CN106124151B - 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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- CN106124151B CN106124151B CN201610556258.9A CN201610556258A CN106124151B CN 106124151 B CN106124151 B CN 106124151B CN 201610556258 A CN201610556258 A CN 201610556258A CN 106124151 B CN106124151 B CN 106124151B
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- 239000002131 composite material Substances 0.000 title claims abstract description 98
- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 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 14
- 230000035939 shock Effects 0.000 claims description 51
- 229920002379 silicone rubber Polymers 0.000 claims description 37
- 239000011888 foil Substances 0.000 claims description 25
- 239000004945 silicone rubber Substances 0.000 claims description 25
- 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
- 238000000034 method Methods 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
- 238000002474 experimental method Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
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- 230000001133 acceleration Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process 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
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XWQVQSXLXAXOPJ-QNGMFEMESA-N 4-[[[6-[5-chloro-2-[[4-[[(2r)-1-methoxypropan-2-yl]amino]cyclohexyl]amino]pyridin-4-yl]pyridin-2-yl]amino]methyl]oxane-4-carbonitrile Chemical compound C1CC(N[C@H](C)COC)CCC1NC1=CC(C=2N=C(NCC3(CCOCC3)C#N)C=CC=2)=C(Cl)C=N1 XWQVQSXLXAXOPJ-QNGMFEMESA-N 0.000 description 1
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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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- 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 more particularly to a kind of extra-high voltage direct-current single-column composite post insulators
Shock test device and its test method.
Background technology
As China's project of transmitting and converting electricity develops to high pressure, super-pressure and extra-high voltage direction, AC Substation and DC converter
A large amount of crucial transformer equipment is equipped in standing, these crucial transformer equipments are generally supported by support insulator.Tradition
, the support insulator used in substation is mostly ceramic material, and ceramic material is fragile material, and elasticity modulus is larger,
But shock resistance and ductility are poor, once forming fine crack in inside, are easy for causing brittle fracture broken in earthquake
It is bad, in turn result in the damage of transformer equipment.In recent years, composite post insulator is because of good, light-weight, the intensity with anti-pollution characteristic
Height, shock resistance is good, the advantages that should not being crushed, starts gradually to be received and come into operation by electric system.
In general, the composite post insulator for being used to support pipe busbar is mounted in above holder, by multiple composite posts
The molecular single-column support insulator that insulate needs to support the weight such as the grading ring in the portion that is disposed thereon and the pipe busbar of both sides, by
In holder to the amplification of seismic wave so that the earthquake intensity that the single-column support insulator of support tube busbar is subject to is more than practical
Earthquake intensity.To ensure the reliability of support, the anti-seismic performance for studying single-column support insulator is needed, is especially applied at some
When highlight lines area, needs to carry out shock test, obtain the anti-seismic performance of single-column support insulator.But it is existing for single-column
The research of the anti-seismic performance of support insulator is less, can not assess the antidetonation of the anti-seismic performance of single-column support insulator preferably
Experimental rig.
Invention content
Based on this, the invention reside in overcoming the deficiencies of existing technologies, provide a kind of simple in structure, experimentation cost it is relatively low and
The extra-high voltage direct-current single-column composite post of anti-seismic performance of the single-column composite post insulator under geological process can effectively be assessed
Insulator shock test device and its test method.
Its technical solution is as follows：
A kind of extra-high voltage direct-current single-column composite post insulator shock test device, including shake table, shake mounted on described
Holder and lower end on the mounting platform of dynamic platform are mounted on the single-column support insulator on the mounting platform of the holder, described
The upper end of single-column support insulator is equipped with counterweight, and the upper end of the counterweight is equipped with gold utensil, on the mounting platform of the holder
Equipped at least one accelerometer and at least one displacement meter, the single-column support insulator is equipped at least one acceleration
Meter, at least one strain gauge and at least one displacement meter, the gold utensil are equipped at least one accelerometer, the shake table
Mounting platform be equipped at least one displacement meter.
The single-column support insulator includes multiple sequentially connected composite post insulation in one of the embodiments,
Son, the composite post insulator include core rod of insulator and flange at the core rod of insulator both ends are arranged, and set 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 the holder
Equipped with XYZ three-dimensional accelerometers, the flange of composite post insulator lower end and the junction of core rod of insulator described in the lowermost
Position is equipped with XY to accelerometer, and the center of gravity of the single-column support insulator is equipped with XY to accelerometer, the top it is described multiple
The middle part for closing support insulator is equipped with XY to accelerometer, and the flange top of the composite post insulator upper end of the top is set
There are XYZ three-dimensional accelerometers, the gold utensil to be equipped with XY to accelerometer.
The strain gauge includes one group of foil gauge in one of the embodiments, and composite post insulate described in the lowermost
The flange of sub- lower end and the junction of core rod of insulator are equipped with one group of foil gauge, composite post insulator upper end described in the lowermost
Flange and the junction of core rod of insulator be equipped with one group of foil gauge, under second composite post insulator from bottom to up
The flange at end and the junction of core rod of insulator are equipped with one group of foil gauge, the method for the composite post insulator upper end of the top
The blue junction with core rod of insulator is equipped with one group of foil gauge.
One group of foil gauge includes eight foil gauges in one of the embodiments, and eight foil gauges are along core rod of insulator
Circumferential spaced set.
The mounting platform of the shake table is equipped with X to displacement meter, the installation of the holder in one of the embodiments,
Platform is equipped with X to displacement meter, and the flange of second composite post insulator lower end is equipped with X to displacement meter, third
The flange of the composite post insulator lower end is equipped with X to displacement meter.
The composite post insulator further includes the silicon rubber being set on the outside of core rod of insulator in one of the embodiments,
Plastic boot, the silicone rubber jacket are connect with the core rod of insulator, described in the silicone rubber jacket is wound by silicone rubber membrane
Core rod of insulator is formed, and the silicone rubber jacket is uniformly distributed on the outer wall of the core rod of insulator.
The silicone rubber jacket includes the first shield being arranged along core rod of insulator axial direction in one of the embodiments,
Set and the second sheath, between end and the flange of described core rod of insulator one end of first sheath far from the second sheath, institute
It states between the first sheath and the second sheath, end of second sheath far from the first sheath and the core rod of insulator other end
Flange between be reserved with installation gap, the installation gap between first sheath and the second sheath is located at the insulator
The middle part of plug.
The single-column support insulator includes five composite post insulators in one of the embodiments,.
The counterweight is iron plate in one of the embodiments,.
A kind of test method 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 is included the following steps：
Shake table receives signal and starts to vibrate；
Single-column support insulator vibrates under the action of shake table, and it is anti-to be located at extra-high voltage direct-current single-column composite post insulator
Each accelerometer, strain gauge and displacement meter on shake experimental rig acquire test data and are transmitted to controller；
Controller transformational analysis test data obtains response of the single-column support insulator under geological process.
The beneficial effects of the present invention are：
The extra-high voltage direct-current single-column composite post insulator shock test device, by single-column support insulator upper end
Counterweight is set, when actual tests, can by the quality settings of counterweight with original grading ring at the top of single-column support insulator
It is suitable with two side pipe busbar quality, and then counterweight being capable of the original grading ring in equivalent simulation single-column support insulator top and two
Side pipe busbar does not interfere with the mechanical property of entire experimental rig, is not influenced on shock test, nothing when carrying out shock test
The grading ring of price costly and pipe busbar need to be additionally set, it is simple in structure, experimentation cost can be reduced；In addition, by propping up
Corresponding accelerometer, strain gauge and displacement meter, Neng Goucong are set on frame, single-column support insulator, gold utensil and shake table
Multiple angles effectively acquire response of the single-column support insulator under geological process, effectively assess the antidetonation of single-column support insulator
Performance.The extra-high voltage direct-current single-column composite post insulator shock test apparatus structure is simple, and experimentation cost is relatively low, and can
The effectively anti-seismic performance of assessment single-column support insulator.
The test method of the single-column composite post insulator antishock device, using extra-high voltage direct-current single-column described above
Composite post insulator shock test device carries out shock test, single-column support insulator can be effectively acquired from multiple angles and existed
Response under geological process, effectively assesses the anti-seismic performance of single-column support insulator, and experimentation cost is low.
Description of the drawings
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
Count 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
Count arrangement schematic diagram；
Fig. 6 is the structural schematic diagram of the composite post insulator described in the embodiment of the present invention；
Fig. 7 is the experiment of the extra-high voltage direct-current single-column composite post insulator shock test device described in the embodiment of the present invention
The flow diagram of method.
Reference sign：
10, shake table, 110, the mounting platform of shake table, 20, holder, 210, the mounting platform of holder, 30, single-column pillar
Insulator, 310, composite post insulator, 311, core rod of insulator, 312, flange, 313, silicone rubber jacket, the 3131, first shield
Set, the 3132, second sheath, 314, installation gap, 315, fixed steel wire, 316, fixed cushion block, 40, counterweight, 50, gold utensil.
Specific implementation mode
The embodiment of the present invention is described in detail below：
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, packet
It includes shake table 10, the holder 20 on the mounting platform 110 of the shake table 10 and lower end and is mounted on the holder 20
Mounting platform 210 on single-column support insulator 30, the upper end of the single-column support insulator 30 is equipped with counterweight 40, described
The upper end of counterweight 40 is equipped with gold utensil 50, and the mounting platform 210 of the holder 20 is equipped at least one accelerometer and extremely
A few displacement meter, the single-column support insulator 30 are equipped at least one accelerometer, at least one strain gauge and extremely
A few displacement meter, the gold utensil 50 are equipped at least one accelerometer, and the mounting platform 110 of the shake table 10 is equipped with
At least one displacement meter.Wherein, it is lower end, the single-column to define one end that the single-column support insulator 30 is connect with holder 20
The one end of support insulator 30 far from holder 20 is upper end.In the present embodiment, the counterweight 40 be iron plate, it is easily manufactured, at
This is relatively low.The holder 20 may be used the holder applied in actual condition, the rigidity of holder 20 and its with single-column post insulator
The connection type of son 30 is identical as actual condition, and modelling effect is close with actual condition, and simulation effect is good.The accelerometer
Can be other elements, device or the equipment of acceleration transducer or measurable acceleration；The strain gauge can be that strain passes
Sensor, or can measure other elements, device or the equipment of strain；The displacement meter can be positioned at sensor or measurable position
Other elements, device or the equipment of shifting.
In earthquake, the pipe busbar and grading ring at 30 top of single-column support insulator are not force structure, they are to single-column
The influence of the mechanical property of support insulator 30 can be reduced to lumped mass.The extra-high voltage direct-current single-column composite post insulator
Shock test device, can be by counterweight 40 when actual tests by the way that counterweight 40 is arranged in 30 upper end of single-column support insulator
Quality settings ground, and then counterweight 40 suitable with the original grading ring in the top of single-column support insulator 30 and two side pipe busbar quality
Can the original grading ring in the top of equivalent simulation single-column support insulator 30 and two side pipe busbares will not when carrying out shock test
The mechanical property for influencing entire experimental rig does not influence shock test, without the pressure of additional setting price costly
Ring and pipe busbar, it is simple in structure, experimentation cost can be reduced；In addition, by holder 20, single-column support insulator 30, gold utensil 50
And corresponding accelerometer, strain gauge and displacement meter are set on shake table 10, it can effectively acquire single-column from multiple angles
The anti-seismic performance of single-column support insulator 30 is effectively assessed in response of the support insulator 30 under geological process.Wherein, quite it is
Refer to identical in quality or roughly the same.The extra-high voltage direct-current single-column composite post insulator shock test apparatus structure is simple, examination
It tests that cost is relatively low, and can effectively assess the anti-seismic performance of single-column support insulator 30.
Specifically, the single-column support insulator 30 includes multiple sequentially connected composite post insulators 310, it is described multiple
Support insulator 310 is closed to include core rod of insulator 311 and be arranged flange 312 at 311 both ends of the core rod of insulator.This reality
It applies in example, the composite post insulator 310 is five, the extra-high voltage direct-current single-column composite post insulator shock test device
It can be used as the shock test device under ± 800KV extra-high voltage direct-current project of transmitting and converting electricity backgrounds.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 shown in Fig. 2, the mounting platform 210 of the holder 20 be equipped with XYZ three-dimensionals accelerometer (measuring point AX-1, AY-1,
AZ-1), the flange 312 of 310 lower end of composite post insulator described in the lowermost is equipped with the handing-over position of core rod of insulator 311
XY is equipped with XY to accelerometer (measuring point to accelerometer (measuring point AX-2, AY-2), the center of gravity of the single-column support insulator 30
AX-3, AY-3), the middle part of the composite post insulator 310 of the top is equipped with XY to accelerometer (measuring point AX-4, AY-
4), 312 top of flange of 310 upper end of the composite post insulator of the top is equipped with XYZ three-dimensionals accelerometer (measuring point AX-
5, AY-5, AZ-5), the gold utensil 50 is equipped with XY to accelerometer (measuring point AX-6, AY-6).
In earthquake, the mounting platform 210 of holder 20,310 upper end of composite post insulator of the top flange 312 by
Earthquake three-way vibration is affected, flange 312 and the core rod of insulator 311 of 310 lower end of the lowermost composite post insulator
Handing-over position, the center of gravity of single-column support insulator 30, the top composite post insulator 310 middle part and gold utensil 50
It is affected to vibration by earthquake XY, is the weak part easily damaged when earthquake, by being correspondingly arranged at above-mentioned position
XYZ three-dimensionals accelerometer and XY can effectively assess acceleration of the single-column support insulator 30 under geological process to accelerometer
Response, is assessed its anti-seismic performance, and can largely simplify the arrangement of acceleration measuring point, just can using less accelerometer
The effectively anti-seismic performance of assessment single-column support insulator 30.
As shown in Figure 3, Figure 4, the strain gauge includes one group of foil gauge, composite post insulator 310 described in the lowermost
The flange 312 of lower end is equipped with one group of foil gauge (measuring point S1-S8) with the junction of core rod of insulator 311, is answered described in the lowermost
The junction of the flange 312 and core rod of insulator 311 that close 310 upper end of support insulator is equipped with one group of foil gauge (measuring point S9-
S16), the handing-over of the flange 312 and core rod of insulator 311 of second 310 lower end of the composite post insulator from bottom to up
Place be equipped with one group of foil gauge (measuring point S17-S24), the flange 312 of 310 upper end of the composite post insulator of the top with absolutely
The junction of edge plug 311 is equipped with one group of foil gauge (measuring point S25-S32).Using above-mentioned arrangement, when can detect earthquake
The weak part easily damaged, in the arrangement for largely simplifying strain measuring point, on the basis of less strain gauge, just
Strain-responsive of the single-column support insulator 30 under geological process can be effectively assessed, its anti-seismic performance is assessed.In the present embodiment, one
Group foil gauge includes eight foil gauges, circumferential spaced set of eight foil gauges along core rod of insulator 311.In turn, Neng Gou
Each orientation of composite post insulator 310 acquires strain data, and experiment is comprehensively, accurately.
As shown in figure 5, the mounting platform 110 of the shake table 10 is equipped with X to displacement meter (measuring point T-D1), the holder
20 mounting platform 210 is equipped with X to displacement meter (measuring point D1), the flange of second 310 lower end of the composite post insulator
312 are equipped with X to displacement meter (measuring point D2), the flange 312 of third 310 lower end of the composite post insulator be equipped with X to
Displacement meter (measuring point D3).In earthquake, single-column support insulator 30 is affected by X to vibration, by using above-mentioned arrangement
Mode can detect the weak part easily damaged when earthquake, and in the arrangement for largely simplifying displacement measuring points, use is less
On the basis of displacement meter, dynamic respond of the single-column support insulator 30 under geological process just can be effectively assessed, its antidetonation is assessed
Performance.
In the present embodiment, as shown in fig. 6, the composite post insulator 310 further includes being set in outside core rod of insulator 311
The silicone rubber jacket 313 of side, the silicone rubber jacket 313 are connect with the core rod of insulator 311.The silicone rubber jacket 313
The core rod of insulator 311 is wound by silicone rubber membrane to be formed, and is multilayer membrane structure, the silicone rubber jacket 313 is described
It is uniformly distributed on the outer wall of core rod of insulator 311.In general, the core rod of insulator 311 and silicon rubber of composite post insulator 310
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
Mechanical function is not played in earthquake, the influence to mechanical property can be reduced to distributed mass.Actual needs answers a certain model
It, can be by the silicon rubber umbrella skirt quality phase with the model composite post insulator 310 when closing the progress shock test of support insulator 310
When silicone rubber membrane uniform winding on the outer wall of core rod of insulator 311, keep the quality of silicone rubber jacket 313 and the model compound
310 original silicon rubber umbrella skirt quality of support insulator is suitable, and silicone rubber jacket 313 can the insulation of equivalent simulation composite post
Sub 310 original silicon rubber umbrella skirts, the composite post insulator 310 can the existing composite post insulator of equivalent simulation with into
Row shock test.The composite post insulator 310 using silicone rubber jacket 313 come the original silicon rubber umbrella skirt of equivalent simulation,
Silicone rubber jacket 313 is suitable with silicon rubber umbrella skirt material identical, quality, and equivalent replacement is can be considered on mechanics, tries antidetonation
Testing does not influence, and it is not necessary that the silicon rubber umbrella skirt for being suitable for experiment is separately manufactured, the composite post insulator 310 is simple in structure, can
Further decrease experimentation cost.
The silicone rubber jacket 313 includes the first sheath 3131 and second being arranged along 311 axial direction of core rod of insulator
Sheath 3132, the flange of first sheath 3131 end far from the second sheath 3132 and 311 one end of the core rod of insulator
Between 312, between first sheath, 3131 and second sheath 3132, second sheath 3132 is far from the first sheath 3131
Installation gap 314, first sheath are reserved between the flange 312 of 311 other end of end and the core rod of insulator
3131 and the second installation gap 314 between sheath 3132 be located at the middle part of the core rod of insulator 311.By reserving clipping room
Gap 314 can be convenient for the arrangement of above-mentioned accelerometer, strain gauge and displacement meter.With 310 phase of original composite post insulator
Than original structure is due to using silicon rubber umbrella skirt so that outside core rod of insulator 311 is not exposed to, and be to meet test accuracy
Requirement, in experiment measuring point needs directly contacted with core rod of insulator 311, this make experiment when need to silicon rubber umbrella skirt weight
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
It is simple in structure, relatively low convenient for manufacture, manufacturing cost after above structure, it can be located according to what is determined, reserve peace in advance
It fills gap 314 and is convenient for point layout, greatly facilitate the point layout of shock test, be conducive to the measurement for improving shock test
Accuracy.
In the present embodiment, the outside of first sheath 3131 is equipped with fixes the fixation steel wire 315 of its own for circumferential direction,
The outside of second sheath 3132 is equipped with fixes the fixation steel wire 315 of its own for circumferential direction, equal at the installation gap 314
Equipped with longitudinally fixed component, the longitudinally fixed component is used for longitudinally fixed first sheath, 3131 and second sheath 3132.
The silicone rubber jacket 313 is fixed on by fixed steel wire 315 and longitudinally fixed component on the outer wall of core rod of insulator 311.
Fixed steel wire 315 is used for for fixing the first sheath 3131, the second sheath 3132, longitudinally fixed component on circumferential direction vertical
The first sheath 3131, the second sheath 3132 are fixed to direction, prevents the first sheath 3131 and the second sheath 3132 from sliding.Carry out
In shock test, the silicone rubber jacket 313 can be fixed on core rod of insulator 311, be not easy to slide, Bu Huiying
Ring test result.Specifically, the longitudinally fixed component includes four be arranged circumferentially piece fixation along core rod of insulator 311
Cushion block 316 and the fixation steel wire 315 that the fixed cushion block 316 is fixed for circumferential direction, fixed cushion block 316 can be in longitudinal direction
The first sheath 3131 and the second sheath 3132 are withstood, and then the first sheath 3131 and the second sheath 3132 is effectively prevent to slide, is indulged
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, the position of strain gauge and displacement meter and direction arrangement are designed, and can largely simplify the arrangement of each measuring point,
On the basis of using less accelerometer, strain gauge and displacement meter, the weak part easily damaged when earthquake is detected,
Effectively dynamic respond of the assessment single-column support insulator 30 under geological process, assesses its anti-seismic performance.By to single-column pillar
Design in 30 structure of insulator, it is simple in structure, manufacturing cost is low, it is convenient for point layout, experimentation cost can be reduced.
As shown in Figure 1, Figure 7 shows, a kind of test method of extra-high voltage direct-current single-column composite post insulator shock test device,
It is tested, is included the following steps using extra-high voltage direct-current single-column composite post insulator shock test device described above：
S100：Shake table 10 receives signal and starts to vibrate.Specifically, signal can be seismic wave type number, seismic input wave
Direction, acceleration peak value etc..The selection of the seismic wave can be Yunnan wave three-dimensional, TAFT seismic waves three-dimensionals, EL-CENTRO
Seismic wave three-dimensional, one kind in Artificial Seismic Wave three-dimensional, two or more, and then different earthquake environment can be simulated, it is comprehensively accurate
Ground carries out antidetonation test.
S200：Single-column support insulator 30 vibrates under the action of shake table 10, is located at extra-high voltage direct-current single-column composite support
Each accelerometer, strain gauge and displacement meter on column insulator shock test device acquire test data and are transmitted to control
Device；
S300：Controller transformational analysis test data obtains response of the single-column support insulator 30 under geological process.
The test method of single-column composite post insulator antishock device described in the present embodiment, using described above extra-high
Straightening stream single-column composite post insulator shock test device carries out shock test, has the extra-high voltage direct-current single-column composite support
The technique effect of column insulator shock test device can effectively acquire single-column support insulator 30 from multiple angles and make in earthquake
The anti-seismic performance of single-column support insulator 30 is effectively assessed in response under, and method is simple, and experimentation cost is low.
Specifically, when carrying out shock test using above-mentioned single-column composite post insulator antishock device, operating condition of test can be with
It is designed as：
Shock test is carried out using above-mentioned operating condition of test, detects 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, obtained test data is fully comprehensively accurate.Described in the present embodiment
Extra-high voltage direct-current single-column composite post insulator shock test device and its test method, it is exhausted to can not only obtain single-column pillar
The anti-seismic performance of edge 30, it may also be used for items such as scientific research, the bid and purchase of the anti-seismic performance of composite post insulator 310
In mesh.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of extra-high voltage direct-current single-column composite post insulator shock test device, which is characterized in that including shake table, installation
The single-column pillar that holder and lower end on the mounting platform of the shake table are mounted on the mounting platform of the holder is exhausted
The upper end of edge, the single-column support insulator is equipped with counterweight, and the upper end of the counterweight is equipped with gold utensil, the peace of the holder
Assembling platform is equipped at least one accelerometer and at least one displacement meter, and the single-column support insulator is equipped at least one
A accelerometer, at least one strain gauge and at least one displacement meter, the gold utensil are equipped at least one accelerometer, institute
The mounting platform for stating shake table is equipped at least one displacement meter；
The single-column support insulator includes multiple sequentially connected composite post insulators, and the composite post insulator includes
Core rod of insulator and flange at the core rod of insulator both ends is set, the composite post insulator further includes being set in absolutely
The silicone rubber jacket of edge outside plug, the silicone rubber jacket are connect with the core rod of insulator, and the silicone rubber jacket is logical
It crosses the silicone rubber membrane winding core rod of insulator to be formed, the silicone rubber jacket uniformly divides on the outer wall of the core rod of insulator
Cloth, the silicone rubber jacket include the first sheath and the second sheath being arranged along core rod of insulator axial direction, first shield
Between end and the flange of described core rod of insulator one end of the set far from the second sheath, first sheath and the second sheath it
Between, second sheath be reserved with installation between end and the flange of the core rod of insulator other end far from the first sheath
Gap, the installation gap between first sheath and the second sheath are located at the middle part of the core rod of insulator.
2. extra-high voltage direct-current single-column composite post insulator shock test device according to claim 1, which is characterized in that
Set axis direction along gold utensil as X to, in horizontal plane vertical X to direction be Y-direction, be vertically Z-direction；
The mounting platform of the holder is equipped with XYZ three-dimensional accelerometers, composite post insulator lower end described in the lowermost
The handing-over position of flange and core rod of insulator is equipped with XY to accelerometer, the center of gravity of the single-column support insulator be equipped with XY to
The middle part of accelerometer, the composite post insulator of the top is equipped with XY to accelerometer, the composite support of the top
XYZ three-dimensional accelerometers are equipped at the top of the flange of column insulator upper end, the gold utensil is equipped with XY to accelerometer.
3. extra-high voltage direct-current single-column composite post insulator shock test device according to claim 2, which is characterized in that
The strain gauge includes one group of foil gauge, the friendship of the flange and core rod of insulator of composite post insulator lower end described in the lowermost
It connects and locates to be equipped with one group of foil gauge, the flange of composite post insulator upper end and the junction of core rod of insulator described in the lowermost are set
There is one group of foil gauge, the junction of the flange and core rod of insulator of second composite post insulator lower end from bottom to up
Equipped with one group of foil gauge, the flange of the composite post insulator upper end of the top and the junction of core rod of insulator are equipped with one
Group foil gauge.
4. extra-high voltage direct-current single-column composite post insulator shock test device according to claim 3, which is characterized in that
One group of foil gauge includes eight foil gauges, circumferential spaced set of eight foil gauges along core rod of insulator.
5. extra-high voltage direct-current single-column composite post insulator shock test device according to claim 4, which is characterized in that
The mounting platform of the shake table is equipped with X to displacement meter, and the mounting platform of the holder is equipped with X to displacement meter, from down toward
On the flange of second composite post insulator lower end be equipped with X to displacement meter, third from bottom to up is described multiple
The flange for closing support insulator lower end is equipped with X to displacement meter.
6. according to claim 1-5 any one of them extra-high voltage direct-current single-column composite post insulator shock test devices,
It is characterized in that, the single-column support insulator includes five composite post insulators.
7. according to claim 1-5 any one of them extra-high voltage direct-current single-column composite post insulator shock test devices,
It is characterized in that, the counterweight is iron plate.
8. a kind of test method of single-column composite post insulator shock test, which is characterized in that any using claim 1-7
Extra-high voltage direct-current single-column composite post insulator shock test device described in is tested, and is included the following steps：
Shake table receives signal and starts to vibrate；
Single-column support insulator vibrates under the action of shake table, is located at extra-high voltage direct-current single-column composite post insulator antidetonation and tries
Each accelerometer, strain gauge and displacement meter on experiment device acquire test data and are transmitted to controller；
Controller transformational analysis test data obtains response of the single-column support insulator under geological process.
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| CN201610556258.9A CN106124151B (en) | 2016-07-12 | 2016-07-12 | Extra-high voltage direct current single-column composite post insulator anti-seismic test device and test method thereof |
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| CN201610556258.9A CN106124151B (en) | 2016-07-12 | 2016-07-12 | Extra-high voltage direct current single-column composite post insulator anti-seismic test device and test method thereof |
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| CN110110350B (en) * | 2019-03-19 | 2022-11-15 | 中国南方电网有限责任公司超高压输电公司 | Composite post insulator shock resistance assessment method |
| CN110793762A (en) * | 2019-10-31 | 2020-02-14 | 南方电网科学研究院有限责任公司 | Bending resistance test system for single-column leg of three-column insulator of GIL equipment |
| CN110793763A (en) * | 2019-10-31 | 2020-02-14 | 南方电网科学研究院有限责任公司 | GIL equipment three-post insulator leg insert bonding strength test system |
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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. |