Cable sealing device for underwater closed container
A cable sealing and airtight container technology, applied in the direction of cable terminals, electrical components, etc., can solve the problems of sealing, large plug connectors passing through, etc., and achieve the effects of excellent watertight performance, simple structure, and convenient disassembly and installation
Active Publication Date: 2015-03-18
BEIJING POWER MACHINERY INST
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Problems solved by technology
[0003] In view of this, the present invention provides a cable sealing device for an underwater airtight container, which can solve the problem of the line passing through the wall of the airtight container with a large plug connector and the sealing problem
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[0010] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0011] as attached figure 1 with 2 As shown, the present invention provides a cable sealing device for an underwater airtight container, including a split embedded combination flange, a rubber sealing sleeve and an annular sealing ring, and the peripheral equipment is a wall connecting flange; wherein, the split embedded combination The flange is two identical special-shaped structures. The bottom of one of the special-shaped structures is a cube abcd with a rectangular notch. The opening of the rectangular notch is located at the midpoint of the sides ad and cd, that is, points L and J. The rectangular notch contains the cube A vertex of , which accounts for a quarter of its area and volume, and above the bottom is an integrated rectangular bump FBEO, whose position corresponds to the midpoint between sides ab and bc of the cube abcd, that is, points K a...
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The invention, which belongs to the cable sealing technology field, provides a cable sealing device for an underwater closed container. The cable sealing device comprises a split embedded combination flange, a rubber seal sleeve, and an annular sealing ring; and peripheral equipment is a wall connecting flange. A cable through hole and a bolt installation hole are processed in the center of the split embedded combination flange; an annular seal groove is processed on the surface of the split embedded combination flange; and two symmetrical split type structures are formed by carrying out processing along a symmetrical center of the flange in transversal and longitudinal directions. A wall penetrating hole opened on a wall of a closed container; and the connecting flange is fixedly installed on the wall penetrating hole. After the rubber seal sleeve is sleeved outside the cable, the two split type structures are combined and in butt joint; and bolts are used to fix the two split type structures. And one end of the cable passes through the through hole, wherein the one end of the cable has a plug; and one surface of the split embedded combination flange, where the sealing ring is installed, is in butt joint with the wall connecting flange surface. According to the invention, a sealing problem when a line with a large plug connecting piece passes through walls of a closed container can be solved.
Description
technical field [0001] The invention relates to a cable sealing device, in particular to a cable sealing device for an underwater airtight container, belonging to the technical field of cable sealing. Background technique [0002] A large number of measurement and control cables will be used in the underwater pressurization test of some underwater simulation test devices. The measurement and control cables need to pass through the wall of the closed container while ensuring the sealing performance of the test pool. The common circuit sealing method that uses the flange to pass through the pressure vessel generally adopts a hole on the flange that is slightly larger than the diameter of the circuit, passes the circuit through, and then uses a gasket to compress and seal. Because the diameter of the cable used in the test is generally 50mm in diameter, and the plug even exceeds 150mm in diameter, it is very inconvenient to pass through the wall and install and remove the line,...
Claims
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IPC IPC(8): H02G9/00H02G3/22H02G15/04
Inventor 易菁安海军陶善治赵爽钱昌安
Owner BEIJING POWER MACHINERY INST