CN107275815B - Ground-inserted ground concealed-installation grounding terminal box and installation method thereof - Google Patents
Ground-inserted ground concealed-installation grounding terminal box and installation method thereof Download PDFInfo
- Publication number
- CN107275815B CN107275815B CN201710564478.0A CN201710564478A CN107275815B CN 107275815 B CN107275815 B CN 107275815B CN 201710564478 A CN201710564478 A CN 201710564478A CN 107275815 B CN107275815 B CN 107275815B
- Authority
- CN
- China
- Prior art keywords
- insulating plate
- panel
- grounding terminal
- ground
- shell
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2483—Terminal blocks specially adapted for ground connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- 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)
- Manufacturing & Machinery (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Distribution Board (AREA)
Abstract
The invention discloses a ground-inserted ground concealed-installation grounding terminal box and an installation method thereof, wherein the terminal box comprises a shell, a grounding terminal assembly and a cover plate; the grounding terminal assembly comprises a bracket, a panel, an insulating plate and a grounding terminal, wherein the panel is arranged above the bracket, the insulating plate is fixed on the bottom surface of the bracket, the grounding terminal penetrates through and is fixed on the insulating plate, the grounding terminal is inserted into the shell, the lower edge of the panel is connected with the upper edge of the shell, an opening is formed in the middle of the panel, and the cover plate is movably connected at the opening; the terminal box mounting method comprises the following steps: the method comprises the steps of embedding a shell, connecting an insulating plate with a grounding terminal, connecting the insulating plate with a bracket, connecting the bracket with a panel, connecting an embedded grounding wire, connecting a grounding terminal assembly with the shell, covering a cover plate and the like. The invention provides a ground concealed-installation grounding terminal box which is convenient for wiring and dismounting and has good protection performance and an installation method thereof.
Description
Technical Field
The invention belongs to the technical field of electrical engineering construction, and particularly relates to a ground-inserted type ground-mounted terminal box and an installation method thereof, which are suitable for places with strict requirements on grounding resistance, such as a factory building, an operation room, a laboratory and the like.
Background
The existing precision equipment has very high requirements on grounding systems, certain factory buildings have wide space, the equipment is far away from the wall surface in the factory buildings, a ground grounding terminal box is required to be arranged, the precision equipment is required to bear certain pressure and is firm and durable, and meanwhile, the equipment and the grounding points are convenient to wire and dismantle. The grounding terminal box in the market is either closed, so that the wiring and the dismantling are inconvenient; or the structure is too simple, the metal part lacks protection, the grounding accuracy is affected, and the grounding terminal box which is suitable for the requirement does not exist.
Disclosure of Invention
In order to solve the defects, the technical problem to be solved by the invention is to provide a ground concealed grounding terminal box which is convenient for wiring and disconnecting and has good protection performance and an installation method thereof.
The ground-inserted ground concealed-installation grounding terminal box comprises a cylindrical shell, a grounding terminal assembly arranged above the shell, and a cover plate arranged above the grounding terminal assembly; the grounding terminal assembly comprises a support, a panel, an insulating plate and a grounding terminal, wherein the panel is arranged above the support, the insulating plate is fixed on the upper surface of the bottom surface of the support, the grounding terminal penetrates through and is fixed on the insulating plate, the grounding terminal is inserted into the shell, the lower edge of the panel is connected with the upper edge of the shell, an opening is formed in the middle of the panel, and the cover plate is movably connected to the opening in the middle of the panel.
Further, the grounding terminal penetrates through the insulating plate, gaskets and a fixing nut are respectively arranged at the upper end and the lower end of the insulating plate, and the grounding terminal is fixed on the insulating plate by tightening the fixing nut; the upper part of the grounding terminal is provided with a butterfly nut, and the butterfly nut is positioned above the fixed nut at the upper end of the insulating plate; the lower part of the grounding terminal is provided with a movable nut, and the movable nut is positioned below the fixed nut at the lower end of the insulating plate.
Further, a connecting chain is arranged between the butterfly nut and the insulating plate; and a connecting chain is arranged between the cover plate and the bracket.
Furthermore, cross-shaped reinforcing ribs are arranged on the inner side of the cover plate.
