SU34434A1 - Hydraulic drive - Google Patents

Description

The invention relates to hydraulic drives with co-ordinated installed pump and turbine parts. It has already been proposed in such drives to direct the liquid in the form of a cylindrical or thickened screw ring, the smallest cross section of which is radially aligned with the axis of the drive. Since, in the known drives, due to the rotational motion, the fluid is under the action of centrifugal force, it is necessary to turn the fluid back upon loss of work. To eliminate this disadvantage, the turbine wheel of the proposed drive has two concentric paddles and it is enclosed by a pump wheel housing that is 1immetrically to the drive axis, which are segmental in cross section, carrying blades with working spaces so that the fluid is constantly driven through concentric turbine crowns. ,

In FIG. 1 shows a vertical section of the drive; FIG. 2- cuts according to / 4B and AC in FIG. 1, and FIG. 3-section of another form of execution of the drive.,

On shaft a, a six-wheel fixed gear wheel with a two-blade blade is fixed.

(540); -:

C VI d, the guide vanes of which are located in opposite directions. The drive wheel b is enclosed by the case e with two annular channels, having the shape of segments in cross section, in which there are turbine blades. The turbine housing is coupled to the shaft A for power delivery. If the shaft a is rotated by the motor, then the guide vanes of the rims with v (d fluid is set in motion in the direction of the rim of the rims, so that a circular motion is obtained. The fluid leaves the upper rim to the left to the upper part of the blade /, flows down, enters the lower end on the left and then on the right to the right side of the blades and flows out to the upper channel on the left. The left side of the outer crown drops liquid to the outer crown of the turbine wheel, the right side of the internal crown to the inner side of the right turbine crown. There is no need for fluid suction due to loss of force, as pressure conditions on both sides are leveled. In almost similar conditions, the outer rim can also act as a drive, and the inner rim, like a turbine.

at the moment after power is lost in the turbine crowns, it loses speed, then it is advisable to position the turbine blades radially or tangentially to the inner circle, ahead or late, in order to obtain a greater or lesser difference in speeds or an increase in speeds. The advantages of this device are circulation without resistance under equalizing conditions of pressure in the housing of the hydraulic actuator.

FIG. Figure 3 shows a device with four blades, rims in the drive and in a drive wheel with two radial and two axial rims, so that the fluid must pass four guide vanes and four drive vanes in one circuit.

PREMIUM OF THE PATENT.

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The hydraulic drive is located at the Pump and turbine chaS-: mi, in which the liquid passes in the form of a thickened screw ring, the smallest cross section of which is radial, but relative to the axis; the drive, characterized in that the turbo wheel has two concentric vanes and a circle pump wheel housing provided, symmetrically with respect to the axis of the drive, segmented in cross section, carrying blades by workers, / spaces, so that the fluid is continuously driven along concentrically Viennese turbine, the transition series with one side of the turbine wheel to the other.