Small and micro projects such as courtyard renovation, sporadic municipal maintenance, garden clearing, demolition and crushing are carried out on a regular basis. It has become common practice in the industry for one excavator to work with multiple hydraulic attachments. Previously, replacing attachments including buckets, breaker hammers, hydraulic saw heads, pulverizers and snow pushers required manual assembly and disassembly of pin shafts and manual connection of oil hoses. The replacement process was time-consuming and cumbersome, with potential safety risks caused by misaligned pin shafts, oil leakage and improper operation.
Mounted on the front of the excavator dipper arm, the automatic quick hitch achieves automatic locking and unlocking powered by the excavator’s hydraulic system. Operators can complete attachment switching from inside the cab without getting off the machine. Compared with the traditional manual replacement method, it eliminates hammering pin shafts, manual alignment and manual hose connection. The attachment change process, which used to take more than ten minutes, can be finished in tens of seconds, greatly reducing idle waiting time and increasing the effective working hours of the excavator.
This quick hitch adopts a thickened high-strength alloy steel body with excellent tensile and impact resistance. Its locking mechanism is equipped with a safety anti-drop device for double locking protection, preventing attachments from falling off accidentally during operation for higher safety. It fits mainstream mini and small excavators and is compatible with most common hydraulic attachments, such as buckets, breaker hammers, hydraulic saw heads, pulverizers, grapples and snow pushers.
In addition, the automatic quick hitch features strong versatility, simple installation and low modification difficulty, as well as convenient later maintenance. Wear parts including lock blocks and sealing elements can be replaced separately to keep maintenance costs under control. Equipped with an automatic quick hitch, one excavator can rapidly switch attachments according to construction procedures, flexibly switching between earth excavation, demolition crushing, cutting and clearing, and snow removal. It realizes true multi-purpose use and maximizes the value of the base machine.
