CN216132384U

CN216132384U - Gap detection equipment for precision bearing shaft

Info

Publication number: CN216132384U
Application number: CN202120818678.6U
Authority: CN
Inventors: 潘丽萍
Original assignee: Newsun-Xintianlong Precision Manufacturing Ltd
Current assignee: Newsun-Xintianlong Precision Manufacturing Ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-03-25
Anticipated expiration: 2031-04-21

Abstract

The utility model relates to the technical field of bearing detection, and particularly discloses a gap detection device for a precision bearing shaft, which comprises a test board, an electronic dial indicator, a test bearing and a bearing plate arranged above the test board, wherein the middle part of the test board is provided with a vertically arranged baffle plate, one side of the top of the test board close to the left is provided with a base, the middle part of the top of the base is fixedly connected with a support column, the outer side of the support column is integrally formed with a circular convex block, and the outer side of the circular convex block is provided with a groove for a regulating rod to be rotatably connected; the bearing and the electronic dial indicator can be matched under the driving action of the driving motor through the arranged test board, the gap precision can be better measured by utilizing the optical contact, the error generated when a person manually rotates can be reduced, and the radial and axial gaps can be simultaneously detected through the arranged test board.

Description

Gap detection equipment for precision bearing shaft

Technical Field

The utility model relates to the technical field of bearing detection, in particular to a gap detection device for a precision bearing shaft.

Background

A rolling bearing is a precise mechanical element that reduces friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction. The rolling bearing generally comprises four parts, namely an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with a shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by virtue of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the retainer can enable the rolling bodies to be uniformly distributed and guide the rolling bodies to rotate to play a lubricating role.

The gap between the radial and axial directions of the inner diameter of the rolling bearing and the ball can be changed after the rolling bearing is used for a long time, the change is fine, but the normal use of the rolling bearing can be influenced, therefore, the rolling bearing needs to be taken out for measurement when the rolling bearing is maintained, and whether the rolling bearing needs to be replaced is determined.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the gap detection equipment for the precision bearing shaft, which has the advantages of conveniently detecting the gap of the rolling bearing in the radial direction and the axial direction, avoiding the error caused by manual rotation, and solving the problem of inaccurate measurement caused by the error caused by manual rotation during the detection of the existing rolling bearing.

The gap detection equipment for the precision bearing shaft comprises a test board, an electronic dial indicator, a test bearing and a bearing plate arranged above the test board, wherein a vertically arranged partition plate is arranged in the middle of the test board, a base is arranged on the left side of the top of the test board, a support column is fixedly connected in the middle of the top of the base, a circular convex block is integrally formed on the outer side of the support column, and a groove for the rotary connection of an adjusting rod is formed in the outer side of the circular convex block; a connecting cylinder is sleeved at one free end of the adjusting rod, an extension rod is installed on the inner side of the connecting cylinder and is formed by combining two combined rods, a connecting lug is integrally formed on the outer side of one combined rod, and the outer side of the connecting lug is fixedly connected with the outer side of the electronic dial indicator; a driving motor matched with the test bearing is installed on the outer side of the test bearing, and a contact rod is tightly attached to one side of the test bearing; the bottom of the bearing plate is connected with a sliding block through a telescopic rod, and the outer side of the sliding block is connected with a sliding groove formed in the inner side of the connecting frame in a sliding mode.

Through the design of the technical scheme, the testing board, the electronic dial indicator and the testing bearing which are arranged are utilized to enable the whole testing bearing to be better tested, meanwhile, the electronic dial indicator can utilize the optical contact to carry out more accurate measurement on the bearing, and errors generated when a person manually rotates are reduced.

As a further improvement of the utility model, threaded rods are connected to two sides of the inner wall of the connecting frame in a penetrating manner, the outer sides of the threaded rods are in threaded connection with block bodies of the sliding blocks, supporting seats are fixedly connected to two sides of the connecting frame, and movable ejector rods are mounted at the tops of the supporting seats and attached to one side of the test bearing.

Through the design of the technical scheme, the threaded rod which is arranged can be matched with the connecting frame which is arranged, so that the sliding block can rotate more stably, and the requirement for normal use of the sliding block is met.

As a further improvement of the utility model, one free end of the butting rod is connected with the clamping frame through the adjusting shaft, and the outer side of the clamping frame is fixedly connected with one side of the test board through the connecting seat.

Through the design of the technical scheme, the adjusting shaft arranged by the cooperation of the arranged abutting rods can be used for better testing the board.

As a further improvement of the utility model, the bottom of the test board is fixedly connected with two shock absorption assemblies, and the bottoms of the two shock absorption assemblies are fixedly connected with anti-skid seats parallel to the ground.

Through the design of the technical scheme, the shock absorption assembly which is arranged can be matched with the anti-skidding seat, so that the whole test board is reduced when in use and the influence of uneven ground on the test result is reduced.

As a further improvement of the utility model, the bottom of the electronic dial indicator is fixedly connected with a connecting cover, the inner side of the connecting cover is fixedly connected with a reflecting cover, the inner side of the reflecting cover is provided with an optical contact connected with the electronic dial indicator, and the outer side of the optical contact is wrapped in the middle of the reflecting cover through a ring.

Through the design of the technical scheme, the detection paths of the optical contacts can be unified more by utilizing the matched reflector of the connecting cover to be arranged, so that the detection result is more accurate.

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

the bearing and the electronic dial indicator can be matched under the driving action of the driving motor through the arranged test board, the gap precision can be better measured by utilizing the optical contact, the error generated when a person manually rotates can be reduced, the radial and axial gaps can be simultaneously detected through the arranged test board, and the position of the whole bearing can be adjusted through the action of the driving motor and the arranged threaded rod, so that the bearing can be more accurately measured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic top view of a test board according to the present invention;

FIG. 2 is a schematic side view of the testing board of the present invention;

FIG. 3 is a schematic bottom view of the connecting cover of the present invention;

FIG. 4 is a schematic side sectional view of the connecting frame of the present invention.

In the figure: 01. a test board; 02. an electronic dial indicator; 03. a threaded rod; 04. a support plate; 05. a touch bar; 06. a connecting seat; 07. an adjustment shaft; 08. testing a bearing; 09. a drive motor; 10. a support pillar; 11. a base; 12. adjusting a rod; 13. a partition plate; 14. a connecting cylinder; 15. a circular bump; 16. a connection bump; 17. a shock absorbing assembly; 18. an anti-slip seat; 19. a connecting cover; 20. an optical contact; 21. a circular ring; 22. a reflector; 23. a connecting frame; 24. a movable ejector rod; 25. a supporting seat; 26. a slide block.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, the gap detection device for the precision bearing shaft of the utility model comprises a test board 01, an electronic dial indicator 02, a test bearing 08 and a bearing plate 04 arranged above the test board 01, wherein a vertically arranged partition plate 13 is arranged in the middle of the test board 01, a base 11 is arranged on the left side of the top of the test board 01, a support pillar 10 is fixedly connected in the middle of the top of the base 11, a circular bump 15 is integrally formed on the outer side of the support pillar 10, and a groove for the rotary connection of an adjusting rod 12 is formed in the outer side of the circular bump 15; a connecting cylinder 14 is sleeved at one free end of the adjusting rod 12, an extension rod is installed on the inner side of the connecting cylinder 14 and is formed by combining two combined rods, a connecting convex block 16 is integrally formed on the outer side of one combined rod, and the outer side of the connecting convex block 16 is fixedly connected with the outer side of the electronic dial indicator 02; the outer side of the test bearing 08 is provided with a driving motor 09 matched with the test bearing 08, and one side of the test bearing 08 is tightly attached with a touch rod 05; the bottom of bearing board 04 is connected with slider 26 through the telescopic link, some spout slip links to each other are seted up to slider 26's the outside and the inboard of connecting frame 23, design through above-mentioned technical scheme, utilize the test panel 01 that sets up, electron percentage table 02 and test bearing 08 just can let whole test bearing 08 better detect when testing, the use of electron percentage table 02 can utilize optical contact 20 to the more accurate measurement of carrying on of bearing simultaneously, reduce the produced error when the manual work rotates.

Please refer to fig. 4, the threaded rod 03 is connected to both sides of the inner wall of the connecting frame 23 in a penetrating manner, the outer side of the threaded rod 03 is connected to the block of the slider 26 in a threaded manner, the supporting seat 25 is fixedly connected to both sides of the connecting frame 23, the movable ejector rod 24 is installed at the top of the supporting seat 25 and is attached to one side of the test bearing 08, and by means of the above technical scheme design, the connecting frame 23 which can be set by the threaded rod 03 in a matching manner can enable the slider 26 to rotate more stably so as to meet the requirement of normal use of the slider 26.

Referring to fig. 1, a free end of the touch bar 05 is connected to the card frame through the adjusting shaft 07, and an outer side of the card frame is fixedly connected to one side of the test board 01 through the connecting seat 06.

Referring to fig. 2, the bottom of the test board 01 is fixedly connected with two shock absorbing assemblies 17, the bottoms of the two shock absorbing assemblies 17 are both fixedly connected with an anti-skid seat 18 parallel to the ground, and by the above technical scheme design, the shock absorbing assemblies 17 can be adapted to the anti-skid seat 18, so that the influence of the uneven ground on the test result when the whole test board 01 is used is reduced.

Referring to fig. 3, the bottom of the electronic dial indicator 02 is fixedly connected with a connecting cover 19, the inner side of the connecting cover 19 is fixedly connected with a reflecting cover 22, the inner side of the reflecting cover 22 is provided with an optical contact 20 connected with the electronic dial indicator 02, and the outer side of the optical contact 20 is wrapped in the middle of the reflecting cover 22 through a ring 21.

In the use of the utility model:

firstly, a test bearing 08 is installed at one end of a rotating rod of a driving motor 09, then the test bearing 08 can be abutted by using a set abutting rod 05 matched with an adjusting shaft 07, so that the test bearing 08 can rotate under the connection of the driving motor 09, after the test bearing 08 is connected, an optical contact 20 at the bottom of an electronic dial indicator 02 is aligned to the outer diameter of the test bearing 08 by matching an adjusting rod 12 with the electronic dial indicator 02, at the moment, the driving motor 09 is started, and the gap of the test bearing 08 can be detected under the rotating action of the driving motor 09 to carry out accurate measurement;

after the outer lane of test bearing 08 detects and accomplishes, take out test bearing 08 and place between two bearing plate 04, make two bearing plate 04 can bear test bearing 08's outer lane, make two bearing plate 04 can carry out the adaptation to test bearing 08 through rotating threaded rod 03 this moment, then utilize the movable ejector pin 24 that sets up to carry out the adaptation with test bearing 08's internal diameter, after test bearing 08 internal diameter adaptation is accomplished, remove electronic percentage table 02 to test bearing 08's internal diameter position department, make test bearing 08 carry out top-and-bottom liftout through movable ejector pin 24, just so can measure test bearing 08's internal diameter gap.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a precision bearing is gap check out test set for axle, includes and surveys test panel (01), electron percentage table (02), test bearing (08) and sets up bearing plate (04) in survey test panel (01) top, its characterized in that:

the test board comprises a test board (01), wherein a partition plate (13) which is vertically arranged is arranged in the middle of the test board (01), a base (11) is arranged on one side, close to the left, of the top of the test board (01), a support column (10) is fixedly connected to the middle of the top of the base (11), a circular bump (15) is integrally formed on the outer side of the support column (10), and a groove for the rotary connection of an adjusting rod (12) is formed in the outer side of the circular bump (15);

the electronic dial indicator comprises an electronic dial indicator (02), wherein a free end of the adjusting rod (12) is sleeved with a connecting cylinder (14), an extension rod is installed on the inner side of the connecting cylinder (14), the extension rod is formed by combining two combined rods, a connecting bump (16) is integrally formed on the outer side of one combined rod, and the outer side of the connecting bump (16) is fixedly connected with the outer side of the electronic dial indicator (02);

the test bearing (08), the driving motor (09) matched with the test bearing (08) is installed on the outer side of the test bearing (08), and a contact rod (05) is tightly attached to one side of the test bearing (08);

the bottom of the bearing plate (04) is connected with a sliding block (26) through a telescopic rod, and the outer side of the sliding block (26) is connected with a sliding groove formed in the inner side of the connecting frame (23) in a sliding mode.

2. The gap detecting apparatus for a precision bearing shaft according to claim 1, wherein: the inner wall both sides through connection of connection frame (23) has threaded rod (03), the outside of threaded rod (03) links to each other with the block department screw thread of slider (26), the equal fixedly connected with supporting seat (25) in both sides of connection frame (23), movable ejector pin (24) are installed at the top of supporting seat (25), and laminate with one side of test bearing (08).

3. The gap detecting apparatus for a precision bearing shaft according to claim 1, wherein: one free end of the contact rod (05) is connected with the clamping frame through the adjusting shaft (07), and the outer side of the clamping frame is fixedly connected with one side of the test board (01) through the connecting seat (06).

4. The gap detecting apparatus for a precision bearing shaft according to claim 1, wherein: the bottom of the test board (01) is fixedly connected with two damping assemblies (17), and the bottoms of the two damping assemblies (17) are fixedly connected with anti-skidding seats (18) parallel to the ground.

5. The gap detecting apparatus for a precision bearing shaft according to claim 1, wherein: the bottom fixedly connected with connecting cover (19) of electron percentage table (02), the inboard fixedly connected with reflector (22) of connecting cover (19), and optical contact (20) that are connected with electron percentage table (02) are installed to the inboard of reflector (22), and the outside of this optical contact (20) is through ring (21) parcel in the middle part of reflector (22).