Pile hole detection device in pile foundation construction

The utility model provides a pile hole detection device in pile foundation construction, and relates to the field of pile hole detection. The supporting structure is located on the side edge of the pile hole detection device, a guide groove is formed in the supporting structure, the supporting structure is provided with the control piece through the inner groove, the contact head structure made of rubber is fixed to the left end of the control piece, and the contact head structure is of a wedge-shaped structure. When the detection head assembly is used, a circuit can be controlled to be embedded into a guide groove, the guide groove controls the circuit to be vertically inserted into a pile hole, meanwhile, the control piece can be controlled to move left and right, the contact head structure makes anti-skid contact with the outer portion of the circuit, the detection position is conveniently fixed while the detection head assembly conducts detection, manual supporting is not needed, and the detection efficie