Further, the shell comprises a side plate and a bottom plate, the upper part of the shell is opened, and a hole for a cable to enter is formed in the bottom plate of the shell.
Further, holes are formed in the periphery of the insulating plate, reserved holes corresponding to the holes are formed in the bottom surface of the support, and the insulating plate and the support are fixedly connected through screws penetrating through the holes and the reserved holes.
Further, the support is provided with upward supporting legs connected with the bottom surface, the panel is provided with downward supporting legs, the supporting legs of the support and the supporting legs of the panel are provided with corresponding threaded holes, and the support and the panel are fixedly connected through bolts penetrating the threaded holes.
Further, two opening holes are formed in the cover plate, the grounding terminal is further provided with a cover plate opening tool, and the cover plate opening tool is provided with an insertion end matched with the two opening holes; the cover plate is rotated by inserting the opening hole through the insertion end.
The installation method of the ground-inserted ground concealed-installation grounding terminal box comprises a cylindrical shell, a grounding terminal assembly arranged above the shell, and a cover plate arranged above the grounding terminal assembly; the grounding terminal assembly comprises a bracket, a panel, an insulating plate and a grounding terminal, wherein the panel is arranged above the bracket, the insulating plate is fixed on the upper surface of the bottom surface of the bracket, the grounding terminal penetrates through and is fixed on the insulating plate, the grounding terminal is inserted into the shell, the lower edge of the panel is connected with the upper edge of the shell, an opening is formed in the middle of the panel, and the cover plate is movably connected to the opening in the middle of the panel; the method comprises the following steps of:
1) Embedding a shell: the shell is pre-buried when the ground concrete is constructed, and the upper edge of the shell is lower than the ground;
2) Connection of insulating plate and ground terminal: the wiring terminal penetrates through the insulating plate, and is fixed on the insulating plate by a gasket and a fixing nut respectively at the upper and lower parts, and a butterfly nut is additionally screwed above the fixing nut at the upper end of the insulating plate; a movable nut is additionally screwed below the fixed nut at the lower end of the insulating plate;
3) The connection of the insulating plate and the bracket: the periphery of the insulating plate is provided with holes, the sizes and the positions of the holes are consistent with those of the reserved holes on the bottom surface of the support, and the insulating plate is fixedly connected with the support through screws penetrating through the holes and the reserved holes;
4) Connection of the bracket and the panel: fixedly connecting the bracket with the insulating plate with the panel through bolts;
5) And (3) connection of the embedded grounding wire: winding the pre-buried grounding wire at a position between a movable nut at the lower part of the grounding terminal and a fixed nut at the lower end of the insulating plate, tightening the movable nut, and fixedly connecting the pre-buried grounding wire;
6) Connection of ground terminal assembly to housing: placing the grounding terminal assembly connected with the bracket, the panel, the insulating plate and the grounding terminal into the shell, so that the panel falls on the edge of the shell, and the upper surface of the panel is level with the ground;
7) And (5) covering the cover plate.
Furthermore, the grounding wire is made into the fork joint, the cover plate is opened when the grounding wire is used, the fork joint is connected between the butterfly nut and the fixed nut at the upper end of the insulating plate, and the butterfly nut is screwed down, so that the grounding wire can be used as a grounding point.
The invention has the beneficial effects that:
1) The invention provides a ground concealed grounding terminal box which is convenient for wiring and disconnecting and has good protection performance and an installation method thereof;
2) The ground concealed grounding terminal box is provided with a simple cover plate opening device, when the ground concealed grounding terminal box is used, the cover plate is opened, so that wiring can be carried out on the wiring terminal, and the operation is simple;
3) The terminal box cover plate can bear the rolling of the loader, and basically meets the heavy load ground bearing requirement of the factory building; especially, through detection, under the condition that the grounding bus is perfect, the grounding resistance can generally reach below 0.4 ohm, and the lowest can reach below 0.1 ohm, so that the test requirement is met.
The invention will now be described in detail with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view showing an exploded structure of a ground-insert type ground-mounted terminal box according to the present invention;
FIG. 2 is a side view of the closure of FIG. 1 after closing the lid;
FIG. 3 is a schematic diagram showing a structure of an insulating board and an insulating terminal after being combined;
FIG. 4 is a top view of the housing;
fig. 5 is a top view of the bracket.
