CN110879043A - Rail vehicle wheel diameter measuring equipment - Google Patents
Rail vehicle wheel diameter measuring equipment Download PDFInfo
- Publication number
- CN110879043A CN110879043A CN201911160179.6A CN201911160179A CN110879043A CN 110879043 A CN110879043 A CN 110879043A CN 201911160179 A CN201911160179 A CN 201911160179A CN 110879043 A CN110879043 A CN 110879043A
- Authority
- CN
- China
- Prior art keywords
- base
- rotary shaft
- shaft system
- rail vehicle
- vehicle wheel
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Abstract
The invention provides a rail vehicle wheel diameter measuring device which comprises a base, a support, a moving mechanism, a precise rotary shaft system, a measuring unit and an objective table, wherein the base is provided with a base; the support is arranged on the base, and the movement mechanism is arranged on the rack and used for adjusting the upper and lower positions of the measurement unit so as to scan the profiles of the wheels to be measured at different tangent planes; the precise rotary shaft system is arranged on the movement mechanism and used for adjusting the rotary position of the measuring unit; the measuring unit is arranged below the precise rotary shaft system and can perform rotary motion under the driving of the precise rotary shaft system, so that the contour scanning of the wheel to be measured is realized; the objective table is arranged on the base and used for fixing the wheel to be detected. The invention is a non-contact direct measurement, can measure the profiles at different positions, and has the advantages of more measurement positions, high automation degree, less measurement error sources and high efficiency.
Description
Technical Field
The invention relates to the field of precision detection, in particular to a rail vehicle wheel diameter measuring device.
Background
The rail transit is now an important transportation means for the public to travel, and with the gradual acceleration of the running speed of rail vehicles, the requirements on parts of the rail vehicles are higher and higher, and the precise detection of geometric parameters of wheels is particularly important for processing, assembly and use. The wheel diameter, including the high accuracy check out test set of outline and interior mounting hole diameter has great demand. The traditional method for detecting the diameter of the wheel uses a special caliper method, a dial indicator scanning method and other contact-type measurement methods, and in recent years, non-contact-type measurement methods have been developed to a certain extent.
The method belongs to indirect measurement, has large measurement error and can only detect the diameter of the outer contour of the wheel.
Chinese patent CN201410787250.4 proposes a method for detecting the diameter of a locomotive wheel, which comprises the steps of projecting light onto a locomotive wheel tread to form a light section curve, then collecting a light section curve image including the light section curve, and analyzing the obtained light section curve image by using an image segmentation method to obtain the diameter of the locomotive wheel.
Disclosure of Invention
The invention aims to provide a rail vehicle wheel diameter measuring device, which aims to solve the technical problems of large measuring error and low precision in the prior art.
In order to solve the technical problem, the invention provides a rail vehicle wheel diameter measuring device which comprises a base, a support, a moving mechanism, a precise rotary shaft system, a measuring unit and an object stage, wherein the base is provided with a base seat;
the bracket is arranged on the base, and the bracket is arranged on the base,
the movement mechanism is arranged on the frame and used for adjusting the upper and lower positions of the measurement unit so as to scan the profiles of the wheels to be measured at different sections;
the precise rotary shaft system is arranged on the movement mechanism and used for adjusting the rotary position of the measuring unit;
the measuring unit is arranged below the precise rotary shaft system and can perform rotary motion under the driving of the precise rotary shaft system, so that the contour scanning of the wheel to be measured is realized;
the objective table is arranged on the base and used for fixing the wheel to be detected.
In some embodiments, the device further comprises a feeding motion mechanism, wherein the feeding motion mechanism is arranged between the base and the object stage and used for pushing the wheel to be measured to reach the measuring station or leave the measuring station.
In some embodiments, the precision slew axis comprises a high precision angular encoder for locating and encoding the angular position of the measurement unit.
In some embodiments, the measuring unit includes a frame, a first laser displacement sensor, and a second laser displacement sensor, one end of the frame is connected to the precision rotary shaft system, the other end of the frame is three evenly distributed cylinders, the cylinders are located on the same straight line, the first laser displacement sensor is disposed below one cylinder located at an end, and the second laser displacement sensor is disposed below one cylinder located at a middle position.
In some embodiments, the material of the base is marble.
In some embodiments, the material of the frame is marble.
The invention has the beneficial effects that: the invention is a non-contact direct measurement, can measure the profiles at different positions, and has the advantages of more measurement positions, high automation degree, less measurement error sources and high efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a wheel diameter measuring device of a railway vehicle provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of a measuring unit of the rail vehicle wheel diameter measuring device provided by the embodiment of the invention.
1. A motion mechanism; 2. a precision rotating shaft system; 3. a measuring unit; 4. a feed motion mechanism;
5. an object stage; 6. a base; 7. a wheel to be tested; 3-1, a frame;
3-2, a first laser displacement sensor; 3-3, and a second laser displacement sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to make the description of the present disclosure more complete and complete, the following description is given for illustrative purposes with respect to the embodiments and examples of the present invention; it is not intended to be the only form in which the embodiments of the invention may be practiced or utilized. The embodiments are intended to cover the features of the various embodiments as well as the method steps and sequences for constructing and operating the embodiments. However, other embodiments may be utilized to achieve the same or equivalent functions and step sequences.
Example 1:
a rail vehicle wheel diameter measuring device comprises a base, a support, a moving mechanism, a precise rotary shaft system, a measuring unit and an objective table;
the bracket is arranged on the base, and the bracket is arranged on the base,
the movement mechanism is arranged on the frame and used for adjusting the upper and lower positions of the measurement unit so as to scan the profiles of the wheels to be measured at different sections;
the precise rotary shaft system is arranged on the movement mechanism and used for adjusting the rotary position of the measuring unit;
the measuring unit is arranged below the precise rotary shaft system and can perform rotary motion under the driving of the precise rotary shaft system, so that the contour scanning of the wheel to be measured is realized;
the objective table is arranged on the base and used for fixing the wheel to be detected.
Preferably, the wheel to be measured is pushed to reach the measuring station or leave the measuring station by the feeding motion mechanism, and the degree of automation and the efficiency of measurement are high.
Preferably, the precision rotary shaft system comprises a high-precision angle encoder for positioning and encoding the angular position of the measuring unit. The precise rotation shaft system has higher rotation precision, and further ensures the measurement precision.
Preferably, the measuring unit includes frame, first laser displacement sensor, second laser displacement sensor, frame one end is connected with accurate gyration shafting, the other end of frame is three evenly distributed's cylinder, the cylinder is located same straight line, first laser displacement sensor sets up in a cylinder below that is located the tip, second laser displacement sensor sets up in the cylinder below that is located the intermediate position. After the measuring unit is calibrated by the standard cylindrical gauge block, the first laser displacement sensor and the second laser displacement sensor can obtain the actual contour parameters of the wheel by comparing the data difference value when the gauge block and the wheel are detected and combining the inner and outer diameter standard values of the standard gauge block.
In this embodiment, the base and the frame are made of marble, the measuring equipment is stable in structure, and the overall detection precision of the equipment is guaranteed.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. A rail vehicle wheel diameter measuring device is characterized by comprising a base, a support, a moving mechanism, a precise rotary shaft system, a measuring unit and an objective table;
the bracket is arranged on the base, and the bracket is arranged on the base,
the movement mechanism is arranged on the frame and used for adjusting the upper and lower positions of the measurement unit so as to scan the profiles of the wheels to be measured at different sections;
the precise rotary shaft system is arranged on the movement mechanism and used for adjusting the rotary position of the measuring unit;
the measuring unit is arranged below the precise rotary shaft system and can perform rotary motion under the driving of the precise rotary shaft system, so that the contour scanning of the wheel to be measured is realized;
the objective table is arranged on the base and used for fixing the wheel to be detected.
2. The rail vehicle wheel diameter measuring device of claim 1, further comprising a feed motion mechanism disposed between the base and the stage for pushing the wheel to be measured to or from the measuring station.
3. The rail vehicle wheel diameter measuring device of claim 1, wherein the precision rotary shaft system includes a high precision angular encoder for positioning and encoding the angular position of the measuring unit.
4. The rail vehicle wheel diameter measuring device as claimed in claim 1, wherein the measuring unit comprises a frame, a first laser displacement sensor and a second laser displacement sensor, one end of the frame is connected with the precision rotary shaft system, the other end of the frame is provided with three evenly distributed cylinders, the cylinders are located on the same straight line, the first laser displacement sensor is arranged below one cylinder located at the end, and the second laser displacement sensor is arranged below one cylinder located at the middle.
5. A rail vehicle wheel diameter measuring apparatus as claimed in claim 1, wherein the material of the base is marble.
6. A rail vehicle wheel diameter measuring apparatus as claimed in claim 1, wherein the material of the frame is marble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160179.6A CN110879043A (en) | 2019-11-23 | 2019-11-23 | Rail vehicle wheel diameter measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160179.6A CN110879043A (en) | 2019-11-23 | 2019-11-23 | Rail vehicle wheel diameter measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110879043A true CN110879043A (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911160179.6A Pending CN110879043A (en) | 2019-11-23 | 2019-11-23 | Rail vehicle wheel diameter measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110879043A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136669A (en) * | 2021-11-30 | 2022-03-04 | 宝武集团马钢轨交材料科技有限公司 | Wheel rotating device and positioning detection compensation method thereof |
| CN114754688A (en) * | 2021-01-11 | 2022-07-15 | 南京理工大学 | Dynamic detection method for wheel diameter of high-speed rail train based on laser measurement |
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| CN205403684U (en) * | 2016-03-09 | 2016-07-27 | 泰信电机(苏州)有限公司 | Novel electric machine coil detects device |
| CN106813584A (en) * | 2017-03-31 | 2017-06-09 | 燕山大学 | Spiral bevel gear key parameter laser detection system and its detection method |
| CN107020607A (en) * | 2017-04-27 | 2017-08-08 | 汉尼康自动化科技（苏州）有限公司 | Wheel hub positioning table |
| CN208847129U (en) * | 2018-11-30 | 2019-05-10 | 重庆工业职业技术学院 | A kind of flywheel detection device |
| CN208872527U (en) * | 2018-10-10 | 2019-05-17 | 宣化钢铁集团有限责任公司 | A kind of ring cold machine wheel operation detection device |
| KR102040025B1 (en) * | 2018-10-24 | 2019-11-05 | 한국철도기술연구원 | Method for measuring the shape of wheel for railway vehicles |
-
2019
- 2019-11-23 CN CN201911160179.6A patent/CN110879043A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205403684U (en) * | 2016-03-09 | 2016-07-27 | 泰信电机(苏州)有限公司 | Novel electric machine coil detects device |
| CN106813584A (en) * | 2017-03-31 | 2017-06-09 | 燕山大学 | Spiral bevel gear key parameter laser detection system and its detection method |
| CN107020607A (en) * | 2017-04-27 | 2017-08-08 | 汉尼康自动化科技（苏州）有限公司 | Wheel hub positioning table |
| CN208872527U (en) * | 2018-10-10 | 2019-05-17 | 宣化钢铁集团有限责任公司 | A kind of ring cold machine wheel operation detection device |
| KR102040025B1 (en) * | 2018-10-24 | 2019-11-05 | 한국철도기술연구원 | Method for measuring the shape of wheel for railway vehicles |
| CN208847129U (en) * | 2018-11-30 | 2019-05-10 | 重庆工业职业技术学院 | A kind of flywheel detection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754688A (en) * | 2021-01-11 | 2022-07-15 | 南京理工大学 | Dynamic detection method for wheel diameter of high-speed rail train based on laser measurement |
| CN114754688B (en) * | 2021-01-11 | 2024-04-05 | 南京理工大学 | Dynamic detection method for wheel diameter of high-speed railway train based on laser measurement |
| CN114136669A (en) * | 2021-11-30 | 2022-03-04 | 宝武集团马钢轨交材料科技有限公司 | Wheel rotating device and positioning detection compensation method thereof |
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Application publication date: 20200313 |