WO2022032906A1 - 一种海缆张力弯曲试验用电缆头连接装置 - Google Patents

一种海缆张力弯曲试验用电缆头连接装置 Download PDF

Info

Publication number
WO2022032906A1
WO2022032906A1 PCT/CN2020/128498 CN2020128498W WO2022032906A1 WO 2022032906 A1 WO2022032906 A1 WO 2022032906A1 CN 2020128498 W CN2020128498 W CN 2020128498W WO 2022032906 A1 WO2022032906 A1 WO 2022032906A1
Authority
WO
WIPO (PCT)
Prior art keywords
tension
conductor
plate
bearing
connecting device
Prior art date
Application number
PCT/CN2020/128498
Other languages
English (en)
French (fr)
Inventor
陈凯
宋光辉
乔宇常
Original Assignee
江苏亨通高压海缆有限公司
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 江苏亨通高压海缆有限公司 filed Critical 江苏亨通高压海缆有限公司
Publication of WO2022032906A1 publication Critical patent/WO2022032906A1/zh

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/04—Chucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces

Definitions

  • the present invention relates to a connecting device for submarine cable test, in particular to a cable head connecting device for submarine cable tension bending test.
  • the submarine cable is laid by professional laying vessels, which are introduced from the vessel into the water. During the laying process, the submarine cable will undergo a very large tension.
  • the tension bending test simulates the tension during laying, ensuring that the submarine cable can withstand various tensions.
  • the traditional tension bending test joint device is a mesh sleeve.
  • the mesh sleeve relies on the friction force generated by the steel wire to squeeze the surface of the submarine cable to fix the cable. It is recommended to use the mesh sleeve as the connecting device. It is getting taller and bigger. For large-section cables, the mesh sleeve has been unable to withstand such a large force. Second, because the submarine cable steel wire armor is coated with asphalt, under high temperature conditions, the softening of the asphalt will cause the mesh sleeve to slip. In severe cases, it will affect the test progress; 3.
  • the mesh sleeve is formed by longitudinal tension to form radial pressure on the submarine cable to achieve a tightening effect, and its force is mainly on the armored steel wire.
  • the armor and conductor of the submarine cable are For the stress-bearing parts, the use of mesh sleeves cannot evenly distribute the tension.
  • the main technical problem to be solved by the present invention is to provide a cable head connecting device for tension bending test of submarine cable, which can solve the deficiencies of the existing traditional tension bending test connecting device.
  • a technical solution adopted in the present invention is: a cable head connecting device for a submarine cable tension bending test, comprising a steel wire pulling plate, a conductor load-bearing pulling plate and a connecting screw rod, the steel wire pulling plate and The conductor load-bearing tension plate is connected through the connecting screw rod;
  • tension mechanisms are installed between the wire tension plate and the conductor load-bearing tension plate, and the tension mechanism is composed of a metal nose, a tension gauge and a tension meter screw rod, and the metal nose and the tension meter screw rod pass through the The tension gauge is connected;
  • a conductor hole, a plurality of first screw holes and a plurality of armoring holes are provided on the steel wire drawing plate, the conductor hole is located in the center of the steel wire drawing plate, and a plurality of the armoring holes are distributed in the form of a circular array.
  • a plurality of the first screw holes are located between the conductor holes and the armoring holes;
  • Two fixing holes, a plurality of second screw holes and a plurality of tension gauge screw holes are opened on the conductor load-bearing drawing plate, and a plurality of the second screw holes are distributed on the conductor load-bearing puller in a circular array.
  • the two fixing holes are symmetrically distributed around the center of the conductor load-bearing tension board.
  • a load-bearing pull rod is installed on the left side of the conductor load-bearing pull plate
  • the load-bearing pull rod adopts a U-shaped structure.
  • the first screw hole and the second screw hole correspond to each other.
  • the metal nose is provided with a connecting hole.
  • one end of the tension gauge is connected to the connection hole on the metal nose, and the other end is connected to the hook of the tension gauge screw.
  • the tension gauge screw rod is connected to the conductor load-bearing tension plate through bolts.
  • the number of the tension gauge screw holes is four.
  • one of the tension gauge screw holes is arranged on the center of the conductor load-bearing tension plate, and the other three tension gauge screw holes are distributed on the conductor support in a regular triangle shape. Pull the plate around the center of the circle.
  • the armored steel wire is covered with a metal sleeve of the same material after passing through the armoring hole.
  • the present invention is a cable head connecting device for tension bending test of submarine cable
  • the cable head connecting device solves the deficiencies of the existing traditional tension bending test connecting device, and can respectively fix the armored steel wire and the submarine cable conductor
  • FIG. 1 is a schematic structural diagram of a cable head connecting device for a tensile bending test of a submarine cable.
  • FIG. 2 is a schematic structural diagram of a conductor load-bearing tension plate of a cable head connecting device for a submarine cable tension bending test.
  • FIG. 3 is a schematic structural diagram of a steel wire pulling plate of a cable head connecting device for a tensile bending test of a submarine cable.
  • FIG. 4 is a schematic diagram of the connection at the steel wire pulling plate of a cable head connecting device for a tensile bending test of a submarine cable.
  • FIG. 5 is a schematic diagram of the connection between the metal nose and the conductor of the submarine cable of a cable head connecting device for a tensile bending test of a submarine cable.
  • a cable head connecting device for submarine cable tension bending test mainly suitable for: three-core, single-core high-voltage and ultra-high-voltage submarine cables, including steel wire pull plate 1, conductor load-bearing pull plate 2 and It is composed of a connecting screw 4, and the steel wire pulling plate 1 and the conductor load-bearing pulling plate 2 adopt a circular structure.
  • the steel wire drawing plate 1 and the conductor load-bearing drawing plate 2 are connected by the connecting screw rod 4 , and the two ends of the connecting screw rod 4 are respectively connected with the first screw hole on the steel wire drawing plate 1 . 14 and the second screw hole 17 on the conductor tension plate 2 are fixed.
  • the tension mechanism is composed of a metal nose 7, a tension meter 5 and a tension meter screw 6.
  • the metal nose 7 and all The tension gauge screw 6 is connected through the tension gauge 5, the metal nose 7 is provided with a connection hole 19, one end of the tension gauge 5 is connected with the connection hole 19 on the metal nose 7, and the other end is connected with the connection hole 19 on the metal nose 7.
  • the metal nose 7 is used to connect the submarine cable conductor 10 stripped from the submarine cable core 12 .
  • a conductor hole 13, a number of first screw holes 14 and a number of armored holes 15 are provided on the steel wire pulling plate 1.
  • the conductor hole 13 is located in the center of the steel wire pulling plate 1, and the conductor hole 13 is chamfered.
  • the conductor hole 13 can pass through both the three cores of the three-core submarine cable and the single core of the single-core submarine cable at the same time.
  • a number of the armoring holes 15 are distributed at the edge of the steel wire pulling plate 1 in a circular array, and a number of the first screw holes 14 are located between the conductor hole 13 and the armoring hole 15, The number of the armoring holes 15 is greater than the number of the armoring steel wires 8, and the armoring steel wires 8 are symmetrically distributed to prevent uneven tension.
  • Two fixing holes 16, a plurality of second screw holes 17 and a plurality of tension gauge screw holes 18 are opened on the conductor load-bearing tension plate 2, and a plurality of the second screw holes 17 are distributed in the form of a circular array.
  • the two fixing holes 16 are symmetrically distributed with the center of the conductor tension plate 2 , so as to ensure the tension balance of the tension rod 3 when in use.
  • the number of the tension gauge screw holes 18 is four, of which one of the tension gauge screw holes 18 is arranged on the center of the conductor load-bearing tension plate 2, and the other three tension gauge screw holes 18 form a regular triangle.
  • the type is distributed around the center of the conductor tension plate 2, and the center of the triangle coincides with the center of the conductor tension plate 2.
  • the screw end of the tension gauge screw 6 It is fixed with the tension gauge screw hole 18 in the center of the conductor tension plate 2 .
  • the screw end of the tension gauge screw 6 is fixed to the three tension gauge screw holes 18 located on the triangle on the conductor load-bearing tension plate 2 .
  • a load-bearing pull rod 3 is installed on the left side of the conductor load-bearing pull plate 2, and the load-bearing pull rod 3 adopts a U-shaped structure.
  • the U-shaped ends of the load-bearing pull rod 3 are respectively fixed on the two fixing holes 16 .
  • the first screw hole 14 and the second screw hole 17 correspond to each other for installing the connecting screw 4 .
  • the tension gauge screw 6 is connected to the conductor load-bearing tension plate 2 through bolts 11 .
  • the force on each conductor can be adjusted, and the force is displayed by the tension gauge 5 .
  • the armored steel wire 8 is covered with a metal sleeve 9 of the same material after passing through the armored hole 15, and the metal sleeve 9 and the armored steel wire 8 are welded to make it fixed, and the metal sleeve 9 is ordinary steel.
  • a round pipe is made, the inner diameter of which is slightly larger than the diameter of the armored steel wire 8 , and the outer diameter of which is larger than the diameter of the armored hole 15 .
  • the submarine cable cores 12 should be longer than the armored steel wires 8, and the four connecting wires are One end of the rod 4 is fixed with the steel wire pulling plate 1, the armored steel wire 8 is passed through the armoring hole 15 of the steel wire pulling plate 1 and then the metal sleeve 9 is put on, and the submarine cable is
  • the wire core 12 is passed through the conductor hole 13, and the submarine cable core 12 is stripped out of the submarine cable conductor 10 by about 20 cm, and the metal sleeve 9 and the armored steel wire 8 are welded firmly, and the hydraulic The device crimps the submarine cable conductor 10 and the metal nose 7, the two ends of the tension gauge 5 are respectively connected to the metal nose 7 and the tension gauge screw 6, and the tension gauge screw 6, four
  • the other end of the connecting screw 4 and the load-bearing pull rod 3 are respectively fixed on the conductor load-bearing pull plate 2, and the load-bearing pull rod 3
  • the invention provides a cable head connection device for a submarine cable tension bending test, which solves the shortcomings of the existing traditional tension bending test connection device, and can respectively fix the armored steel wire and the submarine cable conductor. , Determine the overall tension distribution of the submarine cable by adjusting the tension of the three-core (single-core) conductors separately, and meet the requirements of the three-core, single-core large-section, and ultra-high voltage submarine cable tension bending test test requirements.

Abstract

一种海缆张力弯曲试验用电缆头连接装置，包括钢丝拉板（1）、导体承力拉板（2）和连接丝杆（4）组成；钢丝拉板（1）和导体承力拉板（2）之间安装有若干拉力机构，拉力机构由金属鼻子（7）、拉力计（5）和拉力计丝杆（6）组成；钢丝拉板（1）上开设有一导体孔（13）、若干第一丝杆孔（14）和若干铠装孔（15）；导体承力拉板（2）上开设有两固定孔（16）、若干第二丝杆孔（17）和若干拉力计丝杆孔（18）。电缆头连接装置解决了现有传统张力弯曲试验连接装置的不足，能够分别固定铠装钢丝（8）和海缆导体（10），通过分别调节三芯(单芯)导体张力情况来确定海缆的整体张力分布，满足三芯、单芯大截面，超高压海电缆的张力弯曲试验的试验要求。

Description

一种海缆张力弯曲试验用电缆头连接装置 技术领域
本发明涉及一种海底电缆试验用连接装置，尤其是涉及一种海缆张力弯曲试验用电缆头连接装置。
背景技术
海底电缆敷设采用专业敷设船只，从船上导入到水中，其敷设过程海缆会经受非常大的张力，张力弯曲试验模拟了敷设时候所受张力，保证海缆能够承受各种张力。
传统的张力弯曲试验接头装置为网套，网套是依靠钢丝对海缆表面挤压产生摩擦力来固定电缆，采用网套作为连接装置较为建议，有如下缺点：一、如今电缆电压等级、截面越来越高越来越大，对于大截面电缆，网套已经难以承受如此大的力；二、由于海缆钢丝铠装层涂有沥青，在高温情况下，沥青软化会导致网套打滑，严重时会影响试验进度；三、网套是通过纵向拉力形成径向对海缆的压力达到紧固作用，其力主要在铠装钢丝上，而实际状况下，海缆的铠装和导体均为受力部件，采用网套就无法均匀分布各张力的情况。
发明内容
本发明主要解决的技术问题是提供一种海缆张力弯曲试验用电缆头连接装置，能够解决现有传统张力弯曲试验连接装置的不足。
为解决上述技术问题，本发明采用的一个技术方案是：一种海缆张力弯曲试验用电缆头连接装置，包括钢丝拉板、导体承力拉板和连接丝杆组成，所述钢丝拉板和所述导体承力拉板通过所述连接丝杆相连接；
所述钢丝拉板和所述导体承力拉板之间安装有若干拉力机构，所述拉力机 构由金属鼻子、拉力计和拉力计丝杆组成，所述金属鼻子和所拉力计丝杆通过所述拉力计相连接；
所述钢丝拉板上开设有一导体孔、若干第一丝杆孔和若干铠装孔，所述导体孔位于所述钢丝拉板中心，若干所述铠装孔以圆形阵列的方式分布在所述钢丝拉板的边缘处，若干所述第一丝杆孔位于所述导体孔和所述铠装孔之间；
所述导体承力拉板上开设有两固定孔、若干第二丝杆孔和若干拉力计丝杆孔，若干所述第二丝杆孔以圆形阵列的方式分布在所述导体承力拉板的边缘处，两所述固定孔以所述导体承力拉板的圆心对称分布。
在本发明一个较佳实施例中，所述导体承力拉板左侧安装有承力拉杆；
在本发明一个较佳实施例中，所述承力拉杆采用U型结构。
在本发明一个较佳实施例中，所述第一丝杆孔与所述第二丝杆孔相互对应。
在本发明一个较佳实施例中，所述金属鼻子上开设有连接孔。
在本发明一个较佳实施例中，所述拉力计一端与所述金属鼻子上的所述连接孔相连接，另一端与所述拉力计丝杆的挂钩相连接。
在本发明一个较佳实施例中，所述拉力计丝杆通过螺栓与所述导体承力拉板连接。
在本发明一个较佳实施例中，所述拉力计丝杆孔的数量为四个。
在本发明一个较佳实施例中，其中一所述拉力计丝杆孔设置在所述导体承力拉板的圆心上，另外三所述拉力计丝杆孔成正三角型分布在所述导体承力拉板的圆心周围。
在本发明一个较佳实施例中，铠装钢丝通过所述铠装孔后套上相同材质的金属套管。
本发明的有益效果是：本发明一种海缆张力弯曲试验用电缆头连接装置， 该电缆头连接装置解决了现有传统张力弯曲试验连接装置的不足，能够分别固定铠装钢丝和海缆导体，通过分别调节三芯(单芯)导体张力情况来确定海缆的整体张力分布，满足三芯、单芯大截面，超高压海电缆的张力弯曲试验试验要求。
附图说明
图1为一种海缆张力弯曲试验用电缆头连接装置的结构示意图。
图2为一种海缆张力弯曲试验用电缆头连接装置的导体承力拉板的结构示意图。
图3为一种海缆张力弯曲试验用电缆头连接装置的钢丝拉板的结构示意图。
图4为一种海缆张力弯曲试验用电缆头连接装置的钢丝拉板处的连接示意图。
图5为一种海缆张力弯曲试验用电缆头连接装置的金属鼻子与海缆导体的连接示意图。
附图中各部件的标记如下：1、钢丝拉板；2、导体承力拉板；3、承力拉杆；4、连接丝杆；5、拉力计；6、拉力计丝杆；7、金属鼻子；8、铠装钢丝；9、金属套管；10、海缆导体；11、螺栓；12、海缆线芯；13、导体孔；14、第一丝杆孔；15、铠装孔；16、固定孔；17、第二丝杆孔；18、拉力计丝杆孔；19、连接孔。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
请参阅图1至图5，一种海缆张力弯曲试验用电缆头连接装置，主要适用于： 三芯、单芯高压及超高压海底电缆，包括钢丝拉板1、导体承力拉板2和连接丝杆4组成，所述钢丝拉板1和所述导体承力拉板2采用圆形结构。
所述钢丝拉板1和所述导体承力拉板2通过所述连接丝杆4相连接、所述连接丝杆4两端分别与所述钢丝拉板1上的所述第一丝杆孔14和所述导体承力拉板2上的所述第二丝杆孔17固定。
所述钢丝拉板1和所述导体承力拉板2之间安装有若干拉力机构，所述拉力机构由金属鼻子7、拉力计5和拉力计丝杆6组成，所述金属鼻子7和所拉力计丝杆6通过所述拉力计5相连接，所述金属鼻子7上开设有连接孔19，所述拉力计5一端与所述金属鼻子7上的所述连接孔19相连接，另一端与所述拉力计丝杆6的挂钩相连接，所述金属鼻子7用于连接从所述海缆线芯12中剥出的所述海缆导体10。
所述钢丝拉板1上开设有一导体孔13、若干第一丝杆孔14和若干铠装孔15，所述导体孔13位于所述钢丝拉板1中心，所述导体孔13为带倒角的三角形，所述导体孔13既能同时通过三芯海缆的三根线芯，又能通过单芯海缆的单根线芯。
若干所述铠装孔15以圆形阵列的方式分布在所述钢丝拉板1的边缘处，若干所述第一丝杆孔14位于所述导体孔13和所述铠装孔15之间，所述铠装孔15的数量大于所述铠装钢丝8的数量，所述铠装钢丝8对称分布，用于防止拉力不均匀。
所述导体承力拉板2上开设有两固定孔16、若干第二丝杆孔17和若干拉力计丝杆孔18，若干所述第二丝杆孔17以圆形阵列的方式分布在所述导体承力拉板2的边缘处，两所述固定孔16以所述导体承力拉板2的圆心对称分布，用于保证所述承力拉杆3使用时的拉力均衡。
所述拉力计丝杆孔18的数量为四个，其中一所述拉力计丝杆孔18设置在所述导体承力拉板2的圆心上，另外三所述拉力计丝杆孔18成正三角型分布在 所述导体承力拉板2的圆心周围，三角形中心与所述导体承力拉板2的中心重合，当测试海缆为单芯时，所述拉力计丝杆6的丝杆端与所述导体承力拉板2中心的所述拉力计丝杆孔18固定。当测试海缆为三芯时，所述拉力计丝杆6的丝杆端与所述导体承力拉板2上位于三角形上的三所述拉力计丝杆孔18固定。
所述导体承力拉板2左侧安装有承力拉杆3，所述承力拉杆3采用U型结构。所述承力拉杆3的U型两端头分别固定在两所述固定孔16上。
所述第一丝杆孔14与所述第二丝杆孔17相互对应，用于安装所述连接丝杆4。
所述拉力计丝杆6通过螺栓11与所述导体承力拉板2连接，通过调节所述螺栓11，可以调节每根导体所受的力，所受的力通过所述拉力计5显示出来。
铠装钢丝8通过所述铠装孔15后套上相同材质的金属套管9，并焊接所述金属套管9与所述铠装钢丝8使其固定，所述金属套管9为普通钢制圆管，其内径稍大于所述铠装钢丝8的直径，其外径大于所述铠装孔15的孔径。
使用时，将海底电缆的所述铠装钢丝8剪齐，将所述海缆线芯12剪齐，所述海缆线芯12应该长于所述铠装钢丝8，将四根所述连接丝杆4的一端与所述钢丝拉板1固定，将所述铠装钢丝8穿过所述钢丝拉板1的所述铠装孔15之后套上所述金属套管9，将所述海缆线芯12穿过所述导体孔13，并将所述海缆线芯12剥出所述海缆导体10约20cm，将所述金属套管9与所述铠装钢丝8焊接牢固，用液压装置压接所述海缆导体10与所述金属鼻子7，所述拉力计5两端分别连接所述金属鼻子7和所述拉力计丝杆6，将所述拉力计丝杆6、四根所述连接丝杆4的另一端以及所述承力拉杆3分别固定在所述导体承力拉板2上，所述承力拉杆3接上张力弯曲试验的拉力装置，等拉力到达试验要求时，调节所述拉力计丝杆6上的所述螺栓11，使三个所述拉力计5数值达到要求值，最后开始张力弯曲试验。
与现有技术相比，本发明一种海缆张力弯曲试验用电缆头连接装置，该电 缆头连接装置解决了现有传统张力弯曲试验连接装置的不足，能够分别固定铠装钢丝和海缆导体，通过分别调节三芯(单芯)导体张力情况来确定海缆的整体张力分布，满足三芯、单芯大截面，超高压海电缆的张力弯曲试验试验要求。
在本发明的描述中，需要说明的是，部件均为通用标准件或本领域技术人员知晓的部件，其结构和原理都为本技术人员均可通过技术手册得知或通过常规试验方法获知，术语“上”、“下”、“左”、“右”、“内”、“外”等指示的方位或位置关系为基于附图所述的方位或位置关系，或者是该发明产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种海缆张力弯曲试验用电缆头连接装置，其特征在于，包括钢丝拉板、导体承力拉板和连接丝杆组成，所述钢丝拉板和所述导体承力拉板通过所述连接丝杆相连接；
    所述钢丝拉板和所述导体承力拉板之间安装有若干拉力机构，所述拉力机构由金属鼻子、拉力计和拉力计丝杆组成，所述金属鼻子和所拉力计丝杆通过所述拉力计相连接；
    所述钢丝拉板上开设有一导体孔、若干第一丝杆孔和若干铠装孔，所述导体孔位于所述钢丝拉板中心，若干所述铠装孔以圆形阵列的方式分布在所述钢丝拉板的边缘处，若干所述第一丝杆孔位于所述导体孔和所述铠装孔之间；
    所述导体承力拉板上开设有两固定孔、若干第二丝杆孔和若干拉力计丝杆孔，若干所述第二丝杆孔以圆形阵列的方式分布在所述导体承力拉板的边缘处，两所述固定孔以所述导体承力拉板的圆心对称分布。
  2. 根据权利要求1所述的一种海缆张力弯曲试验用电缆头连接装置，其特征在于，所述导体承力拉板左侧安装有承力拉杆。
  3. 根据权利要求2所述的一种海缆张力弯曲试验用电缆头连接装置，其特征在于，所述承力拉杆采用U型结构。
  4. 根据权利要求1所述的一种海缆张力弯曲试验用电缆头连接装置，其特征在于，所述第一丝杆孔与所述第二丝杆孔相互对应。
  5. 根据权利要求1所述的一种海缆张力弯曲试验用电缆头连接装置，其特征在于，所述金属鼻子上开设有连接孔。
  6. 根据权利要求5所述的一种海缆张力弯曲试验用电缆头连接装置，其特征在于，所述拉力计一端与所述金属鼻子上的所述连接孔相连接，另一端与所述拉力计丝杆的挂钩相连接。
  7. 根据权利要求1所述的一种海缆张力弯曲试验用电缆头连接装置，其特 征在于，所述拉力计丝杆通过螺栓与所述导体承力拉板连接。
  8. 根据权利要求1所述的一种海缆张力弯曲试验用电缆头连接装置，其特征在于，所述拉力计丝杆孔的数量为四个。
  9. 根据权利要求8述的一种海缆张力弯曲试验用电缆头连接装置，其特征在于，其中一所述拉力计丝杆孔设置在所述导体承力拉板的圆心上，另外三所述拉力计丝杆孔成正三角型分布在所述导体承力拉板的圆心周围。
  10. 根据权利要求1述的一种海缆张力弯曲试验用电缆头连接装置，其特征在于，铠装钢丝通过所述铠装孔后套上相同材质的金属套管。
PCT/CN2020/128498 2020-08-11 2020-11-13 一种海缆张力弯曲试验用电缆头连接装置 WO2022032906A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010801619.8A CN111855385A (zh) 2020-08-11 2020-08-11 一种海缆张力弯曲试验用电缆头连接装置
CN202010801619.8 2020-08-11

Publications (1)

Publication Number Publication Date
WO2022032906A1 true WO2022032906A1 (zh) 2022-02-17

Family

ID=72971301

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/128498 WO2022032906A1 (zh) 2020-08-11 2020-11-13 一种海缆张力弯曲试验用电缆头连接装置

Country Status (2)

Country Link
CN (1) CN111855385A (zh)
WO (1) WO2022032906A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111855385A (zh) * 2020-08-11 2020-10-30 江苏亨通高压海缆有限公司 一种海缆张力弯曲试验用电缆头连接装置
GB2610650A (en) * 2021-09-14 2023-03-15 C Kore Systems Ltd Pulling head

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130327152A1 (en) * 2012-06-11 2013-12-12 Verizon Patent And Licensing Inc. System and method for measuring cable bending force and cable kink force
JP2014059157A (ja) * 2012-09-14 2014-04-03 Maeda Corp Ｐｃケーブルの緊張力推定方法
CN206609703U (zh) * 2017-04-01 2017-11-03 三峡大学 一种电缆屈曲试验平台
CN107505199A (zh) * 2017-08-24 2017-12-22 国网浙江省电力公司舟山供电公司 一种获取光纤和海底电缆应变关系的试验装置及试验方法
KR20180045403A (ko) * 2016-10-25 2018-05-04 주식회사 포스코건설 Ｍｓ케이블의 장력측정 매입장치
CN108760474A (zh) * 2018-08-10 2018-11-06 中天科技海缆有限公司 一种电缆张力弯曲试验用电缆头固定装置
CN109412085A (zh) * 2018-12-10 2019-03-01 浙江蓝迪电力科技有限公司 一种电缆拉力及视频监测管道设备
CN110567630A (zh) * 2019-10-08 2019-12-13 大连理工大学 一种船舶系泊缆绳的模型试验装置
CN111855385A (zh) * 2020-08-11 2020-10-30 江苏亨通高压海缆有限公司 一种海缆张力弯曲试验用电缆头连接装置
CN212621853U (zh) * 2020-08-11 2021-02-26 江苏亨通高压海缆有限公司 一种海缆张力弯曲试验用电缆头连接装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130327152A1 (en) * 2012-06-11 2013-12-12 Verizon Patent And Licensing Inc. System and method for measuring cable bending force and cable kink force
JP2014059157A (ja) * 2012-09-14 2014-04-03 Maeda Corp Ｐｃケーブルの緊張力推定方法
KR20180045403A (ko) * 2016-10-25 2018-05-04 주식회사 포스코건설 Ｍｓ케이블의 장력측정 매입장치
CN206609703U (zh) * 2017-04-01 2017-11-03 三峡大学 一种电缆屈曲试验平台
CN107505199A (zh) * 2017-08-24 2017-12-22 国网浙江省电力公司舟山供电公司 一种获取光纤和海底电缆应变关系的试验装置及试验方法
CN108760474A (zh) * 2018-08-10 2018-11-06 中天科技海缆有限公司 一种电缆张力弯曲试验用电缆头固定装置
CN109412085A (zh) * 2018-12-10 2019-03-01 浙江蓝迪电力科技有限公司 一种电缆拉力及视频监测管道设备
CN110567630A (zh) * 2019-10-08 2019-12-13 大连理工大学 一种船舶系泊缆绳的模型试验装置
CN111855385A (zh) * 2020-08-11 2020-10-30 江苏亨通高压海缆有限公司 一种海缆张力弯曲试验用电缆头连接装置
CN212621853U (zh) * 2020-08-11 2021-02-26 江苏亨通高压海缆有限公司 一种海缆张力弯曲试验用电缆头连接装置

Also Published As

Publication number Publication date
CN111855385A (zh) 2020-10-30

Similar Documents

Publication Publication Date Title
WO2022032906A1 (zh) 一种海缆张力弯曲试验用电缆头连接装置
CN108287115B (zh) 非粘结管缆铠装层预应力对弯曲性能影响的测试方法和装置
CN204536113U (zh) 一种钢丝破断夹具
CN212621853U (zh) 一种海缆张力弯曲试验用电缆头连接装置
CN101567537A (zh) Jrlx/t碳纤维导线耐张线夹
WO2021184771A1 (zh) 海底光缆奇数不等径钢丝复合铜管一体化拱形内铠结构
CN208476658U (zh) 一种电缆张力弯曲试验用电缆头固定装置
CN217901373U (zh) 一种用于拉伸与扭转测试的试验夹具
CN202305323U (zh) 一种脐带缆的拉伸夹具
CN110350327A (zh) 一种7根绞钢绞线嵌铝耐张线夹压接结构及其压接方法
CN206609703U (zh) 一种电缆屈曲试验平台
CN210180802U (zh) 一种用于光纤复合低压电缆的拉伸装置
CN207039072U (zh) 用于碳纤维复合芯导线配套金具的连接装置
CN107370074B (zh) 碳纤维复合芯导线配套金具的预压压紧装置及方法
CN206673468U (zh) 一种牵引网套
CN108760474A (zh) 一种电缆张力弯曲试验用电缆头固定装置
WO2020037657A1 (zh) 一种高强度耐腐蚀铝包pbt结构光纤复合架空地线
CN110768077A (zh) 一种高压线束改制的制作方法
RU2579318C2 (ru) Сердечник для проводов воздушных линий электропередачи
CN110212460A (zh) 超导电缆的牵引连接装置
RU215681U1 (ru) Плоский комбинированный лифтовой кабель
CN216561139U (zh) 一种安全耐压8字缆专用墙用引下金具
CN218300460U (zh) 一种便于拼接的新型抗拉电线
CN203011957U (zh) 一种用于超特高压套管无线电干扰水平测量的连接装置
CN109861150B (zh) 一种低压电缆端部绝缘悬挂装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20949399

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20949399

Country of ref document: EP

Kind code of ref document: A1