How Does a Hydraulic Lift Work? Understanding the Basics

In the era of industries, many individuals may find it tough to lift heavy loads. Here’s when hydraulic lifts can be beneficial. While these run on the principle of fluid mechanics, a large force is generated to lift heavy loads. But, do you know how such kinds of lifts usually work? Well, scroll through to know more about the working of hydraulic lifts. As you read ahead, you will also know how such lifts are making life easy for many teams in different industries.  

What is a Hydraulic Lift?

When you come across a hydraulic lift, the lift uses hydraulic pressure to let people ascend or descend within a building. Moreover, the lift operates on Pascal’s law. This law states that when the pressure is applied to a fluid, it is transferred in every direction. Hence, with this principle taken into consideration, the lifts are able to lift goods and people. This is accomplished with great precision and ease. 

The Basic Principle of Hydraulic Systems

The basic principle of hydraulic systems is based on Pascal’s Law. According to this principle, the pressure is transmitted in every direction when it is applied to a confined fluid. In a hydraulic system, a pump typically exerts force on a liquid. This is later transferred through pipes to several components. A bit later, the pressure causes the parts to perform their respective functions. It could either involve operating a machine or lifting a load. As the force is amplified, the system also becomes efficient in moving large loads with less energy. 

Key Components of a Hydraulic Lift

A hydraulic lift usually comprises many components that work in sync with one another. Once the lift starts operating, it is capable of lifting and lowering heavy loads. Now, let’s check the elevator’s parts. 

• Hydraulic Cylinder
  This is a component in which the hydraulic fluid is directed. While the piston either moves up or down in the cylinder, it lowers or raises a certain platform.

• Pump
  This part of the hydraulic lift applies pressure to the fluid. Hence, a force is created when the hydraulic fluid moves into the system. Besides, you will come across many gear, piston, and vane pumps. 

• Reservoir
  When you observe the reservoir, it stores the hydraulic fluid. In addition, it also maintains the temperature of the fluid and prevents it from getting overheated. As it stores the fluid, the reservoir also ensures that there’s ample fluid for the smooth functioning of the lift. 

• Valves
  Such kinds of components control the fluid flow into the cylinders. While the valves also control the lift’s direction, they support the smooth motion of the lift. But, depending on the lift’s type, the valves can either fall under electronic or manual parts. 

Apart from the main components of an elevator, a hydraulic lift also has hoses and pipes. These carry the fluid across the pump, cylinder, and other components. 

Step-by-Step Process of Hydraulic Lift Operation

Now, let’s understand the working of hydraulic lifts. Here are some steps that will help you comprehend the operation in a better way.

• As soon as the operator turns on the pump, the hydraulic fluid is forced into the system.
• Later, the pump applies sufficient pressure to the fluid and directs it into the cylinder. 
• The hydraulic fluid then flows into the cylinder through the pipes. This further applies pressure on the piston.
• Now, the applied pressure causes the piston within the cylinder to move in the upward direction. This, eventually, raises the platform or the load.
• Now, the load or objects are raised once the platform moves up.
• Afterwards, the control valve is adjusted to control the pace at which the fluid is flowing. Hence, the operator is able  to regulate the lift’s movement. 
• Soon after the lift reaches the desired height, the operator stops the pump. This makes the platform stable and stationary.
• When it’s time to lower the platform, the control value is adjusted to release the hydraulic fluid. This further causes the piston to move down and thereby lower the platform.

Ultimately, the hydraulic fluid flows back into the reservoir. The piston is then moved back to its initial position and its ready for the subsequent operation. Lift system customization can further help to meet the needs of its users. 

Advantages and Applications of Hydraulic Lifts

Hydraulic lifts are used in diverse industries due to many benefits. Let’s check the advantages of hydraulic lifting machines ahead.

1. High Capacity for lifting
   Hydraulic lifts usually lift heavy loads easily. This is because of the multiplication principle that significantly increases the force. 

2. Precise Movement
   Due to the presence of control valves, hydraulic lifts offer precise movement. To control the speed of the lift, the operator can also adjust the valves later.

3. Space-Saving Design
   Hydraulic lifts usually feature a compact design. As these can be set up in less space, they can be used in garages where space is a constraint. 

4. Versatility
   Among the advantages of hydraulic lifts, such types of lifts are quite versatile in nature. You will come across hydraulic lifts in vehicle repair shops, warehouses, and manufacturing units. With the capability of lifting heavy loads, these lifts can lift cars and trucks as well.

5. Durability
   If such lifts are maintained properly, they can last for many years. People will not face any issues even when the lift is used for a pretty long time. 

6. Safety
   Hydraulic lifts usually have safety features that mitigate the risks of accidents. In addition to security locks, these also have emergency stop buttons. But, comprehensive training has to be provided before anybody operates the hydraulic lift. 

Now that you know the benefits of hydraulic lifting machines, let’s check their applications. 

Owing to their versatility, hydraulic lifts are used in different industries. Here are the domains in which the lifts are commonly used.

• Automotive Industry
  When vehicles undergo tire changes or maintenance, then the lifts can be used in different instances. They can also facilitate repairs and changing of oil.

• Construction Industry
  In the construction sector, such lifts are used for lifting different types of hydraulic lifts materials. As they operate, they can offer access to different levels of the building. 

• Warehousing & Logistics
  When pallets have to be moved and kept one above the other, then people use hydraulic lifts. Once the lift is used repeatedly, it can make loading or unloading items easier. 

• Manufacturing Industry
  In manufacturing units, the hydraulic lifting machines are used for lifting heavy machines. This helps during ongoing maintenance or at the time of installation. Additionally, the lifts also enhance the production and assembly processes by placing the elements precisely. 

• Entertainment Industry
  When a group is performing onstage, then the lifts can help add some effects. They can either raise or lower individuals when the performance is in progress. 

Conclusion

Finally, we would like to state that hydraulic lifts will revolutionize lifting heavy objects. In fact, many industries are perceiving the benefits with its reliable operation. But, as technology evolves, we can foresee many innovations in the design. By integrating smart technology, teams can move ahead with predictive maintenance and thereby reduce the downtime. In addition, manufacturers are focusing on sustainability and striving to reduce energy consumption. So, the next time you come across such lifts, you must appreciate the technology. 
If you have to fulfill a request regarding a hydraulic lift, then you can get in touch with MAS India. As you connect with our team and communicate the requirements, we can offer a customized solution as per the needs. As we are known to be one of the leading elevator manufacturers in India, we assure you that there will be no compromise on quality. Your customers can also rely on us for after-sales support.