CN220121734U - High-voltage isolating switch - Google Patents
High-voltage isolating switch Download PDFInfo
- Publication number
- CN220121734U CN220121734U CN202321446363.9U CN202321446363U CN220121734U CN 220121734 U CN220121734 U CN 220121734U CN 202321446363 U CN202321446363 U CN 202321446363U CN 220121734 U CN220121734 U CN 220121734U
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- conductive beam
- mounting frame
- contact
- sliding
- insulator
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- 239000012212 insulator Substances 0.000 claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000010891 electric arc Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a high-voltage isolating switch, which relates to the field of high-voltage isolating switches and comprises a mounting frame, wherein two insulators are mounted at the bottom end inside the mounting frame, contacts are fixedly arranged at the top ends of the two insulators, a support is arranged outside the mounting frame, a conductive beam is arranged inside the mounting frame, sliding seats are fixedly arranged at the two ends of the conductive beam, and two sliding rods are arranged inside the mounting frame. According to the utility model, the mounting frame is rotated to drive the conductive beam and the insulator to rotate, so that the positions of the conductive beam and the insulator are exchanged, the conductive beam can downwards move under the action of gravity and is separated from or contacted with the contact after the mounting frame rotates, so that the moving speed of the conductive beam is faster when the conductive beam is separated from or contacted with the contact, the duration time of an electric arc is shorter, and the adverse effect of the electric arc on the conductive beam and the contact is smaller.
Description
Technical Field
The utility model relates to the field of high-voltage isolating switches, in particular to a high-voltage isolating switch.
Background
The high-voltage isolating switch is an important component in a power system, is commonly used in power plants and substations, is used for switching on, switching off or converting a circuit under the condition of voltage and load, plays a role in isolating voltage, and ensures the safety of maintenance work.
According to different use environments, the high-voltage isolating switch can be divided into an indoor type and an outdoor type, and the main components of the high-voltage isolating switch comprise a conductive part, an insulating part, a transmission part and the like, wherein the conductive part comprises a moving contact and a fixed contact.
In the use, very easily produce electric arc between moving contact and the stationary contact, electric arc can produce harmful effects to the contact, but the high voltage isolator among the prior art is like a high voltage isolator of publication number CN218274333U, and in the switch process, moving contact and stationary contact remove too slow, lead to electric arc long-lived time, and the influence on the contact is also bigger.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the high-voltage isolating switch, and the mounting frame is rotated to drive the conductive beam and the insulator to rotate, so that the positions of the conductive beam and the insulator are exchanged, the conductive beam can downwards move under the action of gravity and is separated from or contacted with the contact after the mounting frame rotates, and the moving speed of the conductive beam is faster when the conductive beam is separated from or contacted with the contact, thereby effectively solving the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the high-voltage isolating switch comprises a mounting frame, wherein two insulators are mounted at the bottom end inside the mounting frame, contacts are fixedly arranged at the top ends of the two insulators, a support is arranged on the outer side of the mounting frame, and two sides of the mounting frame are movably connected with the inner wall of the support through bearings;
the installation frame is internally provided with a conductive beam, two contacts are in contact with the conductive beam, two ends of the conductive beam are fixedly provided with sliding seats, two sliding rods are arranged in the installation frame, two ends of each sliding rod are fixedly connected with the inner wall of the installation frame, and the two sliding seats are respectively sleeved on the two sliding rods;
the insulating sleeve is sleeved at the outer end of the conductive beam and is positioned between the two insulators, and locking mechanisms capable of fixing the positions of the insulating sleeve and the conductive beam are arranged at the top end and the bottom end of the insulating sleeve.
Further, one side of the bracket is provided with two belt pulleys, the shaft of one belt pulley penetrates through the bracket and is fixedly connected with the mounting frame, and the shaft of the belt pulley is positioned on the rotating axis of the mounting frame;
the other belt pulley is located the support bottom, the cover is equipped with the belt on the belt pulley, and two belt pulleys are connected through the belt, installs the handle through the bearing on the belt pulley of bottom.
Further, the bottom end of the contact is embedded into the insulator and is fixedly provided with a wire, and one end of the wire extends to the outside of the insulator;
the contact top is provided with a contact groove, and when the contact is contacted with the conductive beam, the conductive Liang Karu contacts the groove.
