A hatchway sealing arrangement for a ship

Abstract

The present application relates to the technical fields of shipbuilding, and discloses a kind of marine manhole sealing device, including pressing plate, grip column, sealing element, pressure piece and lock position ring buckle, pressing plate and pressure piece are respectively arranged in the cabin plate both sides at manhole, the edge of pressing plate is outwardly protruding from the edge of manhole, at least two ends of pressure piece protrude from the edge of manhole, sealing element is arranged between pressing plate and manhole, grip column is connected with pressing plate and protrudes from the side of pressure piece away from manhole, pressure piece is equipped with clamping groove for cooperating with grip column, the outer peripheral wall of grip column is provided with first sliding groove extending along the axial direction of grip column and second sliding groove extending along the circumferential direction of grip column, second sliding groove is connected with the end of first sliding groove towards pressure piece, lock position ring buckle includes ring body sleeved on grip column and limiting protrusion connected to the inner side of ring body, limiting protrusion can slide along first sliding groove and second sliding groove, when limiting protrusion is in second sliding groove, ring body abuts against pressure piece, and pressure piece presses cabin plate. The present device can be installed by one person, and can improve installation efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shipbuilding, in particular to a manhole sealing device for ship. BACKGROUND

[0002] The manhole of the ship body is an indispensable part in the process of shipbuilding, which mainly facilitates the workers to enter and exit the cabin, thereby completing the work such as painting and equipment installation. In order to ensure the isolation of the internal environment of the cabin from the outside world and prevent the infiltration of water, gas and other harmful substances, the cabin needs to be sealed before the air tightness test in the process of shipbuilding. In the shipbuilding production site, due to the fact that the manhole cover has not arrived or the production drawing has not been issued, a backup sealing device is often used to complete the air tightness test of the cabin.

[0003] The existing sealing device needs two people to cooperate to complete the installation. One worker lifts the handle on the pressing plate, turns the pressing plate sideways and inserts it into the manhole, so that the sealing strip is tightly attached to the cabin plate side wall around the manhole. The pressing plate is provided with a connecting bolt, and the other worker holds the pressing piece and places it on the other side of the cabin plate away from the pressing plate and aligns it through the connecting bolt, and then uses the nut to tighten the connecting bolt, so that the pressing plate and the pressing piece clamp and seal the cabin plate from both sides of the cabin plate. The existing sealing device is inconvenient to install by two people, one person will block the installation action of the other person, and the workers need to constantly adjust their positions to work, which is low in efficiency. SUMMARY

[0004] The technical problem to be solved by the present application is that the existing sealing device for the manhole of the ship body needs two people to operate and is low in installation efficiency.

[0005] In order to solve the above technical problems, the present application provides a manhole sealing device for ship, which comprises a pressing plate, a handle column, a sealing piece, a pressing piece and a locking ring buckle. The pressing plate and the pressing piece are respectively arranged on both sides of the cabin plate at the manhole. The edge of the pressing plate protrudes outward from the edge of the manhole. At least two ends of the pressing piece protrude from the edge of the manhole. The sealing piece is arranged between the pressing plate and the manhole. The handle column is connected to the pressing plate and protrudes from one side of the pressing piece away from the manhole. The pressing piece is provided with a clamping groove for cooperating with the handle column. The outer peripheral wall of the handle column is provided with a first sliding groove extending along the axial direction of the handle column and a second sliding groove extending along the circumferential direction of the handle column. The second sliding groove is connected to one end of the first sliding groove facing the pressing piece. The locking ring buckle comprises a ring body sleeved on the handle column and a limiting protrusion connected to the inner side of the ring body. The limiting protrusion can slide along the first sliding groove and the second sliding groove. When the limiting protrusion is in the second sliding groove, the ring body presses against the pressing piece, and the pressing piece presses against the cabin plate.

[0006] Preferably, the marine manhole sealing device further comprises a connecting assembly, the connecting assembly comprises a connecting bolt, a locking nut, the pressing piece is provided with a through hole, one end of the connecting bolt is connected to the pressing plate, the other end of the connecting bolt passes through the through hole, and the locking nut is sleeved on the connecting bolt and located on the side of the pressing piece away from the pressing plate.

[0007] Preferably, the connecting assembly further comprises a gasket, the gasket is sleeved on the connecting bolt, and the gasket is located between the locking nut and the pressing piece.

[0008] Preferably, the pressing piece comprises a connecting portion and two pressing portions, the through hole is arranged in the pressing portion, the two pressing portions are arranged at intervals, at least two ends of each pressing portion abut against the hatch plate, the connecting portion connects the two pressing portions, and the clamping groove is arranged in the connecting portion.

[0009] Preferably, the pressing piece further comprises a handle portion, two ends of the handle portion are connected to each of the pressing portions respectively, and a hand passing groove is formed in the middle of the handle portion in a direction away from the pressing plate.

[0010] Preferably, the marine manhole sealing device further comprises a lifting ring, and the lifting ring is connected to one end of the handle column away from the pressing plate.

[0011] Preferably, the sealing piece is a sealing ring, and the sealing ring is connected to the edge of the pressing plate or the edge of the manhole.

[0012] Preferably, the marine manhole sealing device further comprises a pressure measuring pipe, the pressure measuring pipe is connected to the pressing plate, and the pressure measuring pipe is in communication with both sides of the pressing plate.

[0013] Preferably, the pressure measuring pipe comprises a first pipe segment and a second pipe segment connected to each other, the first pipe segment is connected to the pressing plate and extends in a direction perpendicular to the pressing plate, and the second pipe segment is located at one end of the first pipe segment away from the pressing plate and is arranged at an angle with the first pipe segment.

[0014] Preferably, the outer peripheral wall of the handle column is further provided with a third sliding groove extending in the circumferential direction of the handle column, one end of the third sliding groove is connected to the first sliding groove away from the pressing piece, and the limiting protrusion can slide along the third sliding groove.

[0015] The marine manhole sealing device provided by the embodiment of the present application has the following beneficial effects compared with the prior art:

[0016] The locking ring buckle is arranged on the handle sleeve connected with the pressing plate, the pressing part is provided with a clamping groove matched with the handle, the handle is provided with a first sliding groove extending along the axial direction of the handle and a second sliding groove extending along the circumferential direction of the handle and connected with one end of the first sliding groove and facing the pressing part, the limiting protrusion of the locking ring buckle can slide along the first sliding groove and the second sliding groove, and when the limiting protrusion is in the second sliding groove, the ring body of the locking ring buckle abuts against the pressing part, and the pressing part abuts against the deck plate, so that the construction personnel can first lift the pressing plate through the handle, turn to the side and insert into the manhole, then hold the pressing part with the other hand to make the clamping groove matched with the handle, then slide the locking ring buckle along the first sliding groove to make the locking ring buckle close to the pressing part, until the locking ring buckle enters the second sliding groove, and then rotate the locking ring buckle to make the limiting protrusion staggered with the first sliding groove, and the pressing part and the pressing plate are clamped and sealed from both sides of the deck plate to complete the manhole sealing. The manhole sealing device of the ship only needs one person to complete the installation operation, does not need two persons to cooperate, avoids the action blocking problem, and greatly improves the installation efficiency of the manhole sealing device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of a manhole sealing device of a ship according to an embodiment of the present application;

[0018] Figure 2 is a front view of a manhole sealing device of a ship according to an embodiment of the present application;

[0019] In the figure, 1 is a pressing plate; 2 is a handle; 21 is a first sliding groove; 22 is a third sliding groove; 3 is a sealing part; 4 is a pressing part; 41 is a connecting part; 411 is a clamping groove; 42 is a pressing part; 43 is a handle part; 431 is a through-hand groove; 5 is a locking ring buckle; 51 is a ring body; 52 is a push handle; 6 is a connecting assembly; 61 is a connecting bolt; 62 is a locking nut; 63 is a gasket; 7 is a lifting ring; 8 is a pressure measuring pipe; 81 is a first pipe section; 82 is a second pipe section; 90 is a manhole; 91 is a deck plate. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below in combination with the drawings. In the following description, a large number of specific details are set forth in order to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0021] In the description of the present application, it should be understood that the terms "inner", "outer", "axial", "circumferential" and the like indicate the positional or relative relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0023] As Figure 1 With Figure 2 As shown in the preferred embodiment of the present application, a manhole sealing device for a ship includes a pressing plate 1, a handle column 2, a sealing element 3, a pressing element 4 and a locking ring buckle 5. The pressing plate 1 and the pressing element 4 are respectively arranged on both sides of the hatch plate 91 at the manhole 90. The edge of the pressing plate 1 protrudes outwardly beyond the edge of the manhole 90, and at least two ends of the pressing element 4 protrude beyond the edge of the manhole 90. The sealing element 3 is arranged between the pressing plate 1 and the manhole 90. The handle column 2 is connected to the pressing plate 1 and protrudes from the side of the pressing element 4 away from the manhole 90. The pressing element 4 is provided with a clamping groove 411 for cooperating with the handle column 2. The outer peripheral wall of the handle column 2 is provided with a first sliding groove 21 extending in the axial direction of the handle column 2 and a second sliding groove extending in the circumferential direction of the handle column 2. The second sliding groove is connected to one end of the first sliding groove 21 towards the pressing element 4. The locking ring buckle 5 includes a ring body 51 sleeved on the handle column 2 and a limiting protrusion connected to the inner side of the ring body 51. The limiting protrusion can slide along the first sliding groove 21 and the second sliding groove. When the limiting protrusion is in the second sliding groove, the ring body 51 abuts against the pressing element 4, and the pressing element 4 presses the hatch plate 91. The locking ring buckle 5 preferably further includes a push handle 52 connected to the outer side of the ring body 51 to facilitate personnel to rotate the ring body 51 by pushing the push handle 52.

[0024] According to the manhole sealing device for ships in the above embodiment, the locking ring buckle 5 is sleeved on the holding column 2 connected with the pressing plate 1, the abutting part 4 is provided with the clamping groove 411 for cooperating with the holding column 2, the holding column 2 is provided with the first sliding groove 21 extending along the axial direction of the holding column 2 and the second sliding groove extending along the circumferential direction of the holding column 2 and connected with one end of the first sliding groove 21 and facing the abutting part 4, the limiting protrusion of the locking ring buckle 5 can slide along the first sliding groove 21 and the second sliding groove, and when the limiting protrusion is in the second sliding groove, the ring body 51 of the locking ring buckle 5 abuts against the abutting part 4, and the abutting part 4 abuts against the hatch plate 91. Therefore, the worker can first lift the pressing plate 1 through the holding column 2, turn the pressing plate 1 to one side and insert the pressing plate 1 into the manhole 90, then hold the abutting part 4 with the other hand to make the clamping groove 411 on the abutting part 4 cooperate with the holding column 2, slide the locking ring buckle 5 along the first sliding groove 21 to make the locking ring buckle 5 close to the abutting part 4, until the locking ring buckle 5 enters the second sliding groove, and rotate the locking ring buckle 5 to make the limiting protrusion deviate from the first sliding groove 21, so that the abutting part 4 and the pressing plate 1 clamp and seal the manhole 90 from both sides of the hatch plate 91. The manhole sealing device for ships only needs one person to complete the installation operation, without the need for two people to cooperate, and the action blocking problem is avoided, so that the installation efficiency of the manhole sealing device is greatly improved.

[0025] Preferably, the manhole sealing device for ships further comprises a connecting assembly 6, the connecting assembly 6 comprises a connecting bolt 61 and a locking nut 62, the abutting part 4 is provided with a through hole, one end of the connecting bolt 61 is connected with the pressing plate 1, preferably by welding, the other end of the connecting bolt 61 penetrates through the through hole, and the locking nut 62 is sleeved on the connecting bolt 61 and located on the side of the abutting part 4 away from the pressing plate 1. After the abutting part 4 is abutted against the hatch plate 91 by the locking ring buckle 5, the connecting bolt 61 penetrates through the through hole of the abutting part 4, and at this time, the locking nut 62 is sleeved on the connecting bolt 61 and tightened, so that the clamping force of the abutting part 4 and the pressing plate 1 on the hatch plate 91 is increased, and the sealing performance is improved.

[0026] Further, the connecting assembly 6 further comprises a gasket 63, the gasket 63 is sleeved on the connecting bolt 61, and the gasket 63 is located between the locking nut 62 and the abutting part 4. By arranging the gasket 63 between the locking nut 62 and the abutting part 4, the contact area between the locking nut 62 and the abutting part 4 is increased, the locking nut 62 is prevented from loosening, and the surface of the abutting part 4 is protected to prevent damage.

[0027] In some embodiments, the abutting part 4 comprises a connecting part 41 and two abutting parts 42, the through hole is arranged in the abutting part 42, and the two abutting parts 42 are arranged at intervals, at least two ends of each abutting part 42 abut against the hatch plate 91, the abutting part 42 is preferably a long strip-shaped steel plate, the connecting part 41 connects the two abutting parts 42, and the clamping groove 411 is arranged in the connecting part 41. By arranging the two abutting parts 42 at intervals to abut against the hatch plate 91 and connecting the two abutting parts 42 by the connecting part 41, the stress on the abutting part 4 is balanced, and the deformation of the abutting part 4 is avoided.

[0028] Preferably, the pressing member 4 further comprises a handle portion 43, two ends of the handle portion 43 are connected with the pressing portions 42 respectively, and a hand passing groove 431 is formed in the middle of the handle portion 43 and recessed away from the pressing plate 1. The handle portion 43 is arranged to facilitate the taking and placing of the pressing member 4, and the construction personnel can hold the handle portion 43 by four fingers to take and install the pressing member 4.

[0029] In some embodiments, the manhole sealing device for ship further comprises a lifting ring 7 connected to one end of the handle column 2 away from the pressing plate 1, the axial direction of the lifting ring 7 is perpendicular to the handle column 2, and the lifting ring 7 is detachably connected to the handle column 2. The lifting ring 7 is arranged to facilitate the construction personnel to take and install the pressing plate 1.

[0030] In some embodiments, the sealing member 3 is a sealing ring connected to the edge of the pressing plate 1 or the edge of the manhole 90, the sealing ring is a resilient member, for example, can be a rubber member, and the sealing ring is preferably adhesively connected to the side of the pressing plate 1 facing the manhole 90. The sealing ring can fill and fill the small gap between the pressing plate 1 and the hatch plate 91, play a sealing role, prevent gas or liquid leakage during the air tightness test to cause experimental data error.

[0031] Preferably, the manhole sealing device for ship further comprises a pressure measuring pipe 8 connected to the pressing plate 1, and the pressure measuring pipe 8 is connected to both sides of the pressing plate 1. The pressure measuring pipe 8 is arranged to facilitate the testing instrument to be connected to the pressure measuring pipe 8 to directly detect the pressure change in the cabin during the air tightness test.

[0032] Further, the pressure measuring pipe 8 comprises a first pipe segment 81 and a second pipe segment 82 connected to each other, the first pipe segment 81 is connected to the pressing plate 1 and extends in a direction perpendicular to the pressing plate 1, and the second pipe segment 82 is located at one end of the first pipe segment 81 away from the pressing plate 1 and is arranged at an angle with the first pipe segment 81. The pressure measuring pipe 8 is preferably made of a hard metal pipe, and by arranging the pressure measuring pipe 8 as the first pipe segment 81 and the second pipe segment 82 at an angle, the pressure measuring pipe 8 is convenient to hold by hand, and the construction personnel can hold the pressure measuring pipe 8 and the lifting ring 7 with two hands when lifting the pressing plate 1, which is more conducive to controlling and adjusting the direction and position of the pressing plate 1.

[0033] Preferably, the outer peripheral wall of the handle column 2 is further provided with a third sliding groove 22 extending in the circumferential direction of the handle column 2, the third sliding groove 22 is connected to one end of the first sliding groove 21 away from the pressing member 4, and the limiting protrusion can slide along the third sliding groove 22. By arranging the third sliding groove 22 at one end of the first sliding groove 21 away from the pressing member 4, the locking ring buckle 5 is locked in the third sliding groove 22 when the pressing plate 1 is not in use, so as to avoid affecting the operation experience during the movement of the pressing plate 1.

[0034] The manhole sealing device for ship of the present application has the following installation steps:

[0035] (1) Hold the lifting ring 7 and the pressure measuring tube 8 with both hands respectively, pick up the pressure plate 1, turn it to the side and insert it into the manhole 90 of the hull, and then adjust the position of the pressure plate 1 to block the manhole 90.

[0036] (2) Loosen the pressure measuring tube 8, grasp the handle part 43 and pick up the pressure member 4, align the locking groove 411 of the pressure member 4 with the grip post 2, push the pressure member 4 towards the pressure plate 1 and rotate it so that the connecting bolt 61 on the pressure plate 1 passes through the through hole on the pressure member 4.

