CN106052997B - Extra-high voltage direct-current twin columns couple composite post insulator shock test device and its test method - Google Patents
Extra-high voltage direct-current twin columns couple composite post insulator shock test device and its test method Download PDFInfo
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- CN106052997B CN106052997B CN201610553596.7A CN201610553596A CN106052997B CN 106052997 B CN106052997 B CN 106052997B CN 201610553596 A CN201610553596 A CN 201610553596A CN 106052997 B CN106052997 B CN 106052997B
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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
- G01M7/025—Measuring arrangements
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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
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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Abstract
The invention discloses a kind of extra-high voltage direct-current twin columns to couple composite post insulator shock test device and its test method, it includes inside tube busbar that the extra-high voltage direct-current twin columns, which couple composite post insulator shock test device, the both ends of the inside tube busbar are equipped with single-column test mechanism, the single-column test mechanism includes shake table, holder and lower end on the mounting platform of the shake table are mounted on the single-column support insulator on the mounting platform of the holder, the upper end of the single-column support insulator is equipped with counterweight, the upper end of the counterweight is equipped with the gold utensil being connect with the corresponding end of inside tube busbar, the single-column support insulator is equipped at least one accelerometer, at least one strain gauge and at least one displacement meter.The extra-high voltage direct-current twin columns couple composite post insulator shock test device and its test method, and experimentation cost is relatively low, can effectively assess the anti-seismic performance of the single-column support insulator under twin columns couple.
Description
Technical field
The present invention relates to substation equipment technical field more particularly to a kind of extra-high voltage direct-current twin columns, to couple composite post exhausted
Edge 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, need to study multiple single-column support insulators and resisting under pipe busbar couple system
Shock stability is especially applied at some highlight lines areas, is needed to carry out shock test, is obtained the antidetonation of single-column support insulator
Performance.But the existing shock test research for multiple single-column support insulators and pipe busbar couple system is less, without energy
The shock test device of the anti-seismic performance of enough preferably assessment single-column support insulators.
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
Can effectively assess anti-seismic performance of the single-column composite post insulator under geological process extra-high voltage direct-current twin columns couple it is compound
Support insulator shock test device and its test method.
Its technical solution is as follows：
A kind of extra-high voltage direct-current twin columns couple composite post insulator shock test device, including inside tube busbar, described
The both ends of inside tube busbar are equipped with single-column test mechanism, and the single-column test mechanism includes shake table, is mounted on the vibration
Holder and lower end on the mounting platform of platform are mounted on the single-column support insulator on the mounting platform of the holder, the list
The upper end of column insulator is equipped with counterweight, and the upper end of the counterweight is equipped with the gold being connect with the corresponding end of inside tube busbar
The mounting platform of tool, the holder is equipped at least one accelerometer and at least one displacement meter, and the single-column pillar is exhausted
Edge is equipped at least one accelerometer, at least one strain gauge and at least one displacement meter, and the gold utensil is equipped with extremely
The mounting platform of a few accelerometer, the shake table is equipped at least one displacement meter, and the inside tube busbar is equipped with
At least one accelerometer and at least one strain gauge.
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 inside tube busbar be 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, under composite post insulator described in the lowermost
The flange at end and the handing-over position of core rod of insulator are equipped with XY to accelerometer, and the center of gravity of the single-column support insulator is equipped with
For XY to accelerometer, the middle part of the composite post insulator of the top is equipped with XY to accelerometer, the top it is described multiple
It closes and is equipped with XYZ three-dimensional accelerometers at the top of the flange of support insulator upper end, the gold utensil is equipped with XY to accelerometer, described
Inside tube busbar is equipped with XYZ three-dimensional accelerometers along the middle part of its axis direction, and the both sides along the middle part of its axis direction are all provided with
There is YZ 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, and the inside tube busbar is along the middle part of its axis direction and middle part
Both sides are equipped with one group of foil gauge.
The inside tube busbar is the inside tube along the both sides at the middle part of its axis direction in one of the embodiments,
Busbar in the axial direction 1/4 at and 3/4 at.
It includes eight strains that one group of foil gauge on the composite post insulator is arranged in one of the embodiments,
Piece, eight foil gauges are along the circumferential spaced set of core rod of insulator, one group of foil gauge being arranged on the inside tube busbar
Including four foil gauges, circumferential spaced set of four foil gauges along inside tube busbar.
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 every single-column support insulator includes five composite post insulators in one of the embodiments, described
Counterweight is iron plate.
A kind of method that extra-high voltage direct-current twin columns couple composite post insulator shock test device, using described above
Extra-high voltage direct-current twin columns couple composite post insulator shock test device and are tested, and include the following steps：
Shake table receives signal and starts to vibrate；
Single-column support insulator and inside tube busbar vibrate under the action of shake table, are located at extra-high voltage direct-current twin columns coupling
Each accelerometer, strain gauge and displacement meter on connection composite post insulator shock test device acquire test data and pass
Transport 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 twin columns couple composite post insulator shock test device, using inside tube busbar and set
Set the single-column test mechanism at its both ends and form twin columns couple system, by twin columns couple system can in equivalent simulation substation it is more
The system that a single-column support insulator is coupled with pipe busbar, modelling effect are close with actual condition；In each single-column test mechanism
In, it, can by the quality settings of counterweight and single-column when actual tests by the way that counterweight is arranged in single-column support insulator upper end
Original grading ring and outboard tube busbar quality are suitable at the top of support insulator, and then counterweight being capable of equivalent simulation single-column pillar
Original grading ring and outboard tube busbar do not interfere with the mechanics of entire experimental rig when carrying out shock test at the top of insulator
Performance does not influence shock test, and the grading ring of price costly and outboard tube busbar, structure letter is arranged without additional
List, manufacturing cost are relatively low.In addition, by being set on holder, single-column support insulator, gold utensil, shake table and inside tube busbar
Corresponding accelerometer, strain gauge and displacement meter are set, single column under twin columns couple system can be effectively acquired from multiple angles
Response of the insulator under geological process, effectively assesses its anti-seismic performance.It is exhausted that the extra-high voltage direct-current twin columns couple composite post
Edge shock test apparatus structure is simple, and experimentation cost is relatively low, can effectively assess the single-column support insulator under twin columns couple
Anti-seismic performance.
The extra-high voltage direct-current twin columns couple the test method of composite post insulator shock test device, using above-mentioned institute
The extra-high voltage direct-current twin columns stated couple composite post insulator shock test device and carry out shock test, can have from multiple angles
Effect acquisition twin columns couple response of the lower single column insulator under geological process, effectively assess the antidetonation of single-column support insulator
Performance, experimentation cost are low.
Description of the drawings
Fig. 1 is that the extra-high voltage direct-current twin columns described in the embodiment of the present invention couple composite post insulator shock test device
Structural schematic diagram；
Fig. 2 is that the extra-high voltage direct-current twin columns described in the embodiment of the present invention couple composite post insulator shock test device
The accelerometer arrangement schematic diagram of one single-column test mechanism；
Fig. 3 is that the extra-high voltage direct-current twin columns described in the embodiment of the present invention couple composite post insulator shock test device
The arrangement schematic diagram of the accelerometer of another single-column test mechanism；
Fig. 4 is the accelerometer arrangement schematic diagram of the inside tube busbar described in the embodiment of the present invention；
Fig. 5 is that the extra-high voltage direct-current twin columns described in the embodiment of the present invention couple composite post insulator shock test device
The strain gauge arrangement schematic diagram of one single-column test mechanism；
Fig. 6 is that the extra-high voltage direct-current twin columns described in the embodiment of the present invention couple composite post insulator shock test device
The strain gauge arrangement schematic diagram of another single-column test mechanism；
Fig. 7 is the strain gauge arrangement schematic diagram of the inside tube busbar described in the embodiment of the present invention；
Fig. 8 is the arrangement schematic diagram of one group of foil gauge on the composite post insulator described in the embodiment of the present invention；
Fig. 9 is the arrangement schematic diagram of one group of foil gauge on the outboard tube busbar described in the embodiment of the present invention；
Figure 10 is that the extra-high voltage direct-current twin columns described in the embodiment of the present invention couple composite post insulator shock test device
A single-column test mechanism displacement meter arrangement schematic diagram；
Figure 11 is that the extra-high voltage direct-current twin columns described in the embodiment of the present invention couple composite post insulator shock test device
Another single-column test mechanism displacement meter arrangement schematic diagram；
Figure 12 is the structural schematic diagram of the composite post insulator described in the embodiment of the present invention；
Figure 13 is that the extra-high voltage direct-current twin columns described in the embodiment of the present invention couple composite post insulator shock test device
Test method flow diagram.
Reference sign：
10, inside tube busbar, 20, single-column test mechanism, 210, shake table, 212, the mounting platform of shake table, 220, branch
Frame, 222, the mounting platform of holder, 230, single-column support insulator, 232, composite post insulator, 2321, core rod of insulator,
2322, flange, 2323, silicone rubber jacket, 2323a, the first sheath, 2323b, the second sheath, 2324, installation gap, 2325, solid
Determine steel wire, 2326, fixed cushion block, 240, counterweight, 250, gold utensil.
Specific implementation mode
The embodiment of the present invention is described in detail below：
As shown in figs. 1-12, a kind of extra-high voltage direct-current twin columns couple composite post insulator shock test device, including interior
The both ends of side pipe busbar 10, the inside tube busbar 10 are equipped with single-column test mechanism 20, and the single-column test mechanism 20 includes
Shake table 210, the holder 220 on the mounting platform 212 of the shake table 210 and lower end are mounted on the holder
The upper end of single-column support insulator 230 on 220 mounting platform 222, the single-column support insulator 230 is equipped with counterweight
240, the upper end of the counterweight 240 is equipped with the gold utensil 250 being connect with the corresponding end of inside tube busbar 10, the holder 220
Mounting platform 222 is equipped at least one accelerometer and at least one displacement meter, is set on the single-column support insulator 230
There are at least one accelerometer, at least one strain gauge and at least one displacement meter, the gold utensil 250 to be equipped at least one
The mounting platform of accelerometer, the shake table 210 is equipped at least one displacement meter, and the inside tube busbar 10 is equipped with extremely
A few accelerometer and at least one strain gauge.Wherein, the single-column support insulator 230 is defined to connect with holder 220
One end be lower end, the described one end of single-column support insulator 230 far from holder 220 be upper end.
In the present embodiment, the counterweight 240 is iron plate, easily manufactured, cost is relatively low.The holder 220 may be used
The holder applied in actual condition, the rigidity of holder 220 and its with the connection type of single-column support insulator 230 with practical work
Condition is identical, and modelling effect is close with actual condition, and simulation effect is good.The accelerometer can be acceleration transducer, or can
Measure other elements, device or the equipment of acceleration；The strain gauge can be strain transducer, or can measure other strained
Element, device or equipment；The displacement meter can be positioned at the sensor or other elements of measurable displacement, device or equipment.
In earthquake, the grading ring and two side pipe busbares at 230 top of single-column support insulator are to single-column support insulator 230
Mechanical function is not played, lumped mass can be reduced to the Effect on Mechanical Properties of single-column support insulator 230.The extra-high straightening
Stream twin columns couple composite post insulator shock test device, are tried using inside tube busbar 10 and the single-column being arranged at its both ends
It tests mechanism 20 and forms twin columns couple system, it can multiple single-column support insulators in equivalent simulation substation by twin columns couple system
230 systems coupled with pipe busbar, modelling effect are close with actual condition；In the twin columns couple system, due in being arranged
Side pipe busbar 10, when actual tests, can by the quality settings of the counterweight 240 of each 230 upper end of single-column support insulator with
The original grading ring in 230 top of single-column support insulator and outboard tube busbar quality are suitable, and then counterweight 240 being capable of equivalent mould
The original grading ring in 230 top of quasi-simple column insulator and outboard tube busbar do not interfere with entire examination when carrying out shock test
The structural mechanical property of experiment device does not have any influence, and the pressure without additional setting price costly to shock test
Ring and outboard tube busbar, it is simple in structure, manufacturing cost is relatively low.In addition, by holder 220, single-column support insulator 230, gold
Corresponding accelerometer, strain gauge and displacement meter are set on tool 250, shake table 210 and inside tube busbar 10, it can be from multiple
Angle effectively acquires response of single column insulator 230 under geological process under twin columns couple system, effectively assesses its antidetonation
Performance.The extra-high voltage direct-current twin columns couple that composite post insulator shock test apparatus structure is simple, and experimentation cost is relatively low, energy
Enough anti-seismic performances for effectively assessing the single-column support insulator 230 under twin columns couple.
Specifically, the single-column support insulator 230 includes multiple sequentially connected composite post insulators 232, it is described
Composite post insulator 232 includes core rod of insulator 2321 and is arranged flange at 2321 both ends of the core rod of insulator
2322.In the present embodiment, the every single-column support insulator 230 includes five composite post insulators 232, the extra-high straightening
Stream twin columns couple composite post insulator shock test device and can be used as under ± 800KV extra-high voltage direct-current project of transmitting and converting electricity backgrounds
Shock test device.In the present embodiment, set axis direction along inside tube busbar 10 as X to, in horizontal plane vertical X to side
It is vertically Z-direction to for Y-direction.
The measuring point situation that the accelerometer cloth on two single-column test mechanisms 20 postpones is illustrated in Fig. 2, Fig. 3 respectively,
The measuring point situation that the accelerometer cloth on inside tube busbar 10 postpones is illustrated in Fig. 4.As shown in Figure 2, Figure 3, Figure 4, described
The mounting platform 222 of holder 220 be equipped with XYZ three-dimensionals accelerometer (measuring point AX-1, AY-1, AZ-1 and measuring point AX-7, AY-7,
AZ-7), the flange 2322 of 232 lower end of composite post insulator described in the lowermost is set with the handing-over position of core rod of insulator 2321
There is XY to accelerometer (measuring point AX-2, AY-2 and measuring point AX-8, AY-8), the center of gravity of the single-column support insulator 230 is set
There is XY to accelerometer (measuring point AX-3, AY-3 and measuring point AX-9, AY-9), the composite post insulator 232 of the top
Middle part is equipped with XY to accelerometer (measuring point AX-4, AY-4 and measuring point AX-10, AY-10), and the composite post of the top insulate
2322 top of flange of sub 232 upper ends is equipped with XYZ three-dimensionals accelerometer (measuring point AX-5, AY-5, AZ-5 and measuring point AX-11, AY-
11, AZ-11), the gold utensil 250 be equipped with XY to accelerometer (measuring point AX-6, AY-6 and measuring point AX-12, AY-12), it is described
Inside tube busbar 10 is equipped with XYZ three-dimensionals accelerometer (measuring point AX-13, AY-13, AZ-13) along the middle part of its axis direction, along it
The both sides at the middle part of axis direction are equipped with YZ to accelerometer (measuring point AY-14, AZ-14 and measuring point AY-15, AZ-15).This implementation
In example, the inside tube busbar is 1/4 of the inside tube busbar 10 in the axial direction along the both sides at the middle part of its axis direction
At place and 3/4, measuring point setting is reasonable.
In earthquake, the mounting platform of holder 220,232 upper end of composite post insulator of the top 2322 and of flange
10 middle part of inside tube busbar is affected by earthquake three-way vibration, the flange of 232 lower end of the lowermost composite post insulator
2322 with core rod of insulator 2321 handing-over position, the center of gravity of single-column support insulator 230, the top composite post insulate
Middle part, gold utensil 250 and 10 middle part of inside tube busbar of son 232 are affected by earthquake XY to vibration, and above-mentioned position is ground
The weak part easily damaged when shake, by being correspondingly arranged XYZ three-dimensionals accelerometer and XY to accelerometer at above-mentioned position,
Acceleration responsive of single column insulator 230 under geological process under twin columns couple system can be effectively assessed, its antidetonation is assessed
Performance, and can largely simplify the arrangement of acceleration measuring point, single-column branch just can effectively be assessed using less accelerometer
The anti-seismic performance of column insulator 230.
The measuring point situation that the strain gauge cloth on two single-column test mechanisms 20 postpones, Fig. 7 are illustrated in Fig. 5, Fig. 6 respectively
In illustrate the measuring point situation that the strain gauge cloth on inside tube busbar 10 postpones.As shown in Fig. 5, Fig. 6, Fig. 7, the strain gauge
Including one group of foil gauge, the flange 2322 with core rod of insulator 2321 of 232 lower end of composite post insulator described in the lowermost
Junction is equipped with one group of foil gauge (measuring point S1-S8, S33-S40), the method for 232 upper end of composite post insulator described in the lowermost
Orchid 2322 is equipped with one group of foil gauge (measuring point S9-S16, S41-S48) with the junction of core rod of insulator 2321, and from bottom to up the
The flange 2322 of two 232 lower ends of the composite post insulator is equipped with one group of foil gauge with the junction of core rod of insulator 2321
(measuring point S17-S24, S49-S56), the flange 2322 and core rod of insulator of 232 upper end of the composite post insulator of the top
2321 junction is equipped with one group of foil gauge (measuring point S25-S32, S57-S64), and the inside tube busbar 10 is along its axis direction
Middle part and middle part both sides at be equipped with one group of foil gauge (measuring point S69-S72, S65-S68, S73-S76).In the present embodiment,
The inside tube busbar along the middle part of its axis direction both sides be the inside tube busbar 10 in the axial direction 1/4 at and 3/
At 4, measuring point setting is reasonable.
Using above-mentioned arrangement, the weak part easily damaged when earthquake is can detect, largely simplifies strain
The arrangement of measuring point just can effectively assess single column insulator 230 under twin columns couple system on the basis of less strain gauge
Strain-responsive under geological process assesses its anti-seismic performance.In the present embodiment, as shown in figure 8, being arranged in the composite post
One group of foil gauge on insulator 232 includes eight foil gauges, and eight foil gauges are along the circumferential equidistant of core rod of insulator 2321
Setting, as shown in figure 9, one group of foil gauge being arranged on the inside tube busbar 10 includes four foil gauges, four foil gauges
Along the circumferential spaced set of inside tube busbar 10.It in turn, can be in each of composite post insulator 232 and inside tube busbar 10
A orientation acquires strain data, and test data is comprehensively, accurately.
The measuring point situation that the displacement meter cloth on two single-column test mechanisms 20 postpones is illustrated in Figure 10, Figure 11 respectively.
As shown in Figure 10, Figure 11, the mounting platform 212 of the shake table 210 be equipped with X to displacement meter (measuring point T-D1, T-D2), it is described
The mounting platform 222 of holder 220 is equipped with X to displacement meter (measuring point D1, D4), under second composite post insulator 232
The flange 2322 at end is equipped with X to displacement meter (measuring point D2, D5), the flange of third 232 lower end of the composite post insulator
2322 are equipped with X to displacement meter (measuring point D3, D6).In earthquake, single-column support insulator 230 is affected by X to vibration,
Using above-mentioned arrangement, the weak part easily damaged when earthquake is can detect, is largely simplifying displacement measuring points
Arrangement just can effectively be assessed twin columns and be coupled lower single column insulator 230 in geological process on the basis of less displacement meter
Under dynamic respond, assess its anti-seismic performance.
In the present embodiment, as shown in figure 12, the composite post insulator 232 further includes being set in core rod of insulator 2321
The silicone rubber jacket 2323 in outside, the silicone rubber jacket 2323 are connect with the core rod of insulator 2321, the silicon rubber shield
Set 2323 winds the core rod of insulator 2321 by silicone rubber membrane and is formed, and is multilayer membrane structure, the silicone rubber jacket
2323 are uniformly distributed on the outer wall of the core rod of insulator 2321.In general, the core rod of insulator of composite post insulator 232
2321 and silicon rubber umbrella skirt are clastotypes, and core rod of insulator 2321 is main bearing member, and silicon rubber umbrella skirt is accessory structure,
Silicon rubber umbrella skirt does not play mechanical function in earthquake, and the influence to mechanical property can be reduced to distributed mass.Actual needs pair
It, can be by the silicon rubber with the model composite post insulator 232 when the composite post insulator 232 of a certain model carries out shock test
The comparable silicone rubber membrane uniform winding of glue full skirt quality makes the matter of silicone rubber jacket 2323 on the outer wall of core rod of insulator 2321
Amount is suitable with 232 original silicon rubber umbrella skirt quality of model composite post insulator, and silicone rubber jacket 2323 can be equivalent
232 original silicon rubber umbrella skirt of analog composite support insulator, the composite post insulator 232 can equivalent simulation it is existing multiple
Support insulator is closed to carry out shock test.The composite post insulator 232 is using silicone rubber jacket 2323 come equivalent simulation
Original silicon rubber umbrella skirt, silicone rubber jacket 2323 is suitable with silicon rubber umbrella skirt material identical, quality, can be considered on mechanics
Equivalent replacement does not influence shock test, it is not necessary that the silicon rubber umbrella skirt for being suitable for experiment, the composite post insulation is separately manufactured
Son 232 is simple in structure, can further decrease experimentation cost.
The silicone rubber jacket 2323 includes the first sheath 2323a being arranged along 2321 axial direction of core rod of insulator and
The two sheath ends of 2323b, the first sheath 2323a far from the second sheath 2323b and 2321 one end of the core rod of insulator
Flange 2322 between, between the first sheath 2323a and the second sheath 2323b, the second sheath 2323b is far from first
Installation gap 2324 is reserved between the flange 2322 of 2321 other end of the end of sheath 2323a and the core rod of insulator,
Installation gap 2324 between the first sheath 2323a and the second sheath 2323b is located in the core rod of insulator 2321
Portion.By reserved installation gap 2324, the arrangement of above-mentioned accelerometer, strain gauge and displacement meter can be convenient for.With it is original multiple
It closes support insulator to compare, original structure is due to using silicon rubber umbrella skirt so that outside core rod of insulator 2321 is not exposed to, and
To meet the requirement of test accuracy, the sensor needs in experiment are directly contacted with core rod of insulator 2321, when this makes experiment
It needs to re-work silicon rubber umbrella skirt, manufacture difficulty is big, point layout difficulty is big and expensive, described in the present embodiment
Composite post insulator 232 is with the above structure, simple in structure, relatively low convenient for manufacture, manufacturing cost, can be according to determining
It locates, reserves the arrangement that sensor is convenient in installation gap 2324 in advance, greatly facilitate the point layout of shock test,
Be conducive to improve the measurement accuracy of shock test.
In the present embodiment, the outside of the first sheath 2323a is equipped with fixes the fixation steel wire of its own for circumferential direction
The outside of 2325, the second sheath 2323b are equipped with fixes the fixation steel wire 2325 of its own, the installation gap for circumferential direction
Longitudinally fixed component is equipped at 2324, the longitudinally fixed component is used for the longitudinally fixed first sheath 2323a and second
Sheath 2323b.The silicone rubber jacket 2323 is fixed on core rod of insulator by fixed steel wire 2325 and longitudinally fixed component
On 2321 outer wall.Fixed steel wire 2325 is longitudinal for fixing the first sheath 2323a, the second sheath 2323b on circumferential direction
Fixation kit is used to fix the first sheath 2323a, the second sheath 2323b in longitudinal direction, prevents the first sheath 2323a and second
Sheath 2323b slides.In carrying out shock test, the silicone rubber jacket 2323 can be fixed in core rod of insulator
On 2321, it is not easy to slide, does not interfere with test result.Specifically, the longitudinally fixed component includes along core rod of insulator 2321
The wooden fixation cushion block 2326 of four be arranged circumferentially piece and fixation for the circumferential fixed fixed cushion block 2326
Steel wire 2325, fixed cushion block 2326 can withstand the first sheath 2323a and the second sheath 2323b in longitudinal direction, and then effectively
Prevent the first sheath 2323a and the second sheath 2323b from sliding, longitudinally fixed effect is good.
Extra-high voltage direct-current twin columns described in the present embodiment couple composite post insulator shock test device, by accelerating
Degree meter, the position of strain gauge and displacement meter and direction arrangement are designed, and can largely simplify the cloth of each measuring point
It sets, on the basis of using less accelerometer, strain gauge and displacement meter, detects the weak point easily damaged when earthquake
Position effectively assesses dynamic respond of the single-column support insulator 230 under geological process under twin columns couple system, assesses its antidetonation
Performance.By to the design in 230 structure of single-column test mechanism 20 and single-column support insulator, simple in structure, manufacturing cost
It is low, it is convenient for point layout, experimentation cost can be reduced.
As shown in Fig. 1, Figure 13, a kind of extra-high voltage direct-current twin columns couple the experiment of composite post insulator shock test device
Method couples composite post insulator shock test device using extra-high voltage direct-current twin columns described above and is tested, including
Following steps：
S100：Shake table 210 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 230 and inside tube busbar 10 vibrate under the action of shake table 210, are located at spy
Each accelerometer, strain gauge and the displacement meter that high voltage direct current twin columns couple on composite post insulator shock test device are adopted
Collection test data is simultaneously transmitted to controller；
S300：Controller transformational analysis test data obtains response of the single-column support insulator 230 under geological process.
The extra-high voltage direct-current twin columns couple the test method of composite post insulator shock test device, using above-mentioned institute
The extra-high voltage direct-current twin columns stated couple composite post insulator shock test device and carry out shock test, can have from multiple angles
Effect acquisition twin columns couple response of the lower single column insulator 230 under geological process, effectively assess single-column support insulator 230
Anti-seismic performance, experimentation cost is low.
Specifically, coupling composite post insulator shock test device using above-mentioned extra-high voltage direct-current twin columns carries out antidetonation examination
When testing, operating condition of test is：
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, test data is fully comprehensively accurate.Twin columns described in the present embodiment
Composite post insulator shock test and method are coupled, the single-column support insulator under twin columns couple system is can not only obtain
230 anti-seismic performance could be applicable to the items such as scientific research, the bid and purchase of the anti-seismic performance to composite post insulator 232
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 (9)
1. a kind of extra-high voltage direct-current twin columns couple composite post insulator shock test device, which is characterized in that including inside tube
The both ends of busbar, the inside tube busbar are equipped with single-column test mechanism, and the single-column test mechanism includes shake table, is mounted on
Holder and lower end on the mounting platform of the shake table are mounted on the single-column post insulator on the mounting platform of the holder
The upper end of son, the single-column support insulator is equipped with counterweight, and the upper end of the counterweight is equipped with corresponding with inside tube busbar
The gold utensil of connection is held, the mounting platform of the holder is equipped at least one accelerometer and at least one displacement meter, described
Single-column support insulator is equipped at least one accelerometer, at least one strain gauge and at least one displacement meter, the gold
Tool is equipped at least one accelerometer, and the mounting platform of the shake table is equipped at least one displacement meter, the inside tube
Busbar is equipped at least one accelerometer and at least one strain gauge；
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, set axis direction along inside tube busbar 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, the inside
Pipe busbar is equipped with XYZ three-dimensional accelerometers along the middle part of its axis direction, and the both sides along the middle part of its axis direction are equipped with YZ
To accelerometer；
The strain gauge includes one group of foil gauge, and the every single-column support insulator includes five composite post insulators.
2. extra-high voltage direct-current twin columns according to claim 1 couple composite post insulator shock test device, feature
It is, the junction of the flange and core rod of insulator of composite post insulator lower end described in the lowermost is equipped with one group of foil gauge,
The junction of the flange and core rod of insulator of composite post insulator upper end described in the lowermost be equipped with one group of foil gauge, from down toward
On second composite post insulator lower end flange and core rod of insulator junction be equipped with one group of foil gauge, it is most upper
The flange of the composite post insulator upper end at end and the junction of core rod of insulator are equipped with one group of foil gauge, the inside tube
Busbar is equipped with one group of foil gauge along the both sides at the middle part of its axis direction and middle part.
3. extra-high voltage direct-current twin columns according to claim 2 couple composite post insulator shock test device, feature
Be, the inside tube busbar along the middle part of its axis direction both sides be the inside tube busbar in the axial direction 1/4 at
At 3/4.
4. extra-high voltage direct-current twin columns according to claim 3 couple composite post insulator shock test device, feature
It is, one group of foil gauge being arranged on the composite post insulator includes eight foil gauges, and eight foil gauges are along insulator
The circumferential spaced set of plug, one group of foil gauge being arranged on the inside tube busbar include four foil gauges, and four are answered
Become circumferential spaced set of the piece along inside tube busbar.
5. extra-high voltage direct-current twin columns according to claim 1 couple composite post insulator shock test device, feature
It is, 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
Under the flange of supreme second composite post insulator lower end be equipped with X to displacement meter, third is described multiple from bottom to up
The flange for closing support insulator lower end is equipped with X to displacement meter.
6. coupling composite post insulator shock test dress according to claim 1-5 any one of them extra-high voltage direct-current twin columns
It sets, which is characterized in that the composite post insulator further includes the silicone rubber jacket being set on the outside of core rod of insulator, the silicon
Rubber sheath is connect with the core rod of insulator, and the silicone rubber jacket winds the insulator core stick by silicone rubber membrane
At the silicone rubber jacket is uniformly distributed on the outer wall of the core rod of insulator.
7. extra-high voltage direct-current twin columns according to claim 6 couple composite post insulator shock test device, feature
It is, the silicone rubber jacket includes the first sheath and the second sheath being arranged along core rod of insulator axial direction, and described first
Between end and the flange of described core rod of insulator one end of the sheath 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.
8. coupling composite post insulator shock test dress according to claim 1-5 any one of them extra-high voltage direct-current twin columns
It sets, which is characterized in that the counterweight is iron plate.
9. a kind of extra-high voltage direct-current twin columns couple composite post insulator shock test method, which is characterized in that wanted using right
It asks 1-8 any one of them extra-high voltage direct-current twin columns to couple composite post insulator shock test device to be tested, including with
Lower step：
Shake table receives signal and starts to vibrate；
Single-column support insulator and inside tube busbar vibrate under the action of shake table, are coupled positioned at extra-high voltage direct-current twin columns multiple
It closes each accelerometer on support insulator shock test device, strain gauge and displacement meter acquisition test data and is transmitted to
Controller；
Controller transformational analysis test data obtains response of the single-column support insulator under geological process.
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