CN204991585U - Transmission device for high -voltage circuit breaker - Google Patents
Transmission device for high -voltage circuit breaker Download PDFInfo
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- CN204991585U CN204991585U CN201520430485.8U CN201520430485U CN204991585U CN 204991585 U CN204991585 U CN 204991585U CN 201520430485 U CN201520430485 U CN 201520430485U CN 204991585 U CN204991585 U CN 204991585U
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- lever
- connecting lever
- transmission device
- pivot pin
- primary cut
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Abstract
The utility model discloses a transmission device for high -voltage circuit breaker, including frame and drive mechanism and the actuating mechanism of setting in the frame, drive mechanism include the connecting rod, even board and three turning arm, the pivot setting of turning arm is on same horizontal line, and actuating mechanism's output is connected through articulating the company's board that corresponds to the one end of a turning arm, and the one end of all the other two turning arms corresponds the sealed pole of explosion chamber respectively through articulated even board connection, the free end of three turning arm loops through and is linkage setting at same horizontal line articulated connecting rod. Can carry out level motion and vertical conversion of motion through the transmission of a plurality of turning arms among the drive mechanism, turning arm simple structure is reliable, utilizing the synchronization of its action, with the up -and -down motion of a pull rod, turning into two vertical motions, the structure is simple relatively, the cost further reduces, and the reliability obtains improving. Two structures of drawing of lower link in the adoption, it all has the pull rod to receive the pulling force at separating brake and combined floodgate in -process to guarantee, has improved driven reliability.
Description
Technical field
The utility model relates to high voltage electric switch apparatus field, is specially a kind of primary cut-out transmission device.
Background technology
In current primary cut-out field, 252kV/63kA porcelain knob breaker generally adopts three-pole breaker, every pole band operating mechanism, now because cut-offfing 80kA electric current needs, adopt the two poles of the earth 252kV/63kA porcelain knob breaker in parallel as a phase product, adopt an operating mechanism, the arc control device motion of band the two poles of the earth, current product is every pole circuit breaker mechanism, can not realize a mechanism is with the two poles of the earth arc extinguishing to run, adopt the setting of Liang Tai mechanism simultaneously, not only complex structure, and cost is high, simultaneously because needs carry out synchronous coordination, therefore its reliability also can reduce, reliable and stable transmission cannot be ensured.
Utility model content
For problems of the prior art, the utility model provides that a kind of assembling is simple, dependable performance, with low cost, can meet the primary cut-out transmission device of circuit breaker transmission needs.
The utility model is achieved through the following technical solutions:
A kind of primary cut-out transmission device, comprises framework and the transmission mechanism arranged in the frame and driving mechanism; Described transmission mechanism comprises connecting rod, connecting plate and three connecting levers; The rotating shaft of connecting lever is arranged in the same horizontal line, and one end of a connecting lever connects the output of driving mechanism by the connecting plate of hinged correspondence, one end of all the other two connecting levers connects the seal bar of corresponding arc control device respectively by hinged connecting plate; The free end of three connecting levers is arranged in interlock by the connecting rod hinged at same level line successively.
Preferably, connecting lever adopts T-shaped connecting lever; The connecting rod that two ends symmetrical in three T-shaped connecting levers respectively hinged same level line are arranged.
Preferably, in three connecting levers, be positioned at middle connecting lever and be connected with driving mechanism, the connecting lever at two ends is connected with the seal bar of arc control device respectively.
Preferably, in the guide that the take-off lever of driving mechanism is slidably matched in the vertical direction, the connecting plate that free end and the corresponding connecting lever of take-off lever connect is hinged.
Preferably, framework lower end is symmetrically arranged with multiple supporting leg.
Further, driving mechanism is arranged in the mechanism case that is fixed on framework, is provided with the leg coordinated with supporting leg bottom mechanism case.
Compared with prior art, the utility model has following useful technique effect:
The utility model can carry out the conversion of horizontal movement and vertical motion by the transmission of connecting lever multiple in transmission mechanism, and crank arm structure is simple and reliable; Utilize the synchronous of its action, by moving up and down of a pull bar, be converted into two vertical motions, structure is relatively simple, cost reduces further, reliability is improved.Two structures of drawing of lower link in employing, ensure have pull bar to be subject to pulling force in separating brake and making process, the intensity due to pull bar tension is greater than the intensity of pressurized, improves the reliability of transmission.Achieve the operation that just can drive two-phase arc control device by means of only an operating mechanism, ensure that the reliability of primary cut-out.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of structure "on" position described in the utility model example.
Fig. 2 is the schematic diagram of structure gate-dividing state described in the utility model example.
In figure: 1 is the first arc control device; 2 is the second arc control device; 3 first is seal bar; 4 is the first pivot pin; 5 is the first connecting plate; 6 is the second pivot pin; 7 is framework; 8 is the first pull bar; 9 is the 3rd pivot pin; 10 is the first connecting lever; 11 first rotating shafts; 12 is the 4th pivot pin; 13 is the second pull bar; 14 is the 5th pivot pin; 15 is the second rotating shaft; 16 is the second connecting lever; 17 is the 6th pivot pin; 18 is driving mechanism; 19 is mechanism case; 20 is guide; 21 is take-off lever; 22 is the 7th pivot pin; 23 is the second connecting plate; 24 is the 8th pivot pin; 25 is the 3rd pull bar; 26 is four-pull-rod; 27 is the 9th pivot pin; 28 is the 3rd rotating shaft; 29 is the 3rd connecting lever; 30 is the tenth pivot pin; 31 is the 11 pivot pin; 32 is the 3rd connecting plate; 33 is the 12 pivot pin; 34 second seal bar, 35 is the first supporting leg, and 36 is the second supporting leg.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, described in be to explanation of the present utility model instead of restriction.
As depicted in figs. 1 and 2, transmission device described in the utility model comprises driving mechanism 18, and the transmission mechanism that is connected with driving mechanism 18, and the connecting lever in transmission mechanism all preferably adopts T-shaped connecting lever; Specific as follows with the connection of winning in succession with respective link between each connecting lever.
Driving mechanism 18 connects and drives take-off lever 21 to move, take-off lever 21 relies on guide 20 to locate, move at vertical direction, take-off lever 21 is connected with the second connecting plate 23 by the 7th pivot pin 22, second connecting plate 23 is hinged by the drive end of the 8th pivot pin 24 and the second connecting lever 16, and its drive end is exactly the asymmetric end of T-shaped connecting lever; Second connecting lever 16 is subject to the spacing of the second rotating shaft 15, can rotate around the second rotating shaft 15, a symmetrical end of the second connecting lever 16 is connected with the first pull bar 8 and four-pull-rod 26 by the 5th pivot pin 14, and another symmetrical end of the second connecting lever 16 is connected with the second pull bar 13 and the 3rd pull bar 25 by the 6th pivot pin 17 simultaneously.
A symmetrical end of the first connecting lever 10 is connected by the free end of the 3rd pivot pin 9 with the first pull bar 8, and another symmetrical end of the first connecting lever 10 is connected by the free end of the 4th pivot pin 12 with the second pull bar 13; The asymmetric end of the first connecting lever 10 is connected with the first connecting plate 5 by the second pivot pin 6; First connecting plate 5 other end is connected with the first seal bar 3 by the first pivot pin 4; First seal bar 3 is spacing by arc control device 1, can only move at vertical direction.
A symmetrical end of the 3rd connecting lever 29 is connected with the free end of four-pull-rod 26 by the tenth pivot pin 30, and another symmetrical end of the 3rd connecting lever 29 is connected by the free end of the 9th pivot pin 27 with the 3rd pull bar 25; The asymmetric end of the 3rd connecting lever 29 is connected with the 3rd connecting plate 32 by the 11 pivot pin 31; 3rd connecting plate 32 other end is connected with the second seal bar 34 by the 12 pivot pin 33; Second seal bar 34 is spacing by arc control device 2, can only move at vertical direction.
The first symmetrical supporting leg 35 and the second supporting leg 36 is respectively arranged with in the bottom of framework 7; Driving mechanism 18 is arranged in mechanism case 19, and mechanism case 19 is fixed on the bottom of framework 7, and is provided with the leg coordinating common support with supporting leg, preferably can carry out the chassis design of integration, simplified structure.
The utility model primary cut-out transmission device, operationally as described below.
The utility model is in "on" position, as shown in Figure 1, during separating brake, driving mechanism 18 drives take-off lever 21 to move downward, take-off lever 21 is spacing by guide 20, can only move at vertical direction, take-off lever 21 drives the second connecting plate 23 to move downward by the 7th pivot pin 22, second connecting plate 23 drives the second connecting lever 16 clockwise direction to rotate by the 8th pivot pin 24, second connecting lever 16 is spacing by the second rotating shaft 15, can rotate around the second rotating shaft 15, second connecting lever 16 is connected with the first pull bar 8 and four-pull-rod 26 by the 5th pivot pin 14, second connecting lever 16 is connected with the second pull bar 13 and the 3rd pull bar 25 by the 6th pivot pin 17 simultaneously.First connecting lever 10 is connected with the first pull bar 7 by the 3rd pivot pin 9, and the first connecting lever 10 is connected with the second pull bar 13 by the 4th pivot pin 13; First pull bar 8 moves right, and the second pull bar 13, to left movement, drives the first connecting lever 10 to turn clockwise, and the first connecting lever 10 drives the first connecting plate 5 to connect by the second pivot pin 6 and moves downward; First connecting plate 5, drives the first seal bar 3 to move downward by the first pivot pin 4; First seal bar 3 is spacing by arc control device 1, can only move at vertical direction.3rd connecting lever 29 is connected with four-pull-rod 26 by the tenth pivot pin 30, and the 3rd connecting lever 29 is connected with the 3rd pull bar 25 by the 9th pivot pin 27; Four-pull-rod 26 moves right, and the 3rd pull bar 25 is to left movement, and drive the 3rd connecting lever 29 to turn clockwise, the 3rd connecting lever 29 drives the 3rd connecting plate 32 to move downward by the 11 pivot pin 31; 3rd connecting plate 32 drives the second seal bar 34 to move downward by the 12 pivot pin 33; Second seal bar 34 is spacing by arc control device 2, can only move, thus complete sub-switching operation at vertical direction.
The utility model is in gate-dividing state, as shown in Figure 2, during combined floodgate, driving mechanism 18 drives take-off lever 21 to move upward, take-off lever 21 is spacing by guide 20, can only move at vertical direction, take-off lever 21 drives the second connecting plate 23 to move upward by the 7th pivot pin 22, second connecting plate 23 drives the second connecting lever 16 counterclockwise to rotate by the 8th pivot pin 24, second connecting lever 16 is spacing by the second rotating shaft 15, can rotate around the second rotating shaft 15, second connecting lever 16 is connected with the first pull bar 8 and four-pull-rod 26 by the 5th pivot pin 14, second connecting lever 16 is connected with the second pull bar 13 and the 3rd pull bar 25 by the 6th pivot pin 17 simultaneously.First connecting lever 10 is connected with the first pull bar 7 by the 3rd pivot pin 9, and the first connecting lever 10 is connected with the second pull bar 13 by the 4th pivot pin 13; First pull bar 8 is to left movement, and the second pull bar 13 moves right, and the second connecting lever 16 drives the first connecting lever 10 to be rotated counterclockwise, and the first connecting lever 10 drives the first connecting plate 5 to connect by the second pivot pin 6 and moves upward; First connecting plate 5, drives the first seal bar 3 to move upward by the first pivot pin 4; First seal bar 3 is spacing by arc control device 1, can only move at vertical direction.3rd connecting lever 29 is connected with four-pull-rod 26 by the tenth pivot pin 30, and the 3rd connecting lever 29 is connected with the 3rd pull bar 25 by the 9th pivot pin 27; Four-pull-rod 26 is to left movement, and the 3rd pull bar 25 moves right, and drive the 3rd connecting lever 29 to be rotated counterclockwise, the 3rd connecting lever 29 drives the 3rd connecting plate 32 to move upward by the 11 pivot pin 31; 3rd connecting plate 32 drives the second seal bar 34 to move upward by the 12 pivot pin 33; Second seal bar 34 is spacing by arc control device 2, can only move, thus complete closing operation at vertical direction.
The utility model primary cut-out transmission device moving up and down a take-off lever 21, is converted into two seal bar vertical motion separately; Structure is simple, sealing part reduces, cost reduces further, and reliability is improved.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model is only limitted to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the utility model by submitted to claims determination scope of patent protection.
Claims (6)
1. a primary cut-out transmission device, is characterized in that, comprises framework (7) and arranges transmission mechanism in the frame and driving mechanism (18); Described transmission mechanism comprises connecting rod, connecting plate and three connecting levers; The rotating shaft of connecting lever is arranged in the same horizontal line, and one end of a connecting lever connects the output of driving mechanism (18) by the connecting plate of hinged correspondence, one end of all the other two connecting levers connects the seal bar of corresponding arc control device respectively by hinged connecting plate; The free end of three connecting levers is arranged in interlock by the connecting rod hinged at same level line successively.
2. a kind of primary cut-out transmission device according to claim 1, is characterized in that, described connecting lever adopts T-shaped connecting lever; The connecting rod that two ends symmetrical in three T-shaped connecting levers respectively hinged same level line are arranged.
3. a kind of primary cut-out transmission device according to claim 1, is characterized in that, in three connecting levers, be positioned at middle connecting lever and be connected with driving mechanism, the connecting lever at two ends is connected with the seal bar of arc control device respectively.
4. a kind of primary cut-out transmission device according to claim 1, it is characterized in that, in the guide (20) that the take-off lever (21) of described driving mechanism (18) is slidably matched in the vertical direction, the connecting plate that free end and the corresponding connecting lever of take-off lever (21) connect is hinged.
5. a kind of primary cut-out transmission device according to claim 1, is characterized in that, described framework (7) lower end is symmetrically arranged with multiple supporting leg.
6. a kind of primary cut-out transmission device according to claim 5, it is characterized in that, described driving mechanism (18) is arranged in the mechanism case (19) that is fixed on framework (7), and mechanism case (19) bottom is provided with the leg coordinated with supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430485.8U CN204991585U (en) | 2015-06-19 | 2015-06-19 | Transmission device for high -voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430485.8U CN204991585U (en) | 2015-06-19 | 2015-06-19 | Transmission device for high -voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991585U true CN204991585U (en) | 2016-01-20 |
Family
ID=55125926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520430485.8U Active CN204991585U (en) | 2015-06-19 | 2015-06-19 | Transmission device for high -voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991585U (en) |
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2015
- 2015-06-19 CN CN201520430485.8U patent/CN204991585U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160630 Address after: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee after: China XD Electronic Corporation Patentee after: Xi'an XD High Voltage Apparatus Co., Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: China XD Electronic Corporation |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xi'an XD High Voltage Apparatus Co., Ltd. Assignor: China Xidian electric Limited by Share Ltd |Xi'an Xidian switchgear Co., Ltd. Contract record no.: 2016610000038 Denomination of utility model: Transmission device for high-voltage circuit breaker Granted publication date: 20160120 License type: Exclusive License Record date: 20160812 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |