CN206583718U - Pseudo- three axles test device based on dynamic fatigue test machine - Google Patents
Pseudo- three axles test device based on dynamic fatigue test machine Download PDFInfo
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- CN206583718U CN206583718U CN201720206887.9U CN201720206887U CN206583718U CN 206583718 U CN206583718 U CN 206583718U CN 201720206887 U CN201720206887 U CN 201720206887U CN 206583718 U CN206583718 U CN 206583718U
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- balancing gate
- gate pit
- base
- piston
- dynamic fatigue
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Abstract
The utility model discloses a kind of pseudo- three axles test device based on dynamic fatigue test machine, including column, column upper and lower side is correspondingly provided with hydraulic chuck and lower hydraulic chuck respectively, upper hydraulic chuck connection uploads the upper end of compression leg, upload the upper contiguous block of lower end connection of compression leg, upper contiguous block lower end is installed with balancing gate pit's main body, pressure chamber base is correspondingly provided with below balancing gate pit's main body, pressure chamber base is fixedly mounted on dolly, lower connecting block is provided with below dolly, lower connecting block is fixedly mounted on dolly by connecting plate, the lower hydraulic chuck of lower connecting block connection；The device of the utility model design is reequiped on the basis of dynamic fatigue test machine, make it can be under different confined pressures, measure the elastic parameter of rock, and complete strain-gauge test, creep test, relaxation test, and simulation Original strata stress level under formation testing flow parameter, test rock fracture toughness and stratum Original strata stress.
Description
Technical field
The utility model belongs to rock triaxial test apparatus field, particularly a kind of puppet three based on dynamic fatigue test machine
Axle test device.
Background technology
Under natural endowment, the earth's crust and engineering rock mass are deformed and destroyed under complicated combined stress state.
Rock mass is a kind of complicated geologic body, in complicated 3-D stree field, and rock mass damage is often as answering for its preservation
Caused by power state changes.Normal triaxial rock mechanics experiment is typically all to apply certain confined pressure, Ran Houbao to rock
Holding confined pressure constant (i.e. σ 2=σ 3) increase maximum principal stress σ 1 destroys rock, and this test method can only study axial symmetry
Stress state, be not suitable for intermediate principal stress to rock mass strength and deformation influence.
Utility model content
A kind of pseudo- three axles test device based on dynamic fatigue test machine is provided, the device of the utility model design is in dynamic
Reequiped on the basis of fatigue tester, make it that the elastic parameter of rock under different confined pressures, can be measured, and complete strain
Experiment, creep test, relaxation test, and under simulation Original strata stress level formation testing flow parameter, test rock it is disconnected
Split the Original strata stress on toughness and stratum.
In order to solve the above technical problems, the utility model provides a kind of pseudo- three axle test based on dynamic fatigue test machine
Device, including column, column upper and lower side are correspondingly provided with hydraulic chuck and lower hydraulic chuck respectively, and upper hydraulic chuck connection is uploaded
The upper end of compression leg, uploads the upper contiguous block of lower end connection of compression leg, upper contiguous block lower end is installed with balancing gate pit's main body, balancing gate pit
Pressure chamber base is correspondingly provided with below main body, pressure chamber base is fixedly mounted on dolly, provided with least 2 sides below dolly
Axletree, square axletree two ends are separately installed with wheel, and wheel is arranged on guide rail, and guide rail is horizontally arranged at the middle part of column, guide rail
Downward vertical is provided with pillar, and the bottom of pillar is arranged on lower guideway, and lower guideway is horizontally arranged at the bottom of column, dolly
Lower section is provided with lower connecting block, and lower connecting block is fixedly mounted on dolly by connecting plate, the lower hydraulic chuck of lower connecting block connection；
Balancing gate pit's main body includes being provided with hollow balancing gate pit inner chamber inside pressure chamber cylinder, pressure chamber cylinder；In balancing gate pit inner chamber
Provided with dividing plate, balancing gate pit inner chamber is divided into a top and cylinder bottom by dividing plate, and cylinder lower sides are provided with pressure chamber cylinder oilhole, dividing plate
Through hole is provided with, cylinder upper interior portion is provided with balancing gate pit's piston, and the lower end of balancing gate pit's piston passes through the through hole on dividing plate；Live balancing gate pit
Times cap and transit plug are sequentially provided with from top to bottom between plug and cylinder upper inside wall, and times cap on the contact surface of balancing gate pit's piston with installing
There is the 5th sealing ring, transit plug on the contact surface of balancing gate pit's piston with being provided with the 4th sealing ring, and transit plug connects with cylinder top
3rd sealing ring is installed, balancing gate pit's piston is lived with being provided with the second sealing ring, balancing gate pit on the contact surface on cylinder top in contacting surface
The first sealing ring is installed on contact surface between plug and the inwall of institute's through hole；Balancing gate pit's internal piston is provided with balancing gate pit's piston
Hole, balancing gate pit's piston, which is located to be provided with cushion cover, cushion cover in the inner chamber of cylinder bottom, is provided with external ball surface, outside external ball surface
Side, which is installed, is provided with ball cup below Internal Spherical Surface body, Internal Spherical Surface body, ball cup is fixedly connected with cushion block；
Pressure chamber base includes base, and base is provided with the second cushion block, and the second cushion block is provided with the first cushion block, chassis outer side
Bearing shell is installed, chassis interior is arranged on the upper surface of base provided with least two groups base oilholes, the upper end open of base oilhole
On, the lower ending opening of base oilhole, which is arranged at the sidewall bottom of base, and the lower ending opening of base oilhole, installs sealing stud
Or sealing bolt.
The technical scheme that the utility model is further limited is：
It is bolted between foregoing upper contiguous block and balancing gate pit's main body.
Foregoing pillar parallel posts are set.
Foregoing guide rail is parallel to each other with lower guideway and position is corresponding.
Aforementioned pressure room piston hole is vertically arranged, and internal thread is provided with its lower ending opening, and balancing gate pit's piston hole is additionally provided with
End opening and sidewall opening.
Foregoing cushion cover is arranged on by screw at the lower ending opening of balancing gate pit's piston hole.
Further,
Foregoing first cushion block and the second cushion block, between the second cushion block and base, are connected by straight pin.
6th sealing ring and the 7th sealing ring are installed on said base outer surface.
Socket sealing nut on the outside of aforementioned seal bolt, sealing nut is arranged at the lower ending opening of base oilhole.
The inside of aforementioned seal nut, sealing bolt and sealing stud is the structure along its installation direction perforate.
The beneficial effects of the utility model are：
The axially loaded of the utility model device is to be based on existing dynamic fatigue test machine, such as：MTS 2500kN dynamics
Main frame；Balancing gate pit uses high quality alloy steel forging, plating hard chromium on surface, and balancing gate pit uses self-balance structure, that is, applies confined pressure to axle
There is no any influence to power；Control system uses the original-pack German DO LI Full-digital servo controllers of import, control system control
Precision is high, defencive function is complete, highly reliable, and can realize the closed-loop control of three kinds of modes such as test force, deformation, displacement,
Taking over seamlessly for three kinds of control modes can be completed simultaneously, be a kind of ideal controller.Electrohydraulic servo valve uses the U.S.
The electrohydraulic servo valve of MOOG companies, the response valve is fast, contamination resistance is strong.The computer system of testing machine is using in the market
State-of-the-art Dell's main frame, software is run under WINDOWS environment, with good man-machine interface, can show confined pressure, hole
A variety of experiments such as gap water pressure, control mode, loading speed and measurement parameter and a variety of trial curves.Can be with after the completion of experiment
Result of the test is shown, tracing analysis is carried out, test report, the data export form such as text or excel is printed.Also have advanced
Controller is combined with electronic computer, very simple and convenient using operating.
In the device of the utility model design, upper hydraulic chuck and lower hydraulic chuck that dynamic fatigue test machine has in itself
Respectively as reinforcing part and support member.Install after sample, put cushion block well in pressure chamber base（It is fixed to be set between cushion block
Position pin）, make the total height of the sample assembled, cushion block and joint bearing block three in 290 ± 20mm（The pressure interior space）；
The plug of extensometer is inserted on the socket in pressure chamber base；Balancing gate pit's main body is lifted into pressure chamber base, during operation
It should be noted that balancing gate pit's main body should not encounter other parts, then three clip blocks are closed, on grip ring set；By whole balancing gate pit
（Including balancing gate pit's main body, pressure chamber base and sample）It is lifted on guide rail；Compression leg will be uploaded and be clamped in dynamic fatigue test machine
Upper hydraulic chuck on, below lower pressure transmission post precession balancing gate pit dolly, by balancing gate pit's dolly promote dynamic fatigue test machine in
Between；Risen with dynamic fatigue test machine crossbeam and sling balancing gate pit's main body and dolly higher than guide rail, balancing gate pit's main body and dolly are revolved
It turn 90 degrees, then is declined with crossbeam in the lower hydraulic chuck for making lower pressure transmission post enter dynamic fatigue test machine and clamped；By extensometer
Measurement line plug is inserted on the socket outside pressure chamber base；Confined pressure high-voltage tube, topping up pipe and blast pipe are connected in balancing gate pit,
And carry out topping up；Upper electricity simultaneously tested by runs software；Start Hydraulic servo system oil pump, plus confined pressure；When confined pressure is added to specified target
Afterwards, it is possible to tested with dynamic fatigue test machine loading axial force；Experiment completes to preserve data；First with dynamic after off-test
Confined pressure is unloaded again after state fatigue tester unloading axial force；Open the deflation threshold switch above balancing gate pit（Counterclockwise）；Open pressure
The valve for connecing low-voltage tube below power room（Inner side）Switch；Open the A threshold switch on booster cabinet；Press filling on control cabinet panel
Liquid pump-oil return button, illustrates empty in balancing gate pit when having bubble sound in topping up oil sources oil drum, presses stopping
Button；Upper and lower suspension ring are screwed out into upper compression leg and balancing gate pit's pressure transmission post respectively, the lower hydraulic chuck of dynamic fatigue test machine unclamps；
Extensometer measurement line plug is pulled up from the socket outside pressure chamber base；By confined pressure high-voltage tube, topping up pipe and blast pipe from pressure
Pulled down in the main body of power room；Risen with the crossbeam of dynamic fatigue test machine and sling balancing gate pit's main body and dolly higher than guide rail, by pressure
Room and dolly are rotated by 90 °, then being declined with crossbeam makes the four wheels of balancing gate pit's main body and dolly fall on guide rail；By balancing gate pit
Main body is removed and takes out sample, off-test.
It is axially loaded to be equipped with dynamic fatigue test machine in the utility model device, to realize rock under normal temperature environment
A variety of experiments, including：Under different confined pressures, the elastic parameter of rock is measured；Resultant stress, strain-gauge test, obtain peak strength and
Residual strength；Creep test；Relaxation test；The flow parameter of formation testing under simulation Original strata stress level；Test rock
Fracture toughness；The Original strata stress of formation testing；And other various experiments under dynamic；The utility model is simple to operate, performance
Stable, experimental data is accurate, and the pseudo- triaxial test cost of rock is reduced to a certain extent.
Brief description of the drawings
Fig. 1 is the front view of balancing gate pit's closure state of the present utility model；
Fig. 2 is the lateral plan of balancing gate pit's separated position of the present utility model；
Fig. 3 is the structural representation of balancing gate pit's main body；
Fig. 4 is the structural representation of pressure chamber base；
Wherein, 1- lower guideways, 2- lower connecting blocks, the upper contiguous blocks of 3-, 4- side's axletree, 5- connecting plates, 6- columns, the upper pressure transmissions of 7-
Hydraulic chuck, 801- balancing gate pits under post, 8- balancing gate pits main body, 9- pressure chamber bases, 10- guide rails, 11- wheels, 12- pillars, 13-
Piston, 802- pressure chamber cylinders, 803- balancing gate pits piston hole, 804- screws, 805- cushion covers, 806- external ball surfaces, 807- Internal Spherical Surfaces
Body, 808- ball cups, the upper cushion blocks of 809-, 810- pressure chamber cylinder oilholes, the sealing rings of 811- first, the sealing rings of 812- second, 813-
Transit plug, 814- times of cap, the sealing rings of 815- the 3rd, the sealing rings of 816- the 4th, the sealing rings of 817- the 5th, 818- balancing gate pits inner chamber；
The cushion blocks of 901- first, the cushion blocks of 902- second, 903- straight pins, 904- bases, 905- bearing shells, 906- sealing nuts, 907- sealings
Bolt, 908- base oilholes, 909- sealing studs, the sealing rings of 910- the 6th, the sealing rings of 911- the 7th.
Embodiment
Embodiment 1
The present embodiment provides a kind of pseudo- three axles test device based on dynamic fatigue test machine, structure as shown in Figure 1 and Figure 2,
Including column 6, the upper and lower side of column 6 is correspondingly provided with hydraulic chuck and lower hydraulic chuck 13 respectively, and upper hydraulic chuck connection is uploaded
The upper end of compression leg 7, uploads the upper contiguous block 3 of lower end connection of compression leg 7, and the upper lower end of contiguous block 3 is installed with balancing gate pit's main body 8,
The lower section of balancing gate pit's main body 8 is correspondingly provided with pressure chamber base 9, and pressure chamber base 9 is fixedly mounted on dolly, is provided with below dolly
At least 2 square axletrees 4, the square two ends of axletree 4 are separately installed with wheel 11, and wheel 11 is arranged on guide rail 10, the level of guide rail 10 peace
Mounted in the middle part of column 6, the downward vertical of guide rail 10 is provided with pillar 12, and the bottom of pillar 12 is arranged on lower guideway 1, under lead
Rail 1, which is horizontally arranged at below the bottom of column 6, dolly, is provided with lower connecting block 2, and lower connecting block 2 is fixedly mounted on by connecting plate 5
On dolly, the lower hydraulic chuck 13 of the connection of lower connecting block 2；As shown in figure 3, balancing gate pit's main body 8 includes pressure chamber cylinder 802, balancing gate pit
The inside of cylinder 802 is provided with hollow balancing gate pit inner chamber 818；Dividing plate is provided with balancing gate pit inner chamber 818, dividing plate is by balancing gate pit inner chamber 818
It is divided into a top and cylinder bottom, cylinder lower sides are provided with pressure chamber cylinder oilhole 810, and dividing plate is provided with through hole, cylinder upper interior portion
Provided with balancing gate pit's piston 801, the lower end of balancing gate pit's piston 801 passes through the through hole on dividing plate；In balancing gate pit's piston 801 and cylinder top
Times cap 814 and transit plug 813 are sequentially provided between wall from top to bottom, times cap 814 on the contact surface of balancing gate pit's piston 801 with installing
There is the 5th sealing ring 817, transit plug 813 on the contact surface of balancing gate pit's piston 801 with being provided with the 4th sealing ring 816, transit plug
813 with being provided with the 3rd sealing ring 815 on the contact surface on cylinder top, balancing gate pit's piston 801 on the contact surface on cylinder top with installing
Have and the first sealing ring 811 is installed on the second sealing ring 812, the contact surface between balancing gate pit's piston 801 and the inwall of institute's through hole；
The inside of balancing gate pit's piston 801 is provided with balancing gate pit's piston hole 803, and the lower end of balancing gate pit's piston 801, which is located in the inner chamber of cylinder bottom, installs
Have and external ball surface 806 is installed on cushion cover 805, cushion cover 805, Internal Spherical Surface body 807, Internal Spherical Surface body are installed in the outside of external ball surface 806
807 lower sections are provided with ball cup 808, and ball cup 808 is fixedly connected with cushion block 809；As shown in figure 4, pressure chamber base 9 includes base
904, base 904 is provided with the second cushion block 902, and the second cushion block 902 is provided with the first cushion block 901, and the outside of base 904 is provided with axle
Watts 905, the inside of base 904 is provided with least two groups base oilholes 908, and the upper end open of base oilhole 908 is arranged on base 904
On upper surface, the lower ending opening of base oilhole 908 is arranged on the sidewall bottom of base 904, and the lower ending opening of base oilhole 908
Place is installed by sealing stud 909 or sealing bolt 907.
It is bolted between foregoing upper contiguous block 3 and balancing gate pit's main body 8.The parallel posts 6 of foregoing pillar 12 are set.Before
State that guide rail 10 is parallel to each other with lower guideway 1 and position is corresponding.Aforementioned pressure room piston hole 803 is vertically arranged, its lower ending opening
Place is provided with internal thread, and balancing gate pit's piston hole 803 is additionally provided with upper end open and sidewall opening.Foregoing cushion cover 805 is pacified by screw 804
At the lower ending opening of balancing gate pit's piston hole 803.The foregoing cushion block 902 of first cushion block 901 and second, the second cushion block 902 and bottom
Between seat 904, it is connected by straight pin 903.The He of the 6th sealing ring 910 is installed on the outer surface of said base 904
7th sealing ring 911.The outside of aforementioned seal bolt 907 socket sealing nut 906, sealing nut 906 is arranged on base oilhole 908
Lower ending opening at.The inside of aforementioned seal nut 906, sealing bolt 907 and sealing stud 909 is to be opened along its installation direction
The structure in hole.
In the present embodiment device, the upper hydraulic chuck and lower hydraulic chuck that dynamic fatigue test machine has in itself respectively as
Reinforce part and support member.Install after sample, put cushion block well in pressure chamber base（Alignment pin is set between cushion block）, make
The total height of the sample, cushion block and the joint bearing block three that assemble are in 290 ± 20mm（The pressure interior space）；By extensometer
Plug be inserted on the socket in pressure chamber base；Balancing gate pit's main body is lifted into pressure chamber base, pressure is should be noted that during operation
Power room main body should not encounter other parts, then three clip blocks are closed, on grip ring set；By whole balancing gate pit（Including pressure
Room main body, pressure chamber base and sample）It is lifted on guide rail；Upload compression leg is clamped in the upper hydraulic clip of dynamic fatigue test machine
On head, below lower pressure transmission post precession balancing gate pit dolly, balancing gate pit's dolly is promoted in the middle of dynamic fatigue test machine；It is tired with dynamic
Labor testing machine crossbeam, which rises, slings balancing gate pit's main body and dolly higher than guide rail, and balancing gate pit's main body and dolly are rotated by 90 °, then uses
Crossbeam declines in the lower hydraulic chuck for making lower pressure transmission post enter dynamic fatigue test machine and clamped；Extensometer measurement line plug is inserted
On socket outside to pressure chamber base；Confined pressure high-voltage tube, topping up pipe and blast pipe are connected in balancing gate pit, and carry out topping up；
Upper electricity simultaneously tested by runs software；Start Hydraulic servo system oil pump, plus confined pressure；After confined pressure is added to specified target, it is possible to use
Dynamic fatigue test machine loading axial force is tested；Experiment completes to preserve data；Dynamic fatigue test is first used after off-test
Confined pressure is unloaded again after machine unloading axial force；Open the deflation threshold switch above balancing gate pit（Counterclockwise）；Open below balancing gate pit
Connect the valve of low-voltage tube（Inner side）Switch；Open the A threshold switch on booster cabinet；Press charging pump-oil return on control cabinet panel
Button, illustrates empty in balancing gate pit when having bubble sound in topping up oil sources oil drum, presses stop button；Will
Upper and lower suspension ring screw out compression leg and balancing gate pit's pressure transmission post respectively, and the lower hydraulic chuck of dynamic fatigue test machine unclamps；By extensometer
Measurement line plug is pulled up from the socket outside pressure chamber base；By confined pressure high-voltage tube, topping up pipe and blast pipe from balancing gate pit's main body
On pull down；Risen with the crossbeam of dynamic fatigue test machine and sling balancing gate pit's main body and dolly higher than guide rail, by balancing gate pit and dolly
It is rotated by 90 °, then being declined with crossbeam makes the four wheels of balancing gate pit's main body and dolly fall on guide rail；Balancing gate pit's main body is removed
And take out sample, off-test.
Embodiment 2
The present embodiment provides a kind of pseudo- three axles method of testing based on dynamic fatigue test machine, comprises the following specific steps that：
Step（One）, sample is assembled into sample component on request；
Step（Two）, cushion block is installed in pressure chamber base 9, then sample component is placed on cushion block, cushion block includes the
Pin 903 is used between one cushion block 901 and the second cushion block 902, and pressure chamber base 9, the first cushion block 901 and the second cushion block 902
It is attached positioning, and causes the total height of " cushion block+sample component+upper cushion block 809+ joint bearing blocks " not 290 ± 20mm,
Wherein joint bearing block includes cushion cover 805, external ball surface 806 and the Internal Spherical Surface body 807 installed successively from the inside to the outside；
Step（Three）, balancing gate pit's main body 8 is lifted into pressure chamber base 9, and bearing shell 905 closed be locked, will be whole
Balancing gate pit is lifted on guide rail, and balancing gate pit includes balancing gate pit's main body 8 and pressure chamber base 9 closed together；
Step（Four）, by upload compression leg 7 be clamped on the upper hydraulic chuck of dynamic fatigue test machine, by lower pressure transmission post precession
Dolly bottom, and dolly is promoted in the middle of dynamic fatigue test machine；
Step（Five）, the difference precession of upper and lower suspension ring uploaded in compression leg 7 and lower pressure transmission post, chain is connected to upper and lower hang
Between ring；
Step（Six）, risen by the crossbeam of dynamic fatigue test machine and to sling balancing gate pit and dolly makes it higher than guide rail 10,
Balancing gate pit and dolly are rotated by 90 °, then decline the lower hydraulic chuck for making lower pressure transmission post enter dynamic fatigue test machine by crossbeam
In 13 and clamp；
Step（Seven）, confined pressure high-voltage tube, topping up pipe and blast pipe be connected to balancing gate pit, and pass through balancing gate pit's piston hole
803 and base oilhole 908 carry out topping up；
Step（Eight）, it is upper electricity operation, and start Hydraulic servo system oil pump loading confined pressure, after confined pressure is loaded into specified numerical value,
Axial force can be loaded by dynamic fatigue test machine be tested, and preserve after the completion of experiment data；
Step（Nine）, axial force is unloaded by dynamic fatigue test machine first after off-test, then unload confined pressure, emptying pressure
Hydraulic oil in power room, and pull out confined pressure high-voltage tube, topping up pipe and blast pipe；
Step（Ten）, risen by the crossbeam of dynamic fatigue test machine and to sling balancing gate pit and dolly is higher than guide rail 10, will press
Power room and dolly are rotated by 90 °, then being declined by crossbeam makes the four wheels of dolly fall on guide rail；
Step（11）, by balancing gate pit's main body 8 from upload compression leg 7 on disassemble, by balancing gate pit integrally pushed away along guide rail 10
Go out, take guide rail 10 apart, lift balancing gate pit's main body 8 and take out sample component, off-test.
Above example is only explanation technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality
Within the scope of novel protected.
Claims (10)
1. a kind of pseudo- three axles test device based on dynamic fatigue test machine, including column（6）, the column（6）Upper and lower side point
Hydraulic chuck and lower hydraulic chuck are not correspondingly provided with（13）, it is characterised in that the upper hydraulic chuck connection uploads compression leg（7）
Upper end, the upload compression leg（7）The upper contiguous block of lower end connection（3）, the upper contiguous block（3）Lower end is installed with pressure
Room main body（8）, balancing gate pit's main body（8）Lower section be correspondingly provided with pressure chamber base（9）, the pressure chamber base（9）It is fixed
On dolly, provided with least 2 square axletrees below the dolly（4）, side's axletree（4）Two ends are separately installed with wheel
（11）, the wheel（11）It is arranged on guide rail（10）On, the guide rail（10）It is horizontally arranged at column（6）Middle part, it is described to lead
Rail（10）Downward vertical is provided with pillar（12）, the pillar（12）Bottom be arranged on lower guideway（1）On, the lower guideway
（1）It is horizontally arranged at column（6）Bottom, be provided with lower connecting block below the dolly（2）, the lower connecting block（2）By even
Fishplate bar（5）It is fixedly mounted on dolly, the lower connecting block（2）The lower hydraulic chuck of connection（13）；
Balancing gate pit's main body（8）Including pressure chamber cylinder（802）, the pressure chamber cylinder（802）Inside is provided with hollow balancing gate pit
Inner chamber（818）；The balancing gate pit inner chamber（818）In be provided with dividing plate, the dividing plate is by balancing gate pit inner chamber（818）Be divided into a top and
Cylinder bottom, the cylinder lower sides are provided with pressure chamber cylinder oilhole（810）, the dividing plate is provided with through hole, in the cylinder top
Portion is provided with balancing gate pit's piston（801）, balancing gate pit's piston（801）Lower end through the through hole on the dividing plate；The pressure
Room piston（801）It is sequentially provided with a times cap from top to bottom between cylinder upper inside wall（814）And transit plug（813）, described times of cap
（814）With balancing gate pit's piston（801）Contact surface on the 5th sealing ring is installed（817）, the transit plug（813）With balancing gate pit
Piston（801）Contact surface on the 4th sealing ring is installed（816）, the transit plug（813）With pacifying on the contact surface on cylinder top
Equipped with the 3rd sealing ring（815）, balancing gate pit's piston（801）With being provided with the second sealing ring on the contact surface on cylinder top
（812）, balancing gate pit's piston（801）The first sealing ring is installed on contact surface between the inwall of institute through hole（811）；Institute
State balancing gate pit's piston（801）Inside is provided with balancing gate pit's piston hole（803）, balancing gate pit's piston（801）Lower end is located at cylinder bottom
Inner chamber in cushion cover is installed（805）, the cushion cover（805）On external ball surface is installed（806）, the external ball surface（806）
Outside is installed by Internal Spherical Surface body（807）, the Internal Spherical Surface body（807）Lower section is provided with ball cup（808）, the ball cup（808）Gu
The fixed upper cushion block of connection（809）；
The pressure chamber base（9）Including base（904）, the base（904）It is provided with the second cushion block（902）, described second
Cushion block（902）It is provided with the first cushion block（901）, the base（904）Outside is provided with bearing shell（905）, the base（904）It is interior
Portion is provided with least two groups base oilholes（908）, the base oilhole（908）Upper end open be arranged on base（904）Upper end
On face, the base oilhole（908）Lower ending opening be arranged on base（904）Sidewall bottom, and the base oilhole（908）
Lower ending opening at install sealing stud（909）Or sealing bolt（907）.
2. the pseudo- three axles test device according to claim 1 based on dynamic fatigue test machine, it is characterised in that on described
Contiguous block（3）With balancing gate pit's main body（8）Between be bolted.
3. the pseudo- three axles test device according to claim 1 based on dynamic fatigue test machine, it is characterised in that the branch
Post（12）Parallel posts（6）Set.
4. the pseudo- three axles test device according to claim 1 based on dynamic fatigue test machine, it is characterised in that described to lead
Rail（10）And lower guideway（1）It is parallel to each other and position is corresponding.
5. the pseudo- three axles test device according to claim 1 based on dynamic fatigue test machine, it is characterised in that the pressure
Power room piston hole（803）It is vertically arranged, internal thread, balancing gate pit's piston hole is provided with its lower ending opening（803）It is additionally provided with
End opening and sidewall opening.
6. the pseudo- three axles test device according to claim 5 based on dynamic fatigue test machine, it is characterised in that the pad
Set（805）Pass through screw（804）Installed in balancing gate pit's piston hole（803）Lower ending opening at.
7. the pseudo- three axles test device according to claim 1 based on dynamic fatigue test machine, it is characterised in that described
One cushion block（901）With the second cushion block（902）, the second cushion block（902）With base（904）Between, pass through straight pin（903）Connection
It is fixed.
8. the pseudo- three axles test device according to claim 1 based on dynamic fatigue test machine, it is characterised in that the bottom
Seat（904）6th sealing ring is installed on outer surface（910）With the 7th sealing ring（911）.
9. the pseudo- three axles test device according to claim 1 based on dynamic fatigue test machine, it is characterised in that described close
Seal bolt（907）Outside is socketed sealing nut（906）, the sealing nut（906）Installed in base oilhole（908）Lower end open
At mouthful.
10. the pseudo- three axles test device according to claim 9 based on dynamic fatigue test machine, it is characterised in that described
Sealing nut（906）, sealing bolt（907）With sealing stud（909）Inside be structure along its installation direction perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206887.9U CN206583718U (en) | 2017-03-06 | 2017-03-06 | Pseudo- three axles test device based on dynamic fatigue test machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206887.9U CN206583718U (en) | 2017-03-06 | 2017-03-06 | Pseudo- three axles test device based on dynamic fatigue test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206583718U true CN206583718U (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720206887.9U Withdrawn - After Issue CN206583718U (en) | 2017-03-06 | 2017-03-06 | Pseudo- three axles test device based on dynamic fatigue test machine |
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| Country | Link |
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| CN (1) | CN206583718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769493A (en) * | 2017-03-06 | 2017-05-31 | 中国人民解放军理工大学 | A kind of pseudo- three axles test device based on dynamic fatigue test machine |
-
2017
- 2017-03-06 CN CN201720206887.9U patent/CN206583718U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769493A (en) * | 2017-03-06 | 2017-05-31 | 中国人民解放军理工大学 | A kind of pseudo- three axles test device based on dynamic fatigue test machine |
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