CN213364395U

CN213364395U - Scale distance marking device for round tensile sample

Info

Publication number: CN213364395U
Application number: CN202021632633.1U
Authority: CN
Inventors: 董凤奎; 王银国; 丘先堂; 何健楠; 廖美华; 刘年富; 邓湘斌; 钟凡; 何永杰; 余珺凤
Original assignee: Baosteel Special Steel Shaoguan Co Ltd
Current assignee: Baowu JFE Special Steel Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-06-04
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to a gauge length marking device of a round tensile sample, which comprises a fixed table; an accommodating cavity is formed in the fixed table; the accommodating cavity is a long accommodating cavity, and the inner end surfaces of two ends of the accommodating cavity are vertical end surfaces; the scale distance marking device of the round tensile sample further comprises a marking piece; the cross section of the marking piece is arc-shaped; the marking piece is provided with a marking hole; the device can mark the original gauge length of the round tensile sample rapidly, and is convenient and accurate to use.

Description

Scale distance marking device for round tensile sample

Technical Field

The utility model relates to an accurate marking tool, more specifically say, it relates to a circular tensile sample's gauge length mark device.

Background

Tensile test refers to a test method for measuring material properties under an axial tensile load. The data obtained by the tensile test can be used for determining the tensile property indexes of the material, such as elastic modulus, elongation, reduction of area, tensile strength, yield strength and the like. To measure the elongation after break, the original gauge length is first marked on the test specimen. Common original gauge length marking methods include a manual marking method and a mechanical marking method, but the manual marking method is slow in efficiency and low in precision, and although the mechanical marking method is high in efficiency and precision, pits can be formed in a sample during marking, so that the sample is abnormally broken due to stress concentration during a tensile test.

Chinese patent CN205844059U discloses a high precision tensile specimen marker. The high-precision tensile sample marker needs to manually align the length direction of the steel sheet with the length direction of the tensile sample, and a slight deviation affects the marking precision, so the high-precision tensile sample marker is not suitable for marking the original gauge length of the circular tensile sample.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a circular tensile sample's scale distance mark device, the device can mark the original scale distance of circular tensile sample fast, and convenient to use is accurate.

The above technical purpose of the present invention can be achieved by the following technical solutions: a scale distance marking device of a round tensile sample comprises a fixed table;

an accommodating cavity is formed in the fixed table; the accommodating cavity is a long accommodating cavity, and the inner end surfaces of two ends of the accommodating cavity are vertical end surfaces;

the scale distance marking device of the round tensile sample further comprises a marking piece; the cross section of the marking piece is arc-shaped; and the marking piece is provided with a marking hole.

In one embodiment, the accommodating cavity is a V-shaped concave accommodating cavity.

In one embodiment, the accommodating cavity has a length of 240mm, a width of 5-10mm and a depth of 5 mm.

In one embodiment, the marker has a thickness of 0.5-1 mm.

In one embodiment, the number of the marking holes is at least two, and the marking holes are arranged equidistantly along the longitudinal axis of the marker.

In one embodiment, the distance between two adjacent marking holes is 5 mm.

In one embodiment, the diameter of the marking hole is 1 mm.

In one embodiment, the cross section of the marker (2) is semi-circular arc.

To sum up, the utility model discloses following beneficial effect has:

1. the holding cavity of the utility model can fix the round tensile sample, and the sample is prevented from rolling or sliding when the sample is marked;

2. the cross section of the marking piece of the utility model is arc-shaped, which can be attached to the surface of a round tensile sample, is not easy to slide and has good stability;

3. the utility model discloses set up the mark hole on the marker, mark the hole for machining, can use oily pen to carry out the mark of original gauge length on the sample through marking the hole, need not dig a pit, can not form the cavity on the sample, can not cause the sample to break unusually;

4. the utility model discloses simple structure, easily processing, convenient operation has guaranteed the accuracy of the original gauge length mark of circular tensile sample, very big promotion the efficiency of original gauge length mark, alleviateed intensity of labour.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a fixed table; 11. an accommodating cavity; 12. an inner end surface; 2. a marker; 21. marking holes; 3. and (4) sampling.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.

Referring to fig. 1, a scale distance marking device for a circular tensile sample comprises a fixed table 1 and a marker 2;

the fixed table 1 is internally provided with an accommodating cavity 11; the accommodating cavity 11 is a long accommodating cavity 11 which is concave in a V shape, and the inner end surfaces 12 at two ends of the accommodating cavity are vertical end surfaces; the length of the accommodating cavity 11 is 240mm, the width is 5-10mm, and the depth is 5 mm;

the cross section of the marker 2 is arc-shaped, and the thickness is 0.5-1 mm; the marking piece 2 is provided with marking holes 21, the diameter of each marking hole 21 is 1mm, the marking holes are arranged along the direction of the longitudinal axis of the marking piece 2, and the distance between every two adjacent marking holes 21 is 5 mm.

At first place circular tensile sample 3 in holding chamber 11 to make the one end roof pressure of sample 3 one interior terminal surface 12, the vertical end face plays the effect to sample 3 location, holding chamber 11 sets up and prevents that sample 3 from rolling and sliding, then cover marker 2 on sample 3, the radian of marker 2 just covers circular tensile sample's radian and surface, with compressing tightly marker 2, avoid marker 2 and sample 3 to produce the slip, then use oily pen to mark on sample 3 through mark hole 21. In order to reduce the workload, the marking can be carried out only on the two marking holes 21 at the extreme edge part, and then the marking can be carried out on the holes which are just the original gauge length position at intervals, so that the gauge length marking can be completed, and the working efficiency is greatly improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A scale distance marking device for a round tensile sample comprises a fixed table (1); it is characterized in that the preparation method is characterized in that,

an accommodating cavity (11) is arranged in the fixed table (1); the accommodating cavity (11) is a long accommodating cavity (11), and the inner end surfaces (12) at two ends of the accommodating cavity are vertical end surfaces;

the scale distance marking device of the circular tensile sample further comprises a marking piece (2); the cross section of the marking piece (2) is arc-shaped; and the marking piece (2) is provided with a marking hole (21).

2. The gauge length marking device for round tensile specimens according to claim 1, characterized in that the receiving chamber (11) is a V-shaped recessed receiving chamber (11).

3. Gauge length marking apparatus for round tensile specimens according to claim 1, characterized in that the housing cavity (11) has a length of 240mm, a width of 5-10mm and a depth of 5 mm.

4. Gauge length marking apparatus for round tensile specimens according to claim 1, characterized in that the thickness of the marker (2) is 0.5-1 mm.

5. The gauge length marking apparatus for round tensile specimens as set forth in claim 1, wherein said at least two marking holes (21) are provided, and the marking holes (21) are arranged equidistantly in the direction of the longitudinal axis of the indicator (2).

6. The gauge length marking apparatus for round tensile specimens as set forth in claim 5, wherein the distance between adjacent two of said marking holes (21) is 5 mm.

7. The gauge length marking apparatus for round tensile specimens as defined in claim 1, wherein the diameter of said marking holes (21) is 1 mm.

8. The gauge length marking apparatus for circular tensile specimens as defined in claim 1, wherein the cross-section of said indicator (2) is a semi-circular arc.