Wheeled equipment inherently carries a contradiction: to move, wheels must be flexible; to stop steadily, wheels instead become the most unstable link. What floor locks solve is that series of problems “after the equipment stops” — sliding, swaying, unstable parking, and inaccurate positioning.
Problem 1: Sliding When Stationary
The most easily felt problem is sliding. When a material cart stops at a workstation for loading/unloading, a worker pushes it and the cart slides away; when a trolley stops on sloped ground, it rolls away as soon as you let go. Ordinary caster brakes only lock the tread, and when the load is large or the floor is oily, the friction between wheel and floor cannot withstand the pushing force, and the entire vehicle moves along.
When the floor lock is stepped down, the pad presses the floor, and part of the equipment weight is transmitted to the floor through the pad — sliding force is directly offset by floor friction, and the equipment basically no longer moves.
Problem 2: Swaying During Work
Often appearing together with sliding is swaying. When doing precision work on mobile inspection tables and assembly workbenches, as soon as a person leans or a tool taps, the tabletop sways. The reason lies in the wheels themselves: rolling contact always has clearance and elasticity, and when the load changes during work, swaying is amplified.
After the floor lock lands, equipment support changes from wheels to pad pivot support, the transmission of swaying is cut off, and the tabletop is much more stable during work — tasks like inspection and assembly become much easier.
Problem 3: Unstable Parking Position
After using for a while, another layer of problems is discovered: unstable parking. When a heavy-load trolley fully loaded with workpieces stops at a workstation and workers frequently take and place parts, the vehicle body rises and falls along; after heavy equipment is pushed into position and remains stationary for a long time, wheels are constantly under pressure. Wheel rubber compresses and deforms, brake pads wear, and the parking position slowly becomes inaccurate.
The floor lock shares part of the equipment weight, and in the stationary state wheels and floor lock jointly support — wheel pressure decreases, and deformation and wear are correspondingly lighter.
Problem 4: Precise Positioning for Automation
Going further in the direction of automation, there is another category: positioning. Equipment needs to dock with production lines and tooling, and a difference of a few millimeters means it cannot connect. After wheel brakes are locked, there may still be slight slippage, and equipment cannot achieve complete immobility. The floor lock lifts the equipment off the wheels, and position is locked by floor pivots — combined with structures such as positioning pins, the accuracy of repeated docking is significantly improved. Carts and tooling carts around automated production lines commonly use this combination.
Boundaries and Selection Tips
However, floor locks also have boundaries they cannot reach. For extremely heavy equipment above more than ten tons, more professional support structures are needed, and ordinary floor locks have limited load capacity; on sloped floors, whether stationary parking is reliable depends on the matching of floor lock load capacity and slope; for equipment that needs to move every minute, the extra step of locking and unlocking instead drags cycle time and is not suitable for forced installation.
To judge whether your equipment needs installation, asking three questions is enough: when stationary, will it be pushed and move? During work, does swaying affect quality? Do you need relatively accurate docking positions? If any one of the three is “yes,” a floor lock is worth considering.
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Post time: Sep-20-2026