CN220096567U - Corner structure of opening corner of side door and window on double-arc-shaped mail wheel - Google Patents
Corner structure of opening corner of side door and window on double-arc-shaped mail wheel Download PDFInfo
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- CN220096567U CN220096567U CN202321669828.7U CN202321669828U CN220096567U CN 220096567 U CN220096567 U CN 220096567U CN 202321669828 U CN202321669828 U CN 202321669828U CN 220096567 U CN220096567 U CN 220096567U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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Abstract
The utility model provides a corner structure of a side door and window opening corner built on a double-arc postal wheel, which is positioned at four corners of the door and window opening, wherein the corner structures at the four corners are symmetrically arranged about the center of the door and window opening, each corner structure comprises a first arc line segment and a second arc line segment at the edge facing the center side of the door and window opening, the first arc line segment is an arc line segment of an ellipse tangent to the horizontal edge of the door and window opening at the corner, the end point of one end of the first arc line segment is a tangent point of the ellipse to the horizontal edge of the door and window opening, and the other end of the first arc line segment is connected with the second arc line segment; the second arc line section is circumscribed with the ellipse, and the tangent point of the second arc line section and the ellipse is the tie point of the first arc line section and the second arc line section, and the other end of the second arc line section is located the vertical edge of door and window opening, and tangent with the vertical edge, and it reduces the side wall opening corner stress level by a wide margin under the prerequisite of guaranteeing the installation of the balcony door and window of mail steamer, reduces the quantity and the board thickness of corner department inserted board.
Description
Technical Field
The utility model relates to the technical field of ship manufacturing, in particular to a corner structure at an opening corner of a side door and window on a double-arc-shaped mail wheel.
Background
The large-scale mail wheel superstructure is provided with enough balcony sea Jing Fang generally, leads to superstructure lateral wall structure to have a large amount of and intensive door and window openings, and total opening area reaches 40-50% of lateral wall area, leads to this structural in-plane shear rigidity to reduce by a wide margin, and mail wheel side planking is the main route of main hull transfer shear force to superstructure, and under the extreme operating mode of mail wheel, a large amount of door and window opening corner on lateral wall can appear obvious stress concentration phenomenon, leads to corner structural strength to fail to satisfy the requirement.
In order to reduce stress concentration at the open corners of the side walls of the upper buildings of the postal wheel, a section of arc transition tangential to the horizontal edges and the vertical edges of the side walls of the upper buildings is usually adopted, as shown in fig. 1, or an arc cat-ear type corner is adopted, as shown in fig. 2, wherein 5 and 6 are upper building decks, 7 and 8 are upper building side wall frame structures, 9 are upper building side wall longitudinal ribs, 10 and 11 are door and window opening edge reinforcing ribs, and R is the arc radius of the open corners. The stress concentration coefficient of the opening corner is inversely proportional to the radius of the arc of the opening corner, but the opening of the side wall of the superstructure needs to be provided with a glass door or window for a room to a balcony, and the radius of the arc of the opening corner of the side wall of the superstructure is not too large in terms of practicality and aesthetic property. Although the stress concentration coefficient can be reduced by the conventional processing method of opening corners, there are also a large number of opening corners where the structural stress level cannot meet the strength requirement, and the structural reinforcement can be performed only by replacing the insert plates, which brings huge additional construction amount to shipyards, and the welding of a large number of insert plates on the side wall plates also causes the problem of deformation of the outer plates, and in addition, some corners where the stress level is too high need to be reinforced by using insert plates with 3 times or even 4 times of the side wall plates, which causes the problem of insufficient transition space between the thin plates and the thick plates.
Disclosure of Invention
In view of the above-mentioned problems in the prior art, embodiments of the present utility model provide a corner structure at the open corner of a side door window on a double-arc-shaped mail wheel, which greatly reduces the stress level at the open corner of the side wall and reduces the number and thickness of the inserted boards at the corner under the premise of ensuring the installation of the side door window on the balcony of the mail wheel.
The embodiment of the utility model provides a corner structure of a side door and window opening corner of a double-arc postal wheel, which is positioned at four corners of the door and window opening, and the corner structures at the four corners are symmetrically arranged relative to the center of the door and window opening, in particular,
each corner structure comprises a first arc segment and a second arc segment at the edge facing the center side of the door and window opening, wherein,
the first arc line segment is an arc line segment of an ellipse tangent to the horizontal edge of the door and window opening at a corner, the end point of one end of the first arc line segment is a tangent point of the ellipse tangent to the horizontal edge of the door and window opening, and the other end of the first arc line segment is connected with the second arc line segment;
the second arc line segment is circumscribed with the ellipse, and the tangent point of the second arc line segment and the ellipse is the tie point of the first arc line segment and the second arc line segment, the other end of the second arc line segment is located the vertical edge of door and window opening, and tangent with the vertical edge.
In some embodiments of the present utility model, an included angle between a connecting line of the connecting point of the first arc segment and the second arc segment and the center of the ellipse and a horizontal plane is between 17 degrees and 23 degrees.
In some embodiments of the utility model, the semi-major axis of the ellipse is in a horizontal direction, the semi-minor axis is in a vertical direction, and the ratio of the semi-major axis to the semi-minor axis ranges from 1.6 to 1.7.
In some embodiments of the utility model, the length of the semi-major axis ranges between 200mm and 300 mm.
In some embodiments of the utility model, the distance between the semi-minor axis and the vertical edge of the corresponding door and window opening at the corner is 0.35 to 0.45 times the length of the semi-major axis.
Compared with the prior art, the double-arc postal wheel upper side door and window opening corner structure has the beneficial effects that: the stress of the opening corners of the side doors and windows on the postal wheel can be reduced by 15-25%, and meanwhile, the use of the inserting plates at the opening corners and the thickness of the inserting plates are reduced, so that the welding construction amount of a shipyard is reduced, and the deformation problem of the outer plates caused by welding is reduced; in addition, the fatigue strength at the corners can be improved due to the reduction of the maximum stress range.
Drawings
FIG. 1 is a schematic view of a prior art construction of a side wall opening corner of a postal wheel superstructure;
FIG. 2 is another schematic view of a prior art wheel superstructure sidewall opening corner structure;
FIG. 3 is a schematic view of a corner structure at the open corner of a side door and window on a double-arc cruise ship according to an embodiment of the present utility model;
fig. 4 is an enlarged schematic view of the structure at a in fig. 3.
Reference numerals
1. A corner structure; 2. a first arc segment; 3. a second arc segment; 4. a connection point; 5. an upper building deck positioned at the upper part of the door and window opening; 6. an upper building deck positioned at the lower part of the door and window opening; 7. a side wall frame structure of an upper building at one side of the door and window opening; 8. a strong frame structure of the side wall of the superstructure at the other side of the door and window opening; 9. the side wall longitudinal frame of the superstructure; 10. an opening edge reinforcing rib at one side of the opening of the door and window; 11. opening edge reinforcing ribs on the other side of the door and window opening.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and detailed description to enable those skilled in the art to better understand the technical scheme of the present utility model.
Various aspects and features of the present utility model are described herein with reference to the accompanying drawings.
These and other characteristics of the utility model will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It is also to be understood that, although the utility model has been described with reference to some specific examples, a person skilled in the art will certainly be able to achieve many other equivalent forms of the utility model, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present utility model will become more apparent in light of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present utility model will be described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the utility model, which can be embodied in various forms. Well known and/or repeated functions and constructions are not described in detail to avoid obscuring the utility model in unnecessary or unnecessary detail from historical operations of the user. Therefore, specific structural and functional details disclosed herein are not intended to be limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present utility model in virtually any appropriately detailed structure.
The specification may use the word "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the utility model.
The embodiment of the utility model provides a corner structure for building a side door and window opening corner on a double-arc-shaped mail wheel, as shown in fig. 3 and 4, the corner structure 1 is positioned at four corners of the door and window opening, the corner structures 1 at the four corners are symmetrically arranged about the center of the door and window opening, specifically, each corner structure 1 comprises a first arc segment 2 and a second arc segment 3 at the edge of the center side facing the door and window opening, wherein the first arc segment 2 is an arc segment of an ellipse tangent to the horizontal edge of the door and window opening at the corner, the end point of one end of the arc segment is a tangent point of the ellipse tangent to the horizontal edge of the door and window opening, and the other end of the arc segment is connected with the second arc segment 3; the second arc segment 3 and the ellipse are circumscribed, and the tangent point of the second arc segment 3 and the ellipse is the connecting point 4 of the first arc segment 2 and the second arc segment 3, which can be represented by N, and the other end of the second arc segment 3 is located on the vertical edge of the door and window opening and tangent to the vertical edge.
In some embodiments of the present utility model, the included angle between the connecting line between the connecting point 4 of the first arc segment 2 and the second arc segment 3 and the center of the ellipse and the horizontal plane is between 17 degrees and 23 degrees, and of course, the range of the included angle may be properly widened according to the actual use requirement, for example, between 15 degrees and 25 degrees.
Further, in some embodiments of the present utility model, the semi-major axis of the ellipse is in the horizontal direction, the semi-minor axis is in the vertical direction, and the ratio of the semi-major axis to the semi-minor axis ranges from 1.6 to 1.7, that is, if the semi-major axis of the ellipse is denoted by a and the semi-minor axis of the ellipse is denoted by b, the ratio of the semi-major axis a to the semi-minor axis b ranges from 1.6 to 1.7, and of course, the ratio range may be appropriately enlarged according to the actual use requirement, for example, between 1.4 and 1.9. As an example, the length of the semi-major axis ranges from 200mm to 300mm, and in the actual design process, the length of the semi-major axis may be appropriately enlarged according to actual needs, for example, from 150mm to 350 mm.
In this embodiment, the distance between the semi-minor axis and the vertical edge of the corresponding door/window opening at the corner is 0.35 to 0.45 times the length of the semi-major axis, i.e., may be expressed as 0.35a to 0.45a.
Compared with the prior art, the double-arc postal wheel upper side door and window opening corner structure has the beneficial effects that: the stress of the opening corners of the side doors and windows on the postal wheel can be reduced by 15-25%, and meanwhile, the use of the inserting plates at the opening corners and the thickness of the inserting plates are reduced, so that the welding construction amount of a shipyard is reduced, and the deformation problem of the outer plates caused by welding is reduced; in addition, the fatigue strength at the corners can be improved due to the reduction of the maximum stress range.
The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this utility model will occur to those skilled in the art, and are intended to be within the spirit and scope of the utility model.
Claims (5)
1. A corner structure of a side door and window opening corner of a double-arc-shaped mail wheel, which is characterized in that the corner structure is positioned at four corners of the door and window opening, and the corner structures at the four corners are symmetrically arranged about the center of the door and window opening, in particular,
each corner structure comprises a first arc segment and a second arc segment at the edge facing the center side of the door and window opening, wherein,
the first arc line segment is an arc line segment of an ellipse tangent to the horizontal edge of the door and window opening at a corner, the end point of one end of the first arc line segment is a tangent point of the ellipse tangent to the horizontal edge of the door and window opening, and the other end of the first arc line segment is connected with the second arc line segment;
the second arc line segment is circumscribed with the ellipse, and the tangent point of the second arc line segment and the ellipse is the tie point of the first arc line segment and the second arc line segment, the other end of the second arc line segment is located the vertical edge of door and window opening, and tangent with the vertical edge.
2. The corner structure of the opening corner of the side door and window on the double arc-shaped mail wheel according to claim 1, wherein,
and an included angle between a connecting line of the connecting point of the first arc line segment and the second arc line segment and the circle center of the ellipse and the horizontal plane is between 17 degrees and 23 degrees.
3. The corner structure of the opening corner of the side door and window on the double arc-shaped mail wheel according to claim 1, wherein,
the semimajor axis of the ellipse is in the horizontal direction, the semiminor axis is in the vertical direction, and the ratio of the semimajor axis to the semiminor axis ranges from 1.6 to 1.7.
4. The corner structure of the opening corner of the side door and window on the double arc-shaped mail wheel according to claim 3, wherein,
the length of the semi-major axis ranges from 200mm to 300 mm.
5. The corner structure of the opening corner of the side door and window on the double arc-shaped mail wheel according to claim 3, wherein,
the distance between the semi-minor axis and the vertical edge of the door and window opening corresponding to the corner is 0.35 to 0.45 times of the length of the semi-major axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669828.7U CN220096567U (en) | 2023-06-28 | 2023-06-28 | Corner structure of opening corner of side door and window on double-arc-shaped mail wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669828.7U CN220096567U (en) | 2023-06-28 | 2023-06-28 | Corner structure of opening corner of side door and window on double-arc-shaped mail wheel |
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| Publication Number | Publication Date |
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| CN220096567U true CN220096567U (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321669828.7U Active CN220096567U (en) | 2023-06-28 | 2023-06-28 | Corner structure of opening corner of side door and window on double-arc-shaped mail wheel |
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| Country | Link |
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| CN (1) | CN220096567U (en) |
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2023
- 2023-06-28 CN CN202321669828.7U patent/CN220096567U/en active Active
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