CN203246527U - Sealing device for thrust wheel floating seal chamber - Google Patents
Sealing device for thrust wheel floating seal chamber Download PDFInfo
- Publication number
- CN203246527U CN203246527U CN 201320232236 CN201320232236U CN203246527U CN 203246527 U CN203246527 U CN 203246527U CN 201320232236 CN201320232236 CN 201320232236 CN 201320232236 U CN201320232236 U CN 201320232236U CN 203246527 U CN203246527 U CN 203246527U
- Authority
- CN
- China
- Prior art keywords
- floating
- caterpillar wheel
- sealing ring
- wheel
- thrust wheel
- Prior art date
- 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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- Mechanical Sealing (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a sealing device for a thrust wheel floating seal chamber, and the sealing device for the thrust wheel floating seal chamber is good in sealing property and easy to machine and manufacture. The sealing device for the thrust wheel floating seal chamber comprises a thrust wheel and a floating oil seal seat, the thrust wheel and the floating oil seal seat are respectively arranged on corresponding wheel shafts, a floating seal ring corresponding to the thrust wheel is arranged on the floating oil seal seat, corresponding O-shaped rings are arranged on the floating seal ring, the thrust wheel and the floating seal ring are respectively matched with the corresponding O-shaped rings in a sealing mode and form matching sealing surfaces, and protrusive strips or concave strips are distributed on the matching sealing surfaces.
Description
Technical field
The utility model relates to the floating sealing arrangement that seals the chamber of a kind of caterpillar wheel for construction machinery and equipment.
Background technology
In the practice, the phenomenons such as its caterpillar wheel floating sealing ring of existing excavating machine O type circle occurs easily twisting under running state, skids, rotation, and discountinuity bubbling phenomenon also often appears when the equipment leak test, this will have a strong impact on the sealing property at related seals position, to such an extent as to affect stability and the reliability of the corresponding part operation of machine; The major cause that these problems occur is that the related seals structure of caterpillar wheel exists certain irrationality, such as the problems such as roughness at the corresponding position of the associated components of floating envelope chamber.
The utility model content
The purpose of this utility model is the deficiency that exists for prior art, and the sealing arrangement of the floating envelope of a kind of caterpillar wheel chamber is provided.The sealing arrangement good seal performance of the floating envelope of this caterpillar wheel chamber is easy to processing and fabricating.
The technical scheme of the sealing arrangement of the floating envelope of the utility model caterpillar wheel chamber comprises caterpillar wheel and the float grease seal seat of being located at respectively on the corresponding wheel shaft, described float grease seal seat is provided with the floating sealing ring corresponding with caterpillar wheel, described floating sealing ring is provided with corresponding O type circle, and the matching trim that mutually is sealed and matched with corresponding O type circle respectively of described caterpillar wheel and floating sealing ring is laid with burr bar or dimpled grain bar.
The matching trim that mutually is sealed and matched with corresponding O type circle respectively of described caterpillar wheel and floating sealing ring is a dip plane.
The height of the burr bar of the corresponding matching trim of described caterpillar wheel and floating sealing ring is less than its width.
This burr bar of the matching trim of described caterpillar wheel and floating sealing ring is processing knife mark or reticulate pattern.
This burr bar of the matching trim of described caterpillar wheel and floating sealing ring is made of the surface working roughness of Ra5-10.
The sealing arrangement of the floating envelope of the utility model caterpillar wheel chamber can greatly reduce a driving wheel oil accident, and relative failure frequency is low, corresponding service life of improving product; Simultaneously because the fit structure science of its sealing surface, rationally, relative reduce corresponding requirement on machining accuracy.
Description of drawings
Fig. 1 is the sealing arrangement one example structure scheme drawing of the floating envelope of the utility model caterpillar wheel chamber.
The specific embodiment
Now by embodiment and accompanying drawing the floating sealing arrangement that seals the chamber of the utility model caterpillar wheel is further specified.
As shown in Figure 1, caterpillar wheel 4 and corresponding float grease seal seat 1 are sheathed on respectively on the supporting wheel shaft, float grease seal seat 1 is provided with floating sealing ring 2, floating sealing ring 2 is provided with respectively the O type circle 3 corresponding with float grease seal seat 1 and caterpillar wheel 4, the matching trim that complements each other to form sealing with O type circle 3 respectively of caterpillar wheel 4 and floating sealing ring 2 is respectively dip plane 4a and a 2a, and the dip plane 4a of caterpillar wheel 4 and floating sealing ring 2 and 2a are respectively by A10K-SDQCR07 boring cutter bar, blade DCMT070204-KF3005
It is processed to form the roughness of surface of Ra5-10, namely consisted of the burr bar that complements each other to form respectively the matching trim of sealing with O type circle 3 of caterpillar wheel 4 and floating sealing ring 2 by the roughness of surface of Ra5-10, the processing roughness is in the profile unit, and the cell height of profile is less than the width of profile.
The interior outer gland sealing of its caterpillar wheel of sealing arrangement of the floating envelope of caterpillar wheel chamber is that the inclined-plane by caterpillar wheel and floating sealing ring cooperates realization with corresponding O type circle 3 respectively.The sealing of the floating envelope of caterpillar wheel of the present utility model chamber adopts corresponding hermetically-sealed construction simultaneously, sealing surface between each corresponding parts is increased certain roughness, to obtain the friction force of an appropriateness, and then so that corresponding O type circle can be in metastable state under operating mode, to obtain relatively better sealing effectiveness.
Other modified products that float the technical scheme of the sealing arrangement that seals the chamber based on this caterpillar wheel all belong to protection domain of the present utility model; Above-described embodiment is not the exhaustive of the specific embodiment of the present utility model.
Claims (5)
1. a caterpillar wheel floats the sealing arrangement that seals the chamber, comprise caterpillar wheel and the float grease seal seat be located at respectively on the corresponding wheel shaft, described float grease seal seat is provided with the floating sealing ring corresponding with caterpillar wheel, described floating sealing ring is provided with corresponding O type circle, it is characterized in that the matching trim that mutually is sealed and matched with corresponding O type circle respectively of described caterpillar wheel and floating sealing ring is laid with burr bar or dimpled grain bar.
2. the sealing arrangement of the floating envelope of described caterpillar wheel chamber according to claim 1 is characterized in that the matching trim that mutually is sealed and matched with corresponding O type circle respectively of described caterpillar wheel and floating sealing ring is a dip plane.
3. the sealing arrangement of the floating envelope of described caterpillar wheel chamber according to claim 1 is characterized in that the height of burr bar of corresponding matching trim of described caterpillar wheel and floating sealing ring is less than its width.
4. according to claim 1, the sealing arrangement of the floating envelope of 2 or 3 described caterpillar wheels chamber, it is characterized in that this burr bar of the matching trim of described caterpillar wheel and floating sealing ring is processing knife mark or reticulate pattern.
5. according to claim 1, the sealing arrangement of the floating envelope of 2 or 3 described caterpillar wheels chamber, it is characterized in that this burr bar of the matching trim of described caterpillar wheel and floating sealing ring is made of the surface working roughness of Ra5-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320232236 CN203246527U (en) | 2013-05-02 | 2013-05-02 | Sealing device for thrust wheel floating seal chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320232236 CN203246527U (en) | 2013-05-02 | 2013-05-02 | Sealing device for thrust wheel floating seal chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203246527U true CN203246527U (en) | 2013-10-23 |
Family
ID=49372981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320232236 Expired - Fee Related CN203246527U (en) | 2013-05-02 | 2013-05-02 | Sealing device for thrust wheel floating seal chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203246527U (en) |
-
2013
- 2013-05-02 CN CN 201320232236 patent/CN203246527U/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 |
Granted publication date: 20131023 Termination date: 20150502 |
|
| EXPY | Termination of patent right or utility model |