JPH11189302A - Box pallet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To safely and simply take out waste housed in a box pallet. SOLUTION: A box pallet so assembled as to be opened and closed, having the released upper part, having four peripheries and the bottom part surrounded with side plates 2A to 2D and bottom plates 3A, 3B, and having the bottom plates 3A, 3B divided into two is composed of an operating arm 8 so supported as to be vertically tilted in relation to the side plates 2A to 2D, a connecting member for connecting two divided bottom plates 3A, 3B to each other so that the opening and closing operations of the bottom plates 3A, 3B may be allowed, and an operating rod laterally mounted so as to be displaced on the tilt movement locus of the operating arm 8 and in a direction to be deviated from the tilt movement locus. This operating rod is so constituted as to maintain the closing states of the bottom plates 3A, 3B in the engaging state with the operating arm 8 and as to allow the opening state of the bottom plates 3A, 3B in the non-engaging state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a box pallet for storing, for example, industrial waste.

[0002]

2. Description of the Related Art In general, a box pallet of this type is formed in a box shape having an open top, and stores appropriate waste and the like therein. When the box pallet is taken out from the box pallet, the box pallet becomes a considerably heavy object including wastes, so that the box pallet is lifted by a forklift or the like and transported to a predetermined portion. At present, the pallet is taken out while being suspended and tilted, and a structure in which a side plate of a box pallet is opened and closed to make it relatively easy to take out waste and the like has been devised.

[0003]

In the prior art described above, the box pallet itself is suspended and tilted by another means, such as a wire, when taking out the stored waste or the like. It requires at least two people, one who actually suspends the wires and the other who lifts and operates the box pallet with a forklift, etc. If the coordination is hindered, the suspending work is extremely dangerous. In many cases, the worker was seriously injured by the corners of the box pallet or the wires. Also, in the case of opening and closing the side plate of the box pallet, it is very troublesome for the operator to take out the waste inside, and it is very troublesome, and as described above, it is necessary to remove it at once. However, the box pallet itself must be lifted, which is a dangerous operation. SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-described conventional problems, and has as its object to provide a box pallet that can extremely safely and easily take out waste and the like stored in the box pallet.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention has an upper part open and four sides and a bottom part surrounded by a side plate and a bottom plate. A box pallet, an operating arm supported so as to be able to tilt up and down with respect to the side plate,
A linking member linking the operating arm and the split bottom plate so as to allow each of the bottom plates to open and close, and a position displaceable in a direction deviating from the tilting locus on the tilting locus of the operating arm And the operating arm is detachable from the operating arm. The operating rod maintains the closed state of the bottom plate when engaged with the operating arm and opens the bottom plate when disengaged. The gist is that the state is allowed. Further, it is preferable that the linking means is constituted by an operation link means which is pivotally connected to a bottom plate having one end portion divided into two, and is coaxially pivotally connected to the operation arm at the other end portion. Further, it is preferable that the connecting means is constituted by connecting cable means such as a chain having one end connected to the two divided bottom plates and the other end attached to the operating arm so as to be movable within a predetermined range. Further, it is preferable that the operating arm is configured to be engaged with the operating rod in an upwardly inclined state. A first operating means for manually displacing the operating rod with respect to the operating rod is provided, and a second operating means for displacing the operating rod with another power is provided. Is preferred.

[0005]

