Pocket measuring plug gauge for cylindrical roller bearing retainer

Abstract

The utility model provides a pocket measuring plug gauge for a cylindrical roller bearing retainer. The pocket measuring plug gauge comprises a go end, a no-go end and a connecting piece, the go end and the no-go end are respectively connected to two ends of the connecting piece; the go end comprises a first go part, the not-go end comprises a first not-go part, the connecting piece is columnar, each of the first go part and the first not-go part is in a spherical shape with two groups of parallel tangent planes, one group of vertical tangent planes are perpendicular to the central axis of the connecting piece, and the other group of parallel tangent planes are parallel to the central axis of the connecting piece; wherein the diameter size of the first through part corresponds to the lower tolerance size of the diameter of the pocket of the cylindrical roller bearing retainer to be measured, and the diameter size of the first stop part corresponds to the upper tolerance size of the diameter of the pocket of the cylindrical roller bearing retainer to be measured. According to the utility model, technical parameters such as the diameter of the cage pocket can be measured and recorded during processing control, and the production precision of products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cage pocket measuring gauge, especially to a cylindrical roller bearing cage pocket measuring plug gauge. BACKGROUND

[0002] At present, the pocket of cylindrical roller bearing rivetless self-locking cage cannot be directly measured, since the cage is integrally formed and has high precision requirement, and the pocket structure is complex, compared with the ordinary cylindrical roller bearing cage, the pocket diameter cannot be measured. Moreover, the size of the lock of the self-locking cage cannot be measured. Therefore, the field needs a measuring device capable of measuring the pocket diameter and the size of the lock. SUMMARY

[0003] The utility model provides a cylindrical roller bearing cage pocket measuring plug gauge capable of measuring the pocket diameter and the size of the lock in view of the shortage of prior art.

[0004] The utility model provides a cylindrical roller bearing cage pocket measuring plug gauge, include: through end, dead end and connecting piece, the through end with dead end is connected respectively in two ends of connecting piece, the through end includes first through department, dead end includes first dead department, the connecting piece is columnar, first through department with first dead department all are the globosity with two groups of parallel sections, and one group of perpendicular sections is perpendicular with the central axis of connecting piece, another group of parallel sections is parallel with the central axis of connecting piece, wherein, the diameter size of first through department corresponds with the lower tolerance size of the diameter of cylindrical roller bearing cage pocket to be measured, the diameter size of first dead department corresponds with the upper tolerance size of the diameter of cylindrical roller bearing cage pocket to be measured.

[0005] Further, the spherical center of the first through department and the first dead department is on the same straight line with the central axis of the connecting piece.

[0006] Further, on the first through department, one side of the perpendicular section is connected with the connecting piece, and the other side is connected with a second through department; the second through department is columnar, and the parallel section extends to the second through department; the diameter of the second through department corresponds with the lower tolerance of the lock size of the cylindrical roller bearing cage pocket.

[0007] Further, the central axis of the second through department is on the same straight line with the central axis of the connecting piece.

[0008] Further, the coaxiality requirement between the second through department and the first through department is 0.02mm.

[0009] Further, on the first stop part, one side of the vertical section is connected with the connecting piece, and the other side is connected with a second stop part; the second stop part is columnar, and the parallel section extends to the second stop part; the diameter of the second stop part corresponds to the upper tolerance of the cylindrical roller bearing retainer pocket locking dimension.

[0010] Further, the central axis of the second stop part is on the same line with the central axis of the connecting piece.

[0011] Further, the coaxiality requirement between the second stop part and the first stop part is 0.02mm.

[0012] Further, the material of the through end, the stop end and the connecting piece is GCr15, Hrc58~68.

[0013] Further, the surface roughness of the through end, the stop end and the connecting piece ranges from Ra0.07 to Ra0.09.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the first through part and the first stop part can realize the measurement of the pocket diameter, and the second through part and the second stop part can realize the measurement of the pocket locking dimension. The diameter, the locking dimension and other technical parameters of the retainer pocket can be measured and recorded in the machining process control, the precision of the product is improved, the product machining completely meets the technical requirements of the drawing, the transparency and traceability of the machining data are ensured, and the machining without guarantee is eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0016] Figure 1 It is a front view of the cylindrical roller bearing retainer pocket measuring plug gauge of the utility model embodiment;

[0017] Figure 2 It is a side view of the cylindrical roller bearing retainer pocket measuring plug gauge of the utility model embodiment.

[0018] In the drawings, the following are marked:

[0019] 1: through end; 11: first through part; 12: second through part; 2: stop end; 21: first stop part; 22: second stop part; 3: connecting piece; 4: vertical section; 5: parallel section. DETAILED DESCRIPTION

[0020] The technical solutions of the present application will be described clearly and completely in combination with the embodiments. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the present application.

[0021] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0022] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For the person skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] As Figure 1As shown, the utility model provides a cylindrical roller bearing retainer pocket measuring plug gauge, include: through end 1, end 2 and connecting piece 3, through end 1 and end 2 are connected in the both ends of connecting piece 3 respectively, through end 1 includes first pass portion 11, and end 2 includes first stop portion 21, and connecting piece 3 is columnar, and first pass portion 11 and first stop portion 21 are all globular with two groups of parallel sections, and one group of perpendicular sections 4 is perpendicular to the central axis of connecting piece 3, and another group of parallel sections 5 is parallel to the central axis of connecting piece 3, wherein, the diameter size of first pass portion 11 corresponds to the lower tolerance size of the diameter of cylindrical roller bearing retainer pocket to be measured, and the diameter size of first stop portion 21 corresponds to the upper tolerance size of the diameter of cylindrical roller bearing retainer pocket to be measured. The design of first pass portion 11 and first stop portion 21 corresponds to the upper tolerance size of the diameter of cylindrical roller bearing retainer pocket, which can measure the diameter of cylindrical roller bearing retainer pocket. Preferably, the spherical center of first pass portion 11 and first stop portion 21 is located on the same straight line with the central axis of connecting piece 3.

[0024] As Figure 2 shown, on first pass portion 11, one side of perpendicular section 4 is connected with connecting piece 3, and the other side is connected with second pass portion 12; second pass portion 12 is columnar, and parallel section 5 extends to second pass portion 12; the diameter of second pass portion 12 corresponds to the lower tolerance of the size of cylindrical roller bearing retainer pocket. On first stop portion 21, one side of perpendicular section 4 is connected with connecting piece 3, and the other side is connected with second stop portion 22; second stop portion 22 is columnar, and parallel section 5 extends to second stop portion 22; the diameter of second stop portion 22 corresponds to the upper tolerance of the size of cylindrical roller bearing retainer pocket. The design of second pass portion 12 and second stop portion 22 corresponds to the size of cylindrical roller bearing retainer pocket, which can measure the size of cylindrical roller bearing retainer pocket.

[0025] Preferably, the central axis of second pass portion 12 is located on the same straight line with the central axis of connecting piece 3, and the coaxiality between second pass portion 12 and first pass portion 11 is 0.02mm. The central axis of second stop portion 22 is located on the same straight line with the central axis of connecting piece 3, and the coaxiality between second stop portion 22 and first stop portion 21 is 0.02mm.

[0026] In one aspect of the embodiment of the utility model, since the measuring tool belongs to high-precision tooling, is commonly used, must satisfy high-precision, wear resistance, high hardness technical requirement, in a specific embodiment, the material of through end 1, end 2 and connecting piece 3 is GCr15, Hrc58~68, and the surface roughness is Ra0.08.

[0027] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cylindrical roller bearing cage pocket gauge, characterized in that, The utility model relates to a kind of cylindrical roller bearing cage measuring tool, including: Passing end (1), stop end (2) and connecting piece (3); The passing end (1) and the stop end (2) are connected at two ends of the connecting piece (3) respectively; The passing end (1) includes first passing part (11), the stop end (2) includes first stop part (21), the connecting piece (3) is columnar, the first passing part (11) and the first stop part (21) are both spherical with two groups of parallel sections, and one group of vertical sections (4) is perpendicular to the center axis of the connecting piece (3), another group of parallel sections (5) is parallel to the center axis of the connecting piece (3); Wherein, the diameter size of the first passing part (11) corresponds with the lower tolerance size of the diameter of the cylindrical roller bearing cage pocket to be measured, and the diameter size of the first stop part (21) corresponds with the upper tolerance size of the diameter of the cylindrical roller bearing cage pocket to be measured.

2. The cylindrical roller bearing cage pocket gauge of claim 1, wherein, The spherical center of the first passing part (11) and the first stop part (21) is on the same straight line with the center axis of the connecting piece (3).

3. The cylindrical roller bearing cage pocket gauge of claim 2, wherein, On the first passing part (11), one side of the vertical section (4) is connected with the connecting piece (3), and the other side is connected with second passing part (12);The second passing part (12) is columnar, and the parallel section (5) extends to the second passing part (12);The diameter of the second passing part (12) corresponds with the lower tolerance of the cylindrical roller bearing cage pocket lock size.

4. The cylindrical roller bearing cage pocket gauge of claim 3, wherein, The center axis of the second passing part (12) is on the same straight line with the center axis of the connecting piece (3).

5. The cylindrical roller bearing cage pocket gauge of claim 4, wherein, The coaxiality requirement between the second passing part (12) and the first passing part (11) is 0.02mm.

6. The cylindrical roller bearing retainer pocket gauge of claim 2, wherein, On the first stop part (21), one side of the vertical section (4) is connected with the connecting piece (3), and the other side is connected with second stop part (22);The second stop part (22) is columnar, and the parallel section (5) extends to the second stop part (22);The diameter of the second stop part (22) corresponds with the upper tolerance of the cylindrical roller bearing cage pocket lock size.

7. The cylindrical roller bearing cage pocket gauge of claim 6, wherein, The center axis of the second stop part (22) is on the same straight line with the center axis of the connecting piece (3).

8. The cylindrical roller bearing cage pocket gauge of claim 7, wherein, The coaxiality requirement between the second stop part (22) and the first stop part (21) is 0.02mm.

9. The cylindrical roller bearing cage pocket gauge of any one of claims 1-8, wherein, The material of the passing end (1), stop end (2) and connecting piece (3) is GCr15, Hrc58~68.

10. The cylindrical roller bearing cage pocket gauge of claim 9, wherein, The surface roughness range of the passing end (1), stop end (2) and connecting piece (3) is Ra0.07~Ra0.09.

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