CN201382157Y - Rotating sealing device capable of automatically compensating wear - Google Patents
Rotating sealing device capable of automatically compensating wear Download PDFInfo
- Publication number
- CN201382157Y CN201382157Y CN200820230697U CN200820230697U CN201382157Y CN 201382157 Y CN201382157 Y CN 201382157Y CN 200820230697 U CN200820230697 U CN 200820230697U CN 200820230697 U CN200820230697 U CN 200820230697U CN 201382157 Y CN201382157 Y CN 201382157Y
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- CN
- China
- Prior art keywords
- pressing plate
- rubber seal
- wear
- oil
- bearing cage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a rotating sealing device capable of automatically compensating wear, which consists of a seal structure capable of automatically compensating wear, a trunk oil pipeline, a rotating hollow shaft, a bearing cage, a base, a jack screw, nuts, an oil inlet joint, a jacking block, a spring, an oil filling pipe, bolts, a pushrod, a retaining collar, a radial pressing plate, an axial pressing plate and a rubber sealing ring, wherein the jack screw, the spring, the pushrod, the nuts, the axial pressing plate, the radial pressing plate and the rubber sealing ring form a jack screw pressing system; and the trunk oil pipeline, the oil filling pipe and the oil inlet joint form an oil filling system. The utility model has the advantages that the reliability of the seal is improved, the wear on the sealing ring is reduced, the dust is kept off and the service life and the reliability of the seal are increased.
Description
Technical field
The utility model relates to a kind of seal arrangement, especially a kind of rotating sealing device of automatic compensate for wear.
Background technique
At present, grinding machine is in the industrial departments such as mine, building materials, chemical industry, metallurgy, and the most general, the most general milling equipment occupies status of the utmost importance in mineral pulverizing and ultra-fine grinding processing.The revolving meber two ends of grinding machine are by two bearings runnings, and the bearings mode adopts sliding bearing or rolling bearing.Rolling bearing is because enabling capabilities is little, boundary dimension is little, design and defectives such as difficulty of processing is big, cost height, and present stage is only used on some small-sized grinding machines.Aspect tools such as sliding bearing manufactures and designs simply because support loads is big, and boundary dimension is unrestricted, cost is low have great advantage, and the supporting way of now nearly all large-sized grinder all adopts sliding bearing.Because sliding bearing adopts the thin oil lubricant mode, in order to prevent the bearing leakage of oil, the bearing safety cover just must a kind of reliably anti-leakage of oil rotary seal structure of design.And existing sealing configuration generally all is to be pressed on by rubber seal to seal on the running shaft, and its impacting force will be leaned on the elastic force of rubber itself and the pretightening force when installing provides, and the impacting force size is wayward.The utility model can solve the deficiencies in the prior art, and following model utility content now is provided
The model utility content
The utility model is for solving above-mentioned technological deficiency of the prior art, a kind of rotating sealing device of automatic compensate for wear is provided, the utility model comprises: the automatically sealing configuration 1 of compensate for wear, drier oil oiling pipeline 2, rotation quill shaft 3, bearing cage 4, base 5, screw jackscrew 6, nut 7, fuel inlet fitting 8, jacking block 9, spring 10, oil filler pipe 11, bolt 12, push rod 13, baffle ring 14, pressing plate radially, 15, axially pressing plate 16, rubber seal 17; Its concrete technological scheme is: rotation quill shaft at least one jackscrew pressing system of 3 arranged outside and at least one drier oil injected system; The jackscrew pressing system by screw jackscrew, spring, push rod, nut, axially pressing plate, radially pressing plate, rubber seal constitute; The drier oil injected system is made of drier oil pipeline, oil filler pipe and fuel inlet fitting; The drier oil injected system is arranged on the outside of jackscrew pressing system. and the jackscrew pressing system is to be provided with a through hole in bearing cage 4 at least, baffle ring 14 is arranged on bearing cage 4 inner via holes bottom, push rod 13 is arranged on the top of baffle ring 14, and the lower end of push rod 13 is provided with radially that pressing plate 15 is used to hold out against push rod 13; Rubber seal 17 1 sides are provided with the hole corresponding with oil filler pipe 11, oil filler pipe 11 is arranged in the hole of rubber seal 17, the top of rubber seal 17 is arranged on the radially below of pressing plate 15, be used to hold out against radially pressing plate 15, axially pressing plate 16 is arranged on a side of bearing cage 4, is fixed by bolt 12; Spring 10 is arranged on push rod 13 tops, jacking block 9 is arranged on the top of spring 10, have at least a nut 7 to be arranged on bearing cage 4 tops, screw jackscrew 6 is arranged in the through hole of bearing cage 4 by nut 7, be used to hold out against jacking block 9, fixedly rubber seal 17, seal ring 17 employing " three-jaw " shapes are wear-resistant, the rubber material of good springiness, impacting force is stored, after rubber seal 17 wearing and tearing, discharge impacting force again, compressing rubber seal ring 17, the wear extent of compensation sealing circle makes seal ring 17 be in the optimal seal state.Promptly constitute the sealing configuration 1 of automatic compensate for wear, the lower end of bearing cage 4 is arranged on the base 5, is provided with the sealing configuration 1 of an automatic compensate for wear on the interior circle of bearing cage 4 at least, and rotation quill shaft 3 is arranged on sealing configuration 1 inboard of automatic compensate for wear; The interior circle of bearing cage 4 compresses the sealing configuration 1 of automatic compensate for wear, and the drier oil injected system is connected with fuel inlet fitting 8 by drier oil oiling pipeline 2, and oily joint 8 is arranged on the top of oil filler pipe 11, promptly constitutes the rotary seal structure of the automatic compensate for wear of a kind of energy.
The beneficial effects of the utility model: be both to have improved sealing reliability, reduced ring wear, keep off grey effect in addition, increase sealing working life and sealing reliability simultaneously.
Description of drawings
Further specify the technical solution of the utility model below in conjunction with accompanying drawing:
Fig. 1 is the utility model general assembly schematic representation;
Fig. 2 is that jackscrew compresses sectional drawing;
Fig. 3 is drier oil injection profile figure;
Among Fig. 1,2,3: the automatically sealing configuration 1 of compensate for wear, drier oil oiling pipeline 2, rotation quill shaft 3, bearing cage 4, base 5, screw jackscrew 6, nut 7, fuel inlet fitting 8, jacking block 9, spring 10, oil filler pipe 11, bolt 12, push rod 13, baffle ring 14, pressing plate radially, 15, axially pressing plate 16, rubber seal 17.
Embodiment
As shown in Figure 1, 2, 3, rotation quill shaft at least one jackscrew pressing system of 3 arranged outside and at least one drier oil injected system; The jackscrew pressing system by screw jackscrew, spring, push rod, nut, axially pressing plate, radially pressing plate, rubber seal constitute; The drier oil injected system is made of drier oil pipeline, oil filler pipe and fuel inlet fitting; The drier oil injected system is arranged on the outside of jackscrew pressing system. and the jackscrew pressing system is to be provided with a through hole in bearing cage 4 at least, baffle ring 14 is arranged on bearing cage 4 inner via holes bottom, push rod 13 is arranged on the top of baffle ring 14, and the lower end of push rod 13 is provided with radially that pressing plate 15 is used to hold out against push rod 13; Rubber seal 17 1 sides are provided with the hole corresponding with oil filler pipe 11, oil filler pipe 11 is arranged in the hole of rubber seal 17, the top of rubber seal 17 is arranged on the radially below of pressing plate 15, be used to hold out against radially pressing plate 15, axially pressing plate 16 is arranged on a side of bearing cage 4, is fixed by bolt 12; Spring 10 is arranged on push rod 13 tops, jacking block 9 is arranged on the top of spring 10, have at least a nut 7 to be arranged on bearing cage 4 tops, screw jackscrew 6 is arranged in the through hole of bearing cage 4 by nut 7, be used to hold out against jacking block 9, fixedly rubber seal 17, seal ring 17 employing " three-jaw " shapes are wear-resistant, the rubber material of good springiness, impacting force is stored, after rubber seal 17 wearing and tearing, discharge impacting force again, compressing rubber seal ring 17, the wear extent of compensation sealing circle makes seal ring 17 be in the optimal seal state.Promptly constitute the sealing configuration 1 of automatic compensate for wear, the lower end of bearing cage 4 is arranged on the base 5, is provided with the sealing configuration 1 of an automatic compensate for wear on the interior circle of bearing cage 4 at least, and rotation quill shaft 3 is arranged on sealing configuration 1 inboard of automatic compensate for wear; The interior circle of bearing cage 4 compresses the sealing configuration 1 of automatic compensate for wear, and the drier oil injected system is connected with fuel inlet fitting 8 by drier oil oiling pipeline 2, and oily joint 8 is arranged on the top of oil filler pipe 11, promptly constitutes the rotary seal structure of the automatic compensate for wear of a kind of energy.
Claims (4)
1, a kind of rotating sealing device of automatic compensate for wear, be by: automatically the sealing configuration (1) of compensate for wear, drier oil oiling pipeline (2), rotation quill shaft (3), bearing cage (4), base (5), screw jackscrew (6), nut (7), fuel inlet fitting (8), jacking block (9), spring (10), oil filler pipe (11), bolt (12), push rod (13), baffle ring (14), radially pressing plate (15), axially pressing plate (16), rubber seal (17) constitute; It is characterized in that: rotation quill shaft (3) at least one jackscrew pressing system of arranged outside and at least one drier oil injected system; Screw jackscrew (6), spring (10), push rod (13), nut (7), axially pressing plate (16), radially pressing plate (15), rubber seal (17) constitute the jackscrew pressing system; The drier oil injected system is arranged on the outside of jackscrew pressing system, and drier oil pipeline (2), oil filler pipe (11) and fuel inlet fitting (8) constitute the drier oil injected system.
2, according to the rotating sealing device of the described a kind of automatic compensate for wear of claim 1, it is characterized in that: be provided with a through hole in the bearing cage (4) at least, baffle ring (14) is arranged on bearing cage (4) inner via hole bottom, push rod (13) is arranged on the top of baffle ring (14), and the lower end of push rod (13) is provided with radially that pressing plate (15) is used to hold out against push rod (13); The top of rubber seal (17) is arranged on the radially below of pressing plate (15), is used to hold out against radially pressing plate (15), and axially pressing plate (16) is arranged on a side of bearing cage (4), is fixed by bolt (12); Spring (10) is arranged on push rod (13) top, jacking block (9) is arranged on the top of spring (10), have at least a nut (7) to be arranged on bearing cage (4) top, screw jackscrew (6) is arranged in the through hole of bearing cage (4) by nut (7), be used to hold out against jacking block (9), fixedly rubber seal (17).
3, according to the rotating sealing device of the described a kind of automatic compensate for wear of claim 1, it is characterized in that: rubber seal (17) one sides are provided with and the corresponding hole of oil filler pipe (11), oil filler pipe (11) is arranged in the hole of rubber seal (17), drier oil oiling pipeline (2) is connected with fuel inlet fitting (8), and oily joint (8) is arranged on the top of oil filler pipe (11).
4, according to the rotating sealing device of the described a kind of automatic compensate for wear of claim 1, it is characterized in that: a side of " three-jaw " shape rubber seal (17) is provided with and the corresponding hole of oil filler pipe (11), oil filler pipe (11) is arranged in the hole of rubber seal (17), and the top of rubber seal (17) is arranged on the radially below of pressing plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820230697U CN201382157Y (en) | 2008-12-09 | 2008-12-09 | Rotating sealing device capable of automatically compensating wear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820230697U CN201382157Y (en) | 2008-12-09 | 2008-12-09 | Rotating sealing device capable of automatically compensating wear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201382157Y true CN201382157Y (en) | 2010-01-13 |
Family
ID=41525632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820230697U Expired - Fee Related CN201382157Y (en) | 2008-12-09 | 2008-12-09 | Rotating sealing device capable of automatically compensating wear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201382157Y (en) |
-
2008
- 2008-12-09 CN CN200820230697U patent/CN201382157Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20161209 |