JP2000085685A - Heave assisting device and method for underwater suspended matter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure appreciable safeness and save effort in heaving up underwater suspended matters to mother ships, by engaging a hook at the tip of suspension ropes suspended from hoists on the mother ships with a mooring element on the underwater suspended matters from the side of the mother ships. SOLUTION: The heave assisting device of underwater suspended matters for heaving up an underwater suspended matter 2 to be recovered from the water to a mother ship 1 comprises a hoist 3 installed on the motor ship 1, a suspension rope 6 suspended from the hoist 3 and provided with a hook 7 at its tip, a hook guide rope 19 connected to the hook 7 to guide it, a hook lead rope bobbin 22 provided on the underwater suspended matter 2 and accommodating hook lead ropes 20 having a guide net 23 at one part, a mooring element 21 mounted on the underwater suspended matter 2 and to which the hook lead ropes 20 unreeled from the hook lead rope bobbin 22 are locked, and a rod 26 arranged on the mother ship 1 and equipped with a line 27 with a mooring hook 28 adapted to catch the guide net 23 on the hook lead ropes 20 let out of the hook lead rope bobbin 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underwater vehicle used for underwater exploration, such as a submersible vehicle, and an underwater floating object for lifting and recovering an underwater floating object requiring recovery of a weather buoy or the like to a mother ship. The present invention relates to an unloading support device and method.

[0002]

2. Description of the Related Art Conventionally, when an underwater vehicle, which is an underwater vehicle that needs to be recovered, is recovered by a mother ship, an inverted U-shaped mooring device provided on the back of the underwater vehicle. In the work of mooring the hook attached to the tip of the hanging rope hanging from the hoist of the mother ship, a person on a different boat from the mother ship approaches the underwater vehicle with the hook in hand and sails underwater She was moored on a mooring device on her body.

[0003]

When the above-mentioned underwater suspended matter requiring recovery is to be recovered by the mother ship, the hook attached to the tip of the hanging cable hanging from the lifting machine of the mother ship is used. There is a problem in that a manual operation in which a person who gets on a boat approaches the underwater floating object with his hand and gets hooked by the mooring device to be moored is dangerous in stormy weather.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and when an underwater suspended matter is to be recovered by a mother ship, the underwater suspended matter is suspended from a lifting machine of the mother ship to a mooring tool. The present invention provides an apparatus and method for supporting underwater suspended solids that can secure a safety and save labor by operating a mooring of a hook provided at a leading end of a hanging cable from a mother ship. The purpose is to do.

[0005]

An underwater suspension retrieval apparatus according to the present invention includes a lifting machine provided on a mother ship, a hanging cable suspended from the lifting machine and having a hook at a tip end, and a hook connected to the hook. A hook guide cable for guiding the hook, a hook lead cable bobbin provided on the underwater floating material and containing a hook lead cable partially having a guide net, and a hook lead cable bobbin provided on the underwater floating material. And a suspension rod having a fishing line provided on the mother ship and provided with a mooring hook hooked on a guide net of the hook lead cable pulled out from the hook lead cable bobbin. Have.

In addition, a hook insertion guide tube, which is made of metal and has a flexible overall length, is provided at the connecting portion between the hook and the hook guide cable, the taper gradually tapering from the hook distal end to the hook guide cable. I have. further,
The above lifting machine is provided with a balancer arm, and the rope with the tip connected to the hook is always pulled with the same weight as that of the suspended object in the balancer arm, and the rope is extended with more force. , And a buffer device for winding in with less force.

Further, in the method for assisting in the collection of an underwater floating object according to the present invention, a predetermined length of the underwater floating object is protruded from a hook lead cable bobbin provided on the underwater floating object which needs to be recovered, through a mooring device of the underwater floating object. Hooking the mooring hook provided on the fishing line hanging from the suspension rod from the mother ship to the loop-shaped hook lead cable guide net, pulling out the hook lead cable from the hook lead cable bobbin, and pulling it to the hand; Connect the hook guide cable connected to the hook provided at the tip of the hanging cable suspended from the lifting machine of the mother ship to the hook lead cable, and then pull the loop-shaped hook lead cable underwater to bring the hook guide cable underwater. When the hook connected to the hook guide cable comes close to the mooring device for underwater floating objects, move the hook lead cable and Pulling the guide cable together and hooking the hook on the mooring device of the suspended object, and mooring the hook on the mooring device of the suspended object, operating the lifting machine provided on the mother ship to wind up the sling line And lifting the suspended matter from the surface of the water and storing it in the mother ship.

In the present invention, when an underwater floating object that needs to be recovered is recovered from the water by the mother ship, an occupant from the mother ship is provided with a mooring hook provided on a fishing line hanging from a suspension rod. The hook lead rope bobbin is hooked on a guide net of a loop-shaped hook lead rope protruding from the hook bobbin through the mooring device of the suspended matter, and the hook lead rope is pulled out from the hook lead rope bobbin and the crew on the mother ship is pulled out. The hook guide cable connected to the hook provided at the tip of the suspension cable suspended from the hoist of the mother ship is connected to the hook lead cable pulled to the hand, and then the loop-shaped hook lead cable. To bring the hook guide cable closer to the mooring device for the suspended object, and the hook connected to the hook guide cable comes to a position near the mooring device for the suspended material. After pulling the hook lead cable and the hook guide cable together and hooking the hook on the mooring device for the suspended matter in water, operate the lifting machine provided on the mother ship to wind up the suspended rope to remove the suspended matter from the water surface. Because it is lifted and housed in the mother ship, it is possible to easily operate the mooring of the hook to the mooring device of the suspended matter from the mother ship without using a boat as before, ensuring safety Thus, labor can be saved.

In addition, a hook insertion guide cylinder is provided at the connecting portion between the hook and the hook guide cable, the taper being gradually tapered from the tip end of the hook to the hook guide cable, and the entire length formed of metal is flexible. The hook is guided by the hook insertion guide tube when the hook comes to a position in the vicinity of the mooring device of the floating object and the hook lead cable and the hook guide cable are pulled together to hook the hook on the mooring device of the underwater floating object. Therefore, the hook is easily and smoothly hooked to the mooring tool of the suspended matter in the water to be moored. In addition, the lifting machine is provided with a balancer arm, and the rope with the tip connected to the hook is always pulled with the same weight as that of the suspended object in the balancer arm, and the rope is pulled with more force. Since a buffer device is provided to extend and hook up with less force, when the hook comes to a position near the mooring device of the underwater floating material, the hook lead cable and the hook guide cable are pulled together to hook the hook to the underwater floating material. From the time when the hook is moored to the mooring tool and the time when the hook is moored to the mooring tool of the underwater floating material, and the time when the underwater floating material with the hook moored to the mooring device is lifted from the surface of the water by rolling up the hanging cable. Even if the suspended wave moves up and down due to the wave and the suspension force of the suspended water fluctuates, the shock absorber absorbs the vertical movement of the suspended water by pulling out or rolling in the rope. There bumping into the water suspended solids, it is not necessary to deviate from the tether.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a configuration diagram showing a main part of an underwater suspended matter recovery support device according to a first embodiment of the present invention, and FIG. 2 is a configuration diagram showing a hook connected to a hook guide cable. FIG. 3 is an explanatory view showing a process of recovering underwater suspended matter using the underwater suspended matter recovery support device, and FIG. 4 is a view showing a process of recovering underwater suspended matter using the underwater suspended matter recovery support device. FIG. 5 is an explanatory view showing a state in which a hook lead cable is captured, FIG. 6 is an explanatory view showing a state in which a hook guide cable is connected to an extracted hook lead cable, and FIG. FIG. 8 is an explanatory view showing a state of guiding to the body, FIG. 8 is an explanatory view showing a state immediately before the hook is moored by the mooring tool of the underwater vehicle, and FIG.
FIG. 4 is an explanatory view showing a state in which the hook is moored by a mooring tool for suspended matter in water.

In the drawing, reference numeral 1 denotes a mother ship for recovering an underwater vehicle, for example, an underwater vehicle 2 from the water, 3 denotes a hoist provided on the mother ship 1, 4 denotes a crane of the hoist 3, and 5 denotes The hoisting device 6 mounted on the crane 4 is suspended from the crane 4 of the hoisting machine 3 and is hoisted by the hoisting device 54, and 7 is a hook attached to the tip of the hoisting line 6. As shown in FIG. 3, the hook 7 is rotatable about a hook main body 7a, a connecting line 7b for a hanging line provided at a base end of the hook body 7a, and to which a hanging line 6 is attached, and a connecting ring 7 for a hanging line. An L-shaped retaining member 7c attached to the hook body 7a for opening and closing a hook opening of the hook body 7a;
And a balancer cable connection hole 7e provided at the end of the cable.

Reference numeral 8 denotes a hooking lead cable inserted into the hooking cable connection hole 7d of the hook 7 and secured by the tack 9 and the stopper boss 10;
A wire tightening bolt 12 is screwed to the wire tightening bolt 11 and has a collar 12a on the outer periphery. A nut 13 has a collar 12a on its outer periphery. Color 12
The hook insertion guide cylinder is gradually tapered from the tip end side of the hook inserted between the hook insertion guide and the hook guide cable, and has a flexible overall length, and is formed of a metal coil spring.

Reference numeral 14 denotes a balancer arm provided on the crane 4 of the hoist 3, and 15 denotes a shock absorber provided to be suspended from the balancer arm 14.
6 is towed by the same weight as the underwater vehicle 2. Reference numeral 17 denotes a balancer lead cable having one end connected to the wire rope 16 and the other end connected to a balancer cable connection hole 7 e of the hook 7 via a tack 18. Reference numeral 19 denotes a hook guide rope formed of a thick rope connected to the hooking lead rope 8, and is connected to a hook lead rope 20 described later.

An inverted U-shaped mooring device 21 is provided on the underwater vehicle 2 and the hook lead cable 20 is moored. A hook lead cable 22 provided on the underwater vehicle 2 and having a length of about 30 m is provided. 20 is a hook lead cable bobbin accommodating 20. The hook lead cable 20 has been pulled out from the hook lead cable bobbin 22 in a loop shape by about 50 cm in advance, and a part thereof is moored to the mooring tool 21. Reference numeral 23 denotes a guide net provided on a loop-shaped hook lead rope 20 drawn out from the hook lead rope bobbin 22, and is floated on the water surface by a plurality of floats 24 attached thereto. 26 is a hanging rod, 27 is a fishing line hanging from the hanging rod 26, and 28 is an anchor-shaped mooring hook attached to the tip of the fishing line 27.

Next, a method for supporting the lifting of suspended matter in water according to the first embodiment of the present invention will be described. When the underwater vehicle 2 requiring recovery is to be recovered from the water to the mother ship 1, first, when the mother ship 1 approaches about 20 m from the underwater vehicle 2, the state shown in FIG. 3A and FIG. As described above, the crew on the mother ship 1 holds the hanging rod 26 in the hand, and the mooring hook 28 at the tip of the fishing line 27 hanging from the tip of the hanging rod 26 has a loop shape projecting about 50 cm from the hook lead rope bobbin 22 of the underwater vehicle 2. The hook lead cable 20 is hooked on the guide net 23, and the hook lead cable 20 is pulled out from the hook lead cable bobbin 22 as shown in FIG. Next, as shown in FIG. 3 (c) and FIG. 6, a hook 7 provided at the tip of the hanging rope 6 suspended from the crane 4 of the lifting machine 3 of the mother ship 1 is attached to the hook lead rope 20 pulled close to the hand. The hook guide cable 19 connected via the hooking lead cable 8 is fastened with one touch.

Thereafter, as shown in FIG. 3 (d) and FIG. 7, the loop-shaped hook lead cable 20 to which the hook guide cable 19 is attached is pulled by hand.
Is brought close to the mooring tool 21 of the underwater vehicle 2, and FIG.
(F) and when the hook 7 connected to the hook guide cable 19 comes to a position near the mooring tool 21 of the underwater vehicle 2 as shown in FIG.
And the hook guide cable 19 are pulled together, and the hook 7 is hooked on the anchor 21 to be anchored. At this time, hook 7
The hook 7 is guided by the hook insertion guide tube 13 which gradually tapers from the tip side to the hook guide cable 19, so that the hook 7 is smoothly caught by the mooring tool 21 of the underwater vehicle 2, and at the same time, the hook 7 Since the hook member 7c closes the hook opening, the hook 7 is anchored to the anchor 21 in a state where the hook 7 is prevented from coming off. As described above, when the hook 7 is moored to the mooring tool 21 of the underwater vehicle 2, the winding on the crane 4 of the lifting machine 3 provided in the mother ship 1 as shown in (i) to (h) of FIG. The undercarriage 2 is lifted by driving the upper device 5 to lift the underwater traveling body 2. Thereafter, the crane 4 is turned and folded to accommodate the underwater traveling body 2 in the mother ship 1.

As shown in FIGS. 4 (g) to 4 (h), when the hook 7 is moored to the mooring tool 21 of the underwater vehicle 2, the underwater navigation with the hook 7 moored to the mooring tool 21 is performed. Body 2
When the underwater vehicle 2 moves up and down due to the waves and the suspension force of the underwater vehicle 2 fluctuates until the lifting cable 6 is lifted from the water surface by hoisting the lifting cable 6, the lifting machine 3 of the mother ship 1 The buffering device 15 provided on the balancer arm 14 provided on the crane 4 of the first embodiment pulls the suspended wire rope 16 with the same weight as the underwater vehicle 2 to balance. When the underwater vehicle 2 descends and more force is applied to the underwater vehicle 2, the wire rope 16 is drawn out from the shock absorber 15, and the underwater vehicle 2 rises and the weight of the underwater vehicle 2 Is substantially lighter, the wire rope 16 is wound around the shock absorber 15 to absorb the vertical movement of the underwater vehicle 2, so that the hook 7 does not hit the underwater vehicle 7 or come off the mooring tool 21. . When the hook 7 comes to a position near the mooring tool 21 of the underwater vehicle 2, the hook lead cable 20 and the hook guide cable 19 are pulled together to moor the hook 7 to the mooring tool 21 of the underwater vehicle 2. When the position of the underwater vehicle 2 moves up and down due to waves during the work before the operation, the shock absorber 15 operates in the same manner as described above.

As described above, after the occupant operates the suspension rod 26, the hook lead cable 20 and the hook guide cable 19 on the mother ship 1 to moor the hook 7 to the mooring tool 21 of the underwater vehicle 2, the mother ship 1 Operating the lifting machine 3 provided in the
And the mooring of the hook 7 to the mooring tool 21 of the underwater vehicle 2 is carried out on the mother ship 1 without using a boat as in the related art. Since operation can be easily performed from the beginning, safety is ensured, and labor can be saved. The hook lead cable 20 of the underwater vehicle 2 accommodated in the mother ship 1 can be reused by winding it around the hook lead cable bobbin 22.

[0019]

As described above, according to the present invention, when an underwater floating substance that needs to be recovered is recovered from the water by a mother ship,
A hook hook provided on a fishing line hung from a suspension rod by an occupant from a mother ship is pulled out of a hook lead bobbin provided on an underwater float through a mooring tool of the float to protrude a predetermined length from a loop-shaped hook lead. Hung on a rope guide net,
The hook lead cable is pulled out from the hook lead cable bobbin, pulled to the crew member on the mother ship, and connected to the hook provided at the tip of the hanging cable suspended from the hoisting machine of the mother ship. The hook guide cable, and then pull the loop-shaped hook lead cable closer to bring the hook guide cable closer to the mooring device for underwater floating objects. When it comes to the nearby position, pull the hook lead cable and the hook guide cable together, hook the hook on the mooring device of the suspended matter in the water, and moor it. The suspended material is suspended from the surface of the water and accommodated in the mother ship, so the mooring of the hook to the mooring device of the suspended material without using a boat as in the past Operated from the mother ship can easily be carried out, the safety is secured, there is an effect that it is possible to laborsaving.

Further, a hook insertion guide tube is provided at the connecting portion between the hook and the hook guide cable, the taper being gradually tapered from the hook tip side to the hook guide cable, and having a full length made of metal and having flexibility. The hook is guided by the hook insertion guide tube when the hook comes to a position in the vicinity of the mooring device of the floating object and the hook lead cable and the hook guide cable are pulled together to hook the hook on the mooring device of the underwater floating object. Therefore, there is an effect that the hook is easily and smoothly hooked to the mooring tool for the suspended matter in the water to be moored. In addition, the lifting machine is provided with a balancer arm, and the rope with the tip connected to the hook is always pulled with the same weight as that of the suspended object in the balancer arm, and the rope is pulled with more force. Since a buffer device is provided to extend and hook up with less force, when the hook comes to a position near the mooring device of the underwater floating material, the hook lead cable and the hook guide cable are pulled together to hook the hook to the underwater floating material. From the time when the hook is moored to the mooring tool and the time when the hook is moored to the mooring tool of the underwater floating material, and the time when the underwater floating material with the hook moored to the mooring device is lifted from the surface of the water by rolling up the hanging cable. Even if the suspended wave moves up and down due to the wave and the suspension force of the suspended water fluctuates, the shock absorber absorbs the vertical movement of the suspended water by pulling out or rolling in the rope. There is an effect that bumping into water suspended matter, can deviate from the tether eliminated.

[Brief description of the drawings]

FIG. 1 is a configuration diagram illustrating a main part of an underwater suspended solids withdrawal support device according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram showing a hook connected to a hook guide cable.

FIG. 3 is an explanatory view showing a process of lifting underwater suspended matter using the underwater suspended matter recovery support device.

FIG. 4 is an explanatory diagram showing a process of lifting underwater suspended matter using the underwater suspended matter recovery support device.

FIG. 5 is an explanatory diagram showing a state in which a hook lead rope is captured.

FIG. 6 is an explanatory diagram showing a state where a hook guide cable is connected to a hook lead cable that has been pulled out.

FIG. 7 is an explanatory diagram showing a state in which a hook guide rope is guided to an underwater vehicle.

FIG. 8 is an explanatory diagram showing a state immediately before the hook is moored by the mooring tool of the underwater vehicle.

FIG. 9 is an explanatory view showing a state in which the hooks are moored by the mooring tool for floating substances in water.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 mother ship 2 underwater vehicle (water suspension) 3 lifting machine 6 suspension cable 7 hook 19 hook guide cable 20 hook lead cable 21 mooring tool 22 hook lead cable bobbin 23 guide net 26 suspension rod 27 fishing line 28 mooring hook

Claims (4)

[Claims] 1. An underwater suspended matter recovery support device for recovering underwater suspended matter that needs to be recovered from underwater to a mother ship, comprising: a lifting machine provided on the mother ship; a suspender suspended from the lifting machine; A hook lead cable connected to the hook and guiding the hook; a hook lead cable bobbin provided on the underwater floating material and containing a hook lead cable partially having a guide net; and an underwater floating material And a mooring tool to which the hook lead cable pulled out from the hook lead cable bobbin is moored, and a mooring hook installed on the mother ship and hooked on the guide net of the hook lead cable pulled out from the hook lead cable bobbin. And a suspension rod having a fishing line. 2. A hook insertion guide cylinder, which is made of metal and has a flexible overall length, is provided at a connecting portion between the hook and the hook guide cable, the taper gradually tapering from a hook tip side to the hook guide cable. The underwater suspended matter recovery support device according to claim 1, wherein: 3. A lifting arm is provided with a balancer arm,
On the balancer arm, the rope whose tip is connected to the hook is always towed with a force approximately the same weight as the underwater floating object,
3. A cushioning device for unwinding the rope with a higher force and winding the rope with a lower force.
The underwater suspended solids collection support device according to any one of the above. 4. A mother ship is connected to a guide net of a loop-shaped hook-lead cable protruding a predetermined length from a hook-lead cable bobbin provided on an underwater-floating material that needs to be recovered, through a mooring device for the underwater-floating material. A hook hook provided on the fishing line hanging from the hanging rod, pulling the hook lead rope from the hook lead rope bobbin and pulling it to the hand, and the hook lead rope pulled down to the hand was suspended from the lifting machine of the mother ship. Connect the hook guide cable connected to the hook provided at the tip of the suspension cable, and then pull the loop-shaped hook lead cable close to the mooring device for the suspended substance in the water, and connect with the hook guide cable. When the hook has reached the position in the vicinity of the mooring device, the hook lead cable and the hook guide cable are pulled together to float the hook underwater. Once the hook is moored to the underwater mooring tool, the lifting device provided on the mother ship is used to wind up the suspension ropes to lift the underwater floating material from the water surface, A method for supporting the collection of suspended matter in water.