Jack, jack, or commonly known as pork, is a device used for lifting loads up to the desired height. Until recently, Jack was part of the compulsory equipment of cars.
There are different ways to draw a large enough force to lift the load, respectively. car. Probably the most common variant of portable lifting equipment is required as a mechanical jack. In this type of lift is the lifting force is transmitted by mechanical members, such as screw drives, gears, lever drive systems, etc. This jack can be manual or electric. Mechanical lifting devices, especially portable ones in the car, are intended only for lower loads and have less life.
hydraulic jack (doll), a hydraulic jack (crocodile), scissor jack
Another widespread group are hydraulic jacks. Hydraulic jacks are used for the heaviest burdens. Portable hydraulic jack, the doll is featured on each truck. The principle function is a simple fluid extrudes through the swinging lever mechanism to discharge the large diameter piston. The burden is triggered by opening the pressure relief valve.
A new market is called jacks jack exhaust (exhaust jack), which operates on the principle of air bag located under the car. The bag can peek through the compressor, or even going THROUGH the exhaust gases from the exhaust.
exhaust jack
Jacks are a separate group as part of the service technicians. Jacks pillar, pit are learned for both cars and trucks. There are also jacks for motorcycle or ATV. These jacks have a long life and comfortable use.
Text: John Sajdl
Photo: archive
Keywords: jack, dolly, hoist, hydraulic jack, mechanical jack, electric jack
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