Mooring cable wear resistance test device
A test device and wear-resistant technology, applied in the direction of testing wear resistance, etc., can solve the problems of retention cable wear, difficult real-time monitoring, long time period, etc., to achieve adjustable rotation angle, convenient and fast implementation, simple and reliable structure. Effect
Active Publication Date: 2019-04-09
CSIC NO 710 RES & DEV INST
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Problems solved by technology
The above-mentioned movement prompts the mooring platform to constantly change its posture, causing relative sliding between the mooring cable system and the cable guide, resulting in wear and tear on the mooring cable system and the cable guide, which can easily cause the mooring platform to fail in service
[0003] Carrying out laboratory simulation verification tests can effectively solve the unfavorable factors such as long time period, large expenditure of funds, and difficulty in real-time monitoring brought about by purely relying on test methods for research and analysis.
For mooring platforms with complex movements, the simulation test using a single factor obviously cannot truly reflect the actual operating conditions of the mooring platform, and lacks conditions for objective and accurate evaluation of the wear resistance of the mooring cable system in service
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Embodiment Construction
[0022] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0023] This embodiment provides a mooring cable system wear resistance test device, which can effectively test whether the mooring cable system can meet the wear resistance of the mooring platform by comprehensively simulating the motion trajectory of the mooring platform in multiple dimensions such as pitch, roll and roll. Abrasive requirements.
[0024] To simulate the motion characteristics of the mooring platform in the mooring state in the laboratory, the mooring platform needs to produce pitch, swing, roll and spin of the cable system (the spin torque is related to the length of the cable and the stress state). Analysis of the motion trajectory of the mooring platform is essentially two parts: 1) the reciprocating swing and rotation of the mooring cable around the mooring component; 2) the rolling of the mooring platform or the spinning of the cable ...
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The invention provides a mooring cable wear resistance test device. The mooring motion characteristics of an underwater mooring platform are simulated in a laboratory, thereby verifying the wear resistance of a mooring cable of the mooring platform in service for a long period of time. The mooring cable wear resistance test device specifically comprises a drive motor, a speed regulating driving mechanism, a trajectory conversion mechanism, a tie-down mounting seat and a traction assembly, wherein the trajectory conversion mechanism is used for simulating the movement trajectory of an anchor; the included angle between the trajectory conversion mechanism and the mooring mounting seat, and the amplitude of rotation of a planetary gear around the mooring mounting seat together simulate the amplitudes of swinging and pitching of the mooring platform under the action of water flow; and the rotation angle of the planetary gear around the axis of the planetary gear simulates the roll angle ofthe mooring platform.
Description
technical field [0001] The invention relates to a test device, in particular to a wear resistance test device for a cable system. Background technique [0002] For mooring platforms that have been in service for a long period of time (service duty cycle ≥ 180d), the mooring cable system is a key component connecting the mooring platform and the anchor. Once a problem occurs, the platform will be separated and unable to complete the intended task. During service, under the action of water flow, the mooring platform swings laterally in a plane perpendicular to the direction of flow velocity, and swings back and forth along the direction of flow velocity. At the same time, the mooring platform makes pitch, swing, and roll motions around its own motion center of mass and longitudinal axis. The above-mentioned movement prompts the mooring platform to constantly change its posture, causing relative sliding between the mooring cable system and the cable guide, resulting in wear and...
Claims
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IPC IPC(8): G01N3/56
CPCG01N3/56
Inventor 徐哲陈兴球蒋平曹振宇黄鹏付光辉
Owner CSIC NO 710 RES & DEV INST