JPH0733730B2 - Multistory parking lot - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a loading / unloading device for a multilevel parking lot. In particular, the present invention relates to a loading and unloading device for a multi-storey parking lot, which is suitable for storing vehicles in automobile manufacturers and for storing vehicles in distribution centers.

In the present invention, the "transfer port" is a port through which a carrier device in a shelf group including a large number of shelves transfers a vehicle to and from the outside of the shelf group.

[Conventional technology]

An example of a three-dimensional parking lot using a stacker crane is disclosed in Japanese Patent Application Laid-Open No. 61-38071. This one is
A large number of shelves are provided along the traveling path of the stacker crane, and an entrance, an exit, a pallet magazine, and a conveyor line are provided at one end thereof.

Upon warehousing, one pallet is supplied from the pallet magazine to the warehousing entrance via the conveyor. When a vehicle is placed on this pallet, it is conveyed by a conveyor to a transfer port with a stacker crane. The stacker crane stores this on-board pallet on a shelf. When there are no more pallets in the pallet magazine, stacker pallets are supplied from the shelves by stacker cranes.

When a shipping instruction is issued, the in-vehicle pallets on the shelves are transported to the transfer port by the stacker crane and then delivered to the shipping port by the conveyor. The empty pallets left at the delivery port are collected by the conveyor in the pallet magazine. When a predetermined number of pallets are accumulated in the pallet magazine, they are stored on shelves by the conveyor and stacker crane.

Japanese Utility Model Laid-Open No. 58-82981 discloses that a carriage is used instead of a conveyor as a means for transporting an in-vehicle pallet between a loading / unloading port and a transfer port. However, the relationship with stacker cranes and pallet magazines is not shown.

Incidentally, in a factory, a monorail car is often used as a means for transferring a load in order to effectively use the space three-dimensionally. This monorail car is suspended. That is, the traveling body of the monorail car is suspended from the rail in the air, and the load is suspended on the lower surface of the traveling body. At the position to unload the load from the monorail car to the equipment on the ground and the position to transfer the load from the equipment on the ground to the monorail car,
The rail on which the monorail car is placed can be moved up and down. The monorail car includes a self-propelled type equipped with a motor and a type in which the monorail car travels by engaging with a chain stretched above the rail. This monorail car is often used in the automobile industry, and for example, there is one that suspends and transports the body of the vehicle. The body is carried by supporting the lower surface of the body (for example, the jack amp point of the vehicle). (Special public relations
(Problems to be solved by the invention) According to various experiments, when a pallet carrying a vehicle is conveyed by a roller conveyor, the roller interval is large, It was found that the pallet was bent vertically and had a short life.
In order to prevent this, it is necessary to increase the plate thickness of the pallet or eliminate the transportation of the vehicle-mounted pallet by the roller conveyor. Also, roller conveyors are relatively expensive.

Further, according to the above-mentioned conventional technique, a pallet magazine for pallet supply is installed at each entrance. In other words, one pallet magazine is provided at one storage entrance. For this reason, when there is an imbalance in the warehousing of vehicles into a plurality of warehousing ports and the pallet of one pallet magazine is insufficient, another pallet magazine or pallet cannot be supplied.

Further, since the warehousing (vehicle or pallet) and the warehousing (vehicle or pallet) are performed by one conveyor line, the control becomes complicated when the warehousing and the warehousing are performed together. In particular, in the figure, it is impossible to get out from the three-dimensional warehouse on the left side and try to enter the three-dimensional warehouse on the right side.

An object of the present invention is to provide a device having a long pallet life and easy control of loading and unloading.

[Means for solving problems]

The above-mentioned object is a three-dimensional warehouse in which a plurality of sets each including a transfer device and a large number of shelves provided along the traveling path are arranged side by side, and each of the sets is provided with an on-vehicle between the transfer devices. A warehousing transfer port capable of transferring pallets and a warehousing transfer port, and those provided within the width range of the three-dimensional warehouse in the direction in which the plurality of sets are arranged in parallel, An entrance provided for each transfer port of the vehicle, and an entrance provided for each transfer for each of the exits provided within the range, and an exit for the driver to board, A trolley for placing a pallet between the loading / unloading port and each of the transfer ports, and a ground-traveling type trolley for raising and lowering a surface on which the pallet is placed; and a trolley provided outside the range. , An entrance for the driver to exit the vehicle, the exit and the entrance A pallet recovery port provided on the traveling path of the trolley between the storage port and the pallet; and a pallet magazine provided near the entry port for stacking pallets and supplying the pallet to the entry port, The vehicle travels on a traveling line which passes over the entry port, the respective loading ports, the respective recovery ports, and the pallet magazine and returns to the entry port. The on-vehicle pallet is lifted at the entry port, the on-board pallet is lowered at the storage port, the empty pallet is lifted at the recovery port, and the empty pallet is lowered at the pallet magazine. This can be achieved by configuring.

[Action]

When the vehicle is placed on the pallet supplied from the pallet magazine to the entry port, the overhead traveling carriage lifts the on-vehicle pallet and conveys it to an appropriate entry port. The on-vehicle pallet supplied to the storage entrance is transported to the transfer slot by the trolley, and then stored on the shelf by the transport device.

〔Example〕

The present invention will be described below with reference to an embodiment shown in FIGS. This embodiment is for storing a vehicle of an automobile manufacturer.

First, the overall configuration will be described with reference to FIG.

1 is a stacker crane as a known transfer device,
It runs between the shelves 5 and 6 on both sides. The shelf group 5 and 6 is composed of a large number of shelves. Here, stacker crane 1 and shelves on both sides of it
7 sets are arranged side by side with 5 and 6 as a set of 3D warehouse.

On the first row of shelves at one end of each shelf group 5, there is a transfer port for receiving.
10 are provided. A transfer port 11 for delivery is provided on the first row of shelves at the one end of each shelf group 6.

A warehousing port 13 is provided in front of the transfer port 10 for warehousing. The warehousing entrance 13 and the transfer entrance 10 are connected by a dolly 15 for warehousing which runs on a rail 14.

A delivery port 17 is provided in front of the transfer port 11 for delivery. The warehousing port 13 is provided laterally between the unloading port 17 and the transfer port 11. The delivery port 17 and the transfer port 11 are connected by a delivery cart 19 that travels on a rail 18. When the vehicle exits the exit port 17, the driver gets on and runs toward the exit route 21.
The area around the exit port 17 allows the driver to walk.
In addition, the circumference of the delivery port 17 is surrounded by a shelf (not shown) that can be opened and closed for safety.

Reference numeral 60 denotes a collection port for empty pallets, which is located on the way of the carriage 19 between the loading port 13 and the loading port 17. The collection port 60 and the delivery port 17 are connected by a conveyor 61. The empty pallet remaining in the delivery port 17 is conveyed to the collection port 60 by the conveyor 61. The conveyor 61 is located at both ends of the vehicle in the width direction.

Numerals 23 and 24 are entrances to the multi-storey parking lot, and are installed outside the width range formed by the seven groups in the direction in which the group consisting of the stacker crane 1 and the rack groups 5 and 6 is arranged in parallel. The entrances 23 and 24 are provided on the sides of the entrance 13 and the exit 17. The vehicle that has moved forward on the approach roads 25 and 26 stops at the entrances 23 and 24, and the driver dismounts. The entrances 23 and 24 are surrounded by shelves (not shown) that can be opened and closed for safety. Two entrances 23 and 24 are provided.

The vehicles at the entrances 23 and 24 are conveyed to the respective entrances 13 by a cart traveling overhead, for example, a suspension type monorail car 27. 28
Is the running line of the monorail car 27, and the entrances 23, 24,
Each storage port 13 passes through the collection port 60 and the pallet magazine 70, and returns to the vehicle entry ports 23, 24. The monorail car 27 has a known structure, and as shown in FIG. 8, a traveling body 27a traveling on the rails of the traveling line 28 and a suspender 27b suspended below the traveling body 27a.
And a traveling motor 27c. The suspension 27b supports a jack point of the vehicle and can be opened and closed in the vehicle width direction. Monorail car 27 and entrance 23,24, entrance 13,
The means for exchanging the vehicle between the recovery port 60 and the pallet magazine is known. For example, the rail supporting the monorail car 27 is moved up and down at the transfer position.

Many monorail cars 27 are installed on the traveling line 28, but only one is shown. The monorail car 27 transports vehicle-mounted pallets one by one. Vehicle is entering in the forward direction 2
As it enters 3,24, it is placed facing the exit 17 side on the entrance 13 and the shelves.

28a and 28b are bypass lines. 29 is a line connecting to a production factory or a maintenance factory.

70 is a pallet magazine having a plurality of pallet magazines. Reference numeral 80 is a conveyor device for supplying the pallets taken out from the pallet magazine 70 to the respective entrances 23, 24.

2 to 5, the transfer ports 10 and 11 and the storage port 13 are provided with pallet seats 66 that support four points of the pallet 65. The pallet seats 66 on the passage sides of the trucks 15 and 19 of the transfer ports 10 and 11 and the warehousing port 13 are divided in the width direction of the trucks so that the lifting platform 51 of the trucks 15 and 19 can pass through.

The conveyor 61 connecting the delivery port 17 and the recovery port 60 is divided in the width direction of the vehicle so that the lifting platform 51 of the cart 19 can pass through.

The conveyor 61 has a delivery port 17 and a recovery port 60, respectively.
Divided into front part, rear part and middle part, and the gaps 61a, 61
The fork 52 of the dolly 19 can be raised and lowered on b.
Further, the suspending tool 27b of the monorail car 27 can be inserted into the clearances 61a and 61b of the recovery port 60.

The fork 52 that supports the pallet 65 of the dolly 15, 19 is the lift 5
It is equipped with four points on the top and bottom of the front, back, left and right, and can be expanded and contracted in the horizontal direction. When the fork 52 is retracted, the conveyors 61, 61,
It can pass between the pallet seats 66, 66. Expansion and contraction of the fork 52 is performed by a rank and pinion device and a cylinder device. The trucks 15 and 19 raise the lifting platform 51 and move the forks 5 together.
It is possible to drive with the in-vehicle pallet placed with 2 protruding. The front and rear forks 52 are spaced by the front and rear pallet seats.
Less than 66 intervals. The central portion of the pallet 65 in the width direction projects upward. FIG. 5 shows the carriage in the transfer robot.

The structure of the pallet magazine 70 will be described with reference to FIG. The pallet magazine 70 consists of three pallet magazines 70A,
It consists of 70B and 70C. The structure of each pallet magazine is the same as a known one. That is, it comprises a conveyor 72 that conveys the pallet 65 in the width direction of the pallet 65, a lifter 73 on which the conveyor 72 is placed, a support device 74 that supports the stacked pallet, and a storage chamber 75 that stores the stacked pallet. Support device 74
Supports four points on the pallet 65, and is extensible in the horizontal direction. A side surface of the storage chamber 75 in the width direction is opened so that the hanging tool 27b of the monorail car 27 can be lifted and lowered. This is for the purpose of supplying the stacked pallets into the storage chamber 75 or taking out the stacked pallets accumulated in the storage chamber 75 with the suspenders 27b.

The three pallet magazines are arranged in parallel at a predetermined interval.
The interval is the size necessary for opening and closing the lifting tool 27b of the monorail car 27. Conveyor for 3 pallet magazines
72 is connected by conveyors 77a and 77b.

78 is a conveyor for receiving the collected pallets and is connected to the conveyor 72 of the pallet magazine 70A. Collection port 60
This pallet was lifted by the monorail car 27
Drop to 78.

The conveyors 72, 77a, 77b, 78 are chain conveyors.

The rail of the monorail car 27 branches above the left side portion of the conveyor 78.

The pallets supplied to the conveyor 78 are conveyors 72, 77a, 77b.
Are supplied to each pallet magazine via the and are stacked in the storage chamber 75.

If the warehousing ports 23, 24 require pallets, the conveyors 72, 77a, 77b, conveyor device 80 from each pallet magazine
Is supplied via.

The operation of the pallet magazine will be briefly described. When stacking pallets, when the pallets are placed on the conveyor 72, the lifter 73 is lifted to push up the pallet on the supporting device 74, then the supporting device 74 is retracted, and then the conveyor 72 is moved by one pallet. It is pushed up, where the support device 74 is projected. The lifter 73 is lowered.

When taking out one pallet from the pallet magazine, the lifter 73 is raised and the conveyor 72 pushes up the pallet on the support device 74. Next, the support device 74 is retracted, then the conveyor 72 is lowered by one stage of the pallet, and then the support device 74 is projected to support the second pallet from below. Next, if the conveyor 72 is lowered, one pallet can be taken out.

The configuration of the conveyor device 80 and the entrances 23, 24 will be described with reference to FIG. There are conveyors (for example, roller conveyors) at the entrances 23 and 24. Conveyor device 80
It is composed of A, a device 80B, and a chain conveyor 81 connecting them. The conveyor devices 80A and 80B include a chain conveyor 82 that conveys in the X direction and a roller conveyor 83 that conveys in the Y direction. The chain conveyor 82 can move up and down with respect to the roller conveyor 83, and can receive the pallet from the conveyor 72 of the pallet magazine 70C in the raised position. The chain conveyor 81 connects the conveyor devices 80A and 80B, and is installed at a raised position of the chain conveyor 82. The roller conveyor 83 is rotatable in the forward and reverse directions and is connected to the conveyors of the entrances 23 and 24.

The conveyors of the entrances 23 and 24 are divided into a front part, a rear part, and an intermediate part, and the lifting tool 27b of the monorail car 27 moves up and down in the gap between the parts. The platform around the entrances 23 and 24 has a hanger 27b.
Has a recess for entering under the pallet.

The operation of this configuration will be described.

The warehousing operation will be described.

When the pallet taken out from the pallet magazine 70 is set in the entry ports 23, 24 via the conveyor device 80, the vehicle can enter the entry ports 23, 24. The vehicle enters in the forward direction.

Monorail car 27
Is lifted and conveyed to the designated storage entrance 13.

The dolly 15 enters the storage opening 13 with the elevating base 51 lowered and the fork 52 contracted. Lift the fork 52 by protruding the fork 52
To receive the vehicle-mounted pallet and drive toward the transfer port 10.

At the transfer port 10, the elevating table 51 is lowered to place the on-vehicle pallet on the transfer port 10. The dolly 15 travels toward the entrance 13 with the fork 52 retracted. The on-vehicle pallet at the transfer port 10 is stored on the shelf by the stacker crane 1.

The leaving operation will be described.

When there is a delivery command, the stacker crane 1 removes the vehicle from the shelf and places it on the transfer port 11.

The dolly 19 projects the fork 52 and raises the lift 51,
Receive the car pallet. In this state, the vehicle runs toward the exit port 17.

At the exit port 17, the elevating table 51 is lowered and the on-vehicle pallet is placed on the exit port 17. For the dolly, the fork 52 is shortened and the transfer port 11
Drive towards.

When the vehicle exits from the exit port 17, the conveyor 61 collects the
To transport empty pallets. The conveyor 61 is started, for example, by providing a plurality of photoelectric detectors that detect the presence or absence of a vehicle at the exit port 17, and if the photoelectric detector detects that the vehicle has exited from the exit port 17, a predetermined time elapses. The conveyor 61 is activated.

The recovery port 60 has a photoelectric detector that detects the arrival of empty pallets, and stops the conveyor 61 when the arrival of the empty pallets is detected. This empty pallet is hung by a subsequent empty monorail car 27 and carried out. The cart 19 cannot enter the collection port 60 until the empty pallet is collected by the monorail car 27.

The monorail car 27 in which an empty pallet is suspended conveys this pallet to the conveyor 78 of the pallet magazine 70 and lowers it. The pallet magazine 70 conveys the pallets on the conveyor 78 to any of the pallet magazines 70A, 70B, 70C capable of being stacked, and stacks them.

When a predetermined number of pallets are stacked in any of the pallet magazines 70A, 70B, 70C, the monorail car 27 lifts the stacked pallets from the pallet magazine and conveys the stacked pallets to any of the storage ports 13.

Before the pallet magazine 70A, 70B, or 70C runs out of pallets, the stacking pallets from any of the shelving groups 5 and 6 are delivered to the collection port 60 using the stacker crane 1 and the carriage 19. The monorail car 27 supplies this to the storage room 75 of the pallet magazine where the pallet is used up.

As described above, since the roller conveyor is not used to convey the vehicle-mounted pallet, it is possible to prevent the occurrence of problems due to the roller conveyor.

Since the entry passage is overhead and the exit passage is on the ground, it is possible to enter and exit at the same time.
That is, the vehicle can be unloaded from the set of shelving groups on the left half while the vehicle is loaded into the set of shelving groups on the right half of FIG. 1, and the detailed loading and unloading operations can be performed at the same time. is there. Also, the control becomes easy.

Since the traveling line 28 does not pass above the exit port 17, it is safe.

Since all the sets of shelving groups have exit ports, it is possible to directly issue from all the shelving groups and to issue a large number of vehicles at one time. This is a configuration that prioritizes unloading rather than warehousing, and is suitable for applications such as storage by automobile manufacturers and distribution centers.

In addition, the exit 17 is the entrance 17, the entrance 17 is the entrance, the entrance 13 is the exit,
If the entrances 23 and 24 are exits, the entry priority is given.

One shelf group 5 is provided with a storage entrance 13, a carriage 15, and a transfer opening 10, and the other shelf group 6 is provided with a transfer opening 11, a carriage 19, a delivery opening 17, etc. It is possible to mix incoming and outgoing in a shelf group.

Plural pallet magazines 70A, 70 are provided upstream of the entrances 23, 24.
Equipped with B and 70C (each can stack the number of pallets that can be stored on a shelf). Therefore, since one pallet magazine can supply pallets to a plurality of entry ports, the rate of pallet shortage is small when viewed from the entry port side. In addition, since the delivery port 17 is connected to the plurality of pallet magazines 70A, 70B, 70C, the rate at which stacking cannot be performed is small when viewed from the delivery port side. For this reason, interruption of warehousing and warehousing is reduced.

If a stacking pallet is provided between the conveyor 72 of the pallet magazine 70 and the supporting device 74, that is, the stacking pallet is placed on the conveyor 72 of the pallet magazine 70 and conveyed from the conveyor 78 to the conveyor 80. If possible, the stacked pallets can be supplied at the position of the conveyor 78, and the stacked pallets can be collected at the position of the conveyor device 80, and the stop position of the monorail car 27 can be reduced.

If the tip end of the hanging tool 27b of the monorail car 27 is provided so as to be inserted between the stacked pallets, the recovered empty pallets can be lowered from above the storage chamber 75 and stacked. If a limit switch for detecting whether or not a pallet is placed on the tip of the hanging tool 27b is provided, it can be determined whether or not the pallet of the hanging tool 27b is placed on the pallet of the storage chamber 75.

In the above embodiment, if the exit port 17 and the recovery port 60 are located at the same position, the conveyor 61 can be eliminated.

If the shelf group 5 is not provided with a transfer port, a storage port is provided in the middle of the traveling path of the carriage 19.

The embodiment shown in FIG. 9 will be described. A transfer port 10a is provided on the second row shelf of the shelf group 5, and the first row shelf serves as a passage for the carriage 15.
There is a delivery opening 17a in front of the shelf group 5. Dolly 15 is transfer port 10a
And the exit 17a.
There are 60a and conveyor 61a. A truck 19 under the traveling line 28
There is a storage entrance 13a in the passage. Stacker crane 1 is 2
It has a pair of forks 1a, 1b.

When the transfer is performed at the transfer ports 10a and 11, the fork 1a projects to the transfer port 11 and the fork 1b projects to the transfer port 10a at the same time. Then, the lift table including the forks 1a and 1b moves up and down in this state. Therefore, it is possible to leave the vehicles at the transfer ports 10a and 11 at the same time and receive the loaded vehicles at the same time.

According to this, since it is possible to leave the two outlets 17 and 17a at the same time, it is possible to perform the leaving in an extremely short time. on the other hand,
It is possible to store two storage ports 13 and 13a in one traveling line 27, and the configuration can be simplified.

A gap 45 is provided between each pair so that the vehicle door can be opened and the passengers can board the vehicle.

〔The invention's effect〕

As described above, according to the present invention, it is possible to substantially eliminate the need for a roller conveyor for carrying an on-vehicle pallet, and it is possible to carry out loading and unloading from one end of a three-dimensional warehouse at the same time. The warehousing can be carried out directly from each three-dimensional warehouse to each warehousing port, and a large number of warehousing can be carried out in a short time. Moreover, the control of warehousing and warehousing becomes easy.

[Brief description of drawings]

FIG. 1 is an overall plan view of the loading / unloading section of a multi-storey parking lot according to an embodiment of the present invention, FIG. 2 is an enlarged plan view of a part of the loading / unloading section of FIG. 1, and FIG. III-III sectional view, FIG. 4 is a front view of a truck according to one embodiment of the present invention, FIG. 5 is a plan view of the truck of FIG. 4, and FIG. 6 is a front view of a pallet magazine according to one embodiment of the present invention. FIG. 7 is an enlarged view of a conveyor device according to an embodiment of the present invention, FIG. 8 is a front view of a monorail car, and FIG. 9 is a plan view of a part of a loading / unloading section of another embodiment of the present invention. Is. 1 ... Stacker crane, 5,6 ... Shelves, 10,10a, 11 ...
Transfer port, 13,13a …… Incoming port, 15,19 …… Car, 17,17a…
… Outlet, 21 …… Exit, 23,24 …… Entrance, 25,26 ……
Approach road, 27 …… monorail car, 28 …… running line, 6
0,60a …… Collection port, 61 …… Conveyor, 70,70A, 70B, 70C…
… Pallet magazine, 80… Conveyor device

Claims (1)

[Claims] 1. A three-dimensional warehouse in which a plurality of sets each including a transfer device and a large number of shelves provided along a traveling path of the transfer device are arranged side by side, and between the transfer devices provided in each of the sets. A loading port for loading and unloading that can transfer the on-vehicle pallet, and a loading port for loading and unloading, provided within the range of the width of the multi-story warehouse in the direction in which the plurality of sets are arranged side by side. An entrance provided for each transfer port for use, which is provided within the above range, is provided for each transfer port for each exit, and an exit for the driver to board, A pallet for traveling between the loading / unloading port and each of the transfer ports, which is a ground-traveling type trolley that raises and lowers a pallet mounting surface, and is provided outside the range. There is an entrance for the driver to get off the vehicle, the exit and the A pallet recovery port provided on the traveling path of the trolley between the storage port and the pallet; and a pallet magazine provided near the entry port for stacking pallets and supplying the pallet to the entry port, The vehicle travels on a traveling line which passes over the entry port, the respective loading ports, the respective recovery ports, and the pallet magazine and returns to the entry port. A three-dimensional parking lot consisting of an overhead traveling carriage that lifts an in-vehicle pallet at the entry port, lowers the in-vehicle pallet at the storage port, lifts an empty pallet at the recovery port, and unloads the empty pallet at the pallet magazine. .