JP7337467B1 - Fall prevention aid - Google Patents

Abstract

An object of the present invention is to provide a fall prevention aid that has excellent versatility and can easily prevent falls. [Solution] Fall prevention aids 10, 20 are attached to a stanchion 2 erected on a loading platform 1, and the fall prevention aids 10, 20 are installed in a direction intersecting the longitudinal direction of the aid bodies 11, 21 from the upper end of the aid bodies 11, 21. The end hooks 3a and 5a of the upper fall prevention ropes 3 and 5 arranged to extend horizontally on the loading platform 1 are locked to the extending upper hook locking parts 12 and 22, and the auxiliary tool main body 11 , 21 to the lower hook locking parts 13, 23 extending in a direction intersecting the longitudinal direction of the auxiliary tool bodies 11, 21, a downward fall prevention device is disposed extending horizontally on the loading platform 1. The end hooks 4a and 6a of the cables 4 and 6 are locked. [Selection diagram] Figure 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fall prevention aid that is detachably attached to a stanchion erected on a loading platform of a vehicle and used to prevent falling from the loading platform.

As a measure to prevent falls when working on the loading platform of a vehicle such as a trailer, ropes and nets for the main ropes for attaching safety belts are attached to the stanchions and their accompanying devices to prevent falls and to absorb shocks in the event of a fall. ing.
For example, the fall prevention device described in Patent Document 1 is provided with a front pillar support member which is erected with at least a part of it fitted into a front receiving frame at a corner of the upper plane of the cargo bed of the trailer. a stanchion, a stanchion with a rear column support member and a front column support member having a rear column support member erected with at least a portion thereof fitted in a rear side receiving frame at a rear corner of the upper plane of the cargo bed; a front strut detachably erected on the rear strut supporting member; a rear strut detachably erected on the rear strut supporting member; and a wire stretched as a main rope between the front strut and the rear strut. ing.

The fall prevention device described in Patent Document 2 is inserted into a plurality of insertion holes formed at the edge of a loading platform of a transportation vehicle, and includes a plurality of stanchions that stand upward from the loading platform, and the plurality of stanchions. A master rope that is horizontally suspended by being inserted through a plurality of provided rings, a tensioner that applies tension to the master rope, and a safety belt that is connected to a worker and locked to the master rope. each of the plurality of stanchions has an insertion portion inserted into the plurality of insertion holes, a horizontal portion horizontally extending from the insertion portion toward the outside of the cargo bed, and the plurality of rings attached thereto. and a pillar portion vertically erected from the horizontal portion.

The fall prevention device described in Patent Document 3 includes a plurality of stanchions erected along the outer edge of a loading platform of a freight car, a rope member stretched between the two stanchions, and a rope member slidable on the rope member. and a connecting member connected to a worker, and one end and the other end of the rope member wind the rope member fixed to the freight car. is provided at the upper end of the stanchion.

The fall prevention device described in Patent Document 4 is fitted into a long main body portion in which a cylindrical fitting portion is connected by a hinge portion, and a hole formed in a loading platform of a freight car, and the fitting portion is fitted. It comprises a base that is slidably and rotatably accommodated, and a net that stretches between the plurality of main body parts, and at least the hinge part and one end of the main body part on the hinge part side are provided in the base part. is accommodated and the main body portion is erected with respect to the loading platform, and the insertion portion is slid within the base portion to expose the hinge portion and one end portion of the main body portion on the hinge portion side to expose the The main body can be bent with respect to the loading platform.

The fall prevention device described in Patent Literature 5 includes a columnar portion having its lower end attached to the upper end of each of at least two columns erected on the side edge of the cargo bed of a freight car and extending upward from the column. , and a net stretched between these pillars.

Utility Model Registration No. 3232384 Japanese Patent Application Laid-Open No. 2022-83580 Japanese Unexamined Patent Application Publication No. 2014-39740 JP 2012-71769 A Utility Model Registration No. 3146861

However, the conventional fall prevention device as described above has a problem that it is necessary to install the device on a dedicated stanchion or a stanchion, and the shape of the vehicle or the stanchion is limited, resulting in poor versatility.
In addition, there is a problem that it takes time and labor to install the fall prevention device, and it is difficult to easily prevent the fall.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fall prevention aid which is excellent in versatility and which can easily prevent a person from falling.

In order to achieve the above objects, the fall prevention aid of the present invention is detachably attached to a stanchion erected on the bed of a vehicle or the like, and is used to prevent falling from the bed. is a tool,
an auxiliary tool body detachably attached to the stanchion so as to extend in the vertical direction of the stanchion;
An end hook of an upper fall prevention rope extending horizontally on the loading platform extends from the upper end of the auxiliary tool main body in a direction crossing the longitudinal direction of the auxiliary tool main body. an upper hook locking portion to be locked;
An end hook of a downward fall prevention rope extending horizontally on the loading platform extends from the lower end of the auxiliary tool main body in a direction crossing the longitudinal direction of the auxiliary tool main body. and a lower hook locking portion to be locked.

Here, the term "vehicles" includes transportation vehicles such as trucks and trailers, railroad transportation vehicles, and transportation vessels equipped with a loading platform.
In addition, when the cargo bed is rectangular in plan view and the stanchions are set up at the four corners of the cargo bed, since the driver's cab is located in front of the cargo bed, anti-fall ropes are provided in the width direction of the cargo bed on the front side of the cargo bed. No need. For this reason, in the fall prevention aid attached to the two stanchions on the front side of the cargo bed, the upper hook engagement portion and the lower hook engagement portion need only extend to the rear side of the cargo bed. In the prevention aid, the upper hook engagement portion and the lower hook engagement portion may extend in the width direction of the cargo bed and in the front side of the cargo bed, respectively.
In addition, when stanchions are erected at locations other than the four corners of the cargo bed, the fall prevention aids attached to the stanchions are designed so that the upper hook locking portion and the lower hook locking portion are arranged in the front-rear direction of the cargo bed or in the direction of the cargo bed. It should just extend in the width direction.

In the present invention, an auxiliary tool body is attached to a stanchion erected on a vehicle bed, and an upper hook engaging portion extending from the upper end of the auxiliary tool body in a direction intersecting the longitudinal direction of the auxiliary tool body. , a lower part that engages an end hook of an upper fall prevention cable that extends horizontally on the loading platform and that extends from the lower end of the auxiliary tool body in a direction intersecting with the longitudinal direction of the auxiliary tool body; By engaging the end hooks of the downfall prevention ropes horizontally extending on the cargo bed with the hook engaging portions, the top fall prevention ropes and the downfall prevention ropes can be secured to the cargo bed regardless of the shape of the stanchions. Prevention cords can be easily provided.
Therefore, it has excellent versatility and can easily prevent falling.

Further, in the configuration of the present invention, an upper hanging portion that is hung on the upper end surface of the stanchion may be provided at the upper end portion of the auxiliary tool main body.

According to such a configuration, when the auxiliary tool body is attached to the stanchion, the upper hook portion is hooked on the upper end surface of the stanchion so that the auxiliary tool body does not slide downward, so that the auxiliary tool body is attached to the stanchion. Positioning in the vertical direction enables reliable attachment.

Further, in the above configuration of the present invention, the auxiliary tool main body is formed in a flexible vertically extending belt shape attached to the stanchion so as to cover more than half of the side surface of the stanchion in a cross section,
The upper hook engaging portion is formed in a substantially U-shape or a substantially V-shape, one end is attached to one side edge of the band-shaped auxiliary tool main body, and the other end is attached to the other side of the auxiliary tool main body. attached to the edge,
The lower hook locking portion has two hook locking members,
The base end of one of the hook locking members is attached to one side edge of the auxiliary tool body, and the base end of the other hook locking member is attached to the other side edge of the auxiliary tool body. may

Such fall prevention aids are suitable for attachment to stanchions that are spaced apart in the width direction of the bed of a trailer, for example, on the front side of the bed (on the side where the cab is located). In other words, since there is a driver's cab on the front side of the cargo bed and there is no fear of falling, there is no need to provide a fall prevention rope in the width direction on the front side of the cargo bed.
Therefore, in the above fall prevention aid, the main body of the aid is attached to the stanchion on the front side of the cargo bed so as to cover more than half of the side surface of the stanchion in cross section, and the upper hook engaging portion extends toward the rear of the cargo bed. The end hooks of the upper fall-prevention rope, which extends horizontally in the front-rear direction on the loading platform, are engaged with the upper hook-engagement portion, and the upper end of the assisting device body is tightened by tightening the upper fall-prevention rope. part against the stanchion. In addition, the end hooks of the downfall prevention rope, which extends horizontally in the front-rear direction on the cargo bed, are engaged with the two hook engagement members of the lower hook engagement portion to secure the downfall prevention rope. The tightening forces the lower end of the aid body against the stanchions. The stanchions on the rear side of the loading platform are equipped with fall prevention aids, which will be described later.
As a result, the upper fall prevention rope and the lower fall prevention rope can be easily provided in the longitudinal direction of the cargo bed.

In addition, the following fall prevention aids may be attached to the stanchions on the rear side of the cargo bed.
That is, in the above configuration of the present invention, the auxiliary tool main body is formed in a flexible vertically extending belt shape attached to the stanchion so as to cover more than half of the side surface of the stanchion in a cross section,
the upper hook engaging portion includes a first upper engaging portion and a second upper engaging portion;
The first upper engaging portion is formed in a substantially U-shape or a substantially V-shape, one end is attached to one side edge of the band-shaped auxiliary tool main body, and the other end is attached to the auxiliary tool main body. attached to the side edges,
The second upper locking portion includes two hook locking members,
One of the hook engaging members has a base end attached to one side edge of the auxiliary tool main body and extends in a direction crossing the longitudinal direction of the auxiliary tool main body through the surface side of the auxiliary tool main body. exist,
The other hook locking member has a base end attached to one side edge of the auxiliary tool main body and extends in a direction crossing the longitudinal direction of the auxiliary tool main body through the back side of the auxiliary tool main body. exist,
the lower hook engaging portion includes a first lower engaging portion and a second lower engaging portion;
The first lower locking portion includes two hook locking members,
The base end of one of the hook locking members is attached to one side edge of the auxiliary tool body, and the base end of the other hook locking member is attached to the other side edge of the auxiliary tool body,
A proximal end portion of the second lower locking portion may be attached to a lower end portion of the auxiliary tool main body.

Such fall prevention aids are suitable for attachment to stanchions that are spaced apart in the width direction of the cargo bed, for example, on the rear side of the trailer cargo bed (opposite side to the cab).
That is, in the fall prevention aid having the above structure, the aid body is attached to each of the two stanchions on the front side of the loading platform so as to cover more than half of the side surfaces of the stanchions in the cross section.
Next, the first upper engaging portion of the upper hook engaging portion is extended toward the front of the cargo bed, and an upward fall prevention device is provided on the first upper engaging portion so as to extend in the front-rear horizontal direction of the cargo bed. By locking the end hook of the rope and tightening the upper fall prevention rope, the upper end of the assisting device main body is pressed against the stanchion.
Further, the two hook engaging members of the second upper engaging portion extend in the width direction of the cargo bed, and the two hook engaging portions extend horizontally in the width direction of the cargo bed at the rear side of the cargo bed. By locking the end hook of the upper fall-prevention rope arranged in the upper fall-prevention rope and tightening the upper fall-prevention rope, the upper end of the assisting device main body is pressed against the stanchion.

Also, the two hook engaging members of the first lower engaging portion of the lower hook engaging portion are extended to the front side of the cargo bed, and the ends of the downward fall prevention ropes are arranged to extend in the front and rear of the cargo bed in the horizontal direction. By locking the hook and tightening the downward fall prevention rope, the lower end of the auxiliary tool body is pressed against the stanchion.
Further, the second lower engaging portion of the lower hook engaging portion extends in the width direction of the cargo bed, and the second lower engaging portion is disposed on the rear side of the cargo bed so as to extend in the horizontal direction in the width direction of the cargo bed. The lower end of the assisting device main body is pressed against the stanchion by locking the end hook of the downward fall prevention rope and tightening the downward fall prevention rope.
As a result, the upper fall prevention rope and the lower fall prevention rope can be easily provided in the width direction of the bed on the rear side of the bed.

According to the present invention, regardless of the shape of the stanchion or the like, the upper fall prevention rope and the lower fall prevention rope can be easily provided on the loading platform, so that it is excellent in versatility and can easily prevent falls.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic perspective view of the fall prevention aid of a 1st example which shows embodiment of this invention. It is a cross-sectional view of an auxiliary tool main body equally. It is a front view of the state which opened the fall prevention auxiliary tool of a 1st example equally. It is a schematic perspective view of the fall prevention aid of a 2nd example same. It is a front view of the state which opened the fall prevention aid of a 2nd example same. FIG. 2 is a side view of a loading platform of a vehicle or the like. 7 is a view taken along line AA in FIG. 6. FIG. 7 is a view taken along line BB in FIG. 6. FIG.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic perspective view of the first example of the fall prevention aid of the present embodiment, FIG. 2 is a cross-sectional view of the main body of the aid, and FIG. 3 is a front view of the first example of the fall prevention aid in an open state. is.
FIG. 4 is a schematic perspective view of the fall prevention aid of the second example of the present embodiment, and FIG. 5 is a front view of the fall prevention aid of the second example in an open state.
6 is a side view of a loading platform of a vehicle or the like, FIG. 7 is a view taken along line AA in FIG. 6, and FIG. 8 is a view taken along line BB in FIG.

The fall prevention aids 10 and 20 are detachably attached to a stanchion 2 erected on a loading platform 1 of a vehicle or the like as shown in FIGS. It is a thing.
Two stanchions 2 to which fall prevention aids 10 of the first example are attached are erected on the front side of the bed (on the right side in FIGS. 6 to 8), spaced apart in the width direction of the bed 1, and fall onto each stanchion 2. A prevention aid 10 is attached. In addition, since there is a driver's cab (not shown) on the front side of the loading platform 1 , there is no need for a fall prevention rope extending in the width direction of the loading platform 1 on the front side of the loading platform 1 .

As shown in FIGS. 1 to 3, the fall prevention aid 10 of the first example is made of flexible synthetic fiber cloth or other cloth, and includes an aid main body 11 and an upper hook engaging portion. A portion 12 and a lower hook engaging portion 13 are provided.
The auxiliary tool main body 11 is detachably attached to the stanchion 2 so as to extend in the vertical direction (longitudinal direction) of the stanchion 2, and is formed in a belt shape extending vertically. In addition, the auxiliary tool main body 11 includes a back plate portion 11a extending in the vertical direction, and a side edge portion along the vertical direction of the back plate portion 11a integrally with the back plate portion 11a and with respect to the back plate portion 11a. The side plate portions 11b, 11b are formed so as to be capable of being bent substantially at a right angle.
Before the fall prevention aid 10 is attached to the stanchion 2, the lower side of the aid main body 11 is open, making it easy to attach to the stanchion 2. As shown in FIG.

Further, as shown in FIG. 2, the auxiliary tool main body 11 is attached to the stanchion 2 so as to cover more than half, specifically approximately 3/4 of the side surface of the stanchion 2 in cross section. In this embodiment, the stanchions 2 are formed in a rectangular cross section and have four sides. Therefore, the auxiliary tool main body 11 is attached to the stanchion 2 so as to cover three of the four sides. In a state in which the auxiliary tool main body 11 is attached to the stanchion 2, the back plate portion 11a covers one side surface of the stanchion 2 (the side surface facing the front side of the loading platform 1), and the side plate portions 11b, 11b cover the opposite side surfaces of the stanchion 2. each covered.

If the stanchion has a circular or polygonal shape in cross section, the auxiliary device main body 11 may be attached so as to cover more than half of the side surface of the stanchion in the cross section.
Furthermore, as shown in FIGS. 1 and 3, a rectangular plate-shaped magnet 11c is attached to the upper portion of the back plate portion 11a of the assisting device main body 11. As shown in FIGS. The magnet 11c fixes the back plate portion 11a to one side surface of the stanchion 2 by magnetic force when the auxiliary tool main body 11 is attached to the stanchion 2. As shown in FIG.

As shown in FIG. 1, the upper hook engaging portion 12 extends from the upper end of the auxiliary tool main body 11 in a direction crossing the longitudinal direction of the auxiliary tool main body 11 and has a substantially U-shaped or substantially V-shaped shape. formed in the shape of One end of the upper hook engaging portion 12 is attached to one side edge of the auxiliary tool main body 11 , and the other end is attached to the other side edge of the auxiliary tool main body 11 . attached to the top end.
As shown in FIGS. 6 and 7, the upper hook engaging portion 12 is engaged with the end hook 3a of the upper fall prevention cable 3, which is arranged to extend horizontally and in the front-rear direction. be stopped.

As shown in FIGS. 1 and 3, the lower hook engaging portion 13 has two hook engaging members 13a, 13a. An end portion of the hook locking member 13a is provided with a locking hole 13b in which an end hook 4a of a downward fall prevention cable 4, which will be described later, is locked. The base end of one hook locking member 13a is attached to one side edge of the lower end of the auxiliary tool main body 11, and the base end of the other hook locking member 13a is attached to the other side of the lower end of the auxiliary tool main body 11. attached to the edge.
As shown in FIGS. 6 and 8, the lower hook engaging portion 13 is engaged with the end hook 4a of the downward fall prevention rope 4 extending horizontally and longitudinally on the cargo bed 1. As shown in FIG. be stopped. That is, the tip portions of the two hook locking members 13a, 13a are overlapped so that the locking holes 13b, 13b communicate with each other, and the end hook 4a is locked in the locking holes 13b, 13b.

Further, the upper end portion of the auxiliary tool body 11 is provided with an upper hanging portion 14 that is hung on the upper end surface of the stanchion 2 . The upper hook portion 14 is formed in a strip shape, and one end portion of the upper hook portion 14 is attached to the upper end portion of one side plate portion 11b of the auxiliary tool main body 11, and the other end portion of the upper hook portion 14 is attached to the upper end portion of the side plate portion 11b. is attached to the upper end portion of the other side plate portion 11b.
As shown in FIG. 7, the upper hanging portion 14 is hung on the upper end surface of the stanchion 2 from opposite side surfaces thereof in a state where the fall prevention aid 10 is attached to the stanchion 2, thereby providing a fall prevention aid. This prevents the tool 10 from slipping down.

Further, as shown in FIGS. 6 to 8, two stanchions 2, 2 standing apart in the width direction of the cargo bed 1 are mounted on the rear side of the cargo bed 1 (left side in FIGS. 6 to 8). , the fall prevention aid 20 of the second example is attached. As shown in FIGS. 7 and 8, the fall prevention aid 20 is provided on one side of two stanchions 2, 2 erected on the rear side of the loading platform 1 with a gap left and right. It is attached to the stanchion 2 on the left side when viewed from the rear.

The fall prevention aid 20 attached to the stanchion 2 on the other side (the right side when the loading platform 1 is viewed from the rear) is different from the fall prevention aid 20 shown in FIG. 32 and the second lower engaging portion 42 are attached to the proximal end portions and extend in opposite directions, that is, they are symmetrical with respect to the center line (the center line that bisects the lateral width) of the assisting device main body 21, which will be described later. Since the basic configuration is the same, the fall prevention aid 20 attached to the stanchion 2 on one side will be described below, and the fall prevention aid attached to the stanchion 2 on the other side (symmetrical fall prevention aid) will be described below. It may also be referred to as a tool.) 20 will be omitted.

As shown in FIG. 4, the fall prevention aid 20 of the second example is made of flexible synthetic fiber cloth or other cloth, like the first fall prevention aid 10. It has an auxiliary tool main body 21 , an upper hook engaging portion 22 and a lower hook engaging portion 23 .

The auxiliary tool main body 21 is detachably attached to the stanchion 2 so as to extend in the vertical direction (longitudinal direction) of the stanchion 2, and is formed in a belt shape extending vertically. In addition, the auxiliary tool main body 21 includes a back plate portion 21a extending in the vertical direction, and side edges along the vertical direction of the back plate portion 21a integrally with the back plate portion 21a and with respect to the back plate portion 21a. The side plate portions 21b, 21b are formed so as to be capable of being bent at substantially right angles, and when attached to the stanchion 2, are formed in a substantially U-shaped cross section.
Before the fall prevention aid 20 is attached to the stanchion 2, the lower side of the aid main body 21 is open, making it easy to attach to the stanchion 2. As shown in FIG.

Further, as shown in FIG. 2, the auxiliary tool main body 21 is attached to the stanchion 2 so as to cover more than half, specifically approximately 3/4, of the side surface of the stanchion 2 in cross section. As described above, in this embodiment, the stanchions 2 are formed in a rectangular cross section and have four side surfaces. Therefore, the auxiliary tool main body 21 is attached to the stanchion 2 so as to cover three of the four sides. In a state where the auxiliary tool main body 21 is attached to the stanchion 2, the back plate portion 21a covers one side surface of the stanchion 2 (the side surface facing the rear side of the loading platform 1), and the side plate portions 21b and 21b cover the opposite side surfaces of the stanchion 2. covering each.

When the stanchion has a circular or polygonal shape in cross section, the auxiliary device main body 21 may be attached so as to cover more than half of the side surface of the stanchion in the cross section.
Further, a rectangular plate-like magnet 21c is attached to the upper portion of the back plate portion 21a of the auxiliary tool main body 21. As shown in FIG. The magnet 21c fixes the back plate portion 21a to one side surface of the stanchion 2 by magnetic force when the auxiliary tool main body 21 is attached to the stanchion 2. As shown in FIG.

As shown in FIGS. 4 and 5 , the upper hook engaging portion 22 includes a first upper engaging portion 31 and a second upper engaging portion 32 . The first upper engaging portion 31 and the second upper engaging portion 32 extend in directions substantially perpendicular to each other in a plan view in a state where the auxiliary tool body 21 is attached to the stanchion 2 . The first upper engaging portion 31 extends toward the front side of the cargo bed 1 , and the second upper engaging member 32 extends in the width direction of the cargo bed 1 .

The first upper engaging portion 31 extends from the upper end portion of the auxiliary tool main body 21 in a direction crossing the longitudinal direction of the auxiliary tool main body 21 and is formed in a substantially U-shape or a substantially V-shape. One end of the first upper engaging portion 31 is attached to one side edge of the auxiliary tool main body 21 , and the other end is attached to the other side edge of the auxiliary tool main body 21 . attached to the upper end of the
As shown in FIGS. 6 and 7, the first upper locking portion 31 is provided with an end hook 3a of the upper fall prevention cable 3 extending horizontally and longitudinally on the loading platform 1. As shown in FIGS. Locked.

The second upper locking portion 32 has two hook locking members 32a, 32a. An end portion of the hook locking member 32a is provided with a locking hole 32b into which the end hook 5a of the upper fall prevention cable 5 is locked.
One hook locking member 32a has a base end attached to one side edge of the auxiliary tool main body 21, and passes through the surface side of the auxiliary tool main body 21 (right side in FIG. 4) in the longitudinal direction of the auxiliary tool main body 21. extends in a direction that intersects the
The other hook engaging portion 32a has a base end attached to one side edge of the auxiliary tool main body 21, and extends along the longitudinal direction of the auxiliary tool main body 21 through the back side of the auxiliary tool main body 21 (left side in FIG. 4). It extends in a direction that intersects the direction.

As shown in FIG. 7, the end hook 5a of the upper fall prevention cable 5, which extends horizontally and in the width direction of the cargo bed 1, is attached to the second upper engaging portion 32. Locked. That is, the tip portions of the two hook locking members 32a, 32a are overlapped so that the locking holes 32b, 32b communicate with each other, and the end hook 5a is locked in the locking holes 32b, 32b.
In addition, since the fall prevention aids 20 are attached to the two stanchions 2, 2 on the rear side of the loading platform 1, one end hook 5a of the upper fall prevention rope 5 is attached to the first fall prevention aid 20. The other end hook 5 a is locked to the second upper locking portion 32 of the other fall prevention aid 20 .
One fall prevention aid 20 has a configuration as shown in FIG. 4, while the other fall prevention aid 20 is a symmetrical fall prevention aid 20 as described above.

The lower hook engaging portion 23 includes a first lower engaging portion 41 and a second lower engaging portion 42, as shown in FIGS. The first lower engaging portion 41 and the second lower engaging portion 42 extend in directions substantially perpendicular to each other in a plan view in a state where the assisting device main body 21 is attached to the stanchion 2 . The first lower engaging portion 41 extends toward the front side of the cargo bed 1 , and the second lower engaging member 42 extends in the width direction of the cargo bed 1 .

The first lower engaging portion 41 has two hook engaging members 41a, 41a. A base end portion of the hook locking member 41 a is attached to the other side edge portion of the auxiliary tool main body 21 . The hook locking members 41a, 41a extend in a direction intersecting with the longitudinal direction of the auxiliary tool main body 21, and each hook locking member 41a has a locking hole 41b at the tip thereof.

As shown in FIGS. 6 and 8, the first lower locking portion 41 is provided with an end portion of the downward fall prevention rope 4 extending horizontally on the cargo bed 1 and in the longitudinal direction of the cargo bed 1. Hook 4a is locked. That is, the tip portions of the two hook locking members 41a, 41a are overlapped so that the locking holes 41b, 41b communicate with each other, and the end hook 4a is locked in the locking holes 41b, 41b.

The second lower engaging portion 42 has a base end attached to the lower end of the auxiliary tool main body 21 and extends in a direction crossing the longitudinal direction of the auxiliary tool main body 21 . A locking hole 42 b is provided at the tip of the second lower locking portion 42 .

As shown in FIG. 8, the second lower locking portion 42 has an end hook 6a of the downward fall prevention cable 6 extending horizontally and in the width direction of the cargo bed 1. Locked.
In addition, since the fall prevention aids 20 are attached to the two stanchions 2, 2 on the rear side of the loading platform 1, one end hook 6a of the downward fall prevention rope 6 is attached to one of the fall prevention aids 20. The other end hook 6 a is locked to the second lower locking portion 42 of the other fall prevention aid 20 .

Further, as shown in FIGS. 4 and 5 , an upper hanging portion 24 that is hung on the upper end surface of the stanchion 2 is provided at the upper end portion of the auxiliary tool main body 21 . The upper hook portion 24 is formed in a strip shape, and one end portion of the upper hook portion 24 is attached to the upper end portion of one side plate portion 21b of the auxiliary tool main body 21, and the other end portion of the upper hook portion 24 is attached to the upper end portion of the side plate portion 21b. is attached to the upper end portion of the other side plate portion 21b.
As shown in FIG. 7, the upper hanging portion 24 is hung from opposite side surfaces of the stanchion 2 to the upper end surface of the stanchion 2 in a state where the fall prevention aid 20 is attached to the fall prevention aid. 20 is prevented from slipping down.

The fall prevention aids 10 and 20 described above are attached to the stanchions 2 in the following manner.
First, the fall prevention aid 10 is attached to each of the two stanchions 2, 2 erected on the front side of the loading platform 1, as shown in FIGS.
In this case, the auxiliary tool main body 11 of the fall prevention auxiliary tool 10 is attached to the stanchion 2 on the front side of the loading platform 1 so as to cover approximately 3/4 of the side surface of the stanchion 2 in the cross section. At this time, the auxiliary tool main body 11 is bent into a U-shaped cross section, the open part is directed toward the rear side of the loading platform 1, and the upper hook part 14 is hooked on the upper end surface of the stanchion 2, whereby the fall prevention auxiliary tool 10 is placed. to prevent it from slipping down. Further, the magnet 11c provided in the auxiliary tool main body 11 is fixed to the stanchion 2 by magnetic force, thereby preventing the fall prevention auxiliary tool 10 from slipping down.

Next, the upper hook engagement portion 12 is extended toward the rear of the cargo bed 1, and the front side of the upper fall prevention cable 3, which is arranged on the upper hook engagement portion 12 so as to extend in the front-back and horizontal direction of the cargo bed 1, is placed on the upper hook engagement portion 12. , the end hook 3a is locked. Also, the two hook engaging members 13a, 13a of the lower hook engaging portion 13 are extended toward the rear of the loading platform 1, and the hook engaging members 13a, 13a are fitted into the engaging holes 13b, 13b, and the loading platform 1 is fitted forward and backward. The hook 4a on the front side of the downward fall prevention rope 4 arranged to extend horizontally is locked.

On the other hand, the fall prevention aid 20 is attached to each of two stanchions 2, 2 erected on the rear side of the loading platform 1, as shown in FIGS. One stanchion 2 is attached with a fall prevention aid 20 as shown in FIG. 4 , and the other stanchion 2 is attached with a symmetrical fall prevention aid 20 .
In this case, the auxiliary tool main body 21 of the fall prevention auxiliary tool 20 is attached to the stanchion 2 on the rear side of the loading platform 1 so as to cover approximately 3/4 of the side surface of the stanchion 2 in the cross section. At this time, the auxiliary tool main body 21 is bent into a U-shaped cross section, the open part is directed toward the front side of the loading platform 1, and the upper hanging part 24 is hooked on the upper end surface of the stanchion 2, so that the fall prevention auxiliary tool 20 can be secured. Prevents downward slippage. Further, the magnet 21c provided in the auxiliary tool main body 21 is fixed to the stanchion 2 by magnetic force, thereby preventing the fall prevention auxiliary tool 20 from slipping downward.

Next, the first upper engaging portion 31 of the upper hook engaging portion 22 is extended toward the front of the cargo bed 1, and the first upper engaging portion 31 is arranged to extend in the front-rear horizontal direction of the cargo bed. The rear end hook 3a of the upper fall prevention cable 3 is locked. Since the front end hook 3a of the upper fall prevention cable 3 is engaged with the upper hook engaging portion 12 of the fall prevention aid 10, tightening the upper fall prevention cable 3 allows the upper end of the aid tool body 21 to move. part is pressed against the stanchion 2, and the upper end part of the assisting tool body 11 of the fall prevention assisting tool 10 is pressed against the stanchion 2 on the front side.
Further, the two hook engaging members 32a, 32a of the second upper engaging portion 32 are extended in the width direction of the cargo bed 1, and the two hook engaging portions 32a, 32a are attached to the cargo bed 1 on the rear side of the cargo bed 1. By locking the end hook 5a of the upper fall prevention cable 5 arranged horizontally in the width direction of the , and tightening the upper fall prevention cable 5, the upper end of the auxiliary tool body 21 is attached to the stanchion 2 impose.

Of the two stanchions 2, 2 on the rear side of the loading platform 1, one stanchion 2 is fitted with a fall prevention aid 20 as shown in FIG. Since the device 20 is attached, one end hook 5a of the upper fall prevention rope 5 is engaged with the second upper locking portion 32 of the fall prevention aid 20, and the other end hook 5a is engaged with a symmetrical fall prevention aid. It locks onto the second upper locking portion 32 of the tool 20 .
A tightening belt (not shown) is interposed between the upper fall prevention cables 3, 5 and the end hooks 3a, 5a. By tightening this tightening belt, the upper fall prevention cables 3, 5 are tightened.

Further, the two hook engaging members 41a, 41a of the first lower engaging portion 41 of the lower hook engaging portion 23 are extended to the front side of the cargo bed 1, and arranged to extend in the front and rear of the cargo bed 1 in the horizontal direction. The end hook 4a on the rear side of the fall prevention rope 4 is locked. Since the front end hook 4a of the downward fall prevention cable 4 is engaged with the lower hook engaging portion 13 of the fall prevention aid 10, by tightening the downward fall prevention cable 4, the lower end of the aid body 21 can be pulled out. part is pressed against the stanchion 2, and the lower end part of the assisting tool body 11 of the fall prevention assisting tool 10 is pressed against the stanchion 2 on the front side.

Further, the second lower engaging portion 42 of the lower hook engaging portion 23 extends in the width direction of the loading platform 1, and the second lower engaging portion 42 extends horizontally in the width direction of the loading platform on the rear side of the loading platform. The lower end of the assisting device main body 21 is pressed against the stanchion 2 by locking the end hook 6a of the downward fall prevention rope 6 arranged as a downward fall prevention rope 6 and tightening the downward fall prevention rope 6 .
As a result, the upper fall prevention ropes 5 and the lower fall prevention ropes 6 can be easily provided in the width direction of the bed 1 on the rear side of the bed 1 .

Of the two stanchions 2, 2 on the rear side of the loading platform 1, one stanchion 2 is fitted with a fall prevention aid 20 as shown in FIG. Since the device 20 is attached, one end hook 6a of the downward fall prevention rope 6 is engaged with the second lower locking portion 42 of the fall prevention aid 20, and the other end hook 6a is engaged with a symmetrical fall prevention aid. It locks onto the second upper locking portion 42 of the tool 20 .
A tightening belt (not shown) is interposed between the lower fall prevention cables 4, 6 and the end hooks 4a, 6a. By tightening this tightening belt, the upper fall prevention cables 4, 6 are tightened.

As described above, according to this embodiment, the fall prevention aids 10 and 20 are attached to the stanchions 2 erected on the loading platform 1 of the vehicle. , 21 extending in the direction crossing the longitudinal direction of the upper hook engaging portions 12, 22. and extending from the lower end of the auxiliary tool main body 11, 21 in the direction crossing the longitudinal direction of the auxiliary tool main body 11, 21, to the loading platform 1 in the horizontal direction By engaging the end hooks 4a, 6a of the downward fall prevention cables 4, 6 arranged in an extended manner, the top fall prevention cables 3, 5 and the downward fall can be secured to the bed 1 regardless of the shape of the stanchion 2 or the like. The prevention cords 4, 6 can be easily provided. Therefore, it has excellent versatility and can easily prevent falling.

In addition, since the upper end portions of the auxiliary tool bodies 11 and 21 are provided with the upper hanging parts 14 and 24 that are hung on the upper end surface of the stanchion 2, when the auxiliary tool bodies 11 and 21 are attached to the stanchion 2, the stanchion 2 can be easily attached. By hooking the upper hooks 14, 24 on the upper end surface of the stanchion 2, the auxiliary tool main bodies 11, 21 do not slide downward, so that the auxiliary tool main bodies 11, 21 are positioned on the stanchion 2 in the vertical direction to ensure can be installed.

In addition, the fall prevention aid 10 of the first example attached to the stanchion 2 erected on the front side of the loading platform 1 and the fall prevention aid 20 of the second example attached to the stanchion 2 erected on the rear side are provided. Therefore, the upper fall prevention ropes 3 and 5 and the lower fall prevention ropes 4 and 6 can be easily provided in the longitudinal direction of the bed 1 and in the width direction of the bed 1 on the rear side of the bed 1 .

In the present embodiment, the case where the upper fall prevention ropes 3, 5 and the lower fall prevention ropes 4, 6 are arranged so as to surround the opposite side portions and the rear portion of the cargo bed 1, which is rectangular in plan view, has been described as an example. However, when the upper fall prevention ropes 3, 5 and the lower fall prevention ropes 4, 6 are arranged so as to surround the opposite sides, front and rear of the cargo bed 1, the fall prevention aid 10 is attached to the front stanchions 2, 2. Instead, the fall prevention aid 20 may be attached.

1 bed 2 stanchions 3, 5 upper fall prevention ropes 3a, 5a end hooks 4, 6 lower fall prevention ropes 4a, 6a end hooks 10, 20 fall prevention aids 11, 21 aid body 12, 22 upper hook locking Parts 13, 23 Lower hook locking part 13a Hook locking member 14, 24 Upper hooking part 22 First upper locking part 32 Second upper locking part 32a Hook locking member 41 First lower locking part 41a Hook locking Member 42 Second Lower Locking Part

Claims (4)

A fall prevention aid that is detachably attached to a stanchion erected on a loading platform of a vehicle or the like and used to prevent falling from the loading platform,
an auxiliary tool body detachably attached to the stanchion so as to extend in the vertical direction of the stanchion;
An end hook of an upper fall prevention rope extending horizontally on the loading platform extends from the upper end of the auxiliary tool main body in a direction crossing the longitudinal direction of the auxiliary tool main body. an upper hook locking portion to be locked;
An end hook of a downward fall prevention rope extending horizontally on the loading platform extends from the lower end of the auxiliary tool main body in a direction crossing the longitudinal direction of the auxiliary tool main body. a lower hook locking portion to be locked;
with
A fall prevention aid characterized in that the aid main body is formed in a flexible, vertically extending belt-like shape attached to the stanchion so as to cover more than half of the side surface of the stanchion in cross section. equipment. 2. A fall prevention aid according to claim 1, wherein the upper end of said aid main body is provided with an upper hanging portion that is hung on the upper end surface of said stanchion. The upper hook engaging portion is formed in a substantially U-shape or a substantially V-shape, one end is attached to one side edge of the band-shaped auxiliary tool main body, and the other end is attached to the other side of the auxiliary tool main body. attached to the edge,
The lower hook locking portion has two hook locking members,
The base end of one of the hook locking members is attached to one side edge of the auxiliary tool body, and the base end of the other hook locking member is attached to the other side edge of the auxiliary tool body. 3. The fall prevention aid according to claim 1 or 2, wherein the upper hook engaging portion includes a first upper engaging portion and a second upper engaging portion;
The first upper engaging portion is formed in a substantially U-shape or a substantially V-shape, one end is attached to one side edge of the band-shaped auxiliary tool main body, and the other end is attached to the auxiliary tool main body. attached to the side edges,
The second upper locking portion includes two hook locking members,
One of the hook engaging members has a base end attached to one side edge of the auxiliary tool main body and extends in a direction crossing the longitudinal direction of the auxiliary tool main body through the surface side of the auxiliary tool main body. exist,
The other hook locking member has a base end attached to one side edge of the auxiliary tool main body and extends in a direction crossing the longitudinal direction of the auxiliary tool main body through the back side of the auxiliary tool main body. exist,
the lower hook engaging portion includes a first lower engaging portion and a second lower engaging portion;
The first lower locking portion includes two hook locking members,
The base end of one of the hook locking members is attached to one side edge of the auxiliary tool body, and the base end of the other hook locking member is attached to the other side edge of the auxiliary tool body,
3. The fall prevention aid according to claim 1 or 2, wherein the second lower locking portion has a base end attached to the lower end of the aid main body.

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