Reference numerals: 1. a housing; 2. a bracket; 3. an insulating plate; 4. a panel; 5. a cover plate; 6. an opening device; 7. a ground terminal; 8. a butterfly nut; 9. a fixing nut at the upper end of the insulating plate; 10. a fixing nut at the lower end of the insulating plate; 11. a movable nut.
Detailed Description
Example 1
As shown in fig. 1 to 5, a ground-inserted ground-concealed-installation ground terminal box includes a cylindrical housing 1, a ground terminal assembly disposed above the housing 1, and a cover plate 5 above the ground terminal assembly; the grounding terminal assembly comprises a support 2, a panel 4, an insulating plate 3 and a grounding terminal 7, wherein the panel 4 is arranged above the support 2, the insulating plate 3 is fixed on the upper surface of the bottom surface of the support 2, the grounding terminal 7 penetrates through and is fixed on the insulating plate 3, the grounding terminal 7 is inserted into the shell 1, the lower edge of the panel 4 is connected with the upper edge of the shell 1, an opening is formed in the middle of the panel 4, and the cover plate 5 is movably connected to the opening in the middle of the panel 4.
The grounding terminal 7 passes through the insulating plate 3, gaskets and a fixing nut are respectively arranged at the upper end and the lower end of the insulating plate 3, and the grounding terminal 7 is fixed on the insulating plate 3 by screwing the fixing nut; the upper part of the grounding terminal 7 is provided with a butterfly nut 8, and the butterfly nut 8 is positioned above a fixed nut 9 at the upper end of the insulating plate; the lower part of the grounding terminal is provided with a movable nut 11, and the movable nut 11 is positioned below a fixed nut 10 at the lower end of the insulating plate.
A connecting chain is arranged between the butterfly nut 8 and the insulating plate 3; a connecting chain is arranged between the cover plate 5 and the bracket 2.
The inner side of the cover plate 5 is provided with cross-shaped reinforcing ribs.
The shell 1 comprises a side plate and a bottom plate, the upper part of the shell is opened, and a hole for a cable to enter is formed in the bottom plate of the shell.
Holes are formed in the periphery of the insulating plate 3, reserved holes corresponding to the holes are formed in the bottom face of the support 2, and the insulating plate and the support are fixedly connected through screws penetrating through the holes and the reserved holes.
The support 2 has upward legs connected with the bottom surface, the panel 4 has downward legs, the legs of the support and the legs of the panel are provided with corresponding threaded holes, and the support and the panel are fixedly connected through bolts penetrating the threaded holes.
The cover plate 5 is provided with two opening holes, the grounding terminal is further provided with a cover plate opening tool 6, and the cover plate opening tool 6 is provided with an insertion end matched with the two opening holes; the cover plate 5 is rotated by inserting the opening hole through the insertion end.
In this embodiment:
the whole grounding terminal box is cylindrical and comprises a shell 1, a support 2, a panel 4, an insulating plate 3, a cover plate 5, a wiring terminal 7, a butterfly nut 8, an opening device 6, a fixing nut and the like, wherein the support, the panel and the cover plate are made of 304 stainless steel, the wiring terminal and the butterfly nut are made of brass, the thickness of the insulating plate is 2-5 mm, and the fixing screw of the insulating plate is an inner hexagon screw made of M4 stainless steel. A connecting chain is arranged between the cover plate and the bracket; a connecting chain is arranged between the butterfly nut and the insulating plate.
The shell 1 can be pre-buried in place during ground construction, 304 stainless steel can be adopted to produce with other parts simultaneously, a DN125 galvanized steel pipe can be used to intercept 150mm welding steel plates to seal the bottom edge, and then a strip-shaped hole with the diameter of 30mm and 60mm is formed in the bottom edge, so that the cable is convenient to be led in.
The manufacturing of the bracket 2, the panel 4 and the cover plate 5 requires the manufacture of moulds respectively, casting and molding, and polishing, drilling and polishing by machine tool equipment.
