CN110793849A - Tool for measuring size of metal sample after stretching - Google Patents
Tool for measuring size of metal sample after stretching Download PDFInfo
- Publication number
- CN110793849A CN110793849A CN201910970932.1A CN201910970932A CN110793849A CN 110793849 A CN110793849 A CN 110793849A CN 201910970932 A CN201910970932 A CN 201910970932A CN 110793849 A CN110793849 A CN 110793849A
- Authority
- CN
- China
- Prior art keywords
- sample
- end plate
- caliper
- support
- clamping platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/062—Special adaptations of indicating or recording means with mechanical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The invention belongs to the field of design of detection devices, and particularly relates to a tool for measuring the size of a stretched metal sample. This frock includes: sample clamping platform (7), first sample fixed end plate (41), second sample fixed end plate (42), sample fixed end plate slide rail (8), slide caliper rule (12), amplification device (13), the measurement support, wherein, first sample fixed end plate (41) set up the one end at sample clamping platform (7), second sample fixed end plate (42) set up the other end at sample clamping platform (7) through sample fixed end plate slide rail (8), slide caliper rule (12) set up in sample clamping platform (7) top through the measurement support, amplification device (13) set up on slide caliper rule (12) and can slide along slide caliper rule (12). The tool can accurately measure the size of the stretched metal sample.
Description
Technical Field
The invention belongs to the field of design of detection devices, and particularly relates to a tool for measuring the size of a stretched metal sample.
Background
The metal raw material retest and the mechanical property detection of metal parts are one of the important measures for ensuring the product quality, the tensile test is the main detection item of the mechanical property detection, the detection indexes comprise strength and plasticity indexes, and the plasticity indexes mainly comprise the elongation after fracture and the reduction of area. A typical tensile specimen is shown in figures 1 and 2.
At present, the elongation after fracture and the reduction of area of a tensile sample are directly measured by using a vernier caliper, and the detection method mainly has the following defects:
1) the stretched sample needs to be spliced and then measured, and the two ends of the sample are easy to roll during measurement, so that the measurement is caused
The efficiency is low;
2) the scale distance scale line of the sample scale distance section is thin, the section contraction measurement position is narrow, and the caliper can not be accurately determined
Bit, resulting in large measurement errors.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a measure frock of tensile back size of metal specimen, this frock can realize the quick fixed after the sample concatenation after breaking, and the accurate positioning of slide caliper rule at the measurement section can improve measurement accuracy and measurement of efficiency
The technical scheme of the invention is as follows:
first aspect provides a measure frock of tensile back size of metal specimen, its characterized in that includes: sample clamping platform 7, the end plate 41 is fixed to first sample, the end plate 42 is fixed to the second sample, the end plate slide rail 8 is fixed to the sample, slide caliper rule 12, amplification device 13, the measurement support, wherein, the one end at sample clamping platform 7 is set up to the end plate 41 is fixed to first sample, the other end at sample clamping platform 7 is set up through the end plate slide rail 8 is fixed to the second sample, slide caliper rule 12 passes through the measurement support and sets up in sample clamping platform 7 top, amplification device 13 sets up on slide caliper rule 12 and can slide along slide caliper rule 12.
Optionally, the method further comprises: the sample clamping platform transmission rod 10, the frame 6 and the sample clamping platform 7 are arranged in a groove in the frame 6, and the sample clamping platform transmission rod 10 penetrates through the frame 6 to be connected with the sample clamping platform 7.
Optionally, the measuring bracket includes a first bracket 17, a second bracket 18, a third bracket 19, a caliper front-rear adjusting knob 16, and a caliper up-down adjusting knob 20, wherein one end of the third bracket 19 is fixed on the frame 6, the second bracket 18 is connected with the third bracket 19 through the caliper up-down adjusting knob 20, the first bracket 17 is connected with the second bracket 18 through the caliper front-rear adjusting knob 16, and the first bracket 17 is connected with the caliper 12.
Optionally, the caliper further includes a fixing pin 14 and a caliper sliding rail 15, and the first bracket 17 is connected to the caliper 12, and specifically includes: the first bracket 17 is connected to the caliper slide rail 15, and the caliper 12 is fixed to the caliper slide rail 15 by the fixing pin 14.
Optionally, the test device further comprises an end plate adjusting knob 1, an end plate transmission rod 5, a baffle 2 and a fixing pin 3, wherein one end of the end plate transmission rod 5 is fixed to a second sample fixing end plate 42, an external thread is arranged on the end plate transmission rod 5 and penetrates through the end plate adjusting knob 1 to be matched with the internal thread of the end plate adjusting knob 1, an annular clamping groove is formed in the outer surface of the end plate adjusting knob 1, the baffle 2 is fixed to the sample clamping platform 7, and the end plate adjusting knob 1 penetrates through the baffle 2 and is arranged in the baffle 2 through the fixing pin 3.
Optionally, the frame further comprises four adjusting bases 21 and four corresponding adjusting nuts 22, and the four adjusting bases 21 are fixed at the bottom of the frame through the four adjusting nuts 22 respectively.
Optionally, the magnifying device 13 is a microscope.
Optionally, the test fixture further comprises a test sample mounting groove 9, and the test sample mounting groove 9 is arranged on the test sample clamping platform 7 and used for placing a sample to be tested.
The invention has the beneficial effects that:
1. simple and convenient operation, simple structure and easy processing
2. The sample to be measured can be fixed, and the problem that the measurement efficiency is low due to the fact that the sample is easy to roll during measurement is avoided.
3. The second sample fixing end plate 42 is adjustable and is suitable for measuring metal bar and plate samples with different sizes.
4. The tool size measurement is non-contact measurement, so that the problems that a gauge length scale line of a sample gauge length section is thin, a section shrinkage measurement position is narrow, and a caliper cannot be accurately positioned to cause large measurement error are effectively avoided.
Drawings
FIG. 1 is a schematic representation of a metal specimen prior to stretching;
FIG. 2 is a schematic representation of a metal specimen after stretching;
fig. 3 is a schematic view of a tool for measuring a stretched dimension of a metal specimen according to an embodiment of the invention.
The device comprises an end plate adjusting knob 1, an end plate adjusting knob 2, a baffle 3, a fixing pin 41, a first sample fixing end plate 42, a second sample fixing end plate 42, an end plate transmission rod 5, a frame 7, a sample clamping platform 8, a sample fixing end plate sliding rail 9, a sample mounting groove 10, a sample clamping platform transmission rod 11, a fixing pin 12, a caliper 13, an amplifying device 14, a fixing pin 15, a caliper sliding guide rail 16, a caliper front-back adjusting knob 17, a first support 18, a second support 19, a third support 20, a caliper upper-lower adjusting knob 21, an adjusting base 22 and an adjusting nut
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to a tool for measuring the stretched size of a metal sample, which is made of alloy structural steel and comprises the following components: the device comprises an end plate adjusting knob 1, a baffle 2, a fixing pin 3, a first sample fixing end plate 41, a second sample fixing end plate 42, an end plate transmission rod 5, a frame 6, a sample clamping platform 7, a sample fixing end plate sliding rail 8, a sample mounting groove 9, a sample clamping platform transmission rod 10, a fixing pin 11, a caliper 12, an amplifying device 13, a fixing pin 14, a caliper sliding guide rail 15, a caliper front and rear adjusting knob 16, a first support 17, a second support 18, a third support 19, a caliper up and down adjusting knob 20, an adjusting base 21 and an adjusting nut 22.
The structure of the invention is as follows: the end plate adjusting knob 1 is connected with the end plate transmission rod 5 through threads, a clamping groove is formed in the circumferential direction of the outer surface of the end plate adjusting knob 1, and the end plate adjusting knob 1 can only rotate after being fixed in a hole 2 of the baffle plate through a fixing pin 3. Baffle 2 welds in sample clamping platform 7 side sample mounting groove position, and 41 one ends of first sample fixed end plate weld on sample clamping platform 7, and one end and end plate transfer line 5 welded fastening, sample clamping platform transfer line 10 pass frame 6 and pass through threaded connection with sample clamping platform 7 to it is fixed with fixed pin 11, make sample clamping platform transfer line 10 can only the circumferential direction rotate and can not follow the axial slip. The amplifying device 13 is installed on the measuring caliper 12 through a clamping groove, the caliper is installed on a caliper sliding guide rail 15, and the first support 17 is installed in a mounting hole in the bottom surface of the caliper sliding guide rail 15 and fixed through a fixing pin 14. The first support 17, the second support 18 and the third support 19 are respectively in threaded connection with the caliper front-back adjusting knob 16 and the caliper up-down adjusting knob 20, and the thread directions of the two end holes of the adjusting knobs 16 and 20 are opposite. The third bracket 19 is screwed to the frame 6. The adjustment bases 21 are mounted to the four corners of the frame 6 by self-threading.
The working principle is as follows: the end plate adjusting knob 1 is rotated to enable the second sample fixing end plate 42 to move in the sliding rail 8, so that the purpose of quickly fixing the sample to be detected which is arranged on the groove 9 is achieved. And respectively adjusting a caliper front-back adjusting knob 16 and a caliper up-down adjusting knob 20 to ensure that the area to be measured of the sample is clearly visible in the visual field of the amplifying device. And rotating the transmission rod 10 of the sample clamping platform to enable the sample clamping platform 7 to move on the frame 6, aligning the start measuring point of the sample with the zero scale line of the caliper 12, sliding the amplifying device 13 until the scale line in the amplifying device is aligned with the scale line of the point to be measured of the sample, and subtracting the scale distance from the reading of the caliper to obtain the elongation after the sample is broken. The fixing pin 14 is pulled out, the caliper 12 is rotated by 90 degrees and then fixed by the fixing pin, the position of the caliper is adjusted, and the diameter of the section is measured by the same method. The elongation after fracture and the reduction of area of the sample can be obtained by calculation.
The key points of the invention are as follows:
1, a quick fixing mechanism for a sample after stretching: through rotating the knob, can carry out quick fixed to the not unidimensional sample of different grade type, improve measurement of efficiency.
2 dimensional measurement is contactless: through the amplifying device, non-contact type accurate measurement is realized, and measurement errors caused by inaccurate positioning during caliper contact measurement are effectively avoided.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a measure frock of tensile back size of metal specimen which characterized in that includes: sample clamping platform (7), first sample fixed end plate (41), second sample fixed end plate (42), sample fixed end plate slide rail (8), slide caliper rule (12), amplification device (13), the measurement support, wherein, first sample fixed end plate (41) set up the one end at sample clamping platform (7), second sample fixed end plate (42) set up the other end at sample clamping platform (7) through sample fixed end plate slide rail (8), slide caliper rule (12) set up in sample clamping platform (7) top through the measurement support, amplification device (13) set up on slide caliper rule (12) and can slide along slide caliper rule (12).
2. The tooling of claim 1, further comprising: the sample clamping platform transmission rod (10), the frame (6) and the sample clamping platform (7) are arranged in a groove in the frame (6), and the sample clamping platform transmission rod (10) penetrates through the frame (6) to be connected with the sample clamping platform (7).
3. The tool according to claim 2, characterized in that the measuring support comprises a first support (17), a second support (18), a third support (19), a caliper front and back adjusting knob (16) and a caliper up and down adjusting knob (20), wherein one end of the third support (19) is fixed on the frame (6), the second support (18) is connected with the third support (19) through the caliper up and down adjusting knob (20), the first support (17) is connected with the second support (18) through the caliper front and back adjusting knob (16), and the first support (17) is connected with the caliper (12).
4. The tooling of claim 2, further comprising a fixing pin (14) and a caliper sliding guide rail (15), wherein the first bracket (17) is connected with the caliper (12), and specifically comprises: the first support (17) is connected with the caliper sliding guide rail (15), and the caliper (12) is fixed on the caliper sliding guide rail (15) through the fixing pin (14).
5. The tooling of claim 2, further comprising an end plate adjusting knob (1), an end plate transmission rod (5), a baffle plate (2) and a fixing pin (3), wherein one end of the end plate transmission rod (5) is fixed with a second sample fixing end plate (42), an external thread is arranged on the end plate transmission rod (5) and penetrates through the end plate adjusting knob (1) to be matched with an internal thread of the end plate adjusting knob (1), an annular clamping groove is formed in the outer surface of the end plate adjusting knob (1), the baffle plate (2) is fixed on the sample clamping platform (7), and the end plate adjusting knob (1) penetrates through the baffle plate (2) and is arranged in the baffle plate (2) through the fixing pin (3).
6. The tooling according to claim 2, further comprising four adjusting bases (21) and four corresponding adjusting nuts (22), wherein the four adjusting bases (21) are respectively fixed at the bottom of the frame through the four adjusting nuts (22).
7. Tool according to claim 2, characterized in that the magnifying device (13) is a microscope.
8. The tool according to claim 1, further comprising a sample mounting groove (9), wherein the sample mounting groove (9) is arranged on the sample clamping platform (7) and used for placing a sample to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970932.1A CN110793849A (en) | 2019-10-12 | 2019-10-12 | Tool for measuring size of metal sample after stretching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970932.1A CN110793849A (en) | 2019-10-12 | 2019-10-12 | Tool for measuring size of metal sample after stretching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110793849A true CN110793849A (en) | 2020-02-14 |
Family
ID=69440179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910970932.1A Pending CN110793849A (en) | 2019-10-12 | 2019-10-12 | Tool for measuring size of metal sample after stretching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110793849A (en) |
Citations (16)
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| CN206556660U (en) * | 2017-03-13 | 2017-10-13 | 甘肃交达工程检测科技有限公司 | A kind of multifunction architecture engineering quality testing testing apparatus for verticality |
| CN108613658A (en) * | 2018-04-04 | 2018-10-02 | 中交第三公路工程局有限公司 | A kind of novel cast-in-place box beam bracket Monitoring method of the subsidence and equipment |
| CN208010698U (en) * | 2018-01-26 | 2018-10-26 | 北京车和家信息技术有限公司 | Cylinder auxiliary mould and test device |
| CN208537316U (en) * | 2018-07-06 | 2019-02-22 | 南京航空航天大学 | Ceramic matric composite high temperature air environment matrix cracking observation system |
-
2019
- 2019-10-12 CN CN201910970932.1A patent/CN110793849A/en active Pending
Patent Citations (16)
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| US20070277619A1 (en) * | 2005-05-02 | 2007-12-06 | Grishaber Randy-David B | Method for measuring deformations in test specimens and a system for marking the test specimens |
| CN201225884Y (en) * | 2008-06-17 | 2009-04-22 | 中信戴卡轮毂制造股份有限公司 | Apparatus for measuring gauge length |
| CN201407972Y (en) * | 2009-04-28 | 2010-02-17 | 长城汽车股份有限公司 | Measurer for regionalizing testing area of pedestrian protection in automotive vehicle test |
| CN101624039A (en) * | 2009-08-03 | 2010-01-13 | 罗士中 | Retractable vehicle steering lock |
| CN203414340U (en) * | 2013-08-25 | 2014-01-29 | 中国北车集团大同电力机车有限责任公司 | Auxiliary tool for measuring gauge length of fractured tensile sample |
| CN203745301U (en) * | 2014-02-24 | 2014-07-30 | 鞍钢股份有限公司 | Auxiliary device for measuring broken tensile test sample |
| CN204115650U (en) * | 2014-10-24 | 2015-01-21 | 武汉钢铁(集团)公司 | Tensile sample is had no progeny test desk |
| CN105043986A (en) * | 2015-08-05 | 2015-11-11 | 上海交通大学 | Microscope installation support for observing mesoscopic tissue online in situ |
| CN105115391A (en) * | 2015-09-30 | 2015-12-02 | 山东能源重型装备制造集团有限责任公司 | Chain pit gauge and measuring method thereof |
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| CN105973111A (en) * | 2016-07-08 | 2016-09-28 | 江苏科技大学 | Egg-shaped pressure-resistant shell rapid positioning measurement apparatus and measurement method |
| CN206556660U (en) * | 2017-03-13 | 2017-10-13 | 甘肃交达工程检测科技有限公司 | A kind of multifunction architecture engineering quality testing testing apparatus for verticality |
| CN208010698U (en) * | 2018-01-26 | 2018-10-26 | 北京车和家信息技术有限公司 | Cylinder auxiliary mould and test device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200214 |
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| RJ01 | Rejection of invention patent application after publication |