JPH0512156Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a device for tightening a folding hatch roof made of a plurality of panels when the hatch roof is closed.

[Conventional technology]

Generally, in a folding type hatch lid device consisting of multiple panels,
A drive device including a hydraulic cylinder for opening and closing the hatch lid, and a hatch lid tightening device including a hydraulic cylinder for tightening the hatch lid when the hatch lid is closed. .

The conventional hatch lid tightening device is constructed as shown in FIG.
The proximal ends of an arm 106 and a hydraulic cylinder 107 are pivotally attached to each of the arms 106 and 107, and the extendable and retractable tip of the hydraulic cylinder 107 is pivotally attached near the tip of the arm 106.

Further, the proximal ends of a lever 110 and a crank 112 are pivotally attached to an eye plate 108 and a frame member 109 attached to the hatch edge member 102, respectively.
A connecting rod 111 is pivotally attached to the tip of the link mechanism. Note that the lever 110 is disposed so that the upper surface of the distal end of the arm 106 comes into contact with the lower surface of its distal end, and is rotationally driven by the movement of the arm 106 as the hydraulic cylinder 107 expands and contracts.

Furthermore, a hatch lid tightening hook 113 is attached to the crank 112, and the hook 113 is adapted to engage with a hanger 114 attached to a panel 103 constituting the hatch lid when tightening the hatch lid. .

In such a conventional hatch lid tightening device, when the extendable end of the hydraulic cylinder 107 is retracted, the arm 1
06 rotates counterclockwise around the pivot point on the eye plate 104, and the upper surface of the tip of the arm 106 contacts the lever 110, which rotates clockwise around the pivot point on the eye plate 108. Rotating in the rotational direction, the connecting rod 111 moves to the left in FIG.

With this operation, the crank 112 moves the frame member 10
The hook 113 rotates counterclockwise about the pivot point at 9, and the hook 113 engages a hanger 114 attached to the panel 103, as shown in FIG. As shown, the tightening of the hatch lid is completed.

In addition, in order to release the tightening of the hatch cover, it is sufficient to push out the telescopic end of the hydraulic cylinder 107 in the opposite manner to the above.

Further, the opening/closing drive of the hatch cover is performed by another hydraulic cylinder (not shown).

[Problem that the invention attempts to solve]

However, in the conventional folding type hatch lid tightening device as described above, in addition to the hydraulic cylinder for opening and closing the hatch lid, there is also a hydraulic cylinder 10 for tightening the hatch lid in the vicinity of the hatch lid.
7 must be equipped, which poses a problem in that the equipment cost is relatively high.

Furthermore, in order to tighten or unfasten the hatch lid using the hook 113, a manual operation such as tightening or unfastening is required, which is different from the opening/closing operation of the hatch lid, and there is a problem in that these operations require labor. There are also points.

This invention attempts to solve these problems by making it possible to tighten the hatch lid using a hydraulic cylinder for driving the opening and closing of the hatch lid, thereby reducing equipment costs and tightening the lid. It is an object of the present invention to provide a folding type hatch lid tightening device that is easy to operate.

[Means for solving problems]

Therefore, the folding type hatch lid tightening device of the present invention includes a folding type hatch lid consisting of a plurality of panels and a hydraulic cylinder that drives the hatch lid to open and close it.
The base of the hydraulic cylinder is mounted on the ship via a pin so that it can move vertically and rotate, and is pivoted to the base of the hydraulic cylinder by the pin via an oblong hole formed at one vertex corner. A hatch lid tightening drive hardware having a substantially triangular shape is provided, and the hatch lid tightening drive hardware is rotatably pivoted on one of the two other two apex corners on the ship and the other is connected to the hatch lid. a hatch lid tightening hook connected to a link mechanism disposed near the link mechanism and attached to the link mechanism;
The present invention is characterized in that an engaging piece attached to the hatch lid is provided to engage with the hook.

[Effect]

In the folding type hatch lid tightening device of the present invention described above, the hatch lid tightening drive hardware is interlocked with the hatch lid closing operation of the hydraulic cylinder, and the link mechanism is interlocked with the hatch lid tightening drive hardware. The hatch lid tightening hook is engaged with the engaging piece of the hatch lid, and the hatch lid is tightened.

〔Example〕

The folding type hatch lid tightening device as an embodiment of the present invention will be explained below with reference to the drawings. Figure 1 is a perspective view showing a hatch lid tightening device equipped with the same device, and Figure 2 is a perspective view of the hatch lid tightening device equipped with the same device. FIG. 3 is a side view showing the hatch lid of the same hatch lid in a closed state, FIG. 3 is a side view showing the hatch lid open state of the same hatch lid device, FIG. FIG. 4 is a sectional view taken along the line V-V in FIG. 4;

As shown in FIGS. 1 to 3, the upper surface of the hatch rim 4 provided on the upper deck 3 is equipped with a hatch cover consisting of a plurality of (two in this embodiment) panels 1 and 2. These panels 1 and 2 are connected by a hinge 5.

In addition, an arm 6 is attached to the right storage side end of the panel 1.
is attached, and the end of the arm 6 is rotatably mounted around a main hinge 8 attached to a seat 7 on the upper deck 3.

Furthermore, rollers 10 that run along the upper surface of the hatch edge material 4 are attached to both side surfaces of the left end of the panel 2.

As shown in FIGS. 4 and 5, the telescopic tip of a hydraulic cylinder 12 is connected to the center of the arm 6 via a pin 11 to open and close the hatch cover consisting of the panels 1 and 2. . The base end of the hydraulic cylinder 12 is loosely attached to the eye plate 13 on the upper deck 3 by a pin 14 fitted into an oval hole 13a formed in the eye plate 13 so as to be able to slide vertically. has been done.

On the other hand, an eye plate 15 is provided near the eye plate 13 on the upper deck 3.
A delta plate 16 as a hardware for driving the hatch lid tightening is attached to 5 by a pin 17 at one corner of the delta plate 16 so as to be rotatable.

A pin 14 is fitted into an oval hole 16a formed in one of the other two apex corners of the delta plate 16.
The delta plate 16 is connected to the base of the hydraulic cylinder 12 via the same pin 14, and is adapted to operate in conjunction with the closing operation of the hatch lid of the hydraulic cylinder 12.

Further, a pin 18 is attached to the other of the two apex corners.
is attached, and one end of a lever 19 is rotatably pivoted via the same pin 18. The other end of this lever 19 has a bearing 21 mounted on the end side of the hatch edge material 4.
It is attached to one end of the shaft 20 attached by.

The other end of this shaft 20 is connected to a lever 22 and a pin 2.
4 to one end of the connecting rod 23. This connecting rod 23 is disposed on the side surface of the hatch edge material 4 so as to be horizontally movable along the movement direction of the panels 1 and 2 by means of a bearing 25.
3. A link mechanism that interlocks with the delta plate 16 is constructed from the levers 19, 22 and the shaft 20.

As shown in FIGS. 1 to 3, a hatch lid tightening hook 26 is attached to the other end of the connecting rod 23 in the link mechanism. It is designed to engage with a hook 9 as an engagement piece attached to the side of the.

Further, a bracket 27 is attached to the hatch edge material 4 in the direction toward the tip of the connecting rod 23, and between this bracket 27 and the tip of the connecting rod 23, the connecting rod 23
A spring 28 is interposed to bias the hatch cover in the direction of tightening the hatch cover.

Since the folding type hatch lid tightening device as an embodiment of the present invention is constructed as described above, the hatch lid consisting of panels 1 and 2 can be moved from the open state shown in FIG. 3 to the open state shown in FIG. 2. When tightening the hatch roof in the closed state shown in the figure, first slightly retract the telescopic tip of the hydraulic cylinder 12, and the roller 10 will roll on the upper surface of the hatch rim 4 in the leftward closing direction. , the panels 1 and 2 expand around the hinge 5 due to their own weight, and the telescopic tip of the hydraulic cylinder 12 is pushed in, causing the arm 6 to rotate counterclockwise around the main hinge 8.

As a result, the cleft palate becomes closed.

At this time, the left end of the panel 2 is automatically tightened by a known wedge-type fastener (not shown) by utilizing the movement of the panel 2.

From this state, when the extendable end of the hydraulic cylinder 12 is further retracted, the pin 14 moves to the position shown by the chain line in FIG. 4 using the oblong hole 13a formed in the eye plate 13 as a guide. As the pin 14 moves, the delta plate 16 rotates counterclockwise about the pin 17, and the levers 19 and 22 rotate clockwise about the shaft 20.

As a result, the connecting rod 23 moves horizontally to the right in FIG. 4, and as shown in FIG.
and the hook 26 engage with each other, and the biasing force of the spring 28 also acts, so that the tightening of the hatch cover consisting of the panels 1 and 2 is automatically completed.

Note that the biasing force of the spring 28 can prevent oil from leaking from the hydraulic cylinder 12, and can reliably maintain the tightened state of the hatch cover.

On the other hand, when opening the hatch cover from the tightened state as shown in FIG. By pushing out the tip, the delta plate 16, levers 19, 22, and connecting rod 23 are moved from the state shown by chain lines to the state shown by solid lines in Fig. 4, and the tightening of the hatch cover is automatically released. .

By further pushing out the telescopic tip of the hydraulic cylinder 12 from this state, the panels 1 and 2 are
While being folded around the hinge 5, it is stored in a predetermined position as shown in FIG. 3, and the opening of the hatch lid is completed.

In this way, without providing a special hydraulic cylinder for tightening the hatch lid, the hydraulic cylinder 12 for driving the opening/closing of the hatch lid can release or tighten the hatch lid in conjunction with the opening/closing operation of the hatch lid. Since this will be done automatically, the equipment cost required for the hatch lid tightening device will be reduced compared to the conventional method, and the tightening operation will be easier and the labor required for the operation will be eliminated. .

[Effect of idea]

As detailed above, the folding type hatch lid tightening device of the present invention includes a folding type hatch lid made up of a plurality of panels and a hydraulic cylinder that drives the hatch lid to open and close it. In the storage palatal device, the base of the hydraulic cylinder is mounted so as to be vertically movable and rotatable via an onboard pin, and an oblong hole is formed at one vertex corner of the base of the hydraulic cylinder by the pin. A substantially triangular hatch lid tightening drive hardware is provided which is pivotally connected through the hatch opening, and the hatch lid tightening drive hardware is rotatably pivoted on one of the other two apex corners on the ship. On the other hand, a hatch lid tightening hook is connected to a link mechanism disposed near the hatch lid and is attached to the link mechanism, and a hook is attached to the hatch lid to engage with the hook. It has a simple structure in which a joint piece is provided, and there is no need to install a special hydraulic cylinder to tighten the hatch lid.The hydraulic cylinder for driving the opening and closing of the hatch lid operates in conjunction with the opening/closing operation of the hatch lid. Since the palate can be untightened or tightened automatically, the equipment cost required for this device is significantly reduced compared to conventional ones, and the tightening operation is extremely easy, making it easier to perform the same operation. This eliminates the need for additional effort.

[Brief explanation of the drawing]

Figures 1 to 5 show a folding type hatch lid tightening device as an embodiment of the present invention.
The figure is a perspective view showing a hatch lid device equipped with the same device.
Figure 2 is a side view showing the hatch lid closed state of the hatch lid device, Figure 3 is a side view showing the hatch lid open state of the hatch lid device, and Figure 4 is an enlarged view of the part shown in Figure 2. The side view, FIG. 5 is a sectional view taken along the line V-V in FIG. 4, and FIG. 6 is a side view showing a conventional folding type hatch lid tightening device. 1, 2...Panel constituting the hatch lid, 3...Upper deck, 4...Crack mouth edge material, 5...Hinge, 6...Arm, 7...Seat, 8...Main hinge, 9...
...Hook as an engaging piece, 10...Roller, 11
... Pin, 12 ... Hydraulic cylinder, 13 ... Eye plate, 13a ... Hole, 14 ... Pin, 15
...Eye plate, 16...Delta plate as a hardware for tightening the hatch lid, 16a...Hole, 17,
18...Pin, 19...Lever, 20...Shaft, 2
1... bearing, 22... lever, 23... connecting rod,
24...Pin, 25...Bearing, 26...Hook for tightening the hatch lid, 27...Bracket, 28...Spring.

Claims (1)

[Scope of utility model registration request] In a hatch lid device that includes a folding type hatch lid consisting of a plurality of panels and a hydraulic cylinder that drives the hatch lid to open and close, the base of the hydraulic cylinder is mounted on the ship via a pin that allows vertical movement and rotation. A substantially triangular hatch lid tightening drive hardware is movably attached to the base of the hydraulic cylinder and pivotally connected to the base of the hydraulic cylinder through an oblong hole formed at one vertex corner of the hydraulic cylinder, The hatch lid tightening drive hardware is rotatably pivoted on one of the other two vertex corners on the ship, and the other is connected to a link mechanism disposed near the hatch lid, and the link A folding type cargo hatch lid tightening device, characterized in that a hatch lid tightening hook is attached to a mechanism, and an engagement piece is attached to the cargo hatch lid to engage with the hook. Device.