| 简介 |
DESIGNATION : it is intended for the postharvest working of soil, for the peeling of stubble, for the primary working of the old-arable earth and heavy grass-covered soils, for the loosening of soil, the destruction of weeds and crushing of after-harvest remainders, and also for the care of meadows. DECIDED TASK : an increase in the reliability of the work of the operating unit of the soil-treating aggregate and quality of working soil, and also an increase in the convenience in its operation, maintenance and maintainability due to an increase in technological effectiveness and reduction in the labor expense for the production of disk and operating unit as a whole. ESSENCE OF THE USEFUL MODEL : before the operating unit of the soil-treating aggregate, which contains the spherical disk, fixed on the counter inclined down to the vertical plane and the bearing unit, supplied for the sake of housing, which includes the axis of bearing unit and the device of packing, is proposed bearing unit to arrange based on the outer (convex) side of spherical disk and to carry out by such in such a way that the housing of bearing unit before the middle part has the discoidal flange, with the aid of which it is rigidly connected with the spherical disk so that the forward section of the housing “it is drowned” before the internal part of the spherical disk and it is closed for the sake of cover, in this case beyond the axis of bearing unit closed type one radial-thrust double-row ball bearing is established, is proposed also the device of packing to perform so that it located above the ball bearing it contains the bushing with the collar, located beyond to the axis of bearing unit, two-spring sleeve and cup-shaped form the anther, which forms the labyrinth between the collar of bushing, the end of housing and the exterior of the housing, which is adjacent down the anther, and for the fastening to the soil-treating aggregate is proposed counter before the upper part to supply for the sake of axis with the guide and to carry out by detachable, for which the upper part of the counter is fastened rigidly beyond the axis with the guide with the aid of the fastening elements, and the lower part of the counter is executed with the opening, before which is also with the aid of the fastening elements rigidly fixed the axis of bearing unit. Before the spherical disk of the operating unit of the soil-treating aggregate, made in the form of convex metallic disk with the flat edge or with the figured grooves on the edge and with the groove of cutting edge, it is proposed before the center section the disk to carry out by that truncated with the formation of flat area for the fastening to the bearing unit of operating unit, in this case spherical disk is executed with the outside diameter, which composes 570÷630 mm, with the radius of curvature of disk, by the component of 700±5 mm and with the diameter of flat area, by the component of 160÷190 mm. |
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