A high-voltage switch operating mechanism

Abstract

The application relates to the technical field of circuit breaker interlocking mechanisms, and discloses a high-voltage switch operating mechanism which comprises a box body, an opening and closing mechanism is arranged in the inner cavity of the box body; the opening and closing mechanism comprises an opening and closing support, a closing shaft is arranged on the inner wall of one end of the opening and closing support, a closing wheel is movably sleeved on the outer edge of the closing shaft, and a mounting support is fixedly assembled at the end of the opening and closing support which is far away from the closing shaft. Through the arrangement of the opening and closing support, the adjusting block and the connecting support, the opening and closing support can push the adjusting block and the connecting support upwards to complete closing, and meanwhile, the supporting spring is stretched; when the supporting force of the connecting support disappears, the opening and closing is completed through the pulling force of the supporting spring and the force instantaneously released by the opening and closing spring; the structure is completely exposed in the visual field of a person, the mechanism fault can be quickly found and repaired, and the problem that the thickness of the existing high-voltage switch operating mechanism is relatively large, many structures need to be disassembled during maintenance, and the maintenance time is increased is solved.

Description

Technical Field

[0001] This invention relates to the field of circuit breaker interlocking mechanism technology, specifically a high-voltage switch operating mechanism. Background Technology

[0002] Operating mechanisms are the core devices for the mechanical operation of high-voltage switchgear in the field of electrical engineering. Their core functions include precisely controlling the opening and closing actions of circuit breakers and maintaining a stable closed state. Based on the difference in power source, they can be divided into four categories: electromagnetic, spring, hydraulic, and pneumatic. Among them, the hydraulic type uses high-pressure hydraulic oil to achieve efficient closing. This device is widely used in high-voltage disconnecting switch operation, intelligent circuit breaker disconnection control, and dual power supply conversion systems.

[0003] The existing high-voltage switch operating mechanism has many interconnected linkage mechanisms, some in front and some behind. These linkage mechanisms need to be connected by connecting pins. When the connecting pins are used for a long time, they will wear out and the worn pins will detach from the two connecting mechanisms. When maintenance is carried out, many structures need to be disassembled, which will increase the maintenance time. Summary of the Invention

[0004] This invention provides a high-voltage switch operating mechanism that solves the problems mentioned in the background art.

[0005] The present invention provides the following technical solution: a high-voltage switch operating mechanism, including a housing, an opening and closing mechanism provided in the inner cavity of the housing, and an A-phase movable line, a B-phase movable line and a C-phase movable line provided on the back of the housing. The A-phase movable line, the B-phase movable line and the C-phase movable line are all connected to the opening and closing mechanism. The opening and closing mechanism is mounted on a fixed bracket, and the fixed bracket is mounted on the housing. The splitting and joining mechanism includes a splitting and joining bracket. A joining shaft is installed on the inner wall of one end of the splitting and joining bracket. A joining wheel is movably sleeved on the outer edge of the joining shaft. A mounting bracket is fixedly assembled at the end of the splitting and joining bracket away from the joining shaft. A splitting shaft is installed on the inner wall of the mounting bracket. A splitting wheel is movably sleeved on the outer edge of the splitting shaft. An adjusting block is provided at the bottom of the splitting and joining bracket. A connecting bracket is installed on the top of the adjusting block. A guide groove is opened on the outer wall of the adjusting block. The A-phase moving line, the B-phase moving line, and the C-phase moving line are all installed on the connecting bracket.

[0006] As a preferred embodiment of the present invention, the outer wall of the adjusting block is provided with a closing groove, and the outer edge of the guide groove is provided with a dividing groove.

[0007] As a preferred embodiment of the present invention, a top limiting rod is installed at the bottom of the connecting bracket, a bottom limiting cylinder is slidably connected to the outer wall of the top limiting rod, a support spring is movably sleeved on the outer wall of the top limiting rod, the support spring is installed on the connecting bracket and the bottom limiting cylinder, and a support plate is installed on the outer wall of the fixed bracket.

[0008] As a preferred embodiment of the present invention, the outer wall of the splitting and joining bracket is slidably connected to a right positioning bracket, and a left positioning bracket is installed on the left side of the right positioning bracket. The splitting and joining bracket is slidably connected to the left positioning bracket, and the right positioning bracket and the left positioning bracket are fixedly assembled on a fixed bracket.

[0009] As a preferred embodiment of the present invention, a top connecting shaft is installed on the inner wall of the fixed bracket, a limiting frame is installed in the middle of the top connecting shaft, a slider is installed on the inner wall of the limiting frame, a sliding rod is slidably connected to the inner wall of the slider, a middle connecting shaft is movably connected to the inner wall of the sliding rod away from the slider, a connecting rod is movably connected to the outer edge of the middle connecting shaft, the connecting rod is installed on the fixed bracket through a bottom connecting shaft, the connecting rod is movably connected to the bottom connecting shaft, and the middle connecting shaft is movably connected to the splitting bracket.

[0010] As a preferred embodiment of the present invention, the outer edge of the slide rod is movably sleeved with a spring for opening and closing, the bottom of the limiting frame is equipped with a top support plate, the outer edge of the slide rod is fixedly equipped with a bottom support plate, and the spring for opening and closing is located between the top support plate and the bottom support plate.

[0011] As a preferred embodiment of the present invention, the top connecting shaft and the bottom connecting shaft are on the same vertical line, the bottom connecting shaft, the right positioning bracket, the left positioning bracket and the splitting bracket have the same center, and a handle is fixedly mounted on the outer edge of the middle connecting shaft.

[0012] As a preferred embodiment of the present invention, the distance between the top of the right positioning bracket and the top of the left positioning bracket and the top connecting shaft is the same, and the length of the right positioning bracket is longer than the length of the left positioning bracket.

[0013] As a preferred embodiment of the present invention, the inner wall of the box is provided with a vertical groove, and the connecting bracket passes through the vertical groove.

[0014] As a preferred embodiment of the present invention, an A-phase arc-extinguishing shell is slidably connected to the outer edge of the A-phase movable line, and an A-phase fixed line is installed on the top of the A-phase arc-extinguishing shell; a B-phase arc-extinguishing shell is slidably connected to the outer edge of the B-phase movable line, and a B-phase fixed line is installed on the top of the B-phase arc-extinguishing shell; a C-phase arc-extinguishing shell is slidably connected to the outer edge of the C-phase movable line, and a C-phase fixed line is installed on the top of the C-phase arc-extinguishing shell; the A-phase, B-phase, and C-phase arc-extinguishing shells are all mounted on the housing.

[0015] The present invention has the following beneficial effects: 1. This high-voltage switch operating mechanism, through the setting of the opening and closing bracket, adjusting block and connecting bracket, can push the adjusting block and connecting bracket upward to complete the closing, and at the same time stretch the support spring. When the support force of the connecting bracket disappears, the opening is completed by the tension of the support spring and the instantaneous release force of the opening and closing spring. This structure is completely exposed to the viewer, which is convenient for quickly finding the mechanism fault and repairing it. This solves the problem that the existing high-voltage switch operating mechanism is thick and requires the disassembly of many structures during maintenance, which increases the maintenance time.

[0016] 2. The high-voltage switch operating mechanism, through the setting of the switching bracket, the switching wheel and the adjusting block, can move the adjusting block and the connecting bracket downward when the switching bracket and the switching wheel rotate. When the switching bracket rotates and drives the switching wheel into the slot on the adjusting block, the adjusting block is positioned, so that the support spring on this device can be tripped when it is damaged.

[0017] 3. This high-voltage switch operating mechanism compresses the opening and closing springs by forming a vertical line with the slide rod, middle connecting shaft, connecting rod, top connecting shaft, and bottom connecting shaft. When the connection point between the slide rod and the connecting rod deviates, the compressed spring force is released instantaneously, causing the middle connecting shaft to rotate around the bottom connecting shaft. When the middle connecting shaft rotates, it drives the opening and closing brackets to rotate in the left and right positioning brackets. The force of the rotation of the opening and closing brackets is used to open and close the circuit breaker. This reduces the number of cam mechanisms in the device, minimizes equipment wear, and greatly increases the service life of the equipment. Attached Figure Description

[0018] Figure 1 This is a frontal perspective view of the present invention; Figure 2 This is a three-dimensional structural diagram of the back of the present invention; Figure 3 This is a schematic diagram of the closed state structure of the present invention; Figure 4 This is a schematic diagram of the split-and-assemble support structure of the present invention; Figure 5 This is a schematic diagram of the tripping state structure of the present invention; Figure 6 This is a schematic diagram of the adjusting block structure of the present invention; Figure 7 This is a schematic cross-sectional view of the circuit breaker in the tripped state of the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram at point A in the diagram; Figure 9 This is a schematic cross-sectional view of the closed state of the present invention; Figure 10 For the present invention Figure 9 A magnified structural diagram at point B in the diagram.

