CN213781911U - High-voltage isolating switch - Google Patents
High-voltage isolating switch Download PDFInfo
- Publication number
- CN213781911U CN213781911U CN202022542276.6U CN202022542276U CN213781911U CN 213781911 U CN213781911 U CN 213781911U CN 202022542276 U CN202022542276 U CN 202022542276U CN 213781911 U CN213781911 U CN 213781911U
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- Prior art keywords
- tool bit
- power
- power receiving
- push rod
- holder
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- 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.)
- Expired - Fee Related
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- 239000012212 insulator Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000003068 static effect Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of power equipment, and relates to a high-voltage isolating switch, which comprises an upper electric tool bit, a power receiving tool bit and a fixed tool holder, wherein the upper electric tool bit and the power receiving tool bit are respectively positioned at two ends of the fixed tool holder; the switching control shaft drives the upper electric tool bit and the power receiving tool bit to be switched on and off respectively on the fixed tool holder when being tightly connected and rotated, and a grounding tool holder is arranged on a switching-off path of the power receiving tool bit to release induced current on the power receiving side after switching-off; the utility model discloses a two-way sword head that moves, two-way sword head that moves closes simultaneously and middle quiet tool bit closes the switch-on when closing, and two-way tool bit is the disconnection along separate routes simultaneously during separate routes, and receives the side tool bit and close with the ground connection blade holder after separate routes, reaches the purpose of release induction-current for maintainer no longer receives the threat and the puzzlement of induction-current when the maintenance is overhauld in the floodgate that opens, makes maintenance work safe and reliable more, has improved maintainer's work efficiency.
Description
Technical Field
The utility model belongs to the technical field of power equipment, a high voltage isolator is related to.
Background
The high-voltage isolating switch is widely applied to various power equipment and power cabinets, and mainly depends on manual or electric control when controlling the switching-on and switching-off actions of the high-voltage isolating switch; the contact and separation of the switch contacts of the movable knife head and the static knife head of the conductive knife switch on the high-voltage isolating switch are realized. At present, most manufacturers use the method that power is supplied and cut off through powering on the movable cutter head, powering on the static cutter head and combining the movable cutter head and the static cutter head. However, when equipment on the power receiving side in the power cabinet is maintained, after the movable tool bit is disconnected, an induced current is generated on the stationary tool bit side, which often brings great inconvenience and even danger to maintenance personnel. How to eliminate the induced current of the power receiving side after the power-on side is disconnected is always the safety trouble of the power cabinet maintainer.
Disclosure of Invention
The utility model discloses the technical thinking who takes is: the bidirectional moving cutter head is adopted, the bidirectional moving cutter head is simultaneously connected with the middle static cutter head in a combining way, the bidirectional cutter head is simultaneously disconnected in a shunting way, and the power receiving side cutter head is combined with the grounding cutter holder after the shunting way, so that the purpose of releasing induction current is achieved. The utility model adopts the technical proposal that: a high-voltage isolating switch comprises an upper electric tool bit 1, a power receiving tool bit 2 and a fixed tool holder 3, wherein the upper electric tool bit 1 is rotatably connected with an upper electric tool holder 4, the power receiving tool bit 2 is rotatably connected with a power receiving tool holder 5, the upper electric tool holder 4 and the power receiving tool holder 5 are in insulated connection with a cabinet 7 through an insulator 6, and the upper electric tool bit 1 and the power receiving tool bit 2 are respectively positioned at two ends of the fixed tool holder 3; the utility model is also provided with an opening and closing control shaft 8, the opening and closing control shaft 8 is fixedly connected with a rotating rod 9 which rotates coaxially with the opening and closing control shaft 8, one end of the rotating rod 9, which is far away from the opening and closing control shaft 8, is rotatably connected with an upper electric push rod 10 and a power receiving push rod 11, one end of the upper electric push rod 10, which is far away from the rotating rod 9, is rotatably connected with an upper electric tool bit 1, and one end of the power receiving push rod 11, which is far away from the rotating rod 9, is rotatably connected with a power receiving tool bit 2; the middle parts of the power-on push rod 10 and the power-receiving push rod 11 along the axial direction are both connected with two ends of an insulator 6 insulation push rod; when the opening-closing control shaft 8 rotates, the upper electric push rod 10 and the power receiving push rod 11 are driven to respectively pull the upper electric tool bit 1 and the power receiving tool bit 2 to rotate and to be separated from and combined with the fixed tool holder 3; the isolating switch is further provided with a grounding tool apron 12, the grounding tool apron 12 is located on an arc-shaped path of the rotation of the powered tool bit 2, and the grounding tool apron 12 and the fixed tool apron 3 are respectively located on two sides of the rotation direction of the powered tool bit 2 and cannot be in contact with the powered tool bit 2 simultaneously.
Preferably, the upper electric tool bit 1 and the upper electric tool holder 4 and the power receiving tool bit 2 and the power receiving tool holder 5 are connected by bolts in a rotating manner.
Preferably, the rotation connection mode between the power-on push rod 10 and the power-on tool bit 1 and between the power-receiving push rod 11 and the power-receiving tool bit 2 is pin connection.
Preferably, the pin shaft connection is clearance fit.
The utility model has the advantages that:
the utility model discloses an adopt last electric tool bit, the mode that receives the electric tool bit and fold to middle stationary knife seat has replaced traditional one and has moved the mode that a first stationary knife head folds simultaneously, and set up the ground connection blade holder that last electric tool bit can not contact with the stationary knife seat simultaneously on last electric tool bit break-off route, make the induced-current release that receives the electric tool bit can in time be the side of receiving the electricity after the open circuit to arrange to ground connection, make maintainer no longer receive induced-current threaten and puzzlement when the break-off overhauls and maintains, make maintenance work safe and reliable more, maintenance personal's work efficiency has been improved.
Drawings
FIG. 1 is a closing front view of a high voltage isolator;
FIG. 2 is a front view of the opening;
FIG. 3 is a top view;
FIG. 4 is a partial view of FIG. 1;
fig. 5 is a partially enlarged view of the opening/closing manipulation shaft of fig. 1.
In the figure: 1. electrifying the cutter head; 2. a power receiving tool bit; 3. a fixed cutter seat; 4. electrifying a tool apron; 5. a power receiving tool apron; 6. an insulator; 7. a cabinet; 8. an opening and closing control shaft; 9. a rotating rod; 10. electrifying the push rod; 11. a power receiving push rod; 12. and (5) grounding the tool apron.
Detailed Description
The related art in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is to be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, a high voltage isolation switch includes an upper electric tool bit 1, a power receiving tool bit 2, and a fixed tool holder 3, wherein the upper electric tool bit 1 is rotatably connected to an upper electric tool holder 4, the power receiving tool bit 2 is rotatably connected to a power receiving tool holder 5, the upper electric tool holder 4 and the power receiving tool holder 5 are in insulated connection with a cabinet 7 through an insulator 6, and the upper electric tool bit 1 and the power receiving tool bit 2 are respectively located at two ends of the fixed tool holder 3; the isolating switch is also provided with an opening and closing control shaft 8, the opening and closing control shaft 8 is fixedly connected with a rotating rod 9 which rotates coaxially with the opening and closing control shaft 8, one end, far away from the opening and closing control shaft 8, of the rotating rod 9 is rotatably connected with an upper power-on push rod 10 and a power-receiving push rod 11, one end, far away from the rotating rod 9, of the upper power-on push rod 10 is rotatably connected with an upper power-on tool bit 1, and one end, far away from the rotating rod 9, of the power-receiving push rod 11 is rotatably connected with a power-receiving tool bit 2; the middle parts of the power-on push rod 10 and the power-receiving push rod 11 along the axial direction are both connected with two ends of an insulator 6 insulation push rod; when the opening-closing control shaft 8 rotates, the upper electric push rod 10 and the power receiving push rod 11 are driven to respectively pull the upper electric tool bit 1 and the power receiving tool bit 2 to rotate and to be separated from and combined with the fixed tool holder 3; the isolating switch is further provided with a grounding tool apron 12, the grounding tool apron 12 is located on an arc-shaped path of the rotation of the powered tool bit 2, and the grounding tool apron 12 and the fixed tool apron 3 are respectively located on two sides of the rotation direction of the powered tool bit 2 and cannot be in contact with the powered tool bit 2 simultaneously.
Further, the rotation connection mode between the upper electric tool bit 1 and the upper electric tool apron 4 and between the power receiving tool bit 2 and the power receiving tool apron 5 is bolt connection.
Further, the rotation connection mode between the power-on push rod 10 and the power-on tool bit 1 and between the power-receiving push rod 11 and the power-receiving tool bit 2 is pin connection.
Furthermore, the pin shaft connection is in clearance fit.
Examples
When the utility model is used, the power supply side is electrically connected to the power-on tool apron, and the power receiving side is electrically connected to the power-receiving tool apron; when the switch needs to be switched on, the switch-on and switch-off handle is pushed forwards, the switch-on and switch-off handle drives the switch-on operating shaft to rotate, the switch-on operating shaft drives the power-on push rod and the power-receiving push rod to simultaneously move to one side of the switch-on and switch-off operating shaft to drive the power-on tool bit, the power-receiving tool bit and the fixed tool holder to be switched on, and current passes through the power-on tool bit, the fixed tool holder and the power-on tool holder from the power-on tool holder in sequence,
The power receiving tool bit reaches the power receiving tool apron and then is conveyed to the power receiving side, and closing is completed; when the switching-off is needed, the switching-on and switching-off handle is reversely pushed, the switching-on and switching-off handle drives the switching-on and switching-off control shaft to reversely rotate, the switching-on and switching-off control shaft drives the power-on push rod and the power-receiving push rod to simultaneously move to one side of the switching-on and switching-off control shaft, the power-on and power-receiving tool bit is pushed to be switched off, the power-receiving tool bit and the power-receiving tool bit are disconnected, current cannot be continuously conveyed to the power-receiving tool bit, at the moment, the power-receiving tool bit continuously rotates after being switched off with the power-receiving tool bit and contacts the grounding tool bit, all induced current electrically detected is released to the grounding tool bit, the grounding tool bit is connected with the grounding bar, all induced current is released to the ground, and the switching-off is completed.
The electrified detection after the brake separation is finished has no induced current, and a safe and reliable maintenance operation environment is provided for maintenance personnel.
To sum up, the utility model provides a high-voltage isolating switch adopts two-way moving tool bit, and two-way moving tool bit closes the switch-on with middle quiet tool bit simultaneously when closing, and two-way tool bit is shut off simultaneously when shunting, and receives the current side tool bit and closes with the ground connection blade holder after shunting, reaches the purpose of release induction-current, provides a safe and reliable's maintenance operation environment for electric power rack maintainer for the maintenance operation is safer, has improved work efficiency, consequently the utility model discloses possess extensive application prospect.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (4)
1. A high-voltage isolating switch is characterized by comprising an upper electric tool bit (1), a power receiving tool bit (2) and a fixed tool holder (3), wherein the upper electric tool bit (1) is rotatably connected with an upper electric tool holder (4), the power receiving tool bit (2) is rotatably connected with a power receiving tool holder (5), the upper electric tool holder (4) and the power receiving tool holder (5) are in insulated connection with a cabinet (7) through insulators (6), and the upper electric tool bit (1) and the power receiving tool bit (2) are respectively positioned at two ends of the fixed tool holder (3); the isolating switch is further provided with an opening and closing control shaft (8), the opening and closing control shaft (8) is fixedly connected with a rotating rod (9) which rotates coaxially with the opening and closing control shaft (8), one end, far away from the opening and closing control shaft (8), of the rotating rod (9) is rotatably connected with an electrifying push rod (10) and a power receiving push rod (11), one end, far away from the rotating rod (9), of the electrifying push rod (10) is rotatably connected with an electrifying tool bit (1), and one end, far away from the rotating rod (9), of the power receiving push rod (11) is rotatably connected with a power receiving tool bit (2); the middle parts of the power-on push rod (10) and the power-receiving push rod (11) along the axial direction are both connected with two ends of an insulating push rod of the insulator (6);
when the opening and closing control shaft (8) rotates, the power-on push rod (10) and the power-receiving push rod (11) are driven to respectively pull the power-on tool bit (1) and the power-receiving tool bit (2) to rotate and are separated from and combined with the fixed tool apron (3);
isolator still is equipped with ground connection blade holder (12), ground connection blade holder (12) are located and receive electric tool bit (2) pivoted arc route, ground connection blade holder (12), decide blade holder (3) are located respectively and receive electric tool bit (2) rotation direction's both sides and can not contact with electric tool bit (2) simultaneously.
2. The high-voltage isolating switch according to claim 1, wherein the rotary connection between the upper electric tool bit (1) and the upper electric tool holder (4) and between the power receiving tool bit (2) and the power receiving tool holder (5) is a bolt connection.
3. The high-voltage isolating switch according to claim 1, wherein the rotary connection between the power-on push rod (10) and the power-on tool bit (1) and between the power-receiving push rod (11) and the power-receiving tool bit (2) is a pin connection.
4. A high voltage isolator according to claim 3, wherein said pin connection is a clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022542276.6U CN213781911U (en) | 2020-11-06 | 2020-11-06 | High-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022542276.6U CN213781911U (en) | 2020-11-06 | 2020-11-06 | High-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213781911U true CN213781911U (en) | 2021-07-23 |
Family
ID=76914193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022542276.6U Expired - Fee Related CN213781911U (en) | 2020-11-06 | 2020-11-06 | High-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213781911U (en) |
-
2020
- 2020-11-06 CN CN202022542276.6U patent/CN213781911U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |