CN112670922B - Temporary sealing method for ship air tightness detection cable penetration piece - Google Patents
Temporary sealing method for ship air tightness detection cable penetration piece Download PDFInfo
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- CN112670922B CN112670922B CN202011192911.0A CN202011192911A CN112670922B CN 112670922 B CN112670922 B CN 112670922B CN 202011192911 A CN202011192911 A CN 202011192911A CN 112670922 B CN112670922 B CN 112670922B
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Abstract
The invention discloses a temporary sealing method for a ship air tightness detection cable penetrating piece, which adopts a special temporary sealing device and comprises a sealing plate, a threaded seat, a connecting rod, an upper fixing plate, a lower fixing plate and a fastener, wherein the threaded seat is welded at one end of the sealing plate, one end of the connecting rod is provided with an external thread matched with the threaded seat, the other end of the connecting rod is provided with an external thread matched with the fastener, the middle part of the upper fixing plate is provided with an upper groove and a penetrating upper penetrating rod hole along one side, the middle part of the lower fixing plate is provided with a lower groove and a penetrating lower penetrating rod hole along one side, one end of the connecting rod is arranged in the threaded seat, and the other end of the connecting rod is fixed through the fastener after passing through the upper penetrating rod hole and the lower penetrating rod hole. The temporary sealing device is simple to install, is suitable for temporary sealing of various types of cable penetration pieces, does not need hot processing, can be repeatedly used, and avoids the influence of poor temporary sealing effect of the cable penetration pieces on the cabin tightness experiment.
Description
Technical Field
The invention belongs to the field of ship construction, and particularly relates to a temporary sealing method for a ship air tightness detection cable penetration piece.
Background
Many compartments in ships are required to meet certain sealing requirements, and some cables are required to be passed through cable penetrations from the compartment walls to the compartments. After the cables are laid, the relevant penetrating pieces are subjected to sealing treatment, so that the requirement on the sealing performance of the cabin is met. However, before cables are laid, some cabins need to be subjected to a tightness test to check tightness of structural welds, and at this time, cable penetrations are not sealed by the structural welds (formal sealing measures cannot be taken because no cables are inside). The existing measures are that a solid is used for filling the penetrating piece, or a port of the penetrating piece is coated and wound by an adhesive tape, the two methods cannot completely seal the cable penetrating piece, the cabin tightness experiment has leakage risks, the experiment fails, and the production progress is influenced, so that the cable penetrating piece needs to be absolutely sealed by a proper tool, and the success of submitting the tightness experiment is ensured.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a temporary sealing method for a ship air tightness detection cable penetration piece, which can solve the problems that the sealing effect is poor and the cabin air tightness experiment is influenced when the cable penetration piece is temporarily sealed, and reduce the possibility of damage of the cable penetration piece.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a temporary sealing method for a ship gas tightness detection cable cabin penetrating piece, which adopts a special temporary sealing device and comprises a sealing plate, a thread seat, a connecting rod, an upper fixing plate, a lower fixing plate and a fastener, wherein the thread seat is welded at one end of the sealing plate, one end of the connecting rod is provided with an external thread matched with the thread seat, the other end of the connecting rod is provided with an external thread matched with the fastener, one side of the sealing plate, which is provided with the thread seat, is provided with a first sealing rubber pad at the outer edge of the thread seat, the middle part of the upper fixing plate is provided with an upper groove and a penetrating upper penetrating rod penetrating hole along one side, the width of the upper groove is larger than that of the lower fixing plate, the middle part of the lower fixing plate is provided with a lower groove and a penetrating lower penetrating rod penetrating hole along one side, and the width of the lower groove is larger than that of the upper fixing plate, the sealing plate is arranged at one end of the cable penetrating piece outside the cabin, the upper fixing plate and the lower fixing plate are arranged at one end of the cable penetrating piece in the cabin after being crossed, one end of the connecting rod is arranged in the threaded seat, and the other end of the connecting rod penetrates through the upper rod penetrating hole and the lower rod penetrating hole and is fixed through a fastener;
the temporary sealing method comprises the following steps:
placing a sealing plate on one side of a cable penetrating piece outside a cabin, screwing one end of a connecting rod into a threaded seat, and screwing;
placing an upper fixing plate and a lower fixing plate on the connecting rod in sequence, wherein the upper fixing plate is in contact with one side of the cable penetrating piece, which is positioned in the cabin, and the upper fixing plate and the lower fixing plate are embedded into each other;
thirdly, adjusting the positions of the upper fixing plate and the lower fixing plate according to the length of the cable penetrating piece to enable the first sealing rubber gasket to be in a compressed state, and installing a fastener to complete fixing;
and step four, carrying out an air tightness experiment.
As a preferred technical scheme, the process of the airtightness test is as follows: from the inboard of cable penetration piece, adopt the gas pressure unanimous with cabin airtightness experiment requirement pressure, carry out the experiment of blowing to the clearance between closing plate and the cable penetration piece, at one side gap spraying soapy water of closing plate, if bubble production then sealed effect meets the demands, if bubble production then continues to screw up the fastener, until the bubble disappears.
As a preferable technical scheme, a second sealing rubber pad is arranged on the opposite side of the upper fixing plate where the upper fixing groove is formed, and a third sealing rubber pad is arranged on the lower fixing plate where the lower fixing groove is formed.
As the preferred technical scheme, the sealing plate is made of a square steel plate, and the threaded seat is connected with the square steel plate in a welding mode.
As a preferred technical scheme, an included angle between the upper fixing plate and the lower fixing plate is 90 degrees.
As a preferred technical scheme, the fastener comprises an annular gasket and a fastening nut, the inner diameter of the annular gasket is the same as the outer diameter of the connecting rod, and the inner thread of the fastening nut is matched with the outer thread of the other end of the connecting rod.
As a preferred technical solution, the thickness of the upper fixing plate is the same as that of the lower fixing plate, and the upper groove and the lower groove are respectively half of the thickness of the upper fixing plate and the lower fixing plate.
Preferably, the upper fixing plate, the lower fixing plate and the sealing plate have the same length.
Compared with the prior art, the invention has the beneficial effects that:
(1) the temporary sealing device is simple to install, suitable for temporary sealing of various types of cable penetrating pieces, free of hot processing, capable of being repeatedly used, and capable of avoiding the influence of poor temporary sealing effect of the cable penetrating pieces on cabin tightness experiments.
(2) All contact points of the cable penetration piece are in flexible contact, so that the surface of the cable penetration piece is prevented from being damaged, and the subsequent cable laying is not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view showing the overall structure of a cable penetration temporary sealing device according to the present invention.
Wherein the reference numerals are specified as follows: the sealing plate comprises a sealing plate 1, a threaded seat 2, a connecting rod 3, an upper fixing plate 4, a lower fixing plate 5, a fastener 6, a first sealing rubber gasket 7, a second sealing rubber gasket 8, a third sealing rubber gasket 9, a cabin 10 and a cable penetrating piece 11.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
The embodiment provides a boats and ships gas tightness detects interim sealing device of cable penetration piece, including closing plate 1, closing plate 1 is a square steel sheet, has screw thread seat 2 in one side welding of square steel sheet, is provided with first sealing rubber pad 7, first rubber sealing pad and closing plate 1 zonulae occludens around screw thread seat 2 in one side of welding screw thread seat 2. Still include connecting rod 3, the one end of connecting rod 3 is provided with 2 assorted external screw threads of screw thread seat, connecting rod 3 and 2 threaded connection of screw thread seat. Still include upper fixed plate 4 and bottom plate 5, upper fixed plate 4 and bottom plate 5 adopt the preparation of rectangle steel sheet to form, upper groove and last poling hole have been seted up along one side of upper fixed plate 4 in the half department in upper fixed plate 4 middle part, the width of upper groove is greater than the width of bottom plate 5, the low groove has been seted up along one side of bottom plate 5 in the half department in the middle part of bottom plate 5, the width of low groove is greater than the width of upper fixed plate 4, the other end of connecting rod 3 passes last poling hole, it is fixed through fastener 6 behind the bottom poling hole.
In this embodiment, in order to improve the sealing performance and avoid damage to the cable penetration assembly 11, the second sealing rubber gasket 8 is disposed on the side of the upper fixing plate 4 opposite to the side where the upper fixing groove is formed, and the third sealing rubber gasket 9 is disposed on the side of the lower fixing plate 5 where the lower fixing groove is formed. The fastener 6 comprises an annular gasket and a fastening nut, the inner diameter of the annular gasket is the same as the outer diameter of the connecting rod 3, and the inner thread of the fastening nut is matched with the outer thread at the other end of the connecting rod 3.
In this embodiment, in order to improve the installation stability, the thickness of the upper fixing plate 4 is the same as that of the lower fixing plate 5, the upper groove and the lower groove are respectively half of the thickness of the upper fixing plate 4 and the lower fixing plate 5, and the included angle between the upper fixing plate 4 and the lower fixing plate 5 is 90 degrees. The lengths of the upper fixing plate 4, the lower fixing plate 5 and the sealing plate 1 are the same.
The embodiment provides a temporary sealing method for a ship air tightness detection cable penetration piece, which comprises the following steps:
firstly, placing a sealing plate 1 on one side of a cable penetrating piece 11 positioned outside a cabin 10, screwing one end of a connecting rod 3 into a threaded seat 2, and screwing tightly;
placing an upper fixing plate 4 and a lower fixing plate 5 on the connecting rod 3 in sequence, wherein the upper fixing plate 4 is in contact with one side of the cable penetrating piece 11, which is positioned in the cabin, and the upper fixing plate 4 and the lower fixing plate 5 are embedded into each other;
thirdly, adjusting the positions of the upper fixing plate 4 and the lower fixing plate 5 according to the length of the cable penetrating piece 11 to enable the first sealing rubber gasket 7 to be in a compressed state, and installing the fastening piece 6 to finish fixing;
and step four, carrying out an air tightness experiment. The process of the air tightness test is as follows: from the inboard of cable penetration piece 11, adopt the gas pressure that is unanimous with cabin gas tightness experiment requirement pressure, to the experiment of blowing in the clearance between closing plate 1 and cable penetration piece 11, at the soapy water of one side gap spraying of closing plate 1, if there is not the bubble to produce then sealed effect satisfies the requirement, if there is the bubble to produce, then continues to screw up fastener 6, until the bubble disappears.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (8)
1. A temporary sealing method for a ship air tightness detection cable penetration piece is characterized in that a specially-made temporary sealing device is adopted and comprises a sealing plate, a threaded seat, a connecting rod, an upper fixing plate, a lower fixing plate and a fastening piece, the threaded seat is welded at one end of the sealing plate, an external thread matched with the threaded seat is arranged at one end of the connecting rod, an external thread matched with the fastening piece is arranged at the other end of the connecting rod, a first sealing rubber pad is arranged at one side, provided with the threaded seat, of the sealing plate on the outer edge of the threaded seat, an upper groove and a penetrating upper penetrating rod hole are formed in the middle of the upper fixing plate along one side, the width of the upper groove is larger than that of the lower fixing plate, a lower groove and a penetrating lower penetrating rod hole are formed in the middle of the lower fixing plate along one side, and the width of the lower groove is larger than that of the upper fixing plate, the sealing plate is arranged at one end of the cable penetrating piece outside the cabin, the upper fixing plate and the lower fixing plate are arranged at one end of the cable penetrating piece in the cabin after being crossed, one end of the connecting rod is arranged in the threaded seat, and the other end of the connecting rod penetrates through the upper rod penetrating hole and the lower rod penetrating hole and is fixed through a fastener;
the temporary sealing method comprises the following steps:
placing a sealing plate on one side of a cable penetrating piece outside a cabin, screwing one end of a connecting rod into a threaded seat, and screwing;
placing an upper fixing plate and a lower fixing plate on the connecting rod in sequence, wherein the upper fixing plate is in contact with one side of the cable penetrating piece, which is positioned in the cabin, and the upper fixing plate and the lower fixing plate are embedded into each other;
thirdly, adjusting the positions of the upper fixing plate and the lower fixing plate according to the length of the cable penetrating piece to enable the first sealing rubber gasket to be in a compressed state, and installing a fastener to complete fixing;
and step four, carrying out an air tightness experiment.
