CN209370602U - Pipeline of nuclear power plant damper mount connection structure - Google Patents
Pipeline of nuclear power plant damper mount connection structure Download PDFInfo
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- CN209370602U CN209370602U CN201822049264.2U CN201822049264U CN209370602U CN 209370602 U CN209370602 U CN 209370602U CN 201822049264 U CN201822049264 U CN 201822049264U CN 209370602 U CN209370602 U CN 209370602U
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Abstract
Description
技术领域technical field
本实用新型属于核电领域，更具体地说，本实用新型涉及一种核电厂管道阻尼器支承连接结构。The utility model belongs to the field of nuclear power, more specifically, the utility model relates to a support connection structure for a pipeline damper of a nuclear power plant.
背景技术Background technique
管道液压阻尼器用于保护核电厂系统管道在遭受突加载荷(地震或压力突变)时免遭破坏。该装置允许系统管道的缓慢热位移；而受突变载荷(如交变载荷或持续载荷)，阻尼器就变成一个刚性连接来限制位移以此达到保护系统管道的目的。管道阻尼器支承通常由阻尼器和连接结构组成。Pipeline hydraulic dampers are used to protect nuclear power plant system pipelines from damage when subjected to sudden loads (earthquakes or sudden pressure changes). The device allows slow thermal displacement of the system piping; and subject to abrupt loads (such as alternating loads or continuous loads), the damper becomes a rigid connection to limit displacement in order to protect the system piping. A pipe damper support usually consists of a damper and a connecting structure.
现有技术的管道阻尼器结构在管道侧采用管夹与管道固定，墙侧采用底座与混凝土预埋钢结构焊接固定。主要存在以下缺点：The pipe damper structure of the prior art adopts pipe clamps and pipes to fix on the pipe side, and welds and fixes the base and the concrete pre-embedded steel structure on the wall side. There are mainly the following disadvantages:
1)结构承载能力一般低于200t，刚度一般低于3×104N/mm，不能满足承载能力和刚度要求较高的场合；1) The structural bearing capacity is generally lower than 200t, and the stiffness is generally lower than 3×10 4 N/mm, which cannot meet the requirements for higher bearing capacity and stiffness;
2)现场需进行大量的焊接、热处理操作，现场施工难度大。2) A large number of welding and heat treatment operations are required on site, making the site construction difficult.
有鉴于此，确有必要提供一种管道在支承连接处的应力水平安全，无需现场实施焊接和热处理操作的核电厂管道阻尼器支承连接结构，提高支承的承载能力和刚度，满足管道的抗震分析和应力分析要求。In view of this, it is indeed necessary to provide a support connection structure for pipeline dampers in nuclear power plants that has a safe stress level at the support connection without on-site welding and heat treatment operations, improves the bearing capacity and rigidity of the support, and satisfies the seismic analysis of pipelines and stress analysis requirements.
实用新型内容Utility model content
本实用新型的目的在于：克服现有技术的不足，提供一种管道在支承连接处的应力水平安全，无需现场实施焊接和热处理操作的核电厂管道阻尼器支承连接结构，提高支承的承载能力和刚度，满足管道的抗震分析和应力分析要求。The purpose of the utility model is: to overcome the deficiencies of the prior art, to provide a pipeline damper support connection structure in which the stress level of the pipeline at the support connection is safe, and does not require on-site welding and heat treatment operations, so as to improve the bearing capacity of the support and Rigidity, to meet the seismic analysis and stress analysis requirements of the pipeline.
为了实现上述目的，本实用新型提供了一种核电厂管道阻尼器支承连接结构，包括：In order to achieve the above purpose, the utility model provides a support connection structure for a pipeline damper in a nuclear power plant, including:
底座，可拆卸固定在混凝土墙上，并与阻尼器的一端可拆卸连接；The base is detachably fixed on the concrete wall and is detachably connected to one end of the damper;
刚性支架，与阻尼器的另一端可拆卸连接；以及a rigid bracket, detachably attached to the other end of the damper; and
管道抱环结构，可拆卸固定在被保护的管道上，并与刚性支架的一端连接。Pipe clasp structure, detachably fixed on the protected pipe, and connected with one end of the rigid bracket.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述管道抱环结构包括两个半抱环，两个半抱环可拆卸固定在所述被保护的管道上，其中一个半抱环与所述刚性支架固定连接。As an improvement of the supporting connection structure of the pipeline damper in the utility model of the nuclear power plant, the pipeline clasp structure includes two half clasps, and the two half clasps are detachably fixed on the protected pipeline, one of the half clasps The ring is fixedly connected with the rigid support.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述两个半抱环与被保护的管道之间的间隙填充有垫片。As an improvement to the supporting connection structure of the pipeline damper of the nuclear power plant of the utility model, the gap between the two half-clamping rings and the protected pipeline is filled with gaskets.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述两个半抱环的连接面安装有垫圈。As an improvement to the supporting connection structure of the pipeline damper in the nuclear power plant of the utility model, washers are installed on the connecting surfaces of the two half-embracing rings.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述两个半抱环的两端设置有连接部，所述连接部为具有空心的箱体结构。As an improvement of the supporting connection structure of the pipeline damper of the nuclear power plant of the utility model, connecting parts are provided at both ends of the two half-embracing rings, and the connecting parts are hollow box structures.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述底座通过锚固螺杆固定在混凝土墙上。As an improvement of the supporting connection structure of the pipeline damper in the nuclear power plant of the utility model, the base is fixed on the concrete wall through an anchor screw.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述底座与所述阻尼器的一端通过销轴连接。As an improvement to the supporting connection structure of the pipeline damper in the nuclear power plant of the utility model, the base is connected to one end of the damper through a pin shaft.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述刚性支架包括连接部分和支撑部分，连接部分的一端设置有销孔，与阻尼器通过销轴可拆卸连接，支撑部分与管道抱环结构的一个半抱环焊接固定。As an improvement of the supporting connection structure of the pipeline damper in the nuclear power plant of the utility model, the rigid support includes a connecting part and a supporting part, and one end of the connecting part is provided with a pin hole, which is detachably connected with the damper through a pin shaft, and the supporting part is connected with the damper One half of the ring structure of the pipeline is welded and fixed.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述连接部分与所述支撑部分通过固定板进行固定。As an improvement of the supporting connection structure of the pipeline damper of the nuclear power plant of the utility model, the connecting part and the supporting part are fixed by a fixing plate.
作为本实用新型核电厂管道阻尼器支承连接结构的一种改进，所述刚性支架的连接部分包括两个相对设置的第一连接板，两个第一连接板上设置有销孔，所述阻尼器的一端设置于两个第一连接板之间，并通过销轴连接。As an improvement of the supporting connection structure of the pipeline damper in nuclear power plants of the utility model, the connecting part of the rigid support includes two oppositely arranged first connecting plates, and pin holes are arranged on the two first connecting plates, and the damping One end of the device is arranged between the two first connecting plates and is connected by a pin shaft.
相对于现有技术，本实用新型核电厂管道阻尼器支承连接结构具有以下技术效果：Compared with the prior art, the utility model nuclear power plant pipeline damper supporting connection structure has the following technical effects:
1)提高了阻尼器支承的承载能力和刚度，避免了现场安装焊接和热处理；1) The load-bearing capacity and rigidity of the damper support are improved, and welding and heat treatment for on-site installation are avoided;
2)底座采用锚固螺杆固定在混凝土墙上，可保证在恶劣工况下，仍可正常运行；2) The base is fixed on the concrete wall with anchor screws, which can ensure normal operation under harsh working conditions;
3)确保了被保护管道在支承连接处的应力水平安全。3) Ensure the safety of the stress level of the protected pipeline at the support connection.
附图说明Description of drawings
下面结合附图和具体实施方式，对本实用新型核电厂管道阻尼器支承连接结构进行详细说明，其中：The supporting connection structure of the pipeline damper of the nuclear power plant of the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein:
图1为本实用新型核电厂管道阻尼器支承连接结构的结构示意图。Fig. 1 is a structural schematic diagram of the supporting connection structure of the pipeline damper of the nuclear power plant of the present invention.
图2为本实用新型核电厂管道阻尼器支承连接结构的俯视图。Fig. 2 is a top view of the supporting connection structure of the pipeline damper of the nuclear power plant of the present invention.
图3为本实用新型核电厂管道阻尼器支承连接结构抱环结构的结构示意图(无垫圈)。Fig. 3 is a structural schematic diagram of the ring structure of the supporting connection structure of the nuclear power plant pipeline damper of the present invention (without gasket).
图4为图3A-A面示意图。Fig. 4 is a schematic diagram of Fig. 3A-A.
图5为本实用新型核电厂管道阻尼器支承连接结构抱环结构的结构示意图(有垫圈)。Fig. 5 is a structural schematic diagram of the ring structure of the supporting connection structure of the nuclear power plant pipeline damper of the present invention (with gasket).
图6为图5A-A面示意图。Fig. 6 is a schematic diagram of Fig. 5A-A.
图7为本实用新型核电厂管道阻尼器支承连接结构的刚性支架的结构示意图。Fig. 7 is a structural schematic diagram of the rigid support of the pipeline damper supporting connection structure of the utility model.
附图标记：Reference signs:
10-底板；12-混凝土墙；14-阻尼器；16-刚性支架；160-连接部分；1600-销孔；1602-第一连接板；1604-第二连接板；1606-加强板；162-支撑部分；1620-支撑板；1622-加强板；18-管道抱环结构；180,182-半抱环；184-垫片；186-垫圈。10-base plate; 12-concrete wall; 14-damper; 16-rigid bracket; 160-connection part; 1600-pin hole; 1602-first connecting plate; 1604-second connecting plate; Support part; 1620-support plate; 1622-strengthening plate; 18-pipe ring structure; 180, 182-half ring; 184-gasket; 186-washer.
具体实施方式Detailed ways
为了使本实用新型的目的、技术方案及其技术效果更加清晰，以下结合附图和具体实施方式，对本实用新型进行进一步详细说明。应当理解的是，本说明书中描述的具体实施方式仅仅是为了解释本实用新型，并非为了限定本实用新型。In order to make the purpose, technical solution and technical effect of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementations described in this specification are only for explaining the utility model, not for limiting the utility model.
请参阅图1至图7所示，本实用新型核电厂管道阻尼器支承连接结构，包括：Please refer to Figures 1 to 7, the utility model nuclear power plant pipeline damper support connection structure, including:
底座10，可拆卸固定在混凝土墙12上，并与阻尼器14的一端可拆卸连接；The base 10 is detachably fixed on the concrete wall 12, and is detachably connected to one end of the damper 14;
刚性支架16，与阻尼器14的另一端可拆卸连接；以及a rigid bracket 16 detachably connected to the other end of the damper 14; and
管道抱环结构18，可拆卸固定在被保护的管道(图未示出)上，并与刚性支架16的一端连接。The pipeline ring structure 18 is detachably fixed on the pipeline to be protected (not shown in the figure), and is connected with one end of the rigid bracket 16 .
请参阅图1和图2所示，底座10的一侧为平面结构，另一侧为凹槽结构，采用锚固螺杆固定在混凝土墙12上，具体地，通过4根锚固螺杆固定在混凝土墙12的墙面上，为了保证固定强度，在底座10和混凝土墙12之间还可设置垫片，并通过对锚固螺杆施加一定预紧力，可保证在恶劣的工况下，本实用新型的支承连接结构仍可正常运行。相对于现有技术底座焊接的连接形式，锚固连接可显著提高本支承连接结构的承载能力(可达到450t)。Please refer to Fig. 1 and Fig. 2, one side of the base 10 is a plane structure, and the other side is a groove structure, which is fixed on the concrete wall 12 by anchor screws, specifically, fixed on the concrete wall 12 by four anchor screws On the wall, in order to ensure the fixing strength, a spacer can also be set between the base 10 and the concrete wall 12, and by applying a certain pre-tightening force to the anchor screw, it can ensure that the support of the utility model can be used under severe working conditions. The connection structure is still functional. Compared with the connection form of base welding in the prior art, the anchor connection can significantly improve the bearing capacity of the supporting connection structure (up to 450t).
阻尼器14可为现有技术中已知的阻尼器，一端位于底座10的凹槽内，并通过销轴与底座10可拆卸连接，另一端与刚性支架16通过销轴可拆卸连接。The damper 14 can be a known damper in the prior art. One end is located in the groove of the base 10 and is detachably connected to the base 10 through a pin, and the other end is detachably connected to the rigid support 16 through a pin.
请参阅图1、图2和图7所示，刚性支架16一端与阻尼器14可拆卸连接，另一端与管道抱环结构18连接，具体地，刚性支架16包括连接部分160和支撑部分162，连接部分160的一端设置有销孔1600，与阻尼器14通过销轴可拆卸连接，支撑部分162与管道抱环结构18的一个半抱环180焊接固定。1, 2 and 7, one end of the rigid support 16 is detachably connected to the damper 14, and the other end is connected to the pipe ring structure 18. Specifically, the rigid support 16 includes a connecting part 160 and a supporting part 162, One end of the connection part 160 is provided with a pin hole 1600 , which is detachably connected with the damper 14 through a pin shaft, and the support part 162 is welded and fixed to a half-hull ring 180 of the pipe ring structure 18 .
在图示实施方式中，为了保证结构强度，连接部分160与支撑部分162之间设置有固定板161，固定板161的两个面分别与连接部分160和支撑部分162焊接固定。在本实用新型的其他实施方式中，连接部分160也可直接与支撑部分162焊接固定。In the illustrated embodiment, in order to ensure structural strength, a fixing plate 161 is provided between the connecting portion 160 and the supporting portion 162 , and the two surfaces of the fixing plate 161 are respectively welded and fixed to the connecting portion 160 and the supporting portion 162 . In other embodiments of the present invention, the connecting part 160 may also be directly welded and fixed to the supporting part 162 .
连接部分160包括两个相对设置的第一连接板1602，两个第一连接板1602上对应位置设置有销孔1600，相对设置的两个第一连接板1602之间通过设置第二连接板1604进行固定。第一连接板1602靠近阻尼器14的一端为弧形结构，且尺寸小于与固定板161焊接固定端的尺寸。为了保证结构强度，还设置有加强板1606分别与第一连接板1602和固定板161焊接固定。The connection part 160 includes two oppositely arranged first connecting plates 1602, and pin holes 1600 are arranged at corresponding positions on the two first connecting plates 1602, and a second connecting plate 1604 is arranged between the two oppositely arranged first connecting plates 1602. to fix. The end of the first connecting plate 1602 close to the damper 14 has an arc-shaped structure, and its size is smaller than that of the fixed end welded with the fixing plate 161 . In order to ensure the structural strength, a reinforcing plate 1606 is also provided to be welded and fixed to the first connecting plate 1602 and the fixing plate 161 respectively.
两个第一连接板1602之间的间距与阻尼器14一端的尺寸适配，阻尼器14的一端设置于两个第一连接板1602之间，并通过插入销轴与两个第一连接板1602连接。The distance between the two first connecting plates 1602 is adapted to the size of one end of the damper 14, and one end of the damper 14 is arranged between the two first connecting plates 1602, and is connected to the two first connecting plates by inserting pin shafts. 1602 connections.
支撑部分162包括两个相对设置的支撑板1620，两个支撑板1602为具有一定厚度的板，其尺寸可相同，也可不同，最好相同，两个支撑板1620的一端与固定板161的一个面焊接固定，另一端与管道抱环结构18的一个半抱环180焊接固定。为了增强支撑部分162的结构强度，在两个支撑板1620的壁上分别设置有加强板1622，具体地，加强板1622分别与固定板161、支撑板1620和半抱环180焊接固定。刚性支架16可将管道阻尼器支承的刚度从3×104N/mm提高至6×104N/mm。刚性支架16的结构尺寸根据管道抗震计算所需的总体刚度设计。The supporting part 162 includes two supporting plates 1620 arranged oppositely. The two supporting plates 1602 are plates with a certain thickness. The size can be the same or different, preferably the same. One surface is welded and fixed, and the other end is welded and fixed with a half-wrapped ring 180 of the pipe ring structure 18 . In order to enhance the structural strength of the supporting part 162, reinforcing plates 1622 are provided on the walls of the two supporting plates 1620, specifically, the reinforcing plates 1622 are welded and fixed to the fixing plate 161, the supporting plate 1620 and the half-wrapped ring 180 respectively. The rigid bracket 16 can increase the rigidity of the pipe damper support from 3×10 4 N/mm to 6×10 4 N/mm. The structural size of the rigid support 16 is designed according to the overall rigidity required for the seismic calculation of the pipeline.
请参阅图3至图7所示，管道抱环结构18可拆卸固定在被保护的管道上，并与刚性支架16的一端连接。Please refer to FIG. 3 to FIG. 7 , the pipeline ring structure 18 is detachably fixed on the pipeline to be protected, and connected to one end of the rigid bracket 16 .
优选地，管道抱环结构18包括两个半抱环180,182，两个半抱环180,182可拆卸固定在被保护的管道上，其中一个半抱环180与刚性支架16的支撑部分162焊接固定，最终实现管道抱环结构18与刚性支架16固定连接。Preferably, the pipe wrapping structure 18 includes two half wrapping rings 180, 182, and the two half wrapping rings 180, 182 are detachably fixed on the pipeline to be protected, wherein one half wrapping ring 180 is welded and fixed to the supporting part 162 of the rigid support 16, and finally Realize the fixed connection between the pipe ring structure 18 and the rigid support 16 .
在图示实施方式中，两个半抱环180,182的两侧设置有连接部，连接部上设置有固定孔，并通过螺栓可拆卸固定在被保护的管道上。In the illustrated embodiment, connecting parts are provided on both sides of the two half-clamping rings 180, 182, and fixing holes are provided on the connecting parts, and are detachably fixed on the pipeline to be protected by bolts.
为了提高半抱环180,182的强度，可将连接部设置成空心箱体结构，使每一侧的连接部有两个面板与半抱环的弧面固定，并在两个面板的对应位置设置固定孔。In order to improve the strength of the semi-embracing rings 180, 182, the connecting part can be set as a hollow box structure, so that the connecting part on each side has two panels fixed with the arc surface of the semi-embracing rings, and fixed at the corresponding positions of the two panels. hole.
请参阅图3和图4所示，在两个半抱环180,182与被保护的管道之间的间隙还填充有垫片184，垫片184优选不锈钢垫片。Please refer to Fig. 3 and Fig. 4, the space between the two half collars 180, 182 and the pipe to be protected is also filled with a gasket 184, and the gasket 184 is preferably a stainless steel gasket.
请参阅图5和图6所示，为保证螺栓预紧时两个半抱环180,182与被保护的管道充分贴合，设计时在两半抱环180,182连接面设置了间隙L(间隙L尺寸根据需要进行调整)，后续螺栓预紧后，在间隙间的固定孔位置安装有垫圈186，垫圈186同时位于两个半抱环180,182的连接面之间。Please refer to Fig. 5 and Fig. 6, in order to ensure that the two half-hull rings 180, 182 fully fit the protected pipeline when the bolts are pre-tightened, a gap L is set on the connection surface of the two half-hub rings 180, 182 during design (the size of the gap L is based on need to be adjusted), after the subsequent bolts are pre-tightened, a washer 186 is installed at the position of the fixing hole between the gaps, and the washer 186 is also located between the connecting surfaces of the two half clasps 180,182.
抱环的机加工要求如下：The machining requirements of the ring are as follows:
两个半抱环180,182之间的内径(简称抱环内径)组对后再精加工，抱环内径根据被保护的管道实测外径确定，如被保护的管道实测最大外径为D，则抱环内径公差范围为(D+5)0+2；The inner diameter between the two semi-embrace rings 180, 182 (abbreviated as the inner diameter of the embrace ring) is grouped and then finished. The inner diameter of the embrace ring is determined according to the measured outer diameter of the protected pipeline. If the measured maximum outer diameter of the protected pipeline is D, then the embrace The ring inner diameter tolerance range is (D+5) 0 +2;
抱环内径精加工完成后，再接触面箱板处加工尺寸L。After the finishing machining of the inner diameter of the ring is completed, the dimension L is processed at the box plate on the contact surface.
间隙L的另一目的是转移部分预紧力至垫圈186，避免全部预紧力施加在被保护的管道上。螺栓预紧力F根据被保护的管道的载荷确定，螺栓预紧时施加在被保护的管道上的载荷可通过垫圈186厚度来调节。如预紧力达到F’后，已满足了支承与被保护的管道的紧固要求，则可在此时测出半抱环180,182连接面间隙L’，将垫圈186厚度加工至L’，安装至半抱环180,182的固定孔处，则后续施加的预紧力F-F’则传递至垫圈186上。Another purpose of the gap L is to transfer some of the preload to the gasket 186, avoiding the full preload from being applied to the pipe being protected. The bolt pretightening force F is determined according to the load of the protected pipeline, and the load applied to the protected pipeline when the bolt is pretightened can be adjusted through the thickness of the washer 186 . If the pre-tightening force reaches F', the fastening requirements of the support and the protected pipeline have been met, then the gap L' between the joint surface of the half clasp 180 and 182 can be measured at this time, the thickness of the gasket 186 is processed to L', and the installation To the fixing holes of the half rings 180 , 182 , the subsequently applied pre-tightening force FF′ is transmitted to the washer 186 .
在本实用新型的其他实施方式中，两个半抱环180,182的一端通过销轴连接，另一端通过螺栓可拆卸连接，最终将管道抱环结构18可拆卸固定在被保护的管道上。In other embodiments of the present utility model, one end of the two half rings 180, 182 is connected by a pin, and the other end is detachably connected by a bolt, and finally the pipe ring structure 18 is detachably fixed on the protected pipe.
在本实用新型的其他实施方式中，两个半抱环180,182的一端还可通过铰接连接，另一端通过螺栓可拆卸连接，最终将管道抱环结构18可拆卸固定在被保护的管道上。In other embodiments of the present utility model, one end of the two half-hull rings 180, 182 can also be connected by a hinge, and the other end can be detachably connected by a bolt, and finally the pipeline clasp structure 18 can be detachably fixed on the pipeline to be protected.
相对于现有技术，本实用新型核电厂管道阻尼器支承连接结构具有以下技术效果：Compared with the prior art, the utility model nuclear power plant pipeline damper supporting connection structure has the following technical effects:
1)提高了阻尼器支承的承载能力和刚度，避免了现场安装焊接和热处理；1) The load-bearing capacity and rigidity of the damper support are improved, and welding and heat treatment for on-site installation are avoided;
2)底座10采用锚固螺杆固定在混凝土墙12上，可保证在恶劣工况下，仍可正常运行；2) The base 10 is fixed on the concrete wall 12 with an anchor screw, which can ensure normal operation under severe working conditions;
3)确保了被保护管道在支承连接处的应力水平安全。3) Ensure the safety of the stress level of the protected pipeline at the support connection.
根据上述原理，本实用新型还可以对上述实施方式进行适当的变更和修改。因此，本实用新型并不局限于上面揭示和描述的具体实施方式，对本实用新型的一些修改和变更也应当落入本实用新型的权利要求的保护范围内。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本实用新型构成任何限制。According to the above principles, the utility model can also make appropriate changes and modifications to the above embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682676A (en) * | 2020-12-30 | 2021-04-20 | 上海核工程研究设计院有限公司 | Integrated supporting assembly and transverse supporting structure for nuclear power steam generator |
| CN114738589A (en) * | 2022-04-14 | 2022-07-12 | 中国核电工程有限公司 | Setting method and device of nuclear-grade pipeline support |
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2018
- 2018-12-06 CN CN201822049264.2U patent/CN209370602U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682676A (en) * | 2020-12-30 | 2021-04-20 | 上海核工程研究设计院有限公司 | Integrated supporting assembly and transverse supporting structure for nuclear power steam generator |
| CN114738589A (en) * | 2022-04-14 | 2022-07-12 | 中国核电工程有限公司 | Setting method and device of nuclear-grade pipeline support |
| CN114738589B (en) * | 2022-04-14 | 2023-08-04 | 中国核电工程有限公司 | Nuclear grade pipeline bracket setting method and device |
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