Inspection hole device for underwater inspection of ship

Abstract

The inspection hole device for underwater inspection of the ship comprises a device body and a cover plate, the device body comprises a rudder blade outer plate, a hole base and an annular gland, the center of the rudder blade outer plate is fixedly connected with the hole base, the annular gland is arranged at the top of the hole base, and fixing sleeves are arranged on the two sides of the outer surface of the annular gland. The device body is sealed through the cover plate, when the device body needs to be used for inspection operation, observation can be carried out between the first transparent tempered plates on the cover plate, the first transparent tempered plates on the cover plate can be used for inspection operation, and therefore the inspection operation can be carried out conveniently and rapidly. And observation can also be carried out by taking down the cover plate, after the cover plate is taken down, sealing is carried out through the sealing gasket at the joint of the device main body hole base and the annular gland, and the situation that seawater enters the rudder blade to cause corrosion, and potential safety hazards are brought to a ship is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, in particular to an inspection hole device used for underwater inspection of ships. Background Art

[0002] A ship is a man-made means of transportation that mainly operates in geographical waters. In addition, civilian ships are generally called ships, military ships are called warships, and small ships are called boats or boats. They are collectively called ships or boats. The interior mainly includes accommodating space, supporting structures and drainage structures, and has a propulsion system that utilizes external or self-provided energy. At present, classification society specifications attach great importance to underwater inspections of ships and have put forward specific requirements, especially for inland ships and ships with a length of less than 100 meters. Observation holes need to be set on the rudder blades of ships with underwater inspection requirements. In existing designs, the observation hole is usually designed as a drain plug. When observation is required, the plug is opened to inspect the part that needs to be inspected.

[0003] However, in the prior art, when conducting underwater inspection on a ship, opening the drain screw at the observation hole easily causes seawater to enter the inside of the rudder blade and cause corrosion, which brings potential safety hazards to the ship and has certain limitations. Utility Model Content

[0004] The purpose of the utility model is to provide an inspection hole device for underwater inspection of ships, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An inspection hole device for underwater inspection of a ship comprises a device body and a cover plate, wherein the device body comprises a rudder blade outer plate, a hole base and an annular pressure cover, wherein a circular hole is provided at the top and bottom centers of the rudder blade outer plate, a hole base is provided at the circular hole, a first extension plate and a second extension plate are provided at the top and bottom of the circular hole respectively, the inner surfaces of the first extension plate and the second extension plate are connected to the outer surface of the hole base, and the first extension plate, the rudder blade outer plate and the second extension plate are connected by fixing bolts;

[0007] An annular gland is provided on the top of the hole base, and the hole base and the annular gland are connected at the connection point through a sealing gasket. An inspection hole is opened in the center of the annular gland, the hole base and the sealing gasket, and a second transparent tempered plate and a third transparent tempered plate are respectively provided on the top and bottom of the inspection hole;

[0008] Fixed sleeves are arranged on both sides of the top of the surface of the annular pressure cover, and fixed blocks are arranged inside the fixed sleeves. The internal volume of the fixed sleeves matches the volume of the fixed blocks. A cover plate is arranged on the top of the annular pressure cover, and fixed blocks are arranged at both ends of the outer surface of the cover plate.

[0009] Preferably, circular holes are opened at the center of the top and bottom of the cover plate, and a first transparent tempered plate is arranged at the circular holes.

[0010] Preferably, a first through hole is provided at the center of the front and back sides of the fixing block, a second through hole is provided at the center of the front side of the fixing sleeve, and a third through hole is provided on the front side of the fixing sleeve and on both sides of the second through hole.

[0011] Preferably, the first through hole is connected to the second through hole via an insertion column, an insertion plate is provided at one end of the insertion column, and the back side of the insertion plate contacts the front side of the fixing sleeve.

[0012] Preferably, fixing columns are provided at both ends of the back side of the insert plate, and the fixing columns are snap-fittedly connected to the third through holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses an inspection hole device for underwater inspection of ships, comprising a device body and a cover plate, wherein the device body is sealed by the cover plate, and when the device body needs to be used for inspection, observation can be made between a first transparent tempered plate on the cover plate, or by removing the cover plate. After the cover plate is removed, sealing is performed by a sealing gasket at the connection between the base of the device body hole and the annular pressure cover to prevent seawater from entering the interior of the rudder blade to cause corrosion and bring potential safety hazards to the ship. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is an exploded view of the cover plate and the device body of the utility model;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0019] Figure 5 It is an overall transverse sectional view of the utility model.

[0020] In the figure: 1, rudder blade outer plate; 2, hole base; 3, first extension plate; 4, fixing bolt; 5, annular pressure cover; 6, fixing sleeve; 7, cover plate; 8, first transparent tempered plate; 9, fixing block; 10, second extension plate; 11, first through hole; 12, second through hole; 13, third through hole; 14, insertion column; 15, insertion plate; 16, fixing column; 17, sealing gasket; 18, second transparent tempered plate; 19, third transparent tempered plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-5 , the utility model provides a technical solution:

[0025] An inspection hole device for underwater inspection of a ship comprises a device body and a cover plate 7. The device body comprises a rudder blade outer plate 1, a hole base 2, and an annular pressure cover 5. A circular hole is opened at the top and bottom center of the rudder blade outer plate 1, and a hole base 2 is arranged at the circular hole. A first extension plate 3 and a second extension plate 10 are respectively arranged at the top and bottom of the circular hole. The inner surfaces of the first extension plate 3 and the second extension plate 10 are connected to the outer surface of the hole base 2. The first extension plate 3, the rudder blade outer plate 1, and the second extension plate 10 are connected by fixing bolts 4.

[0026] An annular gland 5 is provided on the top of the hole base 2, and the hole base 2 and the annular gland 5 are connected at the connection point through a sealing gasket 17. An inspection hole is opened in the center of the annular gland 5, the hole base 2, and the sealing gasket 17, and a second transparent tempered plate 18 and a third transparent tempered plate 19 are respectively provided on the top and bottom of the inspection hole;

[0027] Fixed sleeves 6 are arranged on both sides of the top of the surface of the annular pressure cover 5, and fixed blocks 9 are arranged inside the fixed sleeve 6. The internal volume of the fixed sleeve 6 matches the volume of the fixed block 9. A cover plate 7 is arranged on the top of the annular pressure cover 5, and fixed blocks 9 are arranged at both ends of the outer surface of the cover plate 7.

[0028] Furthermore, circular holes are opened at the top and bottom centers of the cover plate 7, and first transparent tempered plates 8 are arranged at the circular holes.

[0029] Furthermore, a first through hole 11 is provided at the center of the front and back sides of the fixing block 9 , a second through hole 12 is provided at the center of the front side of the fixing sleeve 6 , and a third through hole 13 is provided at the front side of the fixing sleeve 6 and on both sides of the second through hole 12 .

[0030] Furthermore, the first through hole 11 and the second through hole 12 are connected via an insertion column 14 , an insertion plate 15 is provided at one end of the insertion column 14 , and the back side of the insertion plate 15 contacts the front side of the fixing sleeve 6 .

[0031] Furthermore, fixing posts 16 are provided at both ends of the back side of the insert plate 15 , and the fixing posts 16 are snap-fittedly connected to the third through holes 13 .

[0032] Specifically, when the fixing block 9 of the cover plate 7 is inserted into the fixing sleeve 6, the fixation here is not stable enough, so an insertion column 14 is inserted into the fixing block 9 and the fixing sleeve 6, wherein an insertion plate 15 is provided at one end of the insertion column 14, and fixing columns 16 are provided on both sides of the back side of the insertion plate 15, and the fixing columns 16 are snap-connected to the third through hole 13, wherein the difference between the second through hole 12 and the third through hole 13 is that the second through hole 12 is through-opened, while the third through hole 13 is not through-opened, so that the insertion plate 15 can be fixed to the fixing sleeve 6, thereby realizing the re-fixation of the cover plate 7 and the device body.

[0033] Working principle: The utility model is an inspection hole device for underwater inspection of ships, including a device body and a cover plate 7. The utility model seals the device body through the cover plate 7. When the device body needs to be used for inspection operations, it can be observed by the first transparent tempered plate 8 on the cover plate 7, or by removing the cover plate 7. After the cover plate 7 is removed, it will be sealed by the sealing gasket 17 at the connection between the device body hole base 2 and the annular pressure cover 5 to prevent seawater from entering the rudder blade to cause corrosion and bring safety hazards to the ship.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inspection hole device for underwater inspection of a ship, comprising a device body and a cover plate (7), characterized in that: The device body comprises a rudder blade outer plate (1), a hole base (2), and an annular pressure cover (5); a circular hole is opened at the top and bottom center of the rudder blade outer plate (1); a hole base (2) is arranged at the circular hole; a first extension plate (3) and a second extension plate (10) are respectively arranged at the top and bottom of the circular hole; the inner surfaces of the first extension plate (3) and the second extension plate (10) are connected to the outer surface of the hole base (2); the first extension plate (3), the rudder blade outer plate (1), and the second extension plate (10) are connected by fixing bolts (4); An annular pressure cover (5) is arranged on the top of the hole base (2); the hole base (2) and the annular pressure cover (5) are connected at the connection point via a sealing gasket (17); an inspection hole is provided at the center of the annular pressure cover (5), the hole base (2) and the sealing gasket (17); a second transparent tempered plate (18) and a third transparent tempered plate (19) are respectively arranged on the top and bottom of the inspection hole; Fixed sleeves (6) are arranged on both sides of the top of the surface of the annular gland (5), and a fixed block (9) is arranged inside the fixed sleeve (6). The internal volume of the fixed sleeve (6) matches the volume of the fixed block (9). A cover plate (7) is arranged on the top of the annular gland (5), and fixed blocks (9) are arranged at both ends of the outer surface of the cover plate (7).

2. The inspection hole device for underwater inspection of a ship according to claim 1, characterized in that: Circular holes are provided at the top and bottom centres of the cover plate (7), and first transparent tempered plates (8) are provided at the circular holes.

3. The inspection hole device for underwater inspection of a ship according to claim 1, characterized in that: The fixing block (9) has first through holes (11) at the center of the front and back sides thereof, the fixing sleeve (6) has a second through hole (12) at the center of the front side thereof, and third through holes (13) are provided on the front side of the fixing sleeve (6) and on both sides of the second through hole (12).

4. The inspection hole device for underwater inspection of a ship according to claim 3, characterized in that: The first through hole (11) and the second through hole (12) are connected via an insertion column (14); an insertion plate (15) is provided at one end of the insertion column (14); the back surface of the insertion plate (15) contacts the front surface of the fixing sleeve (6).

5. The inspection hole device for underwater inspection of a ship according to claim 4, characterized in that: Fixed columns (16) are provided at both ends of the back side of the insertion plate (15), and the fixed columns (16) are snap-fittedly connected to the third through holes (13).

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