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CN-224217453-U - Quick grounding switch mechanism with electromagnetic release

CN224217453UCN 224217453 UCN224217453 UCN 224217453UCN-224217453-U

Abstract

The utility model relates to the technical field of quick grounding switches, in particular to a quick grounding switch mechanism with an electromagnetic release. An output transmission shaft is arranged on the bottom plate of the frame, one end of the output transmission shaft is fixed with a middle rotation shaft, a turbine, a transmission stop block and a crank are sequentially arranged on the middle rotation shaft from the position close to the bottom plate of the frame, one side of the turbine is matched with a worm, the worm and the turbine are in meshed transmission, one end of the worm is connected with the output end of a motor, one end of the crank is fixedly connected with one end of a telescopic connecting rod through a bolt, the telescopic connecting rod is sleeved with an energy storage spring, the other end of the telescopic connecting rod is provided with one end of a fixed column, the other end of the fixed column is fixed on a bottom plate of a rack below the turbine, and an electromagnetic release is arranged on a panel of the rack. Compared with the prior art, the quick grounding switch is not released after energy storage, is controlled to be closed by an electric signal, is better suitable for complex and changeable working conditions and test scenes, and meets the differentiation requirements under different conditions.

Inventors

  • Luo Ruikang
  • WU HAO
  • LIU JINGBO

Assignees

  • 上海西电高压开关有限公司

Dates

Publication Date
20260508
Application Date
20250430

Claims (6)

  1. 1. The quick grounding switch mechanism with the electromagnetic release comprises a frame bottom plate (1), a support column (2) and a frame panel (3), wherein the frame bottom plate (1) is fixedly connected with the frame panel (3) through the support column (2), and is characterized in that an output transmission shaft (4) is arranged on the frame bottom plate (1), one end of the output transmission shaft (4) is fixedly provided with an intermediate rotation shaft (5), a turbine (8), a transmission stop block (6) and a crank (7) are sequentially arranged on the intermediate rotation shaft (5) from a position close to the frame bottom plate (1), one side of the turbine (8) is matched with a worm (9), the worm (9) and the turbine (8) are in meshed transmission, one end of the worm (9) is connected with the output end of a motor (10), one end of the crank (7) is fixedly connected with one end of a telescopic connecting rod (12), an energy storage spring (13) is sleeved on the telescopic connecting rod (12), the other end of the telescopic connecting rod is provided with a fixing column (11), the other end of the fixing column is fixedly arranged on the frame bottom plate (1) below the turbine (8), and the electromagnetic release (16) is arranged on the frame panel (3).
  2. 2. The quick ground switch mechanism with an electromagnetic release according to claim 1, wherein the other end of the output transmission shaft (4) penetrates through the bottom plate (1) of the frame.
  3. 3. The quick ground switch mechanism with an electromagnetic release according to claim 1, wherein the motor (10) is fixed on the chassis base plate (1).
  4. 4. The quick ground switch mechanism with an electromagnetic release according to claim 1, wherein one side of the transmission stop block (6) abuts against one side of the bolt (14).
  5. 5. The quick grounding switch mechanism with the electromagnetic release according to claim 1, wherein the crank (7) is provided with a contact plate (15), and the contact plate (15) is L-shaped.
  6. 6. The quick grounding switch mechanism with the electromagnetic release is characterized in that the electromagnetic release (16) comprises a shell (17), an iron core (18), a limiting shaft (19), a coil (20), a limiting cushion block (21), limiting plates (22) and springs (23), two ends of the shell (17) are fixed on a frame panel (3) through bolts, the iron core (18) is fixed on the inner side of the shell (17) through bolts, the limiting shaft (19) is arranged in the center of the iron core (18), the coil (20) is arranged on the outer side of the limiting shaft (19), the limiting cushion block (21) and the limiting plates (22) are sequentially sleeved on one side of the limiting shaft (19), one end of the limiting shaft (19) penetrates through the frame panel (3), the other end of the limiting shaft (19) penetrates through the shell (17), and the springs (23) are sleeved on the middle section of the limiting shaft (19).

Description

Quick grounding switch mechanism with electromagnetic release Technical Field The utility model relates to the technical field of quick grounding switches, in particular to a quick grounding switch mechanism with an electromagnetic release. Background The fast grounding switch is an important component of a gas insulated metal enclosed switchgear (GIS), and is generally configured outside an outgoing line isolation switch of an outgoing line loop and close to a line terminal. The device has the functions of maintaining and grounding when the GIS normally operates and closing short-circuit current when the GIS breaks down, and can rapidly ground equipment or lines when the power grid breaks down, limit overvoltage, prevent equipment damage and ensure personnel safety. With the development of technology, the requirements of the power system on the reliability and stability of the rapid grounding structure are continuously improved. How to meet the requirements of energy storage and effective combination of the fast grounding switch and the related electric signals, and better adapt to the differentiation requirements under different conditions is a problem to be solved. Disclosure of utility model The utility model provides a quick grounding switch mechanism with an electromagnetic release, which aims to overcome the defects of the prior art and comprises a frame bottom plate, a support column and a frame panel, wherein the frame bottom plate is fixedly connected with the frame panel through the support column, an output transmission shaft is arranged on the frame bottom plate, one end of the output transmission shaft is fixedly provided with a middle rotating shaft, a turbine, a transmission stop block and a crank are sequentially arranged on the middle rotating shaft from a position close to the frame bottom plate, one side of the turbine is matched with a worm, the worm and the turbine are in meshed transmission, one end of the worm is connected with the output end of a motor, one end of the crank is fixedly connected with one end of a telescopic connecting rod through a bolt, an energy storage spring is sleeved on the telescopic connecting rod, the other end of the telescopic connecting rod is provided with one end of a fixed column, the other end of the fixed column is fixed on the frame bottom plate below the turbine, and the electromagnetic release is arranged on the frame panel. The other end of the output transmission shaft penetrates through the bottom plate of the frame. One side of the transmission stop block is propped against one side of the bolt. The crank is provided with a contact plate which is L-shaped. The motor is fixed on the bottom plate of the frame. The electromagnetic release comprises a shell, an iron core, a limiting shaft, a coil, a limiting cushion block, a limiting plate and a spring, wherein two ends of the shell are fixed on a frame panel through bolts, the iron core is fixed on the inner side of the shell through bolts, the center of the iron core is provided with the limiting shaft, the outer side of the limiting shaft is provided with the coil, one side of the limiting shaft is sequentially sleeved with the limiting cushion block and the limiting plate, one end of the limiting shaft penetrates through the frame panel, the other end of the limiting shaft penetrates through the shell, and the middle section of the limiting shaft is sleeved with the spring. Compared with the prior art, the utility model realizes the condition requirement that the quick grounding switch is not released after storing energy and is controlled to be closed by an electric signal, and endows the quick grounding switch with more accurate and flexible operation control capability, so that the quick grounding switch can better adapt to complex and changeable working conditions and test scenes, and meets the differentiation requirement on quick grounding operation under different situations. Drawings FIG. 1 is a schematic diagram of a fast ground switch mechanism; FIG. 2 is a schematic diagram of a fast ground switch mechanism; FIG. 3 is a schematic diagram of an intermediate layer structure of the fast ground switch mechanism; FIG. 4 is a schematic diagram of the structure at the crank; FIG. 5 is a schematic diagram of an electromagnetic trip; FIG. 6 is a schematic view of a ground switch mechanism; Referring to fig. 1, a frame bottom plate, 2, a support column, 3, a frame panel, 4, an output transmission shaft, 5, an intermediate rotation shaft, 6, a transmission stop block, 7, a crank, 8, a turbine, 9, a worm, 10, a motor, 11, a fixed column, 12, a telescopic connecting rod, 13, an energy storage spring, 14, a bolt, 15, a contact plate, 16, an electromagnetic trip, 17, a shell, 18, an iron core, 19, a limiting shaft, 20, a coil, 21, a limiting cushion block, 22, a limiting plate, 23 and a spring. Detailed Description The utility model is further described below with reference to the accompanying draw