CN213070986U

CN213070986U - Interlocking system of outdoor high-voltage vacuum switch and isolating switch

Info

Publication number: CN213070986U
Application number: CN202022524624.7U
Authority: CN
Inventors: 应金鹏
Original assignee: JIANGXI WANPING VACUUM ELECTRICAL APPLIANCES CO LTD
Current assignee: JIANGXI WANPING VACUUM ELECTRICAL APPLIANCES CO LTD
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-04-27
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses an outdoor high-pressure vacuum switch and isolator's interlocking system relates to an interlocking device technical field, specifically is an outdoor high-pressure vacuum switch and isolator's interlocking system, including the vacuum switch case, the top of vacuum switch case articulates there is the control lever, and one side of control lever articulates there is control connecting rod, control connecting rod's one end fixedly connected with movable block. This kind of outdoor high-pressure vacuum switch and isolator's interlocking system, setting through the slide bar, make this kind of outdoor high-pressure vacuum switch and isolator's interlocking system possess the effect that prevents the maloperation, through the slide bar, the slide bar stopper, the carousel dead lever, the cooperation setting of second spring and carousel, in the in-process that uses only can operate isolator after earlier disconnection vacuum switch, only can just closed vacuum switch behind the earlier closed isolator, thereby played the effect that prevents the maloperation, the purpose of safe handling has been reached.

Description

Interlocking system of outdoor high-voltage vacuum switch and isolating switch

Technical Field

The utility model relates to an interlocking technical field specifically is an outdoor high-pressure vacuum switch and isolator's interlocking system.

Background

The combined electric appliance of the outdoor high-voltage vacuum switch and the isolating switch is an important electric appliance which is used for switching on/off load current, overcurrent current, short circuit and withstand current in a three-phase power distribution system. The combined electrical appliances are installed on an overhead line, so that the installation position is higher, the judgment on misoperation during operation is poorer, and higher requirements are provided for the interlocking device for preventing misoperation.

The high-voltage circuit breaker can be used as a disconnection point for connecting a load, transferring the load and cutting off short-circuit fault current, and cannot be used as a power failure isolation point. The outdoor circuit breaker is required to be matched with a disconnecting switch. The isolating switch is only used for isolating the power supplies on the two sides after the high-voltage circuit breaker is powered off, namely, the isolating switch is only used as an isolating point and is not used as a disconnecting point. The during normal work, high voltage circuit breaker and isolator all are in the switch-on position, when needs cut off power supply, must cut off isolator behind the high voltage circuit breaker earlier, and when the switch-on, then must switch on high voltage circuit breaker behind the switch-on isolator earlier, the maloperation will cause serious loss and destruction for electric power system, also can't guarantee to overhaul electric wire netting personnel's personal safety, consequently, need for an outdoor high pressure vacuum switch and isolator's interlocking system urgently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an outdoor high-pressure vacuum switch and isolator's interlocking system has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an outdoor high pressure vacuum switch and isolator's interlocking system, includes the vacuum switch case, the top of vacuum switch case articulates there is the control lever, and one side of control lever articulates there is the control connecting rod, and the one end fixedly connected with movable block of control connecting rod, the slip hole has been seted up to one side of movable block, and the inside sliding connection of slip hole has the dog, and one side fixedly connected with control block of dog, the interior diapire fixedly connected with slide bar fixed block of the vacuum switch case of locating, the spout has been seted up to the upper surface of slide bar fixed block, and the inside sliding connection of spout has the slide bar, one side fixedly connected with isolator base of vacuum switch case, isolator base's top articulates there is the carousel dead lever, isolator base's top is rotated and is connected with the bull stick.

Optionally, the shape of control block is the L type, the top fixedly connected with control block connecting rod of control block, the one end of control block connecting rod is rotated and is connected with the gag lever post, and first spring has been cup jointed to the surface of gag lever post, and the one end butt joint of first spring has changeed the piece, and the through-hole has been seted up to one side of changeing the piece, and the inside of through-hole is pegged graft and is had the gag lever post, one side of changeing the piece rotates with the inside wall of vacuum switch box to.

Optionally, one side of the slide bar is fixedly connected with two control block stoppers, the number of the control block stoppers is two, the control block stoppers are respectively located on two sides of the control block, a vacuum switch connecting rod is hinged above the slide bar, one end of the vacuum switch connecting rod is hinged with a switch trigger block, the inner top wall of the vacuum switch box is fixedly connected with a vacuum switch, and the switch trigger block is inserted in the vacuum switch.

Optionally, a through hole is formed in one side of the vacuum switch box, a sliding rod is inserted into the through hole, and a sliding rod limiting block is fixedly connected above the sliding rod.

Optionally, one side of the turntable fixing rod is fixedly connected with a second spring, and one end of the second spring is fixedly connected with the upper surface of the isolating switch base.

Optionally, a turntable limiting groove is formed in the lower surface of the turntable, a turntable connecting rod is connected to one side of the turntable in a rotating mode, a sliding rod limiting groove is formed in one side of the turntable, an insulating block is sleeved on the outer surface of the rotating rod, the insulating block is made of ceramic materials, a trigger turntable is sleeved on the outer side surface of the rotating rod and comprises a first turntable and a second turntable, a spring is firstly contacted through fixedly connected with one side of the first turntable, a contact is firstly contacted through one end of the spring, and a spring is contacted through one side fixedly connected with second of the second turntable.

(III) advantageous effects

The utility model provides an outdoor high-pressure vacuum switch and isolator's interlocking system possesses following beneficial effect:

1. this kind of outdoor high-pressure vacuum switch and isolator's interlocking system, setting through the slide bar, make this kind of outdoor high-pressure vacuum switch and isolator's interlocking system possess the effect that prevents the maloperation, through the slide bar, the slide bar stopper, the carousel dead lever, the cooperation setting of second spring and carousel, in the in-process that uses only can operate isolator after earlier disconnection vacuum switch, only can just closed vacuum switch behind the earlier closed isolator, thereby played the effect that prevents the maloperation, the purpose of safe handling has been reached.

Drawings

FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic perspective view of the turntable of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic sectional view of the top view structure of the turntable of the present invention.

In the figure: 1. a vacuum switch box; 2. a control lever; 3. a control link; 4. a moving block; 5. a control block; 6. a control block connecting rod; 7. a limiting rod; 8. a first spring; 9. rotating the block; 10. a slide bar; 11. a control block stop; 12. a vacuum switch connecting rod; 13. a vacuum switch; 14. a slide bar limiting block; 15. an isolator base; 16. a turntable fixing rod; 17. a second spring; 18. a rotating rod; 19. a turntable; 20. a turntable connecting rod; 21. an insulating block; 22. a first turntable; 23. a second turntable; 24. a first touch spring; 25. a contact; 26. the second touches the clockwork spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: an interlocking system of an outdoor high-voltage vacuum switch and an isolating switch comprises a vacuum switch box 1, a control rod 2 is hinged above the vacuum switch box 1, one side of the control rod 2 is hinged with a control connecting rod 3, one end of the control connecting rod 3 is fixedly connected with a moving block 4, one side of the moving block 4 is provided with a sliding hole, the inside of the sliding hole is slidably connected with a stop block, one side of the stop block is fixedly connected with a control block 5, the control block 5 is L-shaped, the upper part of the control block 5 is fixedly connected with a control block connecting rod 6, one end of the control block connecting rod 6 is rotatably connected with a limiting rod 7, the outer surface of the limiting rod 7 is sleeved with a first spring 8, one end of the first spring 8 is abutted with a rotating block 9, one side of the rotating block 9 is provided with a through hole, the inside of the through hole is inserted with the limiting rod 7, one side of the rotating block 9 is rotatably, the upper surface of the slide bar fixing block is provided with a sliding groove, the inside of the sliding groove is connected with a slide bar 10 in a sliding way, one side of the slide bar 10 is fixedly connected with two control block stoppers 11, the number of the control block stoppers 11 is two, and the two control block stoppers are respectively positioned at two sides of the control block 5, a vacuum switch connecting bar 12 is hinged above the slide bar 10, one end of the vacuum switch connecting bar 12 is hinged with a switch trigger block, the inner top wall of the vacuum switch box 1 is fixedly connected with a vacuum switch 13, the inside of the vacuum switch 13 is inserted with the switch trigger block, one side of the vacuum switch box 1 is provided with a through hole, the inside of the through hole is inserted with the slide bar 10, a slide bar stopper 14 is fixedly connected above the slide bar 10, one side of the vacuum switch box 1 is fixedly connected with an isolating switch base 15, the upper part of the isolating switch base 15 is hinged with, the upper part of the base 15 of the isolating switch is rotatably connected with a rotating rod 18, the outer surface of the rotating rod 18 is sleeved with a rotary disc 19, through the arrangement of a sliding rod 10, the interlocking system of the outdoor high-voltage vacuum switch and the isolating switch has the effect of preventing misoperation, through the matching arrangement of the sliding rod 10, a sliding rod limiting block 14, a rotary disc fixing rod 16, a second spring 17 and the rotary disc 19, the isolating switch can be operated only after the vacuum switch 13 is firstly disconnected in the use process, the vacuum switch 13 can be closed only after the isolating switch is firstly closed, so that the misoperation prevention effect is achieved, the purpose of safe use is achieved, the lower surface of the rotary disc 19 is provided with a rotary disc limiting groove, one side of the rotary disc is rotatably connected with a rotary disc connecting rod 20, one side of the rotary disc 19 is provided with a sliding rod limiting groove, the outer surface of the rotating rod 18 is sleeved with an, the lateral surface of bull stick 18 has cup jointed the trigger carousel, and the trigger carousel includes first carousel 22 and second carousel 23, and one side fixedly connected with of first carousel 22 touches clockwork spring 24, and the first one end fixedly connected with contact 25 that touches clockwork spring 24, one side fixedly connected with second of second carousel 23 touches clockwork spring 26.

When the device is used, the control rod 2 is pulled upwards, the control rod 2 drives the control connecting rod 3 to move upwards, the control connecting rod 3 drives the moving block 4 to move upwards, the moving block 4 drives the control block 5 to rotate around the shaft, the control block 5 drives the control block connecting rod 6 to rotate, so that the limiting rod 7 is driven to rotate around the rotating block 9, the limiting rod 7 slides in a through hole formed in the rotating block 9, the first spring 8 is compressed, the control block 5 pushes the control block stop 11, after the limiting block is pushed to a limit position, the first spring 8 extends to limit the control block connecting rod 6 to rotate, so that the control block 5 is limited to rotate, the control block stop 11 drives the sliding rod 10 to move, the sliding rod 10 is abutted against the turntable fixing rod 16, the turntable fixing rod 16 is moved out of a turntable limiting groove formed in the lower surface of the turntable 19, so that the rotating rod 18 can rotate, the rotating rod 18 drives the turntable 19, the, the movement of the sliding rod 10 is limited, the first rotating disc 22 and the second rotating disc 23 rotate to drive the first contact spring 24 and the second contact spring 26 to rotate, the contact 25 is disconnected with the second contact spring 26, the circuit is disconnected, when the circuit is closed, the sliding rod limiting block 14 is clamped in the sliding rod limiting groove, the sliding rod 10 cannot move, the rotating rod 18 can only rotate firstly, the rotating rod 18 drives the second contact spring 26 to contact the contact 25, the isolating switch is closed, the rotating rod 18 drives the rotating disc 19 to rotate, the sliding rod limiting groove on one side of the rotating disc 19 is not clamped with the sliding rod limiting block 14 any more, the sliding rod 10 can slide, the sliding rod 10 drives the vacuum switch connecting rod 12 to rotate around one end, and the closing of the vacuum switch 13.

The utility model discloses a theory of operation and beneficial effect: this kind of outdoor high-pressure vacuum switch and isolator's interlocking system, setting through slide bar 10, make this kind of outdoor high-pressure vacuum switch and isolator's interlocking system possess the effect that prevents the maloperation, through slide bar 10, slide bar stopper 14, carousel dead lever 16, second spring 17 and carousel 19's cooperation setting, in the in-process that uses only can operate isolator after breaking off vacuum switch 13 earlier, only can closed vacuum switch 13 behind the closed isolator earlier, thereby played the effect that prevents the maloperation, the purpose of safe handling has been reached.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an outdoor high-pressure vacuum switch and isolator's interlock system, includes vacuum switch box (1), its characterized in that: a control rod (2) is hinged above the vacuum switch box (1), a control connecting rod (3) is hinged on one side of the control rod (2), a moving block (4) is fixedly connected to one end of the control connecting rod (3), a sliding hole is formed in one side of the moving block (4), a check block is slidably connected inside the sliding hole, a control block (5) is fixedly connected to one side of the check block, a sliding rod fixing block is fixedly connected to the inner bottom wall of the vacuum switch box (1), a sliding groove is formed in the upper surface of the sliding rod fixing block, a sliding rod (10) is slidably connected inside the sliding groove, one side of the vacuum switch box (1) is fixedly connected with an isolating switch base (15), a turntable fixing rod (16) is hinged above the isolating switch base (15), a rotating rod (18) is rotatably connected above the isolating switch base (15), and a rotating disc (19) is sleeved on the outer surface of the rotating rod (18).

2. The interlocking system of the outdoor high-voltage vacuum switch and the isolating switch according to claim 1, characterized in that: the shape of control block (5) is the L type, the top fixedly connected with control block connecting rod (6) of control block (5), the one end of control block connecting rod (6) is rotated and is connected with gag lever post (7), and first spring (8) have been cup jointed to the surface of gag lever post (7), and the one end butt joint of first spring (8) has changeed piece (9), changes one side of piece (9) and has seted up the through-hole, and the inside of through-hole is pegged graft and is had gag lever post (7), the inside wall of one side and vacuum switch box (1) of changeing piece (9) rotates and is connected.

3. The interlocking system of the outdoor high-voltage vacuum switch and the isolating switch according to claim 1, characterized in that: one side fixedly connected with control block dog (11) of slide bar (10), the quantity of control block dog (11) has two, and is located the both sides of control block (5) respectively, the top of slide bar (10) articulates there is vacuum switch connecting rod (12), and the one end of vacuum switch connecting rod (12) articulates there is the switch trigger block, the interior roof fixedly connected with vacuum switch (13) of vacuum switch box (1), the inside grafting of vacuum switch (13) has the switch trigger block.

4. The interlocking system of the outdoor high-voltage vacuum switch and the isolating switch according to claim 1, characterized in that: a through hole is formed in one side of the vacuum switch box (1), a sliding rod (10) is inserted into the through hole, and a sliding rod limiting block (14) is fixedly connected above the sliding rod (10).

5. The interlocking system of the outdoor high-voltage vacuum switch and the isolating switch according to claim 1, characterized in that: one side fixedly connected with second spring (17) of carousel dead lever (16), the one end and the last fixed surface of isolator base (15) of second spring (17) are connected.

6. The interlocking system of the outdoor high-voltage vacuum switch and the isolating switch according to claim 1, characterized in that: the carousel spacing groove has been seted up to the lower surface of carousel (19), one side of carousel rotates and is connected with carousel connecting rod (20), the slide bar spacing groove has been seted up to one side of carousel (19), insulating block (21) have been cup jointed to the surface of bull stick (18), and the material of insulating block (21) is ceramic material, the lateral surface of bull stick (18) has been cup jointed and has been triggered the carousel, triggers the carousel and includes first carousel (22) and second carousel (23), one side fixedly connected with of first carousel (22) first touches clockwork spring (24), first one end fixedly connected with contact (25) that touch clockwork spring (24), one side fixedly connected with second of second carousel (23) touches clockwork spring (26).