FIELD: mining machine building. SUBSTANCE: bench has a bed with rotary table with excavator fixed on it. Immovable and movable plates are used in the system of shovel loading. Friction member linked to the shovel is placed between the plates. Movable plate executes plane- parallel motion about immovable plate using stoppers with hinges on its ends. The hinges are connected to power hydraulic cylinders. EFFECT: complete operating cycle, actual controllable load through all possible range of excavation process, that increased truth of the testing may be simulated when setting pressure in cavities of hydraulic cylinders. 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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| METHOD FOR TESTING THE HYDRAULIC PROPS OF MINE SUPPORT | 1992 |
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