CN215217563U

CN215217563U - Roundness measuring instrument for bearing detection

Info

Publication number: CN215217563U
Application number: CN202121474895.4U
Authority: CN
Inventors: 胡天河
Original assignee: Shanghai Lizhu Micro Bearing Co ltd
Current assignee: Shanghai Lizhu Micro Bearing Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-17
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to a roundness measuring equipment for bearing detection, which comprises a base, rotate the revolving stage of installing on the base, slidable mounting is probe and display on the base, the up end of revolving stage is provided with and is no less than three regulating block, a plurality of regulating blocks along the circumference evenly distributed of regulating block and with the revolving stage up end centre of a circle apart from the same, the regulating block slides along the diameter direction of revolving stage up end and sets up on the revolving stage, be provided with on the revolving stage and be used for driving the synchronous gliding drive arrangement of a plurality of regulating blocks. This application has the axiality that improves race ring and revolving stage, improves the effect of race ring roundness detection data's accuracy.

Description

Roundness measuring instrument for bearing detection

Technical Field

The application relates to the field of bearing detection equipment, in particular to a roundness measuring instrument for bearing detection.

Background

The bearing is an important part in the modern mechanical equipment, and has the main functions of supporting the mechanical rotating body, reducing the friction coefficient in the movement process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body; the roundness of the inner ring and the outer ring of the bearing is one of important structural parameters, and the roundness measuring instrument is an important instrument for detecting the roundness of the bearing ring.

The roundness measuring instrument mainly comprises a base, a cylindrical or disc-shaped rotating table, a probe and a display, wherein the bearing ring is fixed on the rotating table during detection, the probe is in contact with the outer peripheral surface or the inner peripheral surface of the bearing ring, and the rotating table rotates to detect the roundness of the outer peripheral surface or the inner peripheral surface of the bearing ring through the probe.

For the related art, when the bearing ring is detected, in order to ensure the accuracy of detection data, the bearing ring and the rotating table need to be kept at a high coaxiality for measurement, so that the coaxiality of the bearing ring and the rotating table needs to be adjusted before measurement; currently, the adjustment is usually performed by human eye observation, and the accuracy is low, which results in low accuracy of the detected data, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the axiality of bearing ring and revolving stage when detecting, this application provides a roundness measuring equipment for bearing detection.

The application provides a roundness measuring equipment for bearing detection adopts following technical scheme:

the utility model provides a roundness measuring equipment for bearing detection, its includes the base, rotates revolving stage, slidable mounting probe and the display on the base of installing on the base, the up end of revolving stage is provided with and is no less than three regulating block, and is a plurality of the regulating block is followed the circumference evenly distributed of regulating block and with the distance in the revolving stage up end centre of a circle is the same, the regulating block is followed the diameter direction of revolving stage up end slide set up in on the revolving stage, be provided with on the revolving stage and be used for driving a plurality of the synchronous gliding drive arrangement of regulating block.

By adopting the technical scheme, when the bearing ring is detected, the bearing ring is placed at the central position on the rotating platform, the bearing ring is positioned between the adjusting blocks, the adjusting blocks are driven by the driving device to be synchronously close to the circle center of the upper end surface of the rotating platform until the adjusting blocks are abutted to the outer peripheral surface of the bearing ring, the distances from the adjusting blocks to the circle center of the upper end surface of the rotating platform are the same, the adjusting blocks move synchronously, the distances from the adjusting blocks to the circle center of the upper end surface of the rotating platform are the same all the time, when the bearing ring is abutted to the adjusting blocks, the distances from the positions on the outer peripheral surface of the bearing ring to the circle center of the upper end surface of the rotating platform are the same, the bearing ring is coaxial with the rotating platform, when the bearing ring is detected by the probe, the error of detection data is small, and the accuracy is high.

Preferably, the revolving stage up end has been seted up and has been supplied a plurality ofly respectively regulating block slidable mounting's multichannel mounting groove, the mounting groove is followed the radius direction of revolving stage up end is seted up, the cross-section of mounting groove is "T" font, the regulating block is connected with to slide to inlay and locates slider in the mounting groove, and the slider with the mounting groove sliding adaptation.

Through adopting above-mentioned technical scheme, the mounting groove is seted up to the revolving stage up end, realizes the slidable mounting of regulating block on the revolving stage through the slider in the sliding fit of mounting groove, and the regulating block is difficult for breaking away from with the revolving stage, improves the stability of regulating block installation.

Preferably, drive arrangement includes that the coaxial rotation cover is located drive ring on the revolving stage, the regulating block with be provided with the actuating lever between the drive ring, the both ends of actuating lever respectively with the regulating block with the drive ring is articulated and the articulated shaft is vertical, the actuating lever is in projection length on the revolving stage up end is less than the radius of revolving stage up end.

Through adopting above-mentioned technical scheme, because the actuating lever both ends are articulated with drive disk and regulating block respectively, when rotatory circle rotates, make the regulating block slide through the actuating lever, and the drive disk rotates and drives a plurality of actuating lever motions simultaneously and drive a plurality of regulating blocks simultaneously promptly and slide, realize driving a plurality of regulating blocks synchronous gliding function promptly, simple structure and convenient operation.

Preferably, a reset spring is arranged in the mounting groove, the reset spring is located between the adjusting block and the driving ring, the axis direction of the reset spring is horizontal and consistent with the length direction of the mounting groove, two ends of the reset spring are respectively fixed with the adjusting block and the wall of the mounting groove, and when the reset spring is in a natural state, the adjusting block is located at one end, close to the driving ring, of the mounting groove.

Through adopting above-mentioned technical scheme, slide in order to fix a position the bearing ring when being close to revolving stage up end centre of a circle at a plurality of regulating blocks, reset spring is stretched, and after the regulation is accomplished, thereby reset spring replies deformation and makes a plurality of regulating blocks move to reseing to keeping away from the bearing ring voluntarily to avoid the regulating block to influence the detection of probe to the bearing ring as far as possible.

Preferably, a circle of rotating groove is formed in the outer wall of the rotating table along the circumferential direction of the rotating table, and the driving ring is connected with a mounting ring which is rotatably embedded in the rotating groove.

Through adopting above-mentioned technical scheme, the cooperation of collar and swivelling chute realizes the rotation installation of drive ring on the revolving stage, and the mounting structure stability of drive ring is high.

Preferably, a handle is arranged on the outer wall of the driving ring.

Through adopting above-mentioned technical scheme, set up the handle so that operating personnel control drive ring rotates, and then the drive regulating block slides in order to adjust the bearing circle position.

Preferably, a plastic cushion block is arranged on one side, close to the circle center of the upper end face of the rotating table, of the adjusting block.

Through adopting above-mentioned technical scheme, set up the plastics cushion on the regulating block in order to avoid the regulating block to enclose the fish tail with the dead ring as far as possible.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through a plurality of regulating blocks and drive arrangement's setting, place the race ring on the revolving stage and be located between a plurality of regulating blocks, be close to the revolving stage up end centre of a circle in step through a plurality of regulating blocks of drive arrangement drive, because the distance of a plurality of regulating blocks apart from the revolving stage up end centre of a circle is the same, and the equal synchronous motion of a plurality of regulating blocks, then the distance of a plurality of regulating blocks to the revolving stage up end centre of a circle is the same all the time, when the race ring was with a plurality of regulating blocks butt, the distance of a plurality of positions of race ring outer peripheral face upwards to the revolving stage up end centre of a circle is all unanimous, then the race ring is coaxial with the revolving stage, this moment the rethread is visited and is examined time measuring to the race ring, the error of detected data is little, the accuracy is high.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is an enlarged view at a in fig. 1.

Reference numerals: 1. a base; 2. a rotating table; 3. a probe; 4. an adjusting block; 5. mounting grooves; 6. a drive coil; 7. a drive rod; 8. a handle; 9. a return spring.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, the embodiment of the application discloses a roundness measuring equipment for bearing detection, including base 1, revolving stage 2, probe 3 and display, base 1 level sets up, and revolving stage 2 is cylindrical and rotates and installs on base 1, is fixed with vertical installation pole on the base 1, and vertical slip cover is equipped with the mount pad on the installation pole, and horizontal slip wears to be equipped with the slide bar on the mount pad, and probe 3 then installs in the one end of slide bar and is located the top of revolving stage 2.

Referring to fig. 2, at least 3 adjusting blocks 4 are arranged on the upper end surface of the rotating table 2, the adjusting blocks 4 are uniformly distributed along the circumferential direction of the rotating table 2, and the distances between the adjusting blocks 4 and the circle center of the upper end surface of the rotating table 2 are the same; the adjusting blocks 4 are arranged on the rotating platform 2 in a sliding mode along the diameter direction of the upper end face of the rotating platform 2, a plurality of mounting grooves 5 for the adjusting blocks 4 to be mounted in a sliding mode are formed in the upper end face of the rotating platform 2, the mounting grooves 5 are formed in the radius direction of the upper end face of the rotating platform 2, the cross sections of the mounting grooves 5 are T-shaped, the adjusting blocks 4 are fixedly connected with sliding blocks which are embedded in the mounting grooves 5 in a sliding mode, and the sliding blocks are matched with the mounting grooves 5 in a sliding mode; the rotary table 2 is further provided with a driving device for driving the plurality of adjusting blocks 4 to slide synchronously.

Referring to fig. 2, the bearing ring is placed on the rotating table 2 and located between the adjusting blocks 4, when the adjusting blocks 4 synchronously move to the circle center close to the upper end face of the rotating table 2 until the adjusting blocks contact with the bearing ring, the distances from the adjusting blocks 4 to the circle center of the rotating table 2 are always kept consistent, so that the distance from the outer peripheral surface of the bearing ring to the circle center of the upper end face of the rotating table 2 is consistent, even if the bearing ring is coaxial with the rotating table 2, and the accuracy of detection data is improved; and in order to avoid the bearing ring from being scratched by the adjusting block 4, a plastic cushion block is fixed on one side of the adjusting block 4 close to the center of the circle of the upper end surface of the rotating platform 2.

Referring to fig. 2, the driving device includes a driving ring 6 coaxially and rotatably sleeved on the rotating table 2, a circle of rotating groove is formed on the outer wall of the rotating table 2 along the circumferential direction, and a mounting ring (not shown in the figure) rotatably embedded in the rotating groove is fixed on the inner wall of the lower end of the driving ring 6; a driving rod 7 is arranged between the adjusting block 4 and the driving ring 6, two ends of the driving rod 7 are respectively hinged with the adjusting block 4 and the driving ring 6, a hinged shaft is vertical, and the projection length of the driving rod 7 on the upper end face of the rotating platform 2 is smaller than the radius of the upper end face of the rotating platform 2; in this embodiment, the driving rod 7 is horizontally disposed, the upper end of the driving ring 6 is higher than the upper end surface of the rotating platform 2, and the driving rod 7 is hinged on the inner wall of the driving ring 6. When the driving ring 6 rotates, the adjusting blocks 4 are driven to slide by the driving rods 7, and the adjusting blocks 4 synchronously slide by the driving rods 7, so that the structure is simple and the implementation is easy; and a handle 8 is fixed on the outer wall of the driving ring 6 so as to facilitate the operator to rotate the driving ring 6.

Referring to fig. 2, a return spring 9 is arranged between the adjusting block 4 and the driving ring 6 in the mounting groove 5, the axial direction of the return spring 9 is horizontal and consistent with the length direction of the mounting groove 5, two ends of the return spring 9 are respectively fixedly connected with the groove walls of the adjusting block 4 and the mounting groove 5, and when the return spring 9 is in a natural state, the adjusting block 4 is located at one end of the mounting groove 5 close to the driving ring 6. The setting of reset spring 9 is used for making regulating block 4 reset after accomplishing bearing race position adjustment to avoid influencing the normal detection of probe 3 to the bearing race.

The implementation principle of the embodiment is as follows: when the bearing ring is detected, the bearing ring is placed in the center position on the rotating platform 2, the bearing ring is positioned among the adjusting blocks 4, the driving ring 6 is rotated, the driving ring 6 drives the adjusting blocks 4 to synchronously approach to the circle center of the upper end face of the rotating platform 2 through the driving rods 7 until the adjusting blocks 4 are abutted on the outer peripheral face of the bearing ring, and at the moment, the distances from the positions on the outer peripheral face of the bearing ring to the circle center of the upper end face of the rotating platform 2 are consistent, namely the bearing ring is coaxial with the rotating platform 2; the handle 8 is loosened, the adjusting block 4 is reset under the elastic action of the reset spring 9 until the adjusting block is not in contact with the bearing ring, the bearing ring is detected through the probe 3 at the moment, the coaxiality of the bearing ring and the rotating table 2 is high at the moment, the error of detected data is small, and the accuracy is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a roundness measuring equipment for bearing detection, its includes base (1), rotates revolving stage (2) of installing on base (1), probe (3) and display of slidable mounting on base (1), its characterized in that: the up end of revolving stage (2) is provided with and is no less than three regulating block (4), and is a plurality of regulating block (4) are followed the circumference evenly distributed of regulating block (4) and with the distance in revolving stage (2) up end centre of a circle is the same, regulating block (4) are followed the diameter direction of revolving stage (2) up end slide set up in on revolving stage (2), be provided with on revolving stage (2) and be used for driving a plurality of regulating block (4) synchronous gliding drive arrangement.

2. The roundness measuring instrument for bearing inspection according to claim 1, wherein: revolving stage (2) up end has been seted up and has been supplied a plurality ofly respectively regulating block (4) slidable mounting's multichannel mounting groove (5), mounting groove (5) are followed the radius direction of revolving stage (2) up end is seted up, the cross-section of mounting groove (5) is "T" font, regulating block (4) are connected with to slide to inlay and locate slider in mounting groove (5), and the slider with mounting groove (5) slip adaptation.

3. The roundness measuring instrument for bearing inspection according to claim 2, wherein: drive arrangement includes that coaxial rotation cover is located drive ring (6) on revolving stage (2), regulating block (4) with be provided with actuating lever (7) between drive ring (6), the both ends of actuating lever (7) respectively with regulating block (4) with drive ring (6) are articulated and the articulated shaft is vertical, actuating lever (7) are in projection length on revolving stage (2) up end is less than the radius of revolving stage (2) up end.

4. The roundness measuring instrument for bearing inspection according to claim 3, wherein: be provided with reset spring (9) in mounting groove (5), reset spring (9) are located regulating block (4) with between drive coil (6), the axis direction level of reset spring (9) and with mounting groove (5) length direction is unanimous, reset spring (9) both ends respectively with regulating block (4) with mounting groove (5) cell wall is fixed, when reset spring (9) are under natural state, regulating block (4) are located mounting groove (5) are close to the one end of drive coil (6).

5. The roundness measuring instrument for bearing inspection according to claim 4, wherein: the outer wall of the rotating platform (2) is provided with a circle of rotating groove along the circumferential direction, and the driving ring (6) is connected with a mounting ring which is rotatably embedded in the rotating groove.

6. The roundness measuring instrument for bearing inspection according to claim 5, wherein: and a handle (8) is arranged on the outer wall of the driving ring (6).

7. The roundness measuring instrument for bearing inspection according to claim 6, wherein: and a plastic cushion block is arranged on one side of the adjusting block (4) close to the circle center of the upper end surface of the rotating platform (2).