Daifuku Co. | Date: 2015-07-15
A main controller controls carry in operations and carry out operations of articles to or from an article storage rack using article transport devices by causing a control command to be transmitted from a first optical communication device that is associated with each article transport device to a second optical communication device provided to each article transport device. The main controller is configured to perform a temporally-divided light-emission control in which a plurality of the first optical communication devices are caused to emit light in a temporally divided manner such that there is only one first optical communication device that emits light in any one time period among the first optical communication devices that are located close to one another in the vertical direction.
Daifuku Co. | Date: 2015-03-10
This invention provides an overhead carrier for transporting an article on a ceiling of an article conveying system can travel on curves with various curvatures so as to increase the layout flexibility of traveling rails. Driving wheels that move an overhead carrier along traveling rails and non-driving wheels that are rotated separately from the driving wheels are provided on the right and left of the transport direction of the overhead carrier. In a linear section, the driving wheels on the right and left sides are supported by the traveling rails. In a curved section, the inner non-driving wheel is supported by the inner traveling rail while the outer driving wheel is supported by the outer traveling rail.
Daifuku Co. | Date: 2015-05-19
A transport device that can transport stacked articles to be transported without changing a device configuration and can correct and prevent a displacement of the stacked articles to be transported with a simple device configuration. A chucking device is provided to hold trays in a stacked state. The chucking device is provided with an overhead carriage for transporting the trays held by the chucking device. The chucking device includes a holding unit that holds the trays and sensors that detect the trays held by the holding unit. The holding unit is configured such that the holding operation of the holding unit on the trays is controlled based on detection of the sensors, and correct and prevent a displacement of the stacked trays.
Daifuku Co. | Date: 2015-07-13
An inter-floor transport facility in which a raising and lowering transport device is provided for each of the raising and lowering paths that are adjacent to each other. Receiving platforms include a carry in article receiving platform for supporting an article that is being carried in to the floor, a carry out article receiving platform for supporting an article that is being carried out from the floor, and a storage-purpose receiving platform for storing a transported article. On each floor, the carry in article receiving platform and the carry out article receiving platform are so located that the article can be transferred between one transfer device and both of the carry in article receiving platform and the carry out article receiving platform, and the storage-purpose receiving platform is so located that all of the transfer devices can transfer the article to or from the storage-purpose receiving platform.
Daifuku Co. | Date: 2015-04-01
An article transport vehicle is provided which can prevent a lid from falling from the container gripped by grip portions and which can prevent increase in the size of the device. A lid fall prevention member is provided which can be moved between a near position in which the lid fall prevention member is close to the lid on the side the outer surface of the lid is located, to prevent the lid from falling, and an away position in which the lid fall prevention member is farther away from the lid to allow the lid to be detached and attached. An operatively connecting mechanism is also provided which moves the lid fall prevention member from the near position to the away position as a pair of the grip portions are moved from gripping positions to grip release positions by grip actuator portion, and which moves the lid fall prevention member from the away position to the near position as the pair of the grip portions are moved from the grip release positions to the gripping positions by the grip actuator portion.