CN106226177A - Extra-high voltage direct current composite wall bushing internal and external anti-seismic test device and test method - Google Patents
Extra-high voltage direct current composite wall bushing internal and external anti-seismic test device and test method Download PDFInfo
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- CN106226177A CN106226177A CN201610559606.8A CN201610559606A CN106226177A CN 106226177 A CN106226177 A CN 106226177A CN 201610559606 A CN201610559606 A CN 201610559606A CN 106226177 A CN106226177 A CN 106226177A
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000010998 test method Methods 0.000 title claims abstract description 10
- 239000002131 composite material Substances 0.000 title abstract 2
- 238000006073 displacement reaction Methods 0.000 claims abstract description 53
- 230000001133 acceleration Effects 0.000 claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 230000007704 transition Effects 0.000 claims description 62
- 230000035939 shock Effects 0.000 claims description 26
- 230000005484 gravity Effects 0.000 claims description 21
- 238000004364 calculation method Methods 0.000 abstract description 2
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- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000000638 stimulation Effects 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 5
- 239000011888 foil Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 230000003416 augmentation Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
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- 238000000034 method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses an internal and external anti-seismic test device and a test method for an extra-high voltage direct current composite wall bushing. According to the invention, the acceleration measurement is respectively carried out on the outer sleeve and the inner guide rod through the third accelerometer and the fourth accelerometer, and the movement displacement of the outer sleeve and the inner guide rod can be obtained by carrying out integral calculation on the measurement results of the third accelerometer and the fourth accelerometer, so that the relative displacement between the outer sleeve and the inner guide rod can be calculated according to the displacement of the outer sleeve and the inner guide rod, and the problems of collision, breakdown caused by insufficient air gap and the like of the wall bushing in the earthquake can be further judged.
Description
Technical field
The present invention relates to wall bushing shock test technical field, especially relate to a kind of extra-high voltage direct-current and be combined set through walls
The inside and outside shock test device of pipe and test method.
Background technology
Along with China's project of transmitting and converting electricity develops to high pressure, supertension and extra-high voltage direction, DC converter station is equipped with big
The key equipment of amount, such as ultrahigh voltage direct current wall bushing.Wall bushing is made up of trocar sheath and the inner guide being located in trocar sheath,
Wherein trocar sheath includes the outdoor bushing outside the valve Room and the composition of the indoor bushing inside the valve Room, and inner guide includes outside the valve Room
Indoor guide rod composition inside outdoor guide rod and the valve Room, centre is linked to be an entirety by transition tank, and this transition tank is by installing
Plate hangs and is arranged on the body of wall of the valve Room.Under multi-component earthquake excitation, ultrahigh voltage direct current wall bushing is had suitable by valve Room body of wall
Power augmentation effect, therefore ultrahigh voltage direct current wall bushing reality can be needed to carry out it sternly by more harsh geological process
The earthquake examination of lattice, it is ensured that it is safety in earthquake.At present, the shock test device going back neither one special carrys out simulation test work
The anti-seismic performance of the wall bushing in condition.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, it is provided that a kind of extra-high voltage direct-current is combined in wall bushing
Outer shock test device and test method, its can wall bushing under simulation test actual condition, in order to determine actual condition
The anti-seismic performance of lower wall bushing.
Its technical scheme is as follows:
A kind of extra-high voltage direct-current is combined shock test device inside and outside wall bushing, and this wall bushing includes trocar sheath and is located at
Inner guide in described trocar sheath, including acceleration measurement device, support, the installing plate being located on described support be located at described
Vibration table under bracket bottom, described support is provided with the support beam supporting described installing plate, and described installing plate offers for set through walls
Pipe through installing hole, described acceleration measurement device include the first accelerometer being located on described vibration table, be located at described
The second accelerometer in support beam, the 3rd accelerometer being located on this trocar sheath and the 4th adding of being located on described inner guide
Velometer.
Wherein in an embodiment, this wall bushing also includes that transition tank, described trocar sheath include being positioned at described transition
The first sleeve at tank two ends and the second sleeve pipe, described inner guide includes that the first guide rod and second being positioned at described transition tank two ends is led
Bar, described 3rd accelerometer and the described 4th equal at least two of accelerometer, the center of gravity of described first sleeve and described
The center of gravity of the second sleeve pipe is equipped with described 3rd accelerometer, the center of gravity of described first guide rod and the weight of described second guide rod
The 4th accelerometer it is equipped with at the heart.
Wherein in an embodiment, described first sleeve near one end of described transition tank, described first sleeve away from
One end of described transition tank, described second sleeve pipe near one end of described transition tank and described second sleeve pipe away from described transition tank
One end be equipped with described 3rd accelerometer.
Wherein in an embodiment, described acceleration measurement device also includes the 5th acceleration being located on described installing plate
Degree meter.
Wherein in an embodiment, also include that displacement measuring device, institute's displacement measurement device shake described in including being located at
The first displacement meter, the second displacement meter being located in described support beam and the triple motion being located on described trocar sheath on dynamic platform
Meter.
Wherein in an embodiment, described triple motion is calculated as multiple, and described first sleeve is near described transition tank
One end, described first sleeve are close away from crossing one end of described transition tank, the center of gravity of described first sleeve, described second sleeve pipe
One end of described transition tank, described second sleeve pipe are all provided with away from the center of gravity of one end and described second sleeve pipe of crossing described transition tank
There is described triple motion meter.
Wherein in an embodiment, also include strain gauge means, described strain gauge means include being located at described outside
First strain gauge of the outer surface of sleeve pipe and be located at second strain gauge of outer surface of described inner guide.
Wherein in an embodiment, it is characterised in that described strain is calculated as at least two, and described first sleeve is near institute
State one end of transition tank and described second sleeve pipe is equipped with described first strain gauge near one end of described transition tank, described first
Guide rod is equipped with described second near one end of described transition tank and described second guide rod near one end of described transition tank and strains
Meter.
Wherein in an embodiment, also include that controller, described vibration table and described acceleration measurement device are all and institute
State controller to be electrically connected with.
The technical program additionally provides a kind of extra-high voltage direct-current and is combined shock test method inside and outside wall bushing, including following
Step:
Being installed on a mounting board by wall bushing sample, this installing plate is located in the support beam of support；
Table top at vibration table arranges the first accelerometer, arranges the second accelerometer, in support beam on trocar sheath
Arrange the 3rd accelerometer, inner guide is arranged the 4th accelerometer；
Vibration on Start-up platform；
First accelerometer, the second accelerometer, the 3rd accelerometer and the 4th accelerometer gather vibration table respectively, prop up
Support beam, trocar sheath and the accekeration of inner guide；
It is analyzed institute's measuring acceleration value processing, in order to determine the anti-seismic performance of this wall bushing.
Advantage or principle to preceding solution illustrate below:
The invention provides a kind of extra-high voltage direct-current and be combined shock test device inside and outside wall bushing, it includes that acceleration is surveyed
Amount device, installing plate, support and vibration table, the wall bushing of test is fixed on support by installing plate.Of the present invention
Support may be designed as and quality, the equal strength such as actual valve Room body of wall, in order to simulate real valve Room body of wall, sets below support simultaneously
Having vibration table, vibration table is in order to export seismic wave, and when Vibration on Start-up platform, vibration power is amplified and is transferred to wearing by support
Wall sleeve, thus the present invention goes to be simulated the wall bushing under actual condition on the whole, it can pass through acceleration analysis
Device tests wall bushing anti-seismic performance under the power augmentation effect of valve Room body of wall.Specifically, the first accelerometer is used
In the seismic stimulation measuring the actual output of vibration table surface；Second accelerometer is for measuring the support acceleration to test sample
Amplification, that is to say the actual seismic stimulation being subject to of wall bushing test specimen, owing to wall bushing is to be pacified by installing plate
It is loaded in support beam, by measuring the acceleration induction value in support beam, can directly obtain and reach the earthquake of wall bushing and swash
Encourage；3rd accelerometer is i.e. for measuring wall bushing acceleration responsive in test.By in vibration table, support beam and
The accekeration of wall bushing outer surface is analyzed calculating, so that it is determined that the anti-seismic performance of wall bushing under actual condition.With
Time, acceleration measurement device of the present invention also includes the 4th accelerometer being located on inner guide, by the 3rd acceleration
Trocar sheath and inner guide degree of being accelerated are measured by meter and the 4th accelerometer respectively, and both measurement results are integrated meter
Calculation can draw both moving displacements, thus calculates outer relative displacement between the two according to both displacements, and then judges
Wall bushing has collisionless, the air gap deficiency to cause problems such as puncturing in earthquake.In summary, the present invention proposes one
Extra-high voltage direct-current is combined shock test device and test method inside and outside wall bushing, and it can wearing under simulation test actual condition
Wall sleeve, in order to determine the anti-seismic performance of wall bushing under actual condition, has bigger practicality and the suitability.
Preferably, the 3rd accelerometer and the 4th accelerometer lay respectively at the center of gravity of trocar sheath and inner guide so that
The measuring point of trocar sheath and inner guide is positioned at same cross-section, and then may determine that both relative displacements in same radial direction, from
And can more accurately judge that wall bushing has collisionless, the air gap deficiency to cause problems such as puncturing in earthquake.
Described 3rd accelerometer is also respectively arranged on first sleeve near one end of transition tank, first sleeve away from transition tank
One end, the second sleeve pipe near one end of transition tank and the second sleeve pipe away from one end of transition tank.Because wall bushing is above-mentioned
Position is all the weak link under earthquake disaster, on the basis of taking into full account testing cost, measuring point is located at above-mentioned position, i.e.
Can reach the effect of the anti-seismic performance assessing sleeve pipe on the whole.
Described acceleration measurement device also includes that the 4th accelerometer being located on described installing plate, the 4th accelerometer are used
In the outer moment of torsion of the plate measuring installing plate.
Present invention additionally comprises displacement measuring device, institute's displacement measurement device is for vibration table, support beam and set through walls
Tube outer surface carries out displacement measurement.By installing acceleration measurement device and displacement measuring device on this assay device, permissible
Wall bushing acceleration under seismic stimulation and displacement are measured, utilizes acceleration and displacement relation, can mutually check
Result of the test, it is ensured that the reliability of sensor measurement.
Present invention additionally comprises strain gauge means, this strain gauge means includes the first strain being located at trocar sheath outer surface
Count and be located at the second strain gauge of inner guide outer surface, in order to assess strain and the deformation of trocar sheath and inner guide, thus
Determine the shock strength of test sample.
Owing to place tank connected with transition on wall bushing is the link that antidetonation is the weakest, in first sleeve near transition
One end and second sleeve pipe of tank arrange the first strain gauge near one end of transition tank, the first guide rod near one end of transition tank with
And second guide rod arrange the second strain gauge near one end of transition tank, both can reach the effect of test strain, can save again
Testing cost.
Present invention additionally comprises controller near one end of transition tank near one end of transition tank, control vibration by controller
Platform starts and acceleration measurement device is measured, and is analyzed surveyed data calculating simultaneously, and then can realize whole test dress
That puts automatically controlling and calculating.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wall bushing described in the embodiment of the present invention；
Fig. 2 is that the extra-high voltage direct-current described in the embodiment of the present invention is combined the structure of shock test device inside and outside wall bushing and shows
It is intended to；
Fig. 3 be support described in the embodiment of the present invention with installing plate laterally assemble schematic diagram；
Fig. 4 is the layout schematic diagram of the acceleration measurement device described in the embodiment of the present invention；
Fig. 5 is the layout schematic diagram of the displacement measuring device described in the embodiment of the present invention；
Fig. 6 is the layout schematic diagram of the strain gauge means described in the embodiment of the present invention；
Fig. 7 (a) is the layout schematic diagram of the single strain rosette described in the embodiment of the present invention；Fig. 7 (b) is the embodiment of the present invention
The layout schematic diagram of 4 strain rosettes on described trocar sheath；
Fig. 8 (a) is the layout schematic diagram of the single foil gauge described in the embodiment of the present invention；Fig. 8 (b) is the embodiment of the present invention
The layout schematic diagram of 4 foil gauges on described inner guide.
Description of reference numerals:
100, wall bushing, 110, trocar sheath, 111, first sleeve, the 112, second sleeve pipe, 120, inner guide, 121, first
Guide rod, the 122, second guide rod, 130, transition tank, 200, vibration table, 210, table top, 300, support, 310, support beam, 400, install
Plate, 410, installing hole.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and specific embodiment party
Formula, is described in further detail the present invention.It should be appreciated that detailed description of the invention described herein is only in order to solve
Release the present invention, do not limit protection scope of the present invention.
As it is shown in figure 1, wall bushing 100 is made up of trocar sheath 110 and inner guide 120, wherein, trocar sheath 110 includes
Sleeve 111 and the second sleeve pipe 112, inner guide 120 includes the first guide rod 121 and the second guide rod 122, first sleeve 111 and
Two sleeve pipes 112 centres and the first guide rod 121 and the middle transition tank 130 that passes through of the second guide rod 122 are linked to be an entirety.Such as Fig. 2
Shown in Fig. 3, extra-high voltage direct-current of the present invention is combined shock test device inside and outside wall bushing, and it includes acceleration analysis
Device, support 300, the installing plate 400 being located on support 300 and be located at the vibration table 200 under described support 300.Described
Frame 300 is provided with the support beam 310 for supporting described installing plate 400, and described installing plate 400 offers for wall bushing 100
The installing hole 410 passed, installing plate 400 of the present invention is obliquely installed, and it is about 10 degree with the angle of vertical direction so that
Test sample tiltable is installed on support 300, is used for simulating tilted-putted wall bushing 100 under actual condition.The present invention
Described support 300 may be designed as and quality, the equal strength such as actual valve Room body of wall, in order to simulate the valve Room body of wall of reality, simultaneously
Vibration table 200 below support 300 is in order to export seismic wave, and when Vibration on Start-up platform 200, vibration power is carried out by support 300
Amplify and be transferred to wall bushing 100, thus the present invention goes the wall bushing 100 under actual condition is carried out mould on the whole
Intending, it can test the wall bushing 100 shock resistance under the power augmentation effect of valve Room body of wall by acceleration measurement device
Energy.
Specifically, as shown in Figure 4, described acceleration measurement device includes the table top 210 being respectively arranged on described vibration table 200
The first accelerometer A1, second accelerometer of the junction of installing plate 400 (support beam 310 with) in described support beam 310
A2, the 3rd accelerometer A3 of wall bushing 100 outer surface and the 4th accelerometer A4 being located on described inner guide 120..The
One accelerometer A1 is for measuring the seismic stimulation of the actual output of vibration table 200 table top 210, and the second accelerometer A2 is used for measuring
The support 300 acceleration amplification to test sample, that is to say that the actual earthquake being subject to of wall bushing 100 test specimen swashs
Encouraging, the 3rd accelerometer A3 is i.e. for measuring sleeve pipe acceleration responsive in test.By to vibration table 200, support beam 310
It is analyzed calculating with the accekeration of wall bushing 100 outer surface, so that it is determined that the antidetonation of wall bushing 100 under actual condition
Performance.Meanwhile, acceleration measurement device of the present invention also includes the 4th accelerometer A4 being located on inner guide 120, logical
Cross the 3rd accelerometer A3 and the 4th accelerometer A4 to measure, trocar sheath 110 and inner guide 120 degree of being accelerated to two respectively
The measurement result of person is integrated can be calculated both moving displacements, thus according to both displacements calculate outer both it
Between relative displacement, and then judge that wall bushing 100 has collisionless, the air gap deficiency to cause problems such as puncturing in earthquake.
In summary, the present invention proposes a kind of extra-high voltage direct-current and is combined shock test device and test method inside and outside wall bushing, its
Can wall bushing 100 under simulation test actual condition, in order to determine the anti-seismic performance of wall bushing 100 under actual condition,
There is bigger practicality and the suitability.
In the present embodiment, described 3rd accelerometer A3 and the described 4th equal at least two of accelerometer A4, described
The center of gravity of first sleeve 111 and the center of gravity 112 of described second sleeve pipe are equipped with described 3rd accelerometer A3, and described first
The center of gravity of guide rod 121 and the center of gravity of described second guide rod 122 are equipped with the 4th accelerometer A4.By by the 3rd acceleration
Meter A3 and the 4th accelerometer A4 lays respectively at trocar sheath 110 and the center of gravity of inner guide 120 so that trocar sheath 110 and interior lead
The measuring point of bar 120 is positioned at same cross-section, and then may determine that both relative displacements in same radial direction, such that it is able to more
Judge that wall bushing has collisionless, the air gap deficiency to cause problems such as puncturing in earthquake exactly.
Further, the 3rd accelerometer A3 is also respectively arranged on described first sleeve 111 near the one of described transition tank 130
End, described first sleeve 111 away from one end of described transition tank 130, described second sleeve pipe 112 near described transition tank 130
One end and described second sleeve pipe 112 are away from one end of described transition tank 130.Because the above-mentioned position of wall bushing 100 is all ground
Weak link under earthquake calamity evil, on the basis of taking into full account testing cost, is located at measuring point above-mentioned position, i.e. can reach from whole
The effect of the anti-seismic performance of sleeve pipe is assessed on body.
In the present embodiment, described acceleration measurement device also includes the 5th acceleration being located on described installing plate 400
Meter A5, the 5th accelerometer A5 reverse outside the face of installing plate 400 in order to measure.
Preferably, described the first accelerometer A1, the second accelerometer A2, the 3rd accelerometer A3, the 4th acceleration
Meter A4 and the 5th accelerometer A5 is three-dimensional acceleration transducer.Wherein, the first accelerometer A1, the second accelerometer A2 and
5th accelerometer A5 uses world coordinates arrangement, i.e. its three-dimensional measured respectively to be parallel to the X in direction, ground to, Y
To be perpendicular to the Z-direction on ground, wherein X is to pointing to the direction of the other end in horizontal plane from one end for wall bushing 100, Y-direction
Be perpendicular in horizontal plane X to.And owing to generally, wall bushing 100 is to be obliquely installed, in order to test wall bushing
100 antidetonation responses own, the arranged direction of the three-dimensional acceleration transducer being located on wall bushing 100 should be with wall bushing
On the basis of 100 is own, specifically, the measurement three-dimensional of the 3rd accelerometer A3 and the 4th accelerometer A4 is this wall bushing 100
Axial Xs, radially Zs and be perpendicular to the Ys, Zs of Xs, Zs and be positioned at vertical plane, Ys is identical with Y-direction.
In the present embodiment, also include displacement measuring device, as it is shown in figure 5, institute's displacement measurement device includes setting respectively
In the first displacement meter D1 of table top 210 of described vibration table 200, the second displacement meter D2 being located in described support beam 310 with set
Triple motion meter D3 in wall bushing 100 outer surface.First displacement meter D1, the second displacement meter D2 and triple motion meter D3 are respectively
For measuring the displacement on the absolute displacement of table top 210, the absolute displacement of support 300 and the sleeve pipe sample under seismic stimulation.
By installing acceleration measurement device and displacement measuring device on this assay device, can be to the wall bushing under seismic stimulation
100 acceleration and displacement measure, and utilize acceleration and displacement relation, can mutual check test result, it is ensured that sensor
The reliability of measurement result.
Specifically, the triple motion meter D3 being located at wall bushing 100 outer surface is multiple, is respectively arranged on described first sleeve
111 near one end of described transition tank 130, described first sleeve 111 away from cross one end of described transition tank 130, described first
The center of gravity of sleeve pipe 111, described second sleeve pipe 112 near one end of described transition tank 130, described second sleeve pipe 112 is away from mistake
One end of described transition tank 130 and the center of gravity of described second sleeve pipe 112.
Described displacement measuring device arranges at least two the 4th displacement meter D4 also dependent on being actually needed, two the 4th
Move meter D4 to be respectively used to be arranged in the first guide rod 121 and center of gravity of the second guide rod 122.By triple motion meter D3 and the 4th
Move meter D4 and measure trocar sheath 110 and the inner guide 120 relative displacement in center of gravity, thus determine whether to determine trocar sheath 110
Collisionless, the air gap deficiency is had to cause problems such as puncturing in earthquake with inner guide 120.
In the present embodiment, described the first displacement meter D1, the second displacement meter D2, described triple motion meter D3 and described
Four displacement meter D4 are three direction displacement sensor, for measuring wall bushing 100 at described X to, described Y-direction and described
The positional value of Z-direction.
As shown in Figure 6, in the present embodiment, present invention additionally comprises strain gauge means, described strain gauge means includes
It is located at the first strain gauge S1 of trocar sheath 110 outer surface and is located at the second strain gauge S2 of described inner guide 120 outer surface, respectively
In order to assess trocar sheath 110 and the strain of inner guide 120 and deformation, so that it is determined that the shock strength of test sample.
Specifically, two described first strain gauges S1 are respectively arranged on described first sleeve 111 near one end of transition tank 130
With the second sleeve pipe 112 near one end of transition tank 130.Place owing to being connected with transition tank 130 on wall bushing 100 is antidetonation
The weakest link, arranges strain measurement element in this place, both can reach the effect of test strain, and can save again and test into
This.As shown in Fig. 7 (a) and Fig. 7 (b), each first strain gauge S1 all includes that four three-dimensional strain rosette S11 (are arranged by three-dimensional
Three foil gauges composition), four described three-dimensional strain rosette S11 are evenly arranged along the periphery of wall bushing 100, and each three
To strain rosette S11 for measuring this wall bushing 100 strain value in X-direction, Y-direction and Z-direction, invention achieves comprehensively
Ground measures wall bushing 100 stress and the effect of deformation.
As shown in Fig. 6, Fig. 8 (a) and Fig. 8 (b), the second described strain gauge S2 is located at the first guide rod 121 near transition tank
One end of 130 and the second guide rod 122 are near one end of transition tank 130.Each second strain gauge S2 includes four longitudinal strain sheets
S21, four longitudinal strain sheet S21 circumferences are evenly arranged, and foil gauge S21 is used to measure wall bushing 100 in Z side longitudinally in each
Strain value upwards.
Preferably, present invention additionally comprises controller, described vibration table 200, described acceleration measurement device, described displacement are surveyed
Amount device and described strain gauge means are all electrically connected with described controller.Control vibration table 200 by controller to start, add
Acceleration responsive measured by velometer, displacement measured by displacement meter and strain gauge measures strain, and surveyed data are analyzed meter simultaneously
Calculate, and then can realize whole test device is automatically controlled and calculated.In the present embodiment, each measuring point accelerometer,
Displacement meter and strain gauge are all connected with controller, in order to be determined clearly the anti-seismic performance of wall bushing 100 corresponding site.
Present invention also offers a kind of extra-high voltage direct-current and be combined shock test method inside and outside wall bushing 100, including following
Step:
Wall bushing 100 sample is arranged on installing plate 400；
Table top 210 at vibration table 200 arranges the first accelerometer A1, and support beam 310 is arranged the second accelerometer A2,
Arrange the 3rd accelerometer A3 on trocar sheath 110, inner guide 120 is arranged the 4th accelerometer A4, installing plate 400 is arranged the
Five accelerometer A5；Table top 210 at vibration table 200 arranges the first displacement meter D1, and support beam 310 is arranged the second displacement meter
D2, trocar sheath 110 outer surface arranges triple motion meter D3；The first strain gauge S1 and inner guide is arranged at trocar sheath 110 outer surface
120 outer surfaces arrange the first strain gauge S2；
Vibration on Start-up platform 200；
First accelerometer A1, the second accelerometer A2, the 3rd accelerometer A3, the 4th accelerometer A4 and the 5th accelerate
Degree meter A5 gathers vibration table 200, support beam 310, trocar sheath 110, inner guide 120 and the accekeration of installing plate 400 respectively；The
One displacement meter D1, the second displacement meter D2 and triple motion meter D3 gather vibration table 200, support beam 310 and trocar sheath 110 respectively
Shift value；First strain gauge S1 and the second strain gauge S2 gather the strain value of wall bushing 100 outer surface respectively；
Controller accekeration, shift value and strain value to being surveyed is analyzed processing, in order to determine under actual condition
The anti-seismic performance of wall bushing 100.
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.
Claims (10)
1. extra-high voltage direct-current is combined a shock test device inside and outside wall bushing, and this wall bushing includes trocar sheath and is located at institute
State the inner guide in trocar sheath, it is characterised in that include acceleration measurement device, support, the installing plate be located on described support
With the vibration table being located under described bracket bottom, described support is provided with the support beam supporting described installing plate, and described installing plate is offered
Having the installing hole passed for wall bushing, described acceleration measurement device includes the first acceleration being located on described vibration table
Meter, the second accelerometer, the 3rd accelerometer being located on this trocar sheath be located in described support beam and be located at described in lead
The 4th accelerometer on bar.
Extra-high voltage direct-current the most according to claim 1 is combined shock test device inside and outside wall bushing, and this wall bushing is also
Including transition tank, described trocar sheath includes first sleeve and the second sleeve pipe being positioned at described transition tank two ends, described inner guide bag
Include the first guide rod and the second guide rod being positioned at described transition tank two ends, it is characterised in that described 3rd accelerometer and described
The four equal at least two of accelerometer, the center of gravity of described first sleeve and the center of gravity of described second sleeve pipe are equipped with described
Three accelerometers, the center of gravity of described first guide rod and the center of gravity of described second guide rod are equipped with the 4th accelerometer.
Extra-high voltage direct-current the most according to claim 2 is combined shock test device inside and outside wall bushing, it is characterised in that institute
State first sleeve near one end of described transition tank, described first sleeve is away from one end of described transition tank, described second sleeve pipe
It is equipped with described 3rd accelerometer away from one end of described transition tank near one end of described transition tank and described second sleeve pipe.
Extra-high voltage direct-current the most according to claim 1 is combined shock test device inside and outside wall bushing, it is characterised in that institute
State the 5th accelerometer that acceleration measurement device also includes being located on described installing plate.
Extra-high voltage direct-current the most according to claim 1 is combined shock test device inside and outside wall bushing, it is characterised in that also
Including displacement measuring device, institute's displacement measurement device includes the first displacement meter being located on described vibration table, is located at described
The second displacement meter on support beam and the triple motion meter being located on described trocar sheath.
Extra-high voltage direct-current the most according to claim 5 is combined shock test device inside and outside wall bushing, and this wall bushing is also
Including transition tank, described trocar sheath includes first sleeve and the second sleeve pipe being located at described transition tank two ends, it is characterised in that institute
State triple motion and be calculated as multiple, described first sleeve near one end of described transition tank, described first sleeve away from cross described mistake
Cross one end of tank, the center of gravity of described first sleeve, described second sleeve pipe near one end of described transition tank, described second sleeve pipe
Center of gravity away from one end and described second sleeve pipe of crossing described transition tank is equipped with described triple motion meter.
The most according to claim 1 or 5, extra-high voltage direct-current is combined shock test device inside and outside wall bushing, and its feature exists
In, also include that strain gauge means, described strain gauge means include being located at the first strain gauge of the outer surface of described trocar sheath
The second strain gauge with the outer surface being located at described inner guide.
Extra-high voltage direct-current the most according to claim 7 is combined shock test device inside and outside wall bushing, and this wall bushing is also
Including transition tank, described trocar sheath includes first sleeve and the second sleeve pipe being positioned at described transition tank two ends, described inner guide bag
Include the first guide rod and the second guide rod being positioned at described transition tank two ends, it is characterised in that described strain is calculated as at least two, described
First sleeve is equipped with described first near one end of described transition tank and described second sleeve pipe near one end of described transition tank
Strain gauge, described first guide rod is all provided with near one end of described transition tank near one end of described transition tank and described second guide rod
There is described second strain gauge.
Extra-high voltage direct-current the most according to any one of claim 1 to 6 is combined shock test device inside and outside wall bushing, its
It is characterised by, also includes that controller, described vibration table and described acceleration measurement device are all electrically connected with described controller.
10. an extra-high voltage direct-current is combined shock test method inside and outside wall bushing, it is characterised in that comprise the following steps:
Being installed on a mounting board by wall bushing sample, this installing plate is located in the support beam of support；
Table top at vibration table arranges the first accelerometer, arranges the second accelerometer in support beam, arranges on trocar sheath
3rd accelerometer, arranges the 4th accelerometer on inner guide；
Vibration on Start-up platform；
First accelerometer, the second accelerometer, the 3rd accelerometer and the 4th accelerometer gather vibration table, support respectively
The accekeration of beam, trocar sheath and inner guide；
It is analyzed institute's measuring acceleration value processing, in order to determine the anti-seismic performance of this wall bushing.
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