Further, two limiting sheets are fixedly arranged at the outer end of the sliding rod, the sliding seat is located between the two limiting sheets on the sliding rod, and a buffer cushion is fixedly arranged on one side, facing the sliding seat, of the limiting sheets.
Further, the front side and the rear side of the insulating sleeve are fixedly provided with weights, and resistance in the sliding process of the conductive beam is overcome through the weight of the weights.
Further, the locking mechanism comprises a connecting rod fixedly arranged on the insulating sleeve, and the length of the connecting rod at one side of the insulator is longer than that of the other connecting rod;
the fixed sleeve that is equipped with of connecting rod one end, the fixed electro-magnet that is equipped with on the sleeve inner wall, the inside top of installing frame and inside bottom are all fixed and are equipped with the iron plate, adsorb the iron plate through the magnetic force of electro-magnet.
(III) beneficial effects
Compared with the prior art, the utility model provides the high-voltage isolating switch, which has the following beneficial effects:
through rotating the mounting frame, the conductive beam and the insulator are driven to rotate, so that the positions of the conductive beam and the insulator are exchanged, the conductive beam can downwards move under the action of gravity and is separated from or contacted with the contact after the mounting frame rotates, the moving speed of the conductive beam is faster when the conductive beam is separated from or contacted with the contact, the duration time of an electric arc is shorter, and the adverse effect of the electric arc on the conductive beam and the contact is smaller.
Drawings
FIG. 1 is a perspective view of a high voltage isolator switch of the present utility model;
FIG. 2 is a perspective view of a high voltage isolator switch according to the present utility model;
FIG. 3 is a perspective view of a high voltage isolator switch according to the present utility model;
FIG. 4 is an enlarged view of portion A of FIG. 1 of a high voltage isolator according to the present utility model;
fig. 5 is a perspective cross-sectional view of an insulator of a high voltage isolator according to the present utility model;
fig. 6 is a perspective cross-sectional view of a locking mechanism of a high voltage isolator of the present utility model.
In the figure: 1. a mounting frame; 2. an insulating sleeve; 3. a conductive beam; 4. a belt; 5. a belt pulley; 6. a locking mechanism; 601. a sleeve; 602. an electromagnet; 603. iron blocks; 604. a connecting rod; 7. a bracket; 8. an insulator; 9. a weight block; 10. a slide bar; 11. a wire; 12. a contact; 13. a contact groove; 14. a slide; 15. a limiting piece; 16. and a cushion pad.
Detailed Description
In order that the manner in which the above-recited features, advantages, objects and advantages of the present utility model are obtained, a more particular description of the utility model briefly summarized above may be had by reference to the embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to overcome the defects in the prior art, as shown in fig. 1-6, the utility model provides a high-voltage isolating switch, which comprises a mounting frame 1, wherein two insulators 8 are arranged at the bottom end inside the mounting frame 1, contacts 12 are fixedly arranged at the top ends of the two insulators 8, a support 7 is arranged at the outer side of the mounting frame 1, and two sides of the mounting frame 1 are movably connected with the inner wall of the support 7 through bearings;
the installation frame 1 is internally provided with a conductive beam 3, two contacts 12 are contacted with the conductive beam 3, two ends of the conductive beam 3 are fixedly provided with sliding seats 14, the installation frame 1 is internally provided with two sliding rods 10, two ends of each sliding rod 10 are fixedly connected with the inner wall of the installation frame 1, and the two sliding seats 14 are respectively sleeved on the two sliding rods 10;
the outer end cover of the conductive beam 3 is provided with an insulating sleeve 2, the insulating sleeve 2 is positioned between two insulators 8, and the top end and the bottom end of the insulating sleeve 2 are respectively provided with a locking mechanism 6 capable of fixing the positions of the insulating sleeve 2 and the conductive beam 3.
