
Vehicle Lifts
Because of the great diversity of vehicle sizes and shapes, an equally great diversity of vehicle lifts has been designed to accommodate them. Vehicle lifts are designed to lift vehicles ranging in size from the smallest passenger car to city buses. They can be configured as scissor lifts, platform lifts and in many other configurations. Some feature two tracks onto which the vehicle can drive in advance of lifting. Others feature a central, large rod connected to a small platform. Arm-equipped vehicle lifts offer the least-impeded access to a vehicle; they feature two posts, each of which supports a pair of protruding arms that lift a vehicle at small contact points. These allow automotive technicians the most freedom of movement under a vehicle.
Vehicle lifts are heavy duty lifting equipment. They are used to support very heavy equipment, and they suspend that equipment over workers while they perform repairs or inspections. For this reason, every vehicle lift must be reliable and capable of sustaining a load without risk of failure. Vehicle lifts, like many other industrial lift systems, harness the power of hydraulics to lift and sustain lifted loads. Hydraulic lifts are systems that make use of compressed hydraulic fluid and suspension hardware. When forced into a hydraulic cylinder, compressed hydraulic fluid can cause the piston within the cylinder to move. The piston in a hydraulic cylinder is connected to a rod. In the case of vehicle lifts, hydraulic cylinder rods are connected to the platforms, arms or load bearing elements used to raise vehicles. Hydraulic pumps change the pressure in the cylinder; when pressure on one side of the piston increases more than the pressure on the piston's other side, the piston moves toward the area of negative pressure, forcing the connected rod in that direction. These pressure imbalances can generate forces powerful enough to raise very large, heavy vehicles off of the ground.![]() |
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