CN213456405U - Positioning tool for measuring elongation after fracture of barbell-shaped tensile sample - Google Patents
Positioning tool for measuring elongation after fracture of barbell-shaped tensile sample Download PDFInfo
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- CN213456405U CN213456405U CN202022471623.0U CN202022471623U CN213456405U CN 213456405 U CN213456405 U CN 213456405U CN 202022471623 U CN202022471623 U CN 202022471623U CN 213456405 U CN213456405 U CN 213456405U
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Abstract
The utility model discloses a tooling for measuring and positioning elongation after fracture of barbell-shaped tensile sample, which comprises a base, a fixed positioning mechanism and a movable positioning mechanism, wherein the fixed positioning mechanism and the movable positioning mechanism are arranged on the base; the fixed positioning mechanism is fixedly connected with the base, and the movable positioning mechanism is movably connected with the base; the top of the base is provided with a groove for accommodating the fixed positioning mechanism and the movable positioning mechanism, the bottom of the groove below the movable positioning mechanism is provided with a tail fastener moving groove, and the top surfaces of the base at the two sides of the movable positioning mechanism are provided with head fastener moving grooves. The utility model provides a tooling for measuring and positioning elongation after fracture of barbell-shaped tensile sample, which is suitable for being matched with an image measuring instrument carrying platform, has simple and convenient operation and good matching with the image measuring instrument, ensures the measuring accuracy and improves the testing efficiency; the tool adopts the design of clamping the broken sample, can be suitable for the flaky samples in different broken states, and expands the application range of the tool.
Description
Technical Field
The utility model belongs to the auxiliary detection frock field, concretely relates to elongation measurement location frock after barbell form tensile sample breaks.
Background
The elongation after fracture of traditional barbell-shaped sample usually uses optical microscope collocation plasticine to assist and measures, and along with optical microscope is replaced by image measuring instrument, original plasticine causes that the sample concatenation of fracture is not parallel to the operation panel and plasticine is low to make image measuring instrument measure and appear unfocusing problem with the locate mode of sample soft contact, and the method of adopting the disconnected back sample of plasticine concatenation takes time, the accuracy, therefore the method of the disconnected back sample of original plasticine concatenation is not being fit for supplementary optical microscope and is measuring the use, consequently need to design a location frock that is more applicable to collocation image measuring instrument objective platform and uses urgently, and guarantee that location work can satisfy following requirement:
firstly, the positioning tool has the function of axially splicing the broken sample, so that the positioning tool is required to clamp the broken sample conveniently and well work in cooperation with an image measuring instrument; secondly, the length of the test sample is changed after the barbell-shaped test sample is stretched, so that the application range of the positioning tool is required to meet the requirement of the length change of the barbell-shaped test sample after being stretched; and thirdly, the positioning tool is axially centered, and after the sample is broken, the sample can be clamped by the positioning tool, pushed tightly in a single direction and spliced completely, so that the stability of the tool is high. Meanwhile, the tool is required to be used, so that the operation is simple and convenient, the testing time is reduced, and the testing efficiency is improved as much as possible.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the shortcoming that exists in the method of the disconnected back sample of plasticine concatenation and propose, its purpose provides a barbell-shaped tensile sample elongation after breaking measures location frock.
The utility model discloses a realize through following technical scheme:
a barbell-shaped tensile sample elongation after fracture measurement positioning tool comprises a base, and a fixed positioning mechanism and a movable positioning mechanism which are arranged on the base; the fixed positioning mechanism is fixedly connected with the base, and the movable positioning mechanism is movably connected with the base; the top of the base is provided with a groove for accommodating the fixed positioning mechanism and the movable positioning mechanism, the bottom of the groove below the movable positioning mechanism is provided with a tail fastener moving groove, and the top surfaces of the base at the two sides of the movable positioning mechanism are provided with head fastener moving grooves.
In the above technical solution, the fixed positioning mechanism and the movable positioning mechanism are arranged in a mirror image.
In the above technical solution, the fixing and positioning mechanism is a fixing spring clip; the movable positioning mechanism is a movable spring clamp.
In the above technical solution, the fixed spring clamp and the movable spring clamp are both composed of two clamping arms hinged by a spring.
In the above technical solution, an included angle between two clamping arms of the fixed spring clamp or the movable spring clamp is 30 °.
In the technical scheme, any one clamping arm of the fixed spring clamp is fixedly welded with the base.
In the above technical solution, any one of the clamping arms of the movable spring clamp is connected with the base through two head fasteners arranged at the head of the clamping arm and a tail fastener arranged at the tail of the clamping arm.
In the technical scheme, the tail end of the clamping arm of the movable spring clamp forms an annular structure which is convenient to be connected with a tail fastener.
In the above technical solution, the head fastener and the tail fastener are any one of a screw, a bolt, or a hexagon nut.
In the technical scheme, the fixing spring clamp and the movable spring clamp are provided with fixing strips at the head part of the clamping arm at one side contacted with the base.
The utility model has the advantages that:
the utility model provides a tooling for measuring and positioning elongation after fracture of barbell-shaped tensile sample, which is suitable for being matched with an image measuring instrument carrying platform, and has the advantages of simple and convenient operation, good matching of the image measuring instrument, effectively improved testing efficiency and the like; the tool adopts the design of clamping the broken sample, and can be suitable for sheet samples in different broken states; the image measuring instrument is matched for measurement, so that the measuring accuracy is ensured, and the testing efficiency is improved. The positioning tool replaces the original plasticine to fix the broken sample, and solves the problem that the broken sample is not parallel to the splicing of the operation table due to the soft contact of the plasticine and the sample, and the measurement of the image measuring instrument is unfocused due to too low plasticine. The test operability can be ensured by reasonably designing the height of the positioning tool and the size of each important part, and the problems of time consumption and poor accuracy of the original test method are avoided. Through the utility model discloses a test barbell form tensile sample in batches and break the work demand of back percentage elongation, frock stability is strong, and the test result uniformity is good, is applicable to the test demand of image measuring apparatu at present stage completely, is favorable to simplifying test method, reduces test error.
Drawings
Fig. 1 is a schematic structural view of a positioning tool for measuring elongation after fracture of a barbell-shaped tensile sample of the present invention;
FIG. 2 is the utility model discloses a barbell-shaped tensile sample breakage rear elongation rate measurement positioning tool
Schematic structural diagram of (a);
fig. 3 is a schematic structural view of a barbell-shaped tensile sample to which the present invention is applied.
Wherein:
1 base 2 groove
3 fastener moving groove 4 fastener moving groove
5 fixed spring clamp 6 Movable spring clamp
7 head fastener 8 tail fastener
9 fixing bar 10 barbell-shaped tensile specimen.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description is further provided with the drawings of the specification and by means of the specific implementation manner, and the present invention relates to a technical solution of a positioning tool for measuring elongation after fracture of barbell-shaped tensile sample.
The utility model discloses the application object is the deformation sample after barbell form tensile sample 10 tensile fracture, and barbell form tensile sample structure before the fracture is shown in figure 3.
Example 1
As shown in fig. 1-2, a positioning tool for measuring elongation after fracture of barbell-shaped tensile sample comprises a base 1, and a fixed positioning mechanism and a movable positioning mechanism which are arranged on the base 1; the fixed positioning mechanism is fixedly connected with the base 1, and the movable positioning mechanism is movably connected with the base 1; the top of the base 1 is provided with a groove 2 for accommodating the fixed positioning mechanism and the movable positioning mechanism, the bottom of the groove 2 below the movable positioning mechanism is provided with a tail fastener moving groove 3, and the top surfaces of the base 1 at the two sides of the movable positioning mechanism are provided with head fastener moving grooves 4.
The fixed positioning mechanism and the movable positioning mechanism are arranged in a mirror image mode.
The fixed positioning mechanism is a fixed spring clamp 5; the movable positioning mechanism is a movable spring clamp 6.
The fixed spring clamp 5 and the movable spring clamp 6 are composed of two clamping arms hinged through springs.
The angle between the two clamping arms of the fixed spring clamp 5 or the movable spring clamp 6 is 30 °.
And any clamping arm of the fixed spring clamp 5 is fixedly welded with the base 1.
Any one clamping arm of the movable spring clamp 6 is connected with the base 1 through two head fasteners 7 arranged at the head of the clamping arm and a tail fastener 8 arranged at the tail of the clamping arm.
The head fastener 7 and the tail fastener 8 move in the head fastener moving groove 4 and the tail fastener moving groove 3, respectively.
The clamping arm tail end of the movable spring clamp 6 forms an annular structure which is convenient to be connected with a tail fastening piece 8.
The head fastener 7 and the tail fastener 8 are any one of screws, bolts or hexagon nuts.
The fixed spring clamp 5 and the movable spring clamp 6 are provided with fixing strips 9 at the head of the clamping arm at one side contacted with the base 1. The fixing strip 9 at the movable spring clamp 6 is fixed with the base 1 through the head fastener 7. The fixing strip 9 at the fixing spring clamp 5 is fixed with the base 1 by welding.
The distance between the movable positioning mechanism and the fixed positioning mechanism is adjustable due to the arrangement of the movable positioning mechanism, and the length of the test sample can be effectively changed after the barbell-shaped test sample is stretched. The positioning tool is axially centered, and the sample can be clamped by the positioning clamp after being broken, pushed tightly in a single direction and spliced completely. The tool is simple and convenient to operate, and testing time is shortened, so that the purpose of improving testing efficiency is achieved.
Utilize the utility model discloses carry out barbell form sample elongation measurement's working process after absolutely:
placing a barbell-shaped tensile sample breakage elongation rate measurement positioning tool at the lower end of an emission port of an image measuring instrument and ensuring that the positioning tool is horizontally vertical to an operation end of a carrying platform of the measuring instrument;
(ii) the barbell-shaped tensile sample shown in fig. 3 is generally broken into two parts after the post-breakage elongation test, wherein one part is fixed with the fixed positioning mechanism, and the other part is prepared for splicing subsequent broken samples;
(iii) after the fracture surfaces of the two parts of fractured samples are adjusted to correspond, clamping the non-fracture end of the other part of fractured samples in the movable positioning mechanism, loosening the fastening mechanism, moving the movable positioning mechanism to a proper position, locking the fastening mechanism, and splicing the two parts of fractured samples to be complete;
(iv) confirming that the fixed positioning mechanism and the movable positioning mechanism in the figure 2 fix the broken sample well to be completely spliced, and then measuring the elongation after the breaking;
and (v) placing the spliced barbell-shaped fractured sample at the lower end of the image measuring instrument, so that the elongation of the barbell-shaped fractured sample can be directly measured.
The utility model designs an elongation measuring and positioning tool suitable for barbell-shaped tensile sample after fracture, which has the advantages of simple operation, good measurement by matching with an image measuring instrument, improved testing efficiency and the like; the utility model adopts the design of clamping the broken sample, and can be suitable for the flaky samples in different broken states; image measuring apparatu collocation the utility model discloses measure, not only guarantee measuring accuracy, improved efficiency of software testing more.
The utility model discloses location frock has replaced former plasticine and has fixed back sample absolutely, has solved because plasticine and sample soft contact cause disconnected back sample concatenation non parallel operation panel and plasticine low make the image measuring instrument measure the unfocused problem that appears excessively. The test operability can be ensured by reasonably designing the height of the positioning tool and the size of each important part, and the problems of time consumption and poor accuracy of the original test method are avoided.
Through the utility model discloses a test barbell form tensile sample in batches and break the work demand of back percentage elongation, frock stability is strong, and the test result uniformity is good, is applicable to the test demand of image measuring apparatu at present stage completely, is favorable to simplifying test method, reduces test error.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. The utility model provides a barbell form tensile sample percentage elongation after breaking measures location frock which characterized in that: comprises a base (1), and a fixed positioning mechanism and a movable positioning mechanism which are arranged on the base (1); the fixed positioning mechanism is fixedly connected with the base (1), and the movable positioning mechanism is movably connected with the base (1); the top of the base (1) is provided with a groove (2) for accommodating the fixed positioning mechanism and the movable positioning mechanism, the groove bottom of the groove (2) below the movable positioning mechanism is provided with a tail fastener moving groove (3), and the top surfaces of the base (1) at the two sides of the movable positioning mechanism are provided with head fastener moving grooves (4).
2. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 1, characterized in that: the fixed positioning mechanism and the movable positioning mechanism are arranged in a mirror image mode.
3. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 1, characterized in that: the fixed positioning mechanism is a fixed spring clamp (5); the movable positioning mechanism is a movable spring clamp (6).
4. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 3, characterized in that: the fixed spring clamp (5) and the movable spring clamp (6) are composed of two clamping arms hinged through springs.
5. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 3, characterized in that: the included angle between the two clamping arms of the fixed spring clamp (5) or the movable spring clamp (6) is 30 degrees.
6. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 4, characterized in that: and any one clamping arm of the fixed spring clamp (5) is welded and fixed with the base (1).
7. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 4, characterized in that: any one clamping arm of the movable spring clamp (6) is connected with the base (1) through two head fasteners (7) arranged at the head of the clamping arm and a tail fastener (8) arranged at the tail of the clamping arm.
8. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 7, is characterized in that: the tail end of the clamping arm of the movable spring clamp (6) forms an annular structure which is convenient to be connected with a tail fastener (8).
9. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 7, is characterized in that: the head fastener (7) and the tail fastener (8) are any one of screws, bolts or hexagon nuts.
10. The tooling for measuring and positioning elongation percentage after fracture of barbell-shaped tensile sample according to claim 3, characterized in that: and the fixed spring clamp (5) and the movable spring clamp (6) are provided with fixed strips (9) at the head part of the clamping arm at one side contacted with the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022471623.0U CN213456405U (en) | 2020-10-30 | 2020-10-30 | Positioning tool for measuring elongation after fracture of barbell-shaped tensile sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022471623.0U CN213456405U (en) | 2020-10-30 | 2020-10-30 | Positioning tool for measuring elongation after fracture of barbell-shaped tensile sample |
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| Publication Number | Publication Date |
|---|---|
| CN213456405U true CN213456405U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022471623.0U Active CN213456405U (en) | 2020-10-30 | 2020-10-30 | Positioning tool for measuring elongation after fracture of barbell-shaped tensile sample |
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| CN (1) | CN213456405U (en) |
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