JP7016487B2 - Attachment for fork - Google Patents

Description

The present invention relates to attachments for forks.
More specifically, the present invention relates to a fork attachment attached to a fork for fixing a transported object, particularly a vertically long heavy object, to a fork such as a forklift, and a fixing device provided with the attachment.

Various types of attachments can be attached to a transport vehicle or a transport trolley equipped with a fork such as a forklift, depending on the form of luggage and the work content.

An example of an attachment for a fork is disclosed in Patent Documents 1 and 2.

For example, in Japanese Patent Application Laid-Open No. 2014-061990 (Patent Document 1), it is possible to prevent a long object from swinging up, down, left and right during the loading operation into a container, and this long object can be efficiently and efficiently used. An attachment for a forklift that can be safely carried into a container has been proposed.

This forklift attachment includes a bottom plate (10) on which a plurality of long objects (M) to be transported are placed in parallel.
The back plate (20) with which the rear end of the long object (M) abuts,
A side plate (30) provided upright from the left and right ends of the bottom plate (10), and a side plate (30).
A holding member (40) provided across the left and right side plates (30, 30) on the side closer to the back plate (20) than the tip of the bottom plate (10).
It is equipped with.

Further, in Japanese Patent Application Laid-Open No. 2014-061990 (Patent Document 2), there is a forklift load collapse prevention device that can transport objects that are easily collapsed by a forklift without directly fixing the transported items. Proposed.

This load collapse prevention device is attached to a forklift equipped with a load receiving portion on the vehicle body, which is configured so that a fork extended forward moves up and down by a mast.
A columnar removable fixed column attached to the base of a pair of fork claws,
A columnar removable holding column attached to the tip of the fork claw,
It consists of a beam plate for maintaining the distance between the fixed column and the holding column.
The fixed pillar and the holding pillar have a box-shaped claw mounting part, and the transported object is carried without being fixed.

Japanese Unexamined Patent Publication No. 2016-216150 (Claims, FIGS. 3 and 7) Japanese Unexamined Patent Publication No. 2014-061990 (Claims, FIGS. 1 and 2)

However, a vertically long large heavy object has a height of 200 cm or more and a weight of 200 kg or more, and is very heavy, and its center of gravity is different for each heavy object. There was a risk of it collapsing and tipping over, and the transportation work was extremely dangerous.

The forklift attachment described in Patent Document 1 is suitable for transporting a long object, and the forklift load collapse prevention device described in Patent Document 2 is suitable for transporting a relatively small transported object. All of them are not suitable for transporting vertically long large heavy objects.

In view of the present situation, the present invention has a compact and simple structure, and makes it possible to transport an object to be transported, particularly a vertically long heavy object, in a state of being firmly fixed to a fork of a transport vehicle or a transport trolley. It is intended to provide an attachment for a fork and a fixing device equipped with the attachment.

The invention according to claim 1 of the present invention
A fork attachment that is attached to a fork.
An attachment main body consisting of a rectangular parallelepiped or cube-shaped box with both ends open,
A pair of side surface portions erected upward from the left and right ends of the upper surface of the attachment main body,
It is composed of a support portion erected upward from the front end of the opening of the attachment main body so as to cover the front surface between the pair of side surface portions.
Each of the pair of side surface portions has a through hole formed so as to penetrate in the left-right direction.
It is an attachment for a fork that features.

The invention according to claim 2 of the present invention
In the fork attachment according to claim 1,
The pair of side surface portions
All of them are characterized by being formed of a side-viewing triangular or trapezoidal plate-like body whose upper end is inclined so as to be higher toward the support portion.

The invention according to claim 3 of the present invention
A fork fixing device for fixing an object to be conveyed placed on a pair of left and right forks to the fork.
The fork attachment according to claim 1 or 2 , which is attached to the base end side of each of the pair of left and right forks so that the front surface of the support portion faces the tip end side.
The fork attachment according to claim 1 or 2 , which is attached to the tip end side of each of the pair of left and right forks so that the front surface of the support portion faces the proximal end side.
In a state of being in contact with the upper surface of the object to be transported, one end side is connected to the fork attachment attached to the base end side, while the other end side is connected to the fork attachment attached to the tip end side. Consists of restraint means,
The object to be transported is sandwiched between a pair of fork attachments mounted on the base end side and a pair of fork attachments mounted on the tip end side, and the upper surface thereof is held by the restraining means. It is a fixing device for an object to be transported for a fork, which is fixed so as to be pressed against a fork.

The invention according to claim 4 of the present invention
In the device for fixing an object to be transported for a fork according to claim 3 .
The transported object is
It is characterized by being a vertically long heavy object.

The invention according to claim 5 of the present invention
It is a method of fixing the transported object to the fork.
The support portion of the fork attachment according to claim 1 or 2 mounted on the tip end side of the fork, and the support portion of the fork attachment according to claim 1 or 2 mounted on the proximal end side of the fork. In addition to sandwiching the object to be transported placed on the fork,
One end side is connected to the fork attachment attached to the tip end side of the fork so as to abut on the upper surface of the object to be transported, while the other end side is connected to the fork attachment attached to the base end side of the fork. It is a method of fixing an object to be conveyed, which comprises pressing the upper surface of the object to be conveyed by the restraining means.

The invention according to claim 6 of the present invention
It is a method of fixing the transported object to the fork.
The fork attachment support portion according to claim 1 or 2 mounted on the tip end side of the fork and the base end portion of the fork sandwich the transported object placed on the fork.
One end is connected to the fork attachment so as to abut on the upper surface of the object to be transported, while the other end is pressed by a restraining means connected to the mast of the forklift to press the upper surface of the object to be transported. This is a method for fixing the object to be transported.

The fork attachment according to the present invention is attached to a fork, and has an attachment main body composed of a rectangular parallelepiped or a cube-shaped box-shaped body having both ends open, and stands upward from the left and right ends of the upper surface of the attachment main body. It is composed of a pair of side surface portions to be provided and a support portion erected upward from the front end of the opening of the attachment main body so as to cover the front surface between the pair of side surface portions.
Therefore, it has a compact and simple structure and can be used as an attachment for firmly fixing the object to be transported to the fork.
In the present invention, each of the pair of side surface portions has a through hole formed so as to penetrate in the left-right direction.

In the fork attachment, the pair of side surface portions may be formed of a side-viewing triangular or trapezoidal plate-like body inclined so that the upper end thereof becomes higher toward the support portion.
With such a configuration, the support portion can be supported by the pair of side surface portions and the attachment main body, so that the fork attachment can be applied even when a large heavy object is selected as the object to be transported. Can be done.

The device for fixing the transported object for a fork according to the present invention is for fixing the transported object placed on the pair of left and right forks to the fork, and is the base end of each of the pair of left and right forks. The fork attachment is attached to the side so that the front surface of the support portion faces the tip end side, and the fork attachment is attached to the tip end side of each of the pair of left and right forks so that the front surface of the support portion faces the proximal end side. The fork attachment is connected to the fork attachment mounted on the base end side while one end side is connected to the fork attachment mounted on the base end side while the other end side is mounted on the tip end side in a state of being in contact with the upper surface of the transported object. The object to be transported is sandwiched between a pair of fork attachments attached to the base end side and a pair of fork attachments attached to the tip end side, which are composed of restraint means connected to the attachments. In the state, the upper surface thereof is configured to be fixed so as to be pressed against the fork by the restraining means.
Therefore, according to this fixing device, the transported object is sandwiched between the fork attachment mounted on the base end side and the fork attachment mounted on the tip end side, and the upper surface thereof is the said. Since it is pressed against the fork by the restraining means, it is restrained by the fork so as not to move in the front-back direction and the up-down direction.
Therefore, this fixing device makes it possible to firmly fix the object to be conveyed to the fork and safely perform the transfer.

The device for fixing a transported object for a fork can be applied to fixing various objects to be transported such as a large heavy object to a fork, and particularly can be applied to fixing a vertically long large heavy object. Is.

The method of fixing the transported object of the present invention is to fix the transported object to the fork, and the object to be transported is fixed to the support portion of the fork attachment attached to the tip end side of the fork and to the base end side of the fork. One end side is the tip end side of the fork so that the support portion of the fork attachment or the base end portion of the fork sandwiches the object to be transported placed on the fork and abuts on the upper surface of the object to be transported. While connected to the fork attachment attached to the fork, the other end side presses the upper surface of the object to be conveyed by the fork attachment attached to the base end side of the fork or the restraining means connected to the mast of the forklift. It is configured as.
According to the fixing device having such a configuration, the transported object is sandwiched between the fork attachment attached to the tip end side and the fork attachment attached to the proximal end side or the proximal end portion of the fork. Since the upper surface thereof is pressed against the fork by the restraining means, the upper surface is firmly fixed to the fork so as not to move in the front-rear direction and the up-down direction.

It is explanatory drawing which shows an example of the forklift in the state which the attachment for fork which concerns on this invention is attached to a fork. It is explanatory drawing which shows an example of the method of fixing the conveyed object by the transfer device fixing device for a fork which concerns on this invention. It is a front view which shows the attachment for a fork which concerns on this invention. It is a rear view which shows the attachment for a fork which concerns on this invention. It is an enlarged view of the main part of the attachment for a fork which concerns on this invention. It is explanatory drawing which shows the other example of the forklift in the state which the attachment for fork which concerns on this invention is attached to the fork.

Hereinafter, an example of implementation of a device for fixing a transported object for a fork (hereinafter, referred to as a “fixing device”) and an attachment for a fork (hereinafter, referred to as an “attachment”) constituting the device according to the present invention is attached. It will be explained concretely based on the drawing of.
It should be noted that the present invention is not limited to the disclosed examples, and various improvements can be made without changing the gist thereof.

As shown in FIG. 1, the fixing device 1 according to the present invention fixes the object to be transported 5 to a pair of left and right forks 11a and 11b included in a transport vehicle such as a forklift 10 or a transport carriage.

As shown in FIGS. 1 and 2, the fixing device 1 includes a pair of attachments 2a and 2b attached to the proximal ends of the forks 11a and 11b, and a pair of attachments 2a attached to the proximal ends. , 2b are connected to a pair of attachments 2c and 2d attached to the tip sides of the forks 11a and 11b, and one end side is connected to the attachments 2a and 2b attached to the base end side, while the other end. The side is composed of a pair of restraining means 3a and 3b connected to the attachments 2c and 2d mounted on the tip side.

The attachments 2a, 2b, 2c, and 2d constituting the fixing device 1 all have the same configuration as the attachment 2 shown in FIGS. 3 and 4.

In FIGS. 3 and 4, the attachment 2 includes an attachment main body 21 made of a rectangular parallelepiped or a cube-shaped box-shaped body having both ends open, and a pair of side surface portions extending upward from the left and right both end edges of the upper surface of the attachment main body. It is composed of 212, 213 and a support portion 214 erected above the upper edge of the front end opening 211 of the attachment main body 21 so as to cover the front surface between the pair of side surface portions 212, 213.

The attachment main body 21 is made of a box-shaped body having both ends open, and as shown in FIG. 5, the fork 11a (or 11b) is inserted from any of both ends of the attachment main body 21 with the opening 211 as an insertion port. Is configured to be possible.

In this embodiment, an insertion hole 216 having a required size is formed on the upper surface of the attachment main body 21 so as to communicate with the opening 211.
Therefore, as shown in FIG. 5, by inserting a fixing tool 4 such as a bolt into the insertion hole 216, the fork attachment 2 is inserted into the fork 11a (or 11b) inserted into the opening 211. , The fixing tool 4 inserted through the insertion hole 216 can be used for fixing.

In FIGS. 3 and 4, the side surface portions 212 and 213 are made of a side-viewing triangular or trapezoidal plate-like body having a required thickness inclined so that the upper end thereof becomes higher toward the support portion 214. The support portion 214 is supported by the front end portion thereof.
Therefore, since the fixing strength between the support portion 214 and the attachment main body 21 is extremely high, the support portion 214 can sufficiently withstand the weight even when a heavy object to be transported is supported. be able to.

As shown in FIGS. 3 and 4, each of the side surface portions 212 and 213 is formed with through holes 215 and 215 penetrating in the left-right direction at their predetermined positions.
Therefore, it is possible to connect to the restraining means 3a and 3b by using those formed in at least one of the through holes 215 and 215 of the side surface portions 212 and 213.

The support portion 214 is for supporting the object to be transported 5 on the front surface thereof, and is formed of a rectangular plate-like body having a required thickness and size.

As shown in FIGS. 3 and 4, the support portion 214 has a width sufficient to cover the front surface between the pair of side surface portions 212 and 213, so that the front plate of the pair of side surface portions 212 and 213 can be used. It is configured and supported by the pair of side surface portions 212, 213.
Therefore, the support portion 214 makes it possible to support a heavy object as the object to be transported 5.
The height of the support portion 214 is not particularly limited, but for example, the height from the lower end of the upper edge of the opening 211 to the upper end of the support portion 214 when attached to the attachment main body 21. However, it can be made to be one-fourth or more of the height of the object to be transported.

In this embodiment, the front surface of the support portion 214 is prevented from being displaced in the left-right direction or being damaged when the object to be transported 5 comes into contact with the object to be transported 5. , Rubber and other cushioning members (not shown) are arranged.

In FIGS. 3 and 4, the support portion 214 is provided on the upper edge of the front end opening 211 of the attachment main body 21, but the support portion 214 can support the object to be transported 5 on the front surface thereof. Moreover, as long as both ends of the attachment main body 21 are open, it can be provided at an arbitrary position at the front end of the opening 211 of the attachment main body 21.
Therefore, for example, the support portion 214 is formed with an opening corresponding to the opening portion 211 at the lower portion thereof, and the opening of the support portion 214 is the opening portion of the attachment main body 21 with respect to the front peripheral edge of the opening portion 211. It may be attached so as to overlap with 211.

As shown in FIG. 2, when the attachment 2 having such a configuration is attached to the base end side of the forks 11a and 11b, the front surface of the support portion 214 (the side that comes into contact with the transported object 5) is the fork 11a. , 11b so as to face the tip end side (attachments 2a, 2b) On the other hand, when the forks 11a, 11b are mounted on the tip end side, the front surface of the support portion 214 is on the base end side of the forks 11a, 11b. It is used so that it faces (attachments 2c, 2d).
With such a configuration, the attachments 2a and 2b mounted on the base end side of the forks 11a and 11b and the attachments 2c and 2d mounted on the tip end side of the forks 11a and 11b have front surfaces of mutual support portions. Since they face each other, it is possible to hold and fix the object to be transported 5 so that it does not move in the front-rear direction.

The restraining means 3a and 3b are connected to the attachments 2a and 2b on the base end side at one end while the restraining means 3a and 3b are in contact with the upper surface of the object to be transported 5, while the attachments 2c and 2d on the tip end side are connected to the other end. By pressing the upper surface of the transported object 5 toward the forks 11a and 11b, the transported object 5 is restrained by the forks 11a and 11b, and the transported object 5 moves up and down. It makes it possible to make it immobile in the direction.

As the restraining means, one end side can be connected to the attachments 2a and 2b on the base end side, and the other end side can be connected to the attachments 2c and 2d on the tip end side in a state of being in contact with the upper surface of the object to be conveyed 5. There are no particular restrictions on the number or form of use as long as it is.
As the restraining means, for example, one or two or more belt-shaped or string-shaped ones such as a lashing belt can be used.
Further, the restraining means may be provided with connecting tools such as hooks at both ends thereof.

In this embodiment, the restraining means 3a (or 3b) is composed of a lashing belt, and one end side thereof is a hook and a shackle (not shown) in a state of being in contact with the upper surface of the object to be transported 5. In the through hole 215a (or through hole 215b of the side surface portion 213b) of the outer side surface portion 212a of the attachment 2a (or 2b) attached to the base end side of the fork 11a (or 11b) via the configured locking tool. The other end side penetrates the outer side surface portion 213c of the attachment 2c (or 2d) attached to the tip end side of the fork 11a (or 11b) via a locking tool composed of a hook and a shackle (not shown). Each is connected to the hole 215c (or the through hole 215d of the side surface portion 212d).
Therefore, if the restraining means 3a and 3b are brought into a tense state by using a winding means or the like as necessary, the upper surface of the object to be transported 5 will be pressed toward the forks 11a and 11b. ..

With the fixing device 1 having such a configuration, the transported object 5 is sandwiched between a pair of attachments 2a and 2b mounted on the base end side and a pair of attachments 2c and 2d mounted on the tip end side. Since the upper surface thereof is pressed against the forks 11a and 11b by the restraining means 3a and 3b, the object to be transported 5 is restrained so as not to move in the front-rear direction and the up-down direction, and the forks 11a and 11b are restrained. It is firmly fixed to.

With the fixing device 1 having such a configuration, the transported object 5 can be fixed to the forks 11a and 11b as follows.

As shown in FIG. 2, a pair of left and right forks 11a, 11b of the forklift 10 are inserted into the openings (insertion openings) 211a, 211b of the attachments 2a, 2b from the back side thereof, and the attachments 2a, 2b are inserted into the attachments 2a, 2b. It is attached to the base end side of the forks 11a and 11b so that the front surfaces of the support portions 214a and 214b face the tip ends side of the forks 11a and 11b, and is fixed by the fixture 4.

Then, the object to be transported 5 is placed on the forks 11a and 11b so as to abut on the support portions 214a and 214b of the attachments 2a and 2b.

Further, forks 11a and 11b are inserted into the openings (insertion openings) 211c and 211d of the attachments 2c and 2d from the front (front) side thereof, and the attachments 2c and 2d are attached to the attachments 2a and 2b. And attachments 2c and 2d so that the front surfaces of the support portions 214c and 214d are oriented toward the base ends of the forks 11a and 11b so that they are sandwiched by the attachments 2c and 2d at a predetermined pressure. , Fix with the fixative 4.

With the restraining means 3a and 3b in contact with the upper surface of the object to be transported 5, one end side thereof is a side surface outside the attachments 2a and 2b on the base end side via a locking tool composed of a hook and a shackle. The other end is attached to the through hole 215 of the portion so as to be connected to the through hole 215 of the side surface portion on the outer side of the attachments 2c and 2d on the tip side via a locking tool composed of a hook and a shackle.

Further, the lengths of the restraining means 3a and 3b in the longitudinal direction are adjusted to apply a predetermined tension to the restraining means 3a and 3b.
As a result, the transported object 5 is sandwiched between the attachments 2a and 2b mounted on the base end side and the attachments 2c and 2d mounted on the tip end side, and the upper surface thereof is the restraining means. Since the forks 11a and 11b are pressed by the forks 11a and 3b, they are restrained by the forks 11a and 11b so as not to move in the front-back direction and the up-down direction.
The length may be adjusted by using a known method such as winding by a winding means.

Furthermore, as another embodiment, the transported object may be fixed to the fork by using the fork and mast of the forklift.

In FIG. 6, the fixing device 101 has basically the same configuration as the fixing device 1, but the object to be transported 105 hits the base end portions 111c of the pair of left and right forks 111a and 111b of the forklift 110. It is placed so that it touches.

Forks 102c, 102d having the same configuration as attachment 2 are supported so that the front surface of the support portion faces the base end side of the forks 111a, 111b so as to sandwich the object 105 together with the forks 111a, 111b. 111a and 111b are inserted from the front side of each opening of the attachments 102c and 102d, attached to the tip end side of the forks 111a and 111b, and fixed by the fixture 104.

With the restraining means 103a and 103b in contact with the upper surface of the object to be transported 105, one end of the restraining means 103a and 103b is attached to the mast 111c of the forklift 110 via a locking tool composed of a hook and a shackle, and the other end is attached to the hook. It is attached to the attachments 102c and 102d on the tip side via a locking tool composed of a shackle so as to be connected to each other.

Further, the lengths of the restraining means 103a and 103b in the longitudinal direction are adjusted to apply a predetermined tension to the restraining means 103a and 103b.
As a result, the transported object 105 is sandwiched between the base end portions 111c of the forks 111a and 111b and the attachments 102c and 102d mounted on the tip end side, and the upper surface thereof is the restraining means 103a. Since it is pressed against the forks 111a and 111b by 103b, it is restrained by the forks 111a and 111b so as not to move in the front-back direction and the up-down direction.

The fixing device and fixing method of the present invention firmly fix the object to be transported to the fork when the object to be transported (object to be transported) is transported by a transport vehicle or a transport trolley equipped with a fork such as a forklift. The object to be transported can be firmly fixed to the fork regardless of the weight, shape, size, etc. of the object to be transported.
Therefore, in the fixing device and fixing method of the present invention, there are no particular restrictions on the object to be transported, and various objects to be transported including large heavy objects, particularly large heavy objects having a vertically long and low center of gravity such as a switchboard. Is suitable for.

The fixing device and fixing method of the present invention are configured to firmly fix the transported object to a fork provided in a transported vehicle or the like even when a vertically long and low center of gravity large heavy object is transported as the transported object. Therefore, it can be used for transporting various objects to be transported, particularly large heavy objects having a vertically long and low center of gravity, such as a transport vehicle equipped with a fork.

1,101 Fixture 2,2a, 2b, 2c, 2d, 102c, 102d Attachments 21,21a, 21b, 21c, 21d Attachment main body 211,211a, 211b, 211c, 211d Openings 212, 212a, 212b, 212c, 212d Side parts 213, 213a, 213b, 213c, 213d Side parts 214, 214a, 214b, 214c, 214d Support parts 215, 215a, 215b, 215c, 215d Through holes 216, 216a, 216b, 216c, 216d Insertion holes 3a, 3b, 103a, 103b Restraining means 4,104 Fixture 5,105 Transported object 10,110 Forklift 11a, 11b, 111a, 111b Fork 111c Fork base end 111d Mast

Claims (6)

A fork attachment that is attached to a fork.
An attachment main body consisting of a rectangular parallelepiped or cube-shaped box with both ends open,
A pair of side surface portions erected upward from the left and right ends of the upper surface of the attachment main body,
It is composed of a support portion erected upward from the front end of the opening of the attachment main body so as to cover the front surface between the pair of side surface portions.
Each of the pair of side surface portions has a through hole formed so as to penetrate in the left-right direction.
Attachment for forks featuring. The pair of side surface portions
The fork attachment according to claim 1, wherein each of the attachments is made of a side-viewing triangular or trapezoidal plate-like body whose upper end is inclined so as to be higher toward the support portion. A fork fixing device for fixing an object to be conveyed placed on a pair of left and right forks to the fork.
The fork attachment according to claim 1 or 2 , which is attached to the base end side of each of the pair of left and right forks so that the front surface of the support portion faces the tip end side.
The fork attachment according to claim 1 or 2 , which is attached to the tip end side of each of the pair of left and right forks so that the front surface of the support portion faces the proximal end side.
In a state of being in contact with the upper surface of the object to be transported, one end side is connected to the fork attachment attached to the base end side, while the other end side is connected to the fork attachment attached to the tip end side. Consists of restraint means,
The object to be transported is sandwiched between a pair of fork attachments mounted on the base end side and a pair of fork attachments mounted on the tip end side, and the upper surface thereof is held by the restraining means. A device for fixing an object to be transported for a fork, which is fixed so as to be pressed against the fork. The transported object is
The device for fixing an object to be transported for a fork according to claim 3 , wherein the object is a vertically long object. It is a method of fixing the transported object to the fork.
The support portion of the fork attachment according to claim 1 or 2 mounted on the tip end side of the fork, and the support portion of the fork attachment according to claim 1 or 2 mounted on the proximal end side of the fork. In addition to sandwiching the object to be transported placed on the fork,
One end side is connected to the fork attachment attached to the tip end side of the fork so as to abut on the upper surface of the object to be transported, while the other end side is connected to the fork attachment attached to the base end side of the fork. A method for fixing an object to be conveyed, which comprises pressing the upper surface of the object to be conveyed by the restraining means. It is a method of fixing the transported object to the fork.
The fork attachment support portion according to claim 1 or 2 mounted on the tip end side of the fork and the base end portion of the fork sandwich the transported object placed on the fork.
One end is connected to the fork attachment so as to abut on the upper surface of the object to be transported, while the other end is pressed by a restraining means connected to the mast of the forklift to press the upper surface of the object to be transported. How to fix the object to be transported.

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