JP2570646Y2 - Line-off device for tracked bogies - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line-off device for a tracked truck that separates a traveling truck from a guide rail.

[0002]

In general, automated warehouse system, as shown in FIG. 6, the adjacent rack rows a, juxtaposed multiple lanes R ₁ to R _n with a, in front of these lanes R ₁ to R _n And a tracked truck b is installed on the vehicle. Conventionally, in such a tracked carriage b, a traveling carriage d is reciprocated along a pair of guide rails c, c arranged side by side,
The load from the storage line e is transferred to a predetermined lane for delivery, and the load removed from each lane is transferred to the discharge line f.

Incidentally, in such a tracked truck b, it is necessary to appropriately perform maintenance of the traveling truck d. In this case, when the traveling carriage d is stopped on the guide rails c and c and maintenance is performed, loading and unloading cannot be performed during that time, and the operating efficiency is reduced. Therefore, conventionally, the traveling carriage d was lifted by the hoist and transported to a predetermined maintenance area, and during that time, the spare traveling carriage was reciprocated on the rails c, c to carry in and out.

[0004]

However, the traveling cart d normally travels by receiving power from a trolley wire attached to the side of the guide rail c, and the traveling cart d is connected to the trolley wire. It has various components that engage with the fixed side (rail side) such as electrical equipment. Therefore, when hoisting the traveling vehicle d by the hoist, it is necessary to remove these parts first, and there is a problem that it takes time and labor.

Accordingly, an object of the present invention is to provide a line-off device for a tracked bogie that can easily and quickly separate a traveling bogie from a guide rail.

[0006]

In order to achieve the above object, the present invention provides a traveling carriage reciprocally movable on a pair of guide rails arranged side by side, and the traveling carriage is mounted on a side of the guide rail. In a tracked truck that is driven by power supply from a trolley wire, one end of the guide rail is cut to form a pair of connecting rails, and the connecting rails are connected to each other by a connecting member. An engaging portion that engages with a claw of a forklift is formed so that the traveling carriage transferred on the transfer rail is released along with the rail.

[0007]

According to the above construction, at the time of maintenance of the traveling vehicle, the traveling vehicle is moved to the connecting rail and the connecting member between the connecting rails is lifted by the forklift, so that no parts are removed from the traveling vehicle. The truck can be separated from the guide rail.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows a schematic configuration of an automatic warehouse system to which the present invention is applied. In the drawing, reference numeral 1 denotes a storage area for storing palletized loads. In the storage area 1, a plurality of traveling paths 2, 2, ... are formed in parallel with each other.
Each traveling path 2 is provided with a stacker crane 3 so as to be able to travel freely. On both sides of the traveling path 2, racks 4 (shelf) for accommodating loads are respectively arranged in a plurality of stages along the traveling direction, and the load at the storage position A is loaded into the predetermined rack 4 by the stacker crane 3 as needed. In addition, the load in the predetermined rack 4 can be moved into and out of the unloading position B.

On the front side of the storage area 1, a tracked truck 6 is provided so as to be orthogonal to the traveling direction of each of the stacker cranes 3.
Is installed, and between the tracked truck 6 and the storage area 1,
An incoming conveyor 5a and an outgoing conveyor 5b for transporting a load between the tracked truck 6 and the positions A and B are provided.

The tracked carriage 6 has a pair of guide rails 7a, 7b arranged side by side, and these guide rails 7a, 7b.
And a traveling carriage 8 reciprocally mounted on the carriage 7b. As shown in FIG. 3, a trolley wire 14 is attached to the side of one of the guide rails 7a and 7b over the entire length thereof, and the traveling cart 8 is supplied with power by the trolley wire 14. I have. The traveling carriage 8 includes wheels 9 that roll on guide rails 7a and 7b, a motor 10 that rotationally drives predetermined wheels 9, and a trolley wire 1.
A power collector 11 and the like meshing with the motor 4 are provided, and electric power from the trolley wire 14 is supplied to the motor 10 via the power collector 11 so that the traveling cart 8 travels on the rails 7a and 7b by itself. It has become. The traveling cart 8 also has
A transfer conveyor 12 for paying out the load placed thereon in the horizontal direction is provided, and the transfer conveyor 12 is also driven by power supply from the current collector 11.

In the tracked truck 6 having the above-described configuration, when the traveling truck 8 is to be maintained, it is necessary to separate the traveling truck 8 from the guide rails 7a and 7b and transport it separately to the maintenance area. Therefore, in this embodiment, as shown in FIG. 1, the guide rails 7a, 7b
A line-off device 20 is installed at one end of the device. The line-off device 20 includes a pair of transfer rails 21 and 21 connected to the guide rails 7a and 7b, and both transfer rails 21 and 21.
And a plurality of connecting members 22 for connecting between them. The connecting rails 21 and 21 are connected to the guide rails 7a,
7b are formed in the same shape as the guide rails 7a,
One end of 7b is cut to a predetermined length (at least a length to which the carriage 8 is transferred). As shown in FIG. 2, the connecting member 22 includes a lower plate 23 on both sides of which the connecting rails 21 are supported, and three support members erected on the lower plate 23 at intervals in the width direction thereof. A plate 24 and an upper plate 25 mounted on the support plate 24.
Two engaging portions 26, 26 are defined by 3 to 25. The engaging portions 26, 26 are connected to the connecting rails 21, 21.
The forklift is used to transport the traveling carriage 8 placed thereon along with the rails 21 by a forklift, and is formed so that a claw portion of the forklift is inserted and engaged.

Next, the operation of this embodiment will be described.

The load conveyed by the traveling carriage 8 is appropriately transferred from the carriage 8 to a predetermined storage conveyor 5a and carried to the storage position A. The cargo arriving at the position A is further conveyed by the stacker crane 3 and stored in a predetermined rack 4 allocated in advance. In addition, the cargo stored in each rack 4 is appropriately taken out by the stacker crane 3 and delivered to the delivery position B. The cargo delivered to the position B is then transported by the delivery conveyor 5b and transferred onto the traveling carriage 8,
The traveling carriage 8 is conveyed and transferred to the front of the retrieval line by traveling.

When the maintenance of the traveling vehicle 8 is required during the operation of the tracked vehicle 6 as described above, first,
As shown in FIG. 1, a line-off device 20 is installed at one end of the guide rails 7a and 7b. At this time, the transfer rails 21 and
1 is installed so as to be connected to the guide rails 7a and 7b.
Thereafter, the traveling cart 8 is caused to travel in the direction of the arrow in FIG.
As shown in FIG.
b, and are transferred onto the connecting rails 21 and 21.

When the traveling vehicle 8 is completely mounted on the connecting rails 21 and 21, the claw portion of the forklift is inserted into the engaging portions 26 and 26 of the line-off device 20 to move the traveling vehicle 8 to the line. The lift-off device 20 is lifted up, and is transported to the maintenance area in this state. Then, as shown in FIG. 5, it is placed on a check table 30 prepared in advance in the maintenance area. Here, the inspection platform 30 is formed at a predetermined height, and an operator goes under the maintenance platform to perform maintenance of the traveling vehicle 8.

During this maintenance, a line-off device 20 having a spare traveling vehicle 8 is installed at one end of the guide rails 7a, 7b, and the traveling vehicle 8 is moved from the device 20 onto the guide rails 7a, 7b. If it is, the automatic warehouse system can be operated continuously.

As described above, according to this embodiment, the guide rail 7
Transfer rails 21 and 21 are continuously provided on one end side of a and 7b, and the traveling vehicle 8 is transferred onto these transfer rails 21 and 21.
Since the traveling carriage 8 is lifted and transported by the forklift together with the transfer rails 21 and 21, the traveling carriage 8 can be easily and quickly moved without removing the components such as the current collector 11 from the traveling carriage 8 as in the related art. Guide rail 7
a, 7b. Moreover, since the traveling carriage 8 is detached along the traveling direction, an expensive hoist or the like is not required, and the traveling carriage 8 can be detached only by the line-off device 20 having a simple structure, and the cost can be reduced.

In the above embodiment, the tracked truck 6 is applied to an automatic warehouse system and is provided on the front side of the storage area 1 so as to carry loads stored in the storage area 1. It can be used for other purposes. For example, the tracked truck 6 may be installed in front of a number of machine tools arranged in a line, and the workpiece or the like may be distributed to predetermined machine tools by the traveling of the traveling truck 8. Further, in the above embodiment, the case where the carriage 8 is detached during maintenance of the traveling carriage 8 has been described.
When the traveling carriage 8 breaks down, it can be similarly removed. Further, in the above-described embodiment, the trolley 8 is transferred onto the transfer rail 21 by pushing the traveling carriage 8, but another trolley wire connected to the trolley wire 14 on one side of the transfer rail 21. Is provided, the traveling vehicle 8 can be moved on the transfer rail 21 by self-propelled.

[0020]

[Effects of the Invention] In short, according to the present invention, the traveling vehicle on the guide rail is transferred onto the connecting rail, and the traveling vehicle can be lifted and transported together with the connecting rail. The traveling carriage can be easily and quickly detached from the guide rail without the necessity of removing the parts from the traveling carriage.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating an example of a system configuration to which a line-off device for a tracked truck according to the present invention is applied;

FIG. 2 is a side view showing an example of a line-off device.

FIG. 3 is a diagram showing an example of an internal configuration of a traveling vehicle.

FIG. 4 is a diagram showing a state in which the traveling carriage is mounted on a line-off device.

FIG. 5 is a diagram showing a state in which the traveling vehicle is placed on an inspection table together with a line-off device.

FIG. 6 is a schematic configuration diagram illustrating an example of an automatic warehouse system.

[Explanation of symbols]

 6 Tracked Truck 7a, 7b Guide Rail 8 Traveling Truck 20 Line-Off Device 21 Transfer Rail 22 Connecting Member 26 Engaging Part

Claims (1)

(57) [Scope of request for utility model registration] 1. A track bogie having a traveling carriage provided on a pair of guide rails juxtaposed to each other so as to be reciprocally movable, and the traveling carriage traveling by power supply from a trolley wire on a side of the guide rail. One end of the rail is cut to form a pair of connecting rails, and the connecting rails are connected to each other by a connecting member, and the connecting member is formed with an engaging portion that engages with a forklift claw. A line-off device for a tracked bogie, wherein the traveling bogie transferred on the transfer rail is separated from the guide rail along with the rail.