (17) and the limiting groove (19), an installation groove (21) is arranged on the outer side of the protection side plate (6), an insulation plate (22) is arranged on the inner side surface of the installation groove (21), a protective net (8) is arranged in the mounting groove (21), 2 tightening bolts (9) are arranged in the middle of the protective top plate (2), and the lower end surface of the protective top plate (2) is provided with a containing groove (15), the outer end of the supporting frame (5) is provided with a fixing port (23), and the support frame (5) is connected with a tightening bolt (9) on the protective top plate (2) through a fixing port (23).
2. The device for isolating and protecting equipment materials for field maintenance of the power grid as claimed in claim 1, wherein: the mounting structure of support frame (5) is revolution mechanic, and support frame (5) use pivot (4) as rotation center to the length of support frame (5) is less than 1/2 of protection roof (2) length, and the width of support frame (5) is less than the groove depth of accomodating groove (15) simultaneously.
3. The device for isolating and protecting equipment materials for field maintenance of the power grid as claimed in claim 1, wherein: the protection side plate (6) is of a detachable structure, and the protection side plate (6) is vertically installed.
4. The device for isolating and protecting equipment materials for field maintenance of the power grid as claimed in claim 1, wherein: the protection network (8) is of a power grid structure, and the protection network (8) is electrically connected with the lithium battery at the lower part of the solar panel (12).
5. The device for isolating and protecting equipment materials for field maintenance of the power grid as claimed in claim 1, wherein: the accommodating grooves (15) are located on the front side and the rear side of the protective top plate (2), and the accommodating grooves (15) are horizontally arranged.
6. The device for isolating and protecting equipment materials for field maintenance of the power grid as claimed in claim 1, wherein: the depth of the limiting opening (16) is greater than that of the guide groove (20), the limiting opening (16) and the limiting screw (10) are arranged correspondingly, and the diameter of the limiting screw (10) is smaller than the inner diameter of the limiting opening (16).
7. The device for isolating and protecting equipment materials for field maintenance of the power grid as claimed in claim 1, wherein: the limiting block (17) and the limiting screw (10) are of an integrally formed structure, the outer diameter of the limiting block (17) is larger than that of the limiting screw (10), the outer diameter of the limiting block (17) is smaller than the inner diameter of the limiting groove (19), and meanwhile the limiting screw (10) is of a sliding structure.
8. The device for isolating and protecting equipment materials for field maintenance of the power grid as claimed in claim 1, wherein: the shape structure of the guide groove (20) is an arc-shaped structure, the arc center of the guide groove (20) faces upwards, and the groove width of the guide groove (20) is larger than the diameter of the limiting screw (10).
9. The device for isolating and protecting equipment materials for field maintenance of the power grid as claimed in claim 1, wherein: the depth of the mounting groove (21) is larger than the thickness of the protective net (8), and the depth of the mounting groove (21) is smaller than the thickness of the protective conveying side plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138711.4A CN111042582A (en) | 2019-11-20 | 2019-11-20 | Equipment material isolation protection device for field maintenance of power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138711.4A CN111042582A (en) | 2019-11-20 | 2019-11-20 | Equipment material isolation protection device for field maintenance of power grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111042582A true CN111042582A (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911138711.4A Pending CN111042582A (en) | 2019-11-20 | 2019-11-20 | Equipment material isolation protection device for field maintenance of power grid |
Country Status (1)
| Country | Link |
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| CN (1) | CN111042582A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683377A (en) * | 2020-12-15 | 2021-04-20 | 陈红牛 | Automatic isolation electronic scale of anti-virus |
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| US5960592A (en) * | 1998-05-11 | 1999-10-05 | Lucent Technologies Inc. | Protective enclosure for outdoor equipment |
| EP2503078A1 (en) * | 2011-03-23 | 2012-09-26 | Smitt Technology S.r.l. | Shelter structure, in particular for electrical equipment |
| CN107965170A (en) * | 2018-01-24 | 2018-04-27 | 北京城建五建设集团有限公司 | Distribution box protection canopy with assembling type base |
| CN108952229A (en) * | 2018-08-31 | 2018-12-07 | 林健夫 | A kind of rain and snow distribution box protection canopy of high-building construction |
| CN208441251U (en) * | 2018-06-22 | 2019-01-29 | 捷瑞特（天津）新型建材科技有限公司 | A kind of movable dwellings using steel construction herringbone beam |
| CN209195088U (en) * | 2018-12-12 | 2019-08-02 | 中建二局第二建筑工程有限公司 | A kind of electronic box protection canopy |
| DE202019103897U1 (en) * | 2019-07-15 | 2019-08-06 | Jelenia Plast Sp. Z.O.O. | Storage box made of plastic |
| CN209384712U (en) * | 2018-12-26 | 2019-09-13 | 上海长凯岩土工程有限公司 | A kind of association type shield |
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2019
- 2019-11-20 CN CN201911138711.4A patent/CN111042582A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5960592A (en) * | 1998-05-11 | 1999-10-05 | Lucent Technologies Inc. | Protective enclosure for outdoor equipment |
| EP2503078A1 (en) * | 2011-03-23 | 2012-09-26 | Smitt Technology S.r.l. | Shelter structure, in particular for electrical equipment |
| CN107965170A (en) * | 2018-01-24 | 2018-04-27 | 北京城建五建设集团有限公司 | Distribution box protection canopy with assembling type base |
| CN208441251U (en) * | 2018-06-22 | 2019-01-29 | 捷瑞特（天津）新型建材科技有限公司 | A kind of movable dwellings using steel construction herringbone beam |
| CN108952229A (en) * | 2018-08-31 | 2018-12-07 | 林健夫 | A kind of rain and snow distribution box protection canopy of high-building construction |
| CN209195088U (en) * | 2018-12-12 | 2019-08-02 | 中建二局第二建筑工程有限公司 | A kind of electronic box protection canopy |
| CN209384712U (en) * | 2018-12-26 | 2019-09-13 | 上海长凯岩土工程有限公司 | A kind of association type shield |
| DE202019103897U1 (en) * | 2019-07-15 | 2019-08-06 | Jelenia Plast Sp. Z.O.O. | Storage box made of plastic |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683377A (en) * | 2020-12-15 | 2021-04-20 | 陈红牛 | Automatic isolation electronic scale of anti-virus |
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Application publication date: 20200421 |
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| RJ01 | Rejection of invention patent application after publication |