CN212587725U - Take earthing for work device isolator crimping lead wire fastener - Google Patents
Take earthing for work device isolator crimping lead wire fastener Download PDFInfo
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- CN212587725U CN212587725U CN202021757556.2U CN202021757556U CN212587725U CN 212587725 U CN212587725 U CN 212587725U CN 202021757556 U CN202021757556 U CN 202021757556U CN 212587725 U CN212587725 U CN 212587725U
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- grounding wire
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- temporary grounding
- connecting plate
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- 238000002788 crimping Methods 0.000 title claims abstract description 41
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 239000000725 suspension Substances 0.000 claims description 51
- 230000007704 transition Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The utility model relates to a take earthing for work device isolator crimping lead wire fastener belongs to isolator maintenance equipment technical field. 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 utility model has the advantages 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
Technical Field
The utility model relates to a take earthing for work device isolator crimping lead wire fastener is applicable to 220kV and above isolator and overhauls, belongs to isolator and overhauls equipment technical field.
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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take earthing for work device isolator crimping lead wire fastener, when 220kV reached isolator and overhauld, when earthing for work device hangs earthing for work device at isolator, the earthing for work device is convenient for hang and hangs firmly, avoids the earthing for work device of maintenance for hanging earthing for work device of maintenance for work device of hanging earthing for work device for.
The technical scheme of the utility model is that:
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 utility model discloses an integrated into one piece structure, isolator main connecting plate and earthing for work device integrated into one piece do not have the welding and avoid the fracture.
The utility model discloses it does not have the blank that special interim ground wire hung the point to have compensatied isolator.
In the using process, two overhead leads are respectively pressed in lead pressing ports of a lead pressing head A and a lead pressing head B, a hydraulic device is adopted to press the lead pressing head A and the lead pressing head B, the overhead leads are further fixed firmly, an isolating switch main connecting plate is arranged on a disconnecting link wiring board of an isolating switch through a plurality of connecting plate screw holes arranged on 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 suspension hooks are clamped by temporary ground wire buckles A and B on two sides; and connecting the temporary ground wire grounding terminal connected with the temporary ground wire hanging hook with the ground wire pile.
The utility model has the advantages 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 usage state of the present invention;
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 with reference to the accompanying drawings by way of examples.
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 utility model discloses an integrated into one piece structure, isolator main connecting plate 1 and earthing for work device 15 integrated into one piece do not have the welding to avoid the fracture.
The utility model discloses it does not have the blank that special interim ground wire hung the point to have compensatied isolator.
In the using process, two overhead leads 17 are respectively pressed in the lead pressing ports 4 of a lead pressing joint A2 and a lead pressing joint B3, a hydraulic device is adopted to press and joint the lead pressing joint A2 and the lead pressing joint B3, so that the overhead leads 13 are firmly fixed, the main connecting plate 1 of the isolating switch is installed 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, a back brake 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.
During the use, three isolator's every is gone up and is set up the utility model discloses, switching operating personnel pulls open the back with isolator switch 18 of isolator 16, verifies that the circuit does not have the voltage after, directly is connected interim ground wire ground terminal 22 with ground wire stake 23, hangs interim ground wire suspension hook 20 respectively on three earthing for temporary connection device 15 of three isolator, easy operation, it is convenient and firm to hang, can not bump because of the mistake and cause interim ground wire to drop wounded or make isolator lose the maintenance state to remedy isolator does not have special earthing for temporary connection and hangs the problem of some.
Claims (3)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021757556.2U CN212587725U (en) | 2020-08-21 | 2020-08-21 | Take earthing for work device isolator crimping lead wire fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021757556.2U CN212587725U (en) | 2020-08-21 | 2020-08-21 | Take earthing for work device isolator crimping lead wire fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212587725U true CN212587725U (en) | 2021-02-23 |
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ID=74652788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021757556.2U Active CN212587725U (en) | 2020-08-21 | 2020-08-21 | Take earthing for work device isolator crimping lead wire fastener |
Country Status (1)
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| CN (1) | CN212587725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968875A (en) * | 2020-08-21 | 2020-11-20 | 国网冀北电力有限公司唐山供电公司 | Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof |
-
2020
- 2020-08-21 CN CN202021757556.2U patent/CN212587725U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968875A (en) * | 2020-08-21 | 2020-11-20 | 国网冀北电力有限公司唐山供电公司 | Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof |
| CN111968875B (en) * | 2020-08-21 | 2022-09-30 | 国网冀北电力有限公司唐山供电公司 | Isolating switch compression joint lead wire clamp with temporary grounding wire device and using method thereof |
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