Floor frame supporting structure for construction machines

Details Floor frame supporting structure for construction machines Floor frame supporting structure for construction machines

1994-06-08

1996-03-12

Kramer, Dean

Land vehicles: bodies and tops

Bodies

Structural detail

296 351, B62D 2400

Patent

active

054980607

ABSTRACT:
A floor frame supporting structure for an operator cabin on a construction vehicle, which is capable of absorbing vibration and large shock loads and of preventing rolling of the operator cabin and which has a simple construction, includes buffer support members (10L, 10R) which connect bearings (13) clamped at a front right side portion and a front left side portion of a floor frame (2) of the operator cabin (1), and joint members (11L, 11R) which are movably clamped to brackets (4L, 4R) fixed to the vehicle frame (3). A rear right side portion and a rear left side portion of the floor frame (2) are supported by rubber mount viscous dampers (20L, 20R) which are mounted on brackets (5L and 5R) fixed to the vehicle frame (3). The mounted positions of the rubber mount viscous dampers are approximately as high as the center of gravity of the operator cabin. Vibrations in a regular run are absorbed by the rubber bushings of the buffer support members ( 10L, 10R) and the rubber members of the multi-layer rubber mount viscous dampers (20L, 20R), and a shock load, such as when the construction vehicle runs over an obstruction, is absorbed by a pitching motion around the shafts (15L, 15R).

REFERENCES:
patent: 3420568 (1969-01-01), Henriksson et al.
patent: 3985385 (1976-10-01), Kennicutt et al.
patent: 4135757 (1979-01-01), Smith et al.
patent: 4265328 (1981-05-01), Rowa et al.
patent: 4638878 (1987-01-01), Komp
patent: 5024283 (1991-06-01), Deli

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