CN205620228U - Anchor clamps of centre gripping wire tensile sample - Google Patents
Anchor clamps of centre gripping wire tensile sample Download PDFInfo
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- CN205620228U CN205620228U CN201620441764.9U CN201620441764U CN205620228U CN 205620228 U CN205620228 U CN 205620228U CN 201620441764 U CN201620441764 U CN 201620441764U CN 205620228 U CN205620228 U CN 205620228U
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- anchor clamps
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Abstract
The utility model provides an anchor clamps of centre gripping wire tensile sample, belongs to metal tensile test machine corollary equipment technical field for centre gripping wire sample on metal tensile test machine. Its technical scheme is: the utility model discloses comprise anchor clamps main part and anchor clamps carrier, the lower part of anchor clamps carrier is connected with testing machine sectional fixture's fixed slot, and the upper surface of anchor clamps main part has sample centre gripping groove, and the degree of depth in sample centre gripping groove and the diameter phase -match by the centre gripping sample have the slot on the anchor clamps carrier, and the anchor clamps main part is inserted in the slot, has fixing round hole on the anchor clamps carrier, and fixed ejector rod passes through fixing round hole and fastens the anchor clamps carrier. The utility model discloses simple structure, convenient to use, tight small dimension wire can effectively be pressed from both sides to the anchor clamps main part, guarantees small dimension wire tensile test's the completion and the accuracy of data, and the anchor clamps main part of selecting to have different degree of depth V type recesses can satisfy the tensile test of the little wire of multiple diameter, and the anchor clamps carrier can be accomplished pressing from both sides of anchor clamps main part and sample fast and adorn and the change.
Description
Technical field
This utility model relates to a kind of fixture for clamping tinsel sample used on metal tensile test machine, belongs to metal tensile test machine corollary equipment technical field.
Background technology
Metal material stretching test is one of important tests of experimental material mechanical property, and the elastic deformation in test, yield deformation, the various deformation of plastic deformation have been reacted material really and resisted the overall process of external force.The tension test of material is in stress state is unidirectional, isoperibol, and strain rate is to carry out under conditions of 0.0001-0.01/s.For stretching sample great majority all after mechanical process, process the bare terminal end of sample, excessive circular arc, parallel-segment equidimension properly ensure that tension test be normally carried out the accuracy with Mechanics Performance Testing.But little compared with the wire diameter of small dimension, it is impossible to it is machined out processing, easily causes significantly processing hardening and make tension test lose efficacy.Current most of pole fixture can not directly clamp by tinsel sample following to diameter 5.5mm, although tinsel can be clamped by level clamp, but chucking power deficiency can make sample skid, increase chucking power and sample deformation can be made again to have impact on the test result of mechanical property.Therefore the fixture being used for clamping the tinsel sample of minor diameter is lacked at present, it is necessary to solve.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of fixture clamping tinsel tensile sample, and this fixture can effectively clamp small dimension tinsel, and ensure that small dimension tinsel tension test completes the accuracy with data simultaneously.
The technical scheme solving above-mentioned technical problem is:
nullA kind of fixture clamping tinsel tensile sample，It includes jig main body、Fixture carrier and fixed mandril，Jig main body be cross section be the strip steel construction piece of I shape，I shape jig main body includes plane、Lower plane and middle vertical joint face，There is sample holder groove on the surface of upper plane，Sample holder groove is along the centrage of the length direction of upper plane，Fixture carrier is become the oblate cylinder of upper and lower two different-diameters by same materials processing，It is upper cylinder and lower cylinder respectively，Their center is relative，The fixing groove that lower cylinder installs fixture with testing machine is connected，The groove in upper YouTXing cross section, cylindrical surface，T-shaped groove overlaps with a upper cylindrical diameter，The bottom surface of T-shaped groove and facade match with the lower plane of jig main body and vertical joint face respectively，Upper cylinder with have two corresponding fixing circular holes on lower cylinder respectively，Two fixing circular holes lay respectively at the both sides of T-shaped groove，The line of centres of two fixing circular holes overlaps with a upper cylindrical diameter，Two fixing circular holes with the upper cylindrical center of circle apart from equal，Article two, fixed mandril matches with two fixing circular holes respectively，Article two, during fixed mandril is respectively inserted in two fixing circular holes, fixture carrier is fastened.
The fixture of above-mentioned clamping tinsel tensile sample, on described jig main body, the sample holder groove of plane is V-type groove, and the degree of depth of V-type groove matches with the diameter of held sample, the bossed texture in surface of V-type groove.
The fixture of above-mentioned clamping tinsel tensile sample, described fixing circular hole is shoulder hole, and the diameter on fixing circular hole top is more than the diameter of bottom, and the diameter of fixed mandril upper and lower diameter with fixing circular hole upper and lower respectively matches.
The fixture of above-mentioned clamping tinsel tensile sample, described fixed mandril bottom is set with spring, the fixed mandril below spring has horizontal fixing hole, the front end of spring steady pin are inserted in fixing hole.
The beneficial effects of the utility model are:
This utility model is made up of jig main body and fixture carrier two parts, the upper surface of jig main body has sample holder groove, the degree of depth of sample holder groove matches with the diameter of held sample, jig main body and fixture carrier close for inserting scarf, having fixing circular hole on fixture carrier, fixture carrier is fastened by fixed mandril by fixing circular hole.
This utility model simple in construction, easy to use, jig main body can effectively clamp small dimension tinsel, ensure small dimension tinsel tension test completes the accuracy with data, select the tension test with the small sized metallic silk that the jig main body of different depth V-type groove can meet multiple diameter, fixture carrier can be rapidly completed clamping and changing of jig main body and sample, a whole set of fixture uses the abrasion-resistant stee of NM600, and hardness is high, wearability is good, fixture deformation when can prevent clamping sample.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic bottom view of Fig. 1;
Fig. 3 is the structural representation of jig main body；
Fig. 4 is the structural representation of fixture carrier；
Fig. 5 is the structural representation of fixed mandril.
In figure, labelling is as follows: jig main body 1, fixture carrier 2, fixed mandril 3, sample holder groove 4, upper cylinder 5, lower cylinder 6, T-shaped groove 7, fixing circular hole 8, spring 9, fixing hole 10, spring steady pin 11.
Detailed description of the invention
This utility model is made up of jig main body 1, fixture carrier 2, fixed mandril 3, spring 9 and spring steady pin 11.
Showing in figure, jig main body 1 includes the vertical joint face of plane, lower plane and centre for the strip steel construction piece that cross section is I shape, I shape jig main body 1.There is sample holder groove 4 on the surface of upper plane, sample holder groove 4 is along the centrage of the length direction of upper plane, sample holder groove 4 is V-type groove, the bottom surface angle of V-type groove is 120 degree, go for the tinsel stretching of sizes, the bossed texture in surface of V-type groove, to increase frictional force.In test, the degree of depth of V-type groove matches with the diameter of held sample, selects the tension test with the small sized metallic silk that the jig main body 1 of different depth V-type groove can meet multiple diameter.
Showing in figure, fixture carrier 2 is made up of two oblate cylinders, is upper cylinder 5, lower cylinder 6 respectively, and their its center is relative, and the fixing groove that lower cylinder 6 installs fixture with testing machine is connected.The groove in the YouTXing cross section, surface of upper cylinder 5, T-shaped groove 7 overlaps with a diameter of upper cylinder 5, the bottom surface of T-shaped groove 7 and facade match with the lower plane of jig main body 1 and vertical joint face respectively, the lower plane of jig main body 1 and vertical joint face are inserted in T-shaped groove 7, complete the installation of fixture.The size of lower cylinder 6 and cupping machine are installed grip size and are coincide and be easy to fixture carrier and be connected with equipment, the stress surface being effectively increased sample after the size installation bigger than normal fixture of upper cylinder 5 when sample clamps reduces sample skidding, improves the accuracy of experimental result.
Figure shows, two corresponding fixing circular holes 8 are had respectively on upper cylinder 5, lower cylinder 6, two fixing circular holes 8 lay respectively at the both sides of T-shaped groove 7, the line of centres of two fixing circular holes 8 overlaps with a diameter of upper cylinder 5, and the center of circle of two fixing circular holes 8 and upper cylinder 5 is apart from equal.
Showing in figure, fixing circular hole 8 is shoulder hole, and the diameter on fixing circular hole 8 top is more than the diameter of bottom.Article two, fixed mandril 3 matches with two fixing circular holes 8 respectively, and the diameter of fixed mandril 3 upper and lower diameter with fixing circular hole 8 upper and lower respectively matches.Article two, fixture carrier 2 is fastened in being respectively inserted in two fixing circular holes 8 by fixed mandril 3.
Showing in figure, fixed mandril 3 bottom is set with spring 9, the fixed mandril 3 below spring 9 has horizontal fixing hole 10, the front end of spring steady pin 11 are inserted in fixing hole 10, and using spring steady pin 11 to fix can be with quick-replaceable fixture carrier 2.
An embodiment of the present utility model is as follows:
Jig main body 1 overall length 80mm, thickness is 15mm；Upper plane width 15mm, thick 4mm；Lower plane width 30mm, thick 8mm；Middle vertical face width 5mm that connects, thick 3mm；The degree of depth of sample holder groove 4 is 1mm, and the length of side is 2mm, and angle is 120 degree.
The diameter 80mm of the upper cylinder 5 of fixture carrier 2, thick 12mm；The diameter 62mm of lower cylinder 6, thick 6mm；Upper face width 15.1mm of T-shaped groove 7, thick 4.1mm, lower face width 5.1mm, thick 3.1mm；Two fixing circular holes 8 vertical dimension with T-shaped groove 7 diameter respectively is 22mm, and two fixing circular holes 8 are respectively 9mm along the distance of T-shaped groove 7 diameter Yu T-shaped groove 7 diameter two ends simultaneously；Two fixing circular hole 8 upper diameter are 10mm, deep 10mm, and lower diameter is 6mm, deep 8mm.
The a length of 25mm of fixed mandril 3, diameter 5.5mm；A diameter of 1.1mm of fixing hole 10, away from the upper end 2.5mm of fixed mandril 3.
A diameter of 7mm of spring 9.
The a length of 1.5mm of spring steady pin 11, a diameter of 1mm.
Claims (4)
- null1. the fixture clamping tinsel tensile sample，It is characterized in that: it includes jig main body (1)、Fixture carrier (2) and fixed mandril (3)，Jig main body (1) be cross section be the strip steel construction piece of I shape，I shape jig main body (1) includes plane、Lower plane and middle vertical joint face，There is sample holder groove (4) on the surface of upper plane，Sample holder groove (4) is along the centrage of the length direction of upper plane，Fixture carrier (2) is become upper and lower two various sizes of oblate cylinders by same materials processing，It is upper cylinder (5) and lower cylinder (6) respectively，Their center is relative，The fixing groove that lower cylinder (6) installs fixture with testing machine is connected，The groove in the YouTXing cross section, surface of upper cylinder (5)，T-shaped groove (7) overlaps with a diameter of upper cylinder (5)，The bottom surface of T-shaped groove (7) and facade match with lower plane and the vertical joint face of jig main body (1) respectively，Upper cylinder (5) with have two corresponding fixing circular holes (8) on lower cylinder (6) respectively，Two fixing circular holes (8) lay respectively at the both sides of T-shaped groove (7)，The line of centres of two fixing circular holes (8) overlaps with a diameter of upper cylinder (5)，The center of circle of two fixing circular holes (8) and upper cylinder (5) is apart from equal，Article two, fixed mandril (3) matches with two fixing circular holes (8) respectively，Article two, during fixed mandril (3) is respectively inserted in two fixing circular holes (8), fixture carrier (2) is fastened.
- The fixture of clamping tinsel tensile sample the most according to claim 1, it is characterized in that: the sample holder groove (4) of the upper plane of described jig main body (1) is V-type groove, the degree of depth of V-type groove matches with the diameter of held sample, the bossed texture in surface of V-type groove.
- The fixture of clamping tinsel tensile sample the most according to claim 2, it is characterized in that: described fixing circular hole (8) is shoulder hole, the diameter on fixing circular hole (8) top is more than the diameter of bottom, and the diameter of fixed mandril (3) upper and lower diameter with fixing circular hole (8) upper and lower respectively matches.
- The fixture of clamping tinsel tensile sample the most according to claim 3, it is characterized in that: described fixed mandril (3) bottom is set with spring (9), having horizontal fixing hole (10) on the fixed mandril (3) of spring (9) lower section, the front end of spring steady pin (11) is inserted in fixing hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441764.9U CN205620228U (en) | 2016-05-16 | 2016-05-16 | Anchor clamps of centre gripping wire tensile sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441764.9U CN205620228U (en) | 2016-05-16 | 2016-05-16 | Anchor clamps of centre gripping wire tensile sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205620228U true CN205620228U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620441764.9U Expired - Fee Related CN205620228U (en) | 2016-05-16 | 2016-05-16 | Anchor clamps of centre gripping wire tensile sample |
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| CN (1) | CN205620228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063853A (en) * | 2017-06-16 | 2017-08-18 | 哈尔滨工业大学 | A kind of fixture for v-notch beam sample testing shear performance |
| CN110057638A (en) * | 2019-04-17 | 2019-07-26 | 河海大学 | A kind of cylindrical sample preparation facilities |
-
2016
- 2016-05-16 CN CN201620441764.9U patent/CN205620228U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063853A (en) * | 2017-06-16 | 2017-08-18 | 哈尔滨工业大学 | A kind of fixture for v-notch beam sample testing shear performance |
| CN107063853B (en) * | 2017-06-16 | 2023-08-11 | 哈尔滨工业大学 | Clamp for testing shear performance of V-shaped notch beam sample |
| CN110057638A (en) * | 2019-04-17 | 2019-07-26 | 河海大学 | A kind of cylindrical sample preparation facilities |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20200516 |