JP3538952B2 - Underwater equipment installation configuration construction mechanism using rope - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underwater equipment installation configuration in which a plurality of equipment bodies are supported at predetermined intervals on an extension cable hanging down from a buoy floating on the water surface or underwater. TECHNICAL FIELD The present invention relates to an underwater equipment installation configuration construction mechanism using an extension cable constructed by arranging a rope and a method of constructing the same.

[0002]

2. Description of the Related Art In exploration of marine resources and the terrain of the sea floor and measurement of the underwater environment such as water temperature, equipment such as a sonar sound source and an observation device must be suspended at the water surface or underwater to be installed at a predetermined depth. A device is suspended by an extension cable having a length equal to a set depth having one end fixed to a buoy.

When it is necessary to install a plurality of devices at different depths at the same point, the lower device is suspended from the upper device by an extension cable having a length equal to the difference in depth, and these devices are connected. Was to respond. That is, FIG.
As shown in FIG. 7, the individual equipment bodies 11 'are connected by an extension cable 12' having a length equal to the depth difference between the equipment bodies 11 'and installed in a single line.

[0004] The installation of the equipment body is carried out by separately storing the equipment body and the extension cable in the hold of the measurement ship (or observation ship) to the installation point, and after the measurement ship arrives at the installation point, the equipment body and the extension cable are extended. This is performed by transporting the ropes from the hold to the connection work position on the deck by a crane or the like, and dropping the equipment body and the extension ropes into the water while connecting them.

[0005]

However, as described above, in the equipment installation configuration in which the extension cable and the equipment body are connected in a chain, and when the equipment body is installed at the same point and the same depth for a long period of time, Although there was no particular problem, it was extremely inconvenient when frequent changes of points and depths were required. That is, the change of the installation point is performed by performing a recovery process in which the equipment body and the extension cable are pulled up, the connection between the two is released, and the two are stored separately, and then the apparatus is moved to a new installation point and the above-described expansion (installation) is performed. The process had to be carried out, which took time to transport to the storage location and to connect and disconnect, and the transport work on board was dangerous. Further, there is also a problem that the equipment body and the extension rope cannot be rationally stored in the hold, and a large storage space is required. Furthermore, if it is necessary to change the installation depth of the equipment, various types of extension ropes corresponding to the length must be prepared in advance. Was also complicated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and can easily and rationally store equipment bodies and installation cables, and facilitates the work of connecting the equipment bodies and installation cables.
And to provide a water equipment installation configuration construction Organization using rope that can easily cope with the case of frequently changing the installation location and depth.

[0007]

An underwater equipment installation configuration construction mechanism using a cable that achieves the above object has a structure in which a plurality of equipment bodies are arranged at predetermined intervals from a water surface or a buoy floating in the water to an extending cable suspended from the buoy. A mechanism for constructing a supported underwater equipment installation configuration by extending the expansion rope from above an installation vessel, wherein the installation vessel has a detachable operation facing a water surface of the equipment body installation area.
Business area, and a plurality of units each having a mounting means for attaching to the extension cord.
Are accommodated in series and movably in the arrangement direction.
An equipment body storage part whose open end faces the attachment / detachment work area,
The above-described expansion rope is wound and accommodated, and the accommodated expansion rope is repeated.
The extension rope extension means that extends from the stern side to the bow side
And the expanding cable extending means is arranged in series.
The extension cable extended from the upper side of the device body storage unit
Cable that guides the installation area to the water surface
Arrangement means between the upper side of the attachment / detachment work area and the water surface of the equipment body installation area
Transport means for supporting the movable drive between the upper side,
In front of the laying rope arranging means located above the detachable work area
Extend the extension cable reaching the water surface to the installation area
And an expanding index obtaining means for obtaining information.

[0008]

[0009]

According to this configuration, the unwinding cable can be unwound from the extension rope unwinding means.
To the extension cable laying means located above the detachable work area
Guided through the upper part of the equipment storage section
The extension rope routed toward the surface is used as the indexing means
Therefore, it is drawn to the attachment / detachment work area,
Attach to the equipment body moved to the work area by the attachment means,
Is the extension cable arranging means above the detachable work area by the transport means?
And move it to above the water surface where the equipment is installed, and
Synchronously extend the extension rope from the extension rope extension means.
With this, send the equipment attached to the extension cable out of the measurement boat
Accordingly, it is possible to construct an underwater equipment installation configuration in which a plurality of equipment bodies are supported at a predetermined interval on an extension cable hanging from a buoy floating on the water surface. Also, with this
Underwater equipment installed in the reverse process can be recovered
You.

[0010]

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a side view of a stern portion of a measuring ship as an installation ship, and FIG. 2 is a plan view thereof.

On the stern deck of the measuring vessel 1, there is provided an extension / recovery mechanism 20, which is an embodiment of an underwater equipment installation configuration construction mechanism using a rope according to the present invention.

The extension / recovery mechanism 20 winds the equipment body 11 mounted on the measuring ship 1 and transported to the equipment installation water area in a winch 25 as an extension rope feeding means, and accommodates the installation rope 12 as an expansion rope accommodated therein. Is fixed at a predetermined position, and the installation rope 12 is extended underwater to construct the equipment installation configuration shown in FIG.

That is, in the installation configuration shown in FIG. 9, the sinking buoy 14 is connected to the upper end of the installation rope 12 whose lower end is connected to the expansion anchor 13, and the sinking buoy 14 is vertically disposed in the water by the buoyancy of the sinking buoy 14. The equipment body 11 is supported at a predetermined position (ie, a predetermined depth) of the installation rope 12. The sinking buoy 14 is connected to a platform buoy 15 floating on the water surface via a mooring arm 16 and a mooring hose 17. Further, a recovery rope 18 connected to the expansion / recovery mechanism 20 on the measuring vessel 1 is connected to a rear end of the installation rope 12 (that is, a connecting portion to the expansion anchor 13). , And is fixed to the water bottom by a recovery auxiliary anchor 19 located immediately below the measuring boat 1 provided on the way. Recovery Anchor 19
The space between the extension anchor 13 and the extension anchor 13 is loosened with a margin, and the space between the auxiliary recovery anchor 19 and the measuring vessel 1 directly above is vertical.

During navigation to the equipment installation water area, as shown in FIG. 2, the platform buoy 15 is mounted on the side deck of the extension / recovery mechanism 20 of the measuring vessel 1, and the
The sinking buoy 14 is mounted in a detachable work area 26 described later.

The extension / recovery mechanism 20 transports the uppermost part of the upper surface of the base 21 laid on the stern deck of the measuring vessel 1 to the nearest stern.
An A-frame crane 22 is provided as a feeding means, and an equipment body storage part 23 for storing the equipment bodies 11 in an aligned state is provided in front of the equipment (bow side). Further, a deck independent of the base 21 is provided in front of the equipment storage part 23. Another base 2 laid on top
A winch 25 is provided on 4. In winch 25,
The installation rope 12 is wound and accommodated, and the installation rope 12 is arranged via a guide pulley 23C described later and a suspension pulley 22E as an extension cable arranging means provided at the tip of the A-frame crane 22. The cable is tied to the sinking buoy 14 at its tip. A power cable take-up reel 30 is provided on the side of the winch 25, and a crawler crane 40 is further provided on the bow side of the winch 25. The power cable 31 wound around the power cable take-up reel 30 passes through a cable pulley 22F at the tip of the A-frame crane 22 with a routing route defined by a guide roller 32 and a cable guide 33, and then the mooring hose 16 And bundled in the mooring boom 17,
The platform buoy 15 has been reached. In the figure, reference numeral 70 denotes a rack for storing anchors and other materials.

In the following, the extension and unloading mechanism 20 will be described in detail. The A-frame crane 22 has a flat-portion-shaped boom 22A supported by a support column 22B erected on the base 21 at its open-side base end so as to be swingable in the front-rear direction. The base end is connected to a rod of a boom cylinder 22D pivotally supported via a link 22C, and is driven to swing back and forth by driving the boom cylinder 22D. Further, a suspension pulley 22E and a cable suspension pulley 22F are provided at the tip thereof. The A frame crane 22 includes the boom cylinder 2
The suspension pulley 22 supported on the tip by the 2D drive
E is located on the water surface at a predetermined distance behind the stern side (indicated by a dashed line in FIG. 1), and E is substantially upright and the suspension pulley is located above the open end side of the equipment body storage section (see FIG. 1). (Indicated by a two-dot chain line in FIG. 1).

The device body storage section 23 is configured such that a support frame 23A having an inner width capable of accommodating the device body 11 and opening backward is installed at a predetermined height in the front-rear direction. Its length is
It is set so that a predetermined number of equipment bodies 11 can be arranged and accommodated in series. In the illustrated embodiment, six equipment bodies 11 can be accommodated. The device body 11 is movably stored in the device body storage unit 23 along a direction in which the device body 11 is extended by a roller 11A, which will be described later, provided in the device body 11; Fixed to impossible.

Pulley support columns 23B having predetermined heights are respectively provided on both left and right sides of the front end portion of the device body storage section 23. A guide pulley 23C is mounted on a pulley shaft provided between the pulley support columns 23B. It is rotatably supported.

FIG. 3A is a side view of the equipment body 11,
As shown in a plan view in FIG.
Rollers 11A are rotatably provided on the left and right side surfaces at positions corresponding to the support frame 23A of the device body storage unit 23 and the bottom surface, respectively, so as to be rotatable about a horizontal rotation axis in the left-right direction. While being supported by the support frame 23A and the roller 11A on the bottom surface being supported by the base 21, the roller 11A is easily and movably stored in the device body storage unit 23 by rotation of the roller 11A. In addition, an attachment / detachment mechanism 50 is provided at upper and lower two places on the front surface as attachment means, a partial enlarged plan view of which is shown in FIG.

The attachment / detachment mechanism 50 is configured such that a fixed lever 51 and a lock lever 52 are pivotally mounted on a rope receiving portion 11B protrudingly formed on the equipment body 11.

The rope receiving portion 11B has a semicircular meshing concave portion 11C in the center of the front side thereof which can accommodate the installation rope 12.
Are formed with their central axis in the vertical direction.

The fixed lever 51 has a meshing concave portion 51A similar to the meshing concave portion 11C of the rope receiving portion 11B, and is formed of a flat spring steel.
Is pivotally attached to one end of the rope receiving portion, and the meshing concave portion 51A is opposed to the meshing concave portion 11C of the rope receiving portion 11B, and can swing between a position where the installation rope 12 is sandwiched therebetween and an open position. It is provided in. The distal end portion is an outer edge-shaped lock portion 51B approximated to an arc of a predetermined radius centered on a pivot point of a lock lever 52, which will be described later, in a state where the fixed lever 51 sandwiches the installation rope 12. .
The vicinity of the arc-shaped center of the outer edge of the lock portion 51B is formed to protrude by a predetermined amount toward the large diameter side.

As shown in FIG. 5, which is a view taken in the direction of arrow A in FIG. 4, the lock lever 52 is pivotally attached to the rope receiving portion 11B at a base end formed in a forked manner.
The position of the fixed lever 51 is symmetrical with respect to the pivoting position of the fixed lever 51 with respect to C. The bifurcated branch base 52A is connected to the lock lever 5.
2 swings, the meshing recess 11C of the rope receiving portion 11B
Installation rope 1 between the engaging recess 51A of the fixing lever 51 and
2. Locking part 51 of fixed lever 51 in a state where 2 is sandwiched
B is set so as to interfere with the outer peripheral large diameter portion by a predetermined amount. From the state where the branch base 52A interferes with and contacts the large-diameter portion of the outer edge of the lock portion 51B, the lock lever 52 is swung to the interference side with a predetermined force, whereby the lock portion 51B is rotated.
B can be elastically deformed as shown by the broken line in FIG. 4 and housed in the forked portion. Further, by swinging more than a predetermined angle, the branch base 52A gets over the large-diameter portion of the lock portion 51B and is imaginary line in FIG. An irreversible lock state shown by.

The attachment / detachment mechanism 50 having the above-described structure includes the fixed lever 5
1 is pivotally released and the installation rope 12 is positioned in the engagement recess 11C of the rope receiving portion 11B, and the fixed lever 51 is closed to be installed between the engagement recess 11C of the rope receiving portion 11B and the engagement recess 51A of the fixed lever 51. With the rope 11 in between,
The installation rope 12 is fixed to the rope receiving portion 11B (that is, the device body 11) by swinging the lock lever 52 to be in the locked state. In other words, in other words, the installation rope 1
2 can be equipped with a device body 11.

The area between the support column 22B of the A-frame crane 22 and the equipment body storage part 23 is an attachment / detachment work area 26 for attaching and detaching the equipment body 11 to and from the installation rope 12, and is transferred from the equipment body storage part 23 here. A guide member 27 for guiding the device body 11 to be positioned at a predetermined attachment / detachment position is provided. still,
As described above, since the sinking buoy 14 is mounted on the detachable work area 26 during navigation to the equipment installation water area, the guide member 27 is stored in another place, arrives at the equipment installation water area, and arrives at the equipment installation water area. Is transported to the detachable work area 26 by the crawler crane 40 after being transferred to the water surface.

A rope pulling device 60 (not shown in FIG. 1) is provided in the floor portion of the detachable action area 26 as an expansion index pulling means.

As shown in a plan view in FIG. 6, the rope pulling device 60 has a chipped annular shape that wraps the installation rope 12 for at least half a circumference at the front end of a gripping arm 61 that is driven to expand and contract by a predetermined stroke by an expansion mechanism (not shown). A pair of gripping arms 62 are pivotally attached at the ends, and each of the gripping arms 62 is pulled and urged toward the open side by a spring 63 fixed to the gripping arm 61, and is gripped by a gripping operation wire rope 64. It is configured to be operated.

At the tip of the gripping arm 61, a gripping arm 62 is mounted, and in addition, a U-shaped arm 61 whose tip is open.
A and an arm 61B protruding to the side are provided,
A guide pulley 6 that defines a routing path of the gripping operation wire rope 64 at the tip of each of the arms 61A and 61B.
5 are supported.

One end of the spring 63 has a gripper arm 62.
And the other end is locked to a protrusion 61C protruding from the outer surface on the base end side of the gripping arm 61. Then, the grip arm 62 is urged to swing outward by the elastic restoring force to open the grip arm 62 so that the distance between the distal ends of the left and right grip arms 62 is equal to or larger than the diameter of the installation rope 12 as shown by the broken line in FIG. .

The gripping operation wire rope 64 has a slide member 6 whose one end is slidably inserted outside the gripping arm 61.
6 and is routed around guide pulleys 65 and 67 so as to bypass the distal end side, and the other end is coupled to the projection 62 </ b> A of the gripping arm 62.

The slide member 66 is connected to a cylinder rod of an operation cylinder 68, which is a hydraulic cylinder provided along the grip arm 61.
By the drive of 8, the slider 8 slides back and forth along the grip arm 61.

In the rope pulling device 60 having the above structure, the gripping arm 62 swings to the open side by the urging force of the spring 63 when the slide member 66 is positioned at the distal end side of the gripping arm 61 by the operating cylinder 68 so that both grips are held. Arm 62
As shown by the broken line in FIG.
6 can be passed, and the slide member 66 is positioned on the base end side of the gripping arm 61 by driving the operation cylinder 68 so that the gripping arm 62 moves through the gripping operation wire rope 64 as shown by a solid line in FIG. As a result, both gripping arms 62 are closed by a swing operation against the urging force of the spring 63 to form a closed ring. Thereby, both gripping arms 62
The gripping arm 61 is extended in a state where the
The installation rope 12 can be gripped by positioning the installation rope 12 in the area surrounded by 2 and closing the gripping arm 62 by driving the operation cylinder 68, and by contracting the gripping arm 61 in the gripping state. Installation rope 1
2 can be drawn.

The amount of expansion and contraction of the gripping arm 61 of the rope pulling device 60 depends on the A-frame crane 22 in a substantially vertical state.
Of the installation rope 12 (indicated by a two-dot chain line 12 'in FIG. 1) on a diagonal line connecting the suspension pulley 22E of FIG. 1 and the outer peripheral surface of the lifting roller 1A provided at the stern of the measuring vessel 1. The setting rope 12 is set so that it can be pulled from the hanging pulley 22E to a position where the installation rope 12 is in a vertically hanging state. The position of the installation rope 12 vertically suspended from the suspension pulley 22E matches the position of the attachment / detachment mechanism 50 of the measuring body 11 located in the attachment / detachment work area 26.

The winch 25 is configured such that a drum for winding the installation rope 12 is rotationally driven by a drive motor (not shown), and the rotation of the drum allows the installation rope 12 to be wound on or pulled out of the drum. It has become. A winding position regulating pulley (rope shifter) 25A is provided on the front side of the drum so as to be movable in parallel with the axial direction of the drum.

The installation rope 12 is routed from the drum of the winch 25 via the front take-up position regulating pulley 25A, the rear guide pulley 23C, and the suspension pulley 22E of the A-frame crane 22. It is connected to the sinking buoy 14.

Thus, the above-structured extension / recovery mechanism 20
By the action such under Symbol of wearing the device body 11 to the predetermined position while stretched installation rope 12, the apparatus body 1
1 are supported by the installation ropes 12 and located at a predetermined depth to construct the installation configuration shown in FIG.

First, as shown in FIG. 6, the platform buoy 15 is lifted by the crane ship 2 different from the measuring ship 1 and moved to the outboard water surface. Then, the installation rope 12 is pulled out from the winch 25 while being substantially upright. The swinging buoy 14 stored in the attachment / detachment work area 26 is moved to the stern side water surface by swinging the A-frame crane 22 at the rear, and the installation rope 12 is drawn out from the winch 25 and floated on the water surface.

Thereafter, the installation rope 12 is further extended from the winch 25, and the equipment body 11 is mounted at a predetermined position (position of the extension amount corresponding to the equipment installation depth). At that time, the crawler crane 40 transports and installs the guide member 27 in the attachment / detachment work area 26.

The installation rope 1 as an extension cord of the equipment body 11
2 is attached to the device body 1 stored in the device body storage unit 23.
1 is moved to the detachable work area 26 on the rear side by removing a fixing pin (not shown), and then the A-frame crane 22 is rocked forward from the rear rocking position to a vertical state. The installation rope 12 (shown by a two-dot chain line 12 ′ in FIG. 1) which is oblique and substantially straight from the suspension pulley 22 </ b> E toward the stern lifting roller 1 </ b> A is gripped by the rope pulling device 60, and the attachment / detachment work area 26 is provided. Attraction. As a result, the installation rope 12 is connected to the suspension pulley 22.
It becomes vertically suspended from E and matches the position of the attachment / detachment mechanism 50 of the device body 11 located in the attachment / detachment work area 26. Here, the equipment body 11 is attached to the installation rope 12 by the attachment / detachment mechanism 50.
Fixedly attached to After attaching the equipment body 11 to the installation rope 12, the gripping of the installation rope 12 by the rope pulling device 60 is released, the A frame crane 22 is swung rearward, and the equipment body is pulled out from the winch 25 while the equipment body 11 is pulled out. 11 to the rear surface of the water, winch 25
Is immersed in the water by pulling out the installation rope 12. After that, the installation interval of the equipment body 11 (installation depth difference)
Each time the installation rope 12 having a length equal to the length is paid out, the above steps are repeated, and the equipment body 11 is attached to the installation rope 12 and sent out into the water. A collecting rope 18 is connected to the rear end of the installation rope 12, and this connection portion (that is, the installation rope 1) is connected.
2 and the extension anchor 13 is connected to the device body 11 and put into water in the same manner as the device body 11. After that, the recovery rope 18
The sinking buoy 14 is drawn into the water at a predetermined depth by the expanding anchor 13, and the installation rope 12 is vertically routed by the buoyancy of the sinking buoy 14. Is installed at a predetermined depth, and the equipment installation configuration shown in FIG. 9 is constructed.

The lifting of the installation structure of the equipment (winding of the installation rope 12 and collection of the equipment 11) is performed in the reverse of the above-described construction step (equipment installation step). That is, the winch 25
The recovery rope 18 and the installation rope 12 are wound up by the swinging of the A-frame crane 22 so that the equipment body 11 is rotated.
Is collected in the attachment / detachment work area 26, and the attachment / detachment mechanism 50
Is released from the installation rope 12 and the device body 11 is stored and fixed in the device body storage unit 23.

[0042]

As described above, according to the underwater equipment installation configuration construction mechanism using the cable according to the present invention, the equipment can be easily and rationally stored in the equipment housing, and the equipment housing can be stored. the device body which has moved to the detachable work area from parts, by attaching the mounting means to a predetermined position of the stretched rope drawn out of the stretched cord feeding means was pulled nearest to detachment work area by the stretched rope drawn means, deployed equipment body It can be very easily mounted on a cable. After that, the extension cord is extended from the extension rope extension means and is transported by the transportation means.
The extension cable laying means from above the work area
By moving and driving above the water surface, it is possible to easily construct a configuration in which the equipment body is supported by the extension cable and installed at a predetermined position in the water with good workability. Therefore, since the storage of the equipment body and the attachment to the extension cord are easy, it is possible to flexibly and easily cope with the change of the installation point and the change of the installation depth of the equipment body.

[0043]

[Brief description of the drawings]

FIG. 1 is a partial side view of a ship provided with an extension / recovery mechanism which is an embodiment of an underwater equipment installation configuration construction mechanism using a cable according to the present invention.

FIG. 2 is a plan view of the ship.

FIG. 3A is a side view of a measurement body, and FIG. 3B is a plan view thereof.

FIG. 4 is a plan view of the attachment / detachment mechanism.

FIG. 5 is a view taken in the direction of the arrow A in FIG. 4;

FIG. 6 is a plan view of the rope pulling device.

FIG. 7 is an explanatory diagram of a construction process of an underwater equipment installation configuration by an expansion / discharge mechanism.

FIG. 8 is an explanatory diagram of a construction process of an underwater equipment installation configuration by an expansion / discharge mechanism.

FIG. 9 is a diagram showing an underwater equipment installation configuration.

FIG. 10 is an explanatory diagram of a conventional example.

[Explanation of symbols]

Reference Signs List 1 measurement vessel (installed vessel) 11 equipment body 12 installation rope (extension cord) 14 sinking buoy (buoy) 20 extension / extraction mechanism (underwater equipment installation / configuration construction mechanism ) 22A frame crane (transportation means) 22E hanging pulley (extension ) Rope arranging means) 23 Equipment body storage unit 25 Winch (expansion cable extension means) 26 Attaching / detaching work area 50 Attaching / detaching mechanism (attaching means) 60 Rope pulling device (expanding index approaching means)

Continuation of the front page (56) References JP-A-5-262278 (JP, A) JP-A-7-33083 (JP, A) JP-A-60-243587 (JP, A) JP-A-63-107298 (JP) , U) Jikken 52-44554 (JP, Y1) (58) Fields investigated (Int. Cl. ⁷ , DB name) B63C 11/48 A01K 77/00

Claims (1)

(57) [Claims] 1. An underwater equipment installation configuration in which a plurality of equipment bodies are supported at predetermined intervals on an extension cable disposed from a buoy floating on the water surface or in the water, and the extension cable is extended from an installation ship. A mechanism to be constructed, wherein the installation vessel has an installation / removal work area facing the surface of the equipment body installation area
And a plurality of machines each provided with means for attaching to the above-mentioned extension rope
The containers are accommodated in series and movably in the arrangement direction.
An equipment body storage part whose open end faces the attachment / detachment work area,
Take up and extend the extension cable and pull out the accommodated extension cable
From the stern side to the bow side
Along with being arranged in series, the extension cords extended from the extension cord extension means are
Passing through the upper side of the equipment storage section and facing the water surface of the equipment installation area
The extension cable laying means for guiding
So that it can be driven to move between the
Transport means to be held, and the extension cable arranging means located above the detachable work area.
The extension cable from the equipment installation area to the water surface
An underwater equipment installation configuration construction mechanism using a cable, comprising: an expansion index approaching means for attracting an underwater vehicle.