Multi-beam EM122 installation Documentary (a) overview

For more information see XIAOK Marine Surveying and mapping network

1) base and deflector cover manufacturing (see launch base diagram, receiving base diagram, shroud Drawing)

The shroud diagram has been reserved for the shallow profile installation space.

Note 1 : Physical matching drill and tapping.

Note 2 : The receiving transducer base has direction requirements.

Note 3 : The position of the cable hole on the base, depending on the location of the cable bulkhead. Another open a number of water holes, on-site set.

Note 4 : Prepare the zinc block wire hole.

Note 5 : The base of other equipment needs to be prepared according to their requirements.

Note 6 : The material of the shroud is prepared during the manufacture of the base, especially the support frame at both ends of the base is prepared.

Rx Base diagram, middle two spiral

TX BASE, three spiral

Cover Plate 15MM,POMC Material

RX Cover Plate Corner

A corner of the TX cover plate

2 ) base and shroud mounting

1) the base and shroud installation is guided by the manufacturer's representative. The installation location is shown in the drawings. The axis of the base is parallel to the axis of the ship, and the allowable error is ±0.25O.

2) the base of other equipment also needs to be installed according to their requirements.

3) Weld the base to the hull, base to baseline 520mm . Monitor welding deformation with instruments. The deformation control is within 5mm. If the deformation is too much, it will make the transducer installation difficult. Pay particular attention to reducing deformation at both ends of the receiving base.

4) Shroud Welding, according to the shipyard process. Welding also requires measures to reduce the deformation of the base.

5) make the process hole in the shroud wall according to the position of the bulkhead. After completion, the process hole cover shall be fastened with a countersunk head screw. Another in the Shroud wall open several into the water hole, the site is determined.

6) grind away the sharp objects of the deflector shroud.

7) Paint by specification.

8) Install the zinc block. No further fire at the bottom.

3 ) Transducer Cable Bulkhead Passage

Bulkhead Passage for 3 the root bore is 200mm steel pipe (see Installation location map).

Top exit installation of Bulkhead passage ROX stuffing letter.

Paint by specification. No more hot fire after completion.

4 ) Bracket Mounting

The stand is supplied by the manufacturer. The manufacturer represents the whole guide, and the measuring tools are needed.

before installation, the shipyard prepares several gaskets. GASKET sizes are 0.2, 0.5, 1 and 2mm.

Torque Wrench Adjustable to 187Nm .

After fixing the bracket with screws, measure the bracket plane and record the actual bump condition. Remove the bracket and add the gasket to the screw hole. Measure the bracket plane again and record the actual bump condition. The above process repeats several times until the manufacturer's requirements are met.

loosen the screws, add the anti-skid material (Lottes 242 ) after tightening.

5 ) Transducer Installation

The transducer is supplied by the manufacturer. The manufacturer represents the whole guide.

Clean the work space before installation.

Torque Wrench Adjustable to 70Nm (receiving transducer) or 64Nm (transmitting transducer). Tighten the screw by locating the pin position.

Wear the cable at the same time.

Cover the bottom cover plate (see the cover chart) and grind or flatten the entire shroud surface. The surface of the transducer is coated with antifouling paint.

Other transducers are installed at the same time to complete.

The ship was launched.

6) in-cabin equipment installation (see in-cabin equipment map)

transmitter receiver cabinets, junction boxes, front-mounted cabinet installation: According to the size of the drawings to prepare the installation space. In the bulkhead manufacturing installation rack, the cabinet anti-vibration bracket with screws fastened to the mounting frame.

Note : After the hot work is completed, clean the cleaning site before starting the installation of the transmitter receiver cabinet.

The manufacturer's representative is responsible for connecting the transducer cable to the transmitting receiver cabinet.

Arrange the excess transducer cable in the receiver cabinet compartment.

Operation station (including monitor, keyboard, mouse, etc.) Installation: User-specified location.

Press the cable table to prepare the cable and lay it. The number of spare cables is specified by the user.

Note : When laying a cable, if the signal cable crosses the power cable, quadrature is required. If the signal cable is parallel to the power cable, it requires a distance of more than 400mm.

1. seapath positioning Directional motion sensor system

1 ) Antenna Installation

according to Seapath antenna rod structure design mounting bracket. Stand position is the main mast.

will be Seapath The mast is fixed on the bracket and the two antennas are fixed at both ends of the crossbar. Mounting firmly.

Connection Seapath antenna cables. Lay the seapath antenna cable to the seapath operation station.

Note : When laying a cable, if the signal cable crosses the power cable, quadrature is required. If the signal cable is parallel to the power cable, it requires a distance of more than 400mm.

2 ) MRU installation

will be MRU brackets and junction boxes are installed in the user-specified position. Installation method on-site fixed.

Laying cables.

Note : When laying a cable, if the signal cable crosses the power cable, quadrature is required. If the signal cable is parallel to the power cable, it requires a distance of more than 400mm.

3 ) operator Station installation

The Operation station (including monitor, keyboard, mouse, etc.) is specified according to the user's location.

Press the cable table to prepare the cable and lay it. The number of spare cables is specified by the user.

Note : When laying a cable, if the signal cable crosses the power cable, quadrature is required. If the signal cable is parallel to the power cable, it requires a distance of more than 400mm.

2. Sonic Instrument Installation

The sound Velocity meter installation method is also determined. When the job is requested, it is withdrawn from the water and the operation is completed.

The velocity meter is shown in size.

installation requires that the bottom of the sound velocity meter (left) be flush with the multi-beam transducer.

If the ship has a shaft can be used, can be installed steel pipe (see Sound velocity Instrument installation chart).

If no shaft can be used, the steel pipe itself can be made into a shaft, from the ship into the water.

Note : When laying a cable, if the signal cable crosses the power cable, quadrature is required. If the signal cable is parallel to the power cable, it requires a distance of more than 400mm.

Multi-beam EM122 installation Documentary (a) overview