CN220357984U - Compact spring operating mechanism and air insulation ring main unit - Google Patents

Abstract

The utility model discloses a compact spring operating mechanism and an air insulation ring main unit, which are reasonable in layout, reasonable in transmission, compact in structure and small in size. The utility model comprises a compact spring operating mechanism, wherein the compact spring operating mechanism comprises a circuit breaker operating mechanism, the circuit breaker operating mechanism comprises a circuit breaker base, a worm gear component, an energy storage motor, a gear transmission component, an energy storage rotating shaft component, two energy storage springs, a closing limiting component, a brake separating rotating shaft, a brake separating spring, a brake separating limiting component, a connecting rod component and a gear rack component, the worm gear component is connected with an input shaft of the energy storage motor, the gear transmission component is connected with an output shaft of the energy storage motor, one ends of the two energy storage springs are respectively connected with two ends of the energy storage rotating shaft component, the other ends of the brake separating springs are connected with the brake separating rotating shaft, and the connecting rod component is sleeved and fixed on the brake separating rotating shaft. The utility model is applied to the technical field of ring main units.

Description

Compact spring operating mechanism and air insulation ring main unit

Technical Field

The utility model relates to a ring main unit, in particular to a compact spring operating mechanism and an air insulation ring main unit.

Background

The air insulation ring main unit consists of a closed cabinet body formed by metal shells or electric equipment assembled with the spaced ring main unit, and the core part of the air insulation ring main unit adopts a load switch, a disconnecting switch and a breaker switch, so that the air insulation ring main unit has the advantages of simple structure, good insulation performance, environmental protection and the like. The method is widely applied to power distribution stations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like and box-type substations.

When the circuit breaker mechanism works at the present stage, the handle or the motor is used for rotating the energy storage shaft, so that the energy storage spring is lengthened, energy is stored, and after the limit position is exceeded, the spring is kept in an energy storage state due to the limiting device; when the closing button is pressed down, the limiting device rotates, the limiting device is not limited any more, the spring is released instantaneously, and through the conversion of the mechanical device, the rotation angle change of the spring is converted into the displacement change of the vacuum bubble moving contact of the circuit breaker, so that the closing operation is realized. Meanwhile, in the process of releasing the energy storage spring, a part of energy acts on the opening spring through the conversion device, so that the opening spring is lengthened, and the energy storage operation of the opening spring is completed; when the opening button is pressed, the limit of the opening spring is canceled, the opening spring contracts, energy is released, and the opening spring is converted into the displacement of the vacuum bubble moving contact of the circuit breaker through a mechanical structure, so that opening operation is realized.

However, conventional spring operating mechanisms are used in common bias in the conventional air insulation ring main units, and are divided into two types according to electric distances, wherein the first type of the conventional spring operating mechanism is an air gap larger than 125mm, and the second type of the conventional spring operating mechanism is an air gap smaller than 125mm. Based on current spring operating device, vacuum circuit breaker and isolator assemble, this type air insulation looped netowrk cabinet has following not enough:

the conventional spring operating mechanism is higher in height, so that the air insulation ring main unit is larger in size and higher in cost, and the requirement of the air insulation ring main unit on size miniaturization cannot be met.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a compact spring operating mechanism and an air insulation ring main unit, which are reasonable in layout, reasonable in transmission, compact in structure and small in size.

The technical scheme adopted by the utility model is as follows: the utility model comprises a compact spring operating mechanism, wherein the compact spring operating mechanism comprises a circuit breaker operating mechanism and an isolating grounding mechanism arranged below the circuit breaker operating mechanism, and the isolating grounding mechanism comprises a grounding switch assembly and an isolating switch assembly arranged above the grounding switch assembly;

the circuit breaker operating mechanism comprises a circuit breaker base, a worm gear assembly, an energy storage motor, a gear transmission assembly, an energy storage rotating shaft assembly, two energy storage springs, a closing limiting assembly, a brake separating rotating shaft, a brake separating spring, a brake separating limiting assembly, a connecting rod assembly and a gear rack assembly, wherein the worm gear assembly is connected with an input shaft of the energy storage motor; the breaker operating mechanism can perform opening and closing operation;

The isolating switch assembly comprises an isolating grounding base, an isolating operation shaft, a planar spiral spring and an isolating limiting assembly, wherein the isolating operation shaft is installed on the isolating grounding base, the isolating limiting assembly is arranged on the isolating operation shaft, two ends of the planar spiral spring are respectively connected with two ends of the isolating limiting assembly, and the isolating operation shaft can conduct isolating switch on-off operation.

Further, the earthing switch assembly comprises an earthing operation shaft, an earthing rotation assembly, a compression spring assembly and an earthing limit assembly, wherein the earthing operation shaft is installed on the isolation earthing base, the earthing rotation assembly is fixed on the earthing operation shaft, one end of the compression spring assembly is fixed on the isolation earthing base, the other end of the compression spring assembly is connected with the earthing rotation assembly, and the earthing limit assembly is arranged on a forward rotation stroke and a reverse rotation stroke of the earthing rotation assembly and used for limiting the forward rotation stroke and the reverse rotation stroke of the earthing rotation assembly, so that the earthing operation shaft can conduct earthing switch on-off operation.

Further, the circuit breaker operating mechanism further comprises a first mounting plate and a second mounting plate which are symmetrically arranged on the circuit breaker base, the worm and gear assembly comprises a worm mounting seat, a worm and a worm wheel, the worm mounting seat is arranged at the side end of the energy storage motor, the worm is arranged in the worm mounting seat, the front end of the worm is a hexagon bolt head, and the worm wheel is arranged on the input shaft of the energy storage motor; the gear transmission assembly comprises a pinion, a large gear and a ratchet device, the energy storage motor is mounted at the side end of the first mounting plate, an input shaft of the energy storage motor penetrates through the first mounting plate and then is fixed on the second mounting plate, the pinion is fixed on the input shaft of the energy storage motor, and the ratchet device is mounted between the first mounting plate and the second mounting plate and is located at the lower end of the pinion.

Further, the energy storage rotating shaft assembly comprises an energy storage rotating shaft, first connecting rods are arranged at two ends of the energy storage rotating shaft, first mounting shafts are arranged at the tail ends of the first connecting rods, one end of each energy storage spring is connected with one of the first mounting shafts respectively, the middle part of the energy storage rotating shaft is located between the first mounting plate and the second mounting plate, the large gear sleeve is arranged in the middle part of the energy storage rotating shaft, a torque spring limiting hysteresis is arranged on the end face of the large gear, a cam arranged at the side end of the large gear is further fixed at the middle part of the energy storage rotating shaft, a first notch matched with the torque spring limiting hysteresis is arranged on the cam, and when the energy storage motor stores energy, after the large gear idles for a certain angle, the torque spring limiting hysteresis is clamped at the first notch of the cam to drive the energy storage rotating shaft assembly to rotate, so that the energy storage spring stores energy;

further, the spacing subassembly of combined floodgate includes the spacing axle combined floodgate axis of rotation of combined floodgate, the spacing axle of combined floodgate with the combined floodgate axis of rotation all install in between the first mounting panel with between the second mounting panel, just the combined floodgate axis of rotation is located the top of the spacing axle of combined floodgate, be provided with connecting rod and first combined floodgate down in the switching-on axis of rotation, the lower extreme of connecting rod is fixed with first separating brake torsional spring under the first combined floodgate, the other end of first separating brake torsional spring is fixed in the medial surface of second mounting panel, the side of cam is provided with the connecting rod and pushes away the round, be provided with on the spacing axle of combined floodgate with the spacing breach of the switching-on limit of connecting rod bottom looks adaptation under the first combined floodgate, the connecting rod is in the removal stroke of connecting rod pushing away from round, during energy storage spring carries out the connecting rod pushing away the first combined floodgate and goes up the connecting rod swing, and when accomplishing energy storage operation, the connecting rod card is in the spacing breach of combined floodgate to make energy storage spring keep the energy storage state, the end of spacing axle wears out the second side, and the end of second mounting panel, the switching-on is provided with the switching-off limit button, the switching-on has the switching-on switch to push button, the switching-on end has the switching-on switch.

Further, the connecting rod assembly comprises connecting rod pieces which are symmetrically sleeved and fixed on the brake separating rotating shaft, an upper brake separating rotating wheel and a lower brake separating rotating wheel are respectively arranged between the upper end and the lower end of the two connecting rod pieces, and a front brake separating pull rod is arranged between the front ends of the two connecting rod pieces; the gear rack assembly comprises a closing and separating tooth bracket fixed on the base of the circuit breaker, a closing and separating tooth strip positioned right above the front closing and separating brake pull rod is connected in the closing and separating tooth bracket in a sliding manner, an incomplete gear is meshed with the side end of the closing and separating tooth strip, and a closing and separating brake movable fit mandrel is sleeved and fixed on the incomplete gear; the brake release limiting assembly comprises a brake release tripping shaft and a brake release positioning piece which are both arranged between the first mounting plate and the second mounting plate, the brake release tripping shaft is provided with a brake release limiting notch which is matched with the upper end face of the brake release positioning piece, the brake release positioning piece is used for limiting the rotation of the upper brake release rotating wheel, the brake release tripping shaft is used for limiting the brake release positioning piece to rotate upwards, a brake closing rolling shifting wheel is sleeved and fixed on the energy storage rotating shaft, and the brake closing rolling shifting wheel is used for pushing the lower brake release rotating wheel to rotate when being closed, so that a brake release spring is compressed for energy storage; the end of the opening tripping shaft is provided with an opening button connected with an opening connecting rod shifting sheet I, the front end of the opening tripping shaft is provided with an opening connecting rod shifting sheet II and an opening electromagnetic valve positioned right above the opening connecting rod shifting sheet II, the opening electromagnetic valve and the opening button can drive the opening tripping shaft to rotate, so that the first closing upper connecting rod is separated from the opening limiting notch, and the opening action is completed.

Further, the isolation limiting component comprises an isolation base, the front end of the isolation operating shaft is a hexagon bolt, the other end of the isolation operating shaft passes through the isolation base and is fixed on the isolation grounding base, a volute spring limiting rotor and an isolation rotor are arranged in the isolation base, a volute spring compression rotor fixed with the isolation operating shaft is also arranged in the isolation base, the volute spring limiting rotor is provided with a plurality of spring limiting grooves, the outer edge of the volute spring compression rotor is provided with a first clamping hook block, the inner end of a plane volute spring is fixed in one of the spring limiting grooves, the outer end of the plane volute spring is fixed on the first clamping hook block, both ends of the outer edge of the isolation rotor are provided with limiting clamping notch, the side end of the isolation rotor is provided with a first arc-shaped guide groove, a rotation limiting wheel device is arranged between the first arc-shaped guide groove and the outer edge of the isolating rotor, the rotation limiting wheel device comprises symmetrically arranged triangle bases, one end angles of the triangle bases are hinged, a second end angle of the triangle base is provided with a limiting clamping wheel, the limiting clamping wheel is attached to the outer edge of the isolating rotor and is matched with the limiting clamping notch, one of the limiting clamping wheels is connected with a raised head angle arranged in the middle of the volute spring compression rotor, an isolation grounding plate is arranged on the outer side surface of the isolation grounding base, an isolation grounding rotating shaft is arranged in the middle of the isolation grounding plate, a second arc-shaped guide groove and a third arc-shaped guide groove connected with the second arc-shaped guide groove are arranged on the upper portion of the isolation grounding plate, a fourth arc-shaped guide groove is arranged on the upper portion of the isolation grounding base, the lower extreme of isolating rotor is provided with first linkage post, first linkage post passes the fourth arc guide slot back be located the second arc guide slot with in the third arc guide slot.

Further, the grounding limiting assembly comprises a grounding base, the grounding rotating assembly comprises a rotating seat plate, the middle of the rotating seat plate is fixed with the grounding operation shaft, a lower cylindrical shaft is arranged at the lower part of the rotating seat plate, an upper cylindrical shaft which is positioned above the lower cylindrical shaft in an inclined manner is arranged on the grounding base, the compression spring assembly comprises a compression spring and a compression guide plate, a guide chute is arranged at the front end of the compression guide plate, the rear end of the compression guide plate is fixed on the lower cylindrical shaft, the guide chute is sleeved in the upper cylindrical shaft, the compression spring is positioned between the upper cylindrical shaft and the lower cylindrical shaft, a limiting boss is arranged in the side end of the grounding base and used for limiting the forward rotation stroke and the reverse rotation stroke of the rotating seat plate; the lower part of the isolation grounding base is provided with a fifth arc-shaped guide groove, the lower part of the isolation grounding piece is provided with a sixth inclined guide groove, the inclined upper part of the rotating seat plate is provided with a second linkage column, and the second linkage column passes through the fifth arc-shaped guide groove and then is positioned in the sixth inclined guide groove; under the structural design, the grounding operation shaft directly compresses the spring to pass through the inflection point to realize the closing and opening actions of the grounding switch, and the grounding operation shaft has the advantages of simple and compact structure and reliable action.

Further, the utility model also comprises an air-insulated ring main unit, which comprises any one of the compact spring operating mechanisms.

The beneficial effects of the utility model are as follows: 1. each transmission component in the compact spring operating mechanism is reasonably distributed, so that the maximum height of an operating chamber is greatly reduced, the depth of the operating chamber is further reduced, and the volume of the air insulation ring main unit is reduced; 2. the flat spiral spring is adopted to replace the compression spring, so that the thinning design of the isolation operating mechanism is realized, the transmission part is simple in structure, and the operation is safe and reliable; 3. through worm gear assembly's design circuit breaker operating device's energy storage motor output shaft and energy storage pivot horizontal direction overall arrangement, and adopt link assembly and rack and pinion subassembly transmission mode to replace traditional transmission shaft to reduced circuit breaker operating device height, realized circuit breaker operating device compact structure, and the small target of air insulation looped netowrk cabinet.

Drawings

FIG. 1 is a schematic diagram of an air-insulated ring main unit;

FIG. 2 is a schematic structural view of a compact spring operated mechanism;

FIG. 3 is a front view of a compact spring operated mechanism;

fig. 4 is a schematic rear view of the energy storage shaft assembly and the closing limiting assembly;

FIG. 5 is a front view between the stored energy rotor shaft assembly and the closing stop assembly;

FIG. 6 is a schematic rear view of the structure between the brake release rotating shaft, the brake release spring, the brake release limiting assembly, the connecting rod assembly and the rack and pinion assembly;

FIG. 7 is a front view of the brake release shaft, brake release spring, brake release limiting assembly, linkage assembly and rack and pinion assembly;

FIG. 8 is a schematic diagram of the structure of the isolated grounding mechanism;

FIG. 9 is a rear view of the isolated grounding mechanism;

FIG. 10 is a top view of the isolated grounding mechanism;

FIG. 11 is a cross-sectional view of the portion of FIG. 10 A-A;

fig. 12 is an exploded view of the isolation stop assembly.

Detailed Description

As shown in fig. 1 to 12, in the present embodiment, the present utility model includes a compact spring operating mechanism including a circuit breaker operating mechanism 2 and an isolating grounding mechanism 3 provided below the circuit breaker operating mechanism 2, the isolating grounding mechanism 3 including a grounding switch assembly 4 and an isolating switch assembly 5 located above the grounding switch assembly 4;

the breaker operating mechanism 2 comprises a breaker base 21, a worm gear assembly 22, an energy storage motor 23, a gear transmission assembly 24, an energy storage rotating shaft assembly 25, two energy storage springs 26, a closing limiting assembly 27, a brake separating rotating shaft 28, a brake separating spring 29, a brake separating limiting assembly 210, a connecting rod assembly 211 and a gear rack assembly 212, wherein the worm gear assembly 22 is connected with an input shaft of the energy storage motor 23, the gear transmission assembly 24 is connected with an output shaft of the energy storage motor 23, the middle part of the energy storage rotating shaft assembly 25 passes through the gear transmission assembly 24, one ends of the two energy storage springs 26 are respectively connected with two ends of the energy storage rotating shaft assembly 25, the other ends of the two energy storage springs 26 are respectively fixed on the breaker base 21, the brake separating limiting assembly 27 is used for enabling the energy storage springs 26 to be kept in an energy storage state after the energy storage springs 26 are lengthened by a limit position, one end of the brake separating spring 29 is fixed on the breaker base 21, the other end of the brake separating spring 29 is connected with the brake separating rotating shaft assembly 28, one end of the connecting rod assembly 29 is fixed on the brake separating rotating shaft assembly 211, and the connecting rod assembly 211 is respectively connected with the brake separating rotating shaft assembly 210 in a stroke mode, and the connecting rod assembly is respectively contacted with the brake separating assembly 210; the breaker operating mechanism 2 can perform opening and closing operation;

The isolating switch assembly 5 comprises an isolating grounding base 51, an isolating operation shaft 52, a planar volute spring 53 and an isolating limiting assembly 54, wherein the isolating operation shaft 52 is installed on the isolating grounding base 51, the isolating limiting assembly 54 is arranged on the isolating operation shaft 52, and two ends of the planar volute spring 53 are respectively connected with two ends of the isolating limiting assembly 54, so that the isolating operation shaft 52 can conduct isolating switch on-off operation.

In this embodiment, the grounding switch assembly 4 includes a grounding operation shaft 41, a grounding rotation assembly 42, a compression spring assembly 43 and a grounding limit assembly 44, where the grounding operation shaft 41 is installed on the grounding isolation base 51, the grounding rotation assembly 42 is fixed on the grounding operation shaft 41, one end of the compression spring assembly 43 is fixed on the grounding isolation base 51, the other end of the compression spring assembly 43 is connected with the grounding rotation assembly 42, and the grounding limit assembly 44 is disposed on the forward rotation stroke and the reverse rotation stroke of the grounding rotation assembly 42, and is used for limiting the forward rotation stroke and the reverse rotation stroke of the grounding rotation assembly 42, so that the grounding operation shaft 41 can perform grounding switch closing and opening operations.

In this embodiment, the circuit breaker operating mechanism 2 further includes a first mounting plate 22a and a second mounting plate 23a symmetrically disposed on the circuit breaker base 21, the worm gear and worm assembly 22 includes a worm mounting seat 221, a worm 222 and a worm wheel 223, the worm mounting seat 221 is mounted at a side end of the energy storage motor 23, the worm 222 is disposed in the worm mounting seat 221, and a front end of the worm 222 is a hexagonal bolt head, and the worm wheel 223 is disposed at an input shaft of the energy storage motor 23; the gear assembly 24 includes a pinion gear 241, a large gear 242, and a ratchet device 243, the energy storage motor 23 is mounted at a side end of the first mounting plate 22a, an input shaft of the energy storage motor 23 passes through the first mounting plate 22a and is fixed on the second mounting plate 23a, the pinion gear 241 is fixed on the input shaft of the energy storage motor 23, and the ratchet device 243 is mounted between the first mounting plate 22a and the second mounting plate 23a and is located at a lower end of the pinion gear 241, so that the energy storage rotating shaft assembly 25 can only rotate clockwise; the power transmission of the design structure is as follows: the hexagonal bolt head can be manually pulled, so that the worm and gear assembly 22 rotates to transmit power to the energy storage motor 23, and the pinion 241 is driven to rotate clockwise, and the large gear 242 is driven to rotate anticlockwise.

In this embodiment, the energy storage rotating shaft assembly 25 includes an energy storage rotating shaft 251, two ends of the energy storage rotating shaft 251 are provided with first connecting rods 252, the ends of the first connecting rods 252 are provided with first mounting shafts 253, one end of each energy storage spring 26 is respectively connected with one of the first mounting shafts 253, the middle part of the energy storage rotating shaft 251 is located between the first mounting plate 22a and the second mounting plate 23a, the bull gear 242 is arranged in the middle part of the energy storage rotating shaft 251 through a bearing sleeve, the end face of the bull gear 242 is provided with a torque spring limit hysteresis piece 254, the middle part of the energy storage rotating shaft 251 is also fixed with a cam 255 located at the side end of the bull gear 242, and the cam 255 is provided with a first notch 2551 matched with the torque spring limit hysteresis piece 254; the power transmission of the design structure is as follows: when the energy storage motor 23 stores energy, after the large gear 242 idles for a certain angle, the torque spring limit hysteresis 254 is clamped at the first notch 2551 of the cam 255, so as to drive the cam 255 to rotate, thereby enabling the energy storage rotating shaft 251 to rotate together, and further stretching the two energy storage springs 26, so that the energy storage springs 26 store energy;

In this embodiment, the closing limiting assembly 27 includes a closing limiting shaft 271 and a closing rotating shaft 272, the closing limiting shaft 271 and the closing rotating shaft 272 are both mounted between the first mounting plate 22a and the second mounting plate 23a, the closing rotating shaft 272 is located above the closing limiting shaft 271, a first closing upper connecting rod 273 and a first closing lower connecting rod 274 are disposed on the closing rotating shaft 272, a first opening torsion spring 275 is fixed at the lower end of the first closing lower connecting rod 274, the other end of the first opening torsion spring 275 is fixed on the inner side surface of the second mounting plate 23a, a connecting rod pushing wheel 276 is disposed on the side surface of the cam 255, a closing limiting gap 277 adapted to the bottom of the first closing lower connecting rod 274 is disposed on the closing limiting shaft 271, the first closing upper connecting rod 273 is in the moving stroke of the connecting rod pushing wheel 276, when the energy storage spring 26 stores energy, the connecting rod 276 pushes the first closing upper connecting rod to swing, and when the energy storage operation is completed, the first opening torsion spring 274 is fixed at the lower end of the first opening torsion spring 274, the opening button 277 is disposed at the position of the opening button 277, and the opening button 277 is separated from the opening button 277, and the opening button 277 is disposed at the outer side surface of the opening button 271, and the opening button 277 is opened at the end of the opening button 278; when the energy storage spring 26 performs energy storage, the connecting rod pushing wheel 276 pushes the first closing upper connecting rod 273 to enable the first closing lower connecting rod 274 to move upwards, and when the energy storage spring 26 stretches out and stores energy to pass through a limit position, the first closing lower connecting rod 274 is just in the closing limit notch 277, so that the energy storage spring 26 is kept in an energy storage state; when the breaker is required to be switched on, the switch-on button 2710 is pressed or the switch-on electromagnetic valve 279 is started, and the switch-on limiting shaft 271 can be driven to rotate by the switch-on pulling piece 278, so that the first switch-on lower connecting rod 274 is separated from the switch-on limiting notch 277, and the energy storage rotating shaft 251 can rotate to perform switch-on action under the elastic potential energy of the energy storage spring 26.

In this embodiment, the link assembly 211 includes a link plate 2111 symmetrically sleeved and fixed on the brake separating shaft 28, an upper brake separating wheel 2112 and a lower brake separating wheel 2113 are respectively disposed between the upper and lower ends of the link plate 2111, and a front brake separating pull rod 2114 is disposed between the front ends of the link plate 2111; the rack and pinion assembly 212 includes a rack and pinion rack 2121 fixed to the breaker base 21, a rack and pinion rack 2122 slidably connected to the rack and pinion rack 2121 and located directly above the front rack and pinion rack 2114, a rack and pinion connector provided between the front rack and pinion rack 2114 and the rack and pinion rack 2122, an incomplete gear 2123 meshed with a side end of the rack and pinion rack 2122, and a rack and pinion matching mandrel 2124 sleeved on the incomplete gear 2123; the opening limiting assembly 210 comprises an opening tripping shaft 2101 and an opening positioning piece 2102 which are both installed between the first mounting plate 22a and the second mounting plate 23a, the opening tripping shaft 2101 is provided with an opening limiting notch 2103 which is matched with the upper end face of the opening positioning piece 2102, the opening positioning piece 2102 is used for limiting the rotation of the upper opening rotating wheel 2112, the opening tripping shaft 2101 is used for limiting the opening positioning piece 2102 to rotate upwards, the energy storage rotating shaft 251 is sleeved with a closing rolling shifting wheel 256, and the closing rolling shifting wheel 256 is used for pushing the lower opening rotating wheel 2113 to rotate when being closed, so that the opening spring 29 is compressed for energy storage; the end of the opening tripping shaft 2101 is provided with an opening connecting rod shifting sheet I2104 and an opening button 2105 connected with the opening connecting rod shifting sheet I2104, the front end of the opening tripping shaft 2101 is provided with an opening connecting rod shifting sheet II 2106 and an opening electromagnetic valve 2107 positioned right above the opening connecting rod shifting sheet II 2106, the opening electromagnetic valve 2107 and the opening button 2105 can drive the opening tripping shaft 2101 to rotate, so that the first closing upper connecting rod 273 is separated from the opening limiting notch 2103, and opening action is completed.

In this embodiment, the isolation limiting assembly 54 includes an isolation base 541, a hexagonal bolt is disposed at the front end of the isolation operating shaft 52, the other end of the isolation operating shaft 52 passes through the isolation base 541 and is fixed on the isolation grounding base 51, a volute spring limiting rotor 542 and an isolation rotor 543 are disposed in the isolation base 541, a volute spring compressing rotor 544 fixed on the isolation operating shaft 52 is further disposed in the isolation base 541, the volute spring limiting rotor 542 is provided with a plurality of spring limiting grooves 545, a first clamping hook block 546 is disposed on the outer edge of the volute spring compressing rotor 544, the inner end of the planar volute spring 53 is fixed in one of the spring limiting grooves 545, the outer end of the planar volute spring 53 is fixed on the first clamping hook block 546, limiting clamping buckle notches 547 are disposed on the outer edge two ends of the isolation rotor 543, the side end of the isolating rotor 543 is provided with a first arc-shaped guide slot 548, a rotation limiting wheel device 549 is arranged between the first arc-shaped guide slot 548 and the outer edge of the isolating rotor 543, the rotation limiting wheel device 549 comprises a symmetrically arranged triangle base 5410, one end angle of the triangle base 5410 is hinged, the second end angle of the triangle base 5410 is provided with a limiting clamping wheel 5411, the limiting clamping wheel 5411 is attached to the outer edge of the isolating rotor 543 and is matched with the limiting clamping notch 547, the third end angle of one triangle base 5410 is connected with a raised head angle 5441 arranged in the middle of the scroll spring compressing rotor 544, before the plane scroll spring 53 is not compressed, the limiting clamping wheel 5411 of the other triangle base 5410 is just clamped in the limiting clamping notch 547, therefore, when the isolating operation shaft 52 drives the volute spring compression rotor 544 to rotate and compress the planar volute spring 53, the isolating rotor 543 cannot rotate, when the planar volute spring 53 is compressed to the limit, the raised head angle 5441 just drives the rotation limiting wheel device 549 to rotate, so that the limiting clamping wheel 5411 clamped in the limiting clamping notch 547 is lifted, thereby driving the volute spring limiting rotor 542 to rotate under the elastic potential energy of the planar volute spring 53, so as to drive the isolating rotor 543 to rotate, the outer side surface of the isolating grounding base 51 is provided with the isolating grounding plate 55, the middle part of the isolating grounding plate 55 is provided with the isolating grounding rotating shaft 551, the upper part of the isolating grounding plate 55 is provided with the second arc-shaped guide groove 552 and the third arc-shaped guide groove 553 connected with the second arc-shaped guide groove 552, the upper part of the isolating grounding base 51 is provided with the fourth arc-shaped guide groove 554, the lower end of the isolating rotor 543 is provided with a first linkage column, and the first linkage column 555 passes through the fourth arc-shaped guide groove 554 and is positioned in the second arc-shaped guide groove 552 and the third arc-shaped guide groove 555.

