JPH0615988Y2 - Forklift cargo handling equipment - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forklift clamp device for laterally gripping a load.

BACKGROUND ART A conventional general forklift truck is shown in FIG. Conventionally,
For example, in order to carry a wire or a pipe 30b, the wire is wound around a cylindrical coil drum 30 and carried. However, when carrying a load having such a shape by a forklift, it is provided at both ends of the coil drum 30. A fork was inserted into a gap between the wires 30b supported by a pair of disk-shaped members provided and the ground, and lifted and transported.

Problems to be Solved by the Invention In such a transportation method, the gap between the wires 30b and the ground is the wires 30 wound around the coil drum 30.
The gap varies depending on the amount of b, and particularly when the wires are wound to a degree close to the diameter of the coil drum 30, the gap becomes narrow, and when the fork is inserted, the winding is performed at the tip of the fork. There is a problem in that the wires 30b that have been cut are brought into contact with and damaged. Further, even when the cargo is transported, the coil drum 30 is supported by the fork 50 tilted by the tilt operation and the backrest 51 that directs the fork. There is a problem that the coil drum 30 rolls like a fork and falls.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a cargo handling device that does not damage a coil drum or the like and can safely perform work without rolling or dropping during cargo handling and transportation.

Means for Solving the Problems The present invention has been made paying attention to the fact that the coil drum has a hanging hole on the side of the above problems. The gist of the present invention is to have a pair of forks and a protruding member that is provided on the pair of forks and that projects between the forks and faces each other.

Such a fork can be moved in the left-right direction by, for example, a hydraulic cylinder, and the protruding member provided on the cylinder can be detachably provided on the fork.

Therefore, in the cargo handling device for a forklift according to the present invention, both ends of the coil drum are positioned between the forks when the forks are moved in the left-right direction so that the forks are spread to carry and transport the coil drums. To move the forklift. Then, the projecting member provided on the fork is positioned by a lifting operation so as to be positioned on the hanging hole at the center of both end faces of the coil drum, and the fork is clamped from both end faces of the coil drum. By moving, the projecting member is inserted into the hanging hole, and the cargo can be handled. As described above, since the protruding member supports the hanging hole at the center of the coil drum, the wound wire or the like is not damaged, and is not tumbled or dropped due to an impact during cargo handling and transportation.

Embodiment Hereinafter, an embodiment embodying the present invention will be described with reference to the drawings.

As shown in FIG. 1, a cargo handling device 1 for a forklift is provided with a fork bar 4 that moves up and down along a pair of masts 2. The fork bar 4 has two fork shafts 5 and 6 above and below the fork bar 4. Has been erected. Further, a pair of forks 3 are provided so as to partially penetrate the fork shafts 5 and 6, and a pair of hydraulic cylinders 7 and 8 are provided on the fork bar 4 and one end of each of them is a fork bar. 4 and the other end is fixed to the back surface of the pair of forks 3. As a result, the pair of forks 3 is configured to be able to reciprocate in the left-right direction along the fork shafts 5 and 6 by the expansion and contraction of the hydraulic cylinders 7 and 8. The extension of the cylinders 7 and 8 expands the space between the forks. Conversely, when the cylinders 7 and 8 contract, the forks move so as to narrow.

As shown in FIG. 2, a square tubular sheath fork 10 is provided at a horizontally extending portion of the fork 3 so that the fork 3 is inserted into the sheath fork.
The fork inlet / outlet portion of the sheath fork 10 has a pin hole 10 for holding the fork with the fork being inserted.
b is provided, and the fork 3 is provided inside the sheath fork 10.
After inserting the pin 11, the pin 11 is inserted into the pin hole 10b, and the pin stopper 12 is fixed to the pin 11, so that the pin 11 passes through the back side of the fork 3 and the sheath fork 10 is at the corner of the L-shaped fork 3. It is locked and held. Further, the sheath fork 10 is provided with a support pin 10a, which is a projecting member that protrudes between two forks provided in the forks 3 and faces each other.

Next, the operation of the above configuration will be described below with reference to FIGS.

In order to load and transport the coil drum 30 by the forklift truck with the sheath fork 10 provided, the lift machine base is extended with the cylinders 7 and 8 being wider than the length between both end surfaces of the coil drum 30. The lift base is operated so that the coil drum 30 comes between the forks. Further, the lift operation is performed so that the support pin 10a of the sheath fork 10 comes on the hanging hole 30a formed at the center of the end surface of the coil drum 10. The support pin 10a is inserted into the hanging hole 30a by operating the cylinders 7 and 8 so as to sandwich the forks while the support pin 10a is positioned on the hole 30a, and then the fork 3 is raised. As a result, the coil drum 30 is lifted by the support pin 10a.

In such a state, even if the forklift carries the cargo, and suddenly starts, suddenly stops, or receives an impact such as a step on the machine base, the support pin 10a is hung by the operation between the forks.
Unless it is pulled out from a, it will not roll and fall, improving safety. Also, even when the support pins 10a are in contact with the coil drum even when they are loaded and unloaded, the wound wires 30b are not damaged.

The present invention can also be applied as shown in FIG.

As shown in the figure, the support pin 2 is attached to the fork 3 movably provided in the left-right direction via the sheath fork 20.
0a is provided. In this example, the fork 3 and the sheath fork 20 are engaged with each other by screwing the screw 20b through a screw hole provided on the side surface and pressing the side surface of the fork 3 with the tip of the screw 20b. . According to this example, since the support pin 20a can be moved and fixed to a desired position on the fork 3, it can be freely adjusted according to the size of the coil drum.

Furthermore, in the present invention, it is possible to combine with a swing device as shown in FIG. This is provided with a lift bracket 21 which is vertically moved on the mast 2 by a lift operation, and a fork bar pin 21a for supporting the fork bar 4 is provided at the center of the upper portion of the bracket 21. Corresponding to this, a pin hole 21b is provided at the center of the upper part of the fork bar 4, and the fork bar pin 21a and the pin hole 21b are connected by a screw 21c. One end of a pair of cylinders 22 and 23 is connected to the left and right of the lower portion of the lift bracket 21, and the other ends of the cylinders 22 and 23 are connected to cylinder pin holes 22a and 23a provided at the upper part of the fork bar 4. ing.

With the above configuration, by contracting one of the pair of cylinders 21 and extending the other, the fork bar 4 can swing in the left-right direction about the fork bar pin hole 21a. By combining such a swing device and the support pin of the present invention, for example, the coil drum is placed tilted due to the unevenness of the floor surface, or the left and right support pins are hung on both coil drums due to deformation of the coil drum itself. Since the angle of the fork 3 can be changed when it cannot be inserted into the hole, the coil drum can be used in any state, and the cargo handling work can be performed very easily.

In addition, the present invention may be formed integrally with the fork and the support pin without being removable, and the present invention may be applied within the scope of the present invention.

Effect of the Invention As described in detail above, according to the present invention, the fork movable in the left-right direction is provided with the projecting members projecting in the fork-to-fork direction so as to oppose each other. In addition, the cargo can be reliably transported.
Further, since it is supported by the coil drum instead of being picked up and carried from the lower side like a conventional fork, it is possible to carry a wound wire without damaging it.

[Brief description of drawings]

FIG. 1 is a perspective view of a main portion of a forklift cargo handling device showing an embodiment embodying the present invention, FIG. 2 is a perspective view of a fork portion, and FIG. 3 is a side view of a forklift showing its action.
FIG. 5 is a view showing another example of the present invention, and FIG. 5 is a perspective view showing a conventional technique. 1 ... cargo handling device, 3 ... fork, 4 ... fork bar, 7 ...
8.22.23 ... Cylinder, 10.20 ... Sayafork, 10a.20a ... Support pin, 30 ... Coil drum.

Claims (1)

[Scope of utility model registration request] 1. A pair of forks mounted so as to be movable in the left-right direction by a cargo handling device of a forklift, and projecting members provided on the pair of forks and projecting in the direction between the forks to oppose each other. Forklift cargo handling equipment.