JP7130205B2 - container trolley set - Google Patents

Description

The present disclosure relates to a container truck set comprising a container and a truck on which the container is mounted.

Conventionally, in this type of container trolley set, a pair of guide bank portions are disposed opposite to each other on the outer edge of the load mounting surface of the trolley. is slide-mounted (see, for example, Patent Document 1).

Japanese Patent No. 3404619

However, when a pair of lower surface protrusions are formed along the front edge and the rear edge in the slide mounting direction on the lower surface of the container, in the above-described conventional container truck set, one of the lower surface protrusions was slipped and dropped from the slide loading port, making it difficult to transport the container stably. In response to this, there has been a demand for development of a container truck set that can stably transport containers.

The invention of claim 1, which has been made to solve the above-mentioned problems, comprises a container and a truck, and a pair of guide embankments are disposed facing each other on the outer edge of the load mounting surface of the truck. The container is slidably mounted from the slide mounting port between one end of the pair of guide bank portions, and is placed at the regular mounting position positioned on the stopper bank portion between the other end portions of the pair of guide bank portions. In the container trolley set to be placed, the lower surface of the container is formed with a pair of lower surface protrusions extending along the front edge and the rear edge in the slide mounting direction, and the stoppers of the load placement surface are formed on the lower surface of the container. An anti-slip engaging portion that engages with the lower surface protrusion of the container in the normal loading position is provided at an end portion on the embankment side or at a position near the end portion, and the sliding mounting portion of the load mounting surface is provided. An inclined surface is formed on the mouth-side edge, and when the container is slidably mounted, the non-slip engaging portion is formed on the front side immediately before the rear lower surface protrusion is positioned above the inclined surface. The container truck set is arranged at a position where it abuts on the lower projection .

The invention of claim 2 is the container trolley set according to claim 1 , wherein the non-slip engaging portion is composed of an elastic member protruding from the load mounting surface.

According to the invention of claim 3 , the non-slip engaging portion is disposed at a position sandwiching the lower surface protrusion of the container at the normal loading position and the bank portion for stopper. It is a container trolley set described in .

The invention according to claim 4 comprises a container and a truck, and a pair of bank portions for guides are disposed facing the outer edge of the loading surface of the truck, and one end portion of the pair of bank portions for guides In a container trolley set in which the container is slidably mounted from a slide mounting port in between and placed in a normal loading position where the entire container is placed on the cargo loading surface, the bottom surface of the container has the A pair of lower surface projections extending along the front edge and the rear edge in the slide mounting direction are formed on the load mounting surface, and the load mounting surface is provided with slides that engage with the lower surface projections of the container in the normal mounting position. A non-slip engaging portion is provided, and an inclined surface is formed on an edge portion of the load mounting surface on the side of the slide loading opening, and the non-slip engaging portion is adapted to prevent the container from sliding when the container is slidably mounted. The container trolley set is arranged at a position where the lower surface protrusion on the front side comes into contact with the lower surface protrusion on the front side just before the lower surface protrusion on the side is positioned above the inclined surface.

In the container trolley set of claim 1, the non-slip engaging portion is provided at the end portion on the side of the embankment portion for the stopper or at a position close to the end portion of the cargo placing surface, and engages with the lower surface projection portion of the container at the normal loading position. do. The engagement holds the container in the normal loading position and enables stable transportation of the container.

In addition, since an inclined surface is formed on the edge of the slide loading opening side of the load mounting surface, when the container is slid toward the normal loading position, the lower projection on the rear side of the container does not touch the load. Even if the container abuts against the edge of the mounting surface on the side of the slide mounting port, it can be easily moved to the normal mounting position by pushing the container. At this time, since the front bottom protrusion abuts against the non-slip engaging portion just before the rear bottom protrusion is positioned above the inclined surface, the operator does not notice that the container is in the vicinity of the normal loading position. Therefore, it is possible to suppress a situation in which the bottom projection on the rear side of the container is strongly collided with the inclined surface, or the front end of the container is strongly collided with the embankment for the stopper.

In the container trolley set of claim 2 , since the non-slip engaging portion is composed of an elastic member protruding from the loading surface, damage due to contact between the lower projection and the non-slip engaging portion can be prevented. be

In the container trolley set of claim 3 , the projecting portion on the bottom surface of the container passes through the non-slip engaging portion and the container reaches the normal loading position. can confirm that

In the container trolley set of claim 4 , a non-slip engaging portion is provided on the cargo loading surface, and engages with the bottom projection of the container at the normal loading position. The engagement holds the container in the normal loading position and enables stable transportation of the container.

In addition, since an inclined surface is formed on the edge of the slide loading opening side of the load mounting surface, when the container is slid toward the normal loading position, the lower projection on the rear side of the container does not touch the load. Even if the container abuts against the edge of the mounting surface on the side of the slide mounting port, it can be easily moved to the normal mounting position by pushing the container. At this time, since the front bottom protrusion abuts against the non-slip engaging portion just before the rear bottom protrusion is positioned above the inclined surface, the operator does not notice that the container is in the vicinity of the normal loading position. It is possible to suppress a situation in which the lower surface projection on the rear side of the container is strongly collided with the inclined surface.

1 is a perspective view of a container truck set according to an embodiment of the present disclosure; FIG. perspective view of container Conceptual image of containers being stacked Perspective view of the base Bottom perspective view of base Enlarged bottom perspective view of base Enlarged cross-sectional view of the container truck set in which the container is placed at the normal loading position Cross-sectional view of the container truck set with the container placed at the normal loading position Cross-sectional view of the container truck set in the middle of sliding the container Enlarged cross-sectional view of the container trolley set in a state in which a container is being slid and mounted Conceptual image of trolleys being stacked Cross-sectional view of the container truck set in the middle of sliding the container Enlarged cross-sectional view of the container trolley set in a state in which a container is being slid and mounted

The container truck set 10 of the present disclosure will be described below based on FIGS. As shown in FIG. 1, the container truck set 10 includes a container 11 and a truck 30 on which the container 11 can be placed. The container 11 has a rectangular parallelepiped shape with an open upper surface, and has a rectangular bottom plate 12 and side plates 13 erected from four sides of the bottom plate 12 . The side plate 13 rises slightly from the inner side of the outer edge of the bottom plate 12 and extends so as to be slightly inclined outward. The four corners of the bottom plate 12 are rounded, and outwardly curved walls 15 are provided between the side plates 13 according to the shape.

The upper end of the side plate 13 is formed with a protruding portion 13H protruding outward. The outer surface of the side plate 13 is provided with a vertical rib 14 extending between the projecting portion 13H and the bottom plate 12 . A total of eight vertical ribs 14 are provided on each side plate 13, one at a position near each end in the horizontal direction.

As shown in FIG. 2, the bottom surface 12U of the container 11 is provided with bottom beams 20, 20 (corresponding to "lower surface protrusions" in the claims) at both ends in the long side direction. The bottom girder 20 extends along the short sides of the bottom surface 12U of the bottom plate 12 . The bottom girder 20 includes opposing walls 21, 21 that face each other in the long side direction of the bottom surface 12U, curved connection portions 22, 22 that connect both ends of the opposing walls 21, 21 while curving outward, and the opposing wall 21. , 21 and inner ribs 23 connecting the inner surfaces thereof.

The bottom girder 20 is located inside the side plate 13 and the curved wall 15 of the container 11 by two or three plates. Therefore, as shown in FIG. 3, when the containers 11 are stacked together, the bottom girder 20 of the upper container 11 is received in the upper end opening of the lower container 11 to prevent rattling.

As shown in FIG. 1, the truck 30 has casters 32 attached to the four corners of the lower surface of a base plate 31 whose planar shape is one size larger than the bottom plate 12 of the container 11 . As shown in FIG. 4 , the base plate 31 includes a top plate 33 and an outer peripheral wall 34 protruding downward from the outer edge of the top plate 33 .

As shown in FIG. 5 , a plurality of reinforcing ribs 35 are erected on the entire lower surface of the top plate 33 . A plurality of reinforcing ribs 35 are formed in a grid pattern extending in the long side direction and the short side direction of the top plate 33 . Caster fixing portions 36 for fixing the casters 32 (see FIG. 1) are provided at the four corners of the bottom surface of the top plate 33 . As shown in FIG. 6, the caster fixing portion 36 includes an insertion opening 36A for slidingly inserting a base plate (not shown) of the caster 32, and a fixture (see FIG. 6) that closes the insertion opening 36A after the base plate is inserted. (not shown).

As shown in FIG. 4, recesses 37 are formed in the upper surface of the top plate 33 (corresponding to the "loading surface" in the claims) and the four corners. These concave portions 37 are arranged at positions substantially right above the caster fixing portions 36 . The recess 37 has a rectangular shape extending along the long side of the top plate 33 and is divided into an inner recess 37A and an outer recess 37B by a partition wall 37S provided in the center. The upper end of the partition wall 37S is lower than the upper surface of the top plate 33. As shown in FIG. A bulging portion 37U that bulges inward in the short side direction of the top plate 33 is formed at the outer end portion of the outer concave portion 37B. Drain holes 37E are formed at both ends of the concave portion 37 in the long side direction.

A handle hole 38 is provided at the center of each side of the base 31 so that the carriage 30 can be easily lifted. Specifically, as shown in FIG. 4, a through hole 33A extending along each side is formed at the center of each side of the top plate 33, and reinforcement is provided from the entire periphery of the opening edge of the through hole 33A. A rib 35 hangs down.

Now, as shown in the figure, a pair of long sides protruding upward are provided on a pair of long sides of the upper surface of the base plate 31 (corresponding to the "loading surface" in the claims). Bank portions 40, 40 (corresponding to the "guide bank portion" in the claims) are provided. The long-side bank portion 40 extends over the entire long-side portion of the upper surface of the base 31 . One of the pair of short sides on the upper surface of the base plate 31 has two short side embankments 41 (corresponding to the "stopper embankment" in the claims). It is divided into The short-side bank portions 41, 41 respectively extend from the ends of the pair of long-side bank portions 40, 40 to the central portion of the short-side portions. The central end of the short-side bank portion 41 is arranged substantially right beside the end of the handle hole 38 formed in the short-side portion.

The long-side bank portion 40 and the short-side bank portion 41 are composed of side walls 40A and 41A protruding upward from positions near the outer edge of the upper surface of the top plate 33, and upper walls 40B and 41B protruding outward from the upper ends of the side walls 40A and 41A. and a plurality of reinforcing ribs 42 connecting the outer surfaces of the side walls 40A, 41A, the lower surfaces of the upper walls 40B, 41B, and the outer edge of the upper surface of the top plate 33. As shown in FIG. The lower end portions of the side walls 40A and 41A are sloped portions 40K and 41K that slope toward the central portion of the base 31 as they go downward.

As shown in the figure, at both ends of the long-side bank portion 40, long-side recessed portions 40U are formed on extensions of the partition walls 37S of the recesses 37 on the top plate 33, and are recessed downward. A short-side depression 41U is formed on the outer end of the short-side embankment 41 along the longitudinal extension of the concave portion 37 on the top plate 33 . The short-side recessed portion 41U has a shape in which the inner portion of the upper wall 41B in the width direction and the portion from the upper end of the side wall 41A to the front position of the inclined portion 41K are recessed.

Of the pair of short side portions on the upper surface of the base plate 31, the short side portion on which the short side embankment portion 41 is not provided forms a slide mounting port 45 that opens outward. An inclined portion 46 (corresponding to the “inclined surface” in the claims) inclined downward toward the outside is formed on the outer edge portion of the upper surface of the base plate 31 on the side of the slide mounting opening 45 . there is A sloped bank portion 45</b>K continuous from the sloped portion 46 is also formed at the ends of the pair of long side bank portions 40 , 40 on the side of the slide mounting port 45 .

Here, in the container truck set 10 of the present disclosure, four grommets 47 are attached to the upper surface of the base plate 31 . Specifically, on the upper surface of the base plate 31, there are two positions near the short-side embankment portion 41 and a position slightly closer to the center portion of the base plate 31 from the longitudinal central side end of the recess 37 on the side of the slide mounting port 45. Annular depressions 50 having an annular cross-section are respectively formed at two positions. As shown in FIG. 7, the inner surface of the annular recessed portion 50 has a stepped portion 50D in the center in the vertical direction, and the upper portion has a stepped diameter that is smaller than that of the lower portion.

The grommet 47 is made of, for example, a member having elasticity and wear resistance such as a thermoplastic elastomer, and has an upper wall 47A that is in the shape of an annular plate and bulges slightly upward. It has an outer peripheral wall 47B and an inner peripheral wall 47C that hangs down from the inner peripheral edge of the upper wall 47A, and is press-fitted into the annular depression 50 of the base plate 31 from above. The inner peripheral wall 47C of the grommet 47 is shorter than the outer peripheral wall 47B. abutting. The upper wall 47A of the grommet 47 has an outer edge positioned slightly below the upper surface of the base plate 31 and projects slightly above the upper surface of the base plate 31 by sloping upward as it goes inward.

Of these four grommets 47, the two grommets 47 on the side of the short-side bank portion 41 (hereinafter referred to as "engaging grommets 47X" as appropriate. Corresponding to the "non-slip engaging portion" in the claims) are 7, the bottom girder on the side of the short-side bank portion 41 of the container 11 placed at a position adjacent to the short-side bank portion 41 on the platform 31 (hereinafter referred to as the “regular mounting position”). 20 and the bank portion 41 on the short side. At this time, as shown in FIG. 8, the bottom girder 20 of the container 11 on the side of the slide loading port 45 is arranged at a position slightly inside the inclined portion 46 on the upper surface of the base plate 31 .

9 and 10, in the container truck set 10 of the present disclosure, the bottom girder 20 on the side of the short-side embankment 41 of the container 11 contacts the outer edge of the engagement grommet 47X on the side of the slide mounting port 45. When contacting, the bottom girder 20 on the side of the slide mounting port 45 is arranged outside the inclined portion 46 by approximately one bottom girder 20 . In other words, the engagement grommet 47X is positioned at a position where it abuts on the front bottom girder 20 immediately before the rear bottom girder 20 is positioned above the inclined portion 46 when the container 11 is slid from the slide mounting opening 45 to the back side. are placed in

As shown in FIG. 11, when the carriages 30 are stacked, the casters 32 of the upper carriage 30 are received in the concave portions 37 of the lower carriage 30 . In the figure, the casters 32 on the side of the slide mounting port 45 are arranged in the outer recessed portions 37B of the recessed portions 37 on the side of the slide mounting port 45, and the casters 32 on the side of the short side bank portion 41 are located on the side of the short side bank portion 41. It is arranged inside the inner recess 37A of the recess 37 and positioned between the inner surface of the recess 37 and the partition wall 37S. This prevents the upper carriage 30 from falling. A brake (not shown) is attached to the axle of the caster 32, and this brake is received in the recessed portion 40U on the long side of the bank portion 40 on the long side. This prevents damage to the long-side embankment portion 40 due to the brake.

Further, even when the casters 32 are reversed front to back, the casters 32 on the side of the slide mounting port 45 are arranged in the inner recessed portions 37A of the recessed portions 37 on the side of the slide mounting port 45, and the casters 32 on the side of the short side embankments 41 are arranged inside the recessed portions 37A. is arranged in the outer recess 37B of the recess 37 on the side of the short-side bank portion 41 and positioned. At this time, a part of the caster 32 on the side of the short-side bank portion 41 is received in the short-side depression portion 41U, and the short-side bank portion 41 is prevented from being damaged.

Now, the container truck set 10 of the present disclosure is used with the container 11 placed on the truck 30 . Here, as described above, since the bottom girder 20 is provided on the bottom surface of the container 11, if the cart 30 is jolted by passing through a rough road with the container 11 placed on the cart 30, the slide mounting opening may be damaged. There is a concern that one of the bottom girders 20 from 45 slips and falls from the slide mounting port 45 , causing the container 11 to tilt or fall from the carriage 30 .

However, in the container trolley set 10 of the present disclosure, the engagement grommet 47X that has elasticity at a position near the short side embankment portion 41 of the base plate 31 and protrudes from the upper surface of the base plate 31 is provided, and the container 11 at the normal mounting position is provided. The bottom girder 20 on the short side bank part 41 side of the container 11 is sandwiched between the short side bank part 41 and the short side bank part 41, and engages with the bottom girder 20 on the short side bank part 41 side of the container 11 that is about to slide toward the slide loading port 45. Therefore, the container 11 is prevented from falling, and the transportation of the container 11 can be stabilized more than before.

By the way, when the container 11 is mounted on the carriage 30, one of the bottom girders 20 in the longitudinal direction of the container 11 is placed on the platform 31 from the slide mounting opening side, and the container 11 is pushed from the other side in the longitudinal direction to form a pair. The long-side bank portions 40, 40 are used as guides to slide to the short-side bank portion 41 side. Here, since an inclined portion 46 is formed at the end of the upper surface of the base plate 31 on the side of the slide mounting port 45, as shown in FIGS. Even if the container 11 comes into contact with the outer edge of the upper surface of the board 31, it can be easily moved to the normal mounting position by pushing the container 11.例文帳に追加

At this time, as shown in FIGS. 9 and 10, the front bottom girder 20 comes into contact with the engaging grommet 47X just before the rear bottom girder 20 is positioned above the inclined portion 46, so that the container 11 is properly mounted. The operator can be made to notice that it is near the position, and the bottom girder 20 on the rear side of the container 11 is strongly collided with the inclined part 46, and the front end part of the container 11 is strongly collided with the short side embankment part 41. It is possible to suppress the situation that can be forced. In addition, since the bottom girder 20 of the container 11 passes over the grommet 47 and the container 11 reaches the normal mounting position, it is confirmed that the container 11 has reached the normal mounting position by the resistance of the slide mounting operation transmitted to the operator. can be done.

Furthermore, since the grommet 47 is made of an elastic material to reduce the amount of protrusion from the upper surface of the base plate 31, it is less likely to interfere with the slide mounting while exhibiting the anti-slip effect, so that the container 11 can be loaded smoothly. can be done. Furthermore, since the grommet 47 is made of an elastic member, the bottom girder 20 is prevented from being damaged due to contact with the grommet 47 .

[Other embodiments]
(1) In the above embodiment, the grommet 47 is made of thermoplastic elastomer, but it may be made of other materials with excellent elasticity and abrasion resistance, such as soft synthetic resin and vulcanized rubber. Also, the grommet 47 may be made of a hard member.

(2) In the above embodiment, the bottom girder 20 is sandwiched between the engaging grommet 47X and the short-side embankment portion 41 at the normal mounting position. It may be configured to be Even in this case, the bottom girder 20 is frictionally engaged with the engaging grommet 47X, preventing the container 11 from slipping.

(3) In the above embodiment, the engaging grommet 47X protrudes upward from the upper surface of the base plate 31, but may be flush with the upper surface of the base plate 31. Even in this case, the bottom girder 20 is frictionally engaged with the engaging grommet 47X, preventing the container 11 from slipping.

(4) In the above-described embodiment, the grommet 47 is provided on the side of the slide mounting opening 45 in addition to the engaging grommet 47X near the short side embankment 41. It doesn't have to be.

(5) In the above embodiment, the front bottom girder 20 abuts against the engaging grommet 47X before the rear bottom girder 20 is positioned above the inclined portion 46. , so that the rear bottom beam 20 is positioned above the inclined portion 46 before the front bottom beam 20 contacts the engaging grommet 47X.

(6) In the above-described embodiment, the short-side bank portion 41 is provided on the carriage 30, but the short-side bank portion 41 may not be provided. Even in this case, the container 11 is prevented from slipping toward the slide mounting opening 45, and the transport of the container 11 can be made more stable than before.

10 container trolley set 11 container 20 bottom girder (bottom projection)
30 Carriage 31 Base board 32 Caster 37 Recess 40 Bank of long side (Bank for guide)
40U long side depression 41 short side embankment (stopper embankment)
41U short side recessed portion 45 slide mounting port 45K bank inclined portion 46 inclined portion (inclined surface)
47 grommet 47X engaging grommet (non-slip engaging portion)
50 annular depression

Claims (4)

A container and a carriage are provided, and a pair of guide bank portions are disposed opposite to each other on the outer edge of the cargo mounting surface of the carriage. A set of container carts in which a container is slidably mounted and placed at a regular mounting position positioned on a stopper bank portion between the other ends of the pair of guide bank portions,
A pair of lower surface protrusions extending along the front edge and the rear edge in the slide mounting direction are formed on the lower surface of the container,
A non-slip engaging portion that engages with the lower surface protrusion of the container in the normal loading position is provided at an end portion on the side of the embankment portion for stopper or at a position near the end portion of the load placing surface,
an inclined surface is formed on an edge portion of the load mounting surface on the side of the slide mounting port;
The non-slip engaging portion is arranged at a position where it abuts against the front bottom surface projection immediately before the rear bottom surface projection is positioned above the inclined surface when the container is slidably mounted. Container truck set. 2. The container trolley set according to claim 1, wherein said non-slip engaging portion is composed of an elastic member protruding from said load mounting surface. 3. The container trolley set according to claim 1, wherein the non-slip engagement portion is disposed at a position sandwiching the bottom projection of the container in the normal loading position and the bank portion for stopper. A container and a carriage are provided, and a pair of guide bank portions are disposed facing each other on the outer edge of the load mounting surface of the carriage. A container trolley set in which a container is slidably mounted and is placed in a normal loading position where the entire container is arranged on the cargo loading surface,
A pair of lower surface protrusions extending along the front edge and the rear edge in the slide mounting direction are formed on the lower surface of the container,
The load mounting surface is provided with a non-slip engaging portion that engages with the lower projection of the container in the normal loading position,
an inclined surface is formed on an edge portion of the load mounting surface on the side of the slide mounting port;
The non-slip engaging portion is arranged at a position where it abuts against the front bottom surface projection immediately before the rear bottom surface projection is positioned above the inclined surface when the container is slidably mounted. Container truck set.

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