CN210793506U - Strong beam, deck structure and ship - Google Patents
Strong beam, deck structure and ship Download PDFInfo
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- CN210793506U CN210793506U CN201921969902.0U CN201921969902U CN210793506U CN 210793506 U CN210793506 U CN 210793506U CN 201921969902 U CN201921969902 U CN 201921969902U CN 210793506 U CN210793506 U CN 210793506U
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Abstract
The utility model relates to a boats and ships arrangement technical field especially relates to a strong crossbeam, deck structure and boats and ships. This strong crossbeam has seted up first ending crack groove including the first avris that is close to the pillar and the second avris that is close to the deck, the notch in first ending crack groove including set up in the first opening on first avris and set up in the second opening on second avris. The deck structure comprises the strong beam. The ship comprises the deck structure. An object of the utility model is to provide a strong crossbeam, deck structure and boats and ships to alleviate the technical problem that the fatigue crack easily appears in welding seam metal department on the strong crossbeam that exists among the prior art.
Description
Technical Field
The utility model belongs to the technical field of boats and ships arrangement structure technique and specifically relates to a strong crossbeam, deck structure and boats and ships are related to.
Background
Fatigue cracks are likely to occur in high stress regions of the hull structure under the action of cyclic loads such as wind, wave, and ship cargo loads. The junction of the longitudinal and transverse members is typically a high stress region.
In the following, a roll-on/roll-off will be described as an example, and it should be noted that the roll-off phenomenon is one of the main causes of fatigue of the roll-on/roll-off. Specifically, referring to fig. 1 and 2, fig. 1 is one of the schematic structural diagrams of the connection between the strut and the strong cross beam of the prior art car ro-ro vessel, and fig. 2 is a second schematic structural diagram of the connection between the strut and the strong cross beam of the prior art car ro-ro vessel, wherein the strut 3 ' and the strong cross beam 4 ' are connected by welding, so that a first weld metal 1 ' is disposed between the strut 3 ' and the strong cross beam 4 ', a deck (not shown) is disposed above the strong cross beam 4 ', and the deck and the strong cross beam 4 ' are connected by welding, so that a second weld metal 2 ' is disposed between the deck and the strong cross beam 4 '. Since the first weld metal 1 'and the second weld metal 2' are weak in structural strength, the fatigue strength at the first weld metal 1 'and the second weld metal 2' is low, and fatigue cracks are likely to occur.
In the prior art, the above problems are generally alleviated by increasing the thickness of the strut 3 'and/or the strong beam 4' or by arranging a toggle plate between the strut 3 'and the strong beam 4', but the improvement of the fatigue of the first weld metal 1 'and the second weld metal 2' by simply increasing the thickness of the strut 3 'and/or the strong beam 4' is small, and the construction difficulty and the cost of the strut 3 'and the strong beam 4' are increased.
The present application thus provides a new strong beam, deck structure and vessel that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a strong crossbeam to alleviate the technical problem that fatigue crack easily appears in the welding seam metal department on the strong crossbeam that exists among the prior art.
A second object of the present invention is to provide a deck structure to further alleviate the technical problem that fatigue cracks easily appear in the weld metal position on the strong beam existing in the prior art.
A third object of the present invention is to provide a ship to further alleviate the technical problem that fatigue cracks easily appear in the weld metal on the strong beam existing in the prior art.
Based on above-mentioned first purpose, the utility model provides a strong crossbeam, this strong crossbeam include the first avris that is close to the pillar and the second avris that is close to the deck, first ending groove has been seted up to the strong crossbeam, the notch in first ending groove including set up in the first opening of first avris with set up in the second opening of second avris.
Furthermore, in the strong beam, along the extending direction of the first crack stop groove, the projection of the first crack stop groove is rectangular.
Furthermore, in the strong cross beam, a second crack stop groove is formed in the groove bottom of the first crack stop groove along the extending direction of the first crack stop groove.
Furthermore, in the strong cross beam, the groove wall surface of the second crack stop groove is a smooth transition surface.
Furthermore, in the strong cross beam, along the extending direction of the second crack arrest groove, the projected molded line of the second crack arrest groove sequentially comprises a first straight line, an arc line and a second straight line, and the first straight line and the second straight line are both tangent to the arc line;
the first straight line and the second straight line are both connected to the molded line of the first crack arrest groove.
Further, in the strong beam, the first straight line is parallel to the first side, and the second straight line is parallel to the second side.
