CN201165407Y - container bottom beam - Google Patents

Abstract

The utility model discloses a bottom beam of a container. The cross section of the bottom beam is in the shape of "I", the metal material strength of the bottom beam is 450MPa-1000MPa, and the upper and lower wings of the I-shaped bottom beam are on the bottom. The width on the cross-section of the cross-beam is 20mm-80mm, the height of the web of the I-shaped bottom cross-beam on the cross-section of the bottom cross-beam is 80mm-130mm, and the upper and lower wings and the web are in the cross-section of the bottom cross-beam The upper thickness is 2mm to 4.5mm. The bottom beam of the container underframe has the advantages of high strength, light weight and the like.

Description

container bottom beam

technical field

The utility model relates to a container bottom beam.

Background technique

Referring to Fig. 1, a container generally includes an underframe 1' for loading goods, and the underframe 1' includes bottom side beams 11' positioned on the left and right sides of the container and a plurality of bottom beams 11' transversely arranged between the bottom side beams 11'. A crossbeam 12' on which the floor 2 is arranged.

Referring to Fig. 2, the cross-section of the existing bottom cross beam 12' is roughly in the shape of a "C". Since the bottom frame 1' often bears a lot of pressure under the gravity of the goods when loading goods, in order to make the The deformation of the underframe 1' under the action of pressure meets the ISO requirements. The existing method is to increase the overall strength of the underframe 1' by increasing the cross-sectional area of the bottom beam 12'; however, although the increase The cross-sectional area of the bottom beam 12' contributes to the strength of the overall chassis 1', however, as the cross-sectional area of the bottom beam 12' increases, the weight of the bottom beam 12' also increases, so that the The manufacturing cost of the container increases. Therefore, in order to save the manufacturing cost of the container and increase the strength of the container chassis, it is necessary to improve the existing container and the bottom beam structure of the container.

Contents of the invention

The technical problem to be solved by the utility model is to provide a container bottom beam, which can reduce the overall weight while improving the strength of the container bottom frame.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the cross section of the bottom beam of the container is in the shape of "I", the yield strength of the metal material of the bottom beam is 450Mpa-1000Mpa, the upper and lower sides of the I-shaped bottom beam The width of the two wings on the cross section of the bottom beam is 20 mm to 80 mm, the height of the web of the I-shaped bottom beam on the cross section of the bottom beam is 80 mm to 130 mm, and the upper and lower wings and the web are The thickness of the cross-section of the bottom beam is 2mm-4.5mm.

According to the technical idea of the present invention, the width of the above-mentioned upper wing is equal to the width of the lower wing.

According to the technical idea of the present invention, the width of the above-mentioned upper wing is not equal to the width of the lower wing.

According to the technical idea of the present invention, the connection between the web and the upper and lower wings deviates from the center of the upper and lower wings, and the distance between the connection and the center of the upper and lower wings is less than 40 mm.

According to the technical concept of the present utility model, the width of the upper and lower wings of the above-mentioned bottom beam on the cross-section of the bottom beam is 40 mm to 55 mm; the height of its web on the cross-section of the bottom beam is 122 mm, and the upper and lower wings, The thickness of the web on the cross-section of the bottom cross beam is 2.5mm-3.5mm.

According to the technical concept of the utility model, the width of the upper wing is 55mm and the thickness is 3.2mm, the width of the lower wing is 45mm and the thickness is 3.2mm, and the thickness of the web is 2.5mm.

According to the technical idea of the utility model, the width of the upper wing is 50 mm and the thickness is 3.2 mm, the width of the lower wing is 40 mm and the thickness is 3.2 mm, and the thickness of the web is 2.5 mm.

According to the technical concept of the utility model, the width of the upper wing is 40mm and the thickness is 3.5mm, the width of the lower wing is 50mm and the thickness is 3.5mm, and the thickness of the web is 3mm.

According to the technical concept of the utility model, the width of the upper wing is 55mm and the thickness is 3.2mm, the width of the lower wing is 55mm and the thickness is 2.5mm, and the thickness of the web is 2.5mm.

Compared with the prior art, the container bottom beam of the utility model has the following beneficial effects: the bottom beam of the underframe of the utility model adopts a metal material with a yield strength of 450Mpa to 1000Mpa, and the size of the bottom beam is reduced by changing the size of the bottom beam. The weight of the bottom frame saves resources and also reduces the production cost of the bottom frame.

Description of drawings

Fig. 1 is the top view of existing container underframe structure;

Fig. 2 is the structural representation of existing container bottom beam;

Fig. 3 is a top view of the container underframe structure of the present invention;

Fig. 4 is a schematic structural view of the bottom beam of the container according to the first embodiment of the present invention;

Fig. 5 is a schematic structural view of the bottom beam of the container according to the second embodiment of the present invention.

Detailed ways

Referring to Fig. 3, the container of the present utility model comprises an underframe 1, two bottom side beams 11 of the underframe 1 parallel to each other and a plurality of bottom beams 12 horizontally connected between the two bottom side beams 11. A plurality of floor boards 2 are arranged above.

Referring to FIG. 4 , a schematic structural view of the bottom beam of a container according to the first embodiment of the present invention. In this embodiment, the cross-sectional shape of the bottom beam 12 is roughly in the shape of an "I", which includes upper and lower wings 121, 122 and a web 123, wherein the web 123 is located between the upper and lower wing plates 121, 122, and its two ends are respectively connected to the center positions of the upper and lower wing plates 121, 122.

The bottom beam 12 is made of a metal material with a yield strength of 450Mpa-1000Mpa, and the width of the upper and lower wings 121, 122 on the cross-section of the bottom beam 12 (shown by B1 and B2 in Figure 4) is 20mm-80mm , the height of the web 123 on the cross-section of the bottom beam (shown by H in Figure 4) is 80 mm to 130 mm, and the thickness of the upper and lower wings and the web on the cross-section of the bottom beam (in Figure 4 T1, T2, T3 shown) is 2mm ~ 4.5mm.

What the following table lists is the comparison of the size of the bottom beam of the traditional structure and the bottom beam of the utility model and the corresponding container ISO strength test results:

type general shape B1/B2 h T1/T2/T3 ISO requirements Traditional structure "C" shape 45/45 122 4 satisfy Example 1 "工" shape 55/45 122 3.2/2.5/3.2 satisfy Example 2 "工" shape 50/40 122 3.2/2.5/3.2 satisfy Example 3 "工" shape 40/50 122 3.5/3/3.5 satisfy Example 4 "工" shape 55/55 122 3.2/2.5/2.5 satisfy

It can be seen from the above table that the cross-sectional shape of the traditional bottom beam is roughly "C" shape. In order to meet the ISO strength requirements, the width of the upper and lower wings of the traditional bottom beam (B1 and B2 in Figure 2) are both 45mm , the height of its web (H in Fig. 2) is 122mm, and the thickness (T1, T2 and T3 in Fig. 2) of the upper and lower two wings and the web is 4mm. And the cross-section of the bottom cross beam 12 of the present utility model is roughly " I " shape, and it is made by the metal material of yield strength 450Mpa～1000Mpa, and the intensity of this bottom cross beam is higher than traditional CortenA material intensity; The size of the crossbeam reduces the weight of the bottom crossbeam, and then reduces the production cost of the bottom crossbeam; five typical embodiments of its structure are provided in the table, which are briefly described as follows:

Embodiment 1: the widths of the upper and lower wings 121 and 122 of the bottom beam (B1 and B2 in the table are B1 and B2 shown in Figure 4) are not equal, and they are 55mm and 45mm respectively, and their webs 123 (H in the table is The height of H) shown in Fig. 4 is 122mm, and the thickness (T1 and T3 in the table namely T1 and T3 shown in Fig. 4) of the upper and lower two wing plates 121, 122 is 3.2mm; and the corresponding web The thickness of 123 (T2 in the table is T2 shown in Figure 4) is 2.5mm. Tests show that the bottom beam 12 of this structure can meet the requirements of ISO for the overall strength of the container.

Embodiment 2: the widths of the upper and lower wings 121 and 122 of the bottom beam (B1 and B2 in the table are B1 and B2 shown in Figure 4) are not equal, and they are 50mm and 40mm respectively, and their webs 123 (H in the table is The height of H) shown in Fig. 4 is 122mm, and the thickness (T1 and T3 in the table namely T1 and T3 shown in Fig. 4) of this upper and lower two wing plates 121,122 is 3.2mm; And this web 123 of correspondence The thickness (T2 in the table is T2 shown in Figure 4) is 2.5mm. Tests show that the bottom beam 12 of this structure can meet the requirements of ISO for the overall strength of the container.

Embodiment 3: the widths of the upper and lower wings 121 and 122 of the bottom beam (B1 and B2 in the table are B1 and B2 shown in Figure 4) are not equal, and they are 40mm and 50mm respectively, and their webs 123 (H in the table is The height of H) shown in Fig. 4 is 122mm, and the thickness (T1 and T3 in the table namely T1 and T3 shown in Fig. 4) of this upper and lower two wing plates 121,122 is 3.5mm; And this web 123 of correspondence The thickness (T2 in the table is T2 shown in Figure 4) is 3mm. Tests show that the bottom beam 12 of this structure can meet the ISO requirements for the overall strength of the container.

Embodiment 4: the upper and lower two wing plates 121, 122 widths of the bottom beam (B1 and B2 in the table are B1 and B2 shown in Figure 4) are equal, both are 55mm, and its web 123 (H in the table is in Figure 4 The height shown in H) is 122mm, and the thicknesses of the upper and lower wings 121, 122 (T1 and T3 in the table are T1 and T3 shown in Fig. 4) are respectively 3.2mm and 2.5mm; and the corresponding web The thickness of 123 (T2 in the table is T2 shown in Figure 4) is 2.5mm. Tests show that the bottom beam 12 of this structure can meet the ISO requirements for the overall strength of the container.

Comparing the above embodiments with the traditional bottom beam respectively, it is found that the thickness of the upper and lower wings 121, 122 and the web 123 of the bottom beam 12 in this embodiment are significantly thinner, so that the weight of the bottom beam 12 can be reduced. Reduced, thereby saving the raw materials for manufacturing the bottom beam 12 and reducing its cost. When it is applied to the container chassis, the overall weight of the chassis can be reduced.

Referring to FIG. 5 , it is a schematic structural diagram of the bottom beam of the container in the second embodiment of the present invention. The structure of the bottom beam 12 of the present embodiment is substantially the same as that of the first embodiment. , the connection between the web 123 of the bottom beam 12 and the upper and lower wings 121, 122 deviates from the center of the upper and lower wings 121, 122, and the connection deviates from the center of the upper and lower wings 121, 122 The distance E is less than 40mm. In this way, under the condition of keeping other parameters the same, it can also achieve the same effect as the bottom cross member 12 in the first embodiment.

Claims (9)

1. container bottom cross beam, it is characterized in that, the cross-sectional plane of described bottom cross beam is " worker " font, the metallic material yield strength of this bottom cross beam is 450Mpa～1000Mpa, the width of two wing plates up and down on this bottom cross beam cross-sectional plane of described double-tee bottom cross beam is 20mm～80mm, the height of the web of described double-tee bottom cross beam on this bottom cross beam cross-sectional plane is 80mm～130mm, and two wing plates, the thickness of this web on this bottom cross beam cross-sectional plane are 2mm～4.5mm up and down.

2. container bottom cross beam as claimed in claim 1 is characterized in that, the width of described upper flange equates with the width of lower wing plate.

3. container bottom cross beam as claimed in claim 1 is characterized in that, the width of described upper flange and the width of lower wing plate do not wait.

4. container bottom cross beam as claimed in claim 1 is characterized in that, the center that this upper and lower wing plate is departed from described web and upper and lower wing plate junction, and the centre distance of this junction and upper and lower wing plate is less than 40mm.

5. container bottom cross beam as claimed in claim 1 is characterized in that, the width of two wing plates up and down on this bottom cross beam cross-sectional plane of this bottom cross beam is 40mm～55mm; The height of its web on this bottom cross beam cross-sectional plane is 122mm, and two wing plates, the thickness of this web on this bottom cross beam cross-sectional plane are 2.5mm～3.5mm up and down.

6. container bottom cross beam as claimed in claim 5 is characterized in that, the width of described upper flange is that 55mm, thickness are 3.2mm, and the width of described lower wing plate is that 45mm, thickness are 3.2mm, and the thickness of described web is 2.5mm.

7. container bottom cross beam as claimed in claim 5 is characterized in that, the width of described upper flange is that 50mm, thickness are 3.2mm, and the width of described lower wing plate is that 40mm, thickness are 3.2mm, and the thickness of described web is 2.5mm.

8. container bottom cross beam as claimed in claim 5 is characterized in that, the width of described upper flange is that 40mm, thickness are 3.5mm, and the width of described lower wing plate is that 50mm, thickness are 3.5mm, and the thickness of described web is 3mm.

9. container bottom cross beam as claimed in claim 5 is characterized in that, the width of described upper flange is that 55mm, thickness are 3.2mm, and the width of described lower wing plate is that 55mm, thickness are 2.5mm, and the thickness of described web is 2.5mm.

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