JP2009001314A - Pallet with casters - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pallet with double functions of a moving function of the main body of the pallet for an area where no moving/organizing device is provided in an exclusive cargo chamber, and contact of the bottom face of the main body to the ground for preventing the movement or collapse of a cargo. <P>SOLUTION: The main body of the pallet is mounted with casters for moving function. Additionally, when a cargo is loaded, in order to prevent the cargo loaded from being damaged by its collapse or movement during transportation, the casters are stored to contact the bottom face of the pallet on the ground for stable transportation. In this way, the pallet with the double functions achieves a series of inexpensive and efficient cargo transportation processes. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a pallet for facilitating movement and ordering in a cargo compartment when a cargo is mounted on a vehicle.

  The conventional movement and ordering of the cargo room is based on a hand lifter, and a moving ordering device dedicated to the cargo room called a Jorder is used.

   With a Jorder, palletized cargo is usually placed on the rear end of a truck with a forklift, but can only be placed within the reach of the forklift pawl. If transported in this position, cargo collapse will occur at the time of sudden braking or sudden start. Therefore, it is necessary to push the load placed on the rear end of the truck together with the pallet to the back of the loading platform. In this method, two concave rails are installed on the floor, and a unit that can move up and down about 1 cm is placed in the groove, and the pallet is lifted from the floor with this unit. Slide to the back. This is all the equipment unit. In addition, the Jorder method is not applied to items that can be loaded and unloaded from the side of the cargo compartment with the roof open.

However, there are very few freight cars equipped with Jorda, and hand lifters are only installed in terminals for loading luggage.

  Also, once you put a load on the pallet and ground it in the loading room, it is not easy to move the load, and it is still difficult to move a heavy load. First, plan how to load and determine the position with great care. Also, efforts must be made to shorten the time required for loading.

  However, once the cargo is loaded and moved, with the moving device such as a caster attached, the cargo moves in the cargo space due to vibration during movement, left and right turn, sudden stop, etc. Will be damaged.

  In order to solve this problem, the present invention enables the use of casters attached to the pallet body in order to facilitate the arrangement of movement when mounted on a vehicle, and stores the casters during transportation so that the bottom surface of the pallet is placed on the floor of the cargo compartment. It can be installed and stably transported, so to simplify the series of transport processes.

In the pallet movement assisting tool of Patent Document 1, it is necessary to attach an assisting tool to each moving pallet. For installation, turn the handle to raise the pallet and remove it after use.
There is a series of time-consuming operations of mounting on the next pallet, resulting in a result that does not meet the original purpose of simplifying cargo transportation.
JP 2000-238644 A

  The problem to be solved is that the pallet body has a moving function in a place where there is no moving ordering device in the dedicated cargo room, and the bottom surface is grounded to prevent movement and load collapse during transportation. It is equipped with functions.

  In the present invention, a caster is arranged on the pallet main body to enable movement with a load placed thereon, and when mounted on a vehicle, the caster is stored and the bottom surface of the pallet is placed in the cargo compartment in order to prevent movement and load collapse due to vibration. The function of grounding to the floor is realized by raising and lowering the box that fixes the casters with an air actuator.

  The pallet with casters of the present invention can be easily arranged in a freight vehicle that does not have a special function for arranging movement in the cargo compartment, and can easily realize a state in which an accident during transportation is suppressed.

  In the lift with air, the lifting operation from the floor surface is not constant in a load-laden state with respect to the pallet plane, and the so-called tilted and unstable operation becomes unstable. Implementing casters with pallets to solve the problems at the beginning of the sentence and simplify a series of transportation processes in order to realize a pallet that has the functions of moving with luggage and stability during transportation. Will be described with reference to FIGS.

  FIG. 1 is a cross-sectional view of one embodiment of the apparatus of the present invention. 1 is a hose for sending air, 2 is a rubber balloon for raising and lowering the caster inner box due to expansion and contraction, and 3 is a pulling spring for pulling back the caster inner box and assisting storage, and is attached in four directions. 4 is a caster, 5 is a tire, 6 is a caster inner box, 7 is a caster ascending / descending and pulling back, and an outer box attached with a collar that synchronizes lifting / lowering. Reference numeral 8 is a pin for connecting a pulling spring and passing through a hole in the vertical direction of the outer box and a hole in the synchronization collar at an angle to transmit the movements of the four casters in conjunction with the raising and lowering of the four casters. This is also attached to the cylindrical outer box in four radial positions. 9 is a cylindrical collar for synchronizing the protruding height of each caster every hour, 10 is the pallet body upper surface 11 is the pallet body bottom surface.

  FIG. 2 is based on FIG. 1 to add a mechanism for suppressing the inclination of the surface generated when raising and lowering the pallet and maintaining a constant raising and lowering state regardless of the load of the cargo. For the sake of clarity, the outer box 7 has a cross section, and the state of expansion and contraction of the rubber balloon is shown.

  Moreover, FIG. 2 is a figure which shows that the caster height at the time of raising / lowering achieves uniform raising / lowering operation | movement with the interlocking instrument and the collar attached to each.

a is when the caster is used, and the pin protruding from the inner box moves to the lower part of the hole opened diagonally in the collar. In this position, the synchronizing collars mounted around each of the four casters are connected by wires, so that the four collar holes are also forced to move to the same position.

b is a state where the caster is stored and the bottom surface of the pallet is in contact with the floor. At this time, the position of the pin with respect to the collar hole moves to the top, and again, the four corner casters are evenly retracted and stored.

  In this way, when the caster is used, the bottom of the pallet is grounded, and when the caster is used, and the constant lifting and lowering maintenance device achieves an hourly operation without inclination, and the effect of improving safety and efficiency during a series of operations is obtained. It is.

FIG. 3 shows the arrangement and wiring of each component on the pallet. Also,
Since the drawing is complicated, the drawing spring is omitted. 12 is a box for collecting the contents from 14 air injection valves once in the center and distributing them evenly to the valves at the four corners. 13 is a distribution hose, 14 is an air injection valve, and 15 is an air exhaust. It is a valve to do. In addition, if the valves 14 and 15 are respectively provided with an injection and discharge mechanism at the same time, the injection and discharge can be performed regardless of the installation direction. Reference numeral 16 denotes a wire for connecting the collar for synchronizing the lifting operation.

FIG. 4 explains in detail the link mechanism of claim 4, which is the main part of the present case. In FIG. 4, 6 is a piston (inner box), 7 is an outer box for mounting each component, and 9 is a cylindrical body with an oblique hole (synchronizing collar).

  Here, FIG. 5c shows a state in which the inner 6 piston box is mounted in the outer 7 box.

When the rubber balloon for air actuator in the outer box of 7 (above the inner box of 6) is inflated by air, the inner box is lowered downward, and is attached to the inner box so that the vertical direction of the outer box The four pins projecting from the oval hole opened at the top and bottom move up and down in the direction of the arrow shown in FIG.

This vertical movement is the position of the caster fully retracted when the pin is at the top,
At the lowest position, the caster is at the position where the predetermined protrusion is maximum from the bottom of the pallet.

In FIG. 5d, 6 inner boxes are put into 7 outer boxes, 9 cylindrical bodies with oblique holes are attached around the 7 outer boxes, and wires are fixed to a part of the outer periphery thereof.

  The amount of protrusion of the caster per hour that appears at the pin position from the top to the bottom of the elliptical hole of the outer box of 7 is linked to the rotational movement by the cylindrical body with the oblique hole and the wire connecting it, and always 4 Correction is made so that the protrusions of the two casters are equal.

For easier understanding, description will be made with reference to FIGS. 6, 7, and 8. FIG. 6 shows the d in FIG.
This state is seen from the side. When the top of the elliptical hole in the outer box of 7 is the base point and moves downward (in the direction in which the caster protrudes), the cylindrical body with 9 oblique holes rotates by the amount of the arrow. Seen from above, it looks like FIG.

Then, the wire connecting the four cylindrical bodies with the oblique holes is pulled in the direction of the arrow at the lower left in FIG. 7, and a force is generated to rotate the cylindrical body with the oblique holes in the base point direction of the arrow. Then, since the remaining three cylindrical bodies with oblique holes are also connected by wires, each one tries to maintain the same rotational distance accurately. (See Figure 8)

The movement amount of the caster in the movement from the middle part of the elliptical hole of the outer box to the lowermost part and the lowermost part to the uppermost part when the elliptical hole of the outer box is moved, except for the condition of FIG. It is maintained every hour by the slanted cylindrical body connected by a wire.

  A simple, efficient, and safe series of transportation processes can be realized without installing a dedicated movement management function in the freight vehicle. In addition, as a condition, there is a compressor as a device for injecting air, and it is prepared in either a freight car or a terminal and a cargo handling work place. Further, if a mechanism for attaching the handle to the side of the pallet is provided, it can be used more conveniently.

It is explanatory drawing which showed the cross section of each component of a caster. It is side surface perspective explanatory drawing which showed the raising / lowering state of the pallet. It is bird's-eye perspective explanatory drawing which has arrange | positioned each component on the pallet. It is explanatory drawing of the figure which represented each component in three dimensions. It is explanatory drawing of the figure which assembled each component in steps. It is explanatory drawing which represented the link mechanism in the side surface. It is explanatory drawing which represented the link mechanism by the upper surface. It is explanatory drawing which represented the link mechanism by the upper surface.

Explanation of symbols

1 Air Hose 2 Rubber Balloon for Air Actuator 3 Caster Storage Auxiliary Pull Spring 4 Caster 5 Caster Wheel 6 Piston (Inner Box)
7 Outer box for mounting each part 8 Support pin for each mechanism 9 Cylindrical body with slant holes (synchronizing collar)
10 Pallet body top surface 11 Pallet body bottom surface 12 Air collecting box 13 Air distribution hose 14 Air injection valve 15 Air discharge valve 16 Casters lifting / lowering synchronization wire a Caster use state b Pallet bottom surface grounding c Piston and outer box assembly diagram d Piston , Assembly drawing of outer box and cylindrical body with diagonal holes

Claims (4)

  This is a pallet for loading cargo used in the distribution system. When compressed air is supplied, the wheel part of the caster protrudes from the bottom of the pallet, and when the compressed air is released, the wheel part of the caster is retracted from the bottom of the pallet. Pallet characterized by being stored.   The pallet according to claim 1, wherein the actuator for operating the caster to project and store is a substantially cylindrical hollow body made of rubber.   The pallet has a rectangular plate shape, casters are arranged near four corners, and actuators for operating the casters are connected by an air circuit. palette. Depending on the amount of protrusion of the caster, the cylindrical body with oblique pin holes rotates, and for the plurality of casters provided on the same pallet, the outer periphery of the cylindrical body is connected by a wire or link, thereby protruding the plurality of casters. The pallet according to claims 1 to 3, characterized in that the amount is kept substantially the same.

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