CN206531724U - A kind of titanium alloy auricle fatigue test clamper - Google Patents
A kind of titanium alloy auricle fatigue test clamper Download PDFInfo
- Publication number
- CN206531724U CN206531724U CN201720137284.8U CN201720137284U CN206531724U CN 206531724 U CN206531724 U CN 206531724U CN 201720137284 U CN201720137284 U CN 201720137284U CN 206531724 U CN206531724 U CN 206531724U
- Authority
- CN
- China
- Prior art keywords
- auricle
- clamping head
- linkage section
- titanium alloy
- hangers
- 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
Links
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 36
- 238000009661 fatigue test Methods 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 230000007704 transition Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of titanium alloy auricle fatigue test clamper, by being constituted for the linkage section being connected with fatigue tester, changeover portion and for the clamping head for being connected titanium alloy auricle test specimen.Clamping head is integrated with changeover portion, linkage section；Linkage section is vertical cuboid, and the axis direction of four sides of linkage section along main body smoothly transits to the top of clamping head through changeover portion；Clamping head is symmetric double shackle structure, and middle part is provided with U-type groove, and the thickness of two hangers is equal with the width of U-type groove, and the bottom of two hangers is to be machined with coaxial circular aperture on semicircular arc, two hangers, and connecting bolt is installed during for inserting auricle test specimen；The center of circle of circular hole is overlapped with the center of circle of hanger bottom semi arch on two hangers, and the circular hole of bolt through clamping head hanger is coordinated with auricle test specimen by nut to be fastened.The convenient experiment machine grip holder of titanium alloy auricle fatigue test clamper is installed；The service life of fixture is ensure that, can be reused.
Description
Technical field
The utility model is related to the specimen holder device for fatigue test, specifically, is related to a kind of titanium alloy auricle
Fatigue test clamper.
Background technology
Metal material is when by alternate stress or repetitive cycling stress, after certain cycle-index, often should in work
Power is broken suddenly in the case of being less than yield strength, and this phenomenon is referred to as fatigue.The fatigue behaviour of structure and the fatigue of material are special
Property can not be equal.Relatively accurately to estimate the fatigue life of structure, it is necessary to carry out the fatigue life test of structure.But
The fatigue test of real structure is very time-consuming and expensive.It is usually the CONSTRUCTED SPECIFICATION with structural fatigue dangerous position in engineering
The fatigue test of simulating piece, to determine the fatigue life of structure.Therefore, fatigue test generally comprises code test part fatigue of materials
Experiment and structural simulation part fatigue test.
General fatigue tester includes main frame and control system two parts.Main frame include load maintainer, force measuring machine and
Workbench and test specimen clamping mechanism.Wherein, test specimen clamping mechanism includes upper grip and lower chuck, and two chucks are used for test specimen and examination
The clamping for testing machine is fixed.
A kind of U-shaped folder is proposed in patent CN201520152011.1 " a kind of grip device for shackle fatigue test "
Tool, the U-shaped fixture is made up of the connection end and openend for being connected with fatigue tester.Wherein connection end and openend it
Between the non-design transition fillet in junction, abrupt change of cross-section phenomenon is serious, and the region of this in experiment is present after stress concentration, test of many times
The region can produce fatigue crack.
The connecting clip included in patent of invention CN200910028992.8 " a kind of special fatigue test clamper for bending additional plate "；
The jockey that is included in patent CN201610395174.1 " one kind exempt from disturb resistance to deformation resonant mode fatigue test clamper " and
The clamp body included in patent CN201120457068.4 " a kind of R5 grades of mooring cable fatigue test clamper ", by for fatigue
Connection end and openend composition that testing machine is connected.Set with the junction in upper grip, fixture between connection end and openend
In respect of knuckle, problem of stress concentration is slow down, but still suffers from abrupt change of cross-section phenomenon, fails efficiently to avoid stress collection
In.
Included in patent CN201320262017.5 " a kind of small sample from centering four-point bending fatigue test clamper "
The upper and lower end junction of support base is designed as coupled from above section of rounding off to lower section base, efficiently avoid support base
Stress mutation problem.But the screw of base position is perpendicular to base plane below support base, it is impossible to be used in titanium in fatigue test
The fixation of alloy auricle test specimen and fixture.
Utility model content
In order to avoid the deficiency that prior art is present, the stress concentration of junction between fixture connection end and openend is overcome
Problem, the utility model proposes a kind of titanium alloy auricle fatigue test clamper.
The utility model solves the technical scheme that its technical problem used:Including linkage section, changeover portion, clamping head,
It is characterized in that the clamping head is integrated with changeover portion, linkage section, linkage section is vertical cuboid, four sides of linkage section
Smoothly transitted along the axis direction of main body through changeover portion to the top of clamping head；The clamping head is symmetric double shackle structure, in
Between position be provided with U-type groove, the thickness of both sides hanger is equal with the width of U-type groove, and two hangers bottom be semicircular arc, two hang
Coaxial circular aperture is provided with ear is used to install the center of circle of circular hole and hanger bottom half on connecting bolt, two hangers when inserting auricle test specimen
The center of circle of circular arc coincides.
The clamping head uses 30CrMnSiA alloy steel materials with changeover portion, linkage section.
Beneficial effect
The utility model titanium alloy auricle fatigue test clamper, involved titanium alloy auricle test specimen is the contracting of airplane parts
Than size test specimen, its planform has particularity, thus cause titanium alloy auricle test specimen can not directly with fatigue tester
Chuck is connected, and needs that titanium alloy auricle test specimen is fixed on to the chuck of fatigue tester by extra fixture in process of the test
Place.
The utility model titanium alloy auricle fatigue test clamper, by the linkage section for being connected with fatigue tester, mistake
Cross section and the specimen holder head for connecting titanium alloy auricle test specimen, and connecting bolt, nut composition.By titanium alloy auricle test specimen
Be fixed on by test fixture on fatigue tester, solve titanium alloy auricle test specimen can not directly with fatigue test machine grip holder phase
Even the problem of.Wherein, the linkage section of clamp body is flat segments, is easy to test machine grip holder clamping；The linkage section of clamp body is through transition
Section to the top of specimen holder head uses smooth arc transition, in the absence of abrupt change of cross-section phenomenon, efficiently avoid fixture master
Body, so as to ensure that the service life of jig main body, can be reused in the problem of stress concentration in the region.
Brief description of the drawings
Further is made to a kind of titanium alloy auricle fatigue test clamper of the utility model with embodiment below in conjunction with the accompanying drawings
Detailed description.
Fig. 1 is the utility model titanium alloy auricle fatigue test clamper schematic diagram.
Fig. 2 is the utility model titanium alloy auricle fatigue test clamper side view.
Fig. 3 is the utility model titanium alloy auricle fatigue test clamper axonometric drawing.
Fig. 4 is clamping head of the present utility model and changeover portion, linkage section integrative-structure schematic diagram.
Fig. 5 is titanium alloy auricle test specimen schematic diagram.
Fig. 6 is that the utility model titanium alloy auricle fatigue test clamper clamping auricle test specimen is linked and packed schematic diagram.
In figure:
1. the auricle test specimen 5. of 2. changeover portion of linkage section, 3. clamping head 4. tests machine grip holder
Embodiment
The present embodiment is a kind of titanium alloy auricle fatigue test clamper.
Refering to Fig. 1~Fig. 4, the present embodiment titanium alloy auricle fatigue test clamper, by for being connected with fatigue tester
Linkage section 1, changeover portion 2 and constituted for the specimen holder first 3 for connecting titanium alloy auricle test specimen；And clamping head 3 and changeover portion
2nd, linkage section 1 is structure as a whole.Wherein, linkage section 1 is vertical cuboid, a length of 43mm of linkage section 1, a width of 22mm, a height of
50mm, is easy to the clamping of fatigue test machine grip holder so that the fixation between jig main body and testing machine is more stablized.Linkage section 1
Axis direction of four sides along jig main body smoothly transitted through changeover portion 2 to the top of clamping head 3；Clamping head 3 is symmetrical
Double shackle structure, middle part is provided with U-type groove, and the thickness of both sides hanger is equal with the width of U-type groove, and the bottom of two hangers is
Semicircular arc；The a length of 56mm of clamping head 3, a width of 48mm, a height of 73mm, the wherein a length of 56mm of U-type groove, a width of 16mm, depth are
58mm, for inserting titanium alloy auricle test specimen 4；The arc transition that radius is 5mm, both sides hanger are machined with the drift angle of U-type groove
Thickness be that 16mm, length are 56mm, hanger bottom arc radius is the center of circle of circular hole and hanger bottom half on 28mm, two hangers
The center of circle of circular arc is overlapped；The radius of circular hole is 8mm on hanger, for installing connecting bolt；The linkage section 1 that is connected with testing machine with
Transition arc radius between the corresponding long side of first 3 liang of specimen holder is that the transition arc radius between 103mm, two corresponding short sides is
196mm.Because linkage section 1 is to smooth arc transition is used between first 3 top of specimen holder, in the absence of abrupt change of cross-section phenomenon, from
And efficiently avoid problem of stress concentration of the jig main body in the region, it is ensured that and the service life of jig main body, can
Reuse.
In the present embodiment, clamping head 3 is processed with changeover portion 2, linkage section 1 using 30CrMnSiA alloy steel materials.
As shown in figure 5, the two ends of titanium alloy auricle test specimen 4 are provided with connecting hole.During experiment, titanium alloy auricle test specimen 4 is inserted
Enter in the U-type groove on specimen holder first 3, circular hole, the titanium alloy ear on first 3 side of specimen holder are sequentially passed through by connecting bolt
Circular hole on piece test specimen connecting hole and first 3 opposite side of specimen holder, and fastened with nut.
Operating process:
(1) by the experiment machine grip holder on fatigue tester by the clamping of linkage section 1 of jig main body, make jig main body with it is tired
Labor experiment machine grip holder is mutually fastened.
(2) titanium alloy auricle test specimen is inserted in the U-type groove of specimen holder first 3, makes the upper connection of titanium alloy auricle test specimen
Hole is directed at the first 3 liang of mother rib lateral rotundums of specimen holder.
(3) connecting bolt is sequentially passed through to circular hole, the upper connecting hole of titanium alloy auricle test specimen on first 3 side of specimen holder
With the circular hole on first 3 opposite side of specimen holder, and by nut coordinate fastened.
(4) another jig main body is vertically lifted, makes the lower section of the titanium alloy auricle test specimen 4 insertion specimen holder hung
In first 3 U-type groove, the first 3 liang of mother rib lateral rotundums of specimen holder are directed to the lower connecting hole of titanium alloy auricle test specimen 4.
(5) it is identical with the 3rd step operation, the jig main body of lower section is connected with titanium alloy auricle test specimen 4 using connecting bolt
Connect, and fastening is coordinated by nut and bolt.
(6) clip position below adjustment fatigue tester, with chuck below fatigue tester by the company of lower section jig main body
Connect section 1 to clamp, lower section jig main body is mutually fixed with testing machine.
Claims (2)
1. a kind of titanium alloy auricle fatigue test clamper, including linkage section, changeover portion, clamping head, it is characterised in that:The clamping
Head is integrated with changeover portion, linkage section, and linkage section is vertical cuboid, and the axis direction of four sides of linkage section along main body is passed through
Changeover portion smoothly transits to the top of clamping head；The clamping head is symmetric double shackle structure, and middle part is provided with U-type groove, two
The thickness of side hanger is equal with the width of U-type groove, and the bottom of two hangers is that coaxial circular aperture use is provided with semicircular arc, two hangers
The center of circle of circular hole and the center of circle of hanger bottom semi arch on connecting bolt, two hangers are installed when auricle test specimen is inserted to coincide.
2. titanium alloy auricle fatigue test clamper according to claim 1, it is characterised in that:The clamping head and transition
Section, linkage section use 30CrMnSiA alloy steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720137284.8U CN206531724U (en) | 2017-02-16 | 2017-02-16 | A kind of titanium alloy auricle fatigue test clamper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720137284.8U CN206531724U (en) | 2017-02-16 | 2017-02-16 | A kind of titanium alloy auricle fatigue test clamper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206531724U true CN206531724U (en) | 2017-09-29 |
Family
ID=59919870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720137284.8U Expired - Fee Related CN206531724U (en) | 2017-02-16 | 2017-02-16 | A kind of titanium alloy auricle fatigue test clamper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206531724U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362557A (en) * | 2018-05-22 | 2018-08-03 | 上海外高桥造船有限公司 | Tensile test apparatus |
| CN109100216A (en) * | 2018-09-17 | 2018-12-28 | 江西洪都航空工业集团有限责任公司 | A kind of missile block hanging load tool structure |
| CN109975020A (en) * | 2019-05-07 | 2019-07-05 | 哈尔滨工程大学 | A kind of diesel engine connecting bar fatigue experiment fixture |
| CN113959634A (en) * | 2021-10-28 | 2022-01-21 | 山西省检验检测中心(山西省标准计量技术研究院) | Multipurpose check tool suitable for wide-range force standard machine |
| CN117686341A (en) * | 2024-02-04 | 2024-03-12 | 洛阳双瑞精铸钛业有限公司 | Intensity detection tool and detection method for titanium alloy universal joint for deep sea communication |
-
2017
- 2017-02-16 CN CN201720137284.8U patent/CN206531724U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362557A (en) * | 2018-05-22 | 2018-08-03 | 上海外高桥造船有限公司 | Tensile test apparatus |
| CN109100216A (en) * | 2018-09-17 | 2018-12-28 | 江西洪都航空工业集团有限责任公司 | A kind of missile block hanging load tool structure |
| CN109100216B (en) * | 2018-09-17 | 2021-05-18 | 江西洪都航空工业集团有限责任公司 | Guided missile slider hanging and loading tool structure |
| CN109975020A (en) * | 2019-05-07 | 2019-07-05 | 哈尔滨工程大学 | A kind of diesel engine connecting bar fatigue experiment fixture |
| CN113959634A (en) * | 2021-10-28 | 2022-01-21 | 山西省检验检测中心(山西省标准计量技术研究院) | Multipurpose check tool suitable for wide-range force standard machine |
| CN113959634B (en) * | 2021-10-28 | 2024-03-15 | 山西省检验检测中心(山西省标准计量技术研究院) | Multipurpose gauge suitable for wide-range force standard machine |
| CN117686341A (en) * | 2024-02-04 | 2024-03-12 | 洛阳双瑞精铸钛业有限公司 | Intensity detection tool and detection method for titanium alloy universal joint for deep sea communication |
| CN117686341B (en) * | 2024-02-04 | 2024-05-10 | 洛阳双瑞精铸钛业有限公司 | Intensity detection tool and detection method for titanium alloy universal joint for deep sea communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |