SU1206128A1 - Agricultural machine cabin suspension - Google Patents

Description

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FIELD OF THE INVENTION The invention relates to transport and agricultural machinery, in particular, cab suspension.

The purpose of the invention is to enhance the functionality of the cab suspension. .

Figure 1 shows an agricultural machine, a general view; Fig.2 - the first elasto-amortized support; on fig.Z - the second elastic-depreciation supportJ on fig.A - - a type And on fig.Z

The suspension contains two elastic-damping supports, one of which contains a support pull 1, bolted in the sockets of the cross member of the chassis frame 2. The support spot 1 enters freely in it a rotating rod 3, spliced under the cross member of the frame 2. On the stem 3 Having slots for projections in loops x 4, the cab 5 of the self-propelled block chassis is the last to be hung. For cushioning from natural vibration and shock loads, the coil spring 6 is coaxially fitted onto the rod 3, abutting the upper part into the lower loop 4 of the cab, the lower end - into the swivel gear 7, between which the hydraulic shock absorbers 8 and the bevel gear 7 A cab 5 rotates through a toothed rack 9 connected to a hydrocylidrome 10 equal from the cab. Between the upper part of support bar 1 and gear 7 a bearing t1 is mounted to reduce oscillations from the resultant

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Strength and impact loads from unevenness of the floor, beneath the middle of the cab is installed another elastic-cushioning support (these supports can be two or more), which contains a cylinder 12 mounted on a self-propelled chassis coaxially on the cross member 2 with a plate 13 worn on it. a coil spring 14, hydraulic shock absorbers 15. A gasket 16 made of an elastic material, such as rubber, is fixed on the upper surface of the plate 13 to reduce noise. Inside the inner cylinder 12 is placed the rod 17, which interacts with the holes 18 made in the bottom of the cab.

Suspension works as follows.

Reducing the amplitude of vibrations and shock loads in the vertical plane is achieved by using Coil Springs 6 and 14, hydraulic shock absorbers 8 and 15. The cab is rotated at a predetermined angle from the driver’s cab through hydraulic cylinder 10, slatted rail 9, gear 7 mounted on rod 3, which the spline joint is connected to the loops 4. In this case, the swivel gear 7 is displaced on bearings 11 relative to support point 1 fixed to the cross member 2 of the chassis frame. Before starting the turn, the rod 17 of the hydraulic cylinder 12 is withdrawn from the hole 18. After turning the cab to a predetermined angle, the rod 17 of the hydraulic cylinder 12 is inserted into the hole 18 in the bottom of the cab.

Compiled by A.Nikitin Editor A.Sabo Tehred O.Vashchishina

Order 8625/17 Circulation 648 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Branch PPP Patent, Uzhgorod, Proektna St., 4

Phi

Proofreader T. Kolb

Claims (2)

1. SUSPENSION OF A CABLE OF AGRICULTURAL MACHINE, containing elasto-damping cab supports located on the chassis frame, characterized in that, in order to expand the functionality, one of the elastic-damping supports is connected to the chassis frame via an element rotatable relative to it, which is rigidly connected to the rod, which by means of a splined connection it is connected to the cab, and the other elastically-absorbing support is equipped with a device for fixing the cab relatively! chassis frames. 2. The suspension according to claim 1, characterized in that the device for fixing the cab relative to the chassis frame includes a power cylinder mounted on the frame, interacting with the rod with holes made in the bottom of the cab, and a plate rigidly mounted on the body of the power cylinder and placed between the bottom of the cab and her other resiliently support. ί