Abstract: A transport vehicle system includes a transport vehicle having a first travel unit configured to travel on a track and a transfer unit configured to move in a horizontal direction with respect to the first travel unit to transfer an article and a buffer vehicle having a second travel unit configure to travel on the track on which the transport vehicle travels and an article placement unit provided to be movable integrally with the second travel unit and to be able to deliver the article with the transfer unit of the transport vehicle.

Abstract: An overhead conveying vehicle in which a main body part holding a conveyed object is suspended and supported by a traveling part includes a base unit suspended by the traveling part, a horizontal shaft integrally provided with the base unit and extending in a horizontal direction, and a support part provided on the main body part and supporting the horizontal shaft via a rubber bush.

Abstract: A gripper device includes a pair of engaging portions attached to an elevating section capable of lifting and lowering above an article and respectively engageable with the pair of held portions, and a driver to move the pair of engaging portions from a standby position where a distance between the pair of engaging portions is shorter than an interval between the pair of held portions, to an engaging position where the pair of engaging portions is capable of engaging with the pair of held portions, such that the pair of engaging portions separate from one another.

Abstract: A traveling vehicle that includes a traveling roller travels on a rail. The traveling vehicle system is provided with a measurement device. The measurement device includes: an upper measurement plate configured to be brought into contact with the traveling roller from above; a lower measurement plate configured to be brought into contact with the traveling roller from below; and a detector configured to detect height positions of the upper measurement plate and the lower measurement plate.

Abstract: A temperature sensor device measures a temperature related to a transport cart system and wirelessly transmits the measured temperature. In the transport cart system a transport cart obtains electric power from the power supply line in a non-contact manner. The temperature sensor device includes an E-shaped core, a sensor body, and a temperature sensing substrate. The E-shaped core obtains electric power from the power supply line in a non-contact manner. The sensor body operates by electric power supplied by the E-shaped core and measures the temperature in the vicinity of the terminal block of the transport cart system. The temperature sensing substrate operates by electric power supplied by the E-shaped core and wirelessly transmits the temperature measured by the sensor body.

Abstract: A traveling vehicle system includes a track including a first gap, a partial track, and a second gap, a traveling vehicle including a drive wheel and first and second auxiliary wheels, a first auxiliary track on a near side of the first gap in a traveling direction and in contact with a lower end of the first auxiliary wheel while a lower end of the drive wheel passes through the first gap when the drive wheel enters the partial track, and a second auxiliary track on a far side of the second gap in the traveling direction and in contact with a lower end of the second auxiliary wheel while the lower end of the drive wheel passes through the second gap when the drive wheel leaves the partial track.

Abstract: A transport system includes a plurality of transport vehicles and a controller. The transport vehicle includes a travel unit and transfer unit. The controller performs a blocking control to prohibit transport vehicles other than the transport vehicle from entering a blocking zone corresponding to the area occupied by the transport vehicle when transferring an article in a plan view. To transfer an article from/to a placement table, the transport vehicle travels along the route to the placement table in a first direction. An area of the blocking zone when the transport vehicle accesses to the placement table in the first direction is equal to or less than an area of the blocking zone identified when the transport vehicle accesses to the placement table in the second direction different from the first direction.

Abstract: A conveyance vehicle includes a traveling driver, a main body, an up-and-down stage including a gripper to hold an article and capable of moving up and down with respect to the main body, an up-and-down driver to cause the up-and-down stage to move up and down by drawing out and winding up of belts, a lateral mover to cause the up-and-down driver while being cantilevered to protrude laterally of the main body, and an adjuster. In accordance with a laterally moved amount of the up-and-down driver by the lateral mover and a lowered amount of the up-and-down stage by the up-and-down driver, the adjuster performs one or both of adjustment of the laterally moved amount and adjustment of an orientation of a sensor included in the up-and-down driver to deliver the article to the transfer destination and to receive the article from the transfer destination.

Abstract: A transport vehicle includes: a traveler; a transferer that is mounted on the traveler and receives or delivers an article from or to a transfer destination; and an antenna that is provided so that at least the position or the posture thereof can be changed to follow the action of the transferer, and that performs wireless communication with another device.

Abstract: A ceiling traveling vehicle includes a traveler to travel along a grid-shaped track, a main body coupled to the traveler and below the track, and a detector on a rear side of a center of the main body in a traveling direction of the traveler and below the main body to apply detection light forward in the traveling direction and downward and receive reflected light of the detection light to detect an obstacle.

Abstract: A transport system includes transport vehicles, and a controller to control traveling of the transport vehicles. The track includes a first main track, junction points on the first main track and spaced apart from each other, and branch tracks each connected to the first main track via the junction points different from one another. The junction points are spaced apart from each other on the first main track. On each of the branch tracks, a stop position corresponding to a delivery port for each transport vehicle to deliver and receive a load is provided. The controller controls the respective transport vehicles stopping at the stop positions of the branch tracks to control a transport vehicle on a downstream branch track to start simultaneously with or before a transport vehicle on an upstream branch track.

Abstract: A transfer vehicle system in which transfer vehicles travel on a track includes a measurement portion in a portion of a path continuing to the track to measure a measurement target portion included in the transfer vehicle on the path, an identifier to identify the transfer vehicle for which the measurement target portion has been measured by the measurement portion, a storage to store a measurement result measured by the measurement portion and an identification result identified by the identifier in association with each other, and a display to provide notification of information concerning a state of the measurement target portion determined based on the measurement result and a reference value.

Abstract: A traveling vehicle system includes a track and a ceiling traveling vehicle. The track includes a first track, a second track, and a connection track. The ceiling traveling vehicle includes a direction changer that turns a coupler, which couples a traveling wheel and a main body to each other and passes through a gap between the first track or the second track and the connection track. A guider is provided in the coupler, moves along a first guide surface in a first state in which the traveling wheel rolls on the first track, and moves along a second guide surface in a second state in which the traveling wheel rolls on the second track.

Abstract: A gripper device includes: a holding portion that is attached to an elevating section capable of lifting and lowering above a transfer section to hold an article, a first positioning section that is attached to the elevating section and that positions the holding portion in a horizontal direction with respect to the article by contacting the article at two first contact positions in an upper portion of the article, and a second positioning section that is attached to the elevating section and that positions the holding portion in a height direction with respect to the article by contacting the article at three second contact positions that are not located on a straight line in the upper portion of the article.

Abstract: An overhead transport vehicle includes: a winding drum configured to be driven by one driving motor, and to cause a holding unit to be lifted and lowered by winding and paying out a plurality of belts; at least one second idler roller around which the belt paid out from the winding drum is wound; a base provided on a traveling unit, and configured to support the winding drum and the second idler roller; and a linear motion mechanism configured to move a position of the at least one second idler roller so that a connecting portion of the belt to the holding unit moves in a lifting direction.

Abstract: A coupling structure includes an outer member attached over first and second column members, a first inner member between the first column member and the outer member, a second inner member between the second column member and the outer member, a first fixing member to fix the outer member to the first column member along with the first inner member, a second fixing member to fix the outer member to the second column member along with the second inner member, a third fixing member to fix the first inner member to the first column member, and a fourth fixing member to fix the second inner member to the second column member. The outer member and the first inner member are provided with a first positioner, and the outer member and the second inner member are provided with a second positioner.

Abstract: An overhead transport vehicle includes a holding unit adapted to be lifted and lowered and configured to hold an article; a lifting drive section configured to lift and lower the holding unit; a lateral transfer mechanism configured to move the lifting drive section laterally with respect to a body section; a monitoring sensor provided to the lifting drive section and configured to monitor an area below the lifting drive section and be able to change a monitoring range; and a controller configured to change the monitoring range of the monitoring sensor in accordance with information on tilt of the lifting drive section with respect to a horizontal plane.

Abstract: A damping device includes a damper provided to an outer end of a stacker crane in a traveling direction. The damper includes: a rod member extending along the traveling direction; a first biasing member configured to bias the rod member outward in the traveling direction; and a movement restriction mechanism configured to allow inward movement of the rod member in the traveling direction and restrict outward movement of the rod member in the traveling direction when the rod member has moved inward in the traveling direction.

Abstract: A traveling platform includes a side arm, a first guide, and two or more travel auxiliary rollers. The side arm expands and retracts in a Y direction. The first guide extends in an X direction and includes a third inside surface to guide the side arm in the X direction. The two or more travel auxiliary rollers are provided to the first guide and restrict movement of the traveling platform in the Y direction.

Abstract: A transport vehicle system includes a shelf that includes a shelf board on which an article is placed; a plurality of transport vehicles each including a transferer that travels on a track provided on a ceiling and transfers an article onto the shelf board; a detector supported by the transferer and detects the shelf board; a teaching information generator that generates teaching information relating to a transfer position in the shelf, using a result of detecting the shelf board yielded by the detector; and a structure to measure machine differences for the plurality of transport vehicles, wherein the structure includes an index suspended from the track or the ceiling and can be detected by the detector.