[0037] (3) Rotate the locking ring 5 located in the third slide groove to make the limiting protrusion enter the first slide groove 21, and then push the locking ring 5 along the first slide groove 21 to make the limiting protrusion enter the second slide groove. Then rotate the locking ring 5 to make it offset from the first slide groove 21. At this time, the locking ring 5 abuts against the pressing member 4, and the pressing member 4 abuts against the compartment plate 91.

[0038] (4) Put each washer 63 and lock nut 62 onto each connecting bolt 61, and then tighten the lock nut 62 by rotating it.

[0039] In summary, the present invention provides a marine manhole sealing device, the installation of which can be completed by only one person. The positioning of the pressure member has a locking groove for initial positioning and rotation to make the connecting bolts and through holes fit and be positioned. Compared with the existing positioning and installation of pressure members, it is more convenient. One person can install it without any obstruction of movement, which effectively improves the installation efficiency of the manhole sealing device.

[0040] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present invention, and these improvements and substitutions should also be considered within the scope of protection of the present invention.

Claims

1. A marine manhole sealing device, characterized in that, The device includes a pressure plate, a gripping post, a seal, a pressing member, and a locking ring. The pressure plate and the pressing member are respectively located on both sides of the manhole panel. The edge of the pressure plate protrudes outward from the edge of the manhole, and at least two ends of the pressing member protrude outward from the edge of the manhole. The seal is located between the pressure plate and the manhole. The gripping post connects to the pressure plate and protrudes from the side of the pressing member away from the manhole. The pressing member has a locking groove for engaging with the gripping post. The outer peripheral wall of the gripping post has a first sliding groove extending axially along the gripping post and a second sliding groove extending circumferentially along the gripping post. The second sliding groove connects to the end of the first sliding groove facing the pressing member. The locking ring includes a ring body sleeved on the gripping post and a ring body connected to the manhole panel. The inner side of the ring body has a limiting protrusion that can slide along the first slide groove and the second slide groove. When the limiting protrusion is in the second slide groove, the ring body presses against the pressing member, and the pressing member presses against the cabin plate. The pressing member has a through hole and includes a connecting part and two pressing parts. The through hole is opened in the pressing part, and the two pressing parts are spaced apart. At least two ends of each pressing part abut against the cabin plate. The connecting part connects the two pressing parts, and the locking groove is opened in the connecting part. The outer peripheral wall of the grip post also has a third slide groove extending circumferentially along the grip post. The third slide groove connects to the end of the first slide groove away from the pressing member, and the limiting protrusion can slide along the third slide groove.

2. The marine manhole sealing device according to claim 1, characterized in that, It also includes a connecting assembly, which includes a connecting bolt and a locking nut. One end of the connecting bolt is connected to the pressure plate, and the other end of the connecting bolt passes through the through hole. The locking nut is sleeved on the connecting bolt and is located on the side of the pressing member away from the pressure plate.

3. The marine manhole sealing device according to claim 2, characterized in that, The connecting assembly also includes a washer, which is fitted onto the connecting bolt and is located between the locking nut and the pressing member.

4. The marine manhole sealing device according to claim 1, characterized in that, The pressing member also includes a handle portion, with each of the pressing portions connected to its two ends. The middle part of the handle portion is recessed in a direction away from the pressure plate to form a hand groove.

5. The marine manhole sealing device according to claim 1, characterized in that, It also includes a lifting ring, which is connected to the end of the grip post away from the pressure plate.

6. The marine manhole sealing device according to claim 1, characterized in that, The sealing element is a sealing ring, which is connected to the edge of the pressure plate or the edge of the manhole.

7. The marine manhole sealing device according to claim 1, characterized in that, It also includes a pressure measuring tube, which is connected to the pressure plate and connects both sides of the pressure plate.

8. The marine manhole sealing device according to claim 7, characterized in that, The pressure measuring tube includes a first pipe section and a second pipe section connected to each other. The first pipe section is connected to the pressure plate and extends in a direction perpendicular to the pressure plate. The second pipe section is located at the end of the first pipe section away from the pressure plate and is set at an angle to the first pipe section.

Images