Test tool for center clamp installation simulation test
By designing a central clamp installation simulation test fixture and utilizing locking components and support structures, the problem of submarine cable bending caused by central clamp slippage was solved, and stability testing of the submarine cable laying process was achieved.
Patent Information
- Application Number
- CN202423031126.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-10
AI Technical Summary
During the laying of submarine cables, the slippage of the central clamp can cause excessive bending of the cable and damage to the armored steel wires. Existing technologies lack effective simulation test methods to prevent such problems.
A test fixture for simulating the installation of a central clamp was designed, comprising a J-shaped tube, a locking assembly, and a support structure. The central clamp is fixed to the J-shaped tube by the locking assembly, and a traction steel wire rope is used to conduct a simulation test to ensure that the clamp is installed firmly.
A simulation test of the installation of the center clamp was conducted to test the clamp's locking strength, prevent the submarine cable bending limiter from breaking, and ensure the stability of the submarine cable laying process.
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Figure CN223637078U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tool field, concretely relates to a center clamp installation simulation test test tool. BACKGROUND
[0002] In the process of laying, one end of the submarine cable is fixedly connected with the bending limiter, the bending limiter is fixedly installed together with the center clamp, the center clamp is fixedly connected with the traction steel wire rope, and the traction steel wire rope is pulled to drive the center clamp and the bending limiter to move to the trumpet mouth of the J-shaped pipe, but it is found in the actual submarine cable laying process that the bending limiter is broken after touching the bottom due to the low height from the center position of the trumpet mouth of the J-shaped pipe to the mud surface, therefore, simulation test needs to be carried out before the actual submarine cable laying.
[0003] Furthermore, in many offshore wind power projects that have been connected to the grid, the submarine cable center clamp slips to the seabed at the trumpet mouth of the J-shaped pipe of many wind turbines, resulting in excessive bending of the submarine cable, damage to the armored steel wire and failure of the submarine cable. After research and analysis, the reasons for this problem are as follows: (1) the submarine cable laying and installation construction is not in place; (2) the locking torque of the center clamp clamping force is not enough during installation; (3) the submarine cable surface nylon and armored steel wire are deteriorated and aged due to long-term immersion and corrosion in seawater. Therefore, simulation test needs to be carried out on the second reason before the submarine cable laying. SUMMARY
[0004] The utility model discloses a center clamp installation simulation test test tool which solves the problems in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a center clamp installation simulation test test tool, comprising: a first support, a J-shaped pipe, the J-shaped pipe is fixedly installed on the first support, the J-shaped pipe includes a J-shaped pipe body and a trumpet shape component, the J-shaped pipe body and the trumpet shape component are fixedly connected together, the J-shaped pipe body is hollow, the trumpet shape component has a through hole penetrating along the axial direction, the through hole of the trumpet shape component and the inside of the J-shaped pipe body are communicated, so that the submarine cable enters from the through hole of the trumpet shape component and passes out from the J-shaped pipe body; at least four lock catch assemblies are arranged on the trumpet shape component, when the center clamp enters the through hole of the trumpet shape component, the lock catch assemblies lock the center clamp.
[0006] Further, the lock assembly comprises a seat body and a movable lock, the seat body is fixedly arranged on the horn-shaped member, the movable lock is movably connected with the seat body, when the center clamp enters into the through hole of the horn-shaped member, the center clamp and the movable lock are clamped together, so that the center clamp and the movable lock are fixedly connected together, thereby realizing the fixed installation of the center clamp on the J-shaped pipe.
[0007] Further, the lock assembly further comprises a compression spring, one end of the compression spring is fixedly connected with the seat body, the other end of the compression spring is fixedly connected with the movable lock, when the movable lock is stressed, the compression spring is compressed, at this time, the compression spring has elastic force; when the movable lock is not stressed, the compression spring drives the movable lock to move to a preset position under the action of the elastic force.
[0008] Further, when the center clamp is inserted into the through hole of the horn-shaped member, the center clamp extrudes the movable lock, so that the movable lock moves, the compression spring is compressed in the process of the movable lock moving; when the center clamp reaches the preset position, the movable lock is no longer extruded by the center clamp, the movable lock moves to the original position under the driving of the compression spring, so that the movable lock locks the center clamp.
[0009] Further, it further comprises a support platform and a connecting disc, the support platform is fixedly installed on the first support; one end of the J-shaped pipe and the connecting disc are fixedly connected together, the connecting disc is fixedly installed on the support platform, so that the J-shaped pipe is fixedly installed on the first support; the connecting disc is provided with a connecting through hole, the connecting through hole penetrates through the connecting disc, and the connecting through hole and the J-shaped pipe are communicated.
[0010] Further, it further comprises a second support and a first fixed wheel, the second support is fixedly installed on the support platform, the first fixed wheel is fixedly installed on the second support, and the first fixed wheel is located above the connecting disc, one end of the traction steel wire rope and the center clamp are fixedly connected together, the other end of the traction steel wire rope passes through the J-shaped pipe and passes out of the connecting through hole of the connecting disc, and the traction steel wire rope is wound on the first fixed wheel, the traction steel wire rope is pulled, so that the test is carried out.
[0011] Further, it further comprises a second fixed wheel, the second fixed wheel is fixedly installed on the second support, when the traction steel wire rope winds around the first fixed wheel, the traction steel wire rope also winds around the second fixed wheel, so that the traction steel wire rope is more labor-saving when it is pulled.
[0012] Further, the distance between the center position of the trumpet mouth of the trumpet-shaped member and the mud surface is greater than 1.5 meters, and the mud surface is the position where the first support is installed on the ground.
[0013] The center clamp installation simulation test test tool provided by the application has the advantages that the structure is simple, assembly and disassembly are convenient, when testing, the center clamp and the locking buckle assembly on the trumpet-shaped member are locked together by pulling the steel wire rope, so that the locking firmness of the center clamp is tested, secondly, the submarine cable is installed on the bending limiter, in the process of pulling the center clamp, the bending limiter and the submarine cable are also pulled, and when the center clamp is locked, the bending limiter is fixed at a position, and the use is to observe whether the bending limiter is broken. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A structural schematic view of the center clamp installation simulation test test tool is provided.
[0015] Figure 2 For Figure 1 A partial enlarged view of the center clamp installation simulation test test tool shown in the figure.
[0016] Figure 3 A structural schematic view of the locking buckle assembly of the center clamp installation simulation test test tool is provided.
[0017] Figure 4 Another structural schematic view of the locking buckle assembly of the center clamp installation simulation test test tool is provided. DETAILED DESCRIPTION
[0018] The application will be described in further detail below with reference to the drawings. In different embodiments, similar elements are denoted by similar reference numerals. In the following embodiments, many details are described in order to make the application better understood. However, those skilled in the art can easily recognize that some features can be omitted in different cases, or can be replaced by other elements, materials or methods. In some cases, some operations related to the application are not shown or described in the specification, in order to avoid the core part of the application being overwhelmed by too much description, and it is not necessary to describe these related operations in detail for those skilled in the art, who can fully understand the related operations according to the description in the specification and the general technical knowledge in the art.
[0019] In addition, the features described in the specification, operations or characteristics can be combined in any appropriate manner to form various embodiments, and the steps involved in each embodiment can be sequentially exchanged or adjusted in a manner apparent to those skilled in the art. Therefore, the description and drawings are only for the purpose of clearly describing one embodiment, and do not mean the necessary composition and / or order.
[0020] The serial numbers of the components in this paper, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any order or technical meaning. The "connection" and "coupling" in this application include direct and indirect connection (coupling) unless otherwise specified.
[0021] Please refer to Figures 1-4 The present application provides a center clamp installation simulation test tool (hereinafter referred to as "the tool"), which comprises a first support 1, a J-shaped pipe 4, the J-shaped pipe 4 is fixedly installed on the first support 1, the J-shaped pipe 4 comprises a J-shaped pipe body 41, a horn-shaped member 42, the J-shaped pipe body 41 and the horn-shaped member 42 are fixedly connected together, the J-shaped pipe body 41 is hollow inside, the horn-shaped member 42 has a through hole 40 penetrating along the axial direction, the through hole 40 of the horn-shaped member 42 and the inside of the J-shaped pipe body 41 are communicated, so that the submarine cable enters from the through hole 40 of the horn-shaped member 42 and passes out from the J-shaped pipe body 41; At least four lock assemblies 43 are arranged on the horn-shaped member 42, when the center clamp 5 enters the through hole 40 of the horn-shaped member 42, the lock assembly 43 locks the center clamp 5.
[0022] In an embodiment of the present application, the lock assembly 43 comprises a seat body 432 and a movable lock, the seat body 432 is fixedly arranged on the horn-shaped member 42, the movable lock 431 and the seat body 432 are movably connected, when the center clamp 5 enters the through hole 40 of the horn-shaped member 42, the center clamp 5 and the movable lock 431 are engaged together, so that the center clamp 5 and the movable lock 431 are fixedly connected together, so as to realize that the center clamp 5 is fixedly installed on the J-shaped pipe 4.
[0023] In an embodiment of the present application, the lock assembly 43 further comprises a compression spring 433, one end of the compression spring is fixedly connected to the seat body 432, the other end of the compression spring is fixedly connected to the movable lock 431, when the movable lock 431 is stressed, the compression spring is compressed, at this time, the compression spring has elastic force; When the movable lock 431 is not stressed, the compression spring drives the movable lock 431 to move to a preset position under the action of the elastic force.
[0024] In one embodiment of the present application, when the center clamp 5 is inserted into the through hole 40 of the trumpet-shaped member 42, the center clamp 5 presses the movable lock 431, so that the movable lock 431 moves and the compression spring is compressed in the process of movement; when the center clamp 5 reaches the preset position, the movable lock 431 is no longer pressed by the center clamp 5, and the movable lock 431 moves to the original position under the action of the compression spring, so that the movable lock 431 locks the center clamp 5. Although the specific structure of the center clamp 5 is not disclosed in the present application, it is known to those skilled in the art that the center clamp 5 is in the shape of a cylinder, and a circle of protruding edges capable of being buckled with the movable lock 431 is arranged on the circumferential surface of the cylinder; the protruding edges on the center clamp 5 and the movable lock 431 are buckled together, so that the center clamp 5 is fixedly installed on the J-shaped pipe.
[0025] In one embodiment of the present application, the tool further comprises a support platform 2, a connecting disc 6, the support platform 2 is fixedly installed on the first support 1; one end of the J-shaped pipe 4 and the connecting disc 6 are fixedly connected together, the connecting disc 6 is fixedly installed on the support platform 2, so that the J-shaped pipe 4 is fixedly installed on the first support 1; the connecting disc 6 is provided with a connecting through hole 60, the connecting through hole 60 penetrates through the connecting disc 6, and the connecting through hole 60 and the J-shaped pipe 4 are in communication.
[0026] In one embodiment of the present application, the tool further comprises a second support 3, a first fixed wheel 7, the second support 3 is fixedly installed on the support platform 2, the first fixed wheel 7 is fixedly installed on the second support 3, and the first fixed wheel 7 is located above the connecting disc 6; one end of a traction steel wire rope (not shown in the figure) and the center clamp 5 are fixedly connected together, the other end of the traction steel wire rope passes through the J-shaped pipe 4 and passes out of the connecting through hole 60 of the connecting disc 6, and the traction steel wire rope is wound around the first fixed wheel 7; the traction steel wire rope is pulled, so that the test is carried out.
[0027] In one embodiment of the present application, the tool further comprises a second fixed wheel 8, the second fixed wheel 8 is fixedly installed on the second support 3; when the traction steel wire rope winds around the first fixed wheel 7, the traction steel wire rope also winds around the second fixed wheel 8, so that the traction steel wire rope is more labor-saving when it is pulled.
[0028] In one embodiment of the present application, the distance between the center position of the trumpet mouth of the trumpet-shaped member 42 and the mud surface is greater than 1.5 meters, and the mud surface is the position where the first support 1 is installed on the ground.
[0029] The center clamp installation simulation test test tool provided by the application has simple structure, is easy to assemble and disassemble, and is used for testing the locking firmness of the center clamp by pulling the steel wire rope and locking the locking buckle assembly on the center clamp and the horn-shaped member together; secondly, the submarine cable is installed on the bending limiter, the bending limiter and the submarine cable are also pulled in the process of pulling the center clamp, and the bending limiter is fixed at a position when the center clamp is locked, so that whether the bending limiter is broken can be observed.
[0030] The above examples are only for illustrating the technical concept and characteristics of the application, the purpose is to enable the person skilled in the art to understand the content of the application and to implement it, and cannot limit the protection scope of the application. Any equivalent changes or modifications made according to the spirit and essence of the application shall be covered within the protection scope of the application.
Claims
1. A center clamp installation simulation test test fixture, characterized by, The utility model provides a kind of submarine cable test device, including: First support, J type pipe, the J type pipe is fixedly installed on the first support, the J type pipe includes J type pipe body, horn shape component, the J type pipe body and the horn shape component are fixedly connected together, the J type pipe body is hollow inside, the horn shape component has through hole along axial, the through hole of the horn shape component and the inside of the J type pipe body are communicated, so that submarine cable enters from the through hole of the horn shape component, and from the J type pipe body, the horn shape component is provided with at least 4 lock catch assemblies, when center clamp enters the through hole of the horn shape component, the lock catch assembly locks center clamp.
2. The center clamp installation simulation test test fixture of claim 1, wherein, The lock catch assembly includes a seat and a movable lock catch, the seat is fixedly arranged on the horn shape component, the movable lock catch is movably connected with the seat, when the center clamp enters the through hole of the horn shape component, the center clamp and the movable lock catch are engaged together, so that the center clamp and the movable lock catch are fixedly connected together, to realize that the center clamp is fixedly installed on the J type pipe.
3. The center clamp installation simulation test test fixture of claim 2, wherein, The lock catch assembly further includes a compression spring, one end of the compression spring is fixedly connected with the seat, the other end of the compression spring is fixedly connected with the movable lock catch, when the movable lock catch is stressed, the compression spring is compressed, at this time, the compression spring has elastic force; when the movable lock catch is not stressed, the compression spring drives the movable lock catch to move to a preset position under the action of the elastic force.
4. The center clamp installation simulation test test fixture of claim 3, wherein, When the center clamp is inserted into the through hole of the horn shape component, the center clamp extrudes the movable lock catch, so that the movable lock catch moves, and the compression spring is compressed during the movement of the movable lock catch; when the center clamp reaches the preset position, the movable lock catch is no longer extruded by the center clamp, and moves to the original position under the driving of the compression spring, so that the movable lock catch locks the center clamp.
5. The center clamp installation simulation test test fixture of claim 4, wherein, Further comprising a support platform and a connecting disc, the support platform is fixedly installed on the first support; one end of the J type pipe is fixedly connected with the connecting disc, and the connecting disc is fixedly installed on the support platform, so that the J type pipe is fixedly installed on the first support; the connecting disc is provided with a connecting through hole, the connecting through hole penetrates through the connecting disc, and the connecting through hole and the J type pipe are communicated.
6. The center clamp installation simulation test test fixture of claim 5, wherein, Further comprising a second support and a first fixed wheel, the second support is fixedly installed on the support platform, the first fixed wheel is fixedly installed on the second support, and the first fixed wheel is located above the connecting disc; one end of the traction steel wire rope is fixedly connected with the center clamp, the other end of the traction steel wire rope passes through the J type pipe and the connecting through hole of the connecting disc, and the traction steel wire rope is wound on the first fixed wheel; pulling the traction steel wire rope to perform the test.
7. The center clamp installation simulation test test fixture of claim 6, wherein, Second fixed wheel is also included, second fixed wheel is fixedly installed on second support, when traction steel wire rope is around first fixed wheel, traction steel wire rope is also around second fixed wheel, so that traction steel wire rope is more labor-saving.
8. The center clamp installation simulation test fixture of claim 7, wherein, The distance between the center of the trumpet mouth of the trumpet-shaped member and the mud surface is greater than 1.5 meters, and the mud surface is the position where the first support is installed on the ground.