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09-05-2017, 02:51 PM

thanks i want to help me the over all design of hydraulic bottle jack including the main parts with their definition and advantages and rough sketch mean that top,side,front views

jaseela123d · 11-05-2017, 12:08 PM

A cat is a device that uses force to lift heavy loads. The primary mechanism with which force is applied varies, depending on the specific type of jack, but is typically a thread or hydraulic cylinder. Cats can be classified according to the type of force they use: mechanical or hydraulic. Mechanical jacks, such as car jacks and house jacks, lift heavy equipment and are rated for lifting capacity (for example, the number of tons they can lift). The hydraulic jack tends to be stronger and can lift heavier heavier loads, and includes the bottle cats and the floor cats. HYDRAULIC JACKS depend on the force generated by the pressure. Essentially, if two cylinders (one big and one small) are connected and force is applied to a cylinder, equal pressure is generated in both cylinders. However, because a cylinder has a larger area, the force produced by the larger cylinder will be higher, although the pressure in the two cylinders will remain the same. Hydraulic jacks depend on this basic principle for lifting heavy loads: they use pump pistons to move the oil through two cylinders. The plunger is drawn first backwards, which opens the ball of the suction valve inside and draws the oil into the pump chamber. As the plunger is pushed forward, the oil moves through an external discharge check valve inside the cylinder chamber, and the suction valve closes, which results in the construction of pressure inside the cylinder. cylinder.

A bottle jack is a jack that runs on the principle of hydraulics (hence falls into the category of hydraulic jacks) and resembles a bottle in its shape. It can be used to lift vehicles to undergo repair work or to treat with flat tires. It can also be used in interconnection with more jacks for lifting structures and for some domestic uses. Jacks can achieve short vertical heights. The previous model was carefully studied in terms of design characteristics, specifications, capacity and with the help of a new methodology was tried to manufacture a new design that can work horizontally, producing the same capacity within the economic range. The work consists in the manufacture of the new model and projects the advantages of the new method over existing methods. The new design was successfully completed and was able to meet all required objectives.

The word hydraulic is based on the Greek word for water, and originally covered the study of the physical behavior of water at rest and in motion. The use has broadened its meaning to include the behavior of all liquids, although it deals mainly with the movement of liquids. Hydraulics includes the way liquids act in tanks and pipelines, takes care of their properties, and explores ways to take advantage of these properties. Although the modern development of hydraulics is comparatively recent, the ancients knew many hydraulic principles and their applications. Egyptians and ancient Persian, Indian and Chinese people transported the water along the canals for irrigation and domestic purposes, using dams and sluice gates to control the flow.

The ancient Cretans had an elaborate plumbing system. Archimedes studied the laws of floating and submerged bodies. The Romans built aqueducts to bring water to their cities. Torricelli, French physicist, EdmeMariotte and later Daniel Bernoulli conducted experiments to study the force elements in the discharge of water through small openings on the sides of the tanks and through short pipes. During the same period, Blasé Pascal, a French scientist, discovered the fundamental law for the science of hydraulics. The hydraulic jack is based on Pascal's law which indicates that the increase in pressure on the surface of a confined fluid is transmitted without decreasing along the vessel or confined system.

It can be understood in the following video:

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