CN204964287U - Steel hangs chain line riser experiment displacement analogue means - Google Patents
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- 239000010959 steel Substances 0.000 title claims abstract description 22
- 238000002474 experimental method Methods 0.000 title claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 title abstract description 9
- 238000004088 simulation Methods 0.000 claims abstract description 46
- 239000002689 soil Substances 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims description 6
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- 238000004458 analytical method Methods 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 7
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- 230000003993 interaction Effects 0.000 description 4
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- 238000011161 development Methods 0.000 description 3
- 238000009661 fatigue test Methods 0.000 description 3
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Abstract
本实用新型涉及钢悬链线立管实验设备领域，尤其涉及一种钢悬链线立管实验位移模拟装置，包括土箱、实验立管、立管工程环境模拟装置和模拟装置电机，所述土箱内壁上安装立管工程模拟装置，实验立管一段链接立管工程模拟装置，一端固定在土箱上，立管工程环境模拟装置安装在模拟装置电机的转轴上。本实用新型相比于现有技术其优点在于能够通过多自由度运动来模拟立管受到的两个方向的径向力和轴向的扭转力，使被测试立管模型更加接近工程实际来采集试验数据，以便实验所得到的实验数据分析结果能更好地促进理论研究与数值分析，并由此指导立管的整体设计与分析，保证立管在深水油气开采中的安全可靠应用。
The utility model relates to the field of steel catenary riser experimental equipment, in particular to a steel catenary riser experimental displacement simulation device, including a soil box, an experimental riser, a riser engineering environment simulation device and a simulation device motor. The riser engineering simulation device is installed on the inner wall of the soil box. One section of the experimental riser is connected to the riser engineering simulation device, and one end is fixed on the soil box. The riser engineering environment simulation device is installed on the rotating shaft of the simulation device motor. Compared with the prior art, the utility model has the advantage that it can simulate the radial force in two directions and the torsional force in the axial direction received by the standpipe through multi-degree-of-freedom movement, so that the tested standpipe model can be collected closer to the actual engineering The experimental data, so that the experimental data analysis results obtained from the experiment can better promote theoretical research and numerical analysis, and thus guide the overall design and analysis of the riser to ensure the safe and reliable application of the riser in deepwater oil and gas production.
Description
技术领域 technical field
本实用新型涉及深水钢悬链线立管技术领域，尤其涉及一种钢悬链线立管实验位移模拟装置。 The utility model relates to the technical field of deep-water steel catenary risers, in particular to an experimental displacement simulation device for steel catenary risers.
背景技术 Background technique
立管系统作为海上油气生产的大动脉，在海洋油气资源开发中占有中流砥柱的地位。随着水深支架，深水钢悬链线立管在成本控制、适用水深和顺应能力等实用新型逐渐展现出独特优势，并取代传统立管，成为深海尤其资源开发低成本高效益的立管解决方案，作为连接海上浮式装置和海底管道的系统被广泛用于各种水深开发项目中。 As the main artery of offshore oil and gas production, the riser system occupies the mainstay position in the development of offshore oil and gas resources. With the support of water depth, the utility model of deepwater steel catenary riser gradually shows its unique advantages in cost control, applicable water depth and compliance ability, and replaces the traditional riser, becoming a low-cost and high-efficiency riser solution for deep sea especially resource development , as a system connecting offshore floating devices and submarine pipelines is widely used in various deep water development projects.
针对深水钢悬链线立管的触地点区域，管-土相互作用原型试验耗资巨大，且难以观测等问题。当今国内外已经开展了大量管土作用小尺寸模拟实验，但这些实验研究主要集中在采用小直径立管与土的简单单一作用来模拟，并不能完整的反映出立管在工程应用中实际环境状况。 Aiming at the contact point area of deepwater steel catenary risers, the prototype test of pipe-soil interaction is costly and difficult to observe. At present, a large number of small-scale simulation experiments of pipe-soil interaction have been carried out at home and abroad, but these experimental studies mainly focus on the simple single-action simulation of small-diameter risers and soil, which cannot fully reflect the actual environment of risers in engineering applications. situation.
公开号CN103575858A，公开日是2014年2月12日，公开了一种三维钢悬链线立管与土壤相互作用的实验装置，该实验装置通过研究测试管横向、纵向、垂向三个方向的运动，让测试管更加接近工程实际来采集试验数据，以便三维实验所得到的实验数据分析结果能更好地促进理论研究与数值分析，由此指导立管的整体设计与分析，保证立管在深水油气开采中的安全可靠应用。包括土箱、测试管、计算机、伺服电机和数据采集单元，数据采集单元包括激光数据采集器，在土箱内的底部铺设有一定厚度的土壤，测试管平放在土壤的上表面上，把测试管一端固定在土箱内壁上，测试管另一端连接在三维移动机上，并在测试管上设有三维坐标轨迹路径采集机构。主要用于深水钢悬链线立管的设计技术中。 Publication number CN103575858A, the publication date is February 12, 2014, which discloses an experimental device for the interaction between a three-dimensional steel catenary riser and soil. Movement, so that the test tube is closer to the actual engineering to collect test data, so that the experimental data analysis results obtained from the three-dimensional experiment can better promote theoretical research and numerical analysis, thereby guiding the overall design and analysis of the riser, ensuring that the riser is in Safe and reliable application in deepwater oil and gas production. It includes a soil box, a test tube, a computer, a servo motor and a data acquisition unit. The data acquisition unit includes a laser data collector. A certain thickness of soil is laid at the bottom of the soil box. The test tube is placed flat on the upper surface of the soil. One end of the test tube is fixed on the inner wall of the soil box, and the other end of the test tube is connected to the three-dimensional moving machine, and a three-dimensional coordinate trajectory acquisition mechanism is arranged on the test tube. It is mainly used in the design technology of deep water steel catenary risers.
公开号CN201965061U，公开日是2011年9月7日，名称为一种深水立管疲劳实验装置的方案中公开了一种深水立管疲劳实验装置，它包括主缸筒、轴向加载缸、立管试件总成、横向伺服加载缸、土体作用伺服加载缸；主缸筒顶部设置外压接口和放气阀；主缸筒两端分别连接一具有轴向力接口的轴向加载缸；立管试样总成两端分别铰接在相应一侧的轴向加载缸活塞上，立管试样总成包括一试样主体和一连杆；试样主体下方设置有模拟土体；试样主体两端分别设置一内压接口；试样主体上设置有若干传感器，各传感器的测试引线穿出主缸筒连接测试仪器；各横向伺服加载缸和土体作用伺服加载缸均设置在主缸筒上，其中两个横向伺服加载缸的活塞顶在试样主体顶部，另一个横向伺服加载缸的活塞顶在试样主体与连杆连接处底部；各土体作用伺服加载缸的活塞顶在模拟土体底部。不足之处在于，这种立管疲劳实验装置只在一个方向上对立管进行测试，不能反映立管的工程实际，所试验得出的试验结果不能用于指导立管的整体设计与分析。 Publication number CN201965061U, the public date is September 7, 2011, and a deep water riser fatigue test device is disclosed in the scheme named a deep water riser fatigue test device, which includes a main cylinder, an axial loading cylinder, a vertical Tube specimen assembly, lateral servo loading cylinder, and soil action servo loading cylinder; the top of the main cylinder is provided with an external pressure interface and an air release valve; both ends of the main cylinder are respectively connected to an axial loading cylinder with an axial force interface; The two ends of the standpipe sample assembly are respectively hinged on the piston of the axial loading cylinder on the corresponding side. The standpipe sample assembly includes a sample body and a connecting rod; a simulated soil is arranged under the sample body; the sample The two ends of the main body are respectively provided with an internal pressure interface; the main body of the sample is provided with a number of sensors, and the test leads of each sensor pass through the main cylinder to connect to the test instrument; each lateral servo loading cylinder and soil action servo loading cylinder are set in the main cylinder On the cylinder, the piston tops of two lateral servo loading cylinders are on the top of the sample body, and the piston tops of the other horizontal servo loading cylinder are on the bottom of the connection between the sample body and the connecting rod; the piston tops of each soil action servo loading cylinder are on the Simulates the bottom of a soil mass. The disadvantage is that this riser fatigue test device only tests the standpipe in one direction, which cannot reflect the engineering reality of the standpipe, and the test results obtained by the test cannot be used to guide the overall design and analysis of the standpipe.
实用新型内容 Utility model content
本实用新型针对以上技术缺陷，立足于解决当下钢悬链线立管与土壤相互作用的实验装置的种种不足，提出了一种钢悬链线立管实验位移模拟装置，该模拟装置可以通过多自由度运动来模拟立管受到的两个方向的径向力和轴向的扭转力，使被测试立管模型更加接近工程实际来采集试验数据，以便实验所得到的实验数据分析结果能更好地促进理论研究与数值分析，并由此指导立管的整体设计与分析，保证立管在深水油气开采中的安全可靠应用。 Aiming at the above technical defects, the utility model is based on solving various deficiencies of the current experimental device for the interaction between the steel catenary riser and the soil, and proposes an experimental displacement simulation device for the steel catenary riser, which can pass through multiple The degree of freedom movement is used to simulate the radial force and axial torsional force in the two directions of the standpipe, so that the tested riser model is closer to the engineering reality to collect test data, so that the experimental data analysis results obtained by the experiment can be better. It can promote theoretical research and numerical analysis, and thus guide the overall design and analysis of the riser, so as to ensure the safe and reliable application of the riser in deepwater oil and gas production.
为解决上述技术问题，本实用新型提出了一种钢悬链线立管实验位移模拟装置，包括土箱、实验立管、立管工程环境模拟装置和模拟装置电机，所述土箱内壁上安装立管工程模拟装置，实验立管一段链接立管工程模拟装置，一端固定在土箱上，立管工程环境模拟装置安装在模拟装置电机的转轴上。 In order to solve the above-mentioned technical problems, the utility model proposes a simulation device for the experimental displacement of a steel catenary riser, including a soil box, an experimental riser, a riser engineering environment simulation device and a simulation device motor, and the inner wall of the soil box is installed The riser engineering simulation device, one section of the experimental riser is connected to the riser engineering simulation device, and one end is fixed on the soil box, and the riser engineering environment simulation device is installed on the rotating shaft of the simulation device motor.
进一步地，立管工程环境模拟装置包括转轴、基座、第一滑道、第二滑道、第一丝杠、第二丝杠、第一滑块、第二滑块、立管电机和立管安装头，其中基座一侧安装转轴，另一侧安装第二滑道，第二滑道内安装第二滑块和第二丝杠，第二丝杠与第二滑块之间为螺纹配合；第二滑块上安装第一滑道，第一滑道内安装第一丝杠和第一滑块，第一丝杠和第一滑块之间为螺纹配合，第一滑块上安装立管电机，立管安装头安装在立管电机转轴上，第一丝杠和第二丝杠均外接电机。 Further, the riser engineering environment simulation device includes a rotating shaft, a base, a first slideway, a second slideway, a first lead screw, a second lead screw, a first slide block, a second slide block, a standpipe motor and a standpipe motor. Pipe installation head, wherein one side of the base is installed with a rotating shaft, and the other side is installed with a second slideway, and a second slider and a second lead screw are installed in the second slideway, and the second lead screw and the second slider are threaded. ; Install the first slideway on the second slider, install the first screw and the first slider in the first slideway, the thread fit between the first screw and the first slider, and install the riser on the first slider The motor, the standpipe installation head is installed on the shaft of the standpipe motor, and the first leading screw and the second leading screw are all externally connected to the motor.
进一步地，转轴与模拟装置电机的转轴沿轴向安装。 Further, the rotating shaft is axially installed with the rotating shaft of the motor of the simulation device.
进一步地，实验立管通过安装夹固定在土箱上。 Further, the experimental standpipe is fixed on the soil box by mounting clips.
进一步地，土箱内设有盛土层。 Further, a soil holding layer is arranged in the soil box.
进一步地，模拟装置电机安装在模拟装置电机架上。 Further, the simulation device motor is installed on the simulation device motor frame.
本实用新型相比于现有技术其优点在于能够通过多自由度运动来模拟立管受到的两个方向的径向力和轴向的扭转力，使被测试立管模型更加接近工程实际来采集试验数据，以便实验所得到的实验数据分析结果能更好地促进理论研究与数值分析，并由此指导立管的整体设计与分析，保证立管在深水油气开采中的安全可靠应用。 Compared with the prior art, the utility model has the advantage that it can simulate the radial force and axial torsional force in two directions received by the standpipe through multi-degree-of-freedom movement, so that the tested standpipe model can be collected closer to the actual engineering The experimental data, so that the experimental data analysis results obtained from the experiment can better promote theoretical research and numerical analysis, and thus guide the overall design and analysis of the riser to ensure the safe and reliable application of the riser in deepwater oil and gas production.
附图说明 Description of drawings
接下来结合附图对本实用新型进行进一步说明。 Next, the utility model is further described in conjunction with the accompanying drawings.
附图1为本实用新型一种钢悬链线立管实验位移模拟装置的装配图。 Accompanying drawing 1 is the assembly diagram of a kind of steel catenary riser experimental displacement simulation device of the present invention.
附图2为本实用新型一种钢悬链线立管实验位移模拟装置的装配图。 Accompanying drawing 2 is the assembly drawing of a kind of steel catenary riser experimental displacement simulation device of the present invention.
附图3为本实用新型一种钢悬链线立管实验位移模拟装置的立管工程环境模拟装置结构图。 Accompanying drawing 3 is the structural diagram of the riser engineering environment simulation device of a steel catenary riser experimental displacement simulation device of the utility model.
具体实施方式 detailed description
下面通过实施例，并结合附图，对本实用新型的技术方案作进一步具体说明，显然，所述的实施例仅仅是本实用新型的本分实施例。 The technical solutions of the present utility model will be further specifically described below through the embodiments, in conjunction with the accompanying drawings. Obviously, the described embodiments are only the present embodiments of the present utility model.
参见附图1、2，为一种钢悬链线立管实验位移模拟装置，包括土箱1、实验立管3、立管工程环境模拟装置4和模拟装置电机15，其特征在于，所述土箱1内壁上安装立管工程模拟装置4，实验立管3一段链接立管工程模拟装置4，一端固定在土箱1上，立管工程环境模拟装置4安装在模拟装置电机15的转轴上，土箱1上设有转轴孔，用于转轴6穿过并与与模拟装置电机15的转轴沿轴向安装，模拟装置电机15安装在模拟装置电机架16上。实验立管3通过安装夹17固定在土箱1上。 Referring to accompanying drawing 1,2, be a kind of steel catenary riser experiment displacement simulation device, comprise earth box 1, experiment riser 3, riser engineering environment simulation device 4 and simulation device motor 15, it is characterized in that, described The riser engineering simulation device 4 is installed on the inner wall of the soil box 1, the experimental riser 3 is connected to the riser engineering simulation device 4, and one end is fixed on the soil box 1, and the riser engineering environment simulation device 4 is installed on the rotating shaft of the simulation device motor 15 , The soil box 1 is provided with a rotating shaft hole for the rotating shaft 6 to pass through and be installed axially with the rotating shaft of the simulation device motor 15, and the simulation device motor 15 is installed on the simulation device motor frame 16. The experimental riser 3 is fixed on the soil box 1 through the installation clip 17 .
参见附图3，为立管工程环境模拟装置4，包括转轴6、基座5、第一滑道7、第二滑道8、第一丝杠9、第二丝杠10、第一滑块11、第二滑块12、立管电机13和立管安装头14，其中基座5一侧安装转轴6，另一侧安装第二滑道8，第二滑道8内安装第二滑块12和第二丝杠10，第二丝杠10与第二滑块12之间为螺纹配合；第二滑块12上安装第一滑道7，第一滑道7内安装第一丝杠9和第一滑块11，第一丝杠9和第一滑块11之间为螺纹配合，第一滑块11上安装立管电机13，立管安装头14安装在立管电机13转轴上，第一丝杠9和第二丝杠10均外接电机。 Referring to accompanying drawing 3, it is riser engineering environment simulation device 4, comprises rotating shaft 6, base 5, first slideway 7, second slideway 8, first lead screw 9, second lead screw 10, first slide block 11. The second slider 12, the standpipe motor 13 and the standpipe installation head 14, wherein the rotating shaft 6 is installed on one side of the base 5, and the second slideway 8 is installed on the other side, and the second slider is installed in the second slideway 8 12 and the second lead screw 10, the second lead screw 10 and the second slide block 12 are threaded; the first slideway 7 is installed on the second slide block 12, and the first lead screw 9 is installed in the first slideway 7 With the first slide block 11, be threaded fit between the first leading screw 9 and the first slide block 11, the standpipe motor 13 is installed on the first slide block 11, and the standpipe installation head 14 is installed on the standpipe motor 13 rotating shafts, Both the first leading screw 9 and the second leading screw 10 are externally connected with a motor.
土箱1内设有盛土层2，用来盛放模拟土壤。 The soil box 1 is provided with a soil holding layer 2 for containing simulated soil.
本装置的实验原理为，两个丝杠带动滑块运动模拟多方向的径向运动，模拟装置电机15用来控制径向运动的初始方向，立管电机13用来提供扭矩模拟立管所受到的扭转力，使被测试立管模型更加接近工程实际来采集试验数据，以便实验所得到的实验数据分析结果能更好地促进理论研究与数值分析，并由此指导立管的整体设计与分析，保证立管在深水油气开采中的安全可靠应用。 The experimental principle of this device is that two lead screws drive the slider to simulate multi-directional radial motion, the simulation device motor 15 is used to control the initial direction of radial motion, and the riser motor 13 is used to provide torque to simulate the impact of the riser. The torsional force of the tested riser model is closer to the actual engineering to collect test data, so that the experimental data analysis results obtained from the experiment can better promote theoretical research and numerical analysis, and thus guide the overall design and analysis of the riser , to ensure the safe and reliable application of the riser in deepwater oil and gas exploitation.
应理解，实施例将有助于本领域的技术人员进一步理解本实用新型，但不以任何形式限制本实用新型。应当指出的是，对本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干变形和改进。这些都属于本实用新型的保护范围。 It should be understood that the examples will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present utility model. These all belong to the protection domain of the present utility model.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389480A (en) * | 2017-08-31 | 2017-11-24 | 中国海洋大学 | A kind of ocean compliant riser multiaxle fatigue experimental device |
| CN110657936A (en) * | 2019-10-25 | 2020-01-07 | 中国海洋大学 | Experimental device for simulating interaction between seabed suspended pipeline and shoulder-spanning soil body |
| CN112113756A (en) * | 2020-09-09 | 2020-12-22 | 天津大学 | An experimental device for simulating fatigue damage of deep-water steel catenary risers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389480A (en) * | 2017-08-31 | 2017-11-24 | 中国海洋大学 | A kind of ocean compliant riser multiaxle fatigue experimental device |
| CN110657936A (en) * | 2019-10-25 | 2020-01-07 | 中国海洋大学 | Experimental device for simulating interaction between seabed suspended pipeline and shoulder-spanning soil body |
| CN112113756A (en) * | 2020-09-09 | 2020-12-22 | 天津大学 | An experimental device for simulating fatigue damage of deep-water steel catenary risers |
| CN112113756B (en) * | 2020-09-09 | 2021-10-08 | 天津大学 | An experimental device for simulating fatigue damage of deep-water steel catenary risers |
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