Tools

TOOLS

Tools -> Tripod - records: 16

Wooden structure that hung door, a hook located at the center, a hoist hand consists of a system of two pulleys connected by a rope.
It is a special mechanism resulting from the association of elementary bodies, such as the winch and the hoist (or size). The same type of goat also belong to the antenna and the chariot, and all can be understood under the generic name of cranes, as in the first three machines, the weight is lifted inside the tool or its support, while the crane properly said weight is lifted according to a vertical line passing out of the support base. The goat serrata comprises three beams arranged in a pyramid shape, joined at the top with strong ligation of rope or with an ankle of iron, which passes through the heads of the three beams and also serves to support the bracket of iron to which is attached the fixed size. I kicked the beams are held together by ropes, or are even stuck in the ground. The goats are also suitable for winches and hoists, and the rope can be operated by winches and winches differential. Of the three beams forming support, the two which carry the winch are said legs and the other foot: these supports are made of wood or, for goats of strong flow, of iron. Among the types of goats are significant large-scale cranes-American goat (Derrick-crane), that the simplicity of construction and operation together a great power and a great range.

Record(s) found: 16.