CN201698931U - Mechanical interlocking device of circuit breaker - Google Patents
Mechanical interlocking device of circuit breaker Download PDFInfo
- Publication number
- CN201698931U CN201698931U CN201020300845XU CN201020300845U CN201698931U CN 201698931 U CN201698931 U CN 201698931U CN 201020300845X U CN201020300845X U CN 201020300845XU CN 201020300845 U CN201020300845 U CN 201020300845U CN 201698931 U CN201698931 U CN 201698931U
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- CN
- China
- Prior art keywords
- driving shaft
- universal driving
- combined floodgate
- flakes
- hinged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a mechanical interlocking device of circuit breaker comprising a couple axle which is disposed on the support and provided with a rotating position-restricted pin and a reset spring, the couple axle being provided with an actuated arm for connecting with an operating handle, the couple axle being provided with a closing rocker and an opening rocker; wherein the closing rocker is hinged to an opening connecting rod, one end of the closing connecting rod having one part of its movement track intersected with that of one part of the closing connecting plate; wherein the closing rocker is hinged to an opening connecting rod which is hinged to the closing connecting plate. The device herein is for interlock protection for high-voltage breaker and high-voltage isolating switch and can prevent false operation of switch-on and switch-off and prevent on-loading switch-on and switch-off isolating switch operation without changing structure of circuit breaker. The utility model has the advantages of convenient usage and simple and reliable structure.
Description
Technical field
The utility model relates to the high voltage switchgear technical field, especially a kind of device that is used to realize primary cut-out and high voltage isolator interlock protection.
Background technology
In the high voltage switchgear that primary cut-out and high voltage isolator are housed, in order to prevent the on-load branch, to close isolating switch, need between primary cut-out and high voltage isolator, mechanical interlocks be set, existing this device is just like " high-pressure vacuum breaker mechanical interlocking protective device " (license notification number CN 2252399Y) and " mechanical interlocks between a kind of isolating switch and the fixed circuit breaker " (patent announcement CN 2840293Y), and the former is provided with to draw axle realization blocking function on the high-pressure vacuum breaker main shaft; The former is provided with on the high-pressure vacuum breaker main shaft and draws axle, by drawing a connection activity connecting lever, connecting rod and fanning strip, contact block is set on the fanning strip, fanning strip is with the divide-shut brake action of circuit breaker, the alignment pin that contact block and corresponding elasticity are met and discussed contact or separated, blocks when contacting high voltage isolator can not be extracted it, switch knob can not be operated, otherwise then can make switch motion.Thereby realized mechanical interlocking.The latter is provided with universal driving shaft and is movably connected on the circuit breaker by bent plate, one end of universal driving shaft is connected with isolator operating mechanism with pull bar by connecting lever, the other end of universal driving shaft is connected in locking bent plate on the circuit breaker by connecting lever and connecting plate, realizes blocking function with this.These device blocking functions are single, and universal driving shaft can not automatically reset, operating grip interlock that must isolating switch, and locking is unreliable, uses inconvenient.
Summary of the invention
Problem to be solved in the utility model provides a kind of breaker mechanical interlock, and it is single that it can overcome present mechanical interlocking scheme blocking function, and locking is unreliable, the shortcoming of inconvenient operation.
In order to address the above problem, technical solutions of the utility model are: this breaker mechanical interlock include the combined floodgate that is contained on the combined floodgate semiaxis in flakes and be contained on the separating brake semiaxis separating brake in flakes, in addition, it has a pedestal mounted universal driving shaft, and this universal driving shaft is provided with and is used for the actuating arm that is connected with control crank; Described universal driving shaft is provided with combined floodgate rocking arm and the branch brake rocker arm with this universal driving shaft servo-actuated; Described combined floodgate rocking arm is hinged with the combined floodgate connecting rod, the part of the movement locus of one end of this combined floodgate connecting rod is intersected with the part of described combined floodgate movement locus in flakes, when an end of combined floodgate connecting rod enters in flakes movement locus of described combined floodgate, can limit combined floodgate motion in flakes; When an end of combined floodgate connecting rod broke away from flakes movement locus of described combined floodgate, described combined floodgate in flakes can unrestricted reciprocating motion.Brake rocker arm was hinged with the branch brake connection rod in described minute, this minute brake connection rod and described separating brake be hinged in flakes; On the described universal driving shaft return spring is housed, is used for storing the driving energy and resets, spacer pin also is housed on described universal driving shaft,, guarantee that interlocked operation puts in place to limit the angle of its rotation to drive described universal driving shaft rotation.
In such scheme, described return spring generally can be contained between described universal driving shaft and the described bearing, described rotary spacing pin can be fixed on the one end in the described universal driving shaft by welding or being threaded, and the part that is arranged in the described universal driving shaft outside then just in time is in the spacing slotted hole of described bearing.
Owing to adopted such scheme, the utility model compared with prior art to have following beneficial effect to be: the structure that need not to change circuit breaker can realize preventing that mistake from dividing mistake to close circuit breaker, and the purpose of on-load deciliter isolating switch is easy to use, simple and reliable.
Description of drawings
Below in conjunction with accompanying drawing to the present invention's further detailed explanation again.
Accompanying drawing 1 is the front view of the utility model mechanical interlocks.
Accompanying drawing 2 is vertical views of the utility model mechanical interlocks.
Accompanying drawing 3 is the cutaway views at A-A place among Fig. 1.
Accompanying drawing 4 is the cutaway views at B-B place among Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with embodiment:
Shown in Figure 1 is a kind of front view that mechanical interlocking is installed at the spring operating mechanism top, this breaker mechanical interlock by universal driving shaft 1, bearing 2,3, combined floodgate Rocker arm 4, separating brake Rocker arm 5, rotary spacing pin 6, combined floodgate connecting rod 7, divide brake connection rod 8, return spring 9, steady pin 10, actuating arm 11, guide plate 12, close a floodgate in flakes 13, combined floodgate semiaxis 14, separating brake in flakes 17 and separating brake semiaxis 19 constitute.
Shown in Figure 3, closing a floodgate 13 is fixedly connected on the combined floodgate semiaxis 14 in flakes, when needing the combined floodgate circuit breaker, presses combined floodgate button 16, and the gangbar of closing coil 15 inside drives 13 motions in flakes of closing a floodgate, and is rotated counterclockwise breaker closing thereby drive combined floodgate semiaxis 14; Divide brake connection rod 8 to be fixedly connected on the separating brake semiaxis 19, when separating brake semiaxis 19 is rotated counterclockwise, breaker open operation.Bearing 2,3 is contained on the operating mechanism top by bolt, 1 of universal driving shaft is installed in the bearing 2,3, on the hole wall of bearing 2, be provided with the spacing slotted hole that is used to limit universal driving shaft 1 turned position, the inner of rotary spacing pin 6 is passed this spacing slotted hole and is fixedly connected in the universal driving shaft 1 by screw thread, the part of giving prominence in universal driving shaft 1 outside then is in this spacing slotted hole, return spring 9 also is housed on the universal driving shaft 1, one end of return spring 9 is contained on the steady pin 10 of fixedlying connected with universal driving shaft 1, and the other end is contained on the bearing 2.The left end of universal driving shaft 1 is welded with an actuating arm 11, and this actuating arm 11 is provided with through hole, is used for being connected by other parts with cashier's office in a shop control crank.The middle part of universal driving shaft 1 is equipped with the combined floodgate Rocker arm 4, and the outer end of combined floodgate Rocker arm 4 is hinged by the upper end of hinge hole and combined floodgate connecting rod 7, and the middle part of combined floodgate connecting rod 7 is installed in the through hole of guide plate 12, and the left end of guide plate 12 is by being bolted on the operating mechanism.The lower end of combined floodgate connecting rod 7 is stretched into combined floodgate downwards in flakes in 13 the movement locus when being rotated counterclockwise, to limit 13 the motion in flakes of closing a floodgate at the combined floodgate Rocker arm 4 in the motion of lower swing; The lower end of combined floodgate connecting rod 7 is at the combined floodgate Rocker arm 4 upwards in the motion of swing, upwards breaks away from outside 13 the movement locus when being rotated counterclockwise that close a floodgate in flakes, and can allow closes a floodgate 13 freely is rotated motion in flakes.The right-hand member of universal driving shaft 1 is equipped with the separating brake Rocker arm 5, the outer end of separating brake Rocker arm 5 is hinged with the upper end of dividing brake connection rod 8 by hinge hole, divide lower end and the separating brake of brake connection rod 8 17 to be hinged in flakes, the upper and lower swing of separating brake Rocker arm 5 can by separating brake in flakes 17 drive separating brake semiaxis 19 do positive and negative rotation.
During this device busy, only need the isolating switch control crank in the high-tension switch cabinet is connected with the actuating arm of breaker mechanical interlock, when the disconnecting switch operation operating grip, actuating arm can drive the respective link action, realizes preventing that the mistake branch from closing circuit breaker by mistake.In addition, a whole set of mechanical interlocks can be installed on the operating mechanism body as annex, need not to change the structure of circuit breaker, and is easy to use, simple and reliable.
Claims (2)
1. breaker mechanical interlock, include the combined floodgate that is contained on the combined floodgate semiaxis (14) (13) and be contained in separating brake (17) in flakes on the separating brake semiaxis (19) in flakes, it is characterized in that: a universal driving shaft (1) that is contained on the bearing (2,3) is arranged, and this universal driving shaft (1) is provided with actuating arm (11); Described universal driving shaft (1) is provided with combined floodgate rocking arm (4) and the branch brake rocker arm (5) with this universal driving shaft (1) servo-actuated; Described combined floodgate rocking arm (4) is hinged with combined floodgate connecting rod (7), and the part of the movement locus of an end of this combined floodgate connecting rod (7) and described the combined floodgate part of the movement locus of (13) in flakes intersect; Described minute brake rocker arm (5) be hinged with branch brake connection rod (8), this minute brake connection rod (8) and described separating brake (17) in flakes are hinged; Return spring (9) and rotary spacing pin (6) are housed on the described universal driving shaft (1).
2. a kind of breaker mechanical interlock according to claim 1 is characterized in that: described return spring (9) is contained between described universal driving shaft (1) and the described bearing (2); One end of described rotary spacing pin (6) is fixed in the described universal driving shaft (1), and the part that this rotary spacing pin (6) is arranged in described universal driving shaft (1) outside is in the spacing slotted hole of described bearing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020300845XU CN201698931U (en) | 2010-01-18 | 2010-01-18 | Mechanical interlocking device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020300845XU CN201698931U (en) | 2010-01-18 | 2010-01-18 | Mechanical interlocking device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201698931U true CN201698931U (en) | 2011-01-05 |
Family
ID=43400177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020300845XU Expired - Fee Related CN201698931U (en) | 2010-01-18 | 2010-01-18 | Mechanical interlocking device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201698931U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891046A (en) * | 2012-09-21 | 2013-01-23 | 北海银河开关设备有限公司 | Circuit breaker interlocking device |
| CN103578813A (en) * | 2013-11-20 | 2014-02-12 | 山东泰开电器开关有限公司 | Breaker interlocking device |
| CN104599876A (en) * | 2015-01-05 | 2015-05-06 | 上海中科电气(集团)有限公司 | Tripping and interlocking device in circuit breaker |
| CN110504132A (en) * | 2019-08-06 | 2019-11-26 | 安徽森源电器有限公司 | A kind of vacuum circuit breaker interlocking mechanism |
-
2010
- 2010-01-18 CN CN201020300845XU patent/CN201698931U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891046A (en) * | 2012-09-21 | 2013-01-23 | 北海银河开关设备有限公司 | Circuit breaker interlocking device |
| CN102891046B (en) * | 2012-09-21 | 2015-03-18 | 北海银河开关设备有限公司 | Circuit breaker interlocking device |
| CN103578813A (en) * | 2013-11-20 | 2014-02-12 | 山东泰开电器开关有限公司 | Breaker interlocking device |
| CN103578813B (en) * | 2013-11-20 | 2015-07-01 | 山东泰开电器开关有限公司 | Breaker interlocking device |
| CN104599876A (en) * | 2015-01-05 | 2015-05-06 | 上海中科电气(集团)有限公司 | Tripping and interlocking device in circuit breaker |
| CN110504132A (en) * | 2019-08-06 | 2019-11-26 | 安徽森源电器有限公司 | A kind of vacuum circuit breaker interlocking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20190118 |