CN112636028A - Portable and detachable grounding wire of high-voltage cable butt-joint box and use method - Google Patents
Portable and detachable grounding wire of high-voltage cable butt-joint box and use method Download PDFInfo
- Publication number
- CN112636028A CN112636028A CN202011451151.0A CN202011451151A CN112636028A CN 112636028 A CN112636028 A CN 112636028A CN 202011451151 A CN202011451151 A CN 202011451151A CN 112636028 A CN112636028 A CN 112636028A
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- Prior art keywords
- cable
- connecting piece
- joint box
- rotating
- piece
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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)
- Cable Accessories (AREA)
Abstract
The invention discloses a portable detachable high-voltage cable butt-joint box grounding wire which comprises a cable, wherein one end of the cable is connected with a connecting piece, the connecting piece is provided with a connecting nut, the connecting nut is matched with a screw rod on a butt-joint box, and the cable is electrically communicated with the connecting piece; the connecting piece also comprises a rotating rod, a cable connecting piece and a rotating piece, wherein the rotating rod is connected with the cable connecting piece through the rotating piece, the rotating rod, the rotating piece and the cable connecting piece are electrically communicated, a cable is connected to the cable connecting piece, and a connecting nut is connected to one end of the rotating rod; still include the action bars, action bars one end is equipped with the hole, hole one end is opened the other end and is sealed to the hole can match with keeping away from coupling nut end of dwang. 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 portable detachable grounding wire of a high-voltage cable butt-joint box and a using 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 portable detachable high-voltage cable butt-joint box grounding wire and a using method thereof.
The technical scheme of the invention is as follows: a portable detachable high-voltage cable butt-joint box grounding wire comprises a cable, wherein one end of the cable is connected with a connecting piece, the connecting piece is provided with a connecting nut, the connecting nut is matched with a screw rod on a butt-joint box, and the cable is electrically communicated with the connecting piece; the connecting piece also comprises a rotating rod, a cable connecting piece and a rotating piece, wherein the rotating rod is connected with the cable connecting piece through the rotating piece, the rotating rod, the rotating piece and the cable connecting piece are electrically communicated, a cable is connected to the cable connecting piece, and a connecting nut is connected to one end of the rotating rod; still include the action bars, action bars one end is equipped with the hole, hole one end is opened the other end and is sealed to the hole can match with keeping away from coupling nut end of dwang.
Further, the rotation piece is a rolling bearing, the inner ring of the rolling bearing is fixed at the middle section of the rotating rod, the rotating rod penetrates into the inner hole of the rolling bearing, and the outer ring of the rolling bearing is fixed on the cable connecting piece.
Further, the section of the rotating rod, which is far away from the end of the connecting nut, is hexagonal.
Furthermore, the operating rod is made of insulating materials.
Furthermore, an anti-skidding sheath is arranged at one end, far away from the inner hole, of the operating rod.
Further, the bottom of the inner hole is provided with a magnet block.
Further, the rotating member is a sealed rolling bearing.
A use method of a portable detachable high-voltage cable butt-joint box grounding wire comprises the following steps:
grounding one end of the cable far away from the connecting piece;
matching the rotating rod of the connecting piece with the inner hole of the operating rod;
step three, holding one end of the operating rod with the anti-slip sheath, and matching a connecting nut of the connecting piece with a screw rod of the butt joint box;
and step four, pulling the operating rod to separate the operating rod from the connecting piece after the connecting nut of the connecting piece is firmly connected with the screw rod of the butt joint box.
The invention has the beneficial effects that:
compared with the prior art:
1) when the invention is used, the connecting piece with the connecting nut is arranged on the grounded cable wire and is matched with the screw rod of the butt joint box through the connecting nut, and the cable wire and the connecting piece are electrically communicated with the screw rod of the butt joint box,
the rotating rod, the cable connecting piece and the rotating piece for connecting the rotating rod and the cable connecting piece are arranged on the connecting piece, so that the rotating rod can freely rotate relative to the cable connecting piece, meanwhile, the cable is connected to the cable connecting piece, the connecting nut is connected to one end of the rotating rod, the cable is kept not to rotate in the process that the connecting nut is matched with the screw rod of the butt joint box, the cable is prevented from being wound on the connecting piece, the safety performance is improved, the problem that the butt joint box cannot be installed on a working site for grounding is solved, the power failure range is prevented from being expanded, and the workload of operators;
2) according to the invention, the rotating part is set as the rolling bearing, so that the rotating rod and the cable connecting piece can rotate more smoothly;
3) according to the invention, the other end of the rotating rod is hexagonal, so that the operating rod is more convenient to maintain and replace;
4) according to the invention, the operating rod is made of an insulating material, so that electric shock is prevented from occurring in the operating process, and the safety is ensured;
5) the anti-skid sheath is additionally arranged on the operating rod, so that the operation is convenient;
6) according to the invention, the magnet block is arranged at the bottom of the inner hole of the operating rod, so that the operating rod and the rotating part of the connecting piece can be kept stable in the matching process;
7) the rotating part is set as the sealed rolling bearing, so that the resistance of the rotating part is reduced while the cable is prevented from being wound on the connecting part.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a perspective view of the connector of the present invention;
fig. 3 is a cutaway view of the lever 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 3, a portable detachable high-voltage cable docking box grounding wire comprises a cable 1, wherein one end of the cable 1 is connected with a connecting piece 2, the connecting piece 2 is provided with a connecting nut 201, the connecting nut 201 is matched with a screw rod on a docking box, and the cable 1 is electrically communicated with the connecting piece 2; the connecting piece 2 further comprises a rotating rod 202, a cable connecting piece 203 and a rotating piece 204, wherein the rotating rod 202 is connected with the cable connecting piece 203 through the rotating piece 204, the rotating rod 202, the rotating piece 204 and the cable connecting piece 203 are electrically communicated, the cable 1 is connected to the cable connecting piece 203, and a connecting nut 201 is connected to one end of the rotating rod 202; still include action bars 3, 3 one end of action bars is equipped with hole 301, hole 301 one end is opened, and the other end is sealed to hole 301 can match with the coupling nut end of keeping away from of dwang 202.
Further, the rotating part 204 is a rolling bearing, an inner ring 2041 of the rolling bearing is fixed at the middle section of the rotating rod 202, the rotating rod 202 penetrates into an inner hole of the rolling bearing, and an outer ring 2042 of the rolling bearing is fixed on the cable connecting piece 203.
Further, the section of the rotating rod 202 far away from the end of the connecting nut is hexagonal.
Further, the operating rod 3 is made of an insulating material.
Further, an anti-slip sheath 302 is arranged at one end of the operating rod 3 far away from the inner hole 301.
Further, a magnet block 303 is arranged at the bottom of the inner hole 301.
Further, the rotating member 204 is a sealed rolling bearing.
A use method of a portable detachable high-voltage cable butt-joint box grounding wire comprises the following steps:
firstly, grounding one end of a cable 1, which is far away from a connecting piece 2;
step two, matching the rotating rod 202 of the connecting piece 2 with the inner hole 301 of the operating rod 3;
step three, holding one end of the operating rod 3 with the anti-slip sheath 302, and matching the connecting nut 201 of the connecting piece 2 with the screw rod of the butt joint box;
and step four, pulling the operating rod 3 to separate the operating rod from the connecting piece 203 after the connecting nut 201 of the connecting piece 2 is firmly connected with the butt joint box screw rod.
During operation, the one end of cable conductor 1 is grounded earlier, then match connecting piece 2 and action bars 3 together, and operating personnel holds handle bars 3, twists connecting nut 201 of connecting piece 2 on the screw rod of butt joint case, has just so realized the ground connection of butt joint case, screws up firm back at connecting nut, with power pulling action bars 3, with action bars 3 and connecting piece 2 separation, prevent that the artificial operating bar 3 that touches from leading to the ground connection inefficacy.
When the grounding is removed, the operating rod 3 is matched with the connecting piece 2 again, the operating rod 3 is rotated reversely, and the connecting nut of the connecting piece 2 is separated from the screw rod of the butt box, 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 portable detachable high tension cable butt joint box earth connection, includes cable conductor (1), its characterized in that: one end of the cable (1) is connected with a connecting piece (2), the connecting piece (2) is provided with a connecting nut (201), the connecting nut (201) is matched with a screw rod on the butt joint box, and the cable (1) is electrically communicated with the connecting piece (2); the connecting piece (2) further comprises a rotating rod (202), a cable connecting piece (203) and a rotating piece (204), the rotating rod (202) is connected with the cable connecting piece (203) through the rotating piece (204), the rotating rod (202), the rotating piece (204) and the cable connecting piece (203) are electrically communicated, a cable (1) is connected onto the cable connecting piece (203), and a connecting nut (201) is connected to one end of the rotating rod (202); still include action bars (3), action bars (3) one end is equipped with hole (301), hole (301) one end is opened, and the other end seals to hole (301) can be matched with the coupling nut end of keeping away from of dwang (202).
2. The portable detachable high-voltage cable butt-joint box grounding wire of claim 1, wherein: the rotating piece (204) is a rolling bearing, an inner ring (2041) of the rolling bearing is fixed at the middle section of the rotating rod (202), the rotating rod (202) penetrates into an inner hole of the rolling bearing, and an outer ring (2042) of the rolling bearing is fixed on the cable connecting piece (203).
3. The portable detachable high-voltage cable butt-joint box grounding wire of claim 1, wherein: the section of the rotating rod (202) far away from the end of the connecting nut is hexagonal.
4. The portable detachable high-voltage cable docking box ground wire of claim 1, wherein: the operating rod (3) is made of insulating materials.
5. The portable detachable high-voltage cable butt-joint box grounding wire of claim 1, wherein: and an anti-skidding sheath (302) is arranged at one end, far away from the inner hole (301), of the operating rod (3).
6. The portable detachable high-voltage cable butt-joint box grounding wire of claim 1, wherein: and a magnet block (303) is arranged at the bottom of the inner hole (301).
7. The portable detachable high-voltage cable butt-joint box grounding wire of claim 2, wherein: the rotating piece (204) is a sealed rolling bearing.
8. A use method of a portable detachable high-voltage cable butt-joint box grounding wire according to claim 5, characterized by comprising the following steps: the method comprises the following steps:
firstly, grounding one end of a cable (1) far away from a connecting piece (2);
matching the rotating rod (202) of the connecting piece (2) with the inner hole (301) of the operating rod (3);
step three, holding one end of the operating rod (3) with an anti-skidding sheath (302), and matching a connecting nut (201) of the connecting piece (2) 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 butt joint box screw rod, pulling the operating rod (3) to separate the operating rod from the connecting piece (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451151.0A CN112636028A (en) | 2020-12-10 | 2020-12-10 | Portable and detachable grounding wire of high-voltage cable butt-joint box and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451151.0A CN112636028A (en) | 2020-12-10 | 2020-12-10 | Portable and detachable grounding wire of high-voltage cable butt-joint box and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112636028A true CN112636028A (en) | 2021-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011451151.0A Pending CN112636028A (en) | 2020-12-10 | 2020-12-10 | Portable and detachable grounding wire of high-voltage cable butt-joint box and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112636028A (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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000003772A (en) * | 1998-06-15 | 2000-01-07 | Matsushita Electric Works Ltd | Plug for wiring duct |
| CN2485848Y (en) * | 2001-04-25 | 2002-04-10 | 杨键 | Inner ground wire for cable branch box |
| CN203707371U (en) * | 2014-02-13 | 2014-07-09 | 湖州泰仑电力设备有限公司 | Ground wire hanging device suitable for shield type cable accessory |
| CN205406775U (en) * | 2015-09-11 | 2016-07-27 | 国网浙江临海市供电公司 | Ground wire apparatus |
| CN207338666U (en) * | 2017-11-14 | 2018-05-08 | 贵州电网有限责任公司 | A kind of cable elbow-shaped head ground 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 |
-
2020
- 2020-12-10 CN CN202011451151.0A patent/CN112636028A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000003772A (en) * | 1998-06-15 | 2000-01-07 | Matsushita Electric Works Ltd | Plug for wiring duct |
| CN2485848Y (en) * | 2001-04-25 | 2002-04-10 | 杨键 | Inner ground wire for cable branch box |
| CN203707371U (en) * | 2014-02-13 | 2014-07-09 | 湖州泰仑电力设备有限公司 | Ground wire hanging device suitable for shield type cable accessory |
| CN205406775U (en) * | 2015-09-11 | 2016-07-27 | 国网浙江临海市供电公司 | Ground wire apparatus |
| CN207338666U (en) * | 2017-11-14 | 2018-05-08 | 贵州电网有限责任公司 | A kind of cable elbow-shaped head ground 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 |
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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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |