KR20030010766A - Iron palette with hole for decreasing weight formed - Google Patents

Abstract

PURPOSE: Provided is an iron palette with a hole for decreasing weight formed which forms the hole at an upper sheet and a lower sheet to decrease weight with keeping the strength of the palette so that it reduces cost in transferring the palette. CONSTITUTION: The iron palette with the hole is characterized by including the upper(1) and the lower sheet wherein a concave part and a convex part are intersected repeatedly with circular section and plural holes for decreasing weight are punched on the surface and distant from a bending part of a border line between the concave part and the convex part, in which the distance between the holes is 5mm in the direction of length side at a contact side with the bottom of the loaded articles.

Description

Steel pallet with holes for weight reduction {omitted}

The present invention relates to a pallet formed with a hole for weight reduction, and the conventional steel pallet is to be manufactured on-site at the factory to move the finished product to the vehicle, thereby increasing the logistics cost.

Accordingly, an object of the present invention is to be able to reduce the weight of the steel pallet without reducing the strength in producing the steel pallet.

1 is a perspective view of a steel pallet formed with a hole for weight reduction and composed of a top plate and a leg member

Figure 2 is a partial detailed view of Figure 1 formed a hole for reducing weight

Figure 3 is an exploded perspective view of the steel pallet formed with a hole for reducing weight, consisting of a top plate and a leg member

4 is a partial detailed view of FIG. 3 in which a hole for reducing weight is formed;

5 is a view showing a coupling relationship between the coupling projection formed in the leg member and the coupling hole drilled in the upper plate

FIG. 6 is a view illustrating a coupling relationship between a coupling protrusion formed in the top plate and a coupling hole drilled in the leg member in another example of a steel pallet including a top plate and a leg member.

7 is a perspective view of an iron pallet consisting of an upper plate, an upper middle plate, an intermediate support, and a lower plate and a lower plate as another embodiment;

8 is a partial detailed view of FIG. 7 in which a hole for reducing weight is formed;

9 is a perspective view of the intermediate support is formed with the engaging projection

10 is a view showing a coupling relationship between the coupling protrusion formed in the intermediate support and the coupling hole drilled in the upper middle plate and the upper plate;

11 is a view showing a coupling relationship between the coupling protrusion formed on the upper plate and the coupling hole drilled in the upper middle plate and the intermediate support;

12 is a view showing a coupling relationship between a coupling protrusion formed on an intermediate support and an upper middle plate and a coupling hole drilled on the upper plate.

FIG. 13 is a view showing a coupling relationship between a coupling protrusion formed in the upper plate and the upper middle plate and a coupling hole drilled in the intermediate support.

Figure 14 is a perspective view of a pallet formed of three rows of weight reducing holes of the present invention

FIG. 15 is a partial detailed view of FIG. 14 in which three holes for reducing weight are formed;

<Explanation of symbols for the main parts of the drawings>

1: top plate 2: leg member

3: Upper middle plate 4: Intermediate support

5: lower middle plate 6: lower plate

7: engaging projection 8: engaging hole

9: hole for weight reduction

The present invention relates to a steel pallet with a hole for weight reduction, the configuration of which is the upper plate and the lower plate used for the steel pallet, wherein the upper plate and the lower plate has a square wave shape in cross section, the convex portion and the concave portion are alternately repeated up and down. It has a shape, and a plurality of holes for weight reduction are drilled in the surface, and the distance between the spherical and convex portions and the concave portions of the spherical and concave portions, that is, the length in the horizontal direction with the ground, is about 10 to 33 mm, preferably about 11 mm The height, that is, the distance in the vertical direction is about 10 to 14 mm, and the shape of the weight-reducing hole is generally circular, and is 2 mm or more, preferably 2 to 3 mm, spaced apart from the bent portion that is the boundary between the convex portion and the concave portion. Formed in the longitudinal direction between the holes, that is, the surface in contact with the bottom surface of the load, the distance between the holes in the long side direction is 5mm More preferably a steel pallet having a good heavy-hole characterized in that the weight while maintaining the same strength of the pallet by a degree, the heavy use hole 5mm.

In addition, the shape of the hole may be produced in an oval or polygon. If necessary, the convex portion and the concave portion are manufactured so that a plurality of weight reducing holes are formed in three lines, respectively.

The technical configuration of forming the weight reduction hole of the present invention in the steel pallet can be applied to the prefabricated steel pallet representatively. Prefabricated pallets used in the present invention is generally a steel pallet consisting of a top plate and a leg member, a plurality of the top plate is installed, the cross-section is a square wave shape, the convex portion and the concave portion is alternately repeated up and down shape, the A plurality of coupling holes are drilled in each of the recesses, and a plurality of leg members are installed, and a cross-section is formed in a long channel shape having a 'U' shape, and a plurality of coupling protrusions are formed at both sides of an opening portion of the leg member. Since the coupling protrusion is inserted into the coupling hole of the upper plate, the upper plate and the leg member are firmly assembled, and in the steel pallet composed of the upper plate, the lower plate and the intermediate support, the upper plate and the lower plate are provided with a plurality of cross-sections. A square wave shape in which the convex portion and the concave portion are alternately repeated up and down, and each of the concave portions has a plurality of coupling holes. The intermediate support has a rectangular parallelepiped shape of which the upper and lower surfaces are open, the cross section of which is quadrilateral, and the corresponding both sides of the open portion of the upper and lower surfaces are bent to the outside, and the engaging projection is formed on the bent surface. Both sides have a square wave shape, and the convex portion and the concave portion are formed vertically alternately, and the intermediate support, the upper plate, and the lower plate are firmly assembled by inserting the coupling protrusion of the intermediate support into the coupling hole of the upper and lower plates. After being inserted into the ball is bent in the outer direction of the coupling hole is more closely coupled to each other, and also, the coupling hole is formed between the upper plate and the intermediate support and between the lower plate and the intermediate support, respectively, in order to load larger cargo The prefabricated steel pallet is installed so that the upper middle plate and the lower middle plate are inserted to intersect the upper plate and the lower plate at a right angle. .

The engagement hole and the weight reduction hole may be formed separately or simultaneously.

In addition, the present invention described above is applied to the prefabricated steel pallet, but the present invention to form a hole for weight reduction on the surface of the plate is a plate of the steel pallet by the general piece fastening, welding, etc., except for the prefabricated steel pallet, It is possible to apply to the lower plate, middle support, intermediate plate.

That is, it is possible to apply to the top plate or the like generally used for iron plate pallet irrespective of the coupling means.

The present invention is described in detail by the accompanying drawings as follows.

1 is a perspective view of a steel pallet formed with a hole for weight reduction and composed of an upper plate and a leg member. 2 is a partial detailed view of FIG. 1 in which a hole for reducing weight is formed. Figure 3 is an exploded perspective view of the steel pallet formed with a hole for reducing weight and composed of a top plate and a leg member. 4 is a partial detailed view of FIG. 3. 5 is a view showing a coupling relationship between the coupling protrusion formed in the leg member and the coupling hole drilled in the upper plate. FIG. 6 is a view illustrating a coupling relationship between a coupling protrusion formed in the top plate and a coupling hole drilled in the leg member in an iron pallet including the top plate and the leg member. 7 is a perspective view of an iron pallet composed of an upper plate, an upper middle plate, an intermediate support, a lower middle plate, and a lower plate as another embodiment. FIG. 8 is a partial detailed view of FIG. 7 in which a hole for reducing weight is formed, FIG. 9 is a perspective view of an intermediate support on which a coupling protrusion is formed, and FIG. 10 is perforated on the coupling protrusion formed on the intermediate support and the upper middle plate and the upper plate. It is a figure which shows the coupling relationship with a coupling hole.

11 is a view showing a coupling relationship between the coupling protrusion formed on the upper plate and the coupling hole drilled in the upper middle plate and the intermediate support, Figure 12 is a coupling protrusion formed in the intermediate support and the upper intermediate plate and the coupling hole drilled in the upper plate FIG. 13 is a view showing a coupling relationship, and FIG. 13 is a view showing a coupling relationship between a coupling protrusion formed on an upper plate and an upper middle plate and a coupling hole drilled in an intermediate support. FIG. 14 is a perspective view of a pallet having three rows of weight reducing holes, and FIG. 15 is a partial detailed view of FIG.

In the above processing of the hole there is a method of punching the hole as it is and a method of strengthening the hole by giving a step.

The shape of the weight reducing hole is generally circular, and is formed 2 to 3 mm apart from the bent portion, which is the boundary line between the convex portion and the concave portion, and in the longitudinal separation distance between the holes, that is, the surface that is in contact with the bottom surface of the load. The spacing between the holes in the long side direction is about 5 mm, which is the result of the optimum design and several tests, and is the most suitable value for reducing the weight of the pallet without deteriorating the strength of the pallet.

This is not a simple numerical limitation, but is a useful invention in which progress is made in the purpose and composition, and thereby a remarkable effect occurs. Therefore, in the present invention, the weight reduction hole may be selectively formed in the upper plate, the lower plate, the intermediate plate, or the like in the steel pallet, separately from or simultaneously with the joining hole, so that the pallet can be manufactured lightly and conveniently.

The present invention has the effect that by reducing the weight while maintaining the strength of the pallet as it is formed by forming a hole for weight reduction in the upper plate, the lower plate, as described above, it is possible to reduce the logistics costs due to the transfer of the pallet.

Claims (4)

In the upper plate and the lower plate used for the steel pallet, the upper plate and the lower plate has a cross-sectional shape of a square wave, and the convex portion and the concave portion are alternately repeated up and down, and the surface has a plurality of holes for weight reduction, respectively. The shape of the weight reducing hole is generally circular, and is formed 2 to 3 mm apart from the bent portion, which is the boundary line between the convex portion and the concave portion, and in the longitudinal separation distance between the holes, that is, the surface that is in contact with the bottom surface of the load. The distance between the holes in the long side direction is about 5mm, the steel pallet with a hole for reducing weight, characterized in that the weight is reduced while maintaining the same strength by the weight reducing hole. The steel pallet according to claim 1, wherein the hole has an oval shape or a polygonal shape. The steel pallet according to claim 1, wherein the convex portion and the concave portion are each formed of three rows of weight reducing holes. The steel pallet according to claim 1, wherein the weight reduction hole is formed in the intermediate plate used for the steel pallet.