CN205300903U - Rotatory dual -purpose circuit breaker mechanical characteristic detection device of straight line - Google Patents
Rotatory dual -purpose circuit breaker mechanical characteristic detection device of straight line Download PDFInfo
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- CN205300903U CN205300903U CN201520968689.7U CN201520968689U CN205300903U CN 205300903 U CN205300903 U CN 205300903U CN 201520968689 U CN201520968689 U CN 201520968689U CN 205300903 U CN205300903 U CN 205300903U
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- circuit breaker
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Abstract
The utility model discloses a rotatory dual -purpose circuit breaker mechanical characteristic detection device of straight line, including rectilinear transducer and angle sensor, rectilinear transducer and angle sensor fix on the fixed bolster, measure the one end and the coaxial fixed connection of circuit breaker transmission connecting lever of turning arm, and angle sensor's gaging spindle passes through the shaft coupling and measures the coaxial fixed connection of turning arm, and the one end that the arc changes the straight connecting rod articulates measure the other end of turning arm, the one end of horizontal connecting rod is then connected to the other end that the arc changes the straight connecting rod, the other end of horizontal connecting rod then the rigid coupling on the measurement pull rod rod end of fixing the rectilinear transducer on the fixed bolster equally. The utility model discloses utilize the measurement turning arm to convert the measurement of vertical stroke of circuit breaker or speed into level survey, solved circuit breaker mechanical characteristic and examined the limited problem of time measuring rectilinear transducer installation space, through adoption straight line rotation double - circuit sensor, the problem of having avoided single sensor failure to influence measuring result has improved the reliability of circuit breaker mechanical characteristic test simultaneously.
Description
Technical field
This utility model relates to the mechanical feature detection device of a kind of chopper for power system, and especially a kind of straight line rotates dual-purpose Detection Device for Mechanical Characteristics of Circuit Breaker.
Background technology
Chopper in type approval test, dispatch from the factory or testing mechanical characteristic before commissioning test, must be carried out. Additionally chopper is in the use procedure that puts into operation, and also must require and testing regulations according to technology, be periodically subject to testing mechanical characteristic to prevent or to find circuit breaker failure and exception. In the breaker mechanic property test of current power system, it is common that install rectilinear transducer or angular transducer in transmission crank arm or insulated tension pole additional, moving contact of breaker stroke or speed are measured.
In prior art, owing to high-voltage sf6 circuit breaker general work stroke is longer, it usually needs the rectilinear transducer coupling of larger row journey, if being directly loaded on by sensor on connecting lever or on insulated tension pole, the problem that installing space is not enough often occurs; The particularly chopper in some Phase in One Tank Type GIS, due to mechanism case structure closely, remaining space little, be difficult to provide directly installation rectilinear transducer position, often can only carry out characteristic test by use angle sensor. Additionally, when being used alone single-sensor measurement, if this sensor experiences failure, the reliability of test result can be directly influenced.
Utility model content
Technical problem to be solved in the utility model, just it is to provide a kind of straight line and rotates dual-purpose Detection Device for Mechanical Characteristics of Circuit Breaker, it is not limited by rectilinear transducer installing space when breaker mechanic property detects, and can also pass through straight line simultaneously and rotate the reliability of the breaker trip in the raising breaker mechanic property test of two-way sensor and tachometric survey.
Solving above-mentioned technical problem, the technical solution adopted in the utility model is as follows:
A kind of straight line rotates dual-purpose Detection Device for Mechanical Characteristics of Circuit Breaker, including rectilinear transducer and angular transducer, it is characterized in that: also including a measurement connecting lever, an arc turns straight connecting rod, a waling stripe, a shaft coupling and a fixed support;
Described rectilinear transducer and angular transducer are all fixed on fixed support, the one end measuring connecting lever is fixedly and coaxially connected with chopper transmission crank arm, the measurement axis of angular transducer is fixedly and coaxially connected with measuring connecting lever by shaft coupling, described arc turns the other end of the hinged described measurement connecting lever 10 in one end of straight connecting rod 20, and arc turns the other end of straight connecting rod 20 then:
Connecting one end of waling stripe 30, the other end of waling stripe 30 is then fixed on measurement pull bar 41 rod end of the described rectilinear transducer being fixed on equally on fixed support.
Or: measurement pull bar 41 rod end of the rectilinear transducer directly and being equally fixed on fixed support is hinged.
As a kind of embodiment of the present utility model, described fixed support includes a base that can be fixed on breaker operation mechanism cabinet shell, and base is provided with two for fixing the leg and at rectilinear transducer two ends for supporting the armstand of angular transducer; Described armstand has two through holes, and angular transducer is bearing in armstand by U-shaped stud.
Further, described waling stripe is L-shaped, and short of the bending of its L-shaped has through hole; There is screw thread the end measuring pull bar of rectilinear transducer, is connected through short through hole of bending and with two nuts and waling stripe are fixing.
Compared with prior art, this utility model has the following advantages:
This utility model utilizes measurement connecting lever that the measurement of vertical for chopper stroke or speed is converted to horizontal survey, solves the problem that during breaker mechanic property detection, rectilinear transducer installing space is limited; Simultaneously by adopting straight line to rotate two-way sensor, it is to avoid single-sensor fault affect the problem of measurement result, improve the reliability of the breaker trip during breaker mechanic property is tested and tachometric survey.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram front view of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the measurement result conversion schematic diagram of Fig. 1 embodiment.
In figure, 10-measures connecting lever, and 20-arc turns straight connecting rod, 30-waling stripe, 40-rectilinear transducer, the measurement pull bar of 41-rectilinear transducer, 50-shaft coupling, 60-angular transducer, 70-fixed support, 71-base, 72-leg, 73-armstand, 74-U shape stud, 80-chopper transmission crank arm, 81-insulating pull rod for breaker, 90-operating mechanism cabinet shell.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
As depicted in figs. 1 and 2, straight line of the present utility model rotates dual-purpose Detection Device for Mechanical Characteristics of Circuit Breaker embodiment, including rectilinear transducer 40 and angular transducer 60, in addition, also include a measurement connecting lever 10, one arc turns straight connecting rod 20, a waling stripe 30, shaft coupling 50 and a fixed support 70.
Rectilinear transducer 40 and angular transducer 60 are all fixed on fixed support 70, the one end measuring connecting lever 10 is fixedly and coaxially connected with chopper transmission crank arm 80, the measurement axis of angular transducer 60 is fixedly and coaxially connected with measuring connecting lever 10 by shaft coupling 50, arc is turned the two ends of straight connecting rod 20 and is then connected by pin with one end of the other end measuring connecting lever 10 and waling stripe 30 respectively, and the measurement pull bar 41 of rectilinear transducer is fixing with the other end of waling stripe 30 to be connected.
Fixed support 70 includes a base 71 that can be fixed on operating mechanism cabinet shell, and base is provided with two legs 72 for fixing rectilinear transducer two ends, and one is used for supporting the armstand 73 determining angular transducer;Armstand 73 has two through holes, and angular transducer 60 is fixed in armstand 73 by U-shaped stud 74; Waling stripe 30 is L-shaped, and short of its L-shaped has through hole; There is screw thread the end measuring pull bar 41 of rectilinear transducer, is connected through through hole and with two nuts are fixing with waling stripe 30.
As shown in Figure 3, the measured value assuming rectilinear transducer is H, the measured value of angular transducer is �� (radian), measured chopper traveled distance or speed are S, it is R that wall radius is turned in chopper transmission, measuring connecting lever radius is r, then exist with lower aprons corresponding relation: S=HR/r=�� R. Therefore can indirectly measure chopper traveled distance or speed by rectilinear transducer and angular transducer simultaneously, and can mutually be verified judging whether the situation that single-sensor breaks down.
From above-mentioned reasoning, it can be seen that adopt this utility model that breaker trip or speed are measured, it is possible to realize solving rectilinear transducer installing space limitation problem, improving the effect of breaker mechanic property testing reliability.
Claims (4)
1. straight line rotates a dual-purpose Detection Device for Mechanical Characteristics of Circuit Breaker, including rectilinear transducer and angular transducer, it is characterized in that: also include a measurement connecting lever, an arc turns straight connecting rod, a shaft coupling and a fixed support;
Described rectilinear transducer and angular transducer are all fixed on fixed support, the one end measuring connecting lever is fixedly and coaxially connected with chopper transmission crank arm, the measurement axis of angular transducer is fixedly and coaxially connected with measuring connecting lever by shaft coupling, described arc turns the other end of the hinged described measurement connecting lever in one end of straight connecting rod, and the measurement pull bar rod end that arc turns the rectilinear transducer that the other end of straight connecting rod then directly and is equally fixed on fixed support is hinged.
2. straight line according to claim 1 rotates dual-purpose Detection Device for Mechanical Characteristics of Circuit Breaker, it is characterized in that: described arc turns the other end of straight connecting rod and connects one end of a waling stripe, and the other end of waling stripe is just fixed on the measurement pull bar rod end of the described rectilinear transducer being fixed on equally on fixed support.
3. straight line according to claim 1 and 2 rotates dual-purpose Detection Device for Mechanical Characteristics of Circuit Breaker, it is characterized in that: described fixed support includes a base that can be fixed on the operating mechanism cabinet shell of chopper, base is provided with two for fixing the leg and at rectilinear transducer two ends for supporting the armstand of angular transducer; Described armstand has two through holes, and angular transducer is bearing in armstand by U-shaped stud.
4. straight line according to claim 3 rotates dual-purpose Detection Device for Mechanical Characteristics of Circuit Breaker, it is characterized in that: described waling stripe is L-shaped, short of the bending of its L-shaped has through hole; There is screw thread the end measuring pull bar of rectilinear transducer, is connected through short through hole of bending and with two nuts and waling stripe are fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968689.7U CN205300903U (en) | 2015-11-27 | 2015-11-27 | Rotatory dual -purpose circuit breaker mechanical characteristic detection device of straight line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968689.7U CN205300903U (en) | 2015-11-27 | 2015-11-27 | Rotatory dual -purpose circuit breaker mechanical characteristic detection device of straight line |
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| CN205300903U true CN205300903U (en) | 2016-06-08 |
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| CN201520968689.7U Active CN205300903U (en) | 2015-11-27 | 2015-11-27 | Rotatory dual -purpose circuit breaker mechanical characteristic detection device of straight line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372051A (en) * | 2015-11-27 | 2016-03-02 | 广东电网有限责任公司电力科学研究院 | Detection device of mechanical characteristics of linear-rotary dual-purpose breaker |
| CN109406120A (en) * | 2018-11-13 | 2019-03-01 | 许继集团有限公司 | A kind of breaker mechanic property examination device |
| CN113945837A (en) * | 2021-10-19 | 2022-01-18 | 广东电网有限责任公司 | Mechanical characteristic detection device for circuit breaker |
-
2015
- 2015-11-27 CN CN201520968689.7U patent/CN205300903U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372051A (en) * | 2015-11-27 | 2016-03-02 | 广东电网有限责任公司电力科学研究院 | Detection device of mechanical characteristics of linear-rotary dual-purpose breaker |
| CN109406120A (en) * | 2018-11-13 | 2019-03-01 | 许继集团有限公司 | A kind of breaker mechanic property examination device |
| CN109406120B (en) * | 2018-11-13 | 2020-08-11 | 许继集团有限公司 | Circuit breaker mechanical characteristic testing device |
| CN113945837A (en) * | 2021-10-19 | 2022-01-18 | 广东电网有限责任公司 | Mechanical characteristic detection device for circuit breaker |
| CN113945837B (en) * | 2021-10-19 | 2024-01-19 | 广东电网有限责任公司 | Circuit breaker mechanical property detection device |
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