CN112636029A - High-voltage cable butt-joint box grounding wire with clamping rods and use method - Google Patents
High-voltage cable butt-joint box grounding wire with clamping rods and use method Download PDFInfo
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- CN112636029A CN112636029A CN202011451174.1A CN202011451174A CN112636029A CN 112636029 A CN112636029 A CN 112636029A CN 202011451174 A CN202011451174 A CN 202011451174A CN 112636029 A CN112636029 A CN 112636029A
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- Prior art keywords
- clamping
- rod
- clamping arm
- rotating pin
- far away
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/26—End pieces terminating in a screw clamp, screw or nut
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- 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
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
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- 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
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- 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
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a high-voltage cable butt joint box grounding wire with a clamping rod and a using method thereof, the high-voltage cable butt joint box grounding wire comprises a cable, one end of the cable is grounded, the other end of the cable is connected with a connecting piece, the connecting piece comprises a rotating rod, a cable connecting piece and a rotating piece, a connecting nut is arranged at one end of the rotating rod and is matched with a screw rod on a butt joint box, the clamping rod further comprises a clamping rod, the clamping rod comprises a clamping arm mounting seat, one end of the clamping arm mounting seat is connected with a rod body, the other end of the clamping arm mounting seat is provided with a left clamping arm and a right clamping arm which are symmetrically arranged, one end of the left clamping arm, far away from the clamping arm mounting seat, is provided with a first clamping head, one end of the right clamping arm, far away from the. The problem of prior art earth connection can not be used for cable butt joint case, lead to the power failure scope to enlarge, increased staff's work load has been solved.
Description
Technical Field
The invention relates to the field of high-voltage cable line distribution equipment, in particular to a high-voltage cable butt-joint box grounding wire with clamping rods and a use method.
Background
Switch boxes and ring main units in existing 10KV cable line distribution equipment generally have earthing devices, cable butt joint boxes are not provided with earthing devices, and when cable lines need to be subjected to power failure maintenance or other work needing power failure, due to the fact that work earthing cannot be installed on a working site, a first-stage switch box needs to be stopped, a grounding switch is closed, the work requirement can be met, the power failure range is expanded, and the workload of operators is increased. The existing grounding wire is specially designed for hanging and connecting a cable, a three-phase bus bolt is arranged in a cable butt box where grounding is needed, and the existing grounding wire cannot be used for the cable butt box.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the invention aims to provide a high-voltage cable butt-joint box grounding wire with clamping rods and a using method thereof.
The technical scheme of the invention is as follows: a high-voltage cable butt-joint box grounding wire with a clamping rod comprises a cable wire, wherein one end of the cable wire is grounded, the other end of the cable wire is connected with a connecting piece, the connecting piece comprises a rotating rod, a cable connecting piece and a rotating piece, one end of the rotating rod is provided with a connecting nut, the connecting nut is matched with a screw rod on the butt joint box, the high-voltage cable butt-joint box grounding wire with the clamping rod further comprises the clamping rod, the clamping rod comprises a clamping arm mounting seat, one end of the clamping arm mounting seat is connected with a rod body, the other end of the clamping arm mounting seat is provided with a left clamping arm and a right clamping arm, the left clamping arm and the right clamping arm are symmetrically arranged on the clamping arm mounting seat, a first clamping head is arranged at one end of the left clamping arm, which is far away from the clamping arm mounting seat, a second clamping head is arranged at one end of the right clamping arm, which is far away from the clamping arm mounting seat, and the cavity enclosed by the first clamping head and the second clamping head can be matched with the end of the rotating rod far away from the connecting nut.
Furthermore, one end of the left clamping arm far away from the clamping head is provided with a first rotating pin and a first rotating pin hole, a rotating pin II and a rotating pin hole II are arranged at one end of the right clamping arm far away from the clamping head II, a rotating pin III and a rotating pin IV which are symmetrical left and right are arranged at one end of the clamping arm mounting seat far away from the rod body, the rotating pin hole I is matched with the rotating pin III, the rotating pin hole II is matched with the rotating pin IV, a pull rope seat is also arranged on the clamping arm mounting seat, one side of the pull rope seat facing the rod body is connected with a pull rope, the other side is provided with a rotating pin V and a rotating pin VI, a connecting sheet I is matched on the rotating pin V, a connecting sheet II is matched on the rotating pin VI, the other end of the connecting sheet I is matched with the rotating pin I, the connecting sheet II is matched with the rotating pin I, the end, far away from the clamping arm mounting seat, of the rod body is further provided with a handle and a pressing handle, one end, far away from the pull rope seat, of the pull rope is connected with the pressing handle, and the pull rope tends to move towards the pressing handle along with the pressing of the pressing handle.
Furthermore, a spring is connected to one side, facing the rod body, of the pull rope seat surface, one end, far away from the pull rope seat, of the spring abuts against the end surface of the rod body, and the spring has a movement tendency of pushing the pull rope seat to the direction far away from the rod body.
Furthermore, the interior of the rod body is of a hollow structure with two through ends, the linear distance between any two points on the section of the hollow part is smaller than the diameter of the inner ring of the spring, and the pull rope is connected with the pressing handle along the hollow part of the rod body.
Furthermore, the clamping rods are made of insulating materials.
Furthermore, a protective baffle is arranged on one side of the rod body close to the clamping arm mounting seat.
Furthermore, the protective baffle is made of transparent materials.
A use method of a high-voltage cable butt-joint box grounding wire with a clamping rod comprises the following steps:
grounding one end of the cable far away from the connecting piece;
pressing a pressing handle of the clamping rod, and clamping one end of the rotating rod of the connecting piece, which is far away from the connecting nut, in a cavity defined by the left clamping arm and the right clamping arm;
step three, holding one end of the clamping rod with a pressing handle, and matching a connecting nut of the connecting piece with a screw rod of the butt joint box;
and step four, after the connecting nut of the connecting piece is firmly connected with the screw rod of the butt joint box, the clamping rod pressing handle is loosened, and the left clamping arm and the right clamping arm of the clamping rod are opened, so that the clamping rod is separated from the connecting piece.
The invention has the beneficial effects that:
compared with the prior art:
1) when the connecting device is used, the connecting nut is matched with a three-phase bus bolt on the butt joint box, the clamping rod with the clamping head is arranged, then the left clamping arm and the right clamping arm on the clamping rod are meshed to clamp the connecting piece, so that the connecting piece can be rotated by rotating the clamping rod, the connecting nut is connected with and separated from the three-phase bus bolt, the butt joint box can be grounded by a cable, the working requirement can be met without stopping a primary switch box and closing a grounding switch, the power failure range is prevented from being expanded, and the workload of operators is reduced;
2) according to the invention, the closing mechanism is arranged on the clamping rod, so that the clamping operation of the clamping rod is facilitated;
3) according to the invention, the spring mechanism is arranged on the clamping rod, so that the opening operation of the clamping rod is facilitated;
4) the pull rope is arranged in the hollow structure of the rod body, so that the pull rope is not damaged in operation and use;
5) according to the invention, the clamping rods are made of insulating materials, so that electric shock is prevented from occurring in the operation process, and the safety is ensured;
6) the protection baffle is arranged, so that electric sparks generated in the process of connecting the butt joint box with the butt joint box are prevented from hurting people, and the safety of operation is ensured;
7) according to the invention, the material of the protective baffle is set to be transparent, so that the visualization of the operation process is ensured, and the safety is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the clamping bar of the present invention;
FIG. 3 is an enlarged view of the clamping bar of the present invention at the end thereof;
fig. 4 is an assembly view of the guard of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
the implementation mode is as follows: referring to fig. 1 to 4, a high voltage cable butt joint box grounding wire with a clamping rod comprises a cable 1, one end of the cable 1 is grounded, the other end of the cable is connected with a connecting piece 2, the connecting piece 2 comprises a rotating rod 202, a cable connecting piece 203 and a rotating piece 204, one end of the rotating rod 202 is provided with a connecting nut 201, the connecting nut 201 is matched with a screw rod on a butt joint box, the high voltage cable butt joint box grounding wire with the clamping rod further comprises a clamping rod 3, the clamping rod 3 comprises a clamping arm mounting seat 304, one end of the clamping arm mounting seat 304 is connected with a rod body 301, the other end of the clamping arm mounting seat 304 is provided with a left clamping arm 302 and a right clamping arm 303, the left clamping arm 302 and the right clamping arm 303 are symmetrically arranged on the clamping arm mounting seat 304, one end of the left clamping arm 302, which is far away from the clamping arm mounting seat 304, is provided with a first clamping head, and the cavity enclosed by the first clamping head 3021 and the second clamping head 3031 can be matched with the end of the rotating rod 202 far away from the connecting nut.
Further, a first rotating pin 3022 and a first rotating pin hole 3023 are arranged at one end of the left clamping arm 302, which is far away from the first clamping head 3021, a second rotating pin 3032 and a second rotating pin hole 3033 are arranged at one end of the right clamping arm 303, which is far away from the second clamping head 3031, a third rotating pin 3041 and a fourth rotating pin 3042 which are bilaterally symmetrical are arranged at one end of the clamping arm mounting base 304, which is far away from the rod body 301, a first rotating pin hole 3023 is matched with the third rotating pin 3041, a second rotating pin hole 3033 is matched with the fourth rotating pin 3042, a pull rope base 3047 is further arranged on the clamping arm mounting base 304, a pull rope 3049 is connected to one side of the pull rope base 3047, which faces the rod body 301, a fifth rotating pin 3045 and a sixth rotating pin 3046 are arranged at the other side of the pull rope base 3043, a second connecting piece 3044 is matched with the sixth rotating pin 3046, a first connecting piece 3043 is matched with the first rotating pin 3022, a second connecting piece is matched with the first rotating pin 3032, a handle 305 and a pressing handle 305, the pull rope 3049 is connected to the pressing handle 306 at an end away from the pull rope seat 3047, and the pull rope 3049 tends to move toward the pressing handle 306 in accordance with the pressing of the pressing handle 306.
Further, a spring 3048 is connected to a side of the pull rope base 3047 facing the rod 301, an end of the spring 3048 away from the pull rope base 3047 abuts against an end surface of the rod 301, and the spring 3048 tends to push the pull rope base 3047 in a direction away from the rod 301.
Further, the inside of the rod body 301 is a hollow structure with two through ends, a linear distance between any two points on the cross section of the hollow portion is smaller than the diameter of the inner ring of the spring 3048, and the pull rope 3049 is connected with the pressing handle 306 along the hollow portion of the rod body 301.
Furthermore, the clamping rods 3 are made of insulating materials.
Further, a protective guard 307 is provided on the rod 301 on the side close to the clamp arm mounting base 304.
Further, the protective baffle 307 is made of a transparent material.
Firstly, grounding one end of a cable 1, which is far away from a connecting piece 2;
pressing a pressing handle 306 of the clamping rod 3, and clamping one end of the rotating rod 202 of the connecting piece 2, which is far away from the connecting nut 201, in a cavity defined by the left clamping arm 302 and the right clamping arm 303;
step three, one end of the clamping rod 3 with the pressing handle 306 is held by hand, and the connecting nut 201 of the connecting piece 2 is matched with the screw rod of the butt joint box;
and step four, after the connecting nut 201 of the connecting piece 2 is firmly connected with the screw rod of the butt joint box, the pressing handle 306 of the clamping rod 3 is loosened, and the left clamping arm 302 and the right clamping arm 303 of the clamping rod 3 are opened, so that the clamping rod 3 is separated from the connecting piece 2.
During operation, ground connection cable conductor 1's one end earlier, then press the handle 306 of pressing of supporting rod 3, keep away from the dwang 202 of connecting piece coupling nut one end centre gripping in the cavity that the centre gripping arm encloses about, the handle 305 of the handheld supporting rod 3 of operating personnel, twist the coupling nut 201 of connecting piece 2 on the screw rod of butt joint case, just so realized the ground connection of butt joint case, screw up firm back at coupling nut, loosen and press the handle 306, open the left and right sides centre gripping arm of supporting rod 3, realize supporting rod 3 and the separation of connecting piece 2 promptly, prevent that the people from leading to ground connection to lose efficacy for touching supporting rod 3.
When the grounding is removed, the clamping rods 3 are matched with the connecting piece 2 again, the clamping rods 3 are rotated reversely, and the connecting nuts of the connecting piece 2 are separated from the screw rods of the butt-joint boxes, so that the grounding is removed.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. The utility model provides a take high tension cable butt joint box earth connection of supporting rod, includes cable conductor (1), its characterized in that: the cable comprises a cable body (1), a connecting piece (2) is connected to one end of the cable body (1), the connecting piece (2) comprises a rotating rod (202), a cable connecting piece (203) and a rotating piece (204), a connecting nut (201) is arranged at one end of the rotating rod (202), the connecting nut (201) is matched with a screw rod on a butt joint box, the high-voltage cable butt joint box grounding wire with the clamping rod further comprises a clamping rod (3), the clamping rod (3) comprises a clamping arm mounting seat (304), one end of the clamping arm mounting seat (304) is connected with a rod body (301), the other end of the clamping arm mounting seat is provided with a left clamping arm (302) and a right clamping arm (303), the left clamping arm (302) and the right clamping arm (303) are symmetrically arranged on the clamping arm mounting seat (304), a first clamping head (3021) is arranged at one end, far away from the clamping arm mounting seat (304), of the right clamping arm (303) is provided with a second clamping, and a cavity enclosed by the first clamping head (3021) and the second clamping head (3031) can be matched with the end of the rotating rod (202) far away from the connecting nut.
2. The grounding wire with the clamping rods for the high-voltage cable butt-joint box of claim 1, wherein: a first rotating pin (3022) and a first rotating pin hole (3023) are arranged at one end of the left clamping arm (302) far away from the first clamping head (3021), a second rotating pin (3032) and a second rotating pin hole (3033) are arranged at one end of the right clamping arm (303) far away from the second clamping head (3031), a third rotating pin (3041) and a fourth rotating pin (3042) which are symmetrical to each other left and right are arranged at one end of the clamping arm mounting seat (304) far away from the rod body (301), the first rotating pin hole (3023) is matched with the third rotating pin (3041), the second rotating pin hole (3033) is matched with the fourth rotating pin (3042), a pull rope seat (3047) is further arranged on the clamping arm mounting seat (304), a pull rope (3049) is connected to one side of the rod body (301), a fifth rotating pin (3045) and a sixth rotating pin (3046) are arranged at the other side, a first connecting sheet (3043) is matched with the sixth rotating pin (3046), and a first connecting sheet (3044) is matched with the other connecting sheet (3042), the connecting piece II (3044) is matched with the rotating pin I (3032), one end of the rod body (301), which is far away from the clamping arm mounting seat (304), is also provided with a handle (305) and a pressing handle (306), one end of the pull rope (3049), which is far away from the pull rope seat (3047), is connected with the pressing handle (306), and the pull rope (3049) has a tendency of moving towards the pressing handle (306) along with the pressing of the pressing handle (306).
3. The grounding wire with the clamping rods for the high-voltage cable butt-joint box of claim 2, wherein: one side of the pull rope seat (3047) facing the rod body (301) is further connected with a spring (3048), one end, far away from the pull rope seat (3047), of the spring (3048) abuts against the end face of the rod body (301), and the spring (3048) has a movement trend of pushing the pull rope seat (3047) to the direction far away from the rod body (301).
4. A high voltage cable butt box ground wire with a clamping bar as claimed in claim 3, wherein: the interior of the rod body (301) is of a hollow structure with two through ends, the linear distance between any two points on the section of the hollow part is smaller than the diameter of an inner ring of the spring (3048), and the pull rope (3049) is connected with the pressing handle (306) along the hollow part of the rod body (301).
5. The high-voltage cable junction box ground wire with the clamping bar according to any one of claims 1 to 4, wherein: the clamping rods (3) are made of insulating materials.
6. The high-voltage cable junction box ground wire with the clamping bar according to any one of claims 1 to 4, wherein: a protective baffle (307) is arranged on one side of the rod body (301) close to the clamping arm mounting seat (304).
7. The high-voltage cable butt-box ground wire with the clamping bar according to claim 6, wherein: the protective baffle (307) is made of transparent material.
8. The use method of the high-voltage cable butt-joint box grounding wire with the clamping rods as claimed in claim 2, is characterized in that: the method comprises the following steps:
firstly, grounding one end of a cable (1) far away from a connecting piece (2);
pressing a pressing handle (306) of the clamping rod (3), and clamping one end, far away from the connecting nut (201), of the rotating rod (202) of the connecting piece (2) in a cavity formed by the surrounding of the left clamping arm (302) and the right clamping arm (303);
step three, one end of the clamping rod (3) with a pressing handle (306) is held by hand, and a connecting nut (201) of the connecting piece (2) is matched with a screw rod of the butt joint box;
and step four, after the connecting nut (201) of the connecting piece (2) is firmly connected with the screw rod of the butt joint box, loosening the clamping rod (3) to press the handle (306), and opening the left clamping arm (302) and the right clamping arm (303) of the clamping rod (3) so that the clamping rod (3) is separated from the connecting piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451174.1A CN112636029A (en) | 2020-12-10 | 2020-12-10 | High-voltage cable butt-joint box grounding wire with clamping rods and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451174.1A CN112636029A (en) | 2020-12-10 | 2020-12-10 | High-voltage cable butt-joint box grounding wire with clamping rods and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112636029A true CN112636029A (en) | 2021-04-09 |
Family
ID=75309744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011451174.1A Pending CN112636029A (en) | 2020-12-10 | 2020-12-10 | High-voltage cable butt-joint box grounding wire with clamping rods and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112636029A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241588A (en) * | 2021-05-28 | 2021-08-10 | 贵州电网有限责任公司 | Rapid grounding device of switch box and use method thereof |
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| JPH10156747A (en) * | 1996-11-26 | 1998-06-16 | Nishi Nippon Electric Wire & Cable Co Ltd | Manipulator cover mounting tool |
| CN103094722A (en) * | 2013-01-21 | 2013-05-08 | 上海市电力公司 | Clip-type fast access joint for emergency supply vehicle |
| CN203013965U (en) * | 2012-12-24 | 2013-06-19 | 阆中市电力总公司 | Branch box ground wire adapter |
| CN203192954U (en) * | 2013-05-09 | 2013-09-11 | 国家电网公司 | Multifunctional grounding connection wire clamp |
| CN204793253U (en) * | 2015-07-09 | 2015-11-18 | 国家电网公司 | A earth connection anchor clamps for small -size work box of 0. 4kV |
| CN205141164U (en) * | 2015-11-24 | 2016-04-06 | 德阳新源电器有限责任公司 | Ground connection wire device of cable branch box |
| CN206490196U (en) * | 2017-03-09 | 2017-09-12 | 国家电网公司 | A kind of switch cubicle inner cable head Special grounding wire |
| CN209169422U (en) * | 2019-01-30 | 2019-07-26 | 国网江西省电力有限公司景德镇供电分公司 | 10kV power cable branch box is grounded with rear T-type |
| CN110620345A (en) * | 2019-09-12 | 2019-12-27 | 国网宁夏电力有限公司中卫供电公司 | 10kV middle-placed switch cabinet bus grounding rod |
-
2020
- 2020-12-10 CN CN202011451174.1A patent/CN112636029A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10156747A (en) * | 1996-11-26 | 1998-06-16 | Nishi Nippon Electric Wire & Cable Co Ltd | Manipulator cover mounting tool |
| CN203013965U (en) * | 2012-12-24 | 2013-06-19 | 阆中市电力总公司 | Branch box ground wire adapter |
| CN103094722A (en) * | 2013-01-21 | 2013-05-08 | 上海市电力公司 | Clip-type fast access joint for emergency supply vehicle |
| CN203192954U (en) * | 2013-05-09 | 2013-09-11 | 国家电网公司 | Multifunctional grounding connection wire clamp |
| CN204793253U (en) * | 2015-07-09 | 2015-11-18 | 国家电网公司 | A earth connection anchor clamps for small -size work box of 0. 4kV |
| CN205141164U (en) * | 2015-11-24 | 2016-04-06 | 德阳新源电器有限责任公司 | Ground connection wire device of cable branch box |
| CN206490196U (en) * | 2017-03-09 | 2017-09-12 | 国家电网公司 | A kind of switch cubicle inner cable head Special grounding wire |
| CN209169422U (en) * | 2019-01-30 | 2019-07-26 | 国网江西省电力有限公司景德镇供电分公司 | 10kV power cable branch box is grounded with rear T-type |
| CN110620345A (en) * | 2019-09-12 | 2019-12-27 | 国网宁夏电力有限公司中卫供电公司 | 10kV middle-placed switch cabinet bus grounding rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241588A (en) * | 2021-05-28 | 2021-08-10 | 贵州电网有限责任公司 | Rapid grounding device of switch box and use method thereof |
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Application publication date: 20210409 |
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