CN106950104A - A kind of combined horizontal testing stand and its material performance test method and system - Google Patents
A kind of combined horizontal testing stand and its material performance test method and system Download PDFInfo
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- CN106950104A CN106950104A CN201710141018.7A CN201710141018A CN106950104A CN 106950104 A CN106950104 A CN 106950104A CN 201710141018 A CN201710141018 A CN 201710141018A CN 106950104 A CN106950104 A CN 106950104A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
Abstract
The present invention relates to a kind of combined horizontal testing stand, including base, and it is installed on the loading device set gradually on the base along same horizontal line, fixture, data acquisition device and supporting table；The fixture is used for axial restraint sample；Loading device includes tension and compression component and reverses component, and tension and compression component is used to produce axial Tensile or Compressive Loading, and reversing component is used to produce axial torsional load, and is loaded onto with Tensile or Compressive Loading linkage on the fixture；Data acquisition device is connected between the supporting table and fixture, for being acquired to the Tensile or Compressive Loading of sample after loading load and/or the data of moment of torsion.The present invention also provides the corresponding material performance test method of the testing stand and system.The present invention solves the single technical problem of traditional experiment weighted platform load mode, can apply tension and compression and torsional load to sample simultaneously, make total system measurement accuracy high, stability is good, material property is evaluated reliable.
Description
Technical field
The present invention relates to material properties test and experimental teaching technical field, more particularly to a kind of combined horizontal testing stand and
Material performance test method and system based on the combined horizontal testing stand.
Background technology
At present, bear tension-torsion, the component of pressure torsion load to have a wide range of applications in engineering, the brill in such as petroleum works
When post, casing string, tubing string and rod string work in horizontal wellbore in addition to being pressurized, two ends are also by the power acted on along axis
Even, so as to form wrench of a force system effect, bar will occur to press twisting strain.The casing of aero-engine is similarly subjected to axle pressure, reverses combination
The effect of load, the buckling failure of casing will cause the flow behavior of the inlet flow field of engine, and make engine causes vibration,
When serious whole engine can shake and occur buckling failure to structure.Therefore for Knowing material under complex stress condition
Stress and strain corresponding relation, and complex stress change are built to affecting laws of the material stress to strain curve rate of change
Vertical complex stress multi-function test stand, and it is significant to open up Related Experimental Study.
However, the load mode of existing experiment weighted platform is single, often Tensile or Compressive Loading individually can only be applied to sample
Or torsional load, therefore can not it is effectively measuring go out material bear tension-torsion or pressure turn round in the case of accurate stressing conditions.
The content of the invention
The present invention can be there is provided one kind for testing the problem of weighted platform load mode is single in the prior art simultaneously
Apply the combined horizontal testing stand and its material performance test method and system of Tensile or Compressive Loading and torsional load.
According to a first aspect of the present invention there is provided a kind of combined horizontal testing stand, including base, and it is installed on the bottom
Loading device, fixture, data acquisition device and the supporting table set gradually on seat along same horizontal line；The fixture is used for axially
Fixed sample；The loading device includes tension and compression component and reverses component；The tension and compression component is used to produce axial tension and compression load
Lotus；The torsion component is used to produce axial torsional load, and is loaded onto with Tensile or Compressive Loading linkage on the fixture；Institute
Data acquisition device is stated to be connected between the supporting table and fixture, for loading load after sample Tensile or Compressive Loading and/or
The data of moment of torsion are acquired.
Preferably, the data acquisition device at least includes：First plummer, the first rotating cylinder, arm bar and the first power are passed
Sensor；First plummer is fixedly installed on the base, and first rotating cylinder is provided with the middle part of first plummer
And only in the first rotating cylinder described in radial constraint；Described first rotating cylinder one end is connected with the supporting table, and first rotating cylinder is another
The fixed fixture in end；The first rotating cylinder side is fixedly connected with the arm bar, and the end of the arm bar is with being fixed on
The first force snesor contact on the base, first force snesor is used to detect that the arm of force boom end passes the first power
The pressure that sensor is produced, to carry out the measurement of moment of torsion.
Preferably, the second power that the data acquisition device also includes being connected between first rotating cylinder and supporting table is passed
Sensor, the Tensile or Compressive Loading for detecting the sample.
Preferably, the tension and compression component at least includes decelerator, the first rocking bar, spiral handspike, the second plummer and axial direction
Power changeover bobbin；The decelerator and the second plummer are fixedly mounted on the base, and the spiral handspike slows down through described
The middle part of device, first rocking bar is arranged on the decelerator, and axle is produced for driving decelerator to adjust the spiral handspike
To displacement；The axial force changeover bobbin is arranged in the middle part of second plummer, and second plummer is only in radial constraint
Axial force changeover bobbin；Dividing plate is provided with the axial force changeover bobbin, the axial force conversion is stretched into the end of the spiral handspike
It is connected in cylinder and with the dividing plate, to drive the axial force changeover bobbin to produce axial displacement.
Preferably, the torsion component includes rotating mechanism, the second rotating cylinder, the second rocking bar, rotating shaft and thrust bearing；It is described
Rotating mechanism is fixed on the base, and second rotating cylinder is arranged on the middle part of the rotating mechanism, the second rocking bar peace
On the rotating mechanism, for driving second rotating cylinder to rotate by the rotating mechanism；Described second rotating cylinder one end
The rotating shaft is fixed with, the rotating shaft runs through the axial force changeover bobbin, and passes through thrust bearing and the axial force changeover bobbin
Realize the synchronous shift of axial direction；The second rotating cylinder other end fixes the fixture, for driving the fixture to rotate and/or producing
Raw axial displacement.The decelerator in tension and compression component in the loading device, spiral handspike is driven in the presence of the first rocking bar
The mobile loading of axial direction is realized, centre is transferred the load to by axial force changeover bobbin on the fixture of fixed sample, fixture and rotation
Rotation mechanism is connected, to realize the moment of torsion loading to test specimen.
Preferably, the data acquisition device also includes the shaft encode for rotating freely termination for being installed on the rotating shaft
Device, the shaft-position encoder is used for the torsion angle data for gathering sample.
Second aspect present invention is including above-mentioned there is provided a kind of material properties test system based on combined horizontal testing stand
Combined horizontal testing stand and data processing equipment；The data acquisition of the data processing equipment and the combined horizontal testing stand
Device is connected, and Tensile or Compressive Loading and/or the data of moment of torsion for being gathered to the data acquisition device are handled.
Preferably, the data processing equipment is handled in the data of the moment of torsion gathered based on the data acquisition device
When, pass through below equation calculated torque M：
M=L × F；
Preferably, L is the distance vector with the impetus of the first force snesor to the first rotating cylinder central shaft on arm bar；F
The vectorial force gathered for the first force snesor.
Preferably, the data processing equipment is measured, records a variety of in sample in real time by computer virtual technical device
The change of load, and shown in real time by assay surface, to draw final experimental result.
Preferably, what data processing equipment was received from the data acquisition device of combined horizontal testing stand is analog signal,
It is sent in computer and by data record and analyzes after numeral conversion, the gathered data is sent to calculating by com port
In machine, and shown in operation interface.
There is provided a kind of material property measurement side based on combined horizontal testing stand as described above for third aspect present invention
Method, including：Loaded load step, Tensile or Compressive Loading and/or torsional load are applied by loading device to test specimen；And data acquisition
Step, the Tensile or Compressive Loading of sample and/or the data of moment of torsion are gathered by data acquisition device.
The combined horizontal testing stand and its material testing system and method for the present invention, has the advantages that：The present invention
By setting tension and compression component simultaneously in loading device and reversing component, traditional experiment weighted platform load mode is solved single
Technical problem, tension and compression and torsional load can be applied to sample simultaneously, and can be to the Tensile or Compressive Loading under the loading in composite
And/or the data of moment of torsion are measured, make total system measurement accuracy high, stability is good, material property is evaluated reliable；Enter one
Step ground, the present invention can avoid conventional torque sensor from bearing tension and compression by using the detection mode of arm of force set vectorial force
Flimsy problem during load；Further, device of the invention can be loaded individually or simultaneously, be improved when entirety is measured
Flexibility.
Brief description of the drawings
Fig. 1 is the structural representation for the combined horizontal testing stand that the preferred embodiment of the present invention is provided；
Fig. 2 is the section signal of the torque measurement part-structure for the combined horizontal testing stand that the preferred embodiment of the present invention is provided
Figure；
Fig. 3 is the material properties test system module frame based on combined horizontal testing stand that the preferred embodiment of the present invention is provided
Figure；
Fig. 4 is the material performance test method flow chart based on combined horizontal testing stand of the preferred embodiment of the present invention；
In figure：1：Base；2：Decelerator；3：Second plummer；4：Rotating mechanism；5：First plummer；6：Supporting table；7：
Spiral handspike；8：Axial force changeover bobbin；81：Dividing plate；9：Second rotating cylinder；10：First rotating cylinder；11：Second force snesor；12：Axle
Angular encoder；13：Rotating shaft；14：Thrust bearing；15：Arm bar；16：First force snesor；17：First rocking bar；18：Second shakes
Bar；19：Fixture；20：Sample；100：Combined horizontal testing stand；110：Data acquisition device；200：Data processing equipment.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, unless otherwise indicated, term " on ", " under ", "left", "right", " interior ", " outer ", " one
End ", " other end ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Referring to Fig. 1, the structural representation of the combined horizontal testing stand provided for the preferred embodiment of the present invention.Such as Fig. 1 institutes
Show, the combined horizontal testing stand include base 1, and be installed on successively on base 1 loading device, fixture 19, data acquisition
Device and supporting table 6.For example, side sets gradually loading device, fixture 19, data along same horizontal line and adopted from right to left in Fig. 1
Acquisition means and supporting table 6.Wherein, fixture 9 is arranged between loading device and data acquisition device, for axial restraint sample
20." axial direction " referred in the present invention refer to sample 20 along level put when central shaft where direction, " circumference " refers to sample 20
Circumferencial direction on the cross section of central shaft.Loading device is arranged on the right side of fixture 19, can be linked for fixture 19
Load Tensile or Compressive Loading and torsional load.The loading device includes tension and compression component and reverses component, and wherein tension and compression component is used to produce
Tensile or Compressive Loading on axial direction, reversing component is then used to produce circumferential torsional load, and is loaded onto with Tensile or Compressive Loading linkage
On fixture 19.Supporting table 6 is fixed on the leftmost side of base 1, for be connected between in the axial direction fixture 19 provide on the left of support force.
The supporting table 6 can be realized using stop members such as block or baffle plates.Data acquisition device be connected to supporting table 6 and fixture 19 it
Between, for being acquired to the Tensile or Compressive Loading of sample 20 after loading load and/or the data of moment of torsion.
In the preferred embodiment of the present invention, tension and compression component at least includes decelerator 2, the first rocking bar 17, spiral handspike
7th, the second plummer 3 and axial force changeover bobbin 8.Wherein, the plummer 3 of decelerator 2 and second is fixedly mounted on base 1, spiral
Push rod 7 runs through the middle part of the decelerator 2.First rocking bar 17 is arranged on decelerator 2, can be driven by rotating the first rocking bar 17
Rack-and-pinion inside decelerator 2, regulation spiral handspike 7 produces axial displacement.Axial force changeover bobbin 8 is arranged on along horizontal axis
The middle part of second plummer 3, and the second plummer 3 only diametrically constrains axial force changeover bobbin 8.Set in axial force changeover bobbin 8
There is dividing plate 81, axial force changeover bobbin 8 is separated into left and right two parts chamber by the dividing plate 81.Axial direction is stretched into the end of spiral handspike 7
It is connected in the right chamber of power changeover bobbin 8 and with dividing plate 81, to drive axial force changeover bobbin 8 to produce synchronous axial displacement.Should
Dividing plate 81 is not exclusively fixedly connected with spiral handspike 7, and only constraint spiral handspike 7 produces axial displacement to dividing plate 81 in the axial direction, when
Spiral handspike 7 is rotated when promoting to the left, and axial force changeover bobbin 8 is not rotated with.The left side of axial force changeover bobbin 8, which is used to connect, to be turned round
Turn component.
In the preferred embodiment of the present invention, reverse component include rotating mechanism 4, the second rotating cylinder 9, the second rocking bar 18,
Rotating shaft 13 and thrust bearing 14.Wherein rotating mechanism 4 is fixedly mounted on base 1.Second rotating cylinder 9 is arranged on rotation along horizontal axis
The middle part of rotation mechanism 4, rotating mechanism 4 is only that the second rotating cylinder 9 provides radial constraint.Second rocking bar 18 is arranged on rotating mechanism 4,
The worm-and-wheel gear inside mechanism 4 can be rotated by rotating the second rocking bar 18, the rotation for the second rotating cylinder 9 provides torsion
Square.One end fixed rotating shaft 13 of second rotating cylinder 9, other end stationary fixture 19.Rotating shaft 13 runs through the left side cavity of axial force changeover bobbin 8
Room, and axial synchronous shift is realized by two thrust bearings 14 and axial force changeover bobbin 8.The two thrust bearings 14 are installed
It is located in rotating shaft 13 and respectively axial force changeover bobbin 8 inside and outside, to prevent the connection of rotation stop axle 13 and axial force changeover bobbin 8
Place, because axial gap is excessive and caused by axial float.Second rotating cylinder 9 can drive fixture 19 to rotate and/or produce axial displacement,
Individually to load tension and compression or torsional load, or linkage loading tension and compression and torsional load.
Preferably, data acquisition device at least has the measurement function to torque data.In the prior art generally using torsion
Square sensor measures torque data, but this torque sensor can not bear axial Tensile or Compressive Loading, is not particularly suited for this
Test platform in the case of invention complex stress.Therefore, measured present invention preferably employs the mode of arm of force combination force snesor
Torque data, the problem of arm of force and force snesor set by side efficiently avoid axially loaded.Please refer to figure
2, the schematic cross-section of the torque measurement part-structure of the combined horizontal testing stand provided for the preferred embodiment of the present invention.The data
Harvester at least includes：First plummer 5, the first rotating cylinder 10, the force snesor 16 of arm bar 15 and first.As shown in figure 1, the
One plummer 5 is fixedly installed on base 1.First rotating cylinder 10 runs through first plummer 5.First rotating cylinder 10 is only in radial direction by
The constraint of one plummer 5, and can be rotated in first plummer 5.The left side of first rotating cylinder 10 is directly or indirectly
Supporting table 6 is connected to, and supporting table 6 is the support force on the left of the first rotating cylinder 10 is provided.The right-hand member stationary fixture of first rotating cylinder 10
19.The side of first rotating cylinder 10 is fixedly connected with arm bar 15.First force snesor 16 is fixedly mounted on base 1, and is placed in power
Below the end of armed lever 15, the ends contact with arm bar 15.First force snesor 16 is used to detect the end of arm bar 15 to the
The pressure that one force snesor 16 is produced, to carry out the measurement of moment of torsion.Preferably, the end of arm bar 15 can be by downwardly convex
Probe contacted with the detection faces on the first force snesor 16.It is highly preferred that the first force snesor 16 is located at the end of arm bar 15
Underface, and vertically be arranged on base 1 on, arm bar 15 is at right angles contacted with the first force snesor 16, with guarantee
Power is vertically conducted, so that what the first force snesor 16 detected is the end of arm bar 15 to the first force snesor 16
The pressure of the vertical direction of generation.Force snesor be by the value of power be converted to the units test tension force of associated electrical signals, pulling force,
The mechanical quantities such as pressure, weight, moment of torsion, internal stress and strain.First force snesor 16 is that can detect the force snesor of pressure.It is excellent
Selection of land, the pressure for the model CL-YB-2/50KB that first force snesor 16 is produced using Wuxi Shi Ao Science and Technology Ltd.s is passed
Sensor.Therefore, when carrying out torque measurement, connected and contacted with the first force snesor 16 with arm bar 15 due to the first rotating cylinder 10
So will not rotate, only the end of arm bar 15 can be produced under the twisting resistance effect of the first rotating cylinder 10 to the first force snesor 16
Raw pressure vertically downward, the first force snesor 16 is used to detect the pressure to carry out the measurement of moment of torsion.For example, measuring the arm of force
With the distance vector L of the impetus of the first force snesor 16 to the central shaft of the first rotating cylinder 10 on bar 15, then measure the first power biography
The vectorial force F that sensor 16 is gathered, and pass through below equation calculated torque M：M=L × F.
In preferred embodiment of the invention, data acquisition device also has the measurement function to Tensile or Compressive Loading.It is preferred that
Ground, data acquisition device also includes the second force snesor 11 being connected between the first rotating cylinder 10 and supporting table 6, for detecting
State the Tensile or Compressive Loading of sample 20.Second force snesor 11 is the tension and compression sensing for the axial upper pulling force of detection level or pressure
Device.Preferably, thrust bearing is additionally provided between the first rotating cylinder 10 and the second force snesor 11, to ensure the second force snesor 11 not
Rotate.
In preferred embodiment of the invention, the data acquisition device further preferably includes being installed on the rotating shaft 13
The shaft-position encoder 12 of termination is rotated freely, the shaft-position encoder 12 is used for the torsion angle data for gathering sample.
The combined horizontal testing stand that the present invention is provided has three kinds of embodiments, and three kinds of different stress can be measured respectively
Under material property.The first embodiment is that single Tensile or Compressive Loading loading is carried out to sample 20.Laboratory technician can shake
One rocking bar 17, first rocking bar 17 drives the gear ＆ rack structure motion inside decelerator 2, so as to drive spiral handspike 7 to do spiral shell
Rotation is moved and produces axial displacement.The driving axial power changeover bobbin 8 of spiral handspike 7 produces synchronous axial displacement.Axial force is changed
Cylinder 8 passes to the Tensile or Compressive Loading being subject to the rotating shaft 13 of its left end connection.Tensile or Compressive Loading is passed to the second rotating cylinder 9 by rotating shaft 13.
Tensile or Compressive Loading is loaded onto on fixture 19 by the second rotating cylinder 9 again.Tensile or Compressive Loading is passed to sample 20 by final fixture 19, so as to complete
Loading of the tension and compression component to the tensile load or compressive load of test specimen 20.Data acquisition device can pass through the second force snesor 11
The tensile load or compressive load born to sample 20 are measured.
Second of embodiment is that single torsional load loading is carried out to sample 20.Laboratory technician can shake the second rocking bar
18.The worm-and-wheel gear motion inside mechanism 4 is rotated in second rocking bar 18, and then drives the second rotating cylinder 9 to rotate, and produces week
To torsional load.Second rotating cylinder 9 loads the torsional load on the fixture 19 fixed to its left end.Finally, fixture 19 will be turned round
Reprint lotus and pass to sample 20, so as to complete to reverse loading of the component to the torsional load of sample 20.Data acquisition device can lead to
The second force snesor 11 is crossed to measure the moment of torsion of sample 20.Meanwhile, pass through torsion angle of the shaft-position encoder 12 to sample 20
Measure.
The third embodiment is to sample 20 while applying Tensile or Compressive Loading and torsional load.Laboratory technician can shake simultaneously
First rocking bar 17 and the second rocking bar 18, the first rocking bar 17 drive the gear ＆ rack structure motion inside decelerator 2, and then drive spiral shell
Rotation push rod 7, which is spinned, moves and produces axial displacement.The synchronous shift of 7 driving axial power changeover bobbin of spiral handspike 8, and pass through rotating shaft
Tensile or Compressive Loading is passed to the second rotating cylinder 9 by 13.At the same time, the worm and gear machine inside mechanism 4 is rotated in the second rocking bar 18
Structure is moved, and then drives the second rotating cylinder 9 to rotate.Second rotating cylinder 9 produces circumferential torsional load, and is applied together with Tensile or Compressive Loading
Fixture 19 is added to, so as to be loaded while completion to the Tensile or Compressive Loading of sample 20 and torsional load.Data acquisition device can be simultaneously
The Tensile or Compressive Loading and moment of torsion of sample 20 are measured by the first force snesor 16 and the second force snesor 11.And can enter
One step is measured by the torsion angle of 12 pairs of experiments 20 of shaft-position encoder.
Preferably, said spiral push rod 7, axial force changeover bobbin 8, rotating shaft 13, the second rotating cylinder 9, fixture 19, sample 20,
One rotating cylinder 10 and the second force snesor 11 are respectively positioned on same axial horizontal line, and Tensile or Compressive Loading or/and torsional load are ensured with this
More effectively conduct to sample 20, while being also beneficial to collection of the data acquisition device to data.
Present invention also offers a kind of material properties test system based on combined horizontal testing stand.Referring to Fig. 3, being root
According to the module frame chart of the material properties test system based on combined horizontal testing stand of the preferred embodiment of the present invention.As shown in figure 3,
The combined horizontal pilot system includes combined horizontal testing stand 100 and data processing equipment 200.Wherein combined horizontal testing stand
100 can be realized using foregoing combined horizontal testing stand 100.Data processing equipment 200 and the combined horizontal testing stand
Data acquisition device 110 in 100 is connected, for the Tensile or Compressive Loading and/or the data of moment of torsion gathered to data acquisition device 110
Handled, obtain design parameter value.What each sensor was exported in data acquisition device 110 is analog signal.Data processing
Device 200 can be realized by such as demodulating system and computer, first pass through demodulating system and analog signal is carried out into digital conversion, then pass
It is sent in computer and records and analyze the data.Preferably, data processing equipment 200 can be adopted based on data acquisition device 110
The data of the moment of torsion of collection are handled, and pass through below equation calculated torque M：
M=L × F；
Wherein L is that the distance of impetus to the central shaft of the first rotating cylinder 10 with the first force snesor 16 on arm bar 15 is sweared
Amount；F is the vectorial force that the first force snesor 16 is gathered.
Data processing equipment 200 is additionally operable to record the numerical value of the Tensile or Compressive Loading of the second force snesor 11 measurement, and shaft angle
The numerical value for the torsion angle that encoder 12 is measured.Data processing equipment 200 can further draw the curve of torsion angle and moment of torsion simultaneously
The residing axial stress state of display.
It is highly preferred that the data processing equipment 200 measures a variety of load in experiment in real time by calculating machine virtual instrument technique
Change, and the change of a variety of load in sample can be further recorded, and shown in real time by assay surface, to draw most
Whole experimental result.
Present invention also offers a kind of material performance test method of combined horizontal testing stand, referring to Fig. 4, for according to this
The flow chart of the material performance test method of the combined horizontal testing stand of invention preferred embodiment.This method is based on foregoing
Combined horizontal testing stand is realized.As shown in figure 4, the material performance test method of the combined horizontal testing stand includes following step
Suddenly：
First, in step S301, perform loaded load step, by loading device to test specimen apply Tensile or Compressive Loading and/
Or torsional load.For example, producing the Tensile or Compressive Loading of axial direction by tension and compression component, circumferential torsion load is produced by reversing component
Lotus.Start the tension and compression component by shaking the first rocking bar 17, and/or shake the second rocking bar 18 startup torsion component and complete to sample
The loading of load.
Data collection steps S302, the Tensile or Compressive Loading of sample and/or the data of moment of torsion are gathered by data acquisition device.Example
Tensile or Compressive Loading, torsion such as by foregoing first force snesor 16, the second force snesor 11 and/or shaft-position encoder 12 to sample 20
Square and/or torsion angle are measured.
Preferably, the material performance test method also includes data processing step, passes through what data acquisition device was exported
Data carry out conversion and calculate analysis, and load load test is turned round most to sample progress Tensile or Compressive Loading loading and/or pressure so as to draw
Termination fruit.The data processing step can be realized using foregoing data processing equipment 200.
In summary, it is of the invention by setting tension and compression component simultaneously in loading device and reversing component, achievable stretching,
Compression, tension-torsion, pressure turn round four kinds of load tests, and Tensile or Compressive Loading, torsion angle and torque can be measured simultaneously.And Tensile or Compressive Loading and
Torsional load can realize separation loading and synchronous loading, and loading velocity can also realize separation control.Therefore, the present invention is used
Stretch, compress, reverse the loading method of any combination to evaluate the mechanical response of material.In addition, present invention also offers based on
The material performance test method and system of the combined horizontal testing stand.The present invention solves traditional experiment weighted platform load mode list
One technical problem, by axial load, moment of torsion, torsion angle synchro measure, make total system measurement accuracy high, stability
Can be good, material property is evaluated reliable.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic progress equivalent；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of combined horizontal testing stand, it is characterised in that：Including base (1), and it is installed on the base (1) along same
Loading device, fixture (19), data acquisition device and supporting table (6) that horizontal line is set gradually；
The fixture (19) is used for axial restraint sample (20)；
The loading device includes tension and compression component and reverses component；The tension and compression component is used to produce axial Tensile or Compressive Loading；Institute
Stating torsion component is used to produce circumferential torsional load, and is loaded onto with Tensile or Compressive Loading linkage on the fixture (19)；
The data acquisition device is connected between the supporting table and fixture, for the tension and compression to sample (20) after loading load
Load and/or the data of moment of torsion are acquired.
2. combined horizontal testing stand according to claim 1, it is characterised in that：The data acquisition device at least includes：
First plummer (5), the first rotating cylinder (10), arm bar (15) and the first force snesor (16)；
First plummer (5) is fixedly installed on the base (1), is provided with the middle part of first plummer (5) described
First rotating cylinder (10), and only in the first rotating cylinder (10) described in radial constraint；Described first rotating cylinder (10) one end and the supporting table
(6) connect, the first rotating cylinder (10) other end fixes the fixture (19)；First rotating cylinder (10) is fixedly connected with sideways
The arm bar (15), the end of the arm bar (15) connects with the first force snesor (16) being fixed on the base (1)
Touch；First force snesor (16) is used to detect the pressure that the arm bar (15) end produces the first force snesor (16)
Power, to carry out the measurement of moment of torsion.
3. combined horizontal testing stand according to claim 2, it is characterised in that：The data acquisition device also includes connection
The second force snesor (11) between first rotating cylinder (10) and supporting table (6), the drawing for detecting the sample (20)
Compressive load.
4. the combined horizontal testing stand according to any one of claim 1-3, it is characterised in that：The tension and compression component is at least
Including decelerator (2), the first rocking bar (17), spiral handspike (7), the second plummer (3) and axial force changeover bobbin (8)；
The decelerator (2) and the second plummer (3) are fixedly mounted on the base (1), and the spiral handspike (7) runs through institute
The middle part of decelerator (2) is stated, first rocking bar (17) is arranged on the decelerator (2), for driving decelerator (2) to adjust
The spiral handspike (7) produces axial displacement；The axial force changeover bobbin (8) is arranged in the middle part of second plummer (3), and
Second plummer (3) is only in radial constraint axial force changeover bobbin (8)；Dividing plate is provided with the axial force changeover bobbin (8)
(81), the end of the spiral handspike (7) is stretched into the axial force changeover bobbin (8) and is connected with the dividing plate (81), with band
The dynamic axial force changeover bobbin (8) produces axial displacement.
5. combined horizontal testing stand according to claim 4, it is characterised in that：The torsion component includes rotating mechanism
(4), the second rotating cylinder (9), the second rocking bar (18), rotating shaft (13) and thrust bearing (14)；
The rotating mechanism (4) is fixed on the base (1), and second rotating cylinder (9) is arranged on the rotating mechanism (4)
Middle part, second rocking bar (18) is arranged on the rotating mechanism (4), described for being driven by the rotating mechanism (4)
Second rotating cylinder (9) rotates；Described second rotating cylinder (9) one end is fixed with the rotating shaft (13), and the rotating shaft (13) runs through the axle
Axial synchronous shift is realized to power changeover bobbin (8), and by thrust bearing (14) and the axial force changeover bobbin (8)；It is described
Second rotating cylinder (9) other end fixes the fixture (19), for driving the fixture (19) to rotate and/or producing axial displacement.
6. combined horizontal testing stand according to claim 5, it is characterised in that：The data acquisition device also includes installing
In the shaft-position encoder (12) for rotating freely termination of the rotating shaft (13), the shaft-position encoder (12) is used to gather sample
Torsion angle data.
7. a kind of material properties test system based on combined horizontal testing stand, it is characterised in that including in such as claim 1-6
Combined horizontal testing stand (100) and data processing equipment (200) described in any one；
The data processing equipment (200) is connected with the data acquisition device (110) of the combined horizontal testing stand (100), uses
Handled in the Tensile or Compressive Loading and/or the data of moment of torsion gathered to the data acquisition device (110).
8. material properties test system according to claim 7, it is characterised in that the data processing equipment (200) exists
When the data of the moment of torsion gathered based on the data acquisition device (110) are handled, pass through below equation calculated torque M：
M=L × F；
Wherein L is that the distance of impetus to the first rotating cylinder (10) central shaft with the first force snesor (16) on arm bar (15) is sweared
Amount；F is the vectorial force that the first force snesor (16) is gathered.
9. the combined horizontal pilot system according to claim 7 or 8, it is characterised in that the data processing equipment (200)
Measure, record the change of a variety of load in sample in real time by calculating machine virtual instrument technique, and carried out in real time by assay surface
It has been shown that, to draw final experimental result.
10. a kind of material performance test method of the combined horizontal testing stand based on any one of claim 1-6, it is special
Levy and be, including：
Loaded load step, Tensile or Compressive Loading and/or torsional load are applied by loading device to test specimen；
Data collection steps, the Tensile or Compressive Loading of sample and/or the data of moment of torsion are gathered by data acquisition device.
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| CN111307619B (en) * | 2020-04-07 | 2022-06-21 | 太原理工大学 | Steel wire rope torsion testing machine of deep well hoisting system and testing method thereof |
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| CN113252456A (en) * | 2021-04-12 | 2021-08-13 | 哈尔滨工业大学 | Variable-angle eccentric loading test device for truss structure |
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