CN208013212U - A kind of super gravity field shaketalle test adds discharge mechanism - Google Patents
A kind of super gravity field shaketalle test adds discharge mechanism Download PDFInfo
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- CN208013212U CN208013212U CN201820242792.7U CN201820242792U CN208013212U CN 208013212 U CN208013212 U CN 208013212U CN 201820242792 U CN201820242792 U CN 201820242792U CN 208013212 U CN208013212 U CN 208013212U
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Abstract
The utility model discloses a kind of super gravity field shaketalle tests to add discharge mechanism, and the device of the utility model includes model casing, reaction frame, loading device, data acquisition device and mechanical locking arrangement；The loading device includes load plate, pneumatic cylinder, pneumatic cylinder upper pipeline and pressure main(header) road, and pressure main(header) road is equipped with voltage-stablizer；The data acquisition device includes obliquity sensor, pressure sensor, displacement sensor, controller and computer；The mechanical locking arrangement includes mechanical locking pneumatic cylinder, normally closed type two-position three-way valve, push rod, lock banking stop, gear and gear grooved.The device of the utility model can be effectively increased the depth of centrifugation making machine vibration table research soil layer on the basis of existing equipment technical conditions, and important technical support is provided for further research deep soil Dynamic response characteristic experiment.
Description
Technical field
The utility model belongs to experimental rig technical field, and in particular to a kind of super gravity field shaketalle test, which adds to unload, to be carried
It sets.
Background technology
For geotechnical engineering anti-seismic problem, common research method has numerical computations, field observation, the experiment of conventional vibration platform
With four kinds of centrifuge shaketalle test.But numerical computations are affected by constitutive model and model parameter, and field observation is implemented
Process is complicated, usually costly, and the experiment of conventional vibration platform, which can not conduct oneself with dignity to rock-soil material, simulates, and centrifuges making machine vibration table
Can be under prototype stress condition in the actual seismic wave of mode input, and directly measure earthquake shadow caused by earth structure
It rings, is the current research soil body and the most effective technological means of seismic structural response characteristic.
Existing centrifuge shaketalle test is limited by centrifuge capacity and shake table itself operating condition, experimental study
The soil depth that can be simulated is generally 20 m or so.For there are building or subjects being the tools such as the buried soil body on ground
The operating mode of body will lead to model foundation stress state if the burden pressure of physical presence cannot accordingly be embodied in test
It is not inconsistent with the initial stress state of prototype ground, therefore needs during realistic simulation to apply model ground certain overlying
Pressure.Due to that cannot accurately control loading surface posture, existing cannot protect existing centrifugation making machine vibration table burden pressure load mode
Demonstrate,prove load it is uniform and vertical the shortcomings that being applied to foundation surface, especially in the lower soft stratum burden pressure of bearing capacity
In simulation process, existing burden pressure loading device deposits that loading surface during the test tilts, the deficiency of bias occurs for stratum,
Cause experimental condition and the inconsistent situation of actual condition.Therefore, the standard that burden pressure applies in centrifuge shaketalle test
The authenticity and reliability of shaketalle test result will be directly affected whether really.
Utility model content
The utility model aim is to overcome the load modes such as existing counterweight, loading by air bag can during shaketalle test
The uneven defect of the bias or load that can occur provides a kind of super gravity field shaketalle test and adds discharge mechanism, for realizing
The stress of the accurate application of soil body burden pressure in centrifuge shaketalle test, the implementation model soil body and the prototype soil body, modified strip
Part matches.
To realize the above-mentioned technical purpose, the utility model adopts the following technical solution：
A kind of super gravity field shaketalle test adds discharge mechanism, which is characterized in that including model casing, reaction frame, load
Device, data acquisition device and mechanical locking arrangement；
The loading device includes load plate, pneumatic cylinder, pneumatic cylinder upper pipeline and pressure main(header) road, pressure main(header) road
Equipped with voltage-stablizer；
The data acquisition device includes obliquity sensor, pressure sensor, displacement sensor, controller and computer；
The mechanical locking arrangement includes mechanical locking pneumatic cylinder, normally closed type two-position three-way valve, push rod, lock banking stop, gear
And gear grooved；
The reaction frame is fixedly installed on model upper box part, and the forging beam intersected by well word forms；The forging beam is handed over
Through-hole is set at remittance, pneumatic cylinder is fixedly installed in through-hole, solenoid valve, steady is set gradually on the upper pipeline of each pneumatic cylinder connection
Pressure valve and flow divider；Forging beam is added at reaction frame center, is used for solid mechanical locking pneumatic cylinder, is arranged on the forging beam added
Through-hole, mechanical locking pneumatic cylinder connection upper pipeline on be arranged normally closed type two-position three-way valve；Every upper pipeline finally via
Pressure main(header) road is connected to voltage-stablizer and pressure source；
The lower surface of the reaction frame is contacted with load plate, and pneumatic cylinder and mechanical locking pneumatic cylinder are fixed on across through-hole
Load plate upper surface；
The load plate lower surface mounted angle sensor, pressure sensor and displacement sensor；
At the load plate upper surface and mechanical locking pneumatic cylinder contact point and load corresponding with upper surface contact point
Open up cross groove at the contact point of plate lower surface, cross groove is from mechanical locking pneumatic cylinder and load plate upper surface contact point
Place extends to model casing wall surface；Push rod is buried in cross groove, one end that push rod is contacted with wall surface connects lock banking stop；Model casing
It is vertical at four contact points of inner wall and cross groove to open up gear grooved, gear is set in gear grooved；
The computer acquisition sensing data is used for data analysis, and passes through monitoring control devices sensing data, control
The direction of pressure-loaded and size.
The super gravity field shaketalle test adds discharge mechanism to further include position as a further improvement of the utility model,
Control device, the position control include proportioning valve and limiter；It is set successively on the upper pipeline of each pneumatic cylinder connection
Set proportioning valve, limiter, solenoid valve, pressure maintaining valve and flow divider, after voltage-stablizer and pressure source be connected to by pressure main(header) road；Position
Displacement sensor is connected with proportioning valve input terminal, and proportioning valve acquisition displacement transducer signal simultaneously transmits a signal to controller, controls
Device adjusts the position of pneumatic cylinder piston by solenoid valve, proportioning valve and limiter.It can be pressed in load using position control
The position of pneumatic cylinder piston is adjusted in debugging process before power；Pressure maintaining valve and proportioning valve are connected to pressure source and lead to pneumatic cylinder simultaneously
Pipeline on, and be connected with the output end of controller, to ensure input air pressure cylinder pressure and traveling displacement stability, rise
To protection pneumatic cylinder and the effect for accurately controlling pneumatic cylinder piston traveling.
Forging beam intersection is set as disc as a further improvement of the utility model, and circle is arranged on disk
Bolt blind hole is arranged around circular through hole for shape through-hole；Pneumatic cylinder piston is vertically installed at downwards in reaction frame reserved through hole, gas
Cylinder pressure is fixed by the bolt blind hole around bolt and through-hole, and the polishing head of pneumatic cylinder piston lower part and the upper surface of load plate are logical
Pin is crossed to connect in articulated manner；The mechanical locking pneumatic cylinder is fixed on the forging beam added in the same manner with pneumatic cylinder
On；The reaction frame provides counter-force mounted on model upper box part by high-strength bolt for pneumatic cylinder.Dress in the utility model
Set and various universal means may be used be fixed, be subject to fixation, in the utility model preferably using being threadedly coupled and
Screw and nut is fixed, can by device fixation, in addition, pneumatic cylinder, mechanical locking pneumatic cylinder piston lower part polishing head with plus
The upper surface of support plate is connected in articulated manner by pin, it is ensured that load plate and pneumatic cylinder stabilization are not sent out during pressure-loaded
Raw displacement.
The pneumatic cylinder top also sets up air bleeding valve as a further improvement of the utility model,.
Automatic switch valve, pressure are additionally provided between pressure source and voltage-stablizer as a further improvement of the utility model,
The interface in source passes sequentially through automatic switch valve, voltage-stablizer is connected to pneumatic cylinder and mechanical locking pneumatic cylinder, is pneumatic cylinder and machine
Tool locking pneumatic cylinder provides pressure.When test, automatic switch valve is in the open state, when measurement system when something goes wrong can hand
It is dynamic to close, protect loading system.
The pressure source is provided or external electronic liquid by centrifuge baric systerm as a further improvement of the utility model,
Press pump.
Institute's displacement sensors are LVDT displacement sensors as a further improvement of the utility model,.Select laser position
Displacement sensor can quickly, accurately measure the displacement of loading plate, and wide range of measurement, can be adjusted according to test requirements document.
High frequency is set in the model clay body being arranged in model casing as a further improvement of the utility model, and moves pore water
Pressure sensor, for monitoring soil body pore water pressure.
The forging beam aluminium forging beam as a further improvement of the utility model,.
The utility model additionally provides a kind of super gravity field shaketalle test and adds discharging method, specifically comprises the following steps：
Step 1：Through-hole, fixed air pressure is arranged as reaction frame, in forging beam intersection in the forging beam that well word is intersected
Forging beam, upper setting through-hole solid mechanical locking pneumatic cylinder are added in cylinder, reaction frame center；By load plate and pneumatic cylinder piston and
The lower part of mechanical locking pneumatic cylinder piston connects, and is opened up at load plate and the upper and lower surface of solid mechanical locking pneumatic cylinder contact point
Cross-like groove, push rod is buried in groove, and the one end of push rod far from solid mechanical locking pneumatic cylinder connects lock banking stop；Under load plate
Lower surface mounted angle sensor, pressure sensor and the displacement that portion is contacted with pneumatic cylinder piston corresponding position with the model soil body pass
Sensor, and keep sensor concordant with the lower surface of load plate；The proportion of installation valve successively on the upper pipeline of pneumatic cylinder, limit
Device, solenoid valve, pressure maintaining valve, flow divider；Normally closed type two-position three-way valve is installed on the upper pipeline of mechanical locking pneumatic cylinder；Pneumatic cylinder
Upper pipeline and the upper pipeline of mechanical locking pneumatic cylinder cross and be incorporated to pressure main(header) road, and be connected to surely by pressure main(header) road
Depressor and automatic switch valve pass to pressure source；Obliquity sensor, pressure sensor, displacement sensor and voltage-stablizer pass through control
Device connects computer；
Step 2：Vertical gear grooved is set with the contact position of load plate crisscross grooves in model casing, tooth is set in gear grooved
Wheel；The model soil body is set in model casing afterwards, reaction frame is secured by bolts in the top of model casing, then by model casing
It is placed on vibration table surface, and is placed in hanging basket；Loading device is debugged after installing；
Step 3：Adjust load plate contact with before the load of the model soil body；Pass through computer inclining model soil body surface
Oblique or Realize is scaled the displacement of load plate lower surface obliquity sensor and pneumatic cylinder, and controller sends out instruction to pneumatic cylinder
Adjust pneumatic cylinder displacement, load plate traveling contacted with the model soil body, pressure sensor reach controller setting contact threshold value it
Afterwards, solenoid valve is closed, and limiter starts, and pneumatic cylinder piston stops advanced positions locking；
Step 4：The model soil body is applied with and covers pressure；Burden pressure is inputted into computer, controller according to test requirements document
Instruction is sent out, solenoid valve is opened, and pneumatic cylinder is advanced, and the pressure sensor Real-time Feedback load plate of load plate lower surface is applied to mould
The burden pressure of the type soil body, controller send out signal after pressure sensor measured value reaches setting value, and load stops；
Step 5：After burden pressure application terminates, the triggering of normally closed type two-position three-way valve starts, and mechanical locking pneumatic cylinder drives
Piston moves downward promotion push rod, and the lock banking stop of the push rod other end gos deep into gear grooved forward, when mechanical locking pneumatic cylinder is lived
Plug marches to stop motion after setting value, and the position of load plate is fixed through mechanical locking arrangement, and device enters the ready shape of experiment
State.
The beneficial effects of the utility model are as follows：
（1）The device of the utility model both can be with simulant building thing（Structures）Base pressure, can also simulate deep
The overlying soil body weight stress acted on coating.Meanwhile the device can be with the uninstall process of the ground foundation simulation soil body, and simulation
The dynamic response characteristics of the overconsolidation soil body caused by unloading.Applied to centrifuge shaketalle test, do not increase model itself
Weight can be effectively increased the depth of centrifugation making machine vibration table research soil layer, further to grind on the basis of existing equipment technical conditions
Study carefully the experiment of deep soil Dynamic response characteristic and important technical support is provided.
（2）Loading device assembled designs, the size of load plate can according to the size of centrifugation making machine vibration table model casing into
Row adjustment；
（3）Pressure source can be provided by centrifuge baric systerm, and external pressure source need not be separately provided, easy to operate；
（4）It can be accurately controlled and be added by pneumatic cylinder, proportioning valve, limiter, the solenoid valve etc. for being arranged in load plate top
The loading speed of support plate, the position of posture and load plate, it can be ensured that the side that burden pressure loads during shaketalle test
To being to set accurate apply according to experiment；
（5）The setting of mechanical locking arrangement ensure that during centrifuge shaketalle test overlying on-load pressure value not by
Finder charge disturbing influence；
（6）The traveling range of pneumatic cylinder piston can be adjusted according to specific test requirements document, applied widely.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment 1 plus discharge mechanism；
Fig. 2 be in the utility model embodiment 1 pneumatic cylinder and mechanical locking pneumatic cylinder in the cloth of model casing gland upper surface
Seated position schematic diagram；
Fig. 3 is valve position view on pneumatic cylinder schematic diagram in the utility model embodiment 1 and pneumatic cylinder pipeline；
Fig. 4 is the utility model mechanical lock locking system arrangement schematic diagram in load plate；
In figure：1. model casing, the 2. model soil bodys, 3. reaction frames, 4. load plates, 5. pneumatic cylinders, 51. air pressures
The cylinder piston, 52. pneumatic cylinder piston polishing heads, 6. computers, 61. obliquity sensors, 62. pressure sensors, 63. displacements
Sensor, 64. controllers, 7. pneumatic cylinder upper pipelines, 71. proportioning valves, 72. limiters, 73. solenoid valves, 74. voltage stabilizings
Valve, 75 flow dividers, 8. pressure main(header) roads, 81. voltage-stablizers, 82. automatic switch valves, 9. mechanical locking pneumatic cylinders, 91.
Normally closed type two-position three-way valve, 92. push rods, 93. lock banking stops, 94. gears, 95. gear grooveds.
Specific implementation mode
The technical solution of the utility model is described further with reference to embodiment and attached drawing explanation.
Embodiment 1
Super gravity field shaketalle test as shown in Figs 1-4 adds discharge mechanism, including model casing 1, reaction frame 3 load dress
It sets, data acquisition device and mechanical locking arrangement；
The loading device includes load plate 4, pneumatic cylinder 5, pneumatic cylinder upper pipeline 7 and pressure main(header) road 8, pressure main(header)
Road 8 is equipped with voltage-stablizer；
The data acquisition device includes obliquity sensor 61, pressure sensor 62, displacement sensor 63,64 and of controller
Computer 6；
The mechanical locking arrangement includes mechanical locking pneumatic cylinder 9, normally closed type two-position three-way valve, push rod, lock banking stop, gear
And gear grooved；
The reaction frame 3 is fixedly installed on 1 top of model casing, and the aluminium forging beam intersected by well word forms；The aluminium forging
Through-hole is arranged in Jian Liang intersections, and pneumatic cylinder 5 is fixedly installed in through-hole, and air bleeding valve is arranged on pneumatic cylinder 5, and each pneumatic cylinder 5 connects
Upper pipeline 7 on set gradually solenoid valve 73, pressure maintaining valve 74 and flow divider 75；Forging beam is added at 3 center of reaction frame, is used for
Through-hole is arranged on the forging beam added, is set on the upper pipeline 7 that mechanical locking pneumatic cylinder 9 connects for solid mechanical locking pneumatic cylinder 9
Set normally closed type two-position three-way valve 91；Forging beam intersection is set as disc, and circular through hole, circular through hole are arranged on disk
Bolt blind hole is arranged in surrounding；Pneumatic cylinder piston 51 is vertically installed at downwards in 3 reserved through hole of reaction frame, and pneumatic cylinder 5 passes through spiral shell
Bolt blind hole around bolt and through-hole is fixed, and the polishing head 52 of 51 lower part of pneumatic cylinder piston passes through pin with the upper surface of load plate 4
Nail connects in articulated manner；The mechanical locking pneumatic cylinder 9 is fixed on the forging beam added in the same manner with pneumatic cylinder 5
On；It is that pneumatic cylinder 5 provides counter-force that the reaction frame 3 is mounted on 1 top of model casing by high-strength bolt.Every upper pipeline 7
Finally voltage-stablizer 81, automatic switch valve 82 and pressure source are connected to via pressure main(header) road 8；
The lower surface of the reaction frame 3 is contacted with load plate 4, and pneumatic cylinder 5 and mechanical locking pneumatic cylinder 9 are solid across through-hole
Due to 4 upper surface of load plate；
4 lower surface mounted angle sensor 61 of the load plate, pressure sensor 62 and displacement sensor 63；
It is answered at 9 contact point of mechanical locking pneumatic cylinder and with the upper surface contact point pair 4 upper surface of the load plate
4 lower surface contact point of load plate at open up cross groove, cross groove is from mechanical locking pneumatic cylinder 9 and load plate 4
1 wall surface of model casing is extended at the contact point of surface；Push rod 92 is buried in cross groove, one end that push rod 92 is contacted with wall surface connects
Connect lock banking stop 93；It is vertical at four contact points of 1 inner wall of model casing and cross groove to open up gear grooved 95, it is arranged in gear grooved 95
Gear 94；
The computer 6 acquires sensing data, is used for data analysis, and pass through monitoring control devices sensing data, control
The direction of pressing pressure load and size.
The pressure source of the present embodiment can be provided by centrifuge baric systerm or external electric hydraulic pump, can be in model casing
High frequency seism-induced pore water pressure force snesor is set in the model soil body 2 being arranged in 1, for monitoring soil body pore water pressure.
In the present embodiment, displacement sensor 63 selects LVDT displacement sensors.
Embodiment 2
The present embodiment the difference is that only with embodiment 1, further include position control, the position control
Including proportioning valve 71 and limiter 72；Set gradually on the upper pipeline 7 that each pneumatic cylinder 5 connects proportioning valve 71, limiter 72,
Solenoid valve 73, pressure maintaining valve 74 and flow divider 75, after voltage-stablizer 81 and pressure source be connected to by pressure main(header) road 8；Displacement sensing
Device 63 is connected with 71 input terminal of proportioning valve, and proportioning valve 71 acquires displacement transducer signal and transmits a signal to controller 64, controls
Device processed adjusts the position of pneumatic cylinder piston 51 by solenoid valve 73, proportioning valve 71 and limiter 72.
Embodiment 3
The present embodiment adds discharging method to be further described to the utility model.
The super gravity field shake table of the utility model adds discharging method to specifically comprise the following steps：
Step 1：Through-hole, fixed air pressure is arranged as reaction frame 3, in forging beam intersection in the forging beam that well word is intersected
Forging beam, upper setting through-hole solid mechanical locking pneumatic cylinder 9 are added in cylinder 5,3 center of reaction frame；By load plate 4 and pneumatic cylinder 5
Piston is connected with the lower part of 9 piston of mechanical locking pneumatic cylinder, and load plate 4 is upper and lower with 9 contact point of solid mechanical locking pneumatic cylinder
Cross-like groove is opened up at surface, and push rod 92, one end connection of the push rod 92 far from solid mechanical locking pneumatic cylinder 9 are buried in groove
Lock banking stop 93；The lower surface mounted angle contacted with the model soil body 2 with 5 piston corresponding position of pneumatic cylinder in 4 lower part of load plate passes
Sensor 61, pressure sensor 62 and displacement sensor 63, and keep sensor concordant with the lower surface of load plate 4；In pneumatic cylinder 5
Proportion of installation valve 71 successively on upper pipeline 7, limiter 72, solenoid valve 73, pressure maintaining valve 74, flow divider 75；Mechanical locking air pressure
Normally closed type two-position three-way valve 91 is installed on the upper pipeline 7 of cylinder 9；The upper pipeline of pneumatic cylinder 5 and mechanical locking pneumatic cylinder 9 it is upper
Portion's pipeline, which crosses, is incorporated to pressure main(header) road 8, and is connected to voltage-stablizer 81 by pressure main(header) road 8 and automatic switch valve 82 passes to pressure
Power source；Obliquity sensor 61, pressure sensor 62, displacement sensor 63 and voltage-stablizer 81 connect computer 6 by controller 64；
Step 2：Vertical gear grooved 95 is set with the contact position of 4 crisscross grooves of load plate in model casing 1, is set in gear grooved
Set gear 94；Reaction frame 3, is secured by bolts in the top of model casing 1, so by the setting model soil body 2 in model casing 1 afterwards
Model casing 1 is placed on vibration table surface afterwards, and is placed in hanging basket；Loading device is debugged after installing；
Step 3：Adjust the contact with before the load of the model soil body 2 of load plate 4；By computer 6 by 2 surface of the model soil body
Inclination or Realize be scaled the displacement of 4 lower surface obliquity sensor 61 and pneumatic cylinder 5 of load plate, controller 64 is to air pressure
Cylinder 5 sends out the displacement of instruction adjustment pneumatic cylinder 5, and the traveling of load plate 4 is contacted with the model soil body 2, and pressure sensor 62 reaches control
After the setting contact threshold value of device 64, solenoid valve 73 is closed, and limiter 72 starts, and 5 piston of pneumatic cylinder stops advanced positions locking；
Step 4：Burden pressure is applied to the model soil body 2；Burden pressure is inputted into computer, controller according to test requirements document
64 send out instruction, and solenoid valve 73 is opened, and pneumatic cylinder 5 is advanced, the 62 Real-time Feedback load plate of pressure sensor of 4 lower surface of load plate
4 are applied to the burden pressure of the model soil body 2, and controller 64 sends out signal after 62 measured value of pressure sensor reaches setting value,
Load stops；
Step 5：After burden pressure application terminates, the triggering of normally closed type two-position three-way valve 91 starts, mechanical locking pneumatic cylinder 9
It drives piston moves downward push rod 92, the lock banking stop 93 of the push rod other end is pushed to go deep into forward in gear grooved 95, works as mechanical locking
9 piston of pneumatic cylinder marches to stop motion after setting value, and the position of load plate 4 is fixed through mechanical locking arrangement, and device enters
Test ready state.
Claims (9)
1. a kind of super gravity field shaketalle test adds discharge mechanism, which is characterized in that including model casing（1）, reaction frame（3）,
Loading device, data acquisition device and mechanical locking arrangement；
The loading device includes load plate（4）, pneumatic cylinder（5）, pneumatic cylinder upper pipeline（7）With pressure main(header) road（8）, pressure
Main pipe rail（8）It is equipped with voltage-stablizer；
The data acquisition device includes obliquity sensor（61）, pressure sensor（62）, displacement sensor（63）, controller
（64）And computer（6）；
The mechanical locking arrangement includes mechanical locking pneumatic cylinder（9）, normally closed type two-position three-way valve, push rod, lock banking stop, gear and
Gear grooved；
The reaction frame（3）It is fixedly installed on model casing（1）Top, the forging beam intersected by well word form；The forging beam
Through-hole is arranged in intersection, and pneumatic cylinder is fixedly installed in through-hole（5）, each pneumatic cylinder（5）The upper pipeline of connection（7）On set successively
Set solenoid valve（73）, pressure maintaining valve（74）And flow divider（75）；Reaction frame（3）Forging beam is added at center, is locked for solid mechanical
Only pneumatic cylinder（9）, through-hole, mechanical locking pneumatic cylinder are set on the forging beam added（9）The upper pipeline of connection（7）Upper setting is normal
Enclosed two-position three-way valve（91）；Every upper pipeline（7）Finally via pressure main(header) road（8）It is connected to voltage-stablizer（81）And pressure
Source；
The reaction frame（3）Lower surface and load plate（4）Contact, pneumatic cylinder（5）With mechanical locking pneumatic cylinder（9）Across logical
Load plate is fixed in hole（4）Upper surface；
The load plate（4）Lower surface mounted angle sensor（61）, pressure sensor（62）And displacement sensor（63）；
The load plate（4）Upper surface and mechanical locking pneumatic cylinder（9）It is answered at contact point and with the upper surface contact point pair
Load plate（4）Open up cross groove at the contact point of lower surface, cross groove is from mechanical locking pneumatic cylinder（9）With load plate
（4）Model casing is extended at the contact point of upper surface（1）Wall surface；Push rod is buried in cross groove（92）, push rod（92）With wall surface
One end of contact connects lock banking stop（93）；Model casing（1）It is vertical at four contact points of inner wall and cross groove to open up gear grooved
（95）, gear grooved（95）Interior setting gear（94）；
The computer（6）Sensing data is acquired, is used for data analysis, and pass through monitoring control devices sensing data, control
The direction of pressure-loaded and size.
2. super gravity field shaketalle test according to claim 1 adds discharge mechanism, which is characterized in that further include position control
Device processed, the position control include proportioning valve（71）And limiter（72）；
Each pneumatic cylinder（5）The upper pipeline of connection（7）On set gradually proportioning valve（71）, limiter（72）, solenoid valve（73）,
Pressure maintaining valve（74）And flow divider（75）, after pass through pressure main(header) road（8）It is connected to voltage-stablizer（81）And pressure source；
Displacement sensor（63）And proportioning valve（71）Input terminal is connected, proportioning valve（71）Acquire displacement transducer signal and by signal
It is transmitted to controller（64）, controller passes through solenoid valve（73）, proportioning valve（71）And limiter（72）Adjust pneumatic cylinder piston
（51）Position.
3. super gravity field shaketalle test according to claim 1 adds discharge mechanism, which is characterized in that the forging beam is handed over
It is set as disc at remittance, circular through hole is set on disk, bolt blind hole is set around circular through hole；Pneumatic cylinder piston（51）To
Under be vertically installed at reaction frame（3）In reserved through hole, pneumatic cylinder（5）It is fixed by the bolt blind hole around bolt and through-hole,
Pneumatic cylinder piston（51）The polishing head of lower part（52）With load plate（4）Upper surface connected in articulated manner by pin；Institute
State mechanical locking pneumatic cylinder（9）With pneumatic cylinder（5）It is fixed in the same manner on the forging beam added；The reaction frame（3）
It is mounted on model casing by high-strength bolt（1）Top is pneumatic cylinder（5）Counter-force is provided.
4. super gravity field shaketalle test according to claim 1 adds discharge mechanism, which is characterized in that the pneumatic cylinder
（5）Top also sets up air bleeding valve.
5. super gravity field shaketalle test according to claim 1 adds discharge mechanism, which is characterized in that pressure source and voltage stabilizing
Device（81）Between be additionally provided with automatic switch valve（82）, the interface of pressure source passes sequentially through automatic switch valve（82）, voltage-stablizer
（81）, be connected to pneumatic cylinder（5）With mechanical locking pneumatic cylinder（9）, it is pneumatic cylinder（5）With mechanical locking pneumatic cylinder（9）Pressure is provided
Power.
6. super gravity field shaketalle test according to claim 1 adds discharge mechanism, which is characterized in that the pressure source by
Centrifuge baric systerm provides or external electric hydraulic pump.
7. super gravity field shaketalle test according to claim 1 adds discharge mechanism, which is characterized in that the displacement sensing
Device（63）For LVDT displacement sensors.
8. super gravity field shaketalle test according to claim 1 adds discharge mechanism, which is characterized in that in model casing（1）
The model soil body of middle setting（2）Interior setting high frequency seism-induced pore water pressure force snesor, for monitoring soil body pore water pressure.
9. super gravity field shaketalle test according to claim 1 adds discharge mechanism, which is characterized in that the forging beam choosing
With aluminium forging beam.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017202566183 | 2017-03-16 | ||
| CN201720256618 | 2017-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013212U true CN208013212U (en) | 2018-10-26 |
Family
ID=63886487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820242792.7U Withdrawn - After Issue CN208013212U (en) | 2017-03-16 | 2018-02-11 | A kind of super gravity field shaketalle test adds discharge mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208013212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044906A (en) * | 2017-03-16 | 2017-08-15 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of super gravity field shaketalle test adds discharge mechanism and method |
| CN109612904A (en) * | 2018-12-10 | 2019-04-12 | 成都理工大学 | Obtain the device and method of excess pore water pressure and fissure water pressure response characteristic |
-
2018
- 2018-02-11 CN CN201820242792.7U patent/CN208013212U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044906A (en) * | 2017-03-16 | 2017-08-15 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of super gravity field shaketalle test adds discharge mechanism and method |
| CN109612904A (en) * | 2018-12-10 | 2019-04-12 | 成都理工大学 | Obtain the device and method of excess pore water pressure and fissure water pressure response characteristic |
| CN109612904B (en) * | 2018-12-10 | 2021-07-06 | 成都理工大学 | Device and method for acquiring response characteristics of excess pore water pressure and fracture water pressure |
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