CN207178359U - A kind of large-scale static and dynamic plate test loading system - Google Patents
A kind of large-scale static and dynamic plate test loading system Download PDFInfo
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- CN207178359U CN207178359U CN201720953456.9U CN201720953456U CN207178359U CN 207178359 U CN207178359 U CN 207178359U CN 201720953456 U CN201720953456 U CN 201720953456U CN 207178359 U CN207178359 U CN 207178359U
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Abstract
The utility model provides a kind of large-scale static and dynamic plate test loading system, including hydraulic control system, counter force wall and counter-force floor system, the hydraulic control system includes oil sources pipeline module, the hydraulic oil source of power is provided, connect the hydraulic pipeline of hydraulic oil source and each Hydraulic Elements, and hydraulic oil in hydraulic pipeline is transported to the distributor of each actuator, testing load-on module includes applying test specimen the actuator of load, the controller and control software being controlled to actuator and distributor, Test Data Collecting module includes multiple force snesors by being arranged in actuator, the data acquisition unit and data acquisition software of displacement transducer composition, the counter force wall and counter-force floor system include the long counter force wall of L-type arrangement and short counter force wall, and it is laid on the counter-force floor of experiment hall bottom surface.The shock tests such as pseudo-static experimental, pseudo, effective force experiment, real-time bulk testing, remote collaborative pseudo can be achieved.
Description
Technical field
The utility model belongs to building testing field, is related to a kind of loading system, more particularly to a kind of large-scale static and dynamic examination
Test loading system.
Background technology
Structural seismic experiment occupies very important status in the development of aseismic theory, and structural seismic experiment mainly has plan
Slow test, shaking-table test and pseudo, wherein having developed reality again on the basis of Structural Pseudo-dynamic Test Method
When mixing and network cooperating experiment etc. new bulk testing method.For structural test, due to loading equipemtn ability, place
With the restriction of the factor such as experimentation cost, the more dimensional effects based on small-scale model, thus brought of traditional structural test into
For an insoluble problem in experiment.With economic and science and technology development, modern project structure is increasingly intended to large-scale
Change and complicate, full scale structure model test gradually obtains the attention of people.Because prototype avoids small yardstick knot
The defects of structure model test, the interaction between each component of structure, the integral rigidity of structure, the construction of structure can also be arranged
Impose and the actual working state of failure stage is observed comprehensively.
Therefore, utility model one kind can apply static and dynamic load to large scale or full size sample, and maximum can complete eight layers
The large-scale static and dynamic plate test loading system of full size shear wall pseudo is significant.
Utility model content
The utility model provides a kind of large-scale static and dynamic plate test loading system, to solve in the prior art to be difficult to large scale
Or full size sample carries out the problem of static and dynamic loading.
A kind of large-scale static and dynamic plate test loading system, including hydraulic control system, counter force wall and counter-force floor system, it is special
Sign is,
The hydraulic control system includes：
Oil sources pipeline module, including the hydraulic oil source of power is provided, connect the hydraulic pressure of hydraulic oil source and each Hydraulic Elements
Pipeline, and hydraulic oil in hydraulic pipeline is transported to the distributor of each actuator,
Load-on module is tested, including applies the actuator of load, the control being controlled to actuator and distributor to test specimen
Device processed and control software, wherein, a controller controls multiple actuator, is interconnected between the controller；
Test Data Collecting module, including multiple force snesors, displacement transducer by being arranged in actuator form
Data acquisition unit and data acquisition software,
The counter force wall and counter-force floor system include the long counter force wall of L-type arrangement and short counter force wall, and are laid on examination
Test the counter-force floor of hall bottom surface.
Further, the hydraulic oil source includes fuel tank, cooling system, hydraulic pump and hydraulic oil source control system, described
Hydraulic oil source is made up of multiple modules, and the flow of each module is 700L/min, total flow 2800L/min, and each intermodule is adopted
Mutually isolated with valve with parallel connection, each module works independently.
Further, the distributor includes static allocation device and dynamic allocator, wherein, static allocation device is set respectively
On long counter force wall, short counter force wall and counter-force floor, dynamic allocator is arranged on the counter-force of long counter force wall and short counter force wall junction
Floor, and long counter force wall do not join on the counter-force floor of that one end with short counter force wall.
Further, the actuator includes the hinge joints being connected with test specimen, the hinge joints and hydraulic cylinder output end phase
Connect and be driven by it, servo valve is installed on the hydraulic cylinder oil circuit, hydraulic cylinder acts by controlling oil circuit break-make to realize, described
Displacement transducer is provided with hydraulic cylinder, hydraulic cylinder output end sets force sensor, and valve block is used to install oil circuit and servo valve.
Further, the fuel tank is made up of stainless steel material, and the hydraulic pump is constant pressure variable displacement pump, the hydraulic oil source
Control system is distributed frame, and safe threshold is arranged to 75% rated pressure, is stopped automatically when system pressure is less than the threshold values
Machine, and carry out fault alarm, the cooling system by the hydraulic oil source control system according to oil temperature change control its open and
Close.
Further, the oil sources pipeline is made up of hard tube and flexible pipe, and all hard tubes are steel material, wherein, latus rectum is little
Stainless steel is used in DN50, latus rectum uses ordinary carbon steel material more than DN50, and the connection of hard tube uses non-welding structure.
Further, the force snesor precision is higher than 0.5%FS, and institute's displacement sensors high resolution is in 5 μm, precision
Higher than 0.05%FS.
Further, the actuator includes static actuator and dynamic actuator, and wherein static loading actuator is single
Go out rod-type actuator, i.e. hydraulic cylinder only has an output end, the output end in a lateral movement, dynamic load actuator for it is double go out
Bar symmetric form actuator, i.e. hydraulic cylinder have two output ends, respectively in two lateral movements.
Further, the high 25.5m of the short counter force wall, long 16.7m, long counter force wall have hierarchic structure, are highly followed successively by
25.5m, 21m, 15m, length are followed successively by 21.5m, 18m, 10.5m.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is large-scale static and dynamic plate test loading system front view of the present utility model；
Fig. 2 is large-scale static and dynamic plate test loading system top view of the present utility model；
Fig. 3 is large-scale static and dynamic plate test loading system hydraulic control system schematic diagram；
Fig. 4 is partial enlarged drawing at Fig. 3 A；
Fig. 5 is partial enlarged drawing at Fig. 3 B；
Fig. 6 is short counter force wall figure；
Fig. 7 is long counter force wall figure；
Fig. 8 is counter force wall profile；
Fig. 9 is counter-force floor figure；
Figure 10 is static actuator schematic diagram；
Figure 11 is dynamic actuator schematic diagram.
Reference：1- hydraulic oil sources, 2- hydraulic pipelines, 3- distributors, 4- actuator, 5- controllers, 6- control softwares,
The long counter force wall of 7- Test Data Acquisition Systems, 8-, the short counter force walls of 9-, 10- counter-forces floor, 11- fuel tanks, 12- hydraulic pumps, 13- are cold
But system, 14- hydraulic pressure source control system, 15-PLC controllers, 16- electrical control cabinets, 17- hydraulic cylinders, 18- servo valves, 19- positions
Displacement sensor, 20- force snesors, 21- hinge joints, 22- valves block, 23- test specimens, 301- static allocations device, 302- dynamic allocators,
401- static state actuator, 402- dynamic actuator.
Embodiment
With reference to figure 1 and Fig. 2, a kind of large-scale static and dynamic plate test loading system, including hydraulic control system, counter force wall and counter-force
Floor system, the hydraulic control system include：
Oil sources pipeline module, including the hydraulic oil source 1 of power is provided, connect the hydraulic pressure of hydraulic oil source and each Hydraulic Elements
Pipeline 2, and hydraulic oil in hydraulic pipeline 2 is transported to the distributor 3 of each actuator 4,
Load-on module is tested, including applies the actuator 4 of load, the control being controlled to actuator and distributor to test specimen
Device 5 processed and control software 6, wherein, a controller controls multiple actuator, is interconnected between the controller；
Test Data Collecting module, including multiple force snesors 20 by being arranged in actuator, 19 groups of displacement transducer
Into data acquisition unit and data acquisition software,
The counter force wall and counter-force floor system include the long counter force wall 8 and short counter force wall 9 of L-type arrangement, and are laid on
The counter-force floor 10 of experiment hall bottom surface.
Especially, the hydraulic oil source 1 includes fuel tank 11, cooling system 13, hydraulic pump 12 and hydraulic oil source control system
14.Hydraulic oil source uses modularized design, and the flow of each module is 700L/min, total flow 2800L/min, each intermodule
Mutually isolated with valve using parallel connection, each module can work independently.All modules while on-the-job satisfaction system max-flow
The demand of amount.The capacity of fuel tank 11 meets the needs of all hydraulic pump 12 is to oil mass, and hydraulic oil container 11 uses stainless steel material,
It is reasonable in design, meet the requirement such as filtering, anti-leak of hydraulic oil, and there is good sealing property.The cooling system
13 are used to ensure that the temperature of hydraulic oil maintains 38-52 DEG C of sections, to obtain optimal hydraulic pressure life of oil, ensure the normal work of system
Make.
Preferably, hydraulic oil uses Mobil DTE 25, with easy to maintain and increase the service life.The hydraulic pump of hydraulic oil source 1
12 use constant pressure variable displacement pump, and pressure matches with actuator 4 considers oil pipe resistance, and more parallel connection of pumps work, controllable packet is opened.Liquid
Force feed source 1 has the filtering of good hydraulic oil, cleaning function, and filtering accuracy is not more than 3 μ, ensures that the cleannes of hydraulic oil are high
In NASA6 levels.Hydraulic oil source 1 is less than 94dB (A) when rated pressure and metered flow work at hydraulic pressure source noise 1m.Hydraulic pressure
Oil sources 1 provides fluid thief hatch with convenient and safe reliable periodically oil sample detection.
Referring to figs. 3 to Fig. 5, hydraulic pressure source control system 14 uses distributed frame, and field controller uses PLC
15.Hydraulic pressure source control system 14 can emergent stopping work, and show the reason for being stopped；Suddenly hydraulic punch is not produced during power-off
Hit phenomenon；After being re-energised, hydraulic pressure source control system 14 is in a safe condition, will not automatic start work.Hydraulic oil source controls
System 14 has intelligent management control function, realizes the smooth starting and shutdown of hydraulic pump 12.When hydraulic pressure source control system 14 is pressed
Power is improper to be reduced to autostop when below 75% rated pressure, and faulty warning function.Hydraulic pressure source control system 14
The operation of hydraulic pump 12 is arranged according to the working time reasonable arrangement of each hydraulic pump 12.Hydraulic pressure source control system 14 have voltage stabilizing,
The functions such as cooling, anti-leak, real-time display system operating pressure, oil temperature, fuel head, there is oil pressure, high oil temperature, pasta mistake
The safety protection functions such as automatic alarm and oil liquid leakage autostop such as low, oil filter blocking.Possess emergency stop switch, pumping plant
The functions such as switch, oil temperature heating and remote controlled pumping station switch.Operation interface is provided on the relevant control computer of control room to supervise
Survey and control hydraulic power source, operating personnel can observe hydraulic power source relevant information in control room.Can be in control room or hydraulic pressure pump house etc.
Ground is independently controlled to hydraulic power source, and has interlock protection function, it is impossible to which strange land is operated simultaneously, and pump house has preferential control
Function processed.Hydraulic pressure source control system 14 can control distributor 3 to carry out high-low pressure switching and cut-off, to realize the emergent guarantor of system
Shield.Hydraulic pressure source control system 14 can change according to oil temperature can automatically turn on or close cooling system 13, reach the mesh of stable oil temperature
's.The panel of 14 electrical control cabinet of hydraulic pressure source control system 16 has a lockable main roof-cut resistence, to prevent cabinet during stop-band electricity
Door is opened.
With continued reference to Fig. 3, distributor 3 is used for hydraulic oil in hydraulic pipeline 2 to be transported to each actuator 4.Distributor 3 has
There are automatically quick cutoff function and high-low pressure handoff functionality, ensure safety and the smooth starting of loading system actuator 4.Distribution
Device 3 is divided to arranges 27 static allocation devices 301, long counter force wall for 302 two kinds of static allocation device 301 and dynamic allocator, counter force wall
819, short counter force wall 98.1,3,5 layer of every layer of 301,7 layers of static allocation device, 4 static state of arrangement of arrangement 5 of long counter force wall 8
Distributor 301.Long counter force wall 8 arranges 16 spare interfaces of static allocation device 301 altogether at the 2nd, 4,6,8 layer.Short 91 layers of counter force wall
1 static allocation device 301 of~8 layers of every layer of arrangement.4 static allocation devices 301 are arranged in the region of counter-force floor 10.In length counter force wall
The reserving hole of junction counter-force floor 10 is disposed about the interface of 3 dynamic allocators 302, in the long end counter-force of counter force wall 8
The reserving hole of plate 10 is disposed about 3 dynamic allocators 302, and each dynamic allocator 302 connects 2 dynamic actuator 402, moves
State distributor 302 is the structure of packaged type.
Oil sources room meets from hydraulic oil source 1 to the traffic demand of each actuator 4 in basement, the size of hydraulic pipeline 2.
6 component pipelines are shared from main pipeline to each static allocation device 401,3 groups lead to 8 layers, and 2 groups lead to 7 layers, and 1 group leads to 5 layers, point
The traffic demand when flow of pipeline meets all distributors 3 that subtube is connected while worked.The intensity of oil sources pipeline 2 is by confession
Oil designs when being 28MPa.Oil sources pipeline 2 is made up of hard tube and flexible pipe.All hard tubes use steel material, and latus rectum is adopted no more than DN50
With stainless steel, latus rectum uses ordinary carbon steel material more than DN50.The connection of hard tube uses non-welding structure；Flexible pipe is using resistance to
High voltage structures.All hydraulic pipeline 2 passes through cleaning treatment before installing, without any residue, it is ensured that the cleaning inside of hydraulic pipeline 2,
And leakage and compressive resistance experiment is carried out in accordance with regulations.Cleanliness of hydraulic oil meets ISO16/13/9 code requirements.All hard tubes are all
It is prefabricated in factory, pickling, phosphatization and after doing antirust treatment, clogged with stopper, then storage and transport.Hard tube surface paint
Color standard：High-voltage tube：It is red；Oil return pipe：Yellow；Drain mast：Blueness；Mounting bracket：Black.Flexible pipe is that wire is strengthened
, the flexible pipe of high-voltage type, rated pressure is not less than system nominal pressure, safety coefficient 4.The joint of flexible pipe is to be used for flexible pipe
Special joint, when carrying out flexible pipe replacing to actuator 4 and distributor 3, the trapped fuel in flexible pipe does not leak.According to actuator 4
Flow determines the internal diameter of flexible pipe.Flexible pipe one end is connected with distributor 3, and the other end installs the preformed hole of actuator 4 from counter force wall
Aperture 80mm is passed through and is connected with actuator 4.The requirement of the adpting flange of hard tube and flexible pipe：210bar according to the 61st section of SAEJ518C
Connection, 210bar to 345bar according to the 62nd section of SAEJ518C；Or the respective standard according to country.
Control system is responsible for being controlled actuator 4 and distributor 3, including controller 5, control software are mounted in control electricity
Intracerebral 6 and related accessories.Totally 4 controllers 5, wherein 2 controllers 5 each can control 8 actuator 4, another 2 controllers 5
It each can control 16 actuator 4.By every 3 static actuator 401 with 1 static allocation device 301, every 2 dynamic actuator
402 consider the control to distributor 3 with 1 dynamic allocator 302.It can be interconnected between controller 5, coordination is controlled work
Make, reach the maximum ability that can control 48 actuator 4 simultaneously, 4 controllers 5 also can alone or in combination work, carry out simultaneously
Multiple experiments.
Control system feature：
1. control accuracy：Force value display resolution is not more than 0.1kN, and displacement resolution is better than 5 μm.
2. control mode：Each passage individually and Multichannel combination power, displacement close-loop control mode, and possess real-time force-
Displacement handoff functionality is to realize single-degree-of-freedom and multivariant static(al), dynamic test.
3. mode of operation：Manually, full-automatic, semi-automatic Three models.
Manually：Refer to all motor functions of actuator 4, completion can be operated by manual mode.The speed of motion can
With setting, the scope of motion is the motion gamut of actuator 4.
Automatically：For a kind of test specimen, according to certain standard and testing regulations, the program being equipped with according to software itself,
After inputting necessary test parameters, test specimen being placed into correct position, activation system work, system will be in no manual intervention
In the case of be automatically performed the overall process of experiment, including move, load, cooperate with external equipment work, monitoring device operation conditions,
Carry out whole actions such as data acquisition, data processing.
It is semi-automatic：For a kind of test specimen, according to certain standard and testing regulations, the program being equipped with according to software itself,
After inputting necessary test parameters, test specimen being placed into correct position, activation system work, system will be in no manual intervention
In the case of be automatically performed the motion of experiment, loading, monitoring device operation conditions, carry out data acquisition, data processing, but with it is outer
The work such as the coordination of portion's equipment, data acquisition, completed in the case where operator intervenes.So-called manual intervention, refer to by
The instruction that operator sends external equipment work according to test situation, terminated, or send data acquisition, the finger that collection terminates
Order.After machine receives instruction, machine can continue follow-up test work.
4. signal to noise ratio is more than or equal to 90dB.
5. gathering and showing each passage or Multichannel combination data, power kN, displacement mm in real time, resolution ratio is not more than respectively
0.1kN, 0.1mm, sample frequency 2.0kHz.
6. signal generator：With square wave, oblique wave, sine wave and random wave generating ability.
7. warning function：Power, displacement overload alarm, and other improper alarms, the automatic safe that seriously transfinites are shut down.
8. the control function of distributor 3：The on-off of distributor 3, high-low pressure switching, 3 improper alarm of distributor.
9. computer interface：Computer high speed data transfer control interface.
10. sudden-stop function：Control system has more than two scram buttons, and one is placed at controller 5, other for can
Movable type, two scram buttons are independent of each other.
The feature of control software 6：
1. having data-handling capacity, the signal detected can be required to automatically generate criteria table according to user, marked
Quasi- pattern data file.
2. system can control in power and carry out dynamic patten transformation between Bit andits control.
3. in order to carry out the structure static test of complexity, system includes the control mode of " mixed mode ", it is allowed to operates
Personnel define the different axially loaded power of being control or Bit andits control.
4. control software 6 has program capability, it is possible to achieve when quasistatic load, oscillation cycle load, User Defined
Journey loading curve.
5. have advanced mixing model test software, so that user can be by the large-scale single structure component of experimental study, together
When pass through the whole labyrinth of Numerical Simulations.This software is also equipped with intending power and its sub-structural test at a slow speed, intends moving in real time
Power and its sub-structural test, the multiple minor structure Combined Trials of multiple testing equipment networking progress are realized by LAN or internet
Deng the function of bulk testing.This advanced test Solution being capable of the full-scale building test of General Promotion user progress
Ability.
Test Data Acquisition System 7, including the equipment such as force snesor, displacement transducer and data collecting system, for adopting
The data such as the displacement of test specimen and power during collection experiment.
With reference to figure 4, counter force wall is L-shaped, and short 9 high 25.5m of counter force wall, wherein bottom 7 is high 3 meters layer by layer, top floor height 4.5
Rice, long 16.7m, to adapt to the requirement of different dimensional structure experiments.With reference to figure 5, long counter force wall 8 is from corner using stairstepping
Height design, be highly followed successively by 25.5m, 21m, 15m, length is followed successively by 21.5m, 18m, 10.5m.With reference to figure 6, wall uses
Box structure, it is hollow reinforced concrete structure, front and rear wall thickness is 1.5m, and centre is 3.5m passage.Hole on counter force wall
Aperture is 80mm, pitch of holes 500mm, is met at inner partition wall, pitch of holes 1000mm.Less pitch-row can increase experiment cloth
The convenience put, and the accurate loading that larger rigidity requirement can be during guarantee test.
With reference to figure 9, in whole experiment hall, counter-force floor 10 is abound with, area is 3800 square metres.Lead on counter-force floor 10
To be used for fixing test specimen, to prevent the movement of test specimen and rotation.The thickness of counter-force floor 10 is 800mm, equal per 3000mm under floor
Thickness 500mm wall of putting more energy into is set, to increase the bearing capacity on counter-force floor 10.
With reference to figure 10 and Figure 11, actuator 4 includes the hinge joints 21 being connected with test specimen, and the hinge joints and hydraulic cylinder 17 are defeated
Go out end to be connected and be driven by it, servo valve 18 is installed on the hydraulic cylinder oil circuit, by controlling oil circuit break-make to realize hydraulic cylinder
Act, displacement transducer 19 is provided with the hydraulic cylinder, hydraulic cylinder output end sets force sensor 20, and valve block 22 is used to pacify
Charge of oil road and servo valve.The precision of force snesor 20 is better than 0.5%FS, and the resolution ratio of displacement transducer 19 is better than 5 μm, and precision is better than
0.05%FS.The actuator 4 includes static actuator 401 and dynamic actuator 402, and wherein static loading actuator 401 is
Singly go out rod-type actuator, i.e. hydraulic cylinder only has an output end, and the output end is in a lateral movement, dynamic load actuator 402
For double rod symmetric form actuator, i.e. hydraulic cylinder has two output ends, respectively in two lateral movements.
Actuator 4 configures as shown in table 1 below.
The actuator allocation table of table 1
Note：Rated pressure 21MPa.
Large-scale static and dynamic plate test loading system of the present utility model, pseudo-static experimental, pseudo, effective force can be achieved
The shock test such as experiment, real-time bulk testing, remote collaborative pseudo, maximum can complete eight layers of full size shear wall and intend power
Experiment.In a kind of embodiment, the step of eight layers of full size shear wall pseudo is carried out using large-scale static and dynamic plate test loading system
It is rapid as follows：
1. plan design
Testing crew carries out the plan designs such as plan power, Quintic system, including examination according to country, professional standard regulation
Part design, loading method design, measurement scheme design, pseudo design, pseudo-static experimental design and other experimental designs.
2. test specimen is built
Designed according to test specimen 23, mainly the construction drawing of test specimen 23, according to drawing requirement site operation, build test specimen
23.Due to being bidirectional experimental, test specimen 23 is located at long counter force wall 8 and the junction of short counter force wall 9, and position is as depicted in figs. 1 and 2.Such as
Fruit is single pass test, and test specimen 23 can be located at the long other positions of counter force wall 8.
3. actuator, data acquisition equipment and the installation of other auxiliary equipments
According to testing program, actuator 4, data acquisition equipment 7 and other auxiliary equipments are installed on test specimen 23.With control
Actuator 4, distributor 3 are connected by cable processed with controller 5, and controller 5 is connected with equipped with the computer of control software 6.
4. experiment
Large-scale static and dynamic plate test loading system loads the course of work：
Opening is equipped with hydraulic power source control software computer, starts hydraulic pressure source control system 14, controls the hydraulic pump 12 of hydraulic oil source 1
Start, produce hydraulic oil.
Start controller 5, open control software 6, control software 6 controls controller 5.So, by manipulating control software 6
Controllable actuator 4 and distributor 3.
The hydraulic pump 12 of hydraulic oil source 1 output high pressure liquid force feed, by hydraulic pipeline 2, reaches distributor 3, control software 6 is pressed
According to being actually needed, control distributor 3 switch and high-low pressure switching, high pressure liquid force feed passes through distributor 3, into the servo of actuator 4
Valve 18.
Each actuator 4 is loaded parameter, is input to control software 6 by testing crew according to testing program.Control software 6
By controlling each servo valve 18 of actuator 4, control actuator 4 carries out loading work as requested.
Data acquisition equipment 7 is opened, entirely tests process, data acquisition equipment 7 gathers the stress of test specimen 23, strain, displacement
Etc. data, and preserve.
5. test data interpretation of result
Process observation experimental phenomena is tested, after the completion of experiment, marks cracks at different levels on test specimen 23.Testing crew analyze data
The data that collecting device 7 gathers, repairing experiment report.
6. test specimen is removed
After the completion of experiment, actuator 4, data acquisition equipment 7 and other auxiliary equipments on test specimen 23 are pulled down, by test specimen 23
Remove, and transport trial zone, whole experiment is completed.
The beneficial effects of the utility model are：1 maximum can complete eight layers of full size shear wall pseudo.2 can realize plan
The shock test such as slow test, pseudo, effective force experiment, real-time bulk testing, remote collaborative pseudo.34
Controller can interconnect, coordinate to be controlled work, reach the maximum ability that can control 48 actuator simultaneously, 4 controllers
It can alone or in combination work, while carry out multiple experiments.
Example discussed above is only that large-scale static and dynamic plate test loading system embodiment of the present utility model is carried out
Description, is not defined to the scope of the utility model, on the premise of the utility model design spirit is not departed from, this area
The various modifications and improvement that those of ordinary skill makes to the technical solution of the utility model, all should fall into the utility model right
In the protection domain that claim determines.
Claims (9)
1. a kind of large-scale static and dynamic plate test loading system, including hydraulic control system, counter force wall and counter-force floor system, its feature
It is, the hydraulic control system includes：Oil sources pipeline module, including the hydraulic oil source (1) of power is provided, connect hydraulic oil source
With the hydraulic pipeline (2) of each Hydraulic Elements, and by hydraulic pipeline (2) interior hydraulic oil be transported to each actuator (4) point
Orchestration (3), load-on module is tested, including apply the actuator (4) of load to test specimen (23), actuator and distributor are controlled
The controller (5) and control software (6) of system, wherein, a controller controls multiple actuator, is interconnected between the controller,
Test Data Collecting module, including multiple force snesors (20) by being arranged in actuator, displacement transducer (19) form
Data acquisition unit and data acquisition software, the counter force wall and counter-force floor system include the long counter force wall (8) and short of L-type arrangement
Counter force wall (9), and it is laid on the counter-force floor (10) of experiment hall bottom surface.
2. large-scale static and dynamic plate test loading system according to claim 1, it is characterised in that the hydraulic oil source includes oil
Case (11), cooling system (13), hydraulic pump (12) and hydraulic oil source control system (14), the hydraulic oil source is by multiple module groups
Into the flow of each module is 700L/min, and total flow 2800L/min, each intermodule uses parallel connection, mutual with valve
Isolation, each module work independently.
3. large-scale static and dynamic plate test loading system according to claim 1, it is characterised in that the distributor includes static state
Distributor (301) and dynamic allocator (302), wherein, static allocation device is separately positioned on long counter force wall (8), short counter force wall (9)
With counter-force floor (10), dynamic allocator is arranged on the counter-force floor of long counter force wall and short counter force wall junction, and long counter-force
Wall does not join on the counter-force floor of that one end with short counter force wall.
4. large-scale static and dynamic plate test loading system according to claim 1, it is characterised in that the actuator (4) includes
The hinge joints (21) being connected with test specimen, the hinge joints are connected and are driven by it, the hydraulic cylinder with hydraulic cylinder (17) output end
Servo valve (18) is installed, hydraulic cylinder is acted by controlling oil circuit break-make to realize, displacement is provided with the hydraulic cylinder on oil circuit
Sensor (19), hydraulic cylinder output end set force sensor (20), and valve block (22) is used to install oil circuit and servo valve.
5. large-scale static and dynamic plate test loading system according to claim 2, it is characterised in that the fuel tank is by stainless steel
Material is made, and the hydraulic pump is constant pressure variable displacement pump, and the hydraulic oil source control system is distributed frame, and safe threshold is arranged to
75% rated pressure, the autostop when system pressure is less than the threshold values, and carry out fault alarm, the cooling system (13) by
The hydraulic oil source control system (14) is according to its opening and closing of oil temperature change control.
6. large-scale static and dynamic plate test loading system according to claim 2, it is characterised in that the oil sources pipeline (2) by
Hard tube and flexible pipe composition, all hard tubes are steel material, wherein, latus rectum uses stainless steel no more than DN50, and latus rectum is more than
DN50 uses ordinary carbon steel material, and the connection of hard tube uses non-welding structure.
7. large-scale static and dynamic plate test loading system according to claim 4, it is characterised in that the force snesor precision is high
In 0.5%FS, for institute's displacement sensors high resolution in 5 μm, precision is higher than 0.05%FS.
8. large-scale static and dynamic plate test loading system according to claim 4, it is characterised in that the actuator (4) includes
Static actuator (401) and dynamic actuator (402), wherein static loading actuator (401) are singly to go out rod-type actuator, i.e. liquid
Cylinder pressure only has an output end, and for the output end in a lateral movement, dynamic load actuator (402) is double rod symmetric form starts
Device, i.e. hydraulic cylinder have two output ends, respectively in two lateral movements.
9. large-scale static and dynamic plate test loading system according to claim 1, it is characterised in that the short counter force wall (9) is high
25.5m, long 16.7m, long counter force wall (8) have hierarchic structure, are highly followed successively by 25.5m, 21m, 15m, length is followed successively by
21.5m、18m、10.5m。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387497A (en) * | 2017-08-01 | 2017-11-24 | 中国建筑股份有限公司 | A kind of large-scale static and dynamic plate test loading system |
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2017
- 2017-08-01 CN CN201720953456.9U patent/CN207178359U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387497A (en) * | 2017-08-01 | 2017-11-24 | 中国建筑股份有限公司 | A kind of large-scale static and dynamic plate test loading system |
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