CN115014609A - Test platform for axle residual stress detection and use method - Google Patents
Test platform for axle residual stress detection and use method Download PDFInfo
- Publication number
- CN115014609A CN115014609A CN202210634335.3A CN202210634335A CN115014609A CN 115014609 A CN115014609 A CN 115014609A CN 202210634335 A CN202210634335 A CN 202210634335A CN 115014609 A CN115014609 A CN 115014609A
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- CN
- China
- Prior art keywords
- axle
- residual stress
- plate
- test platform
- polytetrafluoroethylene
- Prior art date
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 12
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 34
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 34
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 210000003739 neck Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000691 measurement method Methods 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
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a test platform for detecting residual stress of an axle. The test platform consists of two tool trolleys with the same structure; the tooling trolley has the following structure: the polytetrafluoroethylene plate and the magnetic conduction plate are both of a V-shaped structure, and the polytetrafluoroethylene plate is superposed above the magnetic conduction plate; the magnetic base is positioned below the magnetic conduction plate; the magnetic base has two states of locking and rotating. The invention also discloses a using method of the test platform. By using the platform, the axle to be tested can freely and conveniently realize the conversion between the locking state and the rotatable state, thereby realizing the multipoint residual stress rapid detection. The test platform for detecting the residual stress of the axle has the characteristics of simple structure, small occupied area, convenience in use, low manufacturing cost and the like.
Description
Technical Field
The invention relates to a detection device for mechanical properties of an object, in particular to a test platform for detecting residual stress of an axle and a using method thereof.
Background
As is known, the residual stress is an important cause of workpiece deformation, fracture and fatigue life, and is essential for ensuring the yield and precision of workpiece production and detecting the residual stress. The residual stress detection method mainly comprises a blind hole method, a magnetic measurement method and an X-ray method.
At present, in the field of residual stress detection, an economical and efficient platform for axle residual stress detection is not available.
Disclosure of Invention
The invention aims to provide a test platform for detecting residual stress of an axle. The test platform.
In order to achieve the purpose, the invention adopts the following technical scheme:
a test platform for detecting residual stress of an axle is composed of two tool trolleys with the same structure; the tooling trolley has the following structure:
the polytetrafluoroethylene plate and the magnetic conduction plate are both of a V-shaped structure, and the polytetrafluoroethylene plate is superposed above the magnetic conduction plate;
the magnetic base is positioned below the magnetic conduction plate; the magnetic base has two states of locking and rotating.
When the device is used, the axle to be tested is used as a sample to be tested and is arranged above the polytetrafluoroethylene plate.
Further, the polytetrafluoroethylene plate has multiple thicknesses and is replaceable.
Furthermore, the tool trolley is also provided with a steel plate with holes, the upper part of the steel plate is provided with a groove, and the middle of the steel plate is provided with a hole; the steel plate with the holes is connected with the polytetrafluoroethylene plate through connecting bolts and connecting nuts.
Further, the tool trolley is provided with a plurality of lockable wheels.
Furthermore, a plurality of reinforcing ribs are welded on the tooling trolley.
The functions of the components are as follows:
(1) axle to be tested (locked state): the axle sample to be measured is in a locked state and cannot freely rotate and axially move.
(2) Magnetic conductive plate: the V-shaped structure conducts the magnetic force generated by the magnetic base, so that the axle can be switched between a locking state and a rotating state.
(3) Magnetic base: magnetic force is generated through the knob and is transmitted to the axle through the magnetic conduction plate. The magnetic base has two states of locking and rotating. The knob of the magnetic base is operated to enable the axle to be tested to be in a locked state or a rotatable state.
(4) Polytetrafluoroethylene plate: the V-shaped structure has smooth surface and is arranged above the magnetic conduction plate, so that the axle can rotate to the position to be measured. The polytetrafluoroethylene plates can be made into different thicknesses, and the polytetrafluoroethylene plates with different thicknesses can be freely matched on the two tool trolleys to realize the horizontal placement of the axle.
(5) Steel plates with holes: the steel sheet is narrow from top to bottom wide, improves the overall stability of structure, and it can reduce the dead weight to open four holes in the centre, makes things convenient for the removal and the dismantlement of platform, and the recess is opened on steel sheet upper portion, installs two steelframes on each frock dolly.
(6) The lockable wheel: each tool trolley is provided with a plurality of lockable wheels (usually four lockable wheels) so as to realize the functions of moving, fixing and the like of the experiment platform.
(7) Reinforcing ribs: each tool trolley is welded with a plurality of reinforcing ribs, usually three reinforcing ribs. The reinforcing rib forms spatial structure, improves test platform's stability.
(8) Connecting a nut: the connection between the steel plate with the holes and the polytetrafluoroethylene plate is realized.
(9) Connecting bolts: the connection between the steel plate with the holes and the polytetrafluoroethylene plate is realized.
(10) Axle to be tested (rotatable state): the axle sample to be measured is in a rotatable state at the moment and can rotate freely.
The invention also provides a using method of the test platform, which comprises the following steps:
when the vehicle rotates, relatively small sliding friction force exists between the axle and the polytetrafluoroethylene plate;
and 7, after the test is finished, rotating the knob of the magnetic base, repeating the step 4 and the step 5, detecting the residual stress of the next point, and when the axle rotates, enabling the magnetic base to be in a rotatable state.
The invention has the beneficial effects that:
(1) the axle to be tested can freely and conveniently realize the conversion between the locking state and the rotatable state, thereby realizing the rapid detection of the residual stress of multiple points;
(2) has the characteristics of simple structure, small occupied area, convenient use, low manufacturing cost and the like;
(3) the axle can be detected at a proper height;
(4) the detection of axles with different sizes can be realized by the grooves of the polytetrafluoroethylene plate and the tool trolley with the adjustable space, and the application range is wide;
(5) the polytetrafluoroethylene plate and other parts can be detached and replaced after deformation or abrasion, and the test platform can be effectively utilized for a long time.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial view of fig. 1, which is a partial structural schematic diagram of the axle to be tested in a locked state.
Fig. 3 is another partial view of fig. 1, which is a partial structural view of the axle to be tested in a rotatable state.
Description of reference numerals: 1. axle to be tested (locked state); 2. a magnetic conductive plate; 3. a magnetic base; 4. a polytetrafluoroethylene sheet; 5. a steel plate with holes; 6. a lockable wheel; 7. reinforcing ribs; 8. a connecting nut; 9. a connecting bolt; 10. axle to be tested (rotatable).
Detailed Description
Example 1: test platform
In fig. 1, the left half is a front view of the structure of the present invention, and the right half is a side view of the structure of the present invention. As shown in fig. 1 to 3, the test platform for axle residual stress detection of the present invention is composed of two tooling trolleys with the same structure; the tooling trolley has the following structure:
the polytetrafluoroethylene plate 4 and the magnetic conduction plate 2 are both of a V-shaped structure, and the polytetrafluoroethylene plate 4 is superposed above the magnetic conduction plate 2;
the magnetic base 3 is positioned below the magnetic conduction plate 2;
the magnetic base 3 has two states of locking and rotating.
When in use, the axle 1 to be tested is used as a sample to be tested and is arranged above the polytetrafluoroethylene plate 4.
The teflon plate 4 has a plurality of thicknesses and is replaceable.
The tool trolley is also provided with a steel plate 5 with holes, the upper part of the steel plate 5 is provided with a groove, and the middle part of the steel plate is provided with four holes; the steel plate 5 with holes is connected with the polytetrafluoroethylene plate 4 through a connecting bolt 9 and a connecting nut 8.
The tool trolley is provided with four lockable wheels 6.
Three reinforcing ribs 7 are welded on the tooling trolley.
Example 2: method of use
The operation steps of using the test platform for axle residual stress detection described in example 1 are as follows:
and 7, after the test is finished, rotating the knob of the magnetic base 3, repeating the step 4 and the step 5, and detecting the residual stress of the next point, wherein when the axle 10 rotates, the magnetic base is in a rotatable state as shown in fig. 3.
The test platform for detecting axle residual stress and the using method thereof according to the present invention are described in detail above, and the principle and the implementation manner of the present invention are explained in the present document by applying specific examples, and the description of the above examples is only used to help understanding the scheme and the core idea of the present invention. It should be noted that the present invention is not limited to the above-described exemplary embodiments, and those skilled in the art can make various changes and modifications without departing from the scope or spirit of the present invention. Meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific implementation and the application range may be changed; accordingly, in view of the above, this summary should not be construed as limiting the invention.
Claims (6)
1. A test platform for detecting residual stress of an axle is characterized by comprising two tool trolleys with the same structure; the tooling trolley has the following structure:
the polytetrafluoroethylene plate and the magnetic conduction plate are of a V-shaped structure, and the polytetrafluoroethylene plate is superposed above the magnetic conduction plate;
the magnetic base is positioned below the magnetic conduction plate; the magnetic base has two states of locking and rotating.
2. The test platform for axle residual stress detection according to claim 1, wherein the polytetrafluoroethylene plate has a plurality of thicknesses and is replaceable.
3. The test platform for detecting the residual stress of the axle according to claim 1, wherein the tool trolley is further provided with a steel plate with a hole, the upper part of the steel plate is provided with a groove, and the middle part of the steel plate is provided with a hole; the steel plate with the holes is connected with the polytetrafluoroethylene plate through connecting bolts and connecting nuts.
4. The test platform for detecting the residual stress of the axle according to claim 1, wherein the tool trolley is provided with a plurality of lockable wheels.
5. The test platform for detecting the residual stress of the axle according to claim 1, wherein a plurality of reinforcing ribs are welded on the tooling trolley.
6. Use of a test platform according to any of claims 1 to 5, characterized in that it comprises the following steps:
step 1, mounting a polytetrafluoroethylene plate on two tool trolleys, and pushing the two tool trolleys to move to proper positions;
step 2, using a forklift to lift the axle, properly adjusting the positions of the trolleys, placing shaft necks at two ends of the axle on polytetrafluoroethylene plates of the two trolleys, and locking lockable wheels of the tooling trolley;
step 3, observing whether the axle is horizontal by using a horizontal test block, and if not, replacing polytetrafluoroethylene plates with different thicknesses;
step 4, rotating the axle to a proper test position;
step 5, after the axle rotates to a proper position, the knob of the magnetic base is rotated to lock the axle, and the magnetic base is in a locking state at the moment;
step 6, detecting the residual stress of the axle test point by using a blind hole method;
and 7, after the test is finished, rotating the knob of the magnetic base, repeating the step 4 and the step 5, detecting the residual stress of the next point, and when the axle rotates, enabling the magnetic base to be in a rotatable state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210634335.3A CN115014609A (en) | 2022-06-07 | 2022-06-07 | Test platform for axle residual stress detection and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210634335.3A CN115014609A (en) | 2022-06-07 | 2022-06-07 | Test platform for axle residual stress detection and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115014609A true CN115014609A (en) | 2022-09-06 |
Family
ID=83073115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210634335.3A Pending CN115014609A (en) | 2022-06-07 | 2022-06-07 | Test platform for axle residual stress detection and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115014609A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060197372A1 (en) * | 2005-03-04 | 2006-09-07 | Hendrickson Usa, L.L.C. | Raised-center axle and process for forming |
| KR20110057475A (en) * | 2009-11-24 | 2011-06-01 | (주)프론틱스 | Apparatus for indentation test involving micom and evaluating method of residual stress using the same |
| CN204613399U (en) * | 2015-04-13 | 2015-09-02 | 田陆 | The stationary installation of laser range finder |
| CN205218121U (en) * | 2013-04-19 | 2016-05-11 | 米沃奇电动工具公司 | Magnetic force drilling machine |
| JP2017094930A (en) * | 2015-11-24 | 2017-06-01 | 株式会社ユーシン | Steering lock device |
| CN207675349U (en) * | 2018-01-02 | 2018-07-31 | 天津工业大学 | A kind of precision rack residual stress detecting system |
| CN209764305U (en) * | 2019-01-23 | 2019-12-10 | 王文帅 | Positioning device for detecting stress of steel rail |
| JP2020059996A (en) * | 2018-10-05 | 2020-04-16 | 株式会社ゴール | Electric lock control system |
| CN214010163U (en) * | 2020-12-24 | 2021-08-20 | 山东省冶金科学研究院有限公司 | Special measuring device for guaranteeing residual deformation of load test by bolts |
| CN113624790A (en) * | 2021-08-11 | 2021-11-09 | 马鞍山钢铁股份有限公司 | Axle surface residual stress evaluation method and detection device |
-
2022
- 2022-06-07 CN CN202210634335.3A patent/CN115014609A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060197372A1 (en) * | 2005-03-04 | 2006-09-07 | Hendrickson Usa, L.L.C. | Raised-center axle and process for forming |
| KR20110057475A (en) * | 2009-11-24 | 2011-06-01 | (주)프론틱스 | Apparatus for indentation test involving micom and evaluating method of residual stress using the same |
| CN205218121U (en) * | 2013-04-19 | 2016-05-11 | 米沃奇电动工具公司 | Magnetic force drilling machine |
| CN204613399U (en) * | 2015-04-13 | 2015-09-02 | 田陆 | The stationary installation of laser range finder |
| JP2017094930A (en) * | 2015-11-24 | 2017-06-01 | 株式会社ユーシン | Steering lock device |
| CN207675349U (en) * | 2018-01-02 | 2018-07-31 | 天津工业大学 | A kind of precision rack residual stress detecting system |
| JP2020059996A (en) * | 2018-10-05 | 2020-04-16 | 株式会社ゴール | Electric lock control system |
| CN209764305U (en) * | 2019-01-23 | 2019-12-10 | 王文帅 | Positioning device for detecting stress of steel rail |
| CN214010163U (en) * | 2020-12-24 | 2021-08-20 | 山东省冶金科学研究院有限公司 | Special measuring device for guaranteeing residual deformation of load test by bolts |
| CN113624790A (en) * | 2021-08-11 | 2021-11-09 | 马鞍山钢铁股份有限公司 | Axle surface residual stress evaluation method and detection device |
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