Railway wheel rim surface parallelism detection device
Patent Information
- Application Number
- CN202521972685.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-15
- Publication Date
- 2026-08-18
- Estimated Expiration
- 2035-09-15
AI Technical Summary
踏面采用内径大、外径小的锥形结构,在制造时围绕踏面圆周并沿厚度方向延伸的轮辋两侧表面平行度会影响后续车轮在铁路运行中的安全,因此为确保铁路车轮制造是否符合要求需对车轮轮辋平行度进行检测,现有技术中常通过采用人工手动测量的方式进行检测平行度,不仅检测精度低,还严重影响了生产效率
[0011] This utility model has a simple structure and can convert the parallelism values on both sides of the rim into dial indicator readings, thus obtaining the parallelism values simply and intuitively, effectively improving the inspection efficiency. The whole structure adopts a rigid connection, which ensures structural stability during inspection and effectively improves the inspection accuracy.
Smart Images

Figure CN224650527U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of testing technology, and in particular relates to a device for testing the parallelism of the surface of railway wheel rims. Background Technology
[0002] Railway wheels consist of a hub, spokes, and rim. The standardized flange height design effectively secures the wheel to the rail groove, preventing derailment. The tread adopts a conical structure with a large inner diameter and a small outer diameter. During manufacturing, the parallelism of the two rim surfaces extending along the thickness direction around the tread circumference affects the safety of subsequent wheels during railway operation. Therefore, to ensure that railway wheel manufacturing meets requirements, the parallelism of the wheel rim must be inspected. Current technology often uses manual measurement to inspect parallelism, which not only has low accuracy but also severely impacts production efficiency. Utility Model Content
[0003] To address some or all of the technical problems existing in the prior art, this utility model provides a railway wheel rim surface parallelism detection device, comprising a main frame, a first clamping frame, a second clamping frame, a rolling assembly, and a measuring device. The first clamping frame is disposed at the top front end of the main frame, the second clamping frame is disposed at the top middle of the main frame, the rolling assembly is disposed on the first clamping frame and the second clamping frame respectively, and is used for the main frame to rotate along the circumference of the wheel. The measuring device is disposed at the rear end of the main frame and is used for detecting the parallelism of the wheel rim surface.
[0004] Furthermore, in the above-mentioned railway wheel rim surface parallelism detection device, the main frame includes a main support rod, a first support rod, and a second support rod. The main support rod is arranged in an F-shape with the first support rod and the second support rod. The length of the first support rod is greater than the length of the second support rod, and the length of the main support rod is greater than or equal to the wheel thickness.
[0005] Furthermore, in the above-mentioned railway wheel rim surface parallelism detection device, the first clamping frame is symmetrically provided with first mounting grooves at both ends, the first mounting grooves are arranged parallel to the main support rod, and the first clamping frame and the first support rod are welded in a T-shape.
[0006] Furthermore, in the above-mentioned railway wheel rim surface parallelism detection device, the second clamping frame is T-shaped, and the upper two sides and the lower bottom of the second clamping frame are provided with second mounting grooves. The second mounting grooves are perpendicular to the main support rod, and the upper middle part of the second clamping frame is welded to the top of the second support rod.
[0007] Furthermore, in the above-mentioned railway wheel rim surface parallelism detection device, the rolling assembly includes a roller bearing and a bearing fastening bolt, and the roller bearing is respectively installed on the first mounting groove and the second mounting groove by the bearing fastening bolt.
[0008] Furthermore, in the above-mentioned railway wheel rim surface parallelism detection device, the measuring device includes a measuring bracket, a measuring instrument, and a fixing bolt. The measuring bracket is welded to the end of the main support rod. The length of the measuring bracket is longer than that of the first support rod. An installation hole is provided at the upper end of the measuring bracket. The center of the installation hole corresponds to the top of the first support rod. A threaded hole is provided between the top of the measuring bracket and the installation hole. The fixing bolt is threaded into the threaded hole. The measuring instrument is set in the installation hole and fixed by the fixing bolt.
[0009] Furthermore, in the above-mentioned railway wheel rim surface parallelism detection device, the measuring instrument can be a dial indicator or a digital dial indicator.
[0010] The parallelism detection device for railway wheel rim surface of this utility model has the following advantages and beneficial effects:
[0011] This utility model has a simple structure and can convert the parallelism values on both sides of the rim into dial indicator readings, thus obtaining the parallelism values simply and intuitively, effectively improving the inspection efficiency. The whole structure adopts a rigid connection, which ensures structural stability during inspection and effectively improves the inspection accuracy. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for further understanding of the embodiments of the present invention and constitute a part of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:
[0013] Figure 1 This is a three-dimensional structural diagram of the railway wheel rim surface parallelism detection device of this utility model;
[0014] Figure 2 This is a front view of the railway wheel rim surface parallelism detection device of this utility model;
[0015] Figure 3 This is a top view of the railway wheel rim surface parallelism detection device of this utility model;
[0016] Figure 4 This is a left view of the railway wheel rim surface parallelism detection device of this utility model.
[0017] Explanation of reference numerals in the attached figures:
[0018] 1: Main frame; 11: Main support rod; 12: First support rod; 13: Second support rod;
[0019] 2: First clamping frame; 21: First mounting slot;
[0020] 3: Second clamping bracket; 31: Second mounting slot;
[0021] 4: Rolling assembly; 41: Roller bearing; 42: Bearing fastening bolt;
[0022] 5: Measuring device;
[0023] 51: Measuring bracket; 511: Mounting hole; 512: Threaded hole;
[0024] 52: Measuring instruments; 53: Fixing bolts. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0026] like Figures 1 to 4 As shown, the railway wheel rim surface parallelism detection device of this utility model includes a main frame 1, a first clamping frame 2, a second clamping frame 3, a rolling assembly 4, and a measuring device 5. The first clamping frame 2 is located at the top front end of the main frame 1, the second clamping frame 3 is located at the top middle of the main frame 1, the rolling assembly 4 is respectively located on the first clamping frame 2 and the second clamping frame 3, and is used for the main frame 1 to rotate along the circumference of the wheel. The measuring device 5 is located at the rear end of the main frame 1 and is used to detect the parallelism of the wheel rim surface.
[0027] Furthermore, in the railway wheel rim surface parallelism detection device of this utility model, the main frame 1 includes a main support rod 11, a first support rod 12, and a second support rod 13. The main support rod 11 is arranged in an F-shape with the first support rod 12 and the second support rod 13. The length of the first support rod 12 is greater than the length of the second support rod 13, and the length of the main support rod 11 is greater than or equal to the wheel thickness, so that the main frame 1 can be easily clamped on one side of the circumference of the wheel.
[0028] Furthermore, in the parallelism detection device for the surface of the railway wheel rim of this utility model, the first clamping frame 2 is symmetrically provided with first mounting grooves 21 at both ends. The first mounting grooves 21 are arranged parallel to the main support rod 11. The first clamping frame 2 and the first support rod 12 are welded in a T-shape, so that the first clamping frame 2 is parallel to the inner surface of the rim.
[0029] Furthermore, in the parallelism detection device for the surface of the railway wheel rim of this utility model, the second clamping frame 3 is arranged in a T-shape. The upper two sides and the lower bottom of the second clamping frame 3 are provided with second mounting grooves 31. The second mounting grooves 31 are arranged perpendicularly to the main support rod 11. The upper middle part of the second clamping frame 3 is welded to the top of the second support rod 13, so that the second clamping frame 3 is parallel to the tread surface.
[0030] Furthermore, in the parallelism detection device for the surface of the railway wheel rim of this utility model, the rolling assembly 4 includes a roller bearing 41 and a bearing fastening bolt 42. The roller bearing 41 is installed on the first mounting groove 21 and the second mounting groove 31 respectively by the bearing fastening bolt 42, so that the roller bearing 41 on the first mounting groove 21 is in contact with the inner surface of the rim, and the roller bearing 41 on the second mounting groove 31 is in contact with the tread surface.
[0031] Furthermore, in the parallelism detection device for the surface of the railway wheel rim of this utility model, the measuring device 5 includes a measuring bracket 51, a measuring instrument 52, and a fixing bolt 53. The measuring bracket 51 is welded to the end of the main support rod 11. The length of the measuring bracket 51 is longer than that of the first support rod 12. The upper end of the measuring bracket 51 has a mounting hole 511. The center of the mounting hole 511 corresponds to the top of the first support rod 12. A threaded hole 512 is provided between the top of the measuring bracket 51 and the mounting hole 511. The fixing bolt 53 is threadedly engaged with the threaded hole 512. The measuring instrument 52 is set in the mounting hole 511 and fixed by the fixing bolt 53, so that the measuring point of the measuring instrument 52 is in contact with the outer surface of the wheel rim.
[0032] Furthermore, in the parallelism detection device for the surface of railway wheel rims of this utility model, the measuring instrument 52 can be a dial indicator or a digital dial indicator.
[0033] Specifically, when testing the parallelism of the wheel rim, the main frame 1 is first clamped onto one side of the wheel to be tested, and the roller bearing 41 on the first mounting groove 21 is in contact with the inner surface of the rim, and the roller bearing 41 on the second mounting groove 31 is in contact with the tread surface. At this time, the dial indicator is zeroed and inserted through the mounting hole 511, so that the dial indicator head is in contact with the outer surface of the rim. The dial indicator is then fixed by tightening the fixing bolt 53. The reading of the dial indicator is the parallelism value of the inner and outer surfaces of the wheel rim.
[0034] In summary, compared with the prior art, the railway wheel rim surface parallelism detection device of this utility model has the following advantages and beneficial effects:
[0035] This utility model has a simple structure and can convert the parallelism values on both sides of the rim into dial indicator readings, thus obtaining the parallelism values simply and intuitively, effectively improving the inspection efficiency. The whole structure adopts a rigid connection, which ensures structural stability during inspection and effectively improves the inspection accuracy.
[0036] It should be noted that, unless otherwise expressly specified and limited, the term "connection" or its synonyms should be interpreted broadly in this document. For example, "connection" can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two elements or the interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. Furthermore, expressions such as "first" and "second" are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Meanwhile, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In addition, the terms "front," "rear," "left," "right," "upper," and "lower" in this document refer to the placement states shown in the accompanying drawings.
[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A railway wheel rim surface parallelism detection device, characterized by, The railway wheel rim surface parallelism detection device includes a main frame, a first clamping frame, a second clamping frame, a rolling assembly, and a measuring device. The first clamping frame is located at the top front end of the main frame, the second clamping frame is located at the top middle of the main frame, the rolling assembly is respectively located on the first clamping frame and the second clamping frame, and is used for the main frame to rotate along the circumference of the wheel. The measuring device is located at the rear end of the main frame and is used for detecting the parallelism of the wheel rim surface.
2. The railway wheel rim surface parallelism detection device according to claim 1, characterized in that, The main frame includes a main support rod, a first support rod, and a second support rod. The main support rod is arranged in an F-shape with the first support rod and the second support rod. The length of the first support rod is greater than the length of the second support rod, and the length of the main support rod is greater than or equal to the wheel thickness.
3. The railway wheel rim surface parallelism detection device according to claim 2, characterized in that, The first clamping frame has symmetrical first mounting grooves at both ends. The first mounting grooves are parallel to the main support rod. The first clamping frame and the first support rod are welded in a T-shape.
4. The railway wheel rim surface parallelism detection device according to claim 3, characterized in that, The second clamping frame is T-shaped, and the upper two sides and the lower bottom of the second clamping frame are provided with second mounting grooves. The second mounting grooves are perpendicular to the main support rod, and the upper middle part of the second clamping frame is welded to the top of the second support rod.
5. The railway wheel rim surface parallelism detection device according to claim 4, characterized in that, The rolling assembly includes a roller bearing and a bearing fastening bolt, wherein the roller bearing is mounted on the first mounting groove and the second mounting groove respectively by the bearing fastening bolt.
6. The railway wheel rim surface parallelism detection device according to claim 2, characterized in that, The measuring device includes a measuring bracket, a measuring instrument, and a fixing bolt. The measuring bracket is welded to the end of the main support rod. The measuring bracket is longer than the first support rod. The upper end of the measuring bracket has a mounting hole, the center of which corresponds to the top of the first support rod. A threaded hole is formed between the top of the measuring bracket and the mounting hole. The fixing bolt is threaded into the threaded hole. The measuring instrument is set in the mounting hole and fixed by the fixing bolt.
7. The railway wheel rim surface parallelism detection device according to claim 6, characterized in that, The measuring instrument can be a dial indicator or a digital dial indicator.