CN115158537A - Integrated transverse bulkhead structure - Google Patents
Integrated transverse bulkhead structure Download PDFInfo
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- CN115158537A CN115158537A CN202210988255.8A CN202210988255A CN115158537A CN 115158537 A CN115158537 A CN 115158537A CN 202210988255 A CN202210988255 A CN 202210988255A CN 115158537 A CN115158537 A CN 115158537A
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 84
- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
- B63B3/56—Bulkheads; Bulkhead reinforcements
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- Chemical & Material Sciences (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides an integrated transverse bulkhead structure, which relates to the technical field of ship construction and comprises vertical girders, wherein the vertical girders are provided with a plurality of vertical girders which are fixedly connected to an inner bottom plate and the top of a transverse bulkhead, two groups of fixed plates are fixedly connected between two adjacent platforms at equal intervals, the two adjacent platforms are arranged between the two adjacent platforms, and the left end and the right end of each fixed plate are fixedly connected to the adjacent vertical girders. The transverse bulkhead has the advantages that the weight of the transverse bulkhead is reduced, the structural strength is improved, the bending resistance of the transverse bulkhead is improved by the aid of the first reinforcing ribs on the fixing plates, and plastic deformation is avoided in the process of transferring load between the fixing plates and the vertical girders; the extrusion force of the container to the adjacent fixed plates is transmitted to the rear fixed plate by the connecting plate, and the two fixed plates are uniformly stressed, so that the fixed plates are prevented from being deformed by the extrusion force of the container; four corners in perpendicular purlin top side shape hole all pass through with the circular arc, avoid stress concentration at the corner of quad slit, lead to perpendicular purlin to tear from the corner of quad slit.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to an integrated transverse bulkhead structure.
Background
The transverse bulkhead is a term used in the field of ships and refers to a structure that divides a cabin of a ship into small compartments, and is mainly subjected to transverse loads, and ensures the transverse loads of the ship body, and the transverse bulkhead effectively controls the torsional strength of the ship body.
Through detection, as a patent with patent publication number CN112550605A, a supporting structure of a transverse bulkhead of a container ship is disclosed, wherein a plurality of horizontal platforms are arranged on the transverse bulkhead from top to bottom, and both sides of each horizontal platform are provided with first reinforcing structures; be fixed with a plurality of first perpendicular purlins on the infrabasal plate of horizontal bulkhead, first perpendicular purlins pass all horizontal platform and are fixed mutually with the hatch board, and from last down equidistance has arranged a plurality of second additional strengthening between two adjacent first perpendicular purlins, and the perpendicular fixed of second that is located between the horizontal platform of the top and the hatch board sets up in between two adjacent first perpendicular purlins is purlinly. Although the supporting structure of the invention reduces the use of the inner trusses of the transverse bulkheads, effectively reduces the weight of the transverse bulkheads and greatly helps to improve the rapidity and economy of the container ship, the supporting structure of the transverse bulkheads of the container ship has the advantages of reduced weight, low structural stability, and no torsion resistance provided by the supporting structure of the transverse bulkheads of the container ship when the ship body is in torsional deformation, so that the service life of the ship is shortened.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a stable integrated transverse bulkhead structure.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a horizontal bulkhead structure of integration, including perpendicular purlin, perpendicular purlin is equipped with a plurality of roots altogether, a plurality of perpendicular purlin rigid couplings are at infrabasal plate and horizontal bulkhead top, equidistant rigid coupling has a plurality of platforms between the perpendicular purlin of the left and right sides and the horizontal bulkhead medial surface, also equidistant rigid coupling has a plurality of platforms between two adjacent perpendicular purlins, both sides all set arc with adjacent perpendicular purlin rigid coupling department around the platform, be equipped with a plurality of fixed plate between two adjacent platforms from top to bottom, be equipped with a plurality of fixed plate between the platform of downside and the infrabasal plate, the equal rigid coupling in adjacent perpendicular purlin in both ends about the fixed plate, the fixed plate sets arc with the rigid coupling department of perpendicular purlin, be used for avoiding stress concentration in the junction of perpendicular purlin and fixed plate, the side parallel and level of perpendicular purlin and the side of fixed plate.
Furthermore, the inner side surfaces of the two front and back adjacent fixing plates are fixedly connected with first reinforcing ribs, the first reinforcing ribs are used for increasing the strength of the fixing plates, the left portion and the right portion of each first reinforcing rib are respectively arranged into a large-radius arc, and two ends of each first reinforcing rib are respectively fixedly connected to the adjacent vertical trusses.
Furthermore, the middle parts of the two front and back adjacent first reinforcing ribs are fixedly connected with a connecting plate, and the connecting plate and the first reinforcing ribs are in large-radius arc transition.
Furthermore, a first reinforcing structure is fixedly connected to the joint of the vertical truss and the fixing plate, the first reinforcing structure is formed by three triangular plates in a consolidation mode, and the longest edges of the three triangular plates of the first reinforcing structure are all arranged in an arc shape.
Furthermore, the middle part of the lower side surface of the platform is fixedly connected with a reinforcing bridge which is arched, and two ends of the reinforcing bridge are respectively and fixedly connected with the adjacent vertical girders.
Further, the downside rigid coupling of enhancement bridge has the reinforcing plate rather than the cambered surface identical, and the width of reinforcing plate is greater than the width of enhancement bridge, and the reinforcing plate is used for increasing the anti ability of buckling of enhancement bridge, and the both ends of reinforcing plate rigid coupling respectively in adjacent perpendicular purlin, the equal rigid coupling of both sides face has the square floor who is used for increasing fixed strength around the enhancement bridge, the upper and lower both ends of square floor respectively with adjacent platform and reinforcing plate.
Further, arc-shaped rib plates are fixedly connected to the front portion and the rear portion of the joint of the lower side face of the platform and the vertical truss, and the arc-shaped rib plates are fixedly connected by two triangular plates with the longest edges being arc-shaped.
Further, equidistant quad slit that is used for subtracting heavy of offering on perpendicular purlin, the quad slit of offering on perpendicular purlin is used for reducing the whole weight of hull, and four corners in perpendicular purlin top shape hole all pass through with the circular arc, and the equal rigid coupling in the left and right sides of perpendicular purlin has the second strengthening rib that a plurality of is used for gaining in strength, and the second strengthening rib is located the downside of adjacent reinforcing plate and rather than the rigid coupling.
Furthermore, a fixing ring is fixedly connected to the inner ring face of the hole above the vertical truss, the fixing ring is made of thickened steel, and the width of the fixing ring is larger than that of the vertical truss and used for reducing the stress concentration coefficient of the square hole of the vertical truss.
Furthermore, the left portion and the right portion of the outer annular surface of the fixing ring are fixedly connected with a plurality of angle-shaped rib plates at equal intervals in the circumferential direction, the angle-shaped rib plates are fixedly connected with the adjacent vertical trusses, and the angle-shaped rib plates are used for providing supporting force for the fixing ring.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: the transverse bulkhead has the advantages that the weight of the transverse bulkhead is reduced, the structural strength is improved, the bending resistance of the transverse bulkhead is improved by the aid of the first reinforcing ribs on the fixing plates, and plastic deformation is avoided in the process of transferring load between the fixing plates and the vertical girders; the extrusion force of the container to the adjacent fixed plates is transmitted to the rear fixed plate by the connecting plate, so that the two adjacent fixed plates are uniformly stressed, and the fixed plates are prevented from being deformed by the extrusion force of the container; the square hole pair on the vertical truss reduces the whole weight of the transverse bulkhead, meanwhile, the weight of the container ship is reduced, four corners of the square hole above the vertical truss are in arc transition, stress concentration at the corners of the square hole is avoided, the vertical truss is torn from the corners of the square hole, meanwhile, the square hole of the vertical truss is reinforced by the fixing ring and the angular rib plate, the stress concentration coefficient of the round hole of the vertical truss is reduced, and the service life of the vertical truss is prolonged.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the connecting plate of the present invention.
Fig. 3 is a schematic perspective view of a first reinforcing structure according to the present invention.
Fig. 4 is a schematic perspective view of the platform of the present invention.
Fig. 5 is a schematic perspective view of the reinforcing bridge of the present invention.
Wherein the figures include the following reference numerals: 1. the transverse bulkhead, 2, infrabasal plate, 3, perpendicular purlin, 4, platform, 5, fixed plate, 51, first strengthening rib, 6, connecting plate, 7, first additional strengthening, 8, strengthen the bridge, 9, reinforcing plate, 10, square floor, 11, arc floor, 12, second strengthening rib, 13, solid fixed ring, 14, angular rib.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood with reference to specific situations.
Example 1
An integrated transverse bulkhead structure is disclosed, as shown in fig. 1-5, comprising vertical girders 3, a plurality of vertical girders 3 are arranged on the vertical girders 3, a plurality of vertical girders 3 are welded on the top of an inner bottom plate 2 and a transverse bulkhead 1, a plurality of platforms 4 are fixedly connected between the vertical girders 3 on the left and right sides and the inner side of the transverse bulkhead 1 at equal intervals, a plurality of platforms 4 are welded between two adjacent vertical girders 3 at equal intervals, the welding positions of the front and rear sides of the platforms 4 and the adjacent vertical girders 3 are arranged in a circular arc shape, a plurality of fixing plates 5 are arranged between two adjacent platforms 4, a plurality of fixing plates 5 are arranged between the platform 4 on the lowest side and the inner bottom plate 2, the transverse bulkhead structure fixes the two adjacent vertical girders 3 by using the fixing plates 5, the whole weight of the transverse bulkhead 1 is reduced, the load of the ship is transferred through the vertical girders 3 and the fixing plates 5, the left and right ends of the fixing plates 5 are welded on the adjacent vertical girders 3, the welding position of the fixed plate 5 and the vertical truss 3 is arranged to be in an arc shape, so that stress concentration at the connecting position of the vertical truss 3 and the fixed plate 5 is avoided, the fixedly connected position of the front side and the rear side of the fixed plate 5 and the adjacent vertical truss 3 is arranged to be in an arc shape, stress concentration can be relieved by the arc shape, the situation that the connecting position between the fixed plate 5 and the vertical truss 3 is broken due to stress concentration under the pushing action of wind and waves of a container ship is avoided, the side surface of the fixed plate 5 is flush with the side surface of the vertical truss 3, the fixed plate 5 is flush with the vertical truss 3, meanwhile, in the process of installing the container guide rail, the container guide rail is fixed on the fixed plate 5, so that the container guide rail can be conveniently installed at equal intervals, the first reinforcing ribs 51 are welded on the inner side surfaces of the front and rear adjacent fixed plates 5, the first reinforcing ribs 51 are used for increasing the strength of the fixed plate 5, and the bending resistance of the first reinforcing ribs 51 on the fixed plate 5 is increased, avoiding plastic deformation in the process of transmitting load between the fixed plate 5 and the vertical truss 3, setting the left part and the right part of the first reinforcing rib 51 into large-radius circular arcs respectively, setting the two parts of the first reinforcing rib 51 into large-radius circular arcs, avoiding fatigue fracture of the connection between the fixed plate 5 and the vertical truss 3 due to stress concentration at the connection part of the first reinforcing rib 51 and the vertical truss 3 by increasing the transition radius of the circular arcs, respectively welding the two ends of the first reinforcing rib 51 to the adjacent vertical truss 3, welding the connecting plate 6 at the middle parts of the two first reinforcing ribs 51 adjacent to the front and the back, enabling the container ship to float up and down when wind waves are large, enabling the container inside the cabin to generate longitudinal extrusion force on the transverse bulkhead 1 during up and down floating of the container ship, enabling the container to act on the vertical truss 3 and the fixed plate 5 through a container guide rail, transmitting the longitudinal extrusion force of the container to the fixed plate 5 by using the connecting plate 6, enabling the two adjacent fixed plates 5 to be uniformly stressed, avoiding deformation of the fixed plate 5 from being subjected to the torsion, avoiding connection between the first reinforcing rib 5 and the first reinforcing rib, avoiding fatigue fracture of the container, and the container transverse structure formed by welding the first reinforcing rib 7, and the container transverse structure of the container, and the container 7, the longest edges of the three triangular plates of the first reinforcing structure 7 are all arranged into an arc shape, the three edges of the first reinforcing structure 7 are all arranged into an arc shape, so that stress concentration on the first reinforcing structure 7 is avoided, the first reinforcing structure 7 is prevented from generating cracks due to fatigue, and the vertical girders 3 and the fixed plate 5 cannot be reinforced, the reinforcing bridge 8 is welded in the middle of the lower side surface of the platform 4, the reinforcing bridge 8 at the lower part of the platform 4 is used for reinforcing the platform, so that the bending resistance of the platform 4 is improved, the platform 4 is prevented from being fatigue-fractured due to long-time use in the load transfer process, the reinforcing bridge 8 is arranged into an arch shape, the reinforcing bridge 8 is arranged into the arch shape, the stress concentration on the reinforcing bridge 8 can be avoided, and the reinforcing bridge 8 is prevented from generating cracks due to fatigue and losing the fixation on the platform 4, the both ends of reinforcing bridge 8 weld respectively in adjacent perpendicular purlin 3, the downside welding of reinforcing bridge 8 has the reinforcing plate 9 rather than the cambered surface identical, the width of reinforcing plate 9 is greater than the width of reinforcing bridge 8, reinforcing plate 9 is used for increasing reinforcing bridge 8's anti ability of buckling, the both ends of reinforcing plate 9 weld respectively in adjacent perpendicular purlin 3, reinforcing bridge 8 front and back both sides face all welds square floor 10 that is used for increasing the fixed strength, square floor 10's upper and lower both ends respectively with adjacent platform 4 and reinforcing plate 9, reinforcing plate 9 and square floor 10 consolidate reinforcing bridge 8's structure, container ship anti-generative torsion has been avoided, utilize reinforcing plate 9, square floor 10 and reinforcing bridge 8 reinforce platform 4, avoid platform 4 to twist reverse deformation and excessively produce the crackle.
Example 2
On the basis of the embodiment 1, as shown in fig. 5, the front and rear parts of the joint between the lower side surface of the platform 4 and the vertical girder 3 are connected with the arc-shaped rib plates 11 through high-strength screws, the arc-shaped rib plates 11 reinforce the joint between the platform 4 and the vertical girder 3 to prevent the joint between the platform 4 and the vertical girder 3 from being disconnected, the arc-shaped rib plates 11 are formed by welding two triangular plates with the longest sides being arc-shaped, the two arc-shaped sides of the arc-shaped rib plates 11 reduce stress concentration on the arc-shaped rib plates 11 to cause fatigue cracks of the arc-shaped rib plates 11, square holes for reducing weight are arranged on the vertical girders 3 at equal intervals, the square holes arranged on the vertical girders 3 are used for reducing the overall weight of the ship body, four corners of holes above the vertical girders 3 are in arc transition, the square holes on the vertical girders 3 reduce the overall weight of the transverse bulkhead 1, and simultaneously reduce the weight of the container ship, four corners of a hole above the vertical truss 3 are in arc transition, stress concentration at the corners of a square hole is avoided, the vertical truss 3 is prevented from being torn from the corners of the square hole, a plurality of second reinforcing ribs 12 for increasing strength are welded on the left side and the right side of the vertical truss 3, the second reinforcing ribs 12 are located on the lower sides of adjacent reinforcing plates 9 and are welded with the adjacent reinforcing plates, the vertical truss 3 is reinforced by the second reinforcing ribs 12, the bending resistance of the vertical truss 3 is improved, fixing rings 13 are welded on the inner ring surfaces of the hole above the vertical truss 3, the fixing rings 13 are made of thickened steel, the width of the fixing rings 13 is larger than that of the vertical truss 3 and are used for reducing the stress concentration coefficient at the square hole of the vertical truss 3, a plurality of angular rib plates 14 are welded on the left side and the right side of the outer ring surface of the fixing rings 13 at equal intervals in the circumferential direction, the plurality of angular rib plates 14 are fixedly connected with the adjacent vertical truss 3, and the angular rib plates 14 are used for providing supporting force for the fixing rings 13, meanwhile, the square holes of the vertical trusses 3 are reinforced by the fixing rings 13 and the angular rib plates 14, so that the stress concentration coefficient of the round holes of the vertical trusses 3 is reduced, and the service life of the vertical trusses 3 is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a horizontal bulkhead structure of integration, characterized by, including perpendicular purlin (3), perpendicular purlin (3) are equipped with a plurality of altogether, a plurality of perpendicular purlin (3) rigid couplings are at infrabasal plate (2) and horizontal bulkhead (1) top, equidistant rigid coupling has a plurality of platforms (4) between the perpendicular purlin (3) of the left and right sides and horizontal bulkhead (1) medial surface, also equidistant rigid coupling has a plurality of platforms (4) between two adjacent perpendicular purlin (3), both sides all set up into arc with adjacent perpendicular purlin (3) rigid coupling department around platform (4), be equipped with a plurality of fixed plate (5) between two adjacent platforms (4) from top to bottom, also be equipped with a plurality of fixed plate (5) between platform (4) and infrabasal plate (2) of downside, equal rigid coupling in adjacent perpendicular purlin (3) in both ends about fixed plate (5), fixed plate (5) and the rigid coupling department of perpendicular purlin (3) set up into arc, be used for avoid stress concentration in the junction of perpendicular purlin (3) and fixed plate (5), the parallel and level of side (3) of fixed plate (5).
2. The integrated transverse bulkhead structure according to claim 1, wherein the inner side surfaces of two adjacent front and rear fixed plates (5) are fixedly connected with first reinforcing ribs (51), the first reinforcing ribs (51) are used for increasing the strength of the fixed plates (5), the left part and the right part of each first reinforcing rib (51) are respectively arranged into a large-radius circular arc, and two ends of each first reinforcing rib (51) are respectively fixedly connected with the adjacent vertical girders (3).
3. The integrated transverse bulkhead structure according to claim 2, wherein the connecting plate (6) is fixedly connected to the middle portions of the two first reinforcing ribs (51) adjacent to each other in the front-rear direction, and the connecting plate (6) and the first reinforcing ribs (51) are in circular arc transition with a large radius.
4. An integrated transverse bulkhead structure according to claim 1, wherein the first stiffening structure (7) is fastened to the junction of the vertical girders (3) and the fixed plate (5), the first stiffening structure (7) being formed by three triangular plates which are fastened together, the longest sides of the three triangular plates of the first stiffening structure (7) being arranged in the shape of a circular arc.
5. An integrated transverse bulkhead structure according to claim 1, characterized in that the stiffening bridges (8) are fixed in the middle of the lower side of the platform (4), the stiffening bridges (8) being arched and the two ends of the stiffening bridges (8) being fixed to the adjacent vertical girders (3) respectively.
6. The integrated transverse bulkhead structure according to claim 5, wherein the lower side surface of the reinforcing bridge (8) is fixedly connected with a reinforcing plate (9) having the same arc surface as the reinforcing plate, the width of the reinforcing plate (9) is larger than that of the reinforcing bridge (8), the reinforcing plate (9) is used for increasing the bending resistance of the reinforcing bridge (8), two ends of the reinforcing plate (9) are respectively and fixedly connected with the adjacent vertical girders (3), the front side surface and the rear side surface of the reinforcing bridge (8) are respectively and fixedly connected with a square rib plate (10) for increasing the fixing strength, and the upper end and the lower end of the square rib plate (10) are respectively connected with the adjacent platform (4) and the reinforcing plate (9).
7. An integral transverse bulkhead structure according to claim 1, wherein the front and rear portions of the junction between the lower side of the platform (4) and the vertical girders (3) are fixedly connected with arc-shaped ribs (11), and the arc-shaped ribs (11) are fixedly connected by two triangular plates having the longest side in an arc shape.
8. The integrated transverse bulkhead structure according to claim 6, wherein the vertical girders (3) are provided with square holes at equal intervals for reducing weight, the square holes formed in the vertical girders (3) are used for reducing the overall weight of the ship body, four corners of the square holes in the vertical girders (3) are in arc transition, the left side and the right side of each vertical girder (3) are fixedly connected with a plurality of second reinforcing ribs (12) for increasing strength, and the second reinforcing ribs (12) are positioned on the lower sides of the adjacent reinforcing plates (9) and are fixedly connected with the lower sides of the adjacent reinforcing plates.
9. An integrated transverse bulkhead structure according to claim 1, wherein the inner annular surface of the upper hole of the vertical girder (3) is fixedly connected with a fixing ring (13), the fixing ring (13) is made of thickened steel, and the width of the fixing ring (13) is greater than that of the vertical girder (3) for reducing the stress concentration coefficient at the square hole of the vertical girder (3).
10. The integral transverse bulkhead structure according to claim 9, wherein the left and right outer circumferential surfaces of the fixing ring (13) are fixedly connected with a plurality of angular rib plates (14) at equal intervals in the circumferential direction, the plurality of angular rib plates (14) are fixedly connected with the adjacent vertical girders (3), and the angular rib plates (14) are used for providing a supporting force for the fixing ring (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210988255.8A CN115158537A (en) | 2022-08-17 | 2022-08-17 | Integrated transverse bulkhead structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210988255.8A CN115158537A (en) | 2022-08-17 | 2022-08-17 | Integrated transverse bulkhead structure |
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| CN115158537A true CN115158537A (en) | 2022-10-11 |
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| CN202210988255.8A Pending CN115158537A (en) | 2022-08-17 | 2022-08-17 | Integrated transverse bulkhead structure |
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