CN117878795A - Deepwater ship cable integrated cabin penetrating sealing device convenient to maintain - Google Patents

Abstract

The invention belongs to the technical field of cable cabin penetrating sealing, and relates to a deepwater ship cable integrated cabin penetrating sealing device convenient to maintain. The sealing device comprises an out-cabin watertight box, a glass sintering wire holder, a cup-shaped pipe joint, an in-cabin watertight box and a connector. The cup-shaped pipe joint is welded with the pressure-resistant cabin; the cabin outer watertight box and the cabin inner watertight box are respectively arranged inside and outside the pressure-resistant cabin body and are connected with two ends of the cup-shaped pipe joint; the glass sintering wiring seat is arranged at the joint of the watertight box outside the cabin and the cup-shaped pipe joint; the connector is arranged at the openings of the watertight box body in the cabin and the watertight box body outside the cabin; all joints are provided with sealing structures. The sealing performance of the device is comprehensively improved; the invention improves the installation firmness and is convenient for unidirectional installation of the cable; the invention greatly improves the maintenance efficiency.

Description

Deepwater ship cable integrated cabin penetrating sealing device convenient to maintain

Technical Field

The invention belongs to the technical field of cable cabin penetrating sealing, and particularly relates to a deepwater ship cable integrated cabin penetrating sealing device convenient to maintain.

Background

A deep water cable threading device is a device for introducing a cable from a ship into an underwater apparatus on the sea floor. With the increase of deep sea resource development, ocean science research and submarine communication demands, the deep water cable cabin penetrating device is continuously developed and improved. The signal transmission of marine equipment outboard equipment requires cable penetration, and the current method is to seal between the cable and the pressure bulkhead by using a stuffing box structure or a single penetration connector. The stuffing box has a simple structure, does not need to add connectors, is only suitable for shallow water and static fixed working conditions of cables, can cause water leakage under deep water or severe working conditions, and causes irreparable damage to equipment, control systems and the like in the cabin. The cabin penetrating connector is convenient to install, good in water tightness and high in reliability, but can only meet signal transmission of a single cable, and the application range of the cabin penetrating connector is greatly limited.

The utility model discloses a chinese patent of application number CN202122512206.0, is equipped with the bulkhead, bulkhead top side is equipped with the hole of passing, its characterized in that pass and be equipped with cable and wear the cabin subassembly on the hole, cable wear the cabin subassembly and include and wear cabin pipe, wear cabin end cover, watertight rubber circle, fire prevention fire-retardant cover, wear both ends of cabin pipe and pass the both sides of the hole of passing of bulkhead, wear the middle part of cabin pipe and the annular seal welding of hole department that passes of bulkhead, be equipped with the internal thread on the both ends inner wall of cabin pipe respectively, be equipped with fire prevention fire-retardant cover on the inboard cabin pipe inner wall of internal thread, fire prevention fire-retardant cover and cabin pipe inner wall fixed connection, the both ends of fire prevention fire-retardant cover are equipped with watertight rubber circle respectively, wear the cabin end cover and include end plate and screw rod, the middle part of end plate and screw rod is equipped with the strip hole of passing the cable, wear the cabin end cover to be connected and extrude watertight rubber circle through the internal thread of screw rod and wear cabin pipe, have simple structure, good leakproofness, change convenience, fire prevention, advantage such as water tightness is good.

For deep submarines such as weapon submarines, the outboard equipment needs a plurality of cables to realize signal acquisition and transmission with a plurality of functions, for example, the plurality of cables penetrate through the pressure bulkhead of the pressure body to enter the main control cabin, and a plurality of holes are needed to be formed in the pressure bulkhead of the ship body in advance, so that the risk point of water leakage of the holes is increased, and the protection grade of the cabin penetrating position is reduced; meanwhile, when the cabin penetrating position is damaged, maintenance cannot be performed in time, subsequent maintenance is required to be performed on the shore, and the efficiency is low.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the deepwater marine cable integrated cabin penetrating sealing device which is convenient to maintain, and the sealing performance of the device is comprehensively improved; the invention improves the installation firmness and is convenient for unidirectional installation of the cable; the invention greatly improves the maintenance efficiency.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the deepwater ship cable integrated cabin penetrating sealing device convenient to maintain comprises an external cabin watertight box, a glass sintering wiring seat, a cup-shaped pipe joint, an internal cabin watertight box and a connector; the outer side wall of the cup-shaped pipe joint is welded with the bulkhead; the cabin inner watertight box and the cabin outer watertight box are respectively arranged inside and outside the cabin wall and are in sealing connection with two ports of the cup-shaped pipe joint; the side wall of the cabin inner watertight box and the side wall of the cabin outer watertight box are uniformly provided with a plurality of holes, the holes can be adjusted according to the actual cables and the connector, the holes are all connected with the connectors in a sealing manner, and connection transmission of a plurality of cables with the same or different specifications and functions is realized.

The bulkhead of the present invention is the bulkhead through which the integrated through-the-cabin sealing device is required to pass, including but not limited to a pressure resistant cabin, a load cabin or other tank hull.

The inner cavity of the cup-shaped pipe joint is formed by splicing the bottom surfaces of two hexagonal platforms, so that a cavity structure with large middle caliber and small two ends caliber is formed; the two ends of the cavity structure are communicated with an outer cavity opening and an inner cavity opening, and the glass sintering wiring seat is arranged in the watertight box outside the cabin and is connected with the outer cavity opening in a sealing way; and a pressure-bearing structure is movably arranged in the cavity structure.

Preferably, the pressure-bearing structure comprises a pressure-bearing pipe, the shape of the pressure-bearing pipe is the same as that of the cavity structure, and the size of the pressure-bearing pipe is smaller than that of the cavity structure; the pressure-bearing pipe is characterized in that one end, close to the cabin, of the pressure-bearing pipe is communicated with a connecting pipe, the outer wall of the connecting pipe is in sliding connection with an inner cavity opening, a pressure-bearing plate is fixedly and hermetically arranged between the pressure-bearing pipe and the connecting pipe, and a plurality of cable-bearing pipes are communicated with the pressure-bearing plate.

More preferably, the cable receiving pipe has an elastic conical structure, and the pipe orifice of the cable receiving pipe faces one side of the pressure receiving pipe; when approaching the pipe orifice of the adapter pipe, the pipe diameter of the adapter pipe is continuously reduced, and the reducing speed is continuously reduced until the pipe diameter is 0.

More preferably, one end of the cabin watertight box is provided with an inserting pipe, the inserting pipe and the inside of the connecting pipe are mutually and hermetically inserted, a movable ring is outwards extended at the joint of the cabin watertight box and the inserting pipe, a plurality of movable holes are uniformly formed in the movable ring, one end of the cup-shaped pipe joint, which is close to the cabin watertight box, is uniformly fixed with a plurality of sliding rods, and the movable holes of the movable ring are sleeved on the corresponding sliding rods and are in sliding connection with the sliding rods; the sliding rod is sleeved with a spring, and two ends of the spring are fixedly connected with the movable ring and the cup-shaped pipe joint respectively; one end of the sliding rod, which is far away from the cup-shaped pipe joint, is provided with threads and is in threaded connection with an adjusting nut.

More preferably, a drainage port is formed in the middle of the bottom of the pressure-bearing pipe, and a pressure valve is correspondingly arranged and communicated in the middle of the bottom of the cup-shaped pipe joint 6 and is positioned in the cabin.

Preferably, the external watertight box comprises an external watertight box cover, an external watertight box cover sealing ring, an external watertight box body, a box cover fixing bolt and a watertight box body fixing bolt, wherein the external watertight box cover is fixedly arranged on the external watertight box body through the box cover fixing bolt, and the external watertight box cover sealing ring is arranged at the joint of the external watertight box cover and the external watertight box body; the outside watertight box body is arranged at an outside cabin matching port of the cup-shaped pipe joint through an outside cabin watertight box body fixing bolt, and an outside cabin watertight box sealing ring is arranged at the joint of the outside cabin watertight box body and the cup-shaped pipe joint.

Preferably, the connector comprises a connector shell, a contact piece, a connector glass blank, a connector fixing screw and a connector sealing ring, wherein the connector shell, the contact piece and the connector glass blank are combined together through sintering, the contact piece penetrates through the connector glass blank, the connector glass blank is fixedly connected with the connector shell, and the connector sealing ring is arranged at the joint of the connector shell and the water-tight box opening; the connector shell is arranged on the openings of the watertight box outside the cabin and the watertight box in the cabin through connector fixing screws; the outer end of the connector shell is movably inserted with a sealing cover.

More preferably, when the connector located outside the cabin is connected with the cabin outer door, the water tightness of the outlet position is realized through vulcanization.

More preferably, the glass sintering wire holder comprises a glass sintering wire holder shell, a binding post, a wire holder glass blank, a glass sintering wire holder fixing bolt and a glass sintering wire holder sealing ring, wherein the glass sintering wire holder shell, the binding post and the wire holder glass blank are combined together through sintering, and the binding post penetrates through the wire holder glass blank and is welded with the wire holder glass blank in double sides, so that the connection of an integral electrical link and the high-grade watertight requirement are realized. The wire holder glass embryo is fixedly connected with the glass sintering wire holder shell, the glass sintering wire holder shell is mounted on the cup-shaped pipe joint through the glass sintering wire holder fixing bolt, and the glass sintering wire holder sealing ring is arranged at the joint of the glass sintering wire holder shell and the outer cavity opening of the cup-shaped pipe joint.

More preferably, the contacts include a 6-core 15A current phi 1.61 contact and a 32-core 3A current phi 1 contact, and the terminals include a 36-core 15A current phi 1.61 terminal and a 192-core 3A current phi 1 terminal.

Preferably, the cup-shaped pipe joint is cylindrical.

Preferably, the sides of the cabin outer watertight box and the cabin inner watertight box are six-sided structures, and each side is provided with an opening for assembling the connector.

Compared with the prior art, the invention has the following beneficial effects:

(1) The invention is formed by splicing the pressure-bearing structure with the cavity structure of the cup-shaped pipe joint and the bottom surfaces of two hexagonal platforms, thereby forming a structure with large middle caliber and small caliber at two ends; after the watertight box outside the cabin is damaged, the pressure of the water body is overlarge and acts on the pressure-bearing structure and the pressure-bearing disc, so that the pressure-bearing structure moves into the cabin to act on the cavity structure of the cup-shaped pipe joint, the sealing performance is improved, and the sealing performance is stronger as the water pressure is higher; the sealing performance of the device is comprehensively improved through the combined action of the pressure-bearing structure and the cup-shaped pipe joint.

(2) According to the invention, through the structural design of the cable receiving pipe, when a cable passes through, the cable receiving pipe can be fixed, the cable receiving pipe has a pushing force to the glass sintering wire holder through the tensile force of the spring, and through the conical structural design of the cable receiving pipe, the force can act on the cable, so that the cable can be connected with the glass sintering wire holder more firmly, the installation firmness is improved, and meanwhile, the cable receiving pipe does not influence the cable when moving in a cabin relative to the cable, thereby facilitating unidirectional installation of the cable.

(3) According to the invention, through the structural design of the pressure-bearing structure and the watertight box in the cabin, when the watertight box outside the cabin is damaged, due to the sealing structural design of the pressure-bearing structure, the pressure-bearing structure and the cup-shaped pipe joint are continuously matched and kept in a sealing state under the action of water pressure, so that the cabin watertight box cover can be directly opened outside the cabin to further maintain and replace parts, and if the pressure of the pressure valve is reduced to be normal, the maintenance is successful, the pressure valve can be opened to remove residual water of the cup-shaped pipe joint to further be normal, and the maintenance efficiency is greatly improved.

(4) According to the invention, the watertight box in the cabin and the watertight box outside the cabin are connected with the cup-shaped pipe joint, and meanwhile, the glass sintering wiring seat is arranged in the cup-shaped pipe joint, so that multiple paths of cables with the same or different diameters and functions are integrated into one path of single-hole cabin penetrating, the number of the openings of the pressure bulkhead is reduced, the single opening connection of the bulkhead is realized, the risk of multi-point opening is reduced, and the watertight performance reliability of the joint of the cabin penetrating is ensured; according to the invention, through the combination design of the glass sintering wire holder with longitudinal seal and the connector with transverse seal, multiple waterproof barriers are realized while multi-point holes are avoided, and even if water leaks into the watertight box outside the cabin, water can not enter the cabin, so that equipment is damaged or larger loss is caused; meanwhile, the installation and the maintenance are convenient by matching with the design of the watertight box cover outside the cabin; the invention can realize that the whole wiring under the ship is finished and tested and then welded to the ship body finally, is convenient to operate, and greatly reduces the risk of high-altitude operation and the probability of wiring errors.