In this design structure, the operation process of the isolation limiting component 54 is as follows: the scroll spring compression rotor 544 is driven to rotate to compress the planar scroll spring 53 by rotating the isolation operation shaft 52, when the planar scroll spring 53 is compressed to the limit, the protrusion angle 5441 just drives the limit clamping wheel 5411 clamped in the limit clamping notch 547 to lift, so that the scroll spring limit rotor 542 is driven to rotate under the elastic potential energy of the planar scroll spring 53, the isolation rotor 543 is driven to rotate, and the first linkage column 555 is further driven to move in the guide groove, so that the isolation grounding rotating shaft 551 on the isolation grounding plate 55 is isolated to be switched on and off.

In this embodiment, the ground limiting assembly 44 includes a ground base 441, the ground rotating assembly 42 includes a rotating base plate 442, a middle portion of the rotating base plate 442 is fixed with the ground operating shaft 41, a lower cylindrical shaft 443 is disposed at a lower portion of the rotating base plate 442, the ground base 441 is disposed with an upper cylindrical shaft 444 disposed obliquely above the lower cylindrical shaft 443, the compression spring assembly 43 includes a compression spring 431 and a compression guide plate 432, a guide chute 433 is disposed at a front end of the compression guide plate 432, a rear end of the compression guide plate 432 is fixed with the lower cylindrical shaft 443, the guide chute 433 is sleeved in the upper cylindrical shaft 444, the compression spring 431 is disposed between the upper cylindrical shaft 444 and the lower cylindrical shaft 443, a limiting boss 445 is disposed inside a side end of the ground base 441, and the limiting boss 445 is used for limiting a forward rotation stroke and a reverse rotation stroke of the rotating base plate 442; the lower part of the isolation grounding base 51 is provided with a fifth arc-shaped guide slot 511, the lower part of the isolation grounding plate 55 is provided with a sixth inclined guide slot 556, the inclined upper part of the rotating seat plate 442 is provided with a second linkage column 557, and the second linkage column 557 passes through the fifth arc-shaped guide slot 511 and is positioned in the sixth inclined guide slot 556.

In this design structure, the operation process of the grounding limiting assembly 44 is as follows: the clockwise rotation ground operation shaft 41 further drives the rotation seat plate 442 to rotate, so that the compression guide plate 432 moves obliquely upwards, the compression spring 431 compresses, when the compression spring 431 is at the end, the compression spring 431 reversely pushes the rotation seat plate 442 to rotate upwards and rotates to the limit boss 445, at this time, the second linkage column 557 can also move in the guide groove, and the isolation grounding rotating shaft 551 on the isolation grounding plate 55 performs grounding opening and closing.

In this embodiment, the present utility model further includes an air-insulated ring main unit, where the air-insulated ring main unit includes any one of the compact spring operating mechanisms and an operating chamber 1, the breaker operating mechanism 2 is disposed at an upper end of a wall surface of the operating chamber 1, an isolation grounding mechanism 3 is disposed at a lower end of the operating chamber 1, and the isolation grounding mechanism 3 is disposed at a lower end of the wall surface of the operating chamber 1.

The utility model is applied to the technical field of ring main units.

While the embodiments of this utility model have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this utility model, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.

Claims (10)

1. The utility model provides a compact spring operating device, includes circuit breaker operating device (2) and sets up in isolation earthing device (3) of circuit breaker operating device (2) below, isolation earthing device (3) are including earthing switch subassembly (4) and be located isolating switch subassembly (5) of earthing switch subassembly (4) top, its characterized in that:

the circuit breaker operating mechanism (2) comprises a circuit breaker base (21), a worm gear assembly (22), an energy storage motor (23), a gear transmission assembly (24), an energy storage rotating shaft assembly (25), two energy storage springs (26), a closing limiting assembly (27), a brake separating rotating shaft (28), a brake separating spring (29), a brake separating limiting assembly (210), a connecting rod assembly (211) and a gear rack assembly (212), wherein the worm gear assembly (22) is connected with an input shaft of the energy storage motor (23), the gear transmission assembly (24) is connected with an output shaft of the energy storage motor (23), the middle part of the energy storage rotating shaft assembly (25) penetrates through the gear transmission assembly (24), one ends of the two energy storage springs (26) are respectively connected with two ends of the energy storage rotating shaft assembly (25), the other ends of the two energy storage springs (26) are both fixed on the circuit breaker base (21), the brake separating limiting assembly (27) is used for keeping the energy storage springs (26) in an energy storage state after the energy storage springs (26) are stretched out of a limit position, one ends of the two ends of the energy storage springs (29) are fixed on the brake separating spring (29) and the other ends of the brake separating spring (29) are connected with the brake separating shaft (29), the connecting rod assembly (211) is sleeved and fixed on the brake separating rotating shaft (28), and the connecting rod assembly (211) is respectively contacted with the energy storage rotating shaft assembly (25), the gear rack assembly (212) and the brake separating limiting assembly (210) in the rotating stroke; the breaker operating mechanism (2) can perform opening and closing operations;

The isolating switch assembly (5) comprises an isolating grounding base (51), an isolating operation shaft (52), a plane spiral spring (53) and an isolating limiting assembly (54), wherein the isolating operation shaft (52) is installed on the isolating grounding base (51), the isolating limiting assembly (54) is arranged on the isolating operation shaft (52), and two ends of the plane spiral spring (53) are respectively connected with two ends of the isolating limiting assembly (54), so that the isolating operation shaft (52) can conduct isolating switch on-off operation.

2. A compact spring operator according to claim 1, wherein: the earthing switch assembly (4) comprises an earthing operation shaft (41), an earthing rotation assembly (42), a compression spring assembly (43) and an earthing limit assembly (44), wherein the earthing operation shaft (41) is installed on an isolating earthing base (51), the earthing rotation assembly (42) is fixed on the earthing operation shaft (41), one end of the compression spring assembly (43) is fixed on the isolating earthing base (51), the other end of the compression spring assembly (43) is connected with the earthing rotation assembly (42), and the earthing limit assembly (44) is arranged on a forward rotation stroke and a reverse rotation stroke of the earthing rotation assembly (42) and used for limiting the forward rotation stroke and the reverse rotation stroke of the earthing rotation assembly (42) so that the earthing operation shaft (41) can conduct earthing switch-on and switch-off operations.

3. A compact spring operator according to claim 2, wherein: the circuit breaker operating mechanism (2) further comprises a first mounting plate (22 a) and a second mounting plate (23 a) which are symmetrically arranged on the circuit breaker base (21), the worm wheel and worm assembly (22) comprises a worm mounting seat (221), a worm (222) and a worm wheel (223), the worm mounting seat (221) is mounted at the side end of the energy storage motor (23), the worm (222) is arranged in the worm mounting seat (221), the front end of the worm (222) is a hexagon bolt head, and the worm wheel (223) is arranged on the input shaft of the energy storage motor (23); the gear transmission assembly (24) comprises a pinion (241), a large gear (242) and a ratchet device (243), the energy storage motor (23) is installed at the side end of the first mounting plate (22 a), an input shaft of the energy storage motor (23) passes through the first mounting plate (22 a) and then is fixed on the second mounting plate (23 a), the pinion (241) is fixed on the input shaft of the energy storage motor (23), and the ratchet device (243) is installed between the first mounting plate (22 a) and the second mounting plate (23 a) and is located at the lower end of the pinion (241).

4. A compact spring operator according to claim 3, wherein: the energy storage rotating shaft assembly (25) comprises an energy storage rotating shaft (251), first connecting rods (252) are arranged at two ends of the energy storage rotating shaft (251), first mounting shafts (253) are arranged at the tail ends of the first connecting rods (252), one end of each energy storage spring (26) is connected with one of the first mounting shafts (253) respectively, the middle of the energy storage rotating shaft (251) is located between the first mounting plate (22 a) and the second mounting plate (23 a), a large gear (242) is sleeved on the middle of the energy storage rotating shaft (251), torque spring limiting retainers (254) are arranged on the end faces of the large gear (242), cams (255) located at the side ends of the large gear (242) are fixed at the middle of the energy storage rotating shaft (251), first gaps (2551) matched with the torque spring limiting retainers (254) are formed in the cams (255), and when the energy storage motor (23) stores energy, the large gear (242) idles at a certain angle, and then the energy storage springs (25) are clamped by the large gear limiting retainers (255) to enable the energy storage rotating shafts (25) to rotate.

5. A compact spring operator according to claim 4, wherein: the switching-on limiting assembly (27) comprises a switching-on limiting shaft (271) and a switching-on rotating shaft (272), the switching-on limiting shaft (271) and the switching-on rotating shaft (272) are both arranged between the first mounting plate (22 a) and the second mounting plate (23 a), the switching-on rotating shaft (272) is positioned above the switching-on limiting shaft (271), a first switching-on upper connecting rod (273) and a first switching-on lower connecting rod (274) are arranged on the switching-on rotating shaft (272), a first switching-off torsion spring (275) is fixed at the lower end of the first switching-on lower connecting rod (274), the other end of the first switching-off torsion spring (275) is fixed on the inner side surface of the second mounting plate (23 a), a connecting rod pushing wheel (276) is arranged on the side surface of the cam (255), a switching-on limiting notch (277) which is matched with the bottom of the first switching-on lower connecting rod (274) is arranged on the switching-on limiting shaft (271), when the first switching-on upper connecting rod (273) moves in the connecting rod pushing wheel (276) and stores energy, the first switching-on lower connecting rod (274) pushes the energy storage spring (274) to store energy, and when the first switching-on connecting rod (273) swings, the first switching-on spring (274) and the switching-on energy storage mechanism (274) and the first switching-on mechanism (274) and the energy storage device to store energy storage state, the end of the closing limiting shaft (271) penetrates out of the outer side face of the second mounting plate (23 a), a closing pulling piece (278) is arranged at the end of the closing limiting shaft (271), a closing electromagnetic valve (279) is arranged at the lower end of the closing pulling piece (278), a closing button (2710) is arranged at the upper end of the closing pulling piece (278), the closing electromagnetic valve (279) and the closing button (2710) can drive the closing limiting shaft (271) to rotate, and the first closing lower connecting rod (274) is separated from the closing limiting notch (277) to complete closing actions.

6. A compact spring operator according to claim 5, wherein: the connecting rod assembly (211) comprises connecting rod pieces (2111) symmetrically sleeved and fixed on the brake separating rotary shaft (28), an upper brake separating rotary wheel (2112) and a lower brake separating rotary wheel (2113) are respectively arranged between the upper end and the lower end of each connecting rod piece (2111), and a front brake separating pull rod (2114) is arranged between the front ends of the two connecting rod pieces (2111); the gear rack assembly (212) comprises a closing and opening tooth bracket (2121) fixed on the circuit breaker base (21), a closing and opening tooth bar (2122) positioned right above the front closing and opening pull rod (2114) is connected in a sliding manner in the closing and opening tooth bracket (2121), an incomplete gear (2123) is meshed with the side end of the closing and opening tooth bar (2122), and a closing and opening movable fit mandrel (2124) is sleeved and fixed on the incomplete gear (2123); the brake release limiting assembly (210) comprises a brake release shaft (2101) and a brake release positioning piece (2102) which are both arranged between the first mounting plate (22 a) and the second mounting plate (23 a), the brake release shaft (2101) is provided with a brake release limiting notch (2103) which is matched with the upper end face of the brake release positioning piece (2102), the brake release positioning piece (2102) is used for limiting the rotation of the upper brake release rotating wheel (2112), the brake release shaft (2101) is used for limiting the brake release positioning piece (2102) to rotate upwards, a brake closing rolling shifting wheel (256) is sleeved and fixed on the energy storage rotating shaft (251), and the brake closing rolling shifting wheel (256) is used for pushing the lower brake release rotating wheel (2113) to rotate when being used for closing, so that a brake release spring (29) is compressed and stores energy; the brake release device is characterized in that a brake release button (2105) connected with a brake release connecting rod shifting piece I (2104) is arranged at the tail end of a brake release tripping shaft (2101) and the brake release connecting rod shifting piece I (2104), a brake release connecting rod shifting piece II (2106) and a brake release electromagnetic valve (2107) arranged right above the brake release connecting rod shifting piece II (2106) are arranged at the front end of the brake release tripping shaft (2101), the brake release electromagnetic valve (2107) and the brake release button (2105) can drive the brake release tripping shaft (2101) to rotate, and the first brake release upper connecting rod (273) is separated from the brake release limiting notch (2103) to finish brake release action.

7. A compact spring operator according to claim 6, wherein: the isolation limiting assembly (54) comprises an isolation base (541), the front end of the isolation operating shaft (52) is a hexagon bolt, the other end of the isolation operating shaft (52) passes through the isolation base (541) and is fixed on the isolation grounding base (51), a volute spring limiting rotor (542) and an isolation rotor (543) are arranged in the isolation base (541), a volute spring compression rotor (544) fixed with the isolation operating shaft (52) is further arranged in the isolation base (541), the volute spring limiting rotor (542) is provided with a plurality of spring limiting grooves (545), a first clamping hook block (546) is arranged on the outer edge of the volute spring compression rotor (544), the inner end of a plane volute spring (53) is fixed in one of the spring limiting grooves (545), the outer end of the plane volute spring (53) is fixed on the first clamping hook block (546), limiting buckles (547) are respectively arranged at the two ends of the outer edge of the isolation rotor (541), a first end (548) is provided with a plurality of spring limiting grooves (545), a first end (54549) is arranged along the arc-shaped base (54549) and a rotation limiting device (10), two the one end angle of triangle-shaped base (5410) articulates mutually, the second end angle of triangle-shaped base (5410) is provided with spacing clamping wheel (5411), spacing clamping wheel (5411) is being pasted keep apart the outer edge of rotor (543) and with spacing buckle breach (547) looks adaptation, one of them the third end angle of triangle-shaped base (5410) with protruding head angle (5441) that spiral spring compression rotor (544) middle part was equipped with are connected, keep apart ground connection base (51) lateral surface and be provided with isolation earthing piece (55), the middle part of isolation earthing piece (55) is provided with isolation earthing pivot (551), the upper portion of isolation earthing piece (55) be equipped with second arc guide slot (552) and with third arc guide slot (553) that second arc guide slot (552) are connected, the upper portion of isolation earthing base (51) is equipped with fourth arc guide slot (554), the lower extreme of isolation rotor (543) is provided with first linkage column (555), third linkage column (554) are located third arc guide slot (552) after passing.

8. A compact spring operator according to claim 7, wherein: the ground connection limiting assembly (44) comprises a ground connection base (441), the ground connection rotating assembly (42) comprises a rotating base plate (442), the middle part of the rotating base plate (442) is fixed with the ground connection operation shaft (41), a lower cylindrical shaft (443) is arranged at the lower part of the rotating base plate (442), the ground connection base (441) is provided with an upper cylindrical shaft (444) which is arranged obliquely above the lower cylindrical shaft (443), the compression spring assembly (43) comprises a compression spring (431) and a compression guide plate (432), the front end of the compression guide plate (432) is provided with a guide chute (433), the rear end of the compression guide plate (432) is fixed with the lower cylindrical shaft (443), the guide chute (433) is sleeved in the upper cylindrical shaft (444), the compression spring (431) is arranged between the upper cylindrical shaft (444) and the lower cylindrical shaft (443), and a limiting boss (445) is arranged inside the side end of the ground connection base (441) and used for limiting the rotation of the rotating base plate (442).

9. A compact spring operator according to claim 8, wherein: the lower part of the isolation grounding base (51) is provided with a fifth arc-shaped guide groove (511), the lower part of the isolation grounding piece (55) is provided with a sixth inclined guide groove (556), the inclined upper part of the rotating seat plate (442) is provided with a second linkage column (557), and the second linkage column (557) passes through the fifth arc-shaped guide groove (511) and then is positioned in the sixth inclined guide groove (556).

10. An air insulation looped netowrk cabinet, its characterized in that: comprising a compact spring operated mechanism according to any one of claims 1-9.