CN112255514A - Manufacturing method of composite insulator steep wave test support - Google Patents
Manufacturing method of composite insulator steep wave test support Download PDFInfo
- Publication number
- CN112255514A CN112255514A CN202011085632.4A CN202011085632A CN112255514A CN 112255514 A CN112255514 A CN 112255514A CN 202011085632 A CN202011085632 A CN 202011085632A CN 112255514 A CN112255514 A CN 112255514A
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- insulator
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- manufacturing
- steep wave
- wave test
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- 239000012212 insulator Substances 0.000 title claims abstract description 92
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Insulators (AREA)
Abstract
The invention provides a manufacturing method of a composite insulator steep wave test bracket, which comprises a first bracket component, wherein a second bracket component is arranged on the first bracket component, the first bracket component comprises a bracket, slide rails are symmetrically arranged on two sides of the upper end of the bracket, and a plurality of slide bars are arranged on the slide rails in a sliding manner; the second support assembly comprises a support plate, the bottom end of the support plate is arranged at the upper end of the support through symmetrically arranged support rods, and a plurality of insulator ball heads are uniformly distributed on one side of the bottom end of the support plate, which is far away from the support; according to the manufacturing method of the steep wave test support for the composite insulator, when a longer insulator is tested, the slide rod arranged on the support is used for supporting the insulator, the slide rod can be adjusted according to the specific position of the insulator, and when a shorter insulator is tested, insulator bulbs of bowls on the insulator are meshed with each other to detect the insulator, so that further detection can be performed on insulators of various specifications, and the working efficiency is greatly improved.
Description
Technical Field
The invention mainly relates to the technical field of power grid equipment test detection, in particular to a manufacturing method of a composite insulator steep wave test support.
Background
The insulator is an important power device on a distribution line, has large application amount, mainly plays a role in hanging an overhead conductor on a power line, and is made of porcelain, glass, composite materials and the like, the part of the insulator, except for bearing tensile force, plays roles of insulation, pollution prevention, rain prevention and sealing, in daily operation, the insulator not only bears the rated voltage of the line throughout the year, but also bears the impact overvoltage with short time and high amplitude generated under the conditions of thunder and lightning, operation impact and the like, if the insulator is broken down due to flashover under the action of the impact voltage, the normal operation of the power line is seriously influenced, and in the processing and manufacturing process of the insulator, the insulating umbrella skirt and the outer sleeve of the insulator can be broken down under the action of the impact voltage due to the conditions that the quality is influenced by poor material, uneven thickness, bubbles, impurities and the like, therefore, before the insulator runs, a steep wave impact test is usually carried out to check the quality of the insulator, remove the insulator with problems and ensure the normal running of the power line.
When the steep wave impact test of the insulator is carried out, the steepness of the impact voltage at least reaches 1000 kV/mu s according to the standard regulation, the wave front time is generally hundreds of nanoseconds according to the difference of test equipment, the amplitude of the impact voltage is generally hundreds of kilovolts, the test specification requires that two test electrodes are added on the insulator with the length of 30cm, the longer insulator is tested in sections, and each section of the insulator is impacted by positive polarity voltage and negative polarity voltage for 25 times respectively.
Because the insulator of power line is different according to the voltage class, from 10kV to 750kV, its length is very big from several meters to several meters span, insulator steep wave test voltage amplitude is very high in addition, during the experiment, usually, the experimental wire lug connection is tried the insulator, the insulator passes through insulating material and simply supports temporarily and accomplishes the experiment, insulator length is different, the mode that supports and hang also needs to change the adjustment constantly, there is not the experimental special insulator support of insulator steep wave at present, the bearing structure of temporary adjustment has increased the experimental personnel's work load and the uncontrollable factor of test process, a high efficiency is convenient, it is very necessary to adapt to the experimental support of using of insulator steep wave of various specifications.
Disclosure of Invention
The invention mainly provides a manufacturing method of a composite insulator steep wave test bracket, which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the manufacturing method of the composite insulator steep wave test bracket comprises a first bracket component, wherein a second bracket component is arranged on the first bracket component, the first bracket component comprises a bracket, slide rails are symmetrically arranged on two sides of the upper end of the bracket, and a plurality of slide bars are slidably arranged on the slide rails; the second bracket component comprises a supporting plate, wherein the bottom end of the supporting plate is arranged at the upper end of the bracket through symmetrically arranged supporting rods, the supporting plate is outwards protruded towards the direction away from the bracket, and a plurality of insulator ball heads are uniformly distributed on one side, away from the bracket, of the bottom end of the supporting plate.
Furthermore, the support is of a square frame type hollow structure and is made of hard and tough insulating materials, and the support plays a role in insulating and supporting the ground.
Furthermore, the universal wheels are symmetrically arranged at the bottom end of the support in a surrounding mode, so that the position and the direction of the whole test support device can be conveniently moved and adjusted.
Furthermore, the slide bar is equipped with the spout near the one end of slide rail, the external diameter of slide rail is the same with the internal diameter of spout, just slide rail and spout are T shape structure, the slide bar plays the support insulator, makes the even effect of insulator atress.
Furthermore, the two sides of the upper end of the slide rail are symmetrically provided with limiting rods, and the limiting rods play a role in limiting the moving range of the slide rod on the slide rail.
Furthermore, a rubber pad is arranged at the upper end of the sliding rod, the inner diameter of the rubber pad is of an arc-shaped structure, and the rubber pad plays a role in buffering and preventing the insulator from rolling.
Furthermore, the outer diameter of the insulator ball head is the same as the inner diameter of the insulator bowl head, and the insulator ball head plays a role in fixing the insulator.
Compared with the prior art, the invention has the beneficial effects that:
this manufacturing method of composite insulator steep wave test support, when carrying out longer insulator test, the slide bar that sets up through the support is used for supporting the insulator, the slide bar can be adjusted according to the concrete position of insulator, so that make the insulator atress reasonable, insulating full skirt not receive the pressure deformation, when carrying out shorter insulator test, only need to mesh the bowl head on the insulator and the insulator bulb in the backup pad each other, make the insulator fix on the second support frame can detect the insulator, thereby further realization test support all can detect the insulator of various specifications, thereby lighten the work load of arranging test device in the test work greatly, and improve work efficiency.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a first frame assembly of the present invention;
fig. 3 is a schematic structural view of a second bracket assembly of the present invention.
In the figure: 1. a first bracket assembly; 11. a support; 12. a slide rail; 13. a slide bar; 13a, a chute; 14. a limiting rod; 15. a rubber pad; 16. a universal wheel; 2. a second bracket assembly; 21. a support bar; 22. a support plate; 23. an insulator bulb.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-3, a method for manufacturing a composite insulator steep wave test bracket includes a first bracket assembly 1, a second bracket assembly 2 is disposed on the first bracket assembly 1, the first bracket assembly 1 includes a bracket 11, slide rails 12 are symmetrically disposed on two sides of the upper end of the bracket 11, and a plurality of slide bars 13 are slidably mounted on the slide rails 12; the second bracket component 2 comprises a supporting plate 22, the bottom end of the supporting plate 22 is arranged at the upper end of the bracket 11 through supporting rods 21 which are symmetrically arranged, the supporting plate 22 protrudes outwards in the direction away from the bracket 11, and a plurality of insulator ball heads 23 are uniformly distributed on one side, away from the bracket 11, of the bottom end of the supporting plate 22.
Please refer to fig. 2 again, the bracket 11 is a square frame type hollow structure and made of hard and tough insulating material, universal wheels 16 are symmetrically arranged at the bottom end of the bracket 11, a sliding chute 13a is arranged at one end of the sliding rod 13 close to the sliding rail 12, the outer diameter of the sliding rail 12 is the same as the inner diameter of the sliding chute 13a, the sliding rail 12 and the sliding chute 13a are both in a T-shaped structure, limiting rods 14 are symmetrically arranged at two sides of the upper end of the sliding rail 12, a rubber pad 15 is arranged at the upper end of the sliding rod 13, and the inner diameter of the rubber pad 15 is in an arc-; in this embodiment, the composite insulator with high voltage class is longer, the composite insulator with 330kV is 3-4 meters long, the composite insulator with 750kV, 800kV and 1100kV voltage classes is longer, and it can not be hung for testing, so it can be tested on this bracket 11 by cross arm, the insulator with longer size needs to be tested by segments, the testing electrodes are clamped at two ends of the insulator segments with fixed length, during the test, the pressurizing wire can not move, it can push this bracket 11 to move or change direction by the rotation of the universal wheel 16 at the bottom of the bracket 11, the testing wire is connected at different segment parts of the insulator for testing, the position of the slide rod 13 on the bracket 11 is moved, it can make the insulators with different lengths stressed reasonably, and avoid pressing the rubber umbrella skirt.
Please refer to fig. 3 again, the outer diameter of the insulator ball 23 is the same as the inner diameter of the insulator bowl; in this embodiment, the insulator with a small size, for example, the insulator of 10kV, 35kV, or 110kV, can be tested by using a suspension mounting method, and during the test, air flashover occurs in the insulator portion between the pressure wire and the ground wire, so that the space created by the bracket 11 can ensure the safety of the test.
The specific operation mode of the invention is as follows:
when a short insulator is tested, the insulator bowl is meshed with the insulator ball head 23, so that the insulator is fixed on the insulator ball head 23, and then the insulator is pressurized through the pressurizing wire; when a longer insulator is tested, the insulator cross arm is placed on a rubber pad 15 at the upper end of a sliding rod 13, the distance between the sliding rod 13 and the sliding rod 13 is manually adjusted, the insulator is stressed uniformly, the insulator is connected through a pressurizing line to pressurize the insulator, and if the support 11 needs to be moved, the support 11 only needs to be manually pushed.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (7)
1. The manufacturing method of the composite insulator steep wave test support comprises a first support assembly (1), wherein a second support assembly (2) is arranged on the first support assembly (1), and is characterized in that the first support assembly (1) comprises a support (11), slide rails (12) are symmetrically arranged on two sides of the upper end of the support (11), and a plurality of slide bars (13) are slidably mounted on the slide rails (12); second bracket component (2) are including backup pad (22), backup pad (22) bottom is installed in support (11) upper end through bracing piece (21) that the symmetry set up, backup pad (22) outwards are outstanding towards the direction of keeping away from support (11), one side evenly distributed that support (11) were kept away from in backup pad (22) bottom has a plurality of insulator bulb (23).
2. The method for manufacturing the composite insulator steep wave test bracket according to claim 1, wherein the bracket (11) is of a square frame type hollow structure and is made of a hard and tough insulating material.
3. The manufacturing method of the composite insulator steep wave test bracket according to claim 2, characterized in that universal wheels (16) are symmetrically arranged at the bottom end of the bracket (11) in a surrounding manner.
4. The manufacturing method of the composite insulator steep wave test bracket according to claim 1, characterized in that a sliding groove (13a) is formed at one end of the sliding rod (13) close to the sliding rail (12), the outer diameter of the sliding rail (12) is the same as the inner diameter of the sliding groove (13a), and the sliding rail (12) and the sliding groove (13a) are both in a T-shaped structure.
5. The manufacturing method of the composite insulator steep wave test bracket according to claim 4, characterized in that limiting rods (14) are symmetrically arranged on two sides of the upper end of the slide rail (12).
6. The manufacturing method of the composite insulator steep wave test bracket according to claim 4, characterized in that a rubber pad (15) is arranged at the upper end of the sliding rod (13), and the inner diameter of the rubber pad (15) is of an arc-shaped structure.
7. The method for manufacturing the composite insulator steep wave test bracket according to claim 1, wherein the outer diameter of the insulator ball head (23) is the same as the inner diameter of the insulator bowl head.
Priority Applications (1)
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CN202011085632.4A CN112255514A (en) | 2020-10-12 | 2020-10-12 | Manufacturing method of composite insulator steep wave test support |
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CN202011085632.4A CN112255514A (en) | 2020-10-12 | 2020-10-12 | Manufacturing method of composite insulator steep wave test support |
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CN112255514A true CN112255514A (en) | 2021-01-22 |
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CN202011085632.4A Pending CN112255514A (en) | 2020-10-12 | 2020-10-12 | Manufacturing method of composite insulator steep wave test support |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114495660A (en) * | 2022-01-29 | 2022-05-13 | 电子科技大学中山学院 | Insulator installation device for high-voltage insulation experiment and key mechanism thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114495660A (en) * | 2022-01-29 | 2022-05-13 | 电子科技大学中山学院 | Insulator installation device for high-voltage insulation experiment and key mechanism thereof |
CN114495660B (en) * | 2022-01-29 | 2023-08-25 | 电子科技大学中山学院 | Insulator installation device for high-voltage insulation experiment and key mechanism thereof |
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