CN109696353B - Material strength testing device for product design - Google Patents
Material strength testing device for product design Download PDFInfo
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- CN109696353B CN109696353B CN201910092922.2A CN201910092922A CN109696353B CN 109696353 B CN109696353 B CN 109696353B CN 201910092922 A CN201910092922 A CN 201910092922A CN 109696353 B CN109696353 B CN 109696353B
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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
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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
- G01N3/56—Investigating resistance to wear or abrasion
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- General Health & Medical Sciences (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application provides a material strength testing arrangement for product design includes: the box body is internally provided with a fixed shaft and an installation shaft, and the installation shaft is divided into a first cantilever shaft and a second cantilever shaft through a fracture; the strength detection modules are sleeved on the first cantilever shaft and comprise swing rods and detection wheels arranged on the swing rods, and one ends of the swing rods are detachably connected with the box body through elastic pieces; the self-locking driving modules are sleeved on the fixed shaft and are arranged in one-to-one correspondence with the strength detection modules; and the pushing assembly is arranged on the second cantilever shaft and limits all the strength detection modules on the first cantilever shaft. The application provides a material strength testing arrangement for product design, measurement accuracy is high, the measurement is stable, convenient to use, the accurate measurement of being convenient for.
Description
Technical Field
The invention relates to a testing device, in particular to a material strength testing device for product design.
Background
When a product with special requirements on quality or specific functions is produced, materials with corresponding strength need to be selected for use, so that the most suitable material can be selected after strength tests are performed on multiple materials which possibly meet the conditions before the materials are selected, however, a common testing mechanism is complex in structure, high in testing difficulty and long in time consumption; or simple structure, measurement accuracy is poor.
Chinese patent CN206410951U discloses a material strength testing device for product design, and relates to the technical field of material strength detection. It comprises a shell; a handle is fixedly arranged on the upper part of the shell; the lower end of the shell is sequentially provided with a positioning groove and a mounting groove from front to back; a strength detection device is arranged in the positioning groove; a photoelectric sensor is fixedly arranged in the mounting groove; the strength detection device comprises a connecting rod which is arranged in the positioning groove in the vertical direction; the left side and the right side of the lower end of the connecting rod are respectively and fixedly connected with a bearing plate; one of the bearing plates is fixedly connected with a low-speed motor; the output end of the low-speed motor horizontally penetrates through the two bearing plates and is connected with the bearing plates in a rotating mode. The utility model has the advantages that: the device can effectively measure the strength of materials, and has the advantages of high measurement precision, good effect, simple structure, convenient use, short time consumption and wide application range. This application includes intensity detection ring, intensity detection ring comprises the material that intensity increases gradually, intensity detection ring is rotatory during the measurement, whether utilize intensity detection ring rotation and material contact to produce the nick to the material and judge the intensity of material, the less material of intensity can receive wearing and tearing after the repetitious usage, can make intensity detection ring take place to warp, intensity detection ring will appear the atress inhomogeneous and influence the rotational stability that intensity detection ring took place when rotatory, therefore can make the detection precision low, and need carry out the whole change to intensity detection ring, because the settlement of intensity detection ring can not change, when the intensity value of needs accurate material, this application can not realize, it is inconvenient to use. In summary, how to develop a testing device which is convenient to use, has high measurement accuracy, and is suitable for accurately measuring the strength of a material is a problem that needs to be solved urgently by a person skilled in the art.
Disclosure of Invention
The invention aims to provide a material strength testing device for product design, which overcomes the defects of low measurement precision, material waste, unsuitability for precise measurement and the like after long-time use.
In order to solve the technical problems, the invention provides the following technical scheme:
a material strength testing device for product design, comprising:
the device comprises a box body, a first cantilever shaft and a second cantilever shaft, wherein a fixed shaft and an installation shaft are arranged in the box body, and the installation shaft is divided into the first cantilever shaft and the second cantilever shaft through a fracture;
the strength detection modules are sleeved on the first cantilever shaft and comprise a swing rod and detection wheels arranged on the swing rod, and one end of the swing rod is detachably connected with the box body through an elastic piece;
the self-locking driving modules are sleeved on the fixed shaft and are arranged in one-to-one correspondence with the strength detection modules;
a biasing assembly disposed on the second cantilevered shaft, the biasing assembly defining all of the intensity detection modules on the first cantilevered shaft.
Furthermore, the elastic part comprises a supporting plate, an S elastic plate and a connecting plate which are sequentially connected, wherein a T-shaped block is arranged on the outer side surface of the supporting plate, and the T-shaped block is in sliding connection with a T-shaped limiting groove on the box body.
Furthermore, a motor is arranged on the swing rod, and the detection wheel is connected to an output shaft of the motor through a detachable coupling.
Furthermore, the detachable coupling comprises a connecting shaft, two ends of a cylindrical barrel of the connecting shaft are respectively provided with a conical barrel, each conical barrel is respectively provided with a plurality of notches to divide the conical barrel into a plurality of elastic arms, and the conical barrels are connected with corresponding nut sleeves to enable the elastic arms to be connected with corresponding mandrels in an extrusion manner.
Furthermore, a plurality of convex keys are arranged on the inner side surface of each elastic arm and embedded in the corresponding U-shaped key grooves of the corresponding mandrel.
Furthermore, the self-locking driving module comprises a cam sleeved on the fixed shaft, a shifting lever positioned on the cam penetrates through the box body to extend outwards, a plurality of limiting holes are formed in the cam, and corresponding locking rods arranged on the box body in a sliding mode are inserted into the corresponding limiting holes under the action of the self-locking springs.
Furthermore, the cam is embedded in the arc-shaped groove of the swing rod when being pressed on the swing rod.
Furthermore, the pushing and pressing assembly comprises an extrusion spring and a shaft sleeve which are sleeved on the second cantilever shaft, and the shaft sleeve is abutted against the swing rod on the outermost side under the action of the extrusion spring.
Furthermore, an L-shaped window is arranged on the box body, the upper end of the swing rod is located in the box body, the lower end of the swing rod penetrates through a transverse window of the L-shaped window and is located outside the box body, and the detection wheel is located at the lower end of the swing rod.
According to the technical scheme, the invention has the following beneficial effects:
because the plurality of strength detection modules are arranged independently and work independently through the corresponding self-locking driving modules, the plurality of strength detection modules are used for measuring materials with completely unknown strength at the same time, and the corresponding groups of strength detection modules are used for measuring materials with the strength within a certain range at the same time, so that the abrasion of the strength detection modules with lower strength is avoided, the contact force between each strength detection module and the materials is basically the same, and the measurement precision is high;
because the plurality of strength detection modules are sleeved on the first cantilever shaft, and the pushing assembly limits all the strength detection modules on the first cantilever shaft, the strength detection modules can be replaced, and accurate measurement is facilitated;
because the detection wheel can be dismantled and connect, therefore can polish once more or change, improve measurement accuracy.
The invention is described in further detail below with reference to the figures and the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic view of an installation structure of a detection wheel of the strength detection module of the present invention.
Fig. 4 is a schematic structural view of a connecting shaft of the coupling for connecting the detection wheel according to the present invention.
Fig. 5 is a schematic structural view of the elastic member of the strength detection module according to the present invention.
Description of reference numerals: the device comprises a box body 1, a fixed shaft 11, a first cantilever shaft 12, a T-shaped limiting groove 13, an L-shaped window 14, a handle 15, a second cantilever shaft 16, a strength detection module 2, a swing rod 21, a mounting groove 211, an arc-shaped groove 22, an elastic piece 23, a support plate 231, a T-shaped block 232, an S elastic plate 233, a connecting plate 234, a motor 24, a detection wheel 25, a detachable coupling 26, a connecting shaft 261, a cylindrical barrel 2611, a notch 2612, an elastic arm 2613, a convex key 2614, a nut sleeve 262, a self-locking driving module 3, a cam 31, a shift lever 311, a limiting hole 312, a lock rod 32, a self-locking spring 33, a tension spring 34, an extrusion spring 4 and a shaft sleeve.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1 to 5, the present application will be further explained, and a material strength testing apparatus for product design shown in fig. 1 and 2 includes: the device comprises a box body 1, a plurality of strength detection modules 2, a plurality of self-locking driving modules 3 and a pushing and pressing assembly, wherein a fixed shaft 11 and an installation shaft are arranged in the box body 1, the installation shaft is divided into a first cantilever shaft 12 and a second cantilever shaft 16 through a fracture, a handle 15 is arranged at the top of the box body 1, an L-shaped window 14 penetrating through the side wall of the box body 1 is arranged on the front end face of the box body 1, the installation shaft is arranged corresponding to the L-shaped window 14, and a vertical groove of the L-shaped window 14 is arranged corresponding to the second cantilever shaft 16; the strength detection modules 2 are mutually independent and sleeved on the first cantilever shaft 12; the self-locking driving modules 3 are sleeved on the fixed shaft 11, the self-locking driving modules 3 and the strength detection modules 2 are arranged in a one-to-one correspondence mode, and the corresponding strength detection modules 2 can be used for working simultaneously during measurement, so that unnecessary abrasion and waste are avoided, and the contact force between each strength detection module 2 and a material is the same; the pushing assembly is arranged on the second cantilever shaft 16, all the strength detection modules 2 are limited on the first cantilever shaft 12 by the pushing assembly, and when the pushing assembly is loosened, the strength detection modules 2 can be slid to the fracture of the installation shaft to be taken down or installed, so that the strength detection modules 2 can be replaced and adjusted conveniently, and the strength of materials can be measured accurately.
As shown in fig. 1, 2 and 3, the strength detection module 2 includes a swing link 21 and a detection wheel 25, the swing link 21 is sleeved on the first cantilever shaft 12, the upper end of the swing link 21 is detachably connected to the box 1 through an elastic member 23, a motor 24 is disposed at the lower end of the swing link 21, the inner shaft of the detection wheel 25 is connected to the output shaft of the motor 24 through a detachable coupling 26, the detection wheel 25 and the output shaft of the motor 24 can be fixed together by a pin or a screw, each motor 24 is independently connected to a controller and a power supply, the detection wheel 25 is located in an installation groove 211 of the swing link 21, the outer shaft of the detection wheel 25 is erected in a support groove of the swing link 21 to prevent the inner shaft from deforming under stress, the upper end of the swing link 21 is located in the box 1, the lower end of the swing link 21 passes through a transverse window of the L-shaped window 14 and is located outside the box 1, the detection wheel 25 is convenient to disassemble and assemble for polishing or replacement, wherein the detection wheel 25 is made of materials with the same strength, so that the circumferential abrasion of the detection wheel 25 is the same, when the detection wheel 25 rotates, the detection precision is stable and reliable, a scale arranged along the radial direction is arranged on the detection wheel 25 to mark the actual diameter of the detection wheel 25, corresponding strength values are marked on each swing rod 21 and each detection wheel 25, and the error caused by staggered use is avoided.
As shown in fig. 3 and 4, the detachable coupling 26 includes a connecting shaft 261, two ends of a cylindrical tube 2611 of the connecting shaft 261 are respectively provided with a conical tube, each conical tube is provided with a plurality of notches 2612 to divide the conical tube into a plurality of elastic arms 2613, and the conical tube is connected with the corresponding nut sleeve 262 to press and connect the elastic arms 2613 with the corresponding spindle, so as to realize the detachable connection of the detection wheel 25.
As shown in fig. 4, a plurality of convex keys 2614 are disposed on the inner side surface of each elastic arm 2613, and the convex keys 2614 are embedded in the corresponding U-shaped key slots of the corresponding spindles to prevent the detection wheels 25 from slipping.
As shown in fig. 5, the elastic member 23 includes a supporting plate 231, an S-shaped elastic plate 233 and a connecting plate 234, which are connected in sequence, a T-shaped block 232 is disposed on an outer side surface of the supporting plate 231, the T-shaped block 232 is slidably connected with a T-shaped limiting groove 13 located on an inner wall of the box body 1, the elastic member 23 is used for the swing rod 21 to reset so as to lift the detection wheel 25, and the elastic member 23 may also be a spring or other elastic mechanism with telescopic property.
As shown in fig. 1, the self-locking driving module 3 includes a cam 31 sleeved on the fixed shaft 11, the cam 31 is connected with the box 1 through a tension spring 34, a shift lever 311 on the cam 31 passes through the box 1 to extend outwards, the box 1 is provided with a corresponding scale, different diameters of the detection wheel 25 correspond to different rotation angles of the cam 31, the rotation angle of the cam 31 is determined by the scale arranged on the box 1, so that the detection wheel 25 has the same force with the material contact, the cam 31 is provided with a plurality of limiting holes 312, the corresponding lock rod 32 slidably arranged on the box 1 is inserted into the corresponding limiting hole 312 under the action of the self-locking spring 33 to fix the cam 31, the cam 31 is embedded in the arc-shaped groove 22 of the swing rod 21 when abutting against the swing rod 21, so as to prevent the swing rod 21 from moving left and right in the working process to affect the measurement result, the tension spring 34 restores the cam 31.
As shown in fig. 2, the pushing and pressing component includes an extrusion spring 4 and a shaft sleeve 5 sleeved on the second cantilever shaft 16, the shaft sleeve 5 is pressed against the swing rod 21 at the outermost side under the action of the extrusion spring 4, and the pushing and pressing component may also be an adjustable bolt, a hook plate, an electric push rod or other telescopic mechanisms.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A material strength testing device for product design is characterized by comprising:
the device comprises a box body (1), wherein a fixed shaft (11) and a mounting shaft are arranged in the box body (1), and the mounting shaft is divided into a first cantilever shaft (12) and a second cantilever shaft (16) through a fracture;
the strength detection modules (2) are sleeved on the first cantilever shaft (12), each strength detection module (2) comprises a swing rod (21) and a detection wheel (25) arranged on the swing rod (21), and one end of the swing rod (21) is detachably connected with the box body (1) through an elastic piece (23);
the self-locking driving module (3) is sleeved on the fixed shaft (11), the self-locking driving module (3) and the strength detection module (2) are arranged in a one-to-one correspondence mode, the self-locking driving module (3) comprises a cam (31) sleeved on the fixed shaft (11), a shifting rod (311) located on the cam (31) penetrates through the box body (1) to extend outwards, a plurality of limiting holes (312) are formed in the cam (31), and corresponding locking rods (32) slidably arranged on the box body (1) are inserted into the corresponding limiting holes (312) under the action of self-locking springs (33);
a thrust assembly disposed on the second cantilevered shaft (16), the thrust assembly defining all of the intensity detection modules (2) on the first cantilevered shaft (12).
2. The device for testing the strength of the material for product design according to claim 1, wherein the elastic member (23) comprises a supporting plate (231), an S-shaped elastic plate (233) and a connecting plate (234) which are connected in sequence, a T-shaped block (232) is arranged on the outer side surface of the supporting plate (231), and the T-shaped block (232) is in sliding connection with a T-shaped limiting groove (13) on the box body (1).
3. The apparatus for testing strength of material for product design according to claim 1, wherein a motor (24) is provided on the swing link (21), and the detection wheel (25) is connected to an output shaft of the motor (24) through a detachable coupling (26).
4. The device for testing the strength of the material for product design according to claim 3, wherein the detachable coupling (26) comprises a connecting shaft (261), two ends of a cylindrical barrel (2611) of the connecting shaft (261) are respectively provided with a conical barrel, each conical barrel is respectively provided with a plurality of notches (2612) to divide the conical barrel into a plurality of elastic arms (2613), and the conical barrels are connected with corresponding nut sleeves (262) to enable the elastic arms (2613) to be connected with corresponding mandrels in a pressing mode.
5. The device for testing the strength of the material for product design according to claim 4, wherein each elastic arm (2613) has a plurality of convex keys (2614) on its inner side surface, and the convex keys (2614) are embedded in the corresponding U-shaped key slots of the corresponding mandrels.
6. The apparatus for testing strength of material for product design according to claim 1, wherein the cam (31) is embedded in the circular arc groove (22) of the swing link (21) when pressed against the swing link (21).
7. The device for testing the strength of the material for product design according to claim 1, wherein the pushing and pressing assembly comprises a pressing spring (4) and a shaft sleeve (5) which are sleeved on the second cantilever shaft (16), and the shaft sleeve (5) is pressed against the outermost swing rod (21) under the action of the pressing spring (4).
8. The apparatus for testing strength of material for product design according to claim 1, wherein an L-shaped window (14) is provided on the box body (1), the upper end of the swing link (21) is located inside the box body (1), the lower end of the swing link (21) is located outside the box body (1) through the transverse window of the L-shaped window (14), and the detection wheel (25) is located at the lower end of the swing link (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092922.2A CN109696353B (en) | 2019-01-30 | 2019-01-30 | Material strength testing device for product design |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092922.2A CN109696353B (en) | 2019-01-30 | 2019-01-30 | Material strength testing device for product design |
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| CN109696353A CN109696353A (en) | 2019-04-30 |
| CN109696353B true CN109696353B (en) | 2021-03-12 |
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| CN201910092922.2A Expired - Fee Related CN109696353B (en) | 2019-01-30 | 2019-01-30 | Material strength testing device for product design |
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| CN112327563A (en) * | 2020-11-13 | 2021-02-05 | 温州城市大学 | Multifunctional lens hood for digital camera |
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| CN2804845Y (en) * | 2005-06-16 | 2006-08-09 | 黄清洁 | Instrument for testing anti-fatique strength for table-wares kitchen-tools or knives |
| CN103140747A (en) * | 2010-08-06 | 2013-06-05 | Ykk株式会社 | Cloth evaluation device |
| CN203519438U (en) * | 2013-08-15 | 2014-04-02 | 北汽福田汽车股份有限公司 | Hammering device for modal test |
| CN103994934A (en) * | 2014-04-30 | 2014-08-20 | 中国船舶重工集团公司第七二五研究所 | Mechanical-linkage test machine for simultaneously performing fatigue tests on N metal samples |
| CN203981517U (en) * | 2014-07-23 | 2014-12-03 | 温州天力弹簧有限公司 | A kind of spring fatigue test device |
| CN205352881U (en) * | 2016-02-17 | 2016-06-29 | 莆田学院 | Formula sole abrasion wear test machine on foot |
| CN205941242U (en) * | 2016-07-14 | 2017-02-08 | 深圳市正冠科技有限公司 | Novel on -vehicle touch -sensitive screen strength test device |
| CN206410951U (en) * | 2017-01-16 | 2017-08-15 | 李珂 | Product design strength of materials test device |
| CN109142105A (en) * | 2018-10-11 | 2019-01-04 | 太原科技大学 | A kind of changing load shock peening experiment loading equipemtn |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE502004008082D1 (en) * | 2004-05-27 | 2008-10-30 | Grenzfurthner Johannes | Oven for baking pasta |
-
2019
- 2019-01-30 CN CN201910092922.2A patent/CN109696353B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2804845Y (en) * | 2005-06-16 | 2006-08-09 | 黄清洁 | Instrument for testing anti-fatique strength for table-wares kitchen-tools or knives |
| CN103140747A (en) * | 2010-08-06 | 2013-06-05 | Ykk株式会社 | Cloth evaluation device |
| CN203519438U (en) * | 2013-08-15 | 2014-04-02 | 北汽福田汽车股份有限公司 | Hammering device for modal test |
| CN103994934A (en) * | 2014-04-30 | 2014-08-20 | 中国船舶重工集团公司第七二五研究所 | Mechanical-linkage test machine for simultaneously performing fatigue tests on N metal samples |
| CN203981517U (en) * | 2014-07-23 | 2014-12-03 | 温州天力弹簧有限公司 | A kind of spring fatigue test device |
| CN205352881U (en) * | 2016-02-17 | 2016-06-29 | 莆田学院 | Formula sole abrasion wear test machine on foot |
| CN205941242U (en) * | 2016-07-14 | 2017-02-08 | 深圳市正冠科技有限公司 | Novel on -vehicle touch -sensitive screen strength test device |
| CN206410951U (en) * | 2017-01-16 | 2017-08-15 | 李珂 | Product design strength of materials test device |
| CN109142105A (en) * | 2018-10-11 | 2019-01-04 | 太原科技大学 | A kind of changing load shock peening experiment loading equipemtn |
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