Auto-Lock is a patented locking system based on the principle of the elastic expansion of metals under a fluid pressure.
Auto-Lock system
The female part of the Auto-Lock device has a bore inferior to the diameter of the rod on which it is mounted, creating a friction locking connection caused by the elastic deformation of the metals used. The unlocking is obtained by hydraulic pressure evenly applied between the two surfaces in contact.
Reverse Auto-Lock system
Reversely to the previous system, locking is obtained through application of hydraulic pressure and unlocking through lack of pressure.
Features and advantages of the Auto-Lock system
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- The locking loads can reach 300 tons and hold the position with great precision during an unlimited length of time.
- The stroke is not limited and there exists an infinite variety of locking positions.
- The locking in insensitive to vibrations as well as to temperature variations.
- In case of accidental overloading, the rod will slide and the Auto-Lock will act as a brake. Provided the sliding is accidental and not repetitive, it will not bring about any damage.
Autonomous Auto-Lock system
This system makes it possible to implement locking in any direction (translation-rotation, simultaneous translation and rotation) over long strokes. It is independent from the propelling system. Mounting should be carried out at the factory by means of a special tool which has to be adapted onto the end of the rod.
Linear cylinder with Auto-Lock on rod
This system combines the advantages of a hydraulic cylinder with those of an integrated locking system. The locking capacity of the Auto-Lock system is independent from the efforts carried out by the cylinder.
Auto-Lock on piston
Whilst this system has the same characteristics as the previous one, it is also particularly adapted to aggressive environments which need a special protection of the rod.
Quiri, specialists in hydraulic cylinders, special shock absorbers and self-locking devices
As specialists in the design and manufacture of hydraulic equipment and components, Quiri Hydromécanique offers a wide range of single-acting and double-acting hydraulic cylinders, special shock absorbers and self-locking devices for taking up and diverting dynamic loads: hydraulic suspensions, auto-lock rod locks and much more. Considering these components as an integral part of the performance of industrial hydraulic equipment, our range combines power and robustness. Whatever hydraulic components you need, they are custom-designed by our experts, according to your specifications and the specific needs of your business. Quiri Hydromécanique is recognized in the industry for its cutting-edge skills and know-how, and is able to supply you with the highest-performance, long-lasting hydraulic blockers, double-acting and single-acting cylinders, suspensions and shock absorbers. Our range of hydraulic equipment and components covers a wide field of applications and meets the most demanding requirements of your industry. For more information about our hydraulic cylinders, shock absorbers, suspensions and blockers, please contact our experts.