JPH07100594B2 - Conveying device for construction materials - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) [0001] The present invention relates to a transport device for transporting various materials brought into a construction site to a construction site, etc. The present invention relates to a transport device that automatically transports a sheet.

(Prior Art) Building production has unique characteristics that distinguish it from other industrial production.
For example, in principle, only one building is produced for one design, and the production is performed outdoors, and the production system is also performed by multiple subcontractors in different work areas at the same time. There is.

Also, the materials used for the construction work are carried into the construction site by a large truck, etc. according to the construction plan and the construction situation of the construction work, and the carried-in materials are transported to a predetermined stockyard, or It is transported to various construction areas where construction work such as finishing is performed.

Conventionally, in order to transport such materials, it is common to manually use a work vehicle such as a forklift and a lifting lift during working hours.

(Problems to be Solved by the Invention) In such a conventional material transportation method, when the material carried into the carry-in entrance of the construction site is transported separately for each destination such as a construction section or a stockyard, a construction plan is required. A person in charge of material management who is familiar with the process chart created along with it will be required, and in order to further eliminate the mistake of the destination of the material, specify the destination on the material or attach a tag indicating the destination. There is a need.

However, such work is burdensome on the person in charge, is troublesome, and is apt to cause an error in the destination.

In addition, when transporting materials to the transportation destination, a work vehicle for transportation such as a forklift and a lifting lift are used.However, since most of these operations are done manually, the transportation destination is distributed over multiple floors. For example, if the transportation destinations are various, the number of workers engaged in transportation increases, and the transportation cost increases.

Further, in construction production, various works are simultaneously carried out on the basis of the process chart, so that a large amount and kinds of materials are intensively carried in.

Along with this, there arises the problem that transport machines such as forklifts and lifts are competing for each other by contractors who have contracted each work area, which reduces the efficiency of material transportation, hinders the actual construction work, and also causes the work process. There was a problem of stagnation.

The present invention has been made in view of the above-mentioned points, and provides a construction material conveying device capable of automatically conveying materials carried into a construction site to a predetermined work position with a small number of conveying machines. With the goal.

(Means for Solving the Problem) The present invention will be described by associating with FIG. 1 and FIG. 2 showing an embodiment. The present invention can move vertically in a building and stop at each floor of the building. A lifting lift 10 having a basket 12;
In the ground floor 1F of the building, a taxiway 27 that is laid at the landing of the lifting lift 10 to extend from the lift lift doorway to the front standby position P and each floor except the ground floor 1F of the building, Semi-fixed guideways 22 _{2 to} 28 _n laid in a predetermined pattern on the floor between the entrance of the lifting lift 10 and the loading place where the material 21 is temporarily placed, and on the floor inside the car 12. the ingress-egress taxiway 29 laid in correspondence to the guide path 27, 28 ₂ ~ 28 _n of the floor, as well as automatic traveling along the guide path 27, 28 ₂ ~ 28 _n of the floor, of the car 12 One unmanned guided vehicle 16 that automatically gets on and off along a taxiway 29, and a material 21 that is installed on the unmanned guided vehicle 16 and is carried in and placed on the unmanned guided vehicle 16. With the transfer device 26 for transferring the material 21 to the outside of the automatic guided vehicle 16 at the loading place,
Code readers 22 and 30 for reading the identification code attached to the material 21 placed on the transfer device 26 of the automatic guided vehicle 16
And a car control means 17 for controlling traveling of the car 12 together with the automatic guided vehicle 16 from the ground floor 1F of the material 21 to the floor designated by the identification code based on the identification code read by the code readers 22 and 30, and Material loading place on the ground floor 1F
It is arranged so that it can automatically run along a semi-fixed taxiway 33 laid on the floor between the standby position P of the automated guided vehicle 16 and 32.
An unmanned forklift 34 that places the material 21 on the transfer device 26 of the automatic guided vehicle 16 that stands by at the standby position P and the loading place that is located along the taxiways 28 _{2 to} 28 _n . And a cargo carrier 35 that receives the material 21 on the automatic guided vehicle 16 that has been automatically driven by the transfer operation of the transfer device 26.

(Operation) When the automatic guided vehicle 16 on which the material 21 is placed gets into the car 12 of the lifting lift 10 along the taxiways 27 and 29, the control means 17 moves the car 12 to the designated floor based on the identification code. Stop running. Then, the automated guided vehicle 16 in the car 12 automatically travels to the loading place along the taxiway on the stop floor, and the material on the automated guided vehicle 16 is carried out to the loading place by the transfer device 26.

