Q-Safe™ is engcon’s newly-developed hydraulic quick coupler for excavators. The biggest innovation is that incorrect tool connection due to the 'human factor' is no longer possible. The system simply takes over part of the driver's responsibility for safety.
Q-Safe™ has triple safety and forms part of engcon's "Non Accident Generation" in which safety awareness permeates the entire product range.
engcon’s Q-Safe™ is one of the safest quick couplers on the market, where the risk of incorrect coupling is designed out. With Q-Safe™ fitted to an excavator, the bucket or tool must have ground contact that exerts a given pressure. In other words, buckets, tools and attachments cannot be removed whilst in the air.
As soon as the Q-Safe quick coupler makes contact with the bucket or attachment’s first pin, the surrounding area is alerted by loud audible and bright visual signals. At the same time, the excavator’s slew function is restricted.
As long as the bucket or attachment is not properly locked on both axles, the audible and visual warnings will continue. The slew function block also continues to be activated.
When both pins have full contact, the audible/visual alerts are cancelled and the slew restriction released. The machine is ready to work with the bucket/attachment fully connected. The tool can now only be removed when it is resting on the ground at a given pressure.
* The ground pressure function requires the bucket/tool to exert pressure on the ground before it can be unhitched. The function comes with the engcon Quick coupler Standard Control (QSC) locking system.
Electronic surveillance, hydraulic locking and mechanical locking. With Q-Safe™, the safety system takes over certain aspects of the operator's responsibility to connect the attachment correctly, which provides a safer workplace. Q-Safe™ is initially supplied with a warning system. The full system with turn limitation and ground contact for releasing attachments is ordered in consultation with the relevant machine supplier.
From 2014, engcon will gradually be supplying Q-Safe as the standard quick coupler in the sizes S45, S50, S60, S70 and S80. This applies both as the machine hitch and under engcon's tiltrotator.
QLM is a system used in combination with Q-Safe to provide both a visual and audible warning unless both bucket axles are in their correct positions and locked.
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