CN2261081Y - Indoor hand-cart type high-voltage circuit breaker - Google Patents
Indoor hand-cart type high-voltage circuit breaker Download PDFInfo
- Publication number
- CN2261081Y CN2261081Y CN 96202858 CN96202858U CN2261081Y CN 2261081 Y CN2261081 Y CN 2261081Y CN 96202858 CN96202858 CN 96202858 CN 96202858 U CN96202858 U CN 96202858U CN 2261081 Y CN2261081 Y CN 2261081Y
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- connecting lever
- main shaft
- hydraulic power
- floodgate
- operating mechanism
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Abstract
The utility model relates to an indoor hand-cart type high-voltage circuit breaker, used for a power supply system to control and protect circuits. The utility model is composed of an arc-extinguishing chamber, a current transformer, a hydraulic power operating mechanism, a cart body, etc., wherein, the hydraulic power operating mechanism is composed of a hydraulic power device, a main shaft, a crank arm, a connecting rod, a cushion, etc. The utility model has the advantages of simple structure, high safety, stable operation, small impact force, flexible action and convenient maintenance; the utility model can be widely used for high-voltage power distribution systems in the fields of electric power, railways, metallurgy, mines, petroleum, chemical industry, etc.
Description
The utility model relates to the high-voltage electrical apparatus technical field, and particularly relating to electric pressure is below 35 kilovolts, a kind of device that can control and protect circuit.
The indoor handcart type primary cut-out of domestic production at present, its actuating system adopts direct solenoid operating mechanism and spring for accumulating energy operating mechanism mostly.The direct solenoid operating mechanism must have jumbo storage battery or rectifier power source, and the moment of closing a floodgate requires power supply that up to a hundred amperes electric current is provided, and impulsive force is big, overall investment expense height.Spring for accumulating energy operating mechanism complex structure, impulsive force is big, the machining accuracy of part and heat treatment requirements height, assembling and maintenance difficulty are big, are prone to mechanical breakdown, poor reliability, separate unit manufacturing expense height.
The purpose of this utility model is to overcome the shortcoming that above-mentioned existing primary cut-out actuating system exists, and a kind of novel high-voltage circuit-breaker of being made up of expulsion element, current transformer, hydraulic power operating mechanism, car body etc. is provided.Make that it is simple in structure, safe and reliable, smooth operation, little, the flexible movements, easy to maintenance of impulsive force.
The purpose of this utility model can realize in the following manner.
Keep basic compositions such as the former expulsion element of primary cut-out, current transformer, bus plug, insulation support, cushion cylinder, separating brake extension spring, rotating shaft, stopping means, connecting plate, contact stage clip, flexible conductor, support, insulated connecting rod, door body, wheel, earthing device, car body.And the hydraulic power operating mechanism of design actuating system for constituting by hydraulic power unit and main shaft, connecting lever, connecting rod, sincere son, mechanical latching etc.Hydraulic power unit is made of motor, impeller, pump case, separator, piston, oil cylinder, push rod etc., forms an independent parts, and it is fixedlyed connected with the car body bottom with hinge, but integral disassembly, assembly.Above hydraulic power unit and be parallel to car body bottom and be equiped with main shaft, vertically being welded with on main shaft closes a floodgate drives connecting lever, closing by hand connecting lever, combined floodgate moving connecting lever, action counting connecting lever, motor switch connecting lever, the auxilliary interlock connecting lever etc. of opening.
Above main shaft, also be equiped with the sincere son axle of the combined floodgate parallel with main shaft.Torsion spring control is housed, the sincere son of combined floodgate that gear shaft is spacing on this sincere son axle.Sincere sub-the place ahead is equipped with the separating brake calutron with support, the coaxial separating brake handgrip that is equipped with on its iron core closing a floodgate.Be with stage clip on the handgrip axle, stage clip the place ahead, the sidepiece on the handgrip axle is welded with the locking block.Locking block below, mechanical locking device is equipped with in the car body bottom.Mechanical locking device is made of deadlock lever, locking location-plate, mechanical latching handle, lockweight, stage clip etc., forms an independent parts, and it is fixedlyed connected with the car body bottom with screw.
The utility model is compared with existing primary cut-out, and is simple in structure, safe and reliable, and the energy source power is little, manufacturing expense is low.Because of operating system is the hydraulic power operating mechanism, so smooth operation, little, the flexible movements, easy to maintenance of impulsive force.
The utility model is described in further detail below in conjunction with drawings and Examples.
Accompanying drawing 1 is an indoor handcart type primary cut-out front view
Accompanying drawing 2 is an indoor handcart type primary cut-out right view
Among the figure, 1 is spacing buting iron, and 2 is current transformer, 3 is conductive plate, and 4 is the bus plug, and 5 is the expulsion element, 6 is flexible conductor, and 7 is touch spring, and 8 is connecting rod, 9 is little connecting plate, and 10 is support, and 11 is insulated connecting rod, 12 are rotating shaft, and 13 is big connecting plate, and 14 is the door body, 15 is connecting rod, and 16 is gusset, and 17 are the sincere son that closes a floodgate, 18 is gear shaft, and 19 is push rod, and 20 is the separating brake calutron, 21 is stage clip, and 22 is the handgrip axle, and 23 is the separating brake handgrip, 24 is door knob, and 25 is combined floodgate moving connecting lever, and 26 is switch lever, 27 is the closing by hand connecting lever, and 28 are the driving connecting lever that closes a floodgate, and 29 is deadlock lever, 30 are the locking location-plate, and 31 is the mechanical latching handle, and 32 is lockweight, 33 is stage clip, and 34 is wheel, and 35 is bearing pin, 36 is bearing, and 37 is hydraulic power unit, and 38 are the insulation support, 39 is base plate, and 40 is car body, and 41 is the side blend stop, 42 is motor, and 43 is impeller, and 44 is pump case, 45 is separator, and 46 is piston, and 47 is oil cylinder, 48 is push rod, and 49 is counter, and 50 are action counting connecting lever, 51 is the motor switch connecting lever, and 52 is to assist to open the interlock connecting lever, and 53 is travel switch, 54 is auxiliary switch, and 55 is cushion cylinder, and 56 are the buffering connecting lever that closes a floodgate, 57 is stopping means, 58 is the spacing connecting lever of separating brake, and 59 is separating brake power connecting lever, and 60 is tripping spring, 61 is handlebar, 62 are the locking block, and 63 is support, and 64 are the sincere son axle that closes a floodgate, 65 is torsion spring, 66 is main shaft, and 67 is mechanical locking device, and 68 are the locking buting iron, 69 is pressing plate, and 70 is earthing device.
Embodiment
In the present embodiment, the hydraulic power operating mechanism is made up of hydraulic power unit 37 and main shaft 66, connecting lever 28, connecting rod 15, sincere sub 17, switch lever 26, separating brake handgrip 23, mechanical locking device 67 etc.Hydraulic power unit 37 is by motor 42, impeller 43, formations such as pump case 44, separator 45, piston 46, oil cylinder 47, push rod 48.It is fixedlyed connected with car body 40 bottoms with hinge.
Hand-operating device is provided with separating brake handgrip 23, switch lever 26.Separating brake handgrip 23 is connected with the iron core of separating brake calutron 20 is coaxial, is contained on the support 63 that is fixed in car body 40, has constituted the separating brake hand-operating device.Switch lever 26 and closing by hand connecting lever 27 have constituted the combined floodgate hand-operating device.
When indoor handcart type primary cut-out (hereinafter to be referred as circuit breaker) combined floodgate electric operating, press switch knob, motor 42 loops are connected, the motor shaft high speed rotating, with the coaxial impeller that is connected 43 of motor shaft operating oil pressure is gone into the bottom working chamber of piston 46, force piston 46 to be gone ahead simultaneously and move together with push rod 48.Push rod 48 pushes the combined floodgate driving connecting lever 28 that is welded on the main shaft 66 and clockwise rotates around main shaft 66 centers, and the connecting rod 15 that interlock is articulated on the driving connecting lever 28 that closes a floodgate moves upward.The insulated connecting rod 11 that big connecting plate 13 rotates counterclockwise around its rotating shaft 12 centers and interlock is articulated on the big connecting plate 13 that connecting rod 15 promotes to be welded in the rotating shaft 12 travels forward.The little connecting plate 9 that insulated connecting rod 11 promotes to be articulated on the support 10 rotates counterclockwise around its hinge center, and the connecting rod 8 on the little connecting plate 9 of interlock moves downward, touch spring 7 is compressed, moving contact in the promotion expulsion element 5 engages with the fixed contact in the expulsion element 5, cause the high-tension circuit conducting, realize closing a floodgate.
In the entire mechanism feed motion, because rotating shaft 12 rotates counterclockwise around its center, the tripping spring 60 that is welded on the separating brake power connecting lever 59 in the rotating shaft 12 is stretched, and has stored the separating brake energy.In order to pin closing position, the time engages on demand to make dynamic and static contact, drive connecting lever 28 when its main shaft 66 centers clockwise rotate at the combined floodgate that promotes to be welded on the main shaft 66, be welded on the same main shaft 66 and be parallel to the combined floodgate moving connecting lever 25 that close a floodgate to drive connecting lever 28 and also clockwise rotate, until crossing " dead point " sincere sub 17 pinnings of being closed a floodgate around its main shaft 66 centers.Close a floodgate sincere sub 17 by torsion spring 65 control, and spacing, be installed on the sincere son axle 64 of combined floodgate parallel with main shaft 66 by gear shaft 18.Simultaneously, motor switch connecting lever 51 touching travel switches 53 cut off motor 42 power supplys, and motor 42 stops the rotation.At this moment, piston 46, push rod 48 set back under action of gravity.Making process is finished.
At this moment, be welded on the same main shaft 66, and be parallel to the action counting connecting lever 50 and the auxilliary interlock connecting lever 52 of opening that close a floodgate to drive connecting lever 25 and also realized function separately.
When indoor handcart type primary cut-out (hereinafter to be referred as circuit breaker) separating brake electric operating, press opening button, coil electricity in the separating brake calutron 20, iron core promote push rod 19 and travel forward, and sincere sub 17 " dead points " of combined floodgate of mechanical lock buckle position are discharged.Connecting rod 15 loses support, rotating shaft 12 is rotated around the hour hands of wherein being in a good mood under the effect of tripping spring 60, driving insulated connecting rod 11 moves backward, little connecting plate 9 clockwise rotates, the moving contact disengaging fixed contact that connecting rod 8 drives in the expulsion element 5 moves upward, strike stopping means 57 until the spacing connecting lever 58 of separating brake that is welded in the rotating shaft 12, each motion all stops, and separating brake is finished.
When closing by hand was operated, the external part that switch lever 26 is inserted closing by hand connecting lever 27 moved downward, and forces closing by hand connecting lever 27 to clockwise rotate around its main shaft 66 centers.Simultaneously, the combined floodgate driving connecting lever 28 that is welded on the same main shaft 66 also clockwise rotates around its main shaft 66 centers, and the connecting rod 15 that interlock is articulated on the driving connecting lever 28 that closes a floodgate moves upward.The big connecting plate 13 that connecting rod 15 promotes to be welded in the rotating shaft 12 rotates counterclockwise around its rotating shaft 12 centers, and the insulated connecting rod 11 that interlock is articulated on the big connecting plate 13 travels forward, the little connecting plate 9 that insulated connecting rod 11 promotes to be articulated on the support 10 rotates counterclockwise around its hinge center, and the connecting rod 8 on the little connecting plate 9 of interlock moves downward, touch spring 7 is compressed, moving contact in the promotion expulsion element 5 engages with the fixed contact in the expulsion element 5, causes the high-tension circuit conducting, realizes closing a floodgate.
When manual brake separating is operated, promote separating brake handgrip 23 and travel forward, the stage clip 21 that is enclosed within on the separating brake handgrip axle 22 is compressed.With the push rod 17 in the separating brake handgrip axle 22 coaxial separating brake calutrons 20 that are connected, force sincere sub 17 " dead points " of combined floodgate of mechanical lock buckle position to discharge.Connecting rod 15 loses support, rotating shaft 12 is rotated around the hour hands of wherein being in a good mood under the effect of tripping spring 60, driving insulated connecting rod 11 moves backward, little connecting plate 9 clockwise rotates, the moving contact disengaging fixed contact that connecting rod 8 drives in the expulsion element 5 moves upward, strike stopping means 57 until the spacing connecting lever 58 of separating brake that is welded in the rotating shaft 12, each motion all stops, and separating brake is finished.
Handcart is provided with mechanical locking device 67, when guaranteeing to have only breaker open operation, can promote handcart.During breaker closing work, the locking buting iron 68 that lockweight 32 is welded on the base plate 39 pins.Have only when promoting separating brake handgrip 23 to travel forward, circuit breaker is realized separating brake, and at this moment, locking block 62 reaches that are welded in handgrip axle 22 sidepieces are stepped down, and can put forward motivation tool latch handle 31, make lockweight 32 do not pinned by locking buting iron 68.Circuit breaker can free push-and-pull handcart under gate-dividing state.
Claims (1)
1, a kind of indoor handcart type primary cut-out, by the expulsion element, current transformer, the bus plug, insulation is supported, hand-operating device, tripping spring, operating mechanism, compositions such as car body, it is characterized in that operating mechanism is hydraulic power unit (37) and main shaft (66), connecting lever (28), connecting rod (15), the hydraulic power operating mechanism that sincere son (17) etc. constitute, hydraulic power unit (37) is by motor (42), impeller (43), pump case (44), separator (45), piston (46), oil cylinder (47), push rod formations such as (48), in hydraulic power unit (37) top and the bottom that is parallel to car body (40) be equiped with main shaft (66), vertically being welded with on main shaft (66) closes a floodgate drives connecting lever (28), closing by hand connecting lever (27), combined floodgate moving connecting lever (25), action counting connecting lever (50), motor switch connecting lever (51), the auxilliary interlock connecting lever (52) etc. of opening;
Also be equiped with the sincere son axle of the combined floodgate parallel (64) in main shaft (66) top with main shaft (66), be equiped with torsion spring (65) control on this sincere son axle (64), the sincere son of combined floodgate (17) that gear shaft (18) is spacing, sincere son (17) the place ahead is equipped with separating brake calutron (20) with support (63) closing a floodgate, the coaxial separating brake handgrip (23) that is equipped with on its iron core, be with stage clip (21) on the handgrip axle (22), stage clip (21) the place ahead, sidepiece on the handgrip axle (22) is welded with locking block (62), locking block (62) below, mechanical locking device (67) is equipped with in car body (40) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96202858 CN2261081Y (en) | 1996-02-14 | 1996-02-14 | Indoor hand-cart type high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96202858 CN2261081Y (en) | 1996-02-14 | 1996-02-14 | Indoor hand-cart type high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2261081Y true CN2261081Y (en) | 1997-08-27 |
Family
ID=33888647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96202858 Expired - Fee Related CN2261081Y (en) | 1996-02-14 | 1996-02-14 | Indoor hand-cart type high-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2261081Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100401441C (en) * | 2004-12-01 | 2008-07-09 | 三菱电机株式会社 | Switch device |
| CN105071275A (en) * | 2015-08-11 | 2015-11-18 | 成都交大川电科技有限公司 | Railway switch cabinet |
| CN107578960A (en) * | 2017-10-19 | 2018-01-12 | 武汉倍诺德开关股份有限公司 | A kind of railway electrification breaker apparatus and its conductive structure |
| CN107861044A (en) * | 2017-10-12 | 2018-03-30 | 上海正泰自动化软件系统有限公司 | A kind of test device of ZN63A vacuum circuit-breaker handcarts control circuit board |
| CN110957660A (en) * | 2019-12-17 | 2020-04-03 | 国网河南省电力公司南阳供电公司 | Electric trolley for indoor high-voltage SF6 circuit breaker |
| CN113593971A (en) * | 2021-08-02 | 2021-11-02 | 西安交通大学 | Integrated structure vacuum arc-extinguishing chamber and vacuum switch using same |
| CN117810020A (en) * | 2023-12-31 | 2024-04-02 | 俊郎电气有限公司 | Outdoor high-voltage alternating current vacuum circuit breaker |
-
1996
- 1996-02-14 CN CN 96202858 patent/CN2261081Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100401441C (en) * | 2004-12-01 | 2008-07-09 | 三菱电机株式会社 | Switch device |
| CN105071275A (en) * | 2015-08-11 | 2015-11-18 | 成都交大川电科技有限公司 | Railway switch cabinet |
| CN107861044A (en) * | 2017-10-12 | 2018-03-30 | 上海正泰自动化软件系统有限公司 | A kind of test device of ZN63A vacuum circuit-breaker handcarts control circuit board |
| CN107578960A (en) * | 2017-10-19 | 2018-01-12 | 武汉倍诺德开关股份有限公司 | A kind of railway electrification breaker apparatus and its conductive structure |
| CN110957660A (en) * | 2019-12-17 | 2020-04-03 | 国网河南省电力公司南阳供电公司 | Electric trolley for indoor high-voltage SF6 circuit breaker |
| CN110957660B (en) * | 2019-12-17 | 2021-08-20 | 国网河南省电力公司南阳供电公司 | Electric trolley for indoor high-voltage SF6 circuit breaker |
| CN113593971A (en) * | 2021-08-02 | 2021-11-02 | 西安交通大学 | Integrated structure vacuum arc-extinguishing chamber and vacuum switch using same |
| CN117810020A (en) * | 2023-12-31 | 2024-04-02 | 俊郎电气有限公司 | Outdoor high-voltage alternating current vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |