CN211904013U

CN211904013U - Precision bearing axial clearance detection equipment

Info

Publication number: CN211904013U
Application number: CN202020677983.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Kunshan Minchtech Automation Co ltd
Current assignee: Kunshan Minchtech Automation Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-11-10
Anticipated expiration: 2030-04-28

Abstract

The utility model provides a precision bearing axial play detection device, which is suitable for the production and application in the technical field of bearing axial play detection, and comprises a frame, a middle arm and a top, wherein a movable groove is arranged in the middle of the top of the frame, and the inner wall of the movable groove is laminated with a compact rubber ring; the middle arm is located the frame top, and both ends are fixed with last axis body and lower axis body respectively about the middle arm, and go up axis body top threaded connection and turn round tight nut, transversely are fixed with hollow pipe fitting in the middle of middle arm the place ahead, the beneficial effects of the utility model reside in that: by arranging the hollow pipe fitting, the bearing clamping column and the short pipe, a user does not need to hold the bearing by hands, the deviation of the clamping angle is small, the use is convenient, and the problem that the existing precision bearing axial clearance detection equipment is inconvenient to use is solved; and through setting up axis body, lower axis body, inseparable rubber ring and turning round tight nut, the person of facilitating the use detects or polishes other objects, and application scope is wider, and the function is more comprehensive.

Description

Precision bearing axial clearance detection equipment

Technical Field

The utility model belongs to the technical field of bearing axial play detects technique and specifically relates to precision bearing axial play check out test set.

Background

The bearing play is the clearance between the bearing rolling elements and the bearing inner and outer race shells. The bearing play refers to a movement amount when the bearing is not mounted on the shaft or the bearing housing, the inner ring or the outer ring is fixed, and then the non-fixed bearing play is moved in the radial direction or the axial direction. According to the direction of movement, radial play and axial play can be divided. The magnitude of the play during operation (referred to as the working play) has an influence on the rolling fatigue life of the bearing, the temperature rise, the noise, the vibration, and other properties.

The existing precision bearing axial clearance detection equipment is generally provided with an electric clamp for clamping a bearing, but a user needs to hold the bearing by hand when clamping the bearing, if the user is unstable in holding, the clamping position of the bearing can be deviated, so that readjustment is needed, and the use is inconvenient; moreover, the existing precision bearing axial clearance detection equipment can only be used for detecting the bearing clearance generally, and the function is single.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to the problem that prior art exists, provide precision bearing axial play check out test set, solved current precision bearing axial play check out test set, used inconvenient and the problem of function singleness.

The to-be-solved technical problem of the utility model adopts following technical scheme to realize: the precision bearing axial clearance detection equipment comprises a machine base, a middle arm and a machine top, wherein a movable groove is formed in the middle of the top of the machine base, and a tight rubber ring is attached to the inner wall of the movable groove; the middle arm is positioned above the base, an upper shaft body and a lower shaft body are respectively fixed at the upper end and the lower end of the middle arm, a screwing nut is connected to the top end of the upper shaft body in a threaded manner, a hollow pipe fitting is transversely fixed in the middle of the front of the middle arm, a bearing clamping column is inserted in the front of the hollow pipe fitting, an opening communicated with the inside of the hollow pipe fitting is formed in the middle of the top of the hollow pipe fitting, and a short pipe is connected to the rear side of the inside of the hollow pipe fitting in a;

the top of the aircraft is located above the middle arm, the front side of the top of the aircraft and the front side of the top of the engine base are both provided with symmetrically arranged electric clamps, an outer ring hole is formed in the rear of the top of the aircraft, and an inner ring hole formed in the top of the aircraft is formed in the outer ring hole.

Furthermore, a dial indicator is arranged on the top of the machine top and in front of the inner ring hole.

Furthermore, the outer wall of the rear end of the bearing clamping column is distributed with threads matched with the outer wall of the short pipe, and the diameter of the bearing clamping column is the same as the inner diameter of the short pipe.

Furthermore, the rear end of the bearing clamping column and the front end of the short pipe extend into the opening.

Furthermore, the lower shaft body extends into the movable groove and is in close contact with the tight rubber ring, the upper shaft body penetrates through the inner ring hole, matched threads are distributed on the outer wall of the screwing nut and the inner wall of the outer ring hole, and the diameter of the screwing nut is the same as the inner diameter of the outer ring hole.

Compared with the prior art, the beneficial effects of the utility model are that:

by arranging the hollow pipe fitting, the bearing clamping column and the short pipe, a user does not need to hold the bearing by hands, the deviation of the clamping angle is small, the use is convenient, and the problem that the existing precision bearing axial clearance detection equipment is inconvenient to use is solved; and through setting up axis body, lower axis body, inseparable rubber ring and turning round tight nut, the person of facilitating the use detects or polishes other objects, and application scope is wider, and the function is more comprehensive.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion A of the upper shaft body of the present invention;

fig. 3 is a schematic view of the structure of the present invention.

The labels in the figure are: 1-engine base, 2-middle arm, 3-electric clamp, 4-hollow pipe, 5-bearing clamp column, 6-opening, 7-short pipe, 8-engine top, 9-upper shaft body, 10-tightening nut, 11-outer ring hole, 12-inner ring hole, 13-tight rubber ring, 14-lower shaft body, 15-dial indicator and 16-movable groove.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 3, it should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left" and "right" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.

In order to achieve the purpose, the utility model adopts the following technical scheme that the precision bearing axial clearance detection device comprises a machine base 1, a middle arm 2 and a machine top 8, wherein a movable groove 16 is formed in the middle of the top of the machine base 1, and a tight rubber ring 13 is attached to the inner wall of the movable groove 16;

the middle arm 2 is positioned above the base 1, an upper shaft body 9 and a lower shaft body 14 are respectively fixed at the upper end and the lower end of the middle arm 2, a screwing nut 10 is connected to the top end of the upper shaft body 9 in a threaded manner, a hollow pipe fitting 4 is transversely fixed in the middle of the front of the middle arm 2, a bearing clamping column 5 is inserted in the front of the hollow pipe fitting 4, an opening 6 communicated with the inside of the hollow pipe fitting 4 is formed in the middle of the top of the hollow pipe fitting 4, a short pipe 7 is connected to the rear side of the inside of the hollow pipe fitting 4 in a threaded manner, threads matched with the outer wall of the short pipe 7 are distributed on the outer wall of the rear end of the bearing clamping column 5, the diameter of the bearing clamping column 5 is the same as the inner diameter of the short pipe;

when the user is when centre gripping bearing, can take bearing card post 5 out from hollow pipe fitting 4, then with bearing card post 5 pass through the round hole in the middle of the bearing, insert original department again with bearing card post 5, and twist forward through opening 6 and move nozzle stub 7, make nozzle stub 7 and bearing card post 5 rear end threaded connection together, the bearing alright stabilize between hollow pipe fitting 4 front end and bearing card post 5 front end and be difficult for removing, at last rethread electric clamp 3 with the bearing clamp tightly can, need not the user and hold up the bearing with the hand, centre gripping angular deviation is little and convenient to use.

The top 8 is located 2 tops of forearm, 8 top front sides of top and the 1 top front side of frame all are provided with symmetrical arrangement's electric anchor clamps 3, outer lane hole 11 has been seted up at 8 top rear of top, just outer lane hole 11 is inside to be provided with the inner circle hole 12 of seting up in 8 tops of top, down the axis body 14 stretch into to the movable groove 16 in and with inseparable rubber ring 13 in close contact with, just go up 9 upper portions of axis body and run through out inner circle hole 12, it has the assorted screw thread to turn round tight nut 10 outer wall and 11 inner wall distributions in outer lane hole, just the diameter of turning round tight nut 10 is the same with the internal diameter in outer lane hole 11.

And, can rotate one hundred eighty degrees backward through lower axis body 14 and upper axis body 9 with well arm 2, make 2 rear of well arm towards the place ahead, twist tight nut 10 again, make and twist tight nut 10 bottom and turn tightly to the outer lane hole 11 in, and, inseparable rubber ring 13 can effectual increase down the friction between axis body 14 and the 16 inner walls of activity groove, let down axis body 14 difficult rocking when the activity of activity groove 16, alright carry on spacingly to upper axis body 9, thereby stabilize the position of well arm 2, the user can be through the other objects that need detect or polish of 3 centre gripping of electric fixture, and detect or polish, application scope is wider, the function is more comprehensive.

And a dial indicator 15 is arranged at the top of the top 8 and in front of the inner ring hole 12, and after the bearing is fixed, the axial clearance of the bearing can be detected through the dial indicator 15.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. Precision bearing axial internal clearance check out test set, including frame (1), well arm (2) and roof (8), movable groove (16) have been seted up in the middle of frame (1) top, just movable groove (16) inner wall laminating has inseparable rubber ring (13), its characterized in that:

the middle arm (2) is positioned above the base (1), an upper shaft body (9) and a lower shaft body (14) are respectively fixed at the upper end and the lower end of the middle arm (2), a screwing nut (10) is connected to the top end of the upper shaft body (9) in a threaded manner, a hollow pipe fitting (4) is transversely fixed in the middle of the front of the middle arm (2), a bearing clamping column (5) is inserted in the front of the hollow pipe fitting (4), an opening (6) communicated with the interior of the hollow pipe fitting (4) is formed in the middle of the top of the hollow pipe fitting (4), and a short pipe (7) is connected to the rear side of the interior of the hollow pipe fitting (;

the top (8) is located the top of the middle arm (2), the symmetrical electric clamps (3) are arranged on the front side of the top (8) and the front side of the top of the machine base (1), an outer ring hole (11) is formed in the rear of the top (8) of the machine base, and an inner ring hole (12) formed in the top of the top (8) of the machine base is formed in the inner portion of the outer ring hole (11).

2. The precision bearing axial play detection apparatus according to claim 1, characterized in that: and a dial indicator (15) is arranged at the top of the top (8) and in front of the inner ring hole (12).

3. The precision bearing axial play detection apparatus according to claim 1, characterized in that: the outer wall of the rear end of the bearing clamping column (5) is distributed with threads matched with the outer wall of the short pipe (7), and the diameter of the bearing clamping column (5) is the same as the inner diameter of the short pipe (7).

4. The precision bearing axial play detection apparatus according to claim 1, characterized in that: the rear end of the bearing clamping column (5) and the front end of the short pipe (7) extend into the opening (6).

5. The precision bearing axial play detection apparatus according to claim 1, characterized in that: the lower shaft body (14) stretches into the movable groove (16) and is in close contact with the tight rubber ring (13), the upper portion of the upper shaft body (9) penetrates through the inner ring hole (12), matched threads are distributed on the outer wall of the screwing nut (10) and the inner wall of the outer ring hole (11), and the diameter of the screwing nut (10) is the same as the inner diameter of the outer ring hole (11).