CN111968875A - Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof - Google Patents

Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof Download PDF

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Publication number
CN111968875A
CN111968875A CN202010846645.2A CN202010846645A CN111968875A CN 111968875 A CN111968875 A CN 111968875A CN 202010846645 A CN202010846645 A CN 202010846645A CN 111968875 A CN111968875 A CN 111968875A
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CN
China
Prior art keywords
temporary
isolating switch
lead
grounding wire
connecting plate
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.)
Granted
Application number
CN202010846645.2A
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Chinese (zh)
Other versions
CN111968875B (en
Inventor
于勇
牛冠清
王苹
高解放
刘明明
刘润洁
秦浩然
焦扬
何文英
王东蕊
陈永刚
黄旭
阎建中
王玉坚
白海滨
赵婧
马欣欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tangshan Power Supply Co Of State Grid Hebei Electric Power Co ltd
State Grid Corp of China SGCC
Original Assignee
Tangshan Power Supply Co Of State Grid Hebei Electric Power Co ltd
State Grid Corp of China SGCC
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Tangshan Power Supply Co Of State Grid Hebei Electric Power Co ltd, State Grid Corp of China SGCC filed Critical Tangshan Power Supply Co Of State Grid Hebei Electric Power Co ltd
Priority to CN202010846645.2A priority Critical patent/CN111968875B/en
Publication of CN111968875A publication Critical patent/CN111968875A/en
Application granted granted Critical
Publication of CN111968875B publication Critical patent/CN111968875B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/58Electric connections to or between contacts; Terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/58Electrically-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
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/58Electrically-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
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/646Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/58Electrically-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
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

Abstract

The invention relates to a compression joint lead wire clamp of an isolating switch with a temporary grounding wire device and a using method thereof, belonging to the technical field of isolating switch maintenance equipment. The technical scheme is as follows: the main connecting plate (1) of the isolating switch is arranged on a disconnecting link wiring board (19) of the isolating switch (16) through a connecting plate screw hole; the top end of the main connecting plate (1) of the isolating switch is provided with a lead wire pressing joint A (2) and a lead wire pressing joint B (3), and two overhead leads (17) are respectively pressed in lead wire pressing joints of the lead wire pressing joint A (2) and the lead wire pressing joint B (3); and a temporary grounding wire device (15) is arranged on the side surface of the main connecting plate (1) of the isolating switch. The invention has the beneficial effects that: when the isolating switch overhauls, hang the earthing for work line on the earthing for work line device, the earthing for work line hangs firmly, has avoided fortune dimension personnel to touch live-wire equipment for hanging the overhead work mistake of earthing for work line and has got rid of the potential safety hazard of height, has guaranteed fortune dimension personnel operation safety.

Description

Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof
Technical Field
The invention relates to a crimping lead wire clamp of an isolating switch with a temporary grounding wire device and a using method thereof, which are suitable for overhauling an isolating switch with voltage of 220kV or more and belong to the technical field of isolating switch overhauling equipment.
Background
When transformer substation equipment is overhauled, grounding disconnecting links need to be closed or temporary ground wires need to be hung on two sides of the overhauling equipment, the purpose of isolating the overhauling equipment from live equipment is achieved, the electric equipment cannot threaten the overhauling equipment and cause electric shock injury to maintainers, an isolating switch lead wire clamp is used for connecting an isolating switch and a lead, the outer diameter of a crimping lead wire clamp is larger than the diameter of the lead, as the lead on the outgoing side is mostly directly led to an out-station power transmission high tower, the horizontal angle of the lead is larger than 80 degrees, and meanwhile, in order to prevent misoperation, when the isolating switch is overhauled, the grounding disconnecting links of the isolating switch are mechanically locked with the isolating switch, the temporary ground wires can only be hung on two sides of the overhauling isolating switch, and the factors such as the size of a bayonet of the temporary ground wire are considered, the hanging point of the temporary ground wire is usually on the lead, the conductor end, the temporary ground wire is difficult to hang and needs to ascend and hang laterally, however, the temporary ground wire is heavy in weight and long in pull rod in order to guarantee the grounding performance and the distance safety of the electrified equipment, the adjacent electrified line is easy to be touched by mistake during ascending, and the potential safety hazard of switching operation of operation and maintenance personnel is large.
Disclosure of Invention
The invention aims to provide a crimping lead wire clamp of an isolating switch with a temporary grounding wire device and a use method thereof, when the isolating switch is maintained at 220kV or above, and the temporary grounding wire is hung on the temporary grounding wire device of the isolating switch, the temporary grounding wire is convenient to hang and is firmly hung, the potential safety hazards that the temporary grounding wire is not firmly hung and operation and maintenance personnel mistakenly touch electrified equipment and high throwing for the ascending operation of hanging the temporary grounding wire are avoided, and the problems in the background technology are solved.
The technical scheme of the invention is as follows:
an isolating switch crimping lead wire clamp with a temporary grounding wire device comprises an isolating switch main connecting plate, a lead crimping head A, a lead crimping head B, a lead crimping interface and the temporary grounding wire device, wherein the isolating switch main connecting plate is provided with a plurality of connecting plate screw holes, and the isolating switch main connecting plate is arranged on a disconnecting link wiring board of an isolating switch through the connecting plate screw holes; the top end of the main connecting plate of the isolating switch is provided with a lead wire pressing joint A and a lead wire pressing joint B, both the lead wire pressing joint A and the lead wire pressing joint B are provided with lead wire pressing interfaces, and two overhead lead wires are respectively pressed in the lead wire pressing interfaces of the lead wire pressing joint A and the lead wire pressing joint B; the side surface of the main connecting plate of the isolating switch is provided with a temporary grounding wire device which comprises a temporary grounding wire buckle A, a temporary grounding wire buckle B and a temporary grounding wire hanging rod, the temporary grounding wire hanging rod is a cylindrical rod, with ground parallel arrangement, earthing for work line buckle A and earthing for work line buckle B are the cylinder structure that is parallel to each other, upwards set up on columniform earthing for work line hangs the pole, earthing for work line buckle A sets up the one end of being close to lead wire crimping head B, earthing for work line buckle B sets up the one end of keeping away from lead wire crimping head B, earthing for work line buckle A, earthing for work line buckle B and earthing for work line hang the pole and constitute the ascending recess of opening together, the width of recess and earthing for work line hang the width phase-match of hook, earthing for work line hangs the hook and hangs in this recess, earthing for work line buckle A and earthing for work line buckle B of both sides hang the hook with earthing for work and block.
The temporary grounding wire suspension rod is connected with the main connecting plate of the isolating switch at the joint of the cylindrical rod and the plane plate, the joint is in smooth circular arc transition, circular arc bosses are formed on the front face and the rear face of the main connecting plate of the isolating switch, when the electrified operation is fully considered, the problem of arc discharge easily generated by right angles is solved, the temporary grounding wire suspension rod adopts a cylindrical component, and the contact surface adopts an arc design, so that the right-angle discharge is effectively eliminated.
The connection of earthing for work line buckle A and earthing for work line buckle B and earthing for work line hang the pole is connected between cylinder structure and the cylinder pole, and its junction is smooth circular arc transition, and the earthing for work line hangs the tip that pole, earthing for work line buckle A and earthing for work line buckle B and is smooth circular arc transition, effectively eliminates the right angle and discharges.
The temporary ground wire device is arranged at the lowest position of the overhead lead on the main connecting plate of the isolating switch, the suspension point of the temporary ground wire suspension hook is the lowest limit of the overhead lead, the suspension distance is shortened, the suspension requirement of personnel standing on the ground is completely met, and the personnel does not need to climb to the ground for suspension; the temporary grounding wire suspension rod is a cylindrical rod, the diameter of the temporary grounding wire suspension rod is matched with that of the overhead lead, the grounding diversion requirement is met, effective circular arcs or cylindrical components are adopted at all points where discharging is possibly generated, and the potential discharging hazard during operation is effectively eliminated.
The temporary ground wire hanging hook is connected with the temporary ground wire grounding terminal. The temporary ground wire hanging hook is arranged at the top of the temporary ground wire hanging rod.
The invention is of an integral forming structure, the main connecting plate of the isolating switch and the temporary grounding wire device are integrally formed, and no welding is used to avoid fracture.
The invention makes up the blank that the isolating switch has no special temporary ground wire suspension point.
The use method of the wire clamp for the compression joint lead of the isolating switch with the temporary grounding wire device comprises the following steps:
the method comprises the following steps that two overhead leads are respectively crimped in lead crimping ports of a lead crimping head A and a lead crimping head B, the lead crimping head A and the lead crimping head B are crimped by adopting a hydraulic device, the overhead leads are further fixed firmly, an isolating switch main connecting plate is installed on a disconnecting link wiring board of an isolating switch through a plurality of connecting plate screw holes formed in the isolating switch main connecting plate, a switching operator uses a temporary ground wire suspension rod to suspend a temporary ground wire suspension hook in a groove of a temporary ground wire device on the ground and is connected with the temporary ground wire suspension rod, the temporary ground wire suspension hook is suspended in the groove, and temporary ground wire buckles A and B on two sides clamp the temporary ground wire suspension hook; and connecting the temporary ground wire grounding terminal connected with the temporary ground wire hanging hook with the ground wire pile.
The invention has the beneficial effects that: when the isolating switch overhauls, hang the earthing for work line on the earthing for work line device, the earthing for work line hangs firmly, has avoided fortune dimension personnel to touch live-wire equipment for hanging the overhead work mistake of earthing for work line and has got rid of the potential safety hazard of height, has guaranteed fortune dimension personnel operation safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the present invention in use;
in the figure: the disconnecting switch comprises a main connecting plate 1 of the disconnecting switch, a lead crimping head A2, a lead crimping head B3, a lead crimping port 4, a temporary ground wire buckle A5, a temporary ground wire buckle B6, a temporary ground wire suspension rod 7, a lower arc 8, a first connecting plate screw hole 9, a second connecting plate screw hole 10, a third connecting plate screw hole 11, a fourth connecting plate screw hole 12, an upper arc 13, an arc boss 14, a temporary ground wire device 15, a disconnecting switch 16, an overhead lead 17, a disconnecting switch knife switch 18, a knife switch wiring board 19, a temporary ground wire suspension hook 20, a temporary ground wire suspension rod 21, a temporary ground wire grounding terminal 22 and a ground wire pile 23.
Detailed Description
The present invention will be further described by way of examples with reference to the accompanying drawings.
An isolating switch compression joint lead wire clamp with a temporary grounding wire device comprises an isolating switch main connecting plate 1, a lead compression joint A2, a lead compression joint B3, a lead compression joint port 4 and a temporary grounding wire device 15, wherein a plurality of connecting plate screw holes are formed in the isolating switch main connecting plate 1, and the isolating switch main connecting plate 1 is installed on a disconnecting link wiring plate 19 of an isolating switch 16 through the connecting plate screw holes; the top end of the main connecting plate 1 of the isolating switch is provided with a lead crimping head A2 and a lead crimping head B3, lead crimping ports 4 are respectively arranged on the lead crimping head A2 and the lead crimping head B3, and two overhead leads 17 are respectively crimped in the lead crimping ports 4 of the lead crimping head A2 and the lead crimping head B3; the side surface of the main connecting plate 1 of the isolating switch is provided with a temporary grounding wire device 15, the temporary grounding wire device 15 comprises a temporary grounding wire buckle A5, a temporary grounding wire buckle B6 and a temporary grounding wire hanging rod 7, the temporary grounding wire hanging rod 7 is a cylindrical rod, the temporary ground wire buckle A5 and the temporary ground wire buckle B6 are of mutually parallel cylindrical structures and are upwards arranged on the cylindrical temporary ground wire suspension rod 7, the temporary ground wire buckle A5 is arranged at one end close to the lead crimping head B3, the temporary ground wire buckle B6 is arranged at one end far away from the lead crimping head B3, the temporary ground wire buckle A5, the temporary ground wire buckle B6 and the temporary ground wire suspension rod 7 form a groove with an upward opening, the width of the groove is matched with that of the temporary ground wire suspension hook 20, the temporary ground wire suspension hook 20 is hung in the groove, and the temporary ground wire buckles A5 and B6 on two sides clamp the temporary ground wire suspension hook 20.
The temporary grounding wire suspension rod 7 is connected with the isolating switch main connecting plate 1 through a cylindrical rod, the connecting portion of the temporary grounding wire suspension rod 7 and the isolating switch main connecting plate 1 is in smooth circular arc transition, circular arc bosses 14 are formed on the front face and the rear face of the isolating switch main connecting plate 1, when the isolating switch main connecting plate is in live operation, the problem that arc discharge is easily generated at a right angle is fully considered, the temporary grounding wire suspension rod 7 adopts a cylindrical component, and the contact surface adopts an arc design, so that the right angle discharge is effectively eliminated.
The temporary grounding wire buckle A5, the temporary grounding wire buckle B6 and the temporary grounding wire suspension rod 7 are connected between a cylindrical structure and a cylindrical rod, the joints of the temporary grounding wire buckle A5 and the temporary grounding wire buckle B6 are smooth circular arc transitions, and the ends of the temporary grounding wire suspension rod 7, the temporary grounding wire buckle A5 and the temporary grounding wire buckle B6 are smooth circular arc transitions, so that right-angle discharge is effectively eliminated.
The temporary ground wire device 15 is arranged at the lowest position of the overhead lead 17 on the main connecting plate 1 of the isolating switch, the suspension point of the temporary ground wire suspension hook 20 is the lowest limit of the overhead lead 17, the suspension distance is shortened, the suspension requirement of personnel standing on the ground is completely met, and the personnel do not need to climb to the ground for suspension; the temporary grounding wire suspension rod 7 is a cylindrical rod, the diameter of the temporary grounding wire suspension rod 7 is matched with that of the overhead lead, the grounding diversion requirement is met, effective circular arcs or cylindrical components are adopted at all points where discharge is likely to occur, and the potential discharge hazard during operation is effectively eliminated.
The temporary ground suspension hook 20 is connected to a temporary ground terminal 22. The temporary ground wire hanging hook 20 is provided on top of the temporary ground wire hanging rod 21.
The invention is an integral forming structure, the main connecting plate 1 of the isolating switch and the temporary grounding wire device 15 are integrally formed, and no welding is carried out to avoid fracture.
The invention makes up the blank that the isolating switch has no special temporary ground wire suspension point.
The use method of the wire clamp for the compression joint lead of the isolating switch with the temporary grounding wire device comprises the following steps:
two overhead leads 17 are respectively crimped in lead crimping ports 4 of a lead crimping head A2 and a lead crimping head B3, a hydraulic device is adopted to crimp the lead crimping head A2 and the lead crimping head B3, the overhead leads 13 are further fixed firmly, a main connecting plate 1 of the isolating switch is installed on a disconnecting link wiring plate 19 of an isolating switch 16 through a plurality of connecting plate screw holes arranged on the main connecting plate 1 of the isolating switch, a switching operator uses a temporary ground wire suspension rod 21 to suspend a temporary ground wire suspension hook 20 in a groove of a temporary ground wire device 15 on the ground and is connected with a temporary ground wire suspension rod 7, the temporary ground wire suspension hook 20 is suspended in the groove, and temporary ground wire buckles A5 and B6 on two sides clamp the temporary ground wire suspension hook 20; a temporary ground terminal 22 to which the temporary ground suspension hook 20 is connected to the ground stub 23.
In the embodiment, four connecting plate screw holes are arranged on a main connecting plate 1 of the isolating switch, namely a first connecting plate screw hole 9, a second connecting plate screw hole 10, a third connecting plate screw hole 11 and a fourth connecting plate screw hole 12, and are matched with four screw holes on a disconnecting link wiring plate 19 of an isolating switch 16; the main connecting plate 1 of the isolating switch is arranged on a knife switch wiring board 19 of an isolating switch 16 through a first connecting plate screw hole 9, a second connecting plate screw hole 10, a third connecting plate screw hole 11 and a fourth connecting plate screw hole 12; the top end of the main connecting plate 1 of the isolating switch is provided with a lead crimping head A2 and a lead crimping head B3 which are U-shaped, two overhead leads 17 are respectively arranged in the lead crimping ports 4 of the lead crimping head A2 and the lead crimping head B3, and the leads are crimped in the lead crimping ports 4 of the lead crimping head A2 and the lead crimping head B3 by adopting a hydraulic device so as to be firmly fixed; a temporary grounding wire device 15 is arranged on the side surface of the main connecting plate 1 of the isolating switch, the upper surface and the lower surface of the joint of the temporary grounding wire device 15 and the main connecting plate 1 of the isolating switch are both arc-shaped, and are respectively an upper arc 13 and a lower arc 8, and arc-shaped bosses 14 are formed on the front side and the rear side; the temporary grounding wire suspension rod 7 is cylindrical, the diameter of the temporary grounding wire suspension rod 7 is matched with the diameter of a lead, the grounding diversion requirement is met, effective circular arcs or cylindrical components are adopted at all points where discharge is likely to occur, and the potential discharge hazard during operation is effectively eliminated.
The knife switch wiring board 19 is located at the tail end of the disconnecting switch knife switch 18.
When the three-phase isolating switch is used, the three-phase isolating switch is arranged on each phase, after a switching operator pulls the isolating switch disconnecting link 18 of the isolating switch 16 open, and verifies that no voltage exists in a circuit, the temporary ground wire grounding terminal 22 is directly connected with the ground wire pile 23, and the temporary ground wire suspension hook 20 is respectively suspended on the three temporary ground wire devices 15 of the three isolating switches.

