JPS5935515A - Cable terminal coupling device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cable terminal coupling device for suspending underwater M-type objects such as cable-type submersibles, underwater observation instruments, and underwater zero points from work boats on the water surface. .

In recent years, with the increase in underwater construction work centered on offshore oil fields, the need to accurately observe the ocean and seabed has increased.

Until now, the main method of underwater observation has been using manned submersibles, but recently the use of unmanned submersibles has been attracting attention. It can be called an underwater O-Po-Site, equipped with a propulsion thruster 1, an underwater camera for transmitting images, and audio equipment such as sonar so that it can be moved by remote control. Therefore, it is necessary to connect the submersible and the mother ship with long electric cables and communication cables, and these cables and communication cables must not be damaged.

On the other hand, the depth and range of water to be observed tends to become deeper and wider every year, and when connecting a submersible and a mother ship, it is important to ensure that high-precision information transmission is not compromised (or the mobility of the water tank is not compromised). (Moreover, it needs to be able to hold heavy items.)

The connection between the underwater M hardware such as a submersible and the end of the cable to be suspended is as shown in Figure 1 [al, (bl). The hardware 3 and the heavy object 7 are connected by a pivot joint J6 provided on the eye plate 5 fixed to the inlet 4 of the power/communication cable 1 of the heavy object 7. This prevents the load from being applied directly to the cable 1.

However, in the case of such a conventional device, when the flj: tribute 7 and the cable 2 move relative to each other, the cable terminal fitting 3 to the M
The zero-power communication cable 1 that is exposed to the molded material inlet 4 is bent more than the allowable value, and the cable terminal hardware 6 is repeatedly bent locally! lJ, and high precision 1
In addition to making it difficult to transmit the d-information, there were also disadvantages in that the power/communication cable 1 was easily damaged.

Since the hardware 3 and the M heavy object 7 are connected by a uniaxial vinyl J6, the relative movement between the cable 2 and the M amount @7 has only one degree of rotational freedom (the mobility of the M object is There were also drawbacks such as damage.

For the M heavy object 7, which is subjected to external forces due to tidal currents, etc., this lack of rotational freedom includes the problem of fatal damage to the connection between the cable 2 and the heavy object 7.

The present invention overcomes the drawbacks of the above-mentioned conventional devices.

The purple terminal hardware that fixes a part of the cable and M are perpendicular to each other between the objects and can be rotated around 241f1. ,
Another object of the present invention is to provide a cable end coupling device which can significantly improve the degree of freedom of relative movement between a cable and a heavy object.

For this reason, the cable end coupling device of the present invention is provided.

Internal [Power line, optical fiber unit, etc., power/communication cables are built in coaxially, and heavy objects are suspended from the ends of the 5Vc cables in connection devices with heavy objects.
The terminal hardware fixed to the cable end, the first connecting hardware whose upper part is fixed to the cable terminal, and the lower part and the upper part of the first slow-setting material are pivotally connected, and the lower part is A second connecting hardware that is orthogonal to the upper pivot axis and pivotally connected to the upper part of the connecting hardware at rear d, and the lower part of the second connected figure and its upper part are connected, and the lower part is A, the opening of the tribute. The third connection i fixed to the part
It should be introduced inside the power/communication group J11 object built into the cable (the axis # of each pot nozzle above).
-It is characterized by the fact that it passed through the city.

The device of the present invention will be explained below with reference to the drawings. Fig. 2 is a side view showing an embodiment of the cable end coupling device of the present invention, a part of which is shown in a broken section, and Fig. 3 is a diagram configuring the device of the present invention. FIG. 6 is a cross-sectional view of the second connecting hardware and a plan view showing a partially broken surface.

1 is a power communication device consisting of optical fibers, copper wires, etc., for transmitting information from the heavy object 7 during diving to the mother ship on the water surface (not shown), or for transmitting operation signals or power from the mother ship to the heavy object 7. Cable 2 is a cable made of special castle fiber, etc., which coaxially surrounds the power/communication cable 1 and has a strength of 2N sufficient to suspend and support the heavy lid proboscis 7, and 6 is a wooden terminal fixed to the terminal of cable 2. It is a metal object, and the power/communication cable 1 passes through this axis. Reference numeral 4 denotes a first connecting hardware having a substantially truncated conical shape, the upper part of which is fitted and fixed to the lower parts of both terminal fittings 3, and has a structure in which the power/communication cable 1 passing through the terminal fittings 3 can pass through the inside thereof. It has become.

Reference numeral 5 denotes a second connecting hardware having substantially the same shape as the first connecting hardware 4, and its upper part is rotatably connected to the lower part of the first connecting hardware 4 by a first pivot shaft 8.

The lower part thereof is rotatably connected to the next link 112I5 by a second pivot shaft 9 provided substantially perpendicular to the pivot shaft 8. As will be described later, the second connecting metal fittings 5 are a plurality of pieces arranged and connected so that the upper part of the second connecting metal fittings 5 fits into the lower part of the preceding metal 1fJ4.5 in order to protect the power/communication cable 1 that passes through the inside of the second connecting metal fittings 5. Consisting of Therefore, depending on the properties of the power/communication Kenipuru 1, one may be sufficient.

In addition, it is necessary to use a large number of bending radii (if necessary) and to arrange and connect the leading metal fittings 4.5 by increasing the amount of insertion of the upper part into the lower part of the metal fitting 4.5.

Reference numeral 6 denotes a third connecting hardware whose upper part is pivoted to the lower part of the second connecting hardware 4 and whose lower part is fixed to the attachment part 10Vc of the i ornament 7. The sixth connecting hardware 8 has the same shape as the first hardware 4, but is it sharply bent at the mounting portion 10? In order to prevent
Its lower end is fixed to 0 with a bath coat.

Second linkage 5. The third connecting hardware 6 is carefully constructed in the same way as the first connecting hardware wJ4 and is connected to the power/communication cable 1.
It has a structure that allows it to pass through.

Mutual? The connecting pivots @8 and 9 are arranged so as to avoid their axes.

When the cable 2 tries to bend relative to the trunk 7, the connecting hardware of Method 1 4. Second connecting hardware5. The third connecting hardware 6 is a and a', respectively.

It comes into contact with the tessellation or preceding hardware at the aluminum edge, and is restricted from bending beyond a predetermined angle.

Therefore, the power/communication cable 1 that is cut and passes through the axes of these metal fittings 4 to 6 is not subjected to local bending exceeding the pre-shortened bending radius R (from the mother ship to the cable 2 to the i-warehouse 7). It becomes possible to introduce

In addition, since the pivot shafts 8 and 9 are provided alternately orthogonally, the cable 1 can bend the ffi, - in all directions around the object 7, and the force applied to the heavy object 7 can be prevented from acting locally. Destruction, cutting, etc. can be prevented.

As described above in detail, the cable terminal coupling device of the present invention has the simple structure shown in the claims, and eliminates the disadvantages of the conventional devices. It also has the advantage of being able to hold a large amount of weight hanging.

In addition, there is no need to unnecessarily bend or bend the power/communication cables connecting the double heavy cargo and the mother ship, so damage to the cables can be reliably prevented and information can be transmitted with high precision. Further, the device of the present invention has the advantage that it is constructed of simple members, is inexpensive, and can be easily maintained and inspected.

[Brief explanation of the drawing]

FIG. 1 shows a conventional cable end coupling device. Fig. 2 is a partially broken side view of a cable end coupling device as an embodiment of the present invention, and Fig. 6 is a side sectional view and partially broken side of a second connecting metal fitting constituting the device of the present invention. FIG. 3 is a plan view shown in cross section. 1... Power/communication cable, 2... Cable, 3...
... both end hardware, 4... first connecting hardware, 5... second connecting hardware, 6... third connecting hardware, 7... heavy object. 8...First pivot shaft, '9...Second pivot shaft, 10
...Mounting part. (a) ( tb > Figure O Ippin - Figure 3

Claims (1)

[Claims] Power and communication cables such as power lines and optical fiber units are coaxially built inside, and the ends are wrapped around each other! I
In a device for connecting a 5Kl cable to a heavy object, a wooden terminal hardware is fixed to the end of the cable, a first connecting hardware whose upper part is fixed to a purple terminal hardware, and a first connecting hardware. A second connecting hardware whose lower part and its upper part are pivotally connected to each other, the lower part of which is pivotally connected to the upper pivot shaft and the upper part of the subsequent connecting hardware, and a lower part of the second connecting hardware. M6 whose upper part is connected and whose lower part is fixed to the opening of heavy objects
1. A cable terminal coupling device, comprising a connecting metal fitting, and the cable terminal coupling device is made of a power/communication cable yxm cable built in the cable, and is passed through the cable by being lodged in the axis of each of the metal fittings to be introduced into the inside of the power/communication cable yxM weight.