Bearing projection measuring tool

Abstract

The utility model discloses a bearing projection measuring tool, which belongs to the technical field of bearing detection and comprises a bottom plate, a positioning column and a measuring block. The positioning column is formed by fixedly connecting a pin column at the upper end and a base at the lower end, the pin column is connected with a bearing inner ring in an inserted mode, and the side wall of the pin column is provided with an adjustable inner supporting mechanism used for supporting the bearing inner ring so as to fix bearings of different specifications. The bottom plate is provided with a connecting assembly used for being connected with the base. One end of the measuring block is fixedly provided with a first convex block, and the other end of the measuring block is fixedly provided with a second convex block and an annular block; through the above mode, through the cooperation of the base plate, the positioning column and the measuring block, the measuring device realizes the measurement of the protruding amount of the bearing, is simple in structure, small in occupied space and low in processing cost, effectively facilitates the measurement, can meet the measurement requirements of bearings of different specifications through adjusting the adjustable inner support mechanism, and is convenient to use. The adjustment is fast.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing detection, and particularly relates to a measuring tool for bearing protrusion amount. Background Art

[0002] A bearing is a mechanical component used to support rotation. Before leaving the factory, the bearing needs to undergo multiple test operations such as dimensional inspection, protrusion amount inspection, and temperature inspection.

[0003] Chinese Patent CN220170110U discloses a measuring tool for the protrusion amount of angular contact bearings, including a detection platform and a measuring ring platform. A limiting shaft is provided on the detection platform, and the inner ring of the bearing to be measured can be sleeved on the limiting shaft to limit the bearing and prevent the bearing from displacing during measurement. However, this tooling is difficult to meet the positioning tooling requirements for bearings of different specifications.

[0004] Based on this, the utility model designs a measuring tool for bearing protrusion amount to solve the above problems. Content of the Utility Model

[0005] In view of the above-mentioned drawbacks of the prior art, the utility model provides a measuring tool for bearing protrusion amount.

[0006] To achieve the above object, the utility model is realized through the following technical solutions:

[0007] A measuring tool for bearing protrusion amount, including a bottom plate, a positioning column, and a measuring block;

[0008] The positioning column is fixedly connected by a pin column at the upper end and a base at the lower end. The pin column is inserted into the inner ring of the bearing, and an adjustable inner support mechanism for supporting the inner ring of the bearing to fix bearings of different specifications is provided on the side wall of the pin column;

[0009] A connecting component for connecting with the base is provided on the bottom plate;

[0010] The diameter of the measuring block is larger than the outer diameter of the bearing; a first convex block is fixedly installed at one end of the measuring block, and the first convex block is used to contact the inner ring of the bearing;

[0011] A second convex block and an annular block are fixedly installed at the other end of the measuring block. The second convex block is located on the outer edge of the measuring block and is used to contact the outer ring of the bearing; the annular block is located in the middle of the bearing measuring block;

[0012] The end face of the second convex block away from the measuring block is set as an inner ring measuring surface for contacting the measuring probe;

[0013] The end face of the first convex block away from the measuring block is set as an outer ring measuring surface for contacting the measuring probe.

[0014] Further, the first convex block is concentric with the measuring block, and the diameter of the first convex block is larger than the diameter of the inner ring of the bearing and smaller than the diameter of the outer ring of the bearing.

[0015] Further, both the second convex block and the annular block are concentric with the measuring block; the diameter of the annular block is smaller than the diameter of the outer ring of the bearing.

[0016] Further, the adjustable inner support mechanism includes an inner support assembly and an adjustment assembly. The inner support assembly is arranged inside the pin column, and the adjustment assembly is arranged inside the base.

[0017] Further, the inner support assembly includes a limiting groove, a support block, a driving inclined surface and a guiding surface. A plurality of limiting grooves are evenly arranged at equal intervals in a circumferential array on the side wall of the pin column, and a support block is slidably connected in the limiting groove in a limiting manner; a guiding surface is arranged on the upper side of the outer end of the support block to facilitate the bearing to be sleeved outside the support block; a driving inclined surface is arranged on the lower side of the inner end of the support block.

[0018] Further, the adjustment assembly includes a top rod, a conical head, a fixing column and a rubber ring. An activity groove for accommodating the top rod is opened in the base, and threads for making the top rod and the activity groove be threadedly connected are arranged on the surface of the top rod and the inner wall of the activity groove; a conical head which is in sliding connection with the driving inclined surface in a matching manner is fixedly installed at the top of the top rod.

[0019] Further, fixing columns are fixedly installed on the upper sides of the inner ends of the support blocks, and the rubber ring is sleeved outside all the fixing columns.

[0020] Further, the connection assembly includes a jack and an avoidance groove. A jack for inserting and connecting with the base is opened on the bottom plate, and an avoidance groove for accommodating the top rod is opened at the bottom of the jack.

[0021] Compared with the prior art, the beneficial effects of the present utility model are as follows: 1. The present utility model realizes the measurement operation of the protrusion amount of the bearing through the combined cooperation of the bottom plate, the positioning column and the measuring block. It not only has a simple structure, small occupied space and low processing cost, but also effectively facilitates the measurement operation. At the same time, by adjusting the adjustable inner support mechanism, the measurement requirements for bearings of different specifications can be met, and the adjustment is quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0023] Figure 1 is a three-dimensional view of a bearing protrusion amount measuring tooling of the present utility model;

[0024] Figure 2 Exploded view of a bearing protrusion measurement tooling of the present utility model;

[0025] Figure 3 Structural schematic diagram of the measuring block of the present utility model;

[0026] Figure 4 Front sectional view of the present utility model;

[0027] Figure 5 Structural schematic diagram of the adjustable inner support mechanism of the present utility model.

[0028] The reference numerals in the figure respectively represent:

[0029] 11, base plate; 11, jack; 12, avoidance groove; 2, positioning column; 21, pin column; 22, base; 3, test block 31, first convex block; 32, second convex block; 33, annular block; 34, inner ring measurement surface; 35, outer ring measurement surface; 4, adjustable inner support mechanism; 41, limit groove; 42, support block; 43, driving inclined surface; 44, guiding surface; 45, ejector rod; 46, conical head; 47, fixed column; 48, rubber ring; 49, movable groove. Specific implementation manners

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] Embodiment 1: In some embodiments, please refer to Figures 1 - 4 in the accompanying drawings of the specification, a bearing protrusion measurement tooling includes a base plate 1, a positioning column 2 and a measuring block 3;

[0032] including 1, 2 and 3,

[0033] The positioning column 2 is fixedly connected by a pin column 21 at the upper end and a base 22 at the lower end. The pin column 21 is inserted into the inner ring of the bearing, and an adjustable inner support mechanism 4 for supporting the inner ring of the bearing to fix bearings of different specifications is provided on the side wall of the pin column 21;

[0034] A connection assembly for connecting with the base 22 is provided on the base plate 1;

[0035] The diameter of the measuring block 3 is greater than the outer diameter of the bearing; a first convex block 31 is fixedly installed at one end of the measuring block 3, and the first convex block 31 is used to contact the inner ring of the bearing; the first convex block 31 is concentric with the measuring block 3, and the diameter of the first convex block 31 is greater than the diameter of the inner ring of the bearing and less than the diameter of the outer ring of the bearing;

[0036] A second convex block 32 and an annular block 33 are fixedly installed at the other end of the measuring block 3, and both the second convex block 32 and the annular block 33 are concentric with the measuring block 3; the second convex block 32 is located at the outer edge of the measuring block 3 and is used to contact the outer ring of the bearing; the annular block 33 is located in the middle of the bearing measuring block 3, and the diameter of the annular block 33 is less than the diameter of the outer ring of the bearing;

[0037] When the first convex block 31 is placed downward on the inner ring of the bearing, the second convex block 32 and the annular block 33 face upward, and the upper end surface of the second convex block 32 is set as an inner ring measuring surface 34 for contacting the measuring probe;

[0038] When the second convex block 32 is placed downward on the inner ring of the bearing, the annular block 33 is inserted into the hole of the inner ring of the bearing to position the bearing, the first convex block 31 faces upward, and the upper end surface of the first convex block 31 is set as an outer ring measuring surface 35 for contacting the measuring probe.

[0039] In the present utility model, first, the base 22 of the positioning column 2 is fixed on the bottom plate 1 through the connecting component, and then the bearing is inserted into the pin 21 of the positioning column 2 so that the bearing is placed on the base 22 and positioned by the pin 21. Subsequently, the measuring block 3 is placed on the bearing and the measuring block 3 is rotated; when the annular block 33 faces upward, the measuring probe of the protrusion measuring instrument is placed on the inner ring measuring surface 34, and when the first convex block 31 faces upward, the measuring probe of the protrusion measuring instrument is placed on the first convex block 31, and values such as the surface height and the height difference are read. The difference between the two surface heights is the protrusion amount of the measured bearing;

[0040] The present utility model realizes the measurement operation of the protrusion amount of the bearing through the common cooperation of the bottom plate 1, the positioning column 2 and the measuring block 3. It not only has a simple structure, small occupied space and low processing cost, but also effectively facilitates the measurement operation. At the same time, by adjusting the adjustable inner support mechanism 4, the measurement requirements for bearings of different specifications can be met, and the adjustment is fast.

[0041] Embodiment 2: In some embodiments, please refer to the Figure 4 and Figure 5 of the specification drawings. The adjustable inner support mechanism 4 includes an inner support component and an adjustment component. The inner support component is arranged in the pin 21, and the adjustment component is arranged in the base 22.

[0042] The inner support assembly includes a limit groove 41, a support block 42, a driving inclined surface 43, and a guiding surface 44. A plurality of limit grooves 41 are evenly formed at equal intervals in a circumferential array on the side wall of the pin 21, and a support block 42 is slidably connected in the limit groove 41 in a limited manner; a guiding surface 44 is provided on the upper side of the outer end of the support block 42 to facilitate the bearing to be sleeved outside the support block 42; a driving inclined surface 43 is provided on the lower side of the inner end of the support block 42;

[0043] The adjusting assembly includes a top rod 45, a tapered head 46, a fixing column 47, and a rubber ring 48. An activity groove 49 for accommodating the top rod 45 is formed in the base 22, and threads for threadedly connecting the top rod 45 and the activity groove 49 are provided on the surface of the top rod 45 and the inner wall of the activity groove 49; a tapered head 46 that is slidably connected in cooperation with the driving inclined surface 43 is fixedly installed at the top of the top rod 45;

[0044] Fixing columns 47 are fixedly installed on the upper sides of the inner ends of the support blocks 42, and the rubber ring 48 is sleeved outside all the fixing columns 47;

[0045] In the present utility model, by rotating the top rod 45 to make the top rod 45 extend into the activity groove 49, the top rod 45 pushes open the support block 42 through the cooperation of the tapered head 46 and the driving inclined surface 43, so that the support block 42 synchronously moves centering outward from the pin 21 under the limiting action of the limit groove 41, realizing the centering and positioning of the inner ring of the bearing; when the top rod 45 resets, the rubber ring 48 drives the support block 42 to reset through the fixing column 47, so that the support block 42 synchronously contracts centering; by adjusting the position of the support block 42 through the top rod 45, the measuring tooling can meet the positioning requirements for bearings of different specifications.

[0046] The connection assembly includes a jack 11 and an avoidance groove 12. A jack 11 for inserting the base 22 is formed on the bottom plate 1, and an avoidance groove 12 for accommodating the top rod 45 is formed at the bottom of the jack 11. By inserting the base 22 into the jack 11, a quick fixing effect on the positioning column 2 can be achieved.

[0047] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. A bearing protrusion measurement tool, comprising a base plate (1), a positioning column (2) and a measuring block (3), characterized in that: The positioning column (2) is composed of a pin column (21) at the upper end and a base (22) at the lower end, the pin column (21) is plugged into the inner ring of the bearing, and the side wall of the pin column (21) is provided with an adjustable inner support mechanism (4) for supporting the inner ring of the bearing to fix bearings of different specifications; The bottom plate (1) is provided with a connection assembly for connecting to a base (22); The diameter of the measuring block (3) is greater than the outer diameter of the bearing; a first convex block (31) is fixedly mounted on one end of the measuring block (3), and the first convex block (31) is used to contact the inner ring of the bearing; A second convex block (32) and an annular block (33) are fixedly mounted on the other end of the measuring block (3); the second convex block (32) is located at the outer edge of the measuring block (3) and is used to contact the outer ring of the bearing; the annular block (33) is located in the middle of the bearing measuring block (3); An end surface of the second convex block (32) away from the measuring block (3) is set as an inner ring measuring surface (34) for contacting the measuring probe; The end surface of the first convex block (31) away from the measuring block (3) is set as an outer ring measuring surface (35) for contacting the measuring probe.

2. The bearing protrusion measuring tool according to claim 1, characterized in that: The first convex block (31) is concentric with the measuring block (3), and the diameter of the first convex block (31) is larger than the diameter of the inner ring of the bearing and smaller than the diameter of the outer ring of the bearing.

3. The bearing protrusion measuring tool according to claim 2, characterized in that: The second convex block (32) and the annular block (33) are both concentric with the measuring block (3); the diameter of the annular block (33) is smaller than the diameter of the outer ring of the bearing.

4. The bearing protrusion measuring tool according to claim 3 is characterized in that: The adjustable inner support mechanism (4) comprises an inner support component and an adjustment component, wherein the inner support component is arranged in the pin column (21) and the adjustment component is arranged in the base (22).

5. The bearing protrusion measuring tool according to claim 4, characterized in that: The inner support assembly comprises a limit groove (41), a support block (42), a driving inclined surface (43) and a guide surface (44); a plurality of limit grooves (41) are evenly arranged at equal intervals in a circular array on the side wall of the pin column (21); a support block (42) is limit-slidably connected inside the limit groove (41); a guide surface (44) is provided on the upper side of the outer end of the support block (42) to facilitate the bearing sleeve connection on the outer side of the support block (42); and a driving inclined surface (43) is provided on the lower side of the inner end of the support block (42).

6. The bearing protrusion measuring tool according to claim 5, characterized in that: The adjustment assembly comprises a push rod (45), a conical head (46), a fixing column (47) and a rubber ring (48); a movable groove (49) for accommodating the push rod (45) is provided in the base (22); a thread for threading the push rod (45) and the movable groove (49) is provided on the surface of the push rod (45) and the inner wall of the movable groove (49); and a conical head (46) is fixedly mounted on the top of the push rod (45) and is slidably connected to the driving inclined surface (43).

7. The bearing protrusion measuring tool according to claim 6, characterized in that: A fixing column (47) is fixedly mounted on the upper side of the inner end of the support block (42), and a rubber ring (48) is sleeved on the outer side of all the fixing columns (47).

8. The bearing protrusion measuring tool according to claim 7, characterized in that: The connection assembly comprises a socket (11) and an avoidance groove (12); the bottom plate (1) is provided with a socket (11) for plugging with the base (22); the bottom of the socket (11) is provided with an avoidance groove (12) for accommodating a top rod (45).

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