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CN-224217420-U - Misoperation-preventing locking mechanism and unlocking component of high-voltage switch

CN224217420UCN 224217420 UCN224217420 UCN 224217420UCN-224217420-U

Abstract

The utility model provides a misoperation-preventing locking mechanism and an unlocking component of a high-voltage switch, which relate to the technical field of safety of high-voltage electrical equipment and comprise a high-voltage switch handle, the bottom of high-voltage switch handle surface is connected with the mount pad of being connected with high-voltage switch through first pivot swing joint, the bottom of high-voltage switch handle is connected with the connection structure that is used for high-voltage switch promotion through second pivot swing joint. According to the utility model, the safety and convenience of the high-voltage switch operation can be improved by arranging the high-voltage switch handle, the mounting seat, the connecting structure and the locking mechanism, the first rotating shaft and the second rotating shaft are movably connected, so that the high-voltage switch handle can flexibly perform switch operation, meanwhile, the design of the connecting structure is convenient for pushing the high-voltage switch, the operation efficiency is improved, the locking mechanism is fixedly connected, misoperation of the high-voltage switch handle is effectively prevented, and the personal safety of operators and the stable operation of equipment are ensured.

Inventors

  • HUANG WEIQING

Assignees

  • 深圳市柏尔智能科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250903

Claims (6)

  1. 1. The misoperation-preventing locking mechanism of the high-voltage switch is characterized by comprising a high-voltage switch handle (1), wherein the bottom of the surface of the high-voltage switch handle (1) is movably connected with a mounting seat (2) connected with the high-voltage switch through a first rotating shaft, and the bottom of the high-voltage switch handle (1) is movably connected with a connecting structure (3) for pushing the high-voltage switch through a second rotating shaft; The right side of the mounting seat (2) is fixedly connected with a locking mechanism for preventing misoperation of the high-voltage switch handle (1).
  2. 2. The misoperation-preventing locking mechanism of the high-voltage switch is characterized by comprising a protective shell (4), wherein the left side of the protective shell (4) is fixedly connected with the surface of an installation seat (2), a positioning pin (5) is movably connected to the left side of the inside of the protective shell (4), the left side of the positioning pin (5) penetrates through the installation seat (2) and extends to the inside of the high-voltage switch handle (1), a clamping groove (6) matched with the positioning pin (5) is formed in the surface of the high-voltage switch handle (1), and a movable plate (7) is fixedly connected to the right side of the surface of the positioning pin (5).
  3. 3. The misoperation-preventing locking mechanism of the high-voltage switch, as claimed in claim 2, is characterized in that a guide rod (8) is movably connected in the locating pin (5), the right side of the guide rod (8) is fixedly connected with the right side of the inner wall of the protective shell (4), a return spring (9) is sleeved on the surface of the guide rod (8), and the return spring (9) is located between the moving plate (7) and the protective shell (4).
  4. 4. The misoperation-preventing locking mechanism of the high-voltage switch, which is disclosed in claim 3, is characterized in that a limit ring (10) is sleeved on the left side of the surface of the return spring (9), the left side of the limit ring (10) is fixedly connected with the right side of the moving plate (7), a limit rod (11) is movably connected inside the locating pin (5), and a sliding groove (12) matched with the limit rod (11) is formed inside the locating pin (5).
  5. 5. The unlocking component of the misoperation-preventing locking mechanism of the high-voltage switch, as claimed in any one of claims 1 to 4, is characterized by comprising a retainer ring (13), wherein a transmission shaft (14) is fixedly connected to the inside of the retainer ring (13), a packing auger (15) is fixedly connected to the surface of the transmission shaft (14), the left side of the packing auger (15) is fixedly connected to the right side of the retainer ring (13), a semicircular baffle plate (16) is fixedly connected to the right side of the packing auger (15), and the right side of the transmission shaft (14) penetrates through the protective shell (4) and extends to the right side of the protective shell (4).
  6. 6. The misoperation-preventive locking mechanism and unlocking assembly for the high-voltage switch is characterized in that a bearing seat (17) is fixedly connected to the left side of the surface of a transmission shaft (14), the left side of the bearing seat (17) is fixedly connected with the surface of an installation seat (2), a reinforcing sleeve (18) is sleeved on the right side of the surface of the transmission shaft (14), the surface of the reinforcing sleeve (18) is fixedly connected with the inside of a protective shell (4), a rotating handle (19) is fixedly connected to the right side of the transmission shaft (14), an arrow mark is arranged on the rotating handle (19), and a character mark matched with the arrow mark is arranged on the protective shell (4).

Description

Misoperation-preventing locking mechanism and unlocking component of high-voltage switch Technical Field The utility model relates to the technical field of high-voltage electrical equipment safety, in particular to a misoperation-preventing locking mechanism and an unlocking component for a high-voltage switch. Background High-voltage electrical devices are electrical devices rated at voltages exceeding 1000V and play a critical role in the electrical power system. The transformer is used for changing the magnitude of alternating voltage and realizing the transmission and distribution of electric energy. Transformers are of various types, such as oil-immersed transformers and dry transformers, and their main parameters include rated capacity, rated voltage, transformation ratio, etc. Circuit breaker-a circuit breaker capable of switching on, carrying and switching off the current of an operating circuit in normal or fault conditions. The circuit breaker has strong arc extinguishing capability and breaking capacity, and can protect circuits and equipment from damage caused by faults such as overload, short circuit and the like. Common types of circuit breakers are vacuum circuit breakers, sulfur hexafluoride circuit breakers, and the like. The isolating switch is mainly used for isolating a power supply, isolating high-voltage equipment from an electrified part and ensuring the safety of maintenance personnel. The transformer comprises a current transformer and a voltage transformer. The current transformer is used for transforming large current into small current for the measuring and protecting device, and the voltage transformer transforms high voltage into low voltage for providing signals for measuring, metering and protecting. Lightning arresters are used to protect electrical equipment from lightning overvoltage and operational overvoltage. When the voltage exceeds a certain value, the lightning arrester is conducted, and overvoltage is introduced to the ground. The high-voltage electric equipment blocks current by using an insulating medium, conducts high-voltage electric energy through a conductor, and controls current on-off by combining an arc extinguishing device to realize transmission, distribution and protection of the electric energy. The insulation medium ensures that breakdown does not occur between high potential and ground potential, the conductive system adopts a large-section conductor to reduce contact resistance, and the arc extinguishing mechanism is used for cutting off an electric arc. In the prior art, a high-voltage switch is required to be used for high-voltage electric equipment, the misoperation of the existing high-voltage switch can cause arc damage, equipment damage and even power grid accidents, and meanwhile, the existing electromagnetic locking depends on a secondary loop power supply and fails when power is off, so that a locking mechanism and an unlocking component for preventing misoperation of the high-voltage switch are required. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide a high-voltage switch misoperation-preventing locking mechanism and an unlocking component, which can prevent misoperation and facilitate manual unlocking, so as to solve the problems that the misoperation of the existing high-voltage switch can cause arc damage, equipment damage and even grid accidents, and meanwhile, the existing electromagnetic locking depends on a secondary loop power supply and fails in outage. In order to achieve the aim, the utility model is realized by the following technical scheme that the misoperation-preventing locking mechanism and unlocking component of the high-voltage switch comprise a high-voltage switch handle, wherein the bottom of the surface of the high-voltage switch handle is movably connected with a mounting seat connected with the high-voltage switch through a first rotating shaft, and the bottom of the high-voltage switch handle is movably connected with a connecting structure for pushing the high-voltage switch through a second rotating shaft; the right side of the mounting seat is fixedly connected with a locking mechanism for preventing misoperation of the high-voltage switch handle. Further, the locking mechanism comprises a protective shell, the left side of the protective shell is fixedly connected with the surface of the mounting seat, a locating pin is movably connected to the left side of the interior of the protective shell, the left side of the locating pin penetrates through the mounting seat and extends to the interior of the high-voltage switch handle, a clamping groove matched with the locating pin for use is formed in the surface of the high-voltage switch handle, and a moving plate is fixedly connected to the right side of the surface of the locating pin. Further, the inside swing joint of locating pin has the guide bar, the right side of guide bar and the right side fixe