Metal Pallet Steel Structure

The metal pallet structure integrates cut prevention parts and support units to address edge safety and structural weaknesses, ensuring worker safety and load-bearing strength at a low cost.

JP3249885UActive Publication Date: 2025-01-20ZEE TA SHENG MASCH CO LTD
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Patent Information

Application Number
JP2024003887U
Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-01-20
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Conventional metal pallets have sharp edges that pose a risk of injury to workers, and existing safety measures either increase complexity and cost or fail to adequately address edge safety, while also suffering from structural weaknesses and environmental issues.

Method used

A metal pallet structure with integrally molded cut prevention parts on both sides, featuring upward-facing mounting surfaces, support units with outer and inner columns, and grounding bottom plates, designed to prevent cuts and enhance structural integrity.

Benefits of technology

The structure effectively prevents worker injuries from pallet edges at minimal cost, maintains structural integrity, and adjusts load-bearing strength, while minimizing deformation risks from collisions.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a metal pallet steel structure in which a cut prevention part is integrally formed with the supporting steel structure of the pallet, thereby increasing safety at a small cost and forming it in combination with a high-strength panel structure. [Solution] The metal pallet type steel structure comprises a plurality of upper panels 1 and a support unit 2. Upwardly facing support surfaces 11 are arranged at intervals on the upper panels. The support unit includes two outer support columns 21 and at least one inner support column 22. The outer support columns are respectively connected to both sides of the bottom surface of the upper panel. The inner support column is connected to the bottom surface of the upper panel and is located between the outer support columns. An upwardly protruding cut prevention portion is provided on the outer side of the top surface of the outer support column. The cut prevention portions are respectively located on both sides of the upper panel. The tops of the cut prevention portions are aligned with the support surface of the upper panel.
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Description

[Technical field]

[0001] The present invention relates to a metal pallet structure, and more particularly to a metal pallet-type steel structure that prevents workers from being cut by the sharp edges of the metal pallet. [Background technology]

[0002] Conventionally, the conventional metal panel A of a metal pallet is formed by bending a metal plate. The edges of the metal plate are generally very sharp. Conventional methods for preventing workers from being cut or injured by the edges of the conventional metal panel A include the following (1) to (4). (1) As shown in Figure 1A, both sides of a conventional metal panel A are bent to form an R shape. However, with this method, if the conventional metal panel A is hit by another object and deformed, causing the edges to curl up, there is a risk that workers may be injured. (2) As shown in Figure 1B, a rectangular tube A1 is added to both sides of the conventional metal panel A to cover the edges. However, this method increases the process and costs, making it difficult to implement. (3) As shown in Figure 1C, C-shaped steel A2 is added to both sides of the conventional metal panel A to cover the edges. However, with this method, a step is created between the C-shaped steel A2 and the conventional metal panel A, making it difficult to use, and if another object hits the C-shaped steel A2, it may warp and injure a worker, or the parts not supported by the conventional metal panel A may become dented and deformed. (4) As shown in Figure 1D, a vertical steel piece A3 is added to each side of the conventional metal panel A. However, in this method, the top end of the vertical steel piece still has a sharp edge, which raises safety concerns. Therefore, there is still a need for a method to improve safety when using metal pallets.

[0003] The conventional metal panels A used in the upper and lower layers of conventional metal pallets are generally the same shape of downward U-shaped steel material, which has a lower support strength than tubular steel material, and in addition, moisture and dust tend to accumulate in the upward-opening concave grooves of the conventional metal panels A in the lower layer, making the environment prone to becoming dirty and disturbed.

[0004] The inventors of the present invention have conducted extensive research in light of the shortcomings of the above-mentioned conventional pallet structures, and as a result have completed a metal pallet-type steel structure that can improve upon the problems of the conventional technology. Summary of the Invention [Problem to be solved by the invention]

[0005] The main purpose of this invention is to provide a metal pallet steel structure, which is formed by integrally molding a cut prevention part into the supporting steel structure of the pallet, thereby improving safety at a low cost and combining it with a high-strength panel structure. [Means for solving the problem]

[0006] In order to solve the above problems, according to a first form of the present invention, there is provided a metal pallet-type steel structure comprising a plurality of upper panels and support units, wherein upward-facing support surfaces are arranged at intervals on the upper panels, and the support units include two outer support columns and at least one inner support column, and the outer support columns are respectively connected to both sides of the bottom surface of the upper panel, and the inner support columns are connected to the bottom surface of the upper panel and are located between the outer support columns, and a cut prevention portion protruding upward is provided on the outer side of the top surface of the outer support column, and the cut prevention portion is respectively located on both sides of the upper panel, and the tops of the cut prevention portions are aligned with the above-mentioned support surface of the upper panel.

[0007] It is preferable that the cut prevention portions protrude downward on the outer side of the bottom surface of the outer support columns, and that a plurality of grounding bottom plates are connected to the bottom surfaces of the outer support columns and the inner support columns at intervals, and that the cut prevention portions are located on both sides of the upper panel and the grounding bottom plate, respectively, and that the grounding bottom plate is arranged parallel to the upper panel.

[0008] It is preferable that the outer support column and the inner support column are shaped steel beams that open laterally.

[0009] The outer support column and the inner support column are preferably steel sections of closed tubular structure.

[0010] It is preferable that each of the cut prevention portions is formed in a square tubular structure.

[0011] In order to solve the above problems, according to a second aspect of the present invention, there is provided a metal pallet-type steel structure including a plurality of upper panels and a support unit, the upper panels having an upwardly facing placement surface and arranged at intervals, the support unit including two external connection members, at least one internal connection member, at least six external support columns, at least three internal support columns, and at least three grounding bottom plates, the external connection members being respectively coupled to both sides of the bottom surface of the upper panels, and the outer side of the top surface of the external connection members being provided with an upwardly protruding cut prevention portion, the cut prevention portion being provided on the upper panels, the top of the cut prevention part is aligned with the mounting surface of the upper panel; the bottom surfaces of the two external connection members are respectively connected to the three external support columns at intervals; the internal connection members are respectively connected to the bottom surfaces of the upper panels and are located between the external connection members; the three internal support columns are connected to the bottom surfaces of the internal connection members at intervals; the two grounding bottom plates are respectively connected to the bottom ends of the external support columns on the bottom surfaces of the two external connection members, and the grounding bottom plate is connected to the bottom ends of the internal support columns on the bottom surface of the internal connection member.

[0012] It is preferable that the ground bottom plate is coupled between the bottom end of the inner support pillar and the two outer support pillars on the left and right sides, respectively.

[0013] It is preferable that a support portion is provided on each of the left and right sides of the bottom end of the external connection member and the internal connection member, and that the support portion has a closed tubular structure.

[0014] It is preferable that a support portion be provided on each of the left and right sides of the bottom ends of the external connection member and the internal connection member, and that the support portion be structured so that the sides are open toward the inside.

[0015] It is preferable that both sides of the bottom end of the ground base plate are extended inward a predetermined distance, and then the ground support parts are extended vertically upward, and the ground support parts are attached to the top surface of the ground base plate, so as to form a slope on both sides of the ground base plate.

[0016] It is preferable that both sides of the bottom end of the ground base plate are extended inward to the center of the ground base plate, and then the ground support parts are extended vertically upward, the ground support parts are joined to each other, and the ground support parts are attached to the top surface of the ground base plate, so as to form a slope on both sides of the ground base plate.

[0017] It is preferable that the upper panel is rectangular and has two long sides and two short sides, the long sides extending downward at a predetermined angle for a predetermined length and then extending horizontally toward the inside of the mounting surface to the center of the mounting surface to form a seam, and that both side edges of the seam each have a panel support portion extending toward the mounting surface, the panel support portions being joined to each other, and at least one of the panel support portions being joined to the bottom of the mounting surface.

[0018] The panel support portion that is joined to the bottom of the placement surface preferably has a support flap that is joined to the bottom of the placement surface.

[0019] It is preferable that the panel support portions are respectively joined to the bottom portion of the placement surface.

[0020] The panel support portions preferably each have a support flap edge which joins the bottom of the placement surface.

[0021] It is preferable that both sides of the upper panel are folded inward to provide at least one reinforcing portion, and that the reinforcing portions are each bonded to the inside of the upper panel. Effect of the Invention

[0022] The metal pallet steel structure of the present invention has cut prevention parts integrally molded on both sides of the metal pallet, which can prevent workers from being cut by the edges of the metal pallet at minimal cost, and can prevent a lifter or forklift from colliding with the ground base plate, causing damage or deformation, and can adjust the load-bearing strength of the pallet. [Brief description of the drawings]

[0023] [Figure 1A] FIG. 1 is a cross-sectional view (1) of a conventional cut-resistant pallet. [Figure 1B] FIG. 2 is a cross-sectional view of a conventional cut-resistant pallet. [Figure 1C] FIG. 3 is a cross-sectional view of a conventional cut-resistant pallet. [Figure 1D] FIG. 4 is a cross-sectional view of a conventional cut-resistant pallet. [Diagram 2] FIG. 1 is a perspective view of a metal pallet steel structure according to a first embodiment of the present invention; [Diagram 3] FIG. 3 is an exploded perspective view of FIG. 2. [Figure 4] FIG. 2 is a perspective view showing the upper panel of the metal pallet steel structure according to the first embodiment of the present invention; [Diagram 5] FIG. 4 is a front view of FIG. [Figure 6] FIG. 4 is a front view of a metal pallet steel structure according to a second embodiment of the present invention; [Figure 7] FIG. 4 is a perspective view of a metal pallet steel structure according to a third embodiment of the present invention; [Figure 8] FIG. 4 is a front view of a metal pallet steel structure according to a third embodiment of the present invention; [Figure 9] FIG. 10 is a front view of a metal pallet steel structure according to a fourth embodiment of the present invention; [Figure 10] FIG. 10 is a perspective view of a metal pallet steel structure according to a fifth embodiment of the present invention; [Figure 11] FIG. 11 is an exploded perspective view of FIG. [Figure 12] FIG. 10 is a cross-sectional view showing the upper panel of a metal pallet steel structure according to the fifth embodiment of the present invention. [Figure 13] FIG. 12 is a front view of FIG. [Figure 14] FIG. 4 is a front view showing another external connection member of the present invention; [Figure 15] FIG. 13 is a perspective view of a metal pallet steel structure according to a sixth embodiment of the present invention; [Figure 16] FIG. 4 is a cross-sectional view showing another upper panel of the present invention. [Figure 17] FIG. 4 is a cross-sectional view of another upper panel of the present invention. [Figure 18] FIG. 4 is a cross-sectional view of yet another grounding sole plate of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0024] (First embodiment) Second embodiment Please refer to FIG. 2 to FIG. 5. As shown in FIG. 2 to FIG. 5, the metal pallet steel structure according to the first embodiment of the present invention includes a plurality of upper panels 1 and a support unit 2. On each upper panel 1, an upwardly facing placement surface 11 is arranged at intervals. The support unit 2 includes two outer support columns 21 and at least one inner support column 22. Each outer support column 21 is connected to both sides of the bottom surface of each upper panel 1. The inner support column 22 is connected to the bottom surface of each upper panel 1 and is located between the outer support columns 21. The first embodiment has only a few inner support columns 22, which are connected to the center of the bottom surface of each upper panel 1. When the number of inner support columns 22 is large, the inner support columns 22 are installed at appropriate intervals. The outer side of the top surface of each outer support column 21 is provided with a cut prevention part 3 protruding upward. Each cut prevention part 3 is located on both sides of each upper panel 1. The top of each cut prevention portion 3 is aligned with the mounting surface 11 of each upper panel 1. The first embodiment is a single-layer structure (generally referred to as a one-way river-shaped pallet) that allows a forklift to enter the one-way pallet from a fixed direction and has only a few upper panels 1.

[0025] Both ends of each upper panel 1 are bent to form an R-shape. Each cut prevention portion 3 has no edges exposed to the outside, eliminating the risk of workers being cut and improving safety at the work site.

[0026] Please refer to FIG. 4. As shown in FIG. 4, both sides of each upper panel 1 of the first embodiment are folded inward, at least one reinforcing portion 12 is provided, and the reinforcing portion 12 is bonded to the inside of each upper panel 1. As can be seen from FIG. 5 and FIG. 6, each outer support column 21 and each inner support column 22 is a shaped steel with a horizontal opening (for example, a C-shaped steel material shown in FIG. 5) or a shaped steel with a closed tubular structure (second embodiment in FIG. 6) according to the load-bearing requirements. Each cut prevention portion 3 may be formed into a square tubular structure. The square tubular structure is formed by bending a shaped steel and is located on the outer side of the top surface of each outer support column 21. Each cut prevention portion 3 and each outer support column 21 are integrally molded. The central protrusion of each outer support column 21 and each inner support column 22 may be used for resistance welding.

[0027] Third embodiment Please refer to Fig. 7 and Fig. 8. As shown in Fig. 7 and Fig. 8, a cut prevention part 3 protruding downward is provided on the outer side of the bottom surface of each outer support column 21. Each cut prevention part 3 of the third embodiment is formed by folding back the top and bottom ends provided on the top and bottom of the shaped steel. When the steel plate is folded back, it is formed into an arc-shaped water drop shape, which prevents workers from being injured and allows multiple ground bottom plates 4 to be connected to the bottom surface of each outer support column 21 and the bottom surface of the inner support column 22 at intervals. Each cut prevention part 3 is located on both sides of each upper panel 1 and each ground bottom plate 4. Each ground bottom plate 4 is provided parallel to each upper panel 1. The metal pallet type steel structure according to the third embodiment is a one-way pallet that a forklift can advance from a fixed direction, and is a double-layer structure (generally called a one-way square pallet) having an upper panel 1 and a ground bottom plate 4.

[0028] (Fourth embodiment) Please refer to Fig. 9. As can be seen from Fig. 9, each cut prevention part 3 in the fourth embodiment is formed by folding back the top and bottom ends of the section steel to form a square structure, and cut prevention parts 3 of different shapes may be used according to actual needs.

[0029] Fifth embodiment Please refer to Figs. 10 to 13. The metal pallet type steel structure according to the fifth embodiment includes a plurality of upper panels 1 and a support unit 2. Each upper panel 1 has an upwardly facing mounting surface 11 and is arranged at intervals. The support unit 2 includes two external connection members 51, at least one internal connection member 52, at least six external support columns 21, at least three internal support columns 22, and at least three ground bottom plates 4. Each external connection member 51 is respectively coupled to both sides of the bottom surface of each upper panel 1. A cut prevention part 3 protruding upward is provided on the outer side of the top surface of each external connection member 51. Each cut prevention part 3 is located on both sides of each upper panel 1. The top of each cut prevention part 3 is aligned with the mounting surface 11 of each upper panel 1. The bottom surfaces of the two external connection members 51 are respectively coupled to the three external support columns 21 at intervals. The internal connection members 52 are respectively connected to the bottom surface of each upper panel 1 and are located between each external connection member 51. Three internal support columns 22 are connected to the bottom surface of the internal connection member 52 at intervals. Two ground bottom plates 4 are respectively connected to the bottom ends of the external support columns 21 on the bottom surfaces of the two external connection members 51. The ground bottom plate 4 is connected to the bottom ends of the internal support columns 22 on the bottom surface of the internal connection member 52. The metal pallet type steel structure according to the fifth embodiment has a structure in which the external support columns 21 on both outer sides and the internal support columns 22 in the center are not connected together (generally referred to as a bidirectional river-shaped pallet).

[0030] Since the fifth embodiment has only a few internal connection members 52, the internal connection members 52 are attached to the center of the bottom surface of each upper panel 1, and when there are a large number of internal connection members 52, the internal connection members 52 are attached at appropriate intervals. Three or more internal support columns 22 may be attached to the bottom surface of each internal connection member 52. Three external support columns 21 are attached to the bottom surface of each external connection member 51 in the fifth embodiment. Three internal support columns 22 may be attached to the bottom surface of the internal connection member 52. When there are a large number of external support columns 21 in each external connection member 51, the number of internal support columns 22 of the internal connection member 52 may be increased.

[0031] Please refer to FIG. 12. As shown in FIG. 12, the upper panel 1 of the fifth embodiment is rectangular and has two long sides and two short sides. Each long side extends downward at a predetermined angle for a predetermined length, and then extends horizontally toward the inside of the mounting surface 11 to the center of the mounting surface 11 to form a seam 13. Both side edges of the seam 13 each have a panel support portion 14 extending toward the mounting surface 11. Each panel support portion 14 is joined to each other. Since at least one panel support portion 14 is joined to the bottom of the mounting surface 11, the panel support portion 14 can increase the load capacity of the upper panel 1. The two panel support portions 14 of the fifth embodiment are joined to the bottom of the mounting surface 11.

[0032] After extending both sides of the bottom end of each ground bottom plate 4 of the fifth embodiment inward by a predetermined distance, the ground support parts 41 are vertically extended upward, and each ground support part 41 is attached to the top surface of each ground bottom plate 4, forming an inclination on each side of each ground bottom plate 4. Each ground support part 41 can increase the load capacity of the ground bottom plate 4, and also uses the inclination formed on both sides to prevent the ground bottom plate 4 from hitting the tires of a forklift when they approach, and prevents damage to the ground bottom plate 4 by bouncing the forks of the forklift when they collide with both sides of the ground bottom plate 4. Similarly, an inclination is formed on both sides of the bottom of each outer support column 21 and each inner support column 22, corresponding to the inclination on both sides of each ground bottom plate 4.

[0033] Please refer to Figures 13 and 14. As shown in Figures 13 and 14, each of the external connection members 51 and the internal connection members 52 is formed by folding a steel piece, and a support part 53 is provided on both the left and right sides of the bottom end of each of the external connection members 51 and the internal connection members 52. Each of the support parts 53 may be a closed tubular structure (see Figure 13) or a structure with an open side toward the inside (see Figure 14), and the type of each support part 53 may be changed according to the load-bearing requirements. As shown in Figures 13 and 14, the cut prevention part 3 and the outer support part 53 are composed of upper and lower ends of the same structure. For example, a steel plate is folded to form upper and lower ends of a rectangular structure. The central protrusion of each of the external connection members 51 and the internal connection members 52 may be used for resistance welding. Each of the cut prevention parts 3 and each of the external connection members 51 may be integrally formed.

[0034] Sixth embodiment Please refer to Fig. 15. As shown in Fig. 15, in the metal pallet type steel structure according to the sixth embodiment of the present invention, a ground bottom plate 4 is connected between the bottom end of each inner support column 22 and two outer support columns 21 on the left and right sides, respectively, to form a pallet commonly referred to as a two-way square pallet. When multiple inner connecting members 52 are used, the ground bottom plate 4 is connected between the bottom ends of each inner support column 22 of each inner connecting member 52, respectively.

[0035] Please refer to Fig. 16. As can be seen from Fig. 16, the support flaps 15 of the panel support parts 14 of the upper panel 1 may be used to increase the area bonded to the support surface 11, thereby further increasing the load-bearing capacity of the upper panel 1. Please refer to Fig. 17. As can be seen from Fig. 17, the two panel support parts 14 of the upper panel 1 are respectively bonded to the bottom of the support surface 11, and the support flaps 15 of each panel support part 14 may be used to increase the area bonded to the support surface 11, thereby increasing the load-bearing capacity of the upper panel 1. The various embodiments of the upper panel 1 may be manufactured by an integral molding method, or both ends of each upper panel 1 may be folded to form an R-shape.

[0036] Please refer to Fig. 18. As can be seen from Fig. 18, both sides of the bottom end of each ground bottom plate 4 are extended inward to the center of each ground bottom plate 4, and then the ground support parts 41 are extended vertically upward, and the ground support parts 41 are joined together. Various embodiments of the ground bottom plate 4 may be manufactured by a one-piece molding method.

[0037] As can be seen from the above, the metal pallet steel structure of the present invention has cut prevention parts 3 integrally molded on both sides of the metal pallet, which can prevent workers from being cut by the edges of the metal pallet at minimal cost, and can also prevent a lifter or forklift from colliding with the ground base plate 4 and causing damage or deformation, and can adjust the load-bearing strength of the pallet.

[0038] The preferred embodiments of the present invention have been disclosed above so that those skilled in the art can understand, but they are not intended to limit the present invention. Various changes and modifications can be made within the scope of the present invention. Therefore, the scope of the utility model registration claims of the present invention should be broadly interpreted to include such changes and modifications. [Explanation of symbols]

[0039] 1 Upper Panel 2 Support Unit 3 Cut prevention part 4 Ground bottom plate 11 Placement surface 12 Strengthening section 13. Seams 14 Panel support 15 Support flap edge 21 External support column 22 Inner support column 41 Ground support part 51 External connection parts 52 Internal connection parts 53 Support part A. Conventional metal panel A1 rectangular tube A2 C-shaped steel material A3 vertical billet

Claims

1. A metal pallet steel structure comprising a plurality of upper panels and a support unit, On the upper panel, upwardly facing placement surfaces are arranged at intervals, A metal pallet-type steel structure, characterized in that the support unit includes two outer support columns and at least one inner support column, the outer support columns are respectively connected to both sides of the bottom surface of the upper panel, and the inner support column is connected to the bottom surface of the upper panel and is located between the outer support columns, and the outer side of the top surface of the outer support column is provided with a cut prevention portion protruding upward, the cut prevention portion is respectively located on both sides of the upper panel, and the top of the cut prevention portion is aligned with the above-mentioned loading surface of the upper panel.

2. The metal pallet-type steel structure according to claim 1, characterized in that the outer bottom surface of each of the outer support columns is provided with a downwardly protruding cut prevention portion, and a plurality of grounding bottom plates are connected to the bottom surfaces of the outer support columns and the inner support columns at intervals, the cut prevention portions are located on both sides of the upper panel and the grounding bottom plate, and the grounding bottom plate is arranged parallel to the upper panel.

3. The metal pallet steel structure according to claim 1, characterized in that the outer support column and the inner support column are shaped steel beams that open laterally.

4. The metal pallet type steel structure according to claim 1, characterized in that the outer support column and the inner support column are shaped steels with a closed tubular structure.

5. The metal pallet type steel structure according to claim 2, wherein the anti-scratch parts are formed on each of the square tubular structures.

6. A metal pallet steel structure comprising a plurality of upper panels and a support unit, The upper panels have a placement surface facing upward and are arranged at intervals, The support unit includes two external connection members, at least one internal connection member, at least six external support columns, at least three internal support columns, and at least three grounding bottom plates, the external connection members are respectively coupled to both sides of the bottom surface of the upper panel, and the outer side of the top surface of the external connection members is provided with an upwardly protruding cut prevention part, the cut prevention part is respectively located on both sides of the upper panel, the top of the cut prevention part is aligned with the above-mentioned placement surface of the upper panel, and the two external connection members are respectively coupled to both sides of the bottom surface of the upper panel, and the cut prevention part is provided with an upwardly protruding cut prevention part on the outer side of the top surface of the upper panel. the bottom surfaces of the connecting members are respectively connected to the three external support columns at intervals, the internal connection members are respectively connected to the bottom surfaces of the upper panels and are located between the external connection members, the three internal support columns are connected to the bottom surfaces of the internal connection members at intervals, the two grounding bottom plates are respectively connected to the bottom ends of the external support columns on the bottom surfaces of the two external connection members, and the grounding bottom plates are connected to the bottom ends of the internal support columns on the bottom surfaces of the internal connection members.

7. The metal pallet steel structure according to claim 6, characterized in that the ground bottom plate is connected between the bottom end of the inner support column and the two outer support columns on the left and right sides, respectively.

8. Support portions are provided on both the left and right sides of the bottom ends of the external connection member and the internal connection member, The metal pallet type steel structure according to claim 6 or 7, characterized in that the support part is a closed tubular structure.

9. Support portions are provided on both the left and right sides of the bottom ends of the external connection member and the internal connection member, 8. The metal pallet type steel structure according to claim 6 or 7, characterized in that the support portion has a structure in which the side portion is open toward the inside.

10. The metal pallet-type steel structure according to claim 2, 6 or 7, characterized in that after both sides of the bottom end of the grounding bottom plate are extended inward a predetermined distance, the grounding support parts are each extended vertically upward, and the grounding support parts are each attached to the top surface of the grounding bottom plate, thereby forming a slope on both sides of the grounding bottom plate.

11. The two sides of the bottom end of the grounding bottom plate are extended inward to the center of the grounding bottom plate, and then the grounding support parts are extended vertically upward; The metal pallet type steel structure according to claim 2, 6 or 7, characterized in that the ground support parts are joined to each other, the ground support parts are attached to the top surfaces of the ground bottom plate, and a slope is formed on each side of the ground bottom plate.

12. the upper panel is rectangular and has two long sides and two short sides, the long sides extending downward at a predetermined angle for a predetermined length and then extending horizontally toward the inside of the placement surface until it reaches the center of the placement surface to form a seam; The metal pallet type steel structure described in claim 1, 2, 6 or 7, characterized in that both side edges of the joint each have a panel support portion extending toward the storage surface, the panel support portions are joined to each other, and at least one of the panel support portions is joined to the bottom of the storage surface.

13. The metal pallet type steel structure according to claim 12, characterized in that the panel support portion joined to the bottom of the placement surface has a support flap edge joined to the bottom of the placement surface.

14. The metal pallet type steel structure according to claim 12, characterized in that the panel support parts are respectively joined to the bottom parts of the placement surfaces.

15. The metal pallet type steel structure according to claim 14, characterized in that the panel support parts each have a support flap edge which joins to the bottom of the placement surface.

16. The two sides of the upper panel are folded inwardly to provide at least one reinforcement portion; The metal pallet type steel structure according to claim 1, 2, 6 or 7, characterized in that the reinforcing parts are bonded to the inside of the upper panel, respectively.