CN210998494U - Ball bearing outer ring taking-out tool - Google Patents

Abstract

The utility model relates to an instrument is taken out in ball bearing outer lane, including first puller rod, the one end of first puller rod has the puller head that matches with ball bearing outer lane medial surface spin groove, and the other end has the threaded rod, threaded connection has on the threaded rod and matches the puller rod with ball bearing outer lane medial surface spin groove, and first puller rod is connected with the second puller rod perpendicularly, and the second puller rod is the threaded rod, second puller rod and first puller rod threaded connection, the utility model discloses an instrument, simple structure, convenient to use can effectively take out ball bearing's outer lane from the bearing frame.

Description

Ball bearing outer ring taking-out tool

Technical Field

The utility model relates to a bearing extracting tool field, concretely relates to ball bearing outer lane takes out instrument.

Background

The conventional ball bearing is generally applied to a rotating part of rotating machinery, and is wide in application range, but because of the problem of lubrication or bearing defect in use conditions, and the problem that a bearing inner ring and a ball lose effectiveness and fall off in an accident state, an inventor finds that in the period, because of the deterioration of working conditions, impurities and high temperature cause the bearing outer ring to be inlaid on a bearing base, because the actual construction conditions on site are limited, a common mechanical method cannot be taken out quickly and normally because the outer ring has no stress point, the overhauling progress is influenced, and if an incorrect method is adopted, a bearing seat is easily damaged, and the normal overhauling of equipment is influenced.

At present, the bearing outer ring is generally required to be cut by a boring machine or a drilling machine on the whole bearing seat, and the inventor finds that the processing time of the processing mode is long, and the bearing seat is easy to damage and the cost is high due to the difficulty in alignment and high strength of the bearing outer ring in the cutting process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, provide a ball bearing outer lane takes out instrument, simple structure, convenient to use has solved the problem that the adhesion of ball bearing outer lane can't take out fast on the bearing frame in the maintenance process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a ball bearing outer lane takes out instrument, includes first puller rod, the one end of first puller rod has the puller head that matches with ball bearing outer lane medial surface spin groove, and the other end has the threaded rod, threaded connection has the puller rod that matches with ball bearing outer lane medial surface spin groove on the threaded rod, and first puller rod is connected with second puller rod perpendicularly, and second puller rod is the threaded rod, second puller rod and first puller rod threaded connection.

Furthermore, the puller head is of a first hemispherical structure matched with a rolling ball groove on the inner side surface of the outer ring of the ball bearing, and the puller head can be attached to the groove surface of the rolling ball groove.

Furthermore, the jacking piece adopts a nut in threaded connection with the threaded rod section, and one side end face of the nut is a spherical surface matched with a rolling ball groove on the inner side face of the outer ring of the ball bearing and is used for being tightly contacted with the groove face of the rolling ball groove.

Further, be located threaded rod pole section between first tight pole terminal surface in top and the tight piece in top threaded connection has the nut, the nut can compress tightly the tight piece in top, prevents to push up tight piece not hard up.

Furthermore, first tight pole setting connecting portion, connecting portion are equipped with the screw thread through-hole with second tight pole assorted, the axis of screw thread through-hole is perpendicular with the axis of first tight pole.

Furthermore, one end of the second tightening rod is provided with a second hemispherical structure, and the second tightening rod can be in contact with the bottom surface of the bearing seat through the second hemispherical structure.

Furthermore, the other end of the second tightening rod is provided with a rotating head matched with the wrench, and an operator can drive the second tightening rod to rotate through the wrench and the rotating head.

The utility model has the advantages that:

1. the utility model discloses a ball bearing outer lane takes out instrument can turn into the spiral rotation of second puller rod first puller rod and come transmission pressure along the linear motion of ball bearing axis direction, has realized exerting axial tension to the bearing inner race to effectively solved the ball bearing outer lane and having had no effort point, the inconvenient problem of taking out.

2. The utility model discloses an instrument is taken out to ball bearing outer lane, simple structure, processing cost of manufacture is low, and convenient to use has avoided adopting boring machine or drilling machine to cut the bearing frame damage phenomenon that causes the outer lane.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic front view of embodiment 1 of the present invention;

fig. 2 is a schematic top view of embodiment 1 of the present invention;

fig. 3 is a schematic view of the usage status of embodiment 1 of the present invention;

the bearing comprises a first tightening rod 1, a connecting part 1-1, a second tightening rod 2, a second hemispherical structure 2-1, a rotating head 2-2, a first hemispherical structure 3, a threaded rod 4, a nut 5, a spherical surface 5-1, a nut 6, a ball bearing outer ring 7, a ball groove 7-1 and a bearing seat 8.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "upper" and "lower" in the present invention shall only be used to indicate correspondence with the upper and lower directions of the drawings themselves, and shall not limit the structure, but merely to facilitate the description of the present invention and simplify the description, and shall not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and shall not be construed as limiting the present invention.

Just as the introduction of background art, present ball bearing outer lane is difficult for taking out, influences the equipment maintenance progress, and it is longer to adopt drilling machine or boring machine to carry out the cutting process time to the outer lane, and causes the bearing frame to damage easily, to above-mentioned problem, this application has provided a ball bearing outer lane and has taken out instrument.

In an exemplary embodiment of the present application, as shown in fig. 1-2, a ball bearing outer ring removing tool includes a first tightening rod 1, the first tightening rod is provided with a connecting portion 1-1, the connecting portion is a columnar structure, the length of the connecting portion is equal to the diameter of the first tightening rod, a threaded through hole is provided on the circular surface of the connecting portion, the threaded hole is connected with the first tightening rod through, the axis of the threaded through hole is perpendicular to the axis of the first tightening rod, the first tightening rod is connected with a second tightening rod 2 through the threaded through hole, the second tightening rod adopts a threaded rod, and in the present embodiment, the connecting portion is provided, so as to facilitate processing of the threaded through hole.

First tight pole one end is provided with the tight head in top, the tight head in top is the first hemispherical structure 3 that matches with ball bearing outer lane medial surface spin groove, and the groove face in spin groove can be hugged closely to first hemispherical structure, the other end of first tight pole in top is equipped with threaded rod 4, threaded connection has a holding-down piece on the threaded rod, holding-down piece adopts nut 5, nut and threaded rod threaded connection, the terminal surface of keeping away from first tight pole place one side on the nut is 5-1 with the sphere that ball bearing outer lane medial surface spin groove matches, and the groove face in spin groove can be hugged closely through the sphere to the nut.

Threaded connection has nut 6 on the threaded rod pole section between nut and the first tight pole terminal surface of top, the nut can compress tightly the nut, prevents the not hard up of nut on the threaded rod. The tight firmness of the first tightening rod and the nut in the tightening of the inner side surface of the outer ring of the ball bearing is ensured.

One end of the second tightening rod is provided with a second hemispherical structure 2-1, the second tightening rod can be in contact with the bottom surface of the bearing seat through the second hemispherical structure, the other end of the second tightening rod is fixed with a rotating head 2-2 matched with a wrench, the cross section of the rotating head can be square or regular hexagon, the rotating head can be conveniently matched with the wrench, and an operator can drive the second tightening rod to rotate through the wrench and the rotating head.

When the tool of the utility model is used, as shown in fig. 3, the first hemispherical structure at one end of the first tightening rod is firstly contacted with the groove surface of the rolling groove 7-1 of the ball bearing outer ring 7 tightly, then the nut is rotated to make the spherical surface of the nut contact with the groove surface of the rolling groove tightly, and the nut is rotated to make the nut compress the nut and prevent the nut from loosening by utilizing the nut.

With the screw hole and the first tight pole threaded connection of second tight pole through first tight pole, utilize spanner and rotor head to rotate the tight pole of second top, behind the tight pole of second top withstood the bottom surface of bearing frame 8, first tight pole upward movement under threaded connection's effect utilizes the cooperation of first hemispherical structure and nut and ball groove to produce ascending pulling force to the ball bearing outer lane, finally pulls out ball bearing's outer lane from the bearing frame.

The tool of the embodiment can utilize the spiral rotation of the second tightening rod to apply axial tension to the bearing outer ring through the first tightening rod, and solves the problem that the ball bearing outer ring cannot be rapidly and normally taken out due to no force point. Meanwhile, a drilling machine or a boring machine is not required to cut the outer ring of the ball bearing, so that the disassembly cost is low, and the damage to the bearing seat is avoided.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (7)

1. The utility model provides a ball bearing outer lane takes out instrument, its characterized in that, includes first puller rod, the one end of first puller rod has the puller head that matches with ball bearing outer lane medial surface spin groove, and the other end has the threaded rod, threaded connection has the puller piece that matches with ball bearing outer lane medial surface spin groove on the threaded rod, and first puller rod is connected with second puller rod perpendicularly, and second puller rod is the threaded rod, second puller rod and first puller rod threaded connection.

2. The ball bearing outer race removal tool of claim 1, wherein said tightening head is a first hemispherical structure that mates with a ball groove on an inner side of the ball bearing outer race, the tightening head being able to abut against a groove surface of the ball groove.

3. The ball bearing outer race removal tool of claim 1, wherein the urging member is a nut threadedly engaged with the threaded rod section, and a side end face of the nut is a spherical surface matching with a ball groove on an inner side face of the ball bearing outer race for abutting contact with a groove face of the ball groove.

4. The ball bearing outer race removal tool of claim 1, wherein a nut is threadably attached to the threaded shank segment between the first tightening rod end face and the tightening member, said nut being capable of compressing the tightening member to prevent loosening of the tightening member.

5. The ball bearing outer race removal tool of claim 1, wherein the first tightening rod is provided with a threaded through hole matching the second tightening rod, and an axis of the threaded through hole is perpendicular to an axis of the first tightening rod.

6. The ball bearing outer race removal tool of claim 1, wherein said second knock-down lever has a second hemispherical structure at one end thereof, and is capable of contacting the bottom surface of the bearing seat through the second hemispherical structure.

7. The ball bearing outer ring removing tool as claimed in claim 1, wherein the other end of the second tightening rod is provided with a rotating head matched with a wrench, and an operator can drive the second tightening rod to rotate through the wrench and the rotating head.

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