2. The temporary sealing method for the ship air tightness detection cable penetrating part according to claim 1, wherein the air tightness test comprises the following steps: from the inboard of cable penetration piece, adopt the gas pressure unanimous with cabin leakproofness experiment requirement pressure, blow the experiment to the clearance between closing plate and the cable penetration piece, at one side gap spraying soapy water of closing plate, if there is not bubble production then sealed effect satisfies the requirement, if there is the bubble production, then continue to screw up the fastener, until the bubble disappears.
3. The method for temporarily sealing a ship air-tightness detection cable penetration assembly according to claim 1, wherein a second sealing rubber gasket is disposed on the opposite side of the upper fixing plate where the upper fixing groove is formed, and a third sealing rubber gasket is disposed on the lower fixing plate where the lower fixing groove is formed.
4. The temporary sealing method for the ship air-tightness detection cable penetrating part according to claim 1, wherein the sealing plate is made of a square steel plate, and the thread seat is welded with the square steel plate.
5. The method for temporarily sealing a ship air-tightness detection cable penetration assembly according to claim 1, wherein an included angle between the upper fixing plate and the lower fixing plate is 90 degrees.
6. The temporary sealing method for the ship air-tightness detection cable penetrating part according to claim 1, wherein the fastening piece comprises an annular gasket and a fastening nut, the inner diameter of the annular gasket is the same as the outer diameter of the connecting rod, and the internal thread of the fastening nut is matched with the external thread at the other end of the connecting rod.
7. The method for temporarily sealing a ship air-tightness detection cable penetration assembly according to claim 1, wherein the thickness of the upper fixing plate is the same as that of the lower fixing plate, and the upper groove and the lower groove are respectively half of the thickness of the upper fixing plate and the lower fixing plate.
8. The method for temporarily sealing a ship air-tightness detection cable penetration assembly according to claim 1, wherein the lengths of the upper fixing plate, the lower fixing plate and the sealing plate are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192911.0A CN112670922B (en) | 2020-10-30 | 2020-10-30 | Temporary sealing method for ship air tightness detection cable penetration piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192911.0A CN112670922B (en) | 2020-10-30 | 2020-10-30 | Temporary sealing method for ship air tightness detection cable penetration piece |
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| CN112670922A CN112670922A (en) | 2021-04-16 |
| CN112670922B true CN112670922B (en) | 2022-06-10 |
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| CN113326566B (en) * | 2021-05-28 | 2023-05-16 | 江南造船(集团)有限责任公司 | Ship cable penetration piece placement method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3309065B2 (en) * | 1997-08-22 | 2002-07-29 | 本田技研工業株式会社 | Grommets for cable mounting |
| CN202032179U (en) * | 2011-02-24 | 2011-11-09 | 沪东中华造船(集团)有限公司 | Cable penetration piece sealing device used for airtight test |
| CN203883405U (en) * | 2014-06-06 | 2014-10-15 | 孟晓栋 | Offshore drilling platform sealing fireproof cable penetrating member |
| CN204881989U (en) * | 2015-08-07 | 2015-12-16 | 广州飞机维修工程有限公司 | Aircraft starter armature sealing performance test fixture |
| CN106058787A (en) * | 2016-06-03 | 2016-10-26 | 青岛北海船舶重工有限责任公司 | Multi-diameter cable sealing device, electrical component, ship and mechanical equipment |
| CN107806965B (en) * | 2017-11-23 | 2024-01-02 | 广州文冲船厂有限责任公司 | Tightness test device and tightness test method for watertight cable stuffing box |
| US10900603B2 (en) * | 2017-12-21 | 2021-01-26 | Shlomo Attia | Device for preventing refrigerant leaks in air conditioning system service ports |
| CN110274119B (en) * | 2019-06-27 | 2021-04-30 | 广船国际有限公司 | Ship pipeline assembly and ship comprising same |
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