| 摘要 |
FIELD: construction.SUBSTANCE: anti-parking barrier is made in the form of a trolley, made of a frame, on which a control block is installed, connected to a drive with a reducer for rotation of a sprocket fixed on a shaft, with the possibility of its displacement along an open circuit arranged in its longitudinal guide-tensioner. The frame of the barrier trolley is equipped with support wheels and in the lower part with teeth of its fixation to soil arranged at its two opposite sides. At the same time the ends of the chain are fixed on the soil with plates. The number of wheels, rollers and other parameters of components is selected depending on dimensions of the device and conditions of its operation. The device may have a replaceable unit of accumulators as, for instance, in electric tools or a stationary accumulator, to be connected by a cable with a source of power supply and control. Depending on the objectives and targets set, the barrier-trolley may be made with any shape and size, have a trajectory of motion to the left and right, back and forth.EFFECT: reduction of weight and dimensions, increased reliability and convenience of device usage.1 cl, 4 dwg |
