Adjusting device for adjusting clearance at junction between bucket and bucket rod of excavator

The utility model relates to an adjusting device for adjusting a clearance at a junction between a bucket and a bucket rod of an excavator, and the adjusting device comprises a bucket, a pin shaft, a bucket lug plate which supports the pin shaft, a bucket rod assembly which is sleeved on the pin shaft and a shaft sleeve which is installed on two ends of the bucket rod assembly and supports the pin shaft, and the adjusting device is characterized in that one end of the pin shaft is machined with an outer threaded section, and the outer threaded section is matched with a locking nut and an adjusting nut. According to the structure, the structure of a traditional adjusting washer is canceled, and the adjustment of the clearance is completed by adjusting the adjusting nut, so that simpleness and convenience can be achieved. In addition, no through hole is machined on the pin shaft, the strength of the pin shaft is improved, and simpleness in manufacturing is achieved. When the end surfaces of the bucket and the b