JP2014005024A - Welded pallet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve problems in which corner sections of corner, middle and center beams are damaged, and the damage rate of the damage to the corner section of the center beam is higher than those to the other corner sections.SOLUTION: Provided is a welded pallet formed by welding a pair of skids, in which an upper skid side horizontal plate-like section is formed at an upper skid constituting a cylindrical part, and a lower skid side horizontal plate-like section is formed at a lower skid constituting a cylindrical part. Therefore, when the fork of a forklift comes into contact with the welded pallet, corner and center beams of the welded pallet can be prevented from being damaged, and the strength and rigidity of the welded pallet can be increased.

Description

  The present invention relates to a welding pallet formed by welding an upper skid and a lower skid, which are semi-finished products made of synthetic resin, at the spar.

  Conventionally, a welding pallet formed by welding an upper skid and a lower skid, which are semi-finished products formed integrally, at a girder portion is disclosed in Patent Document 1 as an example.

  Patent Document 1 discloses an upper skid having a rectangular shape in plan view having a corner beam portion formed at four corners, an intermediate beam portion formed in the middle of the corner beam portion, and a center beam portion formed at the center portion. Similarly, a corner girder portion formed at the four corners, a middle girder portion formed in the middle of the corner girder portion, and a lower skid having a central girder portion formed at the center portion, respectively, are made of synthetic resin. And the end face of the upper girder, the end face of the middle girder and the end face of the central girder, the end face of the lower girder, the end face of the middle girder and the end face of the middle girder. There are known welding pallets that are formed by welding each other.

  As described above, by welding the corner girder of the upper skid and the corner girder of the lower skid, the corner girder of the welding pallet is formed, and the intermediate girder of the upper skid and the lower skid are welded. By doing so, the intermediate girder of the welding pallet is formed, and further, the central girder of the welding pallet is formed by welding the central girder part of the upper skid and the central girder part of the lower skid. A fork insertion opening into which a fork of a forklift is inserted is formed between the corner beam and the intermediate beam and between the intermediate beam and the central beam.

JP 2001-261039 A

In the welding pallet described above, of the corners of the corner beam, the middle beam and the center beam,
There is a problem that the corners of the corner beam, the middle beam, and the center beam are damaged because the strength of the corners at which the fork of the forklift inserted into the fork insertion opening is likely to come into contact is low.

  In particular, in the above-described four-way welding pallet, the forklift operator cannot visually recognize the corners of the central girder, so the corners of the central girder are more damaged than the other corners. There was a problem that the rate was large.

  An object of the present invention is to solve the problems of the above-described conventional welding pallet.

  In the welding pallet formed by welding a pair of skids to achieve the above-described object, the present invention forms an upper skid side horizontal plate-like portion on the upper skid constituting the cylindrical portion, A lower skid-side horizontal plate-like portion is formed on the lower skid constituting the cylindrical portion.

  As described above, in the welding pallet formed by welding a pair of skids, an upper skid side horizontal plate-like portion is formed on an upper skid constituting the tubular portion, and a lower skid constituting the tubular portion. In addition, since the lower skid side horizontal plate-shaped part is formed, when the fork of the forklift comes into contact with the welding pallet, it is possible to prevent the corner pallet and the central girder of the welding pallet from being damaged and the strength of the welding pallet And can increase rigidity.

FIG. 1 is a perspective view of a welding pallet according to the present invention. FIG. 2 is an enlarged perspective view including a partial cross section of the present invention. FIG. 3 is an enlarged perspective view including a partial cross section of the present invention. FIG. 4 is an enlarged perspective view including a partial cross section of the present invention.

  Examples of the present invention will be described below. However, the present invention is not limited to these examples as long as the gist of the present invention is not exceeded.

  First, the whole structure of the welding pallet P is demonstrated using FIG.1 and FIG.2. In addition, since the whole structure of the welding pallet P is well-known so that patent document 1 etc. may be disclosed, detailed description is abbreviate | omitted.

  The welding pallet P is formed by welding the upper skid P1 and the lower skid P2, as disclosed in Patent Document 1 and the like. The upper skid P1 includes a corner girder portion 1 ′ formed at the four corners of the upper skid P1, an intermediate girder portion 2 ′ formed in the middle of the corner girder portion 1 ′, and a central girder portion 3 ′ formed at the center portion. The upper skid P1 having a square shape with the same shape, the corner girder portion 1 ″ formed at the four corners, the intermediate girder portion 2 ″ formed in the middle of the corner girder portion 1 ″, and the central portion A lower skid P2 having a square shape with a central girder portion 3 ″ is formed integrally with a synthetic resin. Then, the corner beam 1 'of the upper skid P1, the corner beam 1 "of the lower skid P2, the intermediate beam 2' of the upper skid P1, the intermediate beam 2" of the lower skid P2, and the central beam of the upper skid P1. The welding pallet P is formed by welding the part 3 ′ and the central girder part (not shown) of the lower skid P2 with the welding surface M.

  The pallet P formed by welding the upper skid P1 and the lower skid P2 has a corner beam 1 formed by the corner beam 1 'of the upper skid P1 and the corner beam 1 "of the lower skid P2. Further, an intermediate girder 2 is formed by the intermediate girder part 2 ′ of the upper skid P1 and the intermediate girder part 2 ″ of the lower skid P2, and further, the central girder part 3 ′ of the upper skid P1 and the lower girder P2 A central beam 3 is formed by the central beam part.

  The welding pallet P is formed with a fork insertion port 4 for inserting a fork of a forklift between the corner beam 1 and the intermediate beam 2 and between the intermediate beam 2 and the central beam 3. In this way, a so-called four-way welding pallet P is formed.

  A rectangular tube-shaped portion T is formed on the inner corner (the corner facing one of the four corners 3a of the central beam 3) 1a of the corner pallet 1 of the welding pallet P described above. 3 are also formed in the four corners 3a. Such an inner corner 1a of the corner beam 1 and the four corners 3a of the center beam 3 are the corner portions 1a that the fork easily touches when the fork of the forklift is inserted into the fork insertion port 4. 3a, and vertical reinforcing ribs t1 extending from the upper deck p1 to the lower deck p2 of the welding pallet P are formed in the rectangular tube-shaped portions T formed in the corners 1a and 3a.

  Next, the configuration of the rectangular tubular portion T will be described with reference to FIGS. 3 and 4, taking the rectangular tubular portion T formed in the corner 3 a of the central girder 3 as an example.

  An upper skid side horizontal plate portion t1 ′ is formed at the lower end of the upper skid side portion T1 of the upper skid P1 that forms the square tube portion T, and the lower skid that forms the square tube portion T. A lower skid side horizontal plate portion t2 ′ is formed at the upper end of the lower skid side portion T2 of P2. When the welding pallet P is formed, between the upper skid side horizontal plate portion t1 ′ and the lower skid side horizontal plate portion t2 ′, the upper skid side portion T1 and the lower skid P2 of the upper skid P1 are arranged. When the lower skid side portion T2 is welded, a molten resin space A1 in which the molten resin is accommodated is formed.

  An upper skid side horizontal plate portion t1 ′ is formed at the lower end portion of the upper skid side portion T1 of the upper skid P1 constituting the rectangular tubular portion T, and the lower skid of the lower skid P2 constituting the rectangular tubular portion T Since the lower skid side horizontal plate portion t2 'is formed at the upper end of the side portion T2, when the fork of the forklift comes into contact with the welding pallet P formed by welding the upper skid P1 and the lower skid P2. In addition, it is possible to prevent the corner beam 1 and the center beam 3 of the welding pallet P from being damaged, and to increase the strength and rigidity of the welding pallet P.

  As shown in FIG. 4, a drain hole t3 can be formed in the upper skid side horizontal plate portion t1 'and the lower skid side horizontal plate portion t2'.

  Further, the upper skid side horizontal plate-like portion t1 ′ formed on the upper skid side portion T1 of the upper skid P1 having the same configuration also at the corner portion of the intermediate beam 2 where the fork of the forklift may come into contact, A lower skid side horizontal plate portion t2 ′ formed in the lower skid side portion T2 of the lower skid P2 can be formed.

P ···················· Pallet P1 ···········································································・ ・ Rectangular tube part t1 ′ ・ ・ ・ ・ ・ ・ ・ ・ Upper skid side horizontal plate part t2 ′ ・ ・ ・ ・ ・ ・ ・ ・ Lower skid side horizontal plate part 1 ・ ・ ・ ・ ・ ・・ ・ ・ ・ Corner girder 2 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Intermediate girder 3 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Center girder

Claims (1)

In a welding pallet formed by welding a pair of skids, an upper skid side horizontal plate portion is formed on the upper skid constituting the cylindrical portion, and a lower skid side is formed on the lower skid constituting the cylindrical portion. A welding pallet characterized by forming a horizontal plate-like portion.

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