Outdoor alternating-current high-voltage isolating switch
By setting up a ceramic insulating sleeve and transmission mechanism in the bracket in the outdoor AC high-voltage isolation switch, the problem of the linkage mechanism being susceptible to wind, sun and rain is solved, extending the equipment life and ensuring the normal operation of the switch.
Patent Information
- Application Number
- CN202323454996.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-18
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-18
AI Technical Summary
Due to the exposed setting, the linkage mechanism of the existing outdoor AC high-voltage isolation switch is susceptible to wind, sun and rain, resulting in a reduced service life and impact on functions, which increases the maintenance burden.
A structure including a bracket, a ceramic insulating sleeve, a bottom bevel gear, a swing rod, a moving rod and a connecting rod are designed. The transmission mechanism is arranged inside the bracket, and the bottom bevel gear is driven by a power component to drive the ceramic insulating sleeve for opening and closing operation. Avoid rain.
It effectively protects the linkage device, avoids the invasion of water and dirt, extends the service life of the equipment, and ensures the normal function of the switch.
Smart Images
Figure CN222146074U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-voltage isolating switches, in particular to an outdoor AC high-voltage isolating switch. Background Art
[0002] Most of the existing linkage mechanisms of outdoor disconnectors are set on the upper side of the bracket and located on the lower side of the insulating ceramic cylinder. Under the effects of wind, sun, and rain, their service life will be reduced. In order to keep it in good working condition, this increases the burden of personnel maintaining the linkage mechanism. Due to the direct exposure, the linkage mechanism is not protected from rain in time, making it easy for water and dirt to be immersed in the parts of the linkage mechanism. This in turn affects the function of the linkage mechanism to drive the switch to open and close. People have conducted a lot of research on this. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide an outdoor AC high-voltage isolating switch, which can solve the above-mentioned problems in the existing technology.
[0004] The utility model is realized through the following technical scheme: an outdoor AC high-voltage disconnector of the utility model comprises a bracket, on which two rows of ceramic insulating sleeves are rotatably arranged, one side of one row of the ceramic insulating sleeves is provided with contact fingers, and one side of the other row of the ceramic insulating sleeves is provided with contacts, and the characteristic is that an inner cavity is arranged inside the bracket, four bottom bevel gears are rotatably arranged inside the inner cavity, a swing rod is arranged on the outer surface of the bottom bevel gears, a connecting rod is arranged on the outer surface of the ceramic insulating sleeve, a moving rod is arranged in the inner cavity, and the moving rod is hinged to the swing rod and the connecting rod.
[0005] According to a further technical solution, the bottom bevel gears are arranged at the four corners of the inner cavity.
[0006] According to a further technical solution, the connecting rod and the swing rod are in a parallel state as they move with the moving rod.
[0007] According to a further technical solution, a transmission housing is provided in the inner cavity, a rotating shaft is rotatably provided in the transmission housing, the rotating shaft is fixedly connected to the inner cavity on both sides, and the rotating shaft is driven to rotate by a power assembly.
[0008] A further technical solution is that the power component includes a transmission bevel gear arranged on the outer surface of the rotating shaft, a meshing bevel gear is meshingly arranged on one side of the transmission bevel gear, the meshing bevel gear is rotatably connected with the transmission box, a bottom shaft is arranged on one side of the meshing bevel gear, a power source structure is arranged on one side of the bottom shaft, and the power source structure is dynamically connected to the bottom shaft.
[0009] According to a further technical solution, the power source structure comprises a motor, one side of the motor is power-connected with a motor shaft, and the motor shaft is power-connected to the bottom shaft via a coupling.
[0010] According to a further technical solution, a column is provided at the bottom of the bracket, and the motor is fixed on the column.
[0011] The beneficial effects of the utility model are:
[0012] First, the bracket is used to set the linkage device inside, so that the bracket can better protect the linkage device and prevent the transmission thereof from being affected by the invasion of rain and the like.
[0013] 2. Through the design of the bottom bevel gear, swing rod, moving rod and connecting rod, the bottom bevel gear can drive the moving rod to swing through the swing rod, so that the connecting rod at other positions can drive the ceramic insulating sleeve to swing, thereby realizing the function of opening and closing the contact fingers and contacts. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] For ease of explanation, the present invention is described in detail by the following specific embodiments and drawings.
[0015] Figure 1 This is a schematic diagram of the overall structure of an outdoor AC high-voltage disconnect switch of the utility model;
[0016] Figure 2 for Figure 1 A schematic diagram of the structure of the middle switch viewed from above;
[0017] Figure 3 for Figure 2 Schematic diagram at A in the middle;
[0018] Figure 4 for Figure 2 Schematic diagram at B in the middle;
[0019] In the figure, coupling 11, motor shaft 12, motor 13, column 14, bracket 15, ceramic insulating sleeve 16, contact finger 17, contact 18, inner cavity 21, rotating shaft 22, transmission bevel gear 23, meshing bevel gear 24, bottom shaft 27, transmission housing 28, transmission bevel gear 31, bottom bevel gear 32, swing rod 33, moving rod 34, connecting rod 35. DETAILED DESCRIPTION
[0020] like Figure 1-Figure 4 As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are Figure 1The up-down, left-right, front-back directions of the projection relationship are consistent. The utility model is an outdoor AC high-voltage disconnector, including a bracket 15, on which two rows of ceramic insulating sleeves 16 are rotatably arranged, one side of one row of ceramic insulating sleeves 16 is provided with contact fingers 17, and the other side of the other row of ceramic insulating sleeves 16 is provided with contacts 18. It is characterized in that a linkage device is arranged inside the bracket 15 to drive the two rows of ceramic insulating sleeves 16 to rotate.
