CN219956899U

CN219956899U - Detection device for radial runout and axial runout of medical ball bearing mandrel

Info

Publication number: CN219956899U
Application number: CN202321645807.1U
Authority: CN
Inventors: 焦鹏; 焦育洁
Original assignee: Haisaisi Gu'an Technology Co ltd
Current assignee: Haisaisi Gu'an Technology Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-03
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a detection device for radial runout and axial runout of a medical ball bearing mandrel, which comprises a workbench, a first base and a second base, wherein the first base and the second base are arranged on one side of the workbench; the workbench is characterized in that a limiting groove is formed in the other side of the workbench, the limiting groove is in sliding connection with a fixed base, a limiting plate is arranged on one side of the fixed base, a supporting block is arranged on the other side of the fixed base, the supporting block is connected with a limiting block through a rotating rod, and a bearing is arranged on one side, away from the supporting block, of the limiting block. The detection device for the radial runout and the axial runout of the medical ball bearing mandrel with the structure is ingenious in arrangement, simple in operation and high in working efficiency.

Description

Detection device for radial runout and axial runout of medical ball bearing mandrel

Technical Field

The utility model relates to the technical field of detection tools, in particular to a detection device for radial runout and axial runout of a medical ball bearing mandrel.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision. For bearing performance evaluation, the rotational accuracy of the bearing flange of the medical radiation tube is an important index.

In the daily detection process, the V-shaped block is generally adopted to simply support and fix the outer surface of the bearing, and then the runout measurement of the position of the mandrel flange is carried out. Moreover, when the axial pre-tightening positioning is performed on the bearing, the problems of increased operation flow and reduced detection efficiency often occur.

Disclosure of Invention

The utility model aims to provide a device for detecting radial runout and axial runout of a medical ball bearing mandrel, which is ingenious in arrangement, small in measurement error and high in working efficiency.

In order to achieve the above purpose, the utility model provides a detection device for radial runout and axial runout of a medical ball bearing mandrel, which comprises a workbench, a first base and a second base, wherein the first base and the second base are arranged on one side of the workbench, a first fixing frame and a second fixing frame are respectively arranged on one side of the first base and one side of the second base, and a first measuring instrument and a second measuring instrument are respectively arranged on the first fixing frame and the second fixing frame; the workbench is characterized in that a limiting groove is formed in the other side of the workbench, the limiting groove is in sliding connection with a fixed base, a limiting plate is arranged on one side of the fixed base, a supporting block is arranged on the other side of the fixed base, the supporting block is connected with a limiting block through a rotating rod, and a bearing is arranged on one side, away from the supporting block, of the limiting block.

Preferably, the first base is perpendicular to the second base, the first fixing frame is perpendicular to the second fixing frame, and the first measuring instrument is perpendicular to the second measuring instrument.

Preferably, the first base and the second base are L-shaped, and two planes of the first base and the second base perpendicular to each other are provided with sliding holes.

Preferably, the limiting plate and the supporting block are connected with the fixing base through a first fixing bolt, the upper portion of the fixing base is V-shaped, and the fixing base is connected with the workbench through a second fixing bolt.

Preferably, an adjusting nut is arranged on one side, close to the limiting plate, of the rotating rod, a spring is sleeved on the rotating rod, one side of the spring abuts against the adjusting nut, and the other side of the spring is connected with the limiting block.

Preferably, the diameter of the spring is matched with the diameter of the rotating rod, the upper portion of the limiting plate is arc-shaped, and the arc-shaped diameter of the limiting plate is matched with the outer diameter of the bearing.

Preferably, a plurality of through holes are formed in the workbench near the first base and the second base.

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

(1) The height of the limiting plate is adjusted, so that the end face of the limiting plate is contacted with the end face of the outer ring of the bearing, but is not contacted with the mandrel, and the damage to the mandrel and the influence on the use of the bearing are avoided;

(2) Selecting a matched limiting block, enabling the end face of the limiting block to be in contact with the end face of the outer ring of the bearing, adjusting the front and back positions of the adjusting nut, enabling the spring to generate certain elasticity, and achieving the effect of prepressing the bearing;

(3) The front and back positions of the first base and the second base and the high and low positions of the first fixing frame and the second fixing frame are adjusted, so that the positions and the heights of the meter heads of the first measuring meter and the second measuring meter are guaranteed to be moderate, and the device is suitable for bearing sizes with different diameters.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a device for detecting radial runout and axial runout of a medical ball bearing mandrel according to the present utility model;

FIG. 2 is a side view of an embodiment of a device for detecting radial runout and axial runout of a medical ball bearing mandrel according to the present utility model;

FIG. 3 is a top view of an embodiment of a device for detecting radial runout and axial runout of a medical ball bearing mandrel according to the present utility model;

fig. 4 is a schematic bearing diagram of an embodiment of a device for detecting radial runout and axial runout of a medical ball bearing mandrel according to the present utility model.

Reference numerals:

1. a work table; 2. a first base; 3. a second base; 4. a first fixing frame; 5. the second fixing frame; 6. a first measuring instrument; 7. a second measuring instrument; 8. a limit groove; 9. a fixed base; 10. a limiting plate; 11. a support block; 12. a rotating rod; 13. a limiting block; 14. a bearing; 15. a sliding hole; 16. a first fixing bolt; 17. a second fixing bolt; 18. an adjusting nut; 19. a spring; 20. and a through hole.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

The utility model provides a detection device of medical treatment ball tube bearing dabber radial runout and axial runout, includes workstation 1 and establishes first base 2, second base 3 in workstation 1 one side, and first base 2, second base 3 are connected with workstation 1. The first fixing frame 4 and the second fixing frame 5 are respectively arranged on one side of the first base 2 and one side of the second base 3, and the first fixing frame 4 and the second fixing frame 5 are respectively connected with the first base 2 and the second base 3. The first base 2 and the second base 3 are L-shaped, the horizontal planes of the first base 2 and the second base 3 are fixed on the workbench 1, and the vertical planes of the first base 2 and the second base 3 are respectively fixed with a first fixing frame 4 and a second fixing frame 5. The workbench 1 is provided with a plurality of through holes 20 close to the first base 2 and the second base 3, and the through holes 20 are arranged to facilitate the fixation of different positions of the first base 2 and the second base 3.

The first fixing frame 4 and the second fixing frame 5 are respectively provided with a first measuring instrument 6 and a second measuring instrument 7, and the first measuring instrument 6 and the second measuring instrument 7 are respectively connected with the first fixing frame 4 and the second fixing frame 5. The two planes of the first base 2 and the second base 3 which are mutually perpendicular are respectively provided with a sliding hole 15, and the arrangement of the sliding holes 15 can enable the first base 2, the second base 3, the first measuring instrument 6 and the second measuring instrument 7 to slide along the sliding holes 15 for position adjustment so as to adapt to bearings 14 with different specifications.

The other side of the workbench 1 is provided with a limiting groove 8, the limiting groove 8 is in sliding connection with a fixed base 9, the fixed base 9 can slide in the limiting groove 8, and position adjustment is carried out, so that the measurement of a subsequent bearing 14 is facilitated. The upper part of the fixed base 9 is V-shaped, so that the bearing 14 can be better radially limited. The fixed base 9 is connected with the workbench 1 through a second fixed bolt 17, and the second fixed bolt 17 is detachable and is suitable for the fixed base 9 with the position adjusted frequently.

The limiting plate 10 is arranged on one side of the fixed base 9, the upper portion of the limiting plate 10 is arc-shaped, the arc-shaped diameter is matched with the outer diameter of the bearing 14, the shape of the bearing 14 is well adapted, and the bearing 14 is well limited. The other side of the fixed base 9 is provided with a supporting block 11, and the limiting plate 10 and the supporting block 11 can be used for adjusting the up-down positions so as to adapt to bearings 14 with different specifications. After the position adjustment is finished, the limiting plate 10 and the supporting block 11 are connected with the fixed base 9 through the first fixing bolts 16, so that the limiting plate 10 and the supporting block 11 are stably fixed at the height, the operation is simple, and the applicability is strong.

The supporting block 11 is connected with the limiting block 13 through the rotating rod 12, and the height of the supporting block 11 is adjusted, so that the height of the limiting block 13 is indirectly adjusted. The stopper 13 is kept away from supporting shoe 11 one side is equipped with bearing 14, stopper 13 and bearing 14 butt, and stopper 13 can give the axial spacing of different specification bearings 14, has further fixed bearing 14, makes it be difficult for sliding, avoids causing the phenomenon of measuring error increase.

The first base 2, the second base 3, the first fixing frame 4, the second fixing frame 5, the first measuring instrument 6 and the second measuring instrument 7 are mutually perpendicular, and the axial runout and the radial runout of the ball tube bearing are measured, the axial runout and the radial runout are mutually perpendicular, and the structure is mutually perpendicular, so that the bearing 14 can be better measured.

An adjusting nut 18 is arranged on one side, close to the limiting plate 10, of the rotating rod 12, the adjusting nut 18 is connected with the rotating rod 12, threads matched with the adjusting nut 18 are arranged on the rotating rod 12, and the adjusting nut 18 can conveniently move on the rotating rod 12 along the threads. The rotary rod 12 is sleeved with a spring 19, one side of the spring 19 is abutted against an adjusting nut 18, the other side of the spring 19 is connected with a limiting block 13, and the position of the adjusting nut 18 is adjusted to enable the spring 19 to have a certain elasticity, so that the spring has a certain pretightening force on the bearing 14. The diameter of the spring 19 is adapted to the diameter of the rotary rod 12, so that the elasticity of the spring 19 can be better adjusted, and the spring can have proper pretightening force on different bearings 14.

When the utility model is used, the proper limiting plate 10 and limiting block 13 are selected according to the specification, model and size structure of the bearing 14. The measured bearing 14 is arranged on the V-shaped fixed base 9, the outer rings at the two sides of the measured bearing 14 are contacted with the two planes of the V-shaped blocks, and the height of the limiting plate 10 is adjusted to ensure that the end face of the outer ring of the measured bearing 14 at the flange side is contacted with the limiting plate, so that the positioning effect is achieved. The limiting block 13 is coaxial with the end face of the outer ring on the other side of the bearing 14 to be tested by adjusting the height position of the supporting block 11. Through adjusting the positions of the spring 19 and the adjusting nut 18, a certain pretightening force exists when the limiting block 13 contacts with the end face of the outer ring of the measured bearing 14. The front and back positions of the first base 2 and the second base 3 and the high and low positions of the first fixing frame 4 and the second fixing frame 5 are adjusted, so that the first measuring instrument 6 and the second measuring instrument 7 are positioned at proper measuring heights and positions and are contacted with the end face and the surface of the flange of the mandrel of the bearing 14 to be measured. The measured bearing 14 mandrel is slowly and uniformly rotated, and the change of the indication value of the instrument is observed and recorded. The change delta K of the indication value of the second measuring instrument 7 is the radial runout of the bearing, and the change delta S of the indication value of the first measuring instrument 6 is the axial runout of the bearing. When the measured bearing 14 is measured, the measured bearing 14 after the measurement can be quickly removed by pulling the rotating rod 12 backwards, and meanwhile, a new bearing 14 to be measured is replaced, so that the purposes of quick replacement, positioning and measurement of the bearing 14 are realized.

Therefore, the detection device for the radial runout and the axial runout of the medical ball tube bearing mandrel with the structure can better limit different bearings due to the fact that the heights of the limiting plate and the supporting block are adjustable, and the bearing can be further fixed due to the fact that the adjusting nuts of the springs are arranged in a combined mode, a certain pre-pressure can be provided for the detected bearing; the position of the first base, the second base, the first fixing frame and the second fixing frame can be adjusted, bearings with different diameter sizes can be conveniently measured, and the device is ingenious in arrangement, simple in operation and high in working efficiency.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. The utility model provides a detection device that medical treatment ball tube bearing dabber radial runout and axial runout, its characterized in that: the device comprises a workbench, a first base and a second base, wherein the first base and the second base are arranged on one side of the workbench, a first fixing frame and a second fixing frame are respectively arranged on one side of the first base and one side of the second base, and a first measuring instrument and a second measuring instrument are respectively arranged on the first fixing frame and the second fixing frame; the workbench is characterized in that a limiting groove is formed in the other side of the workbench, the limiting groove is in sliding connection with a fixed base, a limiting plate is arranged on one side of the fixed base, a supporting block is arranged on the other side of the fixed base, the supporting block is connected with a limiting block through a rotating rod, and a bearing is arranged on one side, away from the supporting block, of the limiting block.

2. The device for detecting radial runout and axial runout of a medical ball bearing mandrel according to claim 1, wherein: the first base is perpendicular to the second base, the first fixing frame is perpendicular to the second fixing frame, and the first measuring instrument is perpendicular to the second measuring instrument.

3. The device for detecting radial runout and axial runout of a medical ball bearing mandrel according to claim 1, wherein: the first base and the second base are L-shaped, and two planes perpendicular to each other of the first base and the second base are provided with sliding holes.

4. The device for detecting radial runout and axial runout of a medical ball bearing mandrel according to claim 1, wherein: the limiting plate is connected with the supporting block through a first fixing bolt, the upper portion of the fixing base is V-shaped, and the fixing base is connected with the workbench through a second fixing bolt.

5. The device for detecting radial runout and axial runout of a medical ball bearing mandrel according to claim 1, wherein: and an adjusting nut is arranged on one side, close to the limiting plate, of the rotating rod, a spring is sleeved on the rotating rod, one side of the spring is abutted against the adjusting nut, and the other side of the spring is connected with the limiting block.

6. The device for detecting radial runout and axial runout of a medical ball bearing mandrel according to claim 5, wherein: the diameter of the spring is matched with the diameter of the rotating rod, the upper portion of the limiting plate is arc-shaped, and the arc-shaped diameter of the limiting plate is matched with the outer diameter of the bearing.

7. The device for detecting radial runout and axial runout of a medical ball bearing mandrel according to claim 1, wherein: and a plurality of through holes are formed in the workbench, close to the first base and the second base.