CN107941444A - A kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload - Google Patents
A kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload Download PDFInfo
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- CN107941444A CN107941444A CN201810020869.0A CN201810020869A CN107941444A CN 107941444 A CN107941444 A CN 107941444A CN 201810020869 A CN201810020869 A CN 201810020869A CN 107941444 A CN107941444 A CN 107941444A
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- 238000001816 cooling Methods 0.000 title claims abstract description 51
- 238000002955 isolation Methods 0.000 claims abstract description 44
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 21
- 239000000446 fuel Substances 0.000 claims abstract description 13
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 76
- 230000005484 gravity Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002474 experimental method Methods 0.000 claims description 11
- 230000001133 acceleration Effects 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000005119 centrifugation Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000012356 Product development Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- General Physics & Mathematics (AREA)
- Testing Of Balance (AREA)
- Centrifugal Separators (AREA)
Abstract
The present invention relates to a kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload, including shake table stage body, power amplifier, switch board, cooling and fueller, power amplifier remote control device, centering remote control device, main frame, horizontal anti-overturning devices, stage body stage body oil gas isolation mounting, static pressure supporting device, oil return apparatus, shake table stent.It uses air-fuel mixture spring assembly vibration isolation, hermetically sealed hydrostatic bearing support level bearing structure is used to improve jigging platform moving coil table top resistance to capsizing, hydrostatic bearing oil return under the conditions of high overload is realized by scavenge oil pump, and determines the medium-and-large-sized water-cooling vibration platform system Water-cooled cabinet installation site used on centrifuge.The medium-and-large-sized Water-cooling vibration pilot system of the anti high overload solves the limitation that centrifugation plus vibration rig in the past are only capable of carrying out subsized specimen vibration plus overload test, greatly improves Centrifugal vibration integrative battle effectiveness.
Description
Technical field
The present invention relates to a kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload, suitable for Centrifugal Environment, belong to and shake
Product development field under the dynamic combinational environment with overload.
Background technology
Dynamic environmental test equipment is mainly used for simulating the reality of the various products such as space flight, aviation, ship, automobile, high ferro
Border use environment.Wherein, shake table is mainly used for simulating the vibration environment of various product, and centrifuge is mainly used for simulating all kinds of productions
The overload environment of product.
For Aeronautics and Astronautics equipment, it is generally worked in compound dynamic environment.Such as rocket, satellite, fighter plane etc. are big
When part space equipment transmitting or recycling, it is operated under vibration and high overload while the combinational environment of effect.It is put to the test and sets in the past
Two kinds of environment, are generally separately examined the reliability of test specimen by standby limitation, i.e., according to its use condition, individually carry out vibration test
With centrifugation overload test, on the one hand such case is difficult to understand influence of the real ambient conditions of product to test specimen reliability, separately
On the one hand, it is greatly reduced the efficiency of product development.In order to which real use environment is completely exposed to these by test method
The influence of product reliability, it is necessary to carry out the reliability of such product with overloading compound dynamic environmental test equipment using vibration
Experiment, more really to simulate the integrated environment residing for space equipment.Therefore, research vibration, overload combined environment testing are set
Standby to have great significance, it can more accurately predict what cannot be exposed in single vibration or overload environmental test
Incipient fault, is conducive to improve the use reliability of Aeronautics and Astronautics equipment.
At present, electric vibration table key technology of the Centrifugal vibration platform thrust installed on centrifuge no more than 5.5 tons obtains
To breakthrough, and successfully develop for centrifuging plus the testing equipment of vibration, its type of cooling cannot meet using air-cooled
Demand of the medium-and-large-sized test specimen to centrifugation plus vibration test.
The existing air-cooled low thrust electric vibration table on centrifuge is oriented to for air-cooled, linear bearing；To from
The vibration that scheming produces is smaller, without vibration isolation between shake table and centrifuge；Test specimen quality and size are smaller thereon, and test specimen is using straight
Connect hung type.The air-cooled low thrust electric vibration table causes installation and design of the medium-and-large-sized shake table on centrifuge to exist newly
Under the conditions of needing the difficult point and key technology, such as high overload that break through, moving-coil is oriented to hydrostatic bearing oil return and is in zero pressure, is revolving
On the centrifuge turned, fluid is subject to larger centrifugal force to act on, that is, is subject to the centrifugation away from spindle central (oil return slip ring) direction
Power, can not normal oil return；Medium-and-large-sized shake table stage body quality is generally more than 5 tons, in the high overload condition of big centrifugal acceleration
Under, stage body centrifugal force is up to hundreds of tons, and the vibration of stage body is isolated with centrifuge, and vibration absorber needs to realize small rigidity at the same time
And big carrying, common air spring, mechanical spring can not meet its requirement at all；Table top resistance to capsizing is to carry out larger examination
The important indicator of part vibration test, the horizontal sliding table structure on ground is under the influence of centrifugal force, it may occur however that get rid of oil, can not oil return
The problems such as.For this reason, it is necessary to solution is provided to install every key technology of medium-and-large-sized shake table on centrifuge, to meet
The centrifugation of larger test specimen adds vibration integrated environmental test demand.
The content of the invention
(1) technical problems to be solved
For above-mentioned deficiency of the prior art, the present invention proposes a kind of medium-and-large-sized Water-cooling vibration experiment system of anti high overload
System, it uses air-fuel mixture spring assembly to realize vibration isolation, uses hermetically sealed hydrostatic bearing support level bearing structure to shake to improve
Dynamic platform moving-coil table top resistance to capsizing, bearing oil return is depressured under the conditions of realizing high overload by scavenge oil pump, and is determined on centrifuge
The medium-and-large-sized water-cooling vibration platform system Water-cooled cabinet installation site used.The medium-and-large-sized Water-cooling vibration pilot system solution of the anti high overload
Conventional centrifugation of having determined adds vibration rig to be only capable of carrying out subsized specimen the limitation of vibration plus overload test, greatly improves centrifugation
Vibration integrated test capability.
(2) technical solution
A kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload of the present invention includes electric vibration table stage body, shake table
Stent, stage body oil gas isolation mounting, horizontal anti-overturning devices, static pressure supporting device, scavenge oil pump, power amplifier, vibration control
Instrument, cooling and fueller, remote control.
Wherein, transferred by shake table stent between shake table stage body and centrifuge, filled using the vibration isolation of stage body oil gas
Vibration isolation is put, to ensure under the conditions of high overload, big carrying is realized by high pressure oil, Low rigidity is realized by inflating in advance.Stage body oil
Air bound vibrating device includes four sets of vibration isolation hydraulic cylinders, mounting base, axis pin, accumulators, and a set of stage body position detecting device, accumulation of energy
Device mounting bracket, position control and oil distribution device.Four vibration isolation hydraulic cylinder oil circuits are in parallel, are controlled from slip ring end through position and divide oil
Device carries out fuel feeding, and each vibration isolation hydraulic cylinder is connected by screw with shake table stage body, vibration isolation hydraulic cylinder and shake table stent it
Between, connected by one group of mounting base and axis pin, shake table stent is connected with centrifuge by attachment screw, shake table stent front end
Withstand in the shake table bearing structure of centrifuge arm front end, centrifugal force suffered by shake table passes through vibration isolation hydraulic cylinder, axis pin, mounting base
Shake table stent is delivered to, and shake table deformation of timbering is limited by the shake table bearing structure of centrifuge arm, often covers vibration isolation liquid
Cylinder pressure is connected with accumulator respectively, also can determine whether accumulator corresponds with vibration isolation hydraulic cylinder according to accumulator volume, or
It is to use one-to-many, many-to-one mode.It can effectively reduce what vibration produced centrifuge using stage body oil gas isolation mounting
Influence, when Design of Centrifuge considers vibration isolation, shake table also can be directly connected by shake table without using vibration isolation with centrifuge arm.
During work, stage body position detecting device will be controlled according to the location of shake table stage body and divide oil by position
The oil inlet and oil return of device control vibration isolation hydraulic cylinder adjust its present position, ensure that shake table stage body and shake table stent be not direct
Contact, the program can not only realize the isolating technique between shake table and centrifuge, also ensure that bonding strength.
Horizontal anti-overturning devices include horizontal stand, centre-of gravity shift fixture, hermetically sealed T-shaped hydrostatic bearing, its composition form
Different from ordinary construction, the common horizontal sliding table that ground uses is mainly by adapter, slide plate, fixture, stent and bearing, open
Fuel tank etc. forms, and adapter, moving-coil, slide plate are connected by screw respectively, and under the action of the centrifugal force, opening oil tank is easily got rid of
Oily phenomenon, easily causes the situation that horizontal sliding table can not work.And carried in this programme using hermetically sealed T-shaped hydrostatic bearing, each
Bearing is independent sealed, and bottom is connected by screw with horizontal stand, prevents work and gets rid of oily situation.Meanwhile in high centrifugal acceleration
Under effect, the test specimen installed in horizontal sliding table table top is acted on be subject to centrifugal force, when test specimen center of gravity and thrust are not put down same
During face, very big tilting moment will be produced, cause hermetically sealed T-shaped hydrostatic bearing pressure excessive and easily damaged.It is and of the invention
In, adapter, slide plate, fixture three parts are designed as centre-of gravity shift fixture, and this structure design can not only reduce connection, more important
, the position of centre of gravity of test specimen can be adjusted by structure design, the center of gravity of motion parts is overlapped as far as possible with moving-coil center, i.e.,
By adjusting the position relationship of test specimen center of gravity and thrust, at utmost reduce tilting moment.
In order to which shake table improves resistance to capsizing, general moving-coil is oriented to using straight line hydrostatic bearing, water of the present invention
Cold shake table use straight line hydrostatic bearing be oriented to static pressure supporting device, centrifugal acceleration effect under, its hydraulic oil be subject to from
Mental power function can not be back in the oil return slip ring at pivoted arm center from the shake table of pivoted arm distal end, come for horizontal anti-overturning devices
Say, hermetically sealed hydrostatic bearing oil return there are it is same the problem of.This programme designs an oil return box, and oil return box installation site should ensure that
Hydraulic oil after bearing pressure release flows into oil return box naturally, and installs scavenge oil pump, the oil return close to the position of shake table at arm end
Pump establishes pressure after hydraulic oil is sucked and sends back to pivoted arm center, is looped back to by cunning in the fuel tank of cooling and fueller.
In addition, for the medium-and-large-sized water-cooling vibration platform system used on centrifuge, supporting Water-cooled cabinet, water are required to
Refrigerator is generally directly connected with the sound circle water inlet pipe and water outlet pipe of shake table, in this scheme by Water-cooled cabinet, oil sources be placed on ground rather than
On centrifuge, the water supply of shake table cooling water from the ground cooling and fueller being placed on outside Centrifuge Room through water supply slip ring to
Shake table, returns in the water tank of cooling and fueller after being cooled down to shake table sound circle etc. through backwater slip ring.Shake table
Fuel feeding is straight through vibration experiment on fuel feeding slip ring to centrifuge from the ground cooling being placed on outside Centrifuge Room and fueller
In line hydrostatic bearing, hermetically sealed hydrostatic bearing and vibration isolation hydraulic cylinder, oil return returns to the oil of cooling and fueller through oil return slip ring
In case, the pressure of oil sources and Water-cooled cabinet, traffic protection are connected by signal slip ring with power amplifier, and safety prison is realized in power amplifier is long-range
Survey.
(3) beneficial effect
Compared with prior art, the invention has the advantages that：
1st, using cooling by water mode, cooling effectiveness is high, it can be achieved that more high thrust, and shake table water cooling and fuel feeding are filled
Placement location realizes the water supply of cooling water by neatly ring and backwater, realizes by cunning ring the fuel feeding of hydraulic oil and return on ground
Oil, it is opposite that water cooling and fueller are placed on centrifuge, its design requirement is greatly reduced, makes system work safer
Reliably.
2nd, it can adjust the position relationship of test specimen center of gravity and thrust using the structure type of variable height adapter, at utmost
Reduce the actual tilting moment of experiment；
3rd, the stage body isolation mounting used can meet big bearing requirements under the conditions of high centrifugal acceleration, have good vibration damping
Effect, can reduce influence of vibration when shake table works to centrifuge, and connection mode is simple, reliable.
4th, using horizontal support table top install test specimen, and horizontal bearing structure solve the problems, such as to get rid of using hermetically sealed bearing it is oily,
It is safe and reliable, practical, it can meet that larger test specimen produces the test requirements document of big eccentric moment.
5th, using scavenge oil pump by the hydraulic oil suction pump of bearing outlet no pressure, pressure oil output makes it smoothly to return to
Pivoted arm center, solution can not problem of oil return.
Brief description of the drawings
A kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload of Fig. 1 present invention is on centrifuge along arm mounting arrangements
Schematic diagram.
A kind of stereogram of the medium-and-large-sized Water-cooling vibration pilot system of anti high overload of Fig. 2 present invention.
In figure, 1- vibration experiments, 1.1- shake tables stage body, 1.2- power amplifiers, 1.3- switch boards, 1.3.1- shake
Dynamic controller, 1.3.2- centralising devices, 1.4- coolings and fueller, 1.5- power amplifiers remote control device, 1.6 centerings are far controlled
Device, 1.7- main frames, the horizontal anti-overturning devices of 1.8-, 1.8.1- horizontal stands, the hermetically sealed hydrostatic bearings of 1.8.2-,
1.8.3- centre-of gravity shift fixture, 1.9- stage body oil gas isolation mounting, 1.9.1- vibration isolation hydraulic cylinder, 1.9.2- mounting bases, 1.9.3-
Axis pin, 1.9.4- accumulators, 1.9.5- stage bodies position detecting device, 1.9.6- accumulators mounting bracket, the control of 1.9.7- positions
And oil distribution device, 1.10- static pressure supporting devices, 1.11- oil return apparatus, 1.11.1- oil return boxes, 1.11.2- scavenge oil pumps, 1.12-
Shake table stent, 2- centrifuges, 2.1- centrifuge arms, 2.1.1- shake tables bearing structure, the horizontal anti-overturning devices of 2.1.2- are held
Carry structure, 2.2- slip ring systems, 2.3- centrifuges center of rotation, 3- acceleration transducers, 4- test specimens.
Embodiment
A kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload of the present invention,
As shown in Figure 1, a kind of medium-and-large-sized Water-cooling vibration pilot system 1 of anti high overload of the present invention includes shake table
Stage body 1.1, power amplifier 1.2, switch board 1.3, cooling and fueller 1.4, power amplifier remote control device 1.5, centering
Remote control device 1.6, main frame 1.7, horizontal anti-overturning devices 1.8, stage body oil gas isolation mounting 1.9, static pressure supporting device
1.10th, oil return apparatus 1.11, shake table stent 1.12；Wherein, switch board 1.3 is by vibration controller 1.3.1, centralising device
1.3.2 composition；Horizontal anti-overturning devices 1.8 are by horizontal stand 1.8.1, hermetically sealed hydrostatic bearing 1.8.2, centre-of gravity shift fixture
1.8.3 composition；Stage body oil gas isolation mounting 1.9 is by vibration isolation hydraulic cylinder 1.9.1, mounting base 1.9.2, axis pin 1.9.3, accumulator
1.9.4, stage body position detecting device 1.9.5, accumulator mounting bracket 1.9.6, position control and oil distribution device 1.9.7 compositions；
Oil return apparatus 1.11 is made of oil return box 1.11.1 and scavenge oil pump 1.11.2.
The vibration experiment is arranged in Centrifuge Room and outside Centrifuge Room in the two spaces, in Centrifuge Room
Interior, the vibration experiment 1 is installed on the distal end of centrifuge arm 2.1 by shake table stent 1.12, the two is connected by screw
Connect；2.1 outer end of centrifuge arm sets shake table bearing structure 2.1.1 and horizontal anti-overturning devices bearing structure 2.1.2, shake table
Bearing structure 2.1.1 bears the centrifugal force of shake table stage body 1.1, shake table stent 1.12 and stage body oil gas isolation mounting 1.9；Water
Flat anti-overturning devices bearing structure 2.1.2 bears the centrifugal force of horizontal anti-overturning devices 1.8.
Shake table stage body 1.1 uses water-cooling electric shake table, between the shake table stage body 1.1 and shake table stent 1.12
Stage body oil gas isolation mounting 1.9 is installed, accumulator mounting bracket 1.9.6 is installed on centrifuge horn 2.1, at centrifuge center
Position installation site control and oil distribution device 1.9.7；Horizontal anti-overturning devices 1.8 are installed on outside the table top of shake table stage body 1.1
Side, the positional symmetry against centrifuge center of rotation 2.3 set power amplifier 1.2 and switch board 1.3, vibration controller
1.3.1 and centralising device 1.3.2 is installed on inside switch board 1.3.Power amplifier remote control device is placed outside Centrifuge Room
1.5th, centering remote control device 1.6, main frame 1.7, cooling and fueller 1.4.
The centre-of gravity shift distance of the centre-of gravity shift fixture 1.8.3 is determined according to experiment actual parameter, makes its center of gravity with shaking
Dynamic platform moving-coil table top center of gravity overlaps.
Slip ring system 2.2 is made of neatly ring, cunning ring, electric power slip ring, signal slip ring, optical fiber slip ring, it is centrifuge
Indoor offer power supply, hydraulic oil and cooling water, and realize the communication in Centrifuge Room and outside Centrifuge Room.Wherein, electric power slip ring
For the indoor power amplifier 1.2 of centrifuge, vibration controller 1.3.1, centralising device 1.3.2, scavenge oil pump 1.11.2 power supplies.Letter
Number slip ring realizes power amplifier remote control device 1.5, centering remote control device 1.6 and the indoor power of centrifuge outside Centrifuge Room
Communication between amplifier 1.2, centralising device 1.3.2.Optical fiber slip ring realizes main frame 1.7 and centrifuge outside Centrifuge Room
The communication of indoor vibration controller 1.3.1.Neatly ring and cunning ring realize cooling and fueller 1.4 and peace outside Centrifuge Room
Water supply backwater and fuel feeding oil return between the indoor shake table of centrifuge, by the cooling water in cooling and fueller 1.4
Be transported to the sound circle of shake table stage body 1.1, by hydraulic oil through position control and oil distribution device 1.9.7 adjustment pressure after it is defeated respectively
It is sent to hermetically sealed hydrostatic bearing 1.8.2, static pressure supporting device 1.10 and vibration isolation hydraulic cylinder 1.9.1.Often cover vibration isolation hydraulic cylinder 1.9.1
Oil circuit unicom is carried out with accumulator 1.9.4 respectively, determines whether it is one a pair of with vibration isolation hydraulic cylinder according to accumulator 1.9.4 capacity
Should, specifically, one-to-many, many-to-one mode can be used, this programme uses four sets of vibration isolation hydraulic cylinder 1.9.1, and accumulator
1.9.4 it is two pair one of mode between vibration isolation hydraulic cylinder 1.9.1.Wherein, the hermetically sealed hydrostatic bearing 1.8.2 is T-shaped, its
Quantity and installation site can be according to actual conditions flexible assemblings.
A kind of application method of the medium-and-large-sized Water-cooling vibration pilot system of anti high overload of the present invention:Before work, by test specimen 4
It is installed on centre-of gravity shift fixture 1.8.3, vibration isolation hydraulic cylinder 1.9.1 is calculated under the conditions of centrifugal acceleration according to test parameters
Operating pressure, inflates the gas chamber of accumulator 1.9.4 in advance, then will be installed on the indoor power amplifier 1.2 of centrifuge,
The power supply opening of vibration controller 1.3.1 and centralising device 1.3.2, while open the line related outside Centrifuge Room and fuel feeding system
System, makes cooling and fueller 1.4 and scavenge oil pump 1.11.2 start to work, carries out cooling water circulation, static pressure supporting device 1.10
And hermetically sealed hydrostatic bearing 1.8.2 carries out fuel feeding and oil return, reaches normal operating conditions.Start to work, pass through main frame
1.7 set test parameters, control gain by power amplifier remote control device 1.5, then start centrifuge 2, centrifuge 2 is run
During, by centering remote control device 1.6 and position control and oil distribution device 1.9.7 control moving-coils position, while by adjusting
Vibration isolation hydraulic cylinder 1.9.1's floats it into fuel-displaced to adjust the position of shake table stage body 1.1.In the course of work, vibration control
Instrument 1.3.1, power amplifier 1.2, acceleration transducer 3, the close loop control circuit of vibration controller 1.3.1 are in Centrifuge Room
Carry out, and cooling and fueller 1.4 are placed on outside Centrifuge Room.
Claims (9)
1. the medium-and-large-sized Water-cooling vibration pilot system of a kind of anti high overload, it is characterised in that including shake table stage body, power amplification
Device, switch board, cooling and fueller, power amplifier remote control device, centering remote control device, main frame, level, which resist, inclines
Coating device, stage body oil gas isolation mounting, static pressure supporting device, oil return apparatus, shake table stent；Wherein, switch board is controlled by vibration
Instrument processed, centralising device composition；Horizontal anti-overturning devices are made of horizontal stand, hermetically sealed hydrostatic bearing, centre-of gravity shift fixture；Platform
Body oil gas isolation mounting is by vibration isolation hydraulic cylinder, mounting base, axis pin, accumulator, stage body position detecting device, accumulator installation branch
Frame, position control and oil distribution device composition；Oil return apparatus is made of oil return box and scavenge oil pump；
The vibration experiment is arranged in Centrifuge Room and outside Centrifuge Room in the two spaces, in Centrifuge Room, institute
The distal end that vibration experiment is installed on centrifuge arm by shake table stent is stated, the two is connected by screw；Outside centrifuge arm
End sets shake table bearing structure and horizontal anti-overturning devices bearing structure, shake table bearing structure to bear shake table stage body, shake
The centrifugal force of dynamic platform stent and stage body oil gas isolation mounting；Horizontal anti-overturning devices bearing structure bears horizontal anti-overturning devices
Centrifugal force.
A kind of 2. medium-and-large-sized Water-cooling vibration pilot system of anti high overload as claimed in claim 1, it is characterised in that shake table
Using water-cooling electric shake table, stage body oil gas isolation mounting is installed between the shake table stage body and shake table stent, is being centrifuged
Accumulator mounting bracket is installed, installation site control and oil distribution device in centrifuge center on machine horn；Horizontal antidumping
Device is installed on the outside of the table top of shake table stage body, and the positional symmetry against centrifuge center of rotation sets power amplifier and control
Cabinet processed, vibration controller and centralising device are installed on inside switch board；Placed outside Centrifuge Room power amplifier remote control device,
Centering remote control device, main frame, cooling and fueller.
A kind of 3. medium-and-large-sized Water-cooling vibration pilot system of anti high overload as claimed in claim 2, it is characterised in that slip ring system
System is made of neatly ring, cunning ring, electric power slip ring, signal slip ring, optical fiber slip ring, it is offer power supply, hydraulic pressure in Centrifuge Room
Oil and cooling water, and realize the communication in Centrifuge Room and outside Centrifuge Room；Wherein, electric power slip ring is the indoor power of centrifuge
Amplifier, vibration controller, centralising device, scavenge oil pump power supply；Signal slip ring realizes that the power amplifier outside Centrifuge Room is far controlled
Communication between device, centering remote control device and the indoor power amplifier of centrifuge, centralising device；Optical fiber slip ring realizes centrifuge
The communication of outdoor main frame with the indoor vibration controller of centrifuge；Neatly ring and cunning ring are realized cold outside Centrifuge Room
But and fueller and the water supply backwater between the indoor shake table of centrifuge and fuel feeding oil return, will cooling and fuel feeding dress
Cooling water in putting is transported to the sound circle of shake table stage body, and hydraulic oil is divided after position controls and oil distribution device adjusts pressure
Hermetically sealed hydrostatic bearing, static pressure supporting device and vibration isolation hydraulic cylinder are not transported to.
A kind of 4. medium-and-large-sized Water-cooling vibration pilot system of anti high overload as claimed in claim 3, it is characterised in that often cover every
The hydraulic cylinder that shakes carries out oil circuit unicom with accumulator respectively, determines whether it is one a pair of with vibration isolation hydraulic cylinder according to accumulator volume
Should.
A kind of 5. medium-and-large-sized Water-cooling vibration pilot system of anti high overload as claimed in claim 4, it is characterised in that accumulator
It is corresponded manner two or two pair one a pair of with vibration isolation hydraulic cylinder.
6. the medium-and-large-sized Water-cooling vibration pilot system of a kind of anti high overload as claimed in claim 3, it is characterised in that described complete
It is T-shaped to seal hydrostatic bearing.
7. the medium-and-large-sized Water-cooling vibration pilot system of a kind of anti high overload as claimed in claim 1, it is characterised in that described heavy
The centre-of gravity shift distance of heart offset fixture is determined according to experiment actual parameter, makes its center of gravity and jigging platform moving coil table top center of gravity weight
Close.
8. a kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload using as described in any in claim 1~6 makes
With method, it is characterised in that before work, test specimen is installed on centre-of gravity shift fixture, vibration isolation hydraulic pressure is calculated according to test parameters
Operating pressure of the cylinder under the conditions of centrifugal acceleration, inflates the gas chamber of accumulator in advance, then will be installed on Centrifuge Room
The power supply opening of interior power amplifier, vibration controller and centralising device, at the same open the line related outside Centrifuge Room and
Oil supply system, makes cooling and fueller and scavenge oil pump start to work, and carries out cooling water circulation, static pressure supporting device and hermetically sealed
Hydrostatic bearing carries out fuel feeding and oil return, reaches normal operating conditions.
9. a kind of application method of the medium-and-large-sized Water-cooling vibration pilot system of anti high overload as claimed in claim 7, its feature
It is, the application method further comprises：Start to work, test parameters is set by main frame, passes through power amplification
Device remote control device controls gain, then starts centrifuge, in centrifuge operational process, passes through centering remote control device and position controls
And oil distribution device control moving-coil position, meanwhile, by adjusting vibration isolation hydraulic cylinder the position of shake table stage body is adjusted into fuel-displaced
Float it.In the course of work, the closed-loop control of vibration controller, power amplifier, acceleration transducer, vibration controller is returned
Road carries out in Centrifuge Room, and cooling and fueller are placed on outside Centrifuge Room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020869.0A CN107941444B (en) | 2018-01-10 | 2018-01-10 | High overload resistant medium-and-large-sized water-cooling vibration test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020869.0A CN107941444B (en) | 2018-01-10 | 2018-01-10 | High overload resistant medium-and-large-sized water-cooling vibration test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107941444A true CN107941444A (en) | 2018-04-20 |
| CN107941444B CN107941444B (en) | 2024-02-23 |
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| CN109264026A (en) * | 2018-11-14 | 2019-01-25 | 航宇救生装备有限公司 | Anti-G valve dynamic physical performance testing equipment |
| WO2021093026A1 (en) * | 2019-11-12 | 2021-05-20 | 苏州苏试试验集团股份有限公司 | Vibration centrifugal composite test apparatus and control method therefor |
| CN113701975A (en) * | 2021-10-08 | 2021-11-26 | 苏州苏试试验集团股份有限公司 | Flexible dynamic water guide device and vibration centrifugal test bed |
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| CN109264026A (en) * | 2018-11-14 | 2019-01-25 | 航宇救生装备有限公司 | Anti-G valve dynamic physical performance testing equipment |
| CN109264026B (en) * | 2018-11-14 | 2022-03-25 | 航宇救生装备有限公司 | Dynamic physical performance test equipment for load-resisting pressure regulator |
| WO2021093026A1 (en) * | 2019-11-12 | 2021-05-20 | 苏州苏试试验集团股份有限公司 | Vibration centrifugal composite test apparatus and control method therefor |
| CN113701975A (en) * | 2021-10-08 | 2021-11-26 | 苏州苏试试验集团股份有限公司 | Flexible dynamic water guide device and vibration centrifugal test bed |
| CN113701975B (en) * | 2021-10-08 | 2024-04-09 | 苏州苏试试验集团股份有限公司 | Flexible dynamic water guide device and vibration centrifugal test bed |
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