CN211778460U - Wear-resistant gear shaft for crane - Google Patents
Wear-resistant gear shaft for crane Download PDFInfo
- Publication number
- CN211778460U CN211778460U CN201922173016.3U CN201922173016U CN211778460U CN 211778460 U CN211778460 U CN 211778460U CN 201922173016 U CN201922173016 U CN 201922173016U CN 211778460 U CN211778460 U CN 211778460U
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- China
- Prior art keywords
- cylinder
- oil
- wear
- gear shaft
- spliced pole
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- Expired - Fee Related
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Abstract
The utility model discloses a wear-resistant gear shaft for a crane, which comprises a shaft body, a connecting column and an outer gear, wherein the surface of the shaft body is provided with a cylinder, the cylinder is positioned between the connecting column and the outer gear, the surface of the end part of the cylinder, which is close to the connecting column, is provided with fourteen semi-circular grooves and first oil holes, the surface of the cylinder, which is close to the outer gear, is provided with fourteen second oil holes, an oil cavity is arranged in the cylinder, and the surface of the cylinder is provided with a; the cylinder of design for the gear shaft can obtain comprehensive lubrication, and lubricating oil flows from first oilhole, the second oilhole of cylinder both sides again from the inflow of columniform third oilhole, makes the lubrication more even and abundant, has reduced the frictional force of axis body, has guaranteed gear shaft moving stability, through the first oilhole and the second oilhole of design, makes the lubrication more even, and the lubricating oil flows to the oil groove and does benefit to the storage of lubricating oil, reinforcing lubrication effect.
Description
Technical Field
The utility model belongs to the technical field of mechanical transmission part, concretely relates to wear-resisting gear shaft for crane.
Background
The gear shaft refers to a mechanical part which supports the rotating part and rotates together with the rotating part to transmit motion, torque or bending moment;
the existing gear shaft is easily contaminated by dust particle impurities to cause abrasion, so that the service life of the gear shaft is short, and the lubricating effect of the gear shaft is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting gear shaft for hoist to the gear shaft that proposes in solving above-mentioned background art is infected with dust particle impurity easily and takes place wearing and tearing, leads to gear shaft life shorter, the poor problem of gear shaft lubrication effect in addition.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting gear shaft for hoist, includes axis body, spliced pole, external gear, the surface of axis body is equipped with the cylinder, the cylinder is located between spliced pole, the external gear, the tip surface that the cylinder is close to the spliced pole is equipped with fourteen half slots and first oilhole, the surface that the cylinder is close to the external gear is equipped with fourteen second oilholes, be equipped with the oil pocket in the cylinder, the cylindrical surface is equipped with the plunger.
Preferably, a third oil hole is formed in the middle of the cylindrical surface, the third oil hole is communicated with the oil cavity, and one end of the plunger is matched with the third oil hole.
Preferably, one end of the plunger is connected with the cylinder in a screwing mode through threads, and the other end of the plunger is spherical.
Preferably, an annular groove is formed in the end portion, far away from the outer gear, of the cylinder, the semicircular grooves are circumferentially and uniformly distributed in the annular groove, the first oil holes are communicated with the oil cavity, and the first oil holes correspond to the semicircular grooves one to one.
Preferably, the second oil holes are communicated with the oil cavity, the second oil holes are circumferentially and uniformly distributed on the side surface of the cylinder, and fourteen second oil holes correspond to part of tooth grooves on the outer gear one by one.
Preferably, the surface of spliced pole is equipped with four oil grooves and keyway, the oil groove is close to cylindrical position, four oil groove circumference distributes in the outside of spliced pole.
Preferably, the outer sides of the shaft body and the connecting column are coated with wear-resistant layers made of boron carbide wear-resistant materials.
Compared with the prior art, the beneficial effects of the utility model are that:
the gear shaft can be completely lubricated by the designed cylinder, and lubricating oil flows in from the third oil hole of the cylinder and flows out from the first oil hole and the second oil hole on two sides of the cylinder, so that the lubrication is more uniform and sufficient, the friction force of the shaft body is reduced, and the running stability of the gear shaft is ensured;
the first oil hole and the second oil hole are designed, so that the lubrication is more uniform, the lubricating oil flows to the oil groove to be beneficial to the storage of the lubricating oil, and the lubricating effect is enhanced;
through the shaft body of design, the wearing layer of the boron carbide wear-resistant material of spliced pole outside coating, the wearing layer is wear-resisting effectual, has improved the wearability of gear shaft, long service life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the right side view of the cylinder of the present invention;
FIG. 3 is a schematic view of the left side of the cylinder of the present invention;
FIG. 4 is a schematic cross-sectional view of the cylinder of the present invention;
in the figure: 1. a shaft body; 2. connecting columns; 3. an outer gear; 4. a cylinder; 5. a plunger; 6. a semicircular groove; 7. an oil sump; 8. a first oil hole; 9. a second oil hole; 10. a third oil hole; 11. an oil chamber.
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.
Examples
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a wear-resisting gear shaft for hoist, including the axis body 1, spliced pole 2, outer gear 3, the surface of axis body 1 is equipped with cylinder 4, cylinder 4 is located spliced pole 2, between the outer gear 3, cylinder 4 is close to the tip surface of spliced pole 2 and is equipped with fourteen half slots 6 and first oilhole 8, cylinder 4 is close to the surface of outer gear 3 and is equipped with fourteen second oilholes 9, the structure and the arrangement form of first oilhole 8 and second oilhole 9, make the gear shaft can obtain comprehensive lubrication, be equipped with oil pocket 11 in the cylinder 4, cylinder 4's surface is equipped with plunger 5.
In this embodiment, third oilhole 10 has been seted up to the intermediate position on cylinder 4 surface, and third oilhole 10 and oil pocket 11 intercommunication, and the one end and the third oilhole 10 of plunger 5 match, are convenient for install plunger 5 on cylinder 4 and dismantle, are convenient for inject lubricating oil into cylinder 4 and lubricate the gear shaft.
In this embodiment, the one end of plunger 5 and cylinder 4 pass through the screw thread and close soon to be connected, and the other end of plunger 5 is spherical shape, carries on spacingly to plunger 5, is convenient for to knead plunger 5 and rotates.
In this embodiment, the tip that outer gear 3 was kept away from to cylinder 4 has seted up the annular groove, 6 circumference evenly distributed of half slot in the annular groove, first oilhole 8 and oil pocket 11 intercommunication, first oilhole 8 and 6 one-to-one of half slot, and lubricating oil in the cylinder 4 is convenient for lubricate 2 surfaces of spliced pole on flowing out spliced pole 2 from first oilhole 8.
In this embodiment, the second oil holes 9 are communicated with the oil cavity 11, the second oil holes 9 are circumferentially and uniformly distributed on the side surface of the cylinder 4, the fourteen second oil holes 9 correspond to part of tooth grooves on the outer gear 3 one by one, and the lubricating oil in the cylinder 4 flows out of the second oil holes 9 onto the outer gear 3, so that the surface of the outer gear 3 is lubricated conveniently, and the degree of wear is reduced.
In this embodiment, the surface of spliced pole 2 is equipped with four oil grooves 7 and keyway, and oil groove 7 is close to the position of cylinder 4, and four oil groove 7 circumference distribute in the outside of spliced pole 2, and lubricating oil flows to oil groove 7, does benefit to the storage of lubricating oil for it is more even to lubricate, strengthens lubricated effect.
In this embodiment, the outside coating of axis body 1, spliced pole 2 has boron carbide wear-resistant material's wearing layer, and wear-resisting effectual improves the wearability of gear shaft.
The utility model discloses a theory of operation and use flow:
the structure and arrangement form of the first oil hole 8 and the second oil hole 9 enable the gear shaft to be lubricated comprehensively, lubricating oil flows in from the third oil hole 10 of the cylinder 4, and then the lubricating oil flows out from the first oil hole 8 and the second oil hole 9 on two sides of the cylinder 4, so that the lubrication is more uniform and sufficient, the friction force is reduced, and the running stability of the gear shaft is ensured;
the first oil holes 8 and the second oil holes 9 are circumferentially and uniformly distributed on the surface of the cylinder 4, and lubricating oil flows to the oil groove 7 to be beneficial to storage of the lubricating oil, so that the lubricating is more uniform, and the lubricating effect is enhanced;
the outside coating of axis body 1, spliced pole 2 has the wearing layer of boron carbide wear-resistant material, and wear-resisting effectual improves the wearability of gear shaft.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a wear-resisting gear shaft for hoist, includes axis body (1), spliced pole (2), outer gear (3), its characterized in that: the surface of axis body (1) is equipped with cylinder (4), cylinder (4) are located between spliced pole (2), external gear (3), cylinder (4) are close to the tip surface of spliced pole (2) and are equipped with fourteen half slots (6) and first oilhole (8), cylinder (4) are close to the surface of external gear (3) and are equipped with fourteen second oilholes (9), be equipped with oil pocket (11) in cylinder (4), the surface of cylinder (4) is equipped with plunger (5).
2. A wear-resistant crane gear shaft according to claim 1, characterized in that: and a third oil hole (10) is formed in the middle of the surface of the cylinder (4), the third oil hole (10) is communicated with an oil cavity (11), and one end of the plunger (5) is matched with the third oil hole (10).
3. A wear-resistant crane gear shaft according to claim 1, characterized in that: one end of the plunger (5) is connected with the cylinder (4) in a screwing mode through threads, and the other end of the plunger (5) is spherical.
4. A wear-resistant crane gear shaft according to claim 1, characterized in that: the circular groove is formed in the end portion, far away from the outer gear (3), of the cylinder (4), the semicircular grooves (6) are circumferentially and uniformly distributed in the circular groove, the first oil holes (8) are communicated with the oil cavities (11), and the first oil holes (8) correspond to the semicircular grooves (6) one to one.
5. A wear-resistant crane gear shaft according to claim 1, characterized in that: the second oil holes (9) are communicated with the oil cavity (11), the second oil holes (9) are circumferentially and uniformly distributed on the side surface of the cylinder (4), and fourteen second oil holes (9) correspond to part of tooth grooves on the outer gear (3) one by one.
6. A wear-resistant crane gear shaft according to claim 1, characterized in that: the surface of spliced pole (2) is equipped with four oil grooves (7) and keyway, oil groove (7) are close to the position of cylinder (4), four oil groove (7) circumference distributes in the outside of spliced pole (2).
7. A wear-resistant crane gear shaft according to claim 1, characterized in that: the outer sides of the shaft body (1) and the connecting column (2) are coated with a wear-resistant layer made of boron carbide wear-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922173016.3U CN211778460U (en) | 2019-12-06 | 2019-12-06 | Wear-resistant gear shaft for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922173016.3U CN211778460U (en) | 2019-12-06 | 2019-12-06 | Wear-resistant gear shaft for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778460U true CN211778460U (en) | 2020-10-27 |
Family
ID=72974577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922173016.3U Expired - Fee Related CN211778460U (en) | 2019-12-06 | 2019-12-06 | Wear-resistant gear shaft for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778460U (en) |
-
2019
- 2019-12-06 CN CN201922173016.3U patent/CN211778460U/en not_active Expired - Fee Related
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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: 20201027 Termination date: 20211206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |