Abstract: A propeller guard 2 includes: a propeller guard body 10 configured to surround a propeller 30 of a flight vehicle 20; and a rotating member 40 provided on a side surface of the propeller guard body 10, in which the rotating member 40 is able to rotate around at least a horizontal base axis in a case where the rotating member 40 is in contact with a vertical plane located outside the propeller guard body 10.

Abstract: A vibration reproduction device (100) is a vibration reproduction device that reproduces vibration of a pipeline (10) attached to a structure, and includes: a plurality of support members (101a, 101b) for supporting the pipeline; a fixing members (102a, 102b) for fastening the pipeline to the support members; support bases (103a, 103b) that are joined to the support members and to which a vibration force is applied; and viscoelastic members (106a, 106b) provided between the support bases and the ground.

Abstract: A vibration test device (100) is a vibration test device for testing vibration of a pipeline (10) attached to a structure. The vibration test device includes a plurality of support members (101a, 101b) that are joined to a wall surface with a predetermined gap therebetween and support the pipeline, a first fixing member (102a) that fastens the pipeline to a first support member at a position where one end of the pipeline protrudes from the first support member, a second fixing member (102b) that fastens the pipeline to a second support member at a position where another end of the pipeline protrudes from the second support member, a vibration-applying portion (103) that applies vibration force to one of the support members, a detection unit (104) that detects vibration of the pipeline, and a measurement unit (105) that measures a vibration characteristic of the pipeline.

Abstract: Provided is a crewless aircraft capable of accurately estimating its own position even inside a manhole, as well as a crewless aircraft control method. A crewless aircraft according to the present invention is a crewless aircraft used to inspect an interior of a manhole, and includes: a camera sensor that captures an image of a manhole opening; a plurality of rangefinders that measure a distance to a ground surface or a predetermined surface in the interior; and a control unit that estimates an own position on the basis of recognition information of the manhole opening obtained by performing recognition on image information obtained from the camera sensor, and distance information of the distance to the ground surface or the predetermined surface obtained from the rangefinders.

Abstract: A storage device (10) that stores an unmanned aerial vehicle (30) includes a gripping portion (11) for gripping the unmanned aerial vehicle (30), and a main body portion (10) having a suction surface (21) to which an upper surface (313) of the unmanned aerial vehicle (30) is suctioned.

Abstract: A storage device (20) according to the present disclosure is a storage device that stores an unmanned aerial vehicle (30), and includes a main body portion (21) having a curved surface on which the unmanned aerial vehicle (30) is movable by bringing its wheels (302) into contact therewith, and a gripping portion (23) for gripping the unmanned aerial vehicle (30).

Abstract: A storage device (10) that can be installed in place of a lid of a manhole (100) includes a storage portion (11) that stores an unmanned aerial vehicle (30) and a partition plate (12) that partitions the storage portion (11) and the manhole (100), and the partition plate (12) can slide or be opened and closed.

Abstract: A propeller guard 10 includes a frame 16 provided along a rotating surface of a propeller 30 and surrounding a rotating end 30b of the propeller 30, in which the frame 16 includes a plurality of protrusions 16b protruding outward in plan view.

Abstract: A propeller guard 2 includes: a propeller guard body 10 configured to surround a propeller 30 of a flight vehicle 20; and a repulsive member 40 provided to protrude on the propeller guard body 10 and including a first end and a second end to exert repulsive force outward from the propeller guard body 10, in which the first end 41 of the repulsive member is located outside an outer edge of the propeller guard body 10 as viewed from vertically above.

Abstract: A propeller guard 2 includes: a propeller guard body 10 configured to surround a propeller 30 of a flight vehicle 20; and a rod-shaped body 40 provided on an upper portion of the propeller guard body 10 and including a first end 44 and a second end 41, in which the first end 44 of the rod-shaped body 40 is provided near a peripheral portion of an upper surface of the propeller guard body 10, and the rod-shaped body 40 extends while passing above the upper surface of the propeller guard body 10 as viewed from vertically above.

Abstract: A propeller guard 2 includes a propeller guard body 10 configured to surround a propeller 30 of a flight vehicle 20; and a repulsion mechanism 40 including a first end 45 and a second end 46 and provided to protrude on the propeller guard body 10 through the first end 45, in which the repulsion mechanism 40 includes a mechanism to separate the propeller guard body from an object in response to contact of the second end with the object.

Abstract: A propeller guard 10 includes an upper frame 12 provided on the uppermost surface of the propeller guard 10, a base frame 15 provided on the lowermost surface of the propeller guard, and a curved frame 18 that couples the upper frame 12 and the base frame 15 together and is curved outward.

Abstract: A deterioration detection apparatus (200) that detects deterioration of equipment (3) attached to a structure (2), and includes an equipment region extraction unit (221) that extracts a region in which the equipment (3) is present, based on a captured image of the equipment (3), and a deterioration region detection unit (222) that detects a deterioration region of the equipment, based on the region in which the equipment (3) is present.

Abstract: An inspection apparatus (100) according to an aspect of the present invention includes a first determination unit (121) that determines an operation of an unmanned aerial vehicle (1) based on a first threshold for determining whether the unmanned aerial vehicle (1) can enter the inside, a second threshold, which is greater than the first threshold, for determining whether the unmanned aerial vehicle (1) can land on a water surface of pooled water in the inside, and space information indicating a space of the inside, and a second determination unit (122) that determines a flight altitude of the unmanned aerial vehicle (1) with respect to the water surface or a floor surface of the manhole after the unmanned aerial vehicle (1) enters the inside based on the first and second thresholds, and the space information in a case where it has been determined that the unmanned aerial vehicle (1) can enter the inside and cannot land on the water surface.

Abstract: An unmanned aircraft (100) according to the present disclosure is equipped with a flight propeller (2) and includes a main body (1), a locomotion unit having an aquatic locomotion mechanism and a terrestrial locomotion mechanism independent of the flight propeller, and a connector that connects the main body and the locomotion mechanisms.

Abstract: A propeller guard (200) according to the present disclosure is a propeller guard (200) for an unmanned aerial vehicle including a main body part (1) and a propeller part (2) and includes: an encircling part (210) that extends around the propeller part (2) and protects the propeller part (2); and a connection part (220) that connects the main body part (1) and the encircling part (210), wherein the encircling part (210) has a buoyant force for maintaining at least a part of the main body part (1) and the propeller part (2) above water.