WO2023050747A1 - 集束海底海缆接头盒 - Google Patents

集束海底海缆接头盒 Download PDF

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Publication number
WO2023050747A1
WO2023050747A1 PCT/CN2022/083842 CN2022083842W WO2023050747A1 WO 2023050747 A1 WO2023050747 A1 WO 2023050747A1 CN 2022083842 W CN2022083842 W CN 2022083842W WO 2023050747 A1 WO2023050747 A1 WO 2023050747A1
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WO
WIPO (PCT)
Prior art keywords
male
female
bundled
electrical
optical
Prior art date
Application number
PCT/CN2022/083842
Other languages
English (en)
French (fr)
Inventor
潘盼
林月霞
王海涛
胡明
张洪亮
倪沈辉
Original Assignee
中天科技海缆股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中天科技海缆股份有限公司 filed Critical 中天科技海缆股份有限公司
Priority to EP22874148.4A priority Critical patent/EP4280388A1/en
Publication of WO2023050747A1 publication Critical patent/WO2023050747A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H02G15/113—Boxes split longitudinally in main cable direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/007—Devices for relieving mechanical stress
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/013—Sealing means for cable inlets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • H01R13/562—Bending-relieving
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile

Definitions

  • the present application relates to the technical field of submarine cables, in particular to a joint box for bundled submarine cables.
  • a splice box includes a housing, a sealing end cover, an electrical connector and an optical connector.
  • the cores of the two bundled submarine submarine cables are respectively passed through the sealing end caps at both ends of the joint box and enter the interior of the shell through electrical connectors and optical connectors. to connect.
  • This application provides a splice box for a bundled submarine cable to solve the problem that when there are many electric circuit units and optical units of a bundled submarine cable with multiple three-core electric circuit units, the cable cores of two bundled submarine cables will be in the splice box. Inner connection messy problem.
  • the present application provides a splice box for a bundled submarine submarine cable, including a first anchor, a second anchor, a protective cover, at least three electrical connectors, at least one optical connector and a sealed cabin;
  • the first anchor piece and the second anchor piece are respectively fixed at both ends of the protective cover, the first anchor piece, the second anchor piece and the protective cover enclose a first sealed cavity, so
  • the sealed cabin is fixed in the first sealed chamber, the sealed cabin includes a male housing and a female housing, and the male housing and the female housing are detachable to form a second sealed chamber ;
  • the electrical connector includes an electrical plug male and an electrical plug female
  • the optical connector includes an optical male plug and an optical female plug, at least three of the electrical plugs and at least one of the
  • the male optical connector is fixed on the male housing
  • at least three of the electrical female connectors and at least one optical female connector are fixed on the female housing
  • at least three of the electrical connectors are fixed on the female housing.
  • the male electrical connectors and at least three female electrical connectors are correspondingly inserted into the second sealed cavity, so as to connect the electric wires of the two bundled submarine cables extending into the first sealed cavity.
  • the circuit units are connected in one-to-one correspondence, and at least one of the optical plug males and at least one of the optical plug females are plugged into the second sealed cavity in a one-to-one correspondence, so as to extend into the first sealed cavity
  • the optical units of the two bundled submarine cables are connected in one-to-one correspondence.
  • the male housing includes a male fixing plate and a first connecting pipe, the male fixing plate is vertically and fixedly connected to the first connecting pipe, and the male fixing plate is provided with at least three male The header electrical insertion channel and at least one male optical insertion channel, the positions of at least three of the male electrical insertion channels correspond to the positions of the electrical circuit units of the bundled submarine submarine cables, and at least one of the male connectors
  • the optical plug-in channel corresponds to the position of the optical unit of the bundled submarine cable, the electrical plug male is screwed to the male electrical plug-in channel, and the optical plug male head is connected to the male plug Optical plug channel threaded connection;
  • the female housing includes a female fixing plate and a second connecting pipe, the female fixing plate is vertically fixedly connected to the second connecting pipe, and the female fixing plate is provided with at least three female electrical sockets channels and at least one female optical plug channel, the positions of at least three of the female electrical plug channels correspond to the positions of the electrical circuit units of the bundled submarine cables, and at least one of the female optical plug channels Corresponding to the position of the optical unit of the bundled submarine cable, the electrical plug female is screwed to the female electrical plug channel, and the optical plug male is connected to the female optical plug channel threaded connection.
  • the male fixing plate and the first connecting pipe enclose a cavity with an open end
  • the female fixing plate and the second connecting pipe enclose a cavity with an open end
  • the second The connecting pipe is inserted into the first connecting pipe, the second connecting pipe abuts against the male fixing plate, the first connecting pipe abuts against the female fixing plate, and the male fixing The plate, the first connecting pipe, the female fixing plate and the second connecting pipe enclose the second sealed cavity.
  • a sealing groove and a sealing ring are arranged on the outer wall of the second connecting pipe, the sealing ring is installed in the sealing groove, the sealing groove is arranged along the circumferential direction, A plurality of sealing grooves are arranged at equal intervals in the axial direction of the seal.
  • fastening glue is provided between the electrical plug male and the male electrical plug channel, and the optical plug male and the male optical plug channel are provided with the Fastening glue, the fastening glue is provided between the electrical plug female head and the female electric plug-in channel, and the optical plug male head and the female optical plug-in channel are provided with The fastening glue.
  • one six-core male electrical insertion channel, six three-core male electrical insertion channels, and three male optical insertion channels are provided on the male housing, and the six-core male electrical insertion channel
  • the plug-in channel is located at the center of the male fixing plate
  • the six three-core male electrical plug-in channels are located outside the six-core male electrical plug-in channel
  • the six three-core male plug-in channels are The electrical socket channels are arranged at equal intervals along the circumferential direction with the three-core male electrical socket channel as the center
  • the three male optical socket channels are arranged between the six-core male electrical socket channel and the Between the three-core male electrical plug-in channels, the three male optical plug-in channels are arranged at equal intervals along the circumferential direction with the three-core male electrical plug-in channels as the center.
  • an adjustment lead screw is also included, the adjustment lead screw is located in the first sealed cavity, the adjustment lead screw is connected to the first anchor piece, the second anchor piece, the male head shell On the body and the female housing, the adjusting screw is used to connect and separate the male housing and the female housing.
  • the male housing is provided with four first screw holes, the four first screw holes are arranged at equal intervals along the circumferential direction, and the female housing is provided with four a second lead screw screw hole, four of the second lead screw screw holes are arranged equidistantly along the circumferential direction;
  • Each of the first screw holes of the male housing and each of the second screw holes of the female housing is configured with one adjusting screw, and the adjusting screw is provided with Left-handed screw threads, the first screw hole is matched with the left-handed screw thread of the adjustment screw, and the second screw hole is matched with the right-handed screw thread of the adjustment screw.
  • the first anchor includes a first anchor body and a first fixed baffle, a sheath hole is provided at one end of the first anchor body, a cavity is provided at the other end of the first anchor body, and the The cavity of the first anchoring body runs through the other end of the first anchoring body, the cavity of the first anchoring body communicates with the sheath hole, and the first fixing baffle is connected to the other end of the first anchoring body One end is fixed, and the first fixed baffle is provided with a cable core hole for the cable core of the bundled submarine cable to pass through;
  • the second anchor includes a second anchor body and a second fixed baffle, and the first One end of the two anchoring bodies is provided with a sheath hole, the other end of the second anchoring body is provided with a cavity, the cavity of the second anchoring body runs through the other end of the second anchoring body, and the second anchoring body The cavity communicates with the sheath hole, the second fixed baffle is fixed to the other end of the second anchor body, and the second fixed ba
  • the protective cover is a Haval type protective cover, and the protective cover includes a first cover body and a second cover body, the first cover body and the second cover body are butted to form a cylindrical cavity, and the first anchor A first fixing plate is provided on the outside of the body, a second fixing plate is provided on the outside of the second anchoring body, and the first fixing plate and the second fixing plate are fixed at both ends of the cylindrical cavity.
  • a bend limiter is also included, and one end of the first anchor piece and the second anchor piece away from the protective cover is connected to one bend limiter;
  • the bending limiter includes a plurality of hollow cylinders, one end of the hollow cylinders is provided with an annular groove, the other end of the hollow cylinders is provided with an annular protrusion, and the adjacent two hollow cylinders are The annular groove of one hollow cylinder is engaged with the annular protrusion of the other hollow cylinder.