The wiring terminal 7 adopts an M8 or M10 wiring terminal and is matched with the butterfly nut 8, so that the disassembly and the installation are convenient.
Because this ground terminal box is sometimes used in the factory building, and factory building ground has the bearing requirement, in order to strengthen the bearing strength of ground terminal box, can add cross strengthening rib in apron 5 inboard.
Two holes are formed in the corresponding positions of the cover plate 5, and an opening device 6 is manufactured, and the cover plate can be opened by inserting the holes to rotate or exerting lateral force.
Example 2
A method of installing a ground-inserted ground-concealed-installation ground terminal box, the terminal box in embodiment 1 comprising a cylindrical housing 1, a ground terminal assembly disposed above the housing 1, and a cover plate 5 above the ground terminal assembly; the grounding terminal assembly comprises a support 2, a panel 4, an insulating plate 3 and a grounding terminal 7, wherein the panel 4 is arranged above the support 2, the insulating plate 3 is fixed on the upper surface of the bottom surface of the support 2, the grounding terminal 7 penetrates through and is fixed on the insulating plate 3, the grounding terminal 7 is inserted into the shell 1, the lower edge of the panel 4 is connected with the upper edge of the shell 1, an opening is formed in the middle of the panel 4, and a cover plate 5 is movably connected to the opening in the middle of the panel; the method comprises the following steps of:
1) Embedding a shell: the shell is pre-buried when the ground concrete is constructed, and the upper edge of the shell is lower than the ground;
2) Connection of insulating plate and ground terminal: the wiring terminal penetrates through the insulating plate, and is fixed on the insulating plate by a gasket and a fixing nut respectively at the upper and lower parts, and a butterfly nut is additionally screwed above the fixing nut at the upper end of the insulating plate; a movable nut is additionally screwed below the fixed nut at the lower end of the insulating plate;
3) The connection of the insulating plate and the bracket: the periphery of the insulating plate is provided with holes, the sizes and the positions of the holes are consistent with those of the reserved holes on the bottom surface of the support, and the insulating plate is fixedly connected with the support through screws penetrating through the holes and the reserved holes;
4) Connection of the bracket and the panel: fixedly connecting the bracket with the insulating plate with the panel through bolts;
5) And (3) connection of the embedded grounding wire: winding the pre-buried grounding wire at a position between a movable nut at the lower part of the grounding terminal and a fixed nut at the lower end of the insulating plate, tightening the movable nut, and fixedly connecting the pre-buried grounding wire;
6) Connection of ground terminal assembly to housing: placing the grounding terminal assembly connected with the bracket, the panel, the insulating plate and the grounding terminal into the shell, so that the panel falls on the edge of the shell, and the upper surface of the panel is level with the ground;
7) And (5) covering the cover plate.
In the embodiment, the grounding wire is made into the fork joint, the cover plate is opened when the grounding wire is used, the fork joint is connected between the butterfly nut and the fixed nut at the upper end of the insulating plate, and the butterfly nut is screwed down, so that the grounding wire can be used as a grounding point.
Claims (8)
1. The utility model provides a ground formula ground secretly installs ground terminal box which characterized in that: the device comprises a cylindrical shell, a grounding terminal assembly arranged above the shell, and a cover plate arranged above the grounding terminal assembly; the grounding terminal assembly comprises a bracket, a panel, an insulating plate and a grounding terminal, wherein the panel is arranged above the bracket, the insulating plate is fixed on the upper surface of the bottom surface of the bracket, the grounding terminal penetrates through and is fixed on the insulating plate, the grounding terminal is inserted into the shell, the lower edge of the panel is connected with the upper edge of the shell, an opening is formed in the middle of the panel, and the cover plate is movably connected to the opening in the middle of the panel; holes are formed in the periphery of the insulating plate, reserved holes corresponding to the holes are formed in the bottom surface of the support, and the insulating plate and the support are fixedly connected through screws penetrating through the holes and the reserved holes; the support has the ascending landing leg that is connected with the bottom surface, the panel has the landing leg that descends, and the landing leg of support and landing leg of panel are provided with corresponding screw hole, penetrate screw hole fixed connection support and panel through the bolt.
2. The ground terminal box of claim 1, wherein: the grounding terminal penetrates through the insulating plate, gaskets and a fixing nut are respectively arranged at the upper end and the lower end of the insulating plate, and the grounding terminal is fixed on the insulating plate by tightening the fixing nut; the upper part of the grounding terminal is provided with a butterfly nut, and the butterfly nut is positioned above the fixed nut at the upper end of the insulating plate; the lower part of the grounding terminal is provided with a movable nut, and the movable nut is positioned below the fixed nut at the lower end of the insulating plate.
3. The ground terminal box of claim 2, wherein: a connecting chain is arranged between the butterfly nut and the insulating plate; and a connecting chain is arranged between the cover plate and the bracket.
4. The ground terminal box of claim 1, wherein: and cross-shaped reinforcing ribs are arranged on the inner side of the cover plate.
5. The ground terminal box of claim 1, wherein: the shell comprises a side plate and a bottom plate, the upper part of the shell is provided with an opening, and a hole for a cable to enter is formed in the bottom plate of the shell.
6. The ground terminal box of claim 1, wherein: the cover plate is provided with two opening holes, the grounding terminal is further provided with a cover plate opening tool, and the cover plate opening tool is provided with an insertion end matched with the two opening holes; the cover plate is rotated by inserting the opening hole through the insertion end.
7. The installation method of the ground-inserted ground concealed-installation grounding terminal box comprises a cylindrical shell, a grounding terminal assembly arranged above the shell, and a cover plate arranged above the grounding terminal assembly; the grounding terminal assembly comprises a bracket, a panel, an insulating plate and a grounding terminal, wherein the panel is arranged above the bracket, the insulating plate is fixed on the upper surface of the bottom surface of the bracket, the grounding terminal penetrates through and is fixed on the insulating plate, the grounding terminal is inserted into the shell, the lower edge of the panel is connected with the upper edge of the shell, an opening is formed in the middle of the panel, and the cover plate is movably connected to the opening in the middle of the panel; the support is provided with upward supporting legs connected with the bottom surface, the panel is provided with downward supporting legs, the supporting legs of the support and the supporting legs of the panel are provided with corresponding threaded holes, and the support and the panel are fixedly connected through bolts penetrating the threaded holes; the method is characterized in that: the method comprises the following steps of:
1) Embedding a shell: the shell is pre-buried when the ground concrete is constructed, and the upper edge of the shell is lower than the ground;
2) Connection of insulating plate and ground terminal: the wiring terminal penetrates through the insulating plate, and is fixed on the insulating plate by a gasket and a fixing nut respectively at the upper and lower parts, and a butterfly nut is additionally screwed above the fixing nut at the upper end of the insulating plate; a movable nut is additionally screwed below the fixed nut at the lower end of the insulating plate;
3) The connection of the insulating plate and the bracket: the periphery of the insulating plate is provided with holes, the sizes and the positions of the holes are consistent with those of the reserved holes on the bottom surface of the support, and the insulating plate is fixedly connected with the support through screws penetrating through the holes and the reserved holes;
4) Connection of the bracket and the panel: fixedly connecting the bracket with the insulating plate with the panel through bolts;
5) And (3) connection of the embedded grounding wire: winding the pre-buried grounding wire at a position between a movable nut at the lower part of the grounding terminal and a fixed nut at the lower end of the insulating plate, tightening the movable nut, and fixedly connecting the pre-buried grounding wire;
6) Connection of ground terminal assembly to housing: placing the grounding terminal assembly connected with the bracket, the panel, the insulating plate and the grounding terminal into the shell, so that the panel falls on the edge of the shell, and the upper surface of the panel is level with the ground;
7) And (5) covering the cover plate.
