JP2002096831A - Cargo handling pallet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cargo handling pallet capable of easily connecting a girder to a deck member, and preventing a surface plate of the deck member from being deformed even when the girder and the deck member are tightened with large force by a fixing tool. SOLUTION: In this cargo handling pallet, the hollow deck member 2 comprises an upper face plate 20, a lower face plate 21 and a pair of longitudinal pieces 22, and has a hollow reinforcing part 24 in a hollow part in the width direction thereof, the deck member 2 is placed on an upper face plate 10 of the girder 1, and rivets 30 passed through the hollow reinforcing part 24 tighten, fix and connect the girder 1 and the deck member 2 to each other by bringing the upper face plate 10 into contact with the face plate 20. The girder 1 and the deck member 2 can be easily connected by passing the rivets 30 from an upper part of the deck member 2, and deformation of the face plate 20 of the deck member 2 can be prevented by supporting the tightening force of the rivets 30 by the hollow reinforcing part 24.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pallet for cargo handling, which is used mainly for loading and unloading a forklift in which a girder made of extruded aluminum material and a deck material are connected.

[0002]

2. Description of the Related Art A cargo handling pallet described in Japanese Utility Model Laid-Open No. 7-2226 has been proposed. This cargo pallet is made of extruded aluminum and has a plurality of girders with a rectangular hollow cross section.
A plurality of extruded aluminum hollow members are provided, and the lower surface of the deck materials and the upper surface of the girders are fixed with fixing screws to connect the girders and the deck materials.

[0003]

In the above-mentioned cargo handling pallet, the girder is attached to a lower girder and an upper girder in order to facilitate the work of fixing the lower surface of the deck material and the upper surface of the girder with fixing screws. After dividing and fixing the upper girder to the lower surface of the deck material with fixing screws, the upper girder and the lower girder are connected to assemble a cargo handling pallet.

[0004] For this reason, the work of fixing the upper girder and the deck material and the work of connecting the upper girder and the lower girder are required, and the work of assembling the pallet for cargo handling is troublesome. In addition, since the lower girder and upper girder are connected to form a girder, when extruded aluminum is used, two types of extruded aluminum are extruded using a lower girder mold and an upper girder mold. Will be molded,
Extrusion molding cost is high.

Accordingly, an object of the present invention is to provide a cargo pallet capable of solving the above-mentioned problems.

[0006]

According to a first aspect of the present invention, a plurality of deck members 2 are placed on the upper surfaces of a plurality of girders 1 and each of the girders 1 and the deck members 2 are fixedly connected by a fastener. In the cargo handling pallet, the deck member 2 includes a surface plate 20 having a hollow reinforcing portion 24 on the back surface in the width direction intermediate portion, and a second moment of area provided integrally at both ends in the width direction of the surface plate 20. And a pair of vertical pieces 22 for enlarging
0, the vertical piece 22 of the deck material 2 and the hollow reinforcing portion 24 are in contact with each other,
Both ends in the longitudinal direction of the fastener through which the hollow reinforcing portion 24 is inserted are in contact with the surface plate 20 and the upper surface plate 10 and the spar 1 and the deck material 2
The pallet for cargo handling, wherein the pallets are connected by tightening and fixing.

According to a second aspect of the present invention, in the first aspect, the deck member 2 includes a back plate 21 having a pair of vertical pieces 22 and a hollow reinforcing portion 24 continuous, and the surface of the back plate 21 has no irregularities. The surface of the surface plate 20 is a pallet for cargo handling, which has a smooth surface and has uneven portions 25 continuous in the longitudinal direction.

According to a third aspect, in the first aspect, the deck member 2 includes a surface plate 20 having a hollow reinforcing portion 24,
A pair of vertical pieces 22 are provided integrally at both ends in the width direction of the surface plate 20, and the pair of vertical pieces 22 and the hollow reinforcing portion 2 are provided.
Numeral 4 denotes a loading pallet that is discontinuous.

[0009]

According to the first invention, the deck material 2 is placed on the upper surface plate 10 of the spar 1 and the fastener 1 is inserted from above the deck material 2 to fix the spar 1 and the deck material 2 together. Can be linked. Therefore, the work of connecting the girder 1 and the deck material 2 is easy, and the work of assembling the pallet for cargo handling is easy. In addition, the spar 1 has an integral shape, and when using an extruded aluminum material, one type of extruded aluminum material may be extruded, and the cost of the extrusion molding is low.

Further, the fastening force of the fastener for fastening the beam 1 and the deck member 2 in contact with the surface plate 20 and the upper surface plate 10 is supported by the hollow reinforcing portion 24. Therefore, even if the fixing tool is tightened with a strong force, the surface plate 20 does not deform.

According to the second aspect of the present invention, the deck material 2 is fixed to the spar 1 so that the surface plate 20 faces upward, so that the surface plate 2
The unevenness 25 prevents the luggage from sliding in the width direction of the deck material 2 when the luggage is placed on the surface of the deck material 2. In addition, by fixing the deck material 2 to the spar 1 so that the back plate 21 faces upward, luggage placed on the surface of the back plate 21 can be prevented from being damaged.

According to the third aspect of the present invention, the deck material 2 can be reduced in weight and is preferably used as a deck material of a cargo pallet for loading and handling relatively light loads.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a plurality of girders 1 which are parallel to each other and a plurality of deck materials 2 which are respectively connected to the upper and lower surfaces of the girders 1 at right angles are used for cargo handling. Pallet 3 is provided. In the cargo handling pallet 3, a load is placed on the upper surface of the deck material 2, a fork lift forklift is inserted between the adjacent girders 1, and the fork claw is lifted to come into contact with the lower surface of the deck material 2 together with the load. Cargo work is carried out by lifting the cargo pallet 3.

The cargo handling pallet 3 shown in FIG. 1 has a large number of deck members 2 connected to the upper surface of the spar 1 and a small interval therebetween. The number of the deck materials 2 connected to the lower surface of the girder 1 is small, and the interval is large. That is, the deck material 2 connected to the upper surface of the girder 1 serves to place cargo on it, and the deck material 2 connected to the lower surface of the girder 1 prevents the plurality of girder 1 from expanding and deforming. Serves to reinforce. By increasing the number of the deck members 2 connected to the lower surface of the spar 1 and reducing the distance therebetween, a cargo handling pallet that can be used upside down may be used. Further, a cargo handling pallet having a shape in which many deck materials 2 are connected only to the upper surface of the girder 1 may be used.

The spar 1 is, as shown in FIG.
It is an aluminum extruded section having a rectangular cross section and a hollow shape having a plurality of hollow portions with a predetermined width and height by a lower surface plate 11, left and right side plates 12, and a plurality of reinforcing plates 13. The aluminum extrusion can be surface-treated to improve corrosion resistance and appearance. The surface of the upper plate 10 and the surface of the lower plate 11 have a plurality of grooves 14 continuous in the longitudinal direction, and have high slip resistance. Therefore, the deck material 2 is hard to slide in the longitudinal direction along the upper surface plate 10 and the lower surface plate 11, and hard to slide in the lateral direction when the spar 1 is directly placed on the ground or the like. The upper plate 10 and the lower plate 1
The widthwise intermediate portions 10a and 11a are thicker than the other portions, and the hole 1 through which a fastener to be described later is inserted into the thicker portion.
5 is formed in alignment with the fixing position of the deck material 2.

As shown in FIG. 3, the deck member 2 is an aluminum extruded member having a rectangular cross section having a large second moment of inertia at the front plate 20, the back plate 21 and the vertical pieces 22 on both sides. The aluminum extrusion can be surface-treated to improve corrosion resistance and appearance. A pair of reinforcing pieces 23 are integrally provided on the back surface near both sides in the width direction of the front plate 20, and each of the reinforcing pieces 23 is integrally connected to the back surface of the back plate 21 to form a hollow reinforcing portion 24. Has formed. On the surface of the surface plate 20, an uneven portion 25 continuous in the longitudinal direction is formed. The surface of the back plate 21 is a smooth surface without irregularities, and a concave portion 26 is formed in a portion facing the pair of reinforcing pieces 23.
Having.

The front plate 20 and the back plate 21 of the deck material 2
Between the pair of reinforcing pieces 23 (the hollow reinforcing portions 24
(Positions opposed to), holes 27 for fixing fixture insertion are formed by positioning with holes 15 of spar 1 respectively. A fixing device such as a rivet 30 extends between each hole 27 and the hole 15 of the spar 1.
And insert both ends of the rivet 30 in the longitudinal direction into the upper surface plate 10.
The deck 1 and the deck member 2 are fastened and fixed by contacting with the surface plate 20 and the deck 1 and the deck member 2 are connected. Screws, bolts and nuts may be used instead of rivets.

The rivet 30 is a cylinder 32 having a flange 31.
With a rod 33 inserted through the cylinder 32,
The cylinder 32 is moved from the hole 27 of the front plate 20 to the hole 2 of the back plate 21.
7. The large diameter spherical part 34 of the rod 33 expands and deforms the lower part of the cylinder 32 by inserting the flange 31 into the hole 15 of the upper surface plate 10 of the spar 1, pressing the flange 31 against the surface plate 20 and pulling out the rod 33. A pull-out rivet made of aluminum, which is pressed against the back surface of the pulley 10 and fixed by breaking and coming out of the rod 33.

As described above, the deck material 2 is placed on the spar 1 and the rivets 30 are inserted from above the deck material 2 into the holes 27,
The flange 31 comes into contact with the surface of the front plate 20 by being inserted through and pulled out, and the expansion deforming portion 32a comes into contact with the back surface of the upper plate 10, whereby the beam 1 and the deck material 2 are fastened and fixed. Therefore, the fixing work is easy. Further, since the fixed portion of the deck material 2 by the rivet 30 is reinforced by the hollow reinforcing portion 24 having the pair of reinforcing pieces 23, the surface plate 20 of the deck material 2 can be firmly fixed by a large fastening force. No deformation. In FIG. 3, the hollow reinforcing portion 24 is in contact with the upper surface plate 10 of the spar 1 via the oblique portion 26 a forming the concave portion 26 of the back plate 21.
Since 6a is short, the deformation of the surface plate 20 due to the rivet tightening force can be prevented by the hollow reinforcing portion 24. Without forming the concave portion 26, the hollow reinforcing portion 24 is
It may be in contact with 0.

Further, since the surface of the surface plate 20 of the deck member 2 has the uneven portion 25 continuous in the longitudinal direction, the baggage can slide and move in the width direction when the baggage is placed on the deck member 2. No luggage can be stably placed.

The deck member 2 can be turned upside down and fixed to the spar 1 so that the back plate 21 faces upward as shown in FIG. In this way, since the luggage is to be placed on the surface of the back plate 21 which is a smooth surface of the deck material 2 having no unevenness, it is possible to prevent the luggage from being damaged by the deck material 2. In addition, since the flange 31 of the rivet 30 is located in the concave portion 26 of the back plate 21 and does not protrude from the surface, the load does not contact the flange 31 of the rivet 30 and is not damaged.

Since the spar 1 and the deck material 2 are extruded aluminum members and the rivets 30 are made of aluminum, they can be reused as aluminum ingots when discarding cargo pallets, and do not become industrial waste.

The deck member 2 may have a shape shown in FIG. A surface plate 20 and a vertical piece 22 provided integrally at both ends in the width direction of the surface plate 20 for increasing the second moment of area
And a pair of leg pieces 28 integrally provided on the rear surface in the width direction central portion of the surface plate 20, a pair of reinforcing pieces 23 integrally provided on the rear surface near both sides in the width direction of the surface plate 20, and the pair of reinforcing pieces 23 Is a deck material having a cross-sectional shape having a hollow reinforcing portion 24 composed of a horizontal piece 29 connecting the two. This deck material is lighter than the above-mentioned deck material because there is no back plate.

The above-mentioned deck material 2 has holes 27 in the surface plate 20 and holes 2 in the horizontal piece 29 in the same manner as the deck material 2 shown in FIG.
7. The rivet 30 is inserted into the hole 15 of the upper surface plate 10 of the spar 1 and pulled out to be fixed to the spar 1.

The deck material 2 shown in FIG. 3 and the deck material 2 shown in FIG. 5 are selected according to the weight of the load. For example, the deck material 2 shown in FIG. 3 is used for a pallet for storing heavy loads, and the deck material 2 shown in FIG. 5 is used for a pallet for storing relatively light loads. Alternatively, the deck material 2 may be fixed to the fork claw insertion side of the spar 1 as shown in FIG. 3, and the deck material 2 shown in FIG. In this way, the back plate 21 of the deck material 2 serves as a guide when the fork claws are inserted between the adjacent girders 1 and when the fork claws are extracted, so that the fork claws can be easily inserted and extracted, and the entire pallet can be removed. Can be lightweight.

As shown in FIGS. 6 (a) and 6 (b), the spar 1 may have a shape in which a blind plate 16 is formed integrally with the side plate 12 so as to protrude vertically or upwardly. This blind plate 16 has a projection length substantially equal to the height of the deck material 2,
The longitudinal end surface of the deck material 2 is in contact with and fixed to the blind plate 16 so that the longitudinal end portion of the deck material 2 can be hidden and visually observed, so that a pallet with good appearance can be obtained. The spar 1 shown in FIG. 6A is used for a pallet for connecting a deck material to an upper surface and a lower surface. The spar 1 shown in FIG. 6B is used for a pallet for connecting deck materials only to the upper surface.

[0027]

According to the first aspect of the present invention, the deck material 2 is placed on the upper surface plate 10 of the spar 1, and the fastener 1 is inserted from above the deck material 2 to connect the spar 1 and the deck material 2. Can be fixedly connected. Therefore, the work of connecting the girder 1 and the deck material 2 is easy, and the work of assembling the pallet for cargo handling is easy. Also,
The girder 1 has an integral shape, and when using an extruded aluminum material, one type of extruded aluminum material may be extruded.
Extrusion molding costs are low.

The fastening force of the fastener for fastening the beam 1 and the deck member 2 in contact with the surface plate 20 and the upper surface plate 10 is supported by the hollow reinforcing portion 24. Therefore, even if the fixing tool is tightened with a strong force, the surface plate 20 does not deform.

According to the second aspect of the present invention, the deck material 2 is fixed to the spar 1 so that the surface plate 20 faces upward.
When the luggage is placed on the surface of the surface plate 20, the luggage can be prevented from sliding in the width direction of the deck material 2 by the uneven portion 25.
In addition, by fixing the deck material 2 to the spar 1 so that the back plate 21 faces upward, luggage placed on the surface of the back plate 21 can be prevented from being damaged.

According to the third aspect of the present invention, the deck material 2
Can be lightened, and is preferable as a deck material of a cargo pallet for loading and handling relatively light loads.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cargo handling pallet.

FIG. 2 is a sectional view of a spar.

FIG. 3 is a cross-sectional view of a fixing portion between a spar and a deck material.

FIG. 4 is a cross-sectional view of a state where the deck material is turned upside down and fixed.

FIG. 5 is a cross-sectional view showing another shape of the deck material.

FIG. 6 is a sectional view of a girder provided with a blind plate.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Girder, 2 ... Deck material, 10 ... Top plate, 11 ... Bottom plate,
15 ... hole, 16 ... blind board, 20 ... front plate, 21 ... back plate, 22 ... vertical piece, 23 ... reinforcing piece, 24 ... hollow reinforcing part,
25: uneven portion, 27: hole, 30: rivet (fixing tool).

 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yukio Takeshita 429-6 Matsuzakicho, Yatsushiro-shi, Kumamoto F-term (reference) 3E063 AA04 AA07 BA03 CA04 CA05 CA11 CA21 EE01

Claims (3)

[Claims] 1. A cargo handling pallet in which a plurality of deck materials 2 are placed over an upper surface of a plurality of girders 1, and each of the girders 1 and the deck material 2 are fixedly connected by a fastener. 2 is a hollow reinforcing portion 2 on the back surface in the width direction intermediate portion.
4 and a pair of longitudinal pieces 22 integrally provided at both ends in the width direction of the surface plate 20 for increasing the second moment of area. The vertical piece 22 and the hollow reinforcing portion 24 are in contact with each other, and both ends in the longitudinal direction of the fixing tool inserted through the hollow reinforcing portion 24 are in contact with the surface plate 20 and the upper surface plate 10 to tighten and fix the beam 1 and the deck material 2. A pallet for cargo handling, wherein the pallet is connected to the pallet. 2. The deck member 2 includes a back plate 21 having a pair of vertical pieces 22 and a hollow reinforcing portion 24 continuous. The surface of the back plate 21 is a smooth surface having no irregularities. The pallet for cargo handling according to claim 1, wherein the surface has an uneven portion 25 continuous in the longitudinal direction. 3. The deck member 2 includes a surface plate 20 having a hollow reinforcing portion 24 and a pair of vertical pieces 22 provided integrally at both ends in the width direction of the surface plate 20. The pallet for cargo handling according to claim 1, wherein the piece 22 and the hollow reinforcing portion 24 are discontinuous.