  • the application provides a splice box for a bundled submarine cable, which uses an electrical connector and an optical connector to connect two bundled submarine cables.
  • Both the electrical connector and the optical connector include a male part and a female part, and the electrical connector and the optical connector
  • the male part of the plug-in is fixed on the male housing of the sealed cabin
  • the female parts of the electrical connector and the optical connector are fixed on the female housing of the sealed cabin
  • the sealed cabin is integrally connected, which can realize the one-by-one connection of each connector.
  • Corresponding plugging so as to avoid the problem of messy connection of the cable cores of the two bundled submarine cables in the bundled submarine cable joint box, and then effectively complete the internal cable core connection of the bundled submarine cable joint box, ensuring construction and operation Safety.
  • FIG. 1 is a schematic cross-sectional structure diagram of a bundled submarine cable provided by an embodiment of the present application
  • Fig. 2 is a schematic structural diagram of a splice box for a bundled submarine cable provided by an embodiment of the present application;
  • Fig. 3 is a schematic cross-sectional structure diagram of the bundled submarine cable joint box provided in Fig. 2;
  • Fig. 4 is a partial structural schematic diagram of the bundled submarine cable joint box provided in Fig. 2;
  • Fig. 5 is a partial structural schematic diagram of the bundled submarine cable joint box provided in Fig. 4;
  • Fig. 6 is a schematic structural view of the male housing of the airtight compartment provided in Fig. 2;
  • Fig. 7 is a schematic structural diagram of another state of the male housing provided in Fig. 6;
  • Fig. 8 is a schematic structural view of the female head housing of the airtight compartment provided in Fig. 2;
  • Fig. 9 is a schematic structural view of the female housing and the sealing ring provided in Fig. 8;
  • Fig. 10 is a schematic structural view of the first anchor body of the first anchor provided in Fig. 2;
  • FIG. 11 is a schematic structural view of the first cover body of the protective cover provided in FIG. 2 .
  • 61-male housing 611-male fixing plate; 6111-male electrical socket channel;
  • 6112-male optical plug-in channel 6113-the first screw hole; 612-the first connecting pipe;
  • 80-bend limiter 100-bunch submarine cable; 110-sheath;
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as “first” and “second” may explicitly or implicitly include at least one of these features. In the description of the present application, “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • the terms “installation”, “connection”, “fixation” and other terms should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit.
  • installation can be a fixed connection, a detachable connection, or an integrated ; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit.
  • a first feature being "on” or “under” a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirect through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • a splice box includes a housing, a sealing end cover, an electrical connector and an optical connector.
  • the cores of the two bundled submarine submarine cables are respectively passed through the sealing end caps at both ends of the joint box and enter the interior of the shell through electrical connectors and optical connectors. to connect.
  • electrical connectors and optical connectors to connect.
  • the present application provides a splice box for a bundled submarine cable, which uses an electrical connector and an optical connector to connect two bundled submarine cables.
  • Both the electrical connector and the optical connector include a male part and a female part.
  • the male part of the electrical connector and the optical connector is fixed on the male housing of the sealed cabin
  • the female part of the electrical connector and the optical connector is fixed on the female housing of the sealed cabin
  • the sealed cabin is integrally connected to realize each
  • the one-to-one corresponding insertion of the connectors can avoid the problem of messy connection of the cable cores of the two bundled submarine cables in the bundled submarine cable joint box, and can effectively complete the cable core connection inside the bundled submarine cable joint box , to ensure construction and operation safety.
  • FIG. 1 is a schematic cross-sectional structure diagram of a bundled submarine cable provided by an embodiment of the present application
  • Fig. 2 is a schematic structural diagram of a joint box of a bundled submarine cable provided by an embodiment of the present application
  • Fig. 3 is a bundled submarine cable provided in Fig. 2
  • FIG. 4 is a partial structural schematic diagram of the bundled submarine submarine cable joint box provided in FIG. 2
  • FIG. 5 is a partial structural schematic diagram of the bundled submarine submarine cable joint box provided in FIG. 4 .
  • the embodiment of the present application provides a joint box for a bundled submarine submarine cable, including a first anchor 10, a second anchor 20, a protective cover 30, an electrical connector 40, an optical connector 50 and Sealed cabin 60.
  • the bundled submarine submarine cable 100 includes a sheath 110 , an armored steel wire 120 and a cable core 130 sequentially from the inside to the outside.
  • the cable core 130 includes an electrical circuit unit 131 and an optical unit 132 .
  • the electrical circuit unit 131 includes a plurality of three-core electrical circuit units.
  • the first anchor piece 10 and the second anchor piece 20 are respectively fixed on the two ends of the protective cover 30, the first anchor piece 10, the second anchor piece 20 and the protective cover 30 encircle the first sealed cavity 301, the first anchor piece 10 uses When one of the bundled submarine cables that needs to be connected is fixed and the core of the bundled submarine cable is inserted into the first sealed cavity 301, the second anchor 20 is used to fix the other bundled submarine cable that needs to be connected.
  • the cable cores of the bundled submarine cables extend into the first sealed cavity 301 .
  • the shape of the first sealed cavity 301 may be cylindrical or other shapes, which are not specifically set here.
  • the electrical connector 40 includes an electrical connector male 41 and an electrical connector female 42, and one end of the electrical connector 41 is used to connect the electrical circuit unit 131 of the cable core 130 of one of the bundled submarine submarine cables 100 that needs to be connected.
  • One end of the electrical plug female 42 is used to connect the electrical circuit unit 131 of the cable core 130 of another bundled submarine submarine cable 100 that needs to be connected, and the other end of the electrical plug male 41 and the other end of the electrical plug female 42 Plug connection at one end.
  • the number of electrical connectors 40 corresponds to the number of electrical circuit units 131 of the cable core 130 .
  • the electrical circuit unit 131 corresponding to the two cable cores 130 that need to be connected is equipped with an electrical connector 40 .
  • the optical connector 50 includes an optical plug male 51 and an optical plug female 52.
  • One end of the optical plug male 51 is connected to the optical unit 132 of one of the cable cores of the submarine submarine cable that needs to be connected, and the optical plug female 52
  • One end of the optical unit 132 is used to connect the cable core of another bundled submarine submarine cable that needs to be connected, and the other end of the optical male connector 51 is connected to the other end of the optical female connector 52 by plugging.
  • the number of optical connectors 50 corresponds to the number of optical units 132 of the cable core 130 .
  • one optical connector 50 is configured corresponding to the optical unit 132 of the two cable cores 130 that need to be connected.
  • the sealed cabin 60 is fixed in the first sealed chamber 301, the sealed cabin 60 includes a male housing 61 and a female housing 62, the male housing 61 and the female housing 62 detachably enclose the second sealed chamber 601,
  • the electrical connector male 41 and the optical connector 51 are fixed on the male housing 61, the electrical connector 42 and the optical connector 52 are fixed on the female housing 62, the electrical connector 41 and the electrical
  • the female connector 42 is inserted into the second sealed cavity 601 , and the male optical connector 51 and the female optical connector 52 are inserted into the second sealed cavity 601 .
  • the shape of the second sealed cavity 601 may be cylindrical, or other shapes, which are not specifically set here.
  • a plurality of electrical plug males 41 are arranged on the male housing 61, and the positions of the plurality of electrical plug males 41 correspond to the positions of the electric circuit unit 131 of the cable core 130.
  • At least one male optical connector 51 is disposed on the male housing 61 , and the position of the at least one male optical connector 51 corresponds to the position of the optical unit 132 of the cable core 130 .
  • a plurality of electrical plug female connectors 42 are arranged on the female connector housing 62 , and the positions of the plurality of electrical connector female connectors 42 correspond to the positions of the electrical circuit unit 131 of the cable core 130 .
  • At least one optical connector 52 is disposed on the female housing 62 , and the position of the at least one optical connector 52 corresponds to the position of the optical unit 132 of the cable core 130 .
  • a plurality of electrical connector males 41 and a plurality of electrical connector females 42 are plugged into the second sealed cavity 601 one by one, so as to extend the electrical connections of the two bundled submarine submarine cables 100 into the first sealed cavity 301.
  • the loop units 131 are connected in one-to-one correspondence.
  • At least one optical plug male head 51 and at least one optical plug female head 52 are inserted in the second sealed cavity 601 in one-to-one correspondence, so as to connect the light of the two bundled submarine submarine cables 100 extending into the first sealed cavity 301.
  • the units 132 are connected in one-to-one correspondence.
  • At least three electrical socket males 41 and at least one optical socket male 51 are fixed on the male housing 61, and at least three electrical socket females 42 and at least one optical socket
  • the female plug 52 is fixed on the female housing 62, and at least three male plugs 41 and at least three female plugs 42 are plugged into the second sealed cavity 601 one by one, so as to extend into
  • the electrical circuit units 131 of the two bundled submarine submarine cables 100 in the first sealed cavity 301 are connected in one-to-one correspondence, and at least one optical plug male 51 and at least one optical plug female 52 are plugged in one-to-one in the second sealed cavity.
  • the optical units 132 of the two bundled submarine submarine cables 100 protruding into the first sealed cavity 301 are connected in one-to-one correspondence.
  • the bundled submarine cable joint box provided in the embodiment of the present application uses an electrical connector 40 and an optical connector 50 to realize the connection of two bundled submarine cables.
  • Both the electrical connector 40 and the optical connector 50 include a male part and a female part.
  • the male part of the electrical connector 40 and the optical connector 50 is fixed on the male housing 61 of the sealed cabin 60
  • the female part of the electrical connector 40 and the optical connector 50 is fixed on the female housing 62 of the sealed cabin 60
  • the overall docking of the sealed cabin 60 can realize the one-to-one corresponding insertion of each connector, thereby avoiding the problem of messy connection of the cable cores 130 of the two bundled submarine submarine cables 100 in the bundled submarine cable joint box, and effectively Complete the internal cable core connection of the bundled submarine cable joint box to ensure the safety of construction and operation.
  • the electrical connector 40 and the optical connector 50 are integrated on the male housing 61 and the female housing 62 of the airtight cabin 60, and dry plugging is used to realize the overall docking and disassembly, so as to avoid two bundled submarine cables.
  • the cable core 130 of 100 has the problem of messy connection in the splice box of the bundled submarine submarine cable, and at the same time reduces the overall size of the splice box of the bundled submarine submarine cable, ensuring the safety of transportation and construction.
  • FIG. 6 is a structural schematic diagram of the male housing of the airtight cabin provided in Fig. 2;
  • Fig. 7 is a schematic structural diagram of another state of the male housing provided in Fig. 6;
  • Fig. 8 is a female housing of the airtight cabin provided in Fig. 2 Schematic diagram of the structure of the header housing;
  • FIG. 9 is a schematic diagram of the structure of the female header housing and the sealing ring provided in FIG. 8 .
  • the male housing 61 includes a male fixing plate 611 and a first connecting pipe 612.
  • the male fixing plate 611 is vertically fixedly connected to the first connecting pipe 612.
  • the male fixing plate 611 is provided with at least three male electrical insertion channels 6111 and at least one male optical insertion channel 6112.
  • the positions of the at least three male electrical insertion channels 6111 are the same as those of the electrical circuit unit 131 of the bundled submarine submarine cable 100.
  • the position of at least one male optical insertion channel 6112 corresponds to the position of the optical unit 132 of the bundled submarine cable 100, the electrical plug male 41 is screwed to the male electrical insertion channel 6111, and the optical male plug 51 is threadedly connected with the male optical plug channel 6112.
  • the shape of the male head fixing plate 611 can be circular or other shapes, which are not specifically set here.
  • the shape of the male electrical socket channel 6111 is cylindrical.
  • the shape of the male optical insertion channel 6112 is cylindrical.
  • the shape of the first connecting pipe 612 is a cylindrical pipe.
  • the first connecting pipe 612 is fixed on the male fixing plate 611 along the axial direction of the first connecting pipe 612.
  • the male fixing plate 611 and the first connecting pipe 612 form a cavity with an open end, and the male electrical socket channel 6111 Both the male optical insertion channel 6112 communicate with the cavity of the male housing 61 .
  • a fastening glue is provided between the electrical plug 41 and the male electrical plug channel 6111 , and a glue is provided between the optical plug male 51 and the male optical plug channel 6112 .
  • Fastening glue can be resin glue or other glue, and no specific setting is made here.
  • the female housing 62 includes a female fixing plate 621 and a second connecting pipe 622.
  • the female fixing plate 621 is vertically fixedly connected to the second connecting pipe 622.
  • the female fixing plate 621 There are at least three female electrical insertion channels 6211 and at least one female optical insertion channel 6212, and the positions of the at least three female electrical insertion channels 6211 correspond to the positions of the electrical circuit unit 131 of the bundled submarine cable 100 , the position of at least one female optical plug-in channel 6212 corresponds to the position of the optical unit 132 of the bundled submarine cable 100, the electrical plug female 42 is screwed to the female electrical plug-in channel 6211, and the optical plug female 52 It is threadedly connected with the female optical socket channel 6212.
  • the shape of the female fixing plate 621 can be circular, or other shapes, which are not specifically set here.
  • the shape of the female electrical socket channel 6211 is cylindrical.
  • the shape of the female optical insertion channel 6212 is cylindrical.
  • the shape of the second connecting pipe 622 is a cylindrical pipe.
  • the second connecting pipe 622 is fixed on the female fixing plate 621 along the axial direction of the second connecting pipe 622.
  • the female fixing plate 621 and the second connecting pipe 622 form a cavity with an open end, and the female electrical socket channel 6211 Both the optical plug-in channel 6212 of the female connector communicate with the cavity of the female connector housing 62 .
  • a fastening glue is provided between the electrical plug female 42 and the female electrical plug-in channel 6211, and a glue is provided between the optical plug female 52 and the female optical plug-in channel 6212.
  • Fastening glue can be resin glue or other glue, and no specific setting is made here.
  • the male housing 61 is provided with one six-core male electrical insertion channel, six three-core male electrical insertion channels and three male optical insertion channels.
  • the male electrical socket is located at the center of the male fixing plate 611, the six three-core male electrical sockets are located outside the six-core male electrical socket, and the six three-core male electrical sockets are connected by three
  • the electrical plug-in channel of the core male head is set at equal intervals along the circumferential direction at the center, and the three optical plug-in channels of the male head are set between the electrical plug-in channel of the six-core male head and the electrical plug-in channel of the three-core male head.
  • the optical plug-in channel of the head is set at equal intervals along the circumferential direction with the three-core male electrical plug-in channel as the center, the six-core male electrical plug-in channel is used to fix the six-core electrical plug-in male 41, the three-core male electrical The insertion channel is used to fix the three-core electrical plug connector 41, and the male optical plug channel is used to fix the optical plug connector 51;
  • the female connector housing 62 is provided with a six-core female connector electrical connector channel, six Three-core female electrical sockets and three female optical sockets, six-core female electrical sockets are located on the center of the female fixing plate 621, and six three-core female electrical sockets are located on six-core sockets
  • six three-core female electrical plug-in channels are arranged at equal intervals along the circumferential direction with the three-core female electrical plug-in channel as the center, and the three female optical plug-in channels are arranged on the six-core female plug-in channel.
  • the three female optical connection channels are arranged at equal intervals along the circumferential direction with the three-core female electrical connection channel as the center, and the six-core female electrical connection
  • the insertion channel is used to fix the six-core electrical socket connector 42
  • the three-core male electrical connector channel is used to fix the three-core electrical socket connector 42
  • the female optical connector channel is used to fix the optical socket connector 52 .
  • the second connecting pipe 622 of the female housing 62 is inserted into the first connecting pipe 612 of the male housing 61, the second connecting pipe 622 abuts against the male fixing plate 611, and the first The connecting tube 612 abuts against the female fixing plate 621, the male fixing plate 611, the first connecting tube 612, the female fixing plate 621 and the second connecting tube 622 enclose a second sealed cavity 601, the male housing 61
  • the electrical connector male 41 and the electrical connector 42 of the female housing 62 are plugged in one-to-one correspondence, and the optical male connector 51 on the male housing 61 and the optical female connector 52 are connected in one-to-one correspondence , so as to realize the integral docking of the electrical connector 40 and the optical connector 50 on the sealed cabin 60, thereby reducing operation time and saving construction costs, and at the same time reducing the risk of rework.
  • the male housing 61 and the female housing 62 move in opposite directions, so that the electrical connector 40 and the optical connector 50 on the sealed compartment 60 are disassembled as a whole.
  • the male housing 61 and the female housing 62 can be connected with the bundled submarine cable respectively in the supplier's factory, on the shore wharf, or on a construction ship with better assembly conditions.
  • the cable core 130 of 100 is installed, and then the docking installation and underwater construction are quickly completed at sea.
  • a sealing groove 6221 and a sealing ring 6222 are provided on the outer wall of the second connecting pipe 622 , the sealing ring 6222 is installed in the sealing groove 6221 , the sealing groove 6221 is arranged along the circumferential direction, and in the axial direction of the second connecting pipe 622 A plurality of sealing grooves 6221 are arranged at equal intervals, and each sealing groove 6221 is equipped with a sealing ring 6222, so that the overall sealing can be realized after the cable core 130 is plugged in, so that the bundled submarine cable joint box meets the sealing requirements of large water depths.
  • sealing ring 6222 can be an O-shaped rubber ring, or other rubber rings, and no specific setting is made here.
  • the joint box of the bundled submarine submarine cable also includes an adjustment screw 70, the adjustment screw 70 is located in the first sealed cavity 301, and the adjustment screw 70 is connected to the first anchor 10, the second anchor 20, the male shell On the body 61 and the female housing 62 , the adjusting screw 70 is used to connect and separate the male housing 61 and the female housing 62 .
  • the quantity of the adjusting screw 70 is an even group.
  • the adjustment of the adjusting lead screw 70 adopts a symmetrical manner to ensure that the displacement of the sealed cabin 60 is evenly stressed and the sealing ring is not crushed.
  • the male housing 61 is provided with four first screw holes 6113, the four first screw holes 6113 are arranged at equal intervals along the circumferential direction, and the female housing 62
  • Four second screw holes 6213 are arranged on the top, and the four second screw holes 6213 are arranged at equal intervals along the circumferential direction; each first screw hole 6113 of the male housing 61 is connected with the female housing
  • Each second lead screw screw hole 6213 of 62 is equipped with an adjusting lead screw 70, and the adjusting lead screw 70 is provided with a left-handed lead screw thread, and the first lead screw screw hole 6113 cooperates with the left-hand lead screw thread of the adjustment lead screw 70.
  • the two lead screw screw holes 6213 are threadedly matched with the right-handed lead screw of the adjustment lead screw 70, so as to realize the docking and separation of the male housing 61 and the female housing 62, and then realize the electrical connector 40 and the optical connection on the sealed cabin 60.
  • the connectors 50 are docked accurately and slowly, avoiding uneven force application or crushing of the sealing ring 6222 caused by manual docking.
  • Fig. 10 is a schematic structural view of the first anchor body of the first anchor provided in Fig. 2;
  • Fig. 11 is a schematic structural view of the first cover body of the protective cover provided in Fig. 2 .
  • the first anchor 10 includes a first anchor body 11 and a first fixed baffle 12, one end of the first anchor body 11 is provided with a sheath hole 111, the other end of the first anchor body is provided with a cavity 112, and the first anchor body 11 is provided with a sheath hole 111.
  • the cavity 112 of the anchor body 11 runs through the other end of the first anchor body 11, the cavity 112 of the first anchor body 11 communicates with the sheath hole 111, and the first fixed baffle 12 is fixed to the other end of the first anchor body 11 , the first fixed baffle 12 is provided with a cable core hole 121 for the cable core 130 of the bundled submarine submarine cable 100 to pass through.
  • the shape of the sheath hole 111 is cylindrical, and the sheath hole 111 is used to limit and fix the sheath 110 of one of the bundled submarine cables 100 to be spliced.
  • the shape of the cavity 112 is a rounded frustum.
  • the cavity 112 is used to limit and fix the umbrella-shaped armored steel wire 120 of one of the bundled submarine submarine cables 100 that needs to be spliced.
  • the sheath 110 is cut off at a designated position, and the armored steel wire 120 is cut off at a designated position.
  • a first fixing plate 113 is disposed on the outer side of the first anchoring body 11 , the shape of the first fixing plate 113 is cylindrical, and the first fixing plate 113 is used for fixed connection with the protective cover 30 .
  • the structure of the second anchor 20 is the same as that of the first anchor 10 .
  • the second anchor 20 includes a second anchor body and a second fixing baffle.
  • One end of the second anchor body is provided with the same sheath hole as the sheath hole 111 of the first anchor body 11, and the other end of the second anchor body is provided with the same cavity as the cavity 112 of the first anchor body 11, and the second anchor body 11 is provided with the same cavity.
  • the baffle is provided with the same core hole as the core hole 121 of the first fixed baffle 12 .
  • the second anchoring body is provided with a second fixing plate identical to the first fixing plate 113 of the first anchoring body 11.
  • the shape of the second fixing plate is cylindrical, and the second fixing plate is used for fixed connection with the protective cover 30.
  • the protective cover 30 is a Haval type protective cover.
  • the protective cover 30 includes a first cover body 31 and a second cover body 32.
  • the first cover body 31 and the second cover body 32 are butted to form a cylindrical cavity.
  • the first fixing plate 113 and the second cover body Two fixing plates are fixed at both ends of the cylindrical cavity of the protective cover 30 .
  • the first cover body 31 is provided with a sealing wall 311 and two fixing walls 312, the sealing wall 311 is in the shape of a semi-circular ring, the two fixing walls 312 are in the shape of a cuboid, and the two fixing walls 312 are located between the sealing walls 311.
  • both axial ends of the sealing wall 311 are provided with a plurality of threaded holes, and the threaded holes at both ends of the sealing wall 311 are arranged at equal intervals along the circumferential direction
  • the fixed wall 312 is provided with a plurality of threaded holes, and the fixed wall 312
  • a plurality of threaded holes on the protective cover 30 are arranged at equal intervals along the axial direction of the protective cover 30 .
  • the shape of the second cover body 32 is the same as that of the first cover body 31 .
  • the first cover body 31 and the second cover body 32 are fixedly connected by bolts, the first cover body 31 is fixedly connected with the first fixing plate 113 and the second fixing plate respectively by bolts, and the second cover body 32 is respectively connected with the first fixing plate 113 and the second fixing plate by bolts.
  • a fixed plate 113 is fixedly connected with the second fixed plate, and the first cover body 31, the second cover body 32, the first fixed plate 113 and the second fixed plate form a first sealed cavity 301, which can prevent seawater from entering the first sealed cavity 301, so as to realize the protection of the cable core 130 and the sealed cabin 60, so that the joint box of the bundled submarine submarine cable meets the construction load requirements of large water depths, and also meets the protection requirements of deep water pressure.
  • the joint box of the bundled submarine cable also includes a bend limiter 80, and the end of the first anchor 10 and the second anchor 20 away from the protective cover 30 is connected to a bend limiter 80, so as to realize the bending limiter 80 of the bundled submarine cable. Bending protection.
  • the bending limiter 80 includes a plurality of hollow cylinders, one end of the hollow cylinder is provided with an annular groove, the other end of the hollow cylinder is provided with an annular protrusion, and the hollow cylinder of one of the two adjacent hollow cylinders The annular groove is snap-connected with the annular protrusion of another hollow cylinder.

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Abstract

本申请提供一种集束海底海缆接头盒，涉及海底电缆技术领域。其中，集束海底海缆接头盒包括第一锚固件、第二锚固件、保护罩、至少三个电接插件、至少一个光接插件和密封舱。采用电接插件和光接插件实现两个集束海底海缆的接续，电接插件和光接插件均包括公头部分和母头部分，电接插件和光接插件的公头部分固定在密封舱的公头壳体上，电接插件和光接插件的母头部分固定在密封舱的母头壳体上，密封舱整体对接，可实现各个接插件的一一对应接插，从而可避免两个集束海底海缆的缆芯在集束海底海缆接头盒内出现连接凌乱的问题，进而可有效的完成集束海底海缆接头盒内部缆芯接续，确保施工和运行安全。

Description

集束海底海缆接头盒
本申请要求于2021年09月29日提交中国专利局、申请号为202111148596.6、申请名称为“集束海底海缆接头盒”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及海底电缆技术领域，尤其涉及一种集束海底海缆接头盒。
背景技术
随着渤海油田的深入开发，边际油田开发项目比重逐渐加大。产能低和效益差的边际油田，需要采用变频器远程控制水下井口电潜泵才能提升产量和适应逐年配产。边际油田由于分散范围大和坐落距离远，需要通过新建平台来控制周围多井口的电力输送。连接依托平台和新建平台之间的传统三芯海缆已经不能满足多井口之间变频驱动要求。多个三芯电回路单元的集束海底海缆的投运是实现无人值守平台应用、集中开发多口油井、缩减施工成本、降低环境污染的有效途径。当多个三芯电回路单元的集束海底海缆受损时，需要制作接头盒对其进行修复。
相关技术中，接头盒包括外壳、密封端盖、电接插件和光接插件，外壳的形状为圆环状，外壳的两端分别设置有密封端盖，电接插件和光接插件位于外壳内部。两个需要接续的多个三芯电回路单元的集束海底海缆连接时，将两个集束海底海缆的缆芯分别穿设接头盒两端的密封端盖进入外壳内部通过电接插件和光接插件进行连接。
然而，对于多个三芯电回路单元的集束海底海缆的电回路单元和光单元较多时，会出现两个集束海底海缆的缆芯在接头盒内连接凌乱的问题。
发明内容
本申请提供一种集束海底海缆接头盒，以解决对于多个三芯电回路单元的集束海底海缆的电回路单元和光单元较多时，会出现两个集束海底海缆的缆芯在接头盒内连接凌乱的问题。
本申请提供一种集束海底海缆接头盒，包括第一锚固件、第二锚固件、保护罩、至少三个电接插件、至少一个光接插件和密封舱；
所述第一锚固件和所述第二锚固件分别固定在所述保护罩的两端，所述第一锚固件、所述第二锚固件和所述保护罩围成第一密封腔，所述密封舱固定在所述第一密封腔中，所述密封舱包括公头壳体和母头壳体，所述公头壳体和所述母头壳体可拆卸的围成第二密封腔；
所述电接插件包括电接插公头和电接插母头，所述光接插件包括光接插公头和光接插母头，至少三个所述电接插公头和至少一个所述光接插公头固定在所述公头壳体上，至少三个所述电接插母头和至少一个所述光接插母头固定在所述母头壳体上，至少三个所述电接插公头和至少三个所述电接插母头一一对应接插在所述第二密封腔中，以将伸入所述第一密封腔内的两个集束海底海缆的电回路单元一一对应连接，至少一个所述光接插公头和至少一个所述光接插母头一一对应接插在所述第二密封腔中，以将伸入所述第一密封腔内的两个集束海底海缆的光单元一一对应连接。
可选地，所述公头壳体包括公头固定板和第一连接管，所述公头固定板与所述第一连接管垂直固定连接，所述公头固定板设置有至少三个公头电接插通道和至少一个公头光接插通道，至少三个所述公头电接插通道的位置与所述集束海底海缆的电回路单元的位置相对应，至少一个所述公头光接插通道与所述集束海底海缆的光单元的位置相对应，所述电接插公头与所述公头电接插通道螺纹连接，所述光接插公头与所述公头光接插通道螺纹连接；
所述母头壳体包括母头固定板和第二连接管，所述母头固定板与所述第二连接管垂直固定连接，所述母头固定板设置有至少三个母头电接插通道和至少一个母头光接插通道，至少三个所述母头电接插通道的位置与所述集束海底海缆的电回路单元的位置相对应，至少一个所述母头光接插通道与所述集束海底海缆的光单元的位置相对应，所述电接插母头与所述母头电接插通道螺纹连接，所述光接插公头与所述母头光接插通道螺纹连接。
可选地，所述公头固定板和所述第一连接管围成一端开口的腔体，所述母头固定板和所述第二连接管围成一端开口的腔体，所述第二连接管插设在所述第一连接管中，所述第二连接管与所述公头固定板相抵接，所述 第一连接管与所述母头固定板相抵接，所述公头固定板、所述第一连接管、所述母头固定板和所述第二连接管围成所述第二密封腔。
可选地，所述第二连接管的外壁上设置有密封槽和密封圈，所述密封圈安装在所述密封槽中，所述密封槽沿着圆周方向设置，在所述第二连接管的轴向上等间距设置多个所述密封槽。
可选地，所述电接插公头与所述公头电接插通道之间设置有紧固胶，所述光接插公头与所述公头光接插通道之间设置有所述紧固胶，所述电接插母头与所述母头电接插通道之间设置有所述紧固胶，所述光接插公头与所述母头光接插通道之间设置有所述紧固胶。
可选地，所述公头壳体上设置有一个六芯公头电接插通道、六个三芯公头电接插通道和三个所述公头光接插通道，所述六芯公头电接插通道位于所述公头固定板的中心上，六个所述三芯公头电接插通道位于所述六芯公头电接插通道的外侧，六个所述三芯公头电接插通道以所述三芯公头电接插通道为中心沿着圆周方向等间距设置，三个所述公头光接插通道设置在所述六芯公头电接插通道和所述三芯公头电接插通道之间，三个所述公头光接插通道以所述三芯公头电接插通道为中心沿着圆周方向等间距设置。
可选地，还包括调节丝杠，所述调节丝杠位于所述第一密封腔中，所述调节丝杠连接在所述第一锚固件、所述第二锚固件、所述公头壳体和所述母头壳体上，所述调节丝杠用于使所述公头壳体和所述母头壳体的对接和分离。
可选地，所述公头壳体上设置有四个第一丝杠螺孔，四个所述第一丝杠螺孔沿着圆周方向等间距设置，所述母头壳体上设置有四个第二丝杠螺孔，四个所述第二丝杠螺孔沿着圆周方向等间距设置；
所述公头壳体的每个所述第一丝杠螺孔与所述母头壳体的每个所述第二丝杠螺孔配置一个所述调节丝杠，所述调节丝杠设置有左右旋丝杠螺纹，所述第一丝杠螺孔与所述调节丝杠的左旋丝杠螺纹配合，所述第二丝杠螺孔与所述调节丝杠的右旋丝杠螺纹配合。
可选地，所述第一锚固件包括第一锚固本体和第一固定挡板，所述第一锚固本体一端设置有护套孔，所述第一锚固本体另一端设置有空腔，所 述第一锚固本体的空腔贯穿所述第一锚固本体的另一端，所述第一锚固本体的空腔与护套孔相连通，所述第一固定挡板与所述第一锚固本体的另一端固定，所述第一固定挡板设置有用于所述集束海底海缆的缆芯穿过的缆芯孔；所述第二锚固件包括第二锚固本体和第二固定挡板，所述第二锚固本体一端设置有护套孔，所述第二锚固本体另一端设置有空腔，所述第二锚固本体的空腔贯穿所述第二锚固本体的另一端，所述第二锚固本体的空腔与护套孔相连通，所述第二固定挡板与所述第二锚固本体的另一端固定，所述第二固定挡板设置有用于所述集束海底海缆的缆芯穿过的缆芯孔；
所述保护罩为哈弗式保护罩，所述保护罩包括第一罩体和第二罩体，所述第一罩体和所述第二罩体对接围成圆柱空腔，所述第一锚固本体的外侧设置有第一固定板，所述第二锚固本体的外侧设置有第二固定板，所述第一固定板和所述第二固定板固定在所述圆柱空腔的两端。
可选地，还包括弯曲限制器，所述第一锚固件和所述第二锚固件远离所述保护罩的一端均连接一个所述弯曲限制器；
所述弯曲限制器包括多个空心圆柱体，所述空心圆柱体的一端设置有环形凹槽，所述空心圆柱体的另一端设置有环形凸起，相邻两个所述空心圆柱体中的一个所述空心圆柱体的环形凹槽与另一个所述空心圆柱体的环形凸起卡合连接。
本申请提供一种集束海底海缆接头盒，采用电接插件和光接插件实现两个集束海底海缆的接续，电接插件和光接插件均包括公头部分和母头部分，电接插件和光接插件的公头部分固定在密封舱的公头壳体上，电接插件和光接插件的母头部分固定在密封舱的母头壳体上，密封舱整体对接，可实现各个接插件的一一对应接插，从而可避免两个集束海底海缆的缆芯在集束海底海缆接头盒内出现连接凌乱的问题，进而可有效的完成集束海底海缆接头盒内部缆芯接续，确保施工和运行安全。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在 不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的一种集束海底海缆的截面结构示意图；
图2为本申请实施例提供的一种集束海底海缆接头盒的结构示意图；
图3为图2中提供的集束海底海缆接头盒的剖面结构示意图；
图4为图2中提供的集束海底海缆接头盒的部分结构示意图；
图5为图4中提供的集束海底海缆接头盒的部分结构示意图；
图6为图2中提供的密封舱的公头壳体的结构示意图；
图7为图6中提供的公头壳体的另一状态结构示意图；
图8为图2中提供的密封舱的母头壳体的结构示意图；
图9为图8中提供的母头壳体和密封圈的结构示意图；
图10为图2中提供的第一锚固件的第一锚固本体的结构示意图；
图11为图2中提供的保护罩的第一罩体的结构示意图。
附图标记说明：
10-第一锚固件；         11-第一锚固本体；    111-护套孔；
112-空腔；              113-第一固定板；     12-第一固定挡板；
20-第二锚固件；         30-保护罩；          301-第一密封腔；
31-第一罩体；           311-密封壁；         312-固定壁；
32-第二罩体；           40-电接插件；        41-电接插公头；
42-电接插母头；         50-光接插件；        51-光接插公头；
52-光接插母头；         60-密封舱；          601-第二密封腔；
61-公头壳体；           611-公头固定板；     6111-公头电接插通道；
6112-公头光接插通道；   6113-第一丝杠螺孔；  612-第一连接管；
62-母头壳体；           621-母头固定板；     6211-母头电接插通道；
6212-母头光接插通道；   6213-第二丝杠螺孔；  622-第二连接管；
6221-密封槽；           6222-密封圈；        70-调节丝杠；
80-弯曲限制器；         100-集束海底海缆；   110-护套；
120-铠装钢丝；          130-缆芯；           131-电回路单元；
132-光单元。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将对接本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
需要说明的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“安装”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在以上描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指接合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式接合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施 例或示例的特征进行对接和组合。
相关技术中，接头盒包括外壳、密封端盖、电接插件和光接插件，外壳的形状为圆环状，外壳的两端分别设置有密封端盖，电接插件和光接插件位于外壳内部。两个需要接续的多个三芯电回路单元的集束海底海缆连接时，将两个集束海底海缆的缆芯分别穿设接头盒两端的密封端盖进入外壳内部通过电接插件和光接插件进行连接。然而，对于多个三芯电回路单元的集束海底海缆的电回路单元和光单元较多时，会出现两个集束海底海缆的缆芯在接头盒内连接凌乱的问题。
为了解决上述问题，本申请提供一种集束海底海缆接头盒，采用电接插件和光接插件实现两个集束海底海缆的接续，电接插件和光接插件均包括公头部分和母头部分，电接插件和光接插件的公头部分固定在密封舱的公头壳体上，电接插件和光接插件的母头部分固定在密封舱的母头壳体上，密封舱整体对接，可实现各个接插件的一一对应接插，从而可避免两个集束海底海缆的缆芯在集束海底海缆接头盒内出现连接凌乱的问题，进而可有效的完成集束海底海缆接头盒内部缆芯接续，确保施工和运行安全。
下面对接具体实施例对本申请实施例提供的集束海底海缆接头盒进行详细说明。
图1为本申请实施例提供的一种集束海底海缆的截面结构示意图；图2为本申请实施例提供的一种集束海底海缆接头盒的结构示意图；图3为图2中提供的集束海底海缆接头盒的剖面结构示意图；图4为图2中提供的集束海底海缆接头盒的部分结构示意图；图5为图4中提供的集束海底海缆接头盒的部分结构示意图。
如图1至图5所示，本申请实施例提供一种集束海底海缆接头盒，包括第一锚固件10、第二锚固件20、保护罩30、电接插件40、光接插件50和密封舱60。
其中，集束海底海缆100由内向外依次包括护套110、铠装钢丝120和缆芯130。缆芯130包括电回路单元131和光单元132。电回路单元131包括多个三芯电回路单元。当集束海底海缆100受损时，需要制作集束海底海缆接头盒对其进行修复。
第一锚固件10和第二锚固件20分别固定在保护罩30的两端，第一 锚固件10、第二锚固件20和保护罩30围成第一密封腔301，第一锚固件10用于固定需要接续的其中一个集束海底海缆且使该集束海底海缆的缆芯伸入第一密封腔301中，第二锚固件20用于固定需要接续的其中另一个集束海底海缆且使该集束海底海缆的缆芯伸入第一密封腔301中。
第一密封腔301的形状可以为圆柱形，也可以为其它形状，在此不做具体设置。
电接插件40包括电接插公头41和电接插母头42，电接插公头41的一端用于连接需要接续的其中一个集束海底海缆100的缆芯130的电回路单元131，电接插母头42的一端用于连接需要接续的其中另一个集束海底海缆100的缆芯130的电回路单元131，电接插公头41的另一端和电接插母头42的另一端接插连接。
电接插件40的数量与缆芯130的电回路单元131的数量相对应。
需要说明的是，需要接续的两个缆芯130相对应的电回路单元131配置一个电接插件40。
光接插件50包括光接插公头51和光接插母头52，光接插公头51的一端连接需要接续的其中一个集束海底海缆的缆芯的光单元132，光接插母头52的一端用于连接需要接续的其中另一个集束海底海缆的缆芯的光单元132，光接插公头51的另一端与光接插母头52的另一端接插连接。
光接插件50的数量与缆芯130的光单元132的数量相对应。
需要说明的是，需要接续的两个缆芯130相对应光单元132配置一个光接插件50。
密封舱60固定在第一密封腔301中，密封舱60包括公头壳体61和母头壳体62，公头壳体61和母头壳体62可拆卸的围成第二密封腔601，电接插公头41和光接插公头51固定在公头壳体61上，电接插母头42和光接插母头52固定在母头壳体62上，电接插公头41和电接插母头42接插在第二密封腔601中，光接插公头51与光接插母头52接插在第二密封腔601中。
第二密封腔601的形状可以为圆柱形，也可以为其它形状，在此不做具体设置。
公头壳体61上设置多个电接插公头41，多个电接插公头41的位置与 缆芯130的电回路单元131的位置相对应。公头壳体61上设置至少一个光接插公头51，至少一个光接插公头51位置与缆芯130的光单元132的位置相对应。
母头壳体62上设置多个电接插母头42，多个电接插母头42的位置与缆芯130的电回路单元131的位置相对应。母头壳体62上设置至少一个光接插母头52，至少一个光接插母头52位置与缆芯130的光单元132的位置相对应。
多个电接插公头41与多个电接插母头42一一对应接插在第二密封腔601中，以将伸入第一密封腔301内的两个集束海底海缆100的电回路单元131一一对应连接。至少一个光接插公头51与至少一个光接插母头52一一对应接插在第二密封腔601中，以将伸入第一密封腔301内的两个集束海底海缆100的光单元132一一对应连接。
在一种可选的实施方式中，至少三个电接插公头41和至少一个光接插公头51固定在公头壳体61上，至少三个电接插母头42和至少一个光接插母头52固定在母头壳体62上，至少三个电接插公头41和至少三个电接插母头42一一对应接插在第二密封腔601中，以将伸入第一密封腔301内的两个集束海底海缆100的电回路单元131一一对应连接，至少一个光接插公头51和至少一个光接插母头52一一对应接插在第二密封腔601中，以将伸入第一密封腔301内的两个集束海底海缆100的光单元132一一对应连接。
本申请实施例提供的集束海底海缆接头盒，采用电接插件40和光接插件50实现两个集束海底海缆的接续，电接插件40和光接插件50均包括公头部分和母头部分，电接插件40和光接插件50的公头部分固定在密封舱60的公头壳体61上，电接插件40和光接插件50的母头部分固定在密封舱60的母头壳体62上，密封舱60整体对接，可实现各个接插件的一一对应接插，从而可避免两个集束海底海缆100的缆芯130在集束海底海缆接头盒内出现连接凌乱的问题，进而可有效的完成集束海底海缆接头盒内部缆芯接续，确保施工和运行安全。
需要指出的是，将电接插件40和光接插件50集成在密封舱60的公头壳体61和母头壳体62上，采用干插拔实现整体对接和拆卸，避免两个 集束海底海缆100的缆芯130在集束海底海缆接头盒内出现连接凌乱的问题，同时降低了集束海底海缆接头盒整体尺寸，保证了运输和施工安全。
图6为图2中提供的密封舱的公头壳体的结构示意图；图7为图6中提供的公头壳体的另一状态结构示意图；图8为图2中提供的密封舱的母头壳体的结构示意图；图9为图8中提供的母头壳体和密封圈的结构示意图。
可选地，如图6和图7所示，公头壳体61包括公头固定板611和第一连接管612，公头固定板611与第一连接管612垂直固定连接，公头固定板611设置有至少三个公头电接插通道6111和至少一个公头光接插通道6112，至少三个公头电接插通道6111的位置与集束海底海缆100的电回路单元131的位置相对应，至少一个公头光接插通道6112的位置与集束海底海缆100的光单元132的位置相对应，电接插公头41与公头电接插通道6111螺纹连接，光接插公头51与公头光接插通道6112螺纹连接。
公头固定板611的形状可以为圆形，也可以为其它形状，在此不做具体设置。
公头电接插通道6111的形状为圆柱形。公头光接插通道6112的形状为圆柱形。
第一连接管612的形状为圆柱管。第一连接管612沿着第一连接管612的轴向固定在公头固定板611上，公头固定板611和第一连接管612围成一端开口的腔体，公头电接插通道6111和公头光接插通道6112均与公头壳体61的腔体相连通。
为了提高密封舱60整体的密封性，电接插公头41与公头电接插通道6111之间设置有紧固胶，光接插公头51与公头光接插通道6112之间设置有紧固胶。紧固胶可以为树脂胶水，也可以为其它胶水，在此不做具体设置。
可选地，如图8和9所示，母头壳体62包括母头固定板621和第二连接管622，母头固定板621与第二连接管622垂直固定连接，母头固定板621设置有至少三个母头电接插通道6211和至少一个母头光接插通道6212，至少三个母头电接插通道6211的位置与集束海底海缆100的电回路单元131的位置相对应，至少一个母头光接插通道6212的位置与集束 海底海缆100的光单元132的位置相对应，电接插母头42与母头电接插通道6211螺纹连接，光接插母头52与母头光接插通道6212螺纹连接。
母头固定板621的形状可以为圆形，也可以为其它形状，在此不做具体设置。
母头电接插通道6211的形状为圆柱形。母头光接插通道6212的形状为圆柱形。
第二连接管622的形状为圆柱管。第二连接管622沿着第二连接管622的轴向固定在母头固定板621上，母头固定板621和第二连接管622围成一端开口的腔体，母头电接插通道6211和母头光接插通道6212均与母头壳体62的腔体相连通。
为了提高密封舱60整体的密封性，电接插母头42与母头电接插通道6211之间设置有紧固胶，光接插母头52与母头光接插通道6212之间设置有紧固胶。紧固胶可以为树脂胶水，也可以为其它胶水，在此不做具体设置。
在一种可选的实施方式中，公头壳体61上设置有一个六芯公头电接插通道、六个三芯公头电接插通道和三个公头光接插通道，六芯公头电接插通道位于公头固定板611的中心上，六个三芯公头电接插通道位于六芯公头电接插通道的外侧，六个三芯公头电接插通道以三芯公头电接插通道为中心沿着圆周方向等间距设置，三个公头光接插通道设置在六芯公头电接插通道和三芯公头电接插通道之间，三个公头光接插通道以三芯公头电接插通道为中心沿着圆周方向等间距设置，六芯公头电接插通道用于固定六芯电接插公头41，三芯公头电接插通道用于固定三芯电接插公头41，公头光接插通道用于固定光接插公头51；母头壳体62上设置有一个六芯母头电接插通道、六个三芯母头电接插通道和三个母头光接插通道，六芯母头电接插通道位于母头固定板621的中心上，六个三芯母头电接插通道位于六芯母头电接插通道的外侧，六个三芯母头电接插通道以三芯母头电接插通道为中心沿着圆周方向等间距设置，三个母头光接插通道设置在六芯母头电接插通道和三芯母头电接插通道之间，三个母头光接插通道以三芯母头电接插通道为中心沿着圆周方向等间距设置，六芯母头电接插通道用于固定六芯电接插母头42，三芯公头电接插通道用于固定三芯电接插母 头42，母头光接插通道用于固定光接插母头52。
当密封舱60安装时，母头壳体62的第二连接管622插设在公头壳体61的第一连接管612中，第二连接管622与公头固定板611相抵接，第一连接管612与母头固定板621相抵接，公头固定板611、第一连接管612、母头固定板621和第二连接管622围成第二密封腔601，公头壳体61上的电接插公头41与母头壳体62的电接插母头42一一对应接插，公头壳体61上的光接插公头51与光接插母头52一一对应接插，从而实现密封舱60上的电接插件40和光接插件50整体对接，进而可以降低操作时间和节约施工费用，同时还可以降低返工风险。
当密封舱60拆卸时，公头壳体61与母头壳体62向相反的方向移动，从而实现密封舱60上的电接插件40和光接插件50整体拆卸。
需要说明的是，集束海底海缆接头盒使用时，可以在供应商厂内、岸上码头和装配条件较好的施工船上等进行公头壳体61和母头壳体62分别与集束海底海缆100的缆芯130安装，然后再到海上快速完成对接安装和水下施工。
可选地，第二连接管622的外壁上设置有密封槽6221和密封圈6222，密封圈6222安装在密封槽6221中，密封槽6221沿着圆周方向设置，在第二连接管622的轴向上等间距设置多个密封槽6221，每个密封槽6221配置一个密封圈6222，从而可以在完成缆芯130接插后，实现整体密封，进而使得集束海底海缆接头盒满足大水深密封要求。
其中，密封圈6222可以为O型橡胶圈，也可以为其它橡胶圈，在此不做具体设置。
需要说明的是，
可选地，集束海底海缆接头盒还包括调节丝杠70，调节丝杠70位于第一密封腔301中，调节丝杠70连接在第一锚固件10、第二锚固件20、公头壳体61和母头壳体62上，调节丝杠70用于使公头壳体61和母头壳体62的对接和分离。
其中，调节丝杠70的数量为偶数组。调节丝杠70的调节采用对称方式，确保密封舱60位移受力均匀，不挤伤密封圈。
在一种可选的实施方式中，公头壳体61上设置有四个第一丝杠螺孔 6113，四个第一丝杠螺孔6113沿着圆周方向等间距设置，母头壳体62上设置有四个第二丝杠螺孔6213，四个第二丝杠螺孔6213沿着圆周方向等间距设置；公头壳体61的每个第一丝杠螺孔6113与母头壳体62的每个第二丝杠螺孔6213配置一个调节丝杠70，调节丝杠70设置有左右旋丝杠螺纹，第一丝杠螺孔6113与调节丝杠70的左旋丝杠螺纹配合，第二丝杠螺孔6213与调节丝杠70的右旋丝杠螺纹配合，从而实现公头壳体61和母头壳体62的对接和分离，进而可以实现密封舱60上的电接插件40和光接插件50精确缓慢对接，避免人工对接造成的施力不均或压伤密封圈6222。
图10为图2中提供的第一锚固件的第一锚固本体的结构示意图；图11为图2中提供的保护罩的第一罩体的结构示意图。
可选地，第一锚固件10包括第一锚固本体11和第一固定挡板12，第一锚固本体11一端设置有护套孔111，第一锚固本体另一端设置有空腔112，第一锚固本体11的空腔112贯穿第一锚固本体11的另一端，第一锚固本体11的空腔112与护套孔111相连通，第一固定挡板12与第一锚固本体11的另一端固定，第一固定挡板12设置有用于集束海底海缆100的缆芯130穿过的缆芯孔121。
护套孔111的形状为圆柱形，护套孔111用于限制和固定需要接续的其中一个集束海底海缆100的护套110。
空腔112的形状为倒圆台。空腔112用于限制和固定需要接续的其中一个集束海底海缆100呈伞状的铠装钢丝120。
需要说明的是，集束海底海缆100锚固时，在指定位置将护套110截去，在指定位置将铠装钢丝120截去。
第一锚固本体11的外侧上设置有第一固定板113，第一固定板113的形状为圆柱形，第一固定板113用于与保护罩30固定连接。
第二锚固件20与第一锚固件10的结构相同。第二锚固件20包括第二锚固本体和第二固定挡板。第二锚固本体一端设置有与第一锚固本体11的护套孔111相同的护套孔，第二锚固本体另一端设置有与第一锚固本体11的空腔112相同的空腔，第二固定挡板设置有与第一固定挡板12的缆芯孔121相同的缆芯孔。第二锚固本体上设置有与第一锚固本体11的第 一固定板113相同的第二固定板，第二固定板的形状为圆柱形，第二固定板用于与保护罩30固定连接。
保护罩30为哈弗式保护罩，保护罩30包括第一罩体31和第二罩体32，第一罩体31和第二罩体32对接围成圆柱空腔，第一固定板113和第二固定板固定在保护罩30的圆柱空腔的两端。
具体地，第一罩体31上设置有密封壁311和两个固定壁312，密封壁311的形状为半圆环形，两个固定壁312的形状为长方体，两个固定壁312位于密封壁311的径向上，密封壁311的轴向上的两端均设置有多个螺纹孔，密封壁311两端的螺纹孔均沿着圆周方向等间距设置，固定壁312设置有多个螺纹孔，固定壁312上的多个螺纹孔沿着保护罩30的轴向等间距设置。第二罩体32与第一罩体31的形状相同。
第一罩体31与第二罩体32之间通过螺栓固定连接，第一罩体31通过螺栓分别与第一固定板113和第二固定板固定连接，第二罩体32通过螺栓分别与第一固定板113和第二固定板固定连接，第一罩体31、第二罩体32、第一固定板113和第二固定板围成第一密封腔301，可以防止海水进入第一密封腔301内，从而实现对缆芯130和密封舱60的保护，进而使得集束海底海缆接头盒满足大水深施工载荷要求，也满足大水深水压防护要求。
可选地，集束海底海缆接头盒还包括弯曲限制器80，第一锚固件10和第二锚固件20远离保护罩30的一端均连接一个弯曲限制器80，从而实现对集束海底海缆进行限弯防护。
其中，弯曲限制器80包括多个空心圆柱体，空心圆柱体的一端设置有环形凹槽，空心圆柱体的另一端设置有环形凸起，相邻两个空心圆柱体中的一个空心圆柱体的环形凹槽与另一个空心圆柱体的环形凸起卡合连接。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (10)

  1. 一种集束海底海缆接头盒，其特征在于，包括第一锚固件、第二锚固件、保护罩、至少三个电接插件、至少一个光接插件和密封舱；
    所述第一锚固件和所述第二锚固件分别固定在所述保护罩的两端，所述第一锚固件、所述第二锚固件和所述保护罩围成第一密封腔，所述密封舱固定在所述第一密封腔中，所述密封舱包括公头壳体和母头壳体，所述公头壳体和所述母头壳体可拆卸的围成第二密封腔；
    所述电接插件包括电接插公头和电接插母头，所述光接插件包括光接插公头和光接插母头，至少三个所述电接插公头和至少一个所述光接插公头固定在所述公头壳体上，至少三个所述电接插母头和至少一个所述光接插母头固定在所述母头壳体上，至少三个所述电接插公头和至少三个所述电接插母头一一对应接插在所述第二密封腔中，以将伸入所述第一密封腔内的两个集束海底海缆的电回路单元一一对应连接，至少一个所述光接插公头和至少一个所述光接插母头一一对应接插在所述第二密封腔中，以将伸入所述第一密封腔内的两个集束海底海缆的光单元一一对应连接。
  2. 根据权利要求1所述的集束海底海缆接头盒，其特征在于，所述公头壳体包括公头固定板和第一连接管，所述公头固定板与所述第一连接管垂直固定连接，所述公头固定板设置有至少三个公头电接插通道和至少一个公头光接插通道，至少三个所述公头电接插通道的位置与所述集束海底海缆的电回路单元的位置相对应，至少一个所述公头光接插通道的位置与所述集束海底海缆的光单元的位置相对应，所述电接插公头与所述公头电接插通道螺纹连接，所述光接插公头与所述公头光接插通道螺纹连接；
    所述母头壳体包括母头固定板和第二连接管，所述母头固定板与所述第二连接管垂直固定连接，所述母头固定板设置有至少三个母头电接插通道和至少一个母头光接插通道，至少三个所述母头电接插通道的位置与所述集束海底海缆的电回路单元的位置相对应，至少一个所述母头光接插通道的位置与所述集束海底海缆的光单元的位置相对应，所述电接插母头与所述母头电接插通道螺纹连接，所述光接插母头与所述母头光接插通道螺纹连接。
  3. 根据权利要求2所述的集束海底海缆接头盒，其特征在于，所述 公头固定板和所述第一连接管围成一端开口的腔体，所述母头固定板和所述第二连接管围成一端开口的腔体，所述第二连接管插设在所述第一连接管中，所述第二连接管与所述公头固定板相抵接，所述第一连接管与所述母头固定板相抵接，所述公头固定板、所述第一连接管、所述母头固定板和所述第二连接管围成所述第二密封腔。
  4. 根据权利要求3所述的集束海底海缆接头盒，其特征在于，所述第二连接管的外壁上设置有密封槽和密封圈，所述密封圈安装在所述密封槽中，所述密封槽沿着圆周方向设置，在所述第二连接管的轴向上等间距设置多个所述密封槽。
  5. 根据权利要求3所述的集束海底海缆接头盒，其特征在于，所述电接插公头与所述公头电接插通道之间设置有紧固胶，所述光接插公头与所述公头光接插通道之间设置有所述紧固胶，所述电接插母头与所述母头电接插通道之间设置有所述紧固胶，所述光接插公头与所述母头光接插通道之间设置有所述紧固胶。
  6. 根据权利要求2-5任一项所述的集束海底海缆接头盒，其特征在于，所述公头壳体上设置有一个六芯公头电接插通道、六个三芯公头电接插通道和三个所述公头光接插通道，所述六芯公头电接插通道位于所述公头固定板的中心上，六个所述三芯公头电接插通道位于所述六芯公头电接插通道的外侧，六个所述三芯公头电接插通道以所述三芯公头电接插通道为中心沿着圆周方向等间距设置，三个所述公头光接插通道设置在所述六芯公头电接插通道和所述三芯公头电接插通道之间，三个所述公头光接插通道以所述三芯公头电接插通道为中心沿着圆周方向等间距设置。
  7. 根据权利要求1-5任一项所述的集束海底海缆接头盒，其特征在于，还包括调节丝杠，所述调节丝杠位于所述第一密封腔中，所述调节丝杠连接在所述第一锚固件、所述第二锚固件、所述公头壳体和所述母头壳体上，所述调节丝杠用于使所述公头壳体和所述母头壳体的对接和分离。
  8. 根据权利要求7所述的集束海底海缆接头盒，其特征在于，所述公头壳体上设置有四个第一丝杠螺孔，四个所述第一丝杠螺孔沿着圆周方向等间距设置，所述母头壳体上设置有四个第二丝杠螺孔，四个所述第二丝杠螺孔沿着圆周方向等间距设置；
    所述公头壳体的每个所述第一丝杠螺孔与所述母头壳体的每个所述第二丝杠螺孔配置一个所述调节丝杠，所述调节丝杠设置有左右旋丝杠螺纹，所述第一丝杠螺孔与所述调节丝杠的左旋丝杠螺纹配合，所述第二丝杠螺孔与所述调节丝杠的右旋丝杠螺纹配合。
  9. 根据权利要求1-5任一项所述的集束海底海缆接头盒，其特征在于，所述第一锚固件包括第一锚固本体和第一固定挡板，所述第一锚固本体一端设置有护套孔，所述第一锚固本体另一端设置有空腔，所述第一锚固本体的空腔贯穿所述第一锚固本体的另一端，所述第一锚固本体的空腔与护套孔相连通，所述第一固定挡板与所述第一锚固本体的另一端固定，所述第一固定挡板设置有用于所述集束海底海缆的缆芯穿过的缆芯孔；所述第二锚固件包括第二锚固本体和第二固定挡板，所述第二锚固本体一端设置有护套孔，所述第二锚固本体另一端设置有空腔，所述第二锚固本体的空腔贯穿所述第二锚固本体的另一端，所述第二锚固本体的空腔与护套孔相连通，所述第二固定挡板与所述第二锚固本体的另一端固定，所述第二固定挡板设置有用于所述集束海底海缆的缆芯穿过的缆芯孔；
    所述保护罩为哈弗式保护罩，所述保护罩包括第一罩体和第二罩体，所述第一罩体和所述第二罩体对接围成圆柱空腔，所述第一锚固本体的外侧设置有第一固定板，所述第二锚固本体的外侧设置有第二固定板，所述第一固定板和所述第二固定板固定在所述圆柱空腔的两端。
  10. 根据权利要求9所述的集束海底海缆接头盒，其特征在于，还包括弯曲限制器，所述第一锚固件和所述第二锚固件远离所述保护罩的一端均连接一个所述弯曲限制器；
    所述弯曲限制器包括多个空心圆柱体，所述空心圆柱体的一端设置有环形凹槽，所述空心圆柱体的另一端设置有环形凸起，相邻两个所述空心圆柱体中的一个所述空心圆柱体的环形凹槽与另一个所述空心圆柱体的环形凸起卡合连接。
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