CN111964639A - Radial deformation measuring device of disc type suspension insulator steel foot - Google Patents
Radial deformation measuring device of disc type suspension insulator steel foot Download PDFInfo
- Publication number
- CN111964639A CN111964639A CN202010652550.7A CN202010652550A CN111964639A CN 111964639 A CN111964639 A CN 111964639A CN 202010652550 A CN202010652550 A CN 202010652550A CN 111964639 A CN111964639 A CN 111964639A
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- Prior art keywords
- radial deformation
- traction cable
- steel foot
- insulator
- measuring
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 89
- 239000010959 steel Substances 0.000 title claims abstract description 89
- 239000012212 insulator Substances 0.000 title claims abstract description 83
- 239000000725 suspension Substances 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims 4
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
Abstract
The invention provides a device for measuring radial deformation of a steel pin of a disc type suspension insulator, which comprises: a measuring unit and a control unit; a telescopic traction cable is arranged in the measuring unit, one end of the traction cable is wound on the steel foot of the insulator to be measured and fixed on one side of the steel foot of the insulator to be measured, and the traction cable is used for being tightened when the steel foot of the insulator to be measured deforms in the radial direction; the measuring unit is used for acquiring perimeter change data of the traction cable wound on the steel foot part of the insulator to be measured in real time; the control unit is electrically connected with the measuring unit and used for receiving the circumference change data of the traction cable acquired by the measuring unit and determining the radial deformation of the steel foot of the disc-shaped suspension insulator according to the circumference change data of the traction cable. According to the invention, the radial deformation of the disc-shaped suspension insulator steel foot is determined according to the perimeter change data of the traction cable, so that the accurate measurement of the radial deformation of the insulator steel foot is realized, and the efficiency and the accuracy of the radial deformation measurement of the disc-shaped suspension insulator steel foot are improved.
Description
Technical Field
The invention relates to the technical field of insulator detection, in particular to a device for measuring radial deformation of a steel pin of a disc-type suspension insulator.
Background
In the design process of the insulator, the Young modulus, the shear modulus and the Poisson ratio are very important reference bases. The poisson's ratio measurement requires that the radial deformation of the steel foot must be measured during the elastic deformation phase. Since the shape design of the disc-type suspension insulator is various, the elastic deformation of the steel leg is rapidly recovered after unloading, and the measurement of the radial deformation of the steel leg is very difficult. The strain gauge adopted for measuring Poisson's ratio strain in the traditional material test has the defects that the working procedures of polishing, cleaning, surface mounting, welding and the like are too complicated, so that the detection test strength is increased, the detection efficiency is reduced, and an accurate measurement result cannot be obtained.
Disclosure of Invention
In view of this, the invention provides a device for measuring radial deformation of a steel pin of a disc-type suspension insulator, and aims to solve the problem that the efficiency and the precision of measuring the radial deformation of the steel pin of the conventional suspension insulator are low.
The invention provides a device for measuring radial deformation of a steel pin of a disc type suspension insulator, which comprises: a measuring unit and a control unit; the measuring unit is internally provided with a telescopic traction cable, and one end of the traction cable is wound on the steel foot of the insulator to be measured and fixed on one side of the steel foot of the insulator to be measured, so as to be tightened when the steel foot of the insulator to be measured deforms in the radial direction; the measuring unit is used for acquiring perimeter change data of the traction cable wound on the steel foot part of the insulator to be measured in real time; the control unit is electrically connected with the measuring unit and used for receiving circumference change data of the traction cable acquired by the measuring unit and determining the radial deformation of the steel foot of the disc-shaped suspension insulator according to the circumference change data of the traction cable.
Further, in the radial deformation measuring device of the disc-type suspension insulator steel foot, the measuring unit includes: an encoder and a traction cable; the traction cable is arranged in the encoder, and a fixed pull head is arranged at one end of the traction cable.
Further, in the device for measuring radial deformation of the steel foot of the disc-shaped suspension insulator, the encoder, the traction cable and the fixed pull head are horizontally arranged on a mechanical insulator test platform.
Further, in the device for measuring radial deformation of the steel leg of the disc-type suspension insulator, the measuring unit is a pulse type stay wire encoder.
Further, in the device for measuring radial deformation of the steel leg of the disc-type suspension insulator, a processor is arranged in the control unit; the processor is connected with the measuring unit and used for receiving perimeter change data of the traction cable and determining the radial deformation amount of the steel foot of the insulator to be measured according to the relationship between the perimeter change data of the traction cable and the diameter change of the steel foot of the insulator to be measured.
Further, among the above-mentioned radial deformation measuring device of disc type suspension insulator steel foot, still include: and the display is connected with the control unit and used for displaying the radial deformation of the steel pin of the insulator to be tested.
Further, in the device for measuring radial deformation of the steel leg of the disc-type suspension insulator, the display is a touch display.
Further, in the radial deformation measuring device of above-mentioned disk type suspension insulator steel foot, the control unit still includes: a housing; wherein the processor is disposed within the housing and the display is disposed on an outer surface of the housing.
Further, in the radial deformation measuring device for the steel feet of the disc-type suspension insulator, a plurality of supporting feet are arranged at the bottom of the shell.
Further, in the device for measuring radial deformation of the steel pin of the disc-shaped suspension insulator, a power supply is arranged in the shell, and a power supply control switch is arranged on the surface of the shell.
According to the invention, the telescopic traction cable is arranged in the measuring unit, so that the traction cable is wound on the steel foot of the insulator to be measured, meanwhile, the other end of the traction cable is fixed on the mechanical testing platform of the insulator, and the radial deformation of the steel foot of the disc-shaped suspension insulator is determined according to the circumference variation data of the traction cable by utilizing the principle that the traction cable is tightened along with the radial direction of the steel foot, so that the accurate measurement of the radial deformation of the steel foot of the insulator is realized, the efficiency and the accuracy of the measurement of the radial deformation of the steel foot of the disc-shaped suspension insulator are improved, and the design performance of the steel foot of the insulator is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a device for measuring radial deformation of a steel leg of a disc-type suspension insulator according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, the device for measuring radial deformation of a steel leg of a disc-type suspension insulator according to the embodiment of the present invention includes: a measuring unit 1 and a control unit 2; the measuring unit 1 is internally provided with a telescopic traction cable 11, and one end of the traction cable 11 is wound on the steel foot 3 of the insulator to be measured and fixed on one side of the steel foot 3 of the insulator to be measured, so as to be contracted when the steel foot 3 of the insulator to be measured is radially deformed; the measuring unit 1 is used for acquiring perimeter change data of the part, wound on the steel foot 3 of the insulator to be measured, of the traction cable 11 in real time; the control unit 2 is electrically connected with the measuring unit 1 and used for receiving circumference change data of the traction cable 11 acquired by the measuring unit 1 and determining the radial deformation of the steel foot of the disc-shaped suspension insulator according to the circumference change data of the traction cable 11.
Specifically, the measurement unit 1 includes: an encoder 10 and a traction cable 11; the traction cable 11 is arranged in the encoder 10, and one end of the traction cable 11 is provided with a fixed pull head 12. The traction cable 11 is a steel wire rope. One end of the steel wire rope is fixed, when the insulator steel foot 3 to be detected deforms, the encoder can tighten the steel wire rope, and the length (the circumference wound on the steel foot) of the steel wire rope can be changed inevitably.
Preferably, the measuring unit 1 is a pulse type stay wire encoder. The puller of the pulse type stay wire encoder can be fixed on one side of the steel foot 3 of the insulator to be tested through the supporting piece. After the steel wire rope in the pulse type stay wire encoder is pulled out, the steel wire rope can be tightened by providing tension through a torsion spring arranged in the pulse type stay wire encoder.
The control unit 2 includes: a processor; the processor is connected with the measuring unit 1 and used for receiving perimeter change data of the traction cable 11 and determining the radial deformation amount of the steel foot 3 of the insulator to be measured according to the relationship between the perimeter change data of the traction cable 11 and the diameter change of the steel foot 3 of the insulator to be measured.
Specifically, the circumference of the traction cable 11 wound on the outer surface of the insulator steel foot 3 to be tested changes along with the deformation of the outer diameter of the insulator steel foot. The change of the perimeter of the traction rope 11 = pi · d, and the radial deformation of the insulator steel foot 3 to be measured can be calculated accordingly.
In this embodiment, the method further includes: and the display 4 is connected with the control unit 2 and is used for displaying the radial deformation of the insulator steel foot 3 to be tested. The display 4 is a touch display.
The control unit further includes: a housing 20; wherein the processor is arranged in the housing 20, and the display 4 is arranged on the outer surface of the housing 20.
The bottom of the shell 20 is provided with a plurality of supporting feet 201 to ensure the stability of the device. A power supply is arranged in the shell 20, and a power supply control switch 5 is arranged on the surface of the shell. The power supply may be a lithium ion battery to provide power to the control unit 2. Of course, the surface of the shell can also be provided with a switch for controlling the encoder to tighten the steel wire rope.
In this embodiment, the measurement unit 1 is connected to the control unit 2 through a connection line 6, so as to transmit the circumference variation data of the traction cable 11 collected in real time to the control unit 2. Of course, data can also be transmitted between the measurement unit 1 and the control unit 2 in a WIFI, bluetooth or infrared manner.
The aforesaid obviously can derive, the radial deformation measuring device of disk type suspension insulator steel foot that provides in this embodiment, through set up the telescopic pull cable in the measuring unit, in order to twine the pull cable on the insulator steel foot of being surveyed, fix the other end of pull cable on insulator mechanical test platform simultaneously, utilize the pull cable along with the steel foot takes place the principle that radially tightens up, the radial deformation volume of disk type suspension insulator steel foot is confirmed to the perimeter change data through the pull cable, the realization is to the accurate measurement of insulator steel foot receipts radial deformation, be favorable to improving the efficiency and the precision of the radial deformation measurement of disk type suspension insulator steel foot, help the promotion of insulator steel foot design performance.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a radial deformation measuring device of disk suspension insulator steel foot which characterized in that includes: a measuring unit and a control unit; wherein the content of the first and second substances,
a telescopic traction cable is arranged in the measuring unit, one end of the traction cable is wound on the steel foot of the insulator to be measured and fixed on one side of the steel foot of the insulator to be measured, and the traction cable is used for being tightened when the steel foot of the insulator to be measured deforms in the radial direction; the measuring unit is used for acquiring perimeter change data of the traction cable wound on the steel foot part of the insulator to be measured in real time;
the control unit is electrically connected with the measuring unit and used for receiving circumference change data of the traction cable acquired by the measuring unit and determining the radial deformation of the steel foot of the disc-shaped suspension insulator according to the circumference change data of the traction cable.
2. The device for measuring radial deformation of a steel foot of a disc-type suspension insulator according to claim 1, wherein the measuring unit comprises: an encoder and a traction cable; wherein the content of the first and second substances,
the traction cable is arranged in the encoder, and a fixed pull head is arranged at one end of the traction cable.
3. The device for measuring radial deformation of the steel foot of the disc-shaped suspension insulator according to claim 2, wherein the encoder, the traction cable and the fixed pull head are horizontally arranged on a mechanical insulator test platform.
4. The device for measuring radial deformation of the steel foot of the disc-type suspension insulator according to claim 1, wherein the measuring unit is a pulse type stay wire encoder.
5. The device for measuring the radial deformation of the steel foot of the disc-shaped suspension insulator according to claim 1, wherein a processor is arranged in the control unit; wherein the content of the first and second substances,
the processor is connected with the measuring unit and used for receiving perimeter change data of the traction cable and determining the radial deformation amount of the steel foot of the insulator to be measured according to the relationship between the perimeter change data of the traction cable and the diameter change of the steel foot of the insulator to be measured.
6. The device for measuring radial deformation of a steel leg of a disc-type suspension insulator according to claim 5, further comprising: and the display is connected with the control unit and used for displaying the radial deformation of the steel pin of the insulator to be tested.
7. The device for measuring radial deformation of a steel foot of a disc-type suspension insulator according to claim 6, wherein the display is a touch display.
8. The device for measuring radial deformation of a steel foot of a disc-type suspension insulator according to claim 6, wherein the control unit further comprises: a housing; wherein the content of the first and second substances,
the processor is arranged in the shell, and the display is arranged on the outer surface of the shell.
9. The device for measuring the radial deformation of the steel leg of the disc-type suspension insulator according to claim 8, wherein a plurality of supporting feet are arranged at the bottom of the shell.
10. The device for measuring radial deformation of a steel leg of a disc-type suspension insulator according to claim 8, wherein a power supply is provided in the housing, and a power supply control switch is provided on a surface of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652550.7A CN111964639A (en) | 2020-07-08 | 2020-07-08 | Radial deformation measuring device of disc type suspension insulator steel foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652550.7A CN111964639A (en) | 2020-07-08 | 2020-07-08 | Radial deformation measuring device of disc type suspension insulator steel foot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111964639A true CN111964639A (en) | 2020-11-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010652550.7A Pending CN111964639A (en) | 2020-07-08 | 2020-07-08 | Radial deformation measuring device of disc type suspension insulator steel foot |
Country Status (1)
| Country | Link |
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| CN (1) | CN111964639A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944213A (en) * | 2012-11-01 | 2013-02-27 | 徐州徐工液压件有限公司 | Radial deflection sensor of cylinder barrel |
| CN103759698A (en) * | 2014-01-16 | 2014-04-30 | 浙江大学 | System and method for fast measuring perimeter deformation quantity of horizontal type strain strengthening vessel |
| CN205642347U (en) * | 2015-11-16 | 2016-10-12 | 北京化工大学 | Vertical pressure vessel strain hardening hoop strain measurement system |
| CN106767398A (en) * | 2016-11-21 | 2017-05-31 | 国网四川省电力公司电力科学研究院 | A kind of suspension insulator comprehensive parameters detection means and detection method |
| CN107677186A (en) * | 2017-08-15 | 2018-02-09 | 国家电网公司 | A kind of measurement apparatus of large diameter pipeline |
| WO2020061878A1 (en) * | 2018-09-27 | 2020-04-02 | Tti (Macao Commercial Offshore) Limited | Electronic measuring device and method thereof |
-
2020
- 2020-07-08 CN CN202010652550.7A patent/CN111964639A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944213A (en) * | 2012-11-01 | 2013-02-27 | 徐州徐工液压件有限公司 | Radial deflection sensor of cylinder barrel |
| CN103759698A (en) * | 2014-01-16 | 2014-04-30 | 浙江大学 | System and method for fast measuring perimeter deformation quantity of horizontal type strain strengthening vessel |
| CN205642347U (en) * | 2015-11-16 | 2016-10-12 | 北京化工大学 | Vertical pressure vessel strain hardening hoop strain measurement system |
| CN106767398A (en) * | 2016-11-21 | 2017-05-31 | 国网四川省电力公司电力科学研究院 | A kind of suspension insulator comprehensive parameters detection means and detection method |
| CN107677186A (en) * | 2017-08-15 | 2018-02-09 | 国家电网公司 | A kind of measurement apparatus of large diameter pipeline |
| WO2020061878A1 (en) * | 2018-09-27 | 2020-04-02 | Tti (Macao Commercial Offshore) Limited | Electronic measuring device and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘洋等: "静态载荷下盘形悬式绝缘子形变特性研究", 《电瓷避雷器》 * |
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Application publication date: 20201120 |