CN202512017U - Device for gauge length graving and assisted final gauge length measurement of tension test piece - Google Patents
Device for gauge length graving and assisted final gauge length measurement of tension test piece Download PDFInfo
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- CN202512017U CN202512017U CN2011205592322U CN201120559232U CN202512017U CN 202512017 U CN202512017 U CN 202512017U CN 2011205592322 U CN2011205592322 U CN 2011205592322U CN 201120559232 U CN201120559232 U CN 201120559232U CN 202512017 U CN202512017 U CN 202512017U
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- gauge length
- pressure strip
- test specimen
- rectangular
- delineation
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Abstract
The utility model discloses a device for gauge length graving and assisted final gauge length measurement of a tension test piece. The device comprises a left pressing plate, a right pressing plate, bearings, middle screws, ring sleeves, an equal distance ruler, a rectangular sleeve, a movable nicking tool and a circular guide rail; each of the left pressing plate and the right pressing plate is provided with three holes, namely a circular hole, a middle hole and a rectangular hole; the middle holes are formed in the centers of the two pressing plates, a bearing is arranged in each middle hole, the ring sleeve is arranged in each bearing, an internal thread is arranged in each ring sleeve, the internal screw of each ring sleeve is in threaded connection with a middle screw, and the test piece is fixed between the two middle screws; each circular hole is positioned on one side of the middle hole, and two ends of the circular guide rail are arranged in the circular holes of the two pressing plates; and the rectangular holes are positioned on the other sides of the middle holes, and two ends of the equal distance ruler are arranged in the rectangular holes of the two pressing plates. The device is small in size, simple in structure, convenient to operate, high in graving distance precision and very convenient and accurate in final gauge length measurement, and can be widely applied to a tension test of materials.
Description
Technical field
The utility model relates to a kind of tension test measurement mechanism; Particularly relate to a kind of device that is used for the delineation of tension test test specimen gauge length and assists to measure the gauge length of having no progeny; This device is to measure in the tension test of material to break back length growth rate index, is applicable to the standard component tension test of engineering experiment.
Background technology
At present, in the tension test of material the measurement of length growth rate be nothing more than with icking tool by equidistant (generally being 5mm or 10mm) groove on test specimen in advance, then through survey instruments such as vernier calipers, measure and have no progeny gauge length and calculate.Icking tool adopts hand-rail type or electrodynamic type to get ready and delineates the gauge length line, and lattices such as its minimum are limited by and do the restriction of technology condition, can't satisfy getting ready of 5mm calibration, can only on test specimen, carry out single getting ready simultaneously.Artificial dividing machine is also arranged, and it uses the steel plate guide groove, and volume weighs greatly, and the gauge length delineation realizes that through the way in the V-shaped groove screens manual movement screens is moved icking tool, but complex structure, unfavorable being widely used.In addition, many sample fixed forms are also arranged at present and have no progeny the gauge length measurement mechanism, sample generally adopts " V " groove, with spring compression, because spring reaction is too fast, often makes fracture be difficult to coincide, and it is not too convenient to operate; Also useful plasticine is fixed, and this mode is because fracture can't tight connecting, and test error just is difficult to avoid.
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The utility model content
The purpose of the utility model is to overcome the defective that existing machine exists, provide a kind of simple in structure, cost is low, advantages of small volume, make the fracture tight connecting, the device that is used for the delineation of tension test test specimen gauge length and assists to measure that the delineation precision is high, easy to operate.
The utility model connects through nut or fixed screw with round guide and two pressure strips with holes, forms the stress frame of adjustable-length.Place test specimen in frame mid portion; Screw middle screw rod back-pressure test specimen again; Thereby reach the fixedly purpose of test specimen, move lattice drive icking tool with equidistant scale and move, icking tool and test specimen surface are contacted as gauged distance; The rotation middle screw rod is rotated test specimen, just can realize the delineation of equidistant gauge length line.
The purpose of the utility model realizes through following technical scheme:
A kind of device that is used for the delineation of tension test test specimen gauge length and assists to measure comprises left pressure strip, right pressure strip, bearing, middle screw rod, annulus cover, equidistant scale, rectangular sleeve, moves icking tool and round guide; Be respectively equipped with three holes on left side pressure strip and the right pressure strip; Be respectively circular hole, interstitial hole and rectangular opening, the center of two pressure strips is provided with interstitial hole, and bearing is installed in the interstitial hole; Mounting circular ring cover in the bearing; Be provided with internal thread in the annulus cover, the internal thread of annulus cover is threaded with middle screw rod, fixing test specimen between two middle screw rod; Circular hole is positioned at interstitial hole one side, and the round guide two ends are arranged in the circular hole of two pressure strips; Rectangular opening is positioned at the interstitial hole opposite side, and equidistant scale two ends are arranged in the rectangular opening of two pressure strips; Equidistant scale is a rectangular shaft, equidistant scale leading flank vertically on have trapezoidal groove, the centre distance of groove is spaced apart 5-10mm; Mobile icking tool is fixed on the rectangular sleeve, and rectangular sleeve passes equidistant scale; Perforate is set on the rectangular sleeve; Insert rotary screw in the perforate; The rotary screw front end is a trapezoidal protrusion, and the height of trapezoidal protrusion is consistent with size with the degree of depth of the trapezoidal groove of size and equidistant scale, and the rotary screw front end places in the groove of equidistant scale versatilely.
For further realizing the purpose of the utility model, left pressure strip and right pressure strip all are preferably the thick plate-like structure.Two middle screw rod preferably are separately fixed on left pressure strip and the right pressure strip through annulus cover fixed screw.Said round guide preferably is fixed on left pressure strip and the right pressure strip through set screw.Said equidistant scale preferably is fixed on left pressure strip and the right pressure strip through set screw.
With respect to prior art, the utlity model has following advantage:
1, the utility model makes full use of the principle of acting force and reacting force, uses the combination construction framework of screw rod and nut, screws screw rod and promptly can reach the fixedly purpose of test specimen, and is simply small and exquisite, easy to operate, can control snap-in force freely.
2, the utility model is according to the characteristics and the meaning of gauge length line, and the equidistant scale and the removable icking tool that utilize retrofit to make can realize waiting the delineation of gauge length line easily, and be convenient and swift.
3, the utility model utilizes the mode that the screw thread application of force compresses, and the test specimen of can conveniently realizing having no progeny connects at the tight connecting of incision position, thereby fracture gauge length measuring accuracy is improved greatly.
4, the utility model utilizes bearing rotatable, and the rotation test specimen makes groove can be covered with whole circumference in the time of can conveniently being implemented in the icking tool delineation.
5, the utility model both can be used to delineate the gauge length line, can be used to again assist to measure the gauge length of having no progeny to breaking the clamping and positioning again of test specimen; Dual-use, volume is little, in light weight, simple in structure, easy to operate, and low price uses applicable to student's independence.
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Description of drawings
The structural representation of the device that is used for the delineation of tension test test specimen gauge length and assists to measure when Fig. 1 is delineation gauge length line.
Fig. 2 is a structural representation of measuring the device that is used for the delineation of tension test test specimen gauge length and assists to measure when having no progeny gauge length.
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Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described, but the utility model requires the scope of protection to be not limited to the scope that embodiment is expressed.
Like Fig. 1, shown in 2, a kind of device that is used for tension test test specimen gauge length delineation and assists to measure comprises left pressure strip 1, right pressure strip 4, bearing 5, middle screw rod 6, annulus cover 7, equidistant scale 3, rectangular sleeve 2, moves icking tool 8 and round guide 10; As shown in Figure 3, left pressure strip 1 all is preferably the thick plate-like structure with right pressure strip 4, is respectively equipped with three holes on two pressure strips; Be respectively circular hole, interstitial hole and rectangular opening; The center of left side pressure strip 1 and right pressure strip 4 is provided with interstitial hole, and bearing 5 is installed in the interstitial hole, mounting circular ring cover 7 in the bearing 5; Be provided with internal thread in the annulus cover 7; The internal thread of annulus cover 7 is threaded with middle screw rod 6, between two middle screw rod 6 fixedly test specimen 9, two middle screw rod 6 overlap fixed screw 12 through annulus and be separately fixed on left pressure strip 1 and the right pressure strip 4; Circular hole is positioned at interstitial hole one side, and round guide 10 two ends are arranged in the circular hole of two pressure strips, and round guide 10 is fixed on left pressure strip 1 and the right pressure strip 4 through set screw 11; Rectangular opening is positioned at the interstitial hole opposite side, and equidistant scale 3 two ends are arranged in the rectangular opening of two pressure strips, and equidistant scale 3 is fixed on left pressure strip 1 and the right pressure strip 4 through set screw 11; Equidistant scale 3 is rectangular shaft, equidistant scale leading flank vertically on have trapezoidal groove, the centre distance of groove is spaced apart 5-10mm; Move icking tool 8 and be fixed on the rectangular sleeve 2, rectangular sleeve 2 passes equidistant scale 3; On the rectangular sleeve 2 perforate is set; Insert rotary screw in the perforate; The rotary screw front end is a trapezoidal protrusion, and the height of trapezoidal protrusion is consistent with size with the degree of depth of the trapezoidal groove of size and equidistant scale 3, and the rotary screw front end places in the groove of equidistant scale 3 versatilely; When the rotary screw front end places the groove of equidistant scale 3 interior, will move icking tool 8 and be fixed on the equidistant scale 3.When needing to move; Unscrew rotary screw; The trapezoidal protrusion of rotary screw front end withdraws from the trapezoidal groove of equidistant scale 3, just can make by hand to move next trapezoidal groove place that icking tool 8 is pushed to equidistant scale 3, also can make to move icking tool 8 move left and right on equidistant scale.
When on test specimen 9, delineating the gauge length line, the annulus of screwing earlier cover fixed screw 12 unclamps the set screw 11 on the round guide, moves left pressure strip 1 or right pressure strip 4, makes between two middle screw rod 6 and can put into test specimen 9, the set screw 11 on the round guide of screwing again.Test specimen 9 left ends are withstood middle screw rod 6, and right-hand member compresses test specimen 9 through rotating another middle screw rod 6.Unscrew annulus cover fixed screw 12, middle screw rod 6 and test specimen 9 can be rotated with bearing 5 together.Unscrew the rotary screw on the rectangular sleeve 2; Promote the trapezoidal protrusion of rotary screw front end; Make mobile icking tool 8 with hand, move to test specimen 9 middle parts one end, the rotary screw on the rectangular sleeve 2 of screwing; The trapezoidal protrusion of rotary screw front end just places in the groove of equidistant scale 3, and mobile icking tool 8 can't be moved again.Pin mobile icking tool 8 with hand, contact, in rotation 6 one weeks of middle screw rod, just accomplish the delineation of a gauge length line with test specimen 9.Unclamp afterwards and move icking tool 8, make mobile icking tool leave test specimen 9, unscrew the rotary screw on the rectangular sleeve 2 again, on equidistant scale 3, promote to move icking tool 8 one lattice, repeat aforesaid operations, just accomplish the delineation of second gauge length line.This repetitive operation for another example just can be accomplished the delineation of the gauge length line on the whole test specimen 9.
As shown in Figure 2, after test specimen 9 fractures, need to measure when having no progeny gauge length; The annulus of screwing earlier cover fixed screw 12 unclamps the set screw 11 on the round guide, moves left pressure strip 1 or right pressure strip 4; Make between two middle screw rod 6 and can put into test specimen 9, the set screw 11 on the round guide of screwing again.With hand steered fracture site of living test specimen 9, test specimen 9 one ends contacts with the middle screw rod 6 in left side, the align middle screw rod 6 on right side of the other end is rotated the middle screw rod 6 on right side then, makes it slowly compress test specimen 9, and rotation adjusting test specimen 9, makes incision position identical.Continue the middle screw rod 6 on rotation right side, make test specimen 9 bear certain precompression, thereby reach the fixedly purpose of test specimen 9, re-use vernier caliper and measure the gauge length of having no progeny.
The utility model is fixed test specimen through the acting force and the reacting force of screw rod.Cooperate with ordinary blade with equidistant scale again and carry out groove.After test specimen is broken, can adjust this device frame length, with the fixing test specimen of the mode of rotary screwing thread, assist vernier caliper to measure the gauge length of having no progeny equally.Compare conventional electric-powered or manual dotting machine or dividing machine; Perhaps gauge length measurement mechanism etc. has the graduating accuracy height, easy operating; Advantages such as volume is little, in light weight; Can realize that a device both can solve the problem of delineation gauge length line, solve the problem that the test specimen of having no progeny is difficult to fixedly cause measuring difficulty again, can be widely used in student's test and engineering test.
Claims (5)
1. a device that is used for the delineation of tension test test specimen gauge length and assists to measure the gauge length of having no progeny is characterized in that: comprise left pressure strip, right pressure strip, bearing, middle screw rod, annulus cover, equidistant scale, rectangular sleeve, move icking tool and round guide; Be respectively equipped with three holes on left side pressure strip and the right pressure strip; Be respectively circular hole, interstitial hole and rectangular opening, the center of two pressure strips is provided with interstitial hole, and bearing is installed in the interstitial hole; Mounting circular ring cover in the bearing; Be provided with internal thread in the annulus cover, the internal thread of annulus cover is threaded with middle screw rod, fixing test specimen between two middle screw rod; Circular hole is positioned at interstitial hole one side, and the round guide two ends are arranged in the circular hole of two pressure strips; Rectangular opening is positioned at the interstitial hole opposite side, and equidistant scale two ends are arranged in the rectangular opening of two pressure strips; Equidistant scale is a rectangular shaft, equidistant scale leading flank vertically on have trapezoidal groove, the centre distance of groove is spaced apart 5-10mm; Mobile icking tool is fixed on the rectangular sleeve, and rectangular sleeve passes equidistant scale; Perforate is set on the rectangular sleeve; Insert rotary screw in the perforate; The rotary screw front end is a trapezoidal protrusion, and the height of trapezoidal protrusion is consistent with size with the degree of depth of the trapezoidal groove of size and equidistant scale, and the rotary screw front end places in the groove of equidistant scale versatilely.
2. the device that is used for the delineation of tension test test specimen gauge length and assists to measure the gauge length of having no progeny according to claim 1, it is characterized in that: left pressure strip and right pressure strip all are the thick plate-like structure.
3. the device that is used for the delineation of tension test test specimen gauge length and assists to measure the gauge length of having no progeny according to claim 1 is characterized in that: two middle screw rod are separately fixed on left pressure strip and the right pressure strip through annulus cover fixed screw.
4. the device that is used for the delineation of tension test test specimen gauge length and assists to measure the gauge length of having no progeny according to claim 1, it is characterized in that: said round guide is fixed on left pressure strip and the right pressure strip through set screw.
5. the device that is used for the delineation of tension test test specimen gauge length and assists to measure the gauge length of having no progeny according to claim 1, it is characterized in that: said equidistant scale is fixed on left pressure strip and the right pressure strip through set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205592322U CN202512017U (en) | 2011-12-29 | 2011-12-29 | Device for gauge length graving and assisted final gauge length measurement of tension test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205592322U CN202512017U (en) | 2011-12-29 | 2011-12-29 | Device for gauge length graving and assisted final gauge length measurement of tension test piece |
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| CN202512017U true CN202512017U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205592322U Expired - Fee Related CN202512017U (en) | 2011-12-29 | 2011-12-29 | Device for gauge length graving and assisted final gauge length measurement of tension test piece |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104416560A (en) * | 2013-09-05 | 2015-03-18 | 鞍钢股份有限公司 | High-speed tensile sample gauge length marking method |
| CN104807695A (en) * | 2015-04-15 | 2015-07-29 | 沈阳化工大学 | Standard distance section positioning device for thin-walled tubular fatigue specimen |
| CN105628606A (en) * | 2014-11-05 | 2016-06-01 | 武汉联航机电有限公司 | Transmission shaft sprayed powder viscosity test carving device |
| CN106353182A (en) * | 2016-10-25 | 2017-01-25 | 红河学院 | Measuring device for scale distance after tensile failure in tensile test |
| CN106706385A (en) * | 2016-12-09 | 2017-05-24 | 航天科工哈尔滨风华有限公司 | Device available for distance scaling and measurement of tensile sample |
| CN108168966A (en) * | 2017-11-30 | 2018-06-15 | 金堆城钼业股份有限公司 | The producing device and production method of molybdenum and molybdenum alloy tubing tensile test specimen scale distance line |
| CN108592746A (en) * | 2018-06-26 | 2018-09-28 | 中信戴卡股份有限公司 | A kind of sample marking distance and length-measuring appliance of having no progeny |
| CN109059874A (en) * | 2018-06-20 | 2018-12-21 | 祁超祯 | Hydrometric cableway flow measurement start point distance aided positioning system |
| CN109107393A (en) * | 2018-11-07 | 2019-01-01 | 温州莲华环保科技有限公司 | A kind of forward osmosis membrane performance test apparatus and its test method |
| CN109855953A (en) * | 2019-03-29 | 2019-06-07 | 苏州市建设工程质量检测中心有限公司 | The test specimen elongation measurement system and measurement method combined based on coding with vision measurement |
| CN110595873A (en) * | 2019-09-10 | 2019-12-20 | 华中科技大学 | Tensile sample gauge length and post-fracture gauge length measuring equipment |
| CN114812340A (en) * | 2022-04-20 | 2022-07-29 | 中北大学 | Scribing and measuring device for cylindrical sample tensile experiment |
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2011
- 2011-12-29 CN CN2011205592322U patent/CN202512017U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104416560B (en) * | 2013-09-05 | 2016-08-03 | 鞍钢股份有限公司 | A kind of rose method of high-speed stretch sample marking distance |
| CN104416560A (en) * | 2013-09-05 | 2015-03-18 | 鞍钢股份有限公司 | High-speed tensile sample gauge length marking method |
| CN105628606B (en) * | 2014-11-05 | 2019-02-12 | 武汉联航机电有限公司 | For transmission shaft dust degree of adhesion test scoring device |
| CN105628606A (en) * | 2014-11-05 | 2016-06-01 | 武汉联航机电有限公司 | Transmission shaft sprayed powder viscosity test carving device |
| CN104807695A (en) * | 2015-04-15 | 2015-07-29 | 沈阳化工大学 | Standard distance section positioning device for thin-walled tubular fatigue specimen |
| CN106353182A (en) * | 2016-10-25 | 2017-01-25 | 红河学院 | Measuring device for scale distance after tensile failure in tensile test |
| CN106706385A (en) * | 2016-12-09 | 2017-05-24 | 航天科工哈尔滨风华有限公司 | Device available for distance scaling and measurement of tensile sample |
| CN106706385B (en) * | 2016-12-09 | 2020-06-05 | 航天科工哈尔滨风华有限公司 | Device for measuring gauge length of tensile sample |
| CN108168966A (en) * | 2017-11-30 | 2018-06-15 | 金堆城钼业股份有限公司 | The producing device and production method of molybdenum and molybdenum alloy tubing tensile test specimen scale distance line |
| CN108168966B (en) * | 2017-11-30 | 2020-07-21 | 金堆城钼业股份有限公司 | Device and method for manufacturing molybdenum and molybdenum alloy pipe tensile sample gauge length line |
| CN109059874A (en) * | 2018-06-20 | 2018-12-21 | 祁超祯 | Hydrometric cableway flow measurement start point distance aided positioning system |
| CN108592746A (en) * | 2018-06-26 | 2018-09-28 | 中信戴卡股份有限公司 | A kind of sample marking distance and length-measuring appliance of having no progeny |
| US10823543B2 (en) | 2018-06-26 | 2020-11-03 | Citic Dicastal Co., Ltd. | Sample gauge length and length after fracture measuring device |
| CN109107393A (en) * | 2018-11-07 | 2019-01-01 | 温州莲华环保科技有限公司 | A kind of forward osmosis membrane performance test apparatus and its test method |
| CN109855953A (en) * | 2019-03-29 | 2019-06-07 | 苏州市建设工程质量检测中心有限公司 | The test specimen elongation measurement system and measurement method combined based on coding with vision measurement |
| CN110595873A (en) * | 2019-09-10 | 2019-12-20 | 华中科技大学 | Tensile sample gauge length and post-fracture gauge length measuring equipment |
| CN114812340A (en) * | 2022-04-20 | 2022-07-29 | 中北大学 | Scribing and measuring device for cylindrical sample tensile experiment |
| CN114812340B (en) * | 2022-04-20 | 2023-12-26 | 中北大学 | Scribing and measuring device for cylindrical sample stretching experiment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20141229 |
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| EXPY | Termination of patent right or utility model |