CN205808825U - A kind of electronics tensile and compression testing machine - Google Patents
A kind of electronics tensile and compression testing machine Download PDFInfo
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- CN205808825U CN205808825U CN201620701583.5U CN201620701583U CN205808825U CN 205808825 U CN205808825 U CN 205808825U CN 201620701583 U CN201620701583 U CN 201620701583U CN 205808825 U CN205808825 U CN 205808825U
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Abstract
The utility model discloses a kind of electronics tensile and compression testing machine, including the shaped as frame frame being fixed on base, described shaped as frame frame is formed and accommodates frame, and hanging beam is fixed in described receiving frame in the horizontal direction, and described hanging beam connects drive system.It is arranged at intervals with two horizontal sliding fixtures along vertical in described receiving frame, two described horizontal sliding fixtures are separately fixed on described hanging beam and described base, described horizontal sliding fixture is horizontally spaced is provided with fixed plate and centering plate, described centering plate connects hydraulic means, and described hydraulic means controls described centering plate and slides in the horizontal direction.This utility model main frame uses double space structure, and test space is that upper pressure is drawn.Can meet the stretching to material, compression and bend test simultaneously, can also meet simultaneously to eccentric, misalign the test requirements document of sample, applied widely.
Description
Technical field
This utility model belongs to material mechanical performance test device, is specifically related to a kind of electronics tensile and compression testing machine.
Background technology
Tensile and compression testing machine is a kind of equipment that can be used to and measure the mechanical property of material, to load, the survey of displacement
Amount and control have higher accuracy and sensitivity, have simple to operation, measure advantage accurately, can be to metal, non-gold
Belong to material and carry out the tests such as simple tension, Uniaxial Compression, light fragrant bending.But the tensile and compression testing machine of prior art is operated
Time, sample must keep centering, it is impossible to has bias, and the most matching used fixture can not regulate well, and test specimen was being tested
Journey there will be skidding and loosen phenomenon.Limit size and the clip position of product, it is impossible to fix well.Thus affect equipment
The test frequency of utilization rate and sample, certainty of measurement is the most bad.Accordingly, it would be desirable to one disclosure satisfy that eccentric specimen test requirement,
And ensure the electronics tensile and compression testing machine of eccentric test specimen life-time service.
Utility model content
The technological deficiency existed for prior art, the purpose of this utility model is to provide a kind of electronics tensile and compression testing machine,
Including the shaped as frame frame being fixed on base, described shaped as frame frame is formed and accommodates frame, and hanging beam is fixed on described appearance in the horizontal direction
Receiving in frame, described hanging beam connects drive system, it is characterised in that is arranged at intervals with two along vertical in described receiving frame and puts down
Pushing away fixture, two described horizontal sliding fixtures are separately fixed on described hanging beam and described base, and described horizontal sliding fixture is in the horizontal direction
Being arranged at intervals with fixed plate and centering plate, described centering plate connects hydraulic means, and described hydraulic means controls described centering plate edge
Horizontal direction is slided.
Preferably, described drive system includes servomotor and two drive screws, and two described drive screws are respectively
Connect the two ends of described hanging beam, drive screw described in described driven by servomotor so that drive described hanging beam along vertical transport
Dynamic.
Preferably, along vertical, described hanging beam is connected with wheel spoke type sensor, so that described hanging beam is subject to by connector
Driving force to described servomotor is transferred to described wheel spoke type sensor.
Preferably, along vertical, described hanging beam be provided above footstock, described footstock is fixed on described receiving frame
In, described hanging beam is not connected with the side of described horizontal sliding fixture and connects a compression clamp.
Preferably, described footstock is provided with the first platen, and described compression clamp is provided with the second platen, along vertical institute
State the first platen and described second platen is oppositely arranged.
Preferably, the dish footpath of described first platen and described second platen is 200mm.
Preferably, described drive system connection control system, described control system controls the work shape of described drive system
State.
This utility model main frame uses double space structure, and test space is that upper pressure is drawn.Can meet material simultaneously
Stretching, compression and bend test, can obtain the parameters such as maximum, force, yield strength, compressive strength.Stability Analysis of Structures, transmission is accurately put down
Surely.Can also meet simultaneously to eccentric, misalign the test requirements document of sample, applied widely.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, other spy of the present utility model
Levy, purpose and advantage will become more apparent upon:
Fig. 1 shows detailed description of the invention of the present utility model, the structural representation of a kind of electronics tensile and compression testing machine；
Fig. 2 shows detailed description of the invention of the present utility model, the structural representation of horizontal sliding fixture；
Fig. 3 shows detailed description of the invention of the present utility model, the structural representation of drive screw；
Fig. 4 shows detailed description of the invention of the present utility model, the structural representation of wheel spoke type sensor；And
Fig. 5 shows detailed description of the invention of the present utility model, the structural representation of compression clamp.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage become apparent from, below in conjunction with the accompanying drawings and embodiment pair
The technical solution of the utility model is described.
It will be appreciated by those skilled in the art that described electronics tensile and compression testing machine can carry out simple tension, individual event compression, unidirectional curved
The tests such as song, can be used for the Mechanics Performance Testing of metal, nonmetallic materials.Tension and compression low-cycle loading examination can be carried out simultaneously
Test, for steel concrete supporting street corner, reinforced bar sleeve grouting jointing type inspection test.Described electronics tensile and compression testing machine
There is the control modes such as stress, strain, displacement, maximum, force, yield strength, tensile strength, bending strength, compression can be obtained strong
The parameters such as degree, elastic modelling quantity, fracture elongation.
Fig. 1 shows detailed description of the invention of the present utility model, the structural representation of a kind of electronics tensile and compression testing machine.This
Skilled person understands, described electronics tensile and compression testing machine is electromechanical integrated product, it is achieved Automated condtrol.Specifically, institute
Stating the shaped as frame frame 2 that electronics tensile and compression testing machine includes being fixed on base 1, described shaped as frame frame 2 forms receiving frame and (does not marks in figure
Number), described receiving frame constitutes the main body of described electronics tensile and compression testing machine and accommodates space, and described receiving frame area defined is used for
The pilot region of bearing test part, described shaped as frame frame 2 is overall uses rustless steel or other metal material to make, described receiving frame
Both can be one-body molded, it is also possible to connect by the mode such as welding, bolt screw or latch is fixing.More specifically, in institute
It is fixed with horizontally disposed hanging beam 3 in stating receiving frame.The two ends of described hanging beam 3 are vertical with two of described shaped as frame frame 2
Post is connected, and further, described hanging beam 3 can move up and down in described shaped as frame frame 2, more specifically, will be described below
Specific embodiment does more detailed description, does not repeats them here.
Specifically, in described receiving frame, it is arranged at intervals with two horizontal sliding fixtures 4, two described horizontal sliding folders along vertical
Tool 4 is separately fixed on described hanging beam 3 and described base 1 and is oppositely arranged.Described horizontal sliding fixture 4 is for fixation test part respectively
Two ends up and down test.Further, two described horizontal sliding fixtures 4 are made to do relative motion by the movement of described hanging beam 3,
Described horizontal sliding fixture 4 preferably employs the materials such as alloy high-carbon steel or low-carbon alloy steel.
Specifically, Fig. 2 shows detailed description of the invention of the present utility model, the structural representation of described horizontal sliding fixture.
In such embodiments, described horizontal sliding fixture 4 is horizontally spaced is provided with fixed plate 41 and centering plate 42.Described centering
Plate 42 connects hydraulic means 43, and described hydraulic means 43 controls described centering plate 42 and slides in the horizontal direction, described by controlling
Centering plate 42 relative to described fixed plate 41 closer or far from slip, thus adjust described fixed plate 41 and described centering plate 42 it
Between interval size to adapt to the testpieces with varying cross-section size.It will be appreciated by those skilled in the art that due to described
Centering plate 42 can move relative to described fixed plate 41, and hence it is also possible to test non-alignment test part, expands described electronics
The range of application of tensile and compression testing machine.
Further, with reference to embodiment illustrated in fig. 2, described horizontal sliding fixture 4 is hydraulic horizontal-pushing fixture, uses monolateral hydraulic clip
Hold design, it is possible to achieve one side horizontal sliding is to folder.Further, the clamp body of described horizontal sliding fixture 4 respectively at described hanging beam 3 and
Keep fixing on described base 1, clamp various sizes of test by the clamp structure of the jaw of mobile described horizontal sliding fixture 4
Part.In concrete operations, can synchronize when manually adjusting center to advance clamping, described hydraulic means 43 by described hydraulic means 43
Use hydraulic jack.Further, in whole process of the test, sample is tightly clamped by chucking power always, it is ensured that testpieces exists
Process of the test does not haves skidding, and when testpieces ruptures, described chucking power still exists, it is adaptable to metal material
And composite does tension test.
Further, the fixed plate 41 of described horizontal sliding fixture 4 and centering plate 42 also include centralising device (in accompanying drawing not
Illustrate), described centralising device is applicable to sheet coupon, it is possible to realizes the stating soon of plate test part, be accurately positioned, prevents testpieces
Installation process offsets, it is ensured that the line of force of testpieces overlaps with center sensor line.Preferably, described fixed plate 41 is also
Connecting a hinged bolt 44, after described hinged bolt is pulled down, described fixed plate 41 can move in the horizontal direction, when described
After fixed plate 41 moves to ideal position, more described hinged bolt is installed, again described fixed plate 41 is fixed, so
Improve the controllability of described horizontal sliding fixture 4.
Further, Fig. 3 shows detailed description of the invention of the present utility model, the structural representation of drive screw.Knot
Closing Fig. 1, embodiment illustrated in fig. 3, described drive system includes servomotor 51 and two drive screws 52, described servomotor
51 are used for driving described electronics tensile and compression testing machine to work.Specifically, described servomotor 51 voltage signal is converted into torque and
Rotating speed is to drive described drive screw 52 to rotate, and described drive screw 52 converts rotational motion to linear motion by rotation.
Described servomotor 51 preferably employs the permanent-magnet DC servo motor of fast response time, has high torque (HT) and good low speed simultaneously
Performance.Specifically, it will be appreciated by those skilled in the art that as it is shown on figure 3, two described drive screws 52 are additionally provided with nut 53,
Described drive screw 52 has arc helicla flute, when described drive screw 52 is socketed with described nut 53 at described nut 53 screw thread
Rear formation spiral rolling track, described spiral rolling track is filled with ball.When described drive screw 52 is in the driving of described servomotor 51
Under when rotating relative to described nut 53, there is axial displacement in both, described nut 53 is with the angle of rotation of described drive screw 52
Degree changes into linear motion according to the helical pitch of corresponding specification.Further, described nut 53 connects described hanging beam 3 further, from
And realizing the linear motion up and down of described hanging beam 3, described ball then rolls along described spiral rolling track.Specifically, described spiral shell
Female 53 are connected with described hanging beam 3 by the nut seat being arranged on described hanging beam 3.Further, the helicla flute of described nut 53
Two ends Hui Zhuguan couple together, make described ball can make the shuttling movement gone round and begun again.
Further, two described drive screws 52 are arranged on inside described shaped as frame frame 2, two described drive screws 52
Two ends up and down be removably plugged in the eyelet of described shaped as frame frame, the size of described eyelet, shape and institute
State the shape of drive screw 52, size adapts.Two described drive screws 52 connect the two ends of described hanging beam 3 respectively.Enter one
Step ground, described hanging beam 3 connects described servomotor 51, and described servomotor 51 can drive described drive screw 52 and then band
Dynamic described hanging beam 3 moves up and down in described shaped as frame frame 2.
Further, user is worked by servomotor 51 described in all-digitized demodulator, and computer is all passed through in complete machine operation
Complete, use embedded scm to control, and built-in TT&C software in described single-chip microcomputer, use photoelectric encoder to hang described
The displacement of beam 3 measures.In human-computer interaction device and software control system, set relevant parameter as required to experimental condition
It is controlled.Specifically, by operation, the power speed control of described electronics tensile and compression testing machine, Deformation control speed can be regulated
And the parameter such as the translational speed of described hanging beam 3 tests.With described hanging beam 3 as boundary, permissible at described hanging beam 3 upper area
Testpieces is compressed experimental test be correlated with mechanical property, below described hanging beam 3, testpieces can be carried out tension test
The relevant mechanical property of test.
Further, Fig. 4 shows detailed description of the invention of the present utility model, the structural representation of wheel spoke type sensor
Figure.Specifically, along vertical, described hanging beam 3 is connected with wheel spoke type sensor 6, so that described hanging beam 3 is subject to by connector
Stressing conditions is accurately passed to described wheel spoke type sensor 6 by the driving force of described servomotor 51 during moving up and down.Institute
State wheel spoke type sensor 6 include the induction contact at center-wheel arbor and connect the flexible member of described induction contact, when described sense
During the load answering contact to be drawn or to press, described flexible member changes into the signal of telecommunication by shear action and by foil gauge.
Specifically, described wheel spoke type sensor 6 can with the stretching of experiment with measuring part, compress, bend, shear, the load forces such as stripping, obtain
Test data is also transferred to computer by data collecting system and carries out respective handling, can meet certainty of measurement, stable simultaneously
Property and measure scope requirement, the range of described wheel spoke type sensor 6 can select different specifications as required.Further
Ground, those skilled in the art can use two or more described wheel spoke type sensor 6 as required, to realize wide model
The pilot strength measurement enclosed, does not repeats them here.
Further, Fig. 5 shows detailed description of the invention of the present utility model, the structural representation of compression clamp 7.Ginseng
Examine Fig. 1, along vertical, described hanging beam 3 be provided above footstock 8, described footstock 8 is fixed in described receiving frame.Specifically
Ground, described hanging beam 3 is not connected with the side connection of described horizontal sliding fixture 4 compression clamp 7.It will be appreciated by those skilled in the art that described
Compression clamp 7 is compressed the testpieces of test for gripping, and as shown in fig. 1, described compression clamp 7 is in the horizontal direction
Being arranged at intervals with two clamping plate 74, two described clamping plate 74 are used for accommodating testpieces.
Further, described footstock 8 is provided with the first platen 71, and described compression clamp 7 is provided with the second platen 72, along lead
Described in vertical direction, the first platen 71 and described second platen 72 are oppositely arranged, and it will be appreciated by those skilled in the art that described first platen
71 can be carried out even by bolt screw with described footstock 8 and described compression clamp 7 respectively with described second platen 72
Connect fixing, or directly fix by the way of welding.Specifically, described first platen 71 and described second platen 72 use
High-quality alloy steel, alloy high-carbon steel, low-carbon alloy steel or cold work die steel etc..In actual application, work as testpieces
After being clamped in described compression clamp 7, hanging beam 3 moves up along vertical under the effect of servomotor, and testpieces is along lead
The two ends in vertical direction are respectively held against described first platen 71 and described second platen 72, i.e. testpieces is along the two ends of vertical
Respectively by described first platen 71 and the compressing of described second platen 72, prevent testpieces from dropping or mobile.Preferably, described
Second platen 72 is with leveling sphere, by regulation to keep the card of described second platen 72 to keep level.
It will be appreciated by those skilled in the art that by arranging compression clamp, the first platen 71 and described second platen 72, described
The receiving frame of electronics tensile and compression testing machine is divided into two parts, i.e. upper space is used for compression test, and lower space is used for stretching examination
Testing, upper space and lower space are using hanging beam 3 as cut-off rule, and such design can be exempted the tensile and compression testing machine in single space and exist
The mutual conversion process of tension test and compression test is changed the process of fixture and improves the utilization ratio of testing machine.
Further, in a preferred embodiment, described first platen 71 and the dish footpath of described second platen 72
It is 200mm, to adapt to the test requirements document of the testpieces of relative broad range inside dimension size, avoids the dish footpath mistake because of platen simultaneously
Big or the too small practicality deficiency caused.
Further, it will be appreciated by those skilled in the art that described drive system is also connected with control system, specifically, institute
The described servomotor 51 stated in drive system is connected with outside servo controller, when described electronics tensile and compression testing machine is connected
After power supply, user sends, as the parameter set, the instruction that hanging beam described in order moves by computer, and this instruction is by described control
System processed controls described servomotor 51 through described servo controller and rotates, through described in the actuator drives such as belt, gear
The described drive screw 52 at hanging beam 3 two ends rotates, and described drive screw 52 drives institute by the nut 53 engaged further
State hanging beam 3 to rise or decline.Further, after loading onto testpieces, described electronics tensile and compression testing machine can pass through institute
State wheel spoke type sensor 6 and obtain corresponding signal, and will described signal amplify after carry out general after data acquisition and conversion by A/D
Data pass to computer further.On the one hand data are processed by computer, graphically and numeric form over the display
Reflect；On the other hand the signal after processing compares with initial set value, regulates described hanging beam 3 and moves change output
Amount, and the output after adjusting passes to described control system, thus reaches to control the mesh of described drive system duty
's.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model not office
Being limited to above-mentioned particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims,
This has no effect on flesh and blood of the present utility model.
Claims (7)
1. an electronics tensile and compression testing machine, including the shaped as frame frame being fixed on base, described shaped as frame frame is formed and accommodates frame, hangs
Beam is fixed in described receiving frame in the horizontal direction, and described hanging beam connects drive system, it is characterised in that edge in described receiving frame
Vertical is arranged at intervals with two horizontal sliding fixtures, and two described horizontal sliding fixtures are separately fixed at described hanging beam and described base
On, horizontally spaced fixed plate and the centering plate of being provided with of described horizontal sliding fixture, described centering plate connects hydraulic means, described
Hydraulic means controls described centering plate and slides in the horizontal direction.
Electronics tensile and compression testing machine the most according to claim 1, it is characterised in that described drive system include servomotor with
And two drive screws, two described drive screws connect the two ends of described hanging beam respectively, pass described in described driven by servomotor
Move screw rod and then drive described hanging beam to move along vertical.
Electronics tensile and compression testing machine the most according to claim 2, it is characterised in that along vertical, described hanging beam is by even
Fitting is connected with wheel spoke type sensor, passes so that described hanging beam is transferred to described radial by the driving force of described servomotor
Sensor.
4. according to the electronics tensile and compression testing machine according to any one of claim 1-3, it is characterised in that along vertical, described
Hanging beam be provided above footstock, described footstock is fixed in described receiving frame, and described hanging beam is not connected with described horizontal sliding fixture
Side connects a compression clamp.
Electronics tensile and compression testing machine the most according to claim 4, it is characterised in that described footstock is provided with the first platen, institute
State compression clamp and be provided with the second platen, be oppositely arranged along the first platen described in vertical and described second platen.
Electronics tensile and compression testing machine the most according to claim 5, it is characterised in that described first platen and described second platen
Dish footpath be 200mm.
7. according to the electronics tensile and compression testing machine according to any one of claim 1-3 and 5-6, it is characterised in that described power train
System connection control system, described control system controls the duty of described drive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701583.5U CN205808825U (en) | 2016-07-06 | 2016-07-06 | A kind of electronics tensile and compression testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701583.5U CN205808825U (en) | 2016-07-06 | 2016-07-06 | A kind of electronics tensile and compression testing machine |
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| CN205808825U true CN205808825U (en) | 2016-12-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607400A (en) * | 2017-09-19 | 2018-01-19 | 福州大学 | Rubber type of material biaxial tension-compression strength machine |
| CN109141853A (en) * | 2018-08-28 | 2019-01-04 | 南京中船绿洲机器有限公司 | A kind of hanging beam ultimate load static test device and its test method |
| CN110346204A (en) * | 2019-08-08 | 2019-10-18 | 欧国林 | It is a kind of for building the detecting device for pressure strength of aluminium alloy warp architecture |
| CN110793867A (en) * | 2019-10-15 | 2020-02-14 | 福建闽佳鑫人造板有限公司 | Detection method for static bending strength and elastic modulus of artificial board |
| CN117782788A (en) * | 2024-02-28 | 2024-03-29 | 合肥工业大学 | Low-damage sheet tensile test device and method |
-
2016
- 2016-07-06 CN CN201620701583.5U patent/CN205808825U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607400A (en) * | 2017-09-19 | 2018-01-19 | 福州大学 | Rubber type of material biaxial tension-compression strength machine |
| CN109141853A (en) * | 2018-08-28 | 2019-01-04 | 南京中船绿洲机器有限公司 | A kind of hanging beam ultimate load static test device and its test method |
| CN109141853B (en) * | 2018-08-28 | 2024-03-15 | 南京中船绿洲机器有限公司 | Device and method for testing ultimate load static force of hanging beam |
| CN110346204A (en) * | 2019-08-08 | 2019-10-18 | 欧国林 | It is a kind of for building the detecting device for pressure strength of aluminium alloy warp architecture |
| CN110793867A (en) * | 2019-10-15 | 2020-02-14 | 福建闽佳鑫人造板有限公司 | Detection method for static bending strength and elastic modulus of artificial board |
| CN117782788A (en) * | 2024-02-28 | 2024-03-29 | 合肥工业大学 | Low-damage sheet tensile test device and method |
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