CN102020000A - Ship hatch cover - Google Patents

Abstract

The invention relates to a ship hatch cover. The hatch cover comprises a coaming and a cover board, wherein the cover board is articulated with the coaming, a sealing ring is arranged between the periphery of the cover board and one side at the outer end of the coaming, the cover board is provided with a central hole, and a shaft sleeve and a rotation shaft, which are in running fit with each other, are arranged in the central hole. Two ends of the rotation shaft are both provided with baffle plates and handles, a short shaft is arranged on the inner side of the cover board, a connecting rod and a fastener are arranged between the short shaft and the baffle plate at the inner end of the rotation shaft, one end of the fastener is provided with a longitudinal through slot, one end of the connecting rod is fixedly connected to the baffle plate at the inner end of the rotation shaft, and the other end of the connecting rod is connected with a small shaft. One end of the small shaft is fixedly connected with the connecting rod, and the other end of the small shaft stretches into the longitudinal through slot, the coaming is provided with a chute, and the other end of the fastener stretches into the chute in a sliding way. The hatch cover is characterized in that the coaming and the cover board are both composed of an inner layer, an outer layer and ceramic wool. The ship hatch cover has the advantage of sealing performance, as well as fire protection, heat insulation, and shielding properties, and is suitable for the hatch of the ship.

Description

Ship hatch cover

technical field

The invention relates to a hatch cover for a ship. Specifically, it is a hatch cover on a ship with sealing, fire prevention, heat insulation and shielding properties. the

Background technique

At present, the hatch cover used on ships includes a coaming and a cover plate. One side of the cover plate is hinged with the outer end of the coaming plate by means of a hinge. There is a lower pin seat on the outer side of the coaming plate, and there are pin holes on the upper pin seat and the lower pin seat. There is a sealing ring between one side of the cover plate and the outer end side of the coaming plate. One side is fixedly connected together by means of the pin hole and the pin shaft. There is a central hole on the cover plate, a shaft sleeve is fixed in the central hole, and a rotating shaft is arranged in the peripheral sleeve, and the rotating shaft and the peripheral sleeve are in a movable fit. There are baffles at both ends of the rotating shaft, and handles are provided on the outer surfaces of the two baffles. There are minor axes around the inner surface of the cover plate. The axial direction of the minor axis is perpendicular to the inner surface of the cover plate, and one end thereof is fixed on the inner surface of the cover plate, and a connecting rod and a buckle are arranged between the minor axis and the baffle plate at the inner end of the rotating shaft. The buckle is a slat with a shaft hole in the middle, and the short shaft extends into the shaft hole in a movable state. There is a through groove at one end of the tie mouth, and one end of the connecting rod is fixedly connected with the baffle plate at the inner end of the rotating shaft, and the connecting rod has a small shaft. The pin shaft is perpendicular to the axial direction of the connecting rod, one end of which is fixedly connected with the connecting rod, and the other end is movable and extends into the through groove. Fasten the other end(?). Because this hatch cover is only provided with sealing ring between cover plate one side and coaming plate outer end one side, makes this hatch cover only have sealing performance. Due to only the sealing performance, once a fire breaks out outside the cabin, the sealing ring is easily burned, so that the flame enters the cabin, causing harm to the equipment and personnel in the cabin. Because there is only sealing performance and no heat insulation performance, even if the sealing ring is not burned, the heat generated by the fire will enter the cabin through heat conduction, causing harm to the equipment and personnel in the cabin. Since this kind of hatch cover is only provided with a sealing ring between one side of the cover plate and the outer side of the coaming plate, there is no shielding performance, and the electromagnetic field outside the cabin will affect the electronic equipment in the cabin, making the electronic equipment in the cabin abnormal. Work. the

Contents of the invention

The problem to be solved by the present invention is to provide a hatch cover for a ship. This ship hatch cover not only has sealing performance, but also has fire prevention, heat insulation and shielding performance. Not only can it avoid harm to the equipment and personnel in the cabin, but it can also avoid the interference of the electromagnetic field outside the cabin on the electronic equipment in the cabin, so as to ensure that the electronic equipment in the cabin can work normally. the

In order to solve the above problems, the following technical solutions are adopted:

The ship hatch cover of the present invention comprises a coaming plate and a cover plate, the periphery of the cover plate and one side of the outer end of the coaming plate are hinged together by means of a hinge, the other side of the cover plate has an upper pin seat on the outer side, and the corresponding wall of the upper pin seat There is a lower pin seat on the outside of the plate, and there are pin holes on the upper pin seat and the lower pin seat. There is a sealing ring between one side of the cover plate and the outer end of the coaming plate. In the closed state, one side of the cover plate is connected to the outer end of the coaming plate. The sides are fixedly connected together by means of the pin hole and the pin shaft; there is a central hole on the cover plate, a shaft sleeve is fixed in the central hole, and a rotating shaft is arranged in the shaft sleeve, and the rotating shaft and the shaft sleeve are in a movable fit. There are baffles at both ends of the rotating shaft, and handles are provided on the outer surfaces of the two baffles. There are minor axes around the inner surface of the cover plate. The axial direction of described minor axis is perpendicular to cover plate inner surface, and one end thereof is fixed on the cover plate inner surface, and connecting rod and buckle are arranged between minor axis and the baffle plate of rotating shaft inner end. The buckle is a slat with a shaft hole in the middle, and the short shaft extends into the shaft hole in a movable state. There is a longitudinal through groove at one end of the tie-up, one end of the connecting rod is fixedly connected with the baffle plate at the inner end of the rotating shaft, and the other end of the connecting rod has a small shaft. The small shaft is perpendicular to the axial direction of the connecting rod, one end of which is fixedly connected with the connecting rod, and the other end is movable and extends into the longitudinal through groove. A chute is processed on the hoarding corresponding to the buckle, and an angle is formed between the chute and the plane surrounded by two ends of the hoarding, and the other end of the buckle slides into the chute. It is characterized in that both the coaming board and the cover board contain an inner layer and an outer layer, and there is ceramic wool between the inner layer and the outer layer. There is a ring plate for blocking the ceramic wool between the inner layer and the edge of the outer layer of the coaming plate, and a short tube for blocking the ceramic wool is arranged between the inner layer and the edge of the outer layer of the cover plate. the

Wherein, there is an annular reed on the outer surface of the short tube at the edge of the cover plate. The cross-section of the annular reed is arc-shaped, and its two sides are fixedly connected with the outer surface of the short tube, and its outer diameter is larger than the inner diameter of the inner outer end of the shroud. the

The diameter of the inner layer of the cover plate is smaller than that of the outer layer, so that the periphery of the outer layer protrudes from the periphery of the inner layer and forms a single-layer board. The length of the outer end of the inner layer of the shroud is shorter than the length of the outer end of the outer layer so that the outer end of the outer layer protrudes beyond the outer end of the inner layer and forms a single layer panel. There is a sealing groove on the inner surface of the single-layer board around the outer layer of the cover plate, and the sealing ring is embedded in the sealing groove. The outer edge of the single-layer board at the outer end of the outer layer of the shroud is against the sealing ring. the

There is a shielding groove inside the outer end single-layer board of the outer layer of the enclosure, and there are annular reeds on both sides of the groove walls in the shielding groove. The notch of the shielding groove is opposite to the inner surface of the single-layer board around the outer layer of the cover plate. There is an annular insert knife on the inner side of the single-layer plate around the outer layer of the cover plate, and the annular insert knife is inserted between the two annular reeds in the shielding groove and is in close contact with the two annular reeds. The annular reed on the outer surface of the short tube is against the inner surface of the inner wall of the shielding groove. the

Adopting the above scheme has the following advantages:

It can be seen from the above scheme that since the enclosure and the cover both contain an inner layer and an outer layer, there is a fireproof board between the inner layer and the outer layer. A ring plate for blocking the fireproof board is arranged between the inner layer and the edge of the outer layer of the coaming board, and a short tube for blocking the fireproof board is arranged between the inner layer and the outer edge of the cover plate. Even if a fire breaks out outside the cabin, the flame cannot enter the cabin, thereby avoiding the harm to the equipment and personnel in the cabin. Since there are fireproof boards between the inner and outer layers of the coaming and cover plates, when a fire occurs outside the cabin, the heat generated by the fire will not enter the cabin through heat conduction, thereby further avoiding damage to equipment and personnel in the cabin. harm. the

Because there is annular reed on the short tube outer surface of cover plate edge again. There is a shielding groove inside the outer end single-layer board of the outer layer of the shroud, and annular reeds are arranged on both sides of the groove walls in the shielding groove. There is an annular insert knife on the inner side of the single-layer plate around the outer layer of the cover plate, and the annular insert knife is inserted between the two annular reeds in the shielding groove and is in close contact with the two annular reeds. The annular reed on the outer surface of the short tube is against the inner surface of the inner wall of the shielding groove. In this way, the cabin of the ship is completely shielded. Even if a strong electromagnetic field occurs outside the cabin, it will not affect the electronic equipment in the cabin, so that the electronic equipment in the cabin can work normally. the

Description of drawings

Fig. 1 is the structural representation of hatch cover of ship of the present invention;

FIG. 2 is a schematic top view of the buckle in FIG. 1 . the

Fig. 3 is a schematic diagram of the shape and position of the chute on the hoarding. the

Detailed ways

As shown in Figures 1 and 2, the ship hatch cover of the present invention comprises a coaming and a cover plate, one side of the cover plate and one side of the outer end of the coaming are hinged together by means of a hinge 3, and the outer side wall of the other side of the cover plate is hinged together. An upper pin seat 17 is welded, and a lower pin seat 18 is welded on the outer wall of the coaming corresponding to the upper pin seat 17, and pin holes are all processed on the upper pin seat 17 and the lower pin seat 18, and the lower cover in the closed state One side of the board and one side of the outer end of the coaming board are fixedly connected together by means of the pin hole and the pin shaft. A stop frame 27 is arranged between the coaming plate and the inner side of the cover plate, so as to support the cover plate when the cover plate is opened, and temporarily locate the opening angle of the cover plate. In the state of use, the periphery of the end of the coaming that is not adjacent to the cover plate is welded together with the deck 19 around the hatch of the ship. the

A center hole is processed on the cover plate, and an axle sleeve 13 is welded in the center hole, and a rotating shaft 12 is installed in the axle sleeve 13, and the rotating shaft 12 and the axle sleeve 13 are movably matched by two bearings 10 . Both ends of the rotating shaft 12 are provided with baffles 11, and a central hole is processed on the baffle 11, and the two baffles 11 are respectively fixed on the two ends of the rotating shaft 12 through nuts 21 and the central holes. Handles 26 are welded on the outer surfaces of the two baffle plates 11 . A short axis 22 is arranged around the inner surface of the cover plate; the axial direction of the short axis 22 is perpendicular to the inner surface of the cover plate, and one end thereof is fixed on the inner surface of the cover plate. A connecting rod 25 and a buckle 23 are provided. The buckle 23 is a lath, which is bent to form an included angle 29 of 135 degrees. There is a shaft hole in the middle of the bend, and the lower end of the short shaft 22 is movable and inserted into the shaft hole. The buckle 23 and the lower end of the short shaft 22 are positioned axially. One end of tie mouth 23 is processed with longitudinal through groove 24, one end of connecting rod 25 is welded together with baffle plate 11 at the inner end of rotating shaft 12, the other end of connecting rod 25 is provided with small shaft 15, and the upper end of said small shaft 15 is fixed on the connecting rod On 25, the lower end is movable and stretches in the longitudinal through groove 24 of buckle 23 one ends and carries out axial positioning with nut. The coaming plate corresponding to the buckle 23 is processed with a chute 28 , an angle is formed between the chute and the plane surrounded by the two ends of the coaming plate, and the other end of the buckle 23 slides into the chute 28 . The enclosure includes an inner layer 1 and an outer layer 2, and ceramic wool 14 is installed between the inner layer 1 and the outer layer 2. The cover plate includes an inner layer 8 and an outer layer 9, and ceramic wool 14 is installed between the inner layer 8 and the outer layer 9. A ring plate 20 for blocking the ceramic wool 14 is welded between the edges of the inner layer 1 and the outer layer 2 of the coaming, and a short tube 7 for blocking the ceramic wool 14 is welded between the edges of the inner layer 8 and the outer layer 9 of the cover plate. The inboard of short tube 7 is equipped with fire prevention board. the

Wherein, an annular reed 16 is provided on the outer surface of the short tube 7 at the edge of the cover plate. The cross-section of the annular reed 16 is arc-shaped, and its two sides are welded together with the outer surface of the short tube 7 , so that the concave surface of the annular reed 16 faces the outer surface of the short tube 7 . the

The diameter of the inner layer 8 of the cover plate is smaller than that of the outer layer 9, so that the periphery of the outer layer 9 protrudes from the periphery of the inner layer 1 and forms a single-layer plate. A fire prevention board is installed on the inner side 8 of the cover plate and the inner side of the outer layer 9 . the

The length of the outer end of the inner layer 1 of the coaming is shorter than the length of the outer end of the outer layer 2, so that the outer end of the outer layer 2 protrudes beyond the outer end of the inner layer 1 and forms a single-layer board; the outer layer 8 of the cover plate A sealing groove is welded on the inner side of the surrounding single-layer board, and a sealing ring 4 is embedded in the sealing groove. The outer edge of the outer single-layer plate of the outer layer of the shroud 2 is against the sealing ring 4 . the

A shielding slot 5 is welded on the inner side of the single-layer board at the outer end of the enclosure, and annular reeds 16 are welded on both inner walls of the shielding slot 5 . The notch of the shielding groove 5 is opposite to the inner surface of the single-layer plate around the outer layer 9 of the cover plate. The outer layer 9 of the cover plate is provided with an annular insert 6 on the inner side of the single-layer plate. The annular insert is inserted between the two annular reeds 16 in the shielding groove 5 and is in close contact with the two annular reeds 16 . The annular reed 16 on the outer surface of the short tube 7 abuts against the inner surface of the inner wall of the shielding slot 5 . the

Claims (7)

1. naval vessel hatch cover, comprise coaming plate and cover plate, hinged between cover plate periphery and coaming plate outer end one side by hinge (3), there is last key seat (17) in the cover plate another side outside, with the corresponding coaming plate of last key seat (17) outside following key seat (18) is arranged, described going up on key seat (17) and the following key seat (18) all has pin-and-hole, and cover plate has seal ring (4) on one side and between one side of coaming plate outer end, and lower cover is fixed together by this pin-and-hole and bearing pin on one side and between one side of coaming plate outer end in off position; Centre hole is arranged on the cover plate, and the centre hole internal fixation has axle sleeve (13), and rotating shaft (12) is arranged in the axle sleeve (13), is movable between rotating shaft (12) and axle sleeve (13) and cooperates; All there is baffle plate (11) at rotating shaft (12) two ends, on two baffle plates (11) lateral surface handle (26) are arranged all; Minor axis (22) is all arranged around the cover plate medial surface; Described minor axis (22) axially vertical with the cover plate medial surface, the one end is fixed on the cover plate medial surface, has connecting rod (25) and bundle to buckle (23) between the baffle plate (11) of minor axis (22) and rotating shaft (12) inner end; Described bundle button (23) is a lath, has axis hole, minor axis (22) to be moving type in the middle of it and stretches in this axis hole; Tying (23) one ends have vertical groove (24), and connecting rod (25) one ends are connected mutually with the baffle plate (11) of rotating shaft (12) inner end, and connecting rod (25) other end has little axle (15); Described little axle (15) is axial vertical with connecting rod (25), and one end and connecting rod (25) are connected, and the other end is moving type and stretches in described vertical groove (24); Be processed with skewed slot (28) with pricking on button (23) corresponding coaming plate, the interplanar that this skewed slot and coaming plate two ends are surrounded is formed with angle, pricks to detain (23) other end and be the slip shape and stretch in the skewed slot (28); It is characterized in that described coaming plate and cover plate all contain internal layer and skin, internal layer all has ceramic wool (14) with outer interlayer; Be useful on the ring flat-plate (20) that blocks ceramic wool (14) between the internal layer of coaming plate (1) and outer (2) edge, two ends, be useful on the short tube (7) that blocks ceramic wool (14) between the internal layer of cover plate (8) and outer (9) edge.

2. naval vessel according to claim 1 hatch cover is characterized in that lacking on tube (7) lateral surface of cover plate edge has annular reed (16); The transversal surface of described annular reed (16) is an arc, and its both sides and described short tube (7) lateral surface are connected, and its outside diameter is greater than circular diameter in internal layer (1) outer end of coaming plate.

3. naval vessel according to claim 2 hatch cover, internal layer (8) diameter that it is characterized in that cover plate be less than outer (9) diameter, so that make skin (9) protrude all around around internal layer (8) and form single-skin panel; The internal layer of coaming plate (1) outer end is shorter in length than the outer end length of skin (2), so that make the outer end of skin (2) protrude outside the outer end of internal layer (1) and form single-skin panel; The skin of cover plate (9) has seal groove on the single-skin panel medial surface all around, and described seal ring (4) embeds in the sealing groove; The single-skin panel outside, outer end of coaming plate skin (2) offsets with described seal ring (4).

4. naval vessel according to claim 3 hatch cover is characterized in that there is shielding trench (5) the single-skin panel inboard, outer end of the skin (2) of coaming plate, on the both sides cell wall in the shielding trench (5) annular reed (16) is arranged all; The single-skin panel medial surface is relative all around for the skin (9) of the notch of described shielding trench (5) and cover plate; The skin of cover plate (9) has annular slotting tool (6) on the single-skin panel medial surface all around, this annular slotting tool insert between the two annular reeds (16) in shielding trench (5) and and two annular reeds (16) between be closed contact; Annular reed (16) on described short tube (7) lateral surface offsets with the medial surface of shielding trench (5) inwall.

5. according to each described naval vessel hatch cover in the claim 1～4, it is characterized in that all there is fire-proof plate inboard and outer (9) inboard of internal layer (8) of cover plate.

6. according to each described naval vessel hatch cover in the claim 1～4, it is characterized in that there is fire-proof plate the inboard of short tube (7).

7. naval vessel according to claim 5 hatch cover is characterized in that there is fire-proof plate the inboard of short tube (7).

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