Scissor lift tables are equipped with various sensors to ensure safe and efficient use. In addition to standard solutions, there are special sensors for special requirements.
In this article, we present the most important sensors for lift tables and explain their functions.
Standard sensors for our lift tables
To ensure that our lift tables work reliably, safely and efficiently, they are equipped with modern sensor technology. This ensures that lifting movements are controlled precisely, overloads are avoided and work processes are optimized. The following sensors are installed in over 90 % of our lift tables:
| Sensor | Function |
|---|---|
| Lift limit switch | Detects the upper end position and deactivates the pump. |
| Lowering limit switch | Signals that the lower position has been reached and closes the lowering valve. |
| Pressure switch | Monitors the hydraulic pressure and stops the lifting movement in the event of an overload. |
| Foot protection safety edge | Surrounding the platform edge - stops lowering when activated to prevent injuries. |
Sensors for specific areas of application
Special sensors supplement the standard solutions for specific requirements. They enable more precise control, extended safety monitoring and optimized adaptation to specific operating conditions.
| Sensor | Function |
|---|---|
| Intermediate stop switch | Enables the lift table to be stopped at individually defined intermediate positions. |
| Rope length sensor | Continuously detects the conveying height for flexible positioning of the scissor lift table or goods lift. |
| Sensor cycle control | Ensures precise material feed through optical control of the lifting movement. |
| Safety locking device | Prevents the opening of landing and platform doors if the platform is not in the intended position. |
| Water sensor | Detects rising water levels in the shaft pit and enables early countermeasures to be taken. |
| RFID sensor | Releases the control only for authorized RFID chips – an alternative to the profile cylinder. |
| Oil level sensor | Monitors the hydraulic oil level and warns if the level is too low. |
| Oil temperature sensor | Detects critical oil temperatures and switches the unit off to prevent damage. |
| Tilt sensor | Warns of dangerous tilt angles to reduce the risk of tipping on mobile elevating work platforms. |
| Light grid | The light grid specifically detects people and objects and serves as protection against unauthorized access in automated production systems. |
| Radar and lidar sensors | Detect the surroundings using radio waves or laser beams - essential for autonomous transport systems (AGVs). |
Conclusion
Sensors are essential for the safety and functionality of lift table systems. While standard sensors meet basic movement and safety requirements, special sensors enable more precise and automated control and extended safety functions.
The choice of the right sensor technology depends on the respective area of application and can make a decisive contribution to optimizing operating processes.
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