A cable drum installation method and structure

Abstract

The present invention discloses a cable drum installation method, which belongs to the technical field of cable drum installation, and solves the problem that the existing cable drum is inconvenient to install against the wall and is difficult to meet the watertightness and fireproofing requirements. The method comprises the following steps: (1) cutting an installation hole on the deck close to the side wall of the hull structure, and inserting the cable drum into the installation hole; (2) welding baffles between the two ends of the cable drum and the side wall of the hull structure to form a sealed enclosure; (3) welding and sealing the connection between the cable drum and the deck outside the sealed enclosure; (4) filling the connection between the cable drum and the deck inside the sealed enclosure with expansion cotton; (5) pouring fireproof plugging material into the sealed enclosure, and then cooling and solidifying. The cable drum installation method of the present invention facilitates the installation of the cable drum. The present invention also discloses a cable drum installation structure. The cable drum installation structure of the present invention can effectively ensure that the watertightness and fireproofing effects of the cable drum meet the use requirements.

Description

Technical Field

[0001] The present invention relates to cable drum installation, and more particularly to a cable drum installation method and structure. Background Art

[0002] In ships, the cable drum is a kit used to thread cables, usually installed on the deck. For the installation of the cable drum, the cable drum is currently placed at the location where it is to be installed, and then the opening line is drawn with a paintbrush, and then the opening is cut with a cutting knife. After the hole is opened, the cable drum is welded and sealed in the hole. Since the thickness of the decoration area needs to be considered when installing the cable drum, in order to be beautiful and not take up more cabin space, the cable drum is often installed against the side wall of the hull structure. However, since the cable drum is made of aluminum, the welding gun for aluminum welding is different from ordinary welding guns. It is thick and has a curved handle, and the welding gun cannot be placed in for welding. The inside of the cable drum installed against the wall cannot be welded, which leads to the problem that the watertightness and fireproof requirements of the cable drum cannot be met. Therefore, it is urgent to develop and design a cable drum installation method and structure. Summary of the invention

[0003] The technical problem to be solved by the present invention is to address the above-mentioned deficiencies in the prior art, and one of its purposes is to provide a cable drum installation method to facilitate the installation of the cable drum.

[0004] The second purpose is to provide a cable drum installation structure that can effectively ensure that the watertightness and fireproof effects of the cable drum meet the use requirements.

[0005] The first technical solution of the present invention is as follows: a cable drum installation method, the method comprising the following steps:

[0006] (1) Cut a mounting hole on the deck near the side wall of the hull structure and insert the cable drum into the mounting hole;

[0007] (2) Weld baffles between the two ends of the cable drum and the side wall of the hull structure to form a sealed enclosure;

[0008] (3) Weld and seal the connection between the cable drum and the deck outside the sealed enclosure;

[0009] (4) Fill expansion cotton into the connection between the cable drum and the deck in the sealed enclosure;

[0010] (5) Pour fire-proof plugging material into the sealed enclosure and then cool and solidify.

[0011] As a further improvement, in the step (1), the cable drum is inserted at 50 mm to 55 mm below the deck.

[0012] Furthermore, in the step (2), the height of the baffle is the same as the height of the cable drum, and the bottom end of the baffle is welded and sealed to the deck.

[0013] Furthermore, before the step (4), there are the following steps:

[0014] a. Grinding the welds in steps (2) and (3);

[0015] b. Spray paint on the polished surface in step a to form a paint film.

[0016] Technical solution 2 of the present invention is as follows: a cable drum installation structure, including a mounting hole opened on a deck on one side of a hull structure side wall, a cable drum being inserted into the mounting hole, baffles being provided between both ends of the cable drum and the hull structure side wall, the baffles being welded and sealed to the cable drum, the hull structure side wall and the deck, a sealed enclosure being formed between the baffles and the cable drum, the hull structure side wall and the deck, fireproof plugging material being poured into the sealed enclosure, and the cable drum outside the sealed enclosure being welded and sealed to the deck.

[0017] As a further improvement, the bottom end of the cable drum is located below the bottom surface of the deck.

[0018] Furthermore, a distance H from the bottom end of the cable drum to the bottom surface of the deck is 50 mm to 55 mm.

[0019] Furthermore, two L-shaped steels are provided on the side wall of the hull structure and are welded and sealed therewith, and each of the L-shaped steels is welded and sealed to a baffle.

[0020] Furthermore, the welds between the baffle and the cable drum, the side wall of the hull structure, and the deck, as well as the welds between the cable drum and the deck outside the sealed enclosure are all sprayed with a paint film.

[0021] Furthermore, the connection between the cable drum and the deck in the sealed enclosure is filled with expansion cotton to prevent leakage when filling the fireproof plugging material.

[0022] Beneficial Effects

[0023] Compared with the prior art, the present invention has the following advantages:

[0024] 1. The cable drum installation method of the present invention forms a sealed enclosure by welding a baffle between the cable drum and the side wall of the hull structure, and seals the connection between the cable drum and the deck between the cable drum and the side wall of the hull structure by pouring fireproof plugging material into the sealed enclosure. There is no need to weld and seal the connection inside the cable drum, which meets the watertightness and fireproofing requirements of the cable drum and facilitates the installation of the cable drum.

[0025] 2. The cable drum installation structure of the present invention adopts a welding sealing connection between the outer side of the cable drum and the deck to fix the cable drum, and a baffle is used on the inner side of the cable drum to form a sealed enclosure between the deck and the side wall of the hull structure, and fire-proof plugging material is poured into the sealed enclosure. On the one hand, it can support the inner side of the cable drum, so that the force on the cable drum is more uniform, and the connection between the cable drum and the deck is more stable and reliable. On the other hand, the fire-proof plugging material can effectively ensure the watertightness and fire resistance of the cable drum, and meet the requirements of ship construction and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the top view of the structure of the present invention;

[0027] Figure 2 It is a side structural schematic diagram of the present invention.

[0028] Among them: 1- hull structure side wall, 2- deck, 3- installation hole, 4- cable drum, 5- baffle, 6- sealed enclosure, 7- fireproof plugging material, 8- L-shaped steel. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0030] See also Figure 1-2 A cable drum installation method of the present invention comprises the following steps:

[0031] (1) Cut a mounting hole on the deck near the side wall of the hull structure and insert the cable drum into the mounting hole;

[0032] The installation hole is cut by drawing the opening hole with a paintbrush and then cutting the hole with a cutting knife. The size of the installation hole is slightly larger than the size of the cable drum to ensure that the cable drum can be plugged into the installation hole.

[0033] (2) Welding baffles between the two ends of the cable drum and the side wall of the hull structure to form a sealed enclosure; so that the inner part of the cable drum that cannot be welded is covered by the sealed enclosure;

[0034] (3) Weld and seal the connection between the cable drum and the deck outside the sealed enclosure to fix the cable drum;

[0035] (4) Fill expansion cotton into the connection between the cable drum and the deck in the sealed enclosure;

[0036] (5) Pour fire-proof plugging material into the sealed enclosure and then cool and solidify.

[0037] The cable drum installation method of the present invention forms a sealed enclosure by welding a baffle between the cable drum and the side wall of the hull structure, and seals the connection between the cable drum and the deck between the cable drum and the side wall of the hull structure by pouring fireproof plugging material into the sealed enclosure. There is no need to weld and seal the connection inside the cable drum, which meets the watertightness and fireproofing requirements of the cable drum and facilitates the installation of the cable drum.

[0038] Preferably, in step (1), the cable drum is inserted 50 mm to 55 mm below the deck to facilitate subsequent welding and sealing, and the middle of the cable drum can be in contact with the deck, so that the force on the cable drum is more uniform.

[0039] Preferably, in step (2), the height of the baffle is the same as the height of the cable drum, and the bottom end of the baffle is welded and sealed to the deck, so that the stress position of the cable drum extends to the top, and the installation of the cable drum is more reliable and stable.

[0040] Preferably, before step (4), the following steps are further performed: a. grinding the welds in steps (2) and (3); b. spraying paint on the polished surface in step a to form a paint film. By spraying paint on the weld position, the corrosion resistance is effectively improved, thereby ensuring the connection reliability of the weld. Moreover, the weld is first polished and then sprayed with paint, so that the density of the paint film is better, thereby improving the corrosion resistance.

[0041] A cable drum installation structure comprises a mounting hole 3 provided on a deck 2 on one side of a hull structure side wall 1, the mounting hole 3 being adapted to a cable drum 4, the cable drum 4 being inserted into the mounting hole 3, baffles 5 being provided between both ends of the cable drum 4 and the hull structure side wall 1, wherein the baffles 5 and the cable drum 4, the hull structure side wall 1 and the deck 2 are welded and sealed, a sealed enclosure 6 is formed between the baffles 5 and the cable drum 4, the hull structure side wall 1 and the deck 2, the top of the sealed enclosure 6 is open for convenient injection of fireproof plugging material, fireproof plugging material 7 is injected into the sealed enclosure 6, and the cable drum 4 outside the sealed enclosure 6 is welded and sealed to the deck 2.

[0042] The cable drum installation structure of the present invention adopts a welding sealing connection between the outer side of the cable drum 4 and the deck 2 to achieve the fixation of the cable drum 4, and a baffle 5 is adopted on the inner side of the cable drum 4 to form a sealed enclosure 6 between the deck 2 and the side wall 1 of the hull structure, and a fireproof plugging material 7 is poured into the sealed enclosure 6. On the one hand, it can play a role in supporting the inner side of the cable drum 4, so that the force on the cable drum 4 is more uniform, and the connection between the cable drum 4 and the deck 2 is more stable and reliable. On the other hand, the fireproof plugging material 7 can effectively ensure the watertightness and fire resistance of the cable drum 4, and meet the requirements of ship construction and use.

[0043] Preferably, the bottom end of the cable drum 4 is located below the bottom surface of the deck 2, increasing the contact area between the cable drum 4 and the mounting hole 3, and improving the connection reliability after welding. Furthermore, the distance H from the bottom end of the cable drum 4 to the bottom surface of the deck 2 is 50 mm to 55 mm, so that the middle of the cable drum 4 can contact the deck 2, so that the force on the cable drum 4 is more uniform.

[0044] Preferably, two L-shaped steels 8 are welded and sealed to the side wall 1 of the hull structure, and each L-shaped steel 8 is welded and sealed to a baffle 5, which effectively increases the area of ​​the sealed well 6, thereby increasing the volume of the fireproof plugging material 7, and further ensuring the watertightness and fireproofness of the cable drum.

[0045] Preferably, the welds between the baffle 5 and the cable drum 4, the side wall 1 of the hull structure, the deck 2, and the welds between the cable drum 4 and the deck 2 outside the sealing well 6 are all sprayed with a paint film, which is formed by grinding the weld and then spraying it, effectively preventing the problem of corrosion at the welding point.

[0046] Preferably, the connection between the cable drum 4 and the deck 2 in the sealed enclosure 6 is filled with expansion cotton, that is, the non-weldable portion between the cable drum and the deck is filled with expansion cotton to prevent the fireproof plugging material 7 from leaking out of the connection when it is poured.

[0047] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A cable drum installation structure, characterized in that: The invention comprises a mounting hole (3) formed on a deck (2) on one side of a hull structure side wall (1), a cable drum (4) being inserted into the mounting hole (3), baffles (5) being provided between both ends of the cable drum (4) and the hull structure side wall (1), the baffles (5) being welded and sealed to the cable drum (4), the hull structure side wall (1) and the deck (2), a sealed enclosure (6) being formed between the baffles (5) and the cable drum (4), the hull structure side wall (1) and the deck (2), a fireproof plugging material (7) being poured into the sealed enclosure (6), the cable drum (4) outside the sealed enclosure (6) being welded and sealed to the deck (2), the bottom end of the cable drum (4) being located below the bottom surface of the deck (2), two L-shaped steels (8) being welded and sealed to the hull structure side wall (1) being provided, each of the L-shaped steels (8) being welded and sealed to a baffle (5).

2. A cable drum installation structure according to claim 1, characterized in that: The distance H from the bottom end of the cable drum (4) to the bottom surface of the deck (2) is 50 mm to 55 mm.

3. A cable drum installation structure according to claim 1, characterized in that: The welds between the baffle (5) and the cable drum (4), the side wall (1) of the hull structure, and the deck (2), as well as the welds between the cable drum (4) and the deck (2) outside the sealed enclosure (6) are all sprayed with a paint film.

4. A cable drum installation structure according to claim 1, characterized in that: The connection between the cable drum (4) and the deck (2) in the sealed enclosure (6) is filled with expansion cotton.

5. A cable drum installation method, characterized in that: The cable drum installation structure according to claim 1 is included in the method, and the method comprises the following steps: S1. Cut a mounting hole on the deck near the side wall of the hull structure, and insert the cable drum into the mounting hole; S2. Weld baffles between the two ends of the cable drum and the side wall of the hull structure to form a sealed enclosure; S3. Weld and seal the connection between the cable drum and the deck outside the sealed enclosure; S4. Fill expansion cotton into the connection between the cable drum and the deck in the sealed enclosure; S5. Pour fire-proof plugging material into the sealed enclosure and then cool and solidify.

6. A cable drum installation method according to claim 5, characterized in that: In the step S1, the cable drum is inserted at 50 mm to 55 mm below the deck.

7. A cable drum installation method according to claim 5, characterized in that: In the step S2, the height of the baffle is the same as the height of the cable drum, and the bottom end of the baffle is welded and sealed to the deck.

8. A cable drum installation method according to claim 5, characterized in that: Before the step S4, there are the following steps: a. Grinding the welds in steps S2 and S3; b. Spray paint on the polished surface in step a to form a paint film.

Images