CN204668177U - A kind of operation mechanism for high voltage switch - Google Patents
A kind of operation mechanism for high voltage switch Download PDFInfo
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- CN204668177U CN204668177U CN201520380238.1U CN201520380238U CN204668177U CN 204668177 U CN204668177 U CN 204668177U CN 201520380238 U CN201520380238 U CN 201520380238U CN 204668177 U CN204668177 U CN 204668177U
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- separating brake
- spring
- connecting lever
- ratchet
- pawl
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Abstract
A kind of operation mechanism for high voltage switch, relates to the interlocking device of circuit breaker.Comprise the energy storage device, three linkages, closing pawl locker, the sincere sub-locker of separating brake, oily buffer unit and the mechanical anti-bouncing device that fit together, be positioned at the tripping spring energy storage on same center line with it when energy storage device ensures that switching-in spring discharges, avoid the energy loss that lever camber line produces, save switching-in spring power, little to the impact of mechanism, improve the life-span of mechanism's machinery.Switch-on latching device makes snap close and threads off more to meet the laborsaving principle of circumference mechanics, and closing operation power diminishes, and reliability increases, and solves primary cut-out and often occurs closing the unstable technical barrier of point, deciliter.The sincere sub-locker of separating brake adopts separating brake connecting lever, major axis and spring co-ordinative construction, and the conjunction solving primary cut-out appearance divides, deciliter unstable technical barrier.Three bar linkage structures oppress tripping spring with straight line, alleviate mechanism element impact, reduce energy loss, improve mechanism mechanical endurance.
Description
Technical field
The utility model relates to interlocking device's technical field of circuit breaker, particularly a kind of operation mechanism for high voltage switch with spring mechanism.
Background technology
High-voltage switch gear is as the important power transmission and transforming equipment in electrical network, technical merit development in nearly ten years is very fast, achieves three-phase combined type, miniaturized, intelligentized developing goal, as the spring operating mechanism of high-voltage switch gear core drive part, because the difficulty manufactured and designed limit, nearly 30 years also without any progress, for decades, although new patent is had to occur, due to design defect, all the time not used for operation of power networks even.Using CT20, CT30 old product, market needs the novel mechanism of new technology, new construction, high reliability, small size, low cost to research and develop successfully in a hurry always, carries out supporting to miniaturized, intelligentized high-voltage switch gear.
Summary of the invention
The purpose of this utility model is to provide a kind of operation mechanism for high voltage switch, and it is rational in infrastructure, easy for installation, be convenient to safeguard.
The technical scheme that the utility model adopts is: a kind of operation mechanism for high voltage switch, comprise the energy storage device fitted together, three linkages, closing pawl locker, the sincere sub-locker of separating brake, oil buffer unit and mechanical anti-bouncing device, its technical essential is: also comprise the baffle plate assembly with overhead gage and lower baffle plate, baffle plate assembly is fixedly connected with energy storage device through connecting plate, three linkages, closing pawl locker, the sincere sub-locker of separating brake is all fixed between baffle plate assembly, oil buffer unit and mechanical anti-bouncing device are arranged on outside baffle plate assembly, oil buffer unit is connected with energy storage device, machinery anti-bouncing device is connected with three connecting rods.
As a kind of preferred version of the present utility model, described energy storage device comprise with the motor of the first bevel gear, the second bevel gear, the bent axle with front end axle and main shaft, the ratchet assembly with energy storage pawl, auxiliary jaw, ratchet, cam and check pawl, with the energy storage component of the connecting rod of switching-in spring, tripping spring, pivot flange, connecting plate, screw rod, holder thick stick, the spring guide cylinder with baffle plate and elongated end;
Second bevel gear is socketed on the front end axle of bent axle, the first bevel gear on motor and the second bevel gear are connected with a joggle, the turning end of energy storage pawl is socketed on the main shaft of bent axle, energy storage pawl inserts in the teeth groove of ratchet, first rotation axis to be fixed between casing member and is positioned at above the ratchet of bent axle side, the turning end of auxiliary jaw is socketed on the first rotation axis, and auxiliary jaw can be inserted in the teeth groove of ratchet, connecting plate one end is fixedly connected with ratchet, be fixed on holder thick stick after connecting plate other end connecting screw rod, screw rod is also provided with the pivot flange with through hole, guide rail is through pivot flange through hole, contact with pivot flange through-hole inner surface bottom guide rail, guide rail one end is fixed on holder thick stick, the roller along slide is also provided with between connecting rod and connecting screw rod, above-mentioned energy storage component is all arranged in the elongated end of spring guide cylinder, spring base is connected in spring guide cylinder elongated end by the through hole on spring guide cylinder baffle plate, also tripping spring is provided with between spring guide cylinder and pivot flange, tripping spring one end contacts with spring base, the other end contacts with pivot flange and to pass through this pivot flange spacing, also be provided with the boots seat of spacing switching-in spring at the elongated end outer wall of spring guide cylinder, boots seat is fixedly connected with holder thick stick, between boots seat and spring guide cylinder baffle plate, be provided with switching-in spring, second rotating shaft and the 3rd rotating shaft are fixed on below ratchet, first check pawl is socketed in the second rotating shaft, first check pawl is also provided with the pawl head slided along the ratchet back of tooth, and the second check pawl is socketed in the 3rd rotating shaft, and the second check pawl is also provided with the pawl head slided along the ratchet back of tooth.
As further preferred version of the present utility model, described ratchet is made up of left ratchet and right ratchet, and left ratchet is connected by the first cam with centre bore with right ratchet, and the location hole of the right ratchet of the location hole of left ratchet, plate is coaxial with the first cam center hole; Described connecting plate is made up of left connecting plate and right connecting plate, and left connecting plate is connected by the second cam with right connecting plate, and the second cam rotates along camshaft.
As another kind of preferred version of the present utility model, three described linkage are made up of main connecting lever, bridge shape connecting plate and separating brake connecting lever in being connected in turn, interior main connecting lever one end is socketed on the 4th rotating shaft, the interior main connecting lever other end is connected with bridge shape connecting plate by bearing pin, described bearing pin is also provided with roller, bridge shape connecting plate passes through together with pinned connection with separating brake connecting lever, and described bearing pin is also provided with roller, and roller slides up and down along the spring base end bosses of energy storage device; Interior main connecting lever is arranged between two connecting plates of energy storage device; Separating brake connecting lever is fixed between baffle plate assembly by the 5th rotation axis; Separating brake connecting lever be also provided with roller bearing with the sincere sub-opposite side of separating brake.
As another preferred version of the present utility model, described closing pawl locker, comprise with the closing pawl of roller, semiaxis, the first closing pawl, little closing pawl and the first magnet with the first groove and the second groove, semiaxis is fixed between baffle plate assembly, little closing pawl and the first closing pawl are all arranged on one end of semiaxis, closing pawl is also provided with the first boss be connected in semiaxis first groove and the second boss be connected in semiaxis second groove, closing pawl is also provided with the fore shaft of the second cam on connecting rod in position-limiting energy-storage device; First magnet is also provided with the magnetic bar with button, and magnetic bar is oppositely arranged away from that one end of button and the first closing pawl; The roller of closing pawl slides along ratchet inboard groove and is used for spacing closing pawl.
As further preferred version of the present utility model, the first magnet is fixed on baffle plate assembly by support plate.
As further preferred version of the present utility model, it is characterized in that: closing pawl is fixed between baffle plate assembly by the 5th rotation axis, the 5th rotation axis is also provided with torsion spring.
As another preferred version of the present utility model, the sincere sub-locker of described separating brake, by the sincere son of separating brake, second magnet, the sincere son of little separating brake, the sincere son of first separating brake and the sincere son composition of the second separating brake, the sincere son of first separating brake, the sincere son of second separating brake and the sincere son of little separating brake are all arranged on major axis, major axis is fixed between baffle plate assembly, the sincere son of separating brake is by the sincere son of main separating brake with connecting lever and with chute, the sincere son composition of secondary separating brake of the first connecting lever and the second connecting lever, the connecting lever of the sincere son of main separating brake is plugged in the chute of the sincere son of secondary separating brake, the roller bearing be arranged on the separating brake connecting lever of three linkages can along the apparent motion of sincere sub second connecting lever of secondary separating brake, undertaken spacing by the head face hump of sincere sub second connecting lever of secondary separating brake, the spring for sincere sub first connecting lever of spacing secondary separating brake is also provided with between first connecting lever and tripping spring seat of the sincere son of secondary separating brake, second magnetic blow out centre is connected with the magnetic bar with button, and the second magnet is fixed between baffle plate assembly through support plate.
As another preferred version of the present utility model, described oily buffer unit, comprise cushion dashpot, cushion collar, piston, cylinder seat and Connection Block, piston connects outside connecting lever through the centre bore of cylinder seat through joint, piston connects cushion dashpot outward, cushion dashpot is fixed on Connection Block, and Connection Block is fixed on the baffle plate of spring guide cylinder.
As another preferred version of the present utility model, machinery anti-bouncing device, comprise connecting rod, the anti-jump connecting rod with square opening, anti-jump spring and anti-jump connecting lever, connecting rod is fixed on the interior main connecting lever of three connecting rods, and slide in the chute of baffle plate assembly with interior main connecting lever, anti-jump connecting rod and anti-jump connecting lever are rotationally connected, and the square opening of anti-jump connecting rod is also provided with the anti-jump connecting lever steady pin of spacing anti-jump spring, and anti-jump connecting lever also has the free end for spacing main closing pawl first closing pawl.
Advantage of the present utility model and good effect are: this operation mechanism for high voltage switch, comprise the energy storage device fitted together, three linkages, closing pawl locker, the sincere sub-locker of separating brake, oil buffer unit and mechanical anti-bouncing device, its energy storage device employing driven by motor ratchet moves in a circle and spring straight line is compressed, have laborsaving, space-efficient advantage, simultaneously, spring guide cylinder is utilized to make switching-in spring when discharging, the tripping spring energy storage on same center line is positioned at switching-in spring, no longer changed by lever, the energy loss that this structure avoids lever camber line to produce, save switching-in spring power, little to the impact of mechanism, improve the life-span of mechanism's machinery.Switch-on latching device of the present utility model, it is the circular motion utilizing combined floodgate semiaxis, the rectilinear motion of locking closing pawl, switch-on latching and the first magnet are threaded off and more meets the laborsaving principle of circumference mechanics, closing operation power diminishes, making electromagnet smaller volume, volume is 30% of original old product, reliability increases, and economy improves, and solves that the conjunction that primary cut-out often occurs divides, deciliter unstable technical barrier.The sincere sub-locker of separating brake in the utility model, adopt separating brake connecting lever, major axis and spring co-ordinative construction, arranging of separating brake connecting lever reduces mechanical shock to closing pawl, the arc latch of separating brake connecting lever is threaded off and is more met the laborsaving principle of circumference mechanics, sub-switching operation power diminishes, and tripping electromagnet diminishes, and reliability increases, economy improves, and solves that the conjunction that primary cut-out often occurs divides, deciliter unstable technical barrier.Separating brake connecting lever relies on the cam locking of separating brake connecting lever end, and the faying face of cam and the sincere son of separating brake is plane, instead of curved surface, the circle wheel linear function of separating brake connecting lever is on cam, the sincere sub-coupling mechanism force straight line of separating brake is transmitted to separating brake axis of spindle, and dispersion, does not make separating brake snap close the most firm.Three bar linkage structures of the present utility model, utilize the cam on ratchet connecting axle to the bridge shape connecting plate of lower compression three connecting rod, instead of main connecting lever in clashing into, be straight line compressing tripping spring, instead of curve compressing tripping spring, this compression type energy storage can alleviate mechanism element impact, reduces energy loss, improves mechanism mechanical endurance, this orthoscopic compressing energy storage is compared with traditional curvilinear style, decrease dispersion and the energy loss of power, improve device longevity, reduce costs.Oily buffer gear of the present utility model, organization volume is little, and the damping of generation is large and stable, can well protect high-voltage switch gear divide-shut brake safety.
Accompanying drawing explanation
Fig. 1 is the utility model operation mechanism for high voltage switch structural representation;
Fig. 2 is the utility model operation mechanism for high voltage switch energy storage schematic diagram;
Fig. 3 is the utility model operation mechanism for high voltage switch combined floodgate schematic diagram;
Fig. 4 is the utility model operation mechanism for high voltage switch oil buffer structure schematic diagram;
Fig. 5 is the auxiliary switchgear structural representation of the utility model operation mechanism for high voltage switch;
Fig. 6 is the switch-on latching apparatus structure schematic diagram of the utility model operation mechanism for high voltage switch;
Fig. 7 is the separating brake locker structural representation of the utility model operation mechanism for high voltage switch;
In figure, sequence number illustrates: 1 big nut, 2 holder thick sticks, 3 boots seats, 4 switching-in springs, 5 tripping spring adjusting bolts, 6 pivot flanges, 7 guide rails, 8 tripping springs, 9 spring guide cylinders, 9-1 baffle plate, 9-2 elongated end, 10 connectors, 11 connecting plates, 12 spring bases, main connecting lever in 13, 14 anti-jump connecting rods, 15 bridge shape connecting plates, 16 check pawls, 17 ratchets, 18 first magnet, 19 first closing pawls, 20 anti-jump connecting levers, 21 rollers, 22 closing pawls, 22-1 first boss, 22-2 second boss, 22-3 torsion spring, 22-4 fore shaft, 23 energy storage pawls, 24 bent axles, 25 auxiliary jaw, 26 separating brake connecting levers, 27 first cams, the sincere son of 28 secondary separating brake, 28-1 first connecting lever, 28-2 second connecting lever, 28-3 chute, the sincere son of 29 little separating brake, 30 springs, 31 baffle plate assemblies, 32 screw rods, 33 major axis, 34 semiaxis, 34-1 first groove, 34-2 second groove, 35 Connection Blocks, 36 cushion dashpots, 37 cushion collars, 38 cylinder seats, 39 pistons, 40 auxiliary switches, 41 travelling gears are paid, 42 connecting rods, 43 anti-jump springs, 44 the 4th rotating shafts, 45 bearing pins, 46 bearing pins, 47 the 5th rotating shafts, 48 roller bearings, 49 little closing pawls, 50 closing pawl lockers, 51 second magnet, the sincere son of 52 first separating brake, the sincere son of 53 second separating brake, the sincere son of 54 separating brake, the sincere son of 55 main separating brake, 55-1 connecting lever.
Embodiment
A step detailed description is made below in conjunction with accompanying drawing 1 ~ 7 pair of the utility model.
The present embodiment operation mechanism for high voltage switch, comprise the energy storage device fitted together, three linkages, closing pawl locker, the sincere sub-locker of separating brake, oil buffer unit and mechanical anti-bouncing device, also comprise the baffle plate assembly 31 with overhead gage and lower baffle plate, baffle plate assembly 31 is fixedly connected with energy storage device through connecting plate, three linkages, closing pawl locker, the sincere sub-locker of separating brake is all fixed between baffle plate assembly 31, oil buffer unit and mechanical anti-bouncing device are arranged on outside baffle plate assembly 31, oil buffer unit is connected with energy storage device, machinery anti-bouncing device is connected with three connecting rods.
Energy storage device comprise with the motor of the first bevel gear, the second bevel gear, the bent axle 24 with front end axle and main shaft, the ratchet assembly with energy storage pawl 23, auxiliary jaw 25, ratchet 17, cam and check pawl 16, with switching-in spring 4, tripping spring 8, connecting plate 11, pivot flange 6, connecting plate 11, screw rod 32, the holder energy storage component of thick stick 2, the spring guide cylinder 9 with baffle plate 9-1 and elongated end 9-2;
Second bevel gear is socketed on the front end axle of bent axle 24, the first bevel gear on motor and the second bevel gear are connected with a joggle, the turning end of energy storage pawl is socketed on the main shaft of bent axle 24, energy storage pawl inserts in the teeth groove of ratchet 17, first rotation axis to be fixed between casing member and is positioned at above the ratchet 17 of bent axle 24 side, the turning end of auxiliary jaw 25 is socketed on the first rotation axis, and auxiliary jaw can be inserted in the teeth groove of ratchet 17; Connecting plate 11 one end is fixedly connected with ratchet 17, is fixed on holder thick stick 2 after connecting plate 11 other end connecting screw rod 32, and holder thick stick 2 end connects big nut 1 screw thread and is fixed.Screw rod 32 is also provided with the pivot flange 6 with through hole, guide rail 7 is through pivot flange 6 through hole, contact with pivot flange 6 through-hole inner surface bottom guide rail 7, guide rail 7 one end is fixed on holder thick stick 2, the roller slided along guide rail 7 is also provided with between connecting plate 11 and connecting screw rod 32, above-mentioned energy storage component is all arranged in the elongated end 9-2 of spring guide cylinder 9, spring base 12 is connected in the elongated end 9-2 of spring guide cylinder 9 by the through hole on baffle plate 9-1, tripping spring 8 is also provided with between spring guide cylinder 9 and pivot flange 6, tripping spring 8 one end contacts with spring base 12, the other end contacts with pivot flange 6 and spacing by this pivot flange 6, pivot flange 6 is fixed by tripping spring adjusting bolt 5.Also be provided with the boots seat 3 of spacing switching-in spring 4 at the outer wall of the elongated end 9-2 of spring guide cylinder 9, boots seat 3 is fixedly connected with holder thick stick 2, is provided with switching-in spring 4 between boots seat 3 and the baffle plate 9-1 of spring guide cylinder 9.
Second rotating shaft and the 3rd rotating shaft are fixed on below ratchet 17, first check pawl is socketed in the second rotating shaft, first check pawl is also provided with the pawl head slided along ratchet 17 back of tooth, and the second check pawl is socketed in the 3rd rotating shaft, and the second check pawl is also provided with the pawl head slided along ratchet 17 back of tooth.
Ratchet 17 is made up of left ratchet and right ratchet, and left ratchet is connected by the first cam 27 with centre bore with right ratchet, and the location hole of left ratchet, the location hole of right ratchet are coaxial with the first cam 27 centre bore; Connecting plate 11 is made up of left connecting plate and right connecting plate, and left connecting plate is connected by the second cam with right connecting plate, and the second cam rotates along camshaft.
Three linkage are made up of main connecting lever 13, bridge shape connecting plate 15 and separating brake connecting lever 26 in being connected in turn, interior main connecting lever 13 one end is socketed in the 4th rotating shaft 44, interior main connecting lever 13 other end is connected with bridge shape connecting plate 15 by bearing pin 45, this bearing pin 45 is also provided with roller, and bridge shape connecting plate 15 and separating brake connecting lever 26 are linked together by bearing pin 46.This bearing pin 46 is also provided with roller, and roller slides up and down along spring base 12 end bosses of energy storage device.Interior main connecting lever 13 is arranged between two connecting plates 11 of energy storage device; Separating brake connecting lever 26 is fixed between baffle plate assembly by the 5th rotating shaft 47; Separating brake connecting lever 26 be also provided with roller bearing 48 with the sincere sub-opposite side of separating brake.
Closing pawl locker, comprise the closing pawl 22 with roller 21, with the semiaxis 34 of the first groove 34-1 and the second groove 34-2, first closing pawl 19, little closing pawl 49 and the first magnet 18, semiaxis 34 is fixed between baffle plate assembly 31, little closing pawl 49 and the first closing pawl 19 are all arranged on one end of semiaxis 34, closing pawl 22 is also provided with the first boss 22-1 be connected in semiaxis 34 first groove 34-1 and the second boss 22-2 being connected to 34-2 in semiaxis 34 second groove, closing pawl 22 is also provided with the fore shaft 34-4 of the second cam on connecting plate 11 in position-limiting energy-storage device, first magnet 18 is also provided with the magnetic bar with button, and magnetic bar is oppositely arranged away from that one end of button and the first closing pawl 19, the roller 21 of closing pawl 22 slides along ratchet inboard groove and is used for spacing closing pawl 22.First magnet 18 is fixed on baffle plate assembly by support plate.Closing pawl 22 is fixed between baffle plate assembly by the 6th rotation axis, and the 6th rotation axis is also provided with torsion spring 22-3.The counter-force of the switching-in spring 4 in the present embodiment and the own spring force of closing pawl 22 make closing pawl about 22 rectilinear motion, semiaxis 34 utilizes the spring force of self to make recess axis rotate restriction closing pawl about 22 and runs the locking of realization combined floodgate, be exactly the circular motion utilizing semiaxis 34 furtherly, the rectilinear motion of locking closing pawl 22, switch-on latching and electromagnet are threaded off and more meets the laborsaving principle of circumference mechanics, closing operation power diminishes, making electromagnet smaller volume, volume is 30% of original old product, reliability increases, and economy improves.Solve that the conjunction that primary cut-out often occurs divides, deciliter unstable technical barrier.
The sincere sub-locker of separating brake, by separating brake sincere sub 54, second magnet 51, little separating brake sincere sub 29, first separating brake sincere sub 52 and sincere sub 53 compositions of the second separating brake, first separating brake sincere sub 52, second separating brake sincere sub 53 and little separating brake sincere sub 29 are all arranged on major axis 33, major axis 33 is fixed between baffle plate assembly 31, separating brake sincere sub 54 is by the main separating brake sincere sub 55 with connecting lever 55-1 and with chute 28-3, sincere sub 28 compositions of secondary separating brake of the first connecting lever 28-1 and the second connecting lever 28-2, the connecting lever 55-1 of main separating brake sincere sub 55 is plugged in the chute 28-3 of secondary separating brake sincere sub 28, the roller bearing 48 be arranged on the separating brake connecting lever 26 of three linkages can along the apparent motion of the sincere sub 28 second connecting lever 28-2 of secondary separating brake, undertaken spacing by the head face hump of the sincere sub 28 second connecting lever 28-2 of secondary separating brake, the spring 30 for the sincere sub 28 first connecting lever 28-1 of spacing secondary separating brake is also provided with between the first connecting lever 28-1 and tripping spring seat 12 of secondary separating brake sincere sub 28, second magnet 51 center is connected with the magnetic bar with button, and the second magnet 51 is fixed between baffle plate assembly 31 through support plate.
Oil buffer unit, comprise cushion dashpot 36, cushion collar 37, piston 39, cylinder seat 38 and Connection Block 35, piston 39 connects outside connecting lever through the centre bore of cylinder seat 38 through joint, piston 39 is outer connects cushion dashpot 36, cushion dashpot 36 is fixed on Connection Block 35, and Connection Block 35 is fixed on the baffle plate 9-1 of spring guide cylinder 9.
Machinery anti-bouncing device, comprise connecting rod 42, anti-jump connecting rod 14, anti-jump spring 43 and anti-jump connecting lever 20 with square opening, connecting rod 42 is fixed on the interior main connecting lever 13 of three connecting rods, and slide in the chute of baffle plate assembly 31 with interior main connecting lever 13, anti-jump connecting rod 14 is rotationally connected with anti-jump connecting lever 20, the square opening of anti-jump connecting rod 14 is also provided with anti-jump connecting lever 20 steady pin of spacing anti-jump spring 43, and anti-jump connecting lever 20 also has the free end of the first closing pawl 19 for spacing main closing pawl 22.
Auxiliary switchgear, the present embodiment is also provided with auxiliary switchgear at the outer surface of lower baffle plate, and this device comprises auxiliary switch 40 and travelling gear pays 41.
The separating brake of the present embodiment and combined floodgate thermal energy storage process are described below:
Combined floodgate, the separating brake energy storage course of work are: electrical power, and drive the second bevel gear to rotate, the second bevel gear driving crank rotates, and bent axle drives energy storage pawl reciprocating ratchet circular motion.Ratchet is by the energy storage of band of links dynamic circuit connector lock spring-compressed, and when ratchet recesses crosses circumference summit, energy storage cam cuts off travel switch, and motor power-off stops, and closing pawl snap close, combined floodgate energy storage terminates.After first magnet energising, unlock closing pawl, switching-in spring discharges, and compress same supercentral tripping spring, tripping spring completes energy storage.Ratchet uniform circular motion in the present embodiment drives switching-in spring straight line compressed energy-storage, switching-in spring is pulled by ratchet connecting plate and drags thick stick, thick stick is dragged to pull thick washer bottom switching-in spring, thick washer evenly pulls compression of closing a floodgate, this structure drives spring straight line to compress under motor and ratchet circular motion, has laborsaving, space-efficient advantage.Spring bottom thickening washer ensures that spring circumference is well-balanced stressed, and during the release of combined floodgate spring, power moves along a straight line all the time.Switching-in spring discharges to the tripping spring energy storage on same center line, instead of is changed by lever.To be switching-in spring walk its advantage to tripping spring energy storage is straight line, and avoid the energy loss that lever camber line produces, save switching-in spring power, this structure is also little to the impact of mechanism in addition, improves mechanism mechanical endurance.
Switch-on latching and releasing process are: electrical power, Crankshaft motion drives energy storage pawl to promote ratchet rotation, the roller of closing pawl rolls at the cylindrical of ratchet, when closing pawl roller runs into ratchet cylindrical groove port, sincere son falls under spring force, combined floodgate semiaxis lockover closing pawl, prevents it from returning, and completes combined floodgate energy storage locking.First magnet energising, promote combined floodgate semiaxis and rotate, unlock closing pawl, switching-in spring discharges.The groove of two rollers of the closing pawl in the present embodiment and two ratchets is just in time positioned at combined floodgate energy storage latched position, and closing pawl can move up and down under own spring force and the effect of switching-in spring power.In the present embodiment when two of closing pawl boss are positioned at two grooves of combined floodgate semiaxis, combined floodgate semiaxis can rotate under own spring force effect, and its recess axis restriction closing pawl up moves and realizes locking of closing a floodgate.When the camshaft be connected with two ratchets and ratchet recesses cross circumference summit, switching-in spring energy storage completes, and spring force reacts to closing pawl and ratchet recesses joint portion by spring connecting plate, and closing pawl and combined floodgate semiaxis recess axis place lock.Close a floodgate locking time combined floodgate semiaxis on the connecting lever of the first closing pawl be pressed onto the first magnet stop on shelves, electromagnet has gap can be in harmonious proportion spring adjustable function, and the Circuit Closing Parameters of Reliable guarantee mechanism meets circuit breaker requirement, and volume only has 1/3rd of old product.
Separating brake snap close and releasing process are: during switching-in spring release, switching-in spring drives the roller of the second cam compressing separating brake connecting lever on two ratchet shafts by connecting plate, roller drives connecting plate motion compresses tripping spring, to tripping spring energy storage, the roller bearing of three connecting rod separating brake connecting levers laterally pushes away the sincere son of secondary separating brake, realizes brake-dividing locking.Second magnet energising, realizes unlocking.The separating brake connecting lever of the present embodiment can with own spring force or tripping spring opposing spring force arc swing, major axis plays the effect that restriction separating brake connecting lever swings, three link rods snap close roller bearing when transverse movement scrapes the top that separating brake connecting lever continues to move to arching trajectory off, then accelerate return under the reaction of tripping spring release force, separating brake connecting lever is first return under own spring force effect, major axis restriction separating brake connecting lever is toward lower swing, block the path that three link rod snap close roller bearings are return, achieve the sincere son locking of separating brake.The sincere son of separating brake adopts separating brake connecting lever, major axis and groups of springs camber snap close technology, cantilever technology reduces the mechanical shock to closing pawl, arc latch is threaded off and is more met the laborsaving principle of circumference mechanics, sub-switching operation power diminishes, tripping electromagnet diminishes, reliability increases, and economy improves, and solves that the conjunction that primary cut-out often occurs divides, deciliter unstable technical barrier.The major axis of the sincere son of separating brake relies on the sincere sub-snap close locking of the little separating brake on separating brake major axis, and the faying face of the sincere son of little separating brake and the sincere son of secondary separating brake is plane, instead of curved surface.The roller linear function of separating brake connecting lever is buckled at the sincere sub-cam lock of secondary separating brake, and the sincere sub-coupling mechanism force straight line of separating brake is transmitted to separating brake axis of spindle, and dispersion, does not make separating brake snap close the most firm.
The three linkage courses of work: three connecting rods are motion cores originally, it plays switching-in spring tripping spring power conversion, brake-dividing locking, the rotation of drive output Abduction arm, realizes the effect of high-voltage switch gear divide-shut brake function.Its operation principle is, during switching-in spring release, the circle that the cam be connected with switching-in spring connecting plate and ratchet promotes on three link rods is taken turns, circle wheel drive three link motion, and three link rods produce the component in three directions, one is to switching-in spring release direction compression tripping spring, to tripping spring energy storage, two is that vertical drive output toggle arm rotates 45 °, and energizes high-pressure switch lever completes contact combined floodgate task, three is that three connecting rod snap close connecting lever axles laterally push the sincere sub-cantilever of separating brake open, realizes brake-dividing locking.It is characterized in that cam on two ratchet connecting axles is to lower compression three connecting rod intermediate bar, instead of shock energy-storage crank arm, it is straight line compressing tripping spring, instead of curve compressing tripping spring, advantage is that compression type energy storage can alleviate mechanism element impact, reduce energy loss, improve mechanism mechanical endurance; Orthoscopic compressing energy storage is compared with curvilinear style, the dispersion of reduced force and energy loss.Improve device longevity, reduce costs.
Three connecting rods are motion cores of this operating mechanism, and it plays switching-in spring, tripping spring power conversion, brake-dividing locking, the rotation of drive output Abduction arm, realizes the effect of high-voltage switch gear divide-shut brake function.Its course of work is: during switching-in spring release, the cam be connected with switching-in spring connecting plate and ratchet promotes the roller on three link rods, roller drives three link motions, three link rods produce the component in three directions, and one is to switching-in spring release direction compression tripping spring, to tripping spring energy storage, two is that vertical drive output toggle arm rotates 45 °, energizes high-pressure switch lever completes contact combined floodgate task, and three is that three connecting rod separating brake connecting lever axles laterally push the sincere son of secondary separating brake open, realizes brake-dividing locking.When the cam on two ratchet connecting axles is to lower compression three connecting rod bridge shape connecting plate, instead of main connecting lever in clashing into, be straight line compressing tripping spring, instead of curve compressing tripping spring, advantage is that compression type energy storage can alleviate mechanism element impact, reduces energy loss, improves mechanism mechanical endurance; Orthoscopic compressing energy storage is compared with curvilinear style, the dispersion of reduced force and energy loss.Improve device longevity, reduce costs.
The course of work of machinery anti-bouncing device is: after combined floodgate, in three connecting rods, main connecting lever is rotated down, and anti-jump connecting rod is descending under its spring-force driven dual, drives anti-jump connecting rod to rotate near anti-jump connecting lever, do not enter anti-jump connecting lever lower end, at this moment switching-in spring energy storage again, the iron that combined floodgate connecting lever is pressed onto the first magnet stops on shelves, and corresponding anti-jump connecting lever sticks up, anti-jump connecting rod enters its lower end, even if at this moment the first magnet promotes connecting lever, the anti-jump connecting lever of the other end also can limit its motion, realizes anti-bouncing function.
Oil buffer unit, spring mechanism separating brake can produce impact to high-voltage switch contact when closing a floodgate, contact can be caused time serious to damage, oil buffering is utilize hydraulic valve principle to play effect that spring mechanism slows down impact, during divide-shut brake, six square shafts drive divide-shut brake connecting lever circular motion, connecting lever drives piston rod and the motion of high-voltage switch gear divide-shut brake pull bar, while realizing divide-shut brake, slows down the impact to high-voltage switch gear.Oil cylinder is had in oil buffering cylinder body, oil cylinder is distributed with outage up and down, outage is more down less, has piston rod in oil cylinder, and piston rods starting position is in the centre of oil cylinder, it is down combined floodgate damping, be up separating brake damping, one end of cylinder body is airtight valve seat, and valve seat has twice polytetrafluoroethyloil oil seals, one fairlead, plays the effect that sealing prevents leakage of oil.When piston rod is up, descending, fluid oil is discharged from the circular hole of oil cylinder, the size of oil cylinder circular hole, quantity determine the speed of oil extraction, the speed of oil extraction determines the size of damping force, outage is more down less, make damping force increasing, ensure that the end contact closed a floodgate at separating brake keeps stable.This structural volume is little, and the damping of generation is large and stable, can well protect high-voltage switch gear divide-shut brake safety.
Claims (10)
1. an operation mechanism for high voltage switch, comprise the energy storage device being assembled into integrative-structure, three linkages, closing pawl locker, the sincere sub-locker of separating brake, oil buffer unit and mechanical anti-bouncing device, it is characterized in that: also comprise the baffle plate assembly with overhead gage and lower baffle plate, baffle plate assembly is fixedly connected with energy storage device through connecting plate, three linkages, closing pawl locker, the sincere sub-locker of separating brake is all fixed between baffle plate assembly, oil buffer unit and mechanical anti-bouncing device are arranged on outside baffle plate assembly, oil buffer unit is connected with energy storage device, machinery anti-bouncing device is connected with three connecting rods.
2. operation mechanism for high voltage switch as claimed in claim 1, is characterized in that: described energy storage device comprise with the motor of the first bevel gear, the second bevel gear, the bent axle with front end axle and main shaft, the ratchet assembly with energy storage pawl, auxiliary jaw, ratchet, cam and check pawl, with the energy storage component of switching-in spring, tripping spring, pivot flange, connecting plate, screw rod, holder thick stick, the spring guide cylinder with baffle plate and elongated end;
Second bevel gear is socketed on the front end axle of bent axle, the first bevel gear on motor and the second bevel gear are connected with a joggle, the turning end of energy storage pawl is socketed on the main shaft of bent axle, energy storage pawl inserts in the teeth groove of ratchet, between first rotation axis fixed dam assembly and above the ratchet being positioned at bent axle side, the turning end of auxiliary jaw is socketed on the first rotation axis, and auxiliary jaw can be inserted in the teeth groove of ratchet, connecting plate one end is fixedly connected with ratchet, be fixed on holder thick stick after connecting plate other end connecting screw rod, screw rod is also provided with the pivot flange with through hole, guide rail is through pivot flange through hole, contact with pivot flange through-hole inner surface bottom guide rail, guide rail one end is fixed on holder thick stick, the roller along slide is also provided with between connecting plate and connecting screw rod, above-mentioned energy storage component is all arranged in the elongated end of spring guide cylinder, spring base is connected in spring guide cylinder elongated end by the through hole on spring guide cylinder baffle plate, also tripping spring is provided with between spring guide cylinder and pivot flange, tripping spring one end contacts with spring base, the other end contacts with pivot flange and to pass through this pivot flange spacing, also be provided with the boots seat of spacing switching-in spring at the elongated end outer wall of spring guide cylinder, boots seat is fixedly connected with holder thick stick, between boots seat and spring guide cylinder baffle plate, be provided with switching-in spring, second rotating shaft and the 3rd rotating shaft are fixed on below ratchet, first check pawl is socketed in the second rotating shaft, first check pawl is also provided with the pawl head slided along the ratchet back of tooth, and the second check pawl is socketed in the 3rd rotating shaft, and the second check pawl is also provided with the pawl head slided along the ratchet back of tooth.
3. operation mechanism for high voltage switch as claimed in claim 2, it is characterized in that: described ratchet is made up of left ratchet and right ratchet, left ratchet is connected by the first cam with centre bore with right ratchet, and the location hole of left ratchet, the location hole of right ratchet are coaxial with the first cam center hole; Described connecting plate is made up of left connecting plate and right connecting plate, and left connecting plate is connected by the second cam with right connecting plate, and the second cam rotates along camshaft.
4. operation mechanism for high voltage switch as claimed in claim 1, it is characterized in that: three described linkage are made up of main connecting lever, bridge shape connecting plate and separating brake connecting lever in being connected in turn, interior main connecting lever one end is socketed on the 4th rotating shaft, the interior main connecting lever other end is connected with bridge shape connecting plate by bearing pin, described bearing pin is also provided with roller, bridge shape connecting plate and separating brake connecting lever pass through together with pinned connection, described bearing pin is also provided with roller, and roller slides up and down along the spring base end bosses of energy storage device; Interior main connecting lever is arranged between two connecting plates of energy storage device; Separating brake connecting lever is fixed between baffle plate assembly by the 5th rotation axis; Separating brake connecting lever be also provided with roller bearing with the sincere sub-opposite side of separating brake.
5. operation mechanism for high voltage switch as claimed in claim 1, it is characterized in that: described closing pawl locker, comprise the closing pawl with roller, with the semiaxis of the first groove and the second groove, first closing pawl, little closing pawl and the first magnet, semiaxis is fixed between baffle plate assembly, little closing pawl and the first closing pawl are all arranged on one end of semiaxis, closing pawl is also provided with the first boss be connected in semiaxis first groove and the second boss be connected in semiaxis second groove, closing pawl is also provided with the fore shaft of the second cam on connecting plate in position-limiting energy-storage device, first magnet is also provided with the magnetic bar with button, and magnetic bar is oppositely arranged away from that one end of button and the first closing pawl, the roller of closing pawl slides along ratchet inboard groove and is used for spacing closing pawl.
6. operation mechanism for high voltage switch as claimed in claim 5, is characterized in that: the first magnet is fixed on baffle plate assembly by support plate.
7. operation mechanism for high voltage switch as claimed in claim 5, is characterized in that: closing pawl is fixed between baffle plate assembly by the 6th rotation axis, the 6th rotation axis is also provided with torsion spring.
8. operation mechanism for high voltage switch as claimed in claim 1, it is characterized in that: the sincere sub-locker of described separating brake, by the sincere son of separating brake, second magnet, the sincere son of little separating brake, the sincere son of first separating brake and the sincere son composition of the second separating brake, the sincere son of first separating brake, the sincere son of second separating brake and the sincere son of little separating brake are all arranged on major axis, major axis is fixed between baffle plate assembly, the sincere son of separating brake is by the sincere son of main separating brake with connecting lever and with chute, the sincere son composition of secondary separating brake of the first connecting lever and the second connecting lever, the connecting lever of the sincere son of main separating brake is plugged in the chute of the sincere son of secondary separating brake, the roller bearing be arranged on the separating brake connecting lever of three linkages can along the apparent motion of sincere sub second connecting lever of secondary separating brake, undertaken spacing by the head face hump of sincere sub second connecting lever of secondary separating brake, the spring for sincere sub first connecting lever of spacing secondary separating brake is also provided with between first connecting lever and tripping spring seat of the sincere son of secondary separating brake, second magnetic blow out centre is connected with the magnetic bar with button, and the second magnet is fixed between baffle plate assembly through support plate.
9. operation mechanism for high voltage switch as claimed in claim 1, it is characterized in that: described oily buffer unit, comprise cushion dashpot, cushion collar, piston, cylinder seat and Connection Block, piston connects outside connecting lever through the centre bore of cylinder seat through joint, piston connects cushion dashpot outward, cushion dashpot is fixed on Connection Block, and Connection Block is fixed on the baffle plate of spring guide cylinder.
10. operation mechanism for high voltage switch as claimed in claim 1, it is characterized in that: mechanical anti-bouncing device, comprise connecting rod, the anti-jump connecting rod with square opening, anti-jump spring and anti-jump connecting lever, connecting rod is fixed on the interior main connecting lever of three connecting rods, and slide in the chute of baffle plate assembly with interior main connecting lever, anti-jump connecting rod and anti-jump connecting lever are rotationally connected, the square opening of anti-jump connecting rod is also provided with the anti-jump connecting lever steady pin of spacing anti-jump spring, and anti-jump connecting lever also has the free end for spacing main closing pawl first closing pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380238.1U CN204668177U (en) | 2015-06-05 | 2015-06-05 | A kind of operation mechanism for high voltage switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380238.1U CN204668177U (en) | 2015-06-05 | 2015-06-05 | A kind of operation mechanism for high voltage switch |
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| CN204668177U true CN204668177U (en) | 2015-09-23 |
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| CN201520380238.1U Expired - Fee Related CN204668177U (en) | 2015-06-05 | 2015-06-05 | A kind of operation mechanism for high voltage switch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882305A (en) * | 2015-06-05 | 2015-09-02 | 沈阳东牧电器制造有限公司 | High-voltage switch operating mechanism |
| CN106571253A (en) * | 2015-10-12 | 2017-04-19 | 北海银河开关设备有限公司 | Spring drive device for three-position switching operating mechanism |
| CN106952776A (en) * | 2017-04-28 | 2017-07-14 | 爱启（厦门）电气技术有限公司 | A kind of interlock |
| CN108155049A (en) * | 2018-02-09 | 2018-06-12 | 浙江华仪电器科技有限公司 | A kind of transmission mechanism of earthing switch |
| CN110993390A (en) * | 2019-11-22 | 2020-04-10 | 许继（厦门）智能电力设备股份有限公司 | Switch structure with switching-on and switching-off assisting and buffering functions |
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2015
- 2015-06-05 CN CN201520380238.1U patent/CN204668177U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882305A (en) * | 2015-06-05 | 2015-09-02 | 沈阳东牧电器制造有限公司 | High-voltage switch operating mechanism |
| CN106571253A (en) * | 2015-10-12 | 2017-04-19 | 北海银河开关设备有限公司 | Spring drive device for three-position switching operating mechanism |
| CN106952776A (en) * | 2017-04-28 | 2017-07-14 | 爱启（厦门）电气技术有限公司 | A kind of interlock |
| CN106952776B (en) * | 2017-04-28 | 2018-10-26 | 爱启（厦门）电气技术有限公司 | A kind of interlock |
| CN108155049A (en) * | 2018-02-09 | 2018-06-12 | 浙江华仪电器科技有限公司 | A kind of transmission mechanism of earthing switch |
| CN108155049B (en) * | 2018-02-09 | 2023-11-21 | 浙江华仪电器科技有限公司 | Transmission mechanism of grounding switch |
| CN110993390A (en) * | 2019-11-22 | 2020-04-10 | 许继（厦门）智能电力设备股份有限公司 | Switch structure with switching-on and switching-off assisting and buffering functions |
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