TOWING DEVICE FOR HIGH-PRECISION MARINE MAGNETIC SURVEY

摘要

A towing device for high-precision marine magnetic survey, which is provided with a floating body (1). The front end of the floating body (1) has a towline connection device (2). On the floating body (1) are fixed a front pedestal (3) and a rear pedestal (4). One end of a dwang (5) is connected with the front pedestal (3) via a rotation shaft, and the other end of the dwang (5) is connected with the rear pedestal (4) via a pin shaft. A depth determination rod (6) with an adjustable length is connected with the dwang (5), and the lower end of the depth determination rod (6) is fixedly connected with a flow guide protection cover (7). On the floating body (1) is fixed a data processing module (8), and a satellite positioning device (9) and an interface circuit (10) are connected with the data processing module (8). The present device is stable in the draught, and accurate in locating the magnetic survey position, and can prevent a collision with an underwater obstacle which would damage a magnetometer.