JP3185979U - Sheath fork with product protective cover - Google Patents

Abstract

The present invention provides a sheath fork with a product protective cover that suppresses damage of a product when the product is directly conveyed without using a pallet or the like.
A sheath fork 10 with a product protective cover is used by being attached to a fork claw of a forklift during product transport. A main frame 11 having a rod shape and a rectangular cross-section to be mounted on the fork claw, and fixed to the top surface of the main frame 11 in a state where the front portion protrudes from the main frame 11 and is fixed in a tapered manner. The auxiliary frame 12 has a rod-like shape and a rectangular cross section, and a product protection cover 13 that covers at least the upper surface and both side surfaces of the auxiliary frame 12. The product protection cover 13 includes a hard rubber material 13a that covers the upper surface of the intermediate portion of the auxiliary frame 12, and first and second hard plastic materials 13b that cover both side surfaces of the intermediate portion, respectively.
[Selection] Figure 1

Description

The present invention relates to a sheath fork with a product protective cover that is used by being attached to a fork claw of a forklift when transporting a product.

There is a forklift as one of the equipment for conveying products. When using a forklift, the fork claw is usually inserted into the hole of the pallet on which the product is placed and lifted together with the pallet, or in the case of a product having a hole like a coil, the fork claw is directly attached to the hole of the product. Insert and lift. Moreover, when the length of a fork nail is short with respect to the product to convey, it may use it, attaching a sheath fork to a fork nail. Here, especially when a product is lifted and conveyed directly by a forklift, the product may be damaged by a metal fork claw or a sheath fork.

Therefore, a fork cover for a forklift in which a part of the upper surface member is formed of a cushioning material made of rubber or the like has been proposed (see Patent Document 1). According to the fork cover, the buffer material can prevent direct contact between the product to be conveyed and the fork claws. However, when a fork claw is directly inserted into the hole portion and conveyed with respect to a product having a hole portion such as the above-described coil, the side surface of the fork claw and the hole portion surface of the product can come into contact with each other. Therefore, even the fork cover described in Patent Document 1 does not provide sufficient product protection.

Japanese Utility Model Publication No. 63-88699

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a sheath fork with a product protective cover that suppresses damage or the like of a product when the product is directly conveyed without using a pallet or the like.

The sheath fork with a product protection cover according to the first device that meets the above object is a sheath fork with a product protection cover that is used by being attached to a fork claw of a forklift when transporting a product,
A hollow main frame with a rod-like and rectangular cross-section attached to the fork claw;
An auxiliary frame having a rod-like shape and a rectangular cross-section, which is overlapped and fixed on the upper surface side of the main frame in a state where the tip portion protrudes from the main frame, and the tip portion is tapered and narrowed in plan view;
A product protection cover that covers at least the upper surface and both side surfaces of the intermediate portion of the auxiliary frame,
The product protection cover includes a hard rubber material that covers an upper surface of the intermediate portion of the auxiliary frame, and first and second hard plastic materials that cover both side surfaces of the intermediate portion, respectively.

A sheath fork with a product protective cover according to a second device is the sheath fork with a product protective cover according to the first device, wherein the hard rubber material is plate-shaped and both side portions are chamfered.

A sheath fork with a product protection cover according to a third device is a sheath fork with a product protection cover according to the first and second devices, wherein the first and second hard plastic materials are plate-shaped, and each upper side The sides are chamfered.

A sheath fork with a product protective cover according to a fourth device is a sheath fork with a product protective cover according to the first to third devices, wherein the product protective cover includes a top surface of the front portion of the auxiliary frame and both side surfaces of the front portion. 3rd, 4th, and 5th hard plastic material which covers each.

A sheath fork with a product protective cover according to a fifth device is the sheath fork with a product protective cover according to the fourth device, wherein the third hard plastic material is plate-shaped and both side portions are chamfered. The fourth and fifth hard plastic materials are plate-like, and each upper side portion is chamfered.

The sheath fork with a product protective cover according to a sixth device is the same as the sheath fork with a product protective cover according to the first to fifth devices, but the widths of the overlapping portions of the main frame and the auxiliary frame are equal.

A sheath fork with a product protection cover according to a seventh aspect of the invention is a sheath fork with a product protection cover according to the first to sixth aspects, comprising a fixing jig for fixing to the forklift.

The sheath fork with product protection cover according to the eighth device is the sheath fork with product protection cover according to the first to seventh devices, wherein the pair of sheath forks with product protection cover is used as a pair of fork claws of the forklift. Install and use each.

The sheath fork with a product protective cover according to a ninth device is the sheath fork with a product protective cover according to the first to eighth devices, wherein the hard rubber material is NBR.

A sheath fork with a product protective cover according to a tenth device is a sheath fork with a product protective cover according to the first to ninth devices, wherein the first and second hard plastic materials are under the atmospheric pressure of nylon monomer. It was obtained by polymerization and molding.

In the sheath fork with product protection cover according to the first device, when the product is directly transported without using a pallet or the like, both sides are also product protection covers in addition to the upper surface of the intermediate portion of the auxiliary frame that directly supports the product. Covered. Therefore, even when a product having a hole portion such as a coil is directly inserted into the hole portion and transported, the product can be prevented from coming into direct contact with the side surface of the auxiliary frame, and the product can be damaged. Can be suppressed. In addition, a hard rubber material is used for the top surface where the load is applied. In addition to being effective in suppressing damage to the product, it also has a non-slip effect. Can increase the sex. Furthermore, since the tip of the auxiliary frame is narrowed in a tapered shape, the workability when inserting into the hole portion is also excellent.

The sheath fork with the product protection cover according to the second device is a plate-like and chamfered hard rubber material provided on the upper surface of the auxiliary frame, so when transporting the coil, the side of the product protection cover itself It is possible to reduce the possibility of damage occurring at the portion.

The sheath fork with a product protective cover according to the third device has a plate-like and chamfered first and second hard plastic provided on the side surface of the auxiliary frame. The possibility of damage occurring at the side portion of the protective cover itself can be further reduced.

The sheath fork with product protection cover according to the fourth device covers the upper surface and both side surfaces of the front portion of the auxiliary frame with the product protection covers of the third to fifth hard plastic materials, so that when the fork is inserted and removed, etc. The occurrence of damage to the product due to the contact between the auxiliary frame tip and the product can be suppressed.

In the sheath fork with a product protection cover according to the fifth device, since the product protection cover (third to fifth hard plastic materials) covering the tip is also chamfered, the certainty of product protection is increased.

The sheath fork with a product protective cover according to the sixth device can reduce the occurrence of contact between the main frame and the product and improve the stability of the auxiliary frame by equalizing the width of the main frame and the auxiliary frame. . That is, when the width of the main frame is wider, contact between the main frame and the product tends to occur, and conversely, when the width of the auxiliary frame is wider, the stability of the auxiliary frame decreases. Inconvenience can be solved.

Since the sheath fork with a product protective cover according to the seventh aspect includes a fixing jig that is fixed to the forklift, workability and the like when attached to the forklift can be improved.

Since the sheath fork with a product protection cover according to the eighth device is used as a pair with respect to the pair of fork claws, the protection performance of the product when directly transporting the coil or the like can be further enhanced.

According to the sheath fork with a product protective cover according to the ninth device, NBR is excellent in wear resistance, oil resistance, etc., so that long-term use is possible while maintaining the protection performance of the product to be transported by using NBR. .

Since the sheath fork with a product protective cover according to the tenth device uses nylon having excellent mechanical strength, wear resistance, etc., durability and the like can be improved.

It is a typical perspective view which shows the sheath fork with a product protective cover which concerns on one embodiment of this invention. (A) is a top view which shows the sheath fork with the same product protective cover, (b) is a front view, (c) is AA arrow sectional drawing. It is a schematic diagram which shows the usage pattern of the sheath fork with the same product protective cover.

Next, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in FIGS. 1 and 2 (a) to 2 (c), a sheath fork 10 with a product protective cover according to an embodiment of the present invention includes a main frame 11, an auxiliary frame 12, a product protective cover 13, and a fixing jig. 14 is provided.

The main frame 11 is a part to be attached to the fork claws 21 (see FIG. 3), and a normal sheath fork can be used. The shape of the main frame 11 is a rod shape, and the cross-sectional shape by a plane perpendicular to the longitudinal direction is a rectangular shape. More specifically, it is a flat rectangular shape whose width is longer than height. The main frame 11 has a hollow (cylindrical) structure, and the base end surface side is open so that the fork claws 21 can be inserted. On the other hand, the tip side has a structure in which the thickness is gradually reduced. However, the upper surface of the main frame 11 is a flat surface. The material constituting the main frame 11 is not particularly limited as long as it has sufficient strength, and metals, engineering plastics, and the like can be adopted, but metal is preferable from the viewpoint of strength.

The auxiliary frame 12 is overlapped and fixed on the upper surface side of the main frame 11. The shape of the auxiliary frame 12 is a rod shape, and the cross-sectional shape by a plane perpendicular to the longitudinal direction is a rectangular shape. The auxiliary frame 12 is longer than the main frame 11. The auxiliary frame 12 is overlaid on the upper surface of the main frame 11 with the base end face aligned, and the tip portion (the left side in FIGS. 2A and 2B) protrudes. The width of the protruding portion, which is the protruding portion, is tapered in a tapered manner toward the distal end side in plan view. Further, the overlapping portions of the auxiliary frame 12 and the main frame 11 have the same width. The auxiliary frame 12 has a hollow (tubular) structure. With such a structure, the weight can be reduced. The material which comprises the auxiliary | assistant frame 12 will not be specifically limited if it can have sufficient intensity | strength, A metal, engineering plastics, etc. can be employ | adopted.

The product protection cover 13 is configured to cover substantially the entire upper surface, both side surfaces, and the distal end surface other than the lower surface and the base end surface of the auxiliary frame 12.

The product protective cover 13 includes a hard rubber material 13a, a first hard plastic material 13b, a second hard plastic material 13c, a third hard plastic material 13d, a fourth hard plastic material 13e, and a fifth hard plastic material 13f. The sixth hard plastic material 13g and the seventh hard plastic material 13h. The hard rubber material 13a and the hard plastic materials 13b to 13h are plate-like, and are fixed to each surface of the auxiliary frame 12 by a known means such as a bolt or an adhesive. The thickness of the hard rubber material 13a and the hard plastic materials 13b to 13h is, for example, about 5 mm to 50 mm, and preferably 10 mm or more. Also, each of the hard plastic materials 13b to 13h may be partly or entirely integrated, or all may be separate.

The hard rubber material 13 a covers the upper surface of the intermediate portion of the auxiliary frame 12. The auxiliary frame 12 is distinguished from the front portion, the middle portion, and the base portion along the length direction. Also, the intermediate part is usually the position where the product is placed. Examples of the hard rubber constituting the hard rubber material 13a include those having a hardness HD ≧ 65 (Shore D type) at −20 ° C. and an elongation of 50% or less, and specific rubber materials include NBR (acrylonitrile butadiene). Rubber), ACM, FKM, H-NBR, AEM, and the like. Among these hard rubbers, NBR is preferable from the viewpoint of durability. Both side portions of the hard rubber material 13a (left and right upper corners in a cross-sectional view in a plane perpendicular to the longitudinal direction) are chamfered.

The first hard plastic material 13b and the second hard plastic material 13c cover the intermediate portion and the side surface of the base portion of the auxiliary frame 12, respectively. However, the auxiliary frame 12 is exposed at the base end portion. The hard plastic material may include a plastic having an elastic modulus of 700 MPa or more in a standard state. For example, polypropylene, polyethylene, polyvinyl chloride, polycarbonate, nylon, etc. may be used alone or in combination. As the hard plastic material, nylon obtained by polymerization and molding of a nylon monomer under atmospheric pressure is preferable. Since such nylon is excellent in mechanical strength, wear resistance and the like, durability and the like can be enhanced by using such a material. The upper side portions (upper and outer corners in the cross-sectional view in the plane perpendicular to the longitudinal direction) of the hard plastic materials 13b and 13c are chamfered.

The third hard plastic material 13 d covers the upper surface of the tip of the auxiliary frame 12. Each side edge and tip edge of the third hard plastic material 13d are chamfered.

The fourth hard plastic material 13e and the fifth hard plastic material 13f cover the side surfaces of the front portion of the auxiliary frame 12, respectively. The upper side portions of the hard plastic materials 13e and 13f are chamfered.

The sixth hard plastic material 13 g covers the tip surface of the auxiliary frame 12. The seventh hard plastic material 13 h covers the upper surface of the base portion of the auxiliary frame 12.

The fixing jig 14 is provided so as to extend in the base direction from each side surface of the base end portion of the main frame 11, and is passed through a pair of metal plate members 14a having a through hole 14b on the base end side, and the through hole 14b. It is comprised from the volt | bolt and the nut (not shown). As shown in FIG. 3, the base end surface side of the main frame 11 is inserted and attached to the horizontal portion 22 of the L-shaped fork claw 21. At this time, the sheath fork 10 with the product protection cover can be fixed to the fork claw 21 by passing a bolt and a nut (not shown) through the base of the lower end of the vertical portion 23 of the fork claw 21 and stopping.

Next, a method for using the sheath fork 10 with the product protective cover will be described. As shown in FIG. 3, the sheath fork 10 with a product protective cover is used by being attached to a fork claw 21 of a forklift 20 when a product (coil X or the like) is conveyed. Usually, two sheath forks 10 with product protection covers are prepared and attached to the two fork claws 21 of the forklift 20 respectively. Specifically, the base end surface side of the main frame 11 is inserted into the horizontal portion 22 of the L-shaped fork claw 21, and the sheath fork 10 with product protection cover is fixed by the fixing jig 14.

When the coil X is conveyed by the forklift 20 to which the sheath fork 10 with product protection cover is attached, the sheath fork 10 with product protection cover is inserted into the hole portion of the coil X and the coil X is placed on the intermediate portion of the auxiliary frame 12. Use it like this. The sheath fork 10 with the product protective cover is provided with the product protective cover 13 also on the side surface of the auxiliary frame 12, so that the inner side surface of the coil X can be prevented from being in direct contact with the upper surface and the side surface of the auxiliary frame 12, resulting in damage. Etc. can be suppressed. In particular, since the hard frame 13a is used on the upper surface of the auxiliary frame 12 to which a load is applied, the auxiliary frame 12 is effective in suppressing damage to the product (coil X) and has an anti-slip effect. Since the hard plastic material 13b or the like is used for the side surface, durability can be enhanced.

The present invention is not limited to the above-described embodiment, and the configuration thereof can be changed without changing the gist of the present invention. For example, as long as the product protection cover covers the upper surface and both side surfaces of the intermediate portion, the front portion and the base portion may not be covered. The product protective cover may have a structure in which, for example, a rubber material, a plastic material, or the like is laminated by coating or the like in addition to the structure in which the plate material is attached.

The sheath fork with a product protective cover according to the present invention can be suitably used when a product, particularly a product having a hole portion such as a coil, is conveyed by a forklift.

10: sheath fork with product protective cover, 11: main frame, 12: auxiliary frame, 13: product protective cover, 13a: hard rubber material, 13b-13h: hard plastic material, 14: fixing jig, 14a: metal plate material, 14b : Through hole, 20: Forklift, 21: Fork claw, 22: Horizontal part, 23: Vertical part, X: Coil

Claims (10)

A sheath fork with a product protection cover that is used by being attached to the fork claw of a forklift when transporting the product,
A hollow main frame with a rod-like and rectangular cross-section attached to the fork claw;
An auxiliary frame having a rod-like shape and a rectangular cross-section, which is overlapped and fixed on the upper surface side of the main frame in a state where the tip portion protrudes from the main frame, and the tip portion is tapered and narrowed in plan view;
A product protection cover that covers at least the upper surface and both side surfaces of the intermediate portion of the auxiliary frame,
The product protective cover includes a hard rubber material that covers the upper surface of the intermediate portion of the auxiliary frame, and first and second hard plastic materials that respectively cover both side surfaces of the intermediate portion. fork. The sheath fork with a product protective cover according to claim 1, wherein the hard rubber material is plate-shaped and both side portions are chamfered. The sheath fork with a product protection cover according to claim 1 or 2, wherein the first and second hard plastic materials are plate-shaped and each upper side portion is chamfered. Sheath fork. The sheath fork with a product protective cover according to any one of claims 1 to 3, wherein the product protective cover includes third, fourth, and fourth covers covering the top surface of the auxiliary frame and both side surfaces of the front frame, respectively. 5. A sheath fork with a product protective cover, further comprising 5 hard plastic materials. 5. The fork with a product protective cover according to claim 4, wherein the third hard plastic material is plate-shaped, and both side portions are chamfered, and the fourth and fifth hard plastic materials are plate-shaped. A sheath fork with a product protective cover, wherein each upper side portion is chamfered. The sheath fork with a product protection cover according to any one of claims 1 to 5, wherein widths of overlapping portions of the main frame and the auxiliary frame are equal. The fork with a product protective cover according to any one of claims 1 to 6, further comprising a fixing jig that is fixed to the forklift. The fork with a product protective cover according to any one of claims 1 to 7, wherein the pair of sheath forks with the product protective cover are attached to a pair of fork claws of the forklift, respectively. Sheath fork with protective cover. The fork with a product protection cover according to any one of claims 1 to 8, wherein the hard rubber material is NBR. The fork with a product protective cover according to any one of claims 1 to 9, wherein the first and second hard plastic materials are obtained by polymerization and molding of nylon monomer under atmospheric pressure. A fork with a product protective cover.

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