CN216593159U

CN216593159U - Bearing frame inner race concentricity testing arrangement

Info

Publication number: CN216593159U
Application number: CN202122924026.3U
Authority: CN
Inventors: 王延竣; 高淑敏
Original assignee: Dalian Shangyuan Intelligent Equipment Manufacturing Co ltd
Current assignee: Dalian Shangyuan Intelligent Equipment Manufacturing Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-24
Anticipated expiration: 2031-11-26

Abstract

The utility model provides a device for testing the concentricity of an inner ring of a bearing seat, which belongs to the technical field of testing devices, and when the device is used, firstly, the bearing seat is fixed on a workbench, then, the testing device is arranged in the bearing seat, then, a movable seat is driven to move inwards by rotating a plum blossom handle nut, a hinge assembly arches and is tightly clamped on the inner ring of the bearing seat, then, a ball pen is inserted in an insertion fixed cylinder, then, a fixture block coupler is connected with a motor, then, a paper board is taken to stand at the tail end of the ball pen, when the motor drives a screw rod and an optical axis to rotate through the fixture block coupler, the ball pen can draw a circle on the paper board, and the eccentricity condition of the bearing seat can be obtained through the trace of the circle; the hinge assembly is provided with four groups, is arranged around the screw rod in an annular array shape, has better stability and ensures the normal operation of test work.

Description

Bearing frame inner race concentricity testing arrangement

Technical Field

The utility model belongs to the technical field of testing devices, and particularly relates to a device for testing the concentricity of an inner ring of a bearing seat.

Background

The turntable bearing seat is a large and super-large bearing seat capable of receiving comprehensive load and having a special structure, and has the characteristics of compact structure, sensitive rotation, convenient device maintenance and the like. The bearing is provided with a supporting point, the inner supporting point of the bearing is a shaft, and the outer supporting is a bearing seat.

The coaxiality of the inner ring of the bearing seat determines the transmission precision and the service life of transmission equipment, if the coaxiality of the inner ring of the bearing seat has large deviation, the condition of shaft jumping can occur, the transmission precision of the equipment is insufficient, the equipment is easy to damage, and a device capable of detecting the coaxiality of the inner ring of the bearing seat is not provided at present.

Therefore, the utility model is very necessary to provide a device for testing the concentricity of the inner ring of the bearing seat.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a device for testing the concentricity of an inner ring of a bearing seat, which aims to solve the problems that the coaxiality of the inner ring of the bearing seat determines the transmission precision and the service life of transmission equipment, and if the coaxiality of the inner ring of the bearing seat has larger deviation, the shaft jumps, so that the transmission precision of the equipment is insufficient, the equipment is easy to damage, and a device capable of detecting the coaxiality of the inner ring of the bearing seat does not exist at present. The concentricity testing device for the inner ring of the bearing seat comprises a screw rod, wherein an optical axis is integrally arranged at one end of the screw rod; a fixed seat is fixedly arranged between the screw rod and the optical axis; the screw rod is sleeved with a movable seat; a hinge assembly is arranged between the fixed seat and the movable seat; the lead screw is also in threaded connection with a plum blossom handle nut; the plum blossom handle nut is located the one side that the movable seat kept away from the fixing base.

As a further technical scheme of the utility model, the hinge assembly is provided with four groups which are arranged around the screw rod in an annular array shape.

As a further technical scheme of the utility model, the hinge assembly consists of two hinge arms which are movably connected through a rotating shaft, wherein one hinge arm is movably connected with the fixed seat through the rotating shaft; the other hinge arm is connected with the movable seat in a matching way through a rotating shaft.

As a further technical scheme of the utility model, a clamping seat which can be clamped with the inner ring of the bearing seat is sleeved outside the joint of the two hinge arms; the clamping seat and the two hinge arms are coaxially arranged, and the outer surface of the clamping seat is arc-shaped.

As a further technical scheme of the utility model, the tail end of the optical axis is provided with an inserted fixed cylinder; a ball-point pen is inserted in the inserting fixed cylinder.

As a further technical scheme of the utility model, one end of the screw rod, which is far away from the optical axis, is provided with a fixture block coupling, and the screw rod is in fit connection with an output shaft of the motor through the fixture block coupling.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the ball pen is used, the bearing seat is fixed on a workbench, the testing device is arranged inside the bearing seat, the movable seat is driven to move inwards by rotating the plum blossom handle nut, the hinge assembly is arched and tightly clamped on an inner ring of the bearing seat, the ball pen is inserted into the insertion fixing cylinder, the fixture block coupler is connected with the motor, a paper plate is taken to stand at the tail end of the ball pen, when the motor drives the screw rod and the optical axis to rotate through the fixture block coupler, the ball pen draws a circle on the paper plate, and the eccentric condition of the bearing seat can be obtained through the trace of the circle;

2. according to the utility model, the clamping seat and the two hinge arms are coaxially arranged, and the outer surface of the clamping seat is arc-shaped, so that the clamping seat can be tightly clamped on the inner wall of the inner ring of the bearing seat when being clamped with the inner ring of the bearing seat, and the slipping phenomenon is prevented when the clamping seat rotates;

3. in the utility model, the hinge assemblies are provided with four groups which are arranged around the screw rod in an annular array shape, so that the hinge assemblies have better stability and ensure the normal operation of test work;

4. in the utility model, the hinge assembly consists of two hinge arms which are movably connected through a rotating shaft, wherein one hinge arm is movably connected with the fixed seat through the rotating shaft; the other hinge arm is connected with the movable seat in a matched mode through the rotating shaft, the bearing seat with different diameters can be adjusted, testing on the bearing seats with different diameters is facilitated, and the application range is wide.

Drawings

FIG. 1 is an exploded view of a three-dimensional structure of the present invention;

FIG. 2 is a rear view of FIG. 1 in accordance with the present invention;

fig. 3 is an enlarged view of fig. 2 at a in the present invention.

In the figure: the device comprises a screw rod 1, an optical shaft 2, a fixed seat 3, a hinge assembly 4, a clamping seat 5, a movable seat 6, a plum blossom handle nut 7, a clamping block coupler 8 and a fixed inserting barrel 9.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1-3

The utility model provides a bearing seat inner ring concentricity testing device which comprises a screw rod 1, wherein an optical axis 2 is integrally arranged at one end of the screw rod 1; a fixed seat 3 is fixedly arranged between the screw rod 1 and the optical axis 2; the screw rod 1 is sleeved with a movable seat 6; a hinge assembly 4 is arranged between the fixed seat 3 and the movable seat 6; the screw rod 1 is also in threaded connection with a plum blossom handle nut 7; the plum blossom handle nut 7 is located the one side that the movable seat 6 is kept away from the fixing base 3.

In the embodiment, the hinge assemblies 4 are provided with four groups and are arranged around the screw rod 1 in an annular array shape; the test device has better stability and ensures the normal operation of test work.

In the embodiment, the hinge assembly 4 is composed of two hinge arms which are movably connected through a rotating shaft, wherein one hinge arm is movably connected with the fixed seat 3 through the rotating shaft; the other hinge arm is connected with the movable seat 6 in a matching way through a rotating shaft; can be based on the bearing frame that does not use the diameter to adjust, be convenient for to the test of not equidimension diameter bearing frame, application scope is wide.

In the embodiment, the clamping seat 5 which can be clamped with the inner ring of the bearing seat is sleeved outside the joint of the two hinge arms; the clamping seat 5 is coaxially arranged with the two hinge arms, and the outer surface of the clamping seat 5 is arc-shaped; when with bearing frame inner circle joint, the phenomenon of slippage prevents to appear on the inner wall of bearing frame inner circle in rotatory joint that can be tight.

In this embodiment, the end of the optical axis 2 is provided with an insertion fixing cylinder 9; a ball-point pen is inserted in the inserting fixed cylinder 9; a fixture block coupling 8 is arranged at one end of the screw rod 1, which is far away from the optical axis 2, and the screw rod 1 is connected with an output shaft of the motor in a matching way through the fixture block coupling 8; when using, at first be fixed in the workstation with the bearing frame on, arrange the inside of bearing frame in with this testing arrangement afterwards, then make the sliding seat 6 move to the inboard through rotatory plum blossom handle nut 7, the hunch-up takes place for hinge subassembly 4, and tight joint is in the inner circle of bearing frame, peg graft the ball pen in grafting solid fixed cylinder 9 afterwards, it is connected with the motor to recycle fixture block shaft coupling 8, get the end that a cardboard stands in the ball pen again, when the motor passes through fixture block shaft coupling 8 and drives lead screw 1 and optical axis 2 rotatory, the ball pen can draw the circle on the cardboard, the eccentric condition of bearing frame can be reachd through the vestige of drawing the circle.

Principle of operation

When the device is used, firstly, a bearing seat is fixed on a workbench, then the testing device is arranged in the bearing seat, then a movable seat 6 is driven to move inwards by rotating a plum blossom handle nut 7, a hinge assembly 4 is arched and tightly clamped on an inner ring of the bearing seat, then a ball pen is inserted in an insertion fixed cylinder 9, then a fixture block coupler 8 is connected with a motor, a paper board is taken to stand at the tail end of the ball pen, when the motor drives a screw rod 1 and an optical axis 2 to rotate through the fixture block coupler 8, the ball pen can draw a circle on the paper board, and the eccentric condition of the bearing seat can be obtained through the trace of the circle drawing; the clamping seat 5 and the two hinge arms are coaxially arranged, the outer surface of the clamping seat 5 is arc-shaped, and when the clamping seat is clamped with the inner ring of the bearing seat, the clamping seat can be tightly clamped on the inner wall of the inner ring of the bearing seat, so that the slipping phenomenon is prevented when the clamping seat rotates; the hinge assemblies 4 are arranged in four groups and are arranged around the screw rod 1 in an annular array shape, so that the stability is good, and the normal operation of the test work is ensured; the hinge assembly 4 consists of two hinge arms which are movably connected through a rotating shaft, and one hinge arm is movably connected with the fixed seat 3 through the rotating shaft; the other hinge arm is connected with the movable seat 6 in a matched mode through the rotating shaft, the bearing seat with different diameters can be adjusted, testing on the bearing seats with different diameters is facilitated, and the application range is wide.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. Bearing frame inner circle concentricity testing arrangement, its characterized in that: the device comprises a screw rod (1), wherein an optical axis (2) is integrally arranged at one end of the screw rod (1); a fixed seat (3) is fixedly arranged between the screw rod (1) and the optical axis (2); the screw rod (1) is sleeved with a movable seat (6); a hinge assembly (4) is arranged between the fixed seat (3) and the movable seat (6); the lead screw (1) is also in threaded connection with a plum blossom handle nut (7); the plum blossom handle nut (7) is positioned on one side of the movable seat (6) far away from the fixed seat (3).

2. The bearing seat inner ring concentricity testing device of claim 1, wherein: the hinge assembly (4) is provided with four groups which are arranged around the screw rod (1) in an annular array shape.

3. The bearing seat inner race concentricity testing device of claim 2, wherein: the hinge assembly (4) consists of two hinge arms which are movably connected through a rotating shaft, and one hinge arm is movably connected with the fixed seat (3) through the rotating shaft; the other hinge arm is connected with the movable seat (6) in a matching way through a rotating shaft.

4. The bearing seat inner race concentricity testing device of claim 3, wherein: a clamping seat (5) which can be clamped with the inner ring of the bearing seat is sleeved outside the joint of the two hinge arms; the clamping seat (5) and the two hinge arms are coaxially arranged, and the outer surface of the clamping seat (5) is arc-shaped.

5. The bearing seat inner ring concentricity testing device of claim 4, wherein: the tail end of the optical axis (2) is provided with an inserting fixed cylinder (9); a ball-point pen is inserted in the inserting fixed cylinder (9).

6. The bearing seat inner race concentricity testing device of claim 5, wherein: one end of the screw rod (1) far away from the optical axis (2) is provided with a fixture block coupling (8), and the screw rod (1) is connected with an output shaft of the motor in a matching mode through the fixture block coupling (8).