CN-224230885-U - Charpy impact sample size inspection board

CN224230885UCN 224230885 UCN224230885 UCN 224230885UCN-224230885-U

Abstract

The utility model belongs to the technical field of metering detection tools, and discloses a Charpy impact sample size detection plate which comprises a substrate made of organic glass or stainless steel sheets, wherein impact sample size detection item points are arranged on the substrate in a size drawing and incision mode, whether the size of the Charpy impact sample meets the GB/T229-2020 standard requirement is judged in a leaning and visual mode, and the impact sample size comprises a sample length, a sample width, a sample height, a ligament width, a gap symmetry plane-end part distance, a gap symmetry plane-sample longitudinal axis angle and an included angle between adjacent longitudinal surfaces of the samples. The utility model can realize convenient, quick and accurate detection and inspection of the machining precision of the Charpy impact sample.

Inventors

CHANG XINYU
PENG WEIGANG
WANG HUIQING
ZHANG JITENG
ZHANG YUELEI
ZHANG RUIJUN
HAO LIJUAN
REN JIAXING

Assignees

内蒙古第一机械集团股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250219

Claims (10)

1. A Charpy impact sample size inspection plate is characterized by comprising a substrate made of organic glass or stainless steel sheet materials, wherein impact sample size detection item points are arranged on the substrate in a size depiction and incision mode, whether the size of the Charpy impact sample meets the GB/T229-2020 standard requirement or not is judged in a leaning and visual mode, and the impact sample size comprises a sample length, a sample width, a sample height, a ligament width, a gap symmetry plane-end part distance, a gap symmetry plane-sample longitudinal axis angle and an included angle between adjacent longitudinal planes of the sample.
2. The Charpy impact specimen size inspection plate of claim 1, wherein the length and width inspection items comprise a plurality of groups of rectangular holes, each group having two rectangular holes of different lengths and widths, wherein the two lengths in each group of rectangular holes correspond to an upper limit and a lower limit of the length of the impact specimen to be tested, the width of the upper limit hole corresponds to the upper limit of the width of the impact specimen to be tested, and the width of the lower limit hole corresponds to the lower limit of the width of the impact specimen to be tested.
3. The charpy impact specimen size inspection board of claim 2, wherein among the plurality of sets of rectangular holes of the length and width inspection item points, a set of rectangular holes corresponding to the detection of the length and width of the U-notch specimen and a set of rectangular holes corresponding to the detection of the length and width of the V-notch specimen are provided.
4. The Charpy impact specimen size-checking plate according to claim 1, wherein the height-detecting item points comprise a plurality of groups of rectangular holes, each group comprises two rectangular holes with different heights and widths, the length and the width of one hole in each group correspond to the upper limit of the height size and the upper limit of the width size of the impact specimen to be tested respectively, and the length and the width of the other hole correspond to the lower limit of the height size and the lower limit of the width size of the impact specimen to be tested respectively.
5. The charpy impact specimen size check plate of claim 1, wherein the ligament width check point comprises a plurality of rectangular holes having one side opened at the edge of the base, the upper limit of the width of the opening being the upper limit of the ligament width, and the lower limit of the width of the opening being the lower limit of the ligament width.
6. The charpy impact specimen size inspection board of claim 1, wherein the notch symmetry plane-end distance detection entry point comprises a plurality of rectangular holes with one side open at the edge of the substrate, the upper limit of the length of the opening is the upper limit of the notch symmetry plane-end distance dimension, and the lower limit of the length of the opening is the lower limit of the notch symmetry plane-end distance dimension.
7. The charpy impact specimen size inspection board of claim 1, wherein the test specimen adjacent longitudinal surface included angle detection item point comprises two holes formed at the corners of the substrate, wherein one angle is used as the upper limit of the comparison angle, the other angle is used as the lower limit of the comparison angle, the two angles are used for comparison respectively during inspection, the top point cannot transmit light after the specimen is abutted against the upper limit angle, the top point must transmit light after the specimen is abutted against the lower limit angle, and the tested specimen meets the requirements when the two conditions are met.
8. The Charpy impact specimen size inspection board of claim 7, wherein the test specimen adjacent longitudinal face included angle detection item point comprises a base plate left upper corner opening, a base plate right upper corner opening, a base plate 89 degree corner opening, a specimen abutting against the top of the 91 degree corner and not transmitting light, and the specimen abutting against the top of the 89 degree corner and not transmitting light, and the tested specimen meets the requirements when two conditions are met.
9. The charpy impact specimen size inspection board of claim 1, wherein the notch symmetry plane-specimen longitudinal axis angle detection entry point comprises two holes formed at the corners of the substrate, one angle is used as an upper limit of the comparison angle, the other angle is used as a lower limit of the comparison angle, the two angles are used for respective comparison during inspection, the vertex cannot transmit light after the specimen is abutted against the upper limit angle, the vertex must transmit light after the specimen is abutted against the lower limit angle, and the tested specimen meets the requirements when the two conditions are met.
10. The charpy impact specimen size inspection panel of claim 9, wherein the notch symmetry plane-specimen longitudinal axis angle detection entry point comprises a hole in the bottom left corner of the substrate, a 92 ° angle and label, a hole in the top right corner of the substrate, a 88 ° angle and label, the vertex is opaque after the sample is placed against the 92 ° angle, the vertex must be transparent after the sample is placed against the 88 ° angle, and the tested specimen meets the requirements when both conditions are met.

Description

Charpy impact sample size inspection board Technical Field The utility model belongs to the technical field of metering detection tools, and relates to a Charpy impact sample size inspection plate. Background The Charpy impact specimen size is strictly specified in GB/T229-2020, and whether the size is out of tolerance has a direct influence on the measurement results. In the prior art, in the detection of the size (sample length, sample width, ligament width, gap symmetry plane-end distance, gap symmetry plane-sample longitudinal axis angle and included angle between adjacent longitudinal surfaces of the sample) of the Charpy impact sample, measuring tools such as calipers are mainly used for detection, the number of detection points is large, the requirement on measurement precision is high, the efficiency in detection is low, and the measurement precision is directly related to personnel and using tools, so that misjudgment in the size detection is easy to cause. Disclosure of utility model Object of the utility model The utility model aims to provide a Charpy impact sample size checking plate which can rapidly distinguish whether the processing size of the Charpy impact sample meets the GB/T229-2020 standard requirement. (II) technical scheme In order to solve the technical problems, the utility model provides a Charpy impact sample size inspection plate which comprises a substrate made of organic glass or stainless steel sheets, wherein impact sample size detection item points are arranged on the substrate in a size drawing and incision mode, whether the size of the Charpy impact sample meets the GB/T229-2020 standard requirement is judged in a leaning and visual mode, and the impact sample size comprises a sample length, a sample width, a sample height, a ligament width, a gap symmetry plane-end part distance, a gap symmetry plane-sample longitudinal axis angle and an included angle between adjacent longitudinal planes of the sample. The length and width detection item points comprise a plurality of groups of rectangular holes, each group of rectangular holes is provided with two rectangular holes with different lengths and widths, the two lengths in each group of rectangular holes respectively correspond to the upper limit of the length dimension of the impact sample to be tested and the lower limit of the length dimension, the width of the upper limit hole of the length dimension corresponds to the upper limit of the width dimension of the impact sample to be tested, and the width of the lower limit hole of the length dimension corresponds to the lower limit of the width dimension of the impact sample to be tested. Wherein, in the multiunit rectangular hole of length and width detection entry point, be equipped with a set of rectangular hole that corresponds U type breach sample length and width detection and correspond V type breach sample length and width detection's a set of rectangular hole. The height detection item point comprises a plurality of groups of rectangular holes, each group comprises two rectangular holes with different heights and widths, the length and the width of one hole in each group correspond to the upper limit of the height dimension and the upper limit of the width dimension of the impact sample to be tested respectively, and the length and the width of the other hole correspond to the lower limit of the height dimension and the lower limit of the width dimension of the impact sample to be tested respectively. The ligament width detection entry point comprises a plurality of rectangular holes with openings at one side at the edges of the matrix, the upper limit of the width of the openings is the upper limit of the ligament width dimension, and the lower limit of the width of the openings is the lower limit of the ligament width dimension. The gap symmetry plane-end part distance detection item point comprises a plurality of rectangular holes with openings at one side at the edges of the substrate, the upper limit of the length of the openings is the upper limit of the gap symmetry plane-end part distance size, and the lower limit of the length of the openings is the lower limit of the gap symmetry plane-end part distance size. The method comprises the steps of manufacturing two holes at the corner of a substrate, manufacturing a comparison angle, wherein one angle is used as an upper limit of the comparison angle, the other angle is used as a lower limit of the comparison angle, the two angles are used for comparison respectively during inspection, a sample is not transparent after being abutted against the upper limit of the angle, the vertex is required to be transparent after being abutted against the lower limit of the angle, and the tested sample meets the requirements when two conditions are met. The method comprises the steps of forming a hole in the left upper corner of a substrate, forming a hole in the right upper corner of the substrate, forming a hole in the 8