JP3226744U - Pallet stacking kit and stacking attachment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pallet stacking kit and a stacking attachment which do not cause a loss in a space in a warehouse. SOLUTION: L-shaped stacking attachments 13 are hooked on the outer surfaces of the four corners of a pallet 12 respectively, and then, adjacent ones of the stacking attachments 13 are connected by four wedge-shaped connecting bars 15. Hang each. Next, the lower ends of the angled columns 14 are respectively inserted into the column pockets 19 of the attachments 13 for stacking, and the upper ends of diagonally arranged columns of the columns 14 are two crossbars. It is detachably connected via 16. As a result, compared to the conventional kit that uses round pipes for the support columns, the width of the support columns 14 protruding from each stacking attachment 13 becomes shorter, and loss in the storage space is less likely to occur. [Selection diagram] Figure 1

Description

This invention relates to a pallet stacking kit and a pallet stacking attachment, more specifically, a pallet stacking kit and a pallet stacking kit for stacking pallets at predetermined height intervals by retrofitting to a pallet for storage and transportation. Regarding attachments for loading.

A pallet used for cargo handling work by a forklift is a rectangular plate-shaped body on the top surface of which pallets are loaded and a side surface of which is provided a fork insertion hole into which a fork of the forklift truck is inserted.
In recent years, the loads on pallets unloaded from trucks, etc., are not re-stored in storage shelves, but by adding a stacking frame (pallet stacking kit) to the pallets and stacking them together. Racks are constructed and stored efficiently.

As a conventional stacking frame, for example, the one described in the section of the related art of Patent Document 1 is known. This is attached to each frame corner of the pallet and the frame main body of the structure in which two sets of skeletons made of U-shaped round pipes are rotatably supported at the middle part in the lengthwise direction of the upper bars. A cylindrical container-shaped strut receiver into which a lower end portion of a strut of a corresponding frame is removably fitted is provided with four stacking attachments fixed to the outer surface.

When using the stacking frame, first attach the stacking attachments to the four corners of the pallet, and then attach the lower ends of the columns of the two sets of skeletons arranged in a cross in plan view to the corresponding stacking. Insert into the column supports of the attachments. Thereby, the stacking frame is assembled to the pallet. After that, another pallet is placed on the frame main body of the assembled stacking frame.

JP, 9-328126, A

However, as described above, round pipes are used for the columns of the frame structure of the conventional stacking frame. Therefore, each stacking attachment has a structure in which corresponding columns are supported at positions protruding to the left and right sides of the pallet. As a result, when arranging pallets with stacking frames adjacent to each other as a rack element, it is necessary to provide an interval of at least twice the diameter of the columns between adjacent pallets. There was a loss in storage space.

The present invention has been made in view of the above-mentioned problems of the prior art, and an object thereof is to provide a pallet stacking kit and a stacking attachment in which a storage space at a storage location is less likely to be lost.

The invention according to claim 1 is a pallet stacking kit for stacking the pallets by retrofitting to a rectangular pallet having a pair of fork insertion openings arranged on opposite side faces thereof. Of the four L-shaped stacking attachments that are hooked to the outer surfaces of the four corners of the pallet, the four angle-shaped struts that are arranged at the four corners of the pallet, and the stacking attachments that are adjacent to each other Each of the stacks has four wedge-shaped connecting bars that detachably connect each other, and two crossbars that detachably connect the upper ends of diagonally arranged ones of the columns. The pallet stacking kit is provided with L-shaped strut pockets on the outer side of the bent portion of the attachment for supporting the lower ends of the corresponding strut with their bending directions aligned.

The material of the pallet is not limited. For example, various synthetic resins, various woods, various metals may be used.
The type of pallet is arbitrary. For example, it may be a general-purpose pallet used for truck transportation.
The fork insertion port may be formed on either one or both of the opposing side surfaces (front surface-rear surface, left surface-right surface) of the two pairs of rectangular pallets.
The materials for the stacking attachment, the column, the wedge-shaped connecting bar, and the crossbar are not limited respectively. For example, various metals such as iron and steel can be adopted.
The height of the pillar is arbitrary. It is appropriately selected according to the size of the package and the number of packages.
The connecting structure between the wedge-shaped connecting bar and the adjacent stacking attachment is arbitrary. For example, a hook retaining structure, a fitting structure, a bolt nut structure, etc. can be adopted.

The invention according to claim 2 is the pallet according to claim 1, wherein each of the stacking attachments is provided with a pallet locking plate piece that is locked to an end face forming portion of a corresponding fork insertion port. It is a stacking kit.

The pallet retaining plate piece may be formed integrally with the stacking attachment or may be formed separately.
The shape of the pallet retaining plate piece is arbitrary as long as the stacking attachment can be retained on the end face forming portion of the corresponding fork insertion port.
Moreover, the number of pallet retaining plate pieces formed may be one or more.

According to a third aspect of the present invention, each of the wedge-shaped connecting bars is a wedge-shaped connecting bar having a pair of hooking claws arranged at both ends in each length direction, and each of the attachments for stacking has a corresponding wedge-shaped connecting bar. The pallet stacking kit according to claim 1 or 2, wherein a pair of wedge pockets are provided on which the hooks of the connecting bar are hooked.

The shape of the latch claw is arbitrary.
The shape of the wedge pocket and the formation position of the stacking attachment are also arbitrary.

According to a fourth aspect of the present invention, the pallet is hooked to the outside of the corner of a rectangular pallet having a pair of fork insertion openings on the opposite side faces, and the pallet is attached via an angled column. An L-shaped stacking attachment used when stacking, wherein the lower ends of the columns are hooked outside the bent portion of the stacking attachment so that their bending directions match each other. The attachment for stacking is provided with an L-shaped support pocket portion.

The invention according to claim 5 is the stacking attachment according to claim 4, wherein the stacking attachment is provided with a pallet locking plate piece that is locked to the end face forming portion of the corresponding fork insertion port. It is an attachment.

The invention according to claim 6, wherein the stacking attachment is mounted on another stacking attachment that is hooked at a corner of the four corners of the pallet adjacent to the corner. The stacking attachment according to claim 4 or 5, further comprising a wedge pocket portion to which a hooking claw of a wedge-shaped connecting bar for detachably connecting the attachment is attached.

The number of wedge pockets formed is arbitrary. However, of the four corners of the pallet, centering on the corner where the stacking attachment is hooked, so that it can be connected to a pair of other stacking attachments that are arranged at the corners on both sides, It is preferable to form one.

According to the pallet stacking kit according to claim 1, L-shaped stacking attachments are hooked on the outer surfaces of the four corners of the pallet, and then, among the stacking attachments, adjacent ones are attached to each other. It is hooked by four wedge-shaped connecting bars.
Then, the lower ends of the angled columns are respectively inserted into the column pockets of the stacking attachment with their bending directions aligned, and four columns are erected at the four corners of the pallet. ..

Further, among these columns, the upper ends of diagonally arranged columns are hooked and connected by two crossbars.
A pallet in which a pair of forks is inserted into the respective fork insertion openings is lifted by a forklift and stacked on the crossbar arranged in a cross in this manner.
Since the pallet stacking kit is configured in this way, the width (length) of the pillar protruding from each stacking attachment becomes shorter compared to the conventional product that uses round pipes for the pillar, and storage in a warehouse etc. Loss of storage space is unlikely to occur.

In particular, according to the pallet stacking kit of the second aspect, each stacking attachment has a pallet locking plate piece hooked on the end face forming portion of the corresponding fork insertion port. Therefore, when the attachments for stacking are stacked, the attachments for stacking can be easily and reliably supported on the pallet by simply locking the pallet locking plate pieces on the end face forming part of the corresponding fork insertion port. It can be removably attached to the corner.

According to the pallet stacking kit of claim 3, when connecting the adjacent stacking attachments, the corresponding wedge-shaped connecting bar is hooked on the wedge pocket portion of each stacking attachment. You just have to hook each pawl.
Thereby, the stacking attachments arranged at the four corners of the pallet can be easily and surely integrated by using the four wedge-shaped connecting bars.

Further, according to the stacking attachment of the fourth aspect, the L-shaped stacking attachment is hooked on the outer surface of each corner of the pallet.
Next, the lower ends of the angled columns are inserted into the column pockets of the stacking attachment with their bending directions aligned, and the columns are erected at the corners of the pallet.
As a result, compared to the conventional product using a round pipe for the support, the width of the support protruding from the stacking attachment becomes shorter, and the storage space in a storage space such as a warehouse is less likely to be lost.

Furthermore, according to the stacking attachment according to claim 5, when the stacking attachment is hooked to the corner of the pallet, the pallet locking plate piece is hooked on the end face forming portion of the corresponding fork insertion port. By simply stopping, this stacking attachment can be detachably attached to the corner of the pallet.

Further, according to the stacking attachment according to claim 6, when connecting the stacking attachments which are adjacent to each other, the hook claws of the corresponding wedge-shaped connecting bars are provided in the wedge pockets of the stacking attachments. Hang each.
As a result, the stacking attachments arranged at the adjacent corners of the pallet can be easily and reliably integrated by using the wedge-shaped connecting bar.

It is a front view which shows the use condition of the pallet stacking kit which concerns on Example 1 of this invention. FIG. 2 is a plan view showing a state in which stacking attachments forming a part of the pallet stacking kit of Example 1 of the present invention are hooked at four corners of the pallet. It is a top view which shows the use condition of the pallet stacking kit which concerns on Example 1 of this invention. It is an expansion perspective view of the attachment for stacking of Example 1 of this invention. It is an enlarged front view of the attachment for stacking of Example 1 of this invention. It is an enlarged plan view of the attachment for stacking of Example 1 of this invention.

An embodiment of this invention will be specifically described below.

As shown in FIGS. 1 to 3, a pallet stacking kit 10 according to a first embodiment of the present invention has a rectangular pallet 12 having a pair of fork insertion ports 11 arranged on two opposite side surfaces. It is possible to stack the pallets 12 by stacking them later.

Hereinafter, these components will be described.
As shown in FIGS. 1 and 2, the pallet 12 is a hollow plate having a square shape in plan view, which is used for cargo handling work by a not-shown forklift and is made of synthetic resin and has a side length of about 1 m and a thickness of about 15 cm. .. Inside the pallet 12, a total of nine short rectangular columns 12a for forming the fork insertion openings 11 on each side are arranged at equal pitches in the front-rear, left-right direction.

As shown in FIGS. 1 to 3, the pallet stacking kit 10 includes four stacking attachments 13 in an L shape in plan view, which are hooked on the outer surfaces of the four corners of the pallet 12, and are arranged at the four corners of the pallet 12. Angled (bent at 90° in plan view) four columns 14, four attachments 13 for stacking, and four wedge-shaped connecting bars 15 that detachably connect adjacent ones, and each column Two of the crossbars 16 are diagonally arranged, and two crossbars 16 are detachably connected to each other at their upper end portions. All of these parts 13 to 16 are made of stainless steel.

As shown in FIGS. 4 to 6, each stacking attachment 13 is formed by connecting the base portion of the first side plate 17 and the base portions 17a and 18a of the second side plate 18 in an L shape. The structure of one stacking attachment 13 will be described below as an example.
Extension portions 17b and 18b are formed integrally with the upper ends of the base portions 17a and 18a so as to extend upward in parallel.
Further, on the outer side of the bent portion (base portion of each side plate) 13a of the stacking attachment 13, the lower ends of the corresponding pillars 14 are L-shaped pillar pocket portions that are hooked in the same bending direction. 19 are provided.

The strut pocket portion 19 includes a bent portion 13a of the stacking attachment 13, a substantially angle-shaped short strut pocket forming plate 20 having both widthwise ends welded to the outside of the bent portion 13a, and between them. It is composed of an L-shaped bottom plate 22 that closes the lower opening of the formed L-shaped support pocket 21.
Further, a pair of wedge pocket portions 23 having a trapezoidal shape having a lower bottom shorter than an upper bottom is disposed outside the central upper portions of the tip portions 17c and 18c of the side plates 17 and 18, respectively. Both the upper and lower surfaces of each wedge pocket 23 are open.

Each wedge pocket portion 23 has respective tip portions 17c and 18c, and a pair of trapezoidal wedge pocket forming plates 24 having both ends in the width direction welded to the outside of these tip portions 17c and 18c. , A pair of wedge pockets 28 are formed between the corresponding ones so as to taper downward.
A pair of narrow side plates 25 having a narrow width is arranged at both ends of each wedge pocket forming plate 24 in the width direction. Among these, the narrow side plate 25 arranged on the front side of each side plate 17, 18 is gradually inclined inward so that each wedge pocket 28 is tapered toward the lower side.

Further, at the tip of the first side plate 17, a horizontally long rectangular pallet locking plate piece 26 that is locked to the end face forming portion 12b of the corresponding fork insertion port 11 of the pallet 12 is bent inward at a right angle. Has been formed.
The stacking attachments 13 are arranged on the left side of the pallet 12 and on the right side of the pallet 12, and the side plates on which the pallet locking plate pieces 26 are formed are different. Here, for convenience of description, the side with the pallet locking plate piece 26 is referred to as the first side plate 17.

As shown in FIGS. 1 and 3, each of the columns 14 is an angle-shaped plate member having a height of about 1.5 m. A substantially rectangular connecting plate piece 14 a for detachably connecting the lengthwise ends of the corresponding crossbars 16 is arranged at the upper ends of the columns 14.
Further, as shown in FIGS. 1 and 2, each wedge-shaped connecting bar 15 is a laterally long wedge-shaped plate material in which a pair of latching claws 27 are arranged at both ends in each length direction. Each hook claw 27 has a shape corresponding to each wedge pocket 28.

Next, a method of using the pallet stacking kit 10 according to the first embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 1 to 3, first, the stacking attachments 13 are hooked on the outer sides of the four corners of the pallet 12, respectively. At that time, the pallet locking plate pieces 26 of the stacking attachments 13 are inserted into the corresponding end face forming portions 12b of the fork insertion ports 11 and locked.
Thereby, the stacking attachments 13 can be easily and surely attached to the corresponding corners of the pallet 12.

Thereafter, among the stacking attachments 13, adjacent ones are hooked by the four wedge-shaped connecting bars 15, respectively. Specifically, the hook claws 27 of the corresponding wedge-shaped connecting bar 15 are hooked on the wedge pockets 28 of the wedge pocket portions 23 of the stacking attachments 13, respectively.
Thus, the stacking attachments 13 arranged at the four corners of the pallet 12 can be easily and reliably integrated by using the four wedge-shaped connecting bars 15.

Next, in each of the stacking attachments 13, the lower ends of the corresponding columns 14 are inserted into the column pockets 21 of the column pockets 19, and the four columns 14 are erected at the four corners of the pallet 12. At this time, the extending portions 17b and 18b of the side plates 17 and 18 of the corresponding stacking attachment 13 serve as guides for inserting the columns 14 into the column pockets 21.
After that, the two crossbars 16 are detachably laterally attached (hooked) to the connecting plate pieces 14a of the four columns 14 arranged at the four corners of the pallet 12 which are diagonally arranged.
Next, another pallet 12 is stacked on the two crossbars 16 arranged in a cross shape above the pallet 12 using a forklift.

As described above, since the pallet stacking kit 10 is configured, the width (length) of the strut 14 protruding from each stacking attachment 13 is shorter than that of the conventional product in which the round pipe is used as the strut. Loss is unlikely to occur in the storage space in the warehouse (storage area).
In addition, when connecting the adjacent stacking attachments 13 to each other, the wedge claws 27 of the corresponding wedge-shaped connecting bars 15 are respectively locked to the wedge pocket portions 23 of the stacking attachments 13. Therefore, the stacking attachments 13 arranged at the four corners of the pallet 12 can be integrated easily and reliably by using the four wedge-shaped connecting bars 15.

The pallet stacking kit and stacking attachment of the present invention are useful as a technique for retrofitting the pallets and stacking the pallets at predetermined height intervals.

10 Pallet stacking kit,
11 Fork slot,
12 pallets,
12b end face forming portion,
Attachment for 13 stacks,
14 columns,
15 wedge-shaped connecting bar,
16 crossbar,
19 prop pockets,
23 Wedge pocket,
26 Pallet retaining plate pieces,
27 Hooks.

Claims (6)

In a pallet stacking kit for stacking the pallets by retrofitting to a rectangular pallet in which a pair of fork insertion openings are arranged on opposite side surfaces,
Four L-shaped stacking attachments hooked on the outer surfaces of the four corners of the pallet,
Four angled struts arranged at the four corners of the pallet,
Of the stacking attachments, four wedge-shaped connecting bars that removably connect adjacent ones,
Of the columns, two crossbars that detachably connect the upper ends of diagonally arranged columns are provided.
For stacking pallets, L-shaped strut pockets are provided outside the bent portions of the stacking attachments, and the lower ends of the corresponding strut are hooked in the same bending direction. kit. The pallet stacking kit according to claim 1, wherein each of the stacking attachments is provided with a pallet locking plate piece that is locked to an end face forming portion of a corresponding fork insertion port. Each of the wedge-shaped connecting bars is a wedge-shaped connecting bar in which a pair of hooks are arranged at both ends in each length direction,
The pallet stacking according to claim 1 or 2, wherein a pair of wedge pocket portions to which the locking claws of the corresponding wedge-shaped connecting bars are respectively locked are arranged outside the stacking attachments. Kit. L used when stacking the pallets via an angled column, which is hooked to the outside of the corner of a rectangular pallet having a pair of fork insertion openings on opposite sides A letter-shaped stacking attachment,
An attachment for stacking, wherein an L-shaped support pocket portion is provided on the outer side of the bent portion of the stacking attachment so that the lower ends of the supports are hooked in the same bending direction. The stacking attachment according to claim 4, wherein the stacking attachment is provided with a pallet locking plate piece that is locked to an end face forming portion of a corresponding fork insertion port. The stacking attachment is configured to detachably connect the stacking attachment to another stacking attachment hooked at a corner adjacent to the corner among the four corners of the pallet. The stacking attachment according to claim 4 or 5, further comprising a wedge pocket portion to which a hooking claw of the wedge-shaped connecting bar is hooked.

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