SU504123A1 - Tractor loading device for field testing - Google Patents

Description

(54) DEVICE FOR DOWNLOADING A TRACTOR UNDER FUNCTION TESTS

The invention relates to devices used in the accelerated testing of various tractors on hard-coated landfills.

Under actual operating conditions, the tractor is affected by a number of factors, the most important of which are dustiness of the air, unevenness of roads and drinking, terrain, type and condition of coatings, hauling resistance on the hook, and others. Imitation: of these factors during accelerated testing of machine aggregates at landfills and stands is carried out separately. For this purpose, dust chambers are used to test separately for internal combustion engines or transmissions. Occasionally, devices containing a hopper, from which dust is fed to the node through a dispenser with compressed air, are used to dust the air around individual dust-sensitive assemblies, for example, intakes of air cleaners and air vents.

In order to load the tractor with traction resistance, various brake trolleys are used for testing, and to reproduce the effects of road irregularities and fields, the tested tractors are transported along artificial ground polyvons.

Under real conditions of exploitation, joint and simultaneous effects are observed: the effect of the main factors and their combination determines the nature of the operating conditions. 1 In the practice of testing tractors there are no devices that allow simultaneous reproduction of the main operational factors.

The aim of the invention is to simulate the environmental impact on the tractor.

For this, a dust preparation device with a ventilator and piping with: nozzles for supplying dusty air to the factor units is installed on the brake trolley. .

In addition, dust preparation equipment; The tool can be made in the form of a ball mill with holes for the supply of clean and suctioned dusty air. To ensure the stability of the dust environment, pipe nozzles can be equipped with adjustable protective shields.

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P Worker (material Work material editor D. Pinchuk Tehred M. Levitskai; Proofreader S. Boldizhar

Order 9O; Circulation 1O29Subscription

TSNIIPI State Committee of the Council of Ministers of the USSR

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

Branch PPP Patent, Uzhgorod, st. Gagarin, 1O1

Compiled by M. Zabaluev FIG. 2

It is necessary to choose a little more than the width of the strip prep 1 stBiy.

The proposed device can be widely used in the tractor industry in accelerated life tests of tractors as a whole on hard-surfaced landfills, where the formation of a natural dust cloud is excluded.

Claims (4)

Invention Formula 1, A tractor loading device for field testing, containing a towed brake carriage, characterized in that, in order to simulate environmental effects on the tractor, a dust preparation device with a fan and pipes with nozzles for supplying dusty air to the tractor units are installed on the brake truck . 15 16 2. The device for l. 1. This is the case with the fact that the patchwork npHcnoco6jie He is made in the form of a slanty mill with holes for a clean and sucked dusty air. 3. The device according to claim 1, characterized in that, in order to ensure the stability of the dusty environment, the nozzles of the pipework are equipped with adjustable protective shields.  4. A device according to claim 1, characterized in that the dust preparation device and the fan are driven by a power take-off shaft. 5, the device according to claim 1, wherein the dust preparation device and the fan are driven by the wheels of the brake trolley. ff 9 Yu / 23