JPH09315763A - Multi-way reversing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To overturn a hung load without need for meeting the position and angle of the hung load strictly. SOLUTION: This multi-way reversing device 1 reverses the posture of a load 9 suspended by a crane or the like, using a reversing rack 21. The reversing rack 21 is provided with a hopper part 23 which has an upward opened truncated cone opening, and a ring part 25 overhanging inwards from the lower edge of the hopper part 23. The load 9 is provided with a hanging point 7 positioned higher than the gravity of the load, and a reversing rod 13 overhanging to both sides from the load positioned lower than the gravity of the load. By lowering the load after positioning the load 9 roughly on the reversing rack 21, the end of the reversing rod 13 is guided to the hopper 23, so that the reversing rod 13 is placed on the ring part 25. By lowering it further, it is possible to overturn the load 9 with the reversing rod 13 centered.

Description

Detailed Description of the Invention

[0001]

The present invention relates to a reversing device for reversing the attitude of a load suspended by a crane or the like. In particular, it relates to a multi-directional reversing device that can reverse a load without strictly adjusting the position and direction of the load.

[0002]

2. Description of the Related Art The prior art will be described with an example of handling of slips (discharged earth and sand) in a slip pit at a civil engineering construction site. FIG. 4 is a perspective view showing how slips are handled in a conventional slip pit. Debris from a tunnel or a foundation work site is sent into a box-shaped slipro 9 and sent to the ground. Then, they are temporarily stored in the slip pits 41, 43, and 45, which are large holes, and then reloaded into dump trucks by a separate bucket or shovel and transported to a disposal site such as a landfill. The task of reversing the load that is the object of the present invention occurs when the slip 1 in the slipper 9 is dropped into the pit 43.

In the conventional slip pit shown in FIG. 4, three slip pits (pit A41, pit B43, pit C) are provided.
45) is shown. Each pit has a partition A42,
It is partitioned by B44. On the slip pit B43, the Zlitro 9 that is now being inverted is shown. The slipper 9 is a square box with an open top, in which a slip 10 is placed. A suspending rod 7 (a suspending point) is provided on an upper portion of the both side plates 11 of the slipper 9, and a reversing rod 13 is provided on a lower portion thereof so as to project further from the side plate 11. Here, the suspension rod 7
Is short and the reversing rod 13 is long.

[0004] A wire 5 of the hanging tool 3 is attached to the hanging rod 7.
And the slipper 9 is hung from a crane or an electric hoist (not shown) via the hanger 3. Although not shown, a stopper for preventing the wire 5 from coming off the hanging rod 7 is appropriately provided. Here, the width between the ends of both suspension rods 7 and 7 ′ is sufficiently smaller than the width of the slip pit 43.

The reversing rod 13 is connected to the side wall 40 of the pit 43.
It is placed on a horse 61 provided above. A groove 63 is formed in the horse 61, and the reversing rod 13 enters the groove 63. That is, both reversing rods 13, 13
The width between the ends of 'is sufficiently larger than the width of the slip pit 43.

In this state, if the hanging tool 3 is lowered, the slipper 9 will fall around the reversing rod 13 in the direction in which the center of gravity is closer. And as Zuritro 9 turns its top opening down,
The slip 10 inside falls down and enters the slip pit 43. This is the state of handling of the slip in the conventional slip pit of FIG.

[0007]

The work in the conventional slip pit shown in FIG. 4 has a problem that the positioning of the slipper 9 is troublesome. In other words, the reversing rod 13 could not be inserted into the groove 63 of the horse 61 unless the left, right, front and rear positions and rotation direction of the slipper 9 were properly adjusted. At this time, the slipper 9 as a suspended load swings (loads) in response to the swing of the suspending implement 3 and the wire 5, so that the work is more nervous.

[0008] In addition, the crane and hoist
Since the position of the slipper 9 is adjusted while repeatedly winding up, the drive motor and the brake must be jogged frequently, and the noise of the magnet brake is remarkable in the field. Further, when the work is troublesome, the cycle of displacing the face from the face becomes long, which may cause a problem in other work.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a reversing device capable of overturning a suspended load without strictly adjusting the position and angle of the suspended load.

[0010]

In order to solve the above problems, a multi-directional reversing device of the present invention is a device for reversing the posture of a load suspended by a crane or the like using a gantry; A hopper portion having an opening in the shape of a truncated cone, and a ring portion projecting inward from a lower edge of the hopper portion; a load point located above a center of gravity of the load; A reversing rod projecting bilaterally from the load located below the center of gravity of the load;
The width of the reversing rod of the load is smaller than the inner diameter of the bottom of the hopper and larger than (the inner diameter of the bottom of the hopper + the inner diameter of the ring) ÷ 2. The portion of the load excluding the reversing rod including the hanging point can be lowered by placing the reversing rod on the ring portion and lowering the hanging point to reverse the load inside the ring portion inner diameter (in the opening). It is characterized in that it has a shape and dimensions that can be sufficiently accommodated within the inner diameter of the ring portion.

When the suspended load is roughly positioned on the reversing gantry and the load is lowered, the end of the reversing rod is guided by the hopper, and the center of the load is substantially aligned with the center of the hopper. Then, the reversing rod rides on the ring. When the load is further unloaded, the load falls over the reversing rod.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described more specifically.
FIG. 1 is a perspective view showing a multi-directional reversing device (slipro reversing device) according to one embodiment of the present invention. FIG. 2 is a plan view showing the multi-directional inverting device (slipro inverting device) of FIG. FIG. 3 is a side view showing the multi-directional reversing device (slipro reversing device) of FIG. The reversing device 1 includes a slip pit 4
1 above. The reversing device 1 includes a slipper 9 as a load and a reversing gantry 21. Of these, Zuritro 9
Has a configuration similar to that of the conventional slittro 9 shown in FIG.

The reversing mount 21 has a hopper 23 having an opening in the shape of a truncated cone. That is, the hopper 2
The inner surface of No. 3 is a curved surface obtained by cutting a part of the inverted conical outer surface in parallel. A ring 25 protruding inward is connected to a lower edge of the hopper 23. The hopper section 23 and the ring section 25 are usually made of a steel plate welding structure. The outer diameter and the inner diameter of the ring portion 25 are concentric.

The hopper section 23 and the ring section 25 of the reversing gantry 21 are mounted on the left and right chassis 31 so that they can travel in the direction of the traveling rail 35. Wheels 33 and 33 'are provided in front of and behind the chassis 31. Wheel 33
Is on the traveling rail 35. The wheels 33 are driven by a motor with a speed reducer for traveling. The running rail 35 is provided on side walls 40 of the pits 41 and 43. The reversing gantry 21 moves by itself on the pit selected to remove the slip.

The slipper 9 is a square box with an open top, in which a slip 10 is placed. Zuritro 9
On both side plates 11, a hanging rod 7 (hanging point)
However, a reversing rod 13 is provided at a lower portion thereof so as to protrude further from the side plate 11 to the side. Here, the suspension rod 7 is short and the reversing rod 13 is long.

The wire 5 of the hanging member 3 is attached to the hanging rod 7.
And the slipper 9 is hung by a crane or an electric hoist (not shown) via the hanger 3. Here, the width between the ends of both suspension rods 7, 7 'is
The width of the slip pit 41 is sufficiently narrower.

The reversing rod 13 is placed on the ring 25 of the reversing gantry 21. In order to obtain the state shown in the figure, first, the center of the inverted
The hoist is operated to position the hanging tool 3 so that the center of the hoist is at the center. Then, if the hanging tool 3 is lowered, even if the center of the reversing pedestal 21 and the slipper 9 is slightly displaced, the ends of the reversing rods 13 and 13 ′ on both sides of the slipper 9 are guided by the slope of the hopper 23 and descend. By doing so, the center of the slipper 9 is automatically adjusted so as to match the center of the reversing mount 21 (strictness is not required). At this time, the hopper 23
Since the ring 25 and the ring portion 25 are circular, there is no need to adjust the direction (posture, angle in the horizontal plane) of the slipper 9 (the hanging member 3) regardless of the direction.

The width between both ends of the reversing rods 13 and 13 ′ on both sides must be larger than the inner diameter of the ring part 25. In addition, it must be smaller than the inner diameter of the bottom of the hopper 23 (it is not good if the tilt-down 9 is inclined). Further, it must be larger than (the inner diameter of the bottom of the hopper + the inner diameter of the ring) 部 2. If the length is shorter than this dimension, the end of one of the reversing rods 13 is
When it arrives on the ring part 25 along the inner surface of the ring part 25, the end of the other reversing rod 13 'may be further inside from the inner diameter of the ring part 25, and the reversing rod 13'
Is removed from the ring portion 25.

In this state, if the hanging tool 3 is lowered, the slipper 9 falls down around the reversing rod 13 in a direction in which the center of gravity is closer. And as Zuritro 9 turns its top opening down,
The slip 10 inside falls down and enters the slip pit 43. This is the state of handling of the slip in the slip pit of the embodiment of the present invention in FIG.

[0020]

As is apparent from the above description, the multi-directional reversing device of the present invention can be used regardless of whether the position or angle of the load is strictly determined or the load slightly shakes. Can be inverted. For this reason, the work efficiency is improved without the need for the work of reversing the load. In addition, since it is not necessary to repeat inching with the precise positioning of the crane and the hoist, the operating noise of the magnet brake can be reduced, and the wear of the crane and the hoist can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a multi-directional reversing device (slipro reversing device) according to an embodiment of the present invention.

FIG. 2 is a plan view showing the multi-directional inverting device (slipro inverting device) of FIG. 1;

FIG. 3 is a side view showing the multi-directional inverting device (slipro inverting device) of FIG. 1;

FIG. 4 is a perspective view showing how a slip is handled in a conventional slip pit.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Zuritro reversing device 3 Hanging tool 5 Wire 7 Suspension rod (hanging point) 9 Zuritro (load) 11 Side plate 13 Inversion rod 21 Inversion gantry 23 Hopper part 25 Ring part 27 Slip insertion port 31 Undercarriage 33 Wheel 35 Traveling rail 35 Traveling motor 40 Side wall 41 Zlip pit A 42 Partition wall 43 Zlip pit B 44 Partition wall 45 Zlip pit C 61 Horse 63 groove

Claims (2)

[Claims] 1. A device for reversing the posture of a load suspended by a crane or the like using a gantry, wherein the gantry has a hopper portion having an upwardly open frustoconical opening;
A ring part that projects inward from the lower edge of this hopper part,
A load; a hanging point located above the center of gravity of the load; and a reversing rod projecting to both sides from the load located below the center of gravity of the load; Has a width between both ends smaller than the inner diameter of the bottom of the hopper portion and larger than (the inner diameter of the bottom of the hopper portion + the inner diameter of the ring portion) ÷ 2, and includes the hanging point of the load. The portion of the load excluding the reversing rod is such that the reversing rod is placed on the ring portion, the hanging point is lowered, and the load can be lowered while reversing the load into the inner diameter of the ring portion (inside the opening). A multidirectional reversing device having a shape and dimensions enough to fit within the inner diameter of a ring portion. 2. The multi-directional inverting device according to claim 1, wherein the gantry is movable in a lateral direction thereof.