DK153753B - MATERIALS HANDLING PALL - Google Patents

Description

in

DK 153753 B

The present invention relates to pallets of the kind used to transport many different kinds of goods and goods.

Wooden pallets are widely used, but suffer from several disadvantages, including not least that they are easily damaged. Furthermore, 05 wooden pallets like to absorb moisture, which leads to increased weight and often to degradation of the timber.

Various metal pallets have been proposed; but no one has achieved commercial success, especially because of the necessary weight of the metal pallet and / or its price.

There is known a pallet constructed with a number of parallel boards in upper and lower decks, a number of intermediate and transverse metal profiles therebetween and a number of metallic spacers, which metallic profiles and spacers together form a connection between the upper decks and the lower decks.

15 This pallet necessarily suffers from the disadvantages mentioned above in connection with wood pallets, but it also has the disadvantage that its strength will be very different depending on the places and in which directions it is affected. The bending strength will, in a certain direction, depend solely on wooden planks and in the direction perpendicularly 20 thereafter depend solely on metal profiles. It is therefore difficult to optimize such a pallet so that, for example, a given elasticity and tensile strength are obtained for arbitrary directions of action, which in practice means that it must be dimensioned sufficiently strongly.

It is therefore an object of the present invention to provide an improved pallet which is constructed to be constructed of lightweight materials without impairing its load carrying capacity.

According to the invention there is provided a pallet comprising a tire, a baseplate and a plurality of parallel rods connecting the disc, which are characterized in that each ridge in cross section is H-shaped with upper and lower pairs of leg portions above and below an intermediate body, which leg portions incline at an oblique angle to the intermediate body, and the upper legs of each vane are connected to the tire and the lower legs of each vane are connected to the base surface.

This results in a pallet which can easily be manufactured from thin plate-shaped materials, the strength of which can be dimensioned and optimally adapted to the current loads.

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DK 153753 B

Each vane according to the invention may preferably be formed by welding two cross-sectional U-shaped elements together at their body parts. The cross-sectional shaped members may have outwardly flanged at the free end edges of their legs, welded to the pallet deck at the free end edges 05 of the upper element legs, and at the flanges of the lower elements are welded to the pallet base plate.

For an understanding of the invention and how it is practiced, reference is made to the accompanying drawings, in which:

Fig. 1 is a perspective view of a pallet according to an embodiment of the invention; Fig. 2 is an end view of the pallet of Fig. 1 with parts removed in the direction of arrow A; Fig. 3 is an enlarged end view of a so-called plank in the tire. of the pallet shown in Figure 1, Figure 4 is an enlarged end view of a pallet in the pallet shown in Figure 1, Figure 5 is an end view of an alternative side channel of the pallet of Figure 1, and Figure 6 is an end view of a protective cap for the pallet shown. 20 in Figure 1.

The pallet 10 shown in the drawing has a load-bearing tire 11, a base surface 12 and three racks 13 connected between the tire 11 and the base surface 12. The tire 11 has four so-called planks 40 formed of a high strength thin steel plate which is pressed up in the corrugated form. shown in Figure 3. In this case, the density of the corrugations is 75 mm and the height of each corrugation is approximately 23 mm. However, the density of the corrugations (P) can be varied as desired to suit pallet size variations. The tire 11 can have any desired shape or configuration. There could, for example. be more or less 30 planks 40 closer together or farther apart, or the deck 11 could be unbroken.

As shown in Figure 3, the plank 40 has upper bodies 14 and lower bodies 16 interconnected by leg portions 15. Although the upper body 14 of plank 40 is shown as horizontal, it can of course be curved.

As shown in Figure 1, the base 12 consists of a central corrugated board 20 and two side planks 21. The side planks 22 are mounted along 3

DK 153753 B

the outer edges of the outer planks 40 of the deck 11 and the side portions 21 of the base surface 12. As seen in Figure 2, each side plank 22 has a flange 41 with which the plank 22 is welded to the racks 13. The planks 22 have a rounded nose portion 43 at their end. as shown in Figure 05 2. A side molding 43 can be inserted over the ends of the deck planks and its base 12 parts 20, 21 as shown in Figure 1.

An enlarged view of a vane 13 is shown in Figure 4. In this case, the vane 13 consists of an upper sectional U-shaped profile 30 and a lower sectional U-shaped profile 31 welded to their bodies 32, the opening of each profile facing outwards. Each U-profile 30, 31 has inclined leg portions 33, 34 at an inclined angle (W) with the bodies 32. At the free end edges of the leg portions 33, 34 there are outwardly directed flanges 35, at which the vane 13 is welded together with the tire 11 and the base 12. As shown in Figure 4, the width of each flange 35 is about half the width of the body 32. In one embodiment of the invention, the body 32 is effectively 27 mm wide, the leg portions 33, 34 effectively 47 mm wide and the flanges 35 effectively 15 mm wide.

The choice of the angle (W) between the leg sections 33, 34 and the body is a compromise between the optimal angles for each of the loads 20 to which a pallet may be exposed. At a load distributed evenly across the tire 11, the optimum angle (W) is zero, i.e. the leg sections 33, 34 should be vertical. In the case of bending at point loads applied between the bars 13, the optimum angle (W) is zero; however, the width of the body 32 is somewhat critical. In case 25 of displacement (i.e., a load is applied longitudinally of the tire 11 and along the base surface 12, but in opposite directions), the optimum angle (W) is 30 °.

Taking all these factors into account, a preferred angle (W) is 15 °; but angles between zero and 30 ° can be used in 30 certain circumstances. Thus, the angle between the leg portions and the intermediate bodies may be from 90 ° to 120 °, with 105 ° being preferred.

The side channel shown in Figure 5 is substantially similar to that shown in Figure 2; but the rounded nose 42a has a curved configuration.

An advantage of the construction of a pallet according to the invention is that the pallet can be designed according to relevant standards. Furthermore, the optimal choice of angle between the legs and body in each channel leads in

DK 153753 B

4 the weight and choice of a suitable high-strength material for a pallet of outstanding lightness and strength.

Various modifications can be made in detail to the design and structure without departing from the scope and scope of the invention. Eg. For example, a closure plate 50 may be welded over the ends of each vane 13 as shown in FIG. 27 of the tire 11 and the base 12.

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Claims (6)

A material handling pallet comprising a tire, baseplate and a plurality of parallel rods connecting these FEATURES in that each ridge in cross section is H-shaped with upper and lower pairs 05 of leg portions above and below an intermediate body, which leg portions incline at an inclined angle with respect to the intermediate body, and that the upper legs of each vane are connected to the tire and the lower legs of each vane are connected to the ground surface. 2. A material handling pallet according to claim 1, characterized in that each vane is formed by welding two cross-sectional U-shaped elements together at their body. Material handling pallet according to claim 2, characterized in that the cross-sectional U-shaped elements have outward flanges at the free end edges of their legs and the outward flanges at the 15 free end edges of the legs in the upper elements are welded to the pallet deck and the flanges at the lower elements are welded to the pallet base plate. 4. A material handling pallet according to claim 1, characterized in that the angle between the leg parts and the intermediate body is from 20 90 ° to 120 °. The material handling pallet according to claim 1, characterized in that the angle between each leg member and the intermediate body is 105 °. 5 DK 153753 B 6. A material handling pallet according to claim 3, characterized in that closure plates are attached to the ends of the posts. 1 35