8. The method for installing a ground-inserted ground-concealed-installation ground terminal box as claimed in claim 7, wherein: the grounding wire is made into the fork joint, the cover plate is opened when the grounding wire is used, the fork joint is connected between the butterfly nut and the fixed nut at the upper end of the insulating plate, and the butterfly nut is screwed down, so that the grounding wire can be used as a grounding point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564478.0A CN107275815B (en) | 2017-07-12 | 2017-07-12 | Ground-inserted ground concealed-installation grounding terminal box and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564478.0A CN107275815B (en) | 2017-07-12 | 2017-07-12 | Ground-inserted ground concealed-installation grounding terminal box and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107275815A CN107275815A (en) | 2017-10-20 |
| CN107275815B true CN107275815B (en) | 2023-06-23 |
Family
ID=60071951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710564478.0A Active CN107275815B (en) | 2017-07-12 | 2017-07-12 | Ground-inserted ground concealed-installation grounding terminal box and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107275815B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390167B (en) * | 2018-05-04 | 2023-12-12 | 山东交通学院 | Electrical cabinet grounding device with real-time grounding state detection and alarm functions |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08273716A (en) * | 1995-03-30 | 1996-10-18 | Mitsubishi Electric Corp | Concrete structure and grounding structure of apparatus installed in concrete structure |
| CN2655441Y (en) * | 2003-10-24 | 2004-11-10 | 刘红林 | Equipotential grounding terminal box |
| CN2800282Y (en) * | 2005-04-29 | 2006-07-26 | 胡祖春 | Lightningproof earth resistance test terminal protection box for building |
| CN201430370Y (en) * | 2009-04-03 | 2010-03-24 | 天津电力建设公司 | Structure of temporary earth terminal box for equipment maintenance |
| CN106711888A (en) * | 2016-12-16 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Grounding cassette and application construction method thereof |
-
2017
- 2017-07-12 CN CN201710564478.0A patent/CN107275815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08273716A (en) * | 1995-03-30 | 1996-10-18 | Mitsubishi Electric Corp | Concrete structure and grounding structure of apparatus installed in concrete structure |
| CN2655441Y (en) * | 2003-10-24 | 2004-11-10 | 刘红林 | Equipotential grounding terminal box |
| CN2800282Y (en) * | 2005-04-29 | 2006-07-26 | 胡祖春 | Lightningproof earth resistance test terminal protection box for building |
| CN201430370Y (en) * | 2009-04-03 | 2010-03-24 | 天津电力建设公司 | Structure of temporary earth terminal box for equipment maintenance |
| CN106711888A (en) * | 2016-12-16 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Grounding cassette and application construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107275815A (en) | 2017-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8479455B2 (en) | Flashing assembly | |
| CN107275815B (en) | Ground-inserted ground concealed-installation grounding terminal box and installation method thereof | |
| US10700502B2 (en) | Wall penetration panel | |
| CN205369954U (en) | Positioner is assembled to truss steel pipe | |
| CN201430370Y (en) | Structure of temporary earth terminal box for equipment maintenance | |
| CN205207925U (en) | Fixed plugging device of pipeline side | |
| CN203500650U (en) | Quick installation box for faucet and combination rack of quick installation box | |
| CN205921066U (en) | Seal structure of antenna setting interface | |
| CN107181221A (en) | A kind of insulating sleeve and the gas-filling cabinet with the insulating sleeve | |
| CN109282153B (en) | Novel detection line leading-out device for underground pipe network | |
| CN2800282Y (en) | Lightningproof earth resistance test terminal protection box for building | |
| CN107196077B (en) | Wall concealed-installation grounding terminal box and installation method thereof | |
| CN201083703Y (en) | Immersion lines | |
| CN204152103U (en) | Leak-proof device reinforced by a kind of roofing | |
| CN220012821U (en) | High-efficient portable pipeline test stake is maintained and testing arrangement | |
| CN108695108B (en) | Multifunctional gas relay protective cover made of organic composite material | |
| CN204497395U (en) | A kind of " h " shape ground wire fixing device | |
| KR20140071290A (en) | Terminal box for measuring electric potential. | |
| CN216851199U (en) | Take safeguard function's valve controller's aluminum alloy terminal box | |
| CN203574978U (en) | RPC oil pumping unit control cabinet | |
| CN213929699U (en) | Assembled water pipe positioner | |
| CN2643116Y (en) | Hoisting pipe clamp | |
| CN203345444U (en) | Lower can body of industrial insulation can | |
| JP2008127797A (en) | Rooftop installed hood box | |
| CN210325436U (en) | Falling object prevention device for installing transformer low-voltage sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |