CN108548682B - Wheel surface hardness detection positioning instrument and detection method thereof - Google Patents
Wheel surface hardness detection positioning instrument and detection method thereof Download PDFInfo
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- 210000000078 claw Anatomy 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 10
- 238000007542 hardness measurement Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/013—Wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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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
- G01N3/40—Investigating hardness or rebound hardness
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Abstract
The invention provides a wheel surface hardness detection positioning instrument applied to the technical field of wheel surface hardness detection auxiliary equipment, and also relates to a wheel surface hardness detection method, wherein a positioning instrument main scale (1) of the wheel surface hardness detection positioning instrument comprises a main scale body (2) and a positioning part (3), a positioning scale (4) is sleeved on the main scale body (2), a graduated scale (5) is arranged on the positioning scale (4), a positioning claw (6) and a positioning thimble (7) are arranged on the positioning instrument main scale (1), and the positioning claw (6) is arranged on the positioning instrument main scale (1).
Description
Technical Field
The invention belongs to the technical field of auxiliary equipment for detecting the surface hardness of a wheel, and particularly relates to a wheel surface hardness detection positioning instrument and a wheel surface hardness detection method.
Background
The hardness of the surface of the wheel is an important index for measuring the quality of the wheel, and the measurement accuracy degree and the detection position have strong correlation. Therefore, in the measurement of the wheel surface hardness, it is necessary to determine the measurement position. In the existing wheel surface hardness detection equipment, it is difficult to accurately determine the detection position of a wheel and ensure the consistency of the positions of different wheels during detection, a great deal of process time is required to be consumed, and in order to realize the rapid positioning of the wheel surface hardness detection position, ensure the consistency of the detection position, and detect the accuracy of the measurement position, a positioning equipment capable of accurately performing the wheel surface hardness detection is required. There is no such hardness testing positioning device in the prior art.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects of the prior art, the wheel surface hardness detection positioning instrument is simple in structure, can quickly and accurately position the wheel surface hardness detection position by fixing the inner surface and the outer surface of the rim and taking the rim outer diameter measurement point as a reference, reduces the error of the surface hardness detection value caused by inconsistent detection positions, improves the detection accuracy, is convenient and reliable to operate, ensures the consistency of the positions when different wheels are positioned, reduces the labor intensity of staff, and provides reliable assurance for improving the quality of wheel products.
The technical scheme adopted by the invention is as follows:
the invention relates to a wheel surface hardness detection positioning instrument which comprises a positioning instrument main scale, wherein the positioning instrument main scale comprises a main scale body and a positioning part, the main scale body is sleeved with a positioning scale, the positioning scale is arranged in a structure capable of moving relative to the main scale body, a graduated scale is arranged on the positioning scale, a positioning claw and a positioning thimble are arranged on the positioning instrument main scale, and the positioning claw is movably arranged on the positioning instrument main scale.
The positioning part of the main ruler of the positioning instrument is arranged at one end of the main ruler body, the main ruler body and the positioning part are arranged into an integrated structure, the positioning part and the main ruler body are vertically arranged, the positioning ruler and the positioning part are arranged in parallel, and the positioning thimble and the main body are vertically arranged.
The main scale body of the main scale of the positioning instrument is provided with a limiting hole, one end of the positioning claw is screwed on a threaded part in the limiting hole, and the positioning claw and the positioning thimble are arranged in parallel.
The distance between the main scale body and the end part of the positioning thimble is set to be equal to the distance between the main body and the 0 scale point on the scale on the positioning scale.
And a limit screw is arranged at the other end of the main scale body of the main scale of the positioning instrument.
When the wheel hardness detection positioning instrument detects the wheel hardness, the main rule body of the positioning instrument main rule of the wheel hardness detection positioning instrument is arranged to be capable of being attached to the structure at the position I of the rim surface, the positioning rule of the movable sleeve on the positioning instrument main rule body is arranged to be capable of being attached to the structure at the position II of the rim surface, the end head of the positioning thimble on the main rule body is arranged to be capable of being abutted to the structure at the position of the outer surface of the wheel tread, and the end head of the positioning claw on the main rule body is also arranged to be capable of being abutted to the structure at the position of the outer surface of the wheel tread.
The wheel surface hardness detection positioning instrument also comprises an auxiliary positioning plate, wherein positioning claws arranged on the main ruler of the positioning instrument penetrate through claw limiting holes on the auxiliary positioning plate, the auxiliary positioning plate is arranged in parallel with the main ruler body, and the positioning claws are arranged vertically with the auxiliary positioning plate.
The invention also relates to a method for detecting the hardness of the surface of the wheel, which comprises the following detection steps: 1) Moving the wheel surface hardness detection positioner to a position close to the wheel to be detected, attaching a main scale body of a main scale of the positioner to the position of the surface I of the rim, and moving a positioning scale sleeved on the main scale body until the positioning scale is attached to the position of the surface II of the rim; 2) Moving the wheel surface hardness detection positioner until the end head of the positioning thimble is propped against the outer surface of the tread of the wheel, and rotating the positioning claw until the end head of the positioning claw is propped against the outer surface of the tread; 3) The outer surface position of the tread of the wheel, which is propped against by the end head of the positioning thimble, is the rim outer diameter measuring point, then the wheel surface measuring point on the rim surface II is selected, the scale value of the wheel surface measuring point on the scale is the distance value from the wheel surface measuring point to the rim outer diameter measuring point, and the determination of the wheel surface hardness detecting position is completed; 4) And repeating the steps through the wheel surface hardness detection locator, and finishing the wheel surface hardness detection position determination in batches.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
according to the wheel surface hardness detection positioning instrument, the positioning ruler can move relative to the main ruler body, the distance between the positioning part and the positioning ruler is adjusted, the requirement of determining the wheel surface hardness detection position of wheels to be detected with different sizes can be met, and the positioning ruler and the positioning part are convenient to contact with the wheel surface respectively, so that positioning is realized. And the universality of the positioning instrument is improved. When the wheel surface hardness detection positioning instrument is adopted, the wheel surface hardness detection positioning instrument is moved to a position close to a wheel to be detected, a main scale body of a main scale of the positioning instrument is attached to the position I of the surface of a rim, and a positioning scale sleeved on the main scale body is moved until the positioning scale is attached to the position II of the surface of the rim; moving the wheel surface hardness detection positioner until the end head of the positioning thimble is propped against the outer surface of the tread of the wheel, and rotating the positioning claw until the end head of the positioning claw is propped against the outer surface of the tread; the outer surface position of the tread of the wheel, which is propped against by the end head of the positioning thimble, is the rim outer diameter measuring point, then the wheel surface measuring point on the rim surface II is selected, the scale value of the wheel surface measuring point on the scale is the distance value from the wheel surface measuring point to the rim outer diameter measuring point, and the determination of the wheel surface hardness detecting position is completed; and repeating the steps through the wheel surface hardness detection locator, and finishing the wheel surface hardness detection position determination in batches. The wheel surface hardness detection positioning instrument is simple in structure, can rapidly and accurately position the wheel surface hardness detection position by fixing the inner surface and the outer surface of the rim and taking the rim outer diameter measurement point as a reference, reduces errors of surface hardness detection values caused by inconsistent detection positions, improves detection accuracy, is convenient and reliable to operate, ensures consistency of positions when different wheels are positioned, reduces labor intensity of staff, and provides reliable guarantee for improving quality of wheel products. Meanwhile, the wheel surface hardness detection positioning instrument can be used for positioning the wheel surface hardness detection points and spot checking of the wheel surface hardness positions, ensures the consistency of the surface hardness detection positions and greatly reduces the labor intensity of staff.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic diagram of a front view of a wheel surface hardness testing and positioning instrument according to the present invention;
FIG. 2 is a schematic top view of a wheel surface hardness testing and positioning device according to the present invention;
reference numerals: 1. a main ruler of the positioning instrument; 2. a main scale body; 3. a positioning part; 4. a positioning ruler; 5. a graduated scale; 6. positioning clamping jaws; 7. positioning the ejector pin; 8. a limiting hole; 9. a limit screw; 10. the surface I of the rim; 11. rim surface ii; 12. the outer surface of the tread; 13. an auxiliary positioning plate; 14. wheels to be detected; 15. scale points of "0"; 16. scale points of "40"; 17. tread surface; 18. a locator handle.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present invention by describing examples in further detail:
as shown in fig. 1 and 2, the invention relates to a wheel surface hardness detection positioner, which comprises a positioner main scale 1, wherein the positioner main scale 1 comprises a main scale body 2 and a positioning part 3, a positioning scale 4 is sleeved on the main scale body 2, the positioning scale 4 is of a structure capable of moving relative to the main scale body 2, a graduated scale 5 is arranged on the positioning scale 4, a positioning claw 6 and a positioning thimble 7 are arranged on the positioner main scale 1, and the positioning claw 6 is movably arranged on the positioner main scale 1. Above-mentioned structure, the location chi can remove for the main scale body to adjust the distance between location portion and the location chi, can satisfy the wheel that awaits measuring of different sizes and confirm wheel surface hardness detection position needs, be convenient for location chi and location portion respectively with wheel surface contact, realize the location. And the universality of the positioning instrument is improved. When the wheel surface hardness detection positioning instrument is adopted, the wheel surface hardness detection positioning instrument is moved to a position close to a wheel 14 to be detected, the main scale body 2 of the main scale 1 of the positioning instrument is attached to the position of the rim surface I10, and the positioning scale 4 sleeved on the main scale body 2 is moved until the positioning scale 4 is attached to the position of the rim surface II 11; moving the wheel surface hardness detection positioner until the end head of the positioning thimble 7 is propped against the outer surface 12 of the tread of the wheel, and rotating the positioning claw 6 until the end head of the positioning claw 6 is propped against the outer surface 12 of the tread; the position of the outer surface 12 of the wheel tread, against which the end head of the positioning thimble 7 is propped, is the rim outer diameter measuring point, then the wheel surface measuring point on the rim surface II 11 is selected, the scale value of the wheel surface measuring point on the scale 5 is the distance value from the wheel surface measuring point to the rim outer diameter measuring point, and the determination of the wheel surface hardness detecting position is completed; and repeating the steps through the wheel surface hardness detection locator, and finishing the wheel surface hardness detection position determination in batches. The wheel surface hardness detection positioning instrument can rapidly and accurately position the wheel surface hardness detection position by fixing the inner surface and the outer surface of the rim and taking the rim outer diameter measurement point as a reference, reduces errors of surface hardness detection values caused by inconsistent detection positions, improves detection accuracy, is convenient and reliable to operate, ensures consistency of positions when different wheels are positioned, reduces labor intensity, and provides reliable guarantee for improving quality of wheel products.
The positioning part 3 of the main scale 1 of the positioning instrument is arranged at one end of the main scale body 2, the main scale body 2 and the positioning part 3 are arranged as an integral structure, the positioning part 3 and the main scale body 2 are vertically arranged, the positioning scale 4 and the positioning part 3 are arranged in parallel, and the positioning thimble 7 and the main scale body 2 are vertically arranged. Above-mentioned structure, the location chi is installed on the main scale body, and the fixed position can slide for the host body, realizes the regulation of distance between the sum location portion of location, and the location chi of being convenient for carries out the face contact with rim internal and external surface (in rim surface I10 and the rim surface II 11, one is the rim internal surface, and another is the rim surface), realizes reliable location between locator and the wheel rim, then through location thimble 7, confirms the rim external diameter measuring point on the rim.
The main scale body 2 of the main scale 1 of the positioning instrument is provided with a limiting hole 8, one end of a positioning claw 6 is screwed on a threaded part in the limiting hole 8, and the positioning claw 6 and the positioning thimble 7 are arranged in parallel. Above-mentioned structure, location jack catch is in on a horizontal plane with the location thimble, when carrying out surface hardness detection location, and back (be close to or keep away from the tread direction) remove the location jack catch, guarantees jack catch and thimble end head (pointed end, including multiple spot) all contact tread for the locating instrument is located along radial directional centre of a circle, and the multiple spot of pointed end all contacts the tread, and control is rocked when can avoiding the locating instrument to fix a position, avoids causing the deviation, ensures result reliability and convenient to use.
The distance between the main scale body 2 and the end part of the positioning thimble 7 is set to be equal to the distance between the main body 2 and the scale 5 on the positioning scale 4. According to the structure, the 0 scale point of the scale on the positioning ruler and the tip end of the positioning thimble are arranged on the same vertical line, so that the scale value corresponding to the wheel surface hardness measuring point is the distance between the rim surface measuring point and the rim outer diameter measuring point, and the position of the required surface hardness detecting position on the rim surface can be obtained through the scale value of the positioning ruler. And the distance between the rim surface measuring point and the rim outer diameter measuring point is selected according to different wheel detection requirements.
The other end of the main scale body 2 of the main scale 1 of the positioning instrument is provided with a limit screw 9. According to the structure, the limit screw 9 is arranged on the main scale body, so that the positioning scale can be prevented from being separated from the main scale body when sliding along the main scale body, and the connection reliability is ensured. When the surface hardness is detected, the main ruler, the positioning claw and the positioning thimble are in contact with the rim, the surface hardness detection positioning instrument is fixed at the rim of the wheel, the 0 scale point of the positioning ruler and the tip of the positioning thimble are arranged on the same vertical line, and the distance between the surface hardness detection point and the rim outer diameter measurement point can be accurately determined through the scale value of the positioning ruler, so that the surface hardness detection position is accurately positioned.
When the wheel hardness detection positioning instrument detects the wheel hardness, the main rule body 2 of the positioning instrument main rule 1 of the wheel hardness detection positioning instrument is arranged to be capable of being attached to the position of the rim surface I10, the positioning rule 4 movably sleeved on the main rule body 2 of the positioning instrument main rule 1 is arranged to be capable of being attached to the position of the rim surface II 11, the end head of the positioning thimble 7 on the main rule body 2 is arranged to be capable of being abutted to the position of the outer surface 12 of the wheel tread, and the end head of the positioning claw 6 on the main rule body 2 is also arranged to be capable of being abutted to the position of the outer surface 12 of the wheel tread. The positioning thimble is vertically fixed at the front end of the main scale body, and the tip end of the positioning thimble is positioned at the rim outer diameter measuring point, so that the positioning instrument is ensured to take the rim outer diameter measuring point as a reference.
The wheel surface hardness detection positioning instrument also comprises an auxiliary positioning plate 13, wherein the positioning claw 6 arranged on the main ruler 1 of the positioning instrument penetrates through a claw limiting hole on the auxiliary positioning plate 13, the auxiliary positioning plate 13 is arranged in parallel with the main ruler body 2, and the positioning claw is arranged perpendicular to the auxiliary positioning plate 13. The auxiliary positioning plate is used for supporting and pre-positioning the plurality of positioning clamping devices, so that position change of the auxiliary positioning plate and the positioning clamping jaw are avoided, and accuracy is improved.
The invention also relates to a wheel surface hardness detection method which has the advantages of simple steps, rapid and accurate positioning of the wheel surface hardness detection position by taking the rim outer diameter measurement point as a reference, reduction of errors of the surface hardness detection value caused by inconsistent detection positions, improvement of detection accuracy, convenience and reliability in operation, guarantee of consistency of positions when different wheels are positioned, reduction of labor intensity of staff and provision of reliable assurance for improvement of the quality of wheel products.
The detection steps of the wheel surface hardness detection method provided by the invention are as follows: 1) The wheel surface hardness detection positioning instrument is moved to a position close to a wheel 14 to be detected, a main scale body 2 of a main scale 1 of the positioning instrument is attached to the position of the surface I10 of the rim, and a positioning scale 4 sleeved on the main scale body 2 is moved until the positioning scale 4 is attached to the position of the surface II 11 of the rim; 2) Moving the wheel surface hardness detection positioner until the end head of the positioning thimble 7 is propped against the outer surface 12 of the tread of the wheel, and rotating the positioning claw 6 until the end head of the positioning claw 6 is propped against the outer surface 12 of the tread; 3) The position of the outer surface 12 of the wheel tread, against which the end head of the positioning thimble 7 is propped, is the rim outer diameter measuring point, then the wheel surface measuring point on the rim surface II 11 is selected, the scale value of the wheel surface measuring point on the scale 5 is the distance value from the wheel surface measuring point to the rim outer diameter measuring point, and the determination of the wheel surface hardness detecting position is completed; and 4, repeating the steps through the wheel surface hardness detection positioning instrument, and finishing the wheel surface hardness detection position determination in batches, thereby meeting the requirement of wheel batch detection.
According to the wheel surface hardness detection positioning instrument, the positioning ruler can move relative to the main ruler body, the distance between the positioning part and the positioning ruler is adjusted, the requirement of determining the wheel surface hardness detection position of wheels to be detected with different sizes can be met, and the positioning ruler and the positioning part are convenient to contact with the wheel surface respectively, so that positioning is realized. And the universality of the positioning instrument is improved. When the wheel surface hardness detection positioning instrument is adopted, the wheel surface hardness detection positioning instrument is moved to a position close to a wheel to be detected, a main scale body of a main scale of the positioning instrument is attached to the position I of the surface of a rim, and a positioning scale sleeved on the main scale body is moved until the positioning scale is attached to the position II of the surface of the rim; moving the wheel surface hardness detection positioner until the end head of the positioning thimble is propped against the outer surface of the tread of the wheel, and rotating the positioning claw until the end head of the positioning claw is propped against the outer surface of the tread; the outer surface position of the tread of the wheel, which is propped against by the end head of the positioning thimble, is the rim outer diameter measuring point, then the wheel surface measuring point on the rim surface II is selected, the scale value of the wheel surface measuring point on the scale is the distance value from the wheel surface measuring point to the rim outer diameter measuring point, and the determination of the wheel surface hardness detecting position is completed; and repeating the steps through the wheel surface hardness detection locator, and finishing the wheel surface hardness detection position determination in batches. The wheel surface hardness detection positioning instrument is simple in structure, can rapidly and accurately position the wheel surface hardness detection position by fixing the inner surface and the outer surface of the rim and taking the rim outer diameter measurement point as a reference, reduces errors of surface hardness detection values caused by inconsistent detection positions, improves detection accuracy, is convenient and reliable to operate, ensures consistency of positions when different wheels are positioned, reduces labor intensity of staff, and provides reliable guarantee for improving quality of wheel products. Meanwhile, the wheel surface hardness detection positioning instrument can be used for positioning the wheel surface hardness detection points and spot checking of the wheel surface hardness positions, ensures the consistency of the surface hardness detection positions and greatly reduces the labor intensity of staff.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the invention is not limited by the foregoing, but rather is within the scope of the invention as long as various modifications are made by the method concept and technical scheme of the invention, or the concept and technical scheme of the invention are directly applied to other occasions without modification.
Claims (5)
1. A method for detecting the hardness of the surface of a wheel is characterized by comprising the following steps: the wheel surface hardness detection positioning instrument used by the wheel surface hardness detection method comprises a positioning instrument main scale (1), wherein the positioning instrument main scale (1) comprises a main scale body (2) and a positioning part (3), a positioning scale (4) is sleeved on the main scale body (2), the positioning scale (4) is arranged to be of a structure capable of moving relative to the main scale body (2), a graduated scale (5) is arranged on the positioning scale (4), a positioning claw (6) and a positioning thimble (7) are arranged on the positioning instrument main scale (1), and the positioning claw (6) is movably arranged on the positioning instrument main scale (1);
the positioning part (3) of the main scale (1) of the positioning instrument is arranged at one end of the main scale body (2), the main scale body (2) and the positioning part (3) are arranged into an integrated structure, the positioning part (3) and the main scale body (2) are vertically arranged, the positioning scale (4) and the positioning part (3) are arranged in parallel, and the positioning thimble (7) and the main scale body (2) are vertically arranged;
a main scale body (2) of the main scale (1) of the positioning instrument is provided with a limiting hole (8), one end of a positioning claw (6) is screwed on a thread part in the limiting hole (8), and the positioning claw (6) and a positioning thimble (7) are arranged in parallel;
the detection method for the hardness of the wheel surface comprises the following detection steps: 1) Moving a wheel surface hardness detection positioning instrument to a position close to a wheel (14) to be detected, attaching a main scale body (2) of a main scale (1) of the positioning instrument to the position of a rim surface I (10), and moving a positioning scale (4) sleeved on the main scale body (2) until the positioning scale (4) is attached to the position of a rim surface II (11); 2) Moving the wheel surface hardness detection positioning instrument until the end head of the positioning thimble (7) is propped against the outer surface (12) of the tread of the wheel, and rotating the positioning claw (6) until the end head of the positioning claw (6) is propped against the outer surface (12) of the tread; 3) The position of the outer surface (12) of the tread of the wheel, which is propped against by the end head of the positioning thimble (7), is the rim outer diameter measuring point, then the wheel surface measuring point on the rim surface II (11) is selected, and the scale value of the wheel surface measuring point on the scale (5) is the distance value from the wheel surface measuring point to the rim outer diameter measuring point, thus finishing the determination of the wheel surface hardness detecting position; 4) And repeating the steps through the wheel surface hardness detection locator, and finishing the wheel surface hardness detection position determination in batches.
2. The method for detecting the hardness of a wheel surface according to claim 1, wherein: the distance between the main scale body (2) and the end head of the positioning thimble (7) is equal to the distance between the main scale body (2) and the scale (5) on the positioning scale (4).
3. The wheel surface hardness detection method according to claim 1 or 2, characterized in that: the other end of the main scale body (2) of the main scale (1) of the positioning instrument is provided with a limit screw (9).
4. The method for detecting the hardness of a wheel surface according to claim 1, wherein: when the wheel hardness detection positioning instrument detects the wheel hardness, the main rule body (2) of the positioning instrument main rule (1) of the wheel hardness detection positioning instrument is arranged to be capable of being attached to the structure of the position of the rim surface I (10), the positioning rule (4) of the movable sleeve on the main rule body (2) of the positioning instrument main rule (1) is arranged to be capable of being attached to the structure of the position of the rim surface II (11), the end head part of the positioning thimble (7) on the main rule body (2) is arranged to be capable of being abutted to the structure of the position of the outer surface (12) of the wheel tread, and the end head part of the positioning claw (6) on the main rule body (2) is also arranged to be capable of being abutted to the structure of the position of the outer surface (12) of the wheel tread.
5. The wheel surface hardness detection method according to claim 1 or 2, characterized in that: the wheel surface hardness detection positioning instrument also comprises an auxiliary positioning plate (13), wherein a positioning claw (6) arranged on the main ruler (1) of the positioning instrument penetrates through a claw limiting hole on the auxiliary positioning plate (13), the auxiliary positioning plate (13) is arranged in parallel with the main ruler body (2), and the positioning claw (6) is arranged perpendicular to the auxiliary positioning plate (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810375763.2A CN108548682B (en) | 2018-04-25 | 2018-04-25 | Wheel surface hardness detection positioning instrument and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810375763.2A CN108548682B (en) | 2018-04-25 | 2018-04-25 | Wheel surface hardness detection positioning instrument and detection method thereof |
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| CN108548682A CN108548682A (en) | 2018-09-18 |
| CN108548682B true CN108548682B (en) | 2024-03-08 |
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| CN110954045B (en) * | 2019-12-12 | 2021-08-03 | 西南交通大学 | Train wheel tread geometric parameter detection device |
| CN111473900A (en) * | 2020-03-04 | 2020-07-31 | 马鞍山钢铁股份有限公司 | Surface mounting method for detecting residual stress of rim of train wheel |
| CN111521482A (en) * | 2020-04-28 | 2020-08-11 | 宝武集团马钢轨交材料科技有限公司 | Wheel stretching sampling positioning instrument and sampling method |
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