CN218509983U - Excavator rotating shaft sleeve with reinforcing structure - Google Patents
Excavator rotating shaft sleeve with reinforcing structure Download PDFInfo
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- CN218509983U CN218509983U CN202222924663.5U CN202222924663U CN218509983U CN 218509983 U CN218509983 U CN 218509983U CN 202222924663 U CN202222924663 U CN 202222924663U CN 218509983 U CN218509983 U CN 218509983U
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- copper sheathing
- inside lining
- seted
- lining copper
- oil
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Abstract
The utility model discloses an excavator rotating shaft sleeve with reinforced structure, including outer lag, the inner chamber interference fit of outer lag is connected with inside lining copper sheathing, the dashpot has all been seted up at the inside both ends of inside lining copper sheathing, a plurality of arc of the inner chamber equidistance fixedly connected with of dashpot strengthens the frame, two adjacent arcs strengthen the frame and pass through connecting rod fixed connection, the middle part fixedly connected with bracing piece of connecting rod, a plurality of oiling grooves that are cyclic annular and distribute are seted up to the middle part equidistance of inside lining copper sheathing surface, the oil storage tank has been seted up at the middle part of inside lining copper sheathing inner wall, a plurality of branch oil grooves have been seted up to the inner wall equidistance of inside lining copper sheathing, the middle part on outer lag surface is seted up flutedly, a plurality of oil feed tanks have been seted up to the surface equidistance of recess, the utility model relates to an excavator rotating shaft sleeve with reinforced structure, reduces the frictional force of inside lining copper sheathing and connecting piece, increases the wear resistance of inside lining copper sheathing, consolidates the inside lining copper sheathing, prolongs the life of work piece.
Description
Technical Field
The utility model relates to a rotatory axle sleeve technical field specifically is an excavator rotatory axle sleeve with reinforced structure.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Typically, the sleeve is an interference fit with the bearing seat and a clearance fit with the shaft. The shaft sleeve is arranged at the connecting part of the big arm and the small arm of the excavator and the bucket, so that abrasion caused by direct contact of a pin shaft (bucket shaft) and a vehicle body can be avoided, and meanwhile, friction, vibration and noise can be effectively reduced; and the corrosion resistance of the mounting holes of the large arm, the small arm and the bucket and the pin shaft (bucket shaft) can be improved.
The existing shaft sleeve is poor in wear resistance and not ideal in structural strength, when the shaft sleeve is installed at the joint of the large arm, the small arm and the bucket of the excavator, the shaft sleeve can rotate along with the rotation of the bucket, and the inner bushing can be worn to cause the damage of the shaft sleeve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an excavator rotation shaft sleeve with reinforced structure to the current axle sleeve wearability who proposes in solving above-mentioned background art is poor, and structural strength is also not ideal, and the axle sleeve is installed when excavator arm and scraper bowl junction, can rotate along with the rotation of scraper bowl, and the neck bush can take place wearing and tearing this moment, leads to the problem of the damage of axle sleeve.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an excavator rotating shaft sleeve with reinforced structure, includes outer lag, the inner chamber interference fit of outer lag is connected with inside lining copper sheathing, the dashpot has all been seted up at the inside both ends of inside lining copper sheathing, a plurality of arc of the inner chamber equidistance fixedly connected with of dashpot strengthen the frame, adjacent two the arc is strengthened the frame and is passed through connecting rod fixed connection, the middle part fixedly connected with bracing piece of connecting rod, a plurality of oiling grooves that are cyclic annular and distribute are seted up to the middle part equidistance on inside lining copper sheathing surface, the oil storage tank has been seted up at the middle part of inside lining copper sheathing inner wall, a plurality of branch oil grooves have been seted up to the inner wall equidistance of inside lining copper sheathing, a plurality of oil feed tanks have been seted up at the middle part on outer lag surface, a plurality of oil feed tanks have been seted up to the surperficial equidistance in recess.
Use an excavator rotation shaft sleeve with reinforced structure of this technical scheme, outside lubricating oil enters into the inner chamber of oiling groove through the oil feed tank, then concentrate the inner chamber that gathers the oiling groove, disperse again through dividing the oil groove, make the surface of dispersion at inside lining copper sheathing inner wall that lubricating oil can be even, reduce the frictional force of inside lining copper sheathing and connecting piece, increase the wear resistance of inside lining copper sheathing, and the both ends of inside lining copper sheathing all are provided with a plurality of arc strengthening frames, the atress to inside lining copper sheathing inner wall disperses, then the combination of rethread connecting rod and bracing piece, connect into a whole with a plurality of arc strengthening frames, strengthen the structure of inside lining copper sheathing, consolidate the inside lining copper sheathing, the life of extension work piece.
Preferably, the top and the bottom of arc reinforcement frame respectively with the top and the bottom fixed connection of dashpot inner wall, support the buffering to the top and the bottom of dashpot, increase the structure of inside lining copper sheathing.
Preferably, the inner cavity of the oil filling groove is fixedly connected with a guide plate, and the middle part of the guide plate is provided with an oil guide hole for guiding the lubricating oil in the oil filling groove to flow into the oil storage groove.
Preferably, arc chamfers are arranged at two ends of the oil injection groove, so that the flatness of the inner wall of the lining copper sleeve is guaranteed.
Preferably, one end of the outer protective sleeve is fixedly connected with a connecting flange for connecting external components.
Preferably, divide oil groove and the vertical setting of oil storage tank, oiling groove, oil storage tank and branch oil groove communicate each other, make lubricating oil evenly distributed to the inner wall of inside lining copper sheathing, reduce friction.
Compared with the prior art, the beneficial effects of the utility model are that:
outside lubricating oil enters into the inner chamber in oiling groove through the oil feed tank, then concentrate the inner chamber to the oil storage tank that gathers, disperse again through dividing the oil groove, make the dispersion that lubricating oil can be even on the surface of inside lining copper sheathing inner wall, reduce the frictional force of inside lining copper sheathing and connecting piece, increase the wear resistance of inside lining copper sheathing, and the both ends of inside lining copper sheathing all are provided with a plurality of arc strengthening frames, disperse the atress to inside lining copper sheathing inner wall, then the combination of rethread connecting rod and bracing piece, connect into a whole with a plurality of arc strengthening frames, strengthen the structure of inside lining copper sheathing, consolidate the inside lining copper sheathing, the life of extension work piece.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the two ends of the inner sleeve of the present invention;
FIG. 3 is a cross-sectional view of the middle portion of the inner sleeve according to the present invention;
fig. 4 is an enlarged view of the part a of the present invention.
In the figure: 1. an outer protective sleeve; 2. lining with a copper sleeve; 3. a buffer tank; 4. an arc-shaped reinforcing frame; 5. a connecting rod; 6. a support bar; 7. an oil injection groove; 8. an oil storage tank; 9. an oil distributing groove; 10. a groove; 11. an oil inlet groove; 12. arc chamfering; 13. a connecting flange; 14. a baffle; 15. oil guide hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-4, the utility model provides an excavator rotating shaft sleeve with reinforced structure, including outer lag 1, the inner chamber interference fit of outer lag 1 is connected with inside lining copper sheathing 2, dashpot 3 has all been seted up at the inside both ends of inside lining copper sheathing 2, a plurality of arc stiffeners 4 of the inner chamber equidistance fixedly connected with of dashpot 3, two adjacent arc stiffeners 4 are through connecting rod 5 fixed connection, the middle part fixedly connected with bracing piece 6 of connecting rod 5, a plurality of oiling grooves 7 that are the annular distribution are seted up to the middle part equidistance on inside lining copper sheathing 2 surface, oil storage tank 8 has been seted up at the middle part of inside lining copper sheathing 2 inner wall, a plurality of oil distribution grooves 9 have been seted up to the inner wall equidistance of inside lining copper sheathing 2, the middle part on outer lag 1 surface is seted up flutedly 10, a plurality of oil feed tanks 11 have been seted up to the surface equidistance of recess 10.
During the use, outside lubricating oil enters into the inner chamber of oiling groove 7 through oil feed tank 11, then concentrate the inner chamber of gathering oil storage tank 8, disperse through dividing oil groove 9 again, make the surface at 2 inner walls of lining copper sheathing of dispersion that lubricating oil can be even, reduce the frictional force of lining copper sheathing 2 and connecting piece, increase the wear resistance of inside lining copper sheathing 2, and the both ends of inside lining copper sheathing 2 all are provided with a plurality of arc reinforcement frame 4, disperse the atress to 2 inner walls of lining copper sheathing, then through the combination of connecting rod 5 and bracing piece 6, connect into a whole with a plurality of arc reinforcement frame 4, strengthen the structure of inside lining copper sheathing 2, consolidate inside lining copper sheathing 2, prolong the life of work piece.
The top and the bottom of the arc-shaped reinforcing frame 4 are fixedly connected with the top and the bottom of the inner wall of the buffer tank 3 respectively.
During the use, the atress of lining copper sheathing 2 inner wall is dispersed through arc reinforcing frame 4, strengthens lining copper sheathing 2's structure.
The inner cavity of the oil injection groove 7 is fixedly connected with a guide plate 14, and the middle part of the guide plate 14 is provided with an oil guide hole 15.
When in use, the guide plate 14 guides the oil in the cavity of the oil filling tank 7 into the oil storage tank 8.
When the inner liner copper sleeve 2 is used, the two ends of the oil injection groove 7 are flattened by the arc-shaped chamfer angles 12, and the flatness of the inner wall of the inner liner copper sleeve 2 is increased.
One end of the outer protective sleeve 1 is fixedly connected with a connecting flange 13.
In use, the attachment flange 13 is used for attachment of external components.
When specifically using, the axle sleeve is rotatory, outside lubricating oil enters into the inner chamber of oiling groove 7 through oil feed tank 11, then concentrate and gather the inner chamber of oiling groove 8, disperse through dividing oil groove 9 again, make the surface at 2 inner walls of lining copper sheathing of dispersion that lubricating oil can be even, reduce the frictional force of lining copper sheathing 2 and connecting piece, increase the wear resistance of lining copper sheathing 2, and the both ends of lining copper sheathing 2 all are provided with a plurality of arc reinforcement frame 4, disperse the atress to 2 inner walls of lining copper sheathing, then through the combination of connecting rod 5 and bracing piece 6, connect into a whole with a plurality of arc reinforcement frame 4, strengthen the structure of lining copper sheathing 2, consolidate lining copper sheathing 2, prolong the life of work piece.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an excavator rotation shaft sleeve with reinforced structure, includes outer lag (1), its characterized in that: inner chamber interference fit of outer lag (1) is connected with inside lining copper sheathing (2), dashpot (3) have all been seted up at the inside both ends of inside lining copper sheathing (2), a plurality of arc of the inner chamber equidistance fixedly connected with of dashpot (3) are strengthened frame (4), adjacent two arc is strengthened frame (4) and is passed through connecting rod (5) fixed connection, middle part fixedly connected with bracing piece (6) of connecting rod (5), a plurality of oiling grooves (7) that are the annular distribution are seted up to the middle part equidistance on inside lining copper sheathing (2) surface, oil storage tank (8) have been seted up at the middle part of inside lining copper sheathing (2) inner wall, a plurality of branch oil grooves (9) have been seted up to the inner wall equidistance of inside lining copper sheathing (2), the middle part on outer lag (1) surface is seted up flutedly (10), a plurality of oil feed tank (11) have been seted up to the surface equidistance of recess (10).
2. The excavator rotating shaft sleeve with the reinforcing structure as claimed in claim 1, wherein: the top and the bottom of the arc-shaped reinforcing frame (4) are fixedly connected with the top and the bottom of the inner wall of the buffer tank (3) respectively.
3. The excavator rotating shaft sleeve with the reinforcing structure as claimed in claim 1, wherein: the inner cavity of the oil injection groove (7) is fixedly connected with a guide plate (14), and an oil guide hole (15) is formed in the middle of the guide plate (14).
4. The excavator rotating shaft sleeve with the reinforcing structure as claimed in claim 1, wherein: arc chamfers (12) are arranged at two ends of the oil injection groove (7).
5. The excavator rotating shaft sleeve with the reinforcing structure as claimed in claim 1, wherein: one end of the outer protective sleeve (1) is fixedly connected with a connecting flange (13).
6. The excavator rotating shaft sleeve with the reinforcing structure as claimed in claim 1, wherein: divide oil groove (9) and oil storage tank (8) vertical setting, oiling groove (7), oil storage tank (8) and divide oil groove (9) to communicate each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222924663.5U CN218509983U (en) | 2022-11-03 | 2022-11-03 | Excavator rotating shaft sleeve with reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222924663.5U CN218509983U (en) | 2022-11-03 | 2022-11-03 | Excavator rotating shaft sleeve with reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218509983U true CN218509983U (en) | 2023-02-21 |
Family
ID=85219624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222924663.5U Active CN218509983U (en) | 2022-11-03 | 2022-11-03 | Excavator rotating shaft sleeve with reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218509983U (en) |
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2022
- 2022-11-03 CN CN202222924663.5U patent/CN218509983U/en active Active
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