[0021] Advantageously, the linkage device includes an inner cavity 21 arranged in the bracket 15, four bottom bevel gears 32 are rotatably arranged in the inner cavity 21, a swing rod 33 is arranged on the outer surface of the bottom bevel gear 32, a connecting rod 35 is arranged on the outer surface of the ceramic insulating sleeve 16, and a moving rod 34 is arranged in the inner cavity 21, and the moving rod 34 is hinged to the swing rod 33 and the connecting rod 35.
[0022] Advantageously, the bottom bevel gears 32 are disposed at the four corners of the inner cavity 21 .
[0023] Advantageously, the connecting rod 35 and the swing rod 33 are in a parallel state when they move with the moving rod 34 .
[0024] Advantageously, a transmission housing 28 is disposed in the inner cavity 21 , a rotating shaft 22 is rotatably disposed in the transmission housing 28 , the rotating shaft 22 is fixedly connected to the inner cavity 21 on both sides, and the rotating shaft 22 is driven to rotate by a power assembly.
[0025] Advantageously, the power assembly includes a transmission bevel gear 23 arranged on the outer surface of the rotating shaft 22, a meshing bevel gear 24 is meshingly arranged on one side of the transmission bevel gear 23, the meshing bevel gear 24 is rotatably connected to the transmission housing 28, a bottom shaft 27 is arranged on one side of the meshing bevel gear 24, a power source structure is arranged on one side of the bottom shaft 27, and the power source structure is dynamically connected to the bottom shaft 27.
[0026] Advantageously, the power source structure includes a motor 13 , one side of the motor 13 is provided with a motor shaft 12 , and the motor shaft 12 is connected to the bottom shaft 27 via a coupling 11 .
[0027] Advantageously, a column 14 is provided at the bottom of the bracket 15 , and 13 is fixed on the column 14 .
[0028] The high-voltage disconnector sets the transmission mechanism inside the bracket 15, which prevents the rotating mechanism from being attacked by more rainwater and the like and avoids the hiding of more water or dirt.
[0029] When opening the gate, the motor 13 drives the motor shaft 12 to rotate. Under the power connection of the coupling 11, the motor shaft 12 drives the coupling 11 and the bottom shaft 27 to rotate, so that the meshing bevel gear 24 rotates and then drives the transmission bevel gear 23 to rotate. Since the rotating shaft 22 and the transmission bevel gear 23 are fixed, the transmission bevel gear 23 drives the rotating shaft 22 to rotate. The transmission bevel gears 31 at both ends of the rotating shaft 22 drive the bottom bevel gear 32 to rotate after the rotating shaft 22 rotates. Since the swing rod 33 on one side of the bottom bevel gear 32 is hingedly arranged with the moving rod 34, the connecting rod 35 at the bottom of the ceramic insulating sleeve 16 is hingedly arranged with the moving rod 34, so that the moving rod 34 swings with the rotation of the swing rod 33, driving the connecting rods 35 at other positions to swing synchronously, so that the ceramic insulating sleeve 16 drives the top contact finger 17 or contact 18 to open the gate.
[0030] When the switch is closed, the contact finger 17 and the contact 18 are swung by utilizing the above structure so that the contact 18 enters the interior of the contact finger 17 and then contacts the contact to form an electrical connection.
[0031] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.
Claims
1. An outdoor AC high-voltage disconnect switch, comprising a bracket (15), wherein two rows of ceramic insulating sleeves (16) are rotatably arranged on the bracket (15), wherein one side of the ceramic insulating sleeves (16) in one row is provided with a contact finger (17), and one side of the ceramic insulating sleeves (16) in another row is provided with a contact (18), characterized in that: The bracket (15) is provided with an inner cavity (21), four bottom bevel gears (32) are rotatably provided in the inner cavity (21), a swing rod (33) is provided on the outer surface of the bottom bevel gear (32), a connecting rod (35) is provided on the outer surface of the ceramic insulating sleeve (16), a moving rod (34) is provided in the inner cavity (21), and the moving rod (34) is hingedly connected to the swing rod (33) and the connecting rod (35).
2. An outdoor AC high voltage disconnector according to claim 1, characterized in that: The bottom bevel gears (32) are arranged at the four corners of the inner cavity (21).
3. The outdoor AC high voltage disconnector according to claim 1, characterized in that: A transmission housing (28) is arranged in the inner cavity (21), a rotating shaft (22) is rotatably arranged in the transmission housing (28), the rotating shaft (22) is fixedly connected to the inner cavity (21) on both sides, and the rotating shaft (22) is driven to rotate by a power assembly.
4. An outdoor AC high voltage disconnect switch according to claim 3, characterized in that: The power assembly comprises a transmission bevel gear (23) arranged on the outer surface of the rotating shaft (22); a meshing bevel gear (24) is meshedly arranged on one side of the transmission bevel gear (23); the meshing bevel gear (24) is rotationally connected to the transmission housing (28); a bottom shaft (27) is arranged on one side of the meshing bevel gear (24); a power source structure is arranged on one side of the bottom shaft (27); and the power source structure is power-connected to the bottom shaft (27).
5. An outdoor AC high voltage disconnector according to claim 4, characterized in that: The power source structure comprises a motor (13), one side of the motor (13) is provided with a motor shaft (12) for power connection, and the motor shaft (12) is connected to the bottom shaft (27) for power connection via a coupling (11).
6. An outdoor AC high voltage disconnector according to claim 5, characterized in that: A column (14) is provided at the bottom of the bracket (15), and the motor (13) is fixed on the column (14).