CN209372595U - Testing device for simulating suspended settlement deformation of pipeline - Google Patents
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 27
- 238000004088 simulation Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
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Abstract
本实用新型提供了一种模拟管道悬空沉降变形的试验装置，所述装置包含管道、滑道、质量块、多个管托、多个滑块、多个弹簧和多个高度标尺；所述管道两端连接进水口和出水口，用于通过注水模拟管道弯曲载荷；所述管托包含上管托和下管托，所述上管托和所述下管托用于固定所述管道；所述下管托通过弹簧与设置于所述滑道中的滑块相连；所述滑块与所述滑道之间活动连接；所述质量块安置于所述上管托上，用于模拟上覆土对所述管道的压力；所述高度标尺设置于所述滑块上，用于测量管道的沉降量。
The utility model provides a test device for simulating the settlement deformation of a pipeline suspended in the air. The device comprises a pipeline, a slideway, a quality block, a plurality of pipe holders, a plurality of sliders, a plurality of springs and a plurality of height scales; the pipeline The two ends are connected to the water inlet and the water outlet, and are used to simulate the bending load of the pipeline through water injection; the pipe holder includes an upper pipe holder and a lower pipe holder, and the upper pipe holder and the lower pipe holder are used to fix the pipeline; The lower pipe support is connected to the slider arranged in the slideway through a spring; the slide block is flexibly connected to the slideway; the mass block is placed on the upper pipe support for simulating the overlying soil The pressure on the pipeline; the height scale is arranged on the slider for measuring the settlement of the pipeline.
Description
技术领域technical field
本实用新型涉及埋地管道基础悬空沉降变形分析的测试领域，具体是一种室内模拟和测试管道悬空沉降变形的试验装置。The utility model relates to the test field of the analysis of the suspension settlement deformation of the buried pipeline foundation, in particular to a test device for indoor simulation and testing of the suspension settlement deformation of the pipeline.
背景技术Background technique
油气长输管道输送距离较长，沿线地质及地貌错综复杂，自然环境恶劣，往往会出现滑坡、坍塌、地震、水毁、疏松土壤的沉降、湿陷性黄土等地质危害，导致管道大跨度悬空，引起管道出现大变形、大面积悬空或应力集中，影响管道的正常使用和安全运行。研究长输管道在基础沉降下的悬空变形和力学性征，需要一种有效而方便的室内试验装置。目前，各研究机构室内试验所使试验装置有很多，但能够真正做到有效模拟基础悬空沉降的力学行为而使用起来用比较方便的装置还比较少，如何准确有效地模拟悬空沉降各参数对在役管道力学性能的影响，是管道管理者和科研工作者函需解决的问题。Long-distance oil and gas pipelines have a long transmission distance, complex geology and landforms along the line, and harsh natural environments. Geological hazards such as landslides, collapses, earthquakes, water damage, settlement of loose soil, and collapsible loess often occur, resulting in long-span suspended pipelines. It will cause large deformation, large area suspension or stress concentration in the pipeline, which will affect the normal use and safe operation of the pipeline. An effective and convenient indoor test device is needed to study the suspension deformation and mechanical properties of long-distance pipelines under foundation settlement. At present, there are a lot of test devices in the laboratory laboratories of various research institutions, but there are still relatively few devices that can truly simulate the mechanical behavior of foundation suspension settlement effectively and are relatively convenient to use. How to accurately and effectively simulate the parameters of suspension settlement has a great impact on The impact on the mechanical properties of pipelines in service is a problem that pipeline managers and scientific researchers need to solve.
实用新型内容Utility model content
本实用新型目的在于提供一种可实现长输管道不同悬空沉降长度的实验室内模拟装置，为研究悬空沉降对管道性能的影响提供有效的数据支持。The purpose of the utility model is to provide a laboratory simulation device capable of realizing different suspension settlement lengths of long-distance pipelines, and to provide effective data support for studying the influence of suspension settlement on pipeline performance.
为达上述目的，本实用新型所提供的模拟管道悬空沉降变形的试验装置，具体包含管道、滑道、质量块、多个管托、多个滑块、多个弹簧和多个高度标尺；所述管道两端连接进水口和出水口，用于通过注水模拟管道弯曲载荷；所述管托包含上管托和下管托，所述上管托和所述下管托用于固定所述管道；所述下管托通过弹簧与设置于所述滑道中的滑块相连；所述滑块与所述滑道之间活动连接；所述质量块安置于所述上管托上，用于模拟上覆土对所述管道的压力；所述高度标尺设置于所述滑块上，用于测量管道的沉降量。In order to achieve the above-mentioned purpose, the test device for simulating the settlement deformation of pipeline suspended in the air provided by the utility model specifically includes a pipeline, a slideway, a quality block, a plurality of pipe holders, a plurality of sliders, a plurality of springs and a plurality of height scales; The two ends of the pipeline are connected to the water inlet and the water outlet, and are used to simulate the bending load of the pipeline through water injection; the pipe holder includes an upper pipe holder and a lower pipe holder, and the upper pipe holder and the lower pipe holder are used to fix the pipeline ; The lower pipe holder is connected to the slider arranged in the slideway through a spring; the slider is flexibly connected to the slideway; the mass block is placed on the upper pipe holder for simulating The pressure of the overlying soil on the pipeline; the height scale is arranged on the slider for measuring the settlement of the pipeline.
在上述模拟管道悬空沉降变形的试验装置中，优选的，所述下管托与所述弹簧相接端设置有凸台，所述凸台用于固定所述弹簧。In the above-mentioned test device for simulating the settlement deformation of the pipeline suspended in the air, preferably, a boss is provided at the connecting end of the lower pipe support and the spring, and the boss is used to fix the spring.
在上述模拟管道悬空沉降变形的试验装置中，优选的，所述滑块与所述弹簧相接端设置有凸台，所述凸台用于固定所述弹簧。In the above-mentioned test device for simulating the settlement deformation of pipelines suspended in the air, preferably, a boss is provided at the connecting end of the slider and the spring, and the boss is used to fix the spring.
在上述模拟管道悬空沉降变形的试验装置中，优选的，所述凸台直径小于弹簧内径。In the above-mentioned test device for simulating the deformation of the pipeline suspended in the air, preferably, the diameter of the boss is smaller than the inner diameter of the spring.
在上述模拟管道悬空沉降变形的试验装置中，优选的，所述装置还包含水平标尺，所述水平标尺设置于滑道外延，用于测量管道的弯曲量。In the above-mentioned test device for simulating the settlement deformation of the suspended pipeline, preferably, the device further includes a horizontal scale, and the horizontal scale is arranged on the extension of the slideway for measuring the bending amount of the pipeline.
在上述模拟管道悬空沉降变形的试验装置中，优选的，所述装置还包含基座和支撑架；所述滑道通过所述支撑架与所述基座相连；所述基座用于固定所述模拟管道悬空沉降变形的试验装置。In the above-mentioned test device for simulating pipeline suspension settlement deformation, preferably, the device also includes a base and a support frame; the slideway is connected with the base through the support frame; the base is used to fix the The test device for simulating the settlement deformation of suspended pipelines is described.
在上述模拟管道悬空沉降变形的试验装置中，优选的，所述上管托和所述下管托上设置有卡扣结构，用于通过扣合所述上管托和所述下管托来固定所述管道。In the above-mentioned test device for simulating the settlement deformation of pipelines suspended in the air, preferably, the upper pipe holder and the lower pipe holder are provided with buckle structures for locking the upper pipe holder and the lower pipe holder Secure the pipe.
在上述模拟管道悬空沉降变形的试验装置中，优选的，所述滑道的宽度为活动设置，用于调节滑道宽度控制所述管道悬空沉降长度。In the above-mentioned test device for simulating the deformation of the suspended settlement of the pipeline, preferably, the width of the slideway is movable, and is used to adjust the width of the slideway to control the length of the suspended settlement of the pipeline.
本实用新型所提供的模拟管道悬空沉降变形的试验装置根据winkler假定，埋地段的管道受到地层支承引起的支反力作用和上覆土的压力作用(如图1所示)，通过在管体下方和调节支座之间弹簧来简化模拟管道埋地段地层对管道的弹性支撑作用，通过在管体上方安放质量块来模拟管道埋地段上覆土对管道的约束，管道悬空段的长度可以通过调节管体下方的调节支座沿管道轴线方向的距离来控制，从而实现管道悬空沉降的实验室内模拟。具有移动方便、便于操作、尺度可控等优点。The test device for simulating the settlement and deformation of the pipeline suspended in the air provided by the utility model is based on the assumption of Winkler that the pipeline in the buried section is subjected to the support reaction force caused by the stratum support and the pressure of the overlying soil (as shown in Figure 1), and passes through the pipe under the pipe body. and adjust the springs between the supports to simplify the simulation of the elastic support effect of the buried section of the pipeline on the pipeline. By placing a mass block above the pipe body to simulate the constraint of the buried section of the pipeline by the overlying soil on the pipeline, the length of the suspended section of the pipeline can be adjusted by adjusting the The adjustment support below the body is controlled by the distance along the axis of the pipeline, so as to realize the simulation of the suspension settlement of the pipeline in the laboratory. It has the advantages of convenient movement, easy operation, and controllable scale.
附图说明Description of drawings
此处所说明的附图用来提供对本实用新型的进一步理解，构成本申请的一部分，并不构成对本实用新型的限定。在附图中：The accompanying drawings described here are used to provide a further understanding of the utility model, constitute a part of the application, and do not constitute a limitation to the utility model. In the attached picture:
图1为本实用新型一实施例所提供的悬空管道winkler假设模型；Fig. 1 is the hypothetical model of the suspended pipeline winkler provided by an embodiment of the present invention;
图2为本实用新型所提供的模拟管道悬空沉降变形的试验装置的正视图；Fig. 2 is the front view of the test device for simulating pipeline suspension settlement deformation provided by the utility model;
图3为本实用新型所提供的模拟管道悬空沉降变形的试验装置的俯视图；Fig. 3 is the top view of the test device for simulating pipeline suspension settlement deformation provided by the utility model;
图4为本实用新型所提供的模拟管道悬空沉降变形的试验装置的侧视图。Fig. 4 is a side view of the test device for simulating the suspension settlement deformation of the pipeline provided by the utility model.
具体实施方式Detailed ways
为使本实用新型实施例的目的、技术方案和优点更加清楚明白，下面结合实施例和附图，对本实用新型做进一步详细说明。在此，本实用新型的示意性实施例及其说明用于解释本实用新型，但并不作为对本实用新型的限定。In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the exemplary embodiment of the utility model and its description are used to explain the utility model, but not as a limitation to the utility model.
请参考图2至图4所示，本实用新型所提供的模拟管道悬空沉降变形的试验装置，具体包含管道1、滑道10、质量块11、多个管托2、多个滑块12、多个弹簧3和多个高度标尺4；所述管道1两端连接进水口7和出水口6，用于通过注水模拟管道弯曲载荷；所述管托2包含上管托和下管托，所述上管托和所述下管托用于固定所述管道1；所述下管托通过弹簧3与设置于所述滑道10中的滑块12相连；所述滑块12与所述滑道10之间活动连接；所述质量块11安置于所述上管托上，用于模拟上覆土对所述管道的压力；所述高度标尺4设置于所述滑块12上，用于测量管道的沉降量。在该实施例中，所述管道1主要为模拟地下管道的试验器材，可采用与实际管道类似的材质或结构再等比缩小制成，所述质量块11可为多个不同质量型号的活动质量块，以此便于模拟不同的覆土压力。Please refer to Fig. 2 to Fig. 4, the test device for simulating pipeline suspension settlement deformation provided by the utility model specifically includes a pipeline 1, a slideway 10, a quality block 11, a plurality of pipe holders 2, a plurality of sliders 12, A plurality of springs 3 and a plurality of height scales 4; the two ends of the pipeline 1 are connected to the water inlet 7 and the water outlet 6 for simulating the bending load of the pipeline through water injection; the pipe support 2 includes an upper pipe support and a lower pipe support, so The upper pipe holder and the lower pipe holder are used to fix the pipeline 1; the lower pipe holder is connected to the slide block 12 arranged in the slideway 10 through a spring 3; the slide block 12 is connected to the slide There are flexible connections between the roads 10; the mass block 11 is placed on the upper pipe support for simulating the pressure of the overlying soil on the pipeline; the height scale 4 is set on the slider 12 for measuring Pipeline settlement. In this embodiment, the pipeline 1 is mainly a test equipment for simulating an underground pipeline, which can be made of a material or structure similar to the actual pipeline and then scaled down. The mass block 11 can be a plurality of different quality models. mass to facilitate the simulation of different cover soil pressures.
在上述实施例中，所述上管托和所述下管托上设置有卡扣结构，用于通过扣合所述上管托和所述下管托来固定所述管道1。当然，实际工作中，所述上管托和所述下管托之间关联方式，也可为其他连接结构，本实用新型在此并不做任何限制。所述滑道10的宽度为活动设置，用于调节滑道宽度控制所述管道悬空沉降长度。例如，所述滑道10的两轨道为活动设置，工作人员可根据需要调节两轨道之间的距离，以此改变所述滑道10的宽度，实现控制所述管道悬空沉降长度的目的。In the above embodiments, the upper pipe holder and the lower pipe holder are provided with buckle structures for fixing the pipeline 1 by fastening the upper pipe holder and the lower pipe holder. Of course, in actual work, other connection structures may also be used for the relationship between the upper pipe holder and the lower pipe holder, and the present invention does not make any limitation here. The width of the slideway 10 is movable, and is used to adjust the width of the slideway to control the suspended settlement length of the pipeline. For example, the two tracks of the slideway 10 are movable, and the staff can adjust the distance between the two tracks as required, thereby changing the width of the slideway 10 and realizing the purpose of controlling the suspended settlement length of the pipeline.
在上述实施例中，所述下管托与所述弹簧3相接端设置有凸台，所述凸台用于固定所述弹簧。所述滑块12与所述弹簧3相接端设置有凸台，所述凸台用于固定所述弹簧3。其中，所述凸台可直径小于弹簧内径；以此通过该凸台来有效固定所述弹簧，当然实际工作中，所述凸台也可设置为圆孔结构，其圆孔直接可略大于所述弹簧3外径，以此将所述弹簧3夹固于所述下管托和所述滑块12之间；本领域相关技术人员可根据实际需要选择适当的结构使用，本实用新型在此并不做进一步限定。In the above embodiment, a boss is provided at the connecting end of the lower pipe support and the spring 3, and the boss is used to fix the spring. The end of the sliding block 12 connected to the spring 3 is provided with a boss, and the boss is used to fix the spring 3 . Wherein, the diameter of the boss can be smaller than the inner diameter of the spring; in this way, the spring can be effectively fixed through the boss. Of course, in actual work, the boss can also be set as a circular hole structure, and the circular hole can be directly slightly larger than the inner diameter of the spring. The outer diameter of the spring 3, so that the spring 3 is clamped between the lower pipe support and the slider 12; those skilled in the art can select an appropriate structure for use according to actual needs, and the utility model is here No further restrictions are made.
为便于检测所述管道1的弯曲情况，本实用新型一实施例中，所述装置还包含水平标尺5，所述水平标尺5设置于滑道10外延，用于测量管道1的弯曲量。当然，实际工作中，本领域相关技术人员也可将所述水平标尺5设置于其他位置，本实用新型在此并不做限制。In order to facilitate detection of the bending of the pipeline 1 , in an embodiment of the present invention, the device further includes a horizontal scale 5 , and the horizontal scale 5 is arranged on the extension of the slideway 10 for measuring the bending amount of the pipeline 1 . Of course, in actual work, those skilled in the art can also set the horizontal scale 5 at other positions, which is not limited by the present invention.
为便于防止所述模拟管道悬空沉降变形的试验装置，在一实施例中，所述装置还包含基座8和支撑架9；所述滑道10通过所述支撑架9与所述基座8相连；所述基座8用于固定所述模拟管道悬空沉降变形的试验装置。In order to facilitate the test device for preventing the deformation of the simulated pipeline suspended in the air, in one embodiment, the device also includes a base 8 and a support frame 9; the slideway 10 passes through the support frame 9 and the base 8 connected; the base 8 is used to fix the test device for simulating the suspension settlement deformation of the pipeline.
为便于更清楚的理解本实用新型所提供的模拟管道悬空沉降变形的试验装置以下将对上述实施例做整体说明，本领域相关技术人员当可知，以下说明并不对本实用新型所提供的模拟管道悬空沉降变形的试验装置做任何限制。In order to facilitate a clearer understanding of the experimental device for simulating the settlement and deformation of pipelines provided by the utility model, the above-mentioned embodiments will be described as a whole below. Those skilled in the art should know that the following descriptions are not specific to the simulation pipeline provided by the utility model. There are no restrictions on the test device for suspension settlement deformation.
所述模拟管道悬空沉降变形的试验装置包括基座，管道，管托，滑块，滑道，滑道支撑架，质量块，弹簧，水平标尺，高度标尺，进水口，出水口。具体结构见图2、图3、图4所示。该装置主体为管道，管道通过管托固定，分为上管托和下管托，上管托上安放质量块，用于模拟上覆土对管道的压力，质量块为活动质量块，有不同质量型号，根据需要可以更换，直接扣置在管托上；下管托下设有一凸台，用来固定弹簧，其直接略小于弹簧的内径。弹簧下方是可以沿管道滑道方向移动的滑块，滑块上方设有凸台结构，与下管托下的凸台直径一致，也是用于固定弹簧，滑块的个数可以根据试验模拟的需要增减，通过调节两滑道之间的宽度来控制悬空沉降长度，其长度由滑道上的水平标尺来度量。滑块上方下管托下方是一弹簧装置，用于模拟土层对管道的弹性支撑，可以根据试验的需要更换不同刚度的弹簧。每个所述滑块上设有一高度标尺，用于度量管道的沉降量。管道位于上管托和下管托之间，上管托扣设连接于下管托的上方，可以更换不同管材和壁厚的管道用以满足不同试验的需要。管道的一端设有进水口，所述管道的另一端设有出水口。模拟试验时，通过打压泵从进水口向管道内部施加压力，测试管道在内压和弯曲载荷共同作用下的承压能力。The test device for simulating the suspension settlement deformation of pipelines includes a base, a pipeline, a pipe support, a slider, a slideway, a slideway support frame, a quality block, a spring, a horizontal scale, a height scale, a water inlet, and a water outlet. The specific structure is shown in Figure 2, Figure 3, and Figure 4. The main body of the device is a pipe, and the pipe is fixed by a pipe support, which is divided into an upper pipe support and a lower pipe support. A mass block is placed on the upper pipe support to simulate the pressure of the overlying soil on the pipe. The mass block is a movable mass block with different masses. The model can be replaced according to the needs, and it is directly buckled on the tube support; there is a boss under the lower tube support to fix the spring, which is directly slightly smaller than the inner diameter of the spring. Below the spring is a slider that can move along the direction of the pipe slideway. There is a boss structure above the slider, which is consistent with the diameter of the boss under the lower pipe support. It is also used to fix the spring. The number of sliders can be simulated according to the test. It needs to be increased or decreased, and the length of the suspension settlement is controlled by adjusting the width between the two slideways, and its length is measured by the horizontal scale on the slideway. Below the lower pipe support above the slider is a spring device, which is used to simulate the elastic support of the soil layer to the pipe. Springs with different stiffnesses can be replaced according to the needs of the test. Each slider is provided with a height scale for measuring the settlement of the pipeline. The pipe is located between the upper pipe holder and the lower pipe holder. The upper pipe holder is buckled and connected to the top of the lower pipe holder. Pipes with different pipe materials and wall thickness can be replaced to meet the needs of different tests. One end of the pipeline is provided with a water inlet, and the other end of the pipeline is provided with a water outlet. During the simulation test, the pressure pump is applied from the water inlet to the inside of the pipeline to test the pressure bearing capacity of the pipeline under the joint action of internal pressure and bending load.
本实用新型所提供的模拟管道悬空沉降变形的试验装置根据winkler假定，埋地段的管道受到地层支承引起的支反力作用和上覆土的压力作用(如图1所示)，通过在管体下方和调节支座之间弹簧来简化模拟管道埋地段地层对管道的弹性支撑作用，通过在管体上方安放质量块来模拟管道埋地段上覆土对管道的约束，管道悬空段的长度可以通过调节管体下方的调节支座沿管道轴线方向的距离来控制，从而实现管道悬空沉降的实验室内模拟；具有移动方便、便于操作、尺度可控等优点，同时，所述模拟管道悬空沉降变形的试验装置实现了长输管道基础悬空沉降的室内模拟，对管道悬空沉降的成因和力学特征的研究分析提供了依据。The test device for simulating the settlement and deformation of the pipeline suspended in the air provided by the utility model is based on the assumption of Winkler that the pipeline in the buried section is subjected to the support reaction force caused by the stratum support and the pressure of the overlying soil (as shown in Figure 1), and passes through the pipe under the pipe body. and adjust the springs between the supports to simplify the simulation of the elastic support effect of the buried section of the pipeline on the pipeline. By placing a mass block above the pipe body to simulate the constraint of the buried section of the pipeline by the overlying soil on the pipeline, the length of the suspended section of the pipeline can be adjusted by adjusting the The distance of the adjusting support under the body along the axis of the pipeline is controlled to realize the simulation of the pipeline's suspension settlement in the laboratory; it has the advantages of convenient movement, easy operation, and controllable scale. The device realizes the indoor simulation of the long-distance pipeline foundation suspension settlement, and provides a basis for the research and analysis of the cause and mechanical characteristics of the pipeline suspension settlement.
以上所述的具体实施例，对本实用新型的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本实用新型的具体实施例而已，并不用于限定本实用新型的保护范围，凡在本实用新型的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
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| CN112213182B (en) * | 2020-09-28 | 2024-11-19 | 姚建平 | A multi-dimensional distortion test device for pump hose |
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