CN102853949A - Device for measuring shearing force of metal part - Google Patents
Device for measuring shearing force of metal part Download PDFInfo
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- CN102853949A CN102853949A CN2012103554768A CN201210355476A CN102853949A CN 102853949 A CN102853949 A CN 102853949A CN 2012103554768 A CN2012103554768 A CN 2012103554768A CN 201210355476 A CN201210355476 A CN 201210355476A CN 102853949 A CN102853949 A CN 102853949A
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Abstract
The invention provides a device for measuring a shearing force of a metal part. The device comprises a large bottom plate, wherein a side support plate is connected above the large bottom plate and equipped with a forcemeter; a shaft end of the forcemeter is connected with one end of a working block and the other end of the working block is equipped with a bevel shearing surface and faces to one end of a module to be measured; the working block is fixedly connected with a clamping block and a working support block on a sliding plate which is arranged on a sliding chute on the large bottom plate; the other end of the module to be measured faces to a screw end of a revolving axle; a pushing block, a flange, a revolving support block, a locating block and a rocker arm are sleeved on the revolving axle in sequence from the screw end to a threaded end; the pushing block is fixed by the flange and the bottom of the pushing block is mounted on the sliding plate; and the bottom of the revolving support block is mounted on the sliding plate. The device of the invention has the advantages that the rigidity is good, the bearing is large, the processing is convenient, the cost is saved, the operation is simple, the measuring response speed and accuracy is high, the measurement is accurate, the running is stable and reliable, the direct reading can be achieved, the measuring efficiency is high, and the gap of measuring the shearing force in the weld assembly quality inspection of high-low voltage electrical equipment is filled.
Description
Technical field
The present invention relates to high and low voltage electrical equipment electric metal spare welding control technology field, be specifically related to a kind of metalwork shearing force measurement mechanism.
Background technology
At present, measure being mainly used on the bearing product of shearing, it is to utilize strain measurement to go out method that its checkout equipment detects principle main; Specifically detect on the metal strain plate that adds in the middle of the bearing product and apply dynamic load, make it be subject to strain and measure local stress, go out the strain stress curve according to the local stress data fitting, the anti-stress of obtaining calculates support shearing force then on this curve; Perhaps according to measuring shearing dependent variable (or deformation angle), afterburning speed, lifting surface area, reaching friction factor, use the support shearing force computing formula to calculate data; Its application of principle is embodied in: 201010160564.3 patent No.s " a kind of one-way support shearing force measurement mechanism and measuring method ", 200810186045.7 the patent No. " microcomputer controlled electro-hydraulic servo multi-functional pressure-shear test machine: be applied in the wrinkling patent No. of testing product shear stress 200710044755.1 and introduce " sheet metal shear stress creping test method and test unit etc., its shortcoming is that the demarcation of shearing and solution procedure are complicated and to detect testing equipment complicated, huge, cost is high, detection efficiency is low; What often need in engineering is produced is high-level efficiency, directly reading, simple and convenient, measuring accuracy is accurate, range checkout equipment large, that be fit to large batch check of producing does not also have at present;
The A.C. contactor of high and low voltage electrical equipment for example, the electromagnetic trip spare of low-voltage circuit breaker, contact, the weldments such as support are tested the common use Ultrasonic Nondestructive of its firm welding, detect a melting welding area at surface level, the solder bond degree of depth unreacted of vertical direction out, can not reflect truth and the intensity that to weld fully, adopt at present to destroy and peel off, the degree of depth of check checking solder bond and judgement firmness, along with the industrial products expanding economy, more products are in order to upgrade and quality, to its load-bearing capacity, requirements at the higher level are proposed in machinery or serviceable life, be promoted as high-end or win the product brand that quality is trusted, many enterprises put in the research and development of the checkout equipment that is fit to large production lot check.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of metalwork shearing force measurement mechanism, utilize acting force to equal the reacting force principle, be specially adapted to the horizontal shear force measurement, embody the solder bond degree of depth load-bearing capacity of vertical direction.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of metalwork shearing force measurement mechanism, comprise large base plate 17, large base plate 17 tops connect side back up pad 19 by the first SOC.HD. cap screw 18, be provided with dynamometer 1 on the side back up pad 19, the axle head of dynamometer 1 connects an end of operation block 3, the other end of operation block 3 is with oblique angle shear surface 301 and towards an end of module 21 to be measured, lateral aperture 302 and vertical hole 303 are arranged on the operation block 3, lateral aperture 302 connects grip block 14, grip block 14 is fixed on the slide plate 16 by the second SOC.HD. cap screw 13, slide plate 16 is arranged in the chute on the large base plate 17, also be provided with work back-up block 15 between grip block 14 and the dynamometer 1, operation block 3 is connected with work back-up block 15 by vertical hole 303, the other end of module 21 to be measured is towards the screw rod end 103 of revolving shaft 10, be socketed successively pushing block 4 from screw rod end 103 to thread end 101 on the revolving shaft 10, flange 5, revolution back-up block 6, locating piece 7 and rocking arm 8, pushing block 4 fixes by flange 5 and the bottom is installed on the slide plate 16, revolution back-up block 6 bottoms also are installed on the slide plate 16, locating piece 7 realizes that with the keyway 102 on the revolving shaft 10 key is connected, thread end 101 mounting nuts 9 of revolving shaft 10 are fixing with rocking arm 8, wherein the base of the top of pushing block 4 and operation block 3 and module to be measured 21 position of testing level shearing force of wanting are contour, and the oblique angle shear surface 301 of operation block 3 upwards.
Between the screw rod end 103 of described grip block 14 and revolving shaft 10 scotch 12 is arranged, scotch 12 is installed on the slide plate 16.
Compared with prior art, the present invention is simple in structure, good rigidly, carrying is large, and easy to process, saving cost, simple to operate is measured response speed and precision high, measure accurately, reliable and the direct reading of working stability, testing efficiency is high, has filled up the blank of shearing force testing in the quality inspection of high and low voltage electrical equipment weldment.Make the test of ratio of brazing area and shearing force in the weldment quality inspection, embody truth and the intensity of welding fully.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is operation block structural representation of the present invention.
Fig. 3 is revolving shaft structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further details.
As shown in Figure 1, a kind of metalwork shearing force measurement mechanism comprises large base plate 17, and large base plate 17 tops connect side back up pad 19 by the first SOC.HD. cap screw 18, be fixed with dynamometer 1 by Screw 20 on the side back up pad 19, the axle head of dynamometer 1 connects an end of operation block 3.The structure of operation block 3 as shown in Figure 2, the one end is the axle head that the straight angle directly connects dynamometer 1, the other end is with oblique angle shear surface 301 and towards an end of module 21 to be measured, lateral aperture 302 and vertical hole 303 are arranged on the operation block 3, lateral aperture 302 connects grip block 14, grip block 14 is fixed on the slide plate 16 by the second SOC.HD. cap screw 13, slide plate 16 is arranged in the chute on the large base plate 17, also be provided with work back-up block 15 between grip block 14 and the dynamometer 1, operation block 3 is connected with work back-up block 15 by vertical hole 303, the other end of module 21 to be measured is towards the screw rod end 103 of revolving shaft 10, the structure of revolving shaft 10 as shown in Figure 3, one end is that screw rod end 103, one ends are thread end 101, and there is keyway 102 centre.Between the screw rod end 103 of grip block 14 and revolving shaft 10 scotch 12 is arranged, scotch 12 is installed on the slide plate 16.Be socketed successively pushing block 4, flange 5, revolution back-up block 6, locating piece 7 and rocking arm 8 from screw rod end 103 to thread end 101 on the revolving shaft 10, pushing block 4 fixes by flange 5 and the bottom is installed on the slide plate 16, revolution back-up block 6 bottoms also are installed on the slide plate 16, locating piece 7 realizes that with the keyway 102 on the revolving shaft 10 key is connected, thread end 101 mounting nuts 9 of revolving shaft 10 are fixing with rocking arm 8, wherein the base of the top of pushing block 4 and operation block 3 and module to be measured 21 position of testing level shearing force of wanting are contour, and the oblique angle shear surface 301 of operation block 3 upwards.
Principle of work of the present invention is:
Utilize acting force to equal the reacting force principle, same rectilinear direction above large base plate 17, the left side arranges the special-purpose force measuring machine of flip Trim, the centre arranges the stuck-module of fixing module 21 to be measured, the right arranges the rolling lead screw mechanism that the level that applies is pressed shearing, and the stuck-module of module 21 to be measured and rolling lead screw mechanism are fixed on the slide plate 16 simultaneously; Rolling lead screw mechanism adopts right-hand member to fix the mounting means of left end activity.
Above-mentioned side back up pad 19 and dynamometer 1 have namely consisted of special-purpose force measuring machine, operation block 3, grip block 14 and work back-up block 15 consist of stuck-module, and pushing block 4, flange 5, revolution back-up block 6, locating piece 7, rocking arm 8 and revolving shaft 10 consist of rolling lead screw mechanism.Rotating rocking arm 8 rotates the screw rod end 103 of revolving shaft 10, screw rod end 103 makes pushing block 4 drive 16 slide plates and produces rectilinear motion, the base of the top of pushing block 4 and operation block 3 and module to be measured 21 position of testing level shearing force of wanting are contour, and the oblique angle shear surface 301 of operation block 3 upwards.Therefore equal the principle of reacting force so that special-purpose force measuring machine shows or the readable numerical value that goes out the horizontal shear force that bears on the workpiece according to acting force.Rear manual with the data zero clearing with use before dynamometer 1 uses, the stress point sky of time spent dynamometer 1 is not opened.In shear history, scotch 12 spacing modules 21 to be measured make it along axial linear movement.
Owing to adopting said structure, the present invention is inserted in the operational module 21 of required testing level shearing force in 16 slide plates, operation block 3 on the dynamometer 1 that the left side is fixed consists of shearing with the pushing block 4 that the right arranges the rolling lead screw slide mechanism, manual operations is rotated 8 pairs of products of rocking arm and is wanted test position to apply level pressure shearing, and dynamometer 1 just can directly be read the maximum shear stress that aobvious product bears.
Claims (2)
1. metalwork shearing force measurement mechanism, it is characterized in that, comprise large base plate (17), large base plate (17) top connects side back up pad (19) by the first SOC.HD. cap screw (18), be provided with dynamometer (1) on the side back up pad (19), the axle head of dynamometer (1) connects an end of operation block (3), the other end of operation block (3) is with oblique angle shear surface (301) and towards an end of module to be measured (21), lateral aperture (302) and vertical hole (303) are arranged on the operation block (3), lateral aperture (302) connects grip block (14), grip block (14) is fixed on the slide plate (16) by the second SOC.HD. cap screw (13), slide plate (16) is arranged in the chute on the large base plate (17), also be provided with work back-up block (15) between grip block (14) and the dynamometer (1), operation block (3) is connected with work back-up block (15) by vertical hole (303), the other end of module to be measured (21) is towards the screw rod end (103) of revolving shaft (10), revolving shaft (10) is upper to be socketed pushing block (4) from screw rod end (103) successively to thread end (101), flange (5), revolution back-up block (6), locating piece (7) and rocking arm (8), pushing block (4) fixes by flange (5) and the bottom is installed on the slide plate (16), revolution back-up block (6) bottom also is installed on the slide plate (16), locating piece (7) realizes that with the keyway (102) on the revolving shaft (10) key is connected, thread end (101) mounting nuts (9) of revolving shaft (10) is fixing with rocking arm (8), wherein the base of the top of pushing block (4) and operation block (3) and module to be measured (21) the position of testing level shearing force of wanting contour, the oblique angle shear surface (301) of operation block (3) is upwards.
2. metalwork shearing force measurement mechanism according to claim 1 is characterized in that, between the screw rod end (103) of described grip block (14) and revolving shaft (10) scotch (12) is arranged, and scotch (12) is installed on the slide plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103554768A CN102853949A (en) | 2012-09-21 | 2012-09-21 | Device for measuring shearing force of metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103554768A CN102853949A (en) | 2012-09-21 | 2012-09-21 | Device for measuring shearing force of metal part |
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| CN102853949A true CN102853949A (en) | 2013-01-02 |
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| CN2012103554768A Pending CN102853949A (en) | 2012-09-21 | 2012-09-21 | Device for measuring shearing force of metal part |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502205A (en) * | 2014-12-17 | 2015-04-08 | 上海应用技术学院 | Rigid alloy soldered joint shearing property testing device |
| CN104807587A (en) * | 2015-04-29 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Automobile gear-shifting force measuring device |
| CN107894393A (en) * | 2017-11-27 | 2018-04-10 | 福达合金材料股份有限公司 | A kind of welded type electrical contact member high-temperature soldering strength testing device and method of testing |
| CN109667256A (en) * | 2018-11-29 | 2019-04-23 | 浙江大学 | It is a kind of for measuring the device and method of railway, highway subgrade and embankment slope soil body shear stress |
| CN113324689A (en) * | 2021-05-25 | 2021-08-31 | 重庆大学 | Shear lateral force real-time measuring device and measuring method |
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| US4527942A (en) * | 1982-08-25 | 1985-07-09 | Intest Corporation | Electronic test head positioner for test systems |
| US5798464A (en) * | 1996-12-18 | 1998-08-25 | Micron Electronics, Inc. | Method of measuring extraction forces |
| CN200965503Y (en) * | 2006-10-26 | 2007-10-24 | 比亚迪精密制造有限公司 | Anti-abrasion performance tester |
| CN101086474A (en) * | 2006-06-05 | 2007-12-12 | 中南大学 | Thermosonic flip-chip bonding shear force test instrument |
| CN201357260Y (en) * | 2009-03-05 | 2009-12-09 | 武钢集团昆明钢铁股份有限公司 | Shearing mechanism |
| CN101907535A (en) * | 2009-06-05 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Strength detection equipment |
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2012
- 2012-09-21 CN CN2012103554768A patent/CN102853949A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527942A (en) * | 1982-08-25 | 1985-07-09 | Intest Corporation | Electronic test head positioner for test systems |
| US5798464A (en) * | 1996-12-18 | 1998-08-25 | Micron Electronics, Inc. | Method of measuring extraction forces |
| CN101086474A (en) * | 2006-06-05 | 2007-12-12 | 中南大学 | Thermosonic flip-chip bonding shear force test instrument |
| CN200965503Y (en) * | 2006-10-26 | 2007-10-24 | 比亚迪精密制造有限公司 | Anti-abrasion performance tester |
| CN201357260Y (en) * | 2009-03-05 | 2009-12-09 | 武钢集团昆明钢铁股份有限公司 | Shearing mechanism |
| CN101907535A (en) * | 2009-06-05 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Strength detection equipment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502205A (en) * | 2014-12-17 | 2015-04-08 | 上海应用技术学院 | Rigid alloy soldered joint shearing property testing device |
| CN104807587A (en) * | 2015-04-29 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Automobile gear-shifting force measuring device |
| CN104807587B (en) * | 2015-04-29 | 2017-11-17 | 安徽江淮汽车集团股份有限公司 | A kind of measurement apparatus of automobile gear shift power |
| CN107894393A (en) * | 2017-11-27 | 2018-04-10 | 福达合金材料股份有限公司 | A kind of welded type electrical contact member high-temperature soldering strength testing device and method of testing |
| CN109667256A (en) * | 2018-11-29 | 2019-04-23 | 浙江大学 | It is a kind of for measuring the device and method of railway, highway subgrade and embankment slope soil body shear stress |
| CN113324689A (en) * | 2021-05-25 | 2021-08-31 | 重庆大学 | Shear lateral force real-time measuring device and measuring method |
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Application publication date: 20130102 |