According to the above construction, when the box pallet is lifted by a forklift or the like, the operating rod is displaced in a direction deviating from the tilting locus of the operating arm to release the engagement with the operating arm. The operating arm is tilted downward. At the same time, the open state of the bottom plate is allowed by the connecting means connected to the two divided bottom plates, and the waste and the like stored in the pallet are taken out.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings. In the figure, reference numeral 1 denotes the entire box pallet, and the box pallet 1 is open at the top with four side plates 2A, 2B, 2C and 2D and bottom plates 3A and 3B whose bottom is divided into two substantially at the center. It is formed in a box shape. The bottom plates 3A and 3B are provided at the lower ends of the opposing side plates 2A and 2B so as to be openable and closable via pivoting means such as hinges, and support rods 4A and 3A along the divided edges. The supporting rods 4A and 4B have guide members 5 and 5 which both project slightly from the side edges of the bottom plates 3A and 3B and which also serve as cushions larger than the supporting rods 4A and 4B. I have. The side plate 2
A substantially gate-shaped receiving metal fittings 6 to 6 into which forks such as fork lifts are inserted at predetermined intervals on the upper surfaces of A and 2B.
Is mounted, and four relatively short legs 7 to 7 are provided at the lower part.
The book is installed. The side plates 2A and 2B are provided with a buffer member made of rubber or the like that buffers the bottom plates 3A and 3B when the bottom plates 3A and 3B are open.

[0007] At substantially the center of the side plates 2C and 2D on the side orthogonal to the divided edges of the bottom plates 3A and 3B, operating arms 8 and 8 are vertically moved along the side plates 2C and 2D via bosses 8a. It is tiltably supported. (However, in the following description, one side plate 2C side will be described, but the same configuration will be adopted for the other side plate 2D side.) The arm portion 8b of the operation arm 8 is tilted upward. At one end, a desired guide arcuate surface 8c is formed so as to protrude slightly from the edge of the side plate 2C so as to protrude, and the arm 8b extends along its longitudinal direction from its tilt bearing portion. A guide bearing member 10 forming a guide slot 9 is integrally formed, and a support ring 1 for attaching connecting cables 11, 11 made of a chain or the like in the guide slot 9.
2 is mounted movably along the arm portion 8b.
A connecting cable 1 composed of two chains or the like constituting a connecting member
The upper ends of the connecting rods 1 and 11 are mounted on the support ring 12, and the lower ends thereof are mounted on the protruding ends of the supporting rods 4A and 4B of the two divided bottom plates 3A and 3B. When the arm 8 is tilted upward, the support ring 12 is positioned near the tilt support portion (boss 8a) of the operating arm 8 to keep the bottom plates 3A and 3B closed, close the bottom of the box pallet 1 and operate the operating arm. 8, the support ring 12 is positioned near the farthest position from the tilt support portion (boss 8a) of the operating arm 8 to allow the bottom plates 3A and 3B to open and open the bottom of the box pallet 1. Set to length. In addition, a saw blade-shaped adjusting member 13 is mounted on the arm portion of the guide member 8 so that the support ring 12 moves stepwise in the guide elongated groove 9. A working cable such as a wire is attached.

On one side plate 2A orthogonal to the side plate 2C, support brackets 14 and 14 are provided obliquely and projecting from both upper portions thereof at predetermined intervals on both sides thereof.
The guide brackets 4 and 14 are provided with oblique guide slots 15 and 15, respectively.
A long operating rod 16 is laid across the inside of the side plates 2 and 5 so as to be movable along the oblique guide long grooves 15 and 15 from the side plate 2A. And the operating rod 16
In the state where both ends protrude from the side ends of the side plate 2A and are located at the lowest position of the oblique guide long grooves 15, 15, the end of the operation arm 8 is mounted and locked, and While maintaining the upwardly inclined state, the oblique guide long groove 1
5, 15 are moved obliquely upward (in the direction of retreating from the side plate 2A), and the upper end of the operating arm 8 is locked with the end of the operating arm 8 as it is positioned at the highest position of the oblique guide long grooves 15, 15. The operating arm 8 is configured to be dissociated to allow a downward tilt state. The operating rod 16 is provided with support brackets 14 and 1 so as not to be displaced in the longitudinal direction (axial direction of the rod) with respect to the oblique guide long grooves 15 and 15.
A position regulating flange 17 abutting on the position 4 is attached.

A plate-like operating member 19 constituting first operating means is supported by a bracket 18 at a substantially central portion of the upper portion of the one side plate 2A so as to be tiltable. Slightly protruded from the upper end surface of the side plate 2A,
The lower end faces the shaft of the operating rod 16. Thus, the operating member 19 is tilted clockwise in FIG. 1 to move the operating rod 16 obliquely upward (in a direction of retreating from the side plate 2A) from the lowest position of the oblique guide long grooves 15, 15. Slant guide long grooves 15, 15
Is configured to be operated to be positioned at the highest level of. In FIG. 1, the operation member 19 is always urged to rotate counterclockwise by a means such as a winding spring (not shown) wound around the tilt shaft.

[0010] The guide support member 1 of the two operating arms 8, 8
A substantially gate-shaped receiving portion 20 is integrally formed on the upper portion 0,
An end of an operating cable 21 such as a wire for closing the bottom plates 3A and 3B is attached to the receiving portion 20 while avoiding the operating rod 16. Then, this operating cable 21
Is to close the bottom plates 3A and 3B by being hooked and lifted by a fork lift or the like. The operating cable 21 may be another member having a structure to be hooked on the receiving portion 20. Box pallet 1
An eyebolt-shaped engaging member 22
To 22 are provided, and a towing line (not shown) such as a wire is hooked on the engaging members 22 to 22 so as to cope with lifting by a crane or the like.

The box pallet 1 of this embodiment is constructed as described above, and is divided into two bottom plates 3A and 3B.
In the closed state, desired waste and the like are put into the box pallet 1 from above and stored.

The case where the stored wastes are taken out of the box pallet 1 will be described. First, a fork such as a forklift was inserted into the metal fittings 6 to 6 and the entire box pallet 1 was lifted by the forklift or the like to be positioned above a predetermined portion, for example, a loading platform of a truck for transporting waste and the like. In this state, when the operating member 19 is tilted clockwise in the drawing against the urging force of a spring (not shown) by the operator, the operating rod 16 is moved in accordance with the tilting so that the oblique guide long grooves 15, 15 of the support brackets 14, 14 are provided. From the lowest position of the oblique guide slot 1
It is moved diagonally upward (in the direction of retreating from the side plate 2A) along the upper and lower grooves 5, 15 and is positioned at the uppermost position of the oblique guide long grooves 15, 15.

The operating rod 16 is provided with a slanted guide long groove 15,
According to the uppermost position of the operation arm 8
And the end of the operating arm 8 is automatically disengaged to allow the operating arm 8 to tilt downward. Then, the operating arm 8 is tilted downward (tilted downward along the side plate C) by its own weight, and accordingly, the support ring 12 to which the connecting cables 11, 11 are attached moves inside the guide elongated groove 9 of the adjusting member 13 respectively. While moving over the saw-toothed portion, the arm 8 is moved to a position farthest from the tilt bearing portion (the boss portion 8a) of the operation arm 8, and the connecting cable 11, 11 itself is located between the joint portions with the respective bottom plates 3A, 3B. The bottom plates 3A and 3B are allowed to be opened by loosening. Note that the support ring 12 is
By engaging with the saw-shaped portions of the adjustment member 13 in the inside, the movement of the support ring 12 can be eased, and the downward tilt state of the operation arm 8 can be adjusted stepwise. In this case, it is desirable to provide a means for temporarily holding the operation arm 8 in order to maintain the state. Further, after the locking state between the operating rod 16 and the operating arm 8 is released, when the tilting power to the operating member 19 is released, the operating member 19 reverses the biasing force of the spring (not shown). The operating rod 16 is automatically tilted clockwise to return to the original state, and the operating rod 16 is also returned to the lowermost position of the oblique guide long grooves 15 by its own weight.

However, the bottom plates 3A and 3B are made to have different thicknesses depending on their own weight and the weight of the stored waste.
B is opened (opened double-sided) in both directions about the rotation means such as a hinge with respect to B to open the bottom of the box pallet 1 itself. It is for taking out things.

In this case, when the bottom plates 3A, 3B are in the open state and the opening operation is performed vigorously, the shock to the side plates 2A, 2B can be buffered by a buffer member made of rubber or the like. In the case where the lifting height of 1 itself is insufficient and it comes into contact with, for example, a truck bed or the like, the shock can be buffered by the guide members 5, 5 attached to the support rods 4A, 4B and also serving as buffers. It is.

Next, in a state where the removal of the wastes and the like stored in the box pallet 1 has been completed as described above, the operating cable 21 is lifted up by being hooked on another lifting means. Is positively tilted upward (tilted upward along the side plate C), and the supporting ring 12 to which the connecting cables 11 are attached is accordingly
Is moved toward the vicinity of the tilt bearing portion (boss portion 8a) of the operating arm 8 while climbing over each saw blade portion of the adjusting member 13, and the connecting cables 11, 11 themselves are respectively connected to the respective bottom plates 3
The tensioned state is maintained between the coupling portions with the base plates 3A and 3B, and the bottom plates 3A and 3B are pulled up to the respective closed states (close rotation).

Then, the above operation is continued, and the end of the operation arm 8 is moved by the guide arc surface 8c to the operation rod 16 located at the lowest position of the oblique guide slots 15, 15. 15 to move the operating rod 16 obliquely upward to avoid the operating rod 16,
Is returned to the lowermost position of the oblique guide long grooves 15, 15 to automatically mount and lock the end of the operation arm 8, thereby maintaining the operation arm 8 in the upwardly inclined state. 2
Each of the divided bottom plates 3A and 3B is lifted up (closed and rotated) to the closed state as described above to be completely closed, and closes the bottom of the box pallet 1 itself. Thereafter, the box pallet 1 is returned to the original predetermined place, and a fork such as a forklift is received to receive the metal fittings 6 to 6.
6.

In this embodiment, an operating arm 8 for controlling the opening and closing of the bottom plates 3A and 3B depending on the engagement and disengagement of the operation rod 16 with the rotation of the operation member 19, and the bottom plate 3A , 3B are connected by a connecting cable 11 such as a chain, so that the opening and closing operation of the bottom plates 3A, 3B can be positively performed by tilting the operating arm 8 downward and upward. In this embodiment, the case where the fork such as a forklift is inserted into the metal fittings 6 to 6 and the entire box pallet 1 is lifted by the forklift or the like has been described. By hooking a tow line (not shown) such as a wire to the eyebolt-shaped engaging members 22 to 22 provided at the four corners, it is possible to cope with lifting by a fork such as a forklift or a crane. When the operation member 19 is lifted, a tension cable (not shown) such as a rope or a wire for remote operation may be provided on the operation member 19, and the operation member 19 may be tilted by the pulling operation of the tension cable. Lifting of the box pallet 1 and opening and closing of the bottom plates 3A and 3B can be performed by remote control. And in which it is possible to further increase the labor saving.

Next, a second embodiment of the present invention will be described. In the present embodiment, as shown in FIGS.
The linking means between the operating arm 8 and the bottom plates 3A, 3B is replaced by an operating link means instead of the connecting cable 11 in the first embodiment, and the opening and closing operation of the two divided bottom plates 3A, 3B is performed by an operator. This is a case in which automatic operation means for performing automatically other than manual operation is provided, and the same components and members as those in the first embodiment are denoted by the same reference numerals in the drawings, and Description is omitted. That is, below the substantially central portion of the side plates 2C, 2D on the side orthogonal to the divided edges of the bottom plates 3A, 3B, the operating arms 8, 8 are supported by the bearings 8a so as to be able to tilt vertically along the side plates 2C, 2D. Have been. In the upwardly inclined state, the arm portion 8b of the operating arm 8 has one end extending so as to slightly protrude from the edge of the side plate 2C, and a desired guide arc surface 8c is formed so as to bulge. In the vicinity, two operating links 30, 30 constituting linking members having different lengths are connected to the same side plate 2 by the same pivot pin 31.
It is inclined so as to be vertically tiltable along C and 2D. The lower ends of the two operating links 30, 30 are respectively connected to the divided side portions of the two divided bottom plates 3A, 3B via brackets 32, 32 to support pivot pins 33, 33.
Is pivoted to allow tilting.

Support brackets 14 and 14 are provided obliquely on both sides of the upper side of the one side plate 2A, and oblique guide long grooves 15 and 15 are formed in both support brackets 14 and 14 respectively. . And the support brackets 14, 1
A long operating rod 16 is laid across the slanting guide slots 15, 15. Both ends of the operating rod 16 are opposed to the slanting guide slots 15, 15.
5 and 15, the movable arm 8 is movably inserted in a direction of retreating from the side plate 2A, that is, on a tilting locus at an end of the operating arm 8 and in a direction deviating from the tilting locus. ing.

A substantially triangular mounting plate 35 is provided on both sides of the upper side of one side plate 2A orthogonal to the side plate 2C at predetermined intervals via mounting brackets 34, 34. The corner of the turning pin 36,
The mounting plates 35, 35 are rotatably supported at 36.
A substantially U-shaped engaging groove 35a, 35a, through which the operating rod 16 is inserted, is formed in a lower corner portion of the upper surface of the lower case. At the other corner of the upper part of the mounting plates 35, 35, a mounting rod 37 is suspended.
A gate-shaped operation member 38 constituting the operation means is mounted obliquely with its upper end slightly protruding from the upper surface of the box pallet 1.

The operating rod 16 pivots the operating member 38 toward the side plate 2A, thereby causing the mounting plate 3 to move.
Since the rotation pins 5 and 35 are rotated around the rotation pins 36 and 36, both ends of the rotation grooves 35 a and 35 a are inserted into the engagement grooves 35 a and 35 a along the oblique guide long grooves 15 and 15. The direction of evacuation from the side plate 2A, that is, the operation arm 8
By moving the operating member 38 by its own weight in the direction of retreating from the side plate 2A side, the mounting plates 35, 35 pivot about the pivot pins 36, 36. With this rotation, both ends of the operation arm 8 move in the direction toward the side plate 2A along the oblique guide long grooves 15, 15, that is, on the inclination locus at the end of the operation arm 8. In the state where both ends protrude from the side ends of the side plate 2A and are located at the lowest position of the oblique guide long grooves 15, 15, the end of the operating arm 8 is moved. On the tilting locus, the same end is mounted and locked to hold the operating arm 8 in the upwardly inclined state, and at the same time, diagonally upward along the oblique guide long grooves 15 (the direction of retreating from the side plate 2A). ) Moved to the oblique guide slot The upper and lower ends of the operating arms 8 are disengaged from the tilting locus of the end of the operating arm 8 and the upwardly locked state with the end is released to allow the operating arm 8 to tilt downward. It is configured.

At the lower corners of the box pallet 1, first fork insertion openings 39, 39 having a hollow, substantially triangular cross section into which forks such as fork lifts are inserted are provided at predetermined intervals. Side plates 2A, 2B orthogonal to
And the first fork insertion slot 3
The second fork insertion ports 40, 40 are also arranged at substantially the same intervals at substantially the upper portions of the forks 9, 39, and a fork such as a forklift is inserted into the fork insertion ports 39, 39, 40, 40 to form a box. Lifting the whole pallet 1,
Or drop it off.

Further, the two divided bottom plates 2A and 2B
Sledge-shaped legs 41 to 41 each having a predetermined height are vertically provided on both side edges of the lower surface of the vehicle, and one rotatable guide wheel 42 is mounted on the lower surface of one bottom plate 2A. . The guide wheels 42 are set so that the installation site on the outer periphery is located at the same or slightly inside the lower surface of the legs 41.

Next, a description will be given of the structure of the automatic operation means constituting the second operation means for automatically opening and closing the two divided bottom plates 3A and 3B. The two side plates 2
Tilt levers 42, 42 are vertically arranged along one side edge of C, 2D, and the substantially central portions of the tilt levers 43, 43 can be tilted with respect to the side plates 2C, 2D via support pins 44. , The upper end of which faces substantially the upper part of the box pallet 1 and the lower end of which faces the lower part of the box pallet 1, that is, below the first fork insertion ports 39, 39, and the other side plate is provided between the lower parts. The contact plate 45 located along 2B is connected horizontally. The two side plates 2
Connection arms 46, 46 are disposed in a horizontal direction substantially along the side plates 2C, 2D substantially above C, 2D, and one ends of the connection arms 46, 46 are provided at upper end portions of the tilt levers 42, 42. On the other hand, it is rotatably supported by support pins 47, 47, and the other end is connected to the operation member 38 side.
That is, connecting rods 48, 48 project from both sides of the operation member 38 toward the side plates 2C, 2D, respectively, and the other ends of the connecting arms 46, 46 are connected and fixed to the connecting rods 48, 48, respectively. The connecting rod 48,
Numeral 48 is reinforced by a reinforcing member extending from the upper part of the mounting plates 35, 35.

When the automatic operation means pushes the contact plate 45 of the tilt levers 43 toward the side plate 2B,
The tilt levers 43, 43 are rotated clockwise in the figure around the support pins 44, 44, and their upper ends are rotationally displaced toward the side end surfaces of the side plate 2C. This allows the connecting arm 46,
46 is linearly translated while being pulled to the right in the drawing, and the operating member 38 integrally connected thereto via the connecting rods 48, 48 is turned to the side plate 2A side, in the same manner as described above. The operation rod 16 and the end of the operation arm 8 are disengaged from the overlying locked state to allow the operation arm 8 to tilt downward.

The parallel movement of the connecting arms 46, 46 is guided by guide members 49, 49 having a substantially U-shaped cross section, whose substantially central portions and substantially other end portions are fixed to the side plates 2C, 2D. The guide member 49 located at the center has an engaging hole 50 penetrating therethrough.
6 shows a state before being pulled in the right direction in the figure and being translated in a straight line (a state before the operating member 38 is turned to the side plate 2A side, that is, a closed state of the divided bottom plates 3A and 3B. The locking hole 51 opposing the locking hole 50 at the position
A stopper pin 52 which can be removed is inserted through the locking hole 50 of the guide member 49 and the locking hole 51 of the connecting arm 46 over the locking holes 50, 51. The guide member 49 is suspended by a connecting cable 53 such as a chain. Then, the stopper pin 5
2 is inserted through the locking hole 50 of the guide member 49 and the locking hole 51 of the connecting arm 46,
Of the locking hole 5 is prevented.
In a state in which the connecting arm 46 is removed from the position 0, 51, the connecting arm 46 is allowed to move in a straight line in the right direction in the drawing, that is, the safety means of the automatic operation means and the accidental rotation of the operation member 19 are prevented. It functions as a safety measure.
The remaining configuration is the same as that of the first embodiment.

This embodiment is configured as described above, and its operation will be described below. In this embodiment, first, the stopper pin 52 inserted through the locking hole 50 of the guide member 49 and the locking hole 51 of the connecting arm 46 is removed from the locking holes 50 and 51, and the forklift is lifted. First fork insertion opening 3 which is located substantially below metal fittings 6-6 or box pallet 1 for receiving a fork such as
9, 39 or inserted into the second fork insertion openings 40, 40, and the entire box pallet 1 is lifted by the fork lift or the like to be positioned above a predetermined portion, for example, a loading bed of a truck for transporting waste and the like. .

Then, the operation member 38 is turned to the side plate 2A side by the operator, or the operation member 38 is turned to the side plate 2A side by automatic operation means. In order to rotate the operation member 38 toward the side plate 2A by the automatic operation means, as described above, the entire box pallet 1 is positioned slightly below the upper portion of the side plate (not shown) of the truck, and is pulled toward the side plate of the truck. When the abutment plate 45 of the tilting levers 43, 43 constituting the automatic operation means is brought into contact with the side plate of the truck and pushed toward the side plate 2B of the box pallet 1, the tilting levers 43, 43 center on the support pins 44, 44. Is rotated clockwise in the figure, and the upper end thereof is rotationally displaced toward the side end surface of the side plate 2C. As a result, the connecting arms 46, 46
Guide members 49, 49 are
Is translated in a straight line along the connecting rod 4
The operation member 38 integrally connected via the 8, 48 is rotated toward the side plate 2A.

As described above, the operating member 38 is connected to the side plate 2A.
When it is turned to the side, the mounting plates 35, 35
Since the rotation is made about the fulcrums 6, 36, the operating rod 16 inserted into the engagement grooves 35a, 35a is moved from the lowest position of the oblique guide long grooves 15, 15 of the support brackets 14, 14 with this rotation. It is moved obliquely upward (in the direction of retreating from the side plate 2A) along the oblique guide long grooves 15, that is, in a direction deviating from the inclination locus of the end of the operation arm 8, and the uppermost position of the oblique guide long grooves 15, 15 Is located.

The operating rod 16 is provided with the oblique guide long groove 15,
According to the uppermost position of the operation arm 8
And the end of the operating arm 8 is automatically disengaged to allow the operating arm 8 to tilt downward. Then, the operating arm 8 tilts down due to its own weight or the like (tilts downward along the side plate C).
Tilted (tilted in the counterclockwise direction in the figure), and in conjunction with this, the operating links 30, 30 are sequentially operated to be displaced downward, thereby positively opening the bottom plates 3A, 3B, respectively. It is. Thus, the bottom plates 3A, 3B are actuated by the actuating links 30, 30 in a bilateral manner with respect to the side plates 2A, 2B about the pivot means such as hinges with respect to the side plates 2A, 2B due to their own weight and the weight of the stored waste. The box pallet 1 is opened to open the bottom of the box pallet 1 itself, thereby removing the waste and the like stored in the box pallet 1.

Next, in the state where the removal of the wastes and the like stored in the box pallet 1 is completed as described above, the sled-shaped legs 41 of the bottom plates 3A and 3B are kept in contact with the installation surface. When the entire box pallet 1 is lowered in this state, the bottom plates 3A, 3B
The sled-shaped legs 41 are positively rotated in the closing direction while maintaining the state of contact with the installation surface, and the bottom surface of the box pallet 1 is closed. In this case, the guide wheels 42 provided on one of the bottom plates 3A promote that the rotation of the bottom plate 3A (3B) is performed smoothly (smoothly).

When the bottom plates 3A, 3B are positively turned in the closing direction, the operating links 30, 30 are displaced upward, and the operating arm 8 is turned clockwise in the drawing. As a result, the end of the operating arm 8 moves the operating rod 16 located at the lowest position of the oblique guide slots 15, 15 obliquely upward along the oblique guide slots 15, 15 by the guide arc surface 8c. The operating rod 16 is pushed up to avoid the operating rod 16, and the operating rod 16 is returned to the lowermost position of the oblique guide long grooves 15, 15, and the end of the operating arm 8 is automatically mounted and locked. The operation arm 8 is kept in the upwardly inclined state. Each of the bottom plates 3A and 3B divided into two parts in time with this operation
Is completely closed, and closes the bottom of the box pallet 1 itself. After a while, box pallet 1
It returns itself to a predetermined place, and receives a fork such as a forklift, and separates from the metal fittings 6 to 6, 39, and 39.

The present embodiment is constructed as described above, and its tilting levers 43, 43, abutment plate 45,
The operation member 38 is automatically rotated by automatic operation means including the connection arms 46, 46, the connection rods 48, 48 and the like even in a case other than the manual rotation operation, and the bottom plate 3A, 3B of the box pallet 1 divided into two parts. And an operating arm 8 for controlling opening and closing of the bottom plates 3A and 3B according to the engagement and disengagement of the bottom plate 3A, 3B with the operation rod 16 accompanying the turning operation of the operation member 8, and the bottom plate. By connecting the 3A and 3B with the operating links 30 and 30, the opening and closing operations of the bottom plates 3A and 3B and the engaging operation of the operating arm 8 and the operating rod 16 can be reliably performed.

[0035]

As described above, according to the present invention, when the box pallet is lifted by a forklift or the like, the operating rod is displaced in a direction deviating from the tilt locus of the operating arm, and the operating arm is displaced. By releasing the engagement, the open state of the bottom plate can be permitted by the operating arm and the connecting means connected thereto, and the bottom plate can be positively opened. Therefore, the waste and the like stored in the box pallet can be easily taken out to another site. In addition, since the linking means is constituted by the operation link means, the opening / closing operation of the bottom plate and the engagement operation between the operation rod 16 of the operation member 8 and the operation arm for maintaining the closed state of the bottom plate are reliably performed. be able to. Further, by forming the connecting means by connecting cable means such as a chain, the opening and closing operation of the bottom plate can be positively performed by the downward and upward tilting operation of the operating arm 8. Further, by configuring the operating arm to be engaged with the operating rod in an upwardly inclined state, a force acting on an engagement portion between the operating arm and the operating rod in a closed state of the bottom plate, for example, in a box pallet. It is possible to prevent the weight of the waste and the like stored in the first arm from acting as it is, and to smoothly engage and disengage the operation arm and the operation rod. The first operating means for manually displacing the operating rod with respect to the operating rod is provided, and the second operating means for displacing the operating rod with another power is provided. Accordingly, it is possible to automate the displacement operation of the operating rod for opening the bottom plate, and it is possible to greatly improve the safety of this type of work.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a perspective view of FIG.

FIG. 3 is also a front view.

FIG. 4 is also a plan view.

FIG. 5 is a front view showing a second embodiment of the present invention.

FIG. 6 is also a side view.

FIG. 7 is also a plan view.

FIGS. 8A and 8B are enlarged cross-sectional views showing the relationship between a mounting plate, an operating rod, and first operating means.

FIG. 9 is a partially omitted perspective view showing the second operation means.

[Explanation of symbols]

 Reference Signs List 1 box pallet 2A side plate 2B side plate 2C side plate 2D side plate 3A bottom plate 3B bottom plate 8 operation arm 11 connection cable 16 operation rod 19 operation member 30 operation link 38 operation member 43 tilting lever 45 this plate 46 connection arm 48 connection rod

Claims (5)

[Claims] 1. A box pallet having an upper part opened and four sides and a bottom part surrounded by a side plate and a bottom plate, and the bottom plate is divided into two parts and assembled so as to be openable and closable, and tilted vertically with respect to the side plate. An operating arm that is supported as possible, and a connecting member that connects the operating arm and the two-divided bottom plate so as to allow each of the bottom plates to open and close;
An actuating rod that is horizontally traversed so as to be displaceable in a direction deviating from the inclination locus on the inclination locus of the operation arm and is detachable from the operation arm, wherein the operation rod is engaged with the operation arm. Wherein the closed state of the bottom plate is maintained, and the open state of the bottom plate is allowed in a disengaged state. 2. The communication device according to claim 1, wherein the linking means is constituted by an operating link means which is pivotally connected at one end to a divided bottom plate and at the other end coaxially with the operating arm. The box pallet according to claim 1. 3. The connecting means is constituted by a connecting cable means such as a chain, one end of which is connected to a divided bottom plate and the other end of which is movably mounted within a predetermined range with respect to an operating arm. The box pallet according to claim 1, wherein: 4. The box pallet according to claim 1, wherein the operation arm is engaged with an operation rod in a state where the operation arm is tilted upward. 5. The box pallet according to claim 1, further comprising a first operating means for manually displacing the operating rod with respect to the operating rod, the operating rod being driven by another power. Characterized in that a second operation means for displacing the position is provided.