As a result, it becomes possible to automatically convey the material to the determined work position with a small number of conveying machines.

In addition, the forklift 34 can automatically place the loading material 21 on the automatic guided vehicle 16.

Further, the receiving cart 35 enables the temporary storage material 21 to be moved to a desired position.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

FIG. 1 is an overall configuration diagram of a construction material conveying device, and FIG. 2 is an enlarged side view showing an automatic guided vehicle for conveying and distributing materials.

In the figure, a rack-and-pinion type lifting lift designated by the general reference numeral 10 is a luggage-carrying basket 12 provided in a temporary hoistway 11 formed over each floor 1F to nF of a building so that it can be lifted and lowered.
A rack rail 13 installed along the hoistway 11; and a drive motor 15 for rotating the pinion 14 meshing with the rack rail 13 to move the car 12 up and down. Further, an unmanned transport vehicle 16 can be mounted on and off the car 12 by magnetic induction or electromagnetic induction.

The control device (control panel) 17 automatically operates the car 12 to the destination floor in response to the hall call and car call of each floor, and
When 12 landed on the destination floor and stopped, it sends an opening / closing command to the drive devices 19F1 to 19Fn of the gates 18F1 to 18Fn installed at the entrances and exits of each floor to control the opening and closing of the landing gates 18F1 to 18Fn. There is.

Further, in the car 12, an in-cargo detector 20 for detecting the presence or absence of the automatic guided vehicle 16, a material 21 placed on the automatic guided vehicle 16 or a material name attached to the pallet 21a, destination identification information, etc. A bar code reader 22 for reading the bar code label 21b and a transmitter / receiver 23 for exchanging signals with the automated guided vehicle 16 are provided.

The car 12 and the control device 17 are connected by a cable 24.
This cable 24 is a detection signal of the in-cargo detector 20, code information read by the bar code reader 22, transmission of the transceiver 23,
The reception signal and the landing signal are transmitted to the control device 17, and power is supplied to the drive motor 15.
A cable 25 connects between the gate drive devices 19F1 to 19Fn and the control device 17.

The automated guided vehicle 16 includes traveling wheels, a steering wheel, and drive motors (not shown) for driving these wheels, as is well known.
Further, it has a control circuit 16a for automatically controlling the operation of the automatic guided vehicle 16 along the taxiway laid on the floor.

In addition, on the automatic guided vehicle 16, the materials placed on each pallet
Roller conveyor type transfer device for transferring 21 in a predetermined direction 26
Is installed. The transfer device 26 enables the material 21 to be loaded by driving the roller conveyor section by a built-in drive mechanism to be placed on the transfer device 26 and to be automatically unloaded to the cargo carrier at the loading position. .

The unmanned guided vehicle 16 configured as described above transports the materials 21 carried on the first floor of the building in collaboration with the lifting lift 10 to each floor other than the first floor by one unit. At the landing on the 1st floor of the 1st floor, a guideway extending from the lifting lift doorway to the waiting position in the front so that the automatic guided vehicle 16 can be guided back and forth from the lifting lift doorway to the waiting position P. 27 are formed, and on each floor 2F to nF on the second and higher floors, an automated guided vehicle 16 is installed between the landing entrance on each floor and the stockyard.
Semi-fixed taxiways 28 _{2 to} 28 _n for unmanned traveling are installed. Further, a guideway 29 for automatically getting on and off the automated guided vehicle 16 is laid on the floor of the car 12.

As shown in FIG. 2, the automatic guided vehicle 16 includes a barcode reader 30 for reading the barcode 21b attached to the material 21 or its pallet 21a and a transceiver for transmitting and receiving signals to and from the transceiver 23 of the car 12. 31 are installed respectively.

The bar code form 21b indicates the destination of the material 21 and
The destination floor is designated for the lifting lift 10, and the loading place is designated for the automatic guided vehicle 16.

On the 1st floor 1st floor (ground floor), various materials 21
Stockyard 23 and AGV for temporary stocking
A semi-fixed guideway 33 connecting between 16 standby positions P is laid, and a forklift 34 is arranged along the guideway 33 so as to be able to travel automatically.

The forklift 34 has an optical sensor (not shown) built in the tip of a pair of fork claws that handle the material 21, and the presence of the pallet is determined by this optical sensor to ensure the unloading, and By reading the bar code label 21b attached to the material 21 or its pallet 21a by a bar code reader (not shown) and displaying it on the monitor, the information (date, time, product name, quantity, place of use, supplier) of the object to be conveyed can be determined. It can be understood even in.

In addition, in the stockyards on the second floor to the nF other than the first floor (ground floor), a cargo carrier 35 for temporarily placing the material 21 is arranged, and an automated guided vehicle 16 transports the cargo carrier 35 on the cargo carrier 35. You can receive and stock the incoming materials 21 for each pallet.

Next, the operation of this embodiment configured as described above will be described.

First, when the forklift 34 starts operating, one of the materials 21 stacked in the stockyard 32 is transferred to the pallet 21.
Take out a.

Then, after the direction of the load side is reversed to the traveling side, the vehicle automatically travels along the guideway 33 toward the standby position P of the automated guided vehicle.

When the forklift 34 reaches the traveling end of the taxiway 33, the mutual existence is confirmed by an optical sensor or the like, and if the mutual existence is confirmed, the material 21 on the forklift 34 is transferred onto the automatic guided vehicle 16. 26 Place on top. At the same time, the transfer device
The roller conveyor unit 26 is driven to move and hold the material 21 at a predetermined position.

After that, the automatic guided vehicle 16 on which the material 21 is placed is activated and automatically travels along the taxiway 27 toward the landing entrance of the lifting lift 10.

At this time, if the car 12 is stopped and waiting at the landing entrance on the first floor, the gate 18F1 is held in the open state by the gate drive device 19F1.

Therefore, the automated guided vehicle 16 gets into the car 12 while being guided by the guideways 27 and 29. When the loading of the automatic guided vehicle 16 into the car 12 is completed and stopped, the in-cargo detector 20 operates and its detection signal is sent to the control device 17.

In addition, the barcode reader 22
The information read by is sent to the control device 17. Further, a lift lift start command for stopping the automated guided vehicle 16 is sent from the transceiver 31 of the automated guided vehicle 16.

After this transmission signal is received by the transceiver 23 on the car 12 side,
When it is taken into the control device 17, the gate drive device 19F1 closes to close the gate 18F1 and activates the drive motor 15 to drive the car 12 to the destination floor specified by the bar code slip 21b.

Here, if the designated floor of the bar code label 21b is the nth floor nF, after the car 12 stops at the nth floor, the gate drive device
19Fn opens the gate 18Fn at the landing.

Also, when the landing gate 18Fn opens, the transmitter / receiver 23 on the side of the car 12
A start command is sent from the unmanned guided vehicle 16.

This transmission command signal is received by the transmitter / receiver 31 of the automated guided vehicle 16, and when the received signal is taken in by the control circuit 16a, the automated guided vehicle 16 is activated and from the car 12 along the taxiway 29 in the car 12. Drive toward the floor nF on the nth floor.

When the automated guided vehicle 16 gets down to the designated n-floor nF, the automated guided vehicle 16 is automatically guided toward the receiving cart 35 arranged in the stockyard while being guided along the taxiway 28n laid on the floor nF. To run.

Then, when it reaches the cargo carrier 35 on the stockyard, the automated guided vehicle 16 stops and the transfer device 26 starts operating. When the transfer device 26 operates, the material 21 on the transfer device 26 is transferred onto the cargo carrier 35.

The unmanned guided vehicle 16 that has completed unloading moves to the entrance / exit on the nth floor along the taxiway 28n, and further gets into the car 12 by the taxiway 29.

Then, when it is confirmed that the loading of the automated guided vehicle 16 is completed, the car 12 is descended toward the first floor.

As a result, when the car 12 stops on the first floor and gets on the floor, the gate 18F1 on the first floor opens, and the empty automated guided vehicle 16 is taken out onto the first floor along the taxiways 29 and 26. After that, the vehicle travels to the standby position P and stands by for the next unloading operation from the forklift 34.

Thereafter, by repeating the same operation, the material 21 loaded into the stockyard 32 on the ground floor can be automatically and unmanned transported to the transportation destination specified by the barcode slip 21b.

In the present embodiment as described above, various materials 21 carried into the construction site can be automatically transported to the designated work area and work position unattended.

As a result, the work of transporting the material 21 can be performed at night and after working hours, including holidays, and the competition for work vehicles and lifting lifts unlike in the conventional case does not occur.

Further, the number of workers engaged in the transportation work can be eliminated or greatly reduced, and the workers who have contracted the work section can be fully put into the work of the work section, so that the work process according to the work schedule can be promoted without delay.

In addition, since the material supplier attaches a barcode tag for identification to each pallet at the stage of ordering the material 21 based on the process sheet, it is not necessary to attach the barcode tag at the import stage, and the material manager also It becomes unnecessary and the carrying operation can be performed more smoothly and efficiently.

In addition, since one unmanned guided vehicle 16 is used to carry and distribute materials to each construction work area, there is no congestion due to the lifting lift 10 and the unmanned guided vehicle 16, and it is possible to carry materials without waste. become.

Furthermore, since the material is temporarily placed on the cargo receiving cart 35 arranged at the loading place, when the material is desired to be moved to the construction position, it can be moved to the construction position by moving the cargo receiving cart 35. It will be easier.

Also, by installing the transfer device 26 on the automatic guided vehicle 16, it becomes easy to transfer the material to the cargo receiving vehicle 35 and to carry the material from the forklift 34 to the automatic guided vehicle 16.

Incidentally, in the present invention, in the case of automatically transporting the carried-in material to the loading place on the floor designated by the automatic guided vehicle, the operation timings of the automatic guided vehicle and the corresponding forklifts and lifting lifts are as described above. The system is not limited to the one described in the example, and a system in which the entire computer is managed and controlled may be used.

(Effects of the Invention) As described above, according to the present invention, under a small number of transport machines using one automated guided vehicle and one lifting lift,
Materials for construction work can be automatically and unmanned transported to designated work areas and loading places. Along with this, it becomes possible to carry out the transportation work outside working hours, and the number of personnel engaged in the transportation work can be significantly reduced to reduce the transportation cost, and the work process can be promoted.

Further, according to the present invention, by laying a boarding / exiting taxiway on the floor surface of the car corresponding to the taxiway of each floor, the automated guided vehicle can automatically get on and off the car, and also to the taxiway of each floor. You can definitely guide.

Furthermore, according to the present invention, by arranging a carrier truck that receives the material on the automatic guided vehicle that has been automatically traveling along the taxiway at the loading place by the transfer operation of the transfer device at the loading place, When you want to move to the construction position, you can easily transport the material to the construction position by moving the cargo carrier.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing an embodiment of the present invention, and FIG. 2 is an enlarged side view showing an automated guided vehicle. In the figure, 10 is a lifting lift, 11 is a hoistway, 12 is a car, 13 is a rack rail, 14 is a pinion, 15 is a drive motor, 16 is an automated guided vehicle, 16a is a control circuit, 17 is a control device, and 18F1. ~ 18Fn
Is a gate, 20 is an inventory detector, 21 is a material, 21a is a pallet, 21b is a bar code sheet, 22 and 30 are bar code readers, 2
3, 31 are transceivers, 26 is a transfer device, 27, 28 _{2 to} 28 _n , 33 are taxiways, 34 is a forklift, and 35 is a carrier truck.

Claims (1)

[Claims] 1. A lifting lift having a car that can move up and down in a vertical direction of a building and can be stopped at each floor of the building, and a lifting lift doorway at a landing point of the lifting lift at a material loading floor of the building. From the front to the waiting position, and the floor between the entrance of the lifting lift and the loading place where the material to be transported is temporarily placed on each floor except the material loading floor of the building. A semi-fixed taxiway laid in a predetermined pattern on the surface, a boarding and exiting taxiway laid corresponding to the taxiway of each floor on the floor in the car, and automatically along the taxiway of each floor One unmanned guided vehicle that automatically travels along the taxiway of the car while traveling, and a material that is installed on the unmanned guided vehicle and is carried into the unmanned guided vehicle. And place the materials unattended at the loading place. A transfer device for transferring to the outside of the vehicle, a code reader for reading an identification code attached to the material placed on the unmanned guided vehicle, and an unmanned guided vehicle for the car based on the identification code read by the code reader And a car control means for controlling traveling from the material loading floor to a floor designated by the identification code, and a semi-fixed guidance laid on the floor between the material loading location and the standby position of the automated guided vehicle on the material loading floor. An unmanned forklift that is placed so that it can be automatically driven along a road and that places materials on a transfer device of an automated guided vehicle that waits at a standby position, and that is placed at the loading place and is on a taxiway at the loading place. A carrier for a construction work, comprising: a cargo carrier that receives materials on the automatic guided vehicle that have been automatically traveling along the transportation operation of the transfer device.