CN109470572A - A kind of novel test device suitable for bending plate stretching - Google Patents
A kind of novel test device suitable for bending plate stretching Download PDFInfo
- Publication number
- CN109470572A CN109470572A CN201811493846.8A CN201811493846A CN109470572A CN 109470572 A CN109470572 A CN 109470572A CN 201811493846 A CN201811493846 A CN 201811493846A CN 109470572 A CN109470572 A CN 109470572A
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- China
- Prior art keywords
- sliding block
- plate stretching
- testpieces
- bending plate
- test device
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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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- 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
-
- 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
- G01N2203/0017—Tensile
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- 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
The novel test device that the invention discloses a kind of suitable for bending plate stretching, belong to structural test mechanics field, apparatus of the present invention by above pedestal one end be fixedly installed sliding block guide rail, sliding block is connected on sliding block guide rail, the other end is provided with fixed stop above pedestal, pressurized strut is arranged by front and back between sliding block and fixed stop to connect, also laterally setting one supports rod guide for pedestal upper center position, it is connected with testpieces support device in support rod guide, testpieces support device is between sliding block and fixed stop；Apparatus of the present invention are simple and reliable for structure and efficiently the load test for bending plate stretching are achieved, and balance the stress at structure transformation, solve the contradiction between supporting and being removable, and loading accuracy is high, easy maintenance, and use scope is wide.
Description
Technical field
The present invention relates to structural test mechanics fields, for tensile load, analysis comparison to be fixed and applied to plate in the wrong
Hardened structure is bent in the ultimate load and failure mode under tensile load, in particular to a kind of guarantees the siding in entire loading procedure
Bear the experimental rig of pure extension load.
Background technique
In the various engineering structure of aerospace field, the structural member that a variety of materials are constituted is complicated stress structure
Part, they usually have the turnover of structure type, and under the complicated applied force state being chronically under various environment, thus these
The intensity of structural member under circumstances is the important subject in structural mechanics.In the design of modern project structure, it is necessary to
Strength problem of the research structure under specific load and environment, it is specific to a variety of materials progress there is an urgent need to be realized in laboratory
The application of load, specific environment state, the mechanical strength of Lai Kaohe material provide scientific basis for structure design, in next step
Theoretical establish prepare.
For a long time, cost effective, which is very difficult, is realized for this kind of testings of materials.It is tested for plate stretching in the wrong,
It can be realized at present using bilateral hydraulic servo testing machine, but due to these equipment prices valuableness, to use environment and personnel
Operation has a strict requirements, and high energy consumption, uses and need very high experimentation cost, and structural member size is limited by examination
The size and tonnage for testing machine, the mechanical strength examination for bending plate in the case of large-sized structural parts, big load have difficulties.
Summary of the invention
Aiming at the problems existing in the prior art, operation is easy and efficient reliable bends the invention discloses a kind of by the present invention
Plate stretching load testing machine, which balances the stress at structure transformation by the way of support, simple and reliable for structure
And it is achieved the load test for bending plate stretching；Furthermore testpieces is loaded by pressurized strut, load essence
Technological deficiency existing for the technical issues of degree is high, and easy maintenance can use under circumstances, solution kind.
The present invention is implemented as follows:
A kind of novel test device suitable for bending plate stretching disclosed by the invention, including pedestal, one end fixation of pedestal top are set
It is equipped with sliding block guide rail, sliding block is connected on the sliding block guide rail, sliding block can be kept off in sliding
It is moved on block guide rail to backhaul；The other end is fixedly installed fixed stop above the pedestal, and fixed stop is not removable
Dynamic block, is fixedly welded on pedestal；Pressurized strut is arranged by front and back between the sliding block and fixed stop to connect, leads to
It crosses the pressurized strut that front and back is arranged and drives sliding block sliding；The pedestal upper center position is also laterally arranged a support rod and leads
Rail is connected with testpieces support device in the support rod guide, and the testpieces support device is for bending hardened component
The support of bending place is supported sliding block and testpieces support device by the way of guide rail, solve support and can
Contradiction between movement can reduce the influence of frictional force；Testpieces support device is between sliding block and fixed stop.
Further, the sliding block, testpieces support device pass through support be respectively limited by sliding block guide rail,
It supports above rod guide；Sliding block is only capable of sliding along sliding block guide rail, and test specimen support device is only capable of sliding along support rod guide
It is dynamic.
Further, the sliding block guide rail, support rod guide are fixed on above pedestal with welding manner.
Further, the fixed stop is fixedly installed on above pedestal by welding manner, and fixed stop is welded in bottom
It is irremovable behind seat top.
Further, the pressurized strut is connected with sliding block, fixed stop respectively, and is to be bolted.
Further, the testpieces support device is bolted by equally distributed in testpieces to be tested.
Further, the pressurized strut is hydraulic actuator, and hydraulic actuator can accurately load testpieces, is protected
Demonstrate,prove the accurate distribution of load.Removable block is driven by hydraulic actuator, can only be slided along guide rail.Hydraulic actuator drives sliding
Block is mobile to clamp testpieces, to complete testpieces load.In comparison, the realization of the process is more convenient.
The beneficial achievement of the present invention compared with prior art is:
1) experimental rig of the invention it is innovative to plate stretching testpieces structure bending place in the wrong using supporting by the way of, balance
Stress at structure transformation, it is relatively simple to be achieved the load test for bending plate stretching；
2) experimental rig of the invention is innovative props up its two-part block and testpieces support device using guide rail
Support solves the contradiction between supporting and being removable, reduces the influence of frictional force；
3) test specimen support device of the invention is bolted with testpieces to be equally distributed, and test specimen support device is only capable of along guide rail
It slides, is connected using distributed bolt with testpieces at test specimen support, connection is relatively simple and avoids power stress concentration,
It obtains stress to be uniformly distributed, test is able to the progress being simple and efficient；
4) present invention accurately loads testpieces by hydraulic actuator, ensure that the accurate distribution of load.
Detailed description of the invention
Fig. 1 is a kind of overview suitable for bending the experimental rig of plate stretching of the present invention；
Fig. 2 is a kind of main view suitable for bending the experimental rig of plate stretching of the present invention；
Fig. 3 is a kind of top view suitable for bending the experimental rig of plate stretching of the present invention；
Wherein, 1- sliding block, 2- support, 3- pedestal, 4- sliding block guide rail, 5- pressurized strut, 6- testpieces support device, 7-
It is bolted, 8- fixed stop, 9- supports rod guide.
Specific embodiment
It is clear to keep the purpose of the present invention, technical solution and effect clearer, example is exemplified below to the present invention into one
Step is described in detail.It should be understood that specific implementation described herein is not intended to limit the present invention only to explain the present invention.
As shown in Fig. 1 ~ 3, experimental rig of the invention includes sliding block 1, support 2, pedestal 3, sliding block guide rail 4,
Pressurized strut 5, testpieces support device 6 are bolted 7, and fixed stop 8 supports rod guide 9.Wherein sliding block guide rail 4, branch
The corresponding position above pedestal 3 is respectively fixedly connected with welding manner in strut guide rail 9, and fixed stop 8 is fixed on bottom by welding manner
On seat 3.Sliding block 1 is limited on sliding block guide rail 4 by support 2, and sliding block 1 and support 2 can be led in sliding block
4 side's of restriction upward sliding of rail, sliding block 1 are connected with fixed stop 8 by pressurized strut 5, and the pressurized strut 5 in the present embodiment is adopted
With hydraulic actuator, pressurized strut 5 is set as between the pressurized strut 5 of two groups of front and back and sliding block 1, pressurized strut 5 and fixed stop 8 equal
To be bolted 7, pressurized strut 5 drives sliding block 1 to slide, and testpieces support device 6 is limited in support rod also by support 2 and leads
On rail 9, it is bolted between testpieces support device 6 and testpieces using equally distributed.
Specific test implementation steps are as follows:
Step 1: opening is hydraulic, and driving hydraulic actuator 5 drives sliding block 1 in suitable position, disconnects hydraulic；
Step 2: testpieces is connected with testpieces support device 6, be butted at left and right sides of testpieces respectively sliding block 1 with
On fixed stop 8；
Step 3: opening is hydraulic, and driving hydraulic actuator 5 drives sliding block 1 to realize progressive trial load, passes through actuation
Cylinder 5 is shunk, and generates tensile load to testpieces, while in order to guarantee that siding bears pure extension load in entire loading procedure,
Its face outer displacement is limited by testpieces support device 6, carries out tensile load test；
Step 4: after the completion of test, closing hydraulic and power supply, carries out hygienic cleaning to experimental rig.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (7)
1. a kind of novel test device suitable for bending plate stretching, including pedestal (3), which is characterized in that on the pedestal (3)
Fang Yiduan is fixedly installed sliding block guide rail (4), is connected with sliding block (1) on the sliding block guide rail (4)；
The other end is fixedly installed fixed stop (8) above the pedestal (3)；The sliding block (1) and fixed stop (8) it
Between by front and back setting pressurized strut (5) connect, pass through front and back be arranged pressurized strut (5) drive sliding block (1) sliding；Described
Also laterally setting one supports rod guide (9) for pedestal (3) upper center position, is connected in the support rod guide (9)
Testpieces support device (6), testpieces support device (6) are located between sliding block (1) and fixed stop (8).
2. a kind of novel test device suitable for bending plate stretching according to claim 1, which is characterized in that the cunning
Dynamic block (1), testpieces support device (6) are by supporting (2) to be respectively limited by sliding block guide rail (4), support rod guide
(9) top.
3. a kind of novel test device suitable for bending plate stretching according to claim 2, which is characterized in that the cunning
Dynamic block guide rail (4), support rod guide (9) are fixed on above pedestal (3) with welding manner.
4. a kind of novel test device suitable for bending plate stretching according to claim 1, which is characterized in that described consolidates
Determine block (8) to be fixedly installed on above pedestal (3) by welding manner.
5. a kind of novel test device suitable for bending plate stretching according to claim 1, which is characterized in that the work
Dynamic cylinder (5) are connected with sliding block (1), fixed stop (8) respectively, and are to be bolted (7).
6. a kind of novel test device suitable for bending plate stretching according to claim 1, which is characterized in that the examination
Part support device (6) are tested to be bolted by equally distributed in testpieces to be tested.
7. according to claim 1 a kind of suitable for bending the novel test device of plate stretching, which is characterized in that described
Pressurized strut (5) is hydraulic actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493846.8A CN109470572A (en) | 2018-12-07 | 2018-12-07 | A kind of novel test device suitable for bending plate stretching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493846.8A CN109470572A (en) | 2018-12-07 | 2018-12-07 | A kind of novel test device suitable for bending plate stretching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109470572A true CN109470572A (en) | 2019-03-15 |
Family
ID=65674756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811493846.8A Pending CN109470572A (en) | 2018-12-07 | 2018-12-07 | A kind of novel test device suitable for bending plate stretching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109470572A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09101250A (en) * | 1995-10-04 | 1997-04-15 | Juzo Maekawa | Sleeve type sliding plug unit for reducing frictional error in tension, torque or compression test of specimen in high liquid pressure vessel |
| JP2000298087A (en) * | 1999-04-14 | 2000-10-24 | Central Res Inst Of Electric Power Ind | Small-sized material testing apparatus and material testing method |
| CN200993628Y (en) * | 2006-12-20 | 2007-12-19 | 中国建筑材料科学研究总院 | Equipment for measuring cyclically-deformed hem life for aluminium-plastic plate |
| CN103048124A (en) * | 2012-12-10 | 2013-04-17 | 中国飞机强度研究所 | Pulley guide loading device |
| KR20130075478A (en) * | 2011-12-27 | 2013-07-05 | 현대중공업 주식회사 | Pad eye load test device |
| CN104807694A (en) * | 2015-05-04 | 2015-07-29 | 中国飞机强度研究所 | Fuselage panel combined load test device |
| JP2016003951A (en) * | 2014-06-17 | 2016-01-12 | Ｊｆｅスチール株式会社 | Method and device for tension-compression test |
| CN105372124A (en) * | 2015-12-12 | 2016-03-02 | 中国飞机强度研究所 | Span-adjustable bending test clamp with positioning function |
| CN105628348A (en) * | 2014-10-28 | 2016-06-01 | 哈尔滨飞机工业集团有限责任公司 | Fatigue test mechanism |
| CN206248437U (en) * | 2016-12-15 | 2017-06-13 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of rod member tension and compression testing device |
| CN207268698U (en) * | 2018-03-15 | 2018-04-24 | 黑龙江佰嘉生物质材料有限公司 | A kind of adhesive of artificial board adhesive strength detection device |
| CN107991072A (en) * | 2017-11-20 | 2018-05-04 | 西安航天动力测控技术研究所 | A kind of solid engines expansion segment plate loading test device |
| CN209525192U (en) * | 2018-12-07 | 2019-10-22 | 南京航空航天大学 | A kind of novel test device suitable for bending plate stretching |
-
2018
- 2018-12-07 CN CN201811493846.8A patent/CN109470572A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09101250A (en) * | 1995-10-04 | 1997-04-15 | Juzo Maekawa | Sleeve type sliding plug unit for reducing frictional error in tension, torque or compression test of specimen in high liquid pressure vessel |
| JP2000298087A (en) * | 1999-04-14 | 2000-10-24 | Central Res Inst Of Electric Power Ind | Small-sized material testing apparatus and material testing method |
| CN200993628Y (en) * | 2006-12-20 | 2007-12-19 | 中国建筑材料科学研究总院 | Equipment for measuring cyclically-deformed hem life for aluminium-plastic plate |
| KR20130075478A (en) * | 2011-12-27 | 2013-07-05 | 현대중공업 주식회사 | Pad eye load test device |
| CN103048124A (en) * | 2012-12-10 | 2013-04-17 | 中国飞机强度研究所 | Pulley guide loading device |
| JP2016003951A (en) * | 2014-06-17 | 2016-01-12 | Ｊｆｅスチール株式会社 | Method and device for tension-compression test |
| CN105628348A (en) * | 2014-10-28 | 2016-06-01 | 哈尔滨飞机工业集团有限责任公司 | Fatigue test mechanism |
| CN104807694A (en) * | 2015-05-04 | 2015-07-29 | 中国飞机强度研究所 | Fuselage panel combined load test device |
| CN105372124A (en) * | 2015-12-12 | 2016-03-02 | 中国飞机强度研究所 | Span-adjustable bending test clamp with positioning function |
| CN206248437U (en) * | 2016-12-15 | 2017-06-13 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of rod member tension and compression testing device |
| CN107991072A (en) * | 2017-11-20 | 2018-05-04 | 西安航天动力测控技术研究所 | A kind of solid engines expansion segment plate loading test device |
| CN207268698U (en) * | 2018-03-15 | 2018-04-24 | 黑龙江佰嘉生物质材料有限公司 | A kind of adhesive of artificial board adhesive strength detection device |
| CN209525192U (en) * | 2018-12-07 | 2019-10-22 | 南京航空航天大学 | A kind of novel test device suitable for bending plate stretching |
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