JPH0721436Y2 - Inflatable liferaft drop device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a dropping device for an inflatable liferaft equipped on a ship or the like.

[Conventional technology]

FIG. 3 is a partially cutaway front view showing a conventional inflatable liferaft dropping device, FIG. 4 is a right side view thereof, and FIG. 5 is a left side view thereof. In the figure, (1) is a container, in which an inflatable liferaft is stored, but the illustration is omitted. (2) is an inclined mount for loading this container, which is formed into an inclined frame base by combining angle members, and is installed on the side of the deck of the ship. (3) is an auxiliary rail, and two rails (3a) made of angle members are integrated by the side (3b). The auxiliary rail (3) is attached to the lower part of the inclined mount (2) so as to be rotatable around the rotation shaft (4), and locks the container (1) that stands upright as shown by the solid line and is stacked. From the state, it rotates in the direction of the arrow X and falls on the extension of the inclined mount (2) as shown by the chain line Y. (5) is a lashing rope,
One end is locked to a cross rail (6) made of an angle member provided on the upper end side of the inclined mount (2) via a turnbuckle (7), an automatic disengagement device (8) and a locking ring (9). Is
Further, the container (1) is secured from above, and the other end is locked by the locking ring (10). The automatic disengagement device (8) is operated by a water pressure above a certain level. Reference numeral (11) is a spacing member that holds the spacing between the lashing ropes (5). Reference numeral (12) is a support rod, which is rotatably attached to a rotation shaft (13) supported between two rails (3a) of the auxiliary rail (3), and has an engaging portion at its tip. Stop ring (14)
Are formed. (15) is a pull bar for manual dropping, one end of which is a locking hole (17) and a locking hole provided in a horizontal bar (16) made of an angle member fixed to the lower end side of the tilting platform (2). Inserted in the rings (10), (14), one end of the lashing rope (5) and the support rod (12) is locked, and the other end is locked in a locking hole (18) provided in the horizontal rail (6). Has been inserted. Reference numeral (19) is a horizontal rail that regulates the fall position of the auxiliary rail (3), and reference numeral (20) is a side support frame that supports the side surface of the container (1), both of which are formed by angle members.

In the above-mentioned inflatable liferaft dropping device, by manually pulling out the pulling bar (15) for manual dropping in an emergency,
The locking rings (10) and (14) are unlocked, and the lashing rope (5)
And the pole (12) is released. As a result, the auxiliary rail (3) rotates in the direction of the arrow X in FIG. 3 to the position of the chain line Y and falls on the extension of the inclined mount (2). In this state, the container (1) is placed on the inclined mount (2) and the auxiliary rail (3).
It rolls down and is dropped onto the surface of the water.

[Problems to be solved by the device]

Since the conventional inflatable raft dropping device is configured as described above, the locking ring (14) is attached to the pulling bar (15) for manual dropping.
Since the load of the auxiliary rail (3) in the upright state is applied via the lock rail (10) and the load of the container (1) is applied via the locking ring (10), the pull bar (15) is attached to the cross rails (6), (16). ) Locking holes (17) and (18) are used as fulcrums
Particularly, the upper surfaces of the locking holes (17) and the lower surfaces of the locking rings (10) and (14) are strongly pressed. As a result, the frictional resistance increases,
There has been a problem that a large force is required to pull out the pull bar (15), and it is difficult to drop the container (1) quickly and reliably in an emergency.

The present invention has been made to solve the above-mentioned problems, and it is possible to easily pull the pulling bar for manual dropping to release the lock with a small force. The purpose is to obtain an inflatable liferaft drop device that can be dropped on a ship.

[Means for Solving the Problems]

The device for dropping an inflatable life raft according to the present invention is constructed such that an inclining stand for loading a container for storing the inflatable life raft and a standing stand for locking the container loaded on the inclining stand, and an extension of the tilting stand. An auxiliary rail rotatably attached to the inclined mount so that the container and the standing auxiliary rail are fixed from above, the end being locked to the upper end side of the inclined mount. , A manual drop pull bar that locks a support rod rotatably attached to the auxiliary rail to the cross rail of the tilt base in the upright state of the auxiliary rail, and one end of a receiving portion provided on the manual drop pull bar. And an L-shaped member that engages the lateral end of the slanting pedestal at the other end and locks the lower end of the securing rope inside.

[Action]

In the dropping device of the inflatable life raft according to the present invention, by pulling out the pulling bar for manual dropping, the lock of the support rod of the auxiliary rail is released and the engagement between the pulling bar and the L-shaped member is released. It At this time, the engagement between the L-shaped member and the cross rail of the inclined mount is released by the tensile force of the lashing rope. As a result, the auxiliary rail rotates from the upright position and falls down to the extended position of the inclined mount. In this state, the container rolls down on the sloping mount and the auxiliary rail and is dropped onto the surface of the water.

In the above dropping device, the load of the container is applied only to the lashing rope, and the load is distributed to both ends of the L-shaped member. A small load is applied to the manual drop pull bar that receives one of the loads due to the leverage ratio, and the pull bar can be easily pulled out with a small force.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a main part of an inflatable liferaft dropping device according to an embodiment, and FIG. 2 is a sectional view taken along the line AA of FIG. Indicates.

Container (1), tilting platform (2), auxiliary rail (3),
The cross rails (6), (16), (19) and the like are formed in the same manner as in FIGS. 3 to 5, but are omitted in the drawing. The lashing rope (5) is formed in substantially the same manner, but is designed to lash the container (1) and the horizontal rail (3b) of the standing auxiliary rail (3) from above. The support rod (12) is formed in a strip plate shape, and is rotatably attached to a rotation shaft (13) supported by the auxiliary rail (3) by a bearing portion (21) formed at one end side thereof. An elongated hole-like locking hole (14a) into which the manual dropping pull bar (15) can be inserted is formed at the other end. The pull bar (15) is provided with a sleeve-shaped receiving portion (22). (23) is an L-shaped member and has an elongated hole (23
The end of a) is the sleeve-shaped receiving part (22) of the pull bar (15).
The end of the short piece (23b) is inserted into and engaged with the horizontal bar (16).
The bearing portion (24) is fixed to the inner corner portion of the L-shape, and the lower end portion of the lashing rope (5) is inserted and locked. Other configurations are the same as those in FIGS. 3 to 5.

In the dropping device of the inflatable life raft configured as described above, the container (1) and the auxiliary rail (3) are secured with the securing rope (5) from above, and the lower end portion thereof is the L-shaped member (23). ), The long piece (23a) of the L-shaped member (23) is inserted into and engaged with the receiving portion (22) of the pull bar (15), and the short piece (23b). Is engaged with the cross rail (16), and thereby the lashing rope (5) is locked. In this state, the pull bar (15) is inserted into the locking hole (14a) of the supporting rod (12) and the locking holes (17) and (18) of the cross rails (6) and (16), and then the supporting rod (12). ) Is locked.

In this state, the container (1) and the auxiliary rail (3)
Load does not act on the support rod (12) but only on the lashing rope (5), and the load is distributed to the long piece (23a) and the short piece (23b) of the L-shaped member (23). A small load acts on the pull bar (15) that receives the load on the side of the piece (23a) because of the leverage ratio.

In the above-mentioned inflatable liferaft dropping device, by pulling out the pulling bar (15) for manual dropping, the auxiliary rail (3)
The support rod (12) of is unlocked and the pull bar (1
The engagement between the receiving portion (22) of 5) and the long piece (23a) of the L-shaped member (23) is released. At this time, the short force (23b) of the L-shaped member (23) and the cross rail (16) supported by the inclined mount (2) are also released by the tensile force of the lashing rope (5). As a result, the auxiliary rail (3) rotates from the standing position of the solid line in FIG. 2 to the position of the chain line Y in the direction of the arrow X, and falls on the extension of the inclined mount (2). In this state, the container (1) rolls down on the inclined mount (2) and the auxiliary rail (3) and is dropped on the water surface.

In the above dropping device, the load of the container (1) is applied only to the lashing rope (5), the load is distributed to both ends of the L-shaped member (23), and the pulling bar for manual dropping receives one load. Since a small load acts on (15) due to the leverage ratio, the pull bar (15) can be easily pulled out with a small force, and the container (1) can be dropped quickly and reliably even in an emergency. can do.

In addition, although the support rod (12) is formed in the shape of a strip plate in the above embodiment, the shape thereof is not limited and may be the same shape as the conventional one.

[Effect of device]

As described above, according to this invention, the container and the auxiliary rail are secured by the lashing rope and the end portion of the lashing rope is locked by the L-shaped member, so that it can be easily performed with a small force. The locking can be released by pulling the pulling bar for manual dropping, which has the effect of quickly and reliably dropping the container in an emergency.

[Brief description of drawings]

FIG. 1 is a plan view showing a main part of an inflatable liferaft dropping device according to an embodiment, FIG. 2 is a sectional view taken along line AA of FIG. 3, and FIG. 3 is a part showing a conventional inflatable liferaft dropping device. FIG. 4 is a right side view and FIG. 5 is a left side view of the same. In the drawings, the same reference numerals indicate the same or corresponding parts, and (1)
Is a container, (2) is an inclined mount, (3) is an auxiliary rail,
(3b), (6), (16) and (19) are cross rails, (5) is a lashing rope, (12) is a support rod, (14a), (17) and (18) are locking holes, (15) is a pull bar for manual dropping, (22) receiving part, and (23) is an L-shaped member.

Claims (1)

[Scope of utility model registration request] 1. A tilted platform for loading a container for storing an inflatable liferaft, and a tilted platform for standing up so as to lock the container loaded on the tilted platform and falling down on an extension of the tilted platform. Rotatably mounted to the auxiliary rail, a lashing line whose one end is locked to the upper end side of the inclined mount, and a lashing rope for lashing the container and the erected auxiliary rail from above, and the auxiliary rail being rotatable. And a pulling bar for manually dropping the supporting rod attached to the cross rail of the tilting platform in a standing state of the auxiliary rail, and one end of which engages with a receiving portion provided on the pulling bar for manual dropping. An inflatable liferaft dropping device, comprising: an L-shaped member that engages a cross rail of a slanted pedestal at the other end and locks a lower end portion of the securing rope inside.