JP4106129B2 - Carriage for transporting building materials - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a carriage for transporting building materials, for example, on which construction materials are placed on a loading platform and transported by hand at a construction site or the like.
[0002]
[Prior art]
As a carriage for transporting building materials and the like at a construction site, as shown in Japanese Patent Laid-Open No. 8-198115, a frame is formed by welding four corners, and wheels are suspended from the frame, There is one that forms a loading platform by placing a scaffolding board around the body.
[0003]
[Problems to be solved by the invention]
However, the above-described conventional transporting carriage is a simple carriage in which a scaffolding board is hung on a frame of an integral body with wheels suspended, and the size of the loading platform of the carriage is the length of the scaffolding board, and this size is matched. Only materials can be transported, long materials and a large amount of materials cannot be transported at one time, and the cart is integrated, so that if it is partially damaged, it becomes unusable.
[0004]
In view of the above-described points, an object of the present invention is to provide a convenient transportation cart that can be used for transporting various building materials and the like handled at a construction site and can be easily repaired.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention is directed to the transport carriage according to claim 1, wherein a pair of short pipes are connected by a horizontal pipe having a predetermined length, and traveling wheels are arranged at both lower portions thereof. The main body of the wheeled carriage, the connecting member that is detachably attached to and connected to the main body of the wheeled carriage, the bracing that is disposed on the main body of the wheeled carriage that is locked to the bracepin, and the front and rear It is characterized in that it is assembled and disassembled by a scaffolding plate that spans a horizontal pipe mainly disposed on a wheeled carriage and a handle for hand pushing standing on the wheeled carriage.
[0006]
Further, in the transport carriage according to claim 2, the connecting member is provided with clamp fittings for gripping the short pipe mainly of the wheeled carriage at both ends, and is configured to be extendable.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
In the transport cart according to the first aspect of the present invention, it is constituted by a cart with wheels, a connecting member, a bracing, a scaffolding plate, and a handle for pushing, and these can be assembled and disassembled. When assembling, the wheeled carriage main body is arranged at the front and back and connected by two connecting members. As a result, the front and rear wheeled trolleys become self-supporting, and the basic trolley is completed. Next, the brace pin disposed in the main body of the wheeled carriage disposed at the front and rear is locked to prevent the deformation of the carriage. The assembly is completed when the scaffolding plate is hung between the main bodies of the wheeled trolleys arranged at the front and rear, and the handle for pushing is attached. In this way, the front and rear wheel main bodies are connected by connecting members and braces so that the wheeled main body is self-supporting and the scaffolding plate is latched. The length can be increased as much as possible, and it is possible to carry long materials and a large amount of materials.
[0008]
Moreover, since this cart can be disassembled, if it is partially damaged, it can be repaired by exchanging only that portion.
[0009]
Further, in the transport carriage according to claim 2, the connecting member can be firmly and firmly fixed to the main body of the wheeled carriage disposed in the front and rear by the clamp fitting, and can be easily disassembled. In addition, it is also possible to hang a scaffolding plate of various dimensions by making the connecting member extendable.
[0010]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0011]
FIG. 1 is a perspective view showing a state in which a transportation cart according to the present invention is assembled, FIG. 2 is a perspective view showing a state in which a scaffolding plate is removed, and FIG. 3 is a perspective view showing an exploded state.
[0012]
As shown in FIG. 3, the transporting carriage includes a wheeled carriage main body 1, a connecting member 2, a brace 3, a handwheel 4, and a scaffold plate 5.
[0013]
The wheeled carriage main body 1 has a pair of short pipes 6 having a predetermined length standing opposite to each other at a predetermined distance, and a horizontal pipe 7 is disposed substantially parallel in the vertical direction between the pair of short pipes 6. The part is fixed to each short tube 6. A pair of brace pins 8 for locking the brace 3 are erected on the lower horizontal pipe 7, and the upper horizontal pipe 7 has a pipe diameter capable of locking the locking fitting 4 a of the scaffold plate 4. .
[0014]
Further, a through hole 10 through which a bolt 9 for fixing the hand handle 4 is penetrated is provided in the lower part of the short pipe 6, and a wheel mounting plate 11 is fixed to the lower surface of the short pipe 6. A traveling wheel 12 is attached to the wheel attachment plate 11.
[0015]
As shown in FIG. 4, the connecting member 2 is telescopic by inserting an inner tube 14 having a predetermined length into an outer tube 13 having a predetermined length, and the overall length depends on the length of the general-purpose scaffolding plate 5. It has a predetermined length. Then, the insertion side end of the inner tube 14 of the outer tube 13 is slightly squeezed so that it is slightly larger than the outer diameter of the inner tube 14, while the end of the insertion side of the inner tube 14 is slightly smaller than the inner diameter of the outer tube 13. The inner tube 14 that has been expanded and inserted is prevented from being pulled out. Further, a through hole 15 is formed in the vicinity of the insertion side end portion of the inner tube 14 of the outer tube 13, and a nut 16 is fixedly fitted to the through hole 15, and the inner tube 14 is expanded and contracted to the nut 16. A bolt 17 to be fixed is screwed.
[0016]
Further, clamp fittings 18 are fixed to both ends of the telescopic connecting member 2 composed of the outer tube 13 and the inner tube 14 so that the short pipe 6 of the wheeled carriage main body 1 can be held by the clamp fitting 18. Like that.
[0017]
The hand handle 4 is formed with a handle 19 by curving the upper end portion of the tubular body having an outer diameter slightly smaller than the inner diameter of the short tube 6 of the wheeled carriage main body 1, and the short tube 6 is formed at the lower end portion of the tubular body. A through hole 20 that matches the through hole 10 that penetrates the short pipe 6 when fitted into the short pipe 6 is penetrated, a bolt 9 is inserted into the through hole 10 and the through hole 20, and is tightened by a nut 21 to be a handle for pushing. 4 can be fixed to the short pipe 6 of the main body 1 with a wheel.
[0018]
Next, a procedure for assembling the transporting carriage having the above configuration will be described.
[0019]
First, as shown in FIG. 3, two connecting members 2 are prepared, the bolts 17 arranged on the outer pipes 13 of the respective connecting members 2 are loosened, the inner pipe 14 is expanded and contracted, and the scaffolding plate is used as a floor portion. The bolt 17 is tightened again to an appropriate length according to the dimension 5.
[0020]
Next, the wheeled trolley main body 1 is arranged at the front and rear, and the clamp fittings 18 at both ends of the connecting member 2 are sandwiched and connected to the short pipe 6 of the front and rear wheeled trolley main body 1 as shown in FIG. As a result, the front and rear wheel main bodies 1 are self-supporting and the basic of the car is completed. Next, the braces 3 are locked to the brace pins 8 erected on the horizontal pipe 7 of the wheeled cart main body 1 arranged at the front and back to prevent deformation of the cart.
[0021]
Next, the lower end portion of the hand pushing handle 4 is inserted into the short tube 6 of the wheeled carriage main body 1 on one side from above, and the through hole 10 formed in the lower portion of the short tube 6 and the lower portion of the hand pushing handle 4 are formed. The bolt 9 is inserted so as to match the through-hole 20, and the hand pushing handle 4 is self-supported by the nut 21.
[0022]
Finally, as shown in FIG. 1, the transporting carriage is completed by hooking the locking bracket 4 a of the scaffolding plate 4 on the horizontal pipe 7 between the wheeled carriage main bodies 1 arranged at the front and rear.
[0023]
In addition, when disassembling the transport carriage, it can be disassembled in the reverse order of the above assembly procedure.
[0024]
Next, when a long object or a large amount of material is transported, the transport cart can be connected and lengthened, which will be described with reference to FIGS.
[0025]
First, when connecting two carriages, as shown in FIG. 5, the two assembled carriages are placed separated by a predetermined distance, and one bracing 3 is prepared. Are connected to the brace pin 8 erected on the horizontal pipe 7 of the main body 1 with wheels facing each other. And when the scaffold board 5 is spanned between two trolley | bogies, the intensity | strength of the connection part of a trolley | bogie becomes sufficient with this scaffold board. Thus, the loading space of the carriage can be easily equivalent to the carriage length for three cars.
[0026]
When it is desired to secure a loading space for two trolleys, as shown in FIG. 6, first, the top one trolley is assembled. Next, the leading carriage main body 1 and the following wheeled carriage main body 1 are connected by the connecting member 2 and the brace 3 so that the subsequent wheeled carriage main body 1 becomes independent. And when the scaffold board | plate 5 is spanned between each cart body 1 with a wheel, it will be completed.
[0027]
In this way, since the transport cart is configured in units of members, it can be made to a desired length by combining these, and it can support the transport of various building materials handled at the construction site. it can. Moreover, since it can be disassembled into member units, if it is damaged, it can be easily repaired by replacing the members. Moreover, if it is disassembled into individual units during transportation and storage, the bulk can be reduced and space can be saved.
[0028]
FIG. 7 shows another embodiment of the carriage for transportation, which has a structure in which the carriages can be stacked at the time of storage. In this embodiment, the wheels 12 are attached to the lower ends of both ends of the horizontal pipe 7 so that they do not get in the way when the carriages are stacked. As shown in FIG. 8, the joint pins 22 inserted in the upper parts of the short pipes 6 of the lower carriages By inserting the short pipe 6 of the upper truck, any number of cars can be stacked. In this way, the cart can be stored in a small space without disassembling.
[0029]
【The invention's effect】
As described above, according to the transportation carriage of the first aspect of the present invention, the wheeled carriage main body in which a pair of short pipes are connected by a horizontal pipe having a predetermined length and traveling wheels are disposed at both lower ends thereof. A connecting member that is detachably attached to and connected to the main body of the wheeled carriage disposed in the front and rear, a brace that is engaged with the bracepin disposed in the main body of the wheeled carriage disposed in the front and rear, and a wheel that is disposed in the front and rear. Since it is assembled and disassembled by a scaffolding plate that spans a horizontal pipe mainly made of a cart and a handle for hand pushing that stands on the wheeled cart, the cart can be connected to a desired length, Convenient for handling various building materials handled on site. Moreover, since it can be disassembled, it can be easily repaired by replacing the members.
[0030]
In addition, according to the transport carriage according to claim 2, since the clamp member for gripping the short tube mainly composed of the wheeled carriage is provided at both ends of the connecting member and is configured to be extendable, the connecting member is the clamp member. Therefore, it can be easily, securely and firmly fixed to the main body of the wheeled carriage disposed at the front and rear, and can be easily disassembled. In addition, it is possible to stretch scaffolding plates of various dimensions by making the connecting member extendable.
[Brief description of the drawings]
FIG. 1 is a perspective view of a transport carriage according to the present invention.
FIG. 2 is a perspective view showing a state in which the scaffold plate of FIG. 1 is removed.
FIG. 3 is a perspective view showing an exploded state of FIG. 2;
FIG. 4 is an enlarged front view in which a part of a connecting member is cut away.
FIG. 5 is a perspective view for explaining a state in which a transport cart is connected.
FIG. 6 is a perspective view for explaining a state in which a transport cart is coupled.
FIG. 7 is a perspective view showing another embodiment of the transport carriage according to the present invention.
8 is a perspective view showing a state in which two trolleys in FIG. 7 are stacked. FIG.
[Explanation of sign]
DESCRIPTION OF SYMBOLS 1 ... Wheel main body 2 ... Connecting member 3 ... Bracing 4 ... Handle pushing brace 5 ... Scaffolding plate 6 ... Short pipe 7 ... Horizontal pipe 8 ... Brace pin 12 ... Running wheel 13 ... Outer pipe 14 ... Inner pipe 18 ... Clamp metal fittings

Claims (2)

A main body of a wheeled carriage in which a pair of short pipes are connected by a horizontal pipe of a predetermined length and traveling wheels are arranged at both lower ends thereof, and a connecting member that is detachably attached to and connected to the main body of the wheeled carriage arranged in the front and rear. A bracing pin disposed on the main body of the wheeled carriage disposed in the front and rear, a scaffolding plate that spans the horizontal pipe of the main body of the wheeled carriage disposed in the front and rear, and a main body of the wheeled carriage A cart for transporting building materials, etc., which is assembled and disassembled with a handle for pushing. The trolley for transporting building materials and the like according to claim 1, wherein the connecting member includes clamp fittings for gripping a short tube mainly composed of a trolley with wheels at both ends, and is configured to be extendable.

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