Physical model test structure of offshore multi-module floating body combined platform connector structure

Abstract

A physical model test structure for a connector structure of an offshore multi-module floating body combined platform belongs to the technical field of offshore ultra-large floating platforms, and comprises two multi-module floating platform units, a compression structure and a tension structure, the two multi-module floating platform units are connected through the compression structure, and the two multi-module floating platform units are connected through the tension structure. The two multi-module floating platform units are connected through a tension structure. Wherein a main body structure of the flexible connector is composed of a connecting steel cable and a rubber fender structure, the connecting steel cable structure is designed to be composed of a steel wire rope and a micro spring, tension measurement equipment is arranged on the upper portion of a deck in a pulley steering mode, fender pressure and shear force measurement adopts an embedded measurement mode, and a fender model is installed on a sensor. And force measurement is realized. The device solves the problem of connector load measurement in a narrow space in a model test, can accurately test the stress of the multi-body structure connector, is simple to operate, low in manufacturing cost and convenient to process, and can be widely applied to tests of various multi-body structure connectors.

Description

TECHNICAL FIELD

[0001] The utility model belongs to offshore super large floating platform technical field, concretely relates to a kind of offshore multi-module floating body combined platform connector structure physical model test structure. BACKGROUND

[0002] The development and design of offshore super large floating platform structure is an important part of China's marine space resource development strategy. Offshore super large structure is often designed with flexible connection of multiple floating modules to reduce internal stress. The flexible connector is the most important structure in the multi-module flexible connection floating platform. Physical model test is a necessary process to verify the reliability of new floating structure design. However, due to the small distance between modules, the distance between modules is only a few centimeters in the model scale. How to overcome the problem of limited space between modules, design and install the connector model that meets the model scale in limited space, and measure the stress response of the connector through measurement equipment is a problem to be solved. UTILITY MODEL CONTENT

[0003] To solve the above problems, the utility model provides: a kind of offshore multi-module floating body combined platform connector structure physical model test structure, including two multi-module floating platform units, pressure structure, tension structure, two multi-module floating platform units are connected through pressure structure, two multi-module floating platform units are connected through tension structure.

[0004] Further, the pressure structure includes rubber fender, and the two multi-module floating platform units are connected through the rubber fender, and a three-component sensor is embedded on the rubber fender.

[0005] Further, the three-component sensor is arranged on the fixed support, and the fixed support.

[0006] Further, the tension structure includes steel cable, diverting pulley and tension spring, one multi-module floating platform unit is fixed on the deck on the upper surface of the multi-module floating platform unit through the steel cable passing through a plurality of diverting pulleys on the other multi-module floating platform unit, and a tension spring is arranged on the steel cable on the deck.

[0007] Further, a tension sensor is arranged on the steel cable on the deck.

[0008] Further, a tension adjusting device is arranged on the steel cable on the deck.

[0009] The utility model has the advantages that: the connector physical model design and measurement method of the utility model can successfully measure the stress data of the connector, and provide a technical guidance for the subsequent research and development of more multi-module combined floating body physical model test design.

[0010] The model experiment material of the connector physical model experiment design scheme is a conventional material, and does not need to be specially customized, so that the processing and construction cost is low. Meanwhile, the materials in the connector are widely applied, and have reliable material properties and rich design experience.

[0011] The utility model discloses structure has expandability and structural adaptability, and the connector structural component can be flexibly adjusted according to the test main body structure in model experiment, and can be connected to the specific platform by installing different groups of connector structures for different floating module sizes. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the front view of the utility model;

[0013] Fig. 2 It is the plan view of the utility model;

[0014] Fig. 3 It is the side view of the utility model of measuring connector model.

[0015] Wherein: 1, multi-module floating platform unit;2, rubber fender;3, three-component sensor;4, fixed support;5, steel cable;6, steering pulley;7, tension sensor;8, tension spring;9, tension adjusting device. DETAILED DESCRIPTION

[0016] In order to make the technical means and purposes of the utility model easy to understand, the utility model is further described below in combination with specific embodiments, a kind of offshore multi-module floating body combined platform connector structure physical model test structure and measurement method, as shown in Figs. 1-3 As shown, including two multi-module floating platform units 1, pressure structure, tension structure, two multi-module floating platform units 1 are connected by pressure structure, and two multi-module floating platform units 1 are connected by tension structure.

[0017] Wherein, the pressure structure includes rubber fender 2, and multi-module floating platform unit 1 is connected by rubber fender 2, and three-component sensor 3 is embedded on rubber fender 2.

[0018] Wherein, the three-component sensor 3 is arranged on the fixed support 4, and the fixed support 4.

[0019] Wherein, the tension structure includes steel cable 5, steering pulley 6 and tension spring 8, and one multi-module floating platform unit 1 is fixed on the deck on the upper surface of multi-module floating platform unit 1 by steel cable 5 passing through multiple steering pulleys 6 on another multi-module floating platform unit 1, and tension spring 8 is arranged on steel cable 5 on the deck.

[0020] Wherein, tension sensor 7 is arranged on steel cable 5 on the deck.

[0021] The tension adjusting device 9 is arranged on the steel cable 5 on the deck.

[0022] The measuring system of two floating body units in the multi-module floating platform is composed of a rubber fender, a three-component sensor, a fixed support, a steel cable, a steering pulley, a tension sensor, a tension spring and a tension adjusting device. The pressure is borne by the rubber fender 2, and the rubber fender 2 and the three-component sensor 3 are fixed in the multi-module floating platform unit 1 through the fixed support 4. The tension is borne by the steel cable 5, and the force is transmitted to the deck through the multiple steering pulleys 6 and connected with the tension sensor 7.

[0023] The miniature tension spring 8 and the tension sensor 7 are arranged on the top of the deck in the form of pulley steering, so that the moving position of the tension measurement is realized.

[0024] The tension adjusting device 9 is arranged on the top of the deck in the form of pulley steering, so that the moving position of the tension measurement is realized.

[0025] The pressure and shear force of the fender can be measured by the three-component force sensor 3. The embedded sensor installation method is adopted, the main body of the three-component force sensor 3 is embedded in the fender model, and the fender model is installed on the sensor, so that the pressure and shear force of the fender can be measured.

[0026] The tension structure and the compression structure cooperate with each other to realize the measurement of the connector load between the multi-modules.

[0027] The technical scheme adopted by the utility model is as follows:

[0028] The flexible connector main structure is composed of the connecting steel cable 5 and the rubber fender 2 structure. The connecting steel cable 5 is composed of the miniature tension spring 8 and the steel wire rope, and the rubber fender 2 structure can select elastic materials such as foamed silica gel and PVC.

[0029] Further technical scheme is:

[0030] The connecting steel cable 5 structure is composed of the steel wire rope and the miniature tension spring 8. Due to the limited space, the miniature tension spring 8 and the tension sensor 7 cannot be arranged between the modules, therefore, the pulley steering form is adopted in the design of the patent, the miniature tension spring 8 and the tension sensor 7 are arranged on the top of the deck, and the tension adjusting device 9 is arranged, so that the pre-tension of the connecting steel cable 5 can be adjusted in the model test.

[0031] The rubber fender 2 structure is made of common elastic materials such as PVC and foamed silica gel. The fender pressure and shear force measurement can be measured by a three-component sensor 3. However, due to the small spacing between the modules, the sensor is usually large in size. Therefore, the embedded sensor installation method is adopted in the patent design, the sensor body is embedded in the model, and the fender model is installed on the sensor, so that the fender pressure and shear force measurement can be realized.

[0032] The model experiment material of the connector physical model experiment design scheme is a conventional material, and special customization is not required, so that the processing and construction cost is low. Meanwhile, the materials in the connector are widely used, and have reliable material properties and rich design experience.

[0033] The utility model discloses structure has expandability and structural adaptability, and the connector structural component can be flexibly adjusted according to the test main body structure in model experiment, and the connection effect for specific platform can be realized through the installation of different groups of connector structures for different floating module size.

[0034] In the physical model test, the micro spring and fender material need to be calibrated by a universal testing machine to select the test material that meets the test design requirements.

[0035] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and conception of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A physical model test structure of a connector structure of a multi-module floating body assembly platform at sea, characterized by, The application relates to a two multi-module floating platform unit (1), a pressure structure and a tension structure, wherein the two multi-module floating platform units (1) are connected through the pressure structure, and the two multi-module floating platform units (1) are connected through the tension structure. The pressure structure comprises rubber fenders (2), the two multi-module floating platform units (1) are connected through the rubber fenders (2), and three-component sensors (3) are embedded on the rubber fenders (2). The three-component sensors (3) are arranged on fixing supports (4). The tension structure comprises steel cables (5), steering pulleys (6) and tension springs (8), one multi-module floating platform unit (1) is fixed on a deck on the upper surface of the multi-module floating platform unit (1) through the steel cables (5) penetrating through a plurality of steering pulleys (6) on another multi-module floating platform unit (1), and tension springs (8) are arranged on the steel cables (5) on the deck.

2. The physical model test structure of a connector structure of a multi-module offshore floating body combined platform according to claim 1, characterized in that, Tension sensors (7) are arranged on the steel cables (5) on the deck.

3. The physical model test structure of a connector structure of a multi-module offshore floating body combined platform according to claim 1, characterized in that, Tension adjusting devices (9) are arranged on the steel cables (5) on the deck.

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