CN216558791U

CN216558791U - Accurate measuring apparatu of bearing part size

Info

Publication number: CN216558791U
Application number: CN202220034521.9U
Authority: CN
Inventors: 张延涛; 杨海程
Original assignee: Henan Yuezhong Precision Machinery Co ltd
Current assignee: Henan Yuezhong Precision Machinery Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-05-17
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to the technical field of measuring instruments, and particularly discloses a bearing part size accurate measuring instrument which comprises a base, wherein a lower box body is fixed above the base, a motor is fixed inside the lower box body, a gearbox is fixed at the top inside the lower box body, the motor is in transmission connection with the gearbox through a clutch, a three-jaw chuck is arranged above the lower box body, a supporting arm is arranged on one side of the base, and a data processor is fixed on the supporting arm. The beneficial effects are that: the roundness measuring device has the advantages of simple structure, small volume, high measuring precision, high speed and good use effect, and can quickly measure the roundness of the inner ring and the outer ring of the bearing ring by adopting an infrared distance measuring sensor; the levelness of the base can be adjusted, so that the base can be conveniently placed at an uneven position for use; the supporting balls which can rotate are utilized to support below the three-jaw chuck, so that the stability is good when the three-jaw chuck rotates, and the influence of inclination on the measurement precision can be avoided.

Description

Accurate measuring apparatu of bearing part size

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a bearing part size accurate measuring instrument.

Background

The bearing is a common part in mechanical transmission, and the bearing mainly comprises an inner ring, an outer ring, a newspaper rack, balls and the like, wherein the inner ring and the outer ring are made of steel pipes, in order to ensure the service life and the rotating portability of the bearing, the sizes of the inner ring and the outer ring of the bearing need to be accurately controlled, the circle jump degree of the inner ring and the outer ring of the bearing needs to be ensured, the conventional measuring instrument has larger volume, and the small-sized measuring instrument mostly adopts the conventional pointer instrument for measurement at one time, and has low measuring precision.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bearing part dimension accurate measuring instrument for solving the problems.

The technical scheme of the utility model is realized as follows:

the utility model provides an accurate measuring apparatu of bearing part size, includes the base, the base top is fixed with down the box, the box internal portion is fixed with the motor down, the internal top of box is fixed with the gearbox down, the motor with the gearbox passes through the clutch transmission and connects, the box top is provided with the three-jaw chuck down, the three-jaw chuck rotates to be installed on the power output shaft of gearbox, base one side is provided with the support arm, be fixed with data processor on the support arm, the support arm is the L type, the shaping has spacing spout on the xarm of support arm, slidable mounting has fixed cover in the spacing spout, it has the dead lever to peg graft in the fixed cover, the dead lever lower extreme is fixed with infrared distance measuring sensor, the motor infrared distance measuring sensor with the data processor electricity is connected.

Furthermore, four height-adjustable supporting legs are installed at four corners below the base through threads, a level meter is embedded at one corner of the upper surface of the base, and the level meter is L-shaped.

Further, the upper end face of the lower box body is provided with a circular arc-shaped track groove, a plurality of supporting balls are arranged in the track groove in a sliding mode, and the lower surface of the three-jaw chuck is in contact with the supporting balls.

Furthermore, an arc groove is formed in the position, corresponding to the track groove, of the lower surface of the three-jaw chuck, and the support ball is slidably mounted in the arc groove.

Furthermore, one side of the limiting sliding groove is provided with a graduated scale, and the graduated scale is engraved on the supporting arm.

By adopting the technical scheme, the utility model has the beneficial effects that: the roundness measuring device has the advantages of simple structure, small volume, high measuring precision, high speed and good use effect, and can quickly measure the roundness of the inner ring and the outer ring of the bearing ring by adopting an infrared distance measuring sensor; the levelness of the base can be adjusted, so that the base can be conveniently placed at an uneven position for use; the supporting balls which can rotate are utilized to support below the three-jaw chuck, so that the stability is good when the three-jaw chuck rotates, and the influence of inclination on the measurement precision can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a side cross-sectional view of the present invention;

fig. 5 is a block diagram of the circuit configuration of the present invention.

The reference numerals are explained below:

1. a base; 2. height-adjustable support legs; 3. a level gauge; 4. a lower box body; 5. a three-jaw chuck; 6. an electric motor; 7. a gearbox; 8. a track groove; 9. supporting the balls; 10. a support arm; 11. a limiting chute; 12. fixing a sleeve; 13. fixing the rod; 14. an infrared ranging sensor; 15. a data processor; 16. a graduated scale.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-5, a precise dimension measuring instrument for bearing parts comprises a base 1, four height-adjustable supporting legs 2 are installed at four corners below the base 1 through threads, the levelness of the upper surface of the base 1 can be adjusted, a level 3 is embedded at one corner of the upper surface of the base 1 and used for measuring the levelness of the base 1, the level 3 is L-shaped and can measure the horizontal and longitudinal levelness, a lower box body 4 is fixed above the base 1, a motor 6 is fixed inside the lower box body 4 and used for providing power, a gearbox 7 is fixed at the top inside the lower box body 4, the motor 6 is in transmission connection with the gearbox 7 through a clutch, a three-jaw chuck 5 is arranged above the lower box body 4 and used for fixing a bearing ring, the three-jaw chuck 5 is rotatably installed on a power output shaft of the gearbox 7, a circular arc-shaped track groove 8 is formed on the upper end surface of the lower box body 4, a plurality of supporting balls 9 are arranged in the track groove 8 in a sliding manner, the lower surface of the three-jaw chuck 5 is contacted with a supporting ball 9, an arc groove is formed in the position, corresponding to the track groove 8, of the lower surface of the three-jaw chuck 5, the supporting ball 9 is slidably mounted in the arc groove and can ensure the rotating stability of the three-jaw chuck 5, a supporting arm 10 is arranged on one side of a base 1, a data processor 15 is fixed on the supporting arm 10, an 80c51 singlechip for analyzing data is arranged in the data processor 15, a display screen for displaying data is arranged on the surface of the data processor and can automatically process and display the data and is convenient to check, the supporting arm 10 is L-shaped, a limiting chute 11 is formed on a cross arm of the supporting arm 10, a graduated scale 16 is arranged on one side of the limiting chute 11, the graduated scale 16 is engraved on the supporting arm 10, a fixing sleeve 12 is slidably mounted in the limiting chute 11, the position of the fixing sleeve 12 can be adjusted according to the graduated scale 16, a fixing rod 13 is inserted in the fixing sleeve 12 and is fixed by using a jackscrew, an infrared distance measuring sensor 14 is fixed at the lower end of the fixing rod 13, the model number of the infrared distance measuring sensor 14 is GP2Y0E03, the height of the infrared distance measuring sensor 14 can be adjusted by adjusting the position of the fixing rod 13, and the motor 6 and the infrared distance measuring sensor 14 are electrically connected with the data processor 15.

The working principle of the utility model is as follows: when the bearing inner ring roundness measuring device is used, when the bearing inner ring roundness is required to be measured, a bearing is placed on the three-jaw chuck 5 and clamped, the fixing rod 13 is fixed above the middle part of the three-jaw chuck 5, the infrared distance measuring sensor 14 is aligned with the inner wall of the bearing, then the power supply is turned on, the distance between the infrared distance measuring sensor 14 and the inner wall of the bearing can be detected after the infrared distance measuring sensor is electrified, the measured data is transmitted to the data processor 15 to be displayed, the motor 6 is started through the control button, the motor 6 drives the three-jaw chuck 5 to rotate, after the rotation exceeds one circle, a single chip in the data processor 15 can automatically analyze and display the data, so that the bearing inner ring roundness is measured, when the bearing outer ring roundness is required to be measured, the position of the fixing sleeve 12 is moved so that the infrared distance measuring sensor 14 is positioned outside the bearing ring, the orientation of the infrared distance measuring sensor 14 is adjusted to be opposite to the bearing ring, and then the roundness of the outer ring of the bearing ring can be measured after the power supply and the motor 6 are started.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an accurate measuring apparatu of bearing part size which characterized in that: including base (1), base (1) top is fixed with lower box (4), box (4) inside is fixed with motor (6) down, box (4) internal top is fixed with gearbox (7) down, motor (6) with gearbox (7) are connected through the clutch transmission, box (4) top is provided with three-jaw chuck (5) down, three-jaw chuck (5) rotate to be installed on the power output shaft of gearbox (7), base (1) one side is provided with support arm (10), be fixed with data processor (15) on support arm (10), support arm (10) are the L type, the shaping has spacing spout (11) on the xarm of support arm (10), slidable mounting has fixed cover (12) in spacing spout (11), it has dead lever (13) to peg graft in fixed cover (12), an infrared distance measuring sensor (14) is fixed at the lower end of the fixing rod (13), and the motor (6) and the infrared distance measuring sensor (14) are electrically connected with the data processor (15).

2. The accurate measuring apparatu of bearing part size of claim 1, characterized in that: four height-adjustable supporting legs (2) are installed through the screw thread in base (1) below four corners, spirit level (3) have been inlayed in base (1) upper surface one corner, spirit level (3) are the L type.

3. The accurate measuring apparatu of bearing part size of claim 1, characterized in that: the arc-shaped track groove (8) is formed in the upper end face of the lower box body (4), a plurality of supporting balls (9) are arranged in the track groove (8) in a sliding mode, and the lower surface of the three-jaw chuck (5) is in contact with the supporting balls (9).

4. The accurate measuring apparatu of bearing part size of claim 3, characterized in that: the lower surface of the three-jaw chuck (5) is formed with an arc groove corresponding to the position of the track groove (8), and the support ball (9) is slidably mounted in the arc groove.

5. The accurate measuring apparatu of bearing part size of claim 1, characterized in that: a graduated scale (16) is arranged on one side of the limiting sliding groove (11), and the graduated scale (16) is engraved on the supporting arm (10).