JP7200578B2 - Cart for transporting panel materials - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carriage for transporting rectangular flat panel materials.

Conventionally, it is called a handbarrow unicycle, and a carrier is provided on a frame formed of steel pipes, etc., wheels are formed below the front of the carrier, and a handle provided at the rear of the carrier is pushed to move forward. is known (for example, Patent Document 1). Such a push unicycle has a simple structure and only one wheel touches the ground when traveling, so that it can be used easily even on narrow scaffolds because it can turn in a small radius. It is widely used in applications such as transportation of earth and sand and materials, and agricultural work.

In addition, for example, a trolley provided with casters at each of the four corners, a plurality of partition rods are provided at equal intervals, and the plate glass is inserted between the partition rods so that the plate glass is separated during transportation. A carriage that suppresses damage due to collision has been proposed (for example, Patent Document 2).

Utility Model Registration No. 3019948 JP 2007-320563 A

By the way, when a rectangular flat panel material is transported by a wheelbarrow carriage such as the one disclosed in Patent Document 1, there is a risk that the panel material may be dropped during transportation because its posture is not stable. In addition, depending on the size of the panel material, it is difficult to place the panel material on the carriage, and the mounted panel material protrudes to both sides of the carriage, making it difficult to advance through narrow passages.

On the other hand, it is difficult to use the trolley as in Patent Document 2 at construction sites with rough road surfaces or agricultural work sites because it cannot pass through narrow scaffolding and it is difficult to turn in a small radius.

Therefore, the present invention provides a carriage for transportation that can pass through narrow passages and scaffoldings, has a sharp turning radius, and can stably transport rectangular flat panel materials without dropping them. The purpose is to provide a carriage.

The panel material carrier of the present invention includes one wheel provided at the lower front portion of the vehicle body and a frame supported by the wheel, and is a panel material carrier for carrying a rectangular flat panel member. The frame includes a pair of handles extending rearward in the direction of travel at a distance from each other, a pair of upper frame side portions extending forward in the direction of travel from the handles, and the pair of upper frame side portions. an upper frame front portion that connects the front ends of each other, a pair of stands that are formed behind the wheels and extend below the upper frame side portions, and a connecting portion that is constructed between the pair of stands; A plurality of guide grooves are formed side by side in the front portion of the upper frame so as to be able to guide the side surface of the panel material rearward in the direction of travel, and the side surface of the panel material is connected to the connection portion and the upper part at the connection portion. A plurality of guide portions are arranged side by side to guide between the front portion of the frame and into which the downward facing corner portion of the panel material can be inserted, and when the pair of stands are placed on a horizontal ground, the upper portion The side portion of the frame has a downward slope toward the front in the direction of travel, and a fall prevention projection protruding upward is formed at a position closer to the front in the direction of travel of the side portion of the upper frame, so that the panel member can be moved in the longitudinal direction. The panel member can be placed across the pair of upper frame side portions in a state where the front end portion of the panel member in the traveling direction is in contact with the fall prevention projection toward the left and right sides in the traveling direction. In addition, one corner of the panel material faces upward, and a diagonal corner of the one corner faces downward between the upper frame front part and the connecting part, and the panel material can be placed so that the side surfaces of the upper frame front portion and the connecting portion are in contact with each other.

In the panel material carrier of the present invention, elastic belts are provided at the front end of one of the upper frame side portions and the rear end of the other upper frame side portion so that the respective ends can be fastened and removed. is bridged over the panel material and can fix the panel material.

The panel material carrier of the present invention is characterized in that the panel material is a formwork panel.

INDUSTRIAL APPLICABILITY According to the panel material carrier of the present invention, the panel material carrier is provided with one wheel and a frame supported by the wheel. can be done. Then, the panel member is placed across the pair of upper frame side portions so that the longitudinal direction of the panel member faces the left and right sides of the traveling direction and one panel surface of the panel member contacts the pair of upper frame side portions. Therefore, when the handle of the carriage for panel materials is lifted and the carriage is advanced, a plurality of panel materials can be stacked vertically and loaded on the carriage. In addition, one corner of the panel material faces upward, and a diagonal corner of one corner faces downward between the upper frame front part and the connecting part, and the side surface of the panel material is Since the panel material can be placed so as to abut on the front part of the upper frame and the connecting part, even if the panel surface dimension of the panel material is large, the panel material can be projected in both side directions of the carriage for transporting the panel material. Therefore, the panel material can be transported using the panel material carrier even in a narrow passage.

According to the panel material carrier of the present invention, since a plurality of guide grooves capable of guiding the side surfaces of the panel material are formed side by side in the front part of the upper frame, the panel material is moved from the front of the panel material carrier so that the panel surface is in the advancing direction. By arranging the panel material so that it becomes a vertical plane parallel to the , and aligning the side surface of the panel material along the guide groove, the panel material is arranged so that one corner of the panel material faces upward and one corner of the panel material The panel member can be placed so that the diagonal corners face downward between the upper frame front portion and the connecting portion, and the side surfaces of the panel material abut against the upper frame front portion and the connecting portion.

According to the panel material carrier of the present invention, since a plurality of guide portions are arranged side by side to guide the side surface of the panel material to the connecting portion, and the corner portion of the panel material can be inserted, the panel member can be moved from the rear side of the panel material carrier. By arranging the panel material so that the panel surface is a vertical plane parallel to the direction of travel and guiding the panel material by the guide part, one corner of the panel material faces upward and the diagonal corner of the corner is arranged. can be placed between the front part of the upper frame and the connecting part so as to abut against the front part of the upper frame and the connecting part so that the corners of the panel material are inserted into the guide parts. , the posture of the panel material can be stabilized.

According to the panel material carrier of the present invention, elastic belts whose ends can be fastened and released are provided at the front end of one upper frame side portion and the rear end of the other upper frame side portion, and the belt is the panel member. Since the panel material can be fixed by being stretched over the belt, it is possible to more reliably prevent the panel material from falling off by stretching the belt in a sash pattern over the panel material placed on the panel material transportation cart. can be prevented.

According to the panel material carrier of the present invention, the panel material is a formwork panel used in foundation work, so it will be used at various construction sites, and at sites where wide passages cannot always be secured. Even in a narrow aisle, it is possible to pass through with a relatively small turn.

The perspective view which shows the whole structure of the carriage of a panel material. The side view explaining the self-supporting state of the carriage of a panel material. The perspective view which shows the state which loaded the panel material by laying horizontally on the carrier of a panel material. FIG. 11 is a side view for explaining a state in which a panel material carrier on which panel materials are loaded in a horizontal position is advanced; FIG. 4 is a perspective view showing a process of loading a panel material vertically on a carriage for panel materials from the front. The perspective view which shows the process of loading a panel material vertically on the carriage of a panel material from back. FIG. 4 is a perspective view showing a state in which panel materials are loaded vertically on a panel material carrier. FIG. 11 is a side view for explaining a state in which a carriage for panel materials on which panel materials are loaded in a vertical position is advanced;

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a carriage 1 for panel materials according to the present invention will be described below with reference to the drawings. A carriage 1 for transporting a panel material in this embodiment is a carriage used for transporting a formwork panel as a rectangular flat panel material 2 at a construction site. The formwork panel as the panel material 2 forms a formwork when placing the foundation. Although not shown, the inner surface of the formwork is flat, and the outer surface of the formwork has ribs. It is a steel formwork panel that is provided and reinforced. It should be noted that the carriage 1 for transporting panel materials of the present invention is not limited to one used for transporting formwork panels at construction sites, and it can be It can be used when transporting the rectangular flat panel material 2 in .

As shown in FIGS. 1 and 2, the carriage 1 made of panel materials includes one wheel 3 provided at the front lower part of the vehicle body, and a frame 4 supported by the wheel 3 . In addition, in this embodiment, the direction of travel of the carriage 1 for the panel material is the forward direction, and the direction opposite to the direction of travel is the rearward direction. Also, the horizontal direction perpendicular to the traveling direction is defined as the left-right direction.

The frame 4 includes a pair of handles 5, a pair of upper frame side portions 6 continuous from the handles 5 and extending forward in the direction of travel, and an upper frame front connecting the front ends of the pair of upper frame side portions 6. 7, a wheel holding portion 8 formed below the front side of the upper frame side portion 6, a pair of stands 9 formed behind the wheel holding portion 8, and a pair of stands 9. A connecting portion 10, a pair of fall prevention protrusions 11 parallel to each other provided on the upper frame side portion 6, a guide groove 12 formed side by side on the upper frame front portion 7, and a guide portion 13 formed side by side on the connecting portion 10. and a belt 14 whose ends are detachably fixed to the front end of one upper frame side 6 and the rear end of the other upper frame side 6 respectively.

The pair of handles 5 are steel pipes arranged on both sides in the left-right direction so as to extend substantially rearward. The pair of handles 5 may be provided with non-slip rubber or the like on the surface. As shown in FIG. 2, the pair of handles 5 are inclined rearward when the stand 9 is in contact with the ground and the carriage 1 made of panel material stands on its own. Also, the pair of handles 5 are formed so as to gradually widen rearward in directions away from each other. The distance between the pair of handles 5 is the distance that a worker can enter between them. Operate the carriage 1.

The upper frame side portion 6 is a steel pipe that is continuous with the handle 5 and is formed in a straight line toward the front. The upper frame side portion 6 slopes downward toward the front, and the two upper frame side portions 6 gently narrow and extend forward. A portion between the upper frame side portion 6 and the handle 5 is steeper than the other portion, and the upper frame side portion 6 and the handle 5 are separated. The front ends of the two upper frame side portions 6 are curved toward each other to form an upper frame front portion 7 . The upper frame front portion 7 is a steel pipe continuous with the upper frame side portion 6 and connects the front ends of the two upper frame side portions 6 to each other. The upper frame front portion 7 is formed in a horizontal straight line.

The wheel holding portion 8 includes a bearing portion 15 for supporting the shaft of the wheel 3, a support portion 16 formed in a U shape to which the bearing portion 15 is fixed, and extending around from both sides of the wheel 3 to the front side, and an upper frame. It has a forearm portion 17 that hangs down from the side portion 6 and connects the upper frame side portion 6 and the support portion 16 .

The stand 9 is a steel pipe curved at the bottom so as to have a V shape when viewed from the side, and is arranged behind the wheel holding portion 8 . Stands 9 are provided below the two upper frame side portions 6, respectively. Each of the two stands 9 has a rear end fixed at a position closer to the rear of the upper frame side portion 6, and a leg rear portion 18 extending downward from the rear end is formed, and the lower end of the leg rear portion 18 is curved upward. A curved portion 20 is formed to extend upward from the curved portion 20 and a front leg portion 19 is formed in front of the curved portion 20 . The leg front part 19 is below the upper frame side part 6 and is curved in a direction approaching the other stand 9 , and a front end connecting part 21 is provided between the front ends of the stand 9 . The ends of the U-shaped support portions 16 of the wheel holding portion 8 are fixed to the front end connection portions 21 respectively. A rear arm portion 22 that connects with the upper frame side portion 6 is formed at the front end of the stand 9 . A front leg connecting portion 23 is provided between the intermediate portions of the front leg portion 19 of one stand 9 and the front leg portion 19 of the other stand 9 . Further, the leg rear portion 18 of the stand 9 has the connecting portion 10 installed on the upper side and the rear leg connecting portion 24 installed on the lower side. The connecting portion 10 and the rear leg connecting portion 24 are steel pipes extending in the horizontal direction, which are spanned between the two stands 9 and fixed by welding.

The fall prevention protrusion 11 is formed of a reinforcing bar and protrudes upward from a position near the front of the upper frame side portion 6 . The fall prevention projections 11 are welded and fixed to positions forward of the rotation axis of the wheels 3 of the respective upper frame side portions 6 and protrude upward. It is fixed to the part 16 . The lower side of the fall prevention projection 11 is arranged along the forearm portion 17 .

The guide groove 12 is a groove formed between the front reinforcing bars 25 by welding five front reinforcing bars 25 to the upper side of the upper frame front portion 7 . The panel member 2 can be guided rearward in the traveling direction by being inserted into the . The distance between each of the five front reinforcing bars 25 is approximately equal to the thickness of the panel material 2 or slightly longer than the thickness of the panel material 2 . Two reinforcing bars on the left and right ends of the front reinforcing bars 25 forming the guide groove 12 extend rearward and are welded and fixed to the front end connecting portion 21 and the rear leg connecting portion 24 . Among the front side reinforcing bars 25 forming the guide groove 12, the middle three bars are cut short and fixed only to the upper frame front portion 7 by welding.

The guide portion 13 has five lower reinforcing bars 26 installed on the front end connecting portion 21 and the rear leg connecting portion 24, and the upper end thereof is welded to the connecting portion 10, and the lower end thereof is located at an intermediate position between the lower reinforcing bars 26. The panel member 2 can be sandwiched between the rear reinforcing bars 27 to guide the panel member 2 downward in the forward direction. Of the five lower reinforcing bars 26, two reinforcing bars at both left and right ends extend forward to become front reinforcing bars 25 at both left and right ends. In addition, among the lower reinforcing bars 26, the three intermediate ones are installed and welded only between the front end connecting portion 21 and the rear leg connecting portion 24. As shown in FIG. Among the lower reinforcing bars 26 , the middle three front reinforcing bars 25 are welded to the upper frame front portion 7 and arranged on the extension line of the middle three. The distance between each of the lower reinforcing bars 26 and the rear reinforcing bars 27 is approximately equal to the thickness of the panel material 2 or slightly longer than the thickness of the panel material 2 .

The belt 14 is formed in an elastic band shape whose ends can be fastened and removed from the front and rear ends of the upper frame side portion 6 . The ends of the belt 14 are, for example, loop-shaped, one end of which can be hooked on the fall prevention projection 11 formed near the front end of the upper frame side portion 6, and the other end of which can be hooked on the handle 5 and attached to the upper frame side portion. 6 is located near the rear end. In FIG. 1, one belt 14 is fixed near the front end and rear end of one upper frame side portion 6, and the other belt 14 is fixed near the front end and rear end of the other upper frame side portion 6. However, when fixing the panel material 2, the end of one of the belts 14 is diagonally laid over the front end of one upper frame side portion 6 and the rear end of the other upper frame side portion 6, respectively. , the panel material 2 is fixed. In the present embodiment, the belt 14 has a looped end and can be fastened to and removed from the front and rear ends of the upper frame side portion 6, but the shape of the end of the belt 14 is limited to this. A metal fitting such as a hook that enables the belt 14 to be fastened and unfastened may be provided.

The panel material 2 can be loaded on the panel material carrier 1 in two postures of horizontal placement and vertical placement. When loading the panel material 2 on the panel material carrier 1, first, as shown in FIG. The carrier 1 for the panel material is made to stand on its own in a state of being grounded at a point. When the panel member 2 is placed horizontally, as shown in FIG. 3, the panel member 2 is placed so as to straddle the pair of upper frame side portions 6 with its longitudinal direction directed to the left and right sides of the traveling direction. . The pair of upper frame side portions 6 are inclined downward toward the front of the panel material carrier 1, and the drop prevention projections 11 protruding upward from the front position of the pair of upper frame side portions 6, The panel material 2 can be loaded while preventing the panel material 2 from slipping forward of the panel material carrier 1. - 特許庁

Three panel members 2 can be stacked on the pair of upper frame side portions 6 by stacking them in the vertical direction. The fall prevention projection 11 protrudes upward from the upper frame side portion 6 by a length equal to or more than three thicknesses of the panel materials 2, and even if the panel materials 2 are stacked three times, the panel materials 2 are the panel materials. can be prevented from slipping forward. In FIG. 3, the panel members 2 are arranged in two rows in the front-rear direction of the panel member carrier 1, but depending on the shape of the panel members 2, the panel members 2 may be arranged in one row. good. Also, the number of stacked panel materials 2 is not limited to three, and depending on the number of panels that need to be transported, one or two horizontally placed panel materials 2 may be transported, or Four or more panel materials 2 may be stacked. After the panel material 2 is placed horizontally, one belt 14 is crossed over the panel material 2, and the end of the belt 14 is placed on the front end of one upper frame side 6 and on the other. It is fixed to the rear end of the frame side part 6. - 特許庁The panel material 2 is restrained by the belt 14 and can be prevented from falling from the panel material carrier 1. - 特許庁

When the panel material 2 is loaded on the panel material carrier 1, an operator enters between the pair of handles 5 and lifts both handles 5 to move the curved portion 20 of the stand 9 as shown in FIG. The panel material 2 is transported by lifting it from the ground and pushing the handle 5 in the advancing direction of the panel material transporting cart 1.例文帳に追加

Further, when the panel material 2 is placed vertically, the panel material 2 is placed from the front or the rear while the panel material carrier 1 is in a self-sustaining state in which the curved portions 20 of the two stands 9 and the wheels 3 are in contact with each other at three points. is loaded on the carriage 1 of . When loading the panel material 2 from the front onto the panel material carrier 1, as shown in FIG. 12, the panel material 2 is slid from the front to the rear so that the panel material 2 is erected with one corner facing upward, and the diagonal corner of the one corner is The panel material 2 is placed facing downward between the upper frame front portion 7 and the connecting portion 10 so that the side surface of the panel member 2 contacts the upper frame front portion 7 and the connecting portion 10 .

Further, when loading the panel material 2 from the rear onto the panel material carrier 1, as shown in FIG. , between the upper ends of the rear reinforcing bars 27 of the guide part 13, and slide the panel material 2 from the rear to the front so that one corner of the panel material 2 faces upward, and 1 The diagonal corners of the two corners face downward between the upper frame front part 7 and the connecting part 10, and the side surface of the panel member 2 is placed in contact with the upper frame front part 7 and the connecting part 10. do. At this time, the panel material 2 is arranged so that its panel surface forms a vertical plane parallel to the traveling direction of the panel material transporting vehicle 1, and the loaded panel material 2 is positioned on the right and left sides of the panel material transporting vehicle 1. Since it does not protrude in the direction, the carriage 1 for the panel material can be advanced even in a narrow passage. Here, when the corner faces upward, the panel surface of the panel member 2 forms a vertical plane, and the two sides forming one corner of the panel member 2 face each other toward the corner. It means that the slope is upward. In addition, the expression that the corner faces downward means that the two sides forming the corner slope downward toward the corner.

After the panel member 2 has been placed vertically as described above, one belt 14 is stretched over the panel member 2 in a cross-locking manner as shown in FIG. It is fastened to the front end of the upper frame side portion 6 and the rear end of the other upper frame side portion 6 . The panel material 2 is restrained by the belt 14 and can be prevented from falling from the panel material carrier 1. - 特許庁Then, an operator enters between the pair of handles 5 and lifts both handles 5 to raise the curved portion 20 of the stand 9 from the ground as shown in FIG. The panel material 2 is carried by pushing the handle 5 in the direction.

As described above, according to the panel material carrier 1 of the present embodiment, the panel materials 2 can be loaded by two methods of horizontal placement and vertical placement. Horizontal placement or vertical placement can be selected in consideration of factors such as the size and width of the aisle. That is, the vertical placement has the advantage that the panel material 2 can be transported even in a narrow passage. , only four panels 2 can be transported at a time. On the other hand, in the case of horizontal placement, the panel material 2 is placed so as to protrude in the left-right direction of the panel material carriage 1, so it is difficult to pass through if the passage is narrow. It is possible to increase the number of panel materials 2 to be used, and depending on the size of the panel materials 2, stacking the panel materials 2 in the front and rear has the advantage that more panel materials 2 can be transported at once.

When the panel material 2 is placed vertically, the panel material 2 can be loaded from the front of the panel material carrier 1 or from the rear of the panel material carrier 1. The panel material 2 can be easily loaded even when the panel material 2 is loaded in a place where it is difficult to go around the front and rear of the panel material carrier 1.例文帳に追加

It goes without saying that the embodiment of the present invention is not limited to the above-described embodiments, and can be modified as appropriate without departing from the scope of the idea of the present invention.

The carriage 1 for transporting panel materials according to the present invention is suitable for transporting formwork panels used for foundation work, for example.

1 Panel material carrier 2 Panel material 3 Wheel 4 Frame 5 Handle 6 Upper frame side part 7 Upper frame front part 8 Wheel holding part 9 Stand 10 Connecting part 11 Drop prevention protrusion 12 Guide groove 13 Guide part 14 Belt

Claims (3)

A carriage for panel materials, comprising one wheel provided in the lower part of the front of the vehicle body and a frame supported by the wheel, for transporting a rectangular flat panel material,
The frame is
a pair of handles spaced apart from each other and extending rearward in the traveling direction;
a pair of upper frame side portions extending forward in the traveling direction from the handle;
an upper frame front portion connecting the front ends of the pair of upper frame side portions;
a pair of stands formed behind the wheels and extending downward from the sides of the upper frame;
a connecting portion constructed between the pair of stands;
has
A plurality of guide grooves are formed side by side in the front portion of the upper frame so as to be able to guide the side surface of the panel material rearward in the direction of travel ,
A plurality of guide portions are arranged side by side in the connecting portion to guide the side surface of the panel member between the connecting portion and the front portion of the upper frame, and into which the corner portion of the panel member facing downward can be inserted,
When the pair of stands are placed on a horizontal ground, the side portion of the upper frame slopes downward toward the front in the direction of travel. A fall prevention projection protruding to the is formed,
The longitudinal direction of the panel material is directed to the left and right sides in the direction of movement, and the front end of the panel material in the direction of movement is in contact with the fall prevention projections, and the panel material is placed on the pair of upper frame sides. While being able to be placed across the part,
One corner of the panel material faces upward, and a diagonal corner of the one corner faces downward between the upper frame front part and the connecting part, and the side surface of the panel material is A carriage for panel material, characterized in that it can be placed so as to be in contact with the front part of the upper frame and the connecting part. An elastic belt whose ends can be fastened and released is provided at the front end of one of the upper frame side portions and the rear end of the other upper frame side portion,
2. The carriage for panel materials according to claim 1 , wherein the belt is stretched over the panel material and can fix the panel material. 3. The carrier for panel material according to claim 1 , wherein the panel material is a formwork panel.

Images