CN108594292A - A kind of pilot system of ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field - Google Patents

Abstract

The invention provides a test system for simulating the artificial boundary of the foundation suitable for multi-point input of earthquakes, including: a force applying device, a foundation structure, a force guiding device, an electrorheological fluid, a stiffness control device, a damping control device, positive and negative plates , anti-seepage tarpaulin and connecting components used to connect the force application device and the stiffness control device. The basic structure includes a base, a table and a support column; the force guiding device is placed on the table, and the force application device is placed on the base of the basic structure ;The force guide device includes a force guide, a contact cylinder, a horizontal force guide plate and a vertical force guide plate; the stiffness control device is a cylindrical structure, including a stiffness controller, a sheet hoop spring and a disc spring; the anti-seepage tarpaulin The closed type is fixedly connected to the lower part of the force guiding device and inside the stiffness controller; the force applying device includes three force applicators in different directions; the upper part of the connecting member is fixedly connected with the regulator. The invention can simultaneously adjust the multi-directional rigidity of the spring, and can be applied in multi-point ground motion tests to simulate artificial boundaries.

Description

A test system for simulating artificial boundary of foundation suitable for seismic multi-point input

technical field

The invention relates to a structural earthquake simulation device, in particular to a simulation suitable for multi-point ground motion tests based on viscoelastic artificial boundary theory.

Background technique

In recent decades, with the development of engineering technology, more and more long-span structural buildings have been constructed. Such building structures often undertake important economic, cultural and social functions, so when earthquake disasters occur, it is of great significance to ensure the safety and stability of such structures. During the Wenchuan Earthquake in 2008, tens of thousands of affected people were placed in the Kyushu Gymnasium in Mianyang, which made engineers realize the significance of the seismic design of long-span structures.

For the seismic response analysis of long-span structures, it is necessary to take into account the traveling wave effect, coherence effect and local site effect in the process of earthquake propagation, so the time and space changes of ground motion must be considered, so long-span structures are multi-dimensional and multi-point ground motions Excitation, while the existing structural earthquake simulation device is mainly based on the shaking table, which is a comprehensive high-tech product, expensive, and most of them are multi-dimensional consistent excitation for earthquake motion, which cannot meet the current earthquake requirements of large-span structures. Dynamic test simulation needs for time and space differences.

Specifically, the viscoelastic artificial boundary theory converts the input of ground motion into an equivalent load acting on the artificial boundary to realize the input of fluctuations, effectively absorbs the seismic wave radiated from the finite area of the foundation to the infinite area, and can well simulate the artificial The elastic recovery performance of the semi-infinite foundation outside the boundary. Based on this, the existing earthquake simulation device cannot simulate the artificial boundary, and cannot simulate the multi-point earthquake test at the same time. Therefore, it is of great significance to make a device that can simulate the artificial boundary of the foundation, and can perform multi-point earthquake motion tests, and has low manufacturing cost and simple structure.

Contents of the invention

The invention provides a test device for simulating the artificial boundary of the foundation suitable for multi-point input of earthquakes. The device can simulate the boundary of the foundation and realize the adjustable stiffness and damping function, and at the same time realize the input of equivalent load on the artificial boundary. The present invention takes the following technical solutions:

A test system for simulating artificial boundaries of foundations suitable for multi-point input of earthquakes, including: force application device, foundation structure, force guiding device, electrorheological fluid, stiffness control device, damping control device, positive and negative plates, anti-seepage The tarpaulin and the connection member used to connect the force applying device and the stiffness control device are characterized in that,

The basic structure includes a base, a table and a support column; the table is fixed above the base through the support column; and the table is provided with a circular opening that can accommodate the lower part of the stiffness control device, and guide The force device is placed on the table, and the force device is placed on the base of the basic structure;

The force guiding device is a cylindrical structure with a lower opening, including a force guiding device, a contact cylinder, a horizontal force guiding plate and a vertical force guiding plate; the force guiding device includes a force guiding device cover, an outer wall of the force guiding device and a The inner wall of the force guide opened below, the horizontal force guide plate and the vertical force guide plate are fixed on the outer wall of the force guide; the contact cylinder is placed in the inner wall of the force guide;

The stiffness control device is a cylindrical structure, placed in the contact cylinder, including a stiffness controller, a leaf hoop spring and a disk spring; the stiffness controller is a cylindrical structure, including a control shaft in the middle, a top, a side The wall and the adjuster located at the lower part and fixedly connected with the control shaft have an outlet on the top of the stiffness controller, and a long and narrow outlet on the side wall. The leaf hoop spring and one end of the disk spring are placed The stiffness controller is respectively connected to the lateral and upper parts of the control shaft, and the other end is respectively passed through the side wall of the stiffness controller and the outlet on the top, surrounds the side wall of the stiffness controller and is placed The stiffness controller is on the top; the outer end of the sheet-shaped hoop spring is fixed on the inner wall of the contact cylinder; the bottom of the disc spring is fixedly connected with a disc; by rotating the regulator at the bottom of the stiffness controller , screwing part of the sheet-shaped hoop spring and part of the disc spring into the stiffness controller and compressing it into the stiffness controller, and an anti-seepage bearing is arranged on the lower part of the control shaft;

The anti-seepage tarpaulin is closed and fixedly connected to the lower part of the force guiding device and the inside of the stiffness controller, and the anti-seepage tarpaulin is sealed and connected to the outer periphery of the anti-seepage bearing and to the inner periphery of the inner wall of the force guide. The electrorheological fluid is located in the cavity surrounded by the inner wall of the force guide and the anti-seepage tarpaulin;

The stiffness control device is located in the upper part of the anti-seepage bearing and placed in the force guiding device, and immersed in the electrorheological fluid, and the lower part of the anti-seepage bearing passes through the lower opening of the force guiding device;

An accommodating space is left on both sides of the inner wall of the force guide for accommodating the positive and negative plates; the damping control device is used to adjust the voltage applied to the positive and negative plates;

The force applying device includes an X-direction force applicator, a Y-direction force applicator, a Z-direction force applicator, a first movable platform and a second movable platform, the first movable platform is placed on the second movable platform, and the second movable platform is placed on the second movable platform. The second movable platform is placed on the base of the basic structure; the Z-direction force applicator is fixed on the first movable platform, and its force-applying rod is fixedly connected with the lower part of the connecting member; the X-direction force applicator is fixed on the On the second movable platform, its force applying rod is horizontally fixed on the side plate of the first movable platform, which is used to apply the force in the X direction to the first movable platform; the Y direction force applicator is fixed on the On the base, its force-applying rod is horizontally fixed on the side plate of the second movable platform for applying the force in the Y direction to the second movable platform; the force-applying rod of the X-direction force applicator and the Y-direction The force bar of the force applicator is in a right angle relationship;

The upper part of the connecting member is fixedly connected with the adjuster.

Preferably, the horizontal force guide plate is longitudinally distributed along the force guide, nested horizontally and affixed to the outer wall of the force guide; the vertical force guide is distributed in a cross along the outer wall of the force guide, Vertically embedded and fixed between the horizontal force guide plate layers.

The cross-section of the outer wall of the force guide is circular, and the cross-section of the inner wall of the force guide is square. The force applicators in the three directions have the same structure. Each force applicator includes a force applying rod and a sleeve connected to the force applying rod through a bearing. A positioning shaft is fixed on the sleeve, and the applied force can be changed by positioning the positioning shaft. The orientation of the rod, the force rod of the Z-direction force applicator is in the vertical direction, and the force rod of the X-direction force applicator and Y-direction force applicator is in the horizontal direction.

The connecting member includes a cylindrical shell with an operation port and placed on the first movable platform. Two protrusions are arranged on the side of the connecting member, and each of the two protrusions is arranged with the cylindrical housing. Rollers in contact with the inner walls of the housing.

The advantages and positive effects that the present invention has are:

1) By controlling the adjuster at the bottom of the stiffness control device, screw and compress part of the leaf hoop spring and disc spring into the disc stiffness controller and the disc stiffness controller, thereby changing the length of the external spring to achieve Multi-directional stiffness adjustable function.

2) By adjusting the voltage regulator, the electric field intensity is changed and the viscosity of the electrorheological fluid is changed at the same time, thereby realizing the function of controlling the multi-directional damping coefficient.

3) The design of the device of the present invention can simultaneously adjust multi-directional stiffness and damping, and realize multi-directional equivalent loads to be applied at nodes, so that multi-point ground motion tests can be directly performed.

4) The design of the device of the present invention is simple, the production cost is low, and it is convenient for mass production and testing.

Description of drawings

Fig. 1 is a front view of the device of the present invention.

Fig. 2 is a left side view of the device of the present invention.

Figure 3 is a top view of the basic structure and force applying device.

Figure 4 is a front view of the upper structure of the table.

Fig. 5 is a top view of the upper structure of the table.

Fig. 6 is a three-dimensional schematic diagram of the Z-direction force applicator.

Fig. 7 is an exploded three-dimensional schematic diagram of the upper structure of the table.

In the figure: 1, force guide device; 101, force guide cover; 102, contact cylinder; 103, force guide; 1031, inner wall of force guide; 1032, outer wall of force guide; 104, vertical force guide plate; 105 , horizontal force guide plate; 106, accommodation space; 2, electrorheological fluid; 3, stiffness control device; 301, disc spring; 302, sheet hoop spring; 303, stiffness controller; 303a, hoop stiffness control 303b, longitudinal stiffness controller; 303c, disc; 304, anti-seepage bearing; 305, regulator; 306, controller and cover; 307, control shaft; 4, damping control device; 401, rectifier; 402, Power supply; 403, voltage regulator; 404, wire; 5, positive and negative plates; 6, anti-seepage tarpaulin; 7, force device; 701, X direction force applicator; Z direction force applicator; 704, first movable platform; 705, second movable platform; 706, connecting member; 7a, operation port; 7b, roller; 7c, caster; 7d, side plate; 7f, positioning shaft; 8, basic structure; 801, base; 802, support column; 803, table top;

Detailed ways

In order to further understand the invention content, features and effects of the present invention, the following examples are given together with the accompanying drawings.

The test device for simulating the artificial boundary of the foundation suitable for earthquake multi-point input of the present invention is composed of the following parts: force guiding device 1, electrorheological fluid 2, stiffness control device 3, damping control device 4, positive and negative plates 5, anti-seepage Tarpaulin 6, force applying device 7 and basic structure 8.

The details of each structure are as follows:

The force guide device 1 is a cylindrical structure as a whole, including a force guide 103, a contact cylinder 102, a horizontal force guide plate 105 and a vertical force guide plate 104; the force guide 103 includes a force guide cover 101, a cylindrical guide The outer wall 1032 of the force device and the inner wall 1031 of the square force guide with the lower opening fixed therein. Both the horizontal force guide plate 105 and the vertical force guide plate 104 are fixed on the outer wall 1032 of the force guide, and the contact cylinder 102 is nested in the force guide 103; The surface is smooth and screwed on the top of the force guide 103; the force guide is a cylindrical structure whose outer wall 1032 has a circular section and the inner wall 1031 has a square section, and the upper end opening of the force guide 103 is connected to the The cover of the force guide 101 is fully engaged; at the same time, two accommodating spaces 106 are left on both sides of the force guide 103; the two accommodating spaces 106 are flat cuboids on both sides of the force guide 103 chamber; the contact cylinder 102 is a cylindrical structure with fully open upper and lower ends, and the inner and outer walls of the contact cylinder 102 are smooth, and are just nested inside the force guide 103; the horizontal force guide The plate 105 is longitudinally distributed along the force guide 103, nested horizontally and fixed on the outer wall 1032 of the force guide; the vertical force guide plate 104 is distributed in a cross along the outer wall 1032 of the force guide, vertically It is embedded and fixed between the layers of the horizontal force guide plate 105 .

The stiffness control device 3 includes a stiffness controller 303, a leaf hoop spring 302 and a disk spring 301; the stiffness controller 303 is a cylindrical structure, and the leaf hoop spring 302 and the disk spring One end of 301 is placed in the stiffness controller 303 and fixed on the control shaft 307 and the disc 303c respectively, and the other end is respectively pierced through the side wall of the stiffness controller 303 and the outlet reserved on the top, and surrounds the stiffness controller 303. The side wall of the controller 303 is placed on top of the stiffness controller 303 .

Wherein the stiffness controller 303 is: the longitudinal stiffness controller 303b is coaxially fixed on the inner top of the hoop stiffness controller 303a, the upper end of the control shaft 307 is installed on the top center of the longitudinal stiffness controller 303b through a bearing, and the controller is closed. The cover 306 passes through the control shaft 307 and is screwed on the bottom end of the stiffness controller 303; the hoop stiffness controller 303a is a cylindrical structure with a closed upper end and an open lower end, and the top surface of the hoop stiffness controller 303a and the The joint of the longitudinal stiffness controller 303b is provided with a control port for the disc spring 301 to pass through, and the outer wall of the lower end is provided with threads, and the side wall of the circumferential stiffness controller 303b is provided with a hole for the leaf-shaped hoop spring 302 to pass through. Rectangular control seam; the longitudinal stiffness controller 303b is a hoop structure with upper and lower ends open, the upper half of its inner wall is provided with a thread that fully engages with the disc spring 301, the lower half is smooth, and the longitudinal stiffness controller 303b The inner diameter of the lower half is slightly smaller than the inner diameter of the upper part; the control shaft 307 is a cylinder as a whole, and the section between the longitudinal stiffness controller 303b and the controller cover 306 is in the shape of a regular hexagonal column, and the upper end of the control shaft 307 is six The side-shaped section is covered with a disc 303c, and the lower end is equipped with an anti-seepage bearing 304 whose surface has been treated with anti-seepage; the center of the disc 303c has a regular hexagonal hole that is fully engaged with the hexagonal section at the upper end of the control shaft 307, and the circle The side wall of the disc 303c has a thread that completely engages with the upper part of the longitudinal stiffness controller 303b; the center of the controller and the cover 306 and the regulator 305 has a regular hexagon that completely engages with the hexagonal section at the lower end of the control shaft 307. hole; the outer end of the sheet-shaped hoop spring 302 is affixed to the inner wall of the contact cylinder 102; the inner wall of the controller closure cover 306 at the bottom of the stiffness controller 303 has threads, which can be installed by connecting members .

Thus the rotation of the adjuster 305 at the bottom of the stiffness control device 3 will drive the rotation of the control shaft 307, thereby driving the control of the sheet-shaped hoop spring 302, and the rotation of the control shaft 307 will also It will drive the rotation of the disk 303c, and the disk 303c will move up and down along the inner wall thread of the longitudinal stiffness controller 303b to drive the control of the disk spring 301.

The anti-seepage tarpaulin 6 is closed and fixed on the lower part of the force guiding device 1 and inside the stiffness controller 303, the anti-seepage tarpaulin 6 is sealed and connected with the outer periphery of the anti-seepage bearing 304, and is connected with the inner wall 1031 of the force guide device. The inner periphery of the inner circumference is sealed and connected, and the electrorheological fluid 2 is located in the cavity surrounded by the inner wall 1031 of the force director and the anti-seepage tarpaulin 6 .

The damping control device 4 includes a power supply 402, a rectifier 401, a voltage regulator 403 and a lead 404; Connect to become whole.

The stiffness control device 3 is located on the upper part of the anti-seepage bearing 304 and placed in the force guiding device 1 and immersed in the electrorheological fluid 2, and the lower part of the anti-seepage bearing 304 passes through the lower opening of the force guiding device 1 At the same time, the positive and negative plates 5 are inserted and fixed in the accommodating space 106 on both sides of the force guiding device 1, and the damping control device 4 is placed outside the force guiding device 1 and connected to the positive and negative electrodes Plate 5 is welded; at this time, the adjuster 305 at the bottom of the stiffness control device 3 is rotated, and a nut is used to tighten the fixing hole on the side of the adjuster 305, and part of the sheet hoop spring 302 and part of the disk spring 301 are screwed in and compressed In the stiffness controller 303, thereby changing the stiffness of the external spring of the stiffness controller 303; at the same time, adjusting the external voltage regulator 403 to change the field strength between the positive and negative plates 5 and correspondingly changing the electrorheological fluid 2 viscosity, thereby controlling the damping coefficient.

The force applying device 7 includes an X-direction force applicator 701, a Y-direction force applicator 702, a Z-direction force applicator 703, a connecting member 706, a first movable platform 704 and a second movable platform 705; The force device 703 is fixed on the first movable platform 704, and the force applying rod 7e is vertically fixed on the lower part of the connecting member 706 through a nut; the X-direction force applicator 701 is fixed on the second movable platform 705, And the force applying rod 7e is horizontally fixed on the side plate 7d of the first movable platform 704 through a nut; The lateral plate 7d of the second movable platform 705; the applying rod 7e of the X-direction force applicator 701 and the force-applying rod 7e of the Y-direction force applicator 702 are in a right-angle relationship, and; at the same time, the first movable platform 704 is placed on the second movable platform 705 .

The Z-direction force applicator 703, the X-direction force applicator 701 and the Y-direction force applicator 702 are respectively fixed on the first movable platform 704 and the second movable platform 704 by using bolts through the screw holes at the bottom of the force applicator. Two movable platforms 705 and the base 801.

The X-direction force applicator 701 and the Y-direction force applicator 702 are obtained by rotating the Z-direction force applicator 703 on the vertical plane 90 degrees around the positioning axis 7f, and are fixed laterally with bolts. The force application direction of the force application rod 7e is in the horizontal plane; the force application rod 7e is controlled by a hydraulic source or a motor to output force.

Wherein said first movable platform 704 two sides have two lateral plates 7d, described lateral plate 7d lower edge and described first movable platform 704 lateral edges are affixed; Described first movable platform 704 other two Rollers 7b are arranged horizontally on the side; casters 7c are arranged at the bottom of the first movable platform 705 .

There are two lateral plates 7d on both sides of the second movable platform 705, and the lower edge of the lateral plates 7d is affixed to the lateral edge of the second movable platform 705; while the other two sides of the second movable platform 705 Rollers 7b are horizontally arranged; casters 7c are arranged at the bottom of the second movable platform 705 .

The upper part of the connecting member 706 is open and cylindrical, and the upper peripheral wall has a thread that fully engages with the inner side wall of the controller closing cover 306, and is screwed on the inner side wall of the controller closing cover 306; The member 706 has two protruding parts on the side, and rollers 7b are arranged vertically and horizontally on each of the two protruding parts; the surface of the connecting member is provided with an operation port 7a, through which the regulator 305 is conveniently controlled.

The basic structure 8 includes a base 801, a table top 803, and a support column 802; the table top 803 is fixed above the base 801 through the support column 802; Circular opening pierced through the lower part.

The force applying device 7 is respectively fixedly installed on the first movable platform 704, the second movable platform 705 and the base 801 through force applicators, and utilizes the first movable platform 704 and the second movable platform The side plate 7d of the movable platform 705 transmits the force to the connecting member 706 and the stiffness control device 3, and through the integrated action of the adjusted stiffness control device 3 and the damping control device 4, the The above-mentioned force guiding device 1 spreads outwards to convert the seismic wave source into an equivalent load acting on the nodes.

Thus, by rotating the adjuster 305 at the bottom of the stiffness controller 303, the stiffness is changed, and at the same time, the voltage regulator 403 in the damping control device 4 is used to adjust the voltage applied to the positive and negative plates 5 to change the damping. Simulation of the artificial boundary conditions of the test foundation, and the equivalent load applied by the force device 2 acts on the simulated artificial boundary, and then transfers outwards in turn and finally acts on the test structure, thereby simulating the interaction between structure and earthquake dynamics .

Embodiment 1: Based on the viscoelastic artificial boundary theory, when simulating the consistent excitation of structural ground motion, such as a small house structure, a rigid plate can be fixed on the entire upper surface of the force guiding device 1 in advance, and the house structure can be installed on the On this rigid plate, or if the situation permits, the building structure can be mounted directly on the upper surface of the device of the present invention.

Embodiment 2: Based on the viscoelastic artificial boundary theory, when carrying out structural multi-point ground motion tests, such as long-span bridges, multiple devices of the present invention can be used, and the entire force guiding device 1 of the present invention is buried in advance. Inside each support point of the structure, that is, the bottom center of each bridge pier, and then install each bridge pier on the platform.

Adopt the ground motion test procedure of device of the present invention as follows:

(1) Select the corresponding test plan and install the test model for different structures to be tested.

(2) Connect the rectifier 401, the voltage regulator 403 and the positive and negative plates 5 through wires to form a whole, and connect the power supply device 7 to the control system at the same time. (The system can calculate the required input equivalent load and control the force applying device 7 by inputting a series of parameters)

(3) By rotating the adjuster 305 at the lower part of the stiffness control device 3, related stiffness parameters are adjusted; at the same time, the voltage regulator 403 is used to adjust the field strength between the positive and negative plates 5 to adjust related damping parameters.

(4) Input the relevant seismic fluctuation parameters in the digital control system, and simultaneously control the action strength and action time of different force-applying devices 7, reflecting the variability of the action time and action space of the earthquake, and simulating the input of the seismic wave source.

(5) Confirm the start of the test.

In a preferred solution of the present application, the anti-seepage tarpaulin 6 is closed and fixed on the lower part of the force guiding device 1 and inside the stiffness controller 303 . Specifically, two pieces of the anti-seepage tarpaulin 6 are in the shape of a ring, and the one anti-seepage tarpaulin 6 is just bonded to the inner bottom surface of the force guide 103 by using a high-strength adhesive. At the same time, it is bonded to the outer wall of the stiffness controller 303; the other sheet of anti-seepage tarpaulin 6 is just glued to the inner wall of the stiffness controller 303 and is bonded to the anti-seepage bearing 304 side of the lower part of the control shaft 307 wall, and fill the joint with anti-seepage agent.

Preferably, before the electrorheological fluid 2 is filled inside the force guiding device 1 , the surface of the entire stiffness control device 3 and the internal components of the force guiding device 1 are treated with anti-corrosion treatment.

Preferably, the positive and negative plates 5 are placed in the accommodation space 106 on both sides of the force guiding device 1, specifically, the positive and negative plates 5 are first nested inside the rubber insulating bushing and then placed in the The accommodating space 106.

As preferably, the quantity of caster 7c and roller 7b among the present invention is set according to the size of the first movable platform 704 and the second movable platform 705, and before the test starts simultaneously, caster 7c and roller 7b all add lubricant after the surface is lubricated Experiment again.

Although the preferred embodiments of the present invention have been described above in conjunction with the accompanying drawings, the present invention is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative and not restrictive. Those of ordinary skill in the art Under the enlightenment of the present invention, people can also make many forms without departing from the purpose of the present invention and the scope of protection of the claims, and these all belong to the protection scope of the present invention.

Claims (5)

1. a kind of pilot system of ground foundation simulation Artificial Boundaries suitable for earthquake Random seismic field, including：Including force application apparatus, base Plinth structure leads power apparatus, 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 by the support column on the pedestal Side；And the table top, which is equipped with, can accommodate the round hole that rigidity controller lower part is pierced by, and lead power apparatus and be placed on table top, apply Power apparatus is placed on the pedestal of foundation structure；

The power apparatus of leading is the tubular structure of lower openings, including leads power device, contact cylinder, level and lead power plate and lead power vertically Plate；It includes leading power device lid, leading power device outer wall and what is be open below being secured within leads power device inner wall to lead power device, and the level is led Power plate and it is described it is vertical lead power plate 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 be tubular structure, include the control shaft positioned at middle part, top, side wall and positioned 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 outlet that the other end is opened up by the side wall and top of the stiffness reliability device respectively are pierced by, 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；By rotating the adjuster of stiffness reliability device bottom, described in part 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 paulin closed type be fixed in it is described lead inside power apparatus lower part and stiffness reliability device, antiseepage paulin 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 paulin；

The rigidity controller be located at antiseepage bearing upper part be placed in it is described lead in power apparatus, and be immersed in ER fluid In, it is pierced by by the power apparatus lower openings of leading positioned at antiseepage bearing low portion；

In the both 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, Size for adjusting voltage of the load 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, the power for applying Y-direction to the second movable platform；Force application rods 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 vertical power plate of leading 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 round, 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, and 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 gathering hole 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.