CN113267414A - Vickers hardness test auxiliary device - Google Patents
Vickers hardness test auxiliary device Download PDFInfo
- Publication number
- CN113267414A CN113267414A CN202110563488.9A CN202110563488A CN113267414A CN 113267414 A CN113267414 A CN 113267414A CN 202110563488 A CN202110563488 A CN 202110563488A CN 113267414 A CN113267414 A CN 113267414A
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- CN
- China
- Prior art keywords
- cylinder body
- linkage rod
- vickers hardness
- clamping plate
- compression spring
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- 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.)
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- 238000007545 Vickers hardness test Methods 0.000 title claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- G01N3/40—Investigating hardness or rebound hardness
-
- 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
- G01N3/04—Chucks
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
Abstract
The invention discloses a Vickers hardness test auxiliary device, which comprises a test bed and cylinder bodies, wherein the top of the test bed is provided with a strip-shaped hole, the bottom of the test bed is fixedly connected with a slide rail, the outer side surface of each cylinder body is provided with a slide groove, the cylinder bodies are connected to the inside of the slide rail in a sliding way through the slide grooves, and the two groups of cylinder bodies are respectively positioned under the corresponding strip-shaped holes; the linkage rod matched with the strip-shaped hole is movably inserted into the cylinder body, a limiting plate and a first compression spring are further arranged inside the cylinder body, the upper end of the linkage rod extends to the upper side of the strip-shaped hole, the lower end of the linkage rod extends to the outer side of the cylinder body, the first compression spring is sleeved on the outer portion of the linkage rod, the lower end of the first compression spring is in contact with the limiting plate, clamping plates are arranged on the upper portion of the linkage rod, and an accommodating space is formed between every two adjacent clamping plates. The auxiliary device of the invention is convenient to adjust the position of the clamping plate, saves the clamping time, has simple structure, convenient operation and strong practicability, and is beneficial to popularization and application.
Description
Technical Field
The invention relates to the technical field of metal material performance detection equipment, in particular to a Vickers hardness test auxiliary device.
Background
The Vickers hardness test is a very important detection means for verifying mechanical properties in welding process evaluation of metal materials, and is characterized in that a regular quadrangular pyramid diamond pressure head with a certain angle on two opposite surfaces of the top is pressed into the surface of a sample by a certain test force, the test force is removed after the sample is kept for a specified time, the length of an indentation diagonal line on the surface of the sample is measured, and the hardness is calculated according to a formula. Vickers hardness is applied to all metals and is one of the most widely used hardness criteria.
Through retrieval, patent document with application number 201721237455.0 and publication number CN207396248U, a vickers hardness test auxiliary device is disclosed, which comprises a sliding rail platform and a first positioning device, wherein the first positioning device is provided with a first vertical surface opposite to the sliding rail platform; the second positioning device is provided with a second vertical surface opposite to the slide rail platform, wherein the first vertical surface, the second vertical surface and the horizontal bearing surface form an accommodating space, and the test sample is clamped through the accommodating space. It mainly drives the division board through rotating the regulation clamp bolt and carries out centre gripping sample panel, and when the fixed sample panel of centre gripping, the rotation bolt that needs to go on relapseing according to sample panel's width drives the division board and removes, and the operation is comparatively loaded down with trivial details, and the centre gripping that is not convenient for adapt to different sample panels is fixed. The patent document with the application number 201721520965.9 and the publication number CN207423710U discloses an auxiliary tool for the Vickers hardness test of an irregular sample, which comprises a base, a slide block, a fastening bolt, a supporting block bolt and a supporting block, wherein one side of the base is provided with a guide groove, the slide block is provided with a clamping groove, the slide block is clamped on the guide groove arranged on the base through the clamping groove, the sliding block can slide along the guide groove arranged on the base, the fixed sliding block is also provided with a groove for installing the sleeve welding test piece, the fastening bolt for fixing the sliding block is inserted into the sliding block screw hole arranged on the sliding block and the first base screw hole arranged on the base and is fixed by a nut, the supporting block is arranged on the other side of the base, a supporting block bolt for fixing the supporting block is inserted into a second base screw hole arranged on the base and a supporting block screw hole arranged on the supporting block, and the support block is screwed on the support block bolt by a nut, so that the support block is installed and fixed on the support block bolt. The method mainly comprises the steps of adjusting the sliding block and the supporting block, after a detection surface is horizontal, tightening a fastening bolt for fixing the sliding block and a supporting block bolt for fixing the supporting block, and then performing a Vickers hardness test on a socket welding sample.
Therefore, for different sample plates, an auxiliary device with a simple structure and convenient operation needs to be provided, so that the sample plates can be clamped conveniently.
Disclosure of Invention
The invention aims to solve the technical problem in the background art and provides an auxiliary device which is simple in structure and convenient to operate.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a Vickers hardness test auxiliary device comprises a test bed and cylinder bodies, wherein the cylinder bodies are provided with two groups, two corresponding strip-shaped holes are formed in the top of the test bed, slide rails corresponding to the strip-shaped holes are fixedly connected to the bottom of the test bed, slide grooves matched with the slide rails are formed in the outer side surface of the cylinder body, the cylinder body is connected to the inside of the slide rails in a sliding mode through the slide grooves, and the two groups of cylinder bodies are respectively positioned under the corresponding strip-shaped holes; the inside activity of cylinder body is pegged graft have with bar hole assorted gangbar the inside of cylinder body still is equipped with limiting plate and first compression spring, the upper end of gangbar passes the bar hole and extends to bar hole top, and the lower extreme passes the bottom of limiting plate and cylinder body in proper order and extends to the cylinder body outside, first compression spring cup joints in the outside of gangbar, its lower extreme with the limiting plate contacts to be connected the upper portion of gangbar is equipped with removable splint, is formed with the accommodation space between two adjacent splint, through the accommodation space is used for the centre gripping to treat experimental sample panel.
Furthermore, the auxiliary device for the Vickers hardness test is characterized in that a rubber pad is bonded to the bottom of the clamping plate, and anti-skid grains are arranged at the bottom of the rubber pad.
Furthermore, according to the auxiliary device for the Vickers hardness test, an opening corresponding to the clamping plate is formed in one side, close to the accommodating space, of the upper end of the linkage rod, and the clamping plate is inserted into the linkage rod through the opening.
Furthermore, the auxiliary device for the Vickers hardness test is characterized in that a protruding block is fixedly connected to the top of the inner side of the opening, and a limiting groove matched with the protruding block is formed in the top of the clamping plate.
Furthermore, the auxiliary device for the Vickers hardness test is characterized in that a through hole matched with the linkage rod is further formed in the top of the clamping plate, the linkage rod penetrates through the through hole in the clamping plate and extends to the outer side of the clamping plate, and one inner side face of the through hole is inserted into the opening in the linkage rod.
Further, the auxiliary device for the Vickers hardness test is characterized in that a spring groove perpendicular to the sliding groove is formed in the top of the sliding groove, a second compression spring is arranged inside the spring groove, the lower end of the second compression spring is movably connected with a steel ball, and the steel ball is in contact connection with a sliding rail located in the sliding groove.
Furthermore, according to the auxiliary device for the Vickers hardness test, the two side faces of the limiting plate are fixedly connected with the guide blocks, the inner side of the cylinder body is provided with the guide grooves matched with the guide blocks, and the guide blocks are connected inside the guide grooves in the cylinder body in a sliding mode.
Compared with the prior art, the auxiliary device for the Vickers hardness test has the beneficial effects that: because two corresponding strip-shaped holes are arranged on the test bed, the two groups of cylinder bodies are respectively positioned under the corresponding strip-shaped holes; the test device comprises a cylinder body, a linkage rod, a limiting plate and a first compression spring, wherein the linkage rod is movably inserted into the cylinder body and matched with a strip-shaped hole, the limiting plate and the first compression spring are further arranged in the cylinder body, the first compression spring is sleeved outside the linkage rod, the lower end of the first compression spring is in contact connection with the limiting plate, a replaceable clamping plate is arranged at the upper part of the linkage rod, an accommodating space is formed between every two adjacent clamping plates, and the accommodating space is used for clamping a sample plate to be tested; through the first compression spring extrusion splint in the cylinder body, can fix sample panel on the test bench, made things convenient for sample panel's fixed, also made things convenient for the fixed use of different width sample panels simultaneously, conveniently adjusted clamp plate's position has practiced thrift the time of centre gripping, improves test detection's efficiency, has simple structure, and processing and cost of manufacture are low, convenient operation, and its practicality is strong, is favorable to popularizing and applying.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side sectional view of the structure of FIG. 1; (ii) a
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic structural view of a connecting portion between the clamping plate and the linkage rod in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a connection part between the clamping plate and the linkage rod in embodiment 2 of the present invention.
Shown in the figure: 1-a test bed, 2-a slide rail, 3-a cylinder body, 4-a chute, 5-a strip-shaped hole, 6-a linkage rod, 7-a limiting plate, 8-a first compression spring, 9-a clamping plate, 10-an opening, 11-a bump, 12-a limiting groove, 13-a rubber pad, 14-a spring groove, 15-a second compression spring, 16-a steel ball, 17-a guide block, 18-a guide groove and 19-a through hole.
Detailed Description
To further illustrate the concepts of the present invention, embodiments of the present invention will be described in further detail below with reference to the following drawings:
example 1
As shown in fig. 1 to 4, the vickers hardness test auxiliary device comprises a test bed 1, cylinder bodies 3 and a replaceable clamping plate 9, wherein the cylinder bodies 3 are provided with two groups, the top of the test bed 1 is provided with two corresponding strip-shaped holes 5, the bottom of the test bed 1 is fixedly connected with slide rails 2 corresponding to the strip-shaped holes 5, the outer side surfaces of the cylinder bodies 3 are provided with slide grooves 4 matched with the slide rails 2, the cylinder bodies 3 are slidably connected to the inside of the slide rails 2 through the slide grooves 4, the two groups of cylinder bodies 3 are respectively positioned under the corresponding strip-shaped holes 5, and the cylinder bodies 3 can conveniently move in the slide rails 2 through the arranged slide rails 2 so as to adjust the position of the clamping plate 9; a linkage rod 6 matched with the strip-shaped hole 5 is movably inserted into the cylinder body 3, a limiting plate 7 and a first compression spring 8 are further arranged inside the cylinder body 3, the upper end of the linkage rod 6 penetrates through the strip-shaped hole 5 and extends to the upper side of the strip-shaped hole 5, the lower end of the linkage rod sequentially penetrates through the limiting plate 7 and the bottom of the cylinder body 3 and extends to the outer side of the cylinder body 3, the first compression spring 8 is sleeved outside the linkage rod 6, the lower end of the first compression spring is in contact connection with the limiting plate 7, and a replaceable clamping plate 9 is arranged at the upper part of the linkage rod 6; an accommodating space is formed between every two adjacent clamping plates 9 and is used for clamping a sample plate to be tested.
Further, the auxiliary device for the vickers hardness test is characterized in that a spring groove 14 perpendicular to the sliding groove 4 is formed in the top of the sliding groove 4, a second compression spring 15 is arranged inside the spring groove 14, the lower end of the second compression spring 15 is movably connected with a steel ball 16, and the steel ball 16 is in contact connection with the sliding rail 2 located in the sliding groove 4. The two side surfaces of the limiting plate 7 are fixedly connected with guide blocks 17, the inner side of the cylinder body 3 is provided with guide grooves 18 matched with the guide blocks 17, and the guide blocks 17 are slidably connected inside the guide grooves 18 in the cylinder body 3.
Furthermore, the auxiliary device for the Vickers hardness test is characterized in that an opening 10 corresponding to the clamping plate 9 is formed in one side, close to the accommodating space, of the upper end of the linkage rod 6, and the clamping plate 9 is inserted into the linkage rod 6 through the opening 10; and a convex block 11 is fixedly connected to the top of the inner side of the opening 10, and a limit groove 12 matched with the convex block 11 is formed at the top of the clamping plate 9. According to the width of sample panel, conveniently change splint 9, insert opening 10's inboard with splint 9, protruding piece 11 can be inserted in the spacing groove 12 at splint 9 top, and protruding piece 11 sets up to hemispherical structure to there is rubber pad 13 in the bottom bonding of splint 9, the bottom of rubber pad 13 is equipped with anti-skidding line, does benefit to the frictional force that improves splint 9 and sample panel.
Example 2
As shown in fig. 5, different from embodiment 1, an opening 10 is formed in one side of an upper end of the linkage rod 6, the clamping plate 9 is inserted into the opening 10, a through hole 19 matched with the linkage rod 6 is formed in the top of the clamping plate 9, the linkage rod 6 passes through the through hole 19 in the clamping plate 9 and extends to the outer side of the clamping plate 9, and one inner side surface of the through hole 19 is inserted into the opening 10 in the linkage rod 6. When the clamping plate 9 is replaced, the clamping plate 9 is sleeved outside the linkage rod 6 through the through hole 19, and then the clamping plate 9 is pushed to be inserted into the opening 10, so that the clamping plate 9 is limited on the linkage rod 6.
The Vickers hardness test auxiliary device provided by the invention has the working principle that: during the use, according to sample panel's width, change splint 9 earlier, then two sets of cylinder bodies 3 in the movable slide rail 2, so that adjust splint 9's position, after the shift position is confirmed, upwards promote the gangbar 6 in the cylinder body 3 earlier, drive splint 9 and move up, then place sample panel in the bottom of splint 9, splint 9 can be extruded to first compression spring 8 in the cylinder body 3, hold sample panel through splint 9, so that fix sample panel on test bench 1, the centre gripping that has made things convenient for sample panel is fixed.
By adopting the auxiliary device for the Vickers hardness test, the clamping plate 9 is extruded by the first compression spring 8 in the cylinder body 3, so that the sample plate can be fixed on the test bed 1, the fixing of the sample plate is facilitated, the fixing and the use of the sample plates with different widths are facilitated, the position of the clamping plate is conveniently adjusted, the clamping time is saved, and the efficiency of the detection test is improved. The auxiliary device has the advantages of simple structure, low processing and manufacturing cost, convenient operation and strong practicability, and is favorable for popularization and application.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a experimental auxiliary device of vickers hardness, including test bench (1) and cylinder body (3), cylinder body (3) are equipped with two sets ofly, its characterized in that: the testing device is characterized in that two corresponding strip-shaped holes (5) are formed in the top of the test bed (1), sliding rails (2) corresponding to the strip-shaped holes (5) are fixedly connected to the bottom of the test bed (1), sliding grooves (4) matched with the sliding rails (2) are formed in the outer side faces of the cylinder bodies (3), the cylinder bodies (3) are connected to the inner portions of the sliding rails (2) in a sliding mode through the sliding grooves (4), and the two groups of cylinder bodies (3) are located under the corresponding strip-shaped holes (5) respectively; the inside activity of cylinder body (3) is pegged graft have with bar hole (5) assorted gangbar (6) the inside of cylinder body (3) still is equipped with limiting plate (7) and first compression spring (8), the upper end of gangbar (6) is passed bar hole (5) and is extended to bar hole (5) top, and the lower extreme passes the bottom of limiting plate (7) and cylinder body (3) in proper order and extends to the cylinder body (3) outside, first compression spring (8) cup joint in the outside of gangbar (6), its lower extreme with limiting plate (7) contact and connect the upper portion of gangbar (6) is equipped with removable splint (9), is formed with the accommodation space between two adjacent splint (9), through the accommodation space is used for the centre gripping to treat experimental sample panel.
2. The vickers hardness test assisting apparatus according to claim 1, wherein: the bottom of the clamping plate (9) is bonded with a rubber pad (13), and the bottom of the rubber pad (13) is provided with anti-skid grains.
3. The vickers hardness test assisting apparatus according to claim 1, wherein: an opening (10) corresponding to the clamping plate (9) is formed in one side, close to the accommodating space, of the upper end of the linkage rod (6), and the clamping plate (9) is inserted into the linkage rod (6) through the opening (10).
4. The vickers hardness test assisting apparatus according to claim 3, wherein: the top of the inner side of the opening (10) is also fixedly connected with a convex block (11), and the top of the clamping plate (9) is provided with a limit groove (12) matched with the convex block (11).
5. The vickers hardness test assisting apparatus according to claim 3, wherein: the top of the clamping plate (9) is also provided with a through hole (19) matched with the linkage rod (6), the linkage rod (6) penetrates through the through hole (19) in the clamping plate (9) and extends to the outer side of the clamping plate (9), and one inner side face of the through hole (19) is inserted into the opening (10) in the linkage rod (6).
6. The vickers hardness test assisting apparatus according to claim 1, wherein: the top of the sliding groove (4) is provided with a spring groove (14) which is vertical to the sliding groove (4), a second compression spring (15) is arranged inside the spring groove (14), the lower end of the second compression spring (15) is movably connected with a steel ball (16), and the steel ball (16) is in contact connection with a sliding rail (2) which is positioned in the sliding groove (4).
7. The vickers hardness test assisting apparatus according to claim 1, wherein: the two side faces of the limiting plate (7) are fixedly connected with guide blocks (17), the inner side of the cylinder body (3) is provided with guide grooves (18) matched with the guide blocks (17), and the guide blocks (17) are connected to the inside of the guide grooves (18) in the cylinder body (3) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563488.9A CN113267414A (en) | 2021-05-24 | 2021-05-24 | Vickers hardness test auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563488.9A CN113267414A (en) | 2021-05-24 | 2021-05-24 | Vickers hardness test auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113267414A true CN113267414A (en) | 2021-08-17 |
Family
ID=77232381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110563488.9A Pending CN113267414A (en) | 2021-05-24 | 2021-05-24 | Vickers hardness test auxiliary device |
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| CN (1) | CN113267414A (en) |
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| CN210513901U (en) * | 2019-06-05 | 2020-05-12 | 智迈德股份有限公司 | Building material intensity detection device convenient to dismouting |
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| CN212179731U (en) * | 2020-06-03 | 2020-12-18 | 镇江华平机械有限公司 | Detection device convenient to locate for bearing detection |
| CN112461514A (en) * | 2020-10-30 | 2021-03-09 | 苏州工业园区职业技术学院 | A withstand voltage testing arrangement for panel computer surface screen |
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