CN118565913A - Tail shaft rear bearing lubricating oil sampling method and sampling structure - Google Patents
Tail shaft rear bearing lubricating oil sampling method and sampling structure Download PDFInfo
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- CN118565913A CN118565913A CN202410637262.2A CN202410637262A CN118565913A CN 118565913 A CN118565913 A CN 118565913A CN 202410637262 A CN202410637262 A CN 202410637262A CN 118565913 A CN118565913 A CN 118565913A
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- 238000005070 sampling Methods 0.000 title claims abstract description 113
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003921 oil Substances 0.000 claims abstract description 76
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000005299 abrasion Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
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Abstract
The invention discloses a sampling method and a sampling structure for lubricating oil of a rear bearing of a stern shaft, which are characterized in that a lubricating oil circulation pipeline is arranged on the stern shaft, two circulation paths are arranged in the lubricating oil circulation pipeline, namely a first circulation path and a second circulation path, the branching point of the paths of the first circulation path and the second circulation path is a point, a sampling pipeline is arranged on a pipeline positioned behind the point a of the second circulation path, the sampling valve is arranged on the sampling pipe, the first control valve and the second control valve are arranged on the pipeline between the installation position of the sampling pipeline and the point a, and the sampling valve is controlled to collect lubricating oil from the vicinity of the rear bearing of the stern shaft under the condition that the normal operation of the shafting is not affected, and the collected oil sample can avoid pollution from a filter and can reflect the lubricating oil state of the rear bearing of the stern shaft.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a tail shaft rear bearing lubricating oil sampling method and a tail shaft rear bearing lubricating oil sampling structure.
Background
The ship stern tube is usually forced lubrication, the lubricating oil flowing in the cavity of the stern tube plays a role in lubricating the stern tube and the bearing, if the lubricating effect is poor, the bearing is worn behind the stern tube, in addition, if the stern seal at the stern is leaked, seawater can enter the lubricating oil in the stern tube to pollute the lubricating oil of the stern tube, so that a ship-class society has definite regulation, and the lubricating oil of the stern tube needs to be sampled and analyzed in a certain time. At present, a sampling point is usually arranged on a pipeline flowing into a stern shaft cavity, when a shafting stops running, sampling is carried out from a stern shaft front bearing, the abrasion condition of the stern shaft bearing and the state of lubricating oil are checked by analyzing oil products, however, the stern and the ship inspection consider that sampling is needed near a stern shaft rear bearing, because the stern shaft rear bearing is more easily abraded and even generates the problem of high temperature of the stern shaft rear bearing when the ship runs, seawater enters the stern tube, the lubricating oil at the rear part of the stern tube is polluted firstly, and the ship inspection suggests sampling when the shafting runs, so that the polluted oil, such as the oil filtered by a filter of a lubricating system, is more easily taken out when the sampling is carried out. Therefore, how to arrange a stern tube rear bearing lubricating oil sampling tube becomes a problem to be solved urgently.
Disclosure of Invention
In view of the above, the present invention provides a method and a structure for sampling lubricating oil of a rear bearing of a stern shaft, which are used for solving the problems in the prior art.
A tail shaft rear bearing lubricating oil sampling method specifically comprises the following steps:
The method comprises the following steps that S1, an oil circulation pipeline is arranged on a stern shaft, the oil circulation pipeline comprises a first circulation path for enabling oil flowing out of an oil outlet c of a stern tube to flow back to the stern tube through a front oil inlet b of the stern tube and a second circulation path for enabling the oil flowing out of the oil outlet c of the stern tube to flow back to the stern tube through a rear oil inlet d of the stern tube, a branching point of the first circulation path and the second circulation path is a point a, a sampling pipeline is separated from a pipeline positioned behind the point a of the second circulation path, a sampling valve is arranged on the sampling pipeline, and a first control valve is arranged on the pipeline between the installation position of the sampling pipeline and the point a;
S2, when the shafting normally operates, a first control valve is opened, a sampling valve is closed at the same time, the lubricating oil flowing out of the oil outlet c of the stern tube enters a front bearing area of the stern shaft through a first circulation path, and the lubricating oil flowing out of the oil outlet c of the stern tube enters a rear bearing area of the stern shaft through a second circulation path;
when sampling is needed, the first control valve is closed, the sampling valve is opened, the lubricating oil flowing out of the oil outlet c of the stern tube still enters the front bearing area of the stern shaft through the first circulation path, the second circulation path is closed, the lubricating oil of the rear bearing of the stern shaft flows back into the sampling pipeline, and the sampling work of the lubricating oil near the rear bearing of the stern shaft is completed;
S3, after sampling is completed, the sampling valve is closed, and the first control valve is opened.
Preferably, the first control valve is arranged on a line in the nacelle.
Preferably, a second control valve is also arranged on the pipeline between the installation position of the sampling pipeline and the point a, the second control valve is positioned behind the first control valve,
When the shafting normally operates, the first control valve and the second control valve are opened, and the sampling valve is closed at the same time;
When sampling is needed, the first control valve is closed, the second control valve and the sampling valve are simultaneously opened, the sampling valve is closed after sampling is finished, and the first control valve is opened.
Preferably, the first control valve and the second control valve are both arranged on a pipeline in the cabin.
Preferably, the first control valve and the second control valve are both stop valves.
Preferably, the lubricating oil circulation pipeline comprises a first circulation pipe, a second circulation pipe and a third circulation pipe, one end of the first circulation pipe is connected to the stern tube oil outlet c, the other end of the first circulation pipe is connected with the second circulation pipe and the third circulation pipe respectively, the tail end of the second circulation pipe is connected to the stern tube front oil inlet b, the tail end of the third circulation pipe is connected to the stern tube rear oil inlet d, and a filter and a pump are arranged on the first circulation pipe;
the first circulation path is a path formed by the flow of the lubricating oil through the first circulation pipe and the second circulation pipe, and the second circulation path is a path formed by the flow of the lubricating oil through the first circulation pipe and the third circulation pipe.
The tail shaft is provided with an oil circulation pipeline, the oil circulation pipeline comprises a first circulation pipe, a second circulation pipe and a third circulation pipe, one end of the first circulation pipe is connected to an oil outlet c of the tail pipe, the other end of the first circulation pipe is respectively connected with the second circulation pipe and the third circulation pipe, the tail end of the second circulation pipe is connected to a front oil inlet b of the tail pipe, the tail end of the third circulation pipe is connected to a rear oil inlet d of the tail pipe, and a filter and a pump are arranged on the first circulation pipe;
the lubricating oil circulation pipeline comprises two circulation paths, namely a first circulation path and a second circulation path, wherein the first circulation path is a path formed by flowing back lubricating oil from an oil outlet c of a stern tube to the stern tube through a first circulation pipe and a second circulation pipe, the second circulation path is a path formed by flowing back from an oil inlet d of the stern tube to the stern tube after flowing out from the oil outlet c of the stern tube, the connection point of the first circulation pipe and the second circulation pipe and the third circulation pipe is a path bifurcation point a of the first circulation path and the second circulation path, a sampling pipeline is separated from a pipeline positioned behind the point a on the third circulation pipe, a sampling valve is arranged on the sampling pipeline, and a first control valve is arranged on the pipeline between the installation position of the sampling pipeline and the point a.
Preferably, a second control valve is further installed on the pipeline between the installation position of the sampling pipeline and the point a, and the second control valve is located behind the first control valve.
Preferably, the first control valve and the second control valve are both disposed on a line of the third circulation pipe located in the cabin.
Preferably, the first control valve is provided on a line of the third circulation pipe located in the cabin.
The beneficial effects of the invention are as follows:
According to the invention, under the condition that normal operation of a shafting is not affected, the lubricating oil can be collected from the vicinity of the rear bearing of the stern shaft, the collected oil sample can avoid pollution from a filter, and the sampled sample can reflect the lubricating oil state of the rear bearing of the stern shaft, so that the accuracy of sampling analysis can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the aft shaft bearing grease sampling of the present disclosure.
The meaning of the reference numerals in the figures is:
1 is a first control valve, 2 is a second control valve, 3 is a sampling valve, 4 is a sampling pipeline, 5 is a first circulating pipe, 6 is a second circulating pipe, 7 is a third circulating pipe, 8 is a filter, 9 is a pump, 10 is a bulkhead, 11 is a front bearing of a stern shaft, and 12 is a rear bearing of the stern shaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that, although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms, but rather should not be construed as indicating or implying any relative importance. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination" depending on the context.
In the description of the present invention, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical, or may be in communication with each other in two elements, or may be directly or indirectly connected through an intermediary, as will be apparent to those of ordinary skill in the art in view of the specific meaning of the terms.
For a better understanding of the technical solution of the present invention, the following detailed description of the present invention refers to the accompanying drawings.
The invention provides a method for sampling lubricating oil of a rear bearing of a stern shaft, which specifically comprises the following steps:
s1, an oil circulation pipeline is arranged on the stern shaft, and comprises a first circulation path for enabling oil flowing out of an oil outlet c of the stern tube to flow back to the stern tube through a front oil inlet b of the stern tube and a second circulation path for enabling oil flowing out of the oil outlet c of the stern tube to flow back to the stern tube through a rear oil inlet d of the stern tube.
Specifically, the lubricating oil circulation pipeline comprises a first circulation pipe 5, a second circulation pipe 6 and a third circulation pipe 7, one end of the first circulation pipe 5 is connected to a stern tube oil outlet c, the other end of the first circulation pipe 5 is respectively connected with the second circulation pipe 6 and the third circulation pipe 7, the tail end of the second circulation pipe 6 is connected to a stern tube front oil inlet b, the tail end of the third circulation pipe 7 is connected to a stern tube rear oil inlet d, and a filter 8 and a pump 9 are mounted on the first circulation pipe 5.
The first circulation path is a path formed by the flowing of the lubricating oil through the first circulation pipe 5 and the second circulation pipe 6 to enter the bearing area in front of the stern tube, under the action of the pump 9, the lubricating oil flows into the first circulation pipe 5 from the stern tube oil outlet c, enters the filter 8 to filter out metal scraps carried in the stern tube and generated by abrasion, then enters the pump 9, flows out of the outlet of the pump 9, enters the second circulation pipe 6 after flowing to the connection point a, flows into the stern tube front oil inlet b through the second circulation pipe 6, and flows back into the stern tube, namely the first circulation path is as follows: the stern tube-stern tube oil outlet c-first circulating tube 5-filter 8-pump 9-connection point a-second circulating tube 6-stern tube front oil inlet b-stern tube; the first circulation path ensures normal operation of the shafting.
The second circulation path is a path formed by the flowing of the lubricating oil through the first circulation pipe 5 and the third circulation pipe 7 to enter the rear bearing area of the stern tube, under the action of the pump 9, the lubricating oil flows into the first circulation pipe 5 from the stern tube oil outlet c, enters the filter 8 to filter out metal scraps carried in the stern tube and generated by abrasion, then enters the pump 9, flows out of the outlet of the pump 9, enters the third circulation pipe 7 after flowing to the connection point a, flows into the stern tube rear oil inlet d through the third circulation pipe 7, and flows back into the stern tube, namely the first circulation path is as follows: the stern tube-stern tube oil outlet c-first circulating tube 5-filter 8-pump 9-connection point a-third circulating tube 7-stern tube rear oil inlet d-stern tube; the second circulation path serves to increase the effect of rear bearing lubrication.
Therefore, the branching point of the first circulation path and the second circulation path is point a, that is, point a is the connection node of the first circulation pipe 5 and the second and third circulation pipes 6 and 7.
The pipeline of the second circulation path behind the point a is divided into a sampling pipeline 4, namely a third circulation pipe 7 is connected with the sampling pipeline 4. The sampling pipeline 4 is provided with a sampling valve 3, a pipeline between the installation position of the sampling pipeline and the point a is provided with a first control valve 1, the first control valve 1 is positioned outside the bulkhead, namely, the first control valve 1 is arranged on a pipeline of the third circulating pipe 7, which is positioned in the cabin.
The sampling valve 3 is used for controlling the on-off of the sampling pipeline 4, and the first control valve 1 is used for controlling the on-off of the second circulation path.
S2, when the shafting normally operates, the first control valve 1 is opened, the sampling valve 3 is closed, the lubricating oil flowing out of the oil outlet c of the stern tube enters a front bearing area of the stern shaft through a first circulation path, and the lubricating oil flowing out of the oil outlet c of the stern tube enters a rear bearing area of the stern shaft through a second circulation path;
when sampling is needed, the first control valve 1 is closed, the sampling valve 3 is opened, the lubricating oil flowing out of the oil outlet c of the stern tube still enters the front bearing area of the stern shaft through the first circulation path, the second circulation path is closed, the lubricating oil of the rear bearing of the stern shaft flows back into the sampling pipeline 4, and the sampling work of the lubricating oil near the rear bearing of the stern shaft is completed;
S3, after sampling is completed, the sampling valve 3 is closed, and the first control valve 1 is opened.
The invention also provides a rear bearing lubricating oil sampling structure of the stern shaft, which is used for realizing the sampling of the rear bearing lubricating oil of the stern shaft based on the method.
Specifically, the above-mentioned lubricating oil circulation pipeline is arranged on the stern shaft, the lubricating oil circulation pipeline comprises a first circulation pipe 5, a second circulation pipe 6 and a third circulation pipe 7, one end of the first circulation pipe 5 is connected to an oil outlet c of the stern tube, the other end of the first circulation pipe 5 is respectively connected with the second circulation pipe 6 and the third circulation pipe 7, the tail end of the second circulation pipe 6 is connected to a front oil inlet b of the stern tube, the tail end of the third circulation pipe 7 is connected to a rear oil inlet d of the stern tube, a filter 8 and a pump 9 are arranged on the first circulation pipe 5, a sampling pipeline 4 is separated from a pipeline positioned behind a point on the third circulation pipe 7, a sampling valve 3 is arranged on the sampling pipeline 4, a first control valve 1 is arranged on a pipeline positioned between the installation position of the sampling pipeline and the a point, and the first control valve 1 is arranged on a pipeline positioned in a cabin of the third circulation pipe 7.
In the second embodiment, the first embodiment is basically the same as the first embodiment, and the specific difference is that a second control valve 2 is further installed on a pipeline between the installation position of the sampling pipeline and the point a, the second control valve 2 is located at the rear of the first control valve 1, and the first control valve 1 and the second control valve 2 are both arranged on a pipeline of the third circulation pipe 7 located in the cabin.
Specifically, in this embodiment, the method for sampling the rear bearing lubricating oil of the stern shaft specifically includes the following steps:
s1, a lubricating oil circulation pipeline is arranged on a stern shaft, a sampling pipeline 4 is connected to a third circulation pipe 7 of the lubricating oil circulation pipeline, a sampling valve 3 is arranged on the sampling pipeline 4, a first control valve 1 and a second control valve 2 are arranged on a pipeline between the installation position of the sampling pipeline and the point a, the second control valve 2 is positioned behind the first control valve 1, the first control valve 1 and the second control valve 2 are both positioned outside a bulkhead, namely, the first control valve 1 and the second control valve 2 are both arranged on a pipeline, positioned in a cabin, of the third circulation pipe 7.
S2, when the shafting normally operates, a first control valve 1 and a second control valve 2 are opened, a sampling valve 3 is closed, lubricating oil flowing out of an oil outlet c of a stern tube enters a front bearing area of the stern shaft through a first circulation path, and lubricating oil flowing out of the oil outlet c of the stern tube enters a rear bearing area of the stern shaft through a second circulation path;
when sampling is needed, the first control valve 1 is closed, the second control valve 2 and the sampling valve 3 are opened, and the lubricating oil flowing out of the oil outlet c of the stern tube still enters the bearing area in front of the stern shaft through the first circulation path to ensure the normal operation of the shafting, and as the first control valve 1 is closed, the second circulation path is closed, but the lubricating oil near the rear bearing of the stern shaft flows back into the third circulation pipe 7 from the rear oil inlet d of the stern tube, and then enters the sampling pipeline 4 to finish the sampling work of the lubricating oil near the rear bearing of the stern shaft;
S3, after sampling is completed, the sampling valve 3 is closed, and the first control valve 1 is opened.
Other embodiments are the same as the first embodiment, and are not described in detail herein.
The method and the structure described in the first embodiment and the second embodiment can collect the lubricating oil from the vicinity of the rear bearing of the stern shaft without affecting the normal operation of the shafting, and the collected oil sample can avoid pollution from the filter, and the sampled sample can reflect the lubricating oil state of the rear bearing of the stern shaft, thereby improving the detection accuracy.
It should be understood that the described embodiments are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (10)
1. The tail shaft rear bearing lubricating oil sampling method is characterized by comprising the following steps of:
The method comprises the following steps that S1, an oil circulation pipeline is arranged on a stern shaft, the oil circulation pipeline comprises a first circulation path for enabling oil flowing out of an oil outlet c of a stern tube to flow back to the stern tube through a front oil inlet b of the stern tube and a second circulation path for enabling the oil flowing out of the oil outlet c of the stern tube to flow back to the stern tube through a rear oil inlet d of the stern tube, a branching point of the paths of the first circulation path and the second circulation path is a point a, a sampling pipeline (4) is separated from a pipeline of the second circulation path, which is positioned behind the point a, a sampling valve (3) is installed on the sampling pipeline (4), and a first control valve (1) is installed on the pipeline between the installation position of the sampling pipeline and the point a;
S2, when the shafting normally operates, a first control valve (1) is opened, a sampling valve (3) is closed, and lubricating oil flowing out of an oil outlet c of the stern tube enters a front bearing area of the stern shaft through a first circulation path, and lubricating oil flowing out of the oil outlet c of the stern tube enters a rear bearing area of the stern shaft through a second circulation path;
when sampling is needed, the first control valve (1) is closed, the sampling valve (3) is opened, the lubricating oil flowing out of the oil outlet c of the stern tube still enters the area of the front bearing of the stern shaft through the first circulation path, the second circulation path is closed, the lubricating oil of the rear bearing of the stern shaft flows back into the sampling pipeline (4), and the sampling work of the lubricating oil near the rear bearing of the stern shaft is completed;
s3, after sampling is completed, the sampling valve (3) is closed, and the first control valve (1) is opened.
2. The stern shaft rear bearing lubricating oil sampling method according to claim 1, wherein the first control valve (1) is provided on a pipeline in a nacelle.
3. The stern shaft rear bearing lubricating oil sampling method according to claim 1, wherein a second control valve (2) is further arranged on the pipeline between the installation position of the sampling pipeline and the point a, the second control valve (2) is positioned behind the first control valve (1),
When the shafting normally operates, the first control valve (1) and the second control valve (2) are opened, and the sampling valve (3) is closed at the same time;
When sampling is needed, the first control valve (1) is closed, the second control valve (2) and the sampling valve (3) are simultaneously opened, the sampling valve (3) is closed after sampling is finished, and the first control valve (1) is opened.
4. A stern shaft rear bearing lubricating oil sampling method according to claim 3, characterised in that the first control valve (1) and the second control valve (2) are both arranged on a pipeline in the nacelle.
5. The stern shaft rear bearing lubricating oil sampling method according to claim 3 or 4, wherein the first control valve (1) and the second control valve (2) are both stop valves.
6. The stern shaft rear bearing lubricating oil sampling method according to claim 1, wherein the lubricating oil circulation pipeline comprises a first circulation pipe (5), a second circulation pipe (6) and a third circulation pipe (7), one end of the first circulation pipe (5) is connected to a stern tube oil outlet c, the other end of the first circulation pipe is respectively connected with the second circulation pipe (6) and the third circulation pipe (7), the tail end of the second circulation pipe (6) is connected to a stern tube front oil inlet b, the tail end of the third circulation pipe (7) is connected to a stern tube rear oil inlet d, and a filter (8) and a pump (9) are arranged on the first circulation pipe (5);
The first circulation path is a path formed by the flowing of the lubricating oil through the first circulation pipe (5) and the second circulation pipe (6), and the second circulation path is a path formed by the flowing of the lubricating oil through the first circulation pipe (5) and the third circulation pipe (7).
7. The utility model provides a rear bearing lubricating oil sampling structure of stern shaft, characterized by, be provided with the lubricating oil circulation pipeline on the stern shaft, the lubricating oil circulation pipeline includes first circulating pipe (5), second circulating pipe (6) and third circulating pipe (7), one end of first circulating pipe (5) is connected to stern tube oil-out c, the other end links to each other with second circulating pipe (6) and third circulating pipe (7) respectively, the end of second circulating pipe (6) is connected to stern tube front oil inlet b, the end of third circulating pipe (7) is connected to stern tube rear oil inlet d, install filter (8) and pump (9) on the first circulating pipe (5);
The lubricating oil circulation pipeline comprises two circulation paths, namely a first circulation path and a second circulation path, wherein the first circulation path is a path formed by flowing back lubricating oil from an oil outlet c of a stern tube to the stern tube through a first circulation pipe (5) and a second circulation pipe (6), the second circulation path is a path formed by flowing back lubricating oil from a front oil inlet b of the stern tube to the stern tube, the second circulation path is a path formed by flowing back from an oil outlet c of the stern tube to an oil inlet d of the stern tube through a first circulation pipe (5) and a third circulation pipe (7), the connection point of the first circulation pipe (5) and the second circulation pipe (6) and the third circulation pipe (7) is a path bifurcation point a of the first circulation path and the second circulation path, a sampling pipeline (4) is separated from a pipeline positioned behind the point a on the third circulation pipe (7), a sampling valve (3) is arranged on the sampling pipeline (4), and a first control valve (1) is arranged on a pipeline between the installation position of the sampling pipeline and the point a.
8. The stern shaft rear bearing lubricating oil sampling structure according to claim 7, wherein a second control valve (2) is further installed on the pipeline between the installation position of the sampling pipeline and the point a, and the second control valve (2) is located behind the first control valve (1).
9. The stern shaft rear bearing lubricating oil sampling structure according to claim 8, wherein the first control valve (1) and the second control valve (2) are both arranged on a line of a third circulation pipe (7) located in the nacelle.
10. The stern shaft rear bearing lubricating oil sampling structure according to claim 7, wherein the first control valve (1) is provided on a line of a third circulation pipe (7) located in the nacelle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410637262.2A CN118565913A (en) | 2024-05-22 | 2024-05-22 | Tail shaft rear bearing lubricating oil sampling method and sampling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410637262.2A CN118565913A (en) | 2024-05-22 | 2024-05-22 | Tail shaft rear bearing lubricating oil sampling method and sampling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118565913A true CN118565913A (en) | 2024-08-30 |
Family
ID=92464955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410637262.2A Pending CN118565913A (en) | 2024-05-22 | 2024-05-22 | Tail shaft rear bearing lubricating oil sampling method and sampling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118565913A (en) |
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2024
- 2024-05-22 CN CN202410637262.2A patent/CN118565913A/en active Pending
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