JP3667451B2 - Boat suspension - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement of a boat suspension device provided with an attachment / detachment device for detachably connecting a boat to a suspension rope.
[0002]
[Prior art]
Conventionally, a suspension device has been used that suspends a small boat such as a submersible craft from a large mother ship side with a suspension rope and picks it up from the sea to a large mother ship or throws it into the sea from the mother ship. . Such a suspension device includes an attachment / detachment device that detachably connects a suspension rope and a small boat. Examples of such attachment / detachment devices include Japanese Utility Model Publication Nos. 61-176188 and 61. A proposal is made in Japanese Patent No. 176188.
[0003]
Of these, the attachment / detachment device disclosed in Japanese Utility Model Laid-Open No. 61-176188 includes a hook on the suspension rope side that is pivotally operated by an operation lever, and a claw that holds the shackle on the short boat side together with the hook. In this way, the rope and the boat are connected.
[0004]
On the other hand, the attaching / detaching device disclosed in Japanese Utility Model Laid-Open No. 61-176188 has a hook body provided on a metal fitting body connected to a suspension rope, and grips the engaging head of the connection portion connected to the boat side. The connection between the rope and the boat.
[0005]
[Problems to be solved by the invention]
However, the one disclosed in Japanese Utility Model Publication No. 61-9393 is used to suspend a relatively small boat having a weight of about 3 to 6 tons. Will get worse.
[0006]
On the other hand, the one disclosed in Japanese Utility Model Publication No. 61-176188 can be used to suspend a relatively large boat having a weight ranging from 30 to 40 tons. In particular, when the small boat or the mother ship shakes, the operation by the operator becomes difficult.
[0007]
The present invention has been made paying attention to such problems, and can be used for suspending a relatively heavy boat, and is a detachable apparatus with good workability, which is composed of relatively lightweight components. It aims at providing the suspension device of the boat provided with.
[0010]
[Means for Solving the Problems]
A first invention is a boat provided with a trolley extending from a mother ship, a winch installed on the trolley, a suspension rope extending from the winch, and an attachment / detachment device for detachably connecting the suspension rope and the boat. In the suspension device, the attachment / detachment device is attached to either the suspension cable or the boat and the other of the suspension cable or the boat, and the engagement part is fitted. A pair of levers including a fitting portion formed with a hollow portion to be inserted and a pressing portion for supporting the locking portion from both sides in the hollow portion are provided on both sides of the fitting portion so as to be rotatable.
A spherical portion formed on the locking portion; an inclined portion formed on the lever from the insertion side of the locking portion to the pressing portion; and the pressing portion locks the locking portion. Urging means for urging the lever in a direction to move the lever.
[0012]
According to a second aspect of the present invention, there is provided fixing means for fixing the lever in a state where the pressing portion locks the locking portion.
[0015]
[Action]
In the first invention, the engaging portion provided on either the suspension rope or the boat extending from the trolley is fitted into the fitting portion provided on the other of the suspension rope or the boat, and the fitting portion Since the suspension rope and the boat can be connected by being locked by the lever pressing portions provided on both sides of the detachable device, the attachment / detachment device can be composed of relatively lightweight components and is easy for the operator to operate. .
Further, when the spherical portion of the locking portion is in contact with the inclined portion of the lever, the lever is expanded to oppose the urging means, and is inserted into the fitting portion and passes through the inclined portion. Since the lever is pushed back and the pressing portion locks the locking portion, the operator can perform the connecting operation only by fitting the locking portion into the fitting portion, and the connecting operation becomes easy.
[0017]
In the second invention, since the lever is fixed by the fixing means in a state where the locking portion is locked by the pressing portion, the connection between the suspension rope and the boat is stably maintained.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
[0019]
As shown in FIG. 1, a trolley 2 of a suspension device 60 is installed on the shore side of the mother ship 1 so as to be extendable toward the hull side of the mother ship 1. A pair of winches 3 are provided on the trolley 2, and wire ropes 5 that are suspension ropes extend from the winches 3.
[0020]
A folded portion 7 is rotatably supported by a U-shaped portion at the tip of the trolley 2 via a hinge 8. The middle folding portion 7 is rotated as indicated by an arrow in FIG. 1 by the expansion and contraction operation of the middle folding cylinder 10 and moves up and down on the tip side.
[0021]
Each of the pair of wire ropes 5 is guided by a guide roller 11 installed on the front end side of the bent portion 7 and hangs down on the front end.
[0022]
At the tips of these wire ropes 5, attachment / detachment devices 15 for attaching / detaching the submersible craft 14 are provided. The pair of wire ropes 5 are connected to the bow side and the stern side of the submersible craft 14 via the attachment / detachment device 15, respectively, and if the wire rope 5 is wound or unwound by the operation of the winch 3, the submersible craft 14. Can be picked up or put in.
[0023]
As shown in FIG. 2, the attachment / detachment device 15 includes an engaging portion 27 attached to the end fitting 21 at the tip of the wire rope 5 and a fitting portion fixed to the upper portion of the submersible craft 14 by a plurality of bolts 22. 23. Both the locking part 27 and the fitting part 23 are made of, for example, hardware.
[0024]
The cylindrical end fitting 21 is fixed to the distal end of the wire rope 5 by crimping the distal end portion of the wire rope 5 in a hollow portion (not shown). The locking portion 27 has a hemispherical shape, and is attached to the end fitting 21 so that the spherical portion comes to the end fitting 21 side.
[0025]
On the other hand, the inside of the fitting part 23 is hollowed out to form a hollow part 31. Further, an opening portion 32 for guiding the hollow portion 31 and the locking portion 27 is opened on the side surface of the fitting portion 23.
[0026]
When the locking part 27 is accommodated in the hollow part 31 of the fitting part 23 through the opening 32, the end fitting 21 supporting the locking part 27 is formed on the upper surface of the fitting part 23. However, when the wire rope 5 is pulled upward in this state, the hemispherical surface of the locking portion 27 is located above the hollow portion 31. Are fitted into a fitting surface 35 formed so as to fit.
[0027]
Further, at this time, the protrusion 34 protrudes from the portion corresponding to the side of the locking portion 27 of the opening 32 and closes the opening, so that the fitting surface is urged upward by the wire rope 5. The engaging portion 27 fitted to the engagement portion 35 is engaged with the protruding portion 34 and is prevented from coming out from the opening portion 32 in the lateral direction. Will be held.
[0028]
Note that the winch 3 can smoothly insert and remove the wire rope 5 with respect to the swinging of the submersible craft 14 and the mother ship 1 by a predetermined tension control method. When the wire rope 5 is to be held in a state where it is fitted, a tension mode in which the wire rope 5 has a predetermined tension that does not lift the submersible craft 14 is taken, and the engagement between the locking portion 27 and the fitting surface 35 is stably performed. You can also keep it.
[0029]
Next, the operation will be described.
[0030]
The submarine 14 is lifted from the sea to the mother ship 1 or thrown into the sea from the mother ship 1. The pair of wire ropes extending from the winch 3 fixed to the trolley 3 is made to project the trolley 3 from the shore side to the hull side. The submarine 14 connected to the end fitting 21 at the tip of the wire rope 5 via the attaching / detaching device 15 is moved up and down by being wound up or down by the winch 3 while synchronizing 5.
[0031]
In this case, as shown in FIG. 3, the end fitting 21 side and the submarine 14 side are connected by the attaching / detaching device 15 with the engaging portion 27 at the tip of the wire rope 5 in a state where the tension is loosened. It is made by manually fitting from the side. Thereafter, the wire rope 5 is wound up with the winch 3 in the tension mode, and the locking portion 27 is fitted to the fitting surface 35 of the fitting portion 23 and held.
[0032]
Thus, the suspending device 60 of the present invention is formed of only a relatively lightweight member, and the detaching device 15 that only needs to fit the locking portion 27 at the tip of the wire rope 5 from the side of the fitting portion 23. Therefore, it can be easily attached and detached by human power.
[0033]
FIG. 4 shows an attachment / detachment device 16 according to another embodiment of the present invention.
[0034]
This attachment / detachment device 16 is for connecting the end fitting 21 at the tip of the wire rope 5 hanging downward and the submersible craft 14 in the same manner as in the embodiment shown in FIG.
[0035]
As a component of the attachment / detachment device 16, a locking portion 41 having a hemispherical spherical surface portion 54 is provided, and a support member 42 that supports the locking portion 41 at the tip is erected on the upper surface of the submersible boat 14. . In this case, the spherical surface portion 54 of the locking portion 41 is directed upward.
[0036]
On the other hand, a cylindrical fitting portion 44 as shown in FIG. 5 is attached to the end fitting 21 at the tip of the wire rope 5. The support member 42 and the locking portion 41 at the tip thereof are fitted into the hollow portion 43 of the fitting portion 44. Further, a pair of levers 46 are provided on both side surfaces of the fitting portion 44, and when these levers 46 are rotated in the closing direction, the pressing portion 47 of the lever 46 is inserted into the hollow portion 43. The locking portion 41 is held in the hollow portion 43 by engaging with the flat lower surface portion of the portion 41 from below.
[0037]
The lever 46 is biased by a spring 48 (shown only on one lever 46) in the closing direction (direction in which the locking portion 41 is locked), and normally takes a closed position. The inclined portion 55 is provided from the side where the locking portion 41 is inserted to the pressing portion 47, and when the locking portion 41 is inserted into the fitting portion 44, the spherical surface portion 54 of the locking portion 41 is the inclined portion. The lever is pushed and spreaded against the urging force of the spring 48 until it reaches the pressing portion 47 while contacting with 55.
[0038]
Further, as shown in FIG. 6, a ring member 49 having a pair of lever fitting holes 51 into which the pair of levers 46 are fitted is used as a fixing device for fixing the lever 46 in the closed position at that position. It is attached to the fitting part 44 in the fitting part fitting hole 52 formed between the fitting holes 51.
[0039]
Thus, when the lever 46 is fixed in the closed position, the ring member 49 may be moved along the fitting portion 44 so that the tip of the lever 46 is fitted into the lever fitting hole 51. Thereby, the latching | locking part 41 by the lever 46 is reliably latched.
[0040]
As described above, also in this embodiment, the attachment / detachment device 16 is formed of a relatively lightweight member and can be attached / detached only by fitting / removing the engaging portion 41 to / from the fitting portion 44. It can be carried out.
[0041]
At this time, the locking portion 41 is provided with the spherical surface portion 54 toward the fitting portion 44 to be fitted, and the lever 46 is provided with the inclined portion 55, so that it is biased in the closing direction by the spring 48. The lever 46 can be easily inserted into the hollow portion 43 while expanding.
[0044]
【The invention's effect】
According to the first invention, the locking portion provided on either the suspension rope or the boat extending from the trolley is fitted into the fitting portion provided on either the suspension rope or the boat. Since the suspension rope and the boat can be connected if they are locked by the holding parts of the levers provided on both sides of the joint part, the attachment / detachment device can be composed of relatively lightweight components and is easy for the operator to operate. It is.
Further, when the spherical portion of the locking portion is in contact with the inclined portion of the lever, the lever is expanded to oppose the urging means, and is inserted into the fitting portion and passes through the inclined portion. Since the lever is pushed back and the pressing portion locks the locking portion, the operator can perform the connecting operation only by fitting the locking portion into the fitting portion, and the connecting operation becomes easy.
[0046]
According to the second invention, since the lever is fixed by the fixing means in a state where the locking portion is locked by the pressing portion, the connection between the suspension rope and the boat is stably maintained.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of the present invention.
FIG. 2 is a side view showing the detachable device.
FIG. 3 is a plan view of the same.
FIG. 4 is a side view showing an attaching / detaching device according to another embodiment.
FIG. 5 is a perspective view showing the fitting portion in the same manner.
FIG. 6 is a perspective view showing the ring member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Mother ship 2 Trolley 3 Winch 5 Wire rope 14 Submarine 15 Detachment device 16 Detachment device 23 Fitting part 27 Locking part 31 Hollow part 32 Opening part 35 Fitting surface 41 Locking part 44 Fitting part 46 Lever 47 Holding part 48 Spring 49 Ring member 54 Spherical surface portion 55 Inclined portion

Claims (2)

With a trolley extending from the mother ship,
A winch installed in this trolley,
A hanging rope extending from this winch,
A detachable device for detachably connecting the suspension rope and the boat;
In a boat suspension device with
The attachment / detachment device is formed with a locking portion attached to either the suspension rope or the boat and a hollow portion attached to either the suspension rope or the boat, into which the locking portion fits. A pair of levers provided with holding parts that support the locking part from both sides in the hollow part, and are provided rotatably on both sides of the fitting part.
A spherical portion formed in the locking portion, an inclined portion formed on the lever so as to reach the pressing portion from the insertion side of the locking portion, and a direction in which the pressing portion locks the locking portion And a biasing means for biasing the lever,
When the locking portion is inserted into the fitting portion, the lever faces the biasing force of the biasing means until the spherical portion of the locking portion contacts the inclined portion and reaches the pressing portion. The boat suspension device is characterized in that the locking portion is fixed to the fitting portion so as to spread out. In a state where the pressing portion has locked the locking portion,
The boat suspension apparatus according to claim 1 , further comprising fixing means for fixing the lever.

Images