JP2021117738A - Transportation method for machinery or materials through traction - Google Patents

Abstract

To provide a transportation method for machinery or materials through traction which is intended to solve a problem relating to upgrading of labor productivity.SOLUTION: A transporter includes a dedicated platform cart 1 on which machinery or materials are placed, and an automatic horizontal transportation apparatus 11 that tows and transports the dedicated platform cart 1 to a designated position. A subordinate plate 7 having plural receiving holes 8 is disposed on the center undersurface of the dedicated platform cart 1. Traction pins 13 whose distal parts are tapered and which are fitted into the respective receiving holes 8 are disposed on the top plate of the automatic horizontal transportation apparatus 11 so that the traction pins can be raised or lowered. Guide members 14 and 15 are disposed outside the traction pins 13 along the flanks. A stopper member 16 is interposed between the guide members. The automatic horizontal transportation apparatus 11 is placed below the dedicated platform cart 1, and the traction pins 13 are fitted into the receiving holes. Thus, the dedicated platform cart is towed and transported to a position designated based on transportation position information on machinery or materials.SELECTED DRAWING: Figure 7

Description

The present invention relates to a method for transporting materials and equipment by traction that can be carried out at a transportation site for materials and equipment at a construction site.

In recent years, the labor situation has deteriorated due to the aging of construction workers and the decrease in working workers. As one of the measures to improve labor productivity, mechanization of simple and heavy-duty work is required. In particular, the transportation work of materials and equipment occupies a large amount of time in the entire construction work, and since it is a simple repetitive work, productivity can be improved by mechanization.

Therefore, for example, the prior invention of the automatic horizontal transfer device by the same applicant (Japanese Patent Laid-Open No. 2019-28974) is an improvement of the prior art, but the prior invention is further improved to improve the operational accuracy in the transfer work. The purpose is to improve the above.

As conventional techniques for improving labor productivity in transporting materials and equipment by a large number of workers, the techniques related to the method of handling the transported object and the techniques related to the trolley described in Patent Documents 1 and 2 are known. Has been done.

Japanese Unexamined Patent Publication No. 2002-23846 Japanese Unexamined Patent Publication No. 2016-11283

The invention according to Patent Document 1 is an automatic transport system in which construction materials are placed on a self-propelled transport truck and the transport truck is guided to a target position along a guide tape installed on a floor surface. A fluorescent tape is used as the guiding tape, and the transport trolley is provided with a black light that irradiates the fluorescent tape with ultraviolet rays, a camera that captures the fluorescent tape to which the black light is applied, and a camera from the camera. A construction site provided with an image processing means for image-processing the captured image data to recognize the fluorescent tape and a traveling control means for traveling the transport trolley along the fluorescent tape based on the processing result of the image processing means. This is an automatic material transfer system.

In the invention of Patent Document 2, a plurality of drive wheels whose rotation directions and speeds can be individually controlled, and a control unit that controls the drive of the plurality of drive wheels in order to perform linear movement and turning around a central axis. The present invention relates to a trolley provided with a pedestal for mounting a transported object and a jack arranged in an area surrounded by the plurality of drive wheels and for raising and lowering the pedestal described above. It is a trolley that transports the transported goods at the construction site.

However, in the material automatic transfer system of Patent Document 1, since the means for directly loading the material (kneaded concrete) on the automatic transfer device is adopted, it is difficult to unify the loading position and loading time of the materials. , There is a problem that it is difficult to maintain the stability of the transport material, and in the carriage of Patent Document 2, the engagement pin of the automatic horizontal transport device is attached to the engagement plate vertically installed on the bottom surface of the flat carriage. Although the means of engaging and pulling the RFID tag is adopted, there is a concern that the transfer, which requires high accuracy, will fail, and when reading the RFID tag on the loading floor, the RFID tag is appropriately attached to the material. And, it is assumed that it cannot be read due to the difference in the mounting position.

In any case, when the material loaded by the automatic vertical transfer device is loaded from the cage by the automatic horizontal transfer device, the loading position is determined in advance according to the traveling route set by the management control PC. .. However, it is difficult to prepare materials by input at a predetermined position in the cage of the automatic vertical transfer device because high technical accuracy is required, and it has not been put into practical use.

The method for transporting materials and equipment by traction according to the present invention has been proposed in order to solve various problems of the prior art and also to solve the problems related to the improvement of labor productivity.

The gist of the method for transporting materials and equipment by traction according to the present invention is to solve the above-mentioned problems of the automatic horizontal transport device and achieve the object. It consists of an automatic horizontal transport device that pulls and transports to the designated position, and a subordinate plate having a plurality of receiving holes is provided on the lower center side of the dedicated flat carriage, and the plurality of upper plates of the automatic horizontal transport device are provided with the plurality of subplates. A tow pin having a tapered tip that engages with each of the receiving holes is provided so as to be able to move up and down, a guide member is provided on the outside of the tow pin along both side surfaces, and a stopper member is provided between the guide members. By traction, the automatic horizontal transfer device is inserted into the lower part of the dedicated flat trolley, the tow pin is engaged with the receiving hole, and the traction is towed to the position set based on the transfer position information of the equipment and materials. It provides a method of transporting materials and equipment.

In the method of transporting materials and equipment by traction according to the present invention, a case is provided in which an RFID tag in which the transport position information of the material mounted on the dedicated flat trolley is recorded is inserted, and the RFID tag is obtained from the RFID tag. The automatic horizontal transport device pulls and transports the dedicated flat trolley according to the transport position information; and reads the transport position information by facing the RFID tag and the RFID antenna in the case. It is included as a requirement.

In the method of transporting materials and equipment by traction of the present invention, a guide member and a stopper member are provided on the upper surface plate of the automatic horizontal transport device, so that the traction pin is guided to the receiving hole and the tip of the traction pin is tapered. By forming it, it is relatively easy to pick up the cargo. Further, by making the RFID tag and the RFID antenna face each other, the accuracy of reading information is improved.

It is a top view of the dedicated flat trolley used in the method of transporting materials and equipment by traction according to the present invention. It is a side view of the long side of the dedicated flat trolley. It is a side view of the short side of the dedicated flat trolley. It is a perspective view of the automatic horizontal transport device used in the transport method of the material and equipment by traction according to the present invention. It is a side view of the long side of the automatic horizontal transfer device. It is a side view of the short side side of the automatic horizontal transfer device. It is a side view in which the automatic horizontal transfer device is put in the lower surface of a dedicated flat trolley and is towed.

The method of transporting materials and equipment by traction according to the present invention will first be described with reference to FIGS. 1 to 3 in terms of preferred embodiments. A dedicated flat trolley 1 on which building materials and equipment to be transported at a construction site are placed is used, and the dedicated flat trolley 1 is formed by forming a main body 2 with a flat rectangular frame with a plurality of tough metal frames. Wheels 3 are attached to the four corners of the rectangular body 2 on the lower surface side via the holder 4 and the shaft 5, and a metal mounting plate is placed on the upper surface side over at least the required range of the central portion of the main body 2. 6 is installed, and a rectangular dependent plate 7 with which a part of an automatic horizontal transfer device to be described later abuts or engages is attached to the central portion on the back surface side of the mounting plate 6. Four arcuate recesses, that is, a plurality of receiving holes 8 are formed.

In addition, a case 9 is provided in the center of the side surface for inserting an RFID tag in which information on the position where the materials and equipment mounted on the dedicated flat trolley 1 are transported is written. The brake member 10 acts to prevent the vehicle 1 from moving and maintains the stopped state.

Next, it will be described with reference to FIGS. 4 to 6. It is an automatic horizontal transport device 11 for towing and transporting the dedicated flat trolley 1 on which building materials and equipment are placed to a planned or set position, and the automatic horizontal transport device 11 is one more than the dedicated flat trolley 1. It has a rectangular shape with a small turning diameter, and has a tapered tip that engages with each of the four receiving holes 8 provided in the subordinate plate 7 of the dedicated flat trolley 1 at the substantially central portion of the upper surface plate 12. The tow pin 13 of the book is provided so as to be able to move up and down, and guide members 14 and 15 are provided on the outside of the tow pin 13 along both side surfaces so that the receiving hole 8 and the tow pin 13 are aligned with each other. A stopper member 16 is provided between the guide members 14 and 15, traveling wheels 17 are provided on the lower center side of the automatic horizontal transfer device 11, and wheels 18 for changing directions are provided on both ends. Has been done. Bent portions 14a and 15a are formed at both ends of the guide members 14 and 15 so as to open outward, respectively, and the bent portions 14a and 15a allow the guide members 14 and 15 to enter the exact position of the dedicated flat carriage 1. The efficiency has been increased.

When various materials and equipment for construction are horizontally transported to a position monitored based on a design drawing at a construction site by using the dedicated flat trolley 1 and the automatic horizontal transfer device 11 formed in this way, the dedicated flat pedestal is used. An RFID tag on which the transport position information of the material mounted on the vehicle 1 is recorded is put in the case 9 of the dedicated flat trolley 1, and the automatic horizontal transport device 11 is provided with a function for self-propelling. In order to read the information of the RFID tag put in the case 9 of the dedicated flat trolley 1, the RFID antenna 19 provided at the reading position is read before the start of transportation, and the RFID antenna 19 has substantially the same height as the case 9. The information received by the antenna 19 is sent to the management control PC, and the automatic horizontal transfer device 11 automatically performs based on the information received by the management control PC. It is driven forward.

Therefore, as shown in FIG. 7, the automatic horizontal transfer device 11 that has received the information is close to the dedicated flat trolley 1 that is scheduled to be transported from the information source, and is rearward to the lower part of the dedicated flat trolley 1 that is scheduled to be transported (FIG. 3). Entering from the right side), the traction pin 13 has come to the position corresponding to the receiving hole 8, and the stopper member 16 comes into contact with the positioning member (not shown), so that the traction pin 13 protrudes and engages with the receiving hole 8. Further, the brake member 10 of the dedicated flat trolley 1 is released, and the dedicated flat trolley 1 is towed and transported to a position set along the route preset by the management control PC. The tow pin 13 descends and escapes from the receiving hole 8 to be released. At the same time, the brake member 10 of the dedicated flat carriage 1 acts, and the automatic horizontal transfer device 11 can escape from the lower part of the dedicated flat carriage 1. , The next dedicated flat trolley 1 can be returned to its original position for towing and transporting.

In any case, when transporting the materials and equipment for construction from the receiving position to the used position at the construction site, the dedicated flat trolley 1 on which the materials and equipment are placed and the automatic horizontal transport device 11 for pulling the dedicated flat trolley 1 This is a transport method that enables efficient transport without a lot of manpower, and at the construction site, the dedicated flat trolley 1 and the automatic horizontal transport device 11 are connected vertically or horizontally to make it vertically long. Or, if it becomes wider, it is not preferable due to restrictions on the transport route, and the present invention can automatically and efficiently transport materials and equipment to a target position if there is a width that allows the dedicated flat trolley 1 to pass through. It is.

According to the method for transporting materials and equipment by traction according to the present invention, the dedicated flat trolley 1 and the automatic horizontal transport device 11 can substantially automatically transport materials and equipment for construction to a set position. It can be widely applied at construction sites in Japan.

1 Dedicated flat trolley 2 Main body 3 Wheels 4 Holder 5 Shaft 6 Mounting plate 7 Subordinate plate 8 Receiving hole 9 Case 10 Brake member 11 Automatic horizontal transfer device 12 Top plate 13 Tow pin 14, 15 Guide member 14a, 15a 14a, 15a 16 Stopper member 17 Running wheel 18 Wheel
19 RFID antenna

Claims (3)

It consists of a dedicated flat trolley on which materials and equipment are placed and an automatic horizontal transport device that pulls and transports the dedicated flat trolley to a set position.
A subordinate plate having a plurality of receiving holes is provided on the lower center side of the dedicated flat carriage.
A tow pin having a tapered tip that engages with each of the plurality of receiving holes is provided on the upper surface plate of the automatic horizontal transfer device so as to be able to move up and down, and a guide member is provided on the outside of the tow pin along both side surfaces. A stopper member is provided between the guide members,
By traction, the automatic horizontal transfer device is inserted into the lower part of the dedicated flat carriage, the tow pin is engaged with the receiving hole, and the material is towed to a position set based on the transfer position information of the material. How to transport materials and equipment. There is a case where an RFID tag on which the transportation position information of the materials and equipment mounted on the dedicated flat trolley is recorded is inserted.
The method for transporting materials and equipment by towing according to claim 1, wherein the automatic horizontal transport device pulls and transports the dedicated flat trolley based on the transport position information obtained from the RFID tag. The method for transporting materials and equipment by traction according to claim 1 or 2, wherein the RFID tag and the RFID antenna placed in the case face each other to read the transport position information.

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