CN209008842U - It is a kind of for improving the oil-guide device of stern tube bearing lubricant effect - Google Patents
It is a kind of for improving the oil-guide device of stern tube bearing lubricant effect Download PDFInfo
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- CN209008842U CN209008842U CN201821862769.4U CN201821862769U CN209008842U CN 209008842 U CN209008842 U CN 209008842U CN 201821862769 U CN201821862769 U CN 201821862769U CN 209008842 U CN209008842 U CN 209008842U
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Abstract
The utility model discloses a kind of for improving the oil-guide device of stern tube bearing lubricant effect, it is related to shipbuilding technical field, including oil guide pipe, supporting element, connecting tube, casing, oil inlet pipe and flowline, lubricating oil enters stern pipe rear bearing by oil inlet pipe and oil guide pipe, there are gaps between oil guide pipe and stern pipe rear bearing, a small amount of hydraulic oil enters stern pipe rear bearing front end by gap, most of hydraulic oil reaches stern pipe rear bearing stern end by concave oil groove, subsequent hydraulic oil is flowed out by the flowline in stern pipe middle section, completes hydraulic oil in the circulation at stern pipe rear bearing position.The present apparatus can guarantee that lubricating oil quickly forms oil film at stern pipe rear bearing stern end, to reduce bearing friction, avoid bearing high temperature wear, ensure that the smoothness of lubricating oil circulation, also have structure simple, design rationally, does not affect the appearance, the beneficial effects such as low in cost.
Description
Technical field
It is especially a kind of for improving leading for stern tube bearing lubricant effect the utility model relates to shipbuilding technical field
Oily device.
Background technique
Existing ship stern pipe lubricating oil inlet and outlet, position is generally in the middle part of the stern tube on wrap-around tube.Through filter mistake
Filter and cooler lubricating oil after cooling are from import inflow stern pipe, and with the rotation of propeller shaft, part lubricating oil can be straight by exporting
It connects to flow back in stern tube lubricating oil sump tank and be recycled next time, most of filtering lubricating oil after cooling can not be made to preferentially enter stern pipe
Rear bearing stern is lubricated cooling at end.But the accident of most bearing high temperature wears is both present in stern pipe rear bearing stern end
Place, bearing face pressure is big, and oil film establishes difficult, corresponding frictional resistance increase, generation amount of heat.And in conventional design, this position
It is unsmooth to set lubricating oil circulation, increases bearing high temperature wear failure rate to a certain extent, it is therefore desirable to do to existing lubricating oil circulating path
It is further to improve.
Utility model content
To solve the technical issues of stern pipe rear bearing stern end is easy fever abrasion, the utility model provides a kind of for changing
The oil-guide device of kind stern tube bearing lubricant effect, specific technical solution are as follows.
It is a kind of for improving the oil-guide device of stern tube bearing lubricant effect, including stern pipe rear bearing, oil guide pipe, supporting element,
Connecting tube, casing, oil inlet pipe and flowline, the oil inlet pipe are fixed on stern pipe middle section by casing and connecting tube, the company
Adapter tube is connected with oil guide pipe；The gap of 5~8mm is installed between the oil guide pipe and stern pipe rear bearing；The stern pipe rear bearing
On be provided with concave oil groove.
Preferably, oil guide pipe is coaxially arranged in the oil outlet and concave oil groove of stern pipe rear axle socket end.
Preferably, the axis of connecting tube and casing intersects with the axis of propeller shaft, and the propeller shaft is horizontal positioned
When, the acute angle of the axis and vertical direction of connecting tube and casing is 30 degree.
Preferably, supporting element is provided between oil guide pipe and stern pipe middle section, the supporting element is by band steel or angle steel system
It forms.
Preferably, pass through weldering between the oil guide pipe and supporting element by being welded and fixed between oil guide pipe and connecting tube
Fixation is connect, by being welded and fixed between described sleeve pipe and connecting tube.
It may further be preferable that the rectangular in cross-section of oil guide pipe, welding production after the oil guide pipe is folded by stainless steel plate
It forms.
It may further be preferable that connecting tube and casing are made by stainless steel material.
The beneficial effect comprise that
(1) setting for passing through oil guide pipe, connecting tube, casing, oil inlet pipe and flowline, can guarantee lubricating oil in stern pipe rear axle
It holds stern end and quickly forms oil film, to reduce bearing friction, avoid bearing high temperature wear, ensure that the smoothness of lubricating oil circulation；?
It is installed with small gap between oil guide pipe and stern pipe rear bearing, to lubricating oil be shunted, so that small part lubricating oil is by gap
It is directly entered stern pipe.
(2) oil outlet of stern pipe rear axle socket end and concave oil groove it is coaxially arranged ensure that a large amount of lubricating oil pass through concave oil
Slot reaches stern pipe rear bearing stern end, in addition, the utility model also has structure simple, design rationally, does not affect the appearance, at low cost
The advantages that honest and clean.
Detailed description of the invention
Fig. 1 is the glide path structural schematic diagram of lubricating oil；
Fig. 2 is Oil Guide tube portion mounting structure schematic diagram；
Fig. 3 is the part-structure A-A cross-sectional view of connecting tube position；
Fig. 4 is the part-structure B-B cross-sectional view at supporting element；
In figure: 1- stern pipe rear bearing；2- oil guide pipe；3- supporting element；4- connecting tube；5- casing；6- oil inlet pipe；7- is fuel-displaced
Pipe；8- stern pipe middle section；9- propeller shaft；10- concave oil groove.
Specific embodiment
It is provided by the invention a kind of for improving the oil-guide device of stern tube bearing lubricant effect in conjunction with shown in Fig. 1 to Fig. 4,
Specific embodiment is as follows.
It is a kind of for improve the oil-guide device of stern tube bearing lubricant effect as shown in Figure 1, specifically include stern pipe rear bearing 1,
Oil guide pipe 2, supporting element 3, connecting tube 4, casing 5, oil inlet pipe 6 and flowline 7.Oil inlet pipe 6 is fixed by casing 5 and connecting tube 4
On stern pipe middle section 8, connecting tube 4 is connected with oil guide pipe 2.As shown in Figures 2 and 3, the axis and spiral of connecting tube 4 and casing 5
The axis of paddle shaft 9 intersects, and when propeller shaft 9 is horizontally arranged, the acute angle of the axis and vertical direction of connecting tube 4 and casing 5 is 30
Degree.The gap of 5~8mm is installed between oil guide pipe 2 and stern pipe rear bearing 1.It is provided with concave oil groove 10 in stern pipe rear bearing 1,
Oil guide pipe 2 is coaxially arranged in the oil outlet and concave oil groove 10 of stern pipe rear axle socket end.Oil guide pipe 2 is by SUS304 rectangle stainless steel tube
Production, wall thickness is about 3~5mm, and internal diameter is identical as the size of stern pipe rear bearing concave oil groove 10.
When vessel motion, the installation of oil guide pipe 2 can make most of filtering, lubricating oil after cooling pass through oil guide pipe 2 and stern
Pipe rear bearing concave oil groove 10 enters the stern end of stern pipe rear bearing, preferentially sets up oil film at lubrication herein, while driving lubricating oil
From stern to the circulation of outlet.By oil guide pipe 2, the setting of connecting tube 4, casing 5, oil inlet pipe 6 and flowline 7, can reduce
Bearing friction avoids bearing high temperature wear, ensure that the smoothness of lubricating oil circulation.It stays and sets between oil guide pipe 2 and stern pipe rear bearing 1
There is small gap, to lubricating oil be shunted, so that small part lubricating oil is directly entered stern pipe by gap.Stern pipe rear axle socket end
Oil outlet and concave oil groove 10 it is coaxially arranged ensure that a large amount of lubricating oil pass through concave oil groove reach 1 stern end of stern pipe rear bearing.
As shown in Figure 2 and Figure 4, be provided with supporting element 3 between oil guide pipe 2 and stern pipe middle section 8, supporting element 3 by band steel or
Angle steel is made.It is solid by welding between oil guide pipe 2 and supporting element 3 by being welded and fixed between oil guide pipe 2 and connecting tube 4
It is fixed, by being welded and fixed between casing 5 and connecting tube 4.The rectangular in cross-section of oil guide pipe 2, after oil guide pipe 2 is folded by stainless steel plate
Welding production forms.Connecting tube 4 and casing 5 are also to be made by stainless steel material.Oil guide pipe 2 is 60 × 30 × 3mm,
SUS304 rectangular square tube is welded using 3mm stainless steel plate flanging, and stern end is open, and fore body carries out 60 ° using same material closure plate
It blocks.Connecting tube uses 48.6 × 2.8mm of Φ, SUS304 material JIS G3459 standard stainless steel tube；Casing 5 uses and connection
40 × 50 × 10S that pipe matches, SUS304 material casing；Supporting element 3 uses FB50 × 5, and Q235A material band steel flanging forms.
When installation, oil guide pipe 2, connecting tube 4, casing 5 and supporting element are according to the practical preparatory welding fabrication of ship stern pipe size, before wearing axis
It is soldered to inside stern pipe, and appropriate polishing welding seams, it is ensured that the residual without welding slag.The utility model also has structure simple, design
Rationally, do not affect the appearance, it is low in cost the advantages that.
For the effect of the further instruction device, by taking bulk freighter wheel as an example, in trial voyage or flight ballast operating condition, the speed of a ship or plane
13.8km/h, hard starboard (35 ° of rudder angle) carry out in 540 ° of ship big turning tests, and temperature at stern pipe rear bearing is from initial
27.1 DEG C are increased to final 28.4 DEG C, only 1.3 DEG C of temperature rise, thus prove that the device can preferably improve the lubrication of stern tube bearing
Effect.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (7)
1. a kind of for improving the oil-guide device of stern tube bearing lubricant effect, including stern pipe rear bearing, oil guide pipe, supporting element, company
Adapter tube, casing, oil inlet pipe and flowline, which is characterized in that the oil inlet pipe is fixed on stern pipe middle section by casing and connecting tube
On, the connecting tube is connected with oil guide pipe；The gap of 5~8mm is installed between the oil guide pipe and stern pipe rear bearing；The stern
Concave oil groove is provided in pipe rear bearing.
2. according to claim 1 a kind of for improving the oil-guide device of stern tube bearing lubricant effect, which is characterized in that institute
The oil outlet and concave oil groove that oil guide pipe is stated in stern pipe rear axle socket end are coaxially arranged.
3. according to claim 1 a kind of for improving the oil-guide device of stern tube bearing lubricant effect, which is characterized in that institute
It states connecting tube and the axis of casing and the axis of propeller shaft intersects, when the propeller shaft is horizontally arranged, connecting tube and casing
Axis and vertical direction acute angle be 30 degree.
4. according to claim 2 or 3 a kind of for improving the oil-guide device of stern tube bearing lubricant effect, feature exists
In being provided with supporting element between the oil guide pipe and stern pipe middle section, the supporting element is made by band steel or angle steel.
5. according to claim 4 a kind of for improving the oil-guide device of stern tube bearing lubricant effect, which is characterized in that institute
It states by being welded and fixed between oil guide pipe and connecting tube, by being welded and fixed between the oil guide pipe and supporting element, described sleeve pipe
By being welded and fixed between connecting tube.
6. according to claim 4 a kind of for improving the oil-guide device of stern tube bearing lubricant effect, which is characterized in that institute
The rectangular in cross-section of oil guide pipe is stated, welding production forms after the oil guide pipe is folded by stainless steel plate.
7. according to claim 4 a kind of for improving the oil-guide device of stern tube bearing lubricant effect, which is characterized in that institute
It states connecting tube and casing is made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821862769.4U CN209008842U (en) | 2018-11-13 | 2018-11-13 | It is a kind of for improving the oil-guide device of stern tube bearing lubricant effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821862769.4U CN209008842U (en) | 2018-11-13 | 2018-11-13 | It is a kind of for improving the oil-guide device of stern tube bearing lubricant effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209008842U true CN209008842U (en) | 2019-06-21 |
Family
ID=66842173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821862769.4U Active CN209008842U (en) | 2018-11-13 | 2018-11-13 | It is a kind of for improving the oil-guide device of stern tube bearing lubricant effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209008842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799955A (en) * | 2021-09-27 | 2021-12-17 | 广船国际有限公司 | Isolating device and boats and ships that lubricating oil purified |
| CN115352610A (en) * | 2022-08-31 | 2022-11-18 | 沪东中华造船(集团)有限公司 | Marine stern tube structure with lubricating oil pipeline |
-
2018
- 2018-11-13 CN CN201821862769.4U patent/CN209008842U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799955A (en) * | 2021-09-27 | 2021-12-17 | 广船国际有限公司 | Isolating device and boats and ships that lubricating oil purified |
| CN113799955B (en) * | 2021-09-27 | 2023-03-24 | 广船国际有限公司 | Isolating device and boats and ships that lubricating oil purified |
| CN115352610A (en) * | 2022-08-31 | 2022-11-18 | 沪东中华造船(集团)有限公司 | Marine stern tube structure with lubricating oil pipeline |
| CN115352610B (en) * | 2022-08-31 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Marine stern tube structure with lubricating oil pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266520 No. 369, Lijiang East Road, economic and Technological Development Zone, Huangdao District, Qingdao City, Shandong Province Patentee after: China Shipbuilding Group Qingdao Beihai Shipbuilding Co.,Ltd. Address before: 266520 No. 369, Lijiang East Road, economic and Technological Development Zone, Huangdao District, Qingdao City, Shandong Province Patentee before: QINGDAO BEIHAI SHIPBUILDING HEAVY INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |