CN208201976U - A kind of pin bush of project excavator track - Google Patents
A kind of pin bush of project excavator track Download PDFInfo
- Publication number
- CN208201976U CN208201976U CN201820402517.7U CN201820402517U CN208201976U CN 208201976 U CN208201976 U CN 208201976U CN 201820402517 U CN201820402517 U CN 201820402517U CN 208201976 U CN208201976 U CN 208201976U
- Authority
- CN
- China
- Prior art keywords
- connector sleeve
- connecting hole
- project
- annular connecting
- stub
- 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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Abstract
The utility model discloses a kind of pin bush of project excavator track, including stub set, first connector sleeve and the second connector sleeve, the both ends of the stub set are respectively equipped with first annular connecting hole and the second annular connecting hole, and the both ends of stub set are detachably equipped with the first connector sleeve and the second connector sleeve respectively, center position inside the stub set is equipped with pin hole, and the interior annular of stub set is equipped with lubricating cavity, and oil pathway is uniformly connected between lubricating cavity and pin hole, one end of the lubricating cavity is fixedly connected with filling channel, and filling channel extends to stub far from one end of lubricating cavity and covers the outside of one end and be fixedly connected fluted.The utility model detachably installs the first connector sleeve and the second connector sleeve composition guide ontology by the way that the both ends of stub set are arranged in, so that stub set, the first connector sleeve or the second connector sleeve can be individually replaced in damage, reduction use cost.
Description
Technical field
The utility model relates to excavator technical field, specially a kind of pin bush of project excavator track.
Background technique
Pin bush of project excavator track is hollow shaft structure in the prior art, and due to excavator own wt, when work is held
Carry that power is big and excavator tooling reason, it is big to the extruding force at crawler of excavator guide both ends when excavator works, make guide
Both ends are easily deformable, to the pin-shaped in guide at frictional resistance, influence the working efficiency of excavator, shorten the use of excavator
Service life cooperates further, since structure limits between guide inner hole and pin shaft for small―gap suture, oil reserve between the two is limited, easily
The phenomenon that generating insufficient lubrication, can accelerate the abrasion between pin shaft and guide.
Utility model content
The purpose of this utility model is to provide a kind of pin bush of project excavator track, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of pin bush of project excavator track, including
The both ends of stub set, the first connector sleeve and the second connector sleeve, the stub set are respectively equipped with first annular connecting hole and the second ring
Shape connecting hole, and the both ends of stub set are detachably equipped with the first connector sleeve and the second connector sleeve respectively, the first connector sleeve and the
The connector sleeve to match with first annular connecting hole and the second annular connecting hole, first connection are all fixed on two connector sleeves
The inside of set and the second connector sleeve is all equipped with inner sleeve, and is all fixed with reset on the inner sidewall of the first connector sleeve and the second connector sleeve
Spring, and the one end of reset spring far from the first connector sleeve and the second connector sleeve is all fixedly connected with inner sleeve lateral wall, the master
Center position inside guide is equipped with pin hole, and the interior annular of stub set is equipped with lubricating cavity, and lubricating cavity and pin hole
Between be uniformly connected with oil pathway, one end of the lubricating cavity is fixedly connected with filling channel, and fills channel far from lubrication
One end of chamber extends to stub and covers the outside of one end and be fixedly connected fluted.
Preferably, external screw thread, and first annular connecting hole and the second annular connection are uniformly provided on the outside of the connector sleeve
The internal screw thread to match with connector sleeve external screw thread is all equipped on the inner sidewall in hole.
Preferably, the inside of the groove is detachably equipped with the plug to match with filling channel.
Preferably, uniformly fixation is supported by reinforcing rib for the inside of the lubricating cavity.
Preferably, supporting surface is symmetrically arranged on the lateral wall of first connector sleeve and the second connector sleeve.
Compared with prior art, the utility model has the beneficial effects that the pin bush of project excavator track, by stub
The interior annular of set is equipped with lubricating cavity, can make have larger oil storage space between guide pin shaft, and in lubricating cavity and pin hole
Between be uniformly connected with oil pathway, guarantee that lubricant effect is good, and can avoid being in contact with pin shaft deformation maximum, reduce and grind
Speed is damaged, guide wear-out life and intensity are extended, to extend the lubrication crawler belt service life, reduce crawler belt internal power consumption, is passed through
It is all equipped with inner sleeve in the inside of the first connector sleeve and the second connector sleeve, and between the first connector sleeve, the second connector sleeve and inner sleeve
It is fixedly connected with reset spring to reduce when excavator works to the extruding force sold in guide, so that reducing friction resistance, is improved
The working efficiency of engineering excavation machine extends the service life of engineering excavation machine, and the utility model is by being arranged in stub set
Both ends the first connector sleeve and the second connector sleeve are detachably installed constitute guide ontology so that stub set, the first connector sleeve or the
Two connector sleeves can be individually replaced in damage, reduce use cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the partial structural diagram of the utility model；
Fig. 3 is the connecting jacket structure schematic diagram of the utility model.
In figure: 1, connector sleeve；2, the first connector sleeve；3, first annular connecting hole；4, reinforcing rib；5, stub set；6, it lubricates
Chamber；7, pin hole；8, oil pathway；9, the second connector sleeve；10, reset spring；11, inner sleeve；12, the second annular connecting hole；13, recessed
Slot；14, plug；15, channel is filled.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of embodiment provided by the utility model: a kind of pin bush of project excavator track, including master
Guide 5, the first connector sleeve 2 and the second connector sleeve 9, the both ends of stub set 5 are respectively equipped with first annular connecting hole 3 and the second annular
Connecting hole 12, and the both ends of stub set 5 are detachably equipped with the first connector sleeve 2 and the second connector sleeve 9, the first connector sleeve 2 respectively
With supporting surface is symmetrically arranged on the lateral wall of the second connector sleeve 9, be all fixed on the first connector sleeve 2 and the second connector sleeve 9 and the
The connector sleeve 1 that one annular connecting hole 3 and the second annular connecting hole 12 match, the outside of connector sleeve 1 are uniformly provided with external screw thread, and
The interior spiral shell to match with 1 external screw thread of connector sleeve is all equipped on the inner sidewall of first annular connecting hole 3 and the second annular connecting hole 12
The inside of line, the first connector sleeve 2 and the second connector sleeve 9 is all equipped with inner sleeve 11, and the first connector sleeve 2 and the second connector sleeve 9 is interior
All be fixed with reset spring 10 on side wall, and the one end of reset spring 10 far from the first connector sleeve 2 and the second connector sleeve 9 all with it is interior
It covers 11 lateral walls to be fixedly connected, the center position inside stub set 5 is equipped with pin hole 7, and the interior annular of stub set 5 is set
There is lubricating cavity 6, uniformly fixation is supported by reinforcing rib 4 for the inside of lubricating cavity 6, and is uniformly connected with cunning between lubricating cavity 6 and pin hole 7
Oily channel 8, one end of lubricating cavity 6 are fixedly connected with filling channel 15, and fill channel 15 and extend to far from one end of lubricating cavity 6
Stub covers the outside of 5 one end and is fixedly connected with fluted 13, and the inside of groove 13 is detachably equipped with and fills 15 phase of channel
The plug 14 matched.
Working principle: in use, the first connector sleeve 2 and the second connector sleeve 9 are separately fixed to the both ends of stub set 5, the
Reset spring 10 is fixedly connected between one connector sleeve 2, the second connector sleeve 9 and inner sleeve 11 to reduce when excavator works to guide
The extruding force of middle pin extends making for engineering excavation machine so that reducing friction resistance, improves the working efficiency of engineering excavation machine
Use cost is reduced in addition, stub covers the 5, first connector sleeve 2 or the second connector sleeve 9 can be individually replaced in damage with the service life,
In use process, 6 inside grease up of lubricating cavity is uniformly connected with the work of oil pathway 8 between lubricating cavity 6 and pin hole 7
Under, guarantee that lubricant effect is good, and can avoid being in contact with pin shaft deformation maximum, reduces the rate of wear, extend guide mill
Service life and intensity are damaged, to extend the lubrication crawler belt service life, reduce crawler belt internal power consumption.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of pin bush of project excavator track, including stub set (5), the first connector sleeve (2) and the second connector sleeve (9), special
Sign is: the both ends of the stub set (5) are respectively equipped with first annular connecting hole (3) and the second annular connecting hole (12), and main
The both ends of guide (5) are detachably equipped with the first connector sleeve (2) and the second connector sleeve (9), the first connector sleeve (2) and second respectively
The connector sleeve (1) to match with first annular connecting hole (3) and the second annular connecting hole (12) is all fixed on connector sleeve (9),
The inside of first connector sleeve (2) and the second connector sleeve (9) is all equipped with inner sleeve (11), and the first connector sleeve (2) and second connects
It is all fixed on the inner sidewall of female connector (9) reset spring (10), and reset spring (10) connects far from the first connector sleeve (2) and second
One end of female connector (9) is all fixedly connected with inner sleeve (11) lateral wall, and the internal center position of the stub set (5) is equipped with pin hole
(7), and the interior annular of stub set (5) is equipped with lubricating cavity (6), and is uniformly connected between lubricating cavity (6) and pin hole (7)
Oil pathway (8), one end of the lubricating cavity (6) are fixedly connected with filling channel (15), and fill channel (15) far from lubrication
One end of chamber (6) extends to the outside of stub set (5) one end and is fixedly connected with fluted (13).
2. a kind of pin bush of project excavator track according to claim 1, it is characterised in that: outside the connector sleeve (1)
Side is uniformly provided with external screw thread, and is all equipped with and connects on first annular connecting hole (3) and the inner sidewall of the second annular connecting hole (12)
The internal screw thread that female connector (1) external screw thread matches.
3. a kind of pin bush of project excavator track according to claim 1, it is characterised in that: the inside of the groove (13)
The plug (14) to match with filling channel (15) is detachably installed.
4. a kind of pin bush of project excavator track according to claim 1, it is characterised in that: the lubricating cavity (6) it is interior
Uniformly fixation is supported by reinforcing rib (4) in portion.
5. a kind of pin bush of project excavator track according to claim 1, it is characterised in that: first connector sleeve (2)
Supporting surface is symmetrically arranged with on the lateral wall of the second connector sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820402517.7U CN208201976U (en) | 2018-03-23 | 2018-03-23 | A kind of pin bush of project excavator track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820402517.7U CN208201976U (en) | 2018-03-23 | 2018-03-23 | A kind of pin bush of project excavator track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208201976U true CN208201976U (en) | 2018-12-07 |
Family
ID=64528614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820402517.7U Expired - Fee Related CN208201976U (en) | 2018-03-23 | 2018-03-23 | A kind of pin bush of project excavator track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208201976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791962A (en) * | 2020-07-08 | 2020-10-20 | 茂名市粤达通工程有限公司 | Track guard shield for crawler excavator |
-
2018
- 2018-03-23 CN CN201820402517.7U patent/CN208201976U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791962A (en) * | 2020-07-08 | 2020-10-20 | 茂名市粤达通工程有限公司 | Track guard shield for crawler excavator |
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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: 20181207 Termination date: 20200323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |