CN213691861U - High-reliability isolating switch operating mechanism - Google Patents

Abstract

The utility model relates to a high reliable isolator operating device, including framework, main shaft operating module, keep apart operating module and ground connection operating module, energy storage spring assembly, main shaft operating module includes main shaft, commentaries on classics board, spacing subassembly, is provided with the first even board, the second even board that are connected with keeping apart operating module, ground connection operating module on the commentaries on classics board respectively, and spacing subassembly includes spacing carousel, locating plate, stopper, switching-over deflector, torsional spring, spacing carousel on be provided with a plurality of spacing grooves, the stopper on be provided with the spacing portion with spacing groove matched with, the switching-over deflector on be provided with the switching-over driving lever, the stopper on be provided with the switching-over slide hole, the one end of switching-over driving lever alternate in the switching-over slide hole, and constitute the linkage cooperation of stopper and switching-over deflector. The utility model has the advantages of simple structure, stable and reliable performance, reliable interlocking and high safety.

Description

High-reliability isolating switch operating mechanism

Technical Field

The utility model relates to a isolator, concretely relates to high reliable isolator operating device.

Background

At present, a ring main unit is widely used in many large-scale power utilization places; the ring main unit has the advantages of simple structure, safe and reliable operation, low maintenance frequency and low operation cost, and compared with the traditional switch cabinet, the ring main unit has outstanding advantages. In the technology of the ring main unit, an isolating switch is generally applied. The isolating switch serves as a circuit switch in the ring main unit, not only plays a role of a common switch, but also can ensure the safe fracture and the reliable grounding of the isolated lower end, and absolutely ensures the safety of circuit maintenance and maintainers. Is one of the very important components in the ring main unit. The operating mechanism of the existing isolating switch has the defects of high failure rate, more parts and complex operation, and the operating mechanism of the isolating switch has the defects of complex structure, unreliable performance and unreliable interlocking.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance is reliable, the interlocking is reliable, the high reliable isolator operating device of high security.

In order to achieve the above object, the utility model discloses a high-reliability isolator operating device, including framework, the main shaft operating assembly who sets up on the framework, isolation operating assembly and ground connection operating assembly, the energy storage spring subassembly of setting respectively in the both sides department of corresponding main shaft operating assembly, main shaft operating assembly including rotate set up on the framework main shaft, with main shaft linkage complex commentaries on classics board, set up on the first curb plate of framework and with main shaft matched with spacing subassembly, the commentaries on classics board on be provided with respectively with the first even board that is connected with isolation operating assembly, ground connection operating assembly, the spacing subassembly including the linkage set up at main epaxial spacing carousel, set up the locating plate on the first curb plate, the stopper of activity setting on the locating plate, rotate set up on the locating plate and with limiting plate matched with switching-over deflector, The torsional spring of setting between locating plate and switching-over deflector, spacing carousel on be provided with a plurality of spacing grooves, the stopper on be provided with spacing portion of spacing groove matched with, the switching-over deflector on be provided with the switching-over driving lever, the stopper on be provided with the switching-over sliding hole, the one end interlude of switching-over driving lever in the switching-over sliding hole, and constitute the linkage cooperation of stopper and switching-over deflector.

The beneficial effect of above-mentioned structure is: the limit component matched with the main shaft is arranged on the machine frame and can play a role in reversing and limiting the main shaft, so that the main shaft can reliably drive the isolation operation component and the grounding operation component to be switched, and the interlocking reliability of the isolation switch operation mechanism is favorably improved. Therefore, the isolating switch operating mechanism has the advantages of simple structure, stable and reliable performance, reliable interlocking and high safety.

Particularly, the isolation operation assembly comprises an isolation operation shaft rotationally arranged on the framework, an isolation cam in linkage fit with the isolation operation shaft, an isolation limiting shaft arranged on the framework and matched with the isolation cam, an isolation fork plate rotationally arranged on the isolation operation shaft, a first driving shaft arranged on the isolation cam and in linkage fit with the isolation fork plate, and a first connecting plate arranged between the isolation fork plate and the rotating plate, the grounding operation assembly comprises a grounding operation shaft rotationally arranged on the framework, a grounding cam in linkage fit with the grounding operation shaft, a grounding limiting shaft arranged on the framework and matched with the grounding cam, a grounding fork plate rotationally arranged on the grounding operation shaft, a second driving shaft arranged on the grounding cam and in linkage fit with the grounding fork plate, and a second connecting plate arranged between the grounding fork plate and the rotating plate, wherein an arc shifting groove is arranged on the isolation fork plate corresponding to the first driving shaft, one end of the first driving shaft is inserted into the arc shifting groove, the arc shifting groove moves along with the isolation fork plate and can shift the first driving shaft, and linkage matching of the isolation fork plate and the first driving shaft is formed. A first connecting rod and a second connecting rod are respectively arranged between the rotating plate and the isolation fork plate of the isolation operation assembly and between the rotating plate and the grounding fork plate of the grounding operation assembly, so that the isolation operation assembly and the grounding operation assembly can be interlocked, and the safety performance of the isolation switch operation mechanism can be improved.

Particularly, a plurality of auxiliary cams are arranged on the main shaft corresponding to the second side plate of the mechanism frame, microswitches are respectively arranged on the second side plate corresponding to the two sides of the auxiliary cams, the auxiliary cams rotate along with the main shaft and can trigger the microswitches, and the microswitches are switched on or off. The second side plate is provided with a microswitch matched with the auxiliary cam, and the microswitch can monitor the action of the main shaft, so that the working reliability of the isolating switch operating mechanism is improved.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is an internal structure diagram of the embodiment of the present invention.

Fig. 3 is a front view of the embodiment of the present invention.

Detailed Description

As shown in fig. 1-3, an embodiment of the present invention is a highly reliable isolator operating mechanism, including a machine frame 10, a main shaft operating assembly 20 disposed on the machine frame 10, an isolating operating assembly 30 and a grounding operating assembly 40 disposed on the machine frame 10 respectively corresponding to both sides of the main shaft operating assembly 20, and an energy storage spring assembly 11, wherein the main shaft operating assembly 20 includes a main shaft 21 rotatably disposed on the machine frame 10, a rotating plate 22 cooperating with the main shaft 21, and a limiting assembly 50 disposed on a first side plate 101 of the machine frame 10 and cooperating with the main shaft 21, the rotating plate 22 is provided with a first connecting plate 12 and a second connecting plate 13 respectively connected with the isolating operating assembly 20 and the grounding operating assembly 30, the limiting assembly 50 includes a limiting turntable 51 disposed on the main shaft 21 in a linkage manner, and a positioning plate 52 disposed on the first side plate 101, The reversing mechanism comprises a limiting block 53 movably arranged on a positioning plate 52, a reversing guide plate 54 rotatably arranged on the positioning plate 52 and matched with the limiting plate 52, and a torsion spring 55 arranged between the positioning plate 52 and the reversing guide plate 54, wherein a plurality of limiting grooves 511 are arranged on a limiting turntable 51, a limiting part 531 matched with the limiting grooves 511 is arranged on the limiting block 53, a reversing shift lever 541 is arranged on the reversing guide plate 54, a reversing sliding hole 531 is arranged on the limiting block 53, one end of the reversing shift lever 541 is inserted into the reversing sliding hole 531 in a penetrating manner, and the limiting block 53 is in linkage fit with the reversing guide plate 54.

The isolating operation assembly 30 comprises an isolating operation shaft 31 rotatably arranged on the framework 10, an isolating cam 32 in linkage fit with the isolating operation shaft 31, an isolating limit shaft 33 arranged on the framework 10 and matched with the isolating cam 32, an isolating fork plate 34 rotatably arranged on the isolating operation shaft 31, a first driving shaft 35 arranged on the isolating cam 32 and matched with the isolating fork plate 34 in linkage fit, and a first connecting plate 12 arranged between the isolating fork plate 34 and the rotating plate 22, wherein the grounding operation assembly 40 comprises a grounding operation shaft 41 rotatably arranged on the framework 10, a grounding cam 42 in linkage fit with the grounding operation shaft 41, a grounding limit shaft 43 arranged on the framework 10 and matched with the grounding cam 42, a grounding fork plate 44 rotatably arranged on the grounding operation shaft 41, and a second driving shaft 45 arranged on the grounding cam 42 and matched with the grounding fork plate 44 in linkage fit, The second connecting plate 13 is arranged between the grounding fork plate 44 and the rotating plate 22, an arc shifting groove 341 is arranged on the isolation fork plate 34 corresponding to the first driving shaft 35, one end of the first driving shaft 35 is inserted into the arc shifting groove 341, and the arc shifting groove 341 moves along with the isolation fork plate 34 and can shift the first driving shaft 35, and forms linkage matching of the isolation fork plate 34 and the first driving shaft 35. A first connecting rod and a second connecting rod are respectively arranged between the rotating plate and the isolation fork plate of the isolation operation assembly and between the rotating plate and the grounding fork plate of the grounding operation assembly, so that the isolation operation assembly and the grounding operation assembly can be interlocked, and the safety performance of the isolation switch operation mechanism can be improved.

A plurality of auxiliary cams 211 are arranged on the main shaft 21 corresponding to the second side plate 102 of the machine frame 10, microswitches 14 are respectively arranged on the second side plate 102 corresponding to the two sides of the auxiliary cams 211, and the auxiliary cams 211 rotate along with the main shaft 21 and can trigger the microswitches 14 to switch on or off the microswitches 14. The second side plate is provided with a microswitch matched with the auxiliary cam, and the microswitch can monitor the action of the main shaft, so that the working reliability of the isolating switch operating mechanism is improved.

The limit component matched with the main shaft is arranged on the machine frame and can play a role in reversing and limiting the main shaft, so that the main shaft can reliably drive the isolation operation component and the grounding operation component to be switched, and the interlocking reliability of the isolation switch operation mechanism is favorably improved. Therefore, the isolating switch operating mechanism has the advantages of simple structure, stable and reliable performance, reliable interlocking and high safety.

Claims (3)

1. The utility model provides a high-reliability isolator operating device, includes the framework, sets up main shaft operating assembly on the framework, corresponds main shaft operating assembly's both sides department and sets up isolation operating assembly and ground connection operating assembly, energy storage spring assembly on the framework respectively, its characterized in that: the main shaft operation assembly comprises a main shaft rotatably arranged on the frame, a rotating plate in linkage fit with the main shaft, and a limiting assembly arranged on a first side plate of the frame and matched with the main shaft, wherein the rotating plate is respectively provided with a first connecting plate and a second connecting plate which are connected with the isolation operation assembly and the grounding operation assembly, the limiting assembly comprises a limiting turntable in linkage arrangement on the main shaft, a positioning plate arranged on the first side plate, a limiting block movably arranged on the positioning plate, a reversing guide plate rotatably arranged on the positioning plate and matched with the limiting plate, and a torsion spring arranged between the positioning plate and the reversing guide plate, the limiting turntable is provided with a plurality of limiting grooves, the limiting block is provided with a limiting part matched with the limiting grooves, the reversing deflector rod is arranged on the reversing deflector plate, and the limiting block is provided with a reversing sliding hole, one end of the reversing deflector rod is inserted in the reversing sliding hole, and a limiting block is formed to be in linkage fit with the reversing guide plate.

2. The high reliability disconnect switch operating mechanism of claim 1, wherein: the isolation operation assembly comprises an isolation operation shaft rotationally arranged on the framework, an isolation cam in linkage fit with the isolation operation shaft, an isolation limiting shaft arranged on the framework and matched with the isolation cam, an isolation fork plate rotationally arranged on the isolation operation shaft, a first driving shaft arranged on the isolation cam and in linkage fit with the isolation fork plate, and a first connecting plate arranged between the isolation fork plate and the rotating plate, the grounding operation assembly comprises a grounding operation shaft rotationally arranged on the framework, a grounding cam in linkage fit with the grounding operation shaft, a grounding limiting shaft arranged on the framework and in linkage fit with the grounding cam, a grounding fork plate rotationally arranged on the grounding operation shaft, a second driving shaft arranged on the grounding cam and in linkage fit with the grounding fork plate, and a second connecting plate arranged between the grounding fork plate and the rotating plate, wherein an arc shifting groove is arranged on the isolation fork plate corresponding to the first driving shaft, one end of the first driving shaft is inserted into the arc shifting groove, the arc shifting groove moves along with the isolation fork plate and can shift the first driving shaft, and linkage matching of the isolation fork plate and the first driving shaft is formed.

3. The high-reliability isolating switch operating mechanism as claimed in claim 1 or 2, wherein the main shaft is provided with a plurality of auxiliary cams corresponding to the second side plate of the mechanism frame, the second side plate is provided with micro switches corresponding to two sides of the auxiliary cams, the auxiliary cams rotate along with the main shaft and can trigger the micro switches, and the micro switches are switched on or off.

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