[0019] In the diagram: 1. Housing; 2. Separation and connection mechanism; 3. Phase A fixed line; 4. Phase A arc-extinguishing shell; 5. Phase A movable line; 6. Phase B fixed line; 7. Phase B arc-extinguishing shell; 8. Phase B movable line; 9. Phase C fixed line; 10. Phase C arc-extinguishing shell; 11. Phase C movable line; 12. Fixed bracket; 13. Vertical slot; 201. Split / Open Bracket; 202. Open Shaft; 203. Open Wheel; 204. Mounting Bracket; 205. Split Shaft; 206. Split Wheel; 207. Adjusting Block; 208. Opening Groove; 209. Guide Groove; 210. Split Groove; 211. Connecting Bracket; 212. Right Positioning Bracket; 213. Left Positioning Bracket; 214. Bottom Limiting Cylinder; 215. Support Spring; 216. Top Limiting Rod; 217. Support Plate; 218. Top Connecting Shaft; 219. Slide Rod; 220. Bottom Support Plate; 221. Slider; 222. Limiting Frame; 223. Top Support Plate; 224. Split / Open Spring; 225. Middle Connecting Shaft; 226. Connecting Rod; 227. Bottom Connecting Shaft; 228. Handle. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figures 1-10 A high-voltage switch operating mechanism includes a housing 1. The inner cavity of the housing 1 is provided with a switching mechanism 2. The back of the housing 1 is provided with an A-phase movable line 5, a B-phase movable line 8 and a C-phase movable line 11. The A-phase movable line 5, the B-phase movable line 8 and the C-phase movable line 11 are all connected to the switching mechanism 2. The switching mechanism 2 is mounted on a fixed bracket 12, and the fixed bracket 12 is mounted on the housing 1. In the above structure, the operation of the switching mechanism 2 can drive the A-phase moving line 5, B-phase moving line 8 and C-phase moving line 11 to move up and down. The upward movement of the A-phase moving line 5, B-phase moving line 8 and C-phase moving line 11 is closing the circuit, and the downward movement of the A-phase moving line 5, B-phase moving line 8 and C-phase moving line 11 is opening the circuit. The fixed bracket 12 is the main support inside the housing 1. The switching mechanism 2 is installed on the fixed bracket 12, so that the switching mechanism 2 can operate stably.

[0022] The splitting and joining mechanism 2 includes a splitting and joining bracket 201. A joining shaft 202 is installed on the inner wall of one end of the splitting and joining bracket 201. A joining wheel 203 is movably sleeved on the outer edge of the joining shaft 202. A mounting bracket 204 is fixedly assembled at the end of the splitting and joining bracket 201 away from the joining shaft 202. A splitting shaft 205 is installed on the inner wall of the mounting bracket 204. A splitting wheel 206 is movably sleeved on the outer edge of the splitting shaft 205. An adjusting block 207 is provided at the bottom of the splitting and joining bracket 201. A connecting bracket 211 is installed on the top of the adjusting block 207. A guide groove 209 is opened on the outer wall of the adjusting block 207. Phase A movable line 5, phase B movable line 8 and phase C movable line 11 are all installed on the connecting bracket 211.

[0023] In the above structure, by rotating the switching bracket 201 clockwise, the closing wheel 203 on the switching bracket 201 comes into contact with the adjusting block 207. Gradually, the closing wheel 203 slides from the outer wall of the adjusting block 207 into the closing groove 208. At this time, the adjusting block 207 and the connecting bracket 211 are pushed upward. The upward movement of the connecting bracket 211 will drive the A-phase movable line 5, the B-phase movable line 8, and the C-phase movable line 11 to move upward, thus completing the closing. When the switching bracket 201 rotates counterclockwise, the closing wheel 203 gradually stops contacting the adjusting block 207, so that the connecting bracket 211 is no longer supported. Then, the adjusting block 207 and the connecting bracket 211 move downward through the opening wheel 206 on the switching bracket 201. At this time, the downward movement of the connecting bracket 211 can drive the A-phase movable line 5, the B-phase movable line 8, and the C-phase movable line 11 to move downward, thus completing the opening.

[0024] In a preferred embodiment: the outer wall of the adjusting block 207 is provided with a connecting groove 208, and the outer edge of the guide groove 209 is provided with a dividing groove 210.

[0025] In the above structure, with the closing slot 208, when the closing wheel 203 on the closing / splitting bracket 201 enters the closing slot 208, the closing / splitting bracket 201 needs to be rotated forcefully to disengage the closing wheel 203 from the closing slot 208. The closing wheel 203 will produce a sound when it enters the closing slot 208, which can prompt the operator to complete the closing. With the opening slot 210, when the opening wheel 206 on the closing / splitting bracket 201 enters the opening slot 210, the closing / splitting bracket 201 also needs to be rotated forcefully to disengage the opening wheel 206 from the opening slot 210. The opening wheel 206 will produce a sound when it enters the opening slot 210, which can prompt the operator to complete the opening.

[0026] In a preferred embodiment: a top limiting rod 216 is installed at the bottom of the connecting bracket 211, a bottom limiting cylinder 214 is slidably connected to the outer wall of the top limiting rod 216, a support spring 215 is movably sleeved on the outer wall of the top limiting rod 216, the support spring 215 is installed on the connecting bracket 211 and the bottom limiting cylinder 214, and a support plate 217 is installed on the outer wall of the fixed bracket 12.

[0027] In the above structure, through the setting of the bottom limiting cylinder 214 and the top limiting rod 216, when the connecting bracket 211 moves up and down, the connecting bracket 211 will drive the top limiting rod 216 to slide in the bottom limiting cylinder 214. The bottom limiting cylinder 214 limits the top limiting rod 216 and the connecting bracket 211, so that the connecting bracket 211 can only move up and down. Therefore, the adjusting block 207 installed on the connecting bracket 211 also moves up and down. Through the setting of the support spring 215, the support spring 215 is in a compressed state before closing. During the closing process, the dividing wheel 206 will gradually disengage from the dividing groove 210. During the swing of the connecting rod 226 to the right, the elastic force of the support spring 215 will cause the connecting bracket 211 to move upward. Then, through the instantaneous release of the closing spring 224, the adjusting block 207 and the connecting bracket 211 move upward. When the frame 211 moves upward, the closing wheel 203 is positioned in the closing groove 208. The closing wheel 203 causes the adjusting block 207 to move upward, which in turn causes the connecting bracket 211 to move upward, stretching the support spring 215. The tension of the support spring 215 pulls the connecting bracket 211 downward, causing the closing wheel 203 to engage in the closing groove 208. The closing wheel 203's obstruction of the adjusting block 207 prevents the adjusting block 207 and the connecting bracket 211 from moving downward, thus completing the closing operation. When the circuit is opened, the closing wheel 203 disengages from the closing groove 208, and then the connecting rod 226 swings to the left, causing the tension of the support spring 215 to move the connecting bracket 211 downward. The instantaneous release of the closing and opening springs 224 causes the opening wheel 206 to push the adjusting block 207 and the connecting bracket 211 downward, compressing the support spring 215 and completing the opening operation.

[0028] In a preferred embodiment: a right positioning bracket 212 is slidably connected to the outer wall of the splitting bracket 201, and a left positioning bracket 213 is installed on the left side of the right positioning bracket 212. The splitting bracket 201 and the left positioning bracket 213 are slidably connected, and the right positioning bracket 212 and the left positioning bracket 213 are fixedly assembled on the fixed bracket 12.

[0029] In the above structure, the right positioning bracket 212 and the left positioning bracket 213 can position the splitting bracket 201, allowing the splitting bracket 201 to rotate between the right positioning bracket 212 and the left positioning bracket 213. Therefore, the splitting wheel 206 and the joining wheel 203 at both ends of the splitting bracket 201 can contact the adjusting block 207, improving the rationality of the device. At the same time, it can also limit the swing angle of the slide rod 219.

[0030] In a preferred embodiment: a top connecting shaft 218 is installed on the inner wall of the fixed bracket 12, a limit frame 222 is installed in the middle of the top connecting shaft 218, a slider 221 is installed on the inner wall of the limit frame 222, a slider rod 219 is slidably connected to the inner wall of the slider 221, a middle connecting shaft 225 is movably connected to the inner wall of the end of the slider rod 219 away from the slider 221, a connecting rod 226 is movably connected to the outer edge of the middle connecting shaft 225, the connecting rod 226 is installed on the fixed bracket 12 through a bottom connecting shaft 227, the connecting rod 226 is movably connected to the bottom connecting shaft 227, and the middle connecting shaft 225 is movably connected to the split bracket 201.

[0031] In the above structure, by setting the slider 221, when the connecting rod 226 rotates, the connecting rod 226 will drive the middle connecting shaft 225, the slide rod 219 and the splitting bracket 201 to rotate. Since the position of the top connecting shaft 218 is fixed, when the connecting rod 226 and the slide rod 219 gradually form a straight line with the top connecting shaft 218, the slide rod 219 will slide in the slider 221, and the connecting rod 226 will rotate on the bottom connecting shaft 227. The bottom connecting shaft 227 limits the connecting rod 226, and the bottom connecting shaft 227 is also in a fixed state.

[0032] In a preferred embodiment: a closing spring 224 is movably sleeved on the outer edge of the slide rod 219, a top support plate 223 is installed at the bottom of the limiting frame 222, a bottom support plate 220 is fixedly mounted on the outer edge of the slide rod 219, and the closing spring 224 is located between the top support plate 223 and the bottom support plate 220.

[0033] In the above structure, the connecting rod 226 rotates to drive the slide rod 219 to slide in the slider 221. When the slide rod 219, the middle connecting shaft 225 and the connecting rod 226 are in the same straight line, the split spring 224 is compressed. When the middle connecting shaft 225 shifts to one side of the top connecting shaft 218, the compressed force of the split spring 224 is released instantaneously. The elastic force of the split spring 224 drives the connecting rod 226, the slide rod 219 and the top connecting shaft 218 to rotate. At the same time, the slide rod 219 slides in the slider 221. The top support plate 223 and the bottom support plate 220 support the split spring 224, so that the split spring 224 is confined in the specified space.

[0034] In a preferred embodiment: the top connecting shaft 218 and the bottom connecting shaft 227 are on the same vertical line, the bottom connecting shaft 227, the right positioning bracket 212, the left positioning bracket 213 and the split bracket 201 have the same center, and the middle connecting shaft 225 is fixedly fitted with a handle 228 on its outer edge.

[0035] In the above structure, by setting the top connecting shaft 218 and the bottom connecting shaft 227 on the same vertical line, the slide rod 219 and the connecting rod 226 can be on the same vertical line as the top connecting shaft 218 and the bottom connecting shaft 227. When the slide rod 219, the connecting rod 226, the top connecting shaft 218, and the bottom connecting shaft 227 are on the same vertical line, the spring 224 on the slide rod 219 can be vertically compressed. When the slide rod 219 is slightly rotated to the left, the spring 224 is released. At this time, the angle between the slide rod 219 and the connecting rod 226 changes from a straight angle to an obtuse angle, and the included angle between the slide rod 219 and the connecting rod 226 points to the right. When the slide rod 219 is slightly rotated to the right, the spring 224 is released, allowing the slide rod 219 to... The angle between slide rod 219 and connecting rod 226 changes from a straight angle to an obtuse angle, and the included angle between slide rod 219 and connecting rod 226 points to the left, improving the rationality of the device. By setting the bottom connecting shaft 227, right positioning bracket 212, left positioning bracket 213 and splitting bracket 201 at the same center, the connecting rod 226 rotates on the bottom connecting shaft 227. The rotation of the connecting rod 226 drives the middle connecting shaft 225 to rotate. The middle connecting shaft 225 rotates around the central track of the left positioning bracket 213 and the right positioning bracket 212. When the middle connecting shaft 225 rotates, it can push the splitting bracket 201 to rotate in the right positioning bracket 212 and the left positioning bracket 213. The splitting bracket 201 rotates around the middle connecting shaft 225.

[0036] In a preferred embodiment, the distance between the top of the right positioning bracket 212 and the top of the left positioning bracket 213 and the top connecting shaft 218 is the same, and the length of the right positioning bracket 212 is longer than the length of the left positioning bracket 213.

[0037] In the above structure, when the device is closing or opening, the right positioning bracket 212 and the left positioning bracket 213 can limit the connecting rod 226 and the sliding rod 219. When opening, the sliding rod 219 and the connecting rod 226 will contact the left positioning bracket 213, and at the same time, the closing wheel 203 will contact the right positioning bracket 212. The left positioning bracket 213 limits the sliding rod 219 and the connecting rod 226. At this time, the dispensing wheel 206 is just located on the dispensing groove 210 in the adjusting block 207. During this process, the adjusting block 207 and the connecting bracket 211 move downward. The dispensing wheel 206 and the opening / closing bracket 201 support the adjusting block 207 and the connecting bracket 211, so that the adjusting block 207 and the connecting bracket 211 cannot move upwards, improving stability during opening and preventing slide rod 219 from disengaging from slider 221. During closing, slide rod 219 and connecting rod 226 come into contact with right-side positioning bracket 212, which limits slide rod 219 and connecting rod 226. At this time, closing wheel 203 is located on closing groove 208 in adjusting block 207. During this process, adjusting block 207 and connecting bracket 211 move upwards. The opening wheel 206 and opening / closing bracket 201 support adjusting block 207 and connecting bracket 211, preventing them from moving downwards, thus improving stability during closing and preventing slide rod 219 from disengaging from slider 221.

[0038] In a preferred embodiment: the inner wall of the housing 1 is provided with a vertical groove 13, and the connecting bracket 211 passes through the vertical groove 13.

[0039] In the above structure, the vertical groove 13 is designed so that the contact points between the connecting bracket 211 and the A-phase movable line 5, B-phase movable line 8 and C-phase movable line 11 are located at the rear of the housing 1. This allows the points where the A-phase movable line 5, B-phase movable line 8 and C-phase movable line 11 are connected to the connecting bracket 211 to be inspected and maintained from the rear. Meanwhile, the maintenance of the splitting and connecting mechanism 2 can be performed from the front of the housing 1. At the same time, the up and down movement of the connecting bracket 211 will take place in the vertical groove 13.

[0040] In a preferred embodiment: the outer edge of the A-phase movable line 5 is slidably connected to the A-phase arc extinguishing shell 4, and the top of the A-phase arc extinguishing shell 4 is equipped with the A-phase fixed line 3; the outer edge of the B-phase movable line 8 is slidably connected to the B-phase arc extinguishing shell 7, and the top of the B-phase arc extinguishing shell 7 is equipped with the B-phase fixed line 6; the outer edge of the C-phase movable line 11 is slidably connected to the C-phase arc extinguishing shell 10, and the top of the C-phase arc extinguishing shell 10 is equipped with the C-phase fixed line 9; the A-phase arc extinguishing shell 4, the B-phase arc extinguishing shell 7, and the C-phase arc extinguishing shell 10 are all installed on the housing 1.

[0041] In the above structure, the upward movement of the connecting bracket 211 causes the A-phase movable line 5, B-phase movable line 8, and C-phase movable line 11 to move upward. When these three lines move upward, they can contact the A-phase fixed line 3, B-phase fixed line 6, and C-phase fixed line 9, thus completing the closing process. The A-phase movable line 5, B-phase movable line 8, and C-phase movable line 11 slide on the A-phase arc-extinguishing shell 4, B-phase arc-extinguishing shell 7, and C-phase arc-extinguishing shell 10. When the connecting bracket 211 moves downward... The motor drives the A-phase movable line 5, B-phase movable line 8, and C-phase movable line 11 downwards. The downward movement of the A-phase movable line 5, B-phase movable line 8, and C-phase movable line 11 can separate them from the A-phase fixed line 3, B-phase fixed line 6, and C-phase fixed line 9, thus completing the circuit breaker tripping. The A-phase arc extinguishing shell 4, B-phase arc extinguishing shell 7, and C-phase arc extinguishing shell 10 can extinguish the arc between the A-phase fixed line 3 and the A-phase movable line 5, the B-phase fixed line 6 and the B-phase movable line 8, and the C-phase fixed line 9 and the C-phase movable line 11.

[0042] Working principle: During use, when closing the circuit breaker is required, the handle 228 is gripped and rotated clockwise. This clockwise rotation causes the opening / closing bracket 201 and connecting rod 226 to rotate on the bottom connecting shaft 227. At this time, the opening / closing bracket 201 rotates between the right positioning bracket 212 and the left positioning bracket 213. When the sliding rod 219, the middle connecting shaft 225, the connecting rod 226, and the bottom connecting shaft 227 are on the same vertical line, the opening / closing spring 224 is compressed. As the opening / closing bracket 201 continues to rotate towards the right positioning bracket 212, the middle connecting shaft 225 will shift. Since there is no support point at the end of the middle connecting shaft 225, the compressed elastic force of the opening / closing spring 224 will be released instantaneously. When the top connecting shaft 218 rotates on the fixed bracket 12, the slide rod 219 slides in the slider 221. Gradually, the slide rod 219 and the connecting rod 226 will come into contact with the right positioning bracket 212. The right positioning bracket 212 limits the slide rod 219 and the connecting rod 226. The force released by the opening and closing spring 224 will drive the middle connecting shaft 225 and the opening and closing bracket 201 to rotate. When the opening and closing bracket 201 rotates, it will cause the closing wheel 203 to rotate. The closing wheel 203 will roll on the outer wall of the adjusting block 207. The closing wheel 203 can move the adjusting block 207 upward. The upward movement of the adjusting block 207 will drive the connecting bracket 211 to move upward. The upward movement of the connecting bracket 211 will stretch the support spring 215. 11 drives the A-phase movable line 5, B-phase movable line 8, and C-phase movable line 11 upwards, allowing them to contact the A-phase fixed line 3, B-phase fixed line 6, and C-phase fixed line 9, thus completing the closing operation. When opening the circuit, the handle 228 is rotated counterclockwise. This counterclockwise rotation causes the closing / opening bracket 201 and connecting rod 226 to rotate on the bottom connecting shaft 227. The closing / opening bracket 201 then rotates between the right-side positioning bracket 212 and the left-side positioning bracket 213, gradually aligning the slide rod 219, the middle connecting shaft 225, the connecting rod 226, and the bottom connecting shaft 227 on the same vertical line. At this point, the closing / opening spring 224 is compressed. When the closing / opening bracket 201 continues... As the device continues to rotate towards the left positioning bracket 213, the middle connecting shaft 225 will shift towards the left positioning bracket 213. Since there is no support point at the end of the middle connecting shaft 225, the compressed elastic force of the split spring 224 will be released instantaneously. At this time, the top connecting shaft 218 rotates on the fixed bracket 12, and the slide rod 219 slides in the slider 221. Gradually, the slide rod 219 and the connecting rod 226 will come into contact with the left positioning bracket 213. The left positioning bracket 213 limits the slide rod 219 and the connecting rod 226. The force released by the split spring 224 will drive the middle connecting shaft 225 and the split bracket 201 to rotate. At this time, the closing wheel 203 and the adjusting block 207 will separate from each other, and the separating wheel 206 will gradually enter the dividing groove 210.As the connecting bracket 211 moves downward, the dividing wheel 206, entering the dividing slot 210, causes the connecting bracket 211 to move downward. This downward movement of the connecting bracket 211 drives the A-phase movable line 5, B-phase movable line 8, and C-phase movable line 11 downward. Therefore, these lines can separate from the A-phase fixed line 3, B-phase fixed line 6, and C-phase fixed line 9, completing the circuit breaker opening. When the opening / closing bracket 201 rotates, it causes the dividing wheel 206 to rotate. The dividing wheel 206 rolls on the guide slot 209, allowing the adjusting block 207 to continue moving downward. When the dividing wheel 206 is in the dividing slot 210, the adjusting block 207 is positioned, requiring force to rotate the handle 228 to disengage the dividing wheel 206 from the dividing slot 210.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-voltage switch operating mechanism, comprising a housing (1), characterized in that: The inner cavity of the box (1) is provided with a splitting and connecting mechanism (2). The back of the box (1) is provided with an A-phase movable line (5), a B-phase movable line (8) and a C-phase movable line (11). The A-phase movable line (5), the B-phase movable line (8) and the C-phase movable line (11) are all connected to the splitting and connecting mechanism (2). The splitting and connecting mechanism (2) is installed on a fixed bracket (12). The fixed bracket (12) is installed on the box (1). The splitting and joining mechanism (2) includes a splitting and joining bracket (201). A joining shaft (202) is installed on the inner wall of one end of the splitting and joining bracket (201). A joining wheel (203) is movably sleeved on the outer edge of the joining shaft (202). A mounting bracket (204) is fixedly assembled on the end of the splitting and joining bracket (201) away from the joining shaft (202). A split shaft (205) is installed on the inner wall of the mounting bracket (204). A split wheel (206) is movably sleeved on the outer edge of the split shaft (205). An adjusting block (207) is provided at the bottom of the splitting and joining bracket (201). A connecting bracket (211) is installed on the top of the adjusting block (207). A guide groove (209) is opened on the outer wall of the adjusting block (207). The A-phase moving line (5), the B-phase moving line (8), and the C-phase moving line (11) are all installed on the connecting bracket (211). The bottom of the connecting bracket (211) is equipped with a top limiting rod (216), and the outer wall of the top limiting rod (216) is slidably connected to a bottom limiting cylinder (214). The outer wall of the top limiting rod (216) is movably sleeved with a support spring (215), and the support spring (215) is located between the connecting bracket (211) and the bottom limiting cylinder (214). The outer wall of the fixed bracket (12) is equipped with a support plate (217).

2. The high-voltage switch operating mechanism according to claim 1, characterized in that: The outer wall of the adjusting block (207) is provided with a connecting groove (208), and the outer edge of the guide groove (209) is provided with a dividing groove (210).

3. The high-voltage switch operating mechanism according to claim 1, characterized in that: The outer wall of the split-and-join bracket (201) is slidably connected to a right positioning bracket (212), and a left positioning bracket (213) is installed on the left side of the right positioning bracket (212). The split-and-join bracket (201) and the left positioning bracket (213) are slidably connected, and the right positioning bracket (212) and the left positioning bracket (213) are fixedly assembled on the fixed bracket (12).

4. The high-voltage switch operating mechanism according to claim 1, characterized in that: The inner wall of the fixed bracket (12) is equipped with a top connecting shaft (218), a limit frame (222) is installed in the middle of the top connecting shaft (218), a slider (221) is installed on the inner wall of the limit frame (222), a slide rod (219) is slidably connected to the inner wall of the slider (221), a middle connecting shaft (225) is movably connected to the inner wall of the end of the slide rod (219) away from the slider (221), a connecting rod (226) is movably connected to the outer edge of the middle connecting shaft (225), the connecting rod (226) is installed on the fixed bracket (12) through the bottom connecting shaft (227), the connecting rod (226) is movably connected to the bottom connecting shaft (227), and the middle connecting shaft (225) is movably connected to the split bracket (201).

5. A high-voltage switch operating mechanism according to claim 4, characterized in that: The sliding rod (219) is movably sleeved with a split spring (224), the bottom of the limiting frame (222) is equipped with a top support plate (223), the outer edge of the sliding rod (219) is fixedly equipped with a bottom support plate (220), and the split spring (224) is located between the top support plate (223) and the bottom support plate (220).

6. A high-voltage switch operating mechanism according to claim 4, characterized in that: The top connecting shaft (218) and the bottom connecting shaft (227) are on the same vertical line. The bottom connecting shaft (227), the right positioning bracket (212), the left positioning bracket (213) and the splitting bracket (201) have the same center. The outer edge of the middle connecting shaft (225) is fixedly fitted with a handle (228).

7. A high-voltage switch operating mechanism according to claim 6, characterized in that: The distance between the top of the right positioning bracket (212) and the top of the left positioning bracket (213) and the top connecting shaft (218) is the same, and the length of the right positioning bracket (212) is longer than the length of the left positioning bracket (213).

8. A high-voltage switch operating mechanism according to claim 1, characterized in that: The inner wall of the box (1) is provided with a vertical groove (13), and the connecting bracket (211) passes through the vertical groove (13).

9. A high-voltage switch operating mechanism according to claim 1, characterized in that: The outer edge of the A-phase movable line (5) is slidably connected to the A-phase arc extinguishing shell (4), and the top of the A-phase arc extinguishing shell (4) is equipped with the A-phase fixed line (3). The outer edge of the B-phase movable line (8) is slidably connected to the B-phase arc extinguishing shell (7), and the top of the B-phase arc extinguishing shell (7) is equipped with the B-phase fixed line (6). The outer edge of the C-phase movable line (11) is slidably connected to the C-phase arc extinguishing shell (10), and the top of the C-phase arc extinguishing shell (10) is equipped with the C-phase fixed line (9). The A-phase arc extinguishing shell (4), the B-phase arc extinguishing shell (7), and the C-phase arc extinguishing shell (10) are all installed on the housing (1).

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