CN217977029U - Novel combined steel wire raceway CT machine bearing - Google Patents
Novel combined steel wire raceway CT machine bearing Download PDFInfo
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- CN217977029U CN217977029U CN202220586388.8U CN202220586388U CN217977029U CN 217977029 U CN217977029 U CN 217977029U CN 202220586388 U CN202220586388 U CN 202220586388U CN 217977029 U CN217977029 U CN 217977029U
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- steel ball
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Abstract
The utility model belongs to the technical field of medical science medical treatment CT machine equipment, especially, relate to a novel combination formula steel wire raceway CT machine bearing. The utility model provides a novel combination formula steel wire raceway CT machine bearing, including the inner circle, the inner circle is equipped with outer lane group outward, be equipped with bearing retaining mechanism between inner circle and the outer lane group, outer lane group is including the outer upper ring and outer lower ring that connect gradually from top to bottom, bearing retaining mechanism is including corresponding the last holder that outer upper ring set up and corresponding the lower holder that outer lower ring set up, upward be equipped with the steel ball in the holder, upward the steel ball is connected with outer steel wire towards outside upper ring, be equipped with down the steel ball in the lower holder, lower steel ball is connected with outer steel wire down towards outer lower ring. The utility model discloses a structural design reduces the collision between steel ball and the steel wire, increases the contact surface of raceway and steel ball, and the whole precision of product promotes, improves operation stability, and the noise reduction further improves the end face run-out degree of medical CT machine, and then promotes and detects the precision.
Description
Technical Field
The utility model belongs to the technical field of medical treatment CT machine equipment, especially, relate to a novel combination formula steel wire raceway CT machine bearing.
Background
The bearing of the medical CT machine generally adopts a structure that an inner ring raceway, 2 steel wire outer raceways and steel balls rotate in a combined mode in the prior art, but along with the increasing requirements on the medical CT machine, the rotating speed of the medical CT machine is also higher, and in the high-rotating-speed medical CT machine, because the rotating speed is increased, the stability is reduced, and the noise becomes larger. At high rotating speed, particularly more than 150r/min, the percent of pass of the inner steel wires is low, the existing product has only about 60 percent of pass, the vibration is increased in the operation process, the end face runout is increased, the integral precision is reduced, the noise is increased, and the development and the popularization of high-end medical CT machines with more than 128 layers are greatly limited.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a novel combination formula steel wire raceway CT machine bearing improves operation stability, noise reduction under guaranteeing high rotational speed prerequisite.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a novel combination formula steel wire raceway CT machine bearing, includes the inner circle, the inner circle be equipped with outer lane group outward, the inner circle with outer lane group between be equipped with bearing retaining mechanism, outer lane group including the outer upper ring that connects gradually from top to bottom and outer lower ring, bearing retaining mechanism including corresponding outer upper ring set up last holder with correspond outer lower ring set up lower holder, last holder in be equipped with the steel ball, last steel ball orientation outer upper ring be connected with outer steel wire, lower holder in be equipped with down the steel ball, lower steel ball orientation outer lower ring be connected with outer steel wire down.
Preferably, the outer upper ring and the outer lower ring are connected through threads.
As the optimization of the technical scheme, an upper concave matching part is arranged on the outer upper ring in a concave way, and an upper gasket is arranged on the outer surface of the upper outer steel wire close to the upper concave matching part; the outer lower ring is provided with a lower concave matching part in an inward concave mode, and the outer surface of the lower outer steel wire is provided with a lower gasket close to the lower concave matching part.
Preferably, an upper soft glue layer is arranged between the upper concave matching part and the upper liner; an upper soft glue layer is arranged between the lower concave matching part and the lower liner.
Preferably, in the technical solution, the inner ring and the outer ring set are provided with a protruding stress part in a protruding manner, and the protruding stress part is arranged between the upper retainer and the lower retainer in a vertical direction.
Preferably, the protruding stress part is provided with an upper ring raceway corresponding to the upper outer steel wire, and the upper ring raceway is provided with an upper arc-shaped binding surface bound with the outer surface of the upper outer steel wire.
Preferably, in the technical scheme, the protruding stress part is provided with a lower ring raceway corresponding to the lower outer steel wire, and the lower ring raceway is provided with a lower arc-shaped joint surface jointed with the outer surface of the lower outer steel wire.
Preferably, the upper retainer is provided with a ball pocket for accommodating the upper steel ball; the lower retainer is provided with a ball pocket for containing the lower steel ball.
Preferably, the inner side of the bottom of the outer upper ring is provided with an upper convex part in a protruding manner, the outer side of the bottom of the outer lower ring is provided with a lower convex part in a protruding manner, and the upper convex part is connected with the lower convex part.
Through implementing above-mentioned technical scheme, the utility model discloses following advantage has:
the utility model relates to a novel combination formula steel wire raceway CT machine bearing reduces the collision between steel ball and the steel wire through structural design, increases the contact surface of raceway and steel ball, and the whole precision of product promotes, improves operation stability, and the noise reduction further improves the end face run-out degree of medical CT machine, and then promotes and detects the precision.
Drawings
FIG. 1 is a cross-sectional view of the prior art;
FIG. 2 is a cross-sectional view of a novel combined steel wire raceway CT machine bearing according to the present application;
FIG. 3 is a cross-sectional view of the outer upper ring in the present application;
FIG. 4 is a cross-sectional view of the outer lower ring of the present application;
fig. 5 is a cross-sectional view of the upper turn in the present application.
Detailed Description
The present invention is further illustrated below with reference to specific examples and experimental data. It is understood that the embodiments of the present invention are merely illustrative and not restrictive, and that various changes and modifications may be made without departing from the spirit and scope of the present invention in accordance with the general technical knowledge and conventional means of the art.
Example 1
As shown in figure 1, when the structure of 2 inner steel wires 01 and 2 outer steel wires 02 of the original steel wire raceway CT machine is at a high rotating speed of more than 150r/min, the end face runout is large, the vibration is large, the imaging effect is poor, the noise is large, the novel structure reduces the collision between the steel ball and the steel wire, the contact surface between the raceway and the steel ball is increased, the integral precision of the product is improved, and the imaging effect and the noise of the bearing are better and lower.
As shown in fig. 2-5, a novel combined type steel wire raceway CT machine is provided. The utility model provides a novel combination formula steel wire raceway CT machine bearing, includes inner circle 6, inner circle 6 be equipped with outer lane group outward, inner circle 6 with outer lane group between be equipped with bearing retaining mechanism, outer lane group including the outer upper ring 1 that connects gradually from top to bottom and outer lower ring 7, bearing retaining mechanism including corresponding outer upper ring 1 set up last holder 4 and corresponding outer lower ring 7 set up lower holder 10, last holder 4 in be equipped with steel ball 5, last steel ball 5 orientation outer upper ring 1 be connected with outer wire 3, lower holder 10 in be equipped with down steel ball 11, lower steel ball 11 orientation outer lower ring 7 be connected with down outer wire 9.
The utility model relates to a novel combination formula steel wire raceway CT machine bearing reduces the interior steel wire among the prior art through structural design, the collision between steel ball and the steel wire has been reduced, and simultaneously, steel ball and inner circle raceway direct contact increase the contact surface of raceway and steel ball, the error accumulation of original structure steel wire and inner circle junction has been reduced, improve the precision of inner circle junction, the whole precision of product promotes, improve the stability of operation, the noise reduction, further improve the end face run-out degree of medical treatment CT machine, and then promote the detection precision.
The outer upper ring 1 and the outer lower ring 7 are connected through threads. The outer upper ring 1 is in threaded connection with the outer lower ring 7, axial runout is within 0.05mm, clearance is within 0.05mm, starting torque is within 30N.m, and after the product precision is determined to meet the requirements, the fastening screw is locked, and the service life is prolonged.
The outer upper ring 1 is provided with an upper concave matching part 1-1 in an inward concave manner, and the outer surface of the upper outer steel wire 3 is provided with an upper gasket 2 close to the upper concave matching part 1-1; the outer lower ring 7 is provided with a lower concave matching part 7-1 in an inward concave mode, and the outer surface of the lower outer steel wire 9 is provided with a lower gasket 8 close to the lower concave matching part 7-1. Wherein, the upper gasket 2 and the lower gasket 8 are both rubber gaskets.
An upper soft rubber layer is arranged between the upper concave matching part 1-1 and the upper liner 2; an upper soft glue layer 7-2 is arranged between the lower concave matching part 7-1 and the lower liner 8. The upper gasket 2 is matched with the upper soft rubber layer 2-1, and the lower gasket 8 is matched with the upper soft rubber layer 8-1, so that the anti-vibration effect is improved, the noise is better reduced, and the noise is reduced by 8.3%.
The inner ring 6 is provided with a convex stress part 6-1 in a protruding way in the direction of the outer ring group, and the convex stress part 6-1 is arranged between the upper retainer 4 and the lower retainer 10 in the vertical direction.
Further, the upper ring roller path 6-2 is provided with an upper circular arc-shaped jointing surface jointed with the outer surface of the upper outer steel wire 3. The convex stress part 6-1 is provided with a lower ring raceway 6-3 corresponding to the lower outer steel wire 9, and the lower ring raceway 6-3 is provided with a lower arc-shaped binding surface attached to the outer surface of the lower outer steel wire 9. The upper ring raceway 6-2 with a small contact angle is connected with the upper steel ball 5, the upper ring raceway 6-2 is connected with the lower steel ball 11, the contact area is increased by 23.5%, and the running stability is improved.
Example 2
Based on example 1, the difference from example 1 is that:
the upper retainer 4 is provided with a ball pocket for containing the upper steel ball 5; the lower retainer 10 is provided with a ball pocket for accommodating the lower steel ball 11. When the inner ring 6 rotates at a high speed, the upper retainer 4 with the ball pocket keeps the upper steel balls 5 rolling on the same horizontal plane, the lower retainer 10 with the ball pocket keeps the lower steel balls 11 rolling on the same horizontal plane, and the inner ring 6 and the outer ring group are kept to have a stable gap.
Example 3
Based on embodiment 1, the difference from embodiment 1 is that:
the inner side of the bottom of the outer upper ring 1 is convexly provided with an upper convex part 1-2, the outer side of the bottom of the outer lower ring 7 is convexly provided with a lower convex part 7-1, and the upper convex part 1-2 is connected with the lower convex part 7-1.
Claims (9)
1. The utility model provides a novel combination formula steel wire raceway CT machine bearing, includes inner circle (6), its characterized in that, inner circle (6) be equipped with outer lane group outward, inner circle (6) and outer lane group between be equipped with bearing retaining mechanism, outer lane group including outer upper ring (1) and outer lower ring (7) that connect gradually from top to bottom, bearing retaining mechanism including corresponding outer upper ring (1) set up last holder (4) and correspond outer lower ring (7) set up lower holder (10), last holder (4) in be equipped with steel ball (5), last steel ball (5) orientation outer upper ring (1) be connected with outer wire (3), lower holder (10) in be equipped with down steel ball (11), lower steel ball (11) orientation outer lower ring (7) be connected with outer wire (9).
2. The novel combined steel wire raceway CT machine bearing as claimed in claim 1, wherein said outer upper ring (1) and said outer lower ring (7) are connected by screw thread.
3. The novel combined steel wire raceway CT machine bearing as claimed in claim 2, wherein said outer upper ring (1) is recessed inward to form an upper recessed fitting portion (1-1), and an upper pad (2) is formed on the outer surface of said upper outer steel wire (3) adjacent to said upper recessed fitting portion (1-1); the outer lower ring (7) is provided with a lower concave matching part (7-1) in an inward concave manner, and the outer surface of the lower outer steel wire (9) is provided with a lower gasket (8) close to the lower concave matching part (7-1).
4. The novel combined steel wire raceway CT machine bearing as claimed in claim 3, wherein an upper soft rubber layer is provided between said upper concave fitting portion (1-1) and said upper pad (2); an upper soft rubber layer (7-2) is arranged between the lower concave matching part (7-1) and the lower liner (8).
5. The novel combined type steel wire raceway CT machine bearing as claimed in claim 1 or 4, wherein said inner ring (6) and said outer ring set are provided with a convex stress part (6-1) in a protruding manner, and said convex stress part (6-1) is provided between said upper cage (4) and said lower cage (10) in a vertical direction.
6. The novel combined type steel wire raceway CT machine bearing as claimed in claim 5, wherein said convex stress part (6-1) is provided with an upper ring raceway (6-2) corresponding to said upper outer steel wire (3), said upper ring raceway (6-2) having an upper circular arc-shaped abutting surface abutting against an outer surface of said upper outer steel wire (3).
7. The novel combined type steel wire raceway CT machine bearing as claimed in claim 6, wherein said protruding stress part (6-1) is provided with a lower ring raceway (6-3) corresponding to said lower outer steel wire (9), said lower ring raceway (6-3) having a lower arc-shaped abutting surface abutting against an outer surface of said lower outer steel wire (9).
8. The novel combined steel wire raceway CT machine bearing as claimed in claim 1, wherein said upper retainer (4) is provided with a ball pocket for accommodating said upper steel ball (5); the lower retainer (10) is provided with a ball pocket for containing the lower steel ball (11).
9. The novel combined type steel wire raceway CT machine bearing as claimed in claim 1, wherein said outer upper ring (1) is provided with an upper convex portion (1-2) at the inner bottom side in a protruding manner, said outer lower ring (7) is provided with a lower convex portion at the outer bottom side in a protruding manner, and said upper convex portion (1-2) is connected with said lower convex portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586388.8U CN217977029U (en) | 2022-03-17 | 2022-03-17 | Novel combined steel wire raceway CT machine bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586388.8U CN217977029U (en) | 2022-03-17 | 2022-03-17 | Novel combined steel wire raceway CT machine bearing |
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| Publication Number | Publication Date |
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| CN217977029U true CN217977029U (en) | 2022-12-06 |
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| CN202220586388.8U Active CN217977029U (en) | 2022-03-17 | 2022-03-17 | Novel combined steel wire raceway CT machine bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117267263A (en) * | 2023-10-24 | 2023-12-22 | 浙江恩碧技创新科技有限公司 | Shock-absorbing noise-reducing steel wire raceway bearing |
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2022
- 2022-03-17 CN CN202220586388.8U patent/CN217977029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117267263A (en) * | 2023-10-24 | 2023-12-22 | 浙江恩碧技创新科技有限公司 | Shock-absorbing noise-reducing steel wire raceway bearing |
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