US 12,090,812 B2 · Construction machine

Abstract

Provided is a construction machine with which it is possible to shorten a duct for an air conditioning device disposed in a driver's cab, and to secure space for disposing a hydraulic hose, a control valve and the like under the floor of the driver's cab. A hydraulic excavator is provided with a cabin covering an maneuvering unit, a turning frame on which the cabin is mounted, and an air conditioning device for air conditioning the inside of the cabin, wherein: the turning frame includes a cabin installation portion in which the cabin 6 is installed; the cabin installation portion 7a includes a box-shaped right frame having a first opening portion and a second opening portion that communicate with one another; and an air conditioned air discharge opening of the air conditioning device communicates with the first opening portion.

Claims19

Dependent claims

A construction machine comprising:

a cabin covering a maneuvering unit,
a frame on which the cabin is mounted, and
an air conditioning device configured to air condition an interior of the cabin,
wherein:
the frame includes a cabin installation portion on which the cabin is installed,
the cabin installation portion includes a box-shaped structure including a first opening portion and a second opening portion that communicate with each other,
an air-conditioned air outlet of the air conditioning device communicates to the first opening portion or the second opening portion, and
the air conditioning device is disposed inside the cabin.

5 more elements

Dependencies are inferred from the claim text.

Construction machine

Life of this patent

Construction machine

Life of this patent

Abstract

Claims19