CN209945703U - Circuit breaker contact spring measuring device - Google Patents
Circuit breaker contact spring measuring device Download PDFInfo
- Publication number
- CN209945703U CN209945703U CN201920940386.2U CN201920940386U CN209945703U CN 209945703 U CN209945703 U CN 209945703U CN 201920940386 U CN201920940386 U CN 201920940386U CN 209945703 U CN209945703 U CN 209945703U
- Authority
- CN
- China
- Prior art keywords
- ruler
- sliding
- contact spring
- circuit breaker
- measuring
- 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.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a measuring device for a contact spring of a circuit breaker, which comprises a main ruler and a sliding ruler; the main scale comprises a first extending arm; one end of the first stretching arm is provided with a ruler rod, and the other end of the first stretching arm is provided with a miniature laser displacement sensor; the upper end of the ruler rod is provided with a main ruler measuring claw; the sliding ruler comprises a second extending arm; one end of the second stretching arm is provided with a sliding ruler measuring claw, and the other end of the second stretching arm is provided with a sliding ruler target; the measuring claw of the sliding ruler is longitudinally connected with the ruler rod in a sliding manner, and the main ruler is provided with an elastic part; during detection, the main scale measuring claw and the sliding scale measuring claw are clamped outside the two contact spring seats respectively by means of elasticity of the elastic piece, two distance measuring values are obtained by irradiating the sliding scale target through the miniature laser displacement sensor respectively during opening and closing, the difference value of the two distance values is the compression amount of the contact spring, namely the over travel, and the technical problem that the peripheral space of the contact spring of the existing circuit breaker is narrow after the contact spring is assembled and the compressed distance of the contact spring of the circuit breaker can not be measured by using a conventional measuring tool is solved.
Description
Technical Field
The utility model relates to a medium voltage switchgear technical field, more specifically say, relate to a circuit breaker contact spring measuring device.
Background
Along with the increase of the construction investment of a power distribution network, the requirements on the reliability and the stability of power supply are higher and higher, wherein a circuit breaker is one of the most important devices in the medium-voltage switch device, the overtravel (the overtravel: the distance of continuous movement of a moving contact part which generates closing force after a switch contact is contacted in the closing operation) in the mechanical characteristic parameters of the circuit breaker is also one of the important parameters, the overtravel has the function of ensuring that the contact can still keep certain contact pressure and reliable electric contact after certain degree of electric wear, the actual magnitude of the overtravel corresponds to the actual magnitude of the contact pressure of the contact, and the actual magnitude of the overtravel must be debugged in the technical requirement range, so that the actual magnitude of the contact pressure of the contact can be ensured to be in the technical requirement range, therefore, the debugging of the over travel is embodied in the debugging of the compressed distance of the contact spring of the circuit breaker, the measurement of the compressed distance of the contact spring of the circuit breaker is very important and is a necessary item, the surrounding space of the contact spring of the circuit breaker after the assembly is very small, the compressed distance of the contact spring of the circuit breaker can not be measured by using a conventional measuring tool, and the technical problem can be solved by the measuring device of the contact spring of the circuit breaker.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a circuit breaker contact spring measuring device to it is very narrow and small because of its surrounding space behind the assembly of circuit breaker contact spring among the solution prior art, can not use conventional measuring tool to measure the technological problem of the distance that circuit breaker contact spring compressed.
The utility model provides a technical scheme that its technical problem adopted is:
constructing a measuring device for a contact spring of a circuit breaker, wherein the measuring device comprises a main ruler and a sliding ruler; the main scale comprises a first extending arm; one end of the first stretching arm is provided with a longitudinal ruler rod, and the other end of the first stretching arm is provided with a miniature laser displacement sensor; the upper end of the ruler rod is provided with a main ruler measuring claw; the sliding ruler comprises a second extending arm; one end of the second stretching arm is provided with a sliding ruler measuring claw opposite to the main ruler measuring claw, and the other end of the second stretching arm is provided with a sliding ruler target opposite to the micro laser displacement sensor; the sliding ruler measuring claw is connected with the ruler rod in a longitudinal sliding mode, and the main ruler is provided with an elastic piece which provides elastic force for the sliding ruler measuring claw.
The utility model discloses a circuit breaker contact spring measuring device, wherein, the elastic component is the spring; the ruler rod is provided with a spring mounting block; the sliding ruler measuring claw is positioned between the main ruler measuring claw and the elastic part mounting block; and two ends of the spring are respectively connected with the sliding ruler measuring claw and the spring mounting block.
Breaker contact spring measuring device, wherein, the main scale measure the claw with the connection can be dismantled to the chi pole.
The utility model discloses a circuit breaker contact spring measuring device, wherein, the sliding ruler measuring claw is provided with a sliding hole matched with the ruler rod; the cross section of the ruler rod is non-circular.
Breaker contact spring measuring device, wherein, the tip of chi pole is provided with the installation miniature laser displacement sensor's mounting panel.
Breaker contact spring measuring device, wherein, the mounting panel with the chi pole is located respectively the first both sides of stretching into the arm.
Circuit breaker contact spring measuring device, wherein, miniature laser displacement sensor is connected with miniature laser displacement sensor controller through signal output line.
The beneficial effects of the utility model reside in that: during detection, the first stretching arm and the second stretching arm stretch into the position of the contact spring, the second stretching arm is pushed towards the direction departing from the main ruler measuring claw, so that the sliding ruler measuring claw moves away from the main ruler measuring claw, the elastic part is compressed, the main ruler measuring claw and the sliding ruler measuring claw are clamped outside two contact spring seats respectively, the second stretching arm is loosened, the elastic part recovers elastic force, the sliding ruler measuring claw resets and is clamped, the sliding ruler measuring claw irradiates to the sliding ruler target through the miniature laser displacement sensor respectively during opening and closing to obtain two distance measurement values, the difference value of the two distance values is the compression amount of the contact spring, namely, the over travel, the technical problem that the peripheral space of the assembled contact spring of the existing circuit breaker is narrow and small, and the compressed distance of the contact spring of the circuit breaker can not be measured by using a conventional measuring tool is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:
fig. 1 is a schematic diagram illustrating the detection of a contact spring measuring device of a circuit breaker according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a contact spring measuring device of a circuit breaker according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a main scale of the measuring device for the contact spring of the circuit breaker according to the preferred embodiment of the present invention;
fig. 4 is a schematic structural view of a sliding ruler of the circuit breaker contact spring measuring device according to the preferred embodiment of the present invention;
fig. 5 is a top view of the sliding ruler of the measuring device for contact spring of circuit breaker according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
The circuit breaker contact spring measuring device of the preferred embodiment of the present invention, as shown in fig. 1, with reference to fig. 2-5, includes a main ruler 1 and a sliding ruler 2; the main scale 1 comprises a first ingressing arm 10; one end of the first stretching arm 10 is provided with a longitudinal ruler rod 11, and the other end is provided with a miniature laser displacement sensor 3; the upper end of the ruler rod 11 is provided with a main ruler measuring claw 110; the slide rule 2 comprises a second reach-in arm 20; one end of the second stretching arm 20 is provided with a sliding ruler measuring claw 200 opposite to the main ruler measuring claw 110, and the other end is provided with a sliding ruler target 201 opposite to the micro laser displacement sensor 3; the sliding ruler measuring claw 200 is connected with the ruler rod 11 in a longitudinal sliding mode, and the main ruler 1 is provided with an elastic part 12 for providing elastic force for the sliding ruler measuring claw 200; during detection, the first stretching arm 10 and the second stretching arm 11 stretch into the position of the contact spring 4, the second stretching arm 11 is pushed towards the direction departing from the main ruler measuring claw 110, so that the sliding ruler measuring claw 200 moves away from the main ruler measuring claw 110, the elastic part 12 is compressed, the main ruler measuring claw 110 and the sliding ruler measuring claw 200 are clamped outside the two contact spring seats 5 respectively, the second stretching arm 20 is loosened, the elastic part 12 recovers the elastic force, the sliding ruler measuring claw 200 resets and clamps tightly, two distance measurement values are obtained by irradiating the sliding ruler target through the miniature laser displacement sensor when the brake is switched on and switched off, the difference value of the two distance values is the compression amount of the contact spring, namely the over travel, and the technical problem that the peripheral space of the existing breaker contact spring after being assembled is narrow and small, and the compressed distance of the breaker contact spring cannot be measured by using a conventional measuring tool is solved.
Preferably, the elastic member 12 is a spring 12; the ruler rod 11 is provided with a spring mounting block 111; the sliding ruler measuring jaw 200 is positioned between the main ruler measuring jaw 110 and the elastic member mounting block 111; two ends of the spring 12 are respectively connected with the sliding ruler measuring claw 200 and the spring mounting block 111; the structure is simple, and the assembly is convenient; the spring is preferably a tower spring.
Preferably, the main scale measuring jaw 110 is detachably connected with the scale rod 11; the assembly is convenient, the preferred screw that adopts assembles, also can adopt other current demountable installation modes.
Preferably, the sliding ruler measuring jaw 200 is provided with a sliding hole 2000 matched with the ruler rod 11; the section of the ruler rod 11 is non-circular; the sliding stability is good, simple to operate.
Preferably, the end of the ruler rod 11 is provided with a mounting plate 112 for mounting the micro laser displacement sensor 3.
Preferably, the mounting plate 112 and the blade 11 are located on either side of the first reach arm 10; avoiding the mounting plate 112 from interfering with the stylus penetration detection.
Preferably, the micro laser displacement sensor 3 is connected with a micro laser displacement sensor controller (not shown in the figure) through a signal output line 30; the reading is convenient.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (7)
1. A measuring device for a contact spring of a circuit breaker is characterized by comprising a main ruler and a sliding ruler; the main scale comprises a first extending arm; one end of the first stretching arm is provided with a longitudinal ruler rod, and the other end of the first stretching arm is provided with a miniature laser displacement sensor; the upper end of the ruler rod is provided with a main ruler measuring claw; the sliding ruler comprises a second extending arm; one end of the second stretching arm is provided with a sliding ruler measuring claw opposite to the main ruler measuring claw, and the other end of the second stretching arm is provided with a sliding ruler target opposite to the micro laser displacement sensor; the sliding ruler measuring claw is connected with the ruler rod in a longitudinal sliding mode, and the main ruler is provided with an elastic piece which provides elastic force for the sliding ruler measuring claw.
2. The circuit breaker contact spring measurement device of claim 1, wherein the resilient member is a spring; the ruler rod is provided with a spring mounting block; the sliding ruler measuring claw is positioned between the main ruler measuring claw and the elastic part mounting block; and two ends of the spring are respectively connected with the sliding ruler measuring claw and the spring mounting block.
3. The circuit breaker contact spring measuring device of claim 1, wherein the main scale measuring jaw is removably connected to the scale bar.
4. The circuit breaker contact spring measuring device of claim 1, wherein the sliding ruler measuring jaw is provided with a sliding hole matched with the ruler rod; the cross section of the ruler rod is non-circular.
5. The circuit breaker contact spring measurement device of claim 1, wherein the end of the blade is provided with a mounting plate to which the miniature laser displacement sensor is mounted.
6. The circuit breaker contact spring measurement device of claim 5, wherein the mounting plate and the blade are located on either side of the first arm.
7. The circuit breaker contact spring measurement device of claim 1, wherein the micro laser displacement sensor is connected to a micro laser displacement sensor controller via a signal output line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940386.2U CN209945703U (en) | 2019-06-21 | 2019-06-21 | Circuit breaker contact spring measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940386.2U CN209945703U (en) | 2019-06-21 | 2019-06-21 | Circuit breaker contact spring measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209945703U true CN209945703U (en) | 2020-01-14 |
Family
ID=69135838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920940386.2U Active CN209945703U (en) | 2019-06-21 | 2019-06-21 | Circuit breaker contact spring measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209945703U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487022A (en) * | 2020-04-27 | 2020-08-04 | 阜阳市光普照明科技有限公司 | Elasticity measurement equipment and method for contact spring |
| CN113848047A (en) * | 2021-09-28 | 2021-12-28 | 江苏大烨智能电气股份有限公司 | Structure and method for directly measuring opening distance and over travel of circuit breaker |
| CN114509038A (en) * | 2022-02-18 | 2022-05-17 | 广东电网有限责任公司 | Measuring device |
| CN115356095A (en) * | 2022-08-16 | 2022-11-18 | 广西电网有限责任公司电力科学研究院 | Breaker opening and closing spring state performance evaluation method based on motion equation variance |
-
2019
- 2019-06-21 CN CN201920940386.2U patent/CN209945703U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487022A (en) * | 2020-04-27 | 2020-08-04 | 阜阳市光普照明科技有限公司 | Elasticity measurement equipment and method for contact spring |
| CN113848047A (en) * | 2021-09-28 | 2021-12-28 | 江苏大烨智能电气股份有限公司 | Structure and method for directly measuring opening distance and over travel of circuit breaker |
| CN113848047B (en) * | 2021-09-28 | 2024-05-28 | 江苏大烨智能电气股份有限公司 | Structure and method for measuring open-range over-travel of breaker through direct motion |
| CN114509038A (en) * | 2022-02-18 | 2022-05-17 | 广东电网有限责任公司 | Measuring device |
| CN114509038B (en) * | 2022-02-18 | 2024-02-13 | 广东电网有限责任公司 | Measuring device |
| CN115356095A (en) * | 2022-08-16 | 2022-11-18 | 广西电网有限责任公司电力科学研究院 | Breaker opening and closing spring state performance evaluation method based on motion equation variance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209945703U (en) | Circuit breaker contact spring measuring device | |
| CN107843820B (en) | Insulator discharge alarm device | |
| CN103149442B (en) | Automatic testing device for contact resistor made of electrical contact material | |
| AU2014359924B2 (en) | Isolator switch comprehensive tester | |
| CN201757781U (en) | Automatic electricity meter wire connection device | |
| CN101487851B (en) | Test probe apparatus | |
| CN106610326A (en) | Tulip contact pressure electronic measuring instrument | |
| CN101710010B (en) | Device for testing clamping force between moving contact and fixed contact of isolating switch | |
| CN201335849Y (en) | Test probe needle device | |
| CN203825160U (en) | Circuit breaker over travel detection device | |
| CN201628603U (en) | Clamping force testing device for moving contact and fixed contact of isolation switch | |
| CN105866579B (en) | A kind of golden finger contact resistance and plug ageing tester | |
| CN101629991A (en) | Specific tool for measuring battery | |
| CN210803604U (en) | High-voltage circuit breaker contact life evaluation device | |
| CN201489024U (en) | Tool special for measuring storage battery | |
| CN106526252B (en) | Use method of thyristor-level measuring handle device | |
| CN209894379U (en) | High-voltage switch contact pressure measuring device | |
| US20230081392A1 (en) | Intelligent power distribution device | |
| CN103983448A (en) | Mechanical property on-line detecting device | |
| CN208795793U (en) | A kind of pincerlike meter for photovoltaic plant detection | |
| CN203869859U (en) | Mechanical characteristic online detection device | |
| CN108909543B (en) | Segment insulator examines and transfers instrument | |
| CN220959972U (en) | Linear displacement sensor with overload protection | |
| CN112148138A (en) | Intelligent electronic detection pen equipment based on electromagnetic induction principle | |
| CN219284260U (en) | Wire torsion angle measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |