CN106124151A - Extra-high voltage direct current single-column composite post insulator anti-seismic test device and test method thereof - Google Patents
Extra-high voltage direct current single-column composite post insulator anti-seismic test device and test method thereof Download PDFInfo
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- CN106124151A CN106124151A CN201610556258.9A CN201610556258A CN106124151A CN 106124151 A CN106124151 A CN 106124151A CN 201610556258 A CN201610556258 A CN 201610556258A CN 106124151 A CN106124151 A CN 106124151A
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- 239000012212 insulator Substances 0.000 title claims abstract description 224
- 239000002131 composite material Substances 0.000 title claims abstract description 101
- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 238000010998 test method Methods 0.000 title claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000035939 shock Effects 0.000 claims description 53
- 229920002379 silicone rubber Polymers 0.000 claims description 37
- 239000004945 silicone rubber Substances 0.000 claims description 26
- 239000011888 foil Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 17
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 16
- 239000010931 gold Substances 0.000 claims description 16
- 229910052737 gold Inorganic materials 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims 1
- 230000001133 acceleration Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 238000003556 assay Methods 0.000 description 4
- 230000000703 anti-shock Effects 0.000 description 3
- -1 310 Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/04—Monodirectional test stands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an extra-high voltage direct current single-column composite post insulator anti-seismic test device and a test method thereof, wherein the extra-high voltage direct current single-column composite post insulator anti-seismic test device comprises a vibration table, a support installed on an installation platform of the vibration table and a single-column post insulator of which the lower end is installed on the installation platform of the support, a counterweight is arranged at the upper end of the single-column post insulator, a hardware fitting is arranged at the upper end of the counterweight, at least one accelerometer and at least one strain gauge are arranged on the installation platform of the support, at least one strain gauge and at least one displacement meter are arranged on the single-column post insulator, at least one accelerometer is arranged on the hardware fitting, and at least one displacement meter is arranged on the installation platform of the vibration table. The extra-high voltage direct current single-column composite post insulator anti-seismic test device and the test method thereof have low test cost and can effectively evaluate the anti-seismic performance of the single-column post insulator.
Description
Technical field
The present invention relates to substation equipment technical field, particularly relate to a kind of extra-high voltage direct-current single-column composite post insulator
Shock test device and test method thereof.
Background technology
Along with China's project of transmitting and converting electricity develops to high pressure, supertension and extra-high voltage direction, AC Substation and DC converter
Being equipped with substantial amounts of crucial converting equipment in standing, these crucial converting equipments are typically supported by support insulator.Tradition
, the support insulator used in transformer station mostly is ceramic material, and ceramic material is fragile material, and its elastic modelling quantity is relatively big,
But shock resistance and ductility are poor, once it is being internally formed fine crack, is being easy for causing brittle fracture to break in earthquake
Bad, in turn result in the damage of converting equipment.In recent years, composite post insulator is good because having anti-pollution characteristic, lightweight, intensity
Height, shock resistance is good, the advantage such as should not crush, and starts gradually accepted by power system and come into operation.
General, the composite post insulator for a stay tube bus is mounted in above support, by multiple composite posts
The molecular single-column support insulator that insulate needs support to be disposed thereon the weight such as the grading ring in portion and the pipe bus of both sides, by
In the support amplification to seismic wave so that the earthquake intensity that the single-column support insulator of a stay tube bus is subject to is more than reality
Earthquake intensity.For ensureing the reliability supported, need to study the anti-seismic performance of single-column support insulator, especially apply at some
During highlight lines area, need to carry out shock test, obtain the anti-seismic performance of single-column support insulator.But, existing for single-column
The research of the anti-seismic performance of support insulator is less, does not has preferably to assess the antidetonation of the anti-seismic performance of single-column support insulator
Assay device.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, it is provided that a kind of simple in construction, experimentation cost relatively low and
Can effectively assess the extra-high voltage direct-current single-column composite post of single-column composite post insulator anti-seismic performance under geological process
Insulator shock test device and test method thereof.
Its technical scheme is as follows:
A kind of extra-high voltage direct-current single-column composite post insulator shock test device, including vibration table, be arranged on described in shake
The single-column support insulator that support on the mounting platform of dynamic platform and lower end are arranged on the mounting platform of described support, described
The upper end of single-column support insulator is provided with counterweight, and the upper end of described counterweight is provided with gold utensil, on the mounting platform of described support
Being provided with at least one accelerometer and at least one displacement meter, described single-column support insulator is provided with at least one acceleration
Meter, at least one strain gauge and at least one displacement meter, described gold utensil is provided with at least one accelerometer, described vibration table
Mounting platform be provided with at least one displacement meter.
Wherein in an embodiment, described single-column support insulator includes that multiple composite post being sequentially connected with insulate
Son, described composite post insulator includes core rod of insulator and is arranged on the flange at described core rod of insulator two ends, sets edge
The axis direction of gold utensil be X to, in horizontal plane vertical X to direction be Y-direction, be vertically Z-direction, on the mounting platform of described support
It is provided with XYZ three-dimensional accelerometer, the flange of the described composite post insulator lower end of bottom and the junction of core rod of insulator
Position is provided with XY to accelerometer, and the center of gravity of described single-column support insulator is provided with XY to accelerometer, topmost described multiple
The middle part of conjunction support insulator is provided with XY and sets to accelerometer, the flange top of described composite post insulator upper end topmost
Having XYZ three-dimensional accelerometer, described gold utensil is provided with XY to accelerometer.
Wherein in an embodiment, described strain gauge includes one group of foil gauge, the described composite post insulation of bottom
The flange of sub-lower end and the junction of core rod of insulator are provided with one group of foil gauge, the described composite post insulator upper end of bottom
The junction of flange and core rod of insulator be provided with one group of foil gauge, under second described composite post insulator from bottom to up
The flange of end is provided with one group of foil gauge with the junction of core rod of insulator, the method for described composite post insulator upper end topmost
The blue junction with core rod of insulator is provided with one group of foil gauge.
Wherein in an embodiment, one group of foil gauge includes eight foil gauges, and eight foil gauges are along core rod of insulator
Circumference spaced set.
Wherein in an embodiment, the mounting platform of described vibration table is provided with X to displacement meter, the installation of described support
Platform is provided with X to displacement meter, and the flange of second described composite post insulator lower end is provided with X to displacement meter, the 3rd
The flange of described composite post insulator lower end is provided with X to displacement meter.
Wherein in an embodiment, described composite post insulator also includes the silicon rubber being set in outside core rod of insulator
Plastic boot, described silicone rubber jacket is connected with described core rod of insulator, and described silicone rubber jacket is wound around described by silicone rubber membrane
Core rod of insulator is formed, and described silicone rubber jacket is uniformly distributed on the outer wall of described core rod of insulator.
Wherein in an embodiment, described silicone rubber jacket includes protecting along the first of core rod of insulator axial direction setting
Set and the second sheath, described first sheath away between end and the flange of described core rod of insulator one end of the second sheath, institute
State between the first sheath and the second sheath, described second sheath is away from end and the described core rod of insulator other end of the first sheath
Flange between be all reserved with assemblage gap, the assemblage gap between described first sheath and the second sheath is positioned at described insulator
The middle part of plug.
Wherein in an embodiment, described single-column support insulator includes five composite post insulators.
Wherein in an embodiment, described counterweight is iron plate.
The test method of a kind of single-column composite post insulator shock test, utilizes extra-high voltage direct-current single-column described above
Composite post insulator shock test device is tested, and comprises the following steps:
Vibration table receives signal and starts vibration；
Single-column support insulator vibrates under the effect of vibration table, is positioned at extra-high voltage direct-current single-column composite post insulator and resists
Each accelerometer, strain gauge and displacement meter on shake assay device gather test data and transmit to controller；
Controller transformational analysis test data, draws the response under geological process of the single-column support insulator.
The beneficial effects of the present invention is:
Described extra-high voltage direct-current single-column composite post insulator shock test device, by single-column support insulator upper end
Counterweight is set, during actual tests, can by the quality settings of counterweight with the original grading ring in single-column support insulator top
Suitable with two side pipe bus quality, and then counterweight can the original grading ring in equivalent simulation single-column support insulator top and two
Side pipe bus, when carrying out shock test, does not interferes with the mechanical property of whole assay device, not affects shock test, nothing
Price grading ring costly and pipe bus need to be additionally set, simple in construction, experimentation cost can be reduced；Additionally, by propping up
On frame, single-column support insulator, gold utensil and vibration table, corresponding accelerometer, strain gauge and displacement meter are set, it is possible to from
Multiple angles effectively gather the response under geological process of the single-column support insulator, effectively assess the antidetonation of single-column support insulator
Performance.Described extra-high voltage direct-current single-column composite post insulator shock test apparatus structure is simple, and experimentation cost is relatively low, and can
Effectively assess the anti-seismic performance of single-column support insulator.
The test method of described single-column composite post insulator antishock device, uses extra-high voltage direct-current single-column described above
Composite post insulator shock test device carries out shock test, it is possible to effectively gathers single-column support insulator from multiple angles and exists
Response under geological process, effectively assesses the anti-seismic performance of single-column support insulator, and experimentation cost is low.
Accompanying drawing explanation
Fig. 1 is the structure of the extra-high voltage direct-current single-column composite post insulator shock test device described in the embodiment of the present invention
Schematic diagram；
Fig. 2 is the acceleration of the extra-high voltage direct-current single-column composite post insulator shock test device described in the embodiment of the present invention
Degree meter arrangement schematic diagram；
Fig. 3 is the strain of the extra-high voltage direct-current single-column composite post insulator shock test device described in the embodiment of the present invention
Meter arrangement schematic diagram；
Fig. 4 is the arrangement schematic diagram of one group of foil gauge described in the embodiment of the present invention；
Fig. 5 is the displacement of the extra-high voltage direct-current single-column composite post insulator shock test device described in the embodiment of the present invention
Meter arrangement schematic diagram；
Fig. 6 is the structural representation of the composite post insulator described in the embodiment of the present invention；
Fig. 7 is the test of the extra-high voltage direct-current single-column composite post insulator shock test device described in the embodiment of the present invention
The schematic flow sheet of method.
Description of reference numerals:
10, vibration table, 110, the mounting platform of vibration table, 20, support, 210, the mounting platform of support, 30, single-column pillar
Insulator, 310, composite post insulator, 311, core rod of insulator, 312, flange, 313, silicone rubber jacket, 3131, first protects
Set, the 3132, second sheath, 314, assemblage gap, 315, fixing steel wire, 316, fixing cushion block, 40, counterweight, 50, gold utensil.
Detailed description of the invention
Below embodiments of the invention are described in detail:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, a kind of extra-high voltage direct-current single-column composite post insulator shock test device, bag
Include vibration table 10, the support 20 being arranged on the mounting platform 110 of described vibration table 10 and lower end and be arranged on described support 20
Mounting platform 210 on single-column support insulator 30, the upper end of described single-column support insulator 30 is provided with counterweight 40, described
The upper end of counterweight 40 is provided with gold utensil 50, and the mounting platform 210 of described support 20 is provided with at least one accelerometer and extremely
A few displacement meter, described single-column support insulator 30 is provided with at least one accelerometer, at least one strain gauge and extremely
A few displacement meter, described gold utensil 50 is provided with at least one accelerometer, and the mounting platform 110 of described vibration table 10 is provided with
At least one displacement meter.Wherein, defining one end that described single-column support insulator 30 is connected with support 20 is lower end, described single-column
Support insulator 30 is upper end away from one end of support 20.In the present embodiment, described counterweight 40 is iron plate, easily manufactured, one-tenth
This is relatively low.Described support 20 can use in actual condition the support of application, the rigidity of support 20 and with single-column post insulator
The connected mode of son 30 is all identical with actual condition, and modelling effect is close with actual condition, simulates effective.Described accelerometer
Can be acceleration transducer, maybe can measure other elements, device or the equipment of acceleration；Described strain gauge can be that strain passes
Sensor, maybe can measure other elements, device or the equipment of strain；Described displacement meter can be to be positioned at sensor, maybe can measure position
Other elements, device or the equipment moved.
In earthquake, the pipe bus at single-column support insulator 30 top and grading ring not force structure, they are to single-column
The impact of the mechanical property of support insulator 30 can be reduced to lumped mass.Described extra-high voltage direct-current single-column composite post insulator
Shock test device, by arranging counterweight 40 in single-column support insulator 30 upper end, during actual tests, can be by counterweight 40
Quality settings ground is suitable with the original grading ring in single-column support insulator 30 top and two side pipe bus quality, and then counterweight 40
Can the original grading ring in equivalent simulation single-column support insulator 30 top and two side pipe buses, when carrying out shock test, will not
Affect the mechanical property of whole assay device, shock test is not affected, it is not necessary to price all pressures costly are additionally set
Ring and pipe bus, simple in construction, can reduce experimentation cost；Additionally, by support 20, single-column support insulator 30, gold utensil 50
And corresponding accelerometer, strain gauge and displacement meter are set on vibration table 10, it is possible to effectively gather single-column from multiple angles
The support insulator 30 response under geological process, effectively assesses the anti-seismic performance of single-column support insulator 30.Wherein, it is quite
Refer to identical in quality or roughly the same.Described extra-high voltage direct-current single-column composite post insulator shock test apparatus structure is simple, examination
Test cost relatively low, and can effectively assess the anti-seismic performance of single-column support insulator 30.
