CN107843487A - A kind of Multi-axial Loading test device of finite element analysis - Google Patents
A kind of Multi-axial Loading test device of finite element analysis Download PDFInfo
- Publication number
- CN107843487A CN107843487A CN201711380124.7A CN201711380124A CN107843487A CN 107843487 A CN107843487 A CN 107843487A CN 201711380124 A CN201711380124 A CN 201711380124A CN 107843487 A CN107843487 A CN 107843487A
- Authority
- CN
- China
- Prior art keywords
- loading
- loading arm
- frock
- finite element
- element analysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000011068 loading method Methods 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000010008 shearing Methods 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- G01N3/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of Multi-axial Loading test device of finite element analysis, it is to produce Multi-axial Loading by computer motion control, to being bent, reversing, shearing, tension and compression deformation by geodesic structure, each wet environment value is obtained by displacement transducer, measuring each measuring point by strain transducer strains.The device is easy to operate automatic, is suitable for the high-precision slow test of various structures.
Description
Technical field：
The present invention relates to a kind of finite element analysis device, the Multi-axial Loading of specifically a kind of finite element analysis is surveyed
Trial assembly is put.
Background technology：
Many engineering structures are required for carrying out slow test, the structural member especially on space satellite.It is common quiet
Power experiment is loaded using testing machine or hydraulic jack, the generally unidirectional loading of testing machine, once carries out one or two direction
Bending, shearing, torsion, tension and compression, hydraulic jack can load simultaneously with multiple, but control accuracy and operating characteristics compared with
Difference.
The content of the invention：
The purpose of the present invention is to solve the shortcomings of the prior art and provide a kind of Multi-axial Loading survey of finite element analysis
Trial assembly is put.The device, which is adopted to computerized control, carries out Multi-axial Loading measurement, and measurement accuracy is high, and automaticity is high, easy to operate.
Technical scheme：
Multipoint excitation is carried out by computer control motion control card, structure is bent by the realization of multiple loading arms,
Shearing, reverse, tension and compression deformation, by strain and each wet environment of displacement sensor, computer automatically processes slow test
As a result.
The beneficial effects of the invention are as follows：Compared with the prior art, the present invention is a kind of based on computer control motion control
Card carries out the automatic testing equipment of multipoint excitation, and measurement accuracy is high, and automaticity is high, easy to operate.
Brief description of the drawings：
Fig. 1 is the structural representation of the present invention.
Marked in figure：1 tension and compression loading arm, 2 reverse loading arm, 3 bending loading arms, 4 shearing loading arms, 5 frameworks, 6 loadings
Frock, 7 tested structural members, 8 strain transducers, 9 displacement transducers, 10 computers, 11 motion control cards.
Embodiment：
A kind of as shown in figure 1, Multi-axial Loading test device of finite element analysis.Including 1 tension and compression loading arm, 2 torsions add
Load arm, 3 bending loading arms, 4 shearing loading arms, 5 frameworks, 6 loading frocks, 7 tested structural members, 8 strain transducers, 9 displacements pass
Sensor, 10 computers, 11 motion control cards.
Described tested structural member 7 is fixed on loading table top, and loading frock 6 is fixed on the tested upper end of structural member 7；Tension and compression
The upper end of loading arm 1 is fixed on framework 5, and lower end acts on loading frock 6 upper end；Loading arm 2 is reversed to act in the horizontal direction
Load the both ends of frock 6；Bending loading arm 3 acts on loading frock 6 both ends in vertical direction；Shear loading arm 4 in the horizontal direction
Act on loading frock 6 one end；Tension and compression loading arm 1 is controlled by motion control card 11 by computer 10, reverses loading arm 2, curved
Bent loading arm 3, shearing loading arm 4；Strain transducer 8 and displacement transducer 9 are connected to computer 10；The processing of computer 10 obtains
The Static Test Results of tested structural member 7.
The Multi-axial Loading test device operation principle of described finite element analysis is：Motion control is stuck in computer control
The lower bending driven at different application points, shearing, torsion, tension and compression loading arm, it can need individually be bent according to measurement, cut
Cut, reverse, the subitem slow test of tension and compression, can also simultaneously be bent, sheared, reversed, the slow test of tension and compression, strain passes
Sensor and displacement transducer result of the test are automatically saved in computer.
Claims (1)
1. a kind of Multi-axial Loading test device of finite element analysis, it is characterized in that：Tested structural member (7) is fixed on loading table top
On, loading frock (6) is fixed on tested structural member (7) upper end；Tension and compression loading arm (1) upper end is fixed on framework (5), and lower end is made
Used in loading frock (6) upper end；Reverse loading arm (2) and act on loading frock (6) both ends in the horizontal direction；Bend loading arm
(3) loading frock (6) both ends are acted in vertical direction；Shearing loading arm (4) acts on loading frock (6) one in the horizontal direction
End；Tension and compression loading arm (1) is controlled by motion control card (11) by computer (10), reverses loading arm (2), bending loading arm
(3) loading arm (4), is sheared；Strain transducer (8) and displacement transducer (9) are connected to computer (10)；Computer (10) processing
Obtain the Static Test Results of tested structural member (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380124.7A CN107843487A (en) | 2017-12-20 | 2017-12-20 | A kind of Multi-axial Loading test device of finite element analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711380124.7A CN107843487A (en) | 2017-12-20 | 2017-12-20 | A kind of Multi-axial Loading test device of finite element analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107843487A true CN107843487A (en) | 2018-03-27 |
Family
ID=61684019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711380124.7A Pending CN107843487A (en) | 2017-12-20 | 2017-12-20 | A kind of Multi-axial Loading test device of finite element analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107843487A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696399A (en) * | 2019-01-28 | 2019-04-30 | 华南理工大学 | It is a kind of for testing the experimental provision of bituminous pavement interlayer adhesive property |
| CN111678802A (en) * | 2020-06-28 | 2020-09-18 | 烟台大学 | Double-arm bending and twisting combined experimental method and device |
| CN112014221A (en) * | 2020-09-03 | 2020-12-01 | 西南石油大学 | Well drilling traction robot supporting mechanism testing arrangement |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079293U (en) * | 1990-07-13 | 1991-06-19 | 胡祥银 | Multifunctional material testing machine |
| CN105677971A (en) * | 2016-01-07 | 2016-06-15 | 郑州大学 | Cube unit deformation decomposition method meeting complete orthogonality and mechanical equilibrium conditions |
| WO2016173112A1 (en) * | 2015-04-30 | 2016-11-03 | 中国矿业大学 | Multiphase and multi-field coupling anchoring assembly deformation test system and method |
| CN107063598A (en) * | 2017-04-11 | 2017-08-18 | 北京航空航天大学 | A kind of labyrinth stiffness parameters automatic test platform |
| CN206627375U (en) * | 2017-02-23 | 2017-11-10 | 胡长华 | Pipeline rigidity automatic testing equipment |
| CN207894715U (en) * | 2017-12-20 | 2018-09-21 | 北京理工大学 | A kind of Multi-axial Loading test device of finite element analysis |
-
2017
- 2017-12-20 CN CN201711380124.7A patent/CN107843487A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079293U (en) * | 1990-07-13 | 1991-06-19 | 胡祥银 | Multifunctional material testing machine |
| WO2016173112A1 (en) * | 2015-04-30 | 2016-11-03 | 中国矿业大学 | Multiphase and multi-field coupling anchoring assembly deformation test system and method |
| CN105677971A (en) * | 2016-01-07 | 2016-06-15 | 郑州大学 | Cube unit deformation decomposition method meeting complete orthogonality and mechanical equilibrium conditions |
| CN206627375U (en) * | 2017-02-23 | 2017-11-10 | 胡长华 | Pipeline rigidity automatic testing equipment |
| CN107063598A (en) * | 2017-04-11 | 2017-08-18 | 北京航空航天大学 | A kind of labyrinth stiffness parameters automatic test platform |
| CN207894715U (en) * | 2017-12-20 | 2018-09-21 | 北京理工大学 | A kind of Multi-axial Loading test device of finite element analysis |
Non-Patent Citations (1)
| Title |
|---|
| 孙建辉等: "结构件三自由度静刚度测试***", 《轻工机械》, vol. 26, no. 2, pages 408 - 410 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696399A (en) * | 2019-01-28 | 2019-04-30 | 华南理工大学 | It is a kind of for testing the experimental provision of bituminous pavement interlayer adhesive property |
| CN111678802A (en) * | 2020-06-28 | 2020-09-18 | 烟台大学 | Double-arm bending and twisting combined experimental method and device |
| CN112014221A (en) * | 2020-09-03 | 2020-12-01 | 西南石油大学 | Well drilling traction robot supporting mechanism testing arrangement |
| CN112014221B (en) * | 2020-09-03 | 2022-02-15 | 西南石油大学 | Well drilling traction robot supporting mechanism testing arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107843487A (en) | A kind of Multi-axial Loading test device of finite element analysis | |
| Zhou et al. | Solutions of half-space and half-plane contact problems based on surface elasticity | |
| CN205027605U (en) | Rock unipolar compression test device under stress, temperature and vibration coupling | |
| CN103969107B (en) | High pressure servo moves true triaxial test machine | |
| CN103698225A (en) | Four-point bending elastic parameter measuring method and four-point bending elastic parameter measuring system | |
| Hashemi et al. | Development and validation of multi-axis substructure testing system for full-scale experiments | |
| CN102323033A (en) | Device for testing normal dynamic characteristics of junction surface | |
| CN207894715U (en) | A kind of Multi-axial Loading test device of finite element analysis | |
| CN103389195A (en) | Additional-stiffness-free shock excitation rod for modal test | |
| CN110287593A (en) | One kind being bolted model interface parameter identification method | |
| Chang et al. | Multiple degrees of freedom positioning correction for hybrid simulation | |
| CN102735534A (en) | Three-dimensional alternating load fatigue test device for rubber and plastic joint assembly | |
| Chen et al. | In-plane biaxial ratcheting behavior of PVDF UF membrane | |
| CN206270187U (en) | A kind of drag-line fatigue tester | |
| CN206627375U (en) | Pipeline rigidity automatic testing equipment | |
| Lin et al. | Establishment and verification of the analytical model for the critical parameters in the kinematics model of the precision positioning stage | |
| CN204142578U (en) | A kind of constraint of the passive type for triaxial test charger | |
| CN202216831U (en) | Device for testing tangential dynamic property of joint surface | |
| Avrigean et al. | Study of the cardan cross using the experimental and analytical method | |
| CN202710389U (en) | Three-dimensional cyclic loading fatigue testing device of rubber and plastic joint assembly | |
| CN202110052U (en) | Apparatus for testing normal dynamic character of faying face | |
| CN114459657A (en) | Impact load automatic identification method, electronic equipment and storage medium | |
| Pandit et al. | Finite deflection of slender cantilever with predefined load application locus using an incremental formulation | |
| CN105651685B (en) | A kind of experimental provision using soil-debris survey shale frictional behavior | |
| Chaudhary et al. | Experimental investigation of Gerber frames subjected to elastic lateral torsional buckling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180327 |