JPS60110596A - Device suspending under water - Google Patents

Abstract

PURPOSE:To eliminate the limitation of dimension and weight etc. with simple structure and to easily carry out operation by sending out a sensor etc., rotating a drum which is floated on the water by the use of torque generated due to tare of the sensor and a cable. CONSTITUTION:A drum 1 has buoyancy with a vector B in an opposite direction larger than a vector W in a gravitational direction which is applied to the total weight containing tare in addition to a suspended cable 2, a sensor 3 and a deadweight 4. The sensor 3 and the deadweight 4 are connected to one end of the drum and when the other end of the dum is left on the sea in the state of winding the suspended cable 2 secured to the drum 1, it is floated on the sea surface 100 by the buoyancy. At first, the drum rotates as the rotating torque is given by tar of the sensor 3 and the deadweight 4, and the sensor 3 is fallen in the sea in the vertical direction, sending out the cable 2. Next, when both ends of the drum are sent out to the cable 2 and an auxiliary cable 11c through clasps 11A and 11B, the cable 2 is stopped sending out and the rotation of the drum 1 is stopped and the sensor 3 is retained in a vertical attitude by the deadweight 4 and the cable is suspended by set length of the auxiliary cable 11c.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an underwater suspension device, and more particularly to an underwater suspension device for various sensors used while suspended in water.

Various sensors used underwater, such as transducers, water temperature gauges, water pressure gauges, etc., are often suspended underwater depending on their operational purpose.

For example, when using a transducer as an acoustic sensor, it can be used by suspending it from a buoy floating on the sea at a predetermined water depth, using a hanging cable that also serves as a signal line, like a sonobuoy. In many cases, transducers used as acoustic sensors in acoustic transponders are suspended from buoys or the like.

Furthermore, in addition to the above-mentioned suspension method using a buoy, a lifting and retrieving mechanism is installed on a carrier that can be positioned at a fixed point on the water, such as a ship or a helicopter, and a lifting and retrieving mechanism is installed through this mechanism. A mobile hanging method is also frequently used, in which sensors such as transducers are suspended in a predetermined area of water, and after operation they are lifted up and moved to other measurement points.

In the suspension method described above, a transducer is used as an example of a sensor, but the same applies to other sensors as well.

However, the above-mentioned conventional underwater suspension device of this type has the following drawbacks.

In other words, although the underwater suspension system in which the entire sensor is suspended by a lifting mechanism mounted on a carrier such as a ship or a helicopter has high operational mobility, on the other hand, it is difficult to constantly adjust the sensor during operation. It is necessary to move the transport warehouse, and
ζ Suspension retrieval (has the disadvantage that it tends to be large-scale and has many structures, and therefore the operation is often complicated.

In addition, underwater suspension devices that use sensors by hanging from a buoy floating on the water, for example, require a temporary suspension device Sumishiro, such as a sonobuoy. Restriction τ is easy to receive or a buoy exclusively for hanging f U
Furthermore, this method of suspending sensors and the like has the disadvantage that the suspension buoy itself tends to be large and complicated, and is equipped with a suspension lifting mechanism.

The purpose of the present invention is to eliminate the above-mentioned drawbacks and provide an underwater suspension device for suspending sensors etc. underwater at a preset depth.
A suspension cable is wound around a buoyant drum to make it float on the water, and the drum is rotated by making full use of the rotational torque generated by the weight of sensors, cables, etc.
By reciting the means of paying out money,
To provide an easy-to-operate submersible suspension device which has an extremely simple structure and basically eliminates the limitations of size and vehicle size.II.
'c is necessary.

A feature of the present invention is that, in an underwater suspension device in which a sensor is suspended by a suspension cable or a suspension system τ valve in preset urine-filled water, the suspension cable or suspension cable connected to the sensor is suspended. A buoyant commercial that floats on water while being wrapped up.
At the same time, in this floating state, the suspension cable is rotated while being punished by the sensor's grip, and the suspension depth V is increased.
The drum roller that holds the sensor is constructed.

Next, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a front view showing an embodiment of the present invention.

The embodiment shown in FIG. Hanging goople 2, sensor 3. Weight 4. Marker buoy 5. It is configured with a connecting rope 6 and the like.

In FIG. 1, a drum 1 is connected to a hanging cable 2° sensor 3
In addition to the weight 4, the sensor 3 and the weight 4 are connected to one end, and the sensor 3 and the weight 4 are connected to one end. Then, the other end is fixed to the drum IV / ζ hanging gourd 7 ゛ 3 (ll Gives rotational torque by its own weight.
:) The IL-C rotates, and as a result, the hanging cable 2 is fed out and the sensor 3 moves so as to fall almost vertically downward.

After the sensor 3 sinks together with the weight 4 in this way,
Stopper 11A'J? and 37fil via 11Be
- When the suspension cable 2 and the auxiliary cable 11C fixed to the drum 1 are paid out, the suspension cable 2 stops being paid out, and therefore the rotation of the drum 1 is stopped 9, and the sensor 3
The auxiliary cable 11C is held almost vertically by the weight 4.
V-humped and suspended in water.

When changing the depth, attach multiple auxiliary cables 11C4 to the same location corresponding to the set depth of the suspension cable 2, and when the measurement of the shallowest initial depth is completed, cut off the auxiliary cables at that depth to proceed to the next one. It falls to the set depth and stops. In this way, the depth can be adjusted to increase the depth.

The marker buoy 5 has a buoy body 51. - The drum 1 is connected to the drum l by a rotatable coupling fitting 12 by valve the connecting lobe 6, including a spit 52 and a corner reflector 53, etc.
Even during the rotation of the drum 10 and even after the sensor suspension is completed, the position of the drum 10 is displayed and recognized in the sea around the drum 10.

FIG. 2 is a front view (5) and a side view (B) showing in detail the structure of the drum 1 in the embodiment shown in FIG.

The drum 1 has a sealed structure with a so-called thread-wound bobbin shape, and has a winding machine shaft through hole b2 for passing the winding shaft of the winding machine when winding the hanging cable. P (reinforced plastic 5 + stick material) is twisted, and foamed urethane material a with closed cells is adhered to the inside of the drum to prevent water from entering the drum even if a crack occurs in one part of the L P. The structure is such that it can be suppressed.

Such a drum 1 corresponds to the suspended besa sensor 3 and the nail electric of the hoko 4, and in addition to the above-mentioned B) W relationship R, it has a buoyancy that holds it, and basically there are other things about the thickness, 2, and the weight. There is no need for fblJ.

In the example shown in FIG. 1, the suspension cable 2 is also used as a cable for supplying power to the sensor 3 and for transmitting data obtained by the sensor 3V. Using the core wire configuration and strength structure necessary for this purpose, and the electric phase cable r with purple I4 - C > 9, drum 1 (
The ill's terminal is once inserted into the drum through a watertight carp lid (not shown) and then connected to an external transmitting device, etc. via a watertight connector. There is.

Such an external transmitting device is usually placed alongside the marker buoy 5 or the like, and further transmits sensor data to an observation ship, an observation station, etc. via an antenna or the like.

In addition, in the embodiment shown in FIG.
Although the suspension cable 2 is used to suspend the sensor 3 from the sensor 3, it is clear that the suspension cable 2 may be changed to a suspension system such as a rope or a wire rope depending on the contents of the sensor 3, and the suspension may be similarly suspended. In such a case, for example, Sensa 3
If the sensor has a pre-built-in sound transmitter and operates independently like an acoustic transformer that sends out water into the water, then the sensor must be operated independently, like an acoustic transducer that sends out water into the water. Of course, the data transmitting equipment connected to the data connector 13 and the water connector 13 are unnecessary.

Moreover, the weight 4 in the embodiment of FIG. It is clear that the use of the marker buoy 5 and the like can be arbitrarily determined depending on the operational purpose and operational considerations of the sensor 3 suspended by the underwater suspension device.

Furthermore, drum lf′! As shown in FIG. 2, the material used is FRP', but other materials having substantially similar physical and chemical properties may be used.

Furthermore, it is clear that the use of foamed urethane foam bonded to the inside can be arbitrarily determined as desired. Melt.

As explained above, according to the present invention, in an underwater suspension device for suspending objects such as sensors at a predetermined depth underwater, a suspension cable or a suspension system connected to a sensor is connected to a buoyant drum. By leaving the drum on the water and applying rotational torque generated by the suspension of the suspended object to rotate the drum and suspend it, the drum can be suspended without using any power or weight. This has the effect of realizing an extremely simple and easy-to-operate underwater suspension device that is not subject to any restrictions on height and weight.

[Brief Description of the Drawings] Fig. 1 is a front view showing an embodiment of the underwater suspension device according to the present invention, and Fig. 2 is a front view showing an embodiment of the underwater suspension device according to the present invention.
Full details of the structure i, front view shown in field (5)? and 11+11
The top view is +b+. ■・・・Drum, 2・・・Suspension cable,
3...sensor, 4...weight, 5...
...Marker buoy, 6...Connection rope, IIA
, 11B... Stopping metal fitting, IIC... Auxiliary rope, 12... Connection fitting, 13... Watertight connector, 51... Buoy body , 52...
... Weight, 53 ... Corner reflector. 1 patent attorney Uchihara ・、、'：、：：・、! ,
i:;', :,':, ゝ -/

Claims (1)

[Claims] In an underwater suspension device that suspends a set/sr in water at a predetermined depth via a suspension couple or suspension cable C, the suspension cable or suspension cable to which the sensor is connected is wound on the water surface. An underwater suspension device characterized by comprising a drum which has a floating buoyancy 'ftm and rotates while being fed out by a suspension cable due to the self-righteousness of the sensor in this floating state and holds the sensor at a predetermined suspension depth.