High-voltage switch protection structure

Abstract

The utility model relates to the technical field of high-voltage switches, in particular to a high-voltage switch protection structure, which comprises a high-voltage switch main body and a switch control rod, one side of the high-voltage switch main body is provided with the switch control rod for controlling the on-off of a high-voltage switch, the outer side of the switch control rod is provided with a protection mechanism, and the lower end of the protection mechanism is provided with a control mechanism; the protection mechanism comprises a protection shell, the inner side of the protection shell is fixedly connected with a fixing block, the inner side of the fixing block is rotatably connected with a rotating shaft through a clockwork spring, and two ends of the rotating shaft are fixedly connected with rotating plates; the control mechanism comprises a control rod, and the inner side of the upper end of the control rod is connected with a limiting pin in a sliding mode through a spring telescopic rod. The high-voltage switch protection device can protect a switch of a high-voltage switch and an operation part, meanwhile, in the later maintenance process, the protection mechanism does not need to be disassembled, and on-off of the high-voltage switch can be directly controlled through the control rod; and the maintenance efficiency of the high-voltage switch in the later period is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage switches, in particular to a high-voltage switch protection structure. Background Art

[0002] A protective cover is designed on the outside of the high-voltage switch to cover the operating parts of the switch to prevent damage caused by operator misoperation or external factors. At the same time, it can prevent rain and snow from affecting the switch and other operating parts. This structure ensures the safe operation of the high-voltage switch and extends the life of the equipment.

[0003] The operating parts of the high-voltage switch are protected by a fully sealed casing. Although the protection effect is good, for the high-voltage switch installed at a high place, it is necessary to control the high-voltage switch to be turned off during the later maintenance of the high-voltage switch. However, before closing, the protective casing needs to be removed first, and then the switch is controlled to be turned off. The operation is more troublesome and affects the efficiency of maintenance. Therefore, a high-voltage switch protection structure is proposed to address the above problems. Utility Model Content

[0004] The utility model aims to provide a high-voltage switch protection structure to solve the problem of protecting the operating parts of the high-voltage switch by a fully sealed shell. Although the protection effect is good, for the high-voltage switch installed at a high place, it is necessary to control the high-voltage switch to be closed during the later maintenance of the high-voltage switch. However, before closing, the protective shell needs to be removed first, and then the switch is controlled to be closed, which is troublesome to operate and affects the efficiency of maintenance.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-voltage switch protection structure comprises a high-voltage switch body and a switch control rod, a switch control rod for controlling the on and off of the high-voltage switch is installed on one side of the high-voltage switch body, a protection mechanism is provided on the outside of the switch control rod, and a control mechanism is provided at the lower end of the protection mechanism; the protection mechanism comprises a protection shell, a fixed block is fixedly connected to the inner side of the protection shell, the inner side of the fixed block is rotatably connected to a rotating shaft through a clockwork spring, and both ends of the rotating shaft are fixedly connected to a rotating plate; the control mechanism comprises a control rod, the inner side of the upper end of the control rod is slidably connected to a limit pin through a spring telescopic rod, the end of the limit pin close to the inside of the control rod is fixedly connected to a second pull rope, a fixed pulley is provided on the middle side of the second pull rope, the bottom end of the second pull rope is fixedly connected to the limit rod, the bottom end of the limit rod is fixedly connected to the first pull rope, and a through hole is opened on the inner side of the movable end of the spring telescopic rod.

[0007] As a further optimization of the present invention, the protective shell is fixedly connected to one side of the high-voltage switch body, the rotating plate is arranged inside the protective shell, and two rotating plates are provided, and the rotating plates are arranged on both sides of the lower end of the switch control rod.

[0008] As a further optimization of the present invention, the protective shell is arranged at the lower end of the rotating plate and is provided with a through hole for the control mechanism to pass through, and the rotating plate and the protective shell are rotationally connected via a rotating shaft, a fixed block and a clockwork spring.

[0009] As a further optimization of the present invention, a U-shaped groove is provided at one end of the rotating plate, the rotating shaft, the fixed block and the clockwork spring are arranged in the U-shaped groove of the rotating plate, and the position of the U-shaped groove of the rotating plate is set on a side away from the center point of the protective shell.

[0010] As a further optimized content of the present invention, wherein: the bottom of the control rod is slidably connected to the first pull rope, and the bottom end of the first pull rope is exposed outside the control rod.

[0011] As a further optimization of the present invention, two of the second pull ropes and two of the fixed pulleys are provided, the second pull ropes correspond to the fixed pulleys one to one, the fixed pulleys are connected by a fixed shaft, and the fixed pulley is rotatably connected to the control rod through the fixed shaft, and the fixed shaft is arranged inside a through hole opened on the inner side of the movable end of the spring telescopic rod.

[0012] As a further optimization of the present invention, the second pull rope is arranged on both sides of the spring telescopic rod, and the limit rod fixedly connected to the bottom end of the second pull rope is slidably connected to the control rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the switch and operating parts of the high-voltage switch can be protected by the provided protection mechanism and control mechanism. At the same time, during the later maintenance process, there is no need to disassemble the protection mechanism. The on and off of the high-voltage switch can be directly controlled by the control rod, which is more convenient and effectively improves the efficiency of the later maintenance of the high-voltage switch. At the same time, the limit pin provided cooperates with the control rod to prevent the high-voltage switch from automatically resetting during the maintenance process, which is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is the overall exploded view of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the protection mechanism of the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the structure at A in the middle;

[0019] Figure 5 This is a schematic diagram of the control mechanism structure of the utility model;

[0020] Figure 6 For this utility model Figure 5 Schematic diagram of the structure at point B in the middle.

[0021] In the figure: 1. high-voltage switch body; 2. protection mechanism; 21. protection shell; 22. rotating plate; 23. rotating shaft; 24. fixing block; 25. clockwork spring; 3. control mechanism; 31. control rod; 32. first pull rope; 33. second pull rope; 34. limit rod; 35. spring telescopic rod; 36. limit pin; 37. through hole; 38. fixed pulley; 4. switch control rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0024] See also Figure 1-6 , the utility model provides a technical solution:

[0025] A high-voltage switch protection structure comprises a high-voltage switch body 1 and a switch control rod 4, wherein a switch control rod 4 for controlling the on and off of the high-voltage switch is installed on one side of the high-voltage switch body 1, a protection mechanism 2 is arranged on the outer side of the switch control rod 4, and a control mechanism 3 is arranged on the lower end of the protection mechanism 2; the protection mechanism 2 comprises a protection shell 21, a fixed block 24 is fixedly connected to the inner side of the protection shell 21, a rotating shaft 23 is rotatably connected to the inner side of the fixed block 24 through a clockwork spring 25, and both ends of the rotating shaft 23 are fixedly connected to a rotating plate 22; the control mechanism 3 comprises a control rod 31, a limit pin 36 is slidably connected to the inner side of the upper end of the control rod 31 through a spring telescopic rod 35, an end of the limit pin 36 close to the inside of the control rod 31 is fixedly connected to a second pull rope 33, a fixed pulley 38 is arranged on one side in the middle of the second pull rope 33, a bottom end of the second pull rope 33 is fixedly connected to the limit rod 34, a first pull rope 32 is fixedly connected to the bottom end of the limit rod 34, and a through hole 37 is opened on the inner side of the moving end of the spring telescopic rod 35.

[0026] As a further implementation plan of this plan, the specific Figure 1-4 As shown, the protective shell 21 is fixedly connected to one side of the high-voltage switch body 1, the rotating plate 22 is arranged inside the protective shell 21, and there are two rotating plates 22, which are arranged on both sides of the lower end of the switch control rod 4, and the switch control rod 4 can be rotated by rotating the rotating plate 22; the protective shell 21 is provided with a through hole 37 for the control mechanism 3 to pass through at the position of the lower end of the rotating plate 22, and the rotating plate 22 and the protective shell 21 are rotatably connected through the rotating shaft 23, the fixing block 24 and the spring 25. Through the above arrangement, the rotating plate 22 can be controlled to reset; a U-shaped groove is provided at one end of the rotating plate 22, and the rotating shaft 23, the fixing block 24 and the spring 25 are arranged in the U-shaped groove provided in the rotating plate 22, and the position where the U-shaped groove of the rotating plate 22 is provided is set on the side away from the center point of the protective shell 21. Through the above arrangement, the stability of the overall operation of the device is further improved;

[0027] As a further implementation plan of this plan, the specific Figure 1 , Figure 2 , Figure 5 as well as Figure 6As shown, the bottom of the control rod 31 is slidably connected with the first pull rope 32, and the bottom end of the first pull rope 32 is exposed outside the control rod 31, so that the second pull rope 33 can be controlled to move by the first pull rope 32; there are two second pull ropes 33 and two fixed pulleys 38, and the second pull ropes 33 and the fixed pulleys 38 correspond to each other one by one. The fixed pulleys 38 are connected by a fixed shaft, and the fixed pulley 38 is rotatably connected to the control rod 31 through the fixed shaft, and the fixed shaft is arranged inside the through hole 37 opened on the inner side of the moving end of the spring telescopic rod 35. The fixed pulley 38 can ensure the smoothness of the movement of the second pull rope 33, and at the same time, the through hole 37 can prevent the problem of movement interference between the fixed shaft connected to the fixed pulley 38 during the movement of the moving end of the spring telescopic rod 35; the second pull rope 33 is arranged on both sides of the spring telescopic rod 35, and the limit rod 34 fixedly connected to the bottom end of the second pull rope 33 is slidably connected to the control rod 31. Through the above arrangement, the first pull rope 32 and the second pull rope 33 can be positioned.

[0028] Workflow: During the maintenance of the high-voltage switch, the staff first inserts the control rod 31 into the protective housing 21, and then controls the rotating plate 22 to rotate. The rotating plate 22 can control the switch control rod 4 to rotate during the rotation. After the switch control rod 4 is rotated, the high-voltage switch can be controlled to be closed. At the same time, the limit pin 36 set at the upper end of the control rod 31 will enter the protective housing 21. At this time, the control rod 31 will be stuck in the protective housing 21. At this time, the top of the control rod 31 contacts the rotating plate 22, and the upper end of the rotating plate 22 will rotate the switch control rod 4. After the maintenance is completed, the staff pulls the first pull rope 32, and the limit pin 36 can be pulled into the control rod 31 through the limit rod 34 and the second pull rope 33, so as to facilitate the removal of the control rod 31 from the protective shell 21, and then the staff inserts the control rod 31 to the position on the lower side of the other end of the switch control rod 4, and then pushes the rotating plate 22 to control the switch control rod 4 to rotate in the opposite direction again to complete the closing of the high-voltage switch.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-voltage switch protection structure, comprising a high-voltage switch body (1) and a switch control rod (4), characterized in that: A switch control rod (4) for controlling the on and off of the high-voltage switch is installed on one side of the high-voltage switch body (1); a protection mechanism (2) is provided on the outside of the switch control rod (4); and a control mechanism (3) is provided at the lower end of the protection mechanism (2); The protection mechanism (2) comprises a protection shell (21), a fixed block (24) is fixedly connected to the inner side of the protection shell (21), a rotating shaft (23) is rotatably connected to the inner side of the fixed block (24) via a spring spring (25), and both ends of the rotating shaft (23) are fixedly connected to the rotating plate (22); The control mechanism (3) comprises a control rod (31), the inner side of the upper end of the control rod (31) is slidably connected to a limit pin (36) via a spring telescopic rod (35), one end of the limit pin (36) close to the inside of the control rod (31) is fixedly connected to a second pull rope (33), a fixed pulley (38) is provided on one side in the middle of the second pull rope (33), the bottom end of the second pull rope (33) is fixedly connected to a limit rod (34), the bottom end of the limit rod (34) is fixedly connected to a first pull rope (32), and a through hole (37) is provided on the inner side of the movable end of the spring telescopic rod (35).

2. A high voltage switch protection structure according to claim 1, characterized in that: The protective shell (21) is fixedly connected to one side of the high-voltage switch body (1), and the rotating plate (22) is arranged inside the protective shell (21). Two rotating plates (22) are provided, and the rotating plates (22) are arranged on both sides of the lower end of the switch control rod (4).

3. A high voltage switch protection structure according to claim 1, characterized in that: The protective housing (21) is arranged at the lower end of the rotating plate (22) and is provided with a through hole (37) for the control mechanism (3) to pass through. The rotating plate (22) and the protective housing (21) are rotatably connected via a rotating shaft (23), a fixing block (24) and a spring (25).

4. A high voltage switch protection structure according to claim 1, characterized in that: A U-shaped groove is provided at one end of the rotating plate (22); the rotating shaft (23), the fixing block (24) and the spring spring (25) are arranged in the U-shaped groove provided in the rotating plate (22); and the position where the U-shaped groove of the rotating plate (22) is provided is arranged on a side away from the center point of the protective housing (21).

5. A high voltage switch protection structure according to claim 1, characterized in that: The bottom of the control rod (31) is slidably connected to the first pull rope (32), and the bottom end of the first pull rope (32) is exposed outside the control rod (31).

6. A high voltage switch protection structure according to claim 1, characterized in that: Two of the second pull ropes (33) and the fixed pulleys (38) are provided, and the second pull ropes (33) and the fixed pulleys (38) correspond to each other one by one. The fixed pulleys (38) are connected by a fixed shaft, and the fixed pulleys (38) are rotatably connected to the control rod (31) by the fixed shaft. The fixed shaft is arranged inside a through hole (37) opened on the inner side of the movable end of the spring telescopic rod (35).

7. A high voltage switch protection structure according to claim 1, characterized in that: The second pull rope (33) is arranged on both sides of the spring telescopic rod (35), and the limiting rod (34) fixedly connected to the bottom end of the second pull rope (33) is slidably connected to the control rod (31).

Images