CN208325444U - A kind of dredger thrust wheel - Google Patents
A kind of dredger thrust wheel Download PDFInfo
- Publication number
- CN208325444U CN208325444U CN201820979394.3U CN201820979394U CN208325444U CN 208325444 U CN208325444 U CN 208325444U CN 201820979394 U CN201820979394 U CN 201820979394U CN 208325444 U CN208325444 U CN 208325444U
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- CN
- China
- Prior art keywords
- side cover
- wheel body
- seal
- cavity
- 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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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model relates to a kind of dredger thrust wheels, including shaft, wheel body in shaft, it is located at the side cover of wheel body two sides in shaft, it is characterized by: the side cover is equipped with side cover step, the wheel body is equipped with the wheel body step that labyrinth seal is formed with side cover step, side cover cavity is equipped with positioned at the inside of side cover step on the side cover, wheel body cavity is equipped with positioned at the inside of wheel body step on the wheel body, the side cover cavity and wheel body cavity combinations form a seal chamber, side cover O-ring seal is equipped in the side cover cavity, wheel body O-ring seal is equipped in the wheel body cavity, the side cover float grease seal of compacting side cover O-ring seal is equipped in the seal chamber, the wheel body float grease seal of compacting wheel body O-ring seal is equipped in the seal chamber, the side cover float grease seal and wheel body float grease seal abut each other and edge It is symmetrical arranged against position.Which solve the bad technical problems of sealing effect existing for existing thrust wheel.
Description
Technical field
The utility model relates to a kind of dredger thrust wheels.
Background technique
China Patent No.: CN201310346591.3 discloses a kind of thrust wheel, including thrust wheel body and is set to the branch
Wheel shaft in roller body, the left end cap and right end cap for being set on the wheel shaft and being held in the thrust wheel body, the Zhi Chong
Bearing, the thrust wheel body and the left end cap and the thrust wheel body and the right side are housed between wheel body and the wheel shaft
It is respectively equipped with muddy water oil sealing between end cap, further includes the bearing pre-tightened mechanism for adjusting the bearing rigidity.Although it is arranged
Have sealing structure, but be still difficult to prevent the entrance of mud, dust, muddy water, however it remains certain failure rate and maintenance
Rate.
Utility model content
A kind of the technical problem to be solved by the present invention is to provide sealing effects dredger good, with long service life
Thrust wheel.
A kind of to achieve the above purpose, the technical solution of the present invention is: dredger thrust wheel, including shaft,
Wheel body in shaft, the side cover for being located at wheel body two sides in shaft, the side cover are equipped with side cover step, the wheel body
It is equipped with the wheel body step that labyrinth seal is formed with side cover step, the inside that side cover step is located on the side cover is equipped with side cover sky
Chamber, the inside that wheel body step is located on the wheel body are equipped with wheel body cavity, and the side cover cavity and wheel body cavity combinations form one
Seal chamber, the side cover cavity is interior to be equipped with side cover O-ring seal, and wheel body O-ring seal is equipped in the wheel body cavity, described close
The intracavitary side cover float grease seal for being equipped with compacting side cover O-ring seal is sealed, compacting wheel body O-ring seal is equipped in the seal chamber
Wheel body float grease seal, the side cover float grease seal and wheel body float grease seal are abutted each other and are symmetrical arranged along against position.
Preferably, the side cover float grease seal is equipped with the side cover fastening part for holding side cover O-ring seal.
Preferably, the wheel body float grease seal is equipped with the wheel body fastening part for holding wheel body O-ring seal.
Preferably, the wheel is equipped with an oiling chamber in vivo, and the oiling chamber is connected to by connecting cavity with seal chamber.
Preferably, bearing shell is equipped between the wheel body and shaft, side cover.
Above-mentioned technical proposal has the following beneficial effects: the utility model thrust wheel of digging machine on the basis of original conventional thrust wheel
On improve the Seal Design cooperated between wheel body and side cover, increase labyrinth seal structure, and cooperate the O-shaped sealing of side cover
The setting of circle, wheel body O-ring seal, side cover float grease seal, wheel body float grease seal immerses floating to reduce silt under operating condition
The situation of oil sealing room promotes thrust wheel installation service life conducive to the sealing life for extending float grease seal.In addition, passing through oiling
The setting of chamber, and oiling chamber is connected to seal chamber by connecting cavity and can be lubricated with effective guarantee.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
Shown in Fig. 1, the present embodiment provides a kind of dredger thrust wheels, including shaft 1, the wheel body in shaft 1
2, it is located at the side cover 3 of 2 two sides of wheel body in shaft 1, bearing shell 4 is equipped between the wheel body 2 and shaft 1, side cover 3.The side
Lid 3 is equipped with side cover step 31, and the wheel body 2 is equipped with the wheel body step 21 that labyrinth seal is formed with side cover step 31, described
It is equipped with side cover cavity 32 positioned at the inside of side cover step 31 on side cover 3, the inside that wheel body step 21 is located on the wheel body 2 is equipped with
Wheel body cavity 22, the side cover cavity 32 is combined with wheel body cavity 22 forms a seal chamber, is equipped with side in the side cover cavity 32
Lid O-ring seal 33, the wheel body cavity 22 is interior to be equipped with wheel body O-ring seal 23, and it is O-shaped that compacting side cover is equipped in the seal chamber
The side cover float grease seal 34 of sealing ring 33, the interior wheel body float grease seal 24 for being equipped with compacting wheel body O-ring seal 23 of the seal chamber,
The side cover float grease seal 34 is abutted each other with wheel body float grease seal 24 and is symmetrical arranged along against position.The side cover floats oily
Envelope 34 is equipped with the side cover fastening part 341 for holding side cover O-ring seal 33.The wheel body float grease seal 24, which is equipped with, is used for holding
The wheel body fastening part 241 of wheel body O-ring seal 23.It is equipped with an oiling chamber 25 in the wheel body 2, the oiling chamber 25 passes through connection
Chamber 26 is connected to seal chamber.The shaft 1 is equipped with the sealing ring 11 that sealing is realized with side cover 3.
The utility model thrust wheel of digging machine improves on the basis of original conventional thrust wheel to be cooperated between wheel body and side cover
Seal Design increases labyrinth seal structure, and cooperate side cover O-ring seal, wheel body O-ring seal, side cover float grease seal,
The setting of wheel body float grease seal is conducive to extend float grease seal to reduce the situation that silt under operating condition immerses float grease seal room
Sealing life, promoted thrust wheel install service life.In addition, by the setting of oiling chamber, and oiling chamber by connecting cavity with
Seal chamber connection can be lubricated with effective guarantee.
The above is only one preferred embodiments of the utility model, and those skilled in the art is made equivalent by claim
Change the protection scope for both falling within this case.
Claims (5)
1. a kind of dredger thrust wheel including shaft, the wheel body in shaft, is located at wheel body two sides in shaft
Side cover, it is characterised in that: the side cover is equipped with side cover step, and the wheel body, which is equipped with, forms labyrinth seal with side cover step
Wheel body step, the inside that side cover step is located on the side cover are equipped with side cover cavity, are located at the interior of wheel body step on the wheel body
Side is equipped with wheel body cavity, and the side cover cavity and wheel body cavity combinations form a seal chamber, are equipped with side cover O in the side cover cavity
Type sealing ring, the wheel body cavity is interior to be equipped with wheel body O-ring seal, and compacting side cover O-ring seal is equipped in the seal chamber
Side cover float grease seal, the interior wheel body float grease seal for being equipped with compacting wheel body O-ring seal of the seal chamber, the side cover float grease seal
It abuts each other with wheel body float grease seal and is symmetrical arranged along against position.
2. a kind of dredger thrust wheel according to claim 1, it is characterised in that: the side cover float grease seal is equipped with
Side cover fastening part for holding side cover O-ring seal.
3. a kind of dredger thrust wheel according to claim 1, it is characterised in that: the wheel body float grease seal is equipped with
Wheel body fastening part for holding wheel body O-ring seal.
4. a kind of dredger thrust wheel according to claim 1 or 2 or 3, it is characterised in that: the wheel is equipped in vivo
One oiling chamber, the oiling chamber are connected to by connecting cavity with seal chamber.
5. a kind of dredger thrust wheel according to claim 1 or 2 or 3, it is characterised in that: the wheel body with turn
Bearing shell is equipped between axis, side cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820979394.3U CN208325444U (en) | 2018-06-25 | 2018-06-25 | A kind of dredger thrust wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820979394.3U CN208325444U (en) | 2018-06-25 | 2018-06-25 | A kind of dredger thrust wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208325444U true CN208325444U (en) | 2019-01-04 |
Family
ID=64768578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820979394.3U Expired - Fee Related CN208325444U (en) | 2018-06-25 | 2018-06-25 | A kind of dredger thrust wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208325444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023132168A1 (en) * | 2022-01-06 | 2023-07-13 | コベルコ建機株式会社 | Lower traveling body for construction machine |
-
2018
- 2018-06-25 CN CN201820979394.3U patent/CN208325444U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023132168A1 (en) * | 2022-01-06 | 2023-07-13 | コベルコ建機株式会社 | Lower traveling body for construction machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |