CN109238106B - Tail shaft bracket inspection method and structure - Google Patents
Tail shaft bracket inspection method and structure Download PDFInfo
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- CN109238106B CN109238106B CN201811101401.0A CN201811101401A CN109238106B CN 109238106 B CN109238106 B CN 109238106B CN 201811101401 A CN201811101401 A CN 201811101401A CN 109238106 B CN109238106 B CN 109238106B
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- support arm
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- hub
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention provides a method for inspecting a tail shaft bracket, which is characterized in that an inner sample plate, an outer sample plate, a support arm section sample plate and an end sample plate are designed according to the line type and the structural characteristics of the tail shaft bracket, the line type and the size of each sample plate are the same as the contour line type and the size of the corresponding position of a standard tail shaft bracket, each sample plate is placed at the corresponding position of the tail shaft bracket, and the fitting degree of the sample plates and the tail shaft bracket is observed so as to judge whether the tail shaft bracket is qualified or not.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a method and a structure for inspecting a tail shaft bracket.
Background
The tail line of the ocean engineering ship is sharp and thin, and the cross-sectional line is V-shaped, so that a longer part of the tail shaft needs to be arranged outside the ship body, and a tail shaft frame needs to be arranged at the tail part of the ship body in order to ensure that the tail shaft and the propeller are relatively fixed. The tail shaft bracket is commonly called a propeller strut or a beauty bracket and is divided into a single-arm bracket and a double-arm bracket, and generally consists of a support arm and a shaft hub. The propeller mainly bears the weight of the tail shaft and the propeller, and simultaneously resists unbalanced force generated when the propeller works and impact of water flow at the tail of a ship body.
The tail shaft bracket is generally made of irregular steel castings and is cast by outsourcing factories. The accuracy of the structural line type of the tail shaft bracket is directly related to the propelling efficiency of the propeller, so the line type and the size of the steel casting of the tail shaft bracket must be checked. In the past, the tail shaft bracket steel casting cannot be accurately inspected, the size of the tail shaft bracket steel casting can be simply measured on the surface of the tail shaft bracket steel casting, the inspection effect is poor, and the problem of size deviation of the tail shaft bracket cannot be found and solved in time, so that the tail shaft bracket steel casting is difficult to assemble, the engineering progress is influenced, the propulsion efficiency is even reduced, and certain economic loss is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a simple and accurate method and structure for inspecting a tail shaft bracket.
In order to solve the technical problem, the method for inspecting the tail shaft bracket provided by the invention comprises the following steps:
the method comprises the following steps: designing an inner sample plate and an outer sample plate according to the contour line type and the size of a standard tail shaft frame, wherein the standard tail shaft frame comprises a standard support arm and a standard shaft hub, the line type of the inner sample plate is the intersection line of the inner side surface of the standard tail shaft frame and the plane where the center line of the standard support arm is located, the center line of the standard support arm is perpendicular to the axis of the standard shaft hub, and the line type of the outer sample plate is the intersection line of the outer side surface of the standard tail shaft frame and the plane where the center line of the standard support arm is located;
step two: the method comprises the following steps that a support arm section sample plate is designed according to the line type, the section and the size of a standard support arm, the support arm section sample plate comprises a support arm upper section sample plate and a support arm lower section sample plate, the support arm upper section sample plate and the support arm lower section sample plate are semi-annular, the line type of the support arm upper section sample plate is the intersection line of the upper side surface of the standard support arm and the section of the standard support arm, the section of the standard support arm is perpendicular to the plane where the center line of the standard support arm is located, the line type of the support arm lower section sample plate is the intersection line of the lower side surface of the standard support arm and the section of the standard support arm, and the support arm upper section sample plate;
step three: will interior sample plate place the medial surface that detects the propeller shaft rest outer sample plate is placed detect the lateral surface of propeller shaft rest, will support arm upper cross-section sample plate with the cross-section sample plate is placed respectively under the support arm upper and lower side of the support arm of detecting the propeller shaft rest observes interior sample plate outer sample plate support arm upper cross-section sample plate with support arm lower cross-section sample plate with detect the laminating degree of propeller shaft rest.
Further, the method also comprises the fourth step of: according to the standard support arm with the line type design tip model of standard shaft hub junction, the tip model includes shaft hub cross section model support arm cross section model, support arm end model and shaft hub end model, the line type of shaft hub cross section model for with the line of intersection of the axis vertically plane of standard shaft hub with the side of standard shaft hub, shaft hub end model with shaft hub cross section model be connected and follow the side of standard shaft hub extend to the junction of standard shaft hub with the standard support arm, support arm end model with support arm cross section model be connected and follow the side of standard support arm extend to the junction of standard shaft hub with the standard support arm, shaft hub end model with support arm end model is connected, will the tip model place on the shaft hub of detection tailstock and the support arm of detection tailstock, observe tip model with the shaft hub of detection tailstock, The degree of attachment of the support arm.
Further, the tip model includes upper end model and lower extreme model, the upper end model include the shaft hub on the cross-section model the support arm on the cross-section model, first support arm end model and first shaft hub end model, the shaft hub on the cross-section model first shaft hub end model first support arm end model with the support arm on the cross-section model connect gradually, the lower extreme model include the shaft hub under the cross-section model the support arm under cross-section model, second support arm end model and second shaft hub end model, the shaft hub under the cross-section model the second shaft hub end model the second support arm end model with the support arm under the cross-section model connect gradually, the shaft hub on the cross-section model with the shaft hub under the cross-section model respectively with the laminating of the both ends that the standard is relative.
Optionally, the support arm end template is parallel to the centerline of the standard support arm, and the hub end template is perpendicular to the axis of the standard hub.
The invention provides a test structure of a tail shaft bracket, which comprises an inner sample plate, an outer sample plate and a support arm section sample plate, wherein the size of the inner sample plate, the size of the outer sample plate and the size of the support arm section sample plate are equal to the contour size of a standard tail shaft bracket, the shape of the outer contour of the inner sample plate is equal to the shape of the inner contour of the standard tail shaft bracket, the shape of the inner contour of the outer sample plate is equal to the shape of the outer contour of the standard tail shaft bracket, the inner sample plate and the outer sample plate are parallel to the center line of a standard support arm of the standard tail shaft bracket and are positioned on the plane of the center line of the standard support arm, the support arm section sample plate comprises a support arm upper section sample plate and a support arm lower section sample plate, the support arm upper section sample plate and the support arm lower section sample plate are positioned on the same section and are both semi-circular, the inner contour shapes of the support, the cross section of the standard support arm is perpendicular to the plane of the center line of the standard support arm, two ends of the cross-section sample plate on the support arm are respectively contacted with the inner sample plate and the outer sample plate, and two ends of the cross-section sample plate under the support arm are respectively contacted with the inner sample plate and the outer sample plate.
Further comprises an end sample plate, wherein the end sample plate comprises a hub section sample plate, a support arm end sample plate and a hub end sample plate, the inner contour shape of the hub section templet is the same as the outer contour shape of the standard hub of the standard tail shaft bracket, the inner contour shape of the shaft hub end sample plate is the same as the outer contour shape of the standard shaft hub, the shaft hub end sample plate is connected with the shaft hub section sample plate and extends to the connecting position of the standard shaft hub and the standard support arm along the side surface of the standard shaft hub, the interior contour shape of support arm end model with the outline shape of standard support arm is the same, support arm end model with the support arm cross-section model is connected and is followed the side of support arm extends to standard shaft hub with the junction of standard support arm, shaft hub end model with support arm end model is connected.
Optionally, each arm is provided with at least three arm section templates.
The invention has the following beneficial effects:
1. according to the invention, the inner sample plate, the outer sample plate and the support arm section sample plate which are the same as the profile and the size of the standard tail shaft bracket are designed and are attached to the tail shaft bracket for inspection, so that the operation is simple, a measuring tool is not needed, the inspection error caused by the operation error is avoided, the operation is simple and reliable, the line type, the angle and the size of the tail shaft bracket can be inspected at one time, and the universality is good.
2. The invention also designs an end sample plate at the joint of the support arm and the hub, can test the angle and the line type of the joint of the support arm and the hub, solves the problem that a measuring tool is difficult to accurately test the joint, and tests the line type and the size of the hub.
Drawings
FIG. 1 is a schematic diagram of a design of a tail shaft bracket of an embodiment.
FIG. 2 is a schematic diagram of an inspection structure of a tail shaft bracket of an embodiment.
FIG. 3 is a schematic diagram of an embodiment of a support arm cross-section template.
Wherein, 1, a standard support arm; 2. a standard hub; 3. an inner sample plate; 4. an outer template; 5. a support arm section template; 501. a section template on the support arm; 502. a support arm lower section template; 6. an end template; 7. a section template on the shaft hub; 8. a first arm end template; 9. a first hub end template; 10. a shaft hub lower section template; 11. a second support arm end template; 12. a second arm end template.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1 and 2, the method for inspecting the tail shaft bracket of the embodiment includes the following steps:
the method comprises the following steps: an inner sample plate 3 and an outer sample plate 4 are designed according to the contour line type and the size of a standard tail shaft bracket, the standard tail shaft bracket comprises a standard support arm 1 and a standard shaft hub 2, the line type of the inner sample plate 3 is the intersection line of the plane where the inner side surface of the standard tail shaft bracket and the center line of the standard support arm 1 are located, the center line of the standard support arm 1 is perpendicular to the axis of the standard shaft hub 2, and the line type of the outer sample plate 4 is the intersection line of the outer side surface of the tail shaft bracket and the plane where the center line of the standard support arm 1 is located;
step two: the method comprises the following steps that a support arm cross-section sample plate 5 is designed according to the line type, the cross section and the size of a standard support arm 1, the support arm cross-section sample plate 5 comprises a support arm upper cross-section sample plate 501 and a support arm lower cross-section sample plate 502, the support arm upper cross-section sample plate 501 and the support arm lower cross-section sample plate 502 are both semi-annular, the line type of the support arm upper cross-section sample plate 501 is the intersection line of the upper side surface of the standard support arm 1 and the cross section of the standard support arm 1, the cross section of the standard support arm 1 is perpendicular to the plane where the center line of the standard support arm 1 is located, the line type of the support arm lower cross-section sample plate 502 is;
step three: the inner sample plate 3 is placed on the inner side face of the detection tail shaft frame, the outer sample plate 4 is placed on the outer side face of the detection tail shaft frame, the support arm upper section sample plate 501 and the support arm lower section sample plate 502 are respectively placed on the upper side face and the lower side face of the support arm of the detection tail shaft frame, and the attaching degree of the inner sample plate 3, the outer sample plate 4, the support arm upper section sample plate 501 and the support arm lower section sample plate 502 to the detection tail shaft frame is observed.
The profile of this embodiment through design and standard tail shaft frame, the same interior model 3 of size, outer model 4 and support arm cross-section model 5, inspect its laminating on the tail shaft frame, easy operation needn't use measuring tool, avoids the error of operation to cause the mistake of inspection, and is simple reliable, and can once only inspect the line type, angle and the size of tail shaft frame, and the commonality is good.
The embodiment further comprises the following fourth step: the end sample plate 6 is designed according to the line type of the joint of the standard support arm 1 and the standard shaft hub 2, the end sample plate 6 comprises a shaft hub section sample plate, a support arm end sample plate and a shaft hub end sample plate, the line type of the shaft hub section sample plate is an intersecting line of a plane perpendicular to the axis of the standard shaft hub 2 and the side surface of the standard shaft hub 2, the shaft hub end sample plate is connected with the shaft hub section sample plate and extends to the joint of the standard shaft hub 2 and the standard support arm 1 along the side surface of the standard shaft hub 2, the support arm end sample plate is connected with the support arm section sample plate and extends to the joint of the standard shaft hub 2 and the standard support arm 1 along the side surface of the standard support arm 1, the shaft hub end sample plate is connected with the support arm end sample plate, and the end sample plate is attached to the shaft hub and the support arm. The end portion sample plate comprises an upper end sample plate and a lower end sample plate, the upper end sample plate comprises a hub upper section sample plate 7, a first support arm end sample plate 8 and a first hub end sample plate 9, the hub upper section sample plate 7, the first hub end sample plate 9, the first support arm end sample plate 8 and a support arm upper section sample plate 501 are sequentially connected, the lower end sample plate comprises a hub lower section sample plate 10, a second support arm end sample plate 11 and a second hub end sample plate 12, the hub lower section sample plate 10, the second hub end sample plate 12, the second support arm end sample plate 11 and the support arm lower section sample 502 are sequentially connected, and the hub upper section sample plate 7 and the hub lower section sample plate 10 are respectively attached to two opposite ends of the standard hub 2. The end sample plate 6 at the joint of the standard support arm 1 and the standard shaft hub 2 can be used for detecting the angle and the line type of the joint of the standard support arm 1 and the standard shaft hub 2, the problem that a measuring tool is difficult to accurately detect the joint is solved, and the line type and the size of the standard shaft hub 2 are detected.
In this embodiment, the arm end template is parallel to the center line of the standard arm 1, and the hub end template is perpendicular to the axis of the standard hub 2.
The test structure of the tail shaft bracket provided by the embodiment comprises an inner sample plate 3, an outer sample plate 4 and a support arm cross-section sample plate 5, wherein the size of the inner sample plate 3, the size of the outer sample plate 4 and the size of the support arm cross-section sample plate 5 are equal to the contour size of a standard tail shaft bracket, the shape of the outer contour of the inner sample plate 3 is equal to the shape of the inner contour of the standard tail shaft bracket, the shape of the inner contour of the outer sample plate 4 is equal to the shape of the outer contour of the standard tail shaft bracket, the inner sample plate 3 and the outer sample plate 4 are parallel to the center line of a support arm 1 of the standard tail shaft bracket and are positioned on the plane of the center line of the support arm 1, the support arm cross-section sample plate 5 comprises a support arm upper cross-section sample plate 501 and a support arm lower cross-section sample plate 502, the support arm upper cross-section sample plate 501 and the support arm lower cross-section sample plate 502 are positioned on the same cross section, The outer template 4 is in contact with the inner template 3 and the outer template 4 at the two ends of the arm lower section template 502.
The test structure of the tail shaft bracket of the embodiment further comprises an end sample plate 6, wherein the end sample plate 6 comprises a shaft hub section sample plate, a support arm section sample plate 5, a support arm end sample plate and a shaft hub end sample plate, the inner contour shape of the shaft hub section sample plate is the same as the outer contour shape of a standard shaft hub 2 of a standard tail shaft bracket, the inner contour shape of the shaft hub end sample plate is the same as the outer contour shape of the standard shaft hub 2, the shaft hub end sample plate is connected with the shaft hub section sample plate and extends to the joint of the standard shaft hub 2 and a standard support arm 1 along the side surface of the standard shaft hub 2, the inner contour shape of the support arm end sample plate is the same as the outer contour shape of the standard support arm 1, the support arm end sample plate is connected with the support arm section sample plate 5 and extends to the joint of the standard shaft hub 2 and the standard support arm 1. In addition, each arm is provided with at least three arm section templates 5.
In conclusion, in the embodiment, the inner sample plate 3, the outer sample plate 4 and the support arm section sample plate 5 which are the same as the profile and the size of the standard tail shaft frame are designed and attached to the tail shaft frame for inspection, so that the operation is simple, a measuring tool is not needed, the inspection error caused by the operation error is avoided, the operation is simple and reliable, the line type, the angle and the size of the tail shaft frame can be inspected at one time, and the universality is good.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A method for inspecting a tail shaft bracket is characterized by comprising the following steps:
the method comprises the following steps: designing an inner sample plate and an outer sample plate according to the contour line type and the size of a standard tail shaft frame, wherein the standard tail shaft frame comprises a standard support arm and a standard shaft hub, the line type of the inner sample plate is the intersection line of the inner side surface of the standard tail shaft frame and the plane where the center line of the standard support arm is located, the center line of the standard support arm is perpendicular to the axis of the standard shaft hub, and the line type of the outer sample plate is the intersection line of the outer side surface of the standard tail shaft frame and the plane where the center line of the standard support arm is located;
step two: the method comprises the following steps that a support arm section sample plate is designed according to the line type, the section and the size of a standard support arm, the support arm section sample plate comprises a support arm upper section sample plate and a support arm lower section sample plate, the support arm upper section sample plate and the support arm lower section sample plate are semi-annular, the line type of the support arm upper section sample plate is the intersection line of the upper side surface of the standard support arm and the section of the standard support arm, the section of the standard support arm is perpendicular to the plane where the center line of the standard support arm is located, the line type of the support arm lower section sample plate is the intersection line of the lower side surface of the standard support arm and the section of the standard support arm, and the support arm upper section sample plate;
step three: will interior sample plate place the medial surface that detects the propeller shaft rest outer sample plate is placed detect the lateral surface of propeller shaft rest, will support arm upper cross-section sample plate with the cross-section sample plate is placed respectively under the support arm upper and lower side of the support arm of detecting the propeller shaft rest observes interior sample plate outer sample plate support arm upper cross-section sample plate with support arm lower cross-section sample plate with detect the laminating degree of propeller shaft rest.
2. The method for inspecting a creel truck according to claim 1, further comprising the fourth step of: according to the standard support arm with the line type design tip model of standard shaft hub junction, the tip model includes shaft hub cross section model support arm cross section model, support arm end model and shaft hub end model, the line type of shaft hub cross section model for with the line of intersection of the axis vertically plane of standard shaft hub with the side of standard shaft hub, shaft hub end model with shaft hub cross section model be connected and follow the side of standard shaft hub extend to the junction of standard shaft hub with the standard support arm, support arm end model with support arm cross section model be connected and follow the side of standard support arm extend to the junction of standard shaft hub with the standard support arm, shaft hub end model with support arm end model is connected, will the tip model place on the shaft hub of detection tailstock and the support arm of detection tailstock, observe tip model with the shaft hub of detection tailstock, The degree of attachment of the support arm.
3. The method for inspecting the tailstock according to claim 2, wherein the end sample plate comprises an upper end sample plate and a lower end sample plate, the upper end sample plate comprises an upper hub section sample plate, an upper support arm section sample plate, a first support arm end sample plate and a first hub end sample plate, the upper hub section sample plate, the first hub end sample plate, the first support arm end sample plate and the upper support arm section sample plate are sequentially connected, the lower end sample plate comprises a lower hub section sample plate, a lower support arm section sample plate, a second support arm end sample plate and a second hub end sample plate, the lower hub section sample plate, the second hub end sample plate, the second support arm end sample plate and the lower support arm section sample plate are sequentially connected, and the upper hub section sample plate and the lower support arm section sample plate are respectively attached to two opposite ends of the standard hub.
4. The method of claim 2, wherein the boom end template is parallel to a centerline of the standard boom and the hub end template is perpendicular to an axis of the standard hub.
5. A test structure of a tail shaft bracket, which is characterized by comprising an inner sample plate, an outer sample plate and a support arm section sample plate, wherein the size of the inner sample plate, the size of the outer sample plate and the size of the support arm section sample plate are equal to the contour size of a standard tail shaft bracket, the outer contour of the inner sample plate is the same as the shape of the inner contour of the standard tail shaft bracket, the inner contour of the outer sample plate is the same as the shape of the outer contour of the standard tail shaft bracket, the inner sample plate and the outer sample plate are parallel to the central line of a standard support arm of the standard tail shaft bracket and are positioned on the plane of the central line of the standard support arm, the support arm section sample plate comprises a support arm upper section sample plate and a support arm lower section sample plate, the support arm upper section sample plate and the support arm lower section sample plate are positioned on the same section and are both semi-annular, the inner contour shapes of the support arm upper section sample plate, the cross section of the standard support arm is perpendicular to the plane of the center line of the standard support arm, two ends of the cross-section sample plate on the support arm are respectively contacted with the inner sample plate and the outer sample plate, and two ends of the cross-section sample plate under the support arm are respectively contacted with the inner sample plate and the outer sample plate.
6. The tailstock test structure according to claim 5, further comprising an end template, wherein the end template comprises a hub section template, a support arm end template and a hub end template, the inner contour shape of the hub section template is the same as the outer contour shape of a standard hub of the standard tailstock, the inner contour shape of the hub end template is the same as the outer contour shape of the standard hub, the hub end template is connected with the hub section template and extends to the connection of the standard hub and the standard support arm along the side of the standard hub, the inner contour shape of the support arm end template is the same as the outer contour shape of the standard support arm, the support arm end template is connected with the support arm section template and extends to the connection of the standard hub and the standard support arm along the side of the support arm, the shaft hub end sample plate is connected with the support arm end sample plate.
7. The creel inspection structure of claim 5, wherein at least three of the arm section templates are provided on each arm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101401.0A CN109238106B (en) | 2018-09-20 | 2018-09-20 | Tail shaft bracket inspection method and structure |
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|---|---|---|---|
| CN201811101401.0A CN109238106B (en) | 2018-09-20 | 2018-09-20 | Tail shaft bracket inspection method and structure |
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| CN109238106B true CN109238106B (en) | 2020-10-23 |
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| CN112249257B (en) * | 2020-10-29 | 2022-06-28 | 广船国际有限公司 | Method for inspecting surface linear deviation of propeller shaft bracket casting |
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