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Hydraulic lifter - varieties, operating principle and price

A hydraulic lift is a devicewhich is found in almost every workshop and auto service. Through the use of this installation, you can quickly and efficiently perform maintenance work on the vehicle. However, in addition, there is a hydraulic lift, used for utility purposes and in construction. Most often it is placed on the chassis of the car and raises from 2 to 5 people (depending on the type and design of the device). What exactly distinguish hydraulic lifts and how they are arranged, you can learn from the article below.

What are they?

Any hydraulic lift is characterizedas a lifting device, the platform of which moves with the help of a special electro-hydraulic drive. The latter consists of a pump that pumps the working fluid, and a hydraulic cylinder, where, in fact, this fluid ends up. This device operates very smoothly, which allows the platform to be lifted without any jerks. The speed of the mechanism is quite high.

Varieties

At the moment, the following types of devices are distinguished:

2-rack.
4-rack
Scissor scissors

So let's find out what each of these mechanisms are.

Double Column

These devices can be seen at the stations. vehicle maintenance. The two-post hydraulic lift combinessuch qualities as low price, high performance, reliability and unpretentiousness in service. In addition, this device is characterized by an extensive set of functions.

The main mechanism in operation of this liftis a hydraulic cylinder, which is most often mounted in one of the uprights and driven by an electric motor. However, this is not all. More expensive options are equipped with several cylinders installed in each of the racks. This design has a high capacity, and all units that are involved in the lifting of cargo, are very reliable and productive.

Four rack devices

This hydraulic lift alsois involved in the field of automotive services. However, if the first type is most often used to raise passenger cars, then the four-post mechanism, due to its increased efficiency and carrying capacity, is used to lift long-standing vehicles, trucks, buses and heavy jeeps. Despite its excellent technical characteristics, the four-post hydraulic lift also has disadvantages, mainly related to size and cost, which does not allow it to be used in all service stations today.

Hydraulic scissor lift

This is the most practical and functional mechanism.lifting loads. Its high cost is more than offset by excellent load carrying capacity, compactness and an extensive range of functions. Most often used to adjust the angle of the wheels (wheel alignment) on cars.