Claims (6)

1. The utility model provides a take earthing for work device isolator crimping lead wire fastener which characterized in that: the disconnecting switch comprises an isolating switch main connecting plate (1), a lead crimping head A (2), a lead crimping head B (3), a lead crimping port (4) and a temporary grounding wire device (15), wherein a plurality of connecting plate screw holes are formed in the isolating switch main connecting plate (1), and the isolating switch main connecting plate (1) is installed on a disconnecting link wiring board (19) of an isolating switch (16) through the connecting plate screw holes; the top end of the main connecting plate (1) of the isolating switch is provided with a lead pressing joint A (2) and a lead pressing joint B (3), lead pressing interfaces (4) are respectively arranged on the lead pressing joint A (2) and the lead pressing joint B (3), and two overhead leads (17) are respectively pressed in the lead pressing interfaces (4) of the lead pressing joint A (2) and the lead pressing joint B (3); a temporary grounding wire device (15) is arranged on the side face of the main connecting plate (1) of the isolating switch, the temporary grounding wire device (15) comprises a temporary grounding wire buckle A (5), a temporary grounding wire buckle B (6) and a temporary grounding wire suspension rod (7), the temporary grounding wire suspension rod (7) is a cylindrical rod and is arranged in parallel with the ground, the temporary grounding wire buckle A (5) and the temporary grounding wire buckle B (6) are of mutually parallel cylindrical structures and are upwards arranged on the cylindrical temporary grounding wire suspension rod (7), the temporary grounding wire buckle A (5) is arranged at one end close to the lead wire crimping head B (3), the temporary grounding wire buckle B (6) is arranged at one end far away from the lead wire crimping head B (3), and the temporary grounding wire buckle A (5), the temporary grounding wire buckle B (6) and the temporary grounding wire suspension rod (7) form a groove with an upward opening together, the width of the groove is matched with that of the temporary ground wire hanging hook (20), the temporary ground wire hanging hook (20) is hung in the groove, and the temporary ground wire hanging hook (20) is clamped by the temporary ground wire buckles A (5) and the temporary ground wire buckles B (6) on the two sides.
2. The isolating switch crimping lead clamp with the temporary grounding wire device as claimed in claim 1, wherein: the temporary grounding wire suspension rod (7) is connected with the main isolating switch connecting plate (1) through a cylindrical rod and a plane plate, the connection positions are in smooth circular arc transition, and circular arc bosses (14) are formed on the front surface and the rear surface of the main isolating switch connecting plate (1).
3. The isolating switch crimping lead clamp with the temporary grounding wire device as claimed in claim 1 or 2, wherein: the temporary grounding wire buckle A (5), the temporary grounding wire buckle B (6) and the temporary grounding wire suspension rod (7) are connected between the cylindrical structure and the cylindrical rod, the connection part of the temporary grounding wire buckle A (5) and the temporary grounding wire buckle B (6) is smooth circular arc transition, and the end parts of the temporary grounding wire suspension rod (7), the temporary grounding wire buckle A (5) and the temporary grounding wire buckle B (6) are smooth circular arc transition.
4. The isolating switch crimping lead clamp with the temporary grounding wire device as claimed in claim 1 or 2, wherein: the temporary ground wire device (15) is arranged at the lowest position of the overhead lead (17) on the main connecting plate (1) of the isolating switch, and the suspension point of the temporary ground wire suspension hook (20) is the lowest limit of the overhead lead (17).
5. The isolating switch crimping lead clamp with the temporary grounding wire device as claimed in claim 1 or 2, wherein: the temporary ground wire hanging hook (20) is connected with the temporary ground wire grounding terminal (22), and the temporary ground wire hanging hook (20) is arranged at the top of the temporary ground wire hanging rod (21).
6. A method for using a crimping lead clamp of an isolating switch with a temporary grounding wire device, which adopts the clamp defined in any one of claims 1 to 5, and comprises the following steps:
two overhead leads (17) are respectively pressed in the lead pressing interfaces (4) of the lead pressing joint A (2) and the lead pressing joint B (3), a hydraulic device is adopted to press the lead pressing joint A (2) and the lead pressing joint B (3), further fixing the overhead lead (13) firmly, mounting the main connecting plate (1) of the isolating switch on a disconnecting link wiring board (19) of an isolating switch (16) through a plurality of connecting plate screw holes arranged on the main connecting plate (1) of the isolating switch, hanging a temporary ground wire hanging hook (20) in a groove of a temporary ground wire device (15) by a switching operator on the ground by using a temporary ground wire hanging rod (21), the temporary ground wire hanging hook (20) is hung in the groove, and the temporary ground wire buckles A (5) and B (6) on the two sides clamp the temporary ground wire hanging hook (20); a temporary ground wire grounding terminal (22) to which the temporary ground wire suspension hook (20) is connected to the ground wire pile (23).
CN202010846645.2A 2020-08-21 2020-08-21 Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof Active CN111968875B (en)

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CN202010846645.2A CN111968875B (en) 2020-08-21 2020-08-21 Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof

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Application Number Priority Date Filing Date Title
CN202010846645.2A CN111968875B (en) 2020-08-21 2020-08-21 Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof

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CN111968875B CN111968875B (en) 2022-09-30

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202423584U (en) * 2011-12-09 2012-09-05 福建省电力有限公司厦门电业局 Adaptive ground wire hooking device
CN107565232A (en) * 2017-08-30 2018-01-09 国网湖南省电力公司 A kind of electrical equipment temporary earthing device
JP2020022303A (en) * 2018-08-02 2020-02-06 中国電力株式会社 Ground short circuit device
CN212587725U (en) * 2020-08-21 2021-02-23 国网冀北电力有限公司唐山供电公司 Take earthing for work device isolator crimping lead wire fastener

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202423584U (en) * 2011-12-09 2012-09-05 福建省电力有限公司厦门电业局 Adaptive ground wire hooking device
CN107565232A (en) * 2017-08-30 2018-01-09 国网湖南省电力公司 A kind of electrical equipment temporary earthing device
JP2020022303A (en) * 2018-08-02 2020-02-06 中国電力株式会社 Ground short circuit device
CN212587725U (en) * 2020-08-21 2021-02-23 国网冀北电力有限公司唐山供电公司 Take earthing for work device isolator crimping lead wire fastener

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