CN106644772A - Metal material elongation detection positioning device - Google Patents
Metal material elongation detection positioning device Download PDFInfo
- Publication number
- CN106644772A CN106644772A CN201710089130.0A CN201710089130A CN106644772A CN 106644772 A CN106644772 A CN 106644772A CN 201710089130 A CN201710089130 A CN 201710089130A CN 106644772 A CN106644772 A CN 106644772A
- Authority
- CN
- China
- Prior art keywords
- hole
- axle
- metal
- positioner
- extension rate
- 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.)
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Classifications
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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
- G01N3/28—Investigating ductility, e.g. suitability of sheet metal for deep-drawing or spinning
-
- 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
- G01N3/04—Chucks
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0268—Dumb-bell specimens
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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
The invention discloses a metal material elongation detection positioning device. The device comprises two positioning frames, a carrier and a supporting block sequentially arranged on a base board from left to right. A V-shaped groove is formed in the top surface of each positioning frame; a limiting block is arranged on the left end face of the left positioning frame; a centre is arranged on the upper portion of the limiting block; fast calibers are mounted on a supporting plate which is arranged on the carrier; one end of a shaft forms a disc mounting portion, and a rotating wheel is arranged at the other end of the shaft; an arc groove is formed in the mounting portion along the peripheral wall, and a rubber ring is mounted in the arc groove; a connection sleeve is in clearance fit with the middle of the shaft, and a connection lug is welded to the lower middle portion of the connection sleeve and connected with the supporting block through a connection pin; a nut is arranged between the rotating wheel and the connection sleeve and in threaded fit with the shaft; a rubber rod is mounted in a blind hole in the top of the supporting block. The metal material elongation detection positioning device has advantages that a fracture position of a sample after tensile failure can be adjusted, fractures can be closely fit to the maximum extent by application of a pressing force, and accordingly elongation measurement accuracy is guaranteed, and sample elongation detection positioning efficiency is improved.
Description
Technical field
The invention belongs to a kind of elongation percentage detects positioner, and in particular to a kind of metal-material extension rate test detection positioning dress
Put.
Background technology
The mechanical property of materials is the key factor for affecting its functional characteristic.Elongation percentage is the important of measurement metal material performance
Parameter, is typically first broken on sample with testing machine, distance between each punctuate after then calculating is stretched, and then is calculated material
Elongation percentage.Required according to tension test concerned countries standard, tensile sample need to be processed into dumb-bell shape cylindrical member, two ends enlarged diameter section
To stretch retaining part, middle reduced diameter section is extension position, during measurement gauge length, is needed sample horizontal positioned, and breaking part should
Ensure that fracture coincide, and can so reduce the calculation error of elongation percentage as far as possible, this is accomplished by Design assistant positioner to meet survey
The needs of amount positioning.
The content of the invention
The present invention proposes to overcome shortcoming present in prior art, its objective is to provide a kind of metal material
Elongation percentage detects positioner.
The technical scheme is that：
A kind of metal-material extension rate test detects positioner, including base plate and axle, is disposed with two on base plate from left to right
Locating rack, bracket and rest pad；Top surface forms V-groove along tensile test specimen axis direction on locating rack；Limited block is arranged at left side
Locating rack left side；Thimble is arranged at limited block top；Supporting plate is provided with bracket, Quick action callipers are installed on supporting plate；Axle is leaned on
One end of nearly locating piece forms disc installation portion, and the other end is provided with rotating wheel；Circumferentially wall forms deep-slotted chip breaker, rubber to installation portion
Cushion rubber is installed in deep-slotted chip breaker；Adapter sleeve coordinates with axle middle part gap, and adapter sleeve middle lower portion is welded with engaging lug, and engaging lug leads to
Cross connecting pin to be connected with rest pad；Nut is arranged between rotating wheel and adapter sleeve, and is coordinated with axle thread；Rubber bar is installed on
In blind hole at the top of rest pad.
Described two locating racks, bracket and rest pad are fixed by screw and base plate.
The limited block is by the fixed part higher than top surface on locating rack and the connecting portion shape contacted with locating rack left side
Into rectangular structure, fixed part middle part formed along tensile test specimen axis direction arrange thimble through hole, top is vertically
The screwed hole that formation is connected with thimble through hole, connecting portion forms connection through hole.
The thimble is multidiameter structure, and miner diameter end passes through thimble through hole.
The rest pad is rectangular structure, and bottom surface forms multiple screw holes, and top forms and arranged along axle axis direction
Elongated slot and the blind hole that arranges along axle vertical direction, the pin-and-hole vertical with its direction of slotting is formed on elongated slot cell wall.
The axle is multidiameter structure, and disc installation portion, transition part, one section of threaded portion and two are sequentially formed from left to right
Section threaded portion；Installation position is in right positioner frame top；Transition part coordinates with adapter sleeve gap；Match somebody with somebody with nut one section of threaded portion
Close, two sections of threaded portions coordinate with rotating wheel neutral threaded hole.
Pin-and-hole interference fit on the connecting pin and rest pad, coordinates with engaging lug middle part interporal lacuna.
The invention has the beneficial effects as follows：
The present invention realizes measurement and positioning and the adjustment to meeting the standard tensile specimen of Standard, and the design principle of device is strict
The design requirement of tensile sample is followed, positioning, adjustment, three functions of clamping is realized in one, positioning function therein can meet
Reliable location to dumbbell shaped standard specimen, positioning precision reaches 0.01mm；Adjustment function can carry out trickle adjustment to sample, make
The fracture of the two sections of samples for disconnecting fits like a glove；Holding function can be carried out surely on the premise of completing to adjust sample to sample
Gu clamping, and do not produce dislocation in moving process or shift.During measurement, the device is positioned over into measuring apparatus together with sample and is carried
On thing platform, it is to avoid secondary being installed brings measure error.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of rest pad in the present invention；
Fig. 3 is the structural representation of axis of the present invention；
Fig. 4 is the structural representation of limited block in the present invention.
Wherein：
The rotating wheel of 1 adapter sleeve 2
The connecting pin of 3 base plate 4
The axle of 5 rest pad 6
The rubber bar of 7 locating rack 8
The limited block of 9 rubber ring 10
The supporting plate of 11 thimble 12
The nut of 13 bracket 14
The engaging lug of 15 Quick action callipers 16
The screw hole of 17 tensile test specimen 51
The blind hole of 52 elongated slot 53
The installation portion of 54 pin-and-hole 61
62 63 1 sections of transition part threaded portions
64 2 sections of fixed parts of threaded portion 101
The thimble through hole of 102 connecting portion 103
The 104 connection screwed holes of through hole 105.
Specific embodiment
Metal-material extension rate test of the present invention detection positioner is carried out in detail with reference to Figure of description and embodiment
Explanation：
As shown in figure 1, a kind of metal-material extension rate test detects positioner, including being set in turn in from left to right on base plate 3
Two locating racks 7, bracket 13 and rest pads 5；
Top surface forms V-groove along the axis direction of tensile test specimen 17 on the locating rack 7；Locating rack 7 is tied according to tensile test specimen 17
The detent mechanism of structure size design, assembling the plane of symmetry of latter two locating rack 7 should overlap, and concentricity is less than 0.01mm, protect
Demonstrate,prove the axiality of left and right two sections of tensile test specimens 17；
The limited block 10 is arranged at the left side of left positioner frame 7；Limited block 10 is by the fixed part higher than top surface on locating rack 7
101 and the rectangular structure that formed of the connecting portion 102 that contacts with the left side of locating rack 7, the middle part of fixed part 101 is formed along stretching examination
The screwed hole 105 connected with thimble through hole 103 is vertically formed on the thimble through hole 103 that the axis direction of part 17 is arranged, top,
Connecting portion 102 forms connection through hole 104.Thimble through hole 103 is used to assemble thimble 11；Connection through hole 104 be used for through with positioning
The securing member of the connection of frame 7；Screwed hole 105 is used to assemble trip bolt, to determine the suitable position of thimble 11.
The thimble 11 is multidiameter structure, and its miner diameter end passes through thimble through hole 103；Thimble 11 is used for tensile test specimen 17
Carry out axial limiting and adjustment；
Supporting plate 12 is provided with the bracket 13, Quick action callipers 15 are installed on supporting plate 12；Bracket 13 is used to support supporting plate 12；Support
Two parallel long through-holes are machined with plate 12, for connecting active grab 15, active grab 15 can provide axle to tensile test specimen 17
To clamping force, incision position is set to fit completely as far as possible；
The rest pad 5 is rectangular structure, and bottom surface forms multiple screw holes 51, and top forms and arranged along the axis direction of axle 6
Elongated slot 52 and the blind hole 53 that arranges along the axis vertical direction of axle 6, the pin vertical with its direction of slotting is formed on the cell wall of elongated slot 52
Hole 54；Pin-and-hole 54 is used for through connecting pin 4；Blind hole 53 is used to place rubber bar 8；
Axle 6 is multidiameter structure, and disc installation portion 61,62, one section of threaded portion 63 and two of transition part are sequentially formed from left to right
Section threaded portion 64；Installation portion 61 is located at the top of right positioner frame 7, and circumferentially wall forms deep-slotted chip breaker 65 to installation portion 61；Transition part 62
Coordinate with the gap of adapter sleeve 1；One section of threaded portion 63 coordinates with nut 14, and two sections of threaded portions 64 are matched somebody with somebody with the screwed hole of centre of rotating wheel 2
Close；
Rubber ring 9 is installed in deep-slotted chip breaker 65, and its effect is to provide certain frictional force, realizes to the fracture site of tensile test specimen 17
Circumferential adjustment；
The center of rotating wheel 2 is threaded through hole, and for being connected with axle 6, outer surface is designed for annular knurl, is easy to screw manually.
Adapter sleeve 1 coordinates with the gap of transition part 62 of axle 6, and the middle lower portion of adapter sleeve 1 is welded with engaging lug 16, engaging lug 16
It is connected with the pin-and-hole 54 of rest pad 5 by connecting pin 4；
Nut 14 is arranged between rotating wheel 2 and adapter sleeve 1, and is coordinated with the screw thread of axle 6, and nut 14 is used for axle and adapter sleeve
Connection fastening.；
Rubber bar 8 is installed in the blind hole 53 at the top of rest pad 5, the screen resilience produced after the compression of rubber bar 8, can make adjustment
Mechanism is always sample and provides certain radial compacting force, it is ensured that firm, the reduction measure error of sample.
Described two locating racks 7, bracket 13 and rest pad 5 are fixed by screw and base plate 3.
The interference fit of pin-and-hole 54 on the connecting pin 4 and rest pad 5, coordinates with the middle part interporal lacuna of engaging lug 16.
The using method of the present invention：
The present invention includes detent mechanism and adjustment mechanism, wherein, detent mechanism includes locating rack 7, limited block 10, thimble 11, support
Plate 12 and bracket 13；Adjustment mechanism include adapter sleeve 1, rotating wheel 2, connecting pin 4, rest pad 5, axle 6, rubber bar 8, rubber ring 9,
Nut 14.The entirety of adapter sleeve 1, rotating wheel 2 and axle 6 composition when placing sample, can push rotation along the circuit oscillation of connecting pin 4
Wheel 2, using lever principle other end rubber ring 9 is lifted, and after tensile sample 17 is positioned in the V-groove of locating rack 7, unclamps rotation
Runner 2, rubber ring 9 pushes down tensile sample 17；Rotating wheel 2 is screwed, adjustment fracture surface of sample position after fracture coincide, is locked quick
Clamp, sample is completely fixed.
Detailed process is：When positioning to tensile sample 17, first by break two sections of samples respectively with excircle orientation
It is placed in the V-groove of the top surface of locating rack 7 of detent mechanism, the sample that the rubber ring 9 of adjustment mechanism is attached to right-hand member is cylindrical, turns round
Runner is rotated, by the circumferentially direction revolution of frictional force drives right-hand member sample, when two sections of fractures of sample match, is pulled fast
Fast clamp 15 stretch out its pressure head, promote right-hand member sample axially move closer to left end sample, until fracture is completely near laminating, will try
Sample and frock are integrally positioned on measurement apparatus objective table, carry out the detection of elongation percentage.
Claims (7)
1. a kind of metal-material extension rate test detects positioner, it is characterised in that：Including being set in turn in base plate from left to right（3）
On two locating racks（7）, bracket（13）And rest pad（5）；Locating rack（7）Upper top surface forms V-groove；Limited block（10）Arrange
In left positioner frame（7）Left side；Thimble（11）It is arranged at limited block（10）Top；Bracket（13）On be provided with supporting plate（12）,
Quick action callipers（15）It is installed on supporting plate（12）On；Axle（6）One end formed disc installation portion（61）, the other end is provided with rotation
Wheel（2）；Installation portion（61）Circumferentially wall forms deep-slotted chip breaker（65）, rubber ring（9）It is installed on deep-slotted chip breaker（65）It is interior；Adapter sleeve（1）
It is set in axle（6）Middle part, adapter sleeve（1）Middle lower portion is welded with engaging lug（16）, engaging lug（16）By connecting pin（4）With
Supporting block（5）Connection；Nut（14）It is arranged at rotating wheel（2）With adapter sleeve（1）Between, and and axle（6）Screw thread coordinates；Rubber bar
（8）It is installed on rest pad（5）The blind hole at top（53）It is interior.
2. a kind of metal-material extension rate test according to claim 1 detects positioner, it is characterised in that：It is described two fixed
Position frame（7）, bracket（13）And rest pad（5）By screw and base plate（3）It is fixed.
3. a kind of metal-material extension rate test according to claim 1 detects positioner, it is characterised in that：The limited block
（10）It is by higher than locating rack（7）The fixed part of upper top surface（101）And with locating rack（7）The connecting portion of left side contact（102）
The rectangular structure of formation, fixed part（101）Middle part is formed along tensile test specimen（17）The thimble through hole that axis direction is arranged
（103）, top is vertically formed and thimble through hole（103）The screwed hole of connection（105）, connecting portion（102）Form connection
Through hole（104）.
4. a kind of metal-material extension rate test according to claim 1 or 3 detects positioner, it is characterised in that：The top
Pin（11）For multidiameter structure, miner diameter end is through thimble through hole（73）.
5. a kind of metal-material extension rate test according to claim 1 detects positioner, it is characterised in that：The rest pad
（5）For rectangular structure, bottom surface forms multiple screw holes（51）, top is formed along axle（6）The elongated slot that axis direction is arranged
（52）With along axle（6）The blind hole that vertical direction is arranged（53）, elongated slot（52）The pin-and-hole vertical with its direction of slotting is formed on cell wall
（54）.
6. a kind of metal-material extension rate test according to claim 1 detects positioner, it is characterised in that：The axle（6）
For multidiameter structure, disc installation portion is sequentially formed from left to right（61）, transition part（62）, one section of threaded portion（63）With two sections
Threaded portion（64）；Installation portion（61）Positioned at right positioner frame（7）Top；Transition part（62）With adapter sleeve（1）Gap coordinates；One section
Threaded portion（63）With nut（14）Coordinate, two sections of threaded portions（64）With rotating wheel（2）Neutral threaded hole coordinates.
7. a kind of metal-material extension rate test according to claim 1 detects positioner, it is characterised in that：The connecting pin
（4）With rest pad（5）On pin-and-hole（54）Interference fit, with engaging lug（16）Middle part interporal lacuna coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089130.0A CN106644772B (en) | 2017-02-20 | 2017-02-20 | Metal material elongation detecting and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089130.0A CN106644772B (en) | 2017-02-20 | 2017-02-20 | Metal material elongation detecting and positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644772A true CN106644772A (en) | 2017-05-10 |
| CN106644772B CN106644772B (en) | 2023-10-13 |
Family
ID=58846319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710089130.0A Active CN106644772B (en) | 2017-02-20 | 2017-02-20 | Metal material elongation detecting and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644772B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589012A (en) * | 2017-10-17 | 2018-01-16 | 中钢集团西安重机有限公司 | A kind of tensile sample is had no progeny measurement clamping device and its application method |
| CN108287107A (en) * | 2018-03-20 | 2018-07-17 | 国网山东省电力公司济宁供电公司 | A kind of hot elongation test holder and its application method |
| CN110095277A (en) * | 2019-06-15 | 2019-08-06 | 卢子青 | A kind of auto parts and components processing unit (plant) |
| CN110376050A (en) * | 2019-07-05 | 2019-10-25 | 江苏省镔鑫钢铁集团有限公司 | A kind of steel end-quenched positioning device |
| CN110864967A (en) * | 2019-10-24 | 2020-03-06 | 张玲 | Array type detection equipment for batch quality inspection of prefabricated parts of small building |
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| BE789963A (en) * | 1972-10-11 | 1973-04-11 | Centre Rech Metallurgique | METHOD AND DEVICE FOR DETERMINING THE PROPERTIES OF METAL MATERIALS. |
| DE19857415A1 (en) * | 1998-12-12 | 2000-06-15 | Audi Ag | Clamping device, e.g. for positioning sheets in assembling vehicle bodywork, with flat support surface on clamping bracket |
| CN101608988A (en) * | 2009-07-20 | 2009-12-23 | 江苏大学 | A kind of uni-directional stretching test clamp for warm shaping of metal plate |
| CN101949797A (en) * | 2010-08-27 | 2011-01-19 | 华中科技大学 | Method and device for testing micro-tensile mechanical properties of metal fiber |
| CN202229977U (en) * | 2011-08-25 | 2012-05-23 | 中煤张家口煤矿机械有限责任公司 | Positioning device utilizing powerful magnet for adsorption and fixation |
| CN103091163A (en) * | 2013-01-11 | 2013-05-08 | 燕山大学 | Device for measuring elongation and cross section shrink rate of metal stretching sample through fast clamping |
| CN204711617U (en) * | 2015-05-22 | 2015-10-21 | 安徽合力股份有限公司 | For the fixture that axial workpiece axial hole is located automatically |
| CN206557013U (en) * | 2017-02-20 | 2017-10-13 | 中核(天津)科技发展有限公司 | A kind of metal-material extension rate test detects positioner |
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2017
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| DE19857415A1 (en) * | 1998-12-12 | 2000-06-15 | Audi Ag | Clamping device, e.g. for positioning sheets in assembling vehicle bodywork, with flat support surface on clamping bracket |
| CN101608988A (en) * | 2009-07-20 | 2009-12-23 | 江苏大学 | A kind of uni-directional stretching test clamp for warm shaping of metal plate |
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| CN204711617U (en) * | 2015-05-22 | 2015-10-21 | 安徽合力股份有限公司 | For the fixture that axial workpiece axial hole is located automatically |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589012A (en) * | 2017-10-17 | 2018-01-16 | 中钢集团西安重机有限公司 | A kind of tensile sample is had no progeny measurement clamping device and its application method |
| CN107589012B (en) * | 2017-10-17 | 2023-10-17 | 中钢集团西安重机有限公司 | Clamping device for tensile sample after-break measurement and use method thereof |
| CN108287107A (en) * | 2018-03-20 | 2018-07-17 | 国网山东省电力公司济宁供电公司 | A kind of hot elongation test holder and its application method |
| CN108287107B (en) * | 2018-03-20 | 2020-10-16 | 国网山东省电力公司济宁供电公司 | Thermal extension test support and using method thereof |
| CN110095277A (en) * | 2019-06-15 | 2019-08-06 | 卢子青 | A kind of auto parts and components processing unit (plant) |
| CN110376050A (en) * | 2019-07-05 | 2019-10-25 | 江苏省镔鑫钢铁集团有限公司 | A kind of steel end-quenched positioning device |
| CN110376050B (en) * | 2019-07-05 | 2024-04-19 | 江苏省镔鑫钢铁集团有限公司 | End quenching sample positioning device |
| CN110864967A (en) * | 2019-10-24 | 2020-03-06 | 张玲 | Array type detection equipment for batch quality inspection of prefabricated parts of small building |
| CN110864967B (en) * | 2019-10-24 | 2022-07-12 | 内蒙古卓信建设工程检测有限公司 | Array type detection equipment for batch quality inspection of prefabricated parts of small building |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644772B (en) | 2023-10-13 |
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