Hydraulic Scissor Lifts
The hydraulic scissor lift is the most common type of industrial lift found. It makes use of a motor or power source with pressurized hydraulics in order to lift loads. Hydraulic scissor lifts are preferred because they are durable and cost-effective.
This type of scissor lift is composed of five components, namely: the platform, base, scissor legs, hydraulic cylinder, and the motor or power source. The platform is placed at the top of the lift and it is where the load sits. The platform varies in size and in accordance with the application wherein it will be used. The base is at the bottom of the lift that rests on the floor. The scissor legs are vertical structures which enable the platform to change its elevation. The hydraulic cylinder enables the scissor lift to go higher or lower. Scissor lifts usually have one to three cylinders present. Lastly, the motor source provides power and energy to the whole hydraulic scissor lift.
How Does a Hydraulic Scissor Lift Work?
In order to operate, hydraulic fluid is first put into the hydraulic cylinder/s. When this is done, the cylinder moves outward, separating the scissor legs apart. As the scissor legs open, the platform also rises vertically. This is able to occur because one end of both the outer and inner legs are connected to the base and the platform. When lowering the lift table, a down valve is to be opened. This valve enables fluid to go out of the cylinder at a rate that is controlled.
Hydraulic System Advantages and Disadvantages
Having a hydraulic system is advantageous compared to mechanical and electrical systems. This system has fewer moving parts, making them more safe and economical to use than other lifts. It is also easy to control because of the use of simple push buttons and levers. In addition to these features, it is only the hydraulic system wherein a constant torque or force is achieved regardless of any changes in speed.
The presence of hydraulic fluid has a great effect on the efficiency of this type of lift. The hydraulic oil or fluid used it heavily influenced by environmental conditions. For instance, the fluid would be less thick and therefore would circulate better, resulting in faster lift operation. The opposite would happen in colder temperatures. Fortunately, this problem regarding the hydraulic fluid and environmental conditions has been addressed by various manufacturers and models.
Hydraulic scissor lift tables can be used for loading and unloading heavy objects from a truck. Since these scissor lifts can be raised and lowered repetitively with no effort, loading and unloading batches of heavy objects can be done in batches. This type of scissor lift can also be used in docks and ports. Additionally, these lifts can also move laborers within their work area. For example, in cases such as fixing wires, hydraulic scissor lifts can be used to elevate these workers to a certain height. The workers would have an easier time because there is a platform where they can stand on without having to worry about any type of accidents.
Manufacturers of Hydraulic Scissor Lifts
Vestil
EHLT Series
| Model | EHLT-2448-3-43-QS | EHLT-3060-3-43-QS | EHLT-4048-3-43-QS | EHLT-4848-3-43-QS | EHLT-4872-3-43-QS |
| Platform Size WxL (in) | 24×48 | 30×60 | 40×48 | 48×48 | 48×72 |
| Capacity (lbs) | 3000 | 3000 | 3000 | 3000 | 3000 |
| Raised Height (in) | 43 | 43 | 43 | 43 | 43 |
| Lowered Height (in) | 7 | 7 | 7 | 7 | 7 |
| Voltage/ Phase | 460/3 | 460/3 | 460/3 | 460/3 | 460/3 |
| Weight (lbs) | 694 | 753 | 807 | 841 | 950 |
| Model | EHLT-3060-4-43-QS | EHLT-4048-4-43-QS | EHLT-4848-4-43-QS | EHLT-4872-4-43-QS |
| Platform Size WxL (in) | 30×60 | 40×48 | 48×48 | 48×72 |
| Capacity (lbs) | 4000 | 4000 | 4000 | 4000 |
| Raised Height (in) | 43 | 43 | 43 | 43 |
| Lowered Height (in) | 7 | 7 | 7 | 7 |
| Voltage/ Phase | 460/3 | 460/3 | 460/3 | 460/3 |
| Weight (lbs) | 788 | 878 | 918 | 963 |
Titan Worldwide
TLD Series
| Model | TLD60-7296 | TLD60-72120 | TLD60-9696 | TLD60-96120 |
| Capacity (lbs) | 6000 | 6000 | 6000 | 6000 |
| Platform Size (in) | 72×96 | 72×120 | 96×96 | 96×120 |
| Lowered Height (in) | 10 | 10 | 10 | 10 |
| Raised Height (in) | 70 | 70 | 70 | 70 |
| Motor | 1 | 1 | 1 | 1 |
| Model | TLD100-7296 | TLD100-721270 | TLD100-9696 | TLD100-96120 |
| Capacity (lbs) | 10000 | 10000 | 10000 | 10000 |
| Platform Size (in) | 72×96 | 72×120 | 96×96 | 96×120 |
| Lowered Height (in) | 14 | 14 | 14 | 14 |
| Raised Height (in) | 74 | 74 | 74 | 74 |
| Motor | 3 | 3 | 3 | 3 |
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