CN220474531U - A high-voltage switch protection structure - Google Patents

Abstract

The utility model discloses a high-voltage switch protection structure, which comprises a frame, a high-voltage switch body and a knife switch, wherein an installation shaft is rotatably installed in the middle of the inner side of the frame, an opening and closing assembly is installed on the frame through the installation shaft, and a driving assembly is installed on the outer side of the frame through the installation shaft, so that the high-voltage switch protection structure has the beneficial effects that: according to the utility model, when maintenance or overhaul work is carried out, the high-voltage switch body is quickly changed from a closing state to a breaking state to break the power, meanwhile, workers are not required to climb to a high place to break the power, the danger of breaking and closing the power is reduced, meanwhile, through the arranged insulating cover, the inside is ensured to be dry in rainy weather, the circuit fault is prevented from causing conduction through rainwater when the power is broken, and the safety of breaking and closing the power is further improved.

Description

A kind of high voltage switch protection structure

Technical field

The utility model relates to the field of high-voltage switch protection, specifically to a high-voltage switch protection structure.

Background technique

High-voltage switch refers to a switch that can withstand high voltage, high current and reliably open and close. Typically, they are used to control major electrical components in high-voltage transmission lines or substations. High-voltage switches not only require good conductivity and power-off performance, but also require special design to ensure their arc resistance, insulation performance and anti-pollution performance to ensure normal and stable operation in high-voltage electrical environments.

Commonly used high-voltage switches require a higher position for maintenance operations. Before maintenance, it is necessary to open the knife in the high-voltage switch box to close the source, thereby facilitating maintenance. Some high-voltage switches have problems when in use. It will be installed at a higher place, which requires the staff to work at a higher place, and then they need to climb higher to open the gate knife to facilitate work. At this time, you need to bring the gate opening tools to open the gate. At the same time, when opening the gate Due to the high voltage, there will be certain risks, which will affect the safety of workers.

No effective solutions have yet been proposed for the problems in related technologies.

Utility model content

In view of the problems in related technologies, the present utility model proposes a high-voltage switch protection structure. To overcome the above technical problems existing in the existing related technologies.

The technical solution of the present invention is realized as follows: a high-voltage switch protection structure, including a frame, a high-voltage switch body, and a blade. A mounting shaft is rotatably installed in the middle of the inner side of the frame, and an opening is installed on the frame through the mounting shaft. Closing assembly, a driving assembly is installed on the outside of the frame through a mounting shaft.

Further, the opening and closing assembly includes positioning plates. The number of installations of the positioning plates is the same as the number of the gate knives. The positioning plates are inclined toward the closing position of the gate knives. The top of the positioning plates is installed with a Insulating ceramic rod, pulleys are mounted on both sides of the top of the insulating ceramic rod for rotation, and the pulleys are tangentially aligned with the gate knife.

Further, a fixed plate is installed inside the frame in the direction in which the positioning plate is inclined, and a return spring is connected to the top of the fixed plate, wherein the return spring is connected to the knife through an insulating plate.

Further, the driving assembly includes a driving shaft, the driving shaft is rotatably installed on the outside of the frame, and the driving shaft extends toward the installation shaft and is connected with the installation shaft. The arc surface of the driving shaft A driving dial is installed on the side, and a torsion spring is connected between the driving dial and the frame.

Further, an insulating cover is installed on the outside of the frame at the driving shaft. The bottom end of the driving dial is connected with an insulating rope. The bottom end of the insulating rope is connected with a positioning hook. The inner side of the insulating cover is Two positioning groove frames matching the positioning hooks are installed from top to bottom.

The utility model provides a high-voltage switch protection structure, with the following beneficial effects:

1. This utility model can quickly transform the high-voltage switch body from the closing state to the opening state to cut off power when performing maintenance or inspection work. At the same time, there is no need for workers to climb to a high place to open the switch, which reduces the time required for opening and closing the switch. At the same time, the insulating cover installed can ensure the dryness of the interior in rainy weather and prevent circuit faults from causing conduction through rainwater during switching, further increasing the safety of switching.

2. Before inspection or repair is required, pull down the insulating rope and pull the driving dial through the insulating rope, thereby pulling the driving shaft to rotate. When the driving shaft rotates, it will drive the installation shaft to rotate. When the installation shaft rotates, the installation shaft will rotate. It will drive the positioning plate to rotate. When the positioning plate rotates, it will drive the stunning ceramic rod to rotate, and then push the blade to move through the pulley, so that the blade changes from the closing state to the opening state, thereby disconnecting the circuit, which is convenient repair.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without exerting creative efforts.

Figure 1 is a front view of a high-voltage switch protection structure according to an embodiment of the present invention;

Figure 2 is a schematic structural diagram of point A of a high-voltage switch protection structure according to an embodiment of the present invention;

Figure 3 is a dissection view of a high-voltage switch protection structure according to an embodiment of the present invention.

In the picture:

1. Frame; 2. High-voltage switch body; 3. Brake knife; 4. Installation shaft; 5. Opening and closing components; 6. Driving components; 7. Positioning plate; 8. Insulated ceramic rod; 9. Pulley; 10. Fixed plate; 11. Return spring; 12. Insulating plate; 13. Driving shaft; 14. Driving dial; 15. Torsion spring; 16. Insulating cover; 17. Insulating rope; 18. Positioning hook; 19. Positioning slot frame.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of the present utility model.

As shown in Figures 1-3, a high-voltage switch protection structure according to an embodiment of the present invention includes a frame 1, a high-voltage switch body 2, and a blade 3. A mounting shaft 4 is rotatably installed in the middle of the inner side of the frame 1. The frame 1 is equipped with a switching assembly 5 through the installation shaft 4 , and a driving assembly 6 is installed on the outside of the frame 1 through the installation shaft 4 .

When carrying out maintenance or inspection work, the high-voltage switch body 2 will be quickly transferred from the closing state to the opening state to cut off power. At the same time, there is no need for workers to climb to a high place to open the switch, which reduces the risk of opening and closing. At the same time, The insulating cover 16 provided can ensure internal dryness in rainy weather, prevent circuit faults from causing conduction through rainwater during switching, and further increase the safety of switching.

In addition, as shown in Figures 1-3, in one embodiment, the opening and closing gate assembly 5 includes positioning plates 7. The number of the positioning plates 7 installed is the same as the number of the gate knives 3, and the positioning plates 7 Inclined toward the closing position of the gate knife 3, an insulating ceramic rod 8 is installed on the top of the positioning plate 7. Pulleys 9 are mounted on both sides of the top of the insulating ceramic rod 8, and the pulleys 9 are connected with the gate. The knives 3 are tangentially fitted. A fixed plate 10 is installed on the inside of the frame 1 in the direction in which the positioning plate 7 is inclined. A return spring 11 is connected to the top of the fixed plate 10 , and the return spring 11 passes through the insulating plate 12 Connected to the blade 3, the driving assembly 6 includes a driving shaft 13. The driving shaft 13 is rotatably installed on the outside of the frame 1, and the driving shaft 13 extends toward the mounting shaft 4 and is connected with the mounting shaft 4. The installation shaft 4 is connected. A driving dial 14 is installed on the arc edge of the driving shaft 13. A torsion spring 15 is connected between the driving dial 14 and the frame 1. The outer side of the frame 1 is located on the driving shaft. An insulating cover 16 is installed at 13 places. The bottom end of the driving block 14 is connected to an insulating rope 17. The bottom end of the insulating rope 17 is connected to a positioning hook 18. The inner side of the insulating cover 16 is installed from top to bottom. There are two positioning groove frames 19 that match the positioning hooks 18. Before inspection or repair is required, pull down the insulating rope 17 and pull the driving dial 14 through the insulating rope 17, thereby pulling the driving shaft 13 to rotate. When the shaft 13 rotates, it will drive the installation shaft 4 to rotate. When the installation shaft 4 rotates, it will drive the positioning plate 7 to rotate. When the positioning plate 7 rotates, it will drive the Juyan ceramic rod to rotate, and then through the pulley 9 Push the blade 3 to move, so that the blade 3 changes from the closing state to the opening state, thereby disconnecting the circuit and facilitating maintenance.

Based on the above solution, when the utility model is actually used, its working principle or operation process is as follows: before maintenance or repair is required, pull down the insulating rope 17, pull the driving dial 14 through the insulating rope 17, thereby pulling the driving shaft 13 to rotate. When the drive shaft 13 rotates, it will drive the installation shaft 4 to rotate. When the installation shaft 4 rotates, it will drive the positioning plate 7 to rotate. When the positioning plate 7 rotates, it will drive the Jueyan ceramic rod to rotate. The pulley 9 pushes the blade 3 to move, so that the blade 3 changes from the closing state to the opening state, thereby disconnecting the circuit and facilitating maintenance.

With the help of the above-mentioned solution of the present invention, the present utility model can realize the rapid transition of the high-voltage switch body 2 from the closing state to the opening state for power outage. At the same time, there is no need for workers to climb to a high place to open the switch, which reduces the time required for opening and closing the switch. At the same time, the insulating cover 16 provided can ensure the dryness of the interior in rainy weather and prevent circuit faults from causing conduction through rainwater during switching, further increasing the safety of switching.

The above descriptions are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in within the protection scope of this utility model.

Claims (5)

1. A high-voltage switch protection structure, including a frame (1), a high-voltage switch body (2), and a blade (3). It is characterized in that an installation shaft (4) is rotatably installed in the middle of the inner side of the frame (1), so The frame (1) is equipped with a switching assembly (5) through the installation shaft (4), and a driving assembly (6) is installed on the outside of the frame (1) through the installation shaft (4). 2. A high-voltage switch protection structure according to claim 1, characterized in that the switching assembly (5) includes a positioning plate (7), and the installation number of the positioning plate (7) is the same as that of the gate knife. (3) The numbers are the same, and the positioning plate (7) is inclined toward the closing position of the gate knife (3). An insulating ceramic rod (8) is installed on the top of the positioning plate (7). The insulating ceramic rod Pulleys (9) are rotatably installed on both sides of the top end of (8), and the pulleys (9) are tangentially fitted to the gate knife (3). 3. A high-voltage switch protection structure according to claim 2, characterized in that a fixing plate (10) is installed inside the frame (1) in the direction in which the positioning plate (7) is inclined, and the fixing plate The top end of (10) is connected with a return spring (11), wherein the return spring (11) is connected to the knife (3) through an insulating plate (12). 4. A high-voltage switch protection structure according to claim 3, characterized in that the driving assembly (6) includes a driving shaft (13), and the driving shaft (13) is rotatably installed on the frame (1) outside, and the driving shaft (13) extends toward the mounting shaft (4) and is connected to the mounting shaft (4). A driving dial (14) is installed on the arc edge of the driving shaft (13). , a torsion spring (15) is connected between the driving block (14) and the frame (1). 5. A high-voltage switch protection structure according to claim 4, characterized in that an insulating cover (16) is installed outside the frame (1) at the driving shaft (13), and the driving dial (16) is The bottom end of 14) is connected with an insulating rope (17), the bottom end of the insulating rope (17) is connected with a positioning hook (18), and the inner side of the insulating cover (16) is installed with two hooks from top to bottom. The positioning hook (18) matches the positioning groove frame (19).