CN208459606U - A kind of pilot system of the ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field - Google Patents
A kind of pilot system of the ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field Download PDFInfo
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- CN208459606U CN208459606U CN201820825665.XU CN201820825665U CN208459606U CN 208459606 U CN208459606 U CN 208459606U CN 201820825665 U CN201820825665 U CN 201820825665U CN 208459606 U CN208459606 U CN 208459606U
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Abstract
The utility model provides a kind of pilot system of ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field, include: including force application apparatus, foundation structure, lead power device, ER fluid, rigidity controller, damping control apparatus, positive and negative pole plate, antiseepage tarpaulin and for connecting the connecting elements of force application apparatus and rigidity controller, foundation structure includes pedestal, table top and support column；It leads power device to be placed on table top, force application apparatus is placed on the pedestal of foundation structure；Leading power device includes leading power device, contact cylinder, level to lead power plate and lead power plate vertically；Rigidity controller is tubular structure, including stiffness reliability device, sheet annular spring and disk spring；Being fixed in for antiseepage paulin closed type is led inside power device lower part and stiffness reliability device；The force application apparatus includes the applicator of three different directions；Connecting elements top is fixedly connected with adjuster.The utility model can simultaneously adjustment spring multidirectional rigidity, can apply multi-point Ground Motion test carry out Artificial Boundaries simulation.
Description
Technical field
The utility model relates to structural earthquake simulator, refer in particular to be suitable for based on visco-elastic artificial boundary theory
The simulation of multi-point Ground Motion test.
Background technique
In recent decades, with the development of engineering technology, more and more longspan structure buildings are built.It is this kind of to build
Building structure object often carries important economy, culture and social function etc., therefore when earthquake disaster occurs, guarantees such knot
The safety and stability of structure have great importance.Wenchuan earthquake in 2008, Mianyang nine divisions of China in remote antiquity have just disposed tens of thousands of names in gymnasium
Masses suffering from disaster, this more allow engineering staff recognize large-span structure Aseismic Design significance.
For the seismic response analysis of large-span structure, need to take into account row wave effect during seismic spread, coherent effect
With local site effect etc., so time and the spatial variations of earthquake motion must be taken into consideration, then large-span structure is multi-support and multi-dimension
Earthquake motion excitation, and existing structural earthquake simulator is mainly based on shake table, is a kind of comprehensive high-tech product,
It is expensive, and most of is the multidimensional consistent excitation for being directed to earthquake motion, is unable to satisfy the earthquake motion examination of large-span structure instantly
Simulation is tested for the demand of time and Spatial Difference.
Specifically, visco-elastic artificial boundary is theoretical, convert the input of earthquake motion to act on it is equivalent on Artificial Boundaries
Load realizes wave motion input, effectively absorbs the seismic wave that ground finite field is radiated to infinite field, and can be good at simulating
The elastic recovery properties of the outer semi-infinite foundation of Artificial Boundaries, are based on this, existing earthquake simulator can not carry out Artificial Boundaries
Simulation, and the simulation of multi-point Ground Motion test can not be carried out simultaneously.Therefore for make one kind can ground foundation simulation it is artificial
Boundary, and it is able to carry out multi-point Ground Motion test, while manufacturing cost is low, the simple device of structure has greater significance.
Utility model content
The utility model provides a kind of experimental rig of ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field, the dress
Setting ground foundation simulation boundary and can realize stiffness and damping adjustable function, while realizing and inputting equivalent load on Artificial Boundaries.This
Utility model takes following technical scheme:
A kind of pilot system of the ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field, comprising: including force application apparatus,
Foundation structure is led power device, ER fluid, rigidity controller, damping control apparatus, positive and negative pole plate, antiseepage tarpaulin and is used to
Connect the connecting elements of force application apparatus and rigidity controller, which is characterized in that
The foundation structure includes pedestal, table top and support column；The table top is fixed on the base by the support column
Seat top；And the table top, which is equipped with, can accommodate the circular opening that rigidity controller lower part is pierced by, and lead power device and be placed in table top
On, force application apparatus is placed on the pedestal of foundation structure；
The power of the leading device is the tubular structure of lower openings, including leads power device, contact cylinder, level and lead power plate and lead vertically
Power plate；Leading power device includes leading power device lid, leading power device outer wall and what is be open below being secured within leads power device inner wall, the level
Lead power plate and it is described lead power plate vertically and be all fixed in lead power device outer wall；The contact cylinder, which is placed in, leads in power device inner wall；
The rigidity controller is tubular structure, is placed in contact cylinder, including stiffness reliability device, sheet annular spring
And disk spring；Stiffness reliability device is tubular structure, including being located at the control shaft at middle part, top, side wall and being located at lower part simultaneously
The adjuster being fixedly connected with control shaft offers outlet at the top of stiffness reliability device, also offered on side wall it is long and narrow go out
Mouthful, the sheet annular spring and described disk spring one end are placed in the stiffness reliability device, are connected respectively to control shaft
Lateral and top, the other end are pierced by by the outlet that the side wall and top of the stiffness reliability device open up respectively, around described rigid
It spends the side wall of controller and is placed on stiffness reliability device top；The outer end of the sheet annular spring is fixed in the contact
Cylinder inner wall；The bottom of disk spring is fixedly connected with disk；By rotating the adjuster of stiffness reliability device bottom, by part
The sheet annular spring and the part disk spring are screwed in and are compressed in the stiffness reliability device, in the lower part of control shaft
It is provided with antiseepage bearing；
The antiseepage tarpaulin closed type be fixed in it is described lead inside power device lower part and stiffness reliability device, antiseepage tarpaulin with
The outer periphery of antiseepage bearing is tightly connected, and is tightly connected with the inner periphery for leading power device inner wall, and ER fluid is located at by leading power device
In the cavity that inner wall and antiseepage tarpaulin surround；
The rigidity controller be located at antiseepage bearing upper part be placed in it is described lead in power device, and be immersed in electric current
Become in liquid, is pierced by positioned at antiseepage bearing low portion by the power of the leading device lower openings；
In the two sides of the power of the leading device inner wall, respectively there are one piece of accommodating spaces, for accommodating positive and negative pole plate；Damping control dress
It sets, for adjusting the size for loading the voltage on positive and negative pole plate；
The force application apparatus includes X living to applicator, Y-direction applicator, Z-direction applicator, the first movable platform and second
Moving platform, the first movable platform are placed in second movable platform, and the second movable platform is placed on foundation structure pedestal；It is described
Z-direction applicator is fixed in first movable platform, and force application rod is fixedly connected with the lower part of connecting elements；The X is to applying
Power device is fixed in second movable platform, and force application rod is horizontally fixed on the lateral plate of first movable platform, is used
In to the first movable platform apply X to power；The Y-direction applicator is fixed on the pedestal, and force application rod is horizontally fixed on
On the lateral plate of second movable platform, for applying the power of Y-direction to the second movable platform；Force of the X to applicator
The rectangular relationship of the force application rod of bar and Y-direction applicator；
The connecting elements top is fixedly connected with adjuster.
Preferably, the level leads power plate and leads power device genesis analysis described in, and horizontal nest is simultaneously fixed in and described leads power device
Outer wall；The power plate of leading vertically leads power device outer wall in cross distribution described in, is vertically fitted into and is fixed in the level and leads power plate
Interlayer.
The power device outer wall section of leading is circle, and leading power device inner wall section is square.The applicator in three directions
Structure is identical, and each applicator includes force application rod and is connected to the sleeve of force application rod by bearing, and positioning is fixed on sleeve
Axis, changes the orientation of force application rod by the positioning to locating shaft, and the force application rod of Z-direction applicator is vertical direction, X to applicator and
Y-direction applicator force application rod is horizontal direction.
The connecting elements includes the barrel-type casing for offering operation port and being placed in the first movable platform, connecting elements
Be laterally equipped with two pieces of protruding portions, two pieces of protruding portions are respectively disposed with the idler wheel being in contact with the barrel-type casing inner wall.
The utility model has the advantages and positive effects of:
One) by the adjuster of control rigidity controller bottom, part sheet annular spring and disk spring are screwed in
And be compressed in sheet stiffness reliability device and dish-shaped stiffness reliability device, change the length of external springs with this, realizes multidirectional rigid
Spend adjustable function.
Two) by adjusting pressure regulator, change the viscosity that electric field strength changes simultaneously ER fluid, be achieved in multidirectional damping
The controllable function of coefficient.
Three) utility model device design can adjust multidirectional rigidity and damping simultaneously, and realize that application is more at node
To equivalent load, multi-point Ground Motion test can be directly carried out.
Four) utility model device design form is simple, and cost of manufacture is lower, can be tested convenient for a large amount of manufactures.
Detailed description of the invention
Fig. 1 is utility model device front view.
Fig. 2 is utility model device left view.
Fig. 3 is the top view of basic structure and force application apparatus.
Fig. 4 is table top superstructure front view.
Fig. 5 is table top superstructure top view.
Fig. 6 is Z-direction applicator schematic three dimensional views.
Fig. 7 is that table top superstructure decomposes schematic three dimensional views.
In figure: 1, leading power device；101, power device lid is led；102, cylinder is contacted；103, power device is led；1031, power device inner wall is led；
1032, power device outer wall is led；104, power plate is led vertically；105, level leads power plate；106, accommodating space；2, ER fluid；3, rigidity
Control device；301, disk spring；302, sheet annular spring；303, stiffness reliability device；303a, hoop rigidity controller；
303b, longitudinal rigidity controller；303c, disk；304, antiseepage bearing；305, adjuster；306, controller closes capping；307, it controls
Axis processed；4, damping control apparatus；401, rectifier；402, power supply；403, pressure regulator；404, conducting wire；5, positive and negative pole plate；6, prevent
Seep tarpaulin；7, force application apparatus；701, X is to applicator；702, Y-direction applicator；703, Z-direction applicator；704, the first movable platform；
705, the second movable platform；706, connecting elements；7a, operation port；7b, idler wheel；7c, castor；7d, lateral plate；7e, force application rod；
7f, locating shaft；8, foundation structure；801, pedestal；802, support column；803, table top；
Specific embodiment
For the utility model content, feature and effect that can further appreciate that the utility model, the following examples are hereby given, and
Cooperate attached drawing.
The experimental rig of the ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field of the utility model is by following part
Composition: it leads power device 1, ER fluid 2, rigidity controller 3, damping control apparatus 4, positive and negative pole plate 5, antiseepage tarpaulin 6, apply
Power device 7 and foundation structure 8.
Detailed description are as follows for each structure:
The power of the leading device 1 generally tubular structure includes leading power device 103, contact cylinder 102, level to lead power plate 105 and erect
Directly lead power plate 104；Leading power device 103 includes below leading power device lid 101, the columnar power of leading device outer wall 1032 and being secured within
The square bodily form of opening leads power device inner wall 1031.The level lead power plate 105 and it is described lead power plate 104 vertically and be all fixed in lead power
Device outer wall 1032, the contact cylinder 102 are nested in described lead in power device 103；101 inner surfaces of the power of the leading device lid are smooth and screw
In 103 top of the power of leading device；It is described lead power device be 1032 section of outer wall be it is round, 1031 section of inner wall is the cylinder of square
Shape structure, and 103 upper end opening of the power of leading device is covered with the power of the leading device 101 and is sufficiently engaged；Simultaneously at 103 liang of the power of the leading device
There are two pieces of accommodating spaces 106 for side；Two pieces of accommodating spaces 106 are the flat rectangular of the two sides in the power of the leading device 103
Fluid chamber；The tubular structure that the contact cylinder 102 is sufficiently open for upper and lower end, and the inside and outside wall surface of the contact cylinder 102
It is smooth, and just it is nested in described lead inside power device 103；The level leads power plate 105 along 103 genesis analysis of the power of leading device,
Horizontal nest is simultaneously fixed in and described leads power device outer wall 1032；1032 walls outside the power of the leading device of power plate 104 of leading vertically are in ten
Word distribution is vertically fitted into and is fixed in the level and leads 105 interlayer of power plate.
The rigidity controller 3 includes stiffness reliability device 303, sheet annular spring 302 and disk spring 301；Institute
Stating stiffness reliability device 303 is tubular structure, and the sheet annular spring 302 and 301 one end of the disk spring are placed in described rigid
It in degree controller 303 and is separately fixed in control shaft 307 and disk 303c, the other end is respectively by the stiffness reliability device 303
The reserved outlet of side wall and top be pierced by, around the stiffness reliability device 303 side wall and be placed in the stiffness reliability device
On 303 tops.
The wherein stiffness reliability device 303 are as follows: longitudinal rigidity controller 303b is coaxially fixed in hoop rigidity controller
303a inner tip, 307 upper end of control shaft are mounted on the longitudinal rigidity controller 303b top center by bearing, control
Device processed closes capping 306 and is tightened on 303 bottom end of stiffness reliability device across the control shaft 307；The hoop rigidity controller 303a
For upper end closed, the tubular structure of lower ending opening, top surface and longitudinal rigidity controller 303b in hoop rigidity controller 303a
Joint is provided with the control mouth being pierced by for disk spring 301, there are screw thread at lower end outer wall, and hoop rigidity controller
There are the rectangle being pierced by for sheet annular spring 302 controls to stitch for 303b side wall；The longitudinal rigidity controller 303b is upper and lower
The hoop structure of end opening, the top half of inner wall are equipped with the screw thread being sufficiently engaged with disk spring 301, lower half light splitting
It is sliding, and the internal diameter of the lower half portion longitudinal rigidity controller 303b is slightly less than the internal diameter of top half；The control shaft 307 is generally
Cylindrical body, being located at longitudinal rigidity controller 303b and controller to close 306 segment sections of capping is in positive hexagonal column shape, and control shaft 307
Upper end hexagon section is cased with disk 303c, and lower end is equipped with the antiseepage bearing 304 that Anti-seeping technology was done on surface；Disk 303c
Center there are the hexagonal hole being fully engaged against with 307 upper end hexagon section of control shaft, and disk 303c side wall there are with longitudinal direction
The screw thread that the top stiffness reliability device 303b is fully engaged against；The controller close capping 306 and 305 center of adjuster all there are with institute
State the hexagonal hole that 307 lower end hexagon section of control shaft is fully engaged against；The outer end of the sheet annular spring 302 is fixed in
102 inner wall of contact cylinder；Controller in 303 bottom of stiffness reliability device closes 306 inner sidewalls of capping there are screw thread, for
Connecting elements installation.
Thus the rotation of the adjuster 305 of 3 bottom of rigidity controller, just will drive the rotation of the control shaft 307
Turn, the control of the sheet annular spring 302 is driven with this, while the rotation of the control shaft 307 also will drive the disk
The rotation of 303c, the disk 303c move up and down along by the longitudinal rigidity controller 303b inner thread, drive dish-shaped bullet
The control of spring 301.
6 closed type of antiseepage tarpaulin be fixed in it is described lead inside 1 lower part of power device and stiffness reliability device 303, antiseepage
The outer periphery of tarpaulin 6 and antiseepage bearing 304 is tightly connected, and is tightly connected with the inner periphery for leading power device inner wall 1031, and electric current becomes
Liquid 2 is located at by leading in the cavity that power device inner wall 1031 and antiseepage tarpaulin 6 surround.
The damping control apparatus 4 includes power supply 402, rectifier 401, pressure regulator 403 and conducting wire 404；The power supply
402, the positive and negative pole plate 5 is connected to become entirety by the conducting wire 404 by the rectifier 401, the pressure regulator 403.
The rigidity controller 3 be located at 304 upper part of antiseepage bearing be placed in it is described lead in power device 1, and be immersed in
In ER fluid 2, it is pierced by positioned at 304 low portion of antiseepage bearing by 1 lower openings of the power of leading device, while described positive and negative
5 plate of pole is inserted and fixed in the accommodating space 106 of 1 two sides of the power of leading device, and the damping control apparatus 4 is placed in institute
It states and leads outside power device 1 and welded with the positive and negative pole plate 5；The adjuster 305 of 3 bottom of rigidity controller is rotated at this time,
And part sheet annular spring 302 and part disk spring 301 are screwed in 305 side fixation hole of adjuster with nut tightening
And be compressed in the stiffness reliability device 303, to change the 303 external springs rigidity of stiffness reliability device；It adjusts simultaneously outer
It connects pressure regulator 403 to change the field strength between the positive and negative pole plate 5 and accordingly change the viscosity of the ER fluid 2, to control
Damped coefficient.
The force application apparatus 7 includes X to applicator 701, Y-direction applicator 702, Z-direction applicator 703, connecting elements
706, the first movable platform 704 and the second movable platform 705；The Z-direction applicator 703 is fixed on first movable platform
On 704, force application rod 7e is vertically fixed on 706 lower part of connecting elements by nut；The X is fixed on institute to applicator 701
It states in the second movable platform 705, and force application rod 7e is horizontally fixed on the lateral of first movable platform 704 by nut
Plate 7d；The Y-direction applicator 702 is fixed on the pedestal 801, and force application rod 7e is horizontally fixed on described second by nut and lives
The lateral plate 7d of moving platform 705；The X is rectangular to the force application rod 7e of applicator 701 and the force application rod 7e of Y-direction applicator 702
Relationship, and；First movable platform 704 is placed in second movable platform 705 simultaneously.
The Z-direction applicator 703, the X are utilized respectively bolt by applying to applicator 701 and the Y-direction applicator 702
The screw hole of power device bottom is fixed on first movable platform 704, second movable platform 705 and the pedestal 801.
About the X to applicator 701 and the Y-direction applicator 702 be by the Z-direction applicator 703 around locating shaft 7f
It is rotated by 90 ° to obtain in vertical plane, blending bolt is lateralling secure, and the direction of the force of the force application rod 7e is in horizontal plane at this time
It is interior；Force application rod 7e is done the output of power by hydraulic power source or motor control.
Wherein there are two pieces of lateral plate 7d, the lateral plate 7d lower edge and described in 704 two sides of the first movable platform
One movable platform, 704 lateral edge is affixed；Idler wheel 7b is transversely and horizontally arranged in the other two sides of first movable platform 704 simultaneously；
Castor 7c is arranged in first movable platform, 705 bottom end.
There are two pieces of lateral plate 7d in second movable platform, 705 two sides, and the lateral plate 7d lower edge and described second live
705 lateral edge of moving platform is affixed；Idler wheel 7b is transversely and horizontally arranged in the other two sides of second movable platform 705 simultaneously；It is described
Castor 7c is arranged in second movable platform, 705 bottom end.
706 upper opening of connecting elements and cylindrical, upper periphery wall has and the controller closes capping 306
The screw thread that inner sidewall is sufficiently engaged, and be tightened on controller and close 306 inner sidewalls of capping；In 706 side of connecting elements to having two
Block protruding portion arranges idler wheel 7b in each vertical levels of two pieces of protruding portions；The connecting elements surface is equipped with an operation port 7a,
Adjuster 305 is convenient for by the operation port 7a to control.
The foundation structure 8 includes pedestal 801, table top 803, support column 802；The table top 803 passes through the support column
802 are fixed on 801 top of pedestal；And 803 center of table top, which has, can accommodate what 3 lower part of rigidity controller was pierced by
Circular opening.
The force application apparatus 7 is that first movable platform 704, described second are respectively and fixedly installed to by applicator
In movable platform 705 and pedestal 801, the lateral plate of first movable platform 704 and second movable platform 705 is utilized
7d transfers the force to the connecting elements 706 and the rigidity controller 3, and via the stiffness reliability after adjusting
The comprehensive function of device 3 and the damping control apparatus 4 converts earthquake motion wave source to from the power of the leading device 1 to external diffusion
Act on the equivalent load at node.
The adjuster 305 for passing through 303 bottom of rotational stiffness controller as a result, changes rigidity situation, while utilizing damping control
Pressure regulator 403 in device 4 processed adjusts the size of voltage of the load on positive and negative pole plate 5, changes damping situation, realizes test
The simulation of basic Artificial Boundaries situation, and acted on simulated person's work boundary by the equivalent load that force application apparatus 2 applies, after
It successively transmits and is ultimately applied on test structure outward, with this model configuration-earthquake motive force interaction.
Embodiment one: it is theoretical based on visco-elastic artificial boundary, when carrying out structurally shaking the simulation of consistent excitation, such as
Small-sized building structure entirely can lead the affixed one piece of stiffener plate in 1 upper surface of power device in advance, and the building structure is being mounted on
In the stiffener plate or situation allows, and building structure can be directly mounted on to the upper surface of the utility model device.
Embodiment two: it is theoretical based on visco-elastic artificial boundary, carry out the test of structure multi-point Ground Motion when, such as greatly across
Bridge, can be used multiple utility model devices, and adjust and be imbedded in structure in advance the power device 1 of entirely leading in the utility model
Each supporting point inside, i.e., the bottom center of each bridge pier, then each bridge pier is mounted on table top.
It is as follows using the earthquake motion test procedure of utility model device:
(1) it for different by test works, select corresponding testing program and installs test model.
(2) rectifier 401, the logical and positive and negative pole plate 5 of pressure regulator 403 are connected to become entirety, and force is filled by conducting wire
It sets 7 to power on, while being connected to control system.(system can calculate required input by inputting a series of parameter
Equivalent load simultaneously controls force application apparatus 7 as required)
(3) rotation for passing through the adjuster 305 of 3 lower part of rigidity controller regulates and controls related stiffness parameters；Simultaneously using tune
Depressor 403 adjusts the field strength between positive and negative pole plate 5, regulates and controls related damping parameter.
(4) relative earthquake fluctuation parameters are inputted in numerical control system, while controlling the active force of different force application apparatus 7
Degree and action time, the action time of earthquake motion and the variability of action space are embodied, carrys out the input of simulating seismic motion wave source.
(5) validation test starts.
In the preferred scheme of one of the application, being fixed in for 6 closed type of antiseepage tarpaulin described leads 1 lower part of power device
Inside stiffness reliability device 303.Specifically, the antiseepage tarpaulin 6 has two difference annular in shape, using high-intensitive bonding
Agent leads 103 inner bottom surface of power device while being bonded in the stiffness reliability device described in being bonded in an antiseepage tarpaulin 6 just
303 lateral walls；Another antiseepage tarpaulin 6 is bonded in 303 inner sidewall of stiffness reliability device just while being bonded in described
307 lower part antiseepage bearing of control shaft, 304 side wall, and permeability-reducing admixture is filled in bonding place.
Preferably, the ER fluid 2 fills before 1 inside of the power of leading device, first to the entire rigidity
It control device 3 and leads 1 internal component surface of power device and does anti-corrosion treatment.
Preferably, the positive and negative pole plate 5 is placed in the accommodating space 106 for leading 1 two sides of power device, specifically,
Positive and negative pole plate 5 is first nested in rubber-covered bush inside and is placed in the accommodating space 106 again.
Preferably, the quantity of castor 7c and idler wheel 7b are according to the first movable platform 704 and second in the utility model
The size of movable platform 705 is set, while before on-test, and castor 7c and idler wheel 7b are after surface addition lubricant lubrication
It is tested again.
Although being described above in conjunction with preferred embodiment of the attached drawing to the utility model, the utility model is not
It is confined to above-mentioned specific embodiment, the above mentioned embodiment is only schematical, is not restrictive, ability
The those of ordinary skill in domain is not departing from the utility model aims and claimed under the enlightenment of the utility model
Under ambit, many forms can also be made, these are belonged within the protection scope of the utility model.
Claims (5)
1. a kind of pilot system of the ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field, comprising: including force application apparatus, base
Plinth structure leads power device, ER fluid, rigidity controller, damping control apparatus, positive and negative pole plate, antiseepage tarpaulin and for connecting
Connect the connecting elements of force application apparatus and rigidity controller, which is characterized in that
The foundation structure includes pedestal, table top and support column；The table top is fixed on the pedestal by the support column
Side；And the table top, which is equipped with, can accommodate the circular opening that rigidity controller lower part is pierced by, and lead power device and be placed on table top, apply
Power device is placed on the pedestal of foundation structure；
The power of the leading device is the tubular structure of lower openings, including leads power device, contact cylinder, level and lead power plate and lead power vertically
Plate；Leading power device includes leading power device lid, leading power device outer wall and what is be open below being secured within leads power device inner wall, and the level is led
Power plate and it is described lead power plate vertically and be all fixed in lead power device outer wall；The contact cylinder, which is placed in, leads in power device inner wall；
The rigidity controller is tubular structure, is placed in contact cylinder, including stiffness reliability device, sheet annular spring and dish
Shape spring；Stiffness reliability device is tubular structure, including be located at the control shaft at middle part, top, side wall and be located at lower part and with control
The adjuster that axis processed is fixedly connected offers outlet at the top of stiffness reliability device, and long and narrow outlet, institute are also offered on side wall
State sheet annular spring and described disk spring one end be placed in the stiffness reliability device, be connected respectively to the lateral of control shaft and
Top, the other end are pierced by by the outlet that the side wall and top of the stiffness reliability device open up respectively, around the stiffness reliability
It the side wall of device and is placed on stiffness reliability device top；The outer end of the sheet annular spring is fixed in the contact cylinder
Wall；The bottom of disk spring is fixedly connected with disk；It, will be described in part by rotating the adjuster of stiffness reliability device bottom
Sheet annular spring and the part disk spring are screwed in and are compressed in the stiffness reliability device, are arranged in the lower part of control shaft
There is antiseepage bearing；
The antiseepage tarpaulin closed type be fixed in it is described lead inside power device lower part and stiffness reliability device, antiseepage tarpaulin and antiseepage
The outer periphery of bearing is tightly connected, and is tightly connected with the inner periphery for leading power device inner wall, and ER fluid is located at by leading power device inner wall
In the cavity surrounded with antiseepage tarpaulin；
The rigidity controller be located at antiseepage bearing upper part be placed in it is described lead in power device, and be immersed in ER fluid
In, it is pierced by positioned at antiseepage bearing low portion by the power of the leading device lower openings；
In the two sides of the power of the leading device inner wall, respectively there are one piece of accommodating spaces, for accommodating positive and negative pole plate；Damping control apparatus,
For adjusting the size for loading the voltage on positive and negative pole plate；
The force application apparatus includes X flat to applicator, Y-direction applicator, Z-direction applicator, the first movable platform and the second activity
Platform, the first movable platform are placed in second movable platform, and the second movable platform is placed on foundation structure pedestal；The Z-direction
Applicator is fixed in first movable platform, and force application rod is fixedly connected with the lower part of connecting elements；The X is to applicator
Be fixed in second movable platform, force application rod is horizontally fixed on the lateral plate of first movable platform, for
First movable platform apply X to power；The Y-direction applicator is fixed on the pedestal, and force application rod is horizontally fixed on described
On the lateral plate of second movable platform, for applying the power of Y-direction to the second movable platform；Force application rod and Y of the X to applicator
To the rectangular relationship of force application rod of applicator；
The connecting elements top is fixedly connected with adjuster.
2. pilot system according to claim 1, which is characterized in that the level leads power plate and leads power device longitudinal direction point described in
Cloth, horizontal nest are simultaneously fixed in and described lead power device outer wall；The power plate of leading vertically leads power device outer wall in cross distribution described in, erects
Power plate interlayer is led to being fitted into and being fixed in the level.
3. pilot system according to claim 1, which is characterized in that the power device outer wall section of leading is circle, leads power
Device inner wall section is square.
4. pilot system according to claim 1, which is characterized in that the structure of the applicator in three directions is identical, each
Applicator includes force application rod and is connected to the sleeve of force application rod by bearing, locating shaft is fixed on sleeve, by positioning
The positioning of axis changes the orientation of force application rod, and the force application rod of Z-direction applicator is vertical direction, and X exerts a force to applicator and Y-direction applicator
Bar is horizontal direction.
5. pilot system according to claim 1, which is characterized in that the connecting elements includes offering operation port simultaneously
The barrel-type casing being placed in the first movable platform, connecting elements are laterally equipped with two pieces of protruding portions, each cloth of two pieces of protruding portions
It is equipped with the idler wheel being in contact with the barrel-type casing inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820825665.XU CN208459606U (en) | 2018-05-30 | 2018-05-30 | A kind of pilot system of the ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820825665.XU CN208459606U (en) | 2018-05-30 | 2018-05-30 | A kind of pilot system of the ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field |
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| Publication Number | Publication Date |
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| CN208459606U true CN208459606U (en) | 2019-02-01 |
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| CN201820825665.XU Withdrawn - After Issue CN208459606U (en) | 2018-05-30 | 2018-05-30 | A kind of pilot system of the ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field |
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| CN (1) | CN208459606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594292A (en) * | 2018-05-30 | 2018-09-28 | 天津大学 | A kind of pilot system of ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field |
-
2018
- 2018-05-30 CN CN201820825665.XU patent/CN208459606U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594292A (en) * | 2018-05-30 | 2018-09-28 | 天津大学 | A kind of pilot system of ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190201 Effective date of abandoning: 20200218 |
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| AV01 | Patent right actively abandoned |