JP5773427B2 - Resin pallet - Google Patents

Description

  The present invention relates to a resin pallet provided with girder portions at a plurality of positions on a cross-shaped deck board and having fork insertion holes between adjacent girder portions.

  Conventionally, as this kind of resin pallet, in order to hook a rope for preventing load collapse, a rectangular through hole is formed on the side surface of the girder part that constitutes a part of the outer side surface of the resin pallet, and the upper edge of the rectangular through hole The thing of the structure which made the latching protrusion protruded in the side hole from the part is known (for example, refer patent document 1).

Japanese Patent No. 4572899 (FIGS. 1, 2, and 8)

  However, in the case of the conventional resin pallet described above, in the case of a small baggage with respect to the upper surface (deck surface) of the deck board, the play between the baggage and the rope becomes large and the baggage easily shifts to suppress the shift. However, when the tension of the rope is increased, the baggage is deformed or the hooking protrusion is damaged.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a resin pallet that can stabilize the fixing of a small load with a rope or belt on the upper surface of the deck board.

A resin pallet according to the invention of claim 1 made to achieve the above object is a resin pallet comprising girder portions at a plurality of locations on a cross-shaped deck board and a fork insertion hole between adjacent girder portions. In a resin pallet in which each girder is provided with a beam-like reinforcing wall in the girder part inside the girder cylinder wall that extends all over the resin pallet, at a position near the upper end in the girder cylinder wall Projected downward from the reinforcement wall in the girder and provided with a latching protrusion that can be hooked with a rope or belt for preventing load collapse . The reinforcement wall in the girder is opposite to the entire height wall of the same height as the cylindrical wall of the girder Between the upper ends of all the height walls, or between the girder tube walls facing each other and between the upper ends of the entire height walls, and the hooking protrusion is a central portion of the bridge wall One end is connected to the central part of the bridging wall with a protruding protrusion and the other end is Having the characteristics of the cross-linking wall or girder tubular wall or Height wall connected crosslinked cross wall, where with a digit in the reinforcing wall.

The invention of claim 2 is characterized in that, in the resin pallet according to claim 1 , a rubber member for preventing slipping of luggage is arranged on the upper surface of the cross-linking intersection wall.

According to a third aspect of the present invention, in the resin pallet according to the first or second aspect , the deck board has a belt-like plate shape whose width direction faces the vertical direction and whose upper end surface constitutes the upper surface of the deck board. In addition, a plurality of strip plate-like wall walls whose lower end surface constitutes the inner upper surface of the fork insertion hole are arranged in a grid pattern, and the lower end surface is inserted into the fork with a narrower plate shape than the band plate-like wall wall It is characterized in that a hook-hanging pier wall located above the inner upper surface of the hole is provided in parallel with a part of the plurality of strip-like pier walls.

[Invention of Claims 1 to 3 ]
In the resin pallet of Claim 1, the latching protrusion which can latch a rope or a belt was provided in the girder part cylindrical wall, and the latching protrusion was arrange | positioned near the center of the deck board from the conventional resin pallet. Therefore, it is possible to stabilize the fixing of the small luggage (including the case where the whole of the plurality of luggage is smaller than the upper surface of the deck board) with the rope or belt with respect to the upper surface of the deck board. Moreover, the latching protrusion can be protected from collision with other resin pallets and forks by arranging the latching protrusion in the girder cylindrical wall.

Further , according to the present invention , since the girder cylindrical wall and the total height wall of the girder part extend all over the top and bottom of the resin pallet, the lower end is supported in contact with the floor surface or the ground, and other than the total height wall. The strength is relatively high compared to the wall portion. Then, the cross wall with the hooking protrusion, between the upper ends of the full height walls or, by disposing between the upper ends of the column portions cylinder wall and Height wall facing each other, cross wall and hooking The support strength of the protrusion is increased. Additionally, hanging central portion of the cross wall with the locking projections, since it is supported by another bridge wall or girder tubular wall or Height wall connected crosslinked cross walls, even cross wall at this point And the support strength of the latching protrusion becomes high. Further, when pressed against the package by multiplying the rope hooking protrusion on the upper surface of the deck board, the strongest pressing force exerted on the cross-linking cross-wall. On the other hand, in the resin pallet according to the second aspect , since the rubber member for preventing slipping of the luggage is arranged on the upper surface of the crossing crossing wall, a high slip preventing effect is exhibited.

In the resin pallet according to the third aspect , the deck board is provided with a plurality of strip-like pier walls arranged in a lattice pattern. Since the lower end surface of the plate-like hook-hanging pier wall arranged in parallel with a part of the strip-like pier wall is located above the inner upper surface of the fork insertion hole, the rope or belt The hook provided at the tip can be hooked on a hook-hanging pier wall, and the load can be fixed by the rope or the like.

The perspective view of the resin pallet which concerns on one Embodiment of this invention. Perspective view of the bottom side of the resin pallet Perspective view of the center and end girder of the short side in the resin pallet Perspective view of the bottom side of the girder at the center of the short side of the resin pallet (A) Perspective view of the center girder of the long side of the resin pallet, (B) Perspective view of a state where the rope is hooked to the hooking projection of the girder. Perspective view of the bottom side of the central girder on the long side of the resin pallet (A) The perspective view which fractured | ruptured some central girder parts of the short side in a resin pallet, (B) The perspective view which fractured | ruptured some central girder parts of the long side in a resin pallet Perspective view showing cut surface of top reinforced beam of resin pallet (A) Perspective view of center part of long side of resin pallet, (B) Perspective view of lower surface side of center part of long side of resin pallet Perspective view of a state where a load is placed on a resin pallet

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the resin pallet 10 of the present embodiment includes girder portions 20 at a plurality of locations including the four corners of a flat rectangular deck board 11, and between the girder portions 20, 20 is a fork insertion hole 14. It has become. The entire resin pallet 10 has a cross structure having a plurality of meshes opened in the vertical direction. The resin pallet 10 has a symmetrical shape in both the vertical and horizontal directions.

  The deck board 11 is provided with a top reinforcing beam 12 having relatively high strength at a portion along the outer edge and vertical and horizontal center lines, and the top reinforcing beam 12 is shaped like a rice field in the entire deck board 11. It has become. Then, four rectangular areas surrounded by the upper surface reinforcing beam 12 are respectively closed by the receiving tray 13.

  The girder 20 is disposed at the intersection of the upper reinforcing beams 12 in the deck board 11. That is, the girder 20 is disposed at a total of nine locations including the four corners of the deck board 11, each central portion at each outer edge of the deck board 11, and the centroid in the planar shape of the deck board 11. In addition, the lower reinforcing beam 15 is inserted between the lower ends of the beam portions 20 and 20 adjacent to each other in either the vertical or horizontal direction, and the entire lower reinforcing beam 15 has a “field” shape. ing. Note that there are no structures corresponding to the cargo receiving tray 13 in the four rectangular areas surrounded by the lower-surface reinforcing beam 15, which are mere spaces.

  Each girder portion 20 has a structure including a beam-like in-girder reinforcement wall 22 inside a girder tube wall 21 extending all over the resin pallet 10. The girder cylindrical wall 21 of each girder part 20 has a substantially rectangular tube shape, and a part of the girder cylindrical wall 21 corresponding to the inner surface of the fork insertion hole 14 bulges toward the fork insertion hole 14 side. It is curved.

  FIG. 2 shows a state in which the resin pallet 10 is viewed from the lower surface side. As shown in the figure, the intra-girder reinforcement wall 22 of each girder part 20 includes a plurality of full height walls 23 having the same height as the girder part cylindrical wall 21, and between the upper ends of all the height walls 23, 23 and the girder part. A plurality of bridging walls 24 that are interposed between the upper ends of the cylindrical wall 21 and the full height wall 23, and between the lower ends of the full height walls 23, 23 and between the lower ends of the girder tubular wall 21 and the full height wall 23. And a bottom wall 25 extending between the two.

  As shown in FIG. 1, anti-slip portions 60 are provided on the upper surfaces of all the girder portions 20 except the central girder portion 20 of the deck board 11 and the upper surfaces of the respective cargo receiving boards 13. As shown in FIG. 6, the non-slip portion 60 is fitted with the rubber member 60 </ b> B shown in FIG. 5A in a flat cylindrical rubber receiving portion 60 </ b> A integrally formed with the in-girder reinforcement wall 22. 60B is slightly protruded from the upper surface of the entire deck board 11. Further, as shown in FIG. 2, the girder portions 20 at the four corners of the deck board 11 are provided with anti-slip portions 60 on the lower surface.

  As shown in FIG. 1, the resin pallet 10 according to the present embodiment is provided with an extra-girder latch protrusion 51 and an intra-girder latch protrusion, as shown in FIG. A portion 30 (corresponding to the “hanging projection” of the present invention) and a hook locking bar 40 are provided.

  One of the outer girder latching protrusions 51 is provided on each of a pair of side surfaces which are also outer surfaces of the resin pallet 10 in the girder portions 20 arranged at the four corners of the deck board 11. As shown in FIG. 3, a pair of side faces of these girder portions 20 is formed with a substantially square side hole 50 penetratingly formed at a position near the upper end of the girder cylindrical wall 21. 50 is suspended from the upper edge. Further, the lower end portion of the outer girder locking projection 51 has an arrowhead shape, and a protrusion 52 is formed at the outer edge of the outer girder locking projection 51 and the opening edge of the side hole 50 to be reinforced.

  As shown in FIG. 1, there are three in-girder latching protrusions 30 in the middle girder 20 and 20 on the short side of the deck board 11, and in the girder 20 and 20 on the middle of the long side. A total of eight are provided one by one. Specifically, as shown in an enlarged view in FIG. 3, the total height wall 23 of the girder portion 20 at the center of the short side of the deck board 11 is approximately 3 etc. in the girder portion 20 in the short side direction of the deck board 11. It consists of a pair of first full height walls 23A, 23A arranged at a position to be divided, and a second full height wall 23B arranged at a position that divides the inside of the beam portion 20 into approximately two equal parts in the long side direction of the deck board 11. . In addition, the spar 20 is provided with a hanging support bridge wall 31 that is opposed to the second full height wall 23B from the outside position as the above-described bridge wall 24. 1 between the full height walls 23A and 23A, between the first full height wall 23A and the girder cylindrical wall 21 and between the other first full height wall 23A and the girder cylindrical wall 21, respectively. Being lined up in a straight line. And the in-girder latching protrusion 30 which concerns on this invention hangs from the center part of the lower edge part of each latching support bridge | crosslinking wall 31. FIG. It should be noted that both side portions of the in-girder latching protrusion 30 in the lower edge of the latching support bridge wall 31 have a curved shape in order to prevent stress concentration.

  A bridge crossing wall 32 according to the present invention is interposed between the center portion of the upper edge portion of each of the above-described hook support bridge walls 31 and the second total height wall 23B. Specifically, the bridge crossing wall 32 connected to each of the hook support bridge walls 31 on both sides of the three hook support bridge walls 31 has a strip shape, and the width direction thereof is the short side direction of the deck board 11. Facing. On the other hand, the bridging intersection wall 32 connected to the central latching support bridging wall 31 has a disk shape with the central axis facing the vertical direction, and the rubber receiving portion 60A of the anti-slip portion 60 described above at the center. Are integrally formed.

  As shown in FIG. 4, the reinforcing ribs 33 extending in the up-down direction are provided at both end portions in the width direction of the in-girder latching protrusion 30 on the surface facing the second all-high wall 23 </ b> B of the in-girder latching protrusion 30. And in the center. Among them, the central reinforcing rib 33 extends from the lower end of the in-girder latching protrusion 30 to the lower surface of the bridging intersection wall 32 as shown in FIG. On the other hand, the reinforcing ribs 33 on both sides extend from the lower end of the in-girder latching protrusion 30 to the lower surface of the bridging intersection wall 32 and further extend to the second full height wall 23B along the lower surface of the bridging intersection wall 32. ing.

  As shown in FIG. 5 (A), the entire high wall 23 of the girder 20 at the center of the long side of the deck board 11 is arranged at a position that divides the girder 20 into approximately three equal parts in the long side direction of the deck board 11. Of the three rooms partitioned by the pair of first total high walls 23A, 23A and the pair of first total high walls 23A, 23A in the beam portion 20, the rooms on both sides are approximately in the short side direction of the deck board 11. It consists of a pair of 2nd full height walls 23B and 23B arrange | positioned in the position which bisects. The girder 20 is provided with a latching support bridge wall 31 arranged on the extension line of the second full height walls 23B, 23B and communicating between the upper ends of the pair of first full height walls 23A, 23A. The in-girder latching protrusion 30 is suspended from the latching support bridge wall 31. The latch support bridge wall 31 and the in-girder latch protrusion 30 are the same as the latch support bridge wall 31 and the in-girder latch protrusion 30 provided in the center girder 20 of the short side of the deck board 11 described above. It has a shape.

  As shown in FIG. 3, a bridge crossing wall 32 is provided between the upper edge of the latching support bridge wall 31 and the second full height wall 23B at the center girder 20 on the short side of the deck board 11 described above. However, as shown in FIG. 5 (A), the bridge 20 is bridged between the upper edge portion of the latching support bridge wall 31 and the girder tube wall 21 at the center part of the long side of the deck board 11. Intersection wall 34 is handed over. The bridge crossing wall 34 has a belt-like shape, and the rubber receiving portion 60A of the anti-slip portion 60 is integrally formed at an intermediate position.

  Also in the central girder portion 20 of the long side of the deck board 11, the reinforcing ribs 33 extending in the vertical direction are formed on the lower surface of the in-girder latching protrusion 30 on the bridge crossing wall 34 side as shown in FIG. The inner latching protrusion 30 is provided at both ends and the center in the width direction. Among them, the central reinforcing rib 33 extends from the lower end of the in-girder latching protrusion 30 to the lower surface of the bridging intersection wall 34. On the other hand, as shown in FIG. 7B, the reinforcing ribs 33 on both sides extend from the lower end of the in-girder latching protrusion 30 to the lower surface of the bridging cross wall 34 and are formed on the lower surface of the bridging cross wall 34. And extends horizontally to the girder tube wall 21 and further vertically to the lower end of the girder tube wall 21.

  It should be noted that, in any central girder part 20 of the short side and long side of the deck board 11, the in-girder latching protrusion 30, the latching support bridging wall 31, and the in-girder latching protrusion 30 in the reinforcing rib 33. The wall thickness of the protruding portion is thicker than the wall thickness of the entire height wall 23, the girder tube wall 21 and the like (see FIG. 6).

  As shown in FIG. 1, the hook locking pier wall 40 is provided at the edge of the upper surface reinforcing beam 12 extending along the long side and the short side of the deck board 11 on the load receiving board 13 side. In detail, as shown in FIG. 3, each upper reinforcing beam 12 extending along the long side and the short side of the deck board 11 has a plurality of first extending in a direction perpendicular to the penetrating direction of the fork insertion hole 14. The lattice structure has a strip plate-like wall 12 </ b> A and a plurality of second belt-like plate walls 12 </ b> B extending in the penetrating direction of the fork insertion hole 14. The width directions of the first and second strip plate-like pier walls 12A and 12B are both directed in the vertical direction, and one end surface of the first and second strip plate-like pier walls 12A and 12B in the width direction is a deck. A part of the upper surface of the board 11 is formed, and the other end surfaces in the width direction of the first and second strip plate-like walls 12A and 12B are also the lower surface of the deck board 11 and one of the inner upper surfaces of the fork insertion holes 14. Part.

  Each of the first strip plate-like pier walls 12A within the two central meshes in the plurality of square groups arranged between the pair of first strip-like pier walls 12A, 12A on the receiving tray 13 side, respectively. A hook locking bar 40 is disposed. As shown in FIG. 4, each hook-hanging bar 40 is located at the center between the pair of first belt-like bars 12A and 12A in each of the above-mentioned grids. It extends in parallel with the wall 12A, and both ends are connected to the second strip plate-like pier walls 12B and 12B. Further, the hook hanging bar 40 is narrower than the first and second strip plate-like walls 12A and 12B, and the upper end surface of the hook hanging bar 40 is formed in the first and second band plates. While the upper end surfaces of the pier walls 12A and 12B are flush with each other, the lower end surface of the hook locking pier wall 40 is the lower end surface of the first and second strip plate-like pier walls 12A and 12B, that is, fork insertion. The hole 14 is disposed at a position recessed from the inner upper surface of the hole 14.

  At the center of the lower edge portion of the hook-hanging pier wall 40, a lower edge recess 40A is formed that is recessed above the entire lower edge portion of the hook-hooking wall 40. Further, both side portions of the lower edge concave portion 40A are inclined surfaces 40B and 40B which are inclined so as to be separated from each other downward. Then, a pair of orthogonal reinforcing walls 41, 41 are orthogonal to the upper part of the pair of inclined surfaces 40B, 40B of the hook-hanging wall 40, and both ends of the orthogonal reinforcing walls 41, 41 are first. It is connected to the strip plate-like wall 12A, 12A.

  Note that the wall thickness of the hook-hanging pier wall 40 is larger than the thickness of the first and second strip-like pier walls 12A and 12B. In addition, one of the meshes of the upper surface reinforcing beam 12 on the extension line of the pair of meshes having the hook-hanging pier wall 40 is provided with a lid-like reinforcing plate 12D that closes the upper surface. The square is provided with a frame-shaped reinforcing rib 12E that protrudes inward from the edge of the upper surface opening. Further, as shown in FIG. 8, the lower edge portion of one first strip plate-like wall 12A out of a pair of first belt-like plate walls 12A, 12A facing each other across the hook-hanging wall 40 Reinforcing ribs 12C and 12C are provided at the upper edge of the first strip plate-like wall 12A and projecting away from the hook-hanging wall 40, respectively.

  The description regarding the structure of the resin pallet 10 of this embodiment is above. Next, the effect of this resin pallet 10 is demonstrated. In the resin pallet 10 of the present embodiment, as shown in FIG. 10, when a load W having a size such that the outer half of the upper surface of the beam portion 20 is exposed or a load smaller than that is loaded, the beam portion 20 of the resin pallet 10. The rope 90 can be hung on the intra-girder latching protrusion 30 disposed inside to prevent the collapse of the load. Specifically, as shown in FIGS. 5 (B), 9 (A), and 9 (B), for example, the ring portion 91 provided at the end of the rope 90 is lowered to the in-girder locking projection 30. Although not shown, the intermediate portion of the rope 90 is hooked to the reinforcing rib 33 side of the in-girder hook protrusion 30 and the load 90 is pressed against the resin pallet 10 with the rope 90. And fix it.

  Here, the retaining support bridge wall 31 that supports the retaining protrusion 30 in the spar is supported by the spar cylindrical wall 21 or the total height wall 23 in the spar 20 as shown in FIGS. 3 and 5A. ing. Since both the girder cylindrical wall 21 and the total height wall 23 extend all over the top and bottom of the resin pallet 10, the lower end portion is supported in contact with the floor surface or the ground and is stronger than the wall portions other than the total height wall 23. Is relatively high. In the present embodiment, the latching support bridge wall 31 is passed between the upper ends of all the height walls 23, 23 or between the upper ends of the girder tubular wall 21 and the entire height wall 23. The support strength of the latching support bridge wall 31 and the latching projection 30 in the girder is high. In addition to this, the central portion of the latching support bridge wall 31 provided with the in-girder latching protrusion 30 is also supported by the bridging intersection walls 32 and 34 connected to the girder cylindrical wall 21 or the full height wall 23. Therefore, also in this respect, the supporting strength of the latching support bridge wall 31 and the in-girder latching protrusion 30 is high.

  Further, when the rope 90 is hung on the intra-girder latching protrusion 30 and the load is pressed against the upper surface of the deck board 11, the strongest pressing force is applied to the bridge crossing walls 32 and 34. On the other hand, in the resin pallet 10 of this embodiment, since the anti-slip | skid part 60 has been arrange | positioned on the upper surface of the bridge | crosslinking intersection walls 32 and 34, there exists a high anti-slip effect.

  When the resin pallet 10 is loaded with a load large enough to expose the entire upper surface of the girder 20 or a smaller load, the rope 90 is hung on the above-described retaining protrusion 30 in the girder and the load collapses. The belt 92 shown in FIGS. 9 (A) and 9 (B) may be hung on the hook retaining wall 40 provided on the upper reinforcing beam 12 to prevent the collapse of the load. . Specifically, for example, a hook 93 provided at the tip of the belt 92 is hooked on the lower edge recess 40A of the hook locking bar wall 40, or an intermediate portion of the belt 92 is folded under the lower edge recess 40A. The load may be fixed by pressing the bag 92 against the resin pallet 10 by hooking it on the hook locking bar 40.

  In addition, when the luggage | load which is the extent which the upper surface of the girder part 20 is hidden on the resin pallet 10 is loaded, a luggage | load is hooked on the outside hook projection 51 of the resin pallet 10, and it is the same as the conventional resin pallet. Can be prevented from collapsing.

  As described above, in the resin pallet 10 according to the present embodiment, the in-girder locking protrusion 30 and the hook locking bar 40 that can hook the rope 90 and the belt 92 are connected to the deck board 11 from the outer surface of the resin pallet 10. Since it is arranged closer to the center, it is possible to stabilize the fixing of the small luggage (including the case where the whole of the plurality of luggage is smaller than the upper surface of the deck board 11) with the rope 90 and the belt 92 with respect to the upper surface of the deck board 11. Moreover, the effect that the intra-girder latching protrusion 30 is protected from the collision with other resin pallets 10 and forks by arranging the intra-girder latching protrusion 30 in the girder cylindrical wall 21 is also achieved.

[Other Embodiments]
The present invention is not limited to the above-described embodiment. For example, the embodiments described below are also included in the technical scope of the present invention, and various other than the following can be made without departing from the scope of the invention. It can be changed and implemented.

(1) Although the resin pallet 10 of the above embodiment includes the extra-girder latching protrusion 51 in addition to the intra-girder latching protrusion 30, the resin pallet 10 may be configured without the extra-girder latching protrusion 51.

(2) Although not included in the technical scope of the present invention, the hooking projection wall according to the present invention may be provided on the resin pallet without the hooking projection according to the present invention. For example, the in-girder latching protrusion 30 may be eliminated from the resin pallet 10 of the above-described embodiment, and a relatively small load may be configured with the hook latching pier 40.

DESCRIPTION OF SYMBOLS 10 Resin pallet 11 Deck board 12 Upper surface reinforcement beam 12A 1st strip plate-like pier wall 12B 2nd strip plate-like pier wall 20 Girder part 21 Girder part cylindrical wall 22 Reinforcement wall in girder 23 Total height wall 23A First total height wall 23B 2nd Total height wall 24 Bridge wall 25 Bottom wall 30 Girder latching protrusion 31 Latch support bridging wall 32, 34 Bridge crossing wall 40 Hook hooking wall 60B Rubber member 90 Rope 91 Ring part 92 Belt 93 Hook W Luggage

Claims (3)

A resin pallet having girder portions at a plurality of positions on a cross-shaped deck board, and a fork insertion hole between adjacent girder portions, each girder portion extending over the entire top and bottom of the resin pallet. In the resin pallet that is provided with a cross-shaped reinforcing wall in the inside of the girder cylindrical wall,
A projection projecting downward from the reinforcing wall in the girder at a position near the upper end in the girder cylindrical wall, and having a latching projection capable of latching a rope or belt for preventing load collapse ,
The reinforcing wall in the girder is formed between a full height wall having the same height as the girder cylindrical wall and between top ends of the full height walls facing each other, or between the girder cylindrical wall and the top ends of the full height walls facing each other. A bridging wall passed between them, and the hooking projection protrudes downward from the central part of the bridging wall,
One end is connected to the central portion of the bridge wall provided with the latching protrusion, while the other end is connected to another bridge wall or the girder tube wall or the full height wall, A resin pallet provided as a reinforcing wall in the girder . The resin pallet according to claim 1, wherein a rubber member for preventing slipping of luggage is disposed on an upper surface of the bridge crossing wall. The deck board has a strip shape, the width direction of the deck board faces in the vertical direction, and the upper end surface constitutes the upper surface of the deck board, while the lower end surface constitutes a plurality of bands constituting the inner upper surface of the fork insertion hole. A plate for hook hooking provided with a plate-like wall arranged in a lattice shape and having a plate shape narrower than the belt-like plate-like wall and having a lower end surface located above the inner upper surface of the fork insertion hole. The resin pallet according to claim 1 or 2, wherein a wall is provided in parallel with a part of the plurality of strip-like pier walls.

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