Concrete, described single-column support insulator 30 includes multiple composite post insulator 310 being sequentially connected with, described multiple
Close support insulator 310 include core rod of insulator 311 and be arranged on the flange 312 at described core rod of insulator 311 two ends.This reality
Executing in example, described composite post insulator 310 is five, this extra-high voltage direct-current single-column composite post insulator shock test device
Can be as the shock test device under ± 800KV extra-high voltage direct-current project of transmitting and converting electricity background.In the present embodiment, set along gold utensil 50
Axis direction be X to, in horizontal plane vertical X to direction be Y-direction, be vertically Z-direction.
As in figure 2 it is shown, the mounting platform 210 of described support 20 be provided with XYZ three-dimensional accelerometer (measuring point AX-1, AY-1,
AZ-1), the flange 312 of described composite post insulator 310 lower end of bottom is provided with the handing-over position of core rod of insulator 311
XY is provided with XY to accelerometer (measuring point to accelerometer (measuring point AX-2, AY-2), the center of gravity of described single-column support insulator 30
AX-3, AY-3), the middle part of described composite post insulator 310 topmost is provided with XY to accelerometer (measuring point AX-4, AY-
4), flange 312 top of described composite post insulator 310 upper end topmost is provided with XYZ three-dimensional accelerometer (measuring point AX-
5, AY-5, AZ-5), described gold utensil 50 is provided with XY to accelerometer (measuring point AX-6, AY-6).
In earthquake, the mounting platform 210 of support 20, the flange 312 of composite post insulator 310 upper end topmost are subject to
The impact of earthquake three-way vibration is relatively big, flange 312 and the core rod of insulator 311 of composite post insulator 310 lower end of bottom
Handing-over position, the center of gravity of single-column support insulator 30, the middle part of composite post insulator 310 topmost and gold utensil 50
Affected relatively big to vibration by earthquake XY, for easily there is the weak part damaged during earthquake, by being correspondingly arranged at above-mentioned position
XYZ three-dimensional accelerometer and XY, to accelerometer, can effectively assess the single-column support insulator 30 acceleration under geological process
Response, assesses its anti-seismic performance, and can simplify the layout of acceleration measuring point largely, uses less accelerometer just can
Effectively assess the anti-seismic performance of single-column support insulator 30.
As shown in Figure 3, Figure 4, described strain gauge includes one group of foil gauge, the described composite post insulator 310 of bottom
The flange 312 of lower end is provided with one group of foil gauge (measuring point S1-S8) with the junction of core rod of insulator 311, bottom described multiple
The junction of the flange 312 and core rod of insulator 311 that close support insulator 310 upper end is provided with one group of foil gauge (measuring point S9-
S16), the handing-over of the flange 312 of second described composite post insulator 310 lower end from bottom to up and core rod of insulator 311
Place is provided with one group of foil gauge (measuring point S17-S24), and the flange 312 of described composite post insulator 310 upper end topmost is with exhausted
The junction of edge plug 311 is provided with one group of foil gauge (measuring point S25-S32).Use above-mentioned arrangement, when detectably shaking
Easily there is the weak part damaged, simplify the layout of strain measuring point largely, on the basis of using less strain gauge, just
Can effectively assess the single-column support insulator 30 strain-responsive under geological process, assess its anti-seismic performance.In the present embodiment, one
Group foil gauge includes eight foil gauges, and eight foil gauges are along the circumferential spaced set of core rod of insulator 311.And then, it is possible to
Each orientation of composite post insulator 310 gathers strain data, and test is comprehensively, accurately.
As it is shown in figure 5, the mounting platform 110 of described vibration table 10 is provided with X to displacement meter (measuring point T-D1), described support
The mounting platform 210 of 20 is provided with X to displacement meter (measuring point D1), the flange of second described composite post insulator 310 lower end
312 are provided with X to displacement meter (measuring point D2), the flange 312 of the 3rd described composite post insulator 310 lower end be provided with X to
Displacement meter (measuring point D3).In earthquake, single-column support insulator 30 is affected relatively big by X to vibration, by using above-mentioned layout
, detectably easily there is the weak part damaged in mode, is simplifying the layout of displacement measuring points largely, using less during shake
On the basis of displacement meter, just can effectively assess the single-column support insulator 30 dynamic respond under geological process, assess its antidetonation
Performance.
In the present embodiment, as shown in Figure 6, described composite post insulator 310 also includes being set in outside core rod of insulator 311
The silicone rubber jacket 313 of side, described silicone rubber jacket 313 is connected with described core rod of insulator 311.Described silicone rubber jacket 313
Being wound around described core rod of insulator 311 by silicone rubber membrane to be formed, for multilamellar membrane structure, described silicone rubber jacket 313 is described
It is uniformly distributed on the outer wall of core rod of insulator 311.General, the core rod of insulator 311 of composite post insulator 310 and silicone rubber
Full skirt is clastotype, and core rod of insulator 311 is main bearing member, and silicon rubber umbrella skirt is accessory structure, and silicon rubber umbrella skirt exists
Not playing mechanical function in earthquake, it can be reduced to distributed mass to the impact of mechanical property.It is actually needed and a certain model is answered
When conjunction support insulator 310 carries out shock test, can be by the silicon rubber umbrella skirt quality phase with this model composite post insulator 310
When silicone rubber membrane uniform winding on the outer wall of core rod of insulator 311, make the quality of silicone rubber jacket 313 be combined with this model
Support insulator 310 original silicon rubber umbrella skirt quality is suitable, and silicone rubber jacket 313 i.e. can the insulation of equivalent simulation composite post
Son 310 original silicon rubber umbrella skirt, this composite post insulator 310 gets final product the existing composite post insulator of equivalent simulation to enter
Row shock test.Described composite post insulator 310 uses silicone rubber jacket 313 to carry out the original silicon rubber umbrella skirt of equivalent simulation,
Silicone rubber jacket 313 is identical with silicon rubber umbrella skirt material, quality suitable, and it can be considered equivalence replacement on mechanics, tries antidetonation
Test and do not affect, it is not necessary to separately manufacture be suitable to test silicon rubber umbrella skirt, described composite post insulator 310 simple in construction, can
Reduce experimentation cost further.
Described silicone rubber jacket 313 includes the first sheath 3131 and second arranged along core rod of insulator 311 axial direction
The flange of sheath 3132, described first sheath 3131 end away from the second sheath 3132 and described core rod of insulator 311 one end
Between 312, between described first sheath 3131 and the second sheath 3132, described second sheath 3132 is away from the first sheath 3131
Assemblage gap 314, described first sheath all it is reserved with between the flange 312 of end and described core rod of insulator 311 other end
3131 and second assemblage gaps 314 between sheath 3132 are positioned at the middle part of described core rod of insulator 311.By reserved clipping room
Gap 314, can be easy to the layout of above-mentioned accelerometer, strain gauge and displacement meter.With original composite post insulator 310 phase
Ratio, original structure is owing to using silicon rubber umbrella skirt so that outside core rod of insulator 311 is not exposed to, and for meeting test accuracy
Requirement, measuring point in test needs directly to contact with core rod of insulator 311, and this makes to need silicon rubber umbrella skirt weight when testing
New processing, manufacture difficulty is big, point layout difficulty is big and expensive, and the composite post insulator 310 described in the present embodiment is adopted
After said structure, simple in construction, be easy to manufacture, manufacturing cost relatively low, peace can be reserved in advance according to locating of determining
Point layout is easy in dress gap 314, is very easy to the point layout of shock test, is conducive to improving the measurement of shock test
Accuracy.
In the present embodiment, the outside of described first sheath 3131 is provided with the fixing steel wire 315 fixing himself for hoop,
The outside of described second sheath 3132 is provided with the fixing steel wire 315 fixing himself for hoop, equal at described assemblage gap 314
Being provided with longitudinally fixed assembly, described longitudinally fixed assembly is used for longitudinally fixed described first sheath 3131 and the second sheath 3132.
Described silicone rubber jacket 313 is fixed on the outer wall of core rod of insulator 311 by fixing steel wire 315 and longitudinally fixed assembly.
Fixing steel wire 315 is for fixing first sheath the 3131, second sheath 3132 on hoop direction, and longitudinally fixed assembly is for vertical
Fix first sheath the 3131, second sheath 3132 to direction, prevent the first sheath 3131 and the second sheath 3132 landing.Carry out
In shock test, described silicone rubber jacket 313 can be fixed on core rod of insulator 311, is difficult to landing, Bu Huiying
Ring result of the test.Concrete, described longitudinally fixed assembly includes that four pieces be evenly arranged along the circumference of core rod of insulator 311 are fixed
Cushion block 316 and fix the fixing steel wire 315 of described fixing cushion block 316 for hoop, fixing cushion block 316 can be at longitudinal direction
Withstand the first sheath 3131 and the second sheath 3132, and then effectively prevent the first sheath 3131 and the second sheath 3132 landing, vertical
To good fixing effect.
Extra-high voltage direct-current single-column composite post insulator shock test device described in the present embodiment, by acceleration
Meter, strain gauge and the position of displacement meter and direction are arranged and are designed, and can simplify the layout of each measuring point largely,
On the basis of using less accelerometer, strain gauge and displacement meter, during detection earthquake, easily there is the weak part damaged,
Effectively the assessment single-column support insulator 30 dynamic respond under geological process, assesses its anti-seismic performance.By to single-column pillar
Design in insulator 30 structure, simple in construction, low cost of manufacture, it is simple to point layout, it is possible to decrease experimentation cost.
As shown in Figure 1, Figure 7 shows, the test method of a kind of extra-high voltage direct-current single-column composite post insulator shock test device,
Utilize extra-high voltage direct-current single-column composite post insulator shock test device described above to test, comprise the following steps:
S100: vibration table 10 receives signal and starts vibration.Concrete, signal can be seismic wave type number, seismic input wave
Direction, acceleration peak value etc..Choosing of described seismic wave can be Yunnan ripple three-dimensional, TAFT seismic wave three-dimensional, EL-CENTRO ground
One in seismic wave three-dimensional, Artificial Seismic Wave three-dimensional, two or more, and then different earthquake environment can be simulated, the most accurately
Ground carries out antidetonation test.
S200: single-column support insulator 30 vibrates under the effect of vibration table 10, is positioned at extra-high voltage direct-current single-column composite support
Each accelerometer, strain gauge and displacement meter on post insulator shock test device gathers test data and transmits to controlling
Device；
S300: controller transformational analysis test data, draws the single-column support insulator 30 response under geological process.
The test method of the single-column composite post insulator antishock device described in the present embodiment, uses described above extra-high
Straightening stream single-column composite post insulator shock test device carries out shock test, possesses described extra-high voltage direct-current single-column composite support
The technique effect of post insulator shock test device, it is possible to effectively gather single-column support insulator 30 from multiple angles and make in earthquake
Response under with, effectively assesses the anti-seismic performance of single-column support insulator 30, and method is simple, and experimentation cost is low.
Concrete, when using above-mentioned single-column composite post insulator antishock device to carry out shock test, operating condition of test is permissible
It is designed as:
Use above-mentioned operating condition of test to carry out shock test, detect process, change ground that acceleration peak value changes from small to big successively
The input direction of seismic wave, and coordinate different types of seismic wave, the test data obtained is fully comprehensively accurately.Described in the present embodiment
Extra-high voltage direct-current single-column composite post insulator shock test device and test method, can not only obtain single-column pillar exhausted
The anti-seismic performance of edge 30, it may also be used for items such as the scientific research of anti-seismic performance of composite post insulator 310, bid and purchase
In mesh.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an extra-high voltage direct-current single-column composite post insulator shock test device, it is characterised in that include vibration table, installation
The single-column pillar that support on the mounting platform of described vibration table and lower end are arranged on the mounting platform of described support is exhausted
Edge, the upper end of described single-column support insulator is provided with counterweight, and the upper end of described counterweight is provided with gold utensil, the peace of described support
Assembling platform is provided with at least one accelerometer and at least one displacement meter, and described single-column support insulator is provided with at least one
Individual accelerometer, at least one strain gauge and at least one displacement meter, described gold utensil is provided with at least one accelerometer, institute
The mounting platform stating vibration table is provided with at least one displacement meter.
Extra-high voltage direct-current single-column composite post insulator shock test device the most according to claim 1, it is characterised in that
Described single-column support insulator includes multiple composite post insulator being sequentially connected with, and described composite post insulator includes insulation
Sub-plug and be arranged on the flange at described core rod of insulator two ends, set along the axis direction of gold utensil as X to, hang down in horizontal plane
Straight X to direction be Y-direction, be vertically Z-direction；
The mounting platform of described support is provided with XYZ three-dimensional accelerometer, the described composite post insulator lower end of bottom
The handing-over position of flange and core rod of insulator is provided with XY to accelerometer, the center of gravity of described single-column support insulator be provided with XY to
Accelerometer, the middle part of described composite post insulator topmost is provided with XY to accelerometer, described composite support topmost
The flange top of post insulator upper end is provided with XYZ three-dimensional accelerometer, and described gold utensil is provided with XY to accelerometer.
Extra-high voltage direct-current single-column composite post insulator shock test device the most according to claim 2, it is characterised in that
Described strain gauge includes one group of foil gauge, the flange of the described composite post insulator lower end of bottom and the friendship of core rod of insulator
The place of connecing is provided with one group of foil gauge, and the described flange of composite post insulator upper end of bottom sets with the junction of core rod of insulator
There are one group of foil gauge, the flange of second described composite post insulator lower end from bottom to up and the junction of core rod of insulator
Being provided with one group of foil gauge, the described flange of composite post insulator upper end topmost and the junction of core rod of insulator are provided with one
Group foil gauge.
Extra-high voltage direct-current single-column composite post insulator shock test device the most according to claim 3, it is characterised in that
One group of foil gauge includes eight foil gauges, and eight foil gauges are along the circumferential spaced set of core rod of insulator.
Extra-high voltage direct-current single-column composite post insulator shock test device the most according to claim 4, it is characterised in that
The mounting platform of described vibration table is provided with X to displacement meter, and the mounting platform of described support is provided with X to displacement meter, second
The flange of described composite post insulator lower end is provided with X to displacement meter, the method for the 3rd described composite post insulator lower end
Orchid is provided with X to displacement meter.
6. according to the extra-high voltage direct-current single-column composite post insulator shock test device described in any one of claim 2-5, its
Being characterised by, described composite post insulator also includes the silicone rubber jacket being set in outside core rod of insulator, described silicone rubber
Sheath is connected with described core rod of insulator, and described silicone rubber jacket is wound around described core rod of insulator by silicone rubber membrane and is formed, institute
State silicone rubber jacket to be uniformly distributed on the outer wall of described core rod of insulator.
Extra-high voltage direct-current single-column composite post insulator shock test device the most according to claim 6, it is characterised in that
Described silicone rubber jacket includes the first sheath and the second sheath arranged along core rod of insulator axial direction, and described first sheath is remote
Between the flange of the end of the second sheath and described core rod of insulator one end, between described first sheath and the second sheath, institute
State the second sheath and be all reserved with assemblage gap away between end and the flange of the described core rod of insulator other end of the first sheath,
Assemblage gap between described first sheath and the second sheath is positioned at the middle part of described core rod of insulator.
8. according to the extra-high voltage direct-current single-column composite post insulator shock test device described in any one of claim 2-5, its
Being characterised by, described single-column support insulator includes five composite post insulators.
9. according to the extra-high voltage direct-current single-column composite post insulator shock test device described in any one of claim 1-5, its
Being characterised by, described counterweight is iron plate.
10. the test method of a single-column composite post insulator shock test, it is characterised in that utilize claim 1-9 to appoint
One described extra-high voltage direct-current single-column composite post insulator shock test device is tested, and comprises the following steps:
Vibration table receives signal and starts vibration；
Single-column support insulator vibrates under the effect of vibration table, is positioned at the examination of extra-high voltage direct-current single-column composite post insulator antidetonation
Each accelerometer, strain gauge and displacement meter on experiment device gather test data and transmit to controller；
Controller transformational analysis test data, draws the response under geological process of the single-column support insulator.
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Effective date of registration: 20210610 Address after: 510000 3 building, 3, 4, 5 and J1 building, 11 building, No. 11, Ke Xiang Road, Luogang District Science City, Guangzhou, Guangdong. Patentee after: China South Power Grid International Co.,Ltd. Patentee after: DALI BUREAU OF ULTRA HIGH VOLTAGE TRANSMISSION COMPANY, CHINA SOUTHERN POWER GRID Co.,Ltd. Address before: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: China South Power Grid International Co.,Ltd. |
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