Driving device for disconnecting switch

Abstract

The utility model discloses a driving device for an isolating switch, which comprises a mounting frame, a transmission shaft is rotatably arranged on the mounting frame, a transmission gear is matched on the transmission shaft, a power source is arranged on the mounting frame, an output shaft is matched with an output end of the power source in a transmission manner, a driving gear is arranged on the output shaft, and the driving gear is meshed with the driving gear. A clutch shaft is further arranged between the installation frame and the transmission shaft and between the installation frame and the output shaft, a first gear and a second gear are arranged on the clutch shaft, a transmission piece is arranged between the first gear and the second gear, and a ball is arranged between the transmission piece and the first gear in a rolling mode. A transmission groove and a transmission convex rib are arranged between the transmission piece and the second gear, the transmission groove and the transmission convex rib are connected in a clamped mode to form transmission of the second gear to the transmission piece, and a tripping spring is further arranged on the clutch shaft. The clutch device is simple in structure and reasonable in arrangement, clutch switching can be achieved, the manual and electric operation requirements are met, and the good using effect is achieved.

Description

Technical Field

[0001] The utility model relates to a driving device for an isolating switch. Background Art

[0002] The isolating switch is a switch device that is mainly used for "isolating power supply, switching operation, connecting and disconnecting small current circuits" without arc extinguishing function. Its working principle and structure are relatively simple, and its working reliability is high. It is widely used in the design, construction and safe operation of substations and power plants. However, the current isolating switches are mainly driven manually, with low automation and intelligence levels, which are difficult to meet market demand and affect the use efficiency of the product. In addition, the electrical switch must also have manual operation, which causes the drive device structure to realize electric manual switching, making the overall structure bloated and complicated, affecting the use effect of the structure. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a driving device for an isolating switch, which has a simple structure, reasonable layout, can realize clutch switching, meets manual and electric operation requirements, and has good use effect.

[0004] To achieve the above-mentioned purpose, the utility model provides a driving device for an isolating switch, including a mounting frame, a transmission shaft for cooperating with a main shaft of the isolating switch is rotatably arranged on the mounting frame, a transmission gear is matched on the transmission shaft, a power source is arranged on the mounting frame, an output shaft is matched with an output end of the power source for transmission, a driving gear is arranged on the output shaft, a clutch shaft is also arranged between the mounting frame, the transmission shaft and the output shaft, a first gear meshing with the driving gear and a second gear meshing with the transmission gear are arranged on the clutch shaft, a transmission sheet is arranged between the first gear and the second gear, a plurality of ball grooves are formed between the transmission sheet and the first gear, balls are rolled in the ball grooves, a transmission groove and a transmission rib are arranged between the transmission sheet and the second gear, the transmission groove and the transmission rib are engaged to form the transmission of the second gear to the transmission sheet, and a release spring for disengaging the transmission rib from the transmission groove is also arranged on the clutch shaft.

[0005] The beneficial effect of such arrangement is as follows: such arrangement enables the electric output shaft of the power source to rotate, further drives the clutch shaft to rotate through the output shaft, and the clutch shaft transmits power to the transmission shaft, thereby completing the control of the separation and connection of the isolating switch; further, by arranging the clutch shaft in such a way, the clutch shaft rotates under the drive of the power source, and the ball slides from the bottom surface of the ball groove to its edge under the action of centrifugal force; since the spacing between the edges of the ball groove is smaller than the diameter of the ball and the distance is larger than the spacing between the transmission rib and the transmission groove, the ball can push the transmission rib to be stuck in the transmission groove to form a limit of the second gear and the transmission plate, thereby realizing the overall transmission; when it is necessary to release the transmission state, although the output shaft stops rotating, the ball is still stuck The cam is located at the edge of the ball groove. At this time, the clutch shaft is driven by the driving source to reverse, and the ball slides to the center of the ball groove as the clutch shaft reverses. At this time, under the push of the release spring, the transmission plate is moved away from the second gear and abuts against the first gear, so that there is no limiting relationship between the transmission rib and the transmission groove, and the first gear and the second gear do not interfere with each other. In this way, the transmission plate is arranged to achieve meshing or disengagement between the first gear and the second gear as the clutch shaft rotates forward or reversely, reducing the number of parts in the clutch structure. At the same time, the mechanical structure has the effect of being easier to maintain and stably realizing the clutch function. The overall structure of this arrangement is simple and the layout is reasonable. It can realize clutch switching, meet the switching operation requirements, and has a good use effect.

[0006] As a further configuration of the utility model, a contact platform for the second gear to contact is formed on the clutch shaft, and one end of the release spring contacts the contact platform, and the other end contacts the transmission plate.

[0007] The beneficial effect of such an arrangement is that the tripping spring abuts against the limit platform and passes through the inner ring of the driven gear to abut against the second contact surface, and the outer diameter of the limit platform is larger than the outer diameter of the tripping spring, ensuring that the tripping spring will not slip off the output shaft and can always abut against the second contact surface.

[0008] As a further configuration of the utility model, a clamping groove is provided on the outer peripheral surface of the transmission plate, and a hoop is provided in the clamping groove for driving the transmission rib on the transmission plate to disengage from the transmission groove.

[0009] The beneficial effect of such an arrangement is that, when a power source failure occurs and the output shaft fails to reverse or the machine needs to be shut down for maintenance, the ball can be pressed to slide from the edge of the ball groove to the center of the ball groove, thereby releasing the linkage between the gears. The above scheme provides space for manual operation of the clutch structure, facilitates maintenance, and improves the reliability of the structure.

[0010] As a further configuration of the utility model, a micro switch is arranged on the mounting frame at a position corresponding to the transmission shaft, and an abutment protrusion for abutting the micro switch is arranged on the transmission shaft.

[0011] The beneficial effect of such arrangement is that such arrangement facilitates intuitive feedback of the switching state of the isolating switch, and at the same time, the structure is simple, easy to implement, and has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0013] Figure 2 This is a structural schematic diagram of the clutch shaft position in the embodiment of the utility model;

[0014] Figure 3 It is an exploded view of the clutch shaft in the embodiment of the utility model. DETAILED DESCRIPTION

[0015] The embodiment of the drive device for the isolating switch of the utility model is as follows: Figures 1 to 3As shown: it includes a mounting frame 1, on which a transmission shaft 7 for cooperating with the main shaft of the disconnector is rotatably provided, and a transmission gear 71 is matched on the transmission shaft 7, and a power source 2 is provided on the mounting frame 1, and an output shaft 22 is matched with the output end of the power source 2, and a driving gear 21 is provided on the output shaft 22, and a clutch shaft 3 is further provided between the mounting frame 1 and the transmission shaft 7 and the output shaft 22, and a first gear 4 meshing with the driving gear 21 and a first gear 4 meshing with the transmission gear 7 are provided on the clutch shaft 3. 1 is meshed with the second gear 5, a transmission sheet 6 is arranged between the first gear 4 and the second gear 5, a plurality of ball grooves 62 are formed between the transmission sheet 6 and the first gear 4, balls 41 are rollingly arranged in the ball grooves 62, a transmission groove 51 and a transmission rib 61 are arranged between the transmission sheet 6 and the second gear 5, the transmission groove 51 and the transmission rib 61 are engaged to form the transmission of the second gear 5 to the transmission sheet 6, and a release spring 31 for disengaging the transmission rib 61 from the transmission groove 51 is also arranged on the clutch shaft 3. The beneficial effect of such arrangement is as follows: such arrangement, by such arrangement, the electric output shaft 22 of the power source 2 rotates, and the clutch shaft 3 is further driven to rotate through the output shaft 22, and the clutch shaft 3 transmits power to the transmission shaft 7, thereby completing the control of the disconnection and connection of the isolating switch; further, by arranging the clutch shaft 3 in such a way, the clutch shaft 3 rotates under the drive of the power source 2, and the ball 41 slides from the bottom surface of the ball groove 62 to its edge under the action of centrifugal force; since the distance between the edges of the ball groove 62 is smaller than the diameter of the ball 41 and the distance is larger than the distance between the transmission rib 61 and the transmission groove 51, the ball 41 can push the transmission rib 61 to be stuck in the transmission groove 51, thereby forming a limit of the second gear 5 and the transmission plate 6, thereby realizing the overall transmission; when it is necessary to release the transmission state, although the output shaft 22 stops rotating, the ball 41 can stop rotating. The ball 41 is still stuck at the edge of the ball groove 62. At this time, the clutch shaft 3 is driven by the driving source to reverse, and the ball 41 slides to the center of the ball groove 62 with the reverse rotation of the clutch shaft 3. At this time, under the push of the release spring 31, the transmission plate 6 is moved away from the second gear 5 and abuts against the first gear 4, so that there is no limiting relationship between the transmission rib 61 and the transmission groove 51, and the first gear 4 and the second gear 5 do not interfere with each other. In this way, the transmission plate 6 is arranged to achieve the meshing or disengagement between the first gear 4 and the second gear 5 as the clutch shaft 3 rotates forward or reversely, reducing the number of parts in the clutch structure. At the same time, the mechanical structure has the effect of being easier to maintain and stably realizing the clutch function. The overall structure of this arrangement is simple and the layout is reasonable, which can realize clutch switching, meet the switching operation requirements, and has a good use effect.

[0016] As a further configuration of the present invention, a contact platform for the second gear 5 to contact is formed on the clutch shaft 3, one end of the release spring 31 contacts the contact platform, and the other end contacts the transmission plate 6. The beneficial effect of this configuration is that the release spring 31 contacts the limiting platform and passes through the inner ring of the driven gear to contact the second contact surface, and the outer diameter of the limiting platform is larger than the outer diameter of the release spring 31, ensuring that the release spring 31 will not slip off the output shaft 22 and can always contact the second contact surface.

[0017] As a further configuration of the present invention, the outer peripheral surface of the transmission plate 6 is provided with a slot, and the slot is provided with a hoop 61 for driving the transmission rib 61 on the transmission plate to disengage from the transmission slot 51. The beneficial effect of such configuration is that, when the power source 2 fails and the output shaft 22 does not reverse or needs to be shut down for maintenance, the hoop 61 can be pressed to make the ball 41 slide from the edge of the ball slot 62 to the center of the ball slot 62, thereby releasing the linkage state between the gears. The above scheme provides manual operation space for the clutch structure, is more convenient for maintenance, and improves the reliability of the structure.

[0018] As a further configuration of the present invention, a micro switch 72 is provided on the mounting frame 1 at a position corresponding to the transmission shaft 7, and a resisting protrusion for resisting the micro switch 72 is provided on the transmission shaft 7. The beneficial effect of such configuration is that such configuration facilitates intuitive feedback of the switching state of the isolating switch, and at the same time, the structure is simple, which is convenient for implementation and has a good use effect.

[0019] The above example is only one preferred specific example of the present invention. The common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A driving device for an isolating switch, comprising a mounting frame, on which a transmission shaft for cooperating with a main shaft of the isolating switch is rotatably arranged, and on which a transmission gear is matched, characterized in that: A power source is arranged on the mounting frame, and an output shaft is arranged at the output end of the power source for transmission. A driving gear is arranged on the output shaft. A clutch shaft is also arranged between the mounting frame, the transmission shaft and the output shaft. A first gear meshing with the driving gear and a second gear meshing with the transmission gear are arranged on the clutch shaft. A transmission plate is arranged between the first gear and the second gear, and a plurality of ball grooves are formed between the transmission plate and the first gear. Balls are arranged to roll in the ball grooves. A transmission groove and a transmission rib are arranged between the transmission plate and the second gear. The transmission groove and the transmission rib are engaged with each other to form a transmission of the second gear to the transmission plate. A release spring for disengaging the transmission rib from the transmission groove is also arranged on the clutch shaft.

2. The driving device for the isolating switch according to claim 1, characterized in that: The clutch shaft is formed with a contact platform for the second gear to contact, one end of the release spring contacts the contact platform, and the other end contacts the transmission plate.

3. The driving device for the isolating switch according to claim 1 or 2, characterized in that: The outer peripheral surface of the transmission plate is provided with a clamping groove, and the clamping groove is provided with a hoop for driving the transmission rib on the transmission disc to separate from the transmission groove.

4. The driving device for the isolating switch according to claim 2, characterized in that: A micro switch is arranged on the mounting frame at a position corresponding to the transmission shaft, and an abutment protrusion for abutting the micro switch is arranged on the transmission shaft.

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