Exhaust treatment unit and method of attaching and detaching exhaust treatment unit

摘要

An exhaust treatment unit includes an exhaust treatment device that treats exhaust gas from an engine of a work vehicle, a bracket including an attachment portion attachable to a hoisting hook, and a detachable component. The bracket supports the exhaust treatment device. The detachable component is attachable to and detachable from the attachment portion. When the unit is attached, the hoisting hook is attached to the attachment portion, the unit is hoisted using a hoisting tool including the hoisting hook, moved to an attachment position and installed in the work vehicle. The hoisting hook is then detached from the attachment portion and the detachable component is attached to the unit using the attachment portion. When the unit is detached, the detachable component is detached from the attachment portion, the hoisting hook is attached to the attachment portion, and the unit is hoisted and detached using the hoisting tool.

主权项

1. An exhaust treatment unit for treating exhaust gas from an engine of a work vehicle, the exhaust gas treatment unit comprising:
exhaust treatment devices configured to treat exhaust gas, the exhaust treatment devices having a cylindrical shape, the exhaust treatment devices including a first exhaust treatment device and a second exhaust treatment device; a connection pipe connecting the first exhaust treatment device and the second exhaust treatment device; a bracket including an attachment portion attachable to a hoisting hook, the bracket supporting the exhaust treatment device; and a detachable component attachable to and detachable from the attachment portion, the first exhaust treatment device and the second exhaust treatment device being disposed in alignment such that longitudinal directions of the first exhaust treatment device and the second exhaust treatment device extend in an identical direction, the connection pipe being disposed above the second exhaust treatment device adjacent to the second exhaust treatment device such that a longitudinal direction of the connection pipe extends in the identical direction, an outer diameter of the connection pipe being smaller than an outer diameter of the second exhaust treatment device, the attachment portion being provided between the first exhaust treatment device and the second exhaust treatment device, the bracket including a sub-bracket supporting the first exhaust treatment device and a base bracket supporting the second exhaust treatment device and the sub-bracket, the bracket supporting the first exhaust treatment device and the second exhaust treatment device such that a center axis of the first exhaust treatment device is above a center axis of the second exhaust treatment device, and the second exhaust treatment device being fixed on the base bracket.