Adopt above-mentioned technical scheme, the utility model discloses a strong crossbeam has following beneficial effect:
when assembling strong crossbeam to boats and ships, weld pillar and deck and strong crossbeam respectively, consequently form first welding seam metal between pillar and the strong crossbeam, form second welding seam metal between deck and the strong crossbeam, and first crack arrest groove is through first opening and pillar intercommunication and through second opening and deck intercommunication.
Wherein, the arrangement of the first opening and the second opening of the first crack-stop groove enables the flexible transition of the joint of the strong beam and the pillar, and provides space for the deformation of the pillar, that is, when the ship generates a rolling phenomenon to deform the strut, the strut can swing or rotate into the first crack stop groove through the first opening and the second opening, namely, the first crack stop groove provides a release space for the deformation stress of the strut, specifically, the deformation of the strut is transmitted to the first weld metal after being released through the first opening and is transmitted to the second weld metal after being released through the second opening, therefore, the stress applied to the first welding seam metal and the second welding seam metal by the support is reduced, the fatigue problem of the first welding seam metal and the second welding seam metal is improved, and the technical problem that the fatigue crack is easy to occur at the welding seam metal on the strong cross beam in the prior art is solved.
To sum up, the fatigue problem of the first weld metal and the second weld metal can be alleviated through the arrangement of the first crack arrest groove, the thickness of the strong cross beam does not need to be increased, the construction difficulty and the cost of the strong cross beam are reduced, and the toggle plate does not need to be arranged, so that the lane area is not occupied, and the economic benefit of the ship is improved.
Based on above-mentioned second purpose, the utility model provides a deck structure, including pillar, deck and strong crossbeam, the pillar connect in the first avris of strong crossbeam is close to first opening part, the deck connect in strong horizontal second avris.
Furthermore, in the deck structure, the deck structure further comprises a toggle plate, and two ends of the toggle plate are respectively connected to the support column and the strong cross beam.
Further, in the deck structure, both toe ends of the toggle plate are soft toe ends.
Adopt above-mentioned technical scheme, the utility model discloses a deck structure has following beneficial effect: by providing the above-mentioned strong beam in the deck structure, the deck structure accordingly has all the advantages of the above-mentioned strong beam, which are not described in detail herein.
Based on the third objective, the utility model provides a ship, include deck structure.
Adopt above-mentioned technical scheme, the utility model discloses a boats and ships have following beneficial effect: by providing the above-mentioned deck structure in the vessel, the vessel accordingly has all the advantages of the above-mentioned deck structure, which will not be described in detail herein.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is one of the schematic structural views of a strut and beam connection of a prior art roll-on-roll-off vehicle;
FIG. 2 is a second schematic structural view of a strut and beam connection of a prior art roll-on/roll-off vehicle;
fig. 3 is a schematic structural diagram of a connection between a pillar and a strong beam according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion of the connection between the support column and the strong beam shown in fig. 3.
Reference numerals:
1' -a first weld metal; 2' -a second weld metal; 3' -a pillar; 4' -a strong beam;
1-a strong beam; 11-a first anti-crack groove; 111-a first opening; 112-a second opening; 12-first side; 13-second side; 14-a second anti-crack groove;
AB-first straight line; BC-circular arc line; CD-second straight line;
2-a pillar;
31-a first weld metal; 32-second weld metal;
4-toggle plate; 41-toe end.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 3 and 4, the present embodiment provides a strong beam 1, the strong beam 1 includes a first side 12 close to the pillar 2 and a second side 13 close to the deck, the strong beam 1 is opened with a first anti-crack slot 11, and the notch of the first anti-crack slot 11 includes a first opening 111 disposed on the first side 12 and a second opening 112 disposed on the second side 13.
When the strong beam 1 is assembled to the ship, the columns 2 and the deck (not shown in the drawings) are welded to the strong beam 1, respectively, so that a first weld metal 31 is formed between the columns 2 and the strong beam 1, a second weld metal 32 is formed between the deck and the strong beam 1, and the first crack arrest grooves 11 communicate with the columns 2 through the first openings 111 and communicate with the deck through the second openings 112.
Wherein, the first opening 111 and the second opening 112 of the first anti-crack slot 11 are arranged to make the connection between the strong beam 1 and the pillar 2 transition flexibly, so as to provide a space for deformation of the pillar 2, for example, please refer to fig. 3 and 4, when the ship generates a rolling phenomenon to deform the strut 2, the strut 2 can swing or rotate into the first anti-crack groove 11 through the first opening 111 and the second opening 112, that is, the first anti-crack groove 11 provides a release space for the deformation stress of the strut 2, specifically, the deformation of the strut 2 is released through the first opening 111 and then transmitted to the first weld metal 31 and released through the second opening 112 and then transmitted to the second weld metal 32, therefore, the stress applied to the first weld metal 31 and the second weld metal 32 by the strut 2 is reduced, the fatigue problem of the first weld metal 31 and the second weld metal 32 is improved, and the technical problem that fatigue cracks are easy to occur at the weld metal on the strong cross beam 1 in the prior art is solved.
In conclusion, the strong cross beam 1 can relieve the fatigue problem of the first weld metal 31 and the second weld metal 32 by arranging the first crack arrest groove 11, and the thickness of the strong cross beam 1 does not need to be increased, so that the construction difficulty and the cost of the strong cross beam 1 are reduced, and a toggle plate does not need to be arranged, so that the lane area is not occupied, and the economic benefit of the ship is improved.
Preferably, referring to fig. 3 and 4, in the present embodiment, along the extending direction of the first anti-crack groove 11, the projection of the first anti-crack groove 11 is rectangular.
The extending direction of the first anti-crack groove 11 is the longitudinal direction of the first anti-crack groove 11, wherein the longitudinal direction of the first anti-crack groove 11 is perpendicular to the groove depth and the groove width of the first anti-crack groove 11.
Optionally, along the extending direction of the first anti-crack groove 11, the projection of the first anti-crack groove 11 is square or rectangular.
The side length of the rectangle on the second side 13 is the width of the second opening 112, and the side length of the rectangle on the first side 12 is the width of the first opening 111, wherein the width of the first opening 111 and the width of the second opening 112 are determined according to the amplitude of deformation such as swinging or rotation of the support column 2.
In addition, the projection of the first anti-crack groove 11 is in a rectangular shape, so that the widths of the first opening 111 and the second opening 112 can be visually observed, and the widths of the first opening 111 and the second opening 112 can be adjusted according to the deformation of the strut 2.
Preferably, referring to fig. 4, in the present embodiment, along the extending direction of the first anti-crack groove 11, the groove bottom of the first anti-crack groove 11 is provided with a second anti-crack groove 14.
It should be noted that, the stress of the second side 13 of the column 2 transferred to the strong beam 1 through the second weld metal 32 can be transferred to the inside of the strong beam 1 after being released through the second crack stop groove 14, and the stress of the first side 12 of the column 2 transferred to the strong beam 1 through the first weld metal 31 can be transferred to the inside of the strong beam 1 after being released through the second crack stop groove 14, such an arrangement reduces the stress received by the strong beam 1, improves the fatigue strength of the strong beam 1, and ensures the safety of the structure of the strong beam 1 to a certain extent.
The inside of the above-described strong beam 1 is a region located inside the edge of the strong beam 1 with respect to the edge of the strong beam 1.
Preferably, with continued reference to fig. 4, in the present embodiment, the groove wall surface of the second anti-crack groove 14 is a smooth transition surface.
Due to the arrangement, the flexibility of the structure of the strong beam 1 is improved, the concentration of stress on the strong beam 1 is reduced, and the fatigue strength of the strong beam 1 is further improved.
Preferably, with reference to fig. 4, in the present embodiment, along the extending direction of the second anti-crack groove 14, the molded line of the projection of the second anti-crack groove 14 sequentially includes a first straight line AB, an arc line BC, and a second straight line CD, and both the first straight line AB and the second straight line CD are tangent to the arc line BC. Wherein, the first straight line AB and the second straight line CD are both connected to the profile of the first anti-crack groove 11.
The extending direction of the second anti-crack groove 14 is the longitudinal direction of the second anti-crack groove 14, wherein the longitudinal direction of the second anti-crack groove 14 is perpendicular to the groove depth and the groove width of the second anti-crack groove 14. The above-mentioned profile is defined as an outer contour line, a projected line, and an intersection line with the cutting plane of the hull-shaped surface and the hull-shaped surface, and in the present embodiment, the profile is a projected line of the second crack stopper groove 14.
With this arrangement, the groove wall surface of the second anti-crack groove 14 is a smooth transition surface.
