CN206192764U - Simple and easy zero passage fatigue test anchor clamps and system thereof - Google Patents
Simple and easy zero passage fatigue test anchor clamps and system thereof Download PDFInfo
- Publication number
- CN206192764U CN206192764U CN201621141608.7U CN201621141608U CN206192764U CN 206192764 U CN206192764 U CN 206192764U CN 201621141608 U CN201621141608 U CN 201621141608U CN 206192764 U CN206192764 U CN 206192764U
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- zero passage
- fatigue test
- positioning sleeve
- hole
- truncated cone
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Abstract
The utility model provides a simple and easy zero passage fatigue test anchor clamps and system thereof, including two anchor clamps bodies relative and that the structure is the same, the anchor clamps body is including position sleeve and retaining member, the one end of position sleeve is equipped with the locating hole, the locating hole is used for the await measuring round platform shape tip of sample of holding, the retaining member be used for with the locking of round platform shape tip is in in the locating hole of position sleeve, the other end of position sleeve links to each other with the experiment host computer. The anchor clamps body still includes the clamp ring, the clamp ring is open architecture, the clamp ring be used for with round platform shape tip compresses tightly in the locating hole, the retaining member passes through the clamp ring will the locking of round platform shape tip is in in the locating hole of position sleeve. These anchor clamps simple structure, easily zero passage fatigue test's basic demand can be satisfied in the installation, and can be applicable to the harsh working condition of various conditions.
Description
Technical field
The utility model is related to the fixture correlative technology field of fatigue test, more particularly to a kind of easy zero passage fatigue examination
Test fixture and its system.
Background technology
Continue to develop and need with what fatigue strength was studied, increasing field proceeds by fatigue strength test,
And zero passage fatigue is a kind of special shape of fatigue test, sample can in test be subject to alternation to stretch and two kinds of loads of compression.
This requires that testing machine and fixture will meet two point requirements in design:One is changed in Impact direction between all of drive disk assembly
Must not there be gap during change;Two are to ensure that whole transmission system has axiality higher on Impact direction.
Most fatigue fixtures are La-drawing experiment or the pressure-pressure experimental design of non-zero passage at present, are tried for zero passage fatigue
Test, generally use hydraulic pressure or air-actuated jaw.
For the experiment under the closed environment such as stress corrosion (cracking) test or other high temperature, high pressure, fixture need to together pacify with sample
In environmental cabinet, all parts of fixture will bear corrosion or high temperature, hyperbaric environment, hydraulic pressure or pneumatic as sample
Fixture is big due to its volume, and complex structure, inner body can not be used in this harsh environment, therefore can not send use
.
Be limited to 2 particular/special requirements of zero passage fatigue fixture, and its work severe rugged environment, the folder in the current field
Tool cannot meet this demand.
Utility model content
The purpose of this utility model is to provide a kind of easy zero passage fatigue test clamper and its system, existing to solve
Zero passage fatigue test in due to sample clamping requirement it is higher, fixture must assure that sample Tensile, compression when it is shaftless
To gap, and in whole process of the test, sample and loading axis will have axiality higher, and existing fixture cannot meet this
The problem of needs.
To achieve the above object, the utility model provides a kind of easy zero passage fatigue test clamper, including it is relative and
Two clamp bodies of structure identical, the clamp body includes positioning sleeve and locking member, and one end of the positioning sleeve is provided with location hole,
The location hole is used to house the truncated cone-shaped end of sample to be tested, and the locking member is used to for the truncated cone-shaped end to be locked at institute
State in the location hole of positioning sleeve, the other end of the positioning sleeve is connected with experiment main frame.
It is preferred that the clamp body also includes hold-down ring, the hold-down ring is opposite opened structure, and the hold-down ring is used for will
The truncated cone-shaped end is pressed in the location hole, and the locking member is locked the truncated cone-shaped end by the hold-down ring
In the location hole of the positioning sleeve.
It is preferred that the location hole is stepped hole, the side internal diameter of the accommodating truncated cone-shaped end of the stepped hole is less than the pressure
The external diameter of tight ring, the external diameter of the internal diameter less than the truncated cone-shaped end of the hold-down ring.
It is preferred that the other end of the positioning sleeve is provided with screwed hole and positioning counterbore, the positioning sleeve is connected by connector
The screwed hole and positioning counterbore are connect so as to be connected with the experiment main frame.
It is preferred that the locking member is locking nut, the locking nut is threadedly coupled with the positioning sleeve.
It is preferred that the side of the locking member is provided with the pin-and-hole for coordinating with hook-shaped spanner.
It is preferred that the positioning sleeve is cylinder, side is provided with the pin-and-hole for coordinating with hook-shaped spanner.
The utility model additionally provides a kind of easy zero passage fatigue test clamper system, including zero passage as described above is tired
Labor test fixture, also including sample to be tested, the sample to be tested is provided with what is be engaged with the location hole of two clamp bodies respectively
Clamped end, the clamped end is truncated cone-shaped end.
The utility model has the advantages that:
1st, clamp structure is simple, easy for installation and do not need other power set, registration, mechanical interlocking firmly may be used
Lean on, the requirement of zero passage fatigue test can be met.
2nd, the operating mode harsh for condition, such as in the high temperature and high pressure kettle of stress corrosion equipment, because fixture is all metal, can
By way of changing fixture material, to make it be applied to different media environments.
3rd, fixture of the present utility model is the fixture exclusively for zero passage Fatigue Test Design, its simple structure, it is easy to install,
The basic demand of zero passage fatigue test is disclosure satisfy that, and can be suitably used for the harsh working condition of various conditions.
Brief description of the drawings
The sectional structure chart of the zero passage fatigue test clamper that Fig. 1 is provided for the utility model.
Label declaration:1- positioning sleeves;11- positioning sleeve pin-and-holes;12- positioning spiro pits;13- positioning counterbores;14- location holes;
2- hold-down rings;3- locking members;31- locking member pin-and-holes;4- samples to be tested;41- truncated cone-shapeds end.
Specific embodiment
For the utility model is better described, hereby with a preferred embodiment, and accompanying drawing is coordinated to make detailed to the utility model
Illustrate, it is specific as follows:
As shown in figure 1, a kind of easy zero passage fatigue test clamper that the utility model is provided, including relative and structure phase
Two same clamp bodies, wherein, each clamp body includes positioning sleeve 1 and locking member 3, and one end of positioning sleeve 1 is provided with location hole 14,
Location hole 14 is used to house the truncated cone-shaped end 41 of sample to be tested 4, and locking member 3 is used to for truncated cone-shaped end 41 to be locked at positioning sleeve
In 1 location hole 14, the other end of positioning sleeve 1 is connected with experiment main frame.
Specifically, clamp body is additionally provided with hold-down ring 2, and hold-down ring 2 is used to for truncated cone-shaped end 41 to be pressed on location hole 14
Interior, be locked in the location hole of positioning sleeve 1 for truncated cone-shaped end 14 by hold-down ring 2 by locking member 3.
Location hole 14 in the present embodiment is set to stepped hole, the internal diameter of the side of the accommodating truncated cone-shaped end 41 of the stepped hole
Less than the external diameter of hold-down ring 2, the external diameter of the internal diameter less than truncated cone-shaped end 41 of hold-down ring 2.Namely fixed using the clamp body
During sample to be tested 4, the truncated cone-shaped end 41 of sample to be tested 4 is stuck in stepped hole by hold-down ring 2, then will by locking member 3
Hold-down ring 2 is locked in the location hole of positioning sleeve 1, so as to the end of sample to be tested 4 is locked on positioning sleeve 1, round platform form
When the end of sample to be tested 4 is in the location hole 14 for be installed to positioning sleeve 1, it is ensured that sample to be tested 4 and positioning sleeve 1 it is coaxial
Degree.Wherein, hold-down ring 2 is set to opposite opened structure, i.e., with two semi-rings worked in coordination, constituted after two semi-ring docking
Hold-down ring 2 is overall, and this structure is easy to that internal diameter is less than into sample to be tested 4 again after the end of sample to be tested 4 is placed in into location hole 14
End hold-down ring 2 be arranged on truncated cone-shaped end 41 inner side.
Refer again to shown in Fig. 1, the other end of one end that positioning sleeve 1 coordinates with sample to be tested 4 is provided with screwed hole 12 and determines
Position counterbore 13, positioning sleeve 13 by connector (such as screw) connection screw thread hole 12 and positioning counterbore 13 so as to experiment main frame phase
Connect, wherein, connector is connected with screwed hole 12, and the position portion of connector is engaged with positioning counterbore 13, can be conveniently
Be connected on experiment main frame and reach positioning requirements.
Locking member 3 in the present embodiment is locking nut, and locking nut inner side is provided with screw thread, accordingly, positioning sleeve pair
Outside should be held to be provided with screw thread, the locking nut is threadedly coupled with positioning sleeve 1.
Additionally, the present embodiment fixture provide locking member 3 circumferencial direction side be provided with for hook-shaped spanner
Several pin-and-holes for coordinating.And positioning sleeve is cylinder, and the side of the circumferencial direction of positioning sleeve also is provided with for being pulled with hook
Several pin-and-holes that hand coordinates.The setting of pin-and-hole facilitates related personnel to operate the fixture using hook-shaped spanner.
Present invention also offers a kind of easy zero passage fatigue test clamper system, including zero passage as described above fatigue examination
Fixture is tested, also including sample to be tested, the sample to be tested is provided be engaged with the location hole of two clamp bodies respectively clamped
End, wherein, it is truncated cone-shaped end to be clamped end, and the clamp body in order to fixture clamps the sample to be tested.
Round platform is processed at the sample to be tested two ends of the chucking appliance system, and the location hole of positioning sleeve coordinates, it is ensured that sample is filled
The axiality of folder.
Be tightly pressed against sample on positioning sleeve using the mode of locking nut by fixture, eliminates the gap of connection.
Additionally, each part of fixture all uses cylindrical shape, and in circumferencial direction expense hole, for turret head is designed,
Reduce the volume of fixture.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any those skilled in the art in the technical scope that the utility model is disclosed, the deformation done to the utility model
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (8)
1. a kind of easy zero passage fatigue test clamper, it is characterised in that including relative and two clamp bodies of structure identical, institute
Stating clamp body includes positioning sleeve and locking member, and one end of the positioning sleeve is provided with location hole, and the location hole is to be measured for housing
The truncated cone-shaped end of sample, the locking member is used to be locked at the truncated cone-shaped end in the location hole of the positioning sleeve, institute
The other end for stating positioning sleeve is connected with experiment main frame.
2. easy zero passage fatigue test clamper according to claim 1, it is characterised in that the clamp body also includes pressure
Tight ring, the hold-down ring is opposite opened structure, and the hold-down ring is used to be pressed on the truncated cone-shaped end in the location hole,
Be locked in the location hole of the positioning sleeve for the truncated cone-shaped end by the hold-down ring by the locking member.
3. easy zero passage fatigue test clamper according to claim 2, it is characterised in that the location hole is step
Hole, the external diameter of the side internal diameter less than the hold-down ring of the accommodating truncated cone-shaped end of the stepped hole, the internal diameter of the hold-down ring is less than
The external diameter of the truncated cone-shaped end.
4. easy zero passage fatigue test clamper according to claim 1, it is characterised in that the other end of the positioning sleeve
Be provided with screwed hole and positioning counterbore, the positioning sleeve by connector connect the screwed hole and positioning counterbore so as to the reality
Main frame is tested to be connected.
5. easy zero passage fatigue test clamper according to claim 1, it is characterised in that the locking member is locking screw
Mother, the locking nut is threadedly coupled with the positioning sleeve.
6. easy zero passage fatigue test clamper according to claim 1 or 5, it is characterised in that the side of the locking member
Face is provided with the pin-and-hole for coordinating with hook-shaped spanner.
7. easy zero passage fatigue test clamper according to claim 1, it is characterised in that the positioning sleeve is cylinder
Body, side is provided with the pin-and-hole for coordinating with hook-shaped spanner.
8. a kind of easy zero passage fatigue test clamper system, it is characterised in that including such as claim 1 to 7 any one institute
The zero passage fatigue test clamper stated, also including sample to be tested, the sample to be tested be provided with respectively with two positioning of clamp body
The clamped end that hole is engaged, the clamped end is truncated cone-shaped end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621141608.7U CN206192764U (en) | 2016-10-20 | 2016-10-20 | Simple and easy zero passage fatigue test anchor clamps and system thereof |
Applications Claiming Priority (1)
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CN201621141608.7U CN206192764U (en) | 2016-10-20 | 2016-10-20 | Simple and easy zero passage fatigue test anchor clamps and system thereof |
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CN206192764U true CN206192764U (en) | 2017-05-24 |
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CN201621141608.7U Active CN206192764U (en) | 2016-10-20 | 2016-10-20 | Simple and easy zero passage fatigue test anchor clamps and system thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109342182A (en) * | 2018-09-19 | 2019-02-15 | 中国航发北京航空材料研究院 | A kind of step sample fatigue test clamper |
CN113866007A (en) * | 2021-08-19 | 2021-12-31 | 中国原子能科学研究院 | Device suitable for high and low temperature radioactive plate-shaped fatigue test |
-
2016
- 2016-10-20 CN CN201621141608.7U patent/CN206192764U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109342182A (en) * | 2018-09-19 | 2019-02-15 | 中国航发北京航空材料研究院 | A kind of step sample fatigue test clamper |
CN113866007A (en) * | 2021-08-19 | 2021-12-31 | 中国原子能科学研究院 | Device suitable for high and low temperature radioactive plate-shaped fatigue test |
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