CN214698787U - Ceramic joint ball bearing of sealed air duct - Google Patents
Ceramic joint ball bearing of sealed air duct Download PDFInfo
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- CN214698787U CN214698787U CN202121003005.1U CN202121003005U CN214698787U CN 214698787 U CN214698787 U CN 214698787U CN 202121003005 U CN202121003005 U CN 202121003005U CN 214698787 U CN214698787 U CN 214698787U
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- welding casing
- ceramic
- inner tube
- entrance point
- joint ball
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Abstract
The utility model discloses a sealed tuber pipe ceramic joint ball bearing, include: welding casing and inner tube, welding casing one end inboard is inserted and is established the jump ring, the inboard card of welding casing establishes the ceramic sheathing, the welding casing other end is equipped with the entrance point, the inner tube enters into the welding casing inboard from the entrance point, the inner tube is close to welding casing end and is equipped with solid fixed ring, the inner tube is close to the solid fixed ring end outside cover and establishes the ceramic joint ball. Its simple structure utilizes the characteristic of pottery self, and the wearability is good, and the inner tube card is established firmly in the welding shell, is equipped with jump ring and solid fixed ring, connects more firmly, and the entrance point is and moves back eight shapes, has increased the radial wobbling range of inner tube and wear-resisting ceramic ball.
Description
Technical Field
The utility model relates to a bearing part field, in particular to sealed tuber pipe ceramic joint ball bearing.
Background
The ceramic joint ball bearing of the sealing air pipe is mainly used for preventing primary air from leaking in the running process of the coal mill roller support to protect key parts of an oversized bearing at the center of the roller support. Because the coal mill works in a 24-hour running state, the sealing air pipe joint ball bearing is easy to wear, primary air leakage air pressure of the coal mill is reduced, and pulverized coal enters the roller support to clamp and plug the oversized bearing at the center of the roller support. Causing the largest equipment accident of the coal mill.
The existing sealing air pipe joint ball bearing is poor in stability, insecure in connection and wear-resistant in use materials.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides a sealed tuber pipe ceramic joint ball bearing, its simple structure utilizes the characteristic of pottery self, and the wearability is good, and the inner tube card is established firmly in the welding shell, is equipped with jump ring and solid fixed ring, connects more firmly, and the entrance point is and moves back eight shapes, has increased the radial wobbling range of inner tube and wear-resisting ceramic ball.
In order to achieve the above object, the utility model adopts the following technical scheme:
sealed tuber pipe ceramic joint ball bearing includes: welding casing and inner tube, welding casing one end inboard is inserted and is established the jump ring, the inboard card of welding casing establishes the ceramic sheathing, the welding casing other end is equipped with the entrance point, the inner tube enters into the welding casing inboard from the entrance point, the inner tube is close to welding casing end and is equipped with solid fixed ring, the inner tube is close to the solid fixed ring end outside cover and establishes the ceramic joint ball.
Preferably, the ceramic sleeve is clamped between the clamp spring and the inlet end.
Preferably, the diameter of the inlet end is gradually reduced from the diameter far away from the central end of the welding shell to the diameter close to the central end of the welding shell, the inlet end is in an eight-back shape, the diameter of the inlet end close to the central end of the welding shell is smaller than the diameter of the outer wall of the ceramic sleeve, and the diameter of the inlet end close to the central end of the welding shell is larger than the diameter of the inner wall of the ceramic sleeve.
The utility model has the advantages that:
the inlet end is in a shape of a reversed octagon, so that the radial swing amplitude of the inner tube and the wear-resistant ceramic ball is increased. The fixing ring is mainly used for fixing the axial positioning of the wear-resistant ceramic joint ball, the ceramic sleeve on the inner side of the welding shell reduces the impact force of external force on the shell to cause ceramic damage, the ceramic sleeve is designed with the axial string movement of the clamp spring for fixing the ceramic sleeve, the ceramic joint ball axially moves in the wear-resistant ceramic sleeve, the surface precision of the ball and the sleeve is high, the hardness is high, the wear resistance is reduced, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
reference symbol comparison table:
1-welding a shell, 2-a ceramic sleeve, 3-a snap spring, 4-an inlet end, 5-an inner tube, 6-a ceramic joint ball and 7-a fixing ring.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.
As shown in fig. 1, the ceramic joint ball bearing of the sealed air duct comprises: welding casing 1 and inner tube 5, 1 one end inboard of welding casing is inserted and is established jump ring 3, 1 inboard card of welding casing establishes ceramic sheathing 2, 1 other end of welding casing is equipped with entrance point 4, inner tube 5 enters into 1 inboardly of welding casing from entrance point 4, inner tube 5 is close to 1 end of welding casing and is equipped with solid fixed ring 7, inner tube 5 is close to solid fixed ring 7 and holds the outside cover and establish ceramic joint ball 6.
The ceramic sleeve 2 is clamped between the clamp spring 3 and the inlet end 4.
The diameter of entrance point 4 from keeping away from welding casing 1 center end to being close to welding casing 1 center end reduces gradually, entrance point 4 is and moves back eight shape, the diameter that entrance point 4 is close to welding casing 1 center end is less than 2 outer wall diameters of ceramic bushing, the diameter that entrance point 4 is close to welding casing 1 center end is greater than 2 inner wall diameters of ceramic bushing.
The inlet end is in a shape of a reversed V, the fixing ring mainly serves to fix the axial positioning of the wear-resistant ceramic joint ball, the ceramic sleeve on the inner side of the shell is welded, the impact force of external force on the shell is reduced to cause ceramic damage, the ceramic sleeve is designed to have the axial string motion of the clamp spring fixing ceramic sleeve, and the ceramic joint ball axially moves in the wear-resistant ceramic sleeve.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. Sealed tuber pipe ceramic joint ball bearing, its characterized in that includes: welding casing (1) and inner tube (5), welding casing (1) one end inboard is inserted and is established jump ring (3), ceramic cover (2) are established to welding casing (1) inboard card, welding casing (1) other end is equipped with entrance point (4), inner tube (5) enter into welding casing (1) inboard from entrance point (4), inner tube (5) are close to welding casing (1) end and are equipped with solid fixed ring (7), inner tube (5) are close to solid fixed ring (7) end outside cover and establish ceramic joint ball (6).
2. The ceramic joint ball bearing of the sealed air duct according to claim 1, wherein: the ceramic sleeve (2) is clamped between the clamp spring (3) and the inlet end (4).
3. The ceramic joint ball bearing of the sealed air duct according to claim 1, wherein: entrance point (4) reduce to the diameter that is close to welding casing (1) center end from the diameter of keeping away from welding casing (1) center end gradually, entrance point (4) are and move back eight shape, the diameter that entrance point (4) are close to welding casing (1) center end is less than ceramic cover (2) outer wall diameter, the diameter that entrance point (4) are close to welding casing (1) center end is greater than ceramic cover (2) inner wall diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121003005.1U CN214698787U (en) | 2021-05-07 | 2021-05-07 | Ceramic joint ball bearing of sealed air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121003005.1U CN214698787U (en) | 2021-05-07 | 2021-05-07 | Ceramic joint ball bearing of sealed air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698787U true CN214698787U (en) | 2021-11-12 |
Family
ID=78551906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121003005.1U Active CN214698787U (en) | 2021-05-07 | 2021-05-07 | Ceramic joint ball bearing of sealed air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214698787U (en) |
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2021
- 2021-05-07 CN CN202121003005.1U patent/CN214698787U/en active Active
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