Inspection device, inspection system, and inspection method
AssigneeIHI Corporation
InventorEisuke SHIINA
Life of this patent
Estimating the term…
Abstract
An inspection device is to be placed between an inner vessel and an outer vessel of a double vessel, wherein the inner vessel and the outer vessel partly have a cylindrical shape. The inspection device includes an inspection unit that inspects the inner vessel as a target, a main body that is provided with a wheel to travel, and an arm that includes a radial limiter for limiting movement of the main body in a radial direction of the double vessel. Under a state in which a surface of the main body is in contact with a vertical upper surface of a guide extending in a circumferential direction of the outer vessel, the inspection device travels in the circumferential direction on an inner surface of the outer vessel.
Claims9
An inspection device to be placed between an inner vessel and an outer vessel of a double vessel, the inner vessel and the outer vessel partly having a cylindrical shape, the inspection device comprising:
- an inspection unit that inspects the inner vessel as a target;
- a main body that is provided with a wheel to travel;
- and
- an arm that includes a radial limiter for limiting movement of the main body in a radial direction of the double vessel,
- wherein, under a state in which a surface of the main body is in contact with a vertical upper surface of a guide extending in a circumferential direction of the outer vessel, the inspection device travels in the circumferential direction on an inner surface of the outer vessel.
An inspection method using an inspection device to be placed between an inner vessel and an outer vessel of a double vessel, the inner vessel and the outer vessel partly having a cylindrical shape,
- the inspection device including:
- an inspection unit that inspects the inner vessel as a target;
- a main body that is provided with a wheel to travel;
- and
- an arm that includes a radial limiter for limiting movement of the main body in a radial direction of the double vessel,
- the inspection method comprising the processes of:
- suspending the inspection device to place the inspection device such that a surface of the main body is in contact with a vertical upper surface of a guide extending in a circumferential direction of the outer vessel;
- limiting movement of the inspection device in the radial direction by operating the radial limiter;
- causing the inspection device to travel in the circumferential direction by driving the wheel;
- performing an inspection on the inner vessel as the target;
- and
- stopping the radial limiter to lift the inspection device.
Dependencies are inferred from the claim text.