JPH0512157Y2 - - 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]

In general, a folding type hatch lid tightening device consisting of multiple panels includes a drive device that includes a hydraulic cylinder to open and close the hatch lid, and a drive device that includes a hydraulic cylinder to open and close the hatch lid. A hatch lid tightening device including a hydraulic cylinder for tightening the roof is provided.

Conventionally, the hatch lid tightening device is configured as shown in FIG. 11 (side view), and is attached to the upper deck 101
Eye plates 104 and 10 mounted on
The proximal ends of an arm 106 and a hydraulic cylinder 107 are pivotally attached to each of the arms 106 and 5, 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 arranged so that the upper surface of the distal end of the arm 106 comes into contact with the lower surface of the distal end thereof, 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 pulled in, the arm 1
06 rotates counterclockwise around the pivot point on the eye plate 104, and the upper surface of the distal end 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. 11.

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.

In addition, in order to tighten or unfasten the hatch lid using the hook 113, manual operations such as tightening or unfastening are required in addition to the opening/closing operation of the hatch lid, and these operations require labor. There is also.

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]

For this reason, the folding type hatch lid tightening device of the present invention has a folding type hatch lid consisting of a plurality of panels, and the base end is pivoted to the ship's hull in order to drive the hatch lid to open and close it. In a hatch lid device including a hydraulic cylinder, an arm whose end is rotatably attached to the hull is attached to the storage side end of the hatch lid, and an elongated hole in the direction of expansion and contraction of the hydraulic cylinder is formed in the arm. At the same time, the above-mentioned arm and the telescopic tip of the hydraulic cylinder were connected via a pin passing through the same elongated hole, while a hatch lid tightening drive hardware was attached to the side of the above-mentioned arm. The hatch lid tightening drive hardware is rotatably mounted on a shaft or a shaft attached to the hatch edge material, and the hatch lid tightening drive hardware and the hydraulic cylinder are linked by the first engagement means via the pin, and A lever linked to the lid tightening drive hardware by a second engagement means and a link mechanism linked to the lever are disposed near the hatch lid, and a hatch lid tightening mechanism attached to the link mechanism is provided. and an engagement piece attached to the hatch lid to engage with the hook, and the first engaging means connects the pin to a long length formed on the hatch lid tightening drive hardware. A connecting structure configured by fitting into a hole or a connecting structure configured by engaging the pin with a recess formed in the hatch lid tightening drive hardware, and the second The engaging means has an engaging structure that engages the upper end of the lever with a recess formed in the hatch lid tightening drive hardware when the first engaging means is configured with the connecting structure. and when the first engaging means is configured with the connecting structure, the first engaging means is configured with a pin connecting structure in which the upper end of the lever is connected with a pin to a long hole formed in the hatch lid tightening drive hardware, In any of the above cases, the shaft of the hatch lid tightening drive hardware, the first
The engaging means and the second engaging means are arranged so as to form a triangle in side view.

[Effect]

In the above-mentioned folding type hatch lid tightening device of the present invention, as the hydraulic cylinder operates to close the hatch lid, the hatch lid tightening drive hardware moves and links with the lever to drive the lever. As a result, the link mechanism moves in conjunction with the engaging member, engages the hatch lid tightening hook with the engaging piece of the hatch, and tightens the hatch lid.

〔Example〕

Hereinafter, one embodiment of the present invention will be explained with reference to the drawings. Figures 1 to 5 show a folding type hatch lid tightening device as the first embodiment of the present invention, and Figure 1 shows the same device. FIG. 2 is a side view showing the hatch lid closed state, FIG. 3 is a side view showing the hatch lid opened state, and FIG. 4 is a side view showing the hatch lid closed state. 2 is an enlarged side view showing the portion shown in FIG. 2, and FIG. 5 is a sectional view taken along the line V-V in FIG. 4.

In the first embodiment of the present invention, as shown in FIGS. 1 to 3, a plurality of (two in this embodiment) panels 1, 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, a pin 11 is fitted into an oblong hole formed in the center of the arm 6 so as to be slidable in the vertical direction. The extendable and retractable end of a hydraulic cylinder 12 that opens and closes a hatch cover consisting of two parts is connected to an arm 6. This hydraulic cylinder 12
The proximal end of the eye plate 13 on the upper deck 3 is pivotally connected to the eye plate 13 by a pin 14.

On the other hand, a hanger 16 as a hardware for tightening the hatch lid is rotatably attached to the side surface of the arm 6 via a shaft 15, and a pin 11 is fitted into an oblong hole 16a formed in the hanger 16. The hanger 16 is connected to the telescopic tip of the hydraulic cylinder 12 via this pin 11.

Further, a recess 16b is formed in the hanger 16, and the recess 16b moves as the hydraulic cylinder 12 closes the hatch lid and engages with the upper end of the lever 17 as an engaging member. It's summery.

This lever 17 is attached to one end of a shaft 18 that is attached to the end side surface of the hatch edge member 4 by a bearing 19.

Further, the other end of the shaft 18 is connected to one end of a connecting rod 21 via a lever 20 and a pin 22.
This connecting rod 21 is located on the side of the hatch edge material 4.
It is disposed so as to be horizontally movable along the moving direction of the panels 1 and 2 by means of a bearing 23, and a link mechanism that interlocks with the lever 17 is constructed from the connecting rod 21, the lever 20, and the shaft 18.

As shown in FIGS. 1 to 3, a hatch lid tightening hook 24 is attached to the other end of the connecting rod 21 in the link mechanism. It is designed to engage with a hook 9 as an engagement piece attached to the side of the.

Since the folding type hatch lid tightening device as the first 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. When tightening the hatch roof in the closed state shown in Figure 1, first, the telescopic tip of the hydraulic cylinder 12 is slightly retracted, and the roller 10 rolls on the upper surface of the hatch rim 4 in the leftward closing direction. However, the panels 1 and 2 expand around the hinge 5 due to their own weight, and the extensible end of the hydraulic cylinder 12 is pushed in, causing the arm 6 to rotate counterclockwise around the main hinge 8.

Along with this operation of closing the hatch lid, the arm 6
Hanger 16 as a drive hardware for tightening the side hatch lid
moves, and the concave portion 16b engages with the tip of the lever 17 serving as the engaging member (state shown by the solid line in FIG. 4). 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 11 moves to the position shown by the chain line in FIG. 4 using the oblong hole 6a formed in the arm 6 as a guide. As the pin 11 moves, the hanger 16 rotates clockwise around the shaft 15, and the levers 17 and 20 rotate around the shaft 15.
It rotates counterclockwise around 8.

As a result, the connecting rod 21 moves horizontally to the right in FIG. 4, and as shown in FIG.
and the hook 24 engage with each other, and the tightening of the hatch cover consisting of the panels 1 and 2 is automatically completed.

On the other hand, when opening the hatch cover from the tightened state as shown in FIG. 2, the hanger 16 and the lever 17,20
The tightening of the hatch cover is automatically released when the connecting rod 21 changes from the state shown by the chain line in FIG. 4 to the state shown by the solid line.

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. .

Figures 6 to 10 show a folding type hatch lid tightening device as a second embodiment of the present invention.
FIG. 6 is a perspective view showing a hatch lid device equipped with the same device, FIG. 7 is a side view showing the hatch lid closed state of the same hatch lid device, and FIG. 8 is a side view showing the hatch lid opened state of the same hatch lid device. 9 is an enlarged side view showing the IX portion of FIG. 7, and FIG. 10 is a sectional view taken along the line X--X in FIG. 9.

As shown in FIGS. 6 to 10, the folding type hatch lid tightening device as the second embodiment of the present invention is also constructed almost the same as the first embodiment, but in this second embodiment, A pin 11' serving as a hardware for tightening the hatch lid is fitted into an oblong hole 6a formed in the center of the arm 6 so as to be slidable in the vertical direction.
The telescopic end of a hydraulic cylinder 12 that opens and closes the hatch cover consisting of the panels 1 and 2 is connected to the arm 6 via the same pin 11'.

Further, an eye plate 25 is attached to the upper surface of the hatch edge material 4 on the side of the arm 6, and a hook 26 as an engaging member is pivotally attached to the eye plate 25 by a pin 27. A pin 11' that moves as the hydraulic cylinder 12 closes the hatch lid is engaged with the formed recess 26a.

Further, the other end of the hook 26 is connected to one end of the lever 17 via a pin 28.

Since the folding type hatch lid tightening device as the second embodiment of the present invention is constructed as described above, as in the first embodiment, when the hydraulic cylinder 12 operates to close the hatch lid, the hatch lid tightening device is configured as described above. When the pin 11' as a driving hardware moves and engages with the recess 26a of the hook 26 as an engaging member, the levers 17, 20, shaft 18 and connecting rod 21 are interlocked, and the hatch lid is automatically tightened. It is carried out in a regular manner.

Therefore, also in this second embodiment, the first
The same effects as in the embodiment can be obtained.

[Effect of idea]

As described in detail above, 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 base end to drive the hatch lid to open and close it. In a hatch lid device including a hydraulic cylinder pivotally mounted on a ship's hull, an arm whose end is rotatably attached to the ship's hull is attached to the storage side end of the hatch lid, and the arm is equipped with a hydraulic cylinder. An elongated hole in the extending/contracting direction is formed, and the above-mentioned arm and the extending/retracting tip of the hydraulic cylinder are connected via a pin passing through the same elongated hole, while a hatch lid tightening drive hardware is provided on the side of the above-mentioned arm. The arm is rotatably mounted on a shaft attached to the side surface or a shaft attached to the hatch edge material, and the hatch lid tightening drive hardware and the hydraulic cylinder are brought into first engagement via the pin. A lever that is linked to the hatch lid tightening drive hardware by a second engagement means and a link mechanism that is linked to the lever are disposed near the hatch lid, and the link mechanism A hatch lid tightening hook attached to the hatch lid, and an engaging piece attached to the hatch lid to engage with the hook are provided, and the first engaging means causes the pin to tighten the hatch lid. Either a connecting structure constructed by fitting into an elongated hole formed in the attached driving hardware, or a connecting structure constructed by engaging the pin with a recess formed in the hatch lid tightening driving hardware. When the first engaging means is configured with the connecting structure, the second engaging means inserts the upper end of the lever into a recess formed in the hatch lid tightening drive hardware. It is configured with an engaging structure that engages the first
When the engaging means is configured with the above-mentioned connecting structure, it is configured with a pin-connecting structure in which the upper end of the lever is connected with a pin to the elongated hole formed in the hatch lid tightening drive hardware, and in any of the above cases, The above-mentioned hatch lid tightening drive hardware has a simple structure in which the shaft, the first engaging means, and the second engaging means are arranged to form a triangle in side view. Without installing a hydraulic cylinder, the hydraulic cylinder for driving the opening and closing of the hatch lid automatically releases or tightens the hatch lid in conjunction with the opening/closing operation of the hatch lid.
The equipment cost required for this device is significantly reduced compared to conventional devices, and the tightening operation is extremely easy, eliminating the need for labor.

[Brief explanation of the drawing]

Figures 1 to 5 show a folding type hatch lid tightening device as a first embodiment of the present invention. Figure 1 is a perspective view of a hatch lid tightening device equipped with the same device, and Figure 2 is a FIG. 3 is a side view showing the hatch lid closed state of the hatch lid device; FIG. 4 is a side view showing the hatch lid open state of the hatch lid device; FIG. 5 is a sectional view taken along the line V-V in FIG. FIG. 7 is a side view showing the hatch lid device in the hatch lid closed state; FIG. 8 is a side view showing the hatch lid device in the hatch lid open state; Figure 9 is IX of Figure 7.
Figure 10 is a side view showing an enlarged view of the
-X is a cross-sectional view, and FIG. 11 is a side view showing a conventional folding type hatch lid tightening device. 1, 2...Panel constituting the hatch lid, 3...Upper deck, 4...Hedge edge material, 5...Hinge, 6...Arm, 6a...Hole, 7...Seat, 8...Main Hinge, 9... Hook as an engaging piece, 10...
Roller, 11...pin, 11'...pin as a drive hardware for tightening the hatch lid, 12...hydraulic cylinder,
13...Eye plate, 14...Pin, 15...
Shaft, 16... Hanger as hardware for tightening the hatch lid, 16a... Hole, 16b... Recess, 17... Lever as engaging member, 18... Shaft, 19... Bearing, 20... Lever, 21...Connecting rod, 22...
Pin, 23...Bearing, 24...Hook for tightening the hatch lid, 25...Eye plate, 26...Hook as an engaging member, 26a...Recess, 27, 28...
pin.

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 whose base end is pivotally connected to the ship's hull to drive the hatch lid to open and close, the storage side end of the hatch lid is An arm whose end is rotatably attached to the hull is attached to the section, and an elongated hole is formed in the arm in the direction of expansion and contraction of the hydraulic cylinder, and the arm is connected via a pin passing through the elongated hole. and the telescopic tip of the hydraulic cylinder are connected, while on the side of the arm,
The hatch lid tightening drive hardware is rotatably attached to a shaft attached to the side of the arm or a shaft attached to the hatch edge material, and the hatch lid tightening drive hardware and the hydraulic cylinder are connected to the pin. A lever that is linked by a first engagement means via the lever and linked to the hatch lid tightening drive hardware by a second engagement means, and a link mechanism that is linked to the lever are disposed in the vicinity of the hatch lid. and a hatch lid tightening hook attached to the link mechanism, and an engagement piece attached to the hatch lid to engage with the hook, and the first engagement means: A connection structure constructed by fitting the pin into an elongated hole formed in the hatch lid tightening drive hardware, or by engaging the pin with a recess formed in the hatch lid tightening drive hardware. a recess formed in the hatch lid tightening drive hardware when the second engaging means constitutes the first engaging means with the connecting structure; When the first engaging means is configured with the connecting structure, the lever is inserted into the elongated hole formed in the hatch lid tightening drive hardware. It is configured with a pin connection structure in which the upper end portions are connected with a pin, and in any of the above cases, the shaft of the hatch lid tightening drive hardware, the first engagement means, and the second engagement means form a triangle in side view. It is characterized by being arranged as follows.
Folding type hatch lid tightening device.