Extra-long container

Abstract

The super-long container comprises an end cross beam, a first reinforcing plate, a middle cross beam and a second reinforcing plate. The inner side of the end cross beam is provided with a first extension plate extending inwardly. The inner side of the first extension plate is provided with a support part offsetting downwardly. The first reinforcing plate is attached and welded to the end cross beam. The inner side of the first reinforcing plate is located above the support part and forms an open slot facing inwardly between the support part. The outer side of the middle cross beam is provided with a second extension plate extending outwardly. The outer side of the second extension plate is inserted into the slot and is welded and fixed with the first reinforcing plate and the support part. The second reinforcing plate is attached and welded to the middle cross beam. The outer side of the second reinforcing plate is spaced apart from the inner side of the first reinforcing plate by a distance d, wherein 15mm≤d≤60mm. The two ends of the middle cross beam are respectively fixedly connected with a middle corner piece. The structure of the super-long container is simplified. The part of the super-long container between the end cross beam and the middle cross beam has high strength, and the super-long container can be normally stacked and placed.

Description

Technical Field

[0001] This utility model relates to the field of container technology, specifically to an ultra-long container. Background Technology

[0002] To meet the stacking, lifting, and other transshipment requirements in sea-land intermodal transport, standard containers are typically 20 or 40 feet long, with corner fittings at the ends. To improve logistics efficiency, extra-long containers such as 45-foot, 48-foot, and 53-foot containers have emerged. These extra-long containers offer greater internal cargo space, significantly improving transport efficiency or being used for transporting oversized cargo. Since existing transshipment equipment is generally designed for standard containers, extra-long containers typically incorporate central crossbeams and corner fittings. For example, the top structure of an extra-long container includes end crossbeams, a central crossbeam, and corner fittings at both ends of the central crossbeam. The positions of these four corner fittings on the top of the extra-long container are identical to those of the corner fittings in a standard 40-foot container. This allows for the lifting of extra-long containers using standard spreader equipment. In the existing top structure of ultra-long containers, a top plate unit is connected between the middle crossbeam and the end crossbeams. When lifting ultra-long containers with standard spreaders, the middle crossbeam bears a large upward lifting force, which causes the top plate unit to bulge upward. After long-term transportation, the top plate unit will undergo significant deformation. The deformed top plate unit will protrude upward, exceeding the top surface of the corner fittings, which will affect the normal stacking of containers. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to propose an ultra-long container that can prevent deformation during hoisting and ensure that the ultra-long container can be stacked normally.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: Extra-long container, including end crossbeams, first reinforcing plate, middle crossbeam, and second reinforcing plate; The inner side of the end beam is provided with an inwardly extending first extension plate, and the inner side of the first extension plate is provided with a downwardly offset support. The first reinforcing plate is welded to the end beam, and the inner side of the first reinforcing plate is located above the support and forms an inwardly opening slot with the support. A second extension plate extending outward is provided on the outer side of the middle crossbeam. The outer edge of the second extension plate is inserted into the slot and welded and fixed to the first reinforcing plate and the support. The second reinforcing plate is welded to the middle crossbeam. The distance between the outer edge of the second reinforcing plate and the inner edge of the first reinforcing plate is d, where 15mm≤d≤60mm. A middle corner piece is fixedly connected to each end of the middle crossbeam.

[0005] The inner side of the first extension plate is provided with two bends so that the support part is parallel to the first extension plate. The inner side of the first reinforcing plate is located inside the inner side of the support part so that the length of the upper side wall of the slot is greater than the length of the lower side wall of the slot.

[0006] The first and second reinforcing plates are flush, and the thickness of both the first and second reinforcing plates is h, where 3.5mm≤h≤6.5mm.

[0007] The thickness of the second reinforcing plate is greater than that of the first reinforcing plate so that the upper surface of the second reinforcing plate is higher than that of the first reinforcing plate.

[0008] The end beam includes a first beam with a U-shaped cross section, and the first extension plate includes a cover portion that covers the U-shaped opening of the first beam. At least a portion of the first reinforcing plate covers the cover portion.

[0009] It also includes a corrugated top plate, and the middle crossbeam includes a second beam with a U-shaped cross section and a cover plate covering the U-shaped opening of the second beam. The outer side of the cover plate extends outward to form a second extension plate, and the inner side of the cover plate protrudes from the inner side of the second beam to connect the middle crossbeam to the corrugated top plate of the extra-long container.

[0010] The dimensions of the first and second reinforcing plates along the width direction of the extra-long container are W1, and the width of the extra-long container is W2, wherein the ratio of twice W1 to W2 is not less than 0.5.

[0011] The beneficial effects of this utility model are as follows: In this invention, by providing a downwardly offset support portion on the end crossbeam, the second extension plate on the middle crossbeam can be overlapped on the first extension plate of the end crossbeam. This eliminates the need for a top plate unit between the end and middle crossbeams, simplifying the structure of the ultra-long container. The second reinforcing plate not only strengthens the end crossbeam but also reinforces the joint between the end and middle crossbeams, giving the portion of the ultra-long container located between the end and middle crossbeams higher strength. During lifting with spreaders, this portion is less prone to deformation, ensuring proper stacking of the ultra-long container. A certain distance is maintained between the first and second reinforcing plates to facilitate welding along the inner edge of the first reinforcing plate and the outer edge of the second reinforcing plate, making it easy to weld the first and second reinforcing plates to the second extension plate. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 AA section view; Figure 3 for Figure 2 A magnified view of point B in the middle. Detailed Implementation

[0013] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments: like Figure 1 , 2 As shown in Figure 3, this utility model discloses an extra-long container, particularly a 45-foot extra-long container, which includes an end crossbeam 10, a first reinforcing plate 30, a middle crossbeam 20, and a second reinforcing plate 40. The inner side of the end crossbeam 10 is provided with an inwardly extending first extension plate 12, and the inner side of the first extension plate 12 is provided with a support portion 13 offset downward by a certain distance. The first reinforcing plate 30 is welded to the end crossbeam 10, and the inner side of the first reinforcing plate 30 is located above the support portion 13. Due to the downward offset of the support portion 13, a slot 14 is formed between the first reinforcing plate 30 and the support portion 13. The opening of the slot 14 faces inward, that is, the opening of the slot 14 faces the middle crossbeam 20. The middle crossbeam 20 is located inside the end crossbeam 10, where the end crossbeam 10 is located at the end of the extra-long container, specifically at a position 45 feet from the end of the extra-long container. The middle crossbeam 20 is located at a position 40 feet from the end of the extra-long container. A second extension plate 22 extending outward is provided on the outer side of the middle crossbeam 20. The outer edge of the second extension plate 22 overlaps with the support 13 and is inserted into the slot 14. The upper surface of the outer edge of the second extension plate 22 is welded and fixed to the first reinforcing plate 30, and the lower surface is welded and fixed to the support 13. Subsequently, the first extension plate 12 on the end crossbeam 10 and the second extension plate 22 on the middle crossbeam 20 are connected to each other to cover the portion of the top of the extra-long container located between the middle crossbeam 20 and the end crossbeam 10. The second extension plate 22 on the middle crossbeam 20 is inserted into the slot 14 and then welded to the first reinforcing plate 30. The first reinforcing plate 30 strengthens the end crossbeam 10 and also reinforces the connection between the end crossbeam 10 and the middle crossbeam 20. The second reinforcing plate 40 is welded to the middle crossbeam 20, with a distance d between the outer edge of the second reinforcing plate 40 and the inner edge of the first reinforcing plate 30, where 15mm ≤ d ≤ 60mm, preferably d is 40mm. A center corner bracket is fixedly connected to each end of the middle crossbeam 20, positioning the center corner bracket at the 40-foot position of the extra-long container to facilitate lifting operations using standard spreader equipment.

[0014] In this invention, by providing a downwardly offset support portion 13 on the end crossbeam 10, the second extension plate 22 on the middle crossbeam 20 can be overlapped with the first extension plate 12 of the end crossbeam 10. This eliminates the need for a top plate unit between the end crossbeam 10 and the middle crossbeam 20, simplifying the structure of the ultra-long container. The second reinforcing plate 30 not only strengthens the end crossbeam 10 but also reinforces the joint between the end crossbeam 10 and the middle crossbeam 20, giving the portion of the ultra-long container located between the end crossbeam 10 and the middle crossbeam 20 higher strength. During lifting with a spreader, this portion is less prone to deformation, ensuring that the ultra-long container can be stacked normally. The first reinforcing plate 30 and the second reinforcing plate 40 are spaced a certain distance apart to facilitate welding on the inner side of the first reinforcing plate 30 and the outer side of the second reinforcing plate 40, making it convenient to weld the first reinforcing plate 30 and the second reinforcing plate 40 to the second extension plate 12.

[0015] In a preferred embodiment, the inner side of the first extension plate 12 forms a support portion 13 through two bends, so that the support portion 13 is parallel to the first extension plate 12 after being offset downward. The inner side of the first reinforcing plate 30 is located inside the inner side of the support portion 13, so that the length of the upper sidewall of the slot 14 is greater than the length of the lower sidewall of the slot 14. The inner side of the first reinforcing plate 30 has a longer protrusion dimension inward, so that the contact area between the first reinforcing plate 30 and the second extension plate 22 is larger. The first reinforcing plate 30 can better reinforce the connection position of the middle crossbeam 20 and the end crossbeam 10, and prevent the connection between the end crossbeam 10 and the middle crossbeam 20 from bulging upward when the ultra-long container is lifted.

[0016] The first reinforcing plate 30 and the second reinforcing plate 40 are flush, and both have a thickness of h, wherein 3.5 mm ≤ h ≤ 6.5 mm. In a preferred embodiment, the thickness h of the first reinforcing plate 30 and the second reinforcing plate 40 can be 4.5 mm.

[0017] In other embodiments, the thickness of the second reinforcing plate 40 is greater than that of the first reinforcing plate 30 so that the upper surface of the second reinforcing plate 40 is higher than that of the first reinforcing plate 30. The relatively large thickness of the second reinforcing plate 40 provides better reinforcement for the middle crossbeam 20. During the lifting process, since the stress on the ultra-long container near the spreader is relatively large, the second reinforcing plate 40 is set to have a larger thickness so that the top of the ultra-long container near the spreader has higher strength.

[0018] The end beam 10 includes a first beam 11 with a U-shaped cross-section, a first extension plate 12 including a cover portion covering the U-shaped opening of the first beam 11, and a first reinforcing plate 30 covering at least a portion of the cover portion, so that the first reinforcing plate 30 has a larger coverage area on the end beam 10, thereby better increasing the overall strength of the end beam 10.

[0019] The middle crossbeam 20 includes a second beam 21 with a U-shaped cross section and a cover plate 23 covering the U-shaped opening of the second beam 21. The outer side of the cover plate 23 extends outward to form a second extension plate 22. The inner side of the cover plate 23 protrudes from the inner side of the second beam 21 so as to connect the middle crossbeam 20 to the corrugated top plate 50 of the extra-long container through the protruding part of the inner side of the cover plate 23.

[0020] In the width direction of the extra-long container, the extension dimension of the first reinforcing plate 30 and the second reinforcing plate 40 is W1, and the width of the extra-long container is W2. A first reinforcing plate 30 and a second reinforcing plate 40 are respectively set on both sides of the top of the extra-long container. The relationship between W1 and W2 is set to twice the ratio of W1 to W2, which is not less than 0.5. This ensures that the sum of the dimensions of the first reinforcing plate 30 and the second reinforcing plate 40 in the width direction of the extra-long container is not less than half the width of the extra-long container. This gives the first reinforcing plate 30 and the second reinforcing plate 40 a relatively large width dimension, thus ensuring that the top of the extra-long container has better strength.

[0021] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An ultra-long container, characterized in that, Includes end beams, first reinforcing plate, middle beams, and second reinforcing plate; The inner side of the end beam is provided with an inwardly extending first extension plate, and the inner side of the first extension plate is provided with a downwardly offset support. The first reinforcing plate is welded to the end beam, and the inner side of the first reinforcing plate is located above the support and forms an inwardly opening slot with the support. A second extension plate extending outward is provided on the outer side of the middle crossbeam. The outer edge of the second extension plate is inserted into the slot and welded and fixed to the first reinforcing plate and the support. The second reinforcing plate is welded to the middle crossbeam. The distance between the outer edge of the second reinforcing plate and the inner edge of the first reinforcing plate is d, where 15mm≤d≤60mm. A middle corner piece is fixedly connected to each end of the middle crossbeam.

2. The extra-long container as described in claim 1, characterized in that, The inner side of the first extension plate is provided with two bends so that the support part is parallel to the first extension plate. The inner side of the first reinforcing plate is located inside the inner side of the support part so that the length of the upper side wall of the slot is greater than the length of the lower side wall of the slot.

3. The extra-long container as described in claim 1, characterized in that, The first and second reinforcing plates are flush, and the thickness of both the first and second reinforcing plates is h, where 3.5mm≤h≤6.5mm.

4. The extra-long container as described in claim 1, characterized in that, The thickness of the second reinforcing plate is greater than that of the first reinforcing plate so that the upper surface of the second reinforcing plate is higher than that of the first reinforcing plate.

5. The extra-long container as described in claim 1, characterized in that, The end beam includes a first beam with a U-shaped cross section, and the first extension plate includes a cover portion that covers the U-shaped opening of the first beam. At least a portion of the first reinforcing plate covers the cover portion.

6. The extra-long container as described in claim 1, characterized in that, It also includes a corrugated top plate, and the middle crossbeam includes a second beam with a U-shaped cross section and a cover plate covering the U-shaped opening of the second beam. The outer side of the cover plate extends outward to form a second extension plate, and the inner side of the cover plate protrudes from the inner side of the second beam to connect the middle crossbeam to the corrugated top plate of the extra-long container.

7. The extra-long container as described in claim 1, characterized in that, The dimensions of the first and second reinforcing plates along the width direction of the extra-long container are W1, and the width of the extra-long container is W2, wherein the ratio of twice W1 to W2 is not less than 0.5.

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