CN207051123U - A kind of portable minisize thin plate rate tester - Google Patents

A kind of portable minisize thin plate rate tester Download PDF

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Publication number
CN207051123U
CN207051123U CN201720271137.XU CN201720271137U CN207051123U CN 207051123 U CN207051123 U CN 207051123U CN 201720271137 U CN201720271137 U CN 201720271137U CN 207051123 U CN207051123 U CN 207051123U
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CN
China
Prior art keywords
guide rail
horizontal guide
testpieces
checked
fixture block
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.)
Expired - Fee Related
Application number
CN201720271137.XU
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Chinese (zh)
Inventor
吴涛
姜文
姚卫星
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Priority to CN201720271137.XU priority Critical patent/CN207051123U/en
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Publication of CN207051123U publication Critical patent/CN207051123U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of portable minisize thin plate rate tester, wherein verifying attachment includes base, testpieces, specimen holder device, displacement drive and measurement apparatus to be checked.Nut in the utility model portable minisize thin plate rate tester is by rotating intermediate plate, testpieces and fixture block to be checked are fixed so that testpieces one end to be checked fixed constraint, and the utility model is applicable to long 100 200mm, wide 50 150mm thin plate bending stiffness testing, the utility model is compact-sized simple, it is simple to operate, do not limited by place and personnel, be easy to safeguard.

Description

A kind of portable minisize thin plate rate tester
Technical field:
A kind of portable minisize thin plate rate tester is the utility model is related to, belongs to material science and machine-building skill The instrument and instrument field of art.
Background technology:
Thin plate is a kind of material types commonly used in engineering structure, is widely applied to the structures such as aircraft automobile.Most engineerings Structure is worked under alternate load effect, therefore the thin plate in structure typically can also be acted on by alternate load.At this In a little load, the load perpendicular to sheet plane can make thin plate occur bending and deformation, and in alternating bending deformation process, thin plate is firm Degree can gradually degenerate, so as to which fatigue rupture occur.So in the higher sheet part of some life requirements, at the beginning of design It must be designed according to structure fatigue life criterion, and carry out fatigue experiment, then need to measure before and after testing by thin plate thin The bending stiffness of plate, then the situation of its Stiffness Deterioration is obtained to estimate the fatigue life of thin plate, assess whether design meets the requirements. It is also required to determine rigidity acceptability limit according to design requirement when thin plate produces and processes and installs simultaneously, and it is firm to thin plate bending Degree is tested, to ensure quality.
It is few for the patent of the stiffness testing of thin-slab structure at present, wherein 201110452478.4 propose a kind of pendulum The method of testing of rigidity, by prepare device for testing stiffness, installation, measurement displacement, obtain detect mass under deadweight turn The steps such as angle finally give rigidity of chip.But its method of testing proposed is relative complex, high is required to equipment and test site, Manpower is needed to participate in more, one-shot measurement needs 2 minutes, although rigidity value, actual production can be measured relatively accurately When require no knowledge about specific rigidity value, it is only necessary to compared with critical field, so such method is unfavorable for the big rule of factory Whether modulo n check thin plate rigidity meets to require.
Therefore necessary design is a kind of simple to operate, and measuring speed is fast, and site requirements is not high, high portable of applicability Miniature thin panel stiffness verifying attachment and its method of work.
Utility model content:
The utility model is that to provide a kind of portable minisize thin plate to solve the above-mentioned problems of the prior art firm Spend verifying attachment.
The utility model adopts the following technical scheme that:A kind of portable minisize thin plate rate tester, including base, are treated Seizure test part, specimen holder device, displacement drive and measurement apparatus;
The base is a hollow cuboid;
The specimen holder device includes fixture block, intermediate plate, stud and nut, and the fixture block is connected with base, stud with Fixture block is connected through a screw thread, and testpieces to be checked is lain in a horizontal plane on fixture block, and intermediate plate perforate is moved up and down by stud, the nut By rotating intermediate plate, testpieces and fixture block to be checked are fixed so that testpieces one end to be checked fixed constraint;
The displacement drive includes horizontal guide rail, sliding block, bearing, locking nut and rigid frame, the horizontal guide rail bag Include the X-direction horizontal guide rail on base and Y side vertical with X-direction horizontal guide rail direction and on rigid frame To horizontal guide rail, there are two sliding blocks on every X-direction horizontal guide rail, a sliding block, institute are installed on every Y-direction horizontal guide rail State sliding block to fix by locking nut and horizontal guide rail, bearing is installed, the rigid frame installation is in X side between sliding block and horizontal guide rail To on four sliding blocks of horizontal guide rail, it is bolted;
The measurement apparatus includes measuring table, scale pan, spring, graduated scale and counterweight, and the measuring table is connected to On the sliding block of Y-direction horizontal guide rail, centre bore is offered among measuring table, measuring table, which is provided with, to be used to pacify spring-loaded circle Post, the scale pan are provided with the short cylindrical for being used for being arranged on spring, are connected with the scale pan through measuring table centre bore For the long cylinder directly contacted with testpieces to be checked, graduated scale is carved with periphery in the long cylinder, and reading comes during for testing Judge testpieces rigidity to be checked whether in acceptability limit.
The utility model also adopts the following technical scheme that:A kind of work side of portable minisize thin plate rate tester Method, comprise the following steps:
Step 1:During experiment, first code test part is placed on fixture block, after pressing upper clip, tightens nut;
Step 2:X-direction guide rail and Y-direction guide rail top shoe are adjusted respectively further according to code test part stiffness excitations position Position, tighten locking nut after adjusting;
Step 3:Selection appropriate mass is placed on scale pan center for M counterweight so that and scale pan has obvious displacement, And it is no more than range, it is X to record reading on graduated scale after scale pan is stable, and determines scale pan displacement according to error requirements And graduated scale reading zone of reasonableness (X ± Δ X);
Step 4:Counterweight is removed, then pulls down code test part, then changes testpieces to be checked;
Step 5:Testpieces to be checked is placed on fixture block, after pressing upper clip, tightens nut;
Step 6:X-direction guide rail and Y-direction guide rail top shoe are adjusted respectively further according to testpieces stiffness excitations position to be checked Position, locking nut is tightened after adjusting;
Step 7:It is M counterweight that the quality selected during the detection of above-mentioned standard testpieces is placed in scale pan center, treats counterweight Reading X ' on graduated scale is read after disk is stable, and is judged whether in section X ± Δ X, so as to judge the testpieces to be checked Whether rigidity meets design requirement;
Step 8:Then new testpieces to be checked can be changed and repeat above-mentioned inspection.
The utility model has the advantages that:
1. the bending stiffness that can carry out one end fixed constraint one end Free Thin Plate is examined;
2. long 100-200mm is applicable to, wide 50-150mm thin plate bending stiffness testing;
3. stiffness testing point can be adjusted by the horizontal guide rail of both direction;
4. it is compact-sized simple, it is simple to operate, do not limited by place and personnel, be easy to safeguard.
Brief description of the drawings:
Fig. 1 is front view of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is right view of the present utility model.
Wherein:
1- bases, 2- fixture blocks, 3- intermediate plates, 4- studs, 5- nuts, 6- testpieces to be checked, 7- horizontal guide rails, 8- sliding blocks, 9- Bearing, 10- locking nuts, 11- rigid frames, 12- measuring tables, 13- scale pans, 14- springs, 15- graduated scales, 16- counterweights.
Embodiment:
The utility model is further described below in conjunction with the accompanying drawings.
The utility model portable minisize thin plate rate tester includes base 1, testpieces 6 to be checked, specimen holder dress Put, displacement drive and measurement apparatus.
Base 1 is a hollow cuboid, for supporting whole verifying attachment.
Specimen holder device includes fixture block 2, intermediate plate 3, stud 4 and nut 5, and wherein fixture block 2 is connected with base 1, stud 4 It is connected through a screw thread with fixture block 2, testpieces 6 to be checked is lain in a horizontal plane on fixture block 2, and the perforate of intermediate plate 3 can be by moving down on stud 4 It is dynamic, intermediate plate 3, testpieces 6 and fixture block 2 to be checked are fixed by nut 5, one end of testpieces 6 to be checked is formed fixed constraint.
Displacement drive includes horizontal guide rail 7, sliding block 8, bearing 9, locking nut 10 and rigid frame 11, and horizontal guide rail 7 wraps Include the X-direction horizontal guide rail on the base 1 and vertical with X-direction horizontal guide rail direction and be arranged on rigid frame 11 Y-direction horizontal guide rail, there are two sliding blocks 8 on every X-direction horizontal guide rail, a cunning is installed on every Y-direction horizontal guide rail Block 8, sliding block 8 are fixed by locking nut 10 and horizontal guide rail 7, and bearing 9 is provided between sliding block 8 and horizontal guide rail 7 and is rubbed to reduce Power is wiped, rigid frame 11 is arranged on four sliding blocks 8 of X-direction horizontal guide rail, is bolted.
Measurement apparatus includes measuring table 12, scale pan 13, spring 14, graduated scale 15 and counterweight 16.Measuring table 12 connects It is connected on the sliding block 8 of Y-direction horizontal guide rail, centre bore is offered among measuring table 12, measuring table 12, which is provided with, is used to install The cylinder of spring 14.Scale pan 13 is provided with the short cylindrical for being used for being arranged on spring 14, is connected with scale pan 13 flat through measurement The centre bore of platform 12 is used for the long cylinder directly contacted with testpieces 6 to be checked, and graduated scale 15 is carved with periphery wherein in long cylinder, is used for Whether reading judges the rigidity of testpieces 6 to be checked in acceptability limit during experiment.The effect of spring 14, which is such that in, is not added with counterweight The minimum point of scale pan 13 does not contact with testpieces 6 to be checked in the state of 16.For different sizes and the testpieces to be checked 6 of material, Different counterweights 16 is selected to be placed on the top of scale pan 13 so that scale pan 13 produces downwards obvious displacement, improves the standard of inspection Exactness.
The method of work of the utility model portable minisize thin plate rate tester, comprises the following steps:
Step 1:During experiment, first by code test part, (a piece of in advance in laboratory by accurate measurement, rigidity meets to set The testpieces that meter requires can be used as code test part) it is placed on fixture block 2, after pressing upper clip 3, tighten nut 5;
Step 2:X-direction guide rail and Y-direction guide rail top shoe are adjusted respectively further according to code test part stiffness excitations position 8 position, locking nut 10 is tightened after adjusting;
Step 3:Selection appropriate mass is placed on the center of scale pan 13 for M counterweight 16 so that scale pan 13 has significantly Displacement, and it is no more than range, it is X to record reading on graduated scale 15 after scale pan 13 is stable, and is determined according to error requirements The displacement of scale pan 13 and graduated scale reading zone of reasonableness (X ± Δ X);
Step 4:Counterweight 16 is removed, then pulls down code test part, then changes testpieces 6 to be checked;
Step 5:Testpieces 6 to be checked is placed on fixture block 2, after pressing upper clip 3, tightens nut 5;
Step 6:Adjusted respectively further according to the stiffness excitations position of testpieces 6 to be checked sliding on X-direction guide rail and Y-direction guide rail The position of block 8, tightens locking nut 10 after adjusting;
Step 7:It is M counterweight 16 that the quality selected during the detection of above-mentioned standard testpieces is placed in the center of scale pan 13, is treated Reading X ' on graduated scale 15 is read after scale pan 13 is stable, and is judged whether in section X ± Δ X, so as to judge that this is treated Whether the rigidity of seizure test part 6 meets design requirement;
Step 8:Then new testpieces to be checked can be changed and repeat above-mentioned inspection.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, some improvement can also be made on the premise of the utility model principle is not departed from, these improvement also should be regarded as The scope of protection of the utility model.

Claims (1)

  1. A kind of 1. portable minisize thin plate rate tester, it is characterised in that:Including base (1), testpieces (6) to be checked, examination Part clamping device, displacement drive and measurement apparatus;
    The base (1) is a hollow cuboid;
    The specimen holder device includes fixture block (2), intermediate plate (3), stud (4) and nut (5), the fixture block (2) and base (1) connect, stud (4) is connected through a screw thread with fixture block (2), and testpieces (6) to be checked is lain in a horizontal plane on fixture block (2), intermediate plate (3) Perforate is moved up and down by stud (4), and the nut (5) is solid by intermediate plate (3), testpieces (6) to be checked and fixture block (2) by rotation Determine so that testpieces (6) one end to be checked fixed constraint;
    The displacement drive includes horizontal guide rail (7), sliding block (8), bearing (9), locking nut (10) and rigid frame (11), institute State the X-direction horizontal guide rail and vertical with X-direction horizontal guide rail direction that horizontal guide rail (7) includes being arranged on base (1) And the Y-direction horizontal guide rail on rigid frame (11) is arranged on, there are two sliding blocks (8), every Y-direction on every X-direction horizontal guide rail One sliding block (8) is installed, the sliding block (8) is fixed by locking nut (10) and horizontal guide rail (7), sliding block on horizontal guide rail (8) bearing (9) is installed between horizontal guide rail (7), the rigid frame (11) is arranged on four sliding blocks (8) of X-direction horizontal guide rail On, it is bolted;
    The measurement apparatus includes measuring table (12), scale pan (13), spring (14), graduated scale (15) and counterweight (16), institute Measuring table (12) connection is stated in the Y direction on the sliding block (8) of horizontal guide rail, measuring table (12) is middle to offer centre bore, surveys Amount platform (12) is provided with the cylinder for being used for installing spring (14), and the scale pan (13), which is provided with, to be used to be arranged on spring (14) Short cylindrical, it is connected with the scale pan (13) through measuring table (12) centre bore and is used to directly contact with testpieces to be checked (6) Long cylinder, graduated scale (15) is carved with periphery in the long cylinder, and reading judges testpieces to be checked (6) rigidity during for testing Whether in acceptability limit.
CN201720271137.XU 2017-03-20 2017-03-20 A kind of portable minisize thin plate rate tester Expired - Fee Related CN207051123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720271137.XU CN207051123U (en) 2017-03-20 2017-03-20 A kind of portable minisize thin plate rate tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720271137.XU CN207051123U (en) 2017-03-20 2017-03-20 A kind of portable minisize thin plate rate tester

Publications (1)

Publication Number Publication Date
CN207051123U true CN207051123U (en) 2018-02-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106885741A (en) * 2017-03-20 2017-06-23 南京航空航天大学 A kind of portable minisize thin plate rate tester and its method of work
CN110553829A (en) * 2019-09-23 2019-12-10 中国船舶重工集团公司第七0七研究所 integral flexible joint rigidity measuring device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106885741A (en) * 2017-03-20 2017-06-23 南京航空航天大学 A kind of portable minisize thin plate rate tester and its method of work
CN110553829A (en) * 2019-09-23 2019-12-10 中国船舶重工集团公司第七0七研究所 integral flexible joint rigidity measuring device and method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180227

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CF01 Termination of patent right due to non-payment of annual fee