CN205666176U - Wall -hanging three -phase longitudinal arrangement's middling pressure vacuum load switch - Google Patents

Wall -hanging three -phase longitudinal arrangement's middling pressure vacuum load switch Download PDF

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Publication number
CN205666176U
CN205666176U CN201620518302.2U CN201620518302U CN205666176U CN 205666176 U CN205666176 U CN 205666176U CN 201620518302 U CN201620518302 U CN 201620518302U CN 205666176 U CN205666176 U CN 205666176U
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CN
China
Prior art keywords
frame
drive
pole
vacuum interrupter
load switch
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Application number
CN201620518302.2U
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Chinese (zh)
Inventor
袁进军
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Ningbo Yongxin Oriental Electric Co Ltd
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Ningbo Yongxin Oriental Electric Co Ltd
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Priority to CN201620518302.2U priority Critical patent/CN205666176U/en
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Abstract

The utility model discloses a wall -hanging three -phase longitudinal arrangement's middling pressure vacuum load switch, including frame, operating mechanism, three solid seal utmost point post and with the three solid three drive mechanism that utmost point post corresponds respectively that seals, the three solid utmost point post that seals is longitudinally fixed side by side in the frame, drive mechanism sets up in the solid back lower part of sealing utmost point post, drive mechanism is through insulating pull rod and correspond solid the moving to hold and be connected of vacuum interrupter in the post extremely, the operating mechanism setting is connected to three drive mechanism at the front of frame, operating mechanism through the main shaft, beneficial effect: adopt the solid utmost point post that seals, insulating properties is good, adopts wall -hanging assembly methods moreover, and drive mechanism is the lower part after sealing utmost point post admittedly, and mounting dimension is little, two gyro wheels are equipped with to rack -mount face bottom, and rack -mount face top is equipped with the bead for circuit breaker business turn over cabinet body side wall supports and reduce friction power during the track, guarantees that load switch can not heel, has alleviateed production assembly, the intensity of labour the when inspection is maintained, has guaranteed the safety of the person and equipment.

Description

The middle pressure vacuum load switch that a kind of wall-mounted three-phase is longitudinally arranged
Technical field
This utility model relates to pressing in one vacuum load switch, in being longitudinally arranged particularly to a kind of wall-mounted three-phase Pressure vacuum load switch.
Background technology
Domestic application looped network distribution technique development in recent years is exceedingly fast, particularly since the big transformation of city, whole nation net, and many cities Newly-built and the power distribution network of reconstruction have employed ring network power supply mode, thus employ ring main unit and preassembled transformer station in a large number, make The product consumptions such as looped network breaker cabinet are drastically incremented by.
SF6 ring main unit not only product variety increases increasingly at present, and product technology parameter, performance are greatly enhanced;And it is true Empty ring main unit currently also has certain yield, but wherein main element vacuum load switch uses tower structure mostly, the most just It is that vacuum interrupter is arranged in the framework manufactured by insulant, there is the dust-proof of vacuum interrupter and surface condensation is asked Topic, brings certain impact to system safety operation, and product size is big, after being assembled to ring main unit, and the smallest size of needs of cabinet width 600mm。
Pole can solve the dust-proof of vacuum interrupter and surface condensation problem.Use pole both at home and abroad at present Vacuum switch product a lot, but little for ring main unit, its pole be all bottom using four screws install vertical Pole structure, after being assemblied in on-load switch, overall product size is bigger than normal, debugging difficulty.
Utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, it is provided that a kind of wall-mounted three-phase is indulged To the middle pressure vacuum load switch arranged.
To achieve these goals, the measure that this utility model is taked:
The middle pressure vacuum load switch that a kind of wall-mounted three-phase is longitudinally arranged, including frame, operating mechanism, three sealing poles Post and three drive mechanisms the most corresponding with three poles, three poles are longitudinally fixed in frame side by side, Drive mechanism is arranged on the rear lower of pole, and drive mechanism passes through insulated tension pole and vacuum extinction in corresponding pole The moved end of room connects, and operating mechanism is arranged on the front of frame, and operating mechanism is connected to three drive mechanisms, transmission by main shaft Mechanism includes the rocking arm that main shaft, connecting plate, connecting lever and one end are fixed on main shaft, the other end of rocking arm be flexibly connected successively connecting plate, Connecting lever, insulated tension pole, connecting lever is by pivot pin and Interal fixation in frame, and operating mechanism is arranged on the front of frame, actuating machine The output shaft of structure is connected with the main shaft of drive mechanism;
After described frame, bottom is provided with two rollers, and the installed surface top of frame is provided with bead, after frame It is provided with splitting lock cushioning connecting lever and oil bumper;
Described pole include vacuum interrupter, be fixed on that the stationary contact of vacuum interrupter forward extends out on go out Line seat, the cushion being coated on vacuum extinction outdoor face, the insulator that is cast in outside vacuum interrupter and upper wire outlet seat, insulation Body extends the moving contact end of vacuum interrupter, and the moving contact end of vacuum interrupter is bolted to insulated tension pole by flexible link On the screw rod of upper end, flexible link is fixed on the lower outlet boss of insulator exterior through the lower wire hole on insulator, insulation The lower end screw rod of pull bar is connected the contactor separating brake action realizing vacuum interrupter with drive mechanism, near vacuum after insulator The upper end of arc-chutes is provided with convex, is provided with in lower convex, upper convex and lower convex all away from the lower end of vacuum interrupter Being cast with threaded insert, threaded insert coordinates the pole described in fixing connection and frame with bolt;
Being cast with threaded insert in described lower outlet boss, flexible link connects switch-over row or fuse assembly, Fuse assembly includes upper conductive plate and the lower conducting plate being connected to fuse touch base two ends, and upper conductive plate is bolted on On lower outlet boss, upper conductive plate contacts with flexible link, the L-shaped post that lower conducting plate is bolted on insulated support On body, fuse is entrapped in fuse touch base, is provided with trip shaft in frame, and the lower end of insulated support is connected by pin to be had Dropout connecting lever and push rod;
The extension of the moving contact end that described insulator extends vacuum interrupter is cylindrical body, the first half of cylindrical body Part is longer than latter half, and the first half of cylindrical body connects insulated support, and the top half of insulated support is semicircle Cylinder, is cast with threaded insert in semicircular cylinder, this threaded insert coordinates the insulated support described in fixing connection and frame with bolt;
The top half semicircular cylinder of described insulated support is stacked with the tubular first half on pole.
The beneficial effects of the utility model: use pole, good insulation preformance, and use wall-mounted assembling mode, Drive mechanism is at pole rear lower, and installation dimension is little;The insulator of pole stretches out the extension of vacuum interrupter lower end Part is cylindrical body, and cylindrical body first half is longer than latter half, enhances under chopper between lead-out wire and drive mechanism Dielectric strength, and connect an insulated support at tubular first half, the insulated support first half is semicircular cylinder, with described cylinder Shape first half is stacked, and extends the lower lead-out wire insulation distance relative to drive mechanism, and safety is more preferable;Erecting is calculated as wall Hanging structure also can push when passing in and out cabinet or extract out, equipped with two rollers bottom frame installed surface, and frame installed surface top It is provided with bead, supports and reduce frictional force when chopper turnover cabinet side wall rails, and ensureing that on-load switch will not roll, Alleviate labor intensity when producing assembling, Inspection and maintenance, it is ensured that the person and the safety of equipment.
Accompanying drawing explanation
Fig. 1 is that this utility model installs switch-over row cross-sectional view.
Fig. 2 is that this utility model installs switch-over row Facad structure schematic diagram.
Fig. 3 is that this utility model installs switch-over row side structure schematic diagram.
Fig. 4 is this utility model insulated support structural representation.
Fig. 5 is that this utility model installs fuse assembly cross-sectional view.
Fig. 6 is that this utility model installs fuse assembly Facad structure schematic diagram.
Fig. 7 is that this utility model installs fuse assembly side structure schematic diagram.
Detailed description of the invention
The middle pressure vacuum load switch that a kind of wall-mounted three-phase is longitudinally arranged, including frame 1,7, three sealings of operating mechanism Pole 2 and three drive mechanisms the most corresponding with three poles 2, three poles 2 are longitudinally fixed at machine side by side On frame 1, drive mechanism is arranged on the rear lower of pole 2, and drive mechanism passes through insulated tension pole 4 and corresponding pole 2 The moved end of interior vacuum interrupter connects, and operating mechanism 7 is arranged on the front of frame 1, and operating mechanism 7 is connected to three by main shaft 14 Individual drive mechanism, drive mechanism includes the rocking arm 15 that main shaft 14, connecting plate 16, connecting lever 17 and one end are fixed on main shaft 14, rocking arm The other end of 15 is flexibly connected connecting plate 16, connecting lever 17, insulated tension pole 4 successively, and connecting lever 17 passes through pivot pin 18 and Interal fixation at machine On frame 1, operating mechanism 7 is arranged on the front of frame 1, and the output shaft of operating mechanism 7 is connected with the main shaft 14 of drive mechanism, three Drive mechanism shares a main shaft 14, it is ensured that three-phase action simultaneously.
Described frame 1 bottom below is provided with two rollers 10, and the installed surface top of frame 1 is provided with bead 22, is used for Support and reduce frictional force during switch turnover cabinet side wall rails, and ensureing that switch will not roll, alleviating production assembling, check Labor intensity when safeguarding, it is ensured that the person and the safety of equipment.The disposed behind of frame 1 has splitting lock cushioning connecting lever 8 and oil to delay Rush device 9, be used for suppressing separating brake to cross punching and rebound amount.In the process: when moving contact has moved downward about 5mm, separating brake delays Rushing connecting lever 8 to contact with oil bumper 9, drive system starts to be damped and be braked, thus suppresses separating brake to cross punching and rebound amount.
Described pole 2 include vacuum interrupter, be fixed on that the stationary contact of vacuum interrupter forward extends out upper Wire outlet seat, the cushion being coated on vacuum extinction outdoor face, the insulator that is cast in outside vacuum interrupter and upper wire outlet seat, absolutely Edge body extends the moving contact end of vacuum interrupter, and the moving contact end of vacuum interrupter is bolted to insulation by flexible link 3 and draws On the upper end screw rod of bar 4, flexible link 3 is fixed on the lower outlet boss of insulator exterior through the lower wire hole on insulator On, the lower end screw rod of insulated tension pole 4 is connected the contactor separating brake action realizing vacuum interrupter with drive mechanism, after insulator The upper end of vacuum interrupter is provided with convex, the lower end of vacuum interrupter is provided with lower convex, upper convex and under All being cast with threaded insert in convex, threaded insert coordinates the pole 2 described in fixing connection and frame 1 with bolt.
Being cast with threaded insert in described lower outlet boss, flexible link 3 connects switch-over row 5 or fuse assembly 55, fuse assembly 55 includes upper conductive plate and the lower conducting plate being connected to fuse touch base two ends, and upper conductive plate passes through bolt Being fixed on lower outlet boss, upper conductive plate contacts with flexible link 3, and lower conducting plate is bolted on insulated support 6 On L-shaped cylinder on, fuse is entrapped in fuse touch base, is provided with trip shaft, the lower end of insulated support 6 in frame 1 Connected by pin and have dropout connecting lever and push rod.Fuse blows, the striker in fuse ejects, and striker promotes dropout connecting lever 21, Dropout connecting lever 21 drives push rod 20 to move upward, and push rod 20 drives trip shaft 19 to rotate, and trip shaft 19 makes operating mechanism 7 thread off, Operating mechanism 7 drive shaft 14 rotates, and completes separating brake action.
The extension of the moving contact end that described insulator extends vacuum interrupter is cylindrical body, the first half of cylindrical body Part is longer than latter half, and the first half connection of cylindrical body has insulated support 6, the top half of insulated support 6 to be half Cylinder, is cast with threaded insert in semicircular cylinder, this threaded insert coordinates the insulated support 6 described in fixing connection and machine with bolt Frame 1.
The top half semicircular cylinder of described insulated support 6 is stacked with the tubular first half on pole 2.
The latter half of insulated support 6 is the substantially l-shaped cylinder with full skirt.
When operating mechanism 7 performs to close a floodgate order, main shaft 14 moves in the direction of the clock, and connecting lever 17 is also pressed suitable around pivot pin 18 Clockwise rotates, and drives the insulated tension pole 4 being arranged in pole 2 to move upward, and insulated tension pole 4 drives pole 2 In vacuum interrupter moving contact move upward, until dynamic and static contact after completing 3mm contacting travel, operating mechanism 7 makes Main shaft 14 stops operating, and completes closing operation, and whole drive system is maintained at closing position.
When operating mechanism 7 performs separating brake order, main shaft 14 rotates counterclockwise, and connecting lever 17 is also pressed inverse around pivot pin 18 Clockwise rotates, and drives insulated tension pole 4 to move downward, and insulated tension pole 4 drives the moving contact of vacuum interrupter to move downward, directly The design separating and pulling open 9mm to dynamic and static contact is opened away from rear, and operating mechanism 7 makes main shaft 14 stop operating, and completes separating brake behaviour Making, whole drive system is maintained at open position.
Middle pressure vacuum load switch width is 291mm, and combined electrical apparatus width is 326mm, and corresponding ring main unit also achieves Miniaturization, cabinet width can accomplish 500mm.

Claims (6)

1. the middle pressure vacuum load switch that wall-mounted three-phase is longitudinally arranged, including frame (1), operating mechanism (7), three solid Sealed pole (2) and three drive mechanisms the most corresponding with three poles (2), it is characterised in that: three poles (2) Being longitudinally fixed at side by side in frame (1), drive mechanism is arranged on the rear lower of pole (2), and drive mechanism is by insulation Pull bar (4) connects with the moved end of corresponding pole (2) interior vacuum interrupter, and operating mechanism (7) is just being arranged on frame (1) Face, operating mechanism (7) is connected to three drive mechanisms by main shaft (14), and drive mechanism includes main shaft (14), connecting plate (16), turns The rocking arm (15) that arm (17) and one end are fixed on main shaft 14, the other end of rocking arm (15) is flexibly connected connecting plate (16) successively, turns Arm (17), insulated tension pole (4), connecting lever (17) by pivot pin (18) and Interal fixation in frame (1), operating mechanism (7) setting In the front of frame (1), the output shaft of operating mechanism (7) is connected with the main shaft (14) of drive mechanism.
The middle pressure vacuum load switch that a kind of wall-mounted three-phase the most according to claim 1 is longitudinally arranged, it is characterised in that: Described frame (1) bottom below is provided with two rollers (10), and the installed surface top of frame (1) is provided with bead (22), frame (1) disposed behind has splitting lock cushioning connecting lever (8) and oil bumper (9).
The middle pressure vacuum load switch that a kind of wall-mounted three-phase the most according to claim 1 and 2 is longitudinally arranged, its feature exists In: described pole (2) includes vacuum interrupter, is fixed on the upper outlet that the stationary contact of vacuum interrupter forward extends out Seat, the cushion being coated on vacuum extinction outdoor face, the insulator that is cast in outside vacuum interrupter and upper wire outlet seat, insulator Extending the moving contact end of vacuum interrupter, the moving contact end of vacuum interrupter is bolted to insulated tension pole by flexible link (3) (4), on upper end screw rod, flexible link (3) is fixed on the lower outlet boss of insulator exterior through the lower wire hole on insulator On, the lower end screw rod of insulated tension pole (4) is connected the contactor separating brake action realizing vacuum interrupter with drive mechanism, after insulator Face is provided with upper convex near the upper end of vacuum interrupter, and the lower end of vacuum interrupter is provided with lower convex, upper convex and All being cast with threaded insert in lower convex, threaded insert coordinates the pole (2) described in fixing connection and frame with bolt (1)。
The middle pressure vacuum load switch that a kind of wall-mounted three-phase the most according to claim 3 is longitudinally arranged, it is characterised in that: Being cast with threaded insert in described lower outlet boss, the upper connection of flexible link (3) has switch-over row (5) or fuse assembly (55), fuse assembly (55) includes upper conductive plate and the lower conducting plate being connected to fuse touch base two ends, and upper conductive plate passes through Being bolted on lower outlet boss, upper conductive plate contacts with flexible link (3), and lower conducting plate is bolted on insulation On L-shaped cylinder in support member (6), fuse is entrapped in fuse touch base, and frame is provided with trip shaft, insulating supporting in (1) The lower end of part (6) is connected by pin dropout connecting lever and push rod.
The middle pressure vacuum load switch that a kind of wall-mounted three-phase the most according to claim 4 is longitudinally arranged, it is characterised in that: The extension of the moving contact end that described insulator extends vacuum interrupter is cylindrical body, and the first half of cylindrical body is longer than Latter half, it is semicircular cylinder that the first half connection of cylindrical body has insulated support (6), the top half of insulated support (6), Being cast with threaded insert in semicircular cylinder, this threaded insert coordinates the insulated support (6) described in fixing connection and frame with bolt (1)。
The middle pressure vacuum load switch that a kind of wall-mounted three-phase the most according to claim 5 is longitudinally arranged, it is characterised in that: The top half semicircular cylinder of described insulated support (6) is stacked with the tubular first half on pole (2).
CN201620518302.2U 2016-06-02 2016-06-02 Wall -hanging three -phase longitudinal arrangement's middling pressure vacuum load switch Active CN205666176U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620518302.2U CN205666176U (en) 2016-06-02 2016-06-02 Wall -hanging three -phase longitudinal arrangement's middling pressure vacuum load switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620518302.2U CN205666176U (en) 2016-06-02 2016-06-02 Wall -hanging three -phase longitudinal arrangement's middling pressure vacuum load switch

Publications (1)

Publication Number Publication Date
CN205666176U true CN205666176U (en) 2016-10-26

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Application Number Title Priority Date Filing Date
CN201620518302.2U Active CN205666176U (en) 2016-06-02 2016-06-02 Wall -hanging three -phase longitudinal arrangement's middling pressure vacuum load switch

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107516616A (en) * 2017-09-05 2017-12-26 西安威科瑞电气有限公司 A kind of small size vacuum contactor for ring main unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107516616A (en) * 2017-09-05 2017-12-26 西安威科瑞电气有限公司 A kind of small size vacuum contactor for ring main unit

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