CN208383611U - Material Biaxial Compression loading device - Google Patents
Material Biaxial Compression loading device Download PDFInfo
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- CN208383611U CN208383611U CN201821110085.9U CN201821110085U CN208383611U CN 208383611 U CN208383611 U CN 208383611U CN 201821110085 U CN201821110085 U CN 201821110085U CN 208383611 U CN208383611 U CN 208383611U
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Abstract
The utility model discloses material Biaxial Compression loading devices, unique composed structure of the first power device and the second power device that use, so that can both carry out uniaxial compression load on loading direction or carry out the Biaxial Compression load of different proportion, Bit andits control load can have both been realized in control mode or carry out power control load；It uses loading axis coplanar in structure and corresponds to the non-coplanar multi-layer board of mounting plate-axis combining form, in movement using active by the way of servo-actuated combine, in addition to being fixed on the unmoving axle on bottom plate, upper layer mounting plate and corresponding loading axis keep following movement always on the active movement direction of lower layer's mounting plate and corresponding loading axis, so that guaranteeing is not in interfere problem between loading axis in Biaxial Compression motion process.
Description
Technical field
The utility model belongs to Biaxial Compression mechanics properties testing technical field, and in particular to material Biaxial Compression load dress
It sets.
Background technique
Biaxial Compression mechanical property is that the material constitutive models such as rock, concrete, composite material, rubber and criterion of strength are ground
The important foundation studied carefully, Biaxial Compression experiment is the important realization rate for obtaining material twin shaft mechanical property parameters, and completes this
Testing most important premise and basis is Biaxial Compression loading device.Biaxial Compression load design in, loading axis it is only
Can vertical movement interference problem between control problem, axis and axis be to influence Biaxial stress experimental technique realize arbitrary proportion twin shaft
Load, the key factor that aximal deformation value Biaxial Compression can be suitable for.For first key factor, the difficulty of realization is little,
Also there is more mature twin shaft testing machine product in major testing machine manufacturer, and for the second key factor, it is either public at present
The device product or technical data opened do not propose the solution and approach of essence, so how to solve the two simultaneously
Design important in inhibiting of the critical issue to Biaxial Compression loading device.
Existing Biaxial Compression loading device is broadly divided into two classes: one kind is only to be able to achieve spy based on uniaxial loading testing machine
Determine the Biaxial Compression loads fixture of load or displacement ratio, this fixture design is no doubt simple, but cannot achieve the only of loading axis
Vertical control, can only be reached set Biaxial Compression load, and the Biaxial stress proportional region being able to achieve by specific load path
It is limited, simultaneously because there is movement interference, it is made not to be suitable for the biggish material of compression deformation；Second class is domestic and international
Material Testing Machine manufacturer is existing, technology maturation Biaxial stress testing machine, and this kind of testing machine can realize the independent control of twin shaft,
The Biaxial Compression load of different proportion can be achieved, but equally exist deflection it is big when loading axis mutual movement interference ask
Topic, when solving the problems, such as the movement interference of biaxial compression test machine, some methods by changing sample design configuration are suggested,
But it is not suitable for the Biaxial Compression load of aximal deformation value still, and the sample design of non-standard configuration can introduce stress state unevenness
Even problem causes not testing directly acquiring material parameter by Biaxial Compression.
We has developed a kind of material Biaxial Compression loading device in order to solve problem above.
Summary of the invention
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of material Biaxial Compression loading device.
The utility model achieves the above object through the following technical schemes:
Material Biaxial Compression loading device, for obtaining the Biaxial Compression mechanical property parameters of sample, material Biaxial Compression
Loading device includes:
For the first movement component of compressive load, first movement component to be compressed and measured to sample along first direction
Including two load transducers, the first power device, the first fixed platform and side linear guide component, side linear guide group
Part is can be slidably mounted in a second direction in the first fixed platform；
For the second moving assembly of compressive load, the second moving assembly to be compressed and measured to sample in a second direction
Including two load transducers, the second power device, the second fixed platform, third fixed platform；The fixed peace of second power device
In the second fixed platform, the first power device is for the second fixed platform to be displaced along first direction；Second power
Device is for third fixed platform to be displaced in a second direction；
The two opposite sides of sample in a first direction contact the test side of two load transducers, two loads respectively
Sensor is separately fixed at again in side linear guide component and the second fixed platform；
The two opposite sides of sample in a second direction contact the test side of two load transducers, two loads respectively
Sensor is separately fixed at again in third fixed platform and the first fixed platform；
Third fixed platform is located at the second fixed platform top, and the second fixed platform is located at the first fixed platform top；
First direction and second direction are vertical.
Specifically, the first fixed platform includes bottom mounting plate, the second support frame, third support frame, the second support frame,
Three support frames are fixedly mounted on bottom mounting plate；Second fixed platform include two layers of mounting plate, the 4th support frame, the 4th
Support is mounted on two layers of mounting plate；Third fixed platform includes three layers of mounting plate.
Further, the first power device includes the first bottom linear guide component, bottom ball-screw component, the second bottom
Layer linear guide component, first servo motor, the first bottom linear guide component and the second bottom linear guide component are respectively mounted
On bottom mounting plate, and the two sides of bottom ball-screw component are located at, bottom ball-screw component and the first servo electricity
The rotating shaft transmission of machine connects, the bottom of two layers of mounting plate respectively with the upper end of the first bottom linear guide component, bottom ball wire
The upper end of the mobile external member of thick stick component, the second bottom linear guide component upper end be fixedly connected；Second power device includes the
Two servo motors, the one or two layer of linear guide component, two layers of ball-screw component, the two or two layer of linear guide component, second watches
It takes motor, the one or two layer of linear guide component and the two or two layer of linear guide component to be installed on two layers of mounting plate, the one or two
Layer linear guide component and the two or two layer of linear guide component are located at the two sides of two layers of ball-screw component, two layers of ball wire
Thick stick component is connect with the rotating shaft transmission of the second servo motor；The bottom of three layers of mounting plate respectively with the one or two layer of linear guide component
Upper end, two layers of ball-screw component the upper end of mobile external member, the upper end of the two or two layer of linear guide component be fixedly connected.
Further, the fixing end of side linear guide component is fixedly mounted on the second support frame, side linear guide
The sliding end of component is fixedly connected with one end of loading axis two, and the lower end of loading axis two is rotatably arranged there are two runner, three
The first block and the second block along first direction setting are provided on layer mounting plate, the other end of loading axis two is placed in first
Between block and the second block, and the one side wall opposite with the first block and the second block contacts rolling and connects two runners respectively
It connects.
Further, material Biaxial Compression loading device further includes loading axis one, the briquetting of loading axis one, loading axis
Three, the briquetting of loading axis three, loading axis four, the briquetting of loading axis four, loading axis two briquetting, loading axis one is fixedly mounted on three
On layer mounting plate, a load transducer is mounted between loading axis one and the briquetting of loading axis one；Loading axis three is fixed on third
On support frame, a load transducer is mounted between loading axis three and the briquetting of loading axis three；Loading axis four is mounted on the 4th
On support, a load transducer is mounted between loading axis four and the briquetting of loading axis four；Sample be placed in loading axis one briquetting,
The briquetting of loading axis two, the briquetting of loading axis three, loading axis four briquetting between.
The utility model has the beneficial effects that:
The material Biaxial Compression loading device of the utility model:
1, unique composed structure of the first power device and the second power device that use, so that both may be used on loading direction
The Biaxial Compression load of different proportion can also be carried out by carrying out uniaxial compression load, can both realize that Bit andits control added in control mode
Load can also carry out power control load.
2, it uses loading axis coplanar in structure and corresponds to the non-coplanar multi-layer board of mounting plate-axis combining form, moving
It is upper using actively by the way of servo-actuated combine, in addition to being fixed on the unmoving axle on bottom plate, upper layer mounting plate and corresponding loading axis
Always it keeps following movement on the active movement direction of lower layer's mounting plate and corresponding loading axis, to guarantee that Biaxial Compression moves
It is in the process not in interfere problem between loading axis.
Detailed description of the invention
Fig. 1 is the bottom mounting structure schematic diagram of the utility model；
Fig. 2 is two layers of mounting structure schematic diagram of the utility model；
Fig. 3 is three layers of mounting structure schematic diagram of the utility model；
Fig. 4 is total mounting structure schematic diagram of the utility model.
In figure: 01- bottom mounting plate；02- the first bottom linear guide component；03- bottom ball-screw component；04-
Two bottom linear guide components；05- first servo motor；The second support frame of 06-；The side 07- linear guide component；08- third
Support frame；09- loading axis three；Bis- layers of mounting plate of 10-；The second servo motor of 11-；The one or two layer of linear guide component of 12-；13-
Two layers of ball-screw component；The two or two layer of linear guide component of 14-；The 4th support frame of 15-；16- loading axis four；Tri- layers of 17- peace
Loading board；18- loading axis one；The first block of 19-；20- runner；The second block of 21-；22- loading axis two；23- sample；24- load
The load transducer of axis one；The briquetting of 25- loading axis one；The load transducer of 26- loading axis two；The briquetting of 27- loading axis two；
The load transducer of 28- loading axis three；The briquetting of 29- loading axis three；The load transducer of 30- loading axis four；31- loading axis four
Briquetting.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, if first direction is Y-direction, if second direction is X-direction；Material Biaxial Compressive
Contracting loading device, for obtaining the Biaxial Compression mechanical property parameters of sample 23, material Biaxial Compression loading device includes: to be used for
The first movement component of compressive load is compressed and measured to sample 23 along first direction, first movement component includes two lotuses
Set sensor, the first power device, the first fixed platform and side linear guide component 07, side linear guide component 07 is along
Two directions can be slidably mounted in the first fixed platform；For being compressed in a second direction to sample 23 and measuring compressive load
The second moving assembly, the second moving assembly include two load transducers, the second power device, the second fixed platform, third
Fixed platform；Second power device is fixedly mounted in the second fixed platform, and the first power device is used for the second fixed platform
It is displaced along first direction；Second power device is for third fixed platform to be displaced in a second direction；Sample 23 exists
Two opposite sides on first direction contact the test side of two load transducers respectively, and two load transducers are solid respectively again
It is scheduled in side linear guide component 07 and the second fixed platform；The two opposite sides of sample 23 in a second direction connect respectively
The test side of two load transducers is touched, two load transducers are separately fixed at third fixed platform and the first fixed platform again
On；Third fixed platform is located at the second fixed platform top, and the second fixed platform is located at the first fixed platform top；First direction
It is vertical with second direction.
First fixed platform include bottom mounting plate 01, the second support frame 06, third support frame 08, the second support frame 06,
Third support frame 08 is fixedly mounted on bottom mounting plate 01；Second fixed platform includes that two layers of mounting plate the 10, the 4th support
Frame 15, the 4th support frame 15 are mounted on two layers of mounting plate 10；Third fixed platform includes three layers of mounting plate 17.
First power device is straight including the first bottom linear guide component 02, bottom ball-screw component 03, the second bottom
Line guide assembly 04, first servo motor 05, the first bottom linear guide component 02 and the second bottom linear guide component 04 are
Be mounted on bottom mounting plate 01, and be located at the two sides of bottom ball-screw component 03, bottom ball-screw component 03 with
The rotating shaft transmission of first servo motor 05 connects, the bottom of two layers of mounting plate 10 respectively with the first bottom linear guide component 02
Upper end, the upper end of the mobile external member of bottom ball-screw component 03, the second bottom linear guide component 04 upper end be fixedly connected；
Second power device includes 11, the 1st layers of linear guide component of the second servo motor 12, two layers of ball-screw component, the two or two
Layer linear guide component 14, second 11, the 1st layers of linear guide component 12 of servo motor and the two or two layer of linear guide component
14 are installed on two layers of mounting plate 10, and the one or two layer of linear guide component 12 and the two or two layer of linear guide component 14 distinguish position
In the two sides of two layers of ball-screw component, two layers of ball-screw component are connect with the rotating shaft transmission of the second servo motor 11；Three layers
The bottom of the mounting plate 17 mobile external member with the upper end of the one or two layer of linear guide component 12, two layers of ball-screw component respectively
Upper end, the two or two layer of linear guide component 14 upper end be fixedly connected.
The fixing end of side linear guide component 07 is fixedly mounted on the second support frame 06, side linear guide component 07
Sliding end be fixedly connected with one end of loading axis 2 22, the lower end of loading axis 2 22 is rotatably arranged there are two runner 20,
Be provided on three layers of mounting plate 17 along first direction setting the first block 19 and the second block 21, loading axis 2 22 it is another
End is placed between the first block 19 and the second block 21, and two runners 20 are opposite with the first block 19 and the second block 21 respectively
One side wall contact roll connection.
Material Biaxial Compression loading device further includes loading axis 1, the briquetting 25 of loading axis one, loading axis 3 09, load
The briquetting 29 of axis three, loading axis 4 16, the briquetting 31 of loading axis four, loading axis two briquetting 27, loading axis 1 is fixedly mounted
On three layers of mounting plate 17, a load transducer is mounted between loading axis 1 and the briquetting 25 of loading axis one；Loading axis three
09 is fixed on third support frame 08, and a load transducer is mounted between loading axis 3 09 and the briquetting 29 of loading axis three；Add
Axis 4 16 is carried to be mounted on the 4th support frame 15, a load transducer be mounted on loading axis 4 16 and loading axis four briquetting 31 it
Between；Sample 23 be placed in the briquetting 25 of loading axis one, the briquetting 27 of loading axis two, the briquetting 29 of loading axis three, loading axis four pressure
Between block 31.
Motion process is summarized: when first servo motor 05 rotates, movement is passed to by bottom ball-screw component 03
Two layers of mounting plate 10 make two layers of mounting plate 10 and components mounted thereto generate the movement of Y-direction；The movement makes loading axis
Four briquetting 31 generates the compression-loaded power of Y-direction to sample 23, while produces the briquetting 27 of loading axis 2 22 and loading axis two
The movement of raw Y-direction.
When the rotation of the second servo motor 11, movement passes to three layers of mounting plate 17 by two layers of ball-screw component, makes
The components of three layers of mounting plate 17 and installation above generate the movement of X-direction；The movement keeps the briquetting 25 of loading axis one right
Sample 23 generates the compression-loaded power of X-direction, while making the shifting of the briquetting 29 of loading axis 3 09 and loading axis three generation X-direction
Dynamic, the briquetting 27 of loading axis 2 22, the load transducer of loading axis 2 22 and loading axis two can be in the second servo motor 11 at this time
Under the action of obtain an X-direction power effect, loading axis 2 22, the load transducer of loading axis 2 22 and loading axis 2 22
Deflection slightly can occur, the sliding of 07 sliding end of side linear guide component generation slightly can be made, but two runners 20 divide
Do not define loading axis 2 22 without departing from side linear guide with the contact rolling relation of the first block 19 and the second block 21
Component 07；The design of such structure, which avoids, there is briquetting 25 or loading axis of the briquetting 27 because of loading axis two to loading axis one
Three briquetting 29 deflects caused movement interference.
The power that loading axis 1 and loading axis 3 09 load is the relationship of a pair of of active force and reaction force, loading axis 2 22
Same with loading axis 4 16, loading axis 1, loading axis 2 22, loading axis 3 09, the compressive load of loading axis 4 16 are logical
Cross the respective load transducer 24 of loading axis one accordingly, the load transducer 26 of loading axis two, loading axis three load pass
Sensor 28 and the load transducer of loading axis four 30 measure.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (5)
1. material Biaxial Compression loading device, for obtaining the Biaxial Compression mechanical property parameters of sample, which is characterized in that material
Biaxial Compression loading device includes:
For being compressed and being measured the first movement component of compressive load to sample along first direction, first movement component includes
Two load transducers, the first power device, the first fixed platform and first straight line guide assembly, first straight line guide assembly edge
Second direction can be slidably mounted in the first fixed platform；
For being compressed and being measured the second moving assembly of compressive load to sample in a second direction, the second moving assembly includes
Two load transducers, the second power device, the second fixed platform, third fixed platform；Second power device is fixedly mounted on
In second fixed platform, the first power device is for the second fixed platform to be displaced along first direction；Second power device
For third fixed platform to be displaced in a second direction；
The two opposite sides of sample in a first direction contact the test side of two load transducers, two load sensings respectively
Device is separately fixed at again on first straight line guide assembly and the second fixed platform；
The two opposite sides of sample in a second direction contact the test side of two load transducers, two load sensings respectively
Device is separately fixed at again in third fixed platform and the first fixed platform；
Third fixed platform is located at the second fixed platform top, and the second fixed platform is located at the first fixed platform top；
First direction and second direction are vertical.
2. material Biaxial Compression loading device according to claim 1, it is characterised in that: the first fixed platform includes bottom
Mounting plate, the second support frame, third support frame, the second support frame, third support frame are fixedly mounted on bottom mounting plate；The
Two fixed platforms include two layers of mounting plate, the 4th support frame, and the 4th support frame is mounted on two layers of mounting plate；Third fixed platform
Including three layers of mounting plate.
3. material Biaxial Compression loading device according to claim 2, it is characterised in that: the first power device includes first
Bottom linear guide component, bottom ball-screw component, the second bottom linear guide component, first servo motor, the first bottom
Linear guide component and the second bottom linear guide component are installed on bottom mounting plate, and are located at bottom ball-screw
The rotating shaft transmission of the two sides of component, bottom ball-screw component and first servo motor connects, the bottom difference of two layers of mounting plate
It is led with the upper end of the first bottom linear guide component, the upper end of the mobile external member of bottom ball-screw component, the second bottom straight line
The upper end of rail assembly is fixedly connected；Second power device includes the second servo motor, the one or two layer of linear guide component, two layers of rolling
Ballscrew component, the two or two layer of linear guide component, the second servo motor, the one or two layer of linear guide component and the two or two layer are straight
Line guide assembly is installed on two layers of mounting plate, the one or two layer of linear guide component and the two or two layer of linear guide component difference
Positioned at the two sides of two layers of ball-screw component, two layers of ball-screw component are connect with the rotating shaft transmission of the second servo motor；Three layers
The bottom of mounting plate respectively with the upper end of the one or two layer of linear guide component, two layers of ball-screw component mobile external member it is upper
It holds, the upper end of the two or two layer of linear guide component is fixedly connected.
4. material Biaxial Compression loading device according to claim 2, it is characterised in that: first straight line guide assembly is consolidated
Fixed end is fixedly mounted on the second support frame, and the sliding end of first straight line guide assembly is fixedly connected with one end of loading axis two,
The lower end of loading axis two is rotatably arranged there are two runner, and first along first direction setting is provided on three layers of mounting plate
Block and the second block, the other end of loading axis two are placed between the first block and the second block, and two runners are respectively with
One block and the second block it is opposite one side wall contact roll connection.
5. material Biaxial Compression loading device according to claim 4, it is characterised in that: material Biaxial Compression loading device
It further include the pressure of loading axis one, the briquetting of loading axis one, loading axis three, the briquetting of loading axis three, loading axis four, loading axis four
The briquetting of block, loading axis two, loading axis one are fixedly mounted on three layers of mounting plate, and a load transducer is mounted on one He of loading axis
Between the briquetting of loading axis one；Loading axis three is fixed on third support frame, and a load transducer is mounted on loading axis three and adds
Between the briquetting for carrying axis three；Loading axis four is mounted on the 4th support frame, and a load transducer is mounted on loading axis four and load
Between the briquetting of axis four；Sample is placed in the briquetting of loading axis one, the briquetting of loading axis two, the briquetting of loading axis three, loading axis four
Briquetting between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821110085.9U CN208383611U (en) | 2018-07-13 | 2018-07-13 | Material Biaxial Compression loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821110085.9U CN208383611U (en) | 2018-07-13 | 2018-07-13 | Material Biaxial Compression loading device |
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| Publication Number | Publication Date |
|---|---|
| CN208383611U true CN208383611U (en) | 2019-01-15 |
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ID=64963950
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821110085.9U Active CN208383611U (en) | 2018-07-13 | 2018-07-13 | Material Biaxial Compression loading device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896394A (en) * | 2018-07-13 | 2018-11-27 | 中国工程物理研究院总体工程研究所 | Material Biaxial Compression loading device |
-
2018
- 2018-07-13 CN CN201821110085.9U patent/CN208383611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896394A (en) * | 2018-07-13 | 2018-11-27 | 中国工程物理研究院总体工程研究所 | Material Biaxial Compression loading device |
| CN108896394B (en) * | 2018-07-13 | 2023-12-29 | 中国工程物理研究院总体工程研究所 | Material biax compression loading device |
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