CN106052997A - Extra high voltage DC double-column coupling composite supporting column insulator anti-vibration test device and test method thereof - Google Patents
Extra high voltage DC double-column coupling composite supporting column insulator anti-vibration test device and test method thereof Download PDFInfo
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- CN106052997A CN106052997A CN201610553596.7A CN201610553596A CN106052997A CN 106052997 A CN106052997 A CN 106052997A CN 201610553596 A CN201610553596 A CN 201610553596A CN 106052997 A CN106052997 A CN 106052997A
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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 an extra high voltage DC double-column coupling composite supporting column insulator anti-vibration test device and a test method thereof. The test device comprises an inner side tube bus, wherein two ends of the inner side tube bus are respectively provided with a single-column test mechanism, the single-column test mechanism comprises a vibration stand, a support mounted on a mounting platform of the vibration stand and a single-column supporting column insulator of which a lower end is mounted on the mounting platform of the support, an upper end of the single-column supporting column insulator is provided with a counterweight, an upper end of the counterweight is provided with fittings connected with a corresponding end of the inner side tube bus, and the single-column supporting column insulator is provided with at least one acceleration meter, at least one strain meter and at least one displacement meter. According to the test device and the test method thereof, test cost is relatively low, and anti-vibration performance of the single-column supporting column insulator under the double-column coupling condition can be effectively evaluated.
Description
Technical field
The present invention relates to substation equipment technical field, particularly relating to a kind of extra-high voltage direct-current twin columns, to couple composite post exhausted
Edge 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 multiple single-column support insulator and resisting under pipe bus couple system
Shock stability, especially applies when some highlight lines areas, needs to carry out shock test, obtains the antidetonation of single-column support insulator
Performance.But, existing less with the shock test research of pipe bus couple system for multiple single-column support insulators, there is no energy
The shock test device of the anti-seismic performance of enough preferably assessment single-column support insulators.
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
The extra-high voltage direct-current twin columns that can effectively assess single-column composite post insulator anti-seismic performance under geological process couple compound
Support insulator shock test device and test method thereof.
Its technical scheme is as follows:
A kind of extra-high voltage direct-current twin columns couple composite post insulator shock test device, including inside tube bus, described
The two ends of inside tube bus are equipped with single-column test mechanism, and described single-column test mechanism includes vibration table, is arranged on described vibration
The single-column support insulator that support on the mounting platform of platform and lower end are arranged on the mounting platform of described support, described list
The upper end of column insulator is provided with counterweight, and the upper end of described counterweight is provided with the gold that the corresponding end with inside tube bus is connected
Tool, the mounting platform of described support is provided with at least one accelerometer and at least one displacement meter, and described single-column pillar is exhausted
Edge is provided with at least one accelerometer, at least one strain gauge and at least one displacement meter, described gold utensil be provided with to
A few accelerometer, the mounting platform of described vibration table is provided with at least one displacement meter, and described inside tube bus is provided with
At least one accelerometer and at least one strain gauge.
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 inside tube bus be X to, in horizontal plane vertical X to direction be Y-direction, be vertically Z-direction；
The mounting platform of described support is provided with XYZ three-dimensional accelerometer, under the described composite post insulator of bottom
The flange of end is provided with XY with the handing-over position of core rod of insulator and is provided with to accelerometer, the center of gravity of described single-column support insulator
XY is to accelerometer, and the middle part of described composite post insulator topmost is provided with XY to accelerometer, topmost described multiple
The flange top closing support insulator upper end is provided with XYZ three-dimensional accelerometer, and described gold utensil is provided with XY to accelerometer, described
Inside tube bus is provided with XYZ three-dimensional accelerometer 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.
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, and described inside tube bus is along the middle part of its axis direction and middle part
Both sides are equipped with one group of foil gauge.
Wherein in an embodiment, described inside tube bus is described inside tube along the both sides at the middle part of its axis direction
Bus in the axial direction 1/4 at and 3/4 at.
Wherein in an embodiment, it is arranged on described composite post insulator one group of foil gauge and includes eight strains
Sheet, eight foil gauges are along the circumferential spaced set of core rod of insulator, the one group of foil gauge being arranged on described inside tube bus
Including four foil gauges, four foil gauges are along the circumferential spaced set of inside tube bus.
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, every described single-column support insulator includes five composite post insulators, described
Counterweight is iron plate.
A kind of method that extra-high voltage direct-current twin columns couple composite post insulator shock test device, utilizes described above
Extra-high voltage direct-current twin columns couple composite post insulator shock test device and test, and comprise the following steps:
Vibration table receives signal and starts vibration；
Single-column support insulator and inside tube bus vibrate under the effect of vibration table, are positioned at extra-high voltage direct-current twin columns coupling
Each accelerometer, strain gauge and displacement meter on connection composite post insulator shock test device gather test data and pass
Transport 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 twin columns couple composite post insulator shock test device, use inside tube bus and set
Put single-column test mechanism at its two ends and form twin columns couple system, by twin columns couple system can in equivalent simulation transformer station many
The system that individual single-column support insulator couples with pipe bus, modelling effect is close with actual condition；At each single-column test mechanism
In, by arranging counterweight in single-column support insulator upper end, during actual tests, can by the quality settings of counterweight and single-column
The original grading ring in support insulator top and outboard tube bus quality are suitable, and then counterweight can equivalent simulation single-column pillar
The original grading ring in insulator top and outboard tube bus, when carrying out shock test, do not interfere with the mechanics of whole assay device
Performance, does not affect shock test, it is not necessary to additionally arrange price grading ring costly and outboard tube bus, structure letter
List, manufacturing cost are relatively low.Additionally, by setting on support, single-column support insulator, gold utensil, vibration table and inside tube bus
Put corresponding accelerometer, strain gauge and displacement meter, it is possible to effectively gather twin columns couple system from multiple angles and place an order column
Insulator response under geological process, effectively assesses its anti-seismic performance.It is exhausted that described extra-high voltage direct-current twin columns couple composite post
Edge shock test apparatus structure is simple, and experimentation cost is relatively low, it is possible to the single-column support insulator under effectively assessment twin columns couple
Anti-seismic performance.
Described extra-high voltage direct-current twin columns couple the test method of composite post insulator shock test device, use above-mentioned institute
The extra-high voltage direct-current twin columns stated couple composite post insulator shock test device and carry out shock test, it is possible to have from multiple angles
Effect gathers twin columns and couples the column insulator response under geological process that places an order, and effectively assesses the antidetonation of single-column support insulator
Performance, experimentation cost is low.
Accompanying drawing explanation
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 representation；
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 bus 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 bus 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 bus 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
The displacement meter arrangement schematic diagram of a single-column test mechanism；
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
The displacement meter arrangement schematic diagram of another single-column test mechanism；
Figure 12 is the structural representation 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
The schematic flow sheet of test method.
Description of reference numerals:
10, inside tube bus, 20, single-column test mechanism, 210, vibration table, 212, the mounting platform of vibration table, 220,
Frame, 222, the mounting platform of support, 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, assemblage gap, 2325, solid
Determine steel wire, 2326, fixing cushion block, 240, counterweight, 250, gold utensil.
Detailed description of the invention
Below embodiments of the invention are described in detail:
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
Side pipe bus 10, the two ends of described inside tube bus 10 are equipped with single-column test mechanism 20, and described single-column test mechanism 20 includes
Vibration table 210, the support 220 being arranged on the mounting platform 212 of described vibration table 210 and lower end are arranged on described support
Single-column support insulator 230 on the mounting platform 222 of 220, the upper end of described single-column support insulator 230 is provided with counterweight
240, the upper end of described counterweight 240 is provided with the gold utensil 250 that the corresponding end with inside tube bus 10 is connected, described support 220
Mounting platform 222 is provided with at least one accelerometer and at least one displacement meter, and described single-column support insulator 230 sets
At least one accelerometer, at least one strain gauge and at least one displacement meter, described gold utensil 250 is had to be provided with at least one
Accelerometer, the mounting platform of described vibration table 210 is provided with at least one displacement meter, described inside tube bus 10 be provided with to
A few accelerometer and at least one strain gauge.Wherein, define described single-column support insulator 230 to be connected with support 220
One end be lower end, described single-column support insulator 230 is upper end away from one end of support 220.
In the present embodiment, described counterweight 240 is iron plate, easily manufactured, cost is relatively low.Described support 220 can use
The support of application in actual condition, the rigidity of support 220 and with the connected mode of single-column support insulator 230 all with actual work
Condition is identical, and modelling effect is close with actual condition, simulates effective.Described accelerometer can be acceleration transducer, or can
Measure other elements, device or the equipment of acceleration；Described strain gauge can be strain transducer, maybe can measure strain other
Element, device or equipment；Described displacement meter can be to be positioned at sensor, maybe can measure other elements, device or the equipment of displacement.
In earthquake, the grading ring at single-column support insulator 230 top and two side pipe buses are to single-column support insulator 230
Not playing mechanical function, it can be reduced to lumped mass to the Effect on Mechanical Properties of single-column support insulator 230.Described extra-high straightening
Stream twin columns couple composite post insulator shock test device, use inside tube bus 10 and are arranged on the single-column examination at its two ends
Test mechanism 20 and form twin columns couple system, can multiple single-column support insulators in equivalent simulation transformer station by twin columns couple system
230 systems coupled with pipe bus, modelling effect is close with actual condition；In this twin columns couple system, in arranging
Side pipe bus 10, during actual tests, can by the quality settings of the counterweight 240 of each single-column support insulator 230 upper end with
The original grading ring in single-column support insulator 230 top and outboard tube bus quality are suitable, and then counterweight 240 can equivalence mould
The original grading ring in endorsement column insulator 230 top and outboard tube bus, when carrying out shock test, do not interfere with whole examination
The structural mechanical property of experiment device, does not has any impact to shock test, and without additionally arranging price all pressures costly
Ring and outboard tube bus, simple in construction, manufacturing cost are relatively low.Additionally, by support 220, single-column support insulator 230, gold
On tool 250, vibration table 210 and inside tube bus 10, corresponding accelerometer, strain gauge and displacement meter are set, it is possible to from multiple
Angle effectively gathers twin columns couple system and places an order the column insulator 230 response under geological process, effectively assesses its antidetonation
Performance.It is simple that described extra-high voltage direct-current twin columns couple composite post insulator shock test apparatus structure, and experimentation cost is relatively low, energy
The anti-seismic performance of enough single-column support insulators 230 effectively assessed under twin columns couple.
Concrete, described single-column support insulator 230 includes multiple composite post insulator 232 being sequentially connected with, described
Composite post insulator 232 includes core rod of insulator 2321 and is arranged on the flange at described core rod of insulator 2321 two ends
2322.In the present embodiment, every described single-column support insulator 230 includes five composite post insulators 232, this extra-high straightening
Stream twin columns couple composite post insulator shock test device can be as under ± 800KV extra-high voltage direct-current project of transmitting and converting electricity background
Shock test device.In the present embodiment, set along the axis direction of inside tube bus 10 as X to, in horizontal plane vertical X to side
To for Y-direction, it it is vertically Z-direction.
Fig. 2, Fig. 3 illustrate measuring point situation that the accelerometer cloth on two single-column test mechanisms 20 postpones respectively,
Fig. 4 illustrates the measuring point situation that the accelerometer cloth on inside tube bus 10 postpones.As shown in Figure 2, Figure 3, Figure 4, described
The mounting platform 222 of support 220 be provided with XYZ three-dimensional accelerometer (measuring point AX-1, AY-1, AZ-1 and measuring point AX-7, AY-7,
AZ-7), the flange 2322 of described composite post insulator 232 lower end of bottom sets with the handing-over position of core rod of insulator 2321
Having XY to accelerometer (measuring point AX-2, AY-2 and measuring point AX-8, AY-8), the center of gravity of described single-column support insulator 230 sets
There is XY to accelerometer (measuring point AX-3, AY-3 and measuring point AX-9, AY-9), described composite post insulator 232 topmost
Middle part is provided with XY to accelerometer (measuring point AX-4, AY-4 and measuring point AX-10, AY-10), described composite post insulation topmost
Flange 2322 top of son 232 upper ends is provided with XYZ three-dimensional accelerometer (measuring point AX-5, AY-5, AZ-5 and measuring point AX-11, AY-
11, AZ-11), described gold utensil 250 is provided with XY to accelerometer (measuring point AX-6, AY-6 and measuring point AX-12, AY-12), described
Inside tube bus 10 is provided with XYZ three-dimensional accelerometer (measuring point AX-13, AY-13, AZ-13), along it along the middle part of its axis direction
The both sides at the middle part of axis direction are provided with YZ to accelerometer (measuring point AY-14, AZ-14 and measuring point AY-15, AZ-15).This enforcement
In example, described inside tube bus is described inside tube bus 10 1/4 in the axial direction along the both sides at the middle part of its axis direction
At place and 3/4, measuring point is arranged rationally.
In earthquake, the mounting platform of support 220, flange 2322 and of composite post insulator 232 upper end topmost
Affected relatively big in the middle part of inside tube bus 10 by earthquake three-way vibration, the flange of composite post insulator 232 lower end of bottom
2322 with the handing-over position of core rod of insulator 2321, the center of gravity of single-column support insulator 230, composite post insulation topmost
Being affected relatively big to vibration by earthquake XY in the middle part of middle part, gold utensil 250 and the inside tube bus 10 of son 232, above-mentioned position is ground
The weak part damaged easily is there is during shake, by being correspondingly arranged XYZ three-dimensional accelerometer and XY at above-mentioned position to accelerometer,
Can effectively assess twin columns couple system to place an order the column insulator 230 acceleration responsive under geological process, assess its antidetonation
Performance, and the layout of acceleration measuring point can be simplified largely, use less accelerometer just can effectively assess single-column and prop up
The anti-seismic performance of post insulator 230.
Fig. 5, Fig. 6 illustrate the measuring point situation that the strain gauge cloth on two single-column test mechanisms 20 postpones, Fig. 7 respectively
In illustrate the measuring point situation that the strain gauge cloth on inside tube bus 10 postpones.As shown in Fig. 5, Fig. 6, Fig. 7, described strain gauge
Including one group of foil gauge, the flange 2322 of described composite post insulator 232 lower end of bottom and core rod of insulator 2321
Junction is provided with one group of foil gauge (measuring point S1-S8, S33-S40), the method for described composite post insulator 232 upper end of bottom
Blue 2322 are provided with one group of foil gauge (measuring point S9-S16, S41-S48) with the junction of core rod of insulator 2321, the from bottom to up
The flange 2322 of two described composite post insulator 232 lower ends is provided with one group of foil gauge with the junction of core rod of insulator 2321
(measuring point S17-S24, S49-S56), the flange 2322 of described composite post insulator 232 upper end topmost and core rod of insulator
The junction of 2321 is provided with one group of foil gauge (measuring point S25-S32, S57-S64), and described inside tube bus 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,
Described inside tube bus along the both sides at the middle part of its axis direction be described inside tube bus 10 in the axial direction 1/4 at and 3/
At 4, measuring point is arranged rationally.
Use above-mentioned arrangement, the weak part damaged detectably easily occurs during shake, simplifies strain largely
The layout of measuring point, on the basis of using less strain gauge, just can effectively assess twin columns couple system and place an order column insulator 230
Strain-responsive under geological process, assesses its anti-seismic performance.In the present embodiment, as shown in Figure 8, it is arranged on described composite post
One group of foil gauge on insulator 232 includes eight foil gauges, and eight foil gauges are equidistant along the circumference of core rod of insulator 2321
Arrange, as it is shown in figure 9, the one group of foil gauge being arranged on described inside tube bus 10 includes four foil gauges, four foil gauges
Circumferential spaced set along inside tube bus 10.And then, it is possible to each at composite post insulator 232 and inside tube bus 10
Individual orientation gathers strain data, and test data is comprehensively, accurately.
Figure 10, Figure 11 illustrate measuring point situation that the displacement meter cloth on two single-column test mechanisms 20 postpones respectively.
As shown in Figure 10, Figure 11, the mounting platform 212 of described vibration table 210 is provided with X to displacement meter (measuring point T-D1, T-D2), described
The mounting platform 222 of support 220 is provided with X to displacement meter (measuring point D1, D4), second described composite post insulator 232 times
The flange 2322 of end is provided with X to displacement meter (measuring point D2, D5), the flange of the 3rd described composite post insulator 232 lower end
2322 are provided with X to displacement meter (measuring point D3, D6).In earthquake, single-column support insulator 230 is affected relatively big by X to vibration,
Use above-mentioned arrangement, the weak part damaged detectably easily occurs during shake, simplifies displacement measuring points largely
Arrange, on the basis of using less displacement meter, just can effectively assess twin columns and couple the column insulator 230 that places an order in geological process
Under dynamic respond, assess its anti-seismic performance.
In the present embodiment, as shown in figure 12, described composite post insulator 232 also includes being set in core rod of insulator 2321
The silicone rubber jacket 2323 in outside, described silicone rubber jacket 2323 is connected with described core rod of insulator 2321, and described silicone rubber protects
Set 2323 is wound around described core rod of insulator 2321 by silicone rubber membrane and is formed, for multilamellar membrane structure, described silicone rubber jacket
2323 are uniformly distributed on the outer wall of described core rod of insulator 2321.General, the core rod of insulator of composite post insulator 232
2321 with silicon rubber umbrella skirt be clastotype, 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 it can be reduced to distributed mass to the impact of mechanical property.It is right to be actually needed
When the composite post insulator 232 of a certain model carries out shock test, can be by the silicon rubber with this model composite post insulator 232
The suitable silicone rubber membrane uniform winding of glue full skirt quality, on the outer wall of core rod of insulator 2321, makes the matter of silicone rubber jacket 2323
Amount is suitable with this model composite post insulator 232 original silicon rubber umbrella skirt quality, and silicone rubber jacket 2323 i.e. can equivalence
The original silicon rubber umbrella skirt of analog composite support insulator 232, it is existing multiple that this composite post insulator 232 gets final product equivalent simulation
Close support insulator to carry out shock test.Described composite post insulator 232 uses silicone rubber jacket 2323 to carry out equivalent simulation
Original silicon rubber umbrella skirt, silicone rubber jacket 2323 is identical with silicon rubber umbrella skirt material, quality suitable, and it can be considered on mechanics
Equivalence replaces, and not affects shock test, it is not necessary to manufacture the silicon rubber umbrella skirt being suitable to test separately, and described composite post insulate
Son 232 simple in construction, can reduce experimentation cost further.
Described silicone rubber jacket 2323 includes the first sheath 2323a and the arranged along core rod of insulator 2321 axial direction
Two sheath 2323b, described first sheath 2323a are away from end and described core rod of insulator 2321 one end of the second sheath 2323b
Flange 2322 between, between described first sheath 2323a and the second sheath 2323b, described second sheath 2323b is away from first
Assemblage gap 2324 all it is reserved with between end and the flange 2322 of described core rod of insulator 2321 other end of sheath 2323a,
Assemblage gap 2324 between described first sheath 2323a and the second sheath 2323b is positioned in described core rod of insulator 2321
Portion.By reserved assemblage gap 2324, the layout of above-mentioned accelerometer, strain gauge and displacement meter can be easy to.Multiple with original
Conjunction support insulator is compared, and original structure is owing to using silicon rubber umbrella skirt so that outside core rod of insulator 2321 is not exposed to, and
For meeting the requirement of test accuracy, the sensor in test needs directly to contact with core rod of insulator 2321, when this makes test
Needing to re-work silicon rubber umbrella skirt, manufacture difficulty is big, point layout difficulty is big and expensive, described in the present embodiment
After composite post insulator 232 uses said structure, simple in construction, be easy to manufacture, manufacturing cost relatively low, can be according to determining
Locate, reserve assemblage gap 2324 in advance and be easy to the layout of sensor, be very easy to the point layout of shock test,
Be conducive to improving the measurement accuracy of shock test.
In the present embodiment, the outside of described first sheath 2323a is provided with the fixing steel wire fixing himself for hoop
2325, the outside of described second sheath 2323b is provided with the fixing steel wire 2325 fixing himself for hoop, described assemblage gap
Being equipped with longitudinally fixed assembly at 2324, described longitudinally fixed assembly is used for longitudinally fixed described first sheath 2323a and second
Sheath 2323b.Described silicone rubber jacket 2323 is fixed on core rod of insulator by fixing steel wire 2325 and longitudinally fixed assembly
On the outer wall of 2321.Fixing steel wire 2325 is for fixing the first sheath 2323a, the second sheath 2323b on hoop direction, longitudinally
Fixation kit, for fixing the first sheath 2323a, the second sheath 2323b at longitudinal direction, prevents the first sheath 2323a and second
Sheath 2323b landing.In carrying out shock test, described silicone rubber jacket 2323 can be fixed in core rod of insulator
On 2321, it is difficult to landing, does not interferes with result of the test.Concrete, described longitudinally fixed assembly includes along core rod of insulator 2321
Four pieces of wooden fixing cushion blocks 2326 being evenly arranged of circumference and fix the fixing of described fixing cushion block 2326 for hoop
Steel wire 2325, fixing cushion block 2326 can withstand the first sheath 2323a and the second sheath 2323b at longitudinal direction, and then effectively
Prevent the first sheath 2323a and the second sheath 2323b landing, longitudinally fixed effective.
Extra-high voltage direct-current twin columns described in the present embodiment couple composite post insulator shock test device, by acceleration
Degree meter, strain gauge and the position of displacement meter and direction are arranged and are designed, and can simplify the cloth of each measuring point largely
Put, on the basis of using less accelerometer, strain gauge and displacement meter, the weak point damaged easily occurs during detection earthquake
The single-column support insulator 230 under position, effectively assessment twin columns couple system dynamic respond under geological process, assesses its antidetonation
Performance.By to the design on single-column test mechanism 20 and single-column support insulator 230 structure, simple in construction, manufacturing cost
Low, it is simple to point layout, it is possible to decrease experimentation cost.
As shown in Fig. 1, Figure 13, a kind of extra-high voltage direct-current twin columns couple the test of composite post insulator shock test device
Method, utilizes extra-high voltage direct-current twin columns described above to couple composite post insulator shock test device and tests, including
Following steps:
S100: vibration table 210 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 230 and inside tube bus 10 vibrate under the effect of vibration table 210, are positioned at spy
Each accelerometer, strain gauge and displacement meter that HVDC twin columns couple on composite post insulator shock test device are adopted
Collection test data also transmits to controller；
S300: controller transformational analysis test data, draws the single-column support insulator 230 response under geological process.
Described extra-high voltage direct-current twin columns couple the test method of composite post insulator shock test device, use above-mentioned institute
The extra-high voltage direct-current twin columns stated couple composite post insulator shock test device and carry out shock test, it is possible to have from multiple angles
Effect gathers twin columns and couples the column insulator 230 response under geological process that places an order, effectively assessment single-column support insulator 230
Anti-seismic performance, experimentation cost is low.
Concrete, use above-mentioned extra-high voltage direct-current twin columns to couple composite post insulator shock test device and carry out antidetonation examination
When testing, operating condition of test is:
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, test data is fully comprehensively accurately.Twin columns described in the present embodiment
Couple composite post insulator shock test and method, can not only obtain the single-column support insulator under twin columns couple system
The anti-seismic performance of 230, could be applicable to the items such as the scientific research of anti-seismic performance to composite post insulator 232, 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. extra-high voltage direct-current twin columns couple composite post insulator shock test device, it is characterised in that include inside tube
Bus, the two ends of described inside tube bus are equipped with single-column test mechanism, and described single-column test mechanism includes vibration table, is arranged on
The single-column post insulator that support on the mounting platform of described vibration table and lower end are arranged on the mounting platform of described support
Son, the upper end of described single-column support insulator is provided with counterweight, and the upper end of described counterweight is provided with corresponding with inside tube bus
The gold utensil that end connects, the mounting platform of described support is provided with at least one accelerometer and at least one displacement meter, described
Single-column support insulator is provided with at least one accelerometer, at least one strain gauge and at least one displacement meter, described gold
Tool is provided with at least one accelerometer, and the mounting platform of described vibration table is provided with at least one displacement meter, described inside tube
Bus is provided with at least one accelerometer and at least one strain gauge.
Extra-high voltage direct-current twin columns the most according to claim 1 couple composite post insulator shock test device, its feature
Being, described single-column support insulator includes multiple composite post insulator being sequentially connected with, described composite post insulator bag
Include core rod of insulator and be arranged on the flange at described core rod of insulator two ends, setting along the axis direction of inside tube bus as X
To, in horizontal plane vertical 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, described inner side
Pipe bus is provided with XYZ three-dimensional accelerometer 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.
Extra-high voltage direct-current twin columns the most according to claim 2 couple composite post insulator shock test device, its feature
Being, described strain gauge includes one group of foil gauge, the flange of the described composite post insulator lower end of bottom and insulator core
The junction of rod is provided with one group of foil gauge, the flange of the described composite post insulator upper end of bottom and the friendship of core rod of insulator
The place of connecing is provided with one group of foil gauge, the flange of second described composite post insulator lower end from bottom to up and core rod of insulator
Junction is provided with one group of foil gauge, the flange of described composite post insulator upper end topmost and the junction of core rod of insulator
Being provided with one group of foil gauge, described inside tube bus is equipped with one group of foil gauge along the middle part of its axis direction and the both sides at middle part.
Extra-high voltage direct-current twin columns the most according to claim 3 couple composite post insulator shock test device, its feature
Be, described inside tube bus along the both sides at the middle part of its axis direction be described inside tube bus in the axial direction 1/4 at
At 3/4.
Extra-high voltage direct-current twin columns the most according to claim 4 couple composite post insulator shock test device, its feature
Being, being arranged on described composite post insulator one group of foil gauge and include eight foil gauges, eight foil gauges are along insulator
The circumferential spaced set of plug, the one group of foil gauge being arranged on described inside tube bus includes four foil gauges, and four should
Become the sheet circumferential spaced set along inside tube bus.
Extra-high voltage direct-current twin columns the most according to claim 2 couple composite post insulator shock test device, its feature
Being, 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, and
The flange of two described composite post insulator lower ends is provided with X to displacement meter, the 3rd described composite post insulator lower end
Flange be provided with X to displacement meter.
7. couple composite post insulator shock test dress according to the extra-high voltage direct-current twin columns described in any one of claim 2-6
Put, it is characterised in that described composite post insulator also includes the silicone rubber jacket being set in outside core rod of insulator, described silicon
Rubber sheath is connected with described core rod of insulator, and described silicone rubber jacket is wound around described insulator core rod by silicone rubber membrane
Becoming, described silicone rubber jacket is uniformly distributed on the outer wall of described core rod of insulator.
Extra-high voltage direct-current twin columns the most according to claim 7 couple composite post insulator shock test device, its feature
Be, described silicone rubber jacket include along core rod of insulator axial direction arrange the first sheath 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, described first sheath and the second sheath it
Between, described second sheath be all reserved with installation away between end and the flange of the described core rod of insulator other end of the first sheath
Gap, the assemblage gap between described first sheath and the second sheath is positioned at the middle part of described core rod of insulator.
9. couple composite post insulator shock test dress according to the extra-high voltage direct-current twin columns described in any one of claim 2-6
Put, it is characterised in that every described single-column support insulator includes five composite post insulators, and described counterweight is iron plate.
10. the method that extra-high voltage direct-current twin columns couple composite post insulator shock test device, it is characterised in that utilize
Extra-high voltage direct-current twin columns described in any one of claim 1-9 couple composite post insulator shock test device and test,
Comprise the following steps:
Vibration table receives signal and starts vibration；
Single-column support insulator and inside tube bus vibrate under the effect of vibration table, are positioned at extra-high voltage direct-current twin columns and couple multiple
Close each accelerometer on support insulator shock test device, strain gauge and displacement meter gather test data and transmit extremely
Controller；
Controller transformational analysis test data, draws the response under geological process of the single-column support insulator.
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