It should be noted that the area of the cross section of the second anti-crack groove 14 along the direction perpendicular to the extending direction of the second anti-crack groove is a flexible area, and the size of the flexible area is adjusted by adjusting the lengths of the first straight line AB and the second straight line CD and adjusting the radius of the circular arc line BC, so as to adapt to the size of the stress applied to the strong beam 1.
For example, as a first way that can be realized, when the stress applied to the strong beam 1 is small, the flexible area is reduced by shortening the lengths of the first straight line AB and the second straight line CD, so as to reduce the release of the stress of the strong beam 1 by the second crack arrest groove 14; when the stress borne by the strong beam 1 is large, the flexible area is increased by lengthening the lengths of the first straight line AB and the second straight line CD, so that the release of the stress of the strong beam 1 by the second crack stop groove 14 is increased.
As a second mode that can be realized, when the stress applied to the strong beam 1 is small, the flexible area is reduced by shortening the radius of the circular arc line BC, so that the release of the second crack arrest groove 14 to the stress of the strong beam 1 is reduced; when the stress borne by the strong cross beam 1 is large, the flexible area is increased by lengthening the length of the radius of the arc line BC, so that the release of the stress of the strong cross beam 1 by the second crack stop groove 14 is increased.
Preferably, with continued reference to fig. 4, in the present embodiment, the first straight line AB is parallel to the first side 12, and the second straight line CD is parallel to the second side 13.
That is, referring to fig. 3, when the strong beam 1 is assembled, the first side 12 is vertical and the second side 13 is horizontal, so the first straight line AB is vertical and the second straight line CD is horizontal. Due to the arrangement, the flexibility of the structure of the strong beam 1 is further improved, and the concentration of stress on the strong beam 1 is reduced.
It should be noted that the first straight line AB is vertically disposed, and the second straight line CD is horizontally disposed, so that the first straight line AB and the second straight line CD are vertically disposed. Due to the fact that the first straight line AB and the second straight line CD are tangent to the arc line BC and are perpendicular to the first straight line AB and the second straight line CD, the arc included angle of the arc line BC is 270 degrees.
Optionally, the thickness of the end of the strong beam 1 close to the pillar 2 is 60mm-70 mm. For example, the thickness of the end of the strong beam 1 near the pillar 2 is 60mm, 62mm, 64mm, 66mm, 68mm, 70mm, or the like. Preferably, in the present embodiment, the thickness of the end of the strong beam 1 near the pillar 2 is 65 mm.
It should be noted that, in the prior art, the thickness of the end of the strong beam close to the pillar is typically 30 mm. In the embodiment, the thickness of the strong beam 1 is increased, that is, the thickness of the strong beam 1 at the position where the first crack stop groove 11 and the second crack stop groove 14 are formed is increased, so that the structural strength of the strong beam 1 at the position where the first crack stop groove 11 and the second crack stop groove 14 are formed is improved.
Example two
The second embodiment provides a deck structure, the deck structure comprises the strong beam 1 of the first embodiment, the technical features of the strong beam 1 disclosed in the first embodiment are also applicable to the second embodiment, and the technical features of the strong beam 1 disclosed in the first embodiment are not described repeatedly. Embodiments of the deck structure are described in further detail below with reference to the figures.
Referring to fig. 3 and 4, the present embodiment provides a deck structure, which includes a support column 2, a deck (not shown) and the above-mentioned strong beam 1, wherein the support column 2 is connected to a first side 12 of the strong beam 1 near the first opening 111, and the deck is connected to a second side 13 of the strong beam 1.
Due to the arrangement, the strut 2 is communicated with the first crack-stopping groove 11 through the first opening 111, and the technical problem that fatigue cracks are easy to occur at the welding seam metal position on the strong cross beam 1 in the prior art is further solved.
Preferably, referring to fig. 3 and 4, in the present embodiment, the deck structure further comprises a toggle plate 4, and both ends of the toggle plate 4 are respectively connected to the columns 2 and the strong beams 1.
The toggle plate 4 is arranged to provide a certain support for the strong beam 1, so that the stress of the intersection point of the strong beam 1 and the upright column is further reduced, and the fatigue problem of the strong beam 1 is improved.
It should be noted that, under the condition that the deformation of the strut 2 is small, the stress transmitted from the strut 2 to the strong cross beam 1 is small, so the requirement of fatigue strength can be met without arranging the toggle plate 4; if the deformation of the pillar 2 is large, the stress transmitted from the pillar 2 to the strong cross beam 1 is large, and the toggle plate 4 can be arranged in a matching manner to further enhance the fatigue resistance of the strong cross beam 1.
Preferably, with continued reference to fig. 4, in this embodiment, both toe ends 41 of the toggle plate 4 are soft toe ends.
That is, a tangent of the toggle plate 4 near the toe end 41 of the strut 2 is parallel to the strut 2, and a tangent of the toggle plate 4 near the toe end 41 of the strong beam 1 is parallel to the strong beam 1. With such an arrangement, the concentration of stress on the toggle plate 4 is reduced, and the fatigue strength of the toggle plate 4 is improved.
The deck structure of the present embodiment has the advantages of the strong beam 1 of the first embodiment, which have been described in detail in the first embodiment and will not be repeated here.
EXAMPLE III
The third embodiment provides a ship, which comprises the deck structure of the second embodiment, the technical features of the deck structure disclosed in the second embodiment are also applicable to the third embodiment, and the technical features of the deck structure disclosed in the second embodiment are not repeated. Embodiments of the vessel will be described in further detail below with reference to the accompanying drawings.
The ship that this embodiment provided includes foretell deck structure, has alleviated the technical problem that the weld metal department on the strong crossbeam of ship that exists among the prior art easily appears fatigue crack.
The deck structure of this embodiment has the advantages of the deck structure of the embodiment, which are described in detail in the second embodiment and will not be repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a strong crossbeam, its characterized in that includes first avris (12) that are close to pillar (2) and second avris (13) that are close to the deck, first crack arrest groove (11) have been seted up to strong crossbeam, the notch of first crack arrest groove (11) including set up in first opening (111) of first avris (12) with set up in second opening (112) of second avris (13).
2. A strong crossmember according to claim 1, characterised in that the projection of the first anti-splinter slot (11) is rectangular in the direction of extension of the first anti-splinter slot (11).
3. A strong beam according to claim 1, characterized in that along the extension direction of the first anti-crack slot (11), a second anti-crack slot (14) is opened at the bottom of the first anti-crack slot (11).
4. A strong crossmember according to claim 3, characterised in that the groove wall surfaces of the second anti-crack grooves (14) are rounded transition surfaces.
5. A strong beam according to claim 4, characterized in that, along the extension direction of said second anti-crack slot (14), the projected profile of said second anti-crack slot (14) comprises, in sequence, a first straight line (AB), a circular arc line (BC) and a second straight line (CD), and both said first straight line (AB) and said second straight line (CD) are tangent to said circular arc line (BC);
the first straight line (AB) and the second straight line (CD) are both connected to the profile of the first anti-crack groove (11).
6. A strong beam according to claim 5, characterized in that said first straight line (AB) is parallel to said first side (12) and said second straight line (CD) is parallel to said second side (13).
7. Deck structure, characterized in that it comprises a column (2), a deck and a strong beam (1) according to any one of claims 1 to 6, said column (2) being connected to a first side (12) of said strong beam (1) near a first opening (111), said deck being connected to a second side (13) of said strong beam (1).
8. Deck structure according to claim 7, characterized in that it further comprises a toggle plate (4), the toggle plate (4) being connected at both ends to the columns (2) and the strong beams (1), respectively.
9. Deck structure according to claim 8, characterized in that both toe ends (41) of the toggle plate (4) are soft toe ends.
10. A ship, characterized in that it comprises a deck structure according to any one of claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921969902.0U CN210793506U (en) | 2019-11-14 | 2019-11-14 | Strong beam, deck structure and ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921969902.0U CN210793506U (en) | 2019-11-14 | 2019-11-14 | Strong beam, deck structure and ship |
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| CN210793506U true CN210793506U (en) | 2020-06-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173003A (en) * | 2020-09-22 | 2021-01-05 | 广州文冲船厂有限责任公司 | Flanging structure of toggle plate and manufacturing method thereof |
| CN113978608A (en) * | 2021-11-09 | 2022-01-28 | 广州文冲船厂有限责任公司 | Ship negative corner structure and ship |
-
2019
- 2019-11-14 CN CN201921969902.0U patent/CN210793506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173003A (en) * | 2020-09-22 | 2021-01-05 | 广州文冲船厂有限责任公司 | Flanging structure of toggle plate and manufacturing method thereof |
| CN113978608A (en) * | 2021-11-09 | 2022-01-28 | 广州文冲船厂有限责任公司 | Ship negative corner structure and ship |
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