Cab of construction machinery
A technology for construction machinery and cabs, applied in the field of cabs, can solve problems such as cab deformation, and achieve the effects of improving support strength, easy handling and strength.
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[0046] Hereinafter, a construction machine cab according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 8 by taking a cab mounted on a crawler-type hydraulic excavator as an example.
[0047] In FIG. 1, 1 is a crawler-type hydraulic excavator as a construction machine. The hydraulic excavator 1 is roughly composed of a self-propelled lower traveling body 2, which is rotatably mounted on the lower traveling body 2, and travels with the lower part. The bodies 2 collectively constitute a revolving upper body 3 of a vehicle body, and are provided on the front side of the revolving upper body 3 so as to be capable of pitching and pitching, and constitute a working device 4 for performing earthwork excavation work and the like.
[0048] In addition, the upper revolving body 3 is roughly composed of a revolving frame 5, and a cab 11, which will be described later, is mounted on the front left side of the revolving frame 5, and a coun...
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