CN210036542U - Train wheel radial dimension measuring tool - Google Patents
Train wheel radial dimension measuring tool Download PDFInfo
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- CN210036542U CN210036542U CN201921054675.9U CN201921054675U CN210036542U CN 210036542 U CN210036542 U CN 210036542U CN 201921054675 U CN201921054675 U CN 201921054675U CN 210036542 U CN210036542 U CN 210036542U
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Abstract
The utility model discloses a train wheel radial dimension measuring tool, including the blade, set up on the blade and be used for the first graduated flask with wheel tread contact when measuring, mobilizable set up in the size and be used for measuring the main vernier of wheel roll circle external diameter, mobilizable set up in the size and be used for measuring the first radial dimension of wheel and the supplementary vernier of second radial dimension, set up on main vernier and be used for the second graduated flask with wheel tread contact when measuring and set up the benchmark regulating block on the blade, it is located between main vernier and the benchmark regulating block to assist the vernier, the blade has the scale mark. The utility model discloses a train wheel radial dimension measuring tool can improve train wheel radial dimension's measurement work efficiency, can reduce the measuring error that a plurality of measuring tools, many times location brought, improves measurement accuracy.
Description
Technical Field
The utility model belongs to the technical field of the radial dimension of circular dish class part measures, specifically speaking, the utility model relates to a train wheel radial dimension measuring tool.
Background
At present, the measurement of the dimensions, particularly the radial dimension, of a plurality of parts of the wheel is required to be measured in the process of machining and detecting the train wheel. Different measuring tools are needed for measuring the radial dimensions of different parts of the train wheel, for example, different measuring tools are needed for measuring the outer diameter, the inner diameter, the scrapping groove and the like of the train wheel, the use of operators is very complicated, the measuring standards are different, the measured data error is large, and the precision is influenced.
In addition, with the development of the market, the product specifications are various, the measurement of the radial dimension of the train wheel takes longer time, and the processing and detection efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a train wheel radial dimension measuring tool, the purpose is to improve and measures work efficiency.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the train wheel radial dimension measuring tool comprises a ruler body, a first measuring jaw, a main vernier, an auxiliary vernier, a second measuring jaw and a reference adjusting block, wherein the first measuring jaw is arranged on the ruler body and is used for being in contact with a wheel tread during measurement, the main vernier is movably arranged on the dimension and is used for measuring the outer diameter of a wheel rolling circle, the auxiliary vernier is movably arranged on the dimension and is used for measuring the first radial dimension and the second radial dimension of a wheel, the second measuring jaw is arranged on the main vernier and is used for being in contact with the wheel tread during measurement, the reference adjusting block is arranged on the ruler body, the auxiliary vernier is located between the main vernier and the reference adjusting block, the ruler body is provided with scale marks, the first radial dimension is the maximum vertical distance between the inner circular surface of a wheel rim and a first contact point on the wheel tread, and the second radial dimension is the maximum.
The auxiliary vernier is a digital display vernier.
The first measuring jaw is of an L-shaped structure, one end of the first measuring jaw is connected with the ruler body, the other end of the first measuring jaw is used for being in contact with the wheel tread, and the end face of the first measuring jaw is an arc surface.
The second measuring jaw is of an L-shaped structure, one end of the second measuring jaw is connected with the main vernier, the other end of the second measuring jaw is used for being in contact with the wheel tread, and the end face of the second measuring jaw is an arc face.
The ruler body comprises a first ruler rod, a second ruler rod and a ruler rod connecting portion, the ruler rod connecting portion is located between the first ruler rod and the second ruler rod and connected with the first ruler rod and the second ruler rod, the main vernier and the auxiliary vernier are arranged on the second ruler rod, the first measuring claw is connected with the first ruler rod, and the reference adjusting block is arranged on the first ruler rod.
The utility model discloses a train wheel radial dimension measuring tool can improve train wheel radial dimension's measurement work efficiency, can reduce the measuring error that a plurality of measuring tools, many times location brought, improves measurement accuracy.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a front view of the measuring tool for the radial dimension of train wheels;
FIG. 2 is a plan view of the measuring tool for measuring the radial dimension of the train wheel according to the present invention in a use state;
FIG. 3 is an explanatory diagram of measurement calculation;
labeled as: 1. a first measuring jaw; 2. a reference adjusting block; 3. an outer rim surface; 4. a ruler body; 401. a first blade bar; 402. a second blade bar; 403. a first connecting rod; 404. a second connecting rod; 405. a third connecting rod; 5. a hub; 6. a handle; 7. an auxiliary vernier; 8. a measuring head; 9. a waste reporting tank; 10. a main vernier; 11. the inner circular surface of the rim; 12. a wheel tread; 13. the outside diameter of the rolling circle; 14. the diameter of the scrapped groove; 15. the inner diameter of the rim; 16. and a second measuring jaw.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the concept and technical solution of the present invention, and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for convenience of description.
As shown in fig. 1-3, the utility model provides a train wheel radial dimension measuring tool, including blade 4, set up on blade 4 and be used for the first gauge outfit 1 with wheel tread 12 contact when measuring, mobilizable set up in the size and be used for measuring the main vernier 10 of wheel rolling circle external diameter, mobilizable set up in the size and be used for measuring the first radial dimension of wheel and the supplementary vernier 7 of second radial dimension, set up on main vernier 10 and be used for the second gauge outfit 16 with wheel tread 12 contact when measuring and set up benchmark regulating block 2 on blade 4, supplementary vernier 7 is located between main vernier 10 and the benchmark regulating block 2, blade 4 has the scale mark.
Specifically, as shown in fig. 1 to 3, the train wheel is mainly composed of a rim, a hub 5, and a web, the rim, the hub 5, and the web being coaxially disposed, the web being located between the rim and the hub 5. The rim has an outer rim face 3 and an inner rim face, the outer rim face 3 and the inner rim face being end faces at opposite ends of the rim, the outer rim face 3 and the inner rim face being parallel planes and the outer rim face 3 and the inner rim face being perpendicular to the axis of the rim, the web being located between the outer rim face 3 and the inner rim face. The rim also has a rim inner surface 11, the rim inner surface 11 is an inner wall surface of the rim facing the hub 5 and coaxial with the hub 5, and the rim inner surface 11 is a cylindrical surface. In the axial direction of the rim, the rim inner surface 11 is located between the outer rim surface 3 and the web and the edge of the rim inner surface 11 is connected to the inner edge of the outer rim surface 3. The first radial dimension is the maximum vertical distance between the inner circular surface 11 of the wheel rim and a first contact point on a wheel tread 12, the second radial dimension is the maximum vertical distance between the wheel scrapping groove 9 and the first contact point on the wheel tread 12, the first contact point is a part on the wheel tread 12 which is contacted with the first measuring jaw 1 during measurement, the second contact point is a part on the wheel tread 12 which is contacted with the second measuring jaw 16 during measurement, the connecting line of the first contact point and the second contact point is vertical to the axis of the train wheel, the connecting line of the first contact point and the second contact point passes through the axis of the train wheel, and the distance between the first contact point and the second contact point is the outer diameter of the rolling circle of the wheel to be measured, namely the diameter of the wheel pedal at the positions of the first contact point and the second contact point. The scrapping groove 9 is a groove formed in the outer rim surface 3 of the train wheel, the scrapping groove 9 is a circular groove extending along the whole circumferential direction on the outer rim surface 3, the scrapping groove 9, the tread, the inner rim surface 11 and the outer rim surface 3 are coaxially arranged, and the diameter of the scrapping groove 9 is larger than that of the inner rim surface 11. After the train wheel is used, the outer side rim surface 3 is worn, the rim width is gradually reduced, correspondingly, the depth of the scrapping groove 9 is gradually reduced, when the position of the scrapping groove 9 is completely worn to the limit, the train wheel is scrapped and needs to be replaced by a new train wheel, and the scrapping groove 9 is used as a mark for representing the wear degree of the train wheel.
As shown in fig. 1 to 3, the first measuring jaw 1 is an L-shaped structure, one end of the first measuring jaw 1 is connected to the ruler body 4, the other end of the first measuring jaw 1 is used for contacting with the wheel tread 12, and the end surface of the first measuring jaw 1 is an arc surface. The second measuring jaw 16 is an L-shaped structure, one end of the second measuring jaw 16 is connected with the main vernier 10, the other end of the second measuring jaw 16 is used for contacting with the wheel tread 12, and the end surface of the second measuring jaw 16 is an arc surface. The first measuring jaw 1 and the second measuring jaw 16 are oppositely arranged, the first measuring jaw 1 and the second measuring jaw 16 are positioned on the same straight line parallel to the length direction of the ruler body 4, the length direction of the ruler body 4 is perpendicular to the axis of a train wheel, the contact point of the first measuring jaw 1 and the wheel tread 12 is a first contact point, and the contact point of the second measuring jaw 16 and the wheel tread 12 is a second contact point. When the measuring tool is used for measuring a train wheel, the train wheel is placed in a horizontal state, the axis of the train wheel is a vertical line at the moment, the outer rim surface 3 of the train wheel is a horizontal plane, the ruler body 4 is horizontally placed above the train wheel, the reference adjusting block 2 is placed on the outer rim surface 3 of the train wheel, the first measuring jaw 1 is located below the ruler body 4, the lower end of the first measuring jaw 1 is in contact with the wheel tread 12, the second measuring jaw 16 is located below the main vernier 10, then the main vernier 10 is moved, the lower end of the second measuring jaw 16 is in contact with the wheel tread 12, the numerical value of the distance between the first contact point and the second contact point is read according to the position of the scale mark on the ruler body 4 corresponding to the main vernier 10, and the outer diameter of the rolling circle of the train wheel is obtained through measurement. Then, moving the auxiliary vernier 7 to the inner circular surface 11 of the rim, and enabling a measuring head of the auxiliary vernier 7 to contact a point, with the largest vertical distance, on the inner circular surface 11 of the rim and a first contact point on the wheel tread 12 to obtain a first radial dimension of the wheel; and then moving the auxiliary vernier 7 again, moving the auxiliary vernier 7 to the scrapping groove 9 firstly, and enabling the measuring head of the auxiliary vernier 7 to contact a point, with the largest vertical distance, on the scrapping groove 9 and a first contact point on the wheel tread 12 to obtain a second radial dimension of the wheel. And finally, calculating the inner diameter of the wheel rim and the diameter of the scrapped groove according to a formula and the obtained outer diameter, the first radial dimension and the second radial dimension of the wheel rolling circle. The measuring tool adopts a double-vernier mode, two vernier are respectively slid after once positioning, the size of each concentric part in a part is obtained through a fixed formula, the measuring tool only needs once positioning, and a plurality of radial sizes are obtained through once measurement, so that the tedious work of multiple measurements of similar sizes by using various measuring tools is solved, the error generated by multiple positioning measurements can be avoided, and the accumulated error generated by the difference between multiple measuring tools can be effectively reduced.
Preferably, the auxiliary vernier 7 is a digital display vernier, and the measured values of the first radial dimension and the second radial dimension can be directly displayed on a digital liquid crystal display screen, so that the reading is convenient and simple, and the improvement of the measurement precision is facilitated.
As shown in fig. 1 to 3, the blade 4 has scale marks and corresponding scale values, the scale marks are arranged on the surface of the blade 4, the surface of the blade 4 is a vertical surface parallel to the axis of the train wheel, the scale values of the scale marks gradually increase from a first set position on the blade 4 along the length direction of the blade 4 to a second set position on the blade 4, the scale values represent the outer diameter of the rolling circle of the wheel, the distance between the first set position on the blade 4 and the axis of the train wheel is smaller than the distance between the second set position on the blade 4 and the axis of the train wheel, and the main vernier 10 and the auxiliary vernier 7 move in the length region where the scale marks are arranged on the blade 4. The main vernier 10 is sleeved on the ruler body 4, a first hand-tightening bolt for fixing the main vernier 10 on the ruler body 4 is installed on the main vernier 10, and the end of the first hand-tightening bolt penetrates through a hand-tightening bolt hole in the main vernier 10 and abuts against the top surface of the ruler body 4, so that the main vernier 10 can be fixed. Similarly, the reference adjusting block 2 is a rectangular block-shaped structure, the ruler body 4 is sleeved with the reference adjusting block 2, the reference adjusting block 2 is provided with a sliding groove for the ruler body 4 to be inserted into, a second hand-tightening bolt for fixing the reference adjusting block 2 on the ruler body 4 is installed on the reference adjusting block 2, the end part of the second hand-tightening bolt penetrates through the hand-tightening bolt hole in the reference adjusting block 2 and abuts against the top surface of the ruler body 4, and therefore the reference adjusting block 2 can be fixed on the ruler body 4. The bottom surface of the reference adjusting block 2 is a horizontal plane, and the bottom surface of the reference adjusting block 2 is attached to the outer side surface of the rim. The benchmark regulating block 2 is used for providing a supporting effect for the ruler body 4, the position of the benchmark regulating block 2 on the ruler body 4 is adjustable, the benchmark regulating block 2 can be moved along the length direction of the ruler body 4 by unscrewing a second hand-operated bolt on the benchmark regulating block 2, the benchmark regulating block 2 can be adjusted to a proper position to be in contact with the outer side surface of a rim, and the measured benchmark surface is the outer side surface of the rim.
As shown in fig. 1 to 3, the blade 4 includes a first blade 401, a second blade 402, and a blade connecting portion located between the first blade 401 and the second blade 402 and connected to the first blade 401 and the second blade 402, the main cursor 10 and the auxiliary cursor 7 are disposed on the second blade 402, the first measuring jaw 1 is connected to the first blade 401, and the reference adjusting block 2 is disposed on the first blade 401. The first ruler rod 401 and the second ruler rod 402 are both provided with a certain length, the length directions of the first ruler rod 401 and the second ruler rod 402 are in the same direction, the length directions of the first ruler rod 401 and the second ruler rod 402 are perpendicular to the axis of a train wheel, the length of the second ruler rod 402 is larger than that of the first ruler rod 401, the reference adjusting block 2 is sleeved on the first ruler rod 401, the main vernier 10 and the auxiliary vernier 7 are sleeved on the second ruler rod 402, and scale marks are arranged on the second ruler rod 402. The ruler rod connecting part comprises a first connecting rod 403, a second connecting rod 404 and a third connecting rod 405 which are connected in sequence, the length direction of the second connecting rod 404 is parallel to the length direction of the first ruler rod 401 and the second ruler rod 402, the length of the first connecting rod 403 and the length of the third connecting rod 405 are the same, an included angle is formed between the length direction of the first connecting rod 403 and the length direction of the second connecting rod 404, the included angle is an obtuse angle, one end of the first connecting rod 403 in the length direction is fixedly connected with one end of the first ruler rod 401, the other end of the first ruler rod 401 is fixedly connected with the first measuring jaw 1, a reference adjusting block 2 is positioned between the first measuring jaw 1 and the first connecting rod, the other end of the first connecting rod 403 in the length direction is fixedly connected with one end of the second connecting rod 404 in the length direction, one end of the third connecting rod 405 in the length direction is fixedly connected with the other end of the second connecting rod 404, the other end of the third connecting rod 405 in the length direction is fixedly connected with one end of the second ruler rod 402, and the auxiliary vernier 7 is positioned between the third connecting rod 405 and the main vernier 10.
The process of measuring the radial dimension of the train wheel by adopting the measuring tool for the radial dimension of the train wheel with the structure comprises the following steps:
s1, obtaining the outer diameter of the rolling circle of the wheel;
s2, acquiring a first radial dimension and a second radial dimension of the wheel, wherein the first radial dimension is the maximum vertical distance between the inner circular surface 11 of the wheel rim and a first contact point on the wheel tread 12, and the second radial dimension is the maximum vertical distance between the wheel scrapping groove 9 and the first contact point on the wheel tread 12;
and S3, calculating the inner diameter of the wheel rim and the diameter of the scrapping groove.
In the step S1, the train wheel to be measured is placed horizontally, the axis of the train wheel is in a vertical plane, the outer rim surface 3 of the train wheel is a horizontal plane, the reference adjusting block 2 is placed on the outer rim surface 3 of the train wheel, the ruler body 4 is horizontally placed above the train wheel, the lower end of the first measuring jaw 1 is in contact with the wheel tread 12, then the main vernier 10 is moved, the lower end of the second measuring jaw 16 is in contact with the wheel tread 12, the distance between the first contact point and the second contact point is read according to the position of the scale mark on the ruler body 4 corresponding to the main vernier 10, that is, the outer diameter of the rolling circle of the wheel is measured, and the outer diameter of the rolling circle of the wheel is obtained.
In step S2, the auxiliary vernier 7 is moved to the rim inner circular surface 11 first, the probe of the auxiliary vernier 7 contacts a point on the rim inner circular surface 11 where the vertical distance between the probe and the first contact point on the wheel tread 12 is the largest, a first radial dimension of the wheel is obtained, and the value of the first radial dimension is recorded; and then moving the auxiliary vernier 7 again, moving the auxiliary vernier 7 to the scrapping groove 9 firstly, enabling the measuring head of the auxiliary vernier 7 to contact a point with the largest vertical distance between a first contact point on the scrapping groove 9 and a first contact point on the wheel tread 12, acquiring a second radial dimension of the wheel, and recording the numerical value of the second radial dimension.
As shown in fig. 3, in step S3, the wheel rim inner diameter is calculated according to the formula D2-L1-2 (L1-L2), D2 is the wheel rim inner diameter, L1 is the wheel rolling circle outer diameter, and L2 is the first radial dimension.
As shown in fig. 3, in step S3, the diameter of the discard groove is calculated according to the formula W ═ L1-2 × (L1-L3), where W is the diameter of the discard groove, L1 is the outer diameter of the wheel rolling circle, and L3 is the second radial dimension.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (5)
1. The measuring tool for the radial dimension of the train wheel is characterized by comprising a ruler body, a first measuring claw, a main vernier, an auxiliary vernier, a second measuring claw and a reference adjusting block, wherein the first measuring claw is arranged on the ruler body and is used for being in contact with a wheel tread during measurement, the main vernier is movably arranged on the dimension and is used for measuring the outer diameter of a rolling circle of the wheel, the auxiliary vernier is movably arranged on the dimension and is used for measuring the first radial dimension and the second radial dimension of the wheel, the second measuring claw is arranged on the main vernier and is used for being in contact with the wheel tread during measurement, the reference adjusting block is arranged on the ruler body, the auxiliary vernier is located between the main vernier and the.
2. The railway wheel radial dimension measuring gauge according to claim 1, wherein the auxiliary vernier (7) is a digital display vernier.
3. The railway wheel radial dimension measuring gauge according to claim 1 or 2, wherein the first measuring jaw is of an L-shaped structure, one end of the first measuring jaw is connected with the measuring gauge body, the other end of the first measuring jaw is used for being in contact with a wheel tread, and the end surface of the first measuring jaw is an arc surface.
4. The railway wheel radial dimension measuring gauge according to claim 1 or 2, wherein the second measuring jaw is of an L-shaped structure, one end of the second measuring jaw is connected with the main vernier, the other end of the second measuring jaw is used for being in contact with a wheel tread, and the end surface of the second measuring jaw is an arc surface.
5. The railway wheel radial dimension measuring gauge according to claim 1 or 2, wherein the gauge body comprises a first gauge rod, a second gauge rod and a gauge rod connecting portion located between and connected with the first gauge rod and the second gauge rod, the main vernier and the auxiliary vernier are disposed on the second gauge rod, the first measuring jaw is connected with the first gauge rod, and the reference adjusting block is disposed on the first gauge rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054675.9U CN210036542U (en) | 2019-07-08 | 2019-07-08 | Train wheel radial dimension measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054675.9U CN210036542U (en) | 2019-07-08 | 2019-07-08 | Train wheel radial dimension measuring tool |
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| Publication Number | Publication Date |
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| CN210036542U true CN210036542U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921054675.9U Active CN210036542U (en) | 2019-07-08 | 2019-07-08 | Train wheel radial dimension measuring tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186353A (en) * | 2019-07-08 | 2019-08-30 | 马鞍山钢铁股份有限公司 | Train wheel radial dimension measurer and train wheel radial dimension measurement method |
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2019
- 2019-07-08 CN CN201921054675.9U patent/CN210036542U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186353A (en) * | 2019-07-08 | 2019-08-30 | 马鞍山钢铁股份有限公司 | Train wheel radial dimension measurer and train wheel radial dimension measurement method |
| CN110186353B (en) * | 2019-07-08 | 2024-03-05 | 马鞍山钢铁股份有限公司 | Train wheel radial dimension measuring tool and train wheel radial dimension measuring method |
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