CN204903064U - Circuit breaker arc extinguishing unit friction force measuring device - Google Patents
Circuit breaker arc extinguishing unit friction force measuring device Download PDFInfo
- Publication number
- CN204903064U CN204903064U CN201520636043.9U CN201520636043U CN204903064U CN 204903064 U CN204903064 U CN 204903064U CN 201520636043 U CN201520636043 U CN 201520636043U CN 204903064 U CN204903064 U CN 204903064U
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- CN
- China
- Prior art keywords
- screw nut
- dynamometer
- arc extinguishing
- feed screw
- extinguishing unit
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- 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.)
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a circuit breaker arc extinguishing unit friction force measuring device, include: one lead screw (110), one screw nut (120), screw nut (120) connect soon on lead screw (110) when lead screw (110) are rotatory, screw nut (120) are in linear motion carries out on lead screw (110), one dynamometer (130), dynamometer (130) one end with the behaviour of arc extinguishing unit moves the pole and links to each other, and the other end is fixed on screw nut (120), one motor (140), motor (140) drive lead screw (110) are rotatory. The device is utilized, the frictional force condition of arc extinguishing unit can be recorded more accurately.
Description
Technical field
The utility model relates to a kind of friction measurement device, especially relates to a kind of friction measurement device of breaker arc extinguishing unit.
Background technology
Primary cut-out; also known as high-voltage switch gear; it not only can cut off or no-load current in closed high circuit and load current; and when system jam by the effect of relay protection; cut off overload electric current and short-circuit current; it has quite perfect arc extinguishing structure and enough cutout abilities; and arc extinguishing unit is wherein its core component; after high-tension circuit can being cut off the electricity supply by the insulativity that vacuum in pipe is excellent, the rapid blow-out of energy also suppresses electric current, avoids accident to occur with unexpected.
And if assemble isolating switch time lack of standardization, the friction force of arc extinguishing unit may be caused excessive, after isolating switch work runs certain hour, this kind of impact just can display, cause associated components to damage, produce security incident, so, be necessary to measure the friction force of arc extinguishing unit, to determine whether to be in normal range.
Utility model content
The utility model provides a kind of breaker arc extinguishing unit friction measurement device, comprising:
A leading screw,
A feed screw nut, described feed screw nut is screwed on described leading screw, and when described leading screw rotates, described feed screw nut carries out rectilinear motion on described leading screw;
A dynamometer, described dynamometer one end is connected with the actuating bar of described arc extinguishing unit, and the other end is fixed on described feed screw nut;
A motor, leading screw described in described driven by motor rotates.
By the cooperation by leading screw and feed screw nut, under the drive of motor, actuating bar can be pulled out evenly by dynamometer, can be recorded the size of friction force by dynamometer more exactly, conveniently judges whether to be in normal range.
Accompanying drawing explanation
Fig. 1 is the embodiment schematic diagram of a kind of breaker arc extinguishing unit friction measurement device that the utility model provides
Embodiment
In breaker arc extinguishing unit friction measurement device as shown in Figure 1, employ the leading screw 110 based on ball-screw principle design and feed screw nut 120 structure, under the drive of motor 140, leading screw 110 rotates, the feed screw nut 120 be screwed on leading screw 110 then drives the dynamometer 130 of fixed thereon, the other end of dynamometer 130 is then connected with the actuating bar 210 of arc extinguishing unit 200, like this, dynamometer 130 will pull actuating bar 210, if there is friction force in arc extinguishing unit, in the process be then pulled at actuating bar 210, dynamometer 130 will demonstrate concrete numerical value.
In this process, because feed screw nut 120 is screwed on leading screw 110, so when leading screw 110 rotates, feed screw nut 120 also can carry out rectilinear motion on leading screw 110, and, the different rotary direction of motor 140 also can drive leading screw 110 to do counterclockwise or clockwise rotation, thus can drive feed screw nut 120 to-and-fro movement, so also can be pulled out in arc extinguishing unit by actuating bar easily or advance.
Dynamometer 130 is connected with the actuating bar 210 of arc extinguishing unit 200 due to one end, the other end is fixed on feed screw nut 120, like this, dynamometer 130 just can move with feed screw nut 120, also just indirectly under the drive of motor 140, actuating bar 210 can be pulled evenly, avoid when pulling with hand or other instruments because of the uneven situation causing friction force read untrue of exerting oneself.
In order to avoid actuating bar 210 being pulled out long or pushing dark; cause damage; can also a guide rod 150 be set extraly again; feed screw nut 120 can be set on guide rod 150, arranges at least one limited block 151 or 152, like this on guide rod 150 simultaneously; when feed screw nut 120 moves to the position of limited block 151 or 152; limited block just can stop feed screw nut 120, makes it to pull out further or to push, thus protects actuating bar.
Certainly, a housing 160 is set can also to such device, leading screw 110, feed screw nut 120, dynamometer 130 and motor 140 are all placed in housing 160, thus provide certain protection for these parts, user is also more convenient in use, and is injured by leading screw or miscellaneous part without the need to worrying.
In order to control the running of motor 140 better, can at least one control knob 161 be set on housing 160, for controlling the operation of motor 140.Startup and the stopping of a button control motor 140 such as can be set, a button control rotating is set, etc.
Can also open a watch window 162 again on housing 160, cover, or directly expose this window with glass or other transparent materials, such user can by described window 162 at the outside numerical value just can observed on dynamometer 130 of housing 160.
And conveniently this device mobile, can also arrange a pair handle 163 again on housing 160.
Claims (8)
1. breaker arc extinguishing unit friction measurement device, is characterized in that, comprising:
A leading screw (110),
A feed screw nut (120), described feed screw nut (120) is screwed on described leading screw (110), when described leading screw (110) rotates, described feed screw nut (120) carries out rectilinear motion on described leading screw (110);
A dynamometer (130), described dynamometer (130) one end is connected with the actuating bar of described arc extinguishing unit, and the other end is fixed on described feed screw nut (120);
A motor (140), described motor (140) drives described leading screw (110) to rotate.
2. measurement mechanism as claimed in claim 1, it is characterized in that, described dynamometer (130) can move with described feed screw nut (120).
3. measurement mechanism as claimed in claim 1, it is characterized in that, described leading screw (110) and described feed screw nut (120) are based on ball-screw principle design.
4. measurement mechanism as claimed in claim 1, it is characterized in that, also comprise a guide rod (150), described guide rod (150) has at least one limited block (151,152), described limited block (151,152) can stop the further motion of described feed screw nut (120).
5. measurement mechanism as claimed in claim 1, it is characterized in that, also comprise a housing (160), described leading screw (110), feed screw nut (120), dynamometer (130) and motor (140) are all positioned at described housing (160).
6. measurement mechanism as claimed in claim 5, is characterized in that described housing (160) having at least one control knob (161), for controlling the operation of described motor (140).
7. measurement mechanism as claimed in claim 5, it is characterized in that, described housing (160) has a watch window (162), the numerical value of described dynamometer (130) can be observed by described window (162) in housing (160) outward.
8. measurement mechanism as claimed in claim 5, is characterized in that described housing (160) also having a pair handle (163).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636043.9U CN204903064U (en) | 2015-08-21 | 2015-08-21 | Circuit breaker arc extinguishing unit friction force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636043.9U CN204903064U (en) | 2015-08-21 | 2015-08-21 | Circuit breaker arc extinguishing unit friction force measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903064U true CN204903064U (en) | 2015-12-23 |
Family
ID=54925232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520636043.9U Ceased CN204903064U (en) | 2015-08-21 | 2015-08-21 | Circuit breaker arc extinguishing unit friction force measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204903064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799018A (en) * | 2018-12-20 | 2019-05-24 | 河南平高电气股份有限公司 | Arc-extinguishing chamber of circuit breaker friction measurement experimental rig |
-
2015
- 2015-08-21 CN CN201520636043.9U patent/CN204903064U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799018A (en) * | 2018-12-20 | 2019-05-24 | 河南平高电气股份有限公司 | Arc-extinguishing chamber of circuit breaker friction measurement experimental rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180727 Decision number of declaring invalidation: 36723 Granted publication date: 20151223 |