CN112345142B - Circuit breaker plugging force testing device and method - Google Patents
Circuit breaker plugging force testing device and method Download PDFInfo
- Publication number
- CN112345142B CN112345142B CN202011266612.7A CN202011266612A CN112345142B CN 112345142 B CN112345142 B CN 112345142B CN 202011266612 A CN202011266612 A CN 202011266612A CN 112345142 B CN112345142 B CN 112345142B
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- test
- column
- plugging
- hydraulic cylinder
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a breaker plugging force testing device and a testing method thereof, which are characterized in that: the device comprises a support frame, a test board, a test column, a mechanical sensor and a hydraulic cylinder; according to the invention, the hydraulic cylinder is arranged in the support frame, and the test column matched with the plugging end of the circuit breaker is arranged at the output end of the hydraulic cylinder to drive the test column to be matched with the plugging end of the circuit breaker; the insertion and extraction force test is carried out under the working condition of actual circuit breaker placement, so that the test accuracy is ensured, and the test error is reduced; in addition, the numerical value change curve of the mechanical sensor can be displayed in real time through the display module on the control console, and compared with an insertion and extraction force testing device which can only measure the most value, the device is better in testing effect, can know the stress condition of each stage, and is more accurate in test data.
Description
Technical Field
The invention relates to the field of circuit breaker insertion and extraction force testing, in particular to a circuit breaker insertion and extraction force testing device and a circuit breaker insertion and extraction force testing method.
Background
After the general circuit breaker is produced, the plugging port of the circuit breaker needs to be detected, and the plugging force of the port in the circuit breaker is ensured to be within a proper numerical range; therefore, the stability and reliability of the subsequent circuit breaker operation state can be ensured;
in the test of the plugging force of the circuit breaker at the present stage, the circuit breaker is generally placed on a horizontal plane, a plugging port of the circuit breaker is upward, the plugging port is driven to be downward close to enable the plugging end to be plugged into the plugging port, and the plugging port is driven to be upward far away from enable the plugging end to be plugged out of the plugging port by arranging the circuit breaker along the vertical direction; the test in the state is not the test in the actual use state, and the plugging end of the circuit breaker faces downwards in the actual use; the device for the plug-in test has poor stability and large error, and generally only can record the most value and cannot record the real-time mechanical state, so that the problem of large test error is caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a breaker insertion and extraction force testing device and a testing method, which can solve the problems that the stability of a general breaker insertion and extraction force testing device is poor, the testing state is not consistent with the actual using state, and only the maximum value can be tested, so that the testing error is large.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a circuit breaker plug power testing arrangement, its innovation point lies in: the device comprises a support frame, a test board, a test column, a mechanical sensor and a hydraulic cylinder;
the supporting frame is a cuboid frame structure formed by a plurality of stand columns in a surrounding mode, the top ends of the stand columns are connected end to end through cross beams, and a sealing plate is laid on the surface of the frame structure; two reinforcing rods which are parallel to each other are arranged between a pair of cross beams on the back surface of the sealing plate on the upper surface of the supporting frame; the bottom end of the support frame is provided with a movable roller and a supporting foot structure capable of adjusting the height from the ground; a test hole for allowing a test column to pass through is formed in the middle of the sealing plate on the upper surface of the support frame;
the test bench is arranged on the upper surface of the support frame and comprises a breaker support column and a guide plate; the four circuit breaker support columns are arranged at the four end angle positions of the upper surface of the test bench respectively; the guide plate is arranged between the two reinforcing rods and is positioned in the center of the upper surface of the support frame;
the hydraulic cylinder is arranged in the support frame, and a central shaft of the hydraulic cylinder is coaxially arranged with the guide hole on the guide plate;
the testing column is arranged in the supporting frame along the vertical direction, the bottom end of the testing column is connected to the top end of the mechanical sensor, the bottom end of the mechanical sensor is connected to the output end of the hydraulic cylinder through a connecting rod, and the stress condition of the testing column in the axis direction is detected through the mechanical sensor; the top of test post is provided with the simulation plug mouth with circuit breaker plug end complex.
Furthermore, the breaker support column is of an L-shaped structure, and the bottom end of the breaker support column is vertically connected to the upper surface of the test board; the other end of the circuit breaker support column horizontally extends to point to the center of the test bench; and a bolt hole matched with the circuit breaker is formed in the upper surface of the circuit breaker supporting column.
Furthermore, the side of support frame is provided with the control cabinet, and is provided with display module and pneumatic cylinder control module on the control cabinet.
Furthermore, two circuit breaker support columns which are diagonal to each other in the four circuit breaker support columns on the support frame are a group of circuit breaker support column units, the two groups of circuit breaker support column units are staggered in height, and a circuit breaker positioning pin is arranged on one group of circuit breaker support column units.
The utility model provides a circuit breaker plug power test method which innovation point lies in: the specific test method is as follows:
s1: selecting a testing column with a matched plugging port according to the structure of the plugging end of the tested circuit breaker, installing a mechanical sensor at the bottom end of the testing column, and connecting the testing column to the output end of a hydraulic cylinder through a connecting rod;
s2: arranging a plug-in end of the circuit breaker downwards, positioning the circuit breaker on a circuit breaker support column of the test bench through a circuit breaker positioning pin, and locking and fixing the circuit breaker on the circuit breaker support column through a bolt;
s3: the output end of the hydraulic cylinder is controlled to move along the vertical direction through the console, the hydraulic cylinder drives the test column to be close to the plugging and unplugging end of the circuit breaker along the vertical direction until the plugging and unplugging end of the circuit breaker is completely inserted into the plugging and unplugging port at the top end of the test column, and the mechanical sensor displays a mechanical curve on a display module of the console in real time to obtain the situation of the insertion force of the plugging and unplugging end of the circuit breaker; the hydraulic cylinder drives the test column to be far away from the plugging and unplugging end of the circuit breaker along the vertical direction until the plugging and unplugging end of the circuit breaker is completely pulled out of the plugging and unplugging opening at the top end of the test column, and the mechanical sensor displays a mechanical curve on a display module of the console in real time to obtain the mechanical condition of pulling out the plugging and unplugging end of the circuit breaker;
s4: and repeating the step of S3 once, comparing the data of the breaker plugging and unplugging forces of the two tests, and indicating that the test requirements are met within an error range.
The invention has the advantages that:
1) according to the invention, the hydraulic cylinder is arranged in the support frame, and the test column matched with the plugging end of the circuit breaker is arranged at the output end of the hydraulic cylinder to drive the test column to be matched with the plugging end of the circuit breaker; the plug-pull force test is carried out under the working condition of actual placement of the circuit breaker, so that the test accuracy is ensured, and the test error is reduced; in addition, the numerical value change curve of the mechanical sensor can be displayed in real time through the display module on the control console, and compared with an insertion and extraction force testing device which can only measure the most value, the device is better in testing effect, can know the stress condition of each stage, and is more accurate in test data.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a front view of a circuit breaker plugging force testing device according to the present invention.
Fig. 2 is a side view of a circuit breaker plugging force testing device according to the present invention.
Fig. 3 is a top view of a circuit breaker plugging force testing apparatus according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The device for testing the insertion and extraction force of the circuit breaker shown in fig. 1 to 3 comprises a support frame 1, a test platform 2, a test column 3, a mechanical sensor 4 and a hydraulic cylinder 5.
The supporting frame 1 is a cuboid frame structure formed by enclosing a plurality of stand columns, the top ends of the stand columns 11 are connected end to end through cross beams, and a sealing plate is laid on the surface of the frame structure; two reinforcing rods 12 which are parallel to each other are arranged between a pair of cross beams on the back surface of the sealing plate on the upper surface of the support frame 1; the bottom end of the support frame 1 is provided with a movable roller and a supporting foot structure 13 with adjustable height from the ground; the middle position of the sealing plate on the upper surface of the support frame 1 is provided with a test hole for accommodating the test column 3 to pass through.
The test bench 2 is arranged on the upper surface of the support frame 1, and the test bench 2 comprises a breaker support column 21 and a guide plate 22; the four breaker support columns 21 are respectively arranged at four end angle positions on the upper surface of the test bench 2; the guide plate 22 is provided with a guide hole, and the guide plate is arranged between the two reinforcing rods 12 and is positioned in the center of the upper surface of the support frame 1.
The hydraulic cylinder 5 is arranged in the support frame 1, and the central shaft of the hydraulic cylinder 5 is coaxially arranged with the guide hole on the guide plate 22.
The testing column 3 is arranged in the supporting frame 1 along the vertical direction, the bottom end of the testing column 3 is connected to the top end of the mechanical sensor 4, the bottom end of the mechanical sensor 4 is connected to the output end of the hydraulic cylinder 5 through a connecting rod, and the stress condition of the testing column in the axial direction is detected through the mechanical sensor 4; the top of test column 3 is provided with the simulation plug mouth with circuit breaker plug end complex.
The circuit breaker support column 21 is of an L-shaped structure, and the bottom end of the circuit breaker support column 21 is vertically connected to the upper surface of the test board 2; the other end of the breaker support column 21 extends horizontally to point to the center of the test bench; the upper surface of the breaker support column 21 is provided with a bolt hole matched with the breaker.
The side of support frame 1 is provided with control cabinet 6, and is provided with display module and pneumatic cylinder control module on control cabinet 6.
Two circuit breaker support columns that are diagonal to each other in four circuit breaker support columns 21 on support frame 1 are a set of circuit breaker support column unit, and these two sets of circuit breaker support column units are crisscross in height, and are provided with circuit breaker locating pin 14 on one of them set of circuit breaker support column unit.
A method for testing the insertion and extraction force of a circuit breaker comprises the following steps:
s1: according to the structure of the tested plug end of the circuit breaker, a test column with a plug opening is selected to be matched with the test column, a mechanical sensor is installed at the bottom end of the test column, and meanwhile the test column is connected to the output end of a hydraulic cylinder through a connecting rod.
S2: the circuit breaker plug end is arranged downwards, the circuit breaker is positioned and placed on the circuit breaker support column of the test bench through the circuit breaker positioning pin, and the circuit breaker is locked and fixed on the circuit breaker support column through the bolt.
S3: the output end of the hydraulic cylinder is controlled to move along the vertical direction through the console, the hydraulic cylinder drives the test column to be close to the plugging and unplugging end of the circuit breaker along the vertical direction until the plugging and unplugging end of the circuit breaker is completely inserted into the plugging and unplugging port at the top end of the test column, and the mechanical sensor displays a mechanical curve on a display module of the console in real time to obtain the situation of the insertion force of the plugging and unplugging end of the circuit breaker; the hydraulic cylinder drives the test column to be far away from the plug end of the circuit breaker along the vertical direction until the plug end of the circuit breaker is completely pulled out of the plug opening at the top end of the test column, and the mechanical sensor immediately displays a mechanical curve on a display module of the console to obtain the mechanical condition of pulling out the plug end of the circuit breaker.
S4: and repeating the step of S3 once, comparing the data of the breaker plugging and unplugging forces of the two tests, and indicating that the test requirements are met within an error range.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a circuit breaker plug power testing arrangement which characterized in that: the device comprises a support frame, a test board, a test column, a mechanical sensor and a hydraulic cylinder;
the supporting frame is a cuboid frame structure formed by a plurality of stand columns in a surrounding mode, the top ends of the stand columns are connected end to end through cross beams, and a sealing plate is laid on the surface of the frame structure; two reinforcing rods which are parallel to each other are arranged between a pair of cross beams on the back surface of the sealing plate on the upper surface of the supporting frame; the bottom end of the support frame is provided with a movable roller and a supporting foot structure capable of adjusting the height from the ground; a test hole for allowing a test column to pass through is formed in the middle of the sealing plate on the upper surface of the support frame;
the test bench is arranged on the upper surface of the support frame and comprises a breaker support column and a guide plate; the four circuit breaker support columns are arranged at the four end angle positions of the upper surface of the test bench respectively; the guide plate is provided with a guide hole, and the guide plate is arranged between the two reinforcing rods and is positioned in the center of the upper surface of the support frame;
the hydraulic cylinder is arranged in the support frame, and a central shaft of the hydraulic cylinder is coaxially arranged with the guide hole on the guide plate;
the testing column is arranged in the supporting frame along the vertical direction, the bottom end of the testing column is connected to the top end of the mechanical sensor, the bottom end of the mechanical sensor is connected to the output end of the hydraulic cylinder through a connecting rod, and the stress condition of the testing column in the axis direction is detected through the mechanical sensor; the top end of the test column is provided with a simulation plug port matched with the plug end of the circuit breaker;
the circuit breaker support column is of an L-shaped structure, and the bottom end of the circuit breaker support column is vertically connected to the upper surface of the test board; the other end of the breaker support column extends horizontally to point to the center of the test bench; the upper surface of the breaker support column is provided with a bolt hole matched with the breaker;
two circuit breaker support columns that each other is diagonal angle in four circuit breaker support columns on the support frame are a set of circuit breaker support column unit, and these two sets of circuit breaker support column units are crisscross in height, and are provided with the circuit breaker locating pin on one of them set of circuit breaker support column unit.
2. The circuit breaker plugging force testing device of claim 1, wherein: the side of support frame is provided with the control cabinet, and is provided with display module and pneumatic cylinder control module on the control cabinet.
3. The method for testing the circuit breaker plugging force testing device according to claim 1 or 2, characterized in that: the specific test method is as follows:
s1: selecting a testing column with a matched plugging port according to the structure of the plugging end of the tested circuit breaker, installing a mechanical sensor at the bottom end of the testing column, and connecting the testing column to the output end of a hydraulic cylinder through a connecting rod;
s2: arranging a plug-in end of the circuit breaker downwards, positioning the circuit breaker on a circuit breaker support column of the test bench through a circuit breaker positioning pin, and locking and fixing the circuit breaker on the circuit breaker support column through a bolt;
s3: the output end of the hydraulic cylinder is controlled to move along the vertical direction through the console, the hydraulic cylinder drives the test column to be close to the plugging and unplugging end of the circuit breaker along the vertical direction until the plugging and unplugging end of the circuit breaker is completely inserted into the plugging and unplugging port at the top end of the test column, and the mechanical sensor displays a mechanical curve on a display module of the console in real time to obtain the situation of the insertion force of the plugging and unplugging end of the circuit breaker; the hydraulic cylinder drives the test column to be far away from the plugging and unplugging end of the circuit breaker along the vertical direction until the plugging and unplugging end of the circuit breaker is completely pulled out of the plugging and unplugging opening at the top end of the test column, and the mechanical sensor displays a mechanical curve on a display module of the console in real time to obtain the mechanical condition of pulling out the plugging and unplugging end of the circuit breaker;
s4: and repeating the step of S3 once, comparing the data of the breaker plugging and unplugging forces of the two tests, and indicating that the test requirements are met within an error range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266612.7A CN112345142B (en) | 2020-11-13 | 2020-11-13 | Circuit breaker plugging force testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266612.7A CN112345142B (en) | 2020-11-13 | 2020-11-13 | Circuit breaker plugging force testing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112345142A CN112345142A (en) | 2021-02-09 |
| CN112345142B true CN112345142B (en) | 2022-06-07 |
Family
ID=74363520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011266612.7A Active CN112345142B (en) | 2020-11-13 | 2020-11-13 | Circuit breaker plugging force testing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112345142B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202744274U (en) * | 2012-08-30 | 2013-02-20 | 山东电力集团公司济南供电公司 | Special lifting handcart for VD4 model vacuum circuit breaker |
| CN104614165A (en) * | 2015-01-20 | 2015-05-13 | 洪雅创捷通信有限公司 | Drawing force testing device of open ceramic ring |
| CN205642694U (en) * | 2016-05-17 | 2016-10-12 | 德凯质量认证（上海）有限公司 | Charging connector's plug power testing arrangement |
| CN106556565A (en) * | 2015-09-30 | 2017-04-05 | 江苏大全凯帆电器股份有限公司 | The test fixture of contact of breaker contact engaging and separating force |
| CN206321369U (en) * | 2016-11-18 | 2017-07-11 | 浙江正泰电器股份有限公司 | The plug force checking device of breaker electrifying interface |
| CN207675423U (en) * | 2018-01-08 | 2018-07-31 | 河源普天通讯技术有限公司 | A kind of terminal contact engaging and separating force test equipment |
| CN209785852U (en) * | 2019-04-24 | 2019-12-13 | 中国神华能源股份有限公司 | Circuit breaker |
-
2020
- 2020-11-13 CN CN202011266612.7A patent/CN112345142B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202744274U (en) * | 2012-08-30 | 2013-02-20 | 山东电力集团公司济南供电公司 | Special lifting handcart for VD4 model vacuum circuit breaker |
| CN104614165A (en) * | 2015-01-20 | 2015-05-13 | 洪雅创捷通信有限公司 | Drawing force testing device of open ceramic ring |
| CN106556565A (en) * | 2015-09-30 | 2017-04-05 | 江苏大全凯帆电器股份有限公司 | The test fixture of contact of breaker contact engaging and separating force |
| CN205642694U (en) * | 2016-05-17 | 2016-10-12 | 德凯质量认证（上海）有限公司 | Charging connector's plug power testing arrangement |
| CN206321369U (en) * | 2016-11-18 | 2017-07-11 | 浙江正泰电器股份有限公司 | The plug force checking device of breaker electrifying interface |
| CN207675423U (en) * | 2018-01-08 | 2018-07-31 | 河源普天通讯技术有限公司 | A kind of terminal contact engaging and separating force test equipment |
| CN209785852U (en) * | 2019-04-24 | 2019-12-13 | 中国神华能源股份有限公司 | Circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112345142A (en) | 2021-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117092577B (en) | Multi-performance full-flow automatic test method, system and device for probe card | |
| CN112345142B (en) | Circuit breaker plugging force testing device and method | |
| CN207301113U (en) | A kind of false pressure testing jig of versatile touch screen | |
| CN211293148U (en) | PCB board jacking device and test fixture | |
| CN208704919U (en) | Temperature measurement card test fixture | |
| CN110568343A (en) | PCB board jacking device and test fixture | |
| CN108398111B (en) | Soft packet of lithium ion power battery thickness measurement equipment | |
| KR100672824B1 (en) | Integrated test cell | |
| CN211262463U (en) | Cheating detection device for weighing high-precision electronic scale | |
| CN108828491B (en) | Be applied to electric power instrument's tear wiring device open | |
| CN216075280U (en) | Simulation device for influence of foundation additional stress on superstructure | |
| CN212620576U (en) | One-stop type detection equipment for position and height of PIN PIN of connector | |
| CN212845767U (en) | Combined type fine-tuning test frame | |
| CN114216671A (en) | Mechanical life testing device with adjustable insertion angle and working method thereof | |
| CN107437358A (en) | A kind of automatic checking acceleration of gravity testing stand unrelated with mass of object | |
| CN210051655U (en) | Auxiliary device for measuring torsional stress and displacement of welding spot of circuit board | |
| CN219121627U (en) | Pneumatic measuring device of force sensor | |
| CN113686704A (en) | Multi-stress-gradient speed-adjustable drop hammer impact testing machine | |
| CN220040731U (en) | Detection equipment of switch calibration instrument | |
| CN106768619B (en) | Static balance verification platform and equipment | |
| CN216160691U (en) | Detection platform for frequency converter | |
| CN216205769U (en) | Device for measuring shrinkage rate of BMC and SMC materials | |
| CN219871494U (en) | Multi-probe measuring instrument and system | |
| CN2570870Y (en) | Motherboard testing arrangement | |
| CN216927002U (en) | Detector PCBA automatic test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |