CN106706385B - Device for measuring gauge length of tensile sample - Google Patents
Device for measuring gauge length of tensile sample Download PDFInfo
- Publication number
- CN106706385B CN106706385B CN201611129500.0A CN201611129500A CN106706385B CN 106706385 B CN106706385 B CN 106706385B CN 201611129500 A CN201611129500 A CN 201611129500A CN 106706385 B CN106706385 B CN 106706385B
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- fixed
- sliding
- support
- sample
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- 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
- 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
- G01N2203/0605—Mechanical indicating, recording or sensing means
Abstract
The invention discloses a device for measuring the gauge length of a tensile sample, belongs to the technical field of tensile tests, and aims to solve the problems that the gauge length and the measurement after fracture of the tensile test cannot be mechanized and the manual measurement precision is low. The fixed support is fixed on the base, the slide rail is fixed on the inner wall of the fixed support, the sliding support is installed on the base and is sleeved on the slide rail, the worm is installed on the sliding support through the worm fixing cover, the rack is fixed on the side wall of the slide rail, and the worm is meshed with the rack; the vernier caliper is arranged on the vernier caliper seat; two sample mounting wear to establish on fixed bolster and sliding bracket, and the clamping end of sample mounting is located the inboard of fixed bolster and sliding bracket, and the screw thread end of sample mounting is located the outside of fixed bolster and sliding bracket. The device for measuring the gauge length of the tensile sample can measure the gauge length of the tensile sample after the tensile sample is broken.
Description
Technical Field
The invention relates to a gauge length and measurement device, in particular to a device for gauge length and measurement of a tensile sample, and belongs to the technical field of tensile tests.
Background
Usually, a tensile testing machine is used to test the mechanical properties of the materials, such as elongation and reduction of area; in the detection process, a tester mainly manually completes measurement of the gauge length before and after the test piece is stretched, the tester holds the broken test piece with one hand and the vernier caliper with the other hand to complete measurement of related indexes. Due to uneven cross sections of the test piece, the subsequent operation is time-consuming and labor-consuming, the measurement error is large, and the requirement on the experience level of a tester is high in order to reduce the measurement error. Therefore, a device capable of improving the measurement precision of the tensile test and realizing mechanized gauge length and measurement is needed.
Disclosure of Invention
The invention aims to provide a device for measuring the gauge length of a tensile sample, which aims to solve the problem that the measurement of the gauge length and the measurement after the tensile sample is broken in a tensile test cannot be mechanized.
The device for measuring the gauge length of the tensile sample comprises a base, a fixing support, a sample fixing piece, a vernier caliper seat, a slide rail, a sliding support, a worm fixing cover and a rack;
the fixed support is fixed on the base, the slide rail is fixed on the inner wall of the fixed support, the sliding support is installed on the base and is sleeved on the slide rail, the worm is installed on the sliding support through the worm fixing cover, the rack is fixed on the side wall of the slide rail, and the worm is meshed with the rack; the vernier caliper is arranged on the vernier caliper seat; two sample mounting wear to establish on fixed bolster and sliding bracket, and the clamping end of sample mounting is located the inboard of fixed bolster and sliding bracket, and the screw thread end of sample mounting is located the outside of fixed bolster and sliding bracket.
Preferably: the sliding rail is provided with a fixed knife rest and a sliding knife rest, the fixed knife rest and the sliding knife rest are provided with scribing knives, and the sliding knife rest can move on the sliding rail.
Preferably: two sample mounting pass through the fastener and install on fixed bolster and sliding bracket, are equipped with the draw-in groove on the sample mounting, and tensile sample passes through fixing bolt to be fixed in the draw-in groove.
Preferably: the fixed support is fixed on the base through a base fixing bolt, a groove matched with the sliding support is formed in the base, and the sliding support can slide on the base along the sliding rail through the worm and the rack.
Preferably: install the fixed mounting board on the sliding support, the fixed mounting board lower half is equipped with the bolt and laminates with the base lateral wall, through bolt fastening sliding support.
Preferably: the vernier caliper seat is provided with a sliding groove, and the vernier caliper can move on the sliding groove of the vernier caliper seat and rotate 90 degrees.
Preferably: the fixed bolster and the sliding support are equipped with the arc recess with fastener laminating department, are equipped with the ball in the arc recess, and it has the through-hole to open on the fastener, and the top cap is installed on the fastener to the cover is on the through-hole, and the spring setting is in the through-hole, and spring one end offsets with the top cap, and the other end top is leaned on the ball.
Preferably: the fastener, the sample fixing piece, the fixing bolt, the top cover, the spring and the ball form a sample fixing structure; the top cover, the spring and the ball form a composite tip cone structure, and the sample fixing structure can rotate 90 degrees with the arc-shaped groove formed in the sliding support through the composite tip cone structure.
Preferably: length scales are marked on the sliding rail, the sliding tool rest and the fixed tool rest; the fixed support, the sliding support and the fastener are marked with scale marks of 0-90 degrees.
Compared with the existing product, the invention has the following effects: the invention can realize accurate marking and accurate measurement of a tensile test piece, and avoid the completion of the work by an operator through pure manual operation.
Drawings
FIG. 1 is a schematic diagram of a device for measuring the gauge length of a tensile specimen according to the present invention;
FIG. 2 is a front view of an apparatus of the present invention that may be used for tensile specimen gauge length and measurement;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a rear view of FIG. 2;
FIG. 5 is a detail view of the sliding bracket;
FIG. 6 is a detail view of the composite tip cone structure.
In the figure: 1-base, 2-fixing support, 3-fastener, 4-sample fixing piece, 5-scribing knife, 6-fixing bolt, 7-ball, 8-vernier caliper, 9-vernier caliper seat, 10-top cover, 11-slide rail, 12-fixing mounting plate, 13-sliding support, 14-worm, 15-worm fixing cover, 16-sliding tool rest, 17-fixing tool rest, 18-rack, 19-bolt, 20-base fixing bolt and 21-spring.
Detailed Description
Preferred embodiments of the present invention are explained in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the device for measuring the gauge length of the tensile sample according to the present invention includes a base 1, a fixing bracket 2, a sample fixing member 4, a vernier caliper 8, a vernier caliper base 9, a slide rail 11, a sliding bracket 13, a worm 14, a worm fixing cover 15, and a rack 18;
the fixed support 2 is fixed on the base 1, the slide rail 11 is fixed on the inner wall of the fixed support 2, the slide support 13 is installed on the base 1 and sleeved on the slide rail 11, the worm 14 is installed on the slide support 13 through the worm fixing cover 15, the rack 18 is fixed on the side wall of the slide rail 11, and the worm 14 is meshed with the rack 18; the vernier caliper seat 9 is arranged on the slide rail 11, and the vernier caliper 8 is arranged on the vernier caliper seat 9; two sample mounting 4 wear to establish on fixed bolster 2 and sliding bracket 13, and the clamping end of sample mounting 4 is located the inboard of fixed bolster 2 and sliding bracket 13, and the screw thread end of sample mounting 4 is located the outside of fixed bolster 2 and sliding bracket 13. The slide rail 11 is provided with a fixed tool rest 17 and a sliding tool rest 16, the fixed tool rest 17 and the sliding tool rest 16 are provided with a marking knife 5, and the sliding tool rest 16 can move on the slide rail 11. Two sample mounting 4 pass through fastener 3 to be installed on fixed bolster 2 and sliding bracket 13, are equipped with the draw-in groove on the sample mounting 4, and tensile sample passes through fixing bolt 6 to be fixed in the draw-in groove. The fixed support 2 is fixed on the base 1 through a base fixing bolt 20, a groove matched with the sliding support 13 is arranged on the base 1, and the sliding support 13 can slide on the base 1 along the sliding rail 11 through the worm 14 and the rack 18. The sliding support 13 is provided with a fixed mounting plate 12, the lower half part of the fixed mounting plate 12 is provided with a bolt 19 and is attached to the side wall of the base 1, and the sliding support 13 is fixed through the bolt 19. The vernier caliper seat 9 is provided with a sliding groove, and the vernier caliper 8 can move on the sliding groove of the vernier caliper seat 9 and rotate 90 degrees. Fixed bolster 2 and sliding support 13 are equipped with the arc recess with 3 laminating departments of fastener, are equipped with ball 7 in the arc recess, and it has the through-hole to open on the fastener 3, and top cap 10 is installed on fastener 3 to the cover is on the through-hole, and spring 21 sets up in the through-hole, and spring 21 one end offsets with top cap 10, and the other end top is leaned on ball 7. The fastener 3, the sample fixing piece 4, the fixing bolt 6, the top cover 10, the spring 21 and the ball 7 form a sample fixing structure; the top cover 10, the spring 21 and the ball 7 form a composite tip cone structure, and the sample fixing structure can rotate 90 degrees with the arc-shaped groove arranged on the sliding support 13 through the composite tip cone structure. Length scales are marked on the slide rail 11, the slide tool rest 16 and the fixed tool rest 17; the fixed support 2, the sliding support 13 and the fastener 3 are marked with scale marks of 0-90 degrees.
Before the tensile test, the test piece is installed in a clamping groove of a sample fixing piece 4, the test piece is fixed through a fixing bolt 6, a sliding tool rest 16 is moved to a specified position, a sample fixing structure is rotated to 90 degrees from 0 degree, and the scribing function is completed.
After the test piece is stretched, the worm 14 is adjusted to realize the movement of the sliding support 13, the fractured test piece is placed in a clamping groove of the test piece fixing part 4, the straightness of the test piece after the fracture is ensured through the fixing bolt 6 and the clamping groove, the sliding support 13 is moved again until the two fractured test pieces are completely attached, and then the deformation of the test piece in the X-axis direction after the fracture is measured through the scale marks on the sliding rail 11, the sliding tool rest 16 and the fixing tool rest 17; the deformation quantity of the Y-axis and the Z-axis of the test piece after fracture is measured through the vernier caliper 8, the vernier caliper seat 9 and the rotatable sample fixing structure.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (7)
1. The utility model provides a can be used to tensile sample scale distance and measuring device which characterized in that: the device comprises a base (1), a fixing support (2), a sample fixing piece (4), a vernier caliper (8), a vernier caliper seat (9), a slide rail (11), a sliding support (13), a worm (14), a worm fixing cover (15) and a rack (18);
the fixed support (2) is fixed on the base (1), the sliding rail (11) is fixed on the inner wall of the fixed support (2), the sliding support (13) is installed on the base (1) and sleeved on the sliding rail (11), the worm (14) is installed on the sliding support (13) through the worm fixing cover (15), the rack (18) is fixed on the side wall of the sliding rail (11), and the worm (14) is meshed with the rack (18); the vernier caliper seat (9) is arranged on the sliding rail (11), and the vernier caliper (8) is arranged on the vernier caliper seat (9); the two sample fixing pieces (4) are arranged on the fixed support (2) and the sliding support (13) in a penetrating mode, the clamping ends of the sample fixing pieces (4) are located on the inner sides of the fixed support (2) and the sliding support (13), and the threaded ends of the sample fixing pieces (4) are located on the outer sides of the fixed support (2) and the sliding support (13); the fastener (3), the sample fixing piece (4), the fixing bolt (6), the top cover (10), the spring (21) and the ball (7) form a sample fixing structure; the top cover (10), the spring (21) and the ball (7) form a composite tip cone structure, and the sample fixing structure can rotate 90 degrees with an arc-shaped groove arranged on the sliding support (13) through the composite tip cone structure; a fixed tool rest (17) and a sliding tool rest (16) are arranged on the sliding rail (11), scribing tools (5) are arranged on the fixed tool rest (17) and the sliding tool rest (16), and the sliding tool rest (16) can move on the sliding rail (11).
2. The device for measuring the gauge length of the tensile sample according to claim 1, wherein: two sample mounting (4) are installed on fixed bolster (2) and sliding bracket (13) through fastener (3), are equipped with the draw-in groove on sample mounting (4), and tensile sample passes through fixing bolt (6) to be fixed in the draw-in groove.
3. The device for measuring the gauge length of the tensile sample according to claim 1, wherein: the fixed support (2) is fixed on the base (1) through a base fixing bolt (20), a groove matched with the sliding support (13) is formed in the base (1), and the sliding support (13) can slide on the base (1) along the sliding rail (11) through a worm (14) and a rack (18).
4. A device for distance measurement and measurement of tensile specimens as claimed in claim 1, 2 or 3, characterized in that: a fixed mounting plate (12) is mounted on the sliding support (13), a bolt (19) is arranged on the lower half portion of the fixed mounting plate (12) and is attached to the side wall of the base (1), and the sliding support (13) is fixed through the bolt (19).
5. The device for measuring the gauge length of the tensile sample according to claim 1, wherein: the vernier caliper seat (9) is provided with a sliding groove, and the vernier caliper (8) can move on the sliding groove of the vernier caliper seat (9) and rotate 90 degrees.
6. The device for measuring the gauge length of the tensile sample according to claim 1, wherein: fixed bolster (2) and sliding support (13) are equipped with the arc recess with fastener (3) laminating department, are equipped with ball (7) in the arc recess, and it has the through-hole to open on fastener (3), and top cap (10) are installed on fastener (3) to the cover is on the through-hole, and spring (21) set up in the through-hole, and spring (21) one end offsets with top cap (10), and the other end top leans on ball (7).
7. A device for distance measurement and measurement of tensile specimens, according to claim 1 or 3, characterized in that: length scales are marked on the sliding rail (11), the sliding tool rest (16) and the fixed tool rest (17); the fixed support (2), the sliding support (13) and the fastener (3) are marked with scale marks of 0-90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129500.0A CN106706385B (en) | 2016-12-09 | 2016-12-09 | Device for measuring gauge length of tensile sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129500.0A CN106706385B (en) | 2016-12-09 | 2016-12-09 | Device for measuring gauge length of tensile sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106706385A CN106706385A (en) | 2017-05-24 |
| CN106706385B true CN106706385B (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611129500.0A Active CN106706385B (en) | 2016-12-09 | 2016-12-09 | Device for measuring gauge length of tensile sample |
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| CN (1) | CN106706385B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108168966B (en) * | 2017-11-30 | 2020-07-21 | 金堆城钼业股份有限公司 | Device and method for manufacturing molybdenum and molybdenum alloy pipe tensile sample gauge length line |
| CN111997587B (en) * | 2020-08-31 | 2021-11-02 | 中国石油集团渤海钻探工程有限公司 | Experimental device for detecting measurement accuracy of sensor of card measuring instrument |
| CN117191583B (en) * | 2023-11-07 | 2024-02-02 | 徐州宏巨机械制造有限公司 | Iron casting intensity detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004569A (en) * | 1999-06-18 | 2001-01-12 | Seiko Instruments Inc | Sample-length setting jig for tensile measurement in thermomechanical measuring apparatus |
| CN101403670A (en) * | 2008-11-11 | 2009-04-08 | 上海工程技术大学 | Miniature strip material tensile testing apparatus |
| CN202453244U (en) * | 2011-12-14 | 2012-09-26 | 北汽福田汽车股份有限公司 | Scale distance marking device for tensile test specimen |
| CN202512017U (en) * | 2011-12-29 | 2012-10-31 | 华南理工大学 | Device for gauge length graving and assisted final gauge length measurement of tension test piece |
| CN204314145U (en) * | 2014-12-09 | 2015-05-06 | 上海航天精密机械研究所 | The device for accurately measuring of gauge length mark and elongation after fracture |
-
2016
- 2016-12-09 CN CN201611129500.0A patent/CN106706385B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004569A (en) * | 1999-06-18 | 2001-01-12 | Seiko Instruments Inc | Sample-length setting jig for tensile measurement in thermomechanical measuring apparatus |
| CN101403670A (en) * | 2008-11-11 | 2009-04-08 | 上海工程技术大学 | Miniature strip material tensile testing apparatus |
| CN202453244U (en) * | 2011-12-14 | 2012-09-26 | 北汽福田汽车股份有限公司 | Scale distance marking device for tensile test specimen |
| CN202512017U (en) * | 2011-12-29 | 2012-10-31 | 华南理工大学 | Device for gauge length graving and assisted final gauge length measurement of tension test piece |
| CN204314145U (en) * | 2014-12-09 | 2015-05-06 | 上海航天精密机械研究所 | The device for accurately measuring of gauge length mark and elongation after fracture |
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| CN106706385A (en) | 2017-05-24 |
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