In the state of closing, the conductive beam 3 contacts with two contacts 12 simultaneously to play a role in connection, current is conducted between the two contacts 12, at this time, the two insulators 8 are located below the conductive beam 3, when the connection between the two contacts 12 needs to be disconnected, the position of the conductive beam 3 is locked firstly through the corresponding locking mechanism 6, then the mounting frame 1 is rotated through the bearing, the mounting frame 1 is rotated for one hundred eighty degrees, the insulators 8 originally located at the bottom of the conductive beam 3 are rotated to the top of the conductive beam 3, after the rotation is completed, the locking of the conductive beam 3 is released through the locking mechanism 6, the conductive beam 3 naturally falls under the action of gravity, and the sliding seat 14 slides along the sliding rod 10, so that the connection between the conductive beam 3 and the two contacts 12 is disconnected.
When the two contacts 12 need to be reconnected, the position of the conductive beam 3 is locked again by the other locking mechanism 6, and then the mounting frame 1 is reversely rotated for one hundred eighty degrees, so that the insulator 8 is returned to the original position again, the locking of the conductive beam 3 is released, and the conductive beam 3 moves downwards again under the action of gravity until being contacted with the contacts 12 again.
By opening and closing the switch in this way, the movement speed of the conductive beam 3 is faster when the conductive beam is separated from or contacted with the contact 12, and the duration of the arc is shorter, so that the adverse effect of the arc on the conductive beam 3 and the contact 12 is smaller.
In order to more conveniently adjust the rotation of the mounting frame 1, as shown in fig. 1, 2 and 3, one side of the bracket 7 is provided with two belt pulleys 5, wherein the shaft of one belt pulley 5 penetrates through the bracket 7 and is fixedly connected with the mounting frame 1, and the shaft of the belt pulley 5 is positioned on the rotating axis of the mounting frame 1;
the other belt pulley 5 is located the support 7 bottom, the cover is equipped with belt 4 on the belt pulley 5, and two belt pulleys 5 are connected through belt 4, installs the handle through the bearing on the belt pulley 5 of bottom.
The belt pulley 5 at top is installed on support 7, and the belt pulley 5 at bottom is installed in the suitable position of support 7 bottom, and through the rotation of the belt pulley 5 at handle drive bottom, and then the belt pulley 5 at top is rotated through belt 4 drive, and the belt pulley 5 at top drives the rotation of installing frame 1 again to this manual rotation of adjusting installing frame 1.
In order to make the conductive beam 3 fully contact with the contact 12, as shown in fig. 1, 4 and 5, the bottom end of the contact 12 is embedded into the insulator 8 and fixedly provided with a wire 11, and one end of the wire 11 extends to the outside of the insulator 8;
the top end of the contact 12 is provided with a contact groove 13, and when the contact 12 is contacted with the conductive beam 3, the conductive beam 3 is clamped into the contact groove 13.
The outer end of the sliding rod 10 is fixedly provided with two limiting sheets 15, the sliding seat 14 is positioned between the two limiting sheets 15 on the sliding rod 10, and one side of the limiting sheet 15 facing the sliding seat 14 is fixedly provided with a buffer cushion 16.
The front side and the rear side of the insulating sleeve 2 are fixedly provided with weights 9, and the resistance in the sliding process of the conductive beam 3 is overcome through the weight of the weights 9.
When the conductive beam 3 contacts with the contact 12, the conductive beam 3 is clamped into the contact groove 13 at the top end of the contact 12, so that the conductive beam 3 contacts with the contact 12 more fully, the contact area is larger, in addition, the limit pieces 15 are fixed at the outer end of the sliding rod 10, the sliding seat 14 slides between the two limit pieces 15, so that the limit pieces 15 limit the moving range of the sliding seat 14 and the conductive beam 3, the sliding seat 14 stops moving when moving to the limit pieces 15 and contacts with the buffer cushion 16, and the soft buffer cushion 16 is utilized to buffer the movement of the sliding seat 14, so that the sliding seat 14 and the limit pieces 15 are prevented from being damaged due to collision.
In order to fix the position of the conductive beam 3, as shown in fig. 1, 2 and 6, the locking mechanism 6 includes a connecting rod 604 fixedly arranged on the insulating sleeve 2, and the length of the connecting rod 604 on one side of the insulator 8 is greater than that of the other connecting rod 604;
the fixed sleeve 601 that is equipped with of connecting rod 604 one end, the fixed electro-magnet 602 that is equipped with on the sleeve 601 inner wall, the inside top of installing frame 1 and inside bottom are all fixed and are equipped with iron plate 603, adsorb iron plate 603 through the magnetic force of electro-magnet 602.
