SU658228A1 - Soil thrower - Google Patents

Description

one

The invention relates to building and transporting machines such as rotary soil throwers and is aimed at increasing the range and reducing the energy intensity of the throwing.

A known working body for non-mixing of the developed soil, including a forced mechanism for unloading the working elements, is made from a source of compressed gas, the nozzle of which is connected to the discharge pipe, which is equipped with the transport element 1.

However, such a structure does not provide an increase in the distance of the soil release.

A soil thrower is known, including a rotor with blades having working surfaces, mounted in a stationary casing with a discharge port, placed on its outer side and with a nozzle aligned with it, connected to a source of compressed air 2.

The disadvantage of this design of the thrower is the short throwing range due to the discrepancy between the direction of ground discharge from the blades and the direction of air supply.

The purpose of the invention is to increase the range of methane and reduce the energy intensity of methane.

This is achieved by the fact that the nozzle is located inside the rotor and its axis lies in the plane of the working surfaces of the blades at the point of discharge, while the width of the discharge nozzle and nozzle at the point of ejection is equal to the distance between the blades, and the blades are set at an angle to the rotor radius.

The drawing shows a rotary vane thrower, a cross-section.

The soil thrower has a drive shaft 1, on which a rotor is mounted using spokes 2, consisting of two rings 3 and blades 4. Outside, the thrower is closed with a fixed casing 5, discharge nozzle 6. A nozzle 7 is fixedly mounted inside the rotor wheel. 7 is carried out along arrow A from a source of compressed gas (not shown in the drawing) via a gas manifold 8.

0

Thrower works as follows.

The soil flows in a continuous flow in the axial direction inside the rotor, is captured by the blades 4 and is moved by them

through the fixed casing 5 to the discharge port 6. The blades can be set at an angle to the rotor radius, for example, in the direction of rotation of the rotor, while a fixed ozhuku comes a small part of the normal pressure from the centrifugal forces acting on the ground, which leads to a decrease in ground friction casing and reduce the energy intensity of the process methane. In the soil ejection zone, due to the joint action of centrifugal forces and the pressure of the gas flowing from the nozzle 7, the soil is ejected from the throwers in the direction of arrow B and moves along a ballistic trajectory in the associated gas flow, the direction of movement of which coincides with aerodynamic drag forces.

Claims (2)

1. A soil thrower comprising a rotor with blades having working surfaces mounted in a fixed casing with a discharge port placed on its outer side and a nozzle aligned with it connected to a source of compressed air, in order to increase the range of methane and reduce the energy intensity of the metania, the nozzle is placed inside the rotor and its axis lies in the plane of the working surfaces of the blades at the place of their discharge, while the width of the discharge nozzle and the nozzle at the place of ejection of the soil is equal to the distance between the blades . 2. A thrower according to claim 1, characterized in that the blades are set at an angle to the radius of the rotor. Sources of information taken into account in the examination 1. USSR author's certificate According to the application number 2391430/03, cl. E 02 F 3/18, 1976. 2. For the number № 2473238/03, cl. Е 02 F 3/18, 1977, according to which the decision to issue an author's certificate was made.