CN111678499B - Method for measuring double slopes of rear bearing of stern tube - Google Patents
Method for measuring double slopes of rear bearing of stern tube Download PDFInfo
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- CN111678499B CN111678499B CN202010601522.2A CN202010601522A CN111678499B CN 111678499 B CN111678499 B CN 111678499B CN 202010601522 A CN202010601522 A CN 202010601522A CN 111678499 B CN111678499 B CN 111678499B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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Abstract
The invention discloses a method for measuring the double slopes of a stern tube rear bearing, which is simple to operate and convenient to construct, solves the problem of how to detect the double slopes of the stern tube rear bearing in the conventional ship, and can meet the shipbuilding precision. In some cases, the method can be expanded to the situation of measuring the inner hole inclination of the stern tube rear bearing after other stern tube rear bearings are assembled.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for measuring double slopes of a stern tube rear bearing.
Background
The stern tube bearing comprises a stern tube front bearing and a stern tube rear bearing, the interior of the stern tube rear bearing is usually designed with an inclination to reduce stress generated when the stern shaft operates, and on some ships, the stern tube rear bearing needs to be designed with two inclinations to meet the requirements of classification society. However, according to the requirements of the latest classification society, after the stern tube rear bearing is assembled, the double inclination of the rear bearing needs to be checked to ensure the assembly quality. How to detect the double-inclination of the rear bearing of the stern tube becomes a problem to be solved urgently.
Disclosure of Invention
In view of the above, the invention provides a method for measuring the double slopes of a stern tube rear bearing, which is used for solving the problem of how to detect the double slopes of the stern tube rear bearing in the conventional ship.
A method for measuring the double slopes of a stern tube rear bearing specifically comprises the following steps:
s1, selecting three measuring positions in the stern tube rear bearing along the length direction of the stern tube rear bearing, wherein the first measuring position is positioned on the rear end surface of the stern tube rear bearing, the second measuring position is positioned on any one position on a first inclined plane in the stern tube rear bearing, and the third measuring position is positioned on the front end surface of the stern tube rear bearing;
s2, respectively arranging one centering tool at the first measuring position, the second measuring position and the third measuring position, and adjusting the three centering tools to enable the target centers of the three centering tools to be located on the central line of the axle housing;
s3, measuring a straight-line distance L1 from the first measuring position to the inclined plane crossing position, a straight-line distance L2 between the inclined plane crossing position and the second measuring position, and a straight-line distance L3 between the inclined plane crossing position and the third measuring position;
s4, respectively measuring the deviation value A2 and the deviation value A3 at the respective positions by using the centering tools at the second measuring position and the third measuring position;
s5, calculating the slope K1 of the first inclined plane in the stern tube rear bearing according to the straight-line distance L2 between the inclined plane crossing position and the second measuring position, the straight-line distance L3 between the inclined plane crossing position and the third measuring position, the deviation value A2 and the deviation value A3;
s6, adjusting the target centers of the centering tools at the first measuring position, the second measuring position and the third measuring position to the central line of the rear bearing hole;
s7, measuring the deviation b of the position by using the centering tool at the first measuring position, and calculating the slope K2 of the second inclined plane in the stern tube rear bearing according to the slope K1 of the first inclined plane, the linear distance L1 from the first measuring position to the intersection position of the inclined planes and the deviation b.
Preferably, the slope K2 ═ a1/L1, a1 ═ b + K1 ═ L1, and K1 ═ a2/L2+ A3/L3)/2 of the second slope in the stern tube rear bearing.
A method for measuring the double slopes of a stern tube rear bearing specifically comprises the following steps:
s1, selecting three measuring positions in the stern tube rear bearing along the length direction of the stern tube rear bearing, wherein the first measuring position is positioned on the rear end surface of the stern tube rear bearing, the second measuring position is positioned on any one position on a first inclined plane in the stern tube rear bearing, and the third measuring position is positioned on the front end surface of the stern tube rear bearing;
s2, respectively arranging a centering tool at the first measuring position, the second measuring position and the third measuring position, and adjusting the three centering tools to enable the target centers of the three centering tools to be located on the central line of the shaft shell;
s3, measuring a straight-line distance L1 from the first measuring position to the inclined plane crossing position, a straight-line distance L2 between the inclined plane crossing position and the second measuring position, and a straight-line distance L3 between the inclined plane crossing position and the third measuring position;
s4, respectively measuring the deviation value A2 and the deviation value A3 at the respective positions by using the centering tools at the second measuring position and the third measuring position;
s5, calculating the slope K1 of the first inclined plane in the stern tube rear bearing according to the straight-line distance L2 between the inclined plane crossing position and the second measuring position, the straight-line distance L3 between the inclined plane crossing position and the third measuring position, the deviation value A2 and the deviation value A3;
s6, measuring the deviation value A at the position by using the centering tool at the first measuring position, calculating whether the A/L1 is smaller than the limit value of a second slope required by the classification society regulations, and if so, finishing the measuring work; on the contrary, the slope K2 of the second slope in the stern tube rear bearing is calculated according to the slope K1 of the first slope, the linear distance L1 from the first measuring position to the crossing position of the slopes and the deviation value A.
Preferably, the slope K2 ═ a-K1L 1)/L1, and K1 ═ a2/L2+ A3/L3)/2 of the second slope in the stern tube rear bearing.
Preferably, the inclined plane crossing position refers to a crossing position of a first inclined plane and a second inclined plane in the stern tube rear bearing.
Preferably, the specific steps of setting one centering tool at each of the first measurement position, the second measurement position and the third measurement position in step S2, and adjusting the three centering tools so that the center of the three centering tools are all located on the center line of the spindle housing include:
respectively placing a reference tool at the front end and the rear end of the stern tube shaft shell, and adjusting the two reference tools to enable the target centers of the two reference tools to be positioned on the center line of the shaft shell;
respectively placing a centering tool at a first measuring position, a second measuring position and a third measuring position in a stern tube rear bearing;
and adjusting the three centering tools, and simultaneously observing by using a telescope to enable the target centers of the three centering tools and the target centers of the two reference tools to be positioned on the same horizontal line.
Preferably, the reference tool has the same structure as the centering tool, and comprises an inner cylinder, an outer cylinder connected with the inner cylinder through a connecting piece, and a rotating rod movably arranged in the inner cylinder and capable of rotating in the circumferential direction, wherein a plurality of adjusting rods are uniformly arranged on the outer cylinder in the circumferential direction, and a dial indicator is mounted at the end of the rotating rod.
Preferably, the adjusting rod is in threaded connection with the outer cylinder, and the adjusting rod is adjusted along the radial direction of the outer cylinder.
The invention has the beneficial effects that:
the invention has simple operation and convenient construction, solves the problem of how to detect the double inclination of the stern tube rear bearing of the existing ship, and can meet the shipbuilding precision. In some cases, the method can be expanded to the situation of measuring the inner hole inclination of the stern tube rear bearing after other stern tube rear bearings are assembled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used 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 it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the centering tool.
Fig. 3 is a side view of the centering tool.
Fig. 4 is a schematic view of a turn of the turn bar in the stern tube rear bearing.
FIG. 5 is a schematic view of the installation of a centering target on a centering tool.
The reference numerals in the figures have the meaning:
the device comprises a shaft shell 1, a stern tube rear bearing 2, a stern tube front bearing 3, a telescope 4, an inner barrel 5, an outer barrel 6, a connecting piece 7, a rotating rod 8, an adjusting rod 9, a dial indicator 10, a centering tool 11, a centering target 12, a first inclined plane 13, a second inclined plane 14, a shaft shell central line 15 and a rear bearing hole central line 16.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "connected" and "fixed" are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment of the invention provides a method for measuring the double slopes of a stern tube rear bearing, which comprises the following steps:
s1, selecting three measuring positions in the stern tube rear bearing 2 along the length direction of the stern tube rear bearing 2, wherein the first measuring position is located at the rear end surface of the stern tube rear bearing 2, the second measuring position is located at any one position on the first inclined plane 13 in the stern tube rear bearing 2, and the third measuring position is located at the front end surface of the stern tube rear bearing 2.
And S2, respectively arranging a centering tool at the first measuring position, the second measuring position and the third measuring position, and adjusting the three centering tools to enable the target centers of the three centering tools to be positioned on the central line 15 of the shaft shell.
Specifically, the method comprises the following steps:
one reference tool is placed at the front end and the rear end of the stern tube shaft casing 1 respectively (i.e. one reference tool is placed at each of the two positions R0 and R1 in the figure).
The benchmark tool is the same as the centering tool in structure, and comprises an inner cylinder 5, an outer cylinder connected with the inner cylinder 5 through a connecting piece 7, and a rotating rod 8 movably arranged in the inner cylinder 5 and capable of rotating in the circumferential direction, wherein a dial indicator 10 is installed at the end part of the rotating rod 8. A plurality of adjusting rods 9 are uniformly arranged on the outer cylinder 6 along the circumferential direction of the outer cylinder, the adjusting rods 9 are in threaded connection with the outer cylinder 6, and the adjusting rods 9 are adjusted along the radial direction of the outer cylinder 6. In this embodiment, the outer cylinders of the reference tool and the centering tool are respectively fixed with 4 adjusting rods 9 by screw threads. When the reference tool or the centering tool is installed in the stern tube rear bearing 2, 4 adjusting rods 9 are supported on the inner wall of the bearing of the stern tube rear bearing 2. By screwing the adjusting rod 9, the overall height of the reference tool or centering tool can be adjusted.
The adjusting rods 9 of the reference tools are adjusted to enable the target centers of the two reference tools to be located on the central line 15 of the shaft housing, then the rotating rod 8 of the reference tools is rotated along the inner wall of the stern tube rear bearing 2 by taking the inner cylinder 5 as the center, the dial plate of the dial indicator 10 is fixed at the end part of the rotating rod 8, the center point of the dial indicator 10 to the center of the inner cylinder 5 is a fixed value, and the extension and retraction of the dial indicator 10 can enable the scale value indicated by the pointer in the dial indicator 10 to be correspondingly changed. Therefore, after the rotating rod 8 rotates one turn, when the numerical value pointed by the pointer of the dial indicator 10 changes within the required change range, the central point of the inner cylinder 5 is the theoretical central point R0 of the cross section, and the point R1 can be found out by the same method. And then taking the rotating rod 8 out of the inner cylinder 5, and replacing with a centering target 12 with scales, wherein the central point of the centering target 12 is the RO point.
After finding out the R0 and R1 points of the reference tools at the front end and the rear end of the stern tube shaft shell 1, simultaneously observing whether the central points of the target in the RO and the R1 are overlapped by using a telescope, and when the central points of the target 12 in the RO and the R1 are overlapped, the positions 1, R0 and R1 of the telescope are on the same straight line.
Then, respectively placing a centering tool at a first measuring position, a second measuring position and a third measuring position in the stern tube rear bearing 2;
the three centering tools are adjusted, and the target centers of the three centering tools and the target centers of the two reference tools are positioned on the same horizontal line by telescope observation at the same time, even if the target centers of the three centering tools are respectively positioned at S0, S2 and S3 (the adjustment process of the centering tools is the same as that of the reference tools).
S3, a straight-line distance L1 from the first measurement position to the slope crossing position, a straight-line distance L2 between the slope crossing position and the second measurement position, and a straight-line distance L3 between the slope crossing position and the third measurement position are measured.
When the distances L1, L2, and L3 are measured, the measurement can be performed by using a conventional measuring tool such as a ruler.
The inclined plane crossing position is the crossing position of a first inclined plane 13 and a second inclined plane 14 in the stern tube rear bearing.
S4, using the centering tools at the second measurement position and the third measurement position to measure the deviation value A2 and the deviation value A3 at their respective positions.
Specifically, taking the centering tool measurement deviation value a2 at the second measurement position as an example, the measurement process of the deviation value is described as follows:
and rotating a rotating rod 8 of the centering tool at a second measuring position along the inner wall of the stern tube rear bearing 2 by taking the inner cylinder 5 as a center, recording the reading of a pointer of a dial indicator 10 on the rotating rod 8, which is at the top of the inner wall of the stern tube rear bearing 2, and the reading of a pointer of the dial indicator 10, which is at the bottom of the inner wall of the stern tube rear bearing 2, and then calculating the difference of the two readings, namely the deviation value A2 (namely the distance from S2 to S2') at the second measuring position.
Similarly, a deviation value A3 (i.e., the distance from S3 to S3') at the third measurement location may be measured.
And S5, calculating the slope K1 of the first inclined plane 13 in the stern tube rear bearing and K1 (A2/L2+ A3/L3)/2 according to the linear distance L2 between the inclined plane crossing position and the second measuring position, the linear distance L3 between the inclined plane crossing position and the third measuring position, the deviation value A2 and the deviation value A3.
S6, removing the centering target on the centering tool with the centering target in step S2, and replacing it with a rotating rod, and adjusting the centers of the centering tools at the first, second and third measuring positions to the center line 16 of the rear bearing hole according to the method of finding the center point of RO in step S2 (even if the centers of the three centering tools are located at S0 ', S2 ', S3 ', respectively).
S7, measuring the deviation b of the position by using the centering tool at the first measuring position, and calculating the slope K2 of the second inclined plane 14 in the stern tube rear bearing according to the slope K1 of the first inclined plane, the linear distance L1 from the first measuring position to the inclined plane intersection position and the deviation b.
The slope K2 of the second inclined surface 14 in the stern tube rear bearing is a1/L1, and a1 is b + K1L 1.
In a second embodiment, the method for measuring the dual slope of the stern tube rear bearing in the present embodiment specifically includes the following steps:
s1, selecting three measuring positions in the stern tube rear bearing 2 along the length direction of the stern tube rear bearing 2, wherein the first measuring position is located at the rear end surface of the stern tube rear bearing 2, the second measuring position is located at any one position on the first inclined plane 13 in the stern tube rear bearing 2, and the third measuring position is located at the front end surface of the stern tube rear bearing 2.
And S2, respectively arranging a centering tool at the first measuring position, the second measuring position and the third measuring position, and adjusting the three centering tools to enable the target centers of the three centering tools to be positioned on the central line 15 of the shaft shell.
The adjustment steps of the three centering tools are the same as those in the first embodiment, and are not described in detail herein.
S3, a straight-line distance L1 from the first measurement position to the slope crossing position, a straight-line distance L2 between the slope crossing position and the second measurement position, and a straight-line distance L3 between the slope crossing position and the third measurement position are measured.
The inclined plane crossing position is the crossing position of the first inclined plane 13 and the second inclined plane 14 in the stern tube rear bearing 2.
S4, using the centering tools at the second measurement position and the third measurement position to measure the deviation value a2 and the deviation value A3 at their respective positions, the measurement steps are the same as those in the first embodiment, and are not described herein again.
And S5, calculating the slope K1 of the first inclined plane in the stern tube rear bearing and K1 (A2/L2+ A3/L3)/2 according to the linear distance L2 between the inclined plane crossing position and the second measuring position, the linear distance L3 between the inclined plane crossing position and the third measuring position, the deviation value A2 and the deviation value A3.
S6, measuring the deviation value A at the position by using the centering tool at the first measuring position, calculating whether the A/L1 is smaller than the limit value of a second slope required by the classification society regulations, and if so, finishing the measuring work; on the contrary, the slope K2 of the second slope in the stern tube rear bearing is calculated according to the slope K1 of the first slope, the linear distance L1 from the first measuring position to the crossing position of the slopes and the deviation value A.
The slope K2 of the second bevel 14 in the stern tube rear bearing (a-K1L 1)/L1,
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A method for measuring the double slopes of a stern tube rear bearing is characterized by comprising the following steps:
s1, selecting three measuring positions in the stern tube rear bearing along the length direction of the stern tube rear bearing, wherein the first measuring position is positioned on the rear end surface of the stern tube rear bearing, the second measuring position is positioned on any one position on a first inclined plane in the stern tube rear bearing, and the third measuring position is positioned on the front end surface of the stern tube rear bearing;
s2, respectively arranging one centering tool at the first measuring position, the second measuring position and the third measuring position, and adjusting the three centering tools to enable the target centers of the three centering tools to be located on the central line of the axle housing;
s3, measuring a straight-line distance L1 from the first measuring position to the inclined plane crossing position, a straight-line distance L2 between the inclined plane crossing position and the second measuring position, and a straight-line distance L3 between the inclined plane crossing position and the third measuring position;
s4, respectively measuring the deviation value A2 and the deviation value A3 at the respective positions by using the centering tools at the second measuring position and the third measuring position;
s5, calculating the slope K1 of the first inclined plane in the stern tube rear bearing according to the straight-line distance L2 between the inclined plane crossing position and the second measuring position, the straight-line distance L3 between the inclined plane crossing position and the third measuring position, the deviation value A2 and the deviation value A3;
s6, adjusting the target centers of the centering tools at the first measuring position, the second measuring position and the third measuring position to the central line of the rear bearing hole;
s7, measuring the deviation b of the position by using the centering tool at the first measuring position, and calculating the slope K2 of the second inclined plane in the stern tube rear bearing according to the slope K1 of the first inclined plane, the linear distance L1 from the first measuring position to the intersection position of the inclined planes and the deviation b.
2. The method of measuring twin slope of stern tube rear bearing as claimed in claim 1, wherein the slope of the second slope in the stern tube rear bearing K2= a1/L1, a1= b + K1 × L1, K1= (a2/L2+ A3/L3)/2.
3. A method for measuring the double slopes of a stern tube rear bearing is characterized by comprising the following steps:
s1, selecting three measuring positions in the stern tube rear bearing along the length direction of the stern tube rear bearing, wherein the first measuring position is positioned on the rear end surface of the stern tube rear bearing, the second measuring position is positioned on any one position on a first inclined plane in the stern tube rear bearing, and the third measuring position is positioned on the front end surface of the stern tube rear bearing;
s2, respectively arranging a centering tool at the first measuring position, the second measuring position and the third measuring position, and adjusting the three centering tools to enable the target centers of the three centering tools to be located on the central line of the shaft shell;
s3, measuring a straight-line distance L1 from the first measuring position to the inclined plane crossing position, a straight-line distance L2 between the inclined plane crossing position and the second measuring position, and a straight-line distance L3 between the inclined plane crossing position and the third measuring position;
s4, respectively measuring the deviation value A2 and the deviation value A3 at the respective positions by using the centering tools at the second measuring position and the third measuring position;
s5, calculating the slope K1 of the first inclined plane in the stern tube rear bearing according to the straight-line distance L2 between the inclined plane crossing position and the second measuring position, the straight-line distance L3 between the inclined plane crossing position and the third measuring position, the deviation value A2 and the deviation value A3;
s6, measuring the deviation value A at the position by using the centering tool at the first measuring position, calculating whether the A/L1 is smaller than the limit value of a second slope required by the classification society regulations, and if so, finishing the measuring work; on the contrary, the slope K2 of the second slope in the stern tube rear bearing is calculated according to the slope K1 of the first slope, the linear distance L1 from the first measuring position to the crossing position of the slopes and the deviation value A.
4. The method for measuring the double slope of the stern tube rear bearing as claimed in claim 3, wherein the slope of the second slope in the stern tube rear bearing K2= (A-K1 x L1)/L1, K1= (A2/L2+ A3/L3)/2.
5. The method of claim 1 or 3, wherein the bevel crossing position is the crossing position of a first bevel and a second bevel in the stern tube rear bearing.
6. The method for measuring the twin slope of the stern tube rear bearing according to claim 1 or 3, wherein in step S2, a centering tool is respectively arranged at the first measuring position, the second measuring position and the third measuring position, and the three centering tools are adjusted so that the center of gravity of the three centering tools is located on the center line of the shaft housing by the specific steps of:
respectively placing a reference tool at the front end and the rear end of the stern tube shaft shell, and adjusting the two reference tools to enable the target centers of the two reference tools to be positioned on the center line of the shaft shell;
respectively placing a centering tool at a first measuring position, a second measuring position and a third measuring position in a stern tube rear bearing;
and adjusting the three centering tools, and simultaneously observing by using a telescope to enable the target centers of the three centering tools and the target centers of the two reference tools to be positioned on the same horizontal line.
7. The method for measuring the twin slope of the stern tube rear bearing as claimed in claim 6, wherein the reference tool has the same structure as the centering tool, and comprises an inner cylinder, an outer cylinder connected with the inner cylinder through a connector, and a rotating rod movably arranged in the inner cylinder and capable of rotating in the circumferential direction, wherein a plurality of adjusting rods are uniformly arranged on the outer cylinder along the circumferential direction, and a dial indicator is mounted at the end of the rotating rod.
8. The method for measuring the twin slope of the stern tube rear bearing as claimed in claim 7, wherein the adjusting rod is threadedly coupled to the outer cylinder, and the adjusting rod is adjusted in a radial direction of the outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601522.2A CN111678499B (en) | 2020-06-29 | 2020-06-29 | Method for measuring double slopes of rear bearing of stern tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601522.2A CN111678499B (en) | 2020-06-29 | 2020-06-29 | Method for measuring double slopes of rear bearing of stern tube |
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| Publication Number | Publication Date |
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| CN111678499A CN111678499A (en) | 2020-09-18 |
| CN111678499B true CN111678499B (en) | 2022-02-22 |
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| CN202010601522.2A Active CN111678499B (en) | 2020-06-29 | 2020-06-29 | Method for measuring double slopes of rear bearing of stern tube |
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| CN114413845B (en) * | 2021-12-16 | 2024-04-02 | 上海江南长兴造船有限责任公司 | Method for measuring ship stern tube bearing slope in internal field |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457527A (en) * | 2014-12-26 | 2015-03-25 | 渤海船舶重工有限责任公司 | Ship stern bearing inner hole bevel detecting method |
| CN106813556A (en) * | 2015-11-27 | 2017-06-09 | 上海船厂船舶有限公司 | Adjusting means, the measurement apparatus containing it, measuring method |
| CN110926418A (en) * | 2019-10-22 | 2020-03-27 | 广州文冲船厂有限责任公司 | Method, device, medium and terminal equipment for actually measuring inclination of stern tube bearing |
| CN110955937A (en) * | 2019-10-22 | 2020-04-03 | 广州文冲船厂有限责任公司 | Stern tube bearing inclination simulation calculation method, device, medium and terminal equipment |
-
2020
- 2020-06-29 CN CN202010601522.2A patent/CN111678499B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457527A (en) * | 2014-12-26 | 2015-03-25 | 渤海船舶重工有限责任公司 | Ship stern bearing inner hole bevel detecting method |
| CN106813556A (en) * | 2015-11-27 | 2017-06-09 | 上海船厂船舶有限公司 | Adjusting means, the measurement apparatus containing it, measuring method |
| CN110926418A (en) * | 2019-10-22 | 2020-03-27 | 广州文冲船厂有限责任公司 | Method, device, medium and terminal equipment for actually measuring inclination of stern tube bearing |
| CN110955937A (en) * | 2019-10-22 | 2020-04-03 | 广州文冲船厂有限责任公司 | Stern tube bearing inclination simulation calculation method, device, medium and terminal equipment |
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