CN217765767U - Fatigue test tool with series function - Google Patents
Fatigue test tool with series function Download PDFInfo
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- CN217765767U CN217765767U CN202221997664.6U CN202221997664U CN217765767U CN 217765767 U CN217765767 U CN 217765767U CN 202221997664 U CN202221997664 U CN 202221997664U CN 217765767 U CN217765767 U CN 217765767U
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Abstract
The utility model relates to a fatigue test technical field especially relates to a fatigue test frock with series function, include: the fixture comprises a fixture assembly, a fixing device and a guide device; the clamp assembly comprises two outer clamping plates; the two outer clamping plates are oppositely arranged and used for extruding and fixing the two test sample strips; the fixing device adjusts the distance between the two outer clamping plates and extrudes and fixes the two test sample strips; the guide device plays a role in guiding the installation of the clamp assembly; and the inner sides of the middle parts of the two outer clamping plates are fixedly provided with a separation baffle plate, and the separation baffle plate is vertical to the outer clamping plates and is propped against one ends of the two test sample bars respectively. Through the utility model discloses, solved the current situation that test fixture anchor clamps can only carry out the test to single spline, tested two test splines simultaneously and improved efficiency of software testing.
Description
Technical Field
The utility model relates to a fatigue test technical field especially relates to a fatigue test frock with series function.
Background
Before the composite material is put into use, the fatigue strength of the composite material needs to be tested, and the composite material can be put into use when meeting requirements. At present, when the fatigue strength of a sample strip is tested, reinforcing pieces are generally needed to be respectively glued on two sides of two ends of the sample strip, so that the sample strip is clamped and the stress of the sample strip is ensured to be uniform in the testing process.
In the current detection, most of test tool fixtures for splines can only detect a single spline, and one test spline usually needs millions of repeated stress from the beginning to the last test data obtaining process, so that the test period is long, and the test efficiency is low.
The information disclosed in this background section is only for enhancement of understanding of the general background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fatigue test frock with series function can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a fatigue test frock with series function, includes: the fixture comprises a fixture assembly, a fixing device and a guide device;
the clamp assembly comprises two outer clamping plates;
the two outer clamping plates are oppositely arranged and used for extruding and fixing the two test sample bars;
the fixing device is used for adjusting the distance between the two outer clamping plates and extruding and fixing the two test sample strips;
the guide device plays a role in guiding the installation of the clamp assembly.
Furthermore, the inner sides of the middle parts of the two outer clamping plates are fixedly provided with a baffle plate, and the baffle plate is vertical to the outer clamping plates and is propped against one end of each of the two test sample bars.
Further, the clamp assembly further comprises an inner clamping plate, the inner clamping plate is arranged between the outer clamping plates and fixedly mounted on two sides of the test sample strips respectively, the test sample strips are extruded, and the extrusion direction is perpendicular to that of the outer clamping plates.
Further, the fixing device includes: locking holes, bolts and nuts;
the outer clamping plate is provided with a plurality of locking holes, and the locking holes are distributed on two sides of the test sample strip;
the bolt penetrates through the locking hole;
the nut is matched and connected with the bolt to extrude and fix the two outer clamping plates.
Further, the guide device comprises a guide hole and a guide post;
the guide hole is arranged on one of the outer clamping plates and sleeved with the guide post;
the guide post is arranged on the other outer clamping plate and is respectively arranged corresponding to the guide holes, and the guide post plays a role in guiding the outer clamping plates.
Further, the fixing device is arranged on the inner clamping plate and has the same structure as the fixing device of the outer clamping plate.
Further, the guide device is arranged on the inner clamping plate and has the same structure as the guide device of the outer clamping plate.
Through the technical scheme of the utility model, can realize following technological effect:
the current situation that the test tool fixture can only test a single spline is effectively solved, the test efficiency is improved by testing two test splines simultaneously, the uniqueness of the stress direction of the test splines in the test process is also ensured, torsion and deviation are avoided, and the test accuracy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an internal structure of a fatigue testing tool with a series function;
FIG. 2 is a schematic view of the installation of the clamp assembly;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is an overall structure diagram of a fatigue testing fixture with a series function;
reference numerals: 1. an outer splint; 11. a guide hole; 12. a locking hole; 2. an inner splint; 3. a baffle plate; 4. testing a sample strip; 5. a fixing device; 6. and a guide post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, a fatigue testing tool with a series function includes: a clamp assembly, a fixing device 5 and a guide device; the clamp assembly comprises two outer clamping plates 1; the two outer clamping plates 1 are oppositely arranged and used for extruding and fixing the two test sample bars 4; the fixing device 5 adjusts the distance between the two outer clamping plates 1 and extrudes and fixes the two test sample bars 4; the guide device plays a guiding role in the installation of the clamp assembly.
Through the technical scheme of the utility model, effectively solved the current situation that test fixture anchor clamps can only test single spline, tested two test splines 4 simultaneously and improved efficiency of software testing.
In the use, earlier fix two test spline 4's wherein one end respectively through the anchor clamps subassembly, specifically, through the extrusion of fixing device 5 to two outer splint 1, transmit the extrusion force for the one end of two test spline 4, it is fixed to form, and according to two outer splint 1's of two test spline 4's thickness adjustment distance, guider makes two outer splint 1 slide along the direction of direction when installation and dismantlement simultaneously, and can make two outer splint 1 along the projection of direction unchangeable all the time, to test spline 4's centre gripping when being favorable to the test, improve the steadiness.
As a preferable mode of the above embodiment, as shown in fig. 2 and 3, a baffle 3 is fixed to the inner side of the middle part of the two outer clamping plates 1, and the baffle 3 is perpendicular to the outer clamping plates 1 and abuts against one end of each of the two test bars 4. The baffle 3 is arranged so that two test sample strips 4 respectively have independent test spaces during testing, the two test sample strips are not interfered with each other and are not influenced, the baffle 3 is abutted to one end of the two test sample strips 4 at the same time, and certain effect is achieved on extrusion in the axial direction, so that test data are more accurate.
In order to better fix the test splines 4 to the jig assembly, in the above embodiment, the jig assembly further includes an inner clamping plate 2, the inner clamping plate 2 is disposed between the two outer clamping plates 1, and is respectively fixedly mounted on both sides of the two test splines 4 to press the two test splines 4, and the pressing direction is perpendicular to the pressing direction of the two outer clamping plates 1. Interior splint 2 sets up respectively in the both sides of test spline 4, plays spacing extruded effect on the test spline 4 width direction, and test spline 4 is fixed more firm when making the test, owing to when making test spline 4, can make uniform width usually, also can adjust the preparation thickness if needs and adjust required size, so can not have great change in the width, and then interior splint 2 fixes and can not influence the variety of test spline 4 on outer splint 1.
As shown in fig. 1 to 3, the fixing device 5 preferably includes: locking hole 12, bolt and nut; the outer clamping plate 1 is provided with a plurality of locking holes 12, and the locking holes 12 are distributed at two sides of the test sample strip 4; the bolt penetrates through the locking hole 12; the nut is matched and connected with the bolt to extrude and fix the two outer clamping plates 1. For the tool clamp of the embodiment, the quality of the pre-tightening function is particularly important for testing, the embodiment adopts a bolt and nut mode to adjust the distance between the two outer clamping plates 1 and extrude the pre-tightening, the distance between the two outer clamping plates 1 can be adjusted when the pre-tightening tool is installed, the test spline 4 is convenient to install, and the pre-tightening tool is locked to ensure the stability of the test.
On the basis of the above embodiments, as shown in fig. 1 to 4, the guiding device includes a guiding hole 11 and a guiding column 6; the guide hole 11 is arranged on one of the outer clamping plates 1 and sleeved with the guide post 6; the guide post 6 is arranged on the other outer clamping plate 1 and is respectively arranged corresponding to the guide holes 11, and the guide post plays a role in guiding the adjustment between the outer clamping plates 1. The arrangement of the guide post 6 and the guide hole 11 can enable the two outer clamping plates 1 to slide along the direction of the guide post 6 when being installed, and enable the two outer clamping plates 1 to always keep corresponding position relation when being installed and tested.
Similarly, the fixing device 5 is provided on the inner splint 2 in order to provide the same fixing to the inner splint 2, and has the same structure as the fixing device 5 of the outer splint 1. It is same, fixing device 5 installs and has same technological effect on interior splint 2, can make the rigidity of interior splint 2, it is spacing to the both sides of testing spline 4 to make interior splint 2, in order to adapt to the testing spline 4 of more width, can set up multirow locking hole 12 on exterior splint 1, can get into different locking hole 12 to the testing spline 4 of different width and realize adjusting, wherein to the fixed of interior splint 2, can also set up same locking hole 12 on exterior splint 1, pass as the bolt on the coaxial hole confession interior splint 2 with locking hole 12 on interior splint 2, reach the reciprocal anchorage between exterior splint 1 and the interior splint 2.
As a preference of the above embodiment, the guide means is provided on the inner clamping plate 2, and has the same structure as the guide means of the outer clamping plate 1. Same guider is applicable to interior splint 2 equally, guaranteed test spline 4 at width direction's spacing firm, same with the aforesaid fixed mode to interior splint 2, also can set up same guiding hole 11 and guide post 6 on outer splint 1, pass guiding hole 11 on the interior splint 2, guiding hole 11 on the interior splint 2 and the coaxial setting of guiding hole 11 on the outer splint 1, this embodiment only need to set up guide post 6 on outer splint 1 can, and need not set up guide post 6 on interior splint 2, also can realize the guide effect to interior splint 2.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a fatigue test frock with series function which characterized in that includes: the fixture comprises a fixture assembly, a fixing device and a guide device;
the clamp assembly comprises two outer clamping plates;
the two outer clamping plates are oppositely arranged and used for extruding and fixing the two test sample strips;
the fixing device is used for adjusting the distance between the two outer clamping plates and extruding and fixing the two test sample strips;
the guide device plays a role in guiding the installation of the clamp assembly.
2. The fatigue test tool with the series function according to claim 1, wherein a baffle is fixed on the inner side of the middle part of the two outer clamping plates, and the baffle is perpendicular to the outer clamping plates and abuts against one ends of the two test splines respectively.
3. The fatigue test fixture with the series function according to claim 2, wherein the fixture assembly further comprises an inner clamping plate, the inner clamping plate is arranged between the two outer clamping plates and fixedly mounted on two sides of the two test splines respectively, the two test splines are pressed, and the pressing direction is perpendicular to the pressing direction of the two outer clamping plates.
4. The fatigue test fixture with series function according to claim 3, wherein the fixing device comprises: locking holes, bolts and nuts;
the outer clamping plate is provided with a plurality of locking holes, and the locking holes are distributed on two sides of the test sample strip;
the bolt penetrates through the locking hole;
the nut is matched and connected with the bolt to extrude and fix the two outer clamping plates.
5. The fatigue testing tool with the series function according to claim 4, wherein the guide device comprises a guide hole and a guide column;
the guide hole is arranged on one of the outer clamping plates and sleeved with the guide post;
the guide post is arranged on the other outer clamping plate and is respectively arranged corresponding to the guide holes, and the guide post plays a role in guiding the outer clamping plates.
6. The fatigue testing tool with the series function according to claim 5, wherein the fixing device is arranged on the inner clamping plate and has the same structure as the fixing device of the outer clamping plate.
7. The fatigue test tool with series function according to claim 5, wherein the guide device is arranged on the inner clamping plate and has the same structure as the guide device of the outer clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221997664.6U CN217765767U (en) | 2022-07-29 | 2022-07-29 | Fatigue test tool with series function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221997664.6U CN217765767U (en) | 2022-07-29 | 2022-07-29 | Fatigue test tool with series function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217765767U true CN217765767U (en) | 2022-11-08 |
Family
ID=83878379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221997664.6U Active CN217765767U (en) | 2022-07-29 | 2022-07-29 | Fatigue test tool with series function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217765767U (en) |
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2022
- 2022-07-29 CN CN202221997664.6U patent/CN217765767U/en active Active
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