JP2018131085A - Scaffold for loading space - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a scaffold for loading space that is improved in safety and workability.SOLUTION: A scaffold for loading space comprises: a first footboard; a lock part which is provided on the back of the first step board so as to lock the first step board to a side plate of a loading space of a vehicle; a pair of support parts which are provided below the first step board to the right and left; and a second step board which is provided at a storage part between the pair of support parts, the second step board being pivoted on the pair of support parts to make a choice between a first attitude in which a front end thereof is stored in the storage part and a second attitude in which the front end thereof extends forward from the storage part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a loading platform scaffolding.

  Some vehicles such as trucks are provided with side plates called side plates on the outer periphery of the loading platform. The worker carries out the cargo handling work by raising the tilt plate upward or tilting it downward according to the work.

  In this regard, Patent Document 1 describes a loading platform step that can be easily installed and removed from the upper end surface of a tilt plate that is tilted downward.

JP 2006-182223 A

  By the way, for example, when an operator ties a load loaded on a cargo bed with a lashing belt or the like and fixes the load, the worker may get on the upper end face of the raised plate in a standing state.

  However, the upper end surface of the tilted plate is narrow and the workability is very poor. Further, since the upper end surface of the tilted upright plate is at a high position with respect to the operator, it is not easy to climb up and down there, and the workability is very poor.

  Even if the loading platform step described in Patent Document 1 is attached to the tilted plate, the loading platform step is at a high position with respect to the operator, so it is not easy to go up and down there. In addition, when there is a loading platform step at a position where the lashing belt is fixed, the loading platform step becomes an obstacle, so it is necessary to remove it once and workability is poor.

  The present invention has been made in view of the above problems, and it is an object of the present invention to provide a platform for scaffolding with improved workability.

  In order to solve the above-described problems, a platform scaffold according to the present invention is provided on a first tread plate and a back surface of the first tread plate, and is an engagement for locking the first tread plate to a side plate of the load platform. A stop portion, a pair of support portions provided on the left and right of the first tread plate, and a second tread plate provided in a storage portion between the pair of support portions, The tread is pivotally supported by the pair of support portions so that a first posture in which the tip is housed in the housing portion and a second posture in which the tip extends forward from the housing portion can be selected. It is what.

  One end of the loading platform scaffold may be pivotally supported by the pair of support portions, and the other end may include a pair of connecting portions that pivotally support the left and right ends of the second tread.

  The rear end of the second tread plate is pivotally supported by the pair of connecting portions, and the tip of the second tread plate can be stored between the pair of connecting portions by rotating the rear ends. The pair of connecting portions storing the two treads can be configured such that the other end can be stored in the storing portion between the support portions by rotating one end of the connecting portion.

  The pair of coupling portions may be provided with a buffer member on the back side.

  The second tread includes a locking member behind a shaft that is pivotally supported, and the locking member is locked to the pair of connecting portions to be fixed substantially horizontally. it can.

  The pair of support portions may be formed to have a width that decreases from the top to the bottom when viewed from the side.

  When viewed from the side in the first posture in which the tip of the second tread is housed in the housing portion between the support portion or the coupling portion, the second tread or the second tread and the connection The part can be hidden by the support part.

  The support portion may include a lock mechanism that locks / releases the rotation operation of the connecting portion that houses the second tread.

  The first step board may be formed in a rectangular shape that is long on the left and right, and a notch may be formed on the back side.

  It has a pair of locking parts having hook-shaped parts that hook on the upper end of the side plate of the vehicle loading platform, and has a tread plate fixed on the back of the hook-shaped parts of the locking parts so as to be almost horizontal in use. The platform scaffold is provided with at least one cutout portion at a side edge portion of the tread plate on the locking portion side.

  According to the present invention, there is provided a platform for a platform with improved workability.

It is the perspective view which showed the use condition of the platform scaffold by one Embodiment of this invention. It is the perspective view which expanded and showed the lock mechanism which locks / releases the rotation operation | movement of the connection part of the platform scaffold by one Embodiment of this invention. It is the perspective view which showed the state which folded the 2nd step board of the scaffold for loading platforms by one Embodiment of this invention. It is the perspective view which showed the state which folded the 2nd step board and connection part of the scaffold for loading platforms by one Embodiment of this invention. It is the side view which compared and showed the folding state of the scaffold for loading platforms by one Embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view showing a usage state of a loading platform scaffold 1 according to the present embodiment.

  As shown in FIG. 1, the platform scaffold 1 according to the present embodiment includes a pair of locking portions 3 each having a hook-like portion 3 a that is hooked on the upper end portion of a lift plate 2 of a vehicle platform such as a truck. Yes.

  In the description of the present invention, it is referred to as an “anchor plate” including a side plate of a stationary vehicle bed that does not stand up or fall for convenience.

  On the back surface of the hook-shaped portion 3 a of the pair of locking portions 3, when the locking portion 3 is put on the upper end portion of the tilt plate 2, the upper end surface thereof forms a plane substantially the same as the upper end surface of the tilt plate 2. The first tread plate 4 is fixed.

  A cutout portion 4 a is provided at a side edge portion of the first step plate 4 on the tilt plate 2 side. The notch 4a will be further described later.

  Below the first footboard 4, a pair of support portions 5 are provided on the left and right as viewed from the front. The support portion 5 is fixed to the back surface of the hook-shaped portion 3a of each locking portion 3 and the lower surface of the first foot plate 4 so as to support the first foot plate 4 from below.

  The pair of support portions 5 are formed so that the width decreases from the upper side to the lower side when viewed from the side.

  A support portion 6 is provided inside the lower end portion of each support portion 5. Holes are provided in the support portions 6, and a connecting shaft 7 is inserted into the holes of the support portions 6.

  The connecting shaft 7 is stretched between the two support portions 6, and a pair of connecting portions 8 are pivotally fitted to the connecting shaft 7.

  As shown in FIG. 1, the connecting portion 8 is formed so as to increase in width from the upper side to the lower side when viewed from the side when suspended.

  A hole is provided at the lower end of the connecting portion 8, and a shaft 9 is passed through the hole.

  The shaft 9 pivotally supports a second tread plate 10 for an operator to put his foot on. The shaft 9 supports the second tread plate 10 so that it can rotate between a certain angle.

  Looking at the connecting portion 8, one end of the connecting portion 8 is pivotally supported by the pair of support portions 5, and the other end is pivotally supported by the left and right ends of the rear portion of the second tread plate 10.

  A concave portion 8 a is provided at the rear end portion of the lower portion of the connecting portion 8. On the other hand, a locking member 11 is provided behind the shaft 9 of the second footboard 10. In this embodiment, the locking member 11 is a round bar, and is composed of both ends of the round bar protruding from both side surfaces of the second tread plate 10.

  The second tread plate 10 rotates about the shaft 9, but when the second tread plate 10 is deployed, the locking member 11 is locked to the concave portion 8 a of the connecting portion 8, so that it is fixed substantially horizontally during use.

  A pressing member 12 made of, for example, a round bar is fixed between the pair of connecting portions 8. The second tread plate 10 can rotate about the shaft 9 when folded, and can rotate until the upper surface of the second tread plate 10 abuts against the presser member 12 and is locked.

  As described above, the second tread plate 10 can be rotated between the expanded state in which the locking member 11 is locked in the recess 8 a and the folded state in which the upper surface is locked by the presser member 12. It has become.

  Further, the connecting portion 8 is in the use state shown in FIG. 1 and has an abutting portion 8b that extends in the direction of the plate 2 and is bent so as to be bent inward at a substantially right angle.

  A buffer member 13 is provided on the side surface of the contact portion 8b on the tilt plate 2 side.

  The buffer member 13 prevents the connection plate 8 or the track body from being damaged when the connection unit 8 is deployed or when an operator puts weight on the second tread plate 10.

  Similarly, a buffer member 14 is provided at the lower end portion of the side surface of the locking portion 3 facing the tilt plate 2. The buffer member 14 also protects the tilt plate 2 and the track body when the operator puts weight on the second tread plate 10 or the like. For the material of the buffer members 13, 14, any buffer member such as rubber can be used.

  Further, a buffer member 3b is also provided inside the hook-shaped portion 3a of the locking portion 3.

  The platform scaffold 1 of this embodiment is foldable and has a lock mechanism that locks the folded state.

  FIG. 2 shows the lock mechanism in an enlarged manner. Hereinafter, the locking mechanism will be described with reference to FIGS. 1 and 2.

  As shown in FIG. 1, lock pins 15 protrude outwardly on both side surfaces of the connecting portion 8. On the other hand, a notch 16 is provided in the side wall portion of the support portion 5 that intersects the track of the lock pin 15 when the connection portion 8 rotates about the connection shaft 7 so that the lock pin 15 can pass therethrough. .

  The lock mechanism further has an opening / closing element 17 for opening / closing operation.

The opening / closing element 17 is supported inside the housing 18 so as to be movable up and down, and the lower end portion 17 a is refracted in the rear side, that is, in the direction approaching the tilt plate 2. The opening / closing element 17 further has an operation portion 17b extending to the front side.
The corresponding part of the side wall of the support part 5 is provided with an elongated opening 19 so that the operation part 17b of the opening / closing element 17 penetrates and protrudes to the front side.

  A spring 20 is attached to the upper end of the switch 17 to urge the switch 17 downward. When the switch 17 is not operated, the operation unit 17 b is locked to the lower end of the opening 19.

  When the connecting portion 8 is folded, the lock pin 15 passes through the notch 16 of the support portion 5 and hits the lower end portion 17 a of the opening / closing element 17. When the lock pin 15 is further pushed in, the switch 17 is pushed up by the inclination of the lower end portion 17 a of the switch 17, and the lock pin 15 passes through the lower end of the switch 17. After the lock pin 15 passes, the opening / closing element 17 is lowered to the original position by the force of the spring 20 to prevent the lock pin 15 from returning backward.

  When unfolding the connecting portion 8, the operating portion 17b is pushed up with a finger. As a result, the opening / closing element 17 rises against the force of the spring 20, and the lock pin 15 can go outside through the lower side.

  Next, the folding and unfolding operations of the loading platform scaffold 1 of this embodiment will be described.

  FIG. 3 shows a state in which the second footboard 10 is folded. In FIG. 3, the second tread plate 10 has a first posture in which the tip is housed between the connecting portions 8. On the other hand, in FIG. 1, the second tread plate 10 has a second posture in which the tip extends forward from the storage portion between the connecting portions 8. The second footboard 10 can select the first posture and the second posture.

  FIG. 4 shows a state in which the connecting portion 8 is further rotated from the state of FIG. 3 and the connecting portion 8 is stored in the storage portion between the support portions 5.

  As described above, the second tread plate 10 is supported at its rear ends by the pair of connecting portions 8 via the shaft 9, and the tip of the second tread plate 10 is rotated around the shaft 9. 8 can be stored. Further, the pair of connecting portions 8 in the state in which the second tread plate 10 is housed is rotated about its one end (the end portion pivotally supported by the connecting shaft 7) as the other end (second tread plate 10). Can be stored in a storage portion between the support portions 5.

  When the connecting portion 8 is completely pushed into the storage portion between the support portions 5, the lock pin 15 (not shown in FIG. 4) is locked by the lock mechanism, and the connecting portion 8 and the operation portion 17b of the switch 17 are not operated unless the operating portion 17b is operated. The second footboard 10 does not unintentionally expand.

  Further, the second tread plate 10 is pressed by the presser member 12, and the second tread plate 10 does not swing and the tip does not swing outward.

  FIG. 5 shows a state in which the connecting portion 8 and the second tread plate 10 are expanded (FIG. 5A), and a state in which the connecting portion 8 is expanded and only the second tread plate 10 is folded (FIG. 5B). And the state which looked at the state which folded the connection part 8 and the 2nd step board 10 (FIG.5 (c)) from the side so that comparison was possible is shown.

  As shown in FIG. 5A, in a state where the connecting portion 8 and the second tread plate 10 are deployed, the tip of the second tread plate 10 extends forward from the connecting portion 8 (the second tread plate 10 has the first tread). 2), the upper surface of the second tread plate 10 is maintained substantially horizontal by the locking member 11 being locked in the recess 8a of the connecting portion 8. For this reason, the operator can climb the second tread board 10 with his / her foot.

  As a result, it is possible to easily climb up to the height of the upper surface of the tilting plate 2 without climbing on the upper surface of the tilting plate 2 by stepping on the protrusions of the truck bed as in the prior art.

  As shown in FIG. 5B, in a state where the second tread plate 10 is folded, the second tread plate 10 is completely accommodated in the accommodating portion between the connecting portions 8 (the first tread of the second tread plate 10). Attitude).

  When the second tread plate 10 is folded, the second tread plate 10 passes through a vertical state and tilts until the upper surface contacts the presser member 12, so that the posture is stable in the folded state, and the second tread plate 10 is moved by gravity. There is no automatic deployment.

  FIG. 5C shows a state where the connecting portion 8 and the second tread plate 10 are all folded. As shown in the figure, the connecting portion 8 is completely housed in the housing portion between the support portions 5.

  The support portion 5 of the present embodiment has a width that decreases from the top to the bottom when viewed from the side, whereas the connection portion 8 increases in width from the top to the bottom in a deployed state. In the completely folded state as shown in 5 (c), the shapes of the side surfaces of the support portion 5 and the connecting portion 8 are aligned with each other, and the connecting portion 8 is completely stored in the storage portion between the support portions 5. . Further, the second tread plate 10 is completely accommodated in the storage portion between the connecting portions 8.

  That is, in the first posture in which the tip of the second tread plate 10 is housed in the housing portion between the connecting portions 8, the second tread plate 10 and the connecting portion 8 are all folded when viewed from the side. The second tread plate 10 and the connecting portion 8 are hidden by the support portion 5.

  Further, the second tread plate 10 is housed in the back of the housing part between the connecting parts 8, and the rocking is suppressed by the presser member 12, so that a stable housed state is obtained.

  Further, unless the lock pin 15 is engaged with the lower end portion 17a of the switch 17 and the lock is intentionally released, the connecting portion 8 and the second tread plate 10 do not open outward.

  Thus, in the folded state, the loading platform scaffold 1 has a small shape that is convenient to carry, and can be carried and used only when necessary for loading and unloading.

  Furthermore, according to the platform scaffold 1 of this embodiment, the safety | security and workability | operativity of the operation | work for fixing a load with a lashing belt etc. are improved significantly. This will be described below.

  As shown in FIG. 1, in the state where the platform scaffold 1 is hung on the tilting plate 2, the upper surface of the first step plate 4 is a flat surface having the same height as the upper surface of the tilting plate 2. The upper surface of the upper plate and the upper surface of the tilt plate 2 are combined to form a scaffold 21 having an area where an operator can safely stand.

  Further, the first step board 4 is formed with a notch 4a. The notch 4a has a lashing belt 22 at the center of the scaffold 21 formed by the upper surface of the tilt plate 2 and the upper surface of the first step board 4. A through-hole 23 that can be passed is formed.

  When fixing the load, one end of the lashing belt 22 is fixed to a hook of the truck bed, the other end is passed through a buckle for connecting to another lashing belt, and the end of the lashing belt coming out of the buckle is pulled. So that the cargo is tightly bound.

  If the platform scaffold 1 of this embodiment is used, the lashing belt 22 is passed through the through hole 23 in the center of the scaffold 21, and the operator places his / her feet on both sides of the through hole 23 on the scaffold 21, and the center line of the body The lashing belt 22 can be pulled along. Since the lashing belt 22 can be pulled along the center line of the body, the force can be easily applied and the scaffold 21 is stable, so that the work can be performed safely and efficiently. Further, when there is a loading platform step at a position where the lashing belt 22 is fixed, it is not necessary to remove the loading platform scaffold once.

  In the present embodiment, the support portion 5 supports the second tread plate 10 via the connecting portion 8, but in other embodiments, the second direct portion is directly supported by the support portion 5 without the connecting portion 8. The tread board 10 may be supported.

  In this case, a locking member may be provided on the support portion in order to keep the second footboard substantially horizontal in the deployed state.

  Even in the platform scaffolding according to the embodiment that does not have the connecting portion, by having the second tread plate 10, it is easy to ascend and descend to the height of the upper surface of the tilt plate 2. Similarly, it is possible to easily form a scaffold that is substantially the same plane as the upper surface of the tilt plate 2 and has an area sufficient for an operator to stand. In addition, the second tread plate 10 is completely stored in the storage portion between the support portions 5 in the folded state, and the small shape that is easy to carry is the same. Furthermore, a through hole for passing the lashing belt is formed in the center of the scaffold formed by the upper surface of the first tread plate 4 and the upper surface of the tilting plate 2, and the workability and safety of the lashing belt tightening work are greatly improved. The same is true.

  A notch is provided in the side edge of the first step board on the side of the tilting plate, and a through hole for passing the lashing belt is formed in the center of the scaffold formed by the upper surface of the first stepping plate and the upper surface of the tilting plate. It is possible to provide a platform scaffold for which attention is paid and the second footboard is omitted.

  Each member of the scaffold for loading platform of the present invention can be made of aluminum, for example, and is configured to be lightweight and compact.

  In addition, a plurality of raised linear patterns are provided on the upper surfaces of the first and second footboards, thereby providing an anti-slip effect.

  Based on the above description, those skilled in the art may be able to conceive additional effects and various modifications of the present invention, but the aspects of the present invention are not limited to the above-described embodiments. Various additions, modifications, and partial deletions can be made without departing from the concept and spirit of the present invention derived from the contents defined in the claims and equivalents thereof.

DESCRIPTION OF SYMBOLS 1 Scaffolding for loading platforms 2 Lifting plate 3 Locking portion 3a Hook-shaped portion 3b Buffer member 4 First tread plate 4a Notch portion 5 Supporting portion 6 Supporting portion 7 Connecting shaft 8 Connecting portion 8a Recessed portion 8b Abutting portion 9 Axis 10 Second Footboard 11 Locking member 12 Pressing member 13 Buffering member 14 Buffering member 15 Locking pin 16 Notch 17 Opening and closing element 17a Opening and closing end 17b Opening and closing element operating part 18 Housing 19 Opening part 20 Spring 21 Scaffolding 22 Lashing belt 23 Through hole

In order to solve the above-described problems, a platform scaffolding according to an aspect of the present invention is provided on a first tread plate and a back surface of the first tread plate, and the first tread plate is used as a side plate of a vehicle platform. A locking portion for locking; a pair of support portions provided on the left and right sides of the first tread; and a first shaft pivotally supported directly or via a connecting portion with respect to the pair of support portions The second tread plate has a first posture in which the tip end is accommodated between the pair of support portions , and the tip end extends forward of the pair of support portions. it is selectably rotatably supporting the second position, the first stepping plate is formed in a rectangular shape elongated in the left-right, in which notches are formed in the rear side.
Further, a platform scaffolding according to another aspect of the present invention is provided on a back surface of a first tread plate and the first tread plate, and is an engagement for locking the first tread plate to a side plate of a vehicle bed. A stop portion, a pair of support portions provided on the left and right sides of the first tread plate, and a second tread plate pivotally supported on the pair of support portions directly or via a connecting portion, The second tread has a first posture in which the tip is housed between the pair of support portions, and a second posture in which the tip extends forward from the pair of support portions. The pair of support portions are formed so that the width is reduced from the upper side to the lower side when viewed from the side.

The loading platform for scaffolds, comprises a pair of said connecting portion, said pair of connecting portions has one end pivotally supported to said pair of supports, so the other end for supporting the left and right ends of the second treadle can do.

The rear end of the second tread plate is pivotally supported by the pair of connecting portions, and the tip of the second tread plate can be stored between the pair of connecting portions by rotating the rear ends. The pair of connecting portions storing the two treads can be configured so that the other end can be stored between the pair of support portions by rotating one end of the connecting portion.

Prior Symbol first position, can be when viewed from the side, the second is treadle and the connecting portion before reporting, so as hidden to the support portion.

The support portion may include a lock mechanism that locks / releases the rotation operation of the pair of connecting portions that house the second tread.

In addition, a platform scaffold according to still another aspect of the present invention has a pair of locking portions having hook-shaped portions that are applied to the upper ends of the side plates of the vehicle loading platform, and the rear surface of the hook-shaped portions of the locking portions. those which have a substantially fixed footplate to be horizontal, at least one notch is provided on a side edge of the engaging portion side of the stepping plate in a use state to.

Claims (10)

A first tread;
A locking portion provided on the back surface of the first tread, and for locking the first tread to a side plate of a vehicle bed;
A pair of support portions provided on the left and right of the lower side of the first tread;
A second tread provided in a storage portion between the pair of support portions,
The second tread plate is provided on the pair of support portions so that a first posture in which the tip is housed in the housing portion and a second posture in which the tip extends forward from the housing portion can be selected. A platform scaffolding that is pivotally supported. The platform scaffold according to claim 1,
A loading platform scaffolding comprising a pair of connecting portions, one end of which is pivotally supported by the pair of support portions and the other end of which is pivotally supported by the left and right ends of the second tread. The platform scaffold according to claim 2,
The rear end of the second tread is pivotally supported by the pair of connecting portions, and the tip of the second tread can be stored between the pair of connecting portions by rotating the rear ends.
The pair of connecting portions that store the second treads can be stored in the storage portion between the support portions at the other end by rotating one end of the connecting portion.   The scaffold for a cargo bed according to claim 2 or 3, wherein a buffer member is provided on the back side of the pair of connecting portions.   The second tread plate includes a locking member behind a shaft that is pivotally supported, and the locking member is locked substantially horizontally by being locked to the pair of connecting portions. The scaffold for a cargo bed as described in any one of 4.   The platform scaffolding according to any one of claims 1 to 5, wherein the pair of support portions are formed so as to extend from the upper side to the lower side when viewed from the side, and the width is reduced.   When viewed from the side in the first posture in which the tip of the second tread is housed in the housing portion between the support portion or the coupling portion, the second tread or the second tread and the connection The platform scaffold according to any one of claims 1 to 6, wherein the portion is hidden by the support portion.   The said support part is a platform scaffolding as described in any one of Claims 2-7 provided with the locking mechanism which locks / releases the rotation operation | movement of the connection part which accommodated the said 2nd tread.   The platform scaffold according to any one of claims 1 to 8, wherein the first tread is formed in a rectangular shape that is long on the left and right, and a notch is formed on the back side. A pair of locking portions having a hook-like portion that hangs on the upper end of the side plate of the vehicle bed;
Having a tread plate fixed on the back surface of the hook-like portion of the locking portion so as to be substantially horizontal in use;
A loading platform scaffold, wherein at least one notch is provided at a side edge of the tread plate on the side of the locking portion.

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