CN216478385U - Oil filler hole structure of pulley shaft of large-tonnage crane - Google Patents
Oil filler hole structure of pulley shaft of large-tonnage crane Download PDFInfo
- Publication number
- CN216478385U CN216478385U CN202122280028.3U CN202122280028U CN216478385U CN 216478385 U CN216478385 U CN 216478385U CN 202122280028 U CN202122280028 U CN 202122280028U CN 216478385 U CN216478385 U CN 216478385U
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- Prior art keywords
- oil
- hole
- pulley shaft
- wall
- filler point
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- 239000000945 filler Substances 0.000 title claims description 23
- 239000010977 jade Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 abstract description 14
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000004519 grease Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses an oil filling hole structure of a pulley shaft of a large-tonnage crane, which comprises the pulley shaft, oil filling holes, oil distribution holes and an oil guide channel, wherein the oil distribution holes are longitudinally distributed along the length direction of the pulley shaft in an array manner, the oil guide channel is communicated with the oil filling holes and the oil distribution holes, a hole wall of each oil distribution hole is provided with a hole expanding structure, and the hole expanding structure is used for comprehensively and uniformly guiding oil discharged from the outer surface of the pulley shaft. The oil distribution hole wall is provided with the reaming structure, so that the lubricating device is beneficial to full lubrication of the pulley sheet, has high lubricating efficiency, and avoids pollution and waste caused by more oil and grease discharged from the outer bearing, thereby realizing quick lubrication and reducing the labor intensity of operators.
Description
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to an oil hole structure of a pulley shaft of a large-tonnage crane.
Background
The gantry hook is one of important parts in the field of crane lifting systems, wherein a bearing needs oil injection lubrication, when an oil hole in a pulley shaft is filled with oil, the bearing lubrication is carried out through the pulley shaft hole by utilizing the principle design of a distributor, the lubrication of the bearing is improved, but because the oil hole is small, two pulley pieces on the inner side are not sufficiently lubricated, the lubrication standard cannot be met, the lubrication efficiency is low, in addition, more oil is discharged from the bearing on the outer side, the pollution and the waste are caused, and therefore, the large-tonnage crane pulley shaft oil injection hole structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil hole structure of a pulley shaft of a large-tonnage crane.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a large-tonnage hoist pulley shaft oil filler point structure, includes pulley shaft, oil filler point, is the branch oil filler point that vertical array form distributes and feeds through the oil filler point and the oil channel that leads of branch oil filler point along pulley shaft length direction, be equipped with reaming structure on dividing the oil filler point hole wall, and reaming structure is used for leading the delivery to the comprehensive even of pulley shaft outer terminal surface play oil.
Preferably, the hole expanding structure comprises oil distributing hole expanding grooves, the oil distributing hole walls distributed in a longitudinal array along the length direction of the pulley shaft are respectively provided with the oil distributing hole expanding grooves, and the oil distributing hole expanding grooves comprise arc-shaped grooves extending towards two sides of the oil distributing hole wall.
Preferably, the reaming structure comprises oil distributing hole connecting grooves, and the oil distributing hole connecting grooves are communicated with the oil distributing holes which are longitudinally distributed in an array mode along the length direction of the pulley shaft.
Preferably, lead the interior wall of oil passageway bottom and be the slope form setting that progressively reduces towards keeping away from its one end by being close oil filler point one end, and lead oil passageway bottom interior wall and keep away from oil filler point one end and establish the hollow groove end.
Preferably, be equipped with the screw thread mouth on the interior jade wall of low groove end, and threaded mounting has sealed lid on the interior jade wall of screw thread mouth, be equipped with the sealing washer on the outer port jade wall of screw thread mouth and the laminating of sealed lid.
Preferably, the oil distribution hole connecting groove bottom wall is arranged in an inclined manner that the angle of inclination gradually decreases from one end close to the oil filling hole to the end far away from the oil filling hole, and the oil distribution hole connecting groove is communicated with the oil guide channel through the oil collecting channel.
Preferably, an oil filling hole expanding groove is formed in the wall of the oil filling hole, and an elastic limiting sleeve is mounted on the wall of the oil filling hole expanding groove.
Preferably, the wall of the inner sleeve of the elastic limiting sleeve is provided with a limiting bump.
Compared with the prior art, the utility model has the advantages that:
the oil distribution hole wall is provided with the reaming structure, so that the lubricating device is beneficial to full lubrication of the pulley sheet, has high lubricating efficiency, and avoids pollution and waste caused by more oil and grease discharged from the outer bearing, thereby realizing quick lubrication and reducing the labor intensity of operators.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an oil filler hole structure of a pulley shaft of a large-tonnage crane according to the utility model;
FIG. 2 is a schematic structural diagram of another embodiment of an oil filler hole structure of a pulley shaft of a large-tonnage crane according to the utility model;
FIG. 3 is a schematic sectional view of an elastic stop collar of the oil filler point structure of the pulley shaft of the large-tonnage crane.
In the figure: pulley shaft 1, oil filler point 2, oil filler point expanded groove 3, elastic limit sleeve 4, limit lug 41, oil guide channel 5, hollow groove end 51, oil dividing hole 6, oil dividing hole expanded groove 7, oil dividing hole connecting groove 8, oil collecting channel 9 and sealing cover 10.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1-3, the utility model provides an oil filling hole structure of a pulley shaft of a large-tonnage crane, which comprises a pulley shaft 1, an oil filling hole 2, oil distribution holes 6 longitudinally distributed along the length direction of the pulley shaft 1 in an array manner, and an oil guide channel 5 communicating the oil filling hole 2 and the oil distribution holes 6, wherein a hole expanding structure is arranged on the wall of the oil distribution hole 6, the hole enlarging structure is used for comprehensively and uniformly guiding and conveying the oil outlet on the outer end surface of the pulley shaft 1, an oil filling hole enlarging groove 3 is arranged on the hole wall of the oil filling hole 2, and the wall of the oil filling hole expanding groove 3 is provided with an elastic limit sleeve 4, the wall of the inner sleeve of the elastic limit sleeve 4 is provided with a limit bump 41, when oil is filled, the oil filling end of the oil gun is inserted into the elastic limiting sleeve 4, which is beneficial to temporarily limiting the position of the oil gun, the oil gun can be filled without pressing the oil gun by hands at any time, the limiting lug 41 increases the friction effect on the oil filling end of the oil gun, and ensures that the oil gun is stably inserted into the oil filling hole 2 during oil filling.
In one embodiment, the reaming structure includes that branch oilhole expands groove 7, establishes respectively on the 6 hole walls of branch oilhole that are the distribution of longitudinal array form along 1 length direction of pulley shaft and divides oilhole to expand groove 7, and divides oilhole to expand groove 7 to include and form to the arc wall that divides 6 hole mouth wall both sides of oilhole to extend respectively, expands groove 7 through establishing branch oilhole, increases the range of producing oil of 6 hole mouths in branch oilhole, and lubrication efficiency is higher like this, and does benefit to more even comprehensive lubrication to the pulley piece.
In another embodiment, the reaming structure comprises oil distributing holes connected with grooves 8, the oil distributing holes connected with grooves 8 are communicated with the oil distributing holes 6 distributed in a longitudinal array along the length direction of the pulley shaft 1, the orifice ends of the oil distributing holes 6 distributed in the longitudinal array are communicated, and the oil outlet range of the orifice end of the oil distributing hole 6 distributed in the longitudinal array is connected into a whole, so that the lubricating efficiency is higher, and more uniform and comprehensive lubrication of the pulley plate is facilitated.
The inner wall of the bottom end of the oil guide channel 5 is inclined and gradually reduced from one end close to the oil filling hole 2 to the other end far away from the oil filling hole 2, the inner wall of the bottom end of the oil guide channel 5 is provided with a hollow groove end 51 from one end far away from the oil filling hole 2, a threaded port is arranged on the inner wall of the hollow groove end 51, a sealing cover 10 is installed on the inner wall of the threaded port in a threaded manner, a sealing ring is arranged on the outer end wall attached to the sealing cover 10, 2 oil inlets of the oil filling hole are conveyed to each oil distributing hole 6 through the oil guide channel 5, residual oil after the oil is conveyed can be guided to and collected in the hollow groove end 51 through the inclined inner wall of the bottom end of the oil guide channel 5, and finally the sealing cover 10 can be opened to guide and collect the residual oil, so that the residual oil stored in the oil guide channel 5 is prevented from increasing the self weight of the pulley shaft 1, the overall safety is influenced, and the oil body is prevented from being solidified and the oil body and the oil guide channel 5 is blocked.
The bottom groove wall of the oil distribution hole connecting groove 8 is arranged in an inclined manner gradually decreasing from one end close to the oil filling hole 2 to the end far away from the oil filling hole, the oil distribution hole connecting groove 8 is communicated with the oil guide channel 5 through the oil collecting channel 9, and the residual oil quantity in the oil distribution hole connecting groove 8 after lubrication can also be guided to the bottom groove wall of the hollow groove end 51 through the oil distribution hole connecting groove 8 and then is discharged after being concentrated.
The working principle is as follows: through being equipped with reaming structure on 6 hole walls in branch oil hole, do benefit to the pulley piece and lubricate abundant, and lubricated efficient, avoid in addition leading to the fact pollution and waste because of the outside bearing goes out that grease is more, realize quick lubrication like this, reduce operator's intensity of labour.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the utility model, as long as they do not exceed the scope of the utility model described in the claims.
Claims (8)
1. The utility model provides a large-tonnage hoist pulley shaft oil filler point structure, includes pulley shaft, oil filler point, is the branch oil filler point that vertical array form distributes and feeds through the oil filler point and the oil guide channel who divides the oil filler point along pulley shaft length direction, its characterized in that: be equipped with reaming structure on the branch oilhole hole jade, and reaming structure is used for leading the delivery to the pulley shaft outer terminal surface oil is comprehensive even.
2. The pulley shaft oil injection hole structure of the large-tonnage crane according to claim 1, characterized in that: the hole expanding structure comprises oil distributing hole expanding grooves, the oil distributing hole walls distributed in a longitudinal array mode along the length direction of the pulley shaft are respectively provided with the oil distributing hole expanding grooves, and the oil distributing hole expanding grooves comprise arc-shaped grooves extending towards two sides of the oil distributing hole wall.
3. The pulley shaft oil injection hole structure of the large-tonnage crane according to claim 1, characterized in that: the reaming structure comprises oil distributing hole connecting grooves which are communicated with each oil distributing hole which is longitudinally distributed in an array shape along the length direction of the pulley shaft.
4. The pulley shaft oil injection hole structure of the large-tonnage crane according to claim 1, characterized in that: lead interior jade of oil passageway bottom and keep away from its one end by being close oil filler point one end towards and be the slope form setting that progressively reduces, and lead interior jade of oil passageway bottom and keep away from oil filler point one end and establish the depression groove end.
5. The pulley shaft oil hole structure of the large-tonnage crane according to claim 4, wherein: be equipped with the screw thread mouth on the interior jade wall of low groove end, and threaded mounting has sealed lid on the interior jade wall of screw thread mouth, be equipped with the sealing washer on the outer port jade wall of screw thread mouth and the laminating of sealed lid.
6. The pulley shaft oil injection hole structure of the large-tonnage crane according to claim 3, characterized in that: the oil distribution hole is connected with the groove bottom wall, the inclined arrangement is gradually reduced from one end close to the oil filling hole to the other end far away from the oil filling hole, and the oil distribution hole is connected with the groove and the oil guide channel through the oil collecting channel.
7. The pulley shaft oil injection hole structure of the large-tonnage crane according to claim 1, characterized in that: an oil filling hole expanding groove is formed in the wall of the oil filling hole, and an elastic limiting sleeve is mounted on the wall of the oil filling hole expanding groove.
8. The pulley shaft oil filler point structure of the large-tonnage crane according to claim 7, wherein: the wall of the inner sleeve of the elastic limiting sleeve is provided with a limiting bump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122280028.3U CN216478385U (en) | 2021-09-22 | 2021-09-22 | Oil filler hole structure of pulley shaft of large-tonnage crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122280028.3U CN216478385U (en) | 2021-09-22 | 2021-09-22 | Oil filler hole structure of pulley shaft of large-tonnage crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478385U true CN216478385U (en) | 2022-05-10 |
Family
ID=81436165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122280028.3U Expired - Fee Related CN216478385U (en) | 2021-09-22 | 2021-09-22 | Oil filler hole structure of pulley shaft of large-tonnage crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478385U (en) |
-
2021
- 2021-09-22 CN CN202122280028.3U patent/CN216478385U/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: 20220510 |