JPH0435280Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a chain pipe cover device for preventing water from entering through the upper end opening of a chain pipe communicating with an anchorage of a ship.

[Conventional technology]

The conventional chain pipe cover device has the 13th,
There are the ones shown in Fig. 14 and Figs. 15 and 16. In the one shown in Figs. 13 and 14, the chain pipe cover is divided into a pair of cover members 41, 41, and one end of each of the cover members 41, 41 is is provided with a hook 49, and fasteners 45 are provided at several locations around the hook 49.

Further, a packing 50 is attached to a portion of the lower surface of the cover member 41 that engages with the upper end of the chain pipe 42 . Further, an opening is formed in the chain passage portion of the cover members 41, 41, and an annular collar plate 54 is attached to the upper surface of the cover members 41, 41 around the outer periphery of the opening.

The cover members 41, 41 are fixed in this way by connecting the hook 49 to an eye plate 48 erected on the hull.
After fitting the cover members 41, 41 together and engaging the gasket 50 with the upper end of the chain pipe 42, insert the fastener 45 of the cover members 41, 41 onto the seat 47 provided on the hull. The two cover members 41, 41 are tightened and fixed by a chisel-shaped clamping hardware 43, and both cover members 41, 41 are connected to each other by a chisel-shaped clamping hardware 46 to be tightened and fixed.

On the other hand, a chain 51 guided by a chain pipe 42 passes through the collar plate 54 of the cover members 41, 41, and the gap between the collar plate 54 and the chain 51 is formed by the canvas cover 56.
The canvas cover 56 is fastened to the collar plate 54 and the chain 51 with stoppers 55, 55, respectively.

Note that the gap between the color plate 54 and the chain 51 may be covered with cement.

Figures 15 and 16 show other examples of conventional chain pipe cover devices, and this conventional example is also the first example.
Although it is constructed almost the same as the device shown in FIGS. 3 and 14, a plurality of stoppers 65 are provided on the outer periphery of each of the pair of cover members 41, 41, and the stoppers 65 are engaged with the upper end of the chain pipe 42. At the same time, the cover members 41 and 41 are connected to each other with chi-shaped fasteners (not shown), so that the cover members 41 and 41 are attached to the upper end of the chain pipe 42.
41 is fixed. Then, the gap between the color plate 54 and the chain 51 is covered in the same way as in the previous example.

In this way, by covering the upper end opening of the chain pipe 42 with the cover members 41, 41 and sealing the gap between the collar plate 54 and the chain 51, the ship can be accessed from the upper end opening of the chain pipe 42. It is designed to prevent water from entering the anchorage shed, etc.

[Problem that the invention attempts to solve]

However, in the above-mentioned conventional chain pipe cover device, all operations such as attaching and detaching the cover members 41 and 41 and sealing the gap between the covers with the canvas 56 (or cement, etc.) are performed manually. member 41,
41 is located at the lower part of the anchor chain storage of the anchor lifting machine, and therefore the work efficiency is low and the above-mentioned work is dangerous and takes a long time.

The present invention attempts to solve the above-mentioned problems, and is a chain pipe cover that allows the cover member to be easily and safely attached and removed and the cover gap to be sealed without using any human power. The purpose is to provide equipment.

[Means for solving problems]

For this reason, the chain pipe cover device of the present invention has one end pivotally mounted on the ship at the upper end opening of the chain pipe extending upward through the hull deck, and each other end connected to the arc-shaped guide on the ship. A pair of cover members guided along a rail are provided, and one end of each of the pair of fluid pressure cylinders is pivotally connected to the corresponding cover member in order to rotate these cover members to open and close, Each other end of the cylinder is loosely attached to the ship via a loose attachment mechanism consisting of an elongated hole member and an engagement pin, and a stopper is provided for closing and restraining each other end of the pair of cover members. A soft gasket is biased by a spring to be pressed against a stopper release shaft connecting each other end of the cylinder, and the pair of cover members is provided with a soft gasket for watertight engagement with the chain when the pair of cover members is closed. It is characterized by the presence of

[Effect]

With the chain pipe cover device of the present invention described above,
When the pair of hydraulic cylinders are extended in the closed state of the cover member, one end of the cylinder drives the stopper through the stopper release shaft, disengaging the stopper from the end of each cover member. When the hydraulic cylinder is further extended, the other end of the cylinder drives each cover member to rotate left and right about the pivot point, and each cover member is opened.

On the other hand, when the fluid pressure cylinder is contracted in the open state of the cover member, the other end of the cylinder rotates each cover member left and right in the closing direction around the pivot point to close each cover member. do. At this time, each cover member is watertightly engaged with the chain via the soft packing.

〔Example〕

Hereinafter, a chain pipe cover device as an embodiment of the present invention will be explained with reference to the drawings. FIG. 1 a is a plan view thereof, and FIG.
FIG. 2 is a sectional view taken in the direction - arrow of FIG. 1, FIG. 3 is a sectional view taken in the direction - arrow of FIG. 5 is a cross-sectional view taken along the - arrow in FIG. 1, FIGS. 6 to 9 are perspective views showing the constituent members, FIG. Figures a to c are plan views for explaining the action during the opening operation, and Figure 12 a.
-c are plan views for explaining the action during the closing operation.

As shown in FIGS. 1 to 5, a pair of cover members 3, 3 are arranged near the upper end opening of the chain pipe 2 extending upwardly through the hull deck 1 so as to cover the opening. A hinge portion 3f is formed at each end of both cover members 3, 3, and both cover members 3, 3 are attached coaxially to each other on the hull deck 1 at this hinge portion 3f. It is pivotally connected to the stand 5 by a pin 5a, and the other ends of both cover members 3, 3 are connected to a guide plate 3 with a cover along an arcuate guide rail 4 provided on the hull deck 1.
It is designed to be guided through c.

The guide rail 4 is mounted horizontally on an end stopper/rail leg 4a and a rail leg 4b which are erected on the hull deck 1.

Further, cylinder mounting bases 3g, 3g are attached to the upper surfaces of both cover members 3, 3, respectively, and pins 11 are attached to the cylinder mounting bases 3g, 3g.
A pair of fluid pressure cylinders 11,
11 are pivotally connected at one end to the other.

The other ends of the cylinders 11, 11 are loosely attached via pins 11a, 11a to elongated hole members 6a, 6a of cylinder mounts 6, 6 erected on the hull deck 1. 6a, 6a has pin 11
A stopper release lever 7 as shown in FIG. 8 is also loosely attached via a and 11a. Note that a loose attachment mechanism 18 is constituted by the elongated hole member 6a and the pin 11a.

On the other hand, reinforcing members 3c, 3c and stopper receivers 3d, 3d are respectively fixed to the upper surfaces of both cover members 3, 3 on the engaging portion sides of both cover members 3, 3. Soft packings 12, 12 are attached to the chain engaging portions of both cover members 3, 3 via packing receivers 3b, 3b so that the cover members 3, 3 engage watertightly with the chain 13 when closed. Further, a side plate 3a is fixed around the lower surface of each cover member 3, 3, and a side plate 3a at the end of each cover member 3, 3 on the guide rail 4 side,
Covered guide plates 3c and 3e are provided at the bottom of 3a and are slidably fitted to the guide rail 4.

Furthermore, the cylinder mounting base 6 on the hull deck 1,
A stopper mounting eye 4d as shown in FIG. 9 is protruded from the rail leg/spring receiver 4c installed in the middle of the rail leg 6, and a stopper operating metal fitting 9 as shown in FIG. 7 is provided. There is. As shown in FIG. 2, a spring 10 is placed between the spring seat 9a of the stopper operating hardware 9 and the spring seat 4e provided on the rail leg/spring receiver 4c. The stopper operating hardware 9 is inserted into the spring 1 while being engaged with the rail leg and spring receiver 4c so as to be pressed outward from the rail leg/spring receiver 4c.
0, the shaft portion 9c of the stopper operating hardware 9 is fitted into the guide hole 4f provided in the spring seat 4e, and
It is possible to advance and retreat while being guided by, especially when no external force acts on the stopper 8, which will be described later.
The spring 10 always maintains the state shown by the solid line in FIG.

By the way, a stopper 8 consisting of a stopper body 8e and a stopper shaft 8f, which close and restrain the ends of the cover members 3, 3, is pivotally attached to the stopper attachment eye 4d by a pin 8a. An end of a stopper actuating metal fitting 9 is pivotally connected to the lower end of the stopper 8 by a pin 8b. As shown in FIGS. 1a and 2, the lower surface of the stopper main body 8e is adapted to come into contact with the upper surface of the end of the cover members 3, 3 when the cover members 3, 3 are closed. The stopper body 8e is formed with a stopper groove 8e that engages with the stopper receiver 3d when the cover members 3, 3 are closed. Further, the stopper body 8e includes stopper receivers 3d, 3 of the cover members 3, 3.
Slanted surfaces 8d and 8d are formed so as to guide the stopper 8 by contacting the slanted surfaces 8d.

Further, between the stopper release levers 7, 7, as shown in FIGS. 2 and 8, the stopper release shaft 7a is connected to the other ends of the cylinders 11, 11 via the stopper release levers 7, 7. , are arranged horizontally inside the stopper 8 and above the pin 8a. Then, the stopper 8 is moved to the stopper release shaft 7 by the biasing force of the spring 10.
It is designed to be pressed toward a.

On the other hand, the fluid pressure cylinders 11, 11
As shown in the figure, it is connected to an operating system 17 comprising a switching valve 14, a control valve 15, and a conduit 16. In the same operation system 17, a positive pressure pipe P and a negative pressure pipe T are introduced into the switching valve 14 from an external pressure device (not shown), and the switching valve 14 is opened to an open port 14b, a closed port 14c, and a stop port 14d by operating a handle 14a. can be switched to either.

In addition, the switching valve 14 and the fluid pressure cylinders 11, 1
1, there is a control valve 15 and conduits 16, 16.
is interposed, the control valve 15 is composed of a check valve 15a and a speed regulating block 15b, while the conduits 16, 16 are connected to a pair of hydraulic cylinders 11, 11.
Connected to the front and rear of the piston inside.

Then, by operating the switching valve 14 and the control valve 15, the pair of fluid pressure cylinders 11, 1
The amount of elongation or the amount of contraction of 1 is made equal to each other and appropriately controlled.

Since the chain pipe cover device of the present invention is constructed as described above, when both the cover members 3, 3 are in the closed state, the hydraulic cylinders 11, 11 are contracted, as shown in FIG. 11a. , the stopper shaft 8f is pressed by the spring 10 below the pin 8a and urges the stopper main body 8e above the pin 8a to both cover members 3, 3, and the stopper receivers 3d, 3d are inserted into the stopper groove 8c of the stopper main body 8e. It is fitted.

When opening the cover members 3, 3 from such a closed state, as shown in FIG. The side end portion is moved and the stopper release shaft 7a is slid via the stopper release lever 7. The stopper release shaft 7a presses the stopper shaft 8f while moving toward the position shown by the chain line in FIG. Free from gold 3d and 3d.

After the stopper 8 is released, the hydraulic cylinder 1
When 1 and 11 are further extended, the same cylinder 1
The ends of cylinder mounting bases 3g of cylinder mounting bases 1 and 11 move and rotate around pins 5a to open both cover members 3 and 3 to the left and right, respectively, and as shown in FIG. 11c, the cover members 3. Open 3 completely.

At this time, the other ends of the cover members 3, 3 are guided and slid along the guide rail 4 via the covered guide plates 3e, 3e.

On the other hand, when closing the cover members 3, 3 from the open state shown in FIG. As shown in FIG. 12a, the stopper receivers 3d, 3d at the other ends of the cover members 3, 3 are in contact with the inclined surfaces 8d, 8d of the stopper 8, and are pressed against the inclined surfaces 8d, 8d. , drive the cover members 3, 3 to rotate.

Then, as shown in FIG. 12b, while sliding the stopper 8 in the direction shown by the arrow X in FIG. 12b, when the cover members 3, 3 are completely closed, the stopper 8 is Arrow Y in c
It returns again in the direction shown by the biasing force of the spring 10 and enters the stopper groove 8c of the same stopper 8.
The stopper receivers 3d, 3d of the cover members 3, 3 are fitted, and the cover members 3, 3 are closed and fixed.

Note that the fluid pressure cylinders 11, 11 are the 10th
As shown in the figure, the switching valve 14 is operated via the control valve 15. That is, when opening the cover members 3, 3, the opening port 14 is opened so that the hydraulic cylinders 11, 11 extend.
When switching to the b side and closing the cover members 3, 3, the switch is switched to the closing port 14c side. When stopping the cover members 3, 3 in the open state or the closed state, the switching valve 14 is switched to the stop port 14d.

In this way, in the chain pipe cover device of this embodiment, by simply switching the switching valve 14, all the operations of opening, closing and fixing the cover members 3, 3 can be performed automatically. Since the cover members 3, 3 are watertightly engaged with the chain 13 at the chain engagement portion, there is no need for conventional sealing work. Each task can be performed easily and safely, and each task can be significantly simplified and manpower saved.

In addition, the fluid pressure cylinder 1 in this embodiment
1 and 11 are in a contracted state when the cover members 3 and 3 are in the closed state during voyage, so there is also the advantage that the rod portions of the cylinders 11 and 11 are less likely to be corroded.

[Effect of idea]

As described in detail above, according to the chain pipe cover device of the present invention, each one end is pivotally mounted on the ship, and each other end is pivoted to the upper end opening of the chain pipe that extends upwardly through the hull deck. A pair of cover members are provided which are guided along arc-shaped guide rails on the ship, and in order to rotate these cover members to open and close, one end of each of the pair of hydraulic cylinders is attached to the corresponding cover member. At the same time, each other end of the cylinder is loosely attached to the ship via a loose attachment mechanism consisting of an elongated hole member and an engaging pin, and the other ends of the pair of cover members are closed and restrained. The stopper is biased via a spring so as to be pressed against the stopper release shaft connecting the other ends of the pair of cylinders, and the pair of cover members engage the chain in a watertight manner when the cover members are closed. Due to its simple structure, which includes a soft gasket, operations such as opening, closing, and fixing the cover member, as well as sealing between the cover member and the chain, can all be performed by remote control without using human power. As a result, each task can be performed easily and safely, which helps save the ship's crew.

[Brief explanation of drawings]

Figures 1 to 12 show a chain pipe cover device as an embodiment of the present invention. Figure 1a is a plan view thereof, and Figure 1b is an enlarged exploded view of part b of Figure 1a. A perspective view, FIG. 2 is a sectional view taken along the - arrow in FIG. 1, and FIG. 3 is a sectional view taken along the - arrow in FIG.
Fig. 4 is a sectional view taken in the direction - arrow of Fig. 1, Fig. 5 is a sectional view taken in the direction - arrow of Fig. 1, Figs. Hydraulic circuit diagram showing the cylinder operating system, 1st
1A to 1C are plan views for explaining the action during the opening operation, FIGS. 12A to 1C are plan views for explaining the action during the closing operation, and FIGS. Fig. 14 shows a conventional chain pipe cover device, Fig. 13 is a plan view thereof, Fig. 14 is a sectional view taken along the - arrow in Fig. 13, and Figs. 15 and 16 show other conventional chain pipe cover devices. Fig. 15 is a plan view of the cover device, and Fig. 16 is a plan view of the cover device.
It is an arrow sectional view. 1...hull deck, 2...chain pipe, 3...
...Cover member, 3a...Side plate, 3b...Packing receiver, 3c...Reinforcement material, 3d...Stopper receiver, 3e...Guide plate with cover, 3f...Hinge part, 3g...Cylinder mounting base, 4 ... Guide rail, 4a ... End stopper and rail leg, 4
b...Rail leg, 4c...Rail leg/spring receiver, 4d...Stopper mounting eye, 4e...Spring receiver, 4f...Guide hole, 4g...Spring guide, 5...Cover mounting base, 5a... ...Pin, 6...Cylinder mounting base, 6a...Elongated hole member, 7...Stopper release lever, 7a...Stopper release shaft, 8...Stopper, 8a, 8b...
...Pin, 8c...Stopper groove, 8d...Guiding slope, 8e...Stopper body, 8f...Stopper shaft, 9...Stopper operating hardware, 9a...Spring seat, 9b...Spring guide, 9c
...Shaft portion, 10...Spring, 11...Fluid pressure cylinder, 11a, 11b...Pin, 12...
Soft packing, 13...Chain, 14...Switching valve, 14a...Handle, 14b...Open port,
14c...Closed port, 14d...Stop port, 1
5... Control valve, 15a... Check valve, 15b... Speed adjustment block, 16... Conduit, 17... Operation system, 18... Loose fitting mechanism, P... Positive pressure pipe, T... Negative pressure pipe.

Claims (1)

[Scope of utility model registration request] A pair of covers each having one end pivotally attached to the ship and the other end guided along an arcuate guide rail on the ship at the upper end opening of a chain pipe extending upward through the ship's hull deck. In order to open and close the cover members by rotating the cover members, one end of each of the pair of hydraulic cylinders is pivotally connected to the corresponding cover member, and the other end of the cylinder is engaged with the elongated hole member. A stopper is loosely attached to the ship via a loose attachment mechanism consisting of a dowel pin, and closes and restrains the other ends of the pair of cover members, and a stopper releases the stopper that connects the other ends of the pair of cylinders to each other. A chain pipe cover device, which is biased via a spring so as to be pressed against a shaft, and includes a soft gasket for watertightly engaging the chain when the pair of cover members is closed.