Drawings

FIG. 1 is a schematic structural view of a deepwater marine cable integrated cabin penetrating sealing device convenient to maintain;

FIG. 2 is a schematic diagram of the internal structure of the deepwater marine cable integrated cabin penetrating sealing device which is convenient to maintain;

FIG. 3 is a schematic diagram of a matching structure of an external watertight box, a cup-shaped pipe joint and a glass sintering wire holder of the integrated cabin penetrating sealing device for the deepwater ship cable, which is convenient to maintain;

FIG. 4 is a schematic diagram of a watertight box and cup-shaped pipe joint matching structure in a cabin of the integrated cabin penetrating sealing device for the deepwater ship cable, which is convenient to maintain;

FIG. 5 is a schematic diagram of a pressure bearing structure of a deepwater marine cable integrated cabin penetrating sealing device and a watertight box structure in a cabin, which are convenient to maintain;

fig. 6 is a schematic diagram of a pressure bearing structure of the deepwater ship cable integrated cabin penetrating sealing device and a watertight box part structure in a cabin, which are convenient to maintain.

The reference numerals are as follows:

1. a bulkhead; 2. a connector; 3. the watertight box cover outside the cabin; 4. an out-cabin watertight box; 5. glass sintering wire holder; 6. cup-shaped pipe joint; 7. a watertight box in the cabin; 21. a connector set screw; 22. a connector seal ring; 23. a connector housing; 24. sealing cover; 25. a connector glass blank; 26. a contact; 31. a box cover fixing bolt; 41. a watertight box body fixing bolt; 42. sealing rings of the watertight box cover outside the cabin; 51. glass sintering wire holder fixing bolts; 52. a sealing ring of the glass sintering wire holder; 53. a glass-sintered wire holder housing; 55. a wire holder glass blank; 56. binding posts; 61. a pressure valve; 62. sealing rings of the watertight box outside the cabin; 63. a cavity structure; 64. an external cavity port; 66. a cavity port; 67. a slide bar; 71. an adjusting nut; 72. a movable ring; 73. a connecting pipe is inserted; 74. a spring; 8. a pressure-bearing structure; 81. a pressure-bearing pipe; 83. a drainage port; 84. a connecting pipe; 85. a pressure-bearing disc; 86. and a cable receiving tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following examples. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Although the steps of the present invention are arranged by reference numerals, the order of the steps is not limited, and the relative order of the steps may be adjusted unless the order of the steps is explicitly stated or the execution of a step requires other steps as a basis. It is to be understood that the term "and/or" as used herein relates to and encompasses any and all possible combinations of one or more of the associated listed items.

Examples

As shown in fig. 1 to 6, the deepwater ship cable integrated cabin penetrating sealing device convenient to maintain comprises an out-cabin watertight box 4, a glass sintering wiring seat 5, a cup-shaped pipe joint 6, an in-cabin watertight box 7 and a connector 2; the outer side wall of the cup-shaped pipe joint 6 is welded with the bulkhead 1; the cabin inner watertight box 7 and the cabin outer watertight box 4 are respectively arranged inside and outside the bulkhead 1 and are in sealing connection with two ports of the cup-shaped pipe joint 6; a plurality of holes are uniformly formed in the side wall of the cabin inner watertight box 7 and the side wall of the cabin outer watertight box 4, and the holes are respectively and hermetically connected with the connector 2.

According to the invention, the watertight box 7 in the cabin and the watertight box 4 outside the cabin are connected with the cup-shaped pipe joint 6, and meanwhile, the glass sintering wiring seat 5 is arranged in the cup-shaped pipe joint, so that multiple paths of cables with the same or different diameters and functions are integrated into one path of single-hole cabin penetrating, the number of the holes of the pressure bulkhead is reduced, the single-hole connection of the bulkhead 1 is realized, the risk of multi-point hole penetrating is reduced, and the watertight performance reliability of the joint of the cabin penetrating is ensured.

The inner cavity of the cup-shaped pipe joint 6 is formed by splicing the bottom surfaces of two hexagonal platforms, so that a cavity structure 63 with a large middle caliber and small two ends caliber is formed; the two ends of the cavity structure 63 are communicated with an outer cavity opening 64 and an inner cavity opening 66, and the glass sintering wire holder 5 is arranged in the out-cabin watertight box 4 and is connected with the outer cavity opening 64 in a sealing way; a pressure bearing structure 8 is movably arranged in the cavity structure 63.

Preferably, the pressure-bearing structure 8 comprises a pressure-bearing pipe 81, the pressure-bearing pipe 81 and the cavity structure 63 have the same shape and smaller size than the cavity structure 63; one end of the pressure-bearing pipe 81, which is close to the cabin, is communicated with a connecting pipe 84, the outer wall of the connecting pipe 84 is in sliding connection with the inner cavity port 66, a pressure-bearing plate 85 is fixedly and hermetically arranged between the pressure-bearing pipe 81 and the connecting pipe 84, and a plurality of cable-bearing pipes 86 are communicated with the pressure-bearing plate 85.

The invention is formed by splicing the pressure-bearing structure 8 with the cavity structure 63 of the cup-shaped pipe joint 6 through the bottom surfaces of two hexagonal platforms, thereby forming a structure with large middle caliber and small caliber at two ends, under normal conditions, the movable ring 72 moves towards the cup-shaped pipe joint 6 due to the tensile force of the spring 73, and the pressure-bearing structure 8 is pushed to move to act on one side of the cavity structure 63 of the cup-shaped pipe joint 6, so that the sealing performance is further improved; after the outside-cabin watertight box 4 is damaged, the pressure of the water body is overlarge and acts on the pressure-bearing structure 8 and the pressure-bearing disc 85, so that the pressure-bearing structure 8 moves into the cabin to act on the cavity structure 63 of the cup-shaped pipe joint 6, the sealing performance is improved, and the sealing performance is stronger as the water pressure is larger; the sealing performance of the device is comprehensively improved through the combined action of the pressure-bearing structure 8 and the cup-shaped pipe joint 6.

More preferably, the cable receiving tube 86 has a tapered structure with elasticity, and the nozzle of the cable receiving tube 86 faces the pressure receiving tube 81; as the nozzle of the faucet tube 86 approaches, the tube diameter of the faucet tube 86 continues to decrease and the rate of decrease continues to decrease until it reaches 0.

More preferably, an insertion pipe 73 is arranged at one end of the cabin watertight box 7, the insertion pipe 73 and the inside of the connection pipe 84 are in sealing insertion connection, a movable ring 72 is outwards extended at the joint of the cabin watertight box 7 and the insertion pipe 73, a plurality of movable holes are uniformly formed in the movable ring 72, a plurality of sliding rods 67 are uniformly fixed at one end, close to the cabin watertight box 7, of the cup-shaped pipe joint 6, and the movable holes of the movable ring 72 are sleeved on the corresponding sliding rods 67 and are in sliding connection with the sliding rods 67; a spring 73 is sleeved on the sliding rod 67, and two ends of the spring 73 are fixedly connected with the movable ring 72 and the cup-shaped pipe joint 6 respectively; the end of the sliding rod 67, which is far away from the cup-shaped pipe joint 6, is provided with threads and is connected with an adjusting nut 71 in a threaded manner.

According to the invention, through the structural design of the cable bearing tube 86, when a cable passes through, the cable bearing tube 86 can be fixed, the cable bearing tube 86 has a pushing force to the glass sintering wire holder 5 through the tensile force of the spring 73, and through the conical structural design of the cable bearing tube 86, force can act on the cable, so that the cable can be finally connected with the glass sintering wire holder 5 more firmly, the installation firmness is improved, and meanwhile, the cable bearing tube 86 does not influence the cable when moving in a cabin relative to the cable, thereby facilitating unidirectional installation of the cable.

More preferably, a drainage port 83 is formed in the middle of the bottom of the pressure-bearing pipe 81, a pressure valve 61 is correspondingly installed and communicated in the middle of the bottom of the cup-shaped pipe joint 6, and the pressure valve 61 is located in the cabin.

According to the invention, through the structural design of the pressure-bearing structure 8 and the watertight box 7 in the cabin, when the watertight box 4 outside the cabin is damaged, due to the sealing structural design of the pressure-bearing structure 8, the pressure-bearing structure 8 and the cup-shaped pipe joint 6 are continuously matched and kept in a sealing state under the action of water pressure, so that the cabin exterior watertight box cover 3 can be directly opened outside the cabin to further maintain and replace components, if the pressure of the pressure valve 61 is reduced to be normal, the maintenance is successful, and at the moment, the pressure valve 61 can be opened to remove residual water of the cup-shaped pipe joint 6 to be normal, and the maintenance efficiency is greatly improved.

Preferably, the external watertight box 4 comprises an external watertight box cover 3, an external watertight box cover sealing ring 42, an external watertight box body, a box cover fixing bolt 31 and a watertight box body fixing bolt 41, the external watertight box cover 3 is fixedly arranged on the external watertight box body through the box cover fixing bolt 31, and the external watertight box cover sealing ring 42 is arranged at the joint of the external watertight box cover 3 and the external watertight box body; the outside watertight box body is arranged at an outside matching port of the cup-shaped pipe joint 6 through an outside watertight box body fixing bolt 41, and an outside watertight box sealing ring 62 is arranged at the joint of the outside watertight box body and the cup-shaped pipe joint 6.

More preferably, the junction of outer watertight box lid 3 and the outer watertight box body of cabin is equipped with axial seal groove and terminal surface seal groove, outer watertight box lid sealing washer 42 sets up in the seal groove, when outer watertight box lid 3 and the outer watertight box body of cabin cooperate, realizes junction double containment through the compression of outer watertight box lid sealing washer 42.

More preferably, an end face sealing groove is arranged at the joint of the outer watertight box body and the cup-shaped pipe joint 6, the outer watertight box sealing ring 62 is arranged in the sealing groove, and when the outer watertight box body and the cup-shaped pipe joint 6 are matched, the joint is sealed through compression of the outer watertight box sealing ring 62.

Preferably, the connector 2 includes a connector housing 23, a contact 26, a connector glass blank 25, a connector fixing screw 21 and a connector sealing ring 22, wherein the connector housing 23, the contact 26 and the connector glass blank 25 are bonded together by sintering, the contact 26 penetrates through the connector glass blank 25, the connector glass blank 25 is fixedly connected with the connector housing 23, and the connector sealing ring 22 is arranged at the connection part of the connector housing 23 and the opening of the watertight box; the connector shell 23 is arranged on the openings of the cabin exterior watertight box 4 and the cabin interior watertight box 7 through the connector fixing screw 21; the outer end of the connector housing 23 is movably inserted with a sealing cover 24.

More preferably, the connection part of the connector housing 23 and the watertight box opening is provided with an axial sealing groove and an end surface sealing groove, the connector sealing ring 22 is arranged in the sealing groove, and when the connector housing 23 is matched with the watertight box opening, double sealing of the connection part is realized through compression of the connector sealing ring 22.

When in use, the sealing cover 24 is unscrewed and then connected with the corresponding plug, so that the electric connection can be realized, and the connection part has a transverse sealing function.

More preferably, when the connector 2 located outside the cabin is connected with the cabin outer door, the water tightness of the outlet position is realized through vulcanization.

More preferably, the glass sintering wire holder 5 includes glass sintering wire holder casing 53, terminal 56, wire holder glass embryo 55, glass sintering wire holder fixing bolt 51 and glass sintering wire holder sealing washer 52, glass sintering wire holder casing 53, terminal 56 and wire holder glass embryo 55 are in the same place through the sintering, terminal 56 runs through wire holder glass embryo 55 and wire holder glass embryo 55 double-sided welding, wire holder glass embryo 55 and glass sintering wire holder casing 53 fixed connection possess vertical sealing and cross the function, glass sintering wire holder casing 53 passes through glass sintering wire holder fixing bolt 51 and installs on cup-shaped tube coupling 6, glass sintering wire holder sealing washer 52 sets up in the outer chamber mouth 64 junction of glass sintering wire holder casing 53 and cup-shaped tube coupling 6.

More preferably, the connection part of the glass sintering wire holder shell 53 and the cup-shaped pipe joint 6 is provided with an axial sealing groove and an end surface sealing groove, the glass sintering wire holder sealing ring 52 is arranged in the sealing groove, and when the outer glass sintering wire holder shell 53 is matched with the cup-shaped pipe joint 6, double sealing at the connection part is realized through compression of the glass sintering wire holder sealing ring 52.

More preferably, the contacts 26 comprise 6-core 15A current phi 1.61 contacts and 32-core 3A current phi 1 contacts, and the terminals 56 comprise 36-core 15A current phi 1.61 terminals and 192-core 3A current phi 1 terminals.

More preferably, the junction of cabin watertight box 7 and cup type tube coupling 6 is equipped with axial seal groove and terminal surface seal groove, cabin watertight box sealing washer 72 sets up in the seal groove, when cabin watertight box 7 and cup type tube coupling 6 cooperate, realizes junction double containment through cabin watertight box sealing washer 72 compression.

Preferably, the cup-shaped pipe joint 6 is cylindrical, and is made of the same material as the hull of the QD785 steel.

Preferably, the sides of the cabin exterior watertight box 4 and the cabin interior watertight box 7 are six-sided structures, and each side is provided with an opening for assembling the connector 2.

According to the invention, through the combination design of the glass sintering wire holder 5 with the longitudinal seal and the connector 2 with the transverse seal, a plurality of waterproof barriers are realized while multi-point holes are avoided, and even if water leaks into the watertight box 4 outside the cabin, the water can not enter the cabin, so that equipment is damaged or larger loss is caused; and meanwhile, the design of the watertight box cover 3 outside the cabin is matched, so that the installation and the maintenance are convenient.

The deepwater ship cable integrated cabin penetrating sealing device convenient to maintain is installed and connected in the following sequence:

s1, connecting the contact 26 of the connector 2 positioned on the cabin watertight box 7, then installing the contact on the opening of the cabin watertight box 7, then enabling a cable to pass through a corresponding cable receiving pipe 86, and installing the cabin watertight box 7 at the cabin port of the cup-shaped pipe joint 6;

s2, wiring the two sides of a binding post 56 of the glass sintering wire holder 5 and then installing the glass sintering wire holder into the cup-shaped pipe joint 6;

s3, mounting the outer watertight box 4 to the outer port of the cup-shaped pipe joint 6, and penetrating the loose wire out of the opening of the outer watertight box 4 and connecting the loose wire to the contact 26 of the connector 2 on the outer watertight box 4;

s4, mounting the connector 2 on the outer watertight box 4 on the opening of the outer watertight box 4, then mounting the outer watertight box cover 3 on the outer watertight box 4, and finally welding the cup-shaped pipe joint 6 to the bulkhead 1.

The invention can realize that the whole wiring under the ship is finished and tested and then welded to the ship body finally, is convenient to operate, and greatly reduces the risk of high-altitude operation and the probability of wiring errors.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and changes can be made by those skilled in the art without departing from the inventive concept and remain within the scope of the invention.

Claims (10)

1. The deepwater ship cable integrated cabin penetrating sealing device is convenient to maintain and is characterized by comprising an external cabin watertight box (4), a glass sintering wire holder (5), a cup-shaped pipe joint (6), an internal cabin watertight box (7) and a connector (2); the outer side wall of the cup-shaped pipe joint (6) is welded with the bulkhead (1); the cabin inner watertight box (7) and the cabin outer watertight box (4) are respectively arranged inside and outside the cabin wall (1) and are in sealing connection with two ports of the cup-shaped pipe joint (6); the side wall of the cabin inner watertight box (7) and the side wall of the cabin outer watertight box (4) are uniformly provided with a plurality of openings, and the openings are respectively and hermetically connected with a connector (2);

the inner cavity of the cup-shaped pipe joint (6) is formed by splicing the bottom surfaces of two hexagonal platforms, so that a cavity structure (63) with a large middle caliber and small two ends caliber is formed; two ends of the cavity structure (63) are communicated with an outer cavity opening (64) and an inner cavity opening (66), and the glass sintering wire holder (5) is arranged in the cabin outer watertight box (4) and is connected with the outer cavity opening (64) in a sealing manner; and a pressure-bearing structure (8) is movably arranged in the cavity structure (63).

2. The deepwater marine cable integrated cabin penetrating sealing device convenient to maintain according to claim 1, wherein the pressure-bearing structure (8) comprises a pressure-bearing pipe (81), the pressure-bearing pipe (81) is the same as the cavity structure (63) in shape and smaller in size than the cavity structure (63); one end of the pressure-bearing pipe (81) close to the cabin is communicated with a connecting pipe (84), the outer wall of the connecting pipe (84) is in sliding connection with the inner cavity opening (66), a pressure-bearing plate (85) is fixedly and hermetically arranged between the pressure-bearing pipe (81) and the connecting pipe (84), and a plurality of cable-bearing pipes (86) are communicated with the pressure-bearing plate (85).

3. The deepwater marine cable integrated cabin penetrating sealing device convenient to maintain according to claim 2, wherein the cable receiving pipe (86) is of an elastic conical structure, and a pipe orifice of the cable receiving pipe (86) faces one side of the pressure bearing pipe (81); the pipe diameter of the adapter tube (86) is continuously reduced when approaching the pipe orifice of the adapter tube (86), and the reducing speed is continuously reduced until 0.

4. The deepwater ship cable integrated cabin penetrating sealing device convenient to maintain according to claim 2, wherein an insertion pipe (73) is arranged at one end of the cabin watertight box (7), the insertion pipe (73) is in sealing insertion connection with the inside of a connecting pipe (84), a movable ring (72) is outwards extended at the joint of the cabin watertight box (7) and the insertion pipe (73), a plurality of movable holes are uniformly formed in the movable ring (72), a plurality of sliding rods (67) are uniformly fixed at one end, close to the cabin watertight box (7), of the cup-shaped pipe joint (6), and the movable holes of the movable ring (72) are sleeved on the corresponding sliding rods (67) and are in sliding connection with the sliding rods (67); a spring (73) is sleeved on the sliding rod (67), and two ends of the spring (73) are fixedly connected with the movable ring (72) and the cup-shaped pipe joint (6) respectively; one end of the sliding rod (67) far away from the cup-shaped pipe joint (6) is provided with threads and is in threaded connection with an adjusting nut (71).

5. The deepwater ship cable integrated cabin penetrating sealing device convenient to maintain according to claim 2, wherein a drainage port (83) is formed in the middle of the bottom of the pressure-bearing pipe (81), a pressure valve (61) is correspondingly arranged and communicated in the middle of the bottom of the cup-shaped pipe joint (6), and the pressure valve (61) is located in a cabin.

6. The deepwater marine cable integrated through-cabin sealing device convenient to maintain according to claim 1, wherein the out-cabin watertight box (4) comprises an out-cabin watertight box cover (3), an out-cabin watertight box cover sealing ring (42), an out-cabin watertight box body, a box cover fixing bolt (31) and a watertight box body fixing bolt (41), the out-cabin watertight box cover (3) is fixedly arranged on the out-cabin watertight box body through the box cover fixing bolt (31), and the out-cabin watertight box cover sealing ring (42) is arranged at the joint of the out-cabin watertight box cover (3) and the out-cabin watertight box body; the outside watertight box body is arranged at an outside matching port of the cup-shaped pipe joint (6) through an outside watertight box body fixing bolt (41), and an outside watertight box sealing ring (62) is arranged at the joint of the outside watertight box body and the cup-shaped pipe joint (6).

7. The deepwater marine cable integrated cabin penetrating sealing device convenient to maintain according to claim 1, wherein the connector (2) comprises a connector shell (23), a contact piece (26), a connector glass blank (25), a connector fixing screw (21) and a connector sealing ring (22), wherein the connector shell (23), the contact piece (26) and the connector glass blank (25) are combined together through sintering, the contact piece (26) penetrates through the connector glass blank (25), the connector glass blank (25) is fixedly connected with the connector shell (23), and the connector sealing ring (22) is arranged at the joint of the connector shell (23) and an opening of a watertight box; the connector shell (23) is arranged on the openings of the cabin outer watertight box (4) and the cabin inner watertight box (7) through the connector fixing screw (21); the outer end of the connector shell (23) is movably inserted with a sealing cover (24); when the connector (2) positioned outside the cabin is connected with the cabin outer door, the watertight outlet position is realized through vulcanization.

8. The deepwater ship cable integrated cabin penetrating sealing device convenient to maintain according to claim 7, wherein the glass sintering wire holder (5) comprises a glass sintering wire holder shell (53), a wiring holder (56), a wire holder glass blank (55), a glass sintering wire holder fixing bolt (51) and a glass sintering wire holder sealing ring (52), the glass sintering wire holder shell (53), the wiring holder (56) and the wire holder glass blank (55) are combined together through sintering, the wiring holder (56) penetrates through the wire holder glass blank (55) and is welded on two sides of the wire holder glass blank (55), the wire holder glass blank (55) is fixedly connected with the glass sintering wire holder shell (53), the glass sintering wire holder shell (53) is mounted on a cup-shaped pipe joint (6) through the glass sintering wire holder fixing bolt (51), and the glass sintering wire holder sealing ring (52) is arranged at a joint of the glass sintering wire holder shell (53) and an outer cavity opening (64) of the cup-shaped pipe joint (6).

9. The integrated deep water marine cable penetration seal of claim 8 wherein the contacts (26) comprise 6-core 15A current Φ1.61 contacts and 32-core 3A current Φ1 contacts, and the terminal (56) comprises 36-core 15A current Φ1.61 terminals and 192-core 3A current Φ1 terminals.

10. The deepwater marine cable integrated cabin penetrating sealing device convenient to maintain according to claim 1, wherein the sides of the cabin outer watertight box (4) and the cabin inner watertight box (7) are of six-sided structures, and each side is provided with an opening for assembling the connector (2).