Go-no go gauge for detecting raceway groove width of cylindrical roller bearing
By designing the cylindrical roller bearing raceway groove width inspection gauges, the minimum and maximum size of the raceway are detected by arc-shaped cylindrical roller bearings, the problems of measurement error and operation instability in the prior art are solved, and the detection is improved Accuracy and product quality.
Patent Information
- Application Number
- CN202420994195.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The prior art has manufacturing errors, use errors and operating instability when detecting the raceway width of cylindrical roller bearings, resulting in inaccurate measurement results and affecting product quality and performance.
A cylindrical roller bearing raceway groove width inspection pass-by gauges are designed, including a plate-type pass-by gauge body. The pass-by end and the stop end are used to detect the minimum and maximum sizes of the raceway respectively. The pass-by end and the stop end are arcs. The shaped surface facilitates insertion and rotation, and grooves and through-holes are provided thereon for easy operation.
Through inspection of the through-end and ends, we ensure that the bearing raceway size is within the allowable range, which improves measurement accuracy and operational convenience, reduces errors, and ensures that the product quality is qualified.
Smart Images
Figure CN222188102U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cylindrical roller bearing raceway dimension inspection, and in particular provides a go / no-go gauge for inspecting the raceway groove width of a cylindrical roller bearing. Background Art
[0002] In the actual bearing inspection process, when testing the raceway width of cylindrical roller bearings with double or multiple flanges, calipers or rollers plus feeler gauges are used. Usually, quality inspectors place the measuring claws of the caliper between the two flanges of the bearing and then read the measurement results. Ensure that the size of the bearing is within the allowable range to ensure its quality and performance. However, calipers have manufacturing errors and usage errors in use. Manufacturing errors may include slight deviations in the scale of the caliper or incomplete alignment of the two probes. Usage errors may be caused by improper operation or the caliper being affected by external forces, such as unstable hands, incomplete contact between the caliper probe and the surface of the object being measured, and it is very troublesome to measure one by one. The measurement method of roller plus feeler gauge also generally has manufacturing errors and usage errors. The manufacturing error of the roller itself and the manufacturing error of the feeler gauge itself, the two added together are double superposition errors. The different hand strengths of different inspectors will also affect the final measurement results. In addition, since the inspectors perform manual operations each time, it cannot be guaranteed that the force applied to the ribs of each ring remains consistent. Under the influence of various errors, products that exceed the drawing tolerance will flow to the next process. Therefore, under this background and combined with actual production, the utility model designs a go / no-go gauge for inspecting the raceway groove width of a cylindrical roller bearing. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a go / no-go gauge for inspecting the raceway groove width of a cylindrical roller bearing.
[0004] The utility model is implemented in this way, providing a go / no-go gauge for checking the groove width of a cylindrical roller bearing raceway, comprising a plate-shaped go / no-go gauge body, one end of the go / no-go gauge body being a through end, and the other end away from the through end being a stop end, the width of the groove width of the cylindrical roller bearing raceway is slightly larger than the width of the through end and slightly smaller than the width of the stop end, and the two ends of the through end and the stop end contacting the cylindrical roller bearing raceway are arc-shaped surfaces.
[0005] Preferably, first grooves are provided on both sides of the go / no-go gauge body between the through end and the stop end.
[0006] Further preferably, a second groove is provided on both the through end and the stop end, and a clamping groove is provided at the center of the second groove.
[0007] Further preferably, at least one through hole is provided on the go / no-go gauge body.
[0008] Further preferably, the total length of the go / no-go gauge body is 65 mm; the width of the through end is the limit minimum value of the cylindrical roller bearing raceway groove width + 0.005 mm, and the width of the stop end is the limit maximum value of the cylindrical roller bearing raceway groove width - 0.005 mm.
[0009] Compared with the prior art, the advantages of the utility model are:
[0010] A go / no-go gauge for checking the groove width of a cylindrical roller bearing raceway is provided. The minimum size of the raceway is checked through the go end, and the maximum size of the raceway is checked through the no-go end, so as to ensure that the product rotates normally during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The present invention is further described in detail below with reference to the accompanying drawings and implementation modes:
[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0013] Figure 2 This is a side view of the structure of the utility model;
[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 4 This is a schematic diagram of the utility model in use (used on a double-rib cylindrical roller bearing). DETAILED DESCRIPTION
[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0017] refer to Figure 1-Figure 4 The utility model provides a go / no-go gauge for checking the groove width of a cylindrical roller bearing raceway, comprising a plate-shaped go / no-go gauge body, one end of the go / no-go gauge body being a through end 1, and the other end away from the through end 1 being a stop end 2, the width of the groove width of the cylindrical roller bearing raceway is slightly larger than the width of the through end 1, and slightly smaller than the width of the stop end 2, and the two ends where the through end 1 and the stop end 2 contact with the raceway of the cylindrical roller bearing are arc-shaped surfaces.
[0018] When the utility model is used to inspect the groove width of the cylindrical roller bearing raceway, the through end 1 of the through and stop gauge is inserted into the raceway in an inclined state, and turned straight after being inserted to the bottom. The stop end 2 is held and the through end 1 is rotated one circle in the raceway along the circumference of the raceway. If the rotation process is smooth and there is no jamming, the finished size of the bearing raceway is within the minimum value range. Then the through end 1 is pulled out from the raceway, and the stop end 2 is inserted into the raceway in an inclined state, and turned straight after being inserted to the bottom. When the stop end 2 cannot be turned completely vertically or is stuck in the raceway and cannot be moved, the stop end 2 is taken out and this operation is repeated in multiple places in the raceway. The stop end 2 is stuck in the raceway and cannot be moved. Then the finished size of the bearing raceway is within the maximum value range. The inspections of the through end and the stop end meet the above standards, and the bearing raceway size is qualified.
[0019] When it is a double-rib cylindrical roller bearing, the bearing has only one raceway, so it only needs to be tested once with the through end 1 and the stop end 2 respectively; when it is a multi-rib cylindrical roller bearing, there are two or more raceways, and each raceway needs to be tested separately using the through end and the stop end of the utility model.
[0020] In this embodiment, in order to facilitate the straightening of the through end 1 and the stop end 2 after being inserted into the raceway, the two ends of the through end 1 and the stop end 2 contacting the raceway of the cylindrical roller bearing are set as arc surfaces.
[0021] In order to facilitate the gripping of the go / no-go gauge during the dimension inspection or the processing, as an improvement of the technical solution, first grooves 3 are provided on both sides of the go / no-go gauge body between the through end 1 and the stop end 2 .
[0022] In order to facilitate the clamping and fixing of the go / no-go gauge during the processing, as an improvement of the technical solution, a second groove 4 is provided on the through end 1 and the stop end 2 , and a clamping groove 5 is provided in the center of the second groove 4 .
[0023] In order to further reduce the weight of the go / no-go gauge and facilitate gripping during operation, as an improvement of the technical solution, at least one through hole 6 is provided on the go / no-go gauge body.
[0024] Preferably, the total length of the go / no-go gauge body is 65 mm; the width of the through end 1 is the limit minimum value of the cylindrical roller bearing raceway groove width + 0.005 mm, and the width of the stop end 2 is the limit maximum value of the cylindrical roller bearing raceway groove width - 0.005 mm.
[0025] By increasing the minimum limit size of the bearing raceway groove width by 0.005mm and reducing the maximum limit size by 0.005mm, the tolerance can be compressed, the measurement accuracy can be improved, and the product quality can be guaranteed.
[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.
Claims
1. A go / no-go gauge for testing the raceway width of cylindrical roller bearings. It is characterized in that The invention comprises a plate-shaped go / no-go gauge body, wherein one end of the go / no-go gauge body is a through end (1), and the other end away from the through end (1) is a stop end (2). The width of the groove of the cylindrical roller bearing raceway is slightly larger than the width of the through end (1) and slightly smaller than the width of the stop end (2). The two ends of the through end (1) and the stop end (2) contacting the cylindrical roller bearing raceway are arc-shaped surfaces.
2. The cylindrical roller bearing raceway groove width inspection go and no-go gauge according to claim 1, It is characterized in that First grooves (3) are provided on both sides of the go / no-go gauge body between the through end (1) and the stop end (2).
3. The cylindrical roller bearing raceway groove width inspection go / no-go gauge according to claim 1, It is characterized in that A second groove (4) is provided on the through end (1) and the stop end (2), and a clamping groove (5) is provided at the center of the second groove (4).
4. The cylindrical roller bearing raceway groove width inspection go / no-go gauge according to claim 1, It is characterized in that At least one through hole (6) is provided on the go / no-go gauge body.
5. The cylindrical roller bearing raceway groove width inspection go / no-go gauge according to claim 1, It is characterized in that The total length of the go / no-go gauge body is 65 mm; the width of the through end (1) is the minimum limit value of the cylindrical roller bearing raceway groove width + 0.005 mm, and the width of the stop end (2) is the maximum limit value of the cylindrical roller bearing raceway groove width - 0.005 mm.