CN205737771U - A kind of excavator thrust wheel - Google Patents
A kind of excavator thrust wheel Download PDFInfo
- Publication number
- CN205737771U CN205737771U CN201620614786.0U CN201620614786U CN205737771U CN 205737771 U CN205737771 U CN 205737771U CN 201620614786 U CN201620614786 U CN 201620614786U CN 205737771 U CN205737771 U CN 205737771U
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- China
- Prior art keywords
- thrust wheel
- wheel body
- sealing ring
- sealing
- runddichtringo
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Abstract
The utility model discloses a kind of excavator thrust wheel, including thrust wheel body, wheel shaft and float grease seal, thrust wheel body is installed on wheel shaft by axle sleeve, thrust wheel body is respectively provided on two sides with end cap, float grease seal includes the O RunddichtringO that a floating sealing base and is located in floating sealing base, it is provided with a sealing ring between oneth O RunddichtringO and thrust wheel body and axle sleeve, between sealing ring and an O RunddichtringO, tight fit forms sealing surface, thrust wheel body is provided with the floating sealing groove suitable with sealing ring, and sealing ring is located in floating sealing groove.By arranging sealing ring, and between an O RunddichtringO, tight fit, to form sealing surface, the most effectively achieves sealing effectiveness, and simplify the structure of floating sealing groove, decrease process time, reduce the size of floating sealing groove, improve intensity and the service life of thrust wheel body；Additionally, decrease the use to O RunddichtringO, save material, reduce cost, conscientiously meet the demand of actual application.
Description
Technical field
This utility model relates to mechanical engineering technical field, is specifically related to a kind of excavator thrust wheel.
Background technology
Thrust wheel is one of vitals of crawler-mounted excavator walking and support system, it is generally the case that thrust wheel is
Bearing the carrier of overall machinery weight, therefore technology requires higher.As it is shown in figure 1, existing thrust wheel is typically by thrust wheel body
1 ', the associated components such as wheel shaft 2 ', axle sleeve 3 ', sealing ring 4 ', float grease seal 5 ', end cap 6 ', straight pin 7 ' is constituted, thrust wheel body 1 '
It is installed on wheel shaft 2 ' by axle sleeve 3 ', thrust wheel body 1 ' is offered floating sealing groove, the side of float grease seal 5 ' is assemblied in floating
In sealing groove, and arranging corresponding end cap 6 ' between float grease seal 5 ' opposite side and wheel shaft 2 ', end cap 6 ' is solid by straight pin 7 '
On wheel shaft 2 ', and sealed by sealing ring 4 ', it is seen that float grease seal 5 ' includes seal receptacle and is located in seal receptacle
Two O, between two O formed sealing surface realize sealing effectiveness.It can thus be appreciated that the shape of floating sealing groove needs with floating
The shape of dynamic oil sealing 5 ' is suitable, and not only structure is complicated, long processing time, and the size of floating sealing groove is relatively big, reduces thrust wheel
The intensity of body 1 ', decreases the service life of thrust wheel body 1 '.Additionally, this axle sleeve 3 ' generally uses flange profile shaft set, make work
Sequence is loaded down with trivial details, intensity is low, fails conscientiously to meet the demand of reality application.
Utility model content
This utility model provides a kind of excavator thrust wheel, multiple to solve floating sealing groove structure present in prior art
Miscellaneous, long processing time, the problem that thrust wheel body intensity is low, service life is short and axle sleeve manufacturing process is loaded down with trivial details, intensity is low.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of excavator thrust wheel, including propping up
Roller body, wheel shaft and float grease seal, described thrust wheel body is installed on described wheel shaft by axle sleeve, and thrust wheel body both sides set respectively
End cap, described float grease seal is had to include the O RunddichtringO that a floating sealing base and is located in described floating sealing base, a described O
A sealing ring, described sealing ring and a described O RunddichtringO it is provided with between RunddichtringO and described thrust wheel body and axle sleeve
Between tight fit formed sealing surface, described thrust wheel body is provided with the floating sealing groove suitable with described sealing ring, described sealing ring
It is located in described floating sealing groove.
Further, described axle sleeve includes straight barrel type body and is located at described straight barrel type body near described float grease seal one
The chimb of side, the upper surface of described chimb maintains an equal level with the bottom surface of described float grease seal, and described sealing ring is located on described chimb.
Further, described chimb is welded and fixed with described straight barrel type body.
Further, described end cap offsets with described chimb with the inner side of described wheel shaft contact site.
Further, described sealing ring and described floating sealing groove interference fit.
Further, fixed by straight pin between end cap and the described wheel shaft of described thrust wheel body wherein side.
Further, fixed by steel pin between end cap and the described wheel shaft of described thrust wheel body opposite side.
Further, described thrust wheel body upper surface is provided with oil filler point.
This utility model provides a kind of excavator thrust wheel, including thrust wheel body, wheel shaft and float grease seal, and described
Roller body is installed on described wheel shaft by axle sleeve, and thrust wheel body is respectively provided on two sides with end cap, and described float grease seal includes that one floats
The O RunddichtringO that envelope seat and is located in described floating sealing base, a described O RunddichtringO and described thrust wheel body and axle
Being provided with a sealing ring between set, between described sealing ring and a described O RunddichtringO, tight fit forms sealing surface, described Zhi Chong
Wheel body is provided with the floating sealing groove suitable with described sealing ring, and described sealing ring is located in described floating sealing groove.By described
Between one O RunddichtringO and described thrust wheel body and axle sleeve, sealing ring is set, this sealing ring and a described O RunddichtringO it
Between tight fit to form sealing surface, the most effectively achieve sealing effectiveness, and eliminate in original float grease seal and be located at thrust wheel
Body floats the floating sealing base in sealing groove and an O RunddichtringO, simplifies the structure of floating sealing groove, decreases process time, reduces floating
The size of sealing groove, improves intensity and the service life of thrust wheel body；Additionally, use said structure to decrease O RunddichtringO
Use, save material, reduce cost, conscientiously meet the demand of actual application.
Accompanying drawing explanation
Fig. 1 is the structural representation of thrust wheel in prior art；
The structural representation of Fig. 2 this utility model excavator thrust wheel；
Fig. 3 is the structural representation of this utility model shrinkage pool and annular slide track.
Shown in Fig. 1: 1 ', thrust wheel body；2 ', wheel shaft；3 ', axle sleeve；4 ', sealing ring；5 ', float grease seal；6 ', end cap；
7 ', straight pin；
Shown in Fig. 2-3: 1, thrust wheel body；2, wheel shaft；3, float grease seal；31, floating sealing base；32, an O RunddichtringO；
33, sealing surface；4, end cap；41, shrinkage pool；42, annular slide track；43, coupling cock；5, sealing ring；6, straight pin；7, steel pin；
9, axle sleeve；91, straight barrel type body；92, chimb.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in detail:
As in figure 2 it is shown, this utility model provides a kind of excavator thrust wheel, including thrust wheel body 1, wheel shaft 2 and floating
Dynamic oil sealing 3, described thrust wheel body 1 is installed on described wheel shaft 2 by axle sleeve 9, and thrust wheel body 1 is respectively provided on two sides with end cap 4, institute
State float grease seal 3 and include that a floating sealing base 31 and is located at the O RunddichtringO 32 in described floating sealing base 31, a described O type
A sealing ring 5, described sealing ring 5 and a described O type it is provided with close between sealing ring 32 and described thrust wheel body 1 and axle sleeve 2
Between seal 32, tight fit forms sealing surface 33, and described thrust wheel body 1 is provided with the floating sealing groove suitable with described sealing ring 5,
Described sealing ring 5 is located in described floating sealing groove.Concrete, sealing ring 5 is set on axle sleeve 9, and the floating of thrust wheel body 1 is located in side
In sealing groove, opposite side and O RunddichtringO 32 tight fit form sealing surface 33, seal wheel shaft 2, use said structure
Eliminate and original float grease seal 3 is located at floating sealing base 31 and the O RunddichtringO 32 that thrust wheel body 1 floats in sealing groove, i.e. float
The structure of oil sealing 3 only has original half, and floating sealing groove only need to be suitable with the shape of sealing ring 5, simplifies the structure of floating sealing groove,
Decrease process time, substantially reduce the size of floating sealing groove simultaneously, improve intensity and the service life of thrust wheel body 1；This
Outward, use said structure to decrease the use to O RunddichtringO, save material, reduce cost.
Preferably, described axle sleeve 9 includes straight barrel type body 91 and is located at described straight barrel type body 91 near the described oil that floats
Sealing the chimb 92 of 3 sides, the upper surface of described chimb 92 maintains an equal level with the bottom surface of described float grease seal 3, and described sealing ring 5 is located at
On described chimb 92, i.e. sealing ring 5 is sheathed on the periphery of chimb 92, tight with the O RunddichtringO 32 in described float grease seal 3
Close fit forms sealing surface 33, seals wheel shaft 2.Preferably, described chimb 92 welds solid with described straight barrel type body 91
Fixed, intensity is high, improves anti-wear performance and impact resistance, extends the service life of axle sleeve 9.
Preferably, described end cap 4 offsets with described chimb 92 with the inner side of described wheel shaft 2 contact site, i.e. end cap 4 is sheathed
On wheel shaft 2, and the chimb 92 of inner side and axle sleeve 9 offsets, and can be seen that in comparison diagram 1,2, uses said structure to effectively reduce
The weight of end cap 4 and materials'use, reduce further cost.
Preferably, described sealing ring 5 and described floating sealing groove interference fit, improve sealing ring 5 assembling intensity and with
Cooperation compactness between oneth O RunddichtringO 32, improves sealing effectiveness and the reliability of sealing surface 3.
Preferably, fixed by straight pin 6 between end cap 4 and the described wheel shaft 2 of described thrust wheel body 1 wherein side, institute
State and fixed by steel pin 7 between end cap 4 and the described wheel shaft 2 of thrust wheel body 2 opposite side.In the present embodiment, left side end cap 4 with
Fixed by straight pin 6 between described wheel shaft 2, fixed by steel pin 7 between right side end cap 4 and wheel shaft 2.As it is shown on figure 3, it is right
Side end cap 4 is provided with the shrinkage pool 41 suitable with steel pin 7 and the annular slide track 42 being connected with shrinkage pool 41, and annular slide track 42 is with recessed
It is communicated with switching 43 between hole 41.As it is shown on figure 3, when location, first left side end cap 4 is led to corresponding one end of wheel shaft 2
Cross straight pin 6 to be fixed, then in annular slide track 42, carry out slip by steel pin 7 and realize right side end cap 4 and wheel
Relative angle and position between axle 2 are adjusted, and last steel pin 7 is stretched in shrinkage pool 41 by coupling cock 43 to reach right
Both carry out the most fixing purpose, it is not necessary to two ends position simultaneously, greatly reduce the difficulty of location.
Preferably, described thrust wheel body 1 upper surface offers oil filler point 8, when assembling thrust wheel, by this oil filler point 8
Carrying out oiling, it is not necessary to erected by thrust wheel body 1, the lubricating oil simultaneously filled can expand to the both sides of thrust wheel body 1 simultaneously
Dissipating, the distribution making lubricating oil is more uniform, improves the serviceability of thrust wheel.
In sum, this utility model provides a kind of excavator thrust wheel, including thrust wheel body 1, wheel shaft 2 and floating
Oil sealing 3, described thrust wheel body 1 is installed on described wheel shaft 2 by axle sleeve 9, and thrust wheel body 1 is respectively provided on two sides with end cap 4, described
Float grease seal 3 includes that a floating sealing base 31 and is located at the O RunddichtringO 32 in described floating sealing base 31, and a described O type is close
It is provided with a sealing ring 4, described sealing ring 4 and a described O type between seal 32 and described thrust wheel body 1 and axle sleeve 9 to seal
Between circle 32, tight fit forms sealing surface 33, and described thrust wheel body 1 is provided with the floating sealing groove suitable with described sealing ring 5, institute
State sealing ring 5 to be located in described floating sealing groove.By a described O RunddichtringO 32 and described thrust wheel body 1 and axle sleeve 9 it
Between sealing ring 5 is set, between this sealing ring 5 and a described O RunddichtringO 32, tight fit is to form sealing surface 33, the most effectively
Achieve sealing effectiveness, and eliminate original float grease seal 3 is located at the floating sealing base 31 and an O that thrust wheel body 1 floats in sealing groove
RunddichtringO 32, simplifies the structure of floating sealing groove, decreases process time, reduces the size of floating sealing groove, improves thrust wheel
The intensity of body 1 and service life；Additionally, use said structure to decrease the use to O RunddichtringO, save material, reduce
Cost.Conscientiously the demand of actual application is met.
Although in description being illustrated embodiment of the present utility model, but these embodiments are intended only as carrying
Show, should not limit protection domain of the present utility model.Without departing from carrying out various omission in the range of this utility model objective, putting
Change and change should be included in protection domain of the present utility model.
Claims (8)
1. an excavator thrust wheel, including thrust wheel body, wheel shaft and float grease seal, described thrust wheel body is installed by axle sleeve
On described wheel shaft, thrust wheel body is respectively provided on two sides with end cap, it is characterised in that described float grease seal includes a floating sealing base and
The O RunddichtringO being located in described floating sealing base, sets between a described O RunddichtringO and described thrust wheel body and axle sleeve
Having a sealing ring, between described sealing ring and a described O RunddichtringO, tight fit forms sealing surface, and described thrust wheel body sets
Having the floating sealing groove suitable with described sealing ring, described sealing ring is located in described floating sealing groove.
Excavator thrust wheel the most according to claim 1, it is characterised in that described axle sleeve includes straight barrel type body and sets
Under the described straight barrel type body chimb near described float grease seal side, the upper surface of described chimb and described float grease seal
Bottom surface maintains an equal level, and described sealing ring is located on described chimb.
Excavator thrust wheel the most according to claim 2, it is characterised in that described chimb welds with described straight barrel type body
Connect fixing.
Excavator thrust wheel the most according to claim 2, it is characterised in that described end cap and described wheel shaft contact site
Inner side offset with described chimb.
Excavator thrust wheel the most according to claim 1, it is characterised in that described sealing ring and described floating sealing groove interference
Coordinate.
Excavator thrust wheel the most according to claim 1, it is characterised in that the end cap of described thrust wheel body wherein side
And fixed by straight pin between described wheel shaft.
Excavator thrust wheel the most according to claim 6, it is characterised in that the end cap of described thrust wheel body opposite side with
Fixed by steel pin between described wheel shaft.
Excavator thrust wheel the most according to claim 1, it is characterised in that described thrust wheel body upper surface is provided with oiling
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620614786.0U CN205737771U (en) | 2016-06-21 | 2016-06-21 | A kind of excavator thrust wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620614786.0U CN205737771U (en) | 2016-06-21 | 2016-06-21 | A kind of excavator thrust wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205737771U true CN205737771U (en) | 2016-11-30 |
Family
ID=57384467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620614786.0U Active CN205737771U (en) | 2016-06-21 | 2016-06-21 | A kind of excavator thrust wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205737771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745754A (en) * | 2017-11-09 | 2018-03-02 | 徐工集团工程机械有限公司 | High reliability wheel design and excavator |
-
2016
- 2016-06-21 CN CN201620614786.0U patent/CN205737771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745754A (en) * | 2017-11-09 | 2018-03-02 | 徐工集团工程机械有限公司 | High reliability wheel design and excavator |
| CN107745754B (en) * | 2017-11-09 | 2023-08-01 | 江苏徐工工程机械研究院有限公司 | High-reliability guide wheel structure and excavator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |