CN203434514U - Solid assembly unit of loop-network switch cabinet - Google Patents
Solid assembly unit of loop-network switch cabinet Download PDFInfo
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- CN203434514U CN203434514U CN201320335597.6U CN201320335597U CN203434514U CN 203434514 U CN203434514 U CN 203434514U CN 201320335597 U CN201320335597 U CN 201320335597U CN 203434514 U CN203434514 U CN 203434514U
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- ratchet
- vacuum circuit
- switch module
- breaker
- station isolation
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Abstract
Disclosed is a solid assembly unit of a loop-network switch cabinet. The problem that an existing solid insulation ring main unit is not sealed or not sealed tightly and a three-station isolation grounding switch has no visible fracture is solved. The solid assembly unit of the loop-network switch cabinet comprises a three-station isolation grounding switch module and a vacuum circuit breaker and load switch module and is technically characterized in that the three-station isolation grounding switch module comprises a small modular operating mechanism and three-station isolation grounding switch poles with visible fractures, the vacuum circuit breaker and load switch module comprises a vacuum circuit breaker and load switch poles and a small multifunctional operating mechanism, and universal connecting flanges of the vacuum circuit breaker and load switch module and the three-station isolation grounding switch module are mutually sealed by a silicone rubber sealing ring and are fixedly connected by bolts for sealed insulation. The solid assembly unit has the advantages of compact structure, reasonable design, easy parts modularization, visible fractures, high insulating strength, good interchangeability, convenient installation and debugging and safe and reliable use.
Description
Technical field
The utility model relates to the fixed loop-network switch cabinet solid assembled unit of the switchgear, particularly a kind of small modular structure of a kind of ring network power supply and terminal power supply use.It is mainly used in the loop-network switch cabinet in the places such as urban architecture, market, public utilities, airport, railway, traffic, coal, chemical industry, iron and steel, industrial and mining enterprises and power transmission and transformation station and power plant.
Background technology
Loop-network switch cabinet (ring main unit) is the high voltage switchgear that is assembled in steel sheet metal cabinet or makes assembled compartment ring network power supply unit, its core adopts vacuum circuit-breaker and on-load switch and isolating switch mostly, have simple in structure, volume is little, price is low, can improve the advantages such as power supply parameter and performance and power supply safety.Ring main unit is generally divided into air insulation, solid insulation and sulphur hexafluoride (SF by dielectric
6) insulate three kinds, be the important switchgear of ring network power supply and terminal power supply.Each electric elements and the galvanic circle of air insulation cabinet are exposed in air, and volume is large and resistance to environment is poor, is applicable to general running environment.Along with the development of electricity market and the progress of high-voltage switch gear technology, bulky air insulation cabinet, if GG-1A is by the XGN2 of small volume and the less SF of volume
6gas-filling cabinet replaces.But SF
6gas is one of greenhouse gas that " Kyoto Protocol " is clear and definite, very big to environmental impact, has limited use.
Existing solid insulation ring main unit is in operation, and still has certain hidden danger.When its circuit breaker pole is installed, or open wide, or be bad sealing, the even short circuit accident once its insulating surface, by pollutions such as foreign matter and moisture, will leak electricity, jeopardizes security of operation; Isolation earthing switch does not possess the ability that closes short circuit current, does not have visual fracture.Because the security reliability of isolation features is fatal, aspect isolation fracture, main product still adopts traditional, air-insulated isolation, earthed switch and isolation ground connection three-station at present.As publication No. be CN102664363A " solid isolated vacuum ring main unit ", the structure of recording is that standard electric cable end, standard silicone rubbers dry type bus are arranged on the vacuum switch unit in cabinet by screw, and standard electric cable end, standard silicone rubbers dry type bus are arranged on respectively on the cable plug and bus plug of pole.What adopt is three station vacuum arc extinguish chambers, himself has combined floodgate, separating brake isolation, ground connection totally three service positions, has simplified the structure of switch; In the course of work, do not produce harmful substance, there is the feature of environmental protection, reduced equipment maintenance, extended useful life.But owing to adopting vacuum interrupter to do isolating switch, its fracture is invisible, once there is mechanical breakdown or vacuum interrupter gas leakage, will jeopardizes personal safety, and not meet standard-required.Its vacuum interrupter horizontal positioned, porcelain shell is subject to Lateral Force, easily break, and operation insulator fairlead frictional resistance is large.There is blow-by or poorly sealed problem in circuit breaker inlet wire.As notification number be CN202230967U " indoor high-voltage vacuum circuit breaker, isolation and earthed switch combined electrical apparatus ", disclosed integral structure is complicated, in practical operation, center is difficult to control, and isolating switch is simple air insulation, there is no solid insulation, do not possess rapid closing function, do not there is the ability that closes short circuit current.
Utility model content
The purpose of this utility model is to provide a kind of loop-network switch cabinet solid assembled unit, solved blow-by that existing solid insulation ring main unit exists or poorly sealed, three station isolation grounding switchs are without the problem of visual fracture, its compact conformation, reasonable in design, parts are easily realized modularization, fracture is visible and dielectric strength is high, interchangeability is good, is convenient to install, debug, safe and reliable.
The technical scheme that the utility model adopts is: this loop-network switch cabinet comprises three station isolation grounding switch modules and vacuum circuit-breaker and on-load switch module with solid assembled unit, its technical essential is: described three station isolation grounding switch modules are comprised of small modular operating mechanism and the three station isolation grounding switch poles with visual fracture, vacuum circuit-breaker and on-load switch module are comprised of vacuum circuit-breaker and on-load switch pole and small-size multifunction operating mechanism, between vacuum circuit-breaker and on-load switch module and the adpting flange of three station isolation grounding switch modules, with silicone rubber O-ring, seal, bolt is connected and fixed sealed insulation.
Described three station isolation grounding switch module poles comprise the insulation crust that adopts epoxy resin to make, be encapsulated in quiet cutter installing hole, hollow shaft connecting lever, hollow shaft support, connecting plate, knife rest, isolation knife, tool rest, watch chain fingertip Connection Block, grounding base in casing insulation cavity, the sealing gasket of can and rear shrouding; Three station isolation grounding switch module poles arrange the observation window of visual isolation knife disjunction, and the connecting flange structure of the upper and lower leading-out terminal of pole is identical; Small modular operating mechanism comprises rotating shaft and mechanism body on installing rack and assembling installing rack for three station isolation grounding switch module poles, rotating shaft is hollow shaft, hollow shaft inner chamber has straight plate torsion spring, one end of hollow shaft and straight plate torsion spring is assembled on same axle sleeve, the other end of hollow shaft is fixedly connected with the coaxial ratchet of mechanism body, and the straight other end of plate torsion spring and the camshaft of mechanism body are fixedly connected with; The axle center of cam and the axle center of ratchet are on same axis, and the operating axis drive cam shaft of mechanism body is rotated, and the boss of cam periphery backs down ratchet, and release energy driving pawl and hollow shaft of straight plate torsion spring rotates, until ratchet is withstood and stops operating by next ratchet.
The mechanism body of described small modular operating mechanism comprises clamping plate type framework, is assembled in the ratchet in framework, with the ratchet that ratchet periphery is meshed, cam, and the operating axis that drive cam shaft is rotated.
Described vacuum circuit-breaker and on-load switch module pole and small-size multifunction operating mechanism all adopt small modular structure, vacuum circuit-breaker and on-load switch module pole comprise the insulation crust that adopts epoxy resin to make, be encapsulated in vacuum interrupter, leading-out terminal watch chain fingertip Connection Block and output static contact seat in casing insulation chamber, conduction is flexible coupling and insulated tension pole; The connecting flange structure of the left and right leading-out terminal of pole watch chain fingertip Connection Block is identical, and the leading-out terminal flange of the output static contact seat of installation fixed contact is identical with the connecting flange structure of the upper and lower leading-out terminal of three station isolation grounding switch poles; Small-size multifunction operating mechanism comprises pole installing rack and the mechanism body that is assembled with transmission axle and output connection rod set, the cleat frame of mechanism body fits together by output connection rod set support and pole installing rack, realize empty energy storage closing spring and the sluice separating spring that closes operation in empty minute and be positioned at same cleat frame, the transmission axle connecting lever that is fixed on transmission axle end utilize connecting rod and output shaft connecting lever hinged, the output shaft connecting lever other end connects energy storage sluice separating spring; Coaxial fixedly minor sprocket and ratchet on auto-manual integrated energy storage motor shaft, minor sprocket connects hinge wheel by chain, is connected energy storage closing spring with the pull bar of the cam assembly of the coaxial assembling of hinge wheel by double strand chain; When splitting or integrating lock electromagnet or splitting or integrating lock button promote respectively the rotation of splitting or integrating lock semiaxis, drive the sincere son of splitting or integrating lock of padlock energy storage splitting or integrating brake spring to thread off, the splitting or integrating brake spring releasing energy drives respectively output shaft rotation, in output shaft rotation, drive is rotated by connecting rod and the hinged transmission axle of transmission axle connecting lever, and transmission axle drives output connection rod set to realize the splitting or integrating lock operation of circuit breaker or on-load switch.
The mechanism body of described small-size multifunction operating mechanism comprises cleat frame, be assembled in the auto-manual integrated energy storage motor in cleat frame, output shaft and connecting lever, cam assembly, chain wheel assembly, minute, combined floodgate spring, minute, combined floodgate semiaxis, minute, closing pawl, minute, making electromagnet, minute, switch knob, ratchet and pawl.
The insulation crust of the insulation crust of described three station isolation grounding switch poles and vacuum circuit-breaker and on-load switch pole, the equal metal spraying of outer surface belongs to enamelled coating or semi-conductive layer, and direct ground connection.
Advantage and the good effect that the utlity model has are: because the utility model is comprised of three station isolation grounding switch modules and vacuum circuit-breaker and on-load switch module, two leading-out terminals up and down of three station isolation grounding switch modules adopt the flange arrangement of same structure, vacuum circuit-breaker and on-load switch module can be arranged on respectively in three station isolation grounding switch modules, lower end, under composition, upper isolation structure loop-network switch cabinet solid assembled unit, so its compact conformation, reasonable in design, parts are easily realized modularization, interchangeability is good, be convenient to install, debugging, three station isolation grounding switch modules and vacuum circuit-breaker and on-load switch module can combination in any, highly versatile.Three station isolation grounding switch modules have the observation window of observing visual fracture, can observe closing of circuit, the operating state of isolation and ground connection.Adpting flange between three station isolation grounding switch modules and vacuum circuit-breaker and on-load switch module, with silicone rubber seal, bolt is fixed, safe and reliable, be a kind of solid loop-net cabinet assembled unit of hermetically sealed all insulation, not only dielectric strength is high, and fracture is visible.Therefore, the utility model has solved that the volume that existing air insulation ring main unit exists is large, power supply continuity is poor and SF
6the problems such as contaminated environment; Solved blow-by that existing solid insulation ring main unit exists or poorly sealed, three station isolation grounding switchs are without the problem of visual fracture.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is a kind of lower isolation structure schematic diagram of the present utility model;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is that Fig. 3 is along the cutaway view of A-A line;
Fig. 5 is a kind of upper isolation structure schematic diagram of the present utility model;
Fig. 6 is the end view of Fig. 5;
Fig. 7 is the vertical view of Fig. 5;
Fig. 8 is that Fig. 6 is along the cutaway view of B-B line.
Sequence number explanation in figure: 1 vacuum circuit-breaker and on-load switch module, 2 three station isolation grounding switch modules, 3 small-size multifunction operating mechanisms, 4 vacuum circuit-breakers and on-load switch pole, 5 three station isolation grounding switch poles, 6 small modular operating mechanisms, 7 output connection rod set, 8 transmission axles, 9 vacuum circuit-breakers and on-load switch pole shell, 10 isolation knife, 11 observation windows, 12 3 station isolation grounding switch pole shells, 13 grounding bases, 14 3 station isolation grounding switch pole watch chain fingertip Connection Blocks, 15 tool rests, 16 hollow shaft supports, 17 hollow shaft connecting levers, 18 win in succession, 19 knife rests, 20 rear shroudings, 21 sealing gaskets, 22 sealing rings, 23 fixed contacts, 24 vacuum interrupters, 25 vacuum circuit-breakers and on-load switch pole watch chain fingertip Connection Block, 26 conductions are flexible coupling, 27 insulated tension poles, 28 contact rods, 29 quiet cutter installing holes.
Embodiment
According to Fig. 1～8, describe concrete structure of the present utility model in detail.This loop-network switch cabinet comprises vacuum circuit-breaker and on-load switch module 1 and three station isolation grounding switch modules 2 with solid assembled unit.According to actual operation requirements, can be formed by three station isolation grounding switch modules 2 of superposed vacuum circuit-breaker and on-load switch module 1 and bottom lower isolation structure loop-network switch cabinet solid assembled unit.Wherein the output fixed contact 23 of vacuum circuit-breaker and on-load switch module 1 is arranged on the quiet cutter installing hole 29 of leading-out terminal of three station isolation grounding switch modules 2, and between adpting flange, with silicone rubber O-ring 22 sealings, bolt is connected and fixed sealed insulation.Also can form isolation structure loop-network switch cabinet solid assembled unit with the vacuum circuit-breaker and the on-load switch module 1 that are positioned at bottom by superposed three station isolation grounding switch modules 2.Just the output fixed contact 23 of vacuum circuit-breaker and on-load switch module 1 need to be replaced with to output contact rod 28, be arranged on the leading-out terminal watch chain fingertip Connection Block 14 of three station isolation grounding switch poles 5, between adpting flange, with silicone rubber O-ring 22 sealings, bolt is connected and fixed sealed insulation.
Above-mentioned three station isolation grounding switch modules 2 are comprised of small modular operating mechanism 6 and the three station isolation grounding switch poles 5 with visual fracture.Wherein three station isolation grounding switch poles 5 comprise the insulation crust 12 that adopts epoxy resin to make, be encapsulated in the quiet cutter installing hole 29 of upper leading-out terminal, hollow shaft connecting lever 17, hollow shaft support 16, connecting plate 18, knife rest 19, isolation knife 10, tool rest 15, lower wire end watch chain fingertip Connection Block 14, grounding base 13 in shell 12 insulation cavitys, the parts such as the sealing gasket 21 of can 12 and rear shrouding 20.Isolation knife 10 can adopt the manufacture of chromium-copper material, makes it have the ability that closes short circuit current.Shell 12 insulation inside cavity can be air or filling with inert gas, nitrogen gas insulating.On the sidewall of shell 12, setting can be observed the observation window 11 of visual isolation knife 10 disjunctions of internal insulation cutter 10 fracture site of living in, makes isolation fracture be easy to observe.Because utilizing sealing gasket 21 and rear shrouding 20, shell 12 forms airtight insulation cavity, therefore can realize the insulation cavity of pole 5 and extraneous isolation completely; Can also belong to enamelled coating or semi-conductive layer at the outer surface metal spraying of shell 12.So not only tangible, and can not produce injury to human body; And can utilize the direct ground connection of grounding base 13, further to improve the security reliability of isolation.Upper leading-out terminal at quiet cutter installing hole 29 arranges respectively with the lower wire end of watch chain fingertip Connection Block 14 adpting flange that structure is identical, to be connected with the output static contact seat leading-out terminal flange of the installation fixed contact 23 of vacuum circuit-breaker and on-load switch pole 4, form according to actual needs the upper isolated form assembled unit of circuit breaker under upper isolating switch, or form the lower isolated form assembled unit of isolating switch under upper circuit breaker.
Small modular operating mechanism 6 comprises installing rack for pole, utilize the parts such as the rotating shaft of bearing pedestal on installing rack and bracket assembled and mechanism body.It is six sides' hollow shaft that the structure of its shaft adopts periphery, and hollow shaft inner chamber is provided with straight plate torsion spring, and it is that the same axle sleeve of interior hexagonal cylindrical is assembled on bearing pedestal that one end of hollow shaft and straight plate torsion spring utilizes cross section.Mechanism body comprises clamping plate type framework, is assembled in the ratchet in framework, ratchet, cam, the parts such as operating axis that drive cam shaft is rotated.A plurality of ratchets that are meshed with ratchet periphery are respectively: separating brake ratchet, splice grafting ground ratchet, minute ground connection ratchet and combined floodgate ratchet.Mechanism body is fixed on the support of the installing rack other end.The other end of hollow shaft is fixedly connected with coaxial ratchet, rotates together.Operate the axle center of shaft-driven cam and the axle center of ratchet is positioned on same axis.Operating axis driving cam rotates, can drive ratchet on diverse location respectively with the clutch of ratchet, make ratchet and hollow shaft rotate simultaneously or stop simultaneously.The other end of straight plate torsion spring is fixedly connected with camshaft, and with cam, has rotated the storage of energy, also can complete with the rotation of ratchet and hollow shaft the release of energy.When the axle of operating axis driving cam rotates, and ratchet is withstood while no longer rotating by one in a plurality of ratchets, and straight plate torsion spring is now by energy storage.When the boss of the cam periphery of rotating backs down in each ratchet, straight plate torsion spring just releases energy, thereby driving pawl and hollow shaft rotate, until ratchet while being withstood by next ratchet, stops operating.Utilize small modular operating mechanism 6 to drive the hollow shaft connecting lever 17 of three station isolation grounding switch poles 5 to rotate, hollow shaft connecting lever 17 drives by the 18 hinged knife rests 19 of winning in succession and promotes isolation knife 10 around tool rest 15 rotations, the quiet cutter (fixed contact 23) that makes isolation knife 10 and top be arranged on 29 li of quiet cutter installing holes separates, and realization is separated with electrified body.Continue operation three operating mechanisms 2 for station isolation grounding switch, isolation knife 10 and grounding base 13 are connected, realize reliable ground.The maintenance works such as carrying out maintenance that now can be safe.The operating state of isolation knife 10 fracture site of living in, closes, isolation, ground connection can observe by observation window 11.By spring, can realize respectively the reset of each ratchet.
Above-mentioned vacuum circuit-breaker and on-load switch module 1 are comprised of vacuum circuit-breaker and on-load switch pole 4 and small-size multifunction operating mechanism 3.Wherein vacuum circuit-breaker and on-load switch pole 4 comprise the insulation crust 9 that adopts epoxy resin to make, be encapsulated in vacuum interrupter 24 in shell 9 insulated cavities, watch chain fingertip Connection Block 25 and the output static contact seat of fixed contact 23 is installed, conduction is flexible coupling 26 and the part such as insulated tension pole 27.The connecting flange structure of the left and right leading-out terminal of the watch chain fingertip Connection Block 25 of vacuum circuit-breaker and on-load switch pole 4 is identical, and the leading-out terminal flange of the output static contact seat of installation fixed contact 23 is identical with the connecting flange structure of the upper and lower leading-out terminal of three station isolation grounding switch poles 5.
Above-mentioned small-size multifunction operating mechanism comprises parts such as being assembled with transmission axle 8 and the output pole installing rack of connection rod set 7 and mechanism body.Wherein pole installing rack is the fixed part that vacuum circuit-breaker and on-load switch pole 4 and mechanism body are installed.Pole installing rack can be designed to according to different poles different structural styles, so that form different vacuum circuit-breakers and on-load switch module.Mechanism body comprises cleat frame, be assembled in the auto-manual integrated energy storage motor in cleat frame, output shaft and output shaft connecting lever, the cam assembly being formed by cam, camshaft and pull bar etc., the chain wheel assembly being formed by hinge wheel, minor sprocket and chain, minute, combined floodgate spring, minute, combined floodgate semiaxis, minute, closing pawl, minute, making electromagnet, minute, switch knob, the parts such as ratchet and pawl.The cleat frame of mechanism body fits together by output connection rod set support and pole installing rack.Output shaft is hinged by the transmission axle connecting lever on connecting rod and transmission axle 8 ends.Transmission axle connecting lever and output connection rod set 7 form linkage and are used for pulling insulated tension pole 27.Energy storage closing spring and sluice separating spring are positioned at same cleat frame, can realize sky and close operation in empty minute.The transmission axle connecting lever that is fixed on transmission axle 8 ends utilize connecting rod and output shaft connecting lever hinged, the other end of output shaft connecting lever connects energy storage sluice separating spring.Coaxial fixedly minor sprocket and ratchet on the axle of auto-manual integrated energy storage motor, minor sprocket connects hinge wheel by chain, with the pull bar of the cam assembly of the coaxial assembling of hinge wheel, the double strand chain supporting by directive wheel connection energy storage closing spring.Utilize splitting or integrating lock electromagnet or splitting or integrating lock button to promote respectively splitting or integrating lock semiaxis and rotate, splitting or integrating lock semiaxis drives the sincere son of splitting or integrating lock of padlock energy storage splitting or integrating brake spring to thread off, and splitting or integrating brake spring is unclamped and release energy.The splitting or integrating brake spring releasing energy drives respectively output shaft rotation, in output shaft rotation, drives by connecting rod and the hinged transmission axle 8 of transmission axle connecting lever and rotates, and transmission axle 8 drives output connection rod set 7 to realize the splitting or integrating lock operation of circuit breaker and on-load switch.
Below by the lower isolation structure loop-network switch cabinet that three station isolation grounding switch modules 2 of superposed vacuum circuit-breaker and on-load switch module 1 and bottom are formed, use combined floodgate, separating brake isolation, the ground connection operation of totally three stations of solid assembled unit, further describe applying working condition of the present utility model.When using the small modular operating mechanism 6 of the clockwise actuating three station isolation grounding switch modules 2 of operating grip, the axle of the operating axis driving cam of small modular operating mechanism 6 rotates, and ratchet is withstood while no longer rotating by one in a plurality of ratchets, straight plate torsion spring is now by energy storage.When the boss of the cam periphery of rotating backs down in a plurality of ratchets, straight plate torsion spring just releases energy, thereby driving pawl and hollow shaft rotate, until ratchet while being withstood by next ratchet, stops operating.Use operating grip that the operating axis driving cam of small modular operating mechanism 6 is rotated, the cam rotating releases energy straight plate torsion spring, and rotate and drive hollow shaft connecting lever 17 to move by hollow shaft, hollow shaft connecting lever 17 drives by the 18 hinged knife rests 19 of winning in succession and promotes isolation knife 10 around tool rest 15 rotations, the quiet cutter (fixed contact 23) that makes isolation knife 10 and top be arranged on 29 li of quiet cutter installing holes contacts, and realizes rapid closing operation.When the operating axis of small modular operating mechanism 6 makes isolation knife 10 separate with quiet cutter, separated with electrified body, realize quick acting switching-off isolated operation; When the operating axis of small modular operating mechanism 6 makes isolation knife contact with grounding base 13, realize rapid grounding operation.
The insulation crust 9 of the insulation crust 12 of three station isolation grounding switch poles 5 and vacuum circuit-breaker and on-load switch pole 4, the equal metal spraying of outer surface belongs to enamelled coating or semi-conductive layer, and direct ground connection.So not only tangible, and can not produce injury to human body; And can utilize the direct ground connection of grounding base 13, further to improve the security reliability of isolation.
Claims (6)
1. a loop-network switch cabinet solid assembled unit, comprise three station isolation grounding switch modules and vacuum circuit-breaker and on-load switch module, it is characterized in that: described three station isolation grounding switch modules are comprised of small modular operating mechanism and the three station isolation grounding switch poles with visual fracture, vacuum circuit-breaker and on-load switch module are comprised of vacuum circuit-breaker and on-load switch pole and small-size multifunction operating mechanism, between vacuum circuit-breaker and on-load switch module and the adpting flange of three station isolation grounding switch modules, with silicone rubber O-ring, seal, bolt is connected and fixed sealed insulation.
2. loop-network switch cabinet according to claim 1 solid assembled unit, it is characterized in that: described three station isolation grounding switch module poles comprise the insulation crust that adopts epoxy resin to make, be encapsulated in quiet cutter installing hole, hollow shaft connecting lever, hollow shaft support, connecting plate, knife rest, isolation knife, tool rest, watch chain fingertip Connection Block, grounding base in casing insulation cavity, the sealing gasket of can and rear shrouding; Three station isolation grounding switch module poles arrange the observation window of visual isolation knife disjunction, and the connecting flange structure of the upper and lower leading-out terminal of pole is identical; Small modular operating mechanism comprises rotating shaft and mechanism body on installing rack and assembling installing rack for three station isolation grounding switch module poles, rotating shaft is hollow shaft, hollow shaft inner chamber has straight plate torsion spring, one end of hollow shaft and straight plate torsion spring is assembled on same axle sleeve, the other end of hollow shaft is fixedly connected with the coaxial ratchet of mechanism body, and the straight other end of plate torsion spring and the camshaft of mechanism body are fixedly connected with; The axle center of cam and the axle center of ratchet are on same axis, and the operating axis drive cam shaft of mechanism body is rotated, and the boss of cam periphery backs down ratchet, and release energy driving pawl and hollow shaft of straight plate torsion spring rotates, until ratchet is withstood and stops operating by next ratchet.
3. loop-network switch cabinet according to claim 1 solid assembled unit, it is characterized in that: the mechanism body of described small modular operating mechanism comprises clamping plate type framework, be assembled in the ratchet in framework, the ratchet being meshed with ratchet periphery, cam, the operating axis that drive cam shaft is rotated.
4. loop-network switch cabinet according to claim 1 solid assembled unit, it is characterized in that: described vacuum circuit-breaker and on-load switch module pole and small-size multifunction operating mechanism all adopt small modular structure, vacuum circuit-breaker and on-load switch module pole comprise the insulation crust that adopts epoxy resin to make, the output static contact seat that is encapsulated in vacuum interrupter, leading-out terminal watch chain fingertip Connection Block and installation fixed contact in casing insulation chamber, conduction is flexible coupling and insulated tension pole; The connecting flange structure of the left and right leading-out terminal of pole watch chain fingertip Connection Block is identical, and the leading-out terminal flange of the output static contact seat of installation fixed contact is identical with the connecting flange structure of the upper and lower leading-out terminal of three station isolation grounding switch poles; Small-size multifunction operating mechanism comprises pole installing rack and the mechanism body that is assembled with transmission axle and output connection rod set, the cleat frame of mechanism body fits together by output connection rod set support and pole installing rack, realize empty energy storage closing spring and the sluice separating spring that closes operation in empty minute and be positioned at same cleat frame, the transmission axle connecting lever that is fixed on transmission axle end utilize connecting rod and output shaft connecting lever hinged, the output shaft connecting lever other end connects energy storage sluice separating spring; Coaxial fixedly minor sprocket and ratchet on auto-manual integrated energy storage motor shaft, minor sprocket connects hinge wheel by chain, is connected energy storage closing spring with the pull bar of the cam assembly of the coaxial assembling of hinge wheel by double strand chain; When splitting or integrating lock electromagnet or splitting or integrating lock button promote respectively the rotation of splitting or integrating lock semiaxis, drive the sincere son of splitting or integrating lock of padlock energy storage splitting or integrating brake spring to thread off, the splitting or integrating brake spring releasing energy drives respectively output shaft rotation, in output shaft rotation, drive is rotated by connecting rod and the hinged transmission axle of transmission axle connecting lever, and transmission axle drives output connection rod set to realize the splitting or integrating lock operation of circuit breaker or on-load switch.
5. loop-network switch cabinet according to claim 1 solid assembled unit, is characterized in that; The mechanism body of described small-size multifunction operating mechanism comprises cleat frame, be assembled in the auto-manual integrated energy storage motor in cleat frame, output shaft and connecting lever, cam assembly, chain wheel assembly, minute, combined floodgate spring, minute, combined floodgate semiaxis, minute, closing pawl, minute, making electromagnet, minute, switch knob, ratchet and pawl.
6. loop-network switch cabinet according to claim 1 solid assembled unit, it is characterized in that: the insulation crust of the insulation crust of described three station isolation grounding switch poles and vacuum circuit-breaker and on-load switch pole, the equal metal spraying of outer surface belongs to enamelled coating or semi-conductive layer, and direct ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320335597.6U CN203434514U (en) | 2013-06-13 | 2013-06-13 | Solid assembly unit of loop-network switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320335597.6U CN203434514U (en) | 2013-06-13 | 2013-06-13 | Solid assembly unit of loop-network switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434514U true CN203434514U (en) | 2014-02-12 |
Family
ID=50063532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320335597.6U Expired - Fee Related CN203434514U (en) | 2013-06-13 | 2013-06-13 | Solid assembly unit of loop-network switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311840A (en) * | 2013-06-13 | 2013-09-18 | 淄博金龙电力设备股份有限公司 | Solid assembly unit of switchgear cubicle for loop network |
| CN112838511A (en) * | 2020-08-13 | 2021-05-25 | 平高集团有限公司 | Combined electrical appliance |
-
2013
- 2013-06-13 CN CN201320335597.6U patent/CN203434514U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311840A (en) * | 2013-06-13 | 2013-09-18 | 淄博金龙电力设备股份有限公司 | Solid assembly unit of switchgear cubicle for loop network |
| CN103311840B (en) * | 2013-06-13 | 2016-01-13 | 淄博金龙电力设备股份有限公司 | Loop-network switch cabinet solid compositions unit |
| CN112838511A (en) * | 2020-08-13 | 2021-05-25 | 平高集团有限公司 | Combined electrical appliance |
| CN112838511B (en) * | 2020-08-13 | 2023-08-15 | 平高集团有限公司 | Combined electrical apparatus |
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