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CN-224217419-U - High-voltage switch linkage opening and closing mechanism

CN224217419UCN 224217419 UCN224217419 UCN 224217419UCN-224217419-U

Abstract

The utility model provides a linkage opening and closing mechanism of a high-voltage switch, which relates to the technical field of high-voltage electric equipment switch control and comprises a mounting frame for equipment fixing, wherein a power mechanism for opening and closing is fixedly connected to the front side of the mounting frame, a connecting structure for connecting opening and closing is movably connected to the right side of the power mechanism, an opening and closing structure is fixedly connected to the rear side of the connecting structure, wiring terminals are movably connected to two sides of the opening and closing structure, the number of the wiring terminals is three, and the bottoms of the wiring terminals are fixedly connected with the top of the mounting frame. According to the utility model, the problems of arc damage, complex mechanical interlocking structure and high failure rate caused by asynchronous action of the traditional switching mechanism of the existing switch are solved by arranging the mounting frame, the power mechanism, the connecting structure and the switching mechanism.

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 high-voltage switch linkage opening and closing mechanism is characterized by comprising a mounting frame (1) for equipment fixing, wherein a power mechanism for opening and closing is fixedly connected to the front side of the mounting frame (1), and a connecting structure for connecting the opening and closing is movably connected to the right side of the power mechanism; The rear side fixedly connected with divide-shut brake structure of connection structure, the equal swing joint in both sides of divide-shut brake structure has binding post (2), the quantity of binding post (2) is three sets of, the bottom of binding post (2) is fixedly connected with the top of mounting bracket (1).
  2. 2. The high-voltage switch linkage opening and closing mechanism according to claim 1, wherein the power mechanism comprises a servo motor (3), the output end of the servo motor (3) is fixedly connected with a screw rod (4), the surface of the screw rod (4) is in threaded connection with a screw sleeve (5), the surface of the screw sleeve (5) is fixedly connected with a movable shell (6), the right side of the movable shell (6) is fixedly connected with a connecting structure, the surface of the servo motor (3) is fixedly connected with a fixing frame (7), and the rear side of the fixing frame (7) is fixedly connected with the front side of the mounting frame (1).
  3. 3. The high-voltage switch linkage opening and closing mechanism according to claim 2, wherein the connecting structure comprises a hexagonal sleeve (8), the hexagonal sleeve (8) is sleeved on the surface of the opening and closing structure, a connecting plate (9) is fixedly connected to the bottom of the hexagonal sleeve (8), a fixing shaft (10) is movably connected to the inside of the connecting plate (9), a sleeve (11) is fixedly connected to the surface of the fixing shaft (10), the surface of the sleeve (11) is movably connected with the inside of the connecting plate (9), and the left side of the sleeve (11) is fixedly connected with the right side of the fixing frame (7).
  4. 4. The high-voltage switch linkage opening and closing mechanism according to claim 3, wherein the opening and closing structure comprises a hexagonal block (12), the hexagonal block (12) is located in a hexagonal sleeve (8), a transmission shaft (13) is fixedly connected to the rear side of the hexagonal block (12), the rear side of the transmission shaft (13) penetrates through the mounting frame (1) and extends to the inside of the mounting frame (1), a first connecting rod (14) is fixedly connected to the surface of the transmission shaft (13), a second connecting rod (15) is movably connected to the top of the first connecting rod (14) through a first rotating shaft, a contact rod (16) is movably connected to the top of the second connecting rod (15) through a second rotating shaft, a fixed joint (17) is movably connected to the left side of the contact rod (16) through a third rotating shaft, a movable joint (18) is fixedly connected to the left side of the wiring terminal (2), and a right side of the contact rod (16) is fixedly connected to the movable joint (18).
  5. 5. The high-voltage switch linkage opening and closing mechanism of claim 2, wherein a protecting shell (19) is sleeved on the surface of the movable shell (6), the left side of the protecting shell (19) is fixedly connected with the right side of the fixed frame (7), a reinforcing sleeve (20) used for reinforcing the joint of the protecting shell (19) and the movable shell (6) is fixedly connected inside the protecting shell, and the inside of the reinforcing sleeve (20) is movably connected with the surface of the movable shell (6).
  6. 6. The high-voltage switch linkage opening and closing mechanism according to claim 4, wherein a screw (21) used for limiting the hexagonal sleeve (8) is arranged at the top of the hexagonal sleeve (8), a threaded end of the screw (21) penetrates through the hexagonal sleeve (8) and extends to the surface of the hexagonal block (12), an opening (22) matched with the sleeve (11) and the fixing frame (7) is formed in the left side of the connecting plate (9), a through hole (23) matched with the fixing shaft (10) is formed in the connecting plate (9), bearing seats (24) are sleeved on the front side and the rear side of the surface of the transmission shaft (13), the surface of the bearing seats (24) is fixedly connected with the surface of the mounting frame (1), and insulators (25) are fixedly connected with the surface of the second connecting rod (15).

Description

High-voltage switch linkage opening and closing mechanism Technical Field The utility model relates to the technical field of high-voltage electrical equipment switch control, in particular to a linkage switching-on and switching-off mechanism of a high-voltage switch. Background The high-voltage switch is an electric appliance with rated voltage of 1kV and above and is mainly used for switching on and off a conductive loop. The high-voltage switch is a general term for the high-voltage switch and corresponding control, measurement, protection, regulating devices, accessories, shells, supports and other parts and electric and mechanical connection thereof, is an important control device for switching on and off a loop, cutting off and isolating faults, and generally comprises a high-voltage circuit breaker, a disconnecting switch, a load switch, a fuse, a high-voltage switch cabinet and the like, wherein the high-voltage circuit breaker (or called the high-voltage switch) not only can cut off or close idle current and load current in a high-voltage circuit, but also can cut off overload current and short-circuit current through the action of a relay protection device when a system breaks down. The device has quite perfect arc extinguishing structure and enough breaking capacity, and can be divided into an oil breaker (a multi-oil breaker and a low-oil breaker), a sulfur hexafluoride breaker (SF 6 breaker), a vacuum breaker, a compressed air breaker and the like. In the prior art, a linkage opening and closing mechanism is needed for high-voltage switch control, but in the use process of the conventional high-voltage switch linkage opening and closing mechanism, arc damage is caused by asynchronous action of the conventional opening and closing mechanism, a mechanical interlocking structure is complex, and the failure rate is high, so that the high-voltage switch linkage opening and closing mechanism which can be synchronous and is simple in structure is needed. Disclosure of utility model Aiming at the defects of the prior art, the utility model aims to provide a high-voltage switch linkage opening and closing mechanism which can be convenient for the movement synchronization of the opening and closing mechanism and is simple and easy to operate so as to solve the problems of arc damage, complex mechanical interlocking structure and high failure rate caused by the asynchronous movement of the traditional opening and closing mechanism of the existing switch. In order to achieve the aim, the high-voltage switch linkage opening and closing mechanism is realized through the following technical scheme that the high-voltage switch linkage opening and closing mechanism comprises a mounting frame for equipment fixing, wherein a power mechanism for opening and closing is fixedly connected to the front side of the mounting frame, and a connecting structure for connecting the opening and closing is movably connected to the right side of the power mechanism; The rear side fixedly connected with divide-shut brake structure of connection structure, the equal swing joint in both sides of divide-shut brake structure has binding post, binding post's quantity is three group, binding post's bottom and the top fixed connection of mounting bracket. Further, the power mechanism comprises a servo motor, the output end of the servo motor is fixedly connected with a screw rod, the surface of the screw rod is in threaded connection with a screw sleeve, the surface of the screw sleeve is fixedly connected with a movable shell, the right side of the movable shell is fixedly connected with a connecting structure, the surface of the servo motor is fixedly connected with a fixing frame, and the rear side of the fixing frame is fixedly connected with the front side of the mounting frame. Further, connection structure includes the hexagon socket, the surface of divide-shut brake structure is located to hexagon socket cover, hexagon socket's bottom fixedly connected with connecting plate, the inside swing joint of connecting plate has the fixed axle, the fixed axle the surface fixedly connected with sleeve pipe, sheathed tube surface and the inside swing joint of connecting plate, sheathed tube left side and the right side fixed connection of mount. Further, divide-shut brake structure includes the hexagonal block, the hexagonal block is located hexagonal sleeve's inside, the rear side fixedly connected with transmission shaft of hexagonal block, the rear side of transmission shaft runs through the mounting bracket and extends to the inside of mounting bracket, the fixed surface of transmission shaft is connected with the head rod, the top of head rod has the second connecting rod through first pivot swing joint, the top of second connecting rod has the contact rod through second pivot swing joint, the left side of contact rod has fixed joint through third pivot swing joint, fixed joint and left side binding post fixed connection, the right