CN205789686U - The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged - Google Patents

The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged Download PDF

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Publication number
CN205789686U
CN205789686U CN201620512171.7U CN201620512171U CN205789686U CN 205789686 U CN205789686 U CN 205789686U CN 201620512171 U CN201620512171 U CN 201620512171U CN 205789686 U CN205789686 U CN 205789686U
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frame
pole
longitudinally
circuit breaker
phase
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CN201620512171.7U
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Chinese (zh)
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袁进军
沈金祥
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Ningbo Yongxin Oriental Electric Co Ltd
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Ningbo Yongxin Oriental Electric Co Ltd
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Abstract

The utility model discloses the middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged, including frame, operating mechanism, three poles and three drive mechanisms corresponding with three poles, three described poles are longitudinally fixed in frame side by side, drive mechanism is arranged on the rear lower of pole, drive mechanism is connected with the moving conductive rod of the vacuum interrupter in corresponding pole by insulated tension pole, operating mechanism is arranged on the front of frame, and the output shaft of operating mechanism is connected to three drive mechanisms by main shaft;Beneficial effect: using pole, good insulation preformance, use wall-mounted assembling mode, installation dimension is little;Safety is more preferable;Equipped with two rollers bottom frame installed surface, frame installed surface top is provided with bead, supports and reduces frictional force when chopper turnover cabinet side wall rails, and chopper will not roll, alleviate labor intensity when producing assembling, Inspection and maintenance, it is ensured that the person and the safety of equipment.

Description

The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged
Technical field
This utility model relates to a kind of chopper, the middle pressure vacuum circuit breaker being longitudinally arranged particularly to a kind of wall-mounted three-phase Device.
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 chopper uses tower structure mostly, namely very Empty arc-chutes are arranged in the framework manufactured by insulant, there is the dust-proof of vacuum interrupter and surface condensation problem, are System safe operation brings certain impact, and product size is big, and after being assembled to ring main unit, cabinet width is smallest size of needs 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 chopper, 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 The middle pressure vacuum circuit breaker being longitudinally arranged.
To achieve these goals, the measure that this utility model is taked:
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged, including frame, operating mechanism, three poles And three drive mechanisms corresponding with three poles, three described poles are longitudinally fixed in frame side by side, Drive mechanism is arranged on the rear lower of pole, and drive mechanism is gone out with the vacuum in corresponding pole by insulated tension pole The moving conductive rod of arc chamber connects, and operating mechanism is arranged on the front of frame, and the output shaft of operating mechanism is connected to three by main shaft Individual drive mechanism;
Being provided with two rollers bottom the installed surface of described frame, the installed surface top of frame is provided with bead;
Described pole include vacuum interrupter, be fixed on that the stationary contact of vacuum interrupter forward extends out on go out Line seat, it is coated on the cushion of vacuum extinction outdoor face and is cast in the insulator outside vacuum interrupter and upper wire outlet seat, Insulator extends the moving contact end of vacuum interrupter, and the moving contact end of vacuum interrupter is by the upper end screw rod of insulated tension pole even Being connected to soft wiring part, soft wiring part is fixed on the lower outlet convex of insulator exterior, absolutely through the lower wire hole on insulator The lower end screw rod of edge pull bar is connected the contactor separating brake action realizing vacuum interrupter with the drive mechanism of vacuum circuit breaker, insulation Be provided with convex after body near the upper end of vacuum interrupter, lower end away from vacuum interrupter is provided with lower convex, on All being cast with threaded insert in convex and lower convex, threaded insert coordinates the pole described in fixing connection and machine with bolt Frame;
It is cast with threaded insert in the lower outlet convex of described insulator exterior;
It is tubular that described insulator stretches out the extension of vacuum interrupter lower end, and insulated tension pole is positioned at cylinder, tubular Extension include first half and latter half, the length of first half is longer than the length of latter half;
The first half of described extension connects an insulated support, and insulated support top half is semicircle Cylinder, is cast with threaded insert in semicircular cylinder, threaded insert coordinates the insulated support described in fixing connection and frame with bolt, absolutely The semicircular cylinder of edge support member top half is stacked with the tubular first half of pole;
Described drive mechanism includes main shaft, rocking arm, connecting plate and connecting lever, and rocking arm is fixed on main shaft, through having on connecting lever Bearing pin, bearing pin is by Interal fixation in frame, and the two ends of connecting plate are connected on rocking arm and connecting lever, and connecting lever is connected to insulation Pull bar;
Splitting lock cushioning connecting lever and oil bumper are installed after described frame;
It is fixed with switch-over row on described lower outlet convex and insulated support;
Backward, Open Side Down for the threaded insert in lower convex for the opening of the described threaded insert in upper convex.
The beneficial effects of the utility model: practical, production cost is low, 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 vacuum and goes out The extension of arc chamber lower end is tubular, and tubular first half is longer than latter half, enhances lead-out wire and transmission under chopper Dielectric strength between mechanism, and connect an insulated support at tubular first half, the described insulated support first half is Semicircular cylinder, is stacked with described tubular first half, extends the lower lead-out wire insulation distance relative to drive mechanism, and safety is more Good;Erecting is calculated as wall mounted versions and can push when passing in and out cabinet or extract out, equipped with two rollers bottom frame installed surface, Frame installed surface top is provided with bead, supports and reduces frictional force, and ensure disconnected when chopper turnover cabinet side wall rails Road device will not roll, and alleviates 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 cross-sectional view of the present utility model.
Fig. 2 is front plan structural representation of the present utility model.
Fig. 3 is lateral plane structural representation of the present utility model.
Fig. 4 is insulated support structural representation of the present utility model.
Detailed description of the invention
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged, including frame 1,7, three sealing poles of operating mechanism Post 2 and three drive mechanisms corresponding with three poles 2, three described 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 moving conductive rod of interior vacuum interrupter connects, and operating mechanism 7 is arranged on the front of frame 1, and the output shaft of operating mechanism 7 passes through Main shaft 14 is connected to three drive mechanisms.
Being provided with two rollers 10 bottom the installed surface of described frame 1, the installed surface top of frame 1 is provided with bead 19.Support during for switching turnover cabinet side wall rails and reduce frictional force, and ensureing that switch will not roll, alleviating production dress Join, Inspection and maintenance time labor intensity, it is ensured that the person and the safety of equipment.
Described pole 2 include vacuum interrupter, be fixed on that the stationary contact of vacuum interrupter forward extends out upper Wire outlet seat, it is coated on the cushion of vacuum extinction outdoor face and is cast in the insulation outside vacuum interrupter and upper wire outlet seat Body, insulator extends the moving contact end of vacuum interrupter, the moving contact end of the vacuum interrupter upper end spiral shell by insulated tension pole 4 Bar connects soft wiring part 3, and the lower outlet that soft wiring part 3 is fixed on insulator exterior through the lower wire hole on insulator is dashed forward On platform, the lower end screw rod of insulated tension pole 4 is connected the contactor separating brake realizing vacuum interrupter with the drive mechanism of vacuum circuit breaker Action, is provided with convex, lower end away from vacuum interrupter is provided with near the upper end of vacuum interrupter after insulator All being cast with threaded insert in lower convex, upper convex and lower convex, threaded insert coordinates the sealing described in fixing connection with bolt Pole 2 and frame 1.
It is cast with threaded insert in the lower outlet convex of described insulator exterior.
It is tubular that described insulator stretches out the extension of vacuum interrupter lower end, and insulated tension pole 4 is positioned at cylinder, tubular Extension include first half and latter half, the length of first half is longer than the length of latter half.
The first half connection of described extension has an insulated support 6, insulated support 6 top half to be half Cylinder, is cast with threaded insert in semicircular cylinder, threaded insert coordinates the insulated support 6 described in fixing connection and frame with bolt 1, the semicircular cylinder of insulated support 6 top half is stacked with the tubular first half of pole 2.
The generally L shape of described insulated support 6, the top half of insulated support 6 is semicircular cylinder, in semicircular cylinder Being cast with four threaded inserts, threaded insert is fixing with the cooperation of M10 bolt is connected described insulated support 6 and frame 1.Insulation Support member 6 top half semicircular cylinder is stacked with pole 2 tubular first half.The latter half of insulated support 6 is with umbrella The cylinder of skirt, this cylinder one end is vertical with the top half of insulated support 6 to be connected, protruding, is used for supporting switch-over row 5.
Described drive mechanism includes main shaft 14, rocking arm 15, connecting plate 16 and connecting lever 17, and rocking arm 15 is fixed on main shaft 14, Through there being bearing pin 18 on connecting lever 17, bearing pin 18 is by Interal fixation in frame 1, and the two ends of connecting plate 16 are connected to rocking arm 15 and connecting lever 17 on, connecting lever 17 is connected on insulated tension pole 4.Three drive mechanisms share a main shaft 14, it is ensured that three-phase is simultaneously Action.
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 bearing 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 the dynamic and static contact of vacuum interrupter complete 3mm contacting travel After, operating mechanism 7 makes main shaft 14 stop 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 bearing pin 18 Clockwise rotates, and connecting lever 17 drives insulated tension pole 4 to move downward, and insulated tension pole 4 drives vacuum interrupter moving contact to transport downwards Dynamic, until the design that the dynamic and static contact of vacuum interrupter separated and pulled open 8mm is opened away from rear, operating mechanism 7 makes main shaft 14 stop turning Dynamic, complete sub-switching operation, whole drive system is maintained at open position.
In the process: when moving contact has moved downward about 5mm, splitting lock cushioning connecting lever 8 contacts with oil bumper 9, Drive system starts to be damped and be braked, thus suppresses separating brake to cross punching and rebound amount.
Splitting lock cushioning connecting lever 8 and oil bumper 9 are installed after described frame 1.For suppressing separating brake to cross punching with anti- Bullet amount.
It is fixed with switch-over row 5 on described lower outlet convex and insulated support 6.
Backward, Open Side Down for the threaded insert in lower convex for the opening of the described threaded insert in upper convex.Sealing Pole 2 is more firm.

Claims (10)

1. the middle pressure vacuum circuit breaker that wall-mounted three-phase is longitudinally arranged, including frame (1), operating mechanism (7), three sealings Pole (2) and three drive mechanisms corresponding with three poles (2), it is characterised in that: three described 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 moving conductive rod of the vacuum interrupter in corresponding pole (2), and operating mechanism (7) is arranged on frame (1) front, the output shaft of operating mechanism (7) is connected to three drive mechanisms by main shaft (14).
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase the most according to claim 1 is longitudinally arranged, it is characterised in that: institute Being provided with two rollers (10) bottom the installed surface of the frame (1) stated, the installed surface top of frame (1) is provided with bead (19).
The middle pressure vacuum circuit breaker 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, be coated on the cushion of vacuum extinction outdoor face and be cast in the insulator outside vacuum interrupter and upper wire outlet seat, absolutely Edge body extends the moving contact end of vacuum interrupter, the moving contact end of the vacuum interrupter upper end screw rod by insulated tension pole (4) Connecting and have soft wiring part (3), the lower outlet that soft wiring part (3) is fixed on insulator exterior through the lower wire hole on insulator is dashed forward On platform, the lower end screw rod of insulated tension pole (4) is connected with the drive mechanism of vacuum circuit breaker and realizes the contactor of vacuum interrupter and divide Lock action, is provided with convex, lower end away from vacuum interrupter is arranged near the upper end of vacuum interrupter after insulator All being cast with threaded insert in having lower convex, upper convex and lower convex, threaded insert coordinates consolidating described in fixing connection with bolt Sealed pole (2) and frame (1).
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase the most according to claim 3 is longitudinally arranged, it is characterised in that: institute It is cast with threaded insert in the lower outlet convex of the insulator exterior stated.
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase the most according to claim 4 is longitudinally arranged, it is characterised in that: institute It is tubular that the insulator stated stretches out the extension of vacuum interrupter lower end, and insulated tension pole (4) is positioned at cylinder, the extension of tubular Dividing and include first half and latter half, the length of first half is longer than the length of latter half.
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase the most according to claim 5 is longitudinally arranged, it is characterised in that: institute The first half of the extension stated connects an insulated support (6), and insulated support (6) top half is semicircular cylinder, Being cast with threaded insert in semicircular cylinder, threaded insert coordinates the insulated support (6) described in fixing connection and frame with bolt (1), the semicircular cylinder of insulated support (6) top half is stacked with the tubular first half of pole (2).
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase the most according to claim 6 is longitudinally arranged, it is characterised in that: institute The drive mechanism stated includes main shaft (14), rocking arm (15), connecting plate (16) and connecting lever (17), and rocking arm (15) is fixed on main shaft 14, Through there being bearing pin (18) on connecting lever (17), bearing pin (18) is by Interal fixation in frame (1), and the two ends of connecting plate (16) connect respectively Being connected on rocking arm (15) and connecting lever (17), connecting lever (17) is connected to insulated tension pole (4).
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase the most according to claim 7 is longitudinally arranged, it is characterised in that: institute Splitting lock cushioning connecting lever (8) and oil bumper (9) are installed after the frame 1 stated.
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase the most according to claim 8 is longitudinally arranged, it is characterised in that: It is fixed with switch-over row (5) on described lower outlet convex and insulated support (6).
The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase the most according to claim 8 is longitudinally arranged, it is characterised in that: Backward, Open Side Down for the threaded insert in lower convex for the opening of the described threaded insert in upper convex.
CN201620512171.7U 2016-05-30 2016-05-30 The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged Active CN205789686U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620512171.7U CN205789686U (en) 2016-05-30 2016-05-30 The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620512171.7U CN205789686U (en) 2016-05-30 2016-05-30 The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged

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CN205789686U true CN205789686U (en) 2016-12-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105845489A (en) * 2016-05-30 2016-08-10 宁波甬新东方电气有限公司 Wall-mounted type three-phase longitudinally-arranged medium-voltage vacuum circuit breaker
CN110911215A (en) * 2019-12-09 2020-03-24 北京双杰电气股份有限公司 Circuit breaker transmission mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105845489A (en) * 2016-05-30 2016-08-10 宁波甬新东方电气有限公司 Wall-mounted type three-phase longitudinally-arranged medium-voltage vacuum circuit breaker
CN110911215A (en) * 2019-12-09 2020-03-24 北京双杰电气股份有限公司 Circuit breaker transmission mechanism

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