Two locking mechanical systems 6 are used for fixing the position of the conductive beam 3 before opening and closing respectively, when fixing, one sleeve 601 covers the outer end of a corresponding iron block 603, the electromagnet 602 is electrified to generate magnetic force, the electromagnet 602 is attracted by the magnetic force, then the sleeve 601 and the connecting rod 604 are fixed, the conductive beam 3 is also fixed, the conductive beam 3 is fixed under the action of the locking mechanical system 6 in the rotating process of the mounting frame 1 until the mounting frame 1 is rotated, the electromagnet 602 is powered off again, the locking of the conductive beam 3 is released, so that the conductive beam 3 moves after the rotation of the mounting frame 1 is regulated, the conductive beam 3 moves vertically downwards, and the moving speed is faster.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (1)
1. The utility model provides a high voltage isolator, includes installing frame (1), two insulators (8) are installed to the inside bottom of installing frame (1), and contact (12), its characterized in that are all fixed to two insulator (8) tops: a bracket (7) is arranged on the outer side of the mounting frame (1), and both sides of the mounting frame (1) are movably connected with the inner wall of the bracket (7) through bearings;
the novel electric contact structure is characterized in that a conductive beam (3) is arranged inside the mounting frame (1), two contacts (12) are in contact with the conductive beam (3), sliding seats (14) are fixedly arranged at two ends of the conductive beam (3), two sliding rods (10) are arranged inside the mounting frame (1), two ends of each sliding rod (10) are fixedly connected with the inner wall of the mounting frame (1), and the two sliding seats (14) are respectively sleeved on the two sliding rods (10);
the outer end of the conductive beam (3) is sleeved with an insulating sleeve (2), the insulating sleeve (2) is positioned between two insulators (8), and the top end and the bottom end of the insulating sleeve (2) are respectively provided with a locking mechanism (6) capable of fixing the positions of the insulating sleeve (2) and the conductive beam (3);
two belt pulleys (5) are arranged on one side of the bracket (7), the shaft of one belt pulley (5) penetrates through the bracket (7) and is fixedly connected with the mounting frame (1), and the shaft of the belt pulley (5) is positioned on the rotating axis of the mounting frame (1);
the other belt pulley (5) is positioned at the bottom of the bracket (7), the belt pulley (5) is sleeved with a belt (4), the two belt pulleys (5) are connected through the belt (4), and the belt pulley (5) at the bottom is provided with a handle through a bearing;
the bottom end of the contact (12) is embedded into the insulator (8) and is fixedly provided with a wire (11), and one end of the wire (11) extends to the outside of the insulator (8);
a contact groove (13) is formed in the top end of the contact (12), and when the contact (12) is in contact with the conductive beam (3), the conductive beam (3) is clamped into the contact groove (13);
two limiting sheets (15) are fixedly arranged at the outer end of the sliding rod (10), the sliding seat (14) is positioned between the two limiting sheets (15) on the sliding rod (10), and a buffer cushion (16) is fixedly arranged on one side, facing the sliding seat (14), of the limiting sheets (15);
the front side and the rear side of the insulating sleeve (2) are fixedly provided with weights (9);
the locking mechanism (6) comprises a connecting rod (604) fixedly arranged on the insulating sleeve (2), and the length of the connecting rod (604) at one side of the insulator (8) is longer than that of the other connecting rod (604);
the connecting rod (604) one end is fixed and is equipped with sleeve (601), fixed electro-magnet (602) that are equipped with on sleeve (601) inner wall, inside top and inside bottom of installing frame (1) are all fixed and are equipped with iron plate (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321446363.9U CN220121734U (en) | 2023-06-08 | 2023-06-08 | High-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321446363.9U CN220121734U (en) | 2023-06-08 | 2023-06-08 | High-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220121734U true CN220121734U (en) | 2023-12-01 |
Family
ID=88893127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321446363.9U Active CN220121734U (en) | 2023-06-08 | 2023-06-08 | High-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220121734U (en) |
-
2023
- 2023-06-08 CN CN202321446363.9U patent/CN220121734U/en active Active
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