CN119878922A - Assembled support hanger of rivet structure for nuclear power construction and bearing capacity obtaining method - Google Patents
Assembled support hanger of rivet structure for nuclear power construction and bearing capacity obtaining method Download PDFInfo
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- CN119878922A CN119878922A CN202411819338.XA CN202411819338A CN119878922A CN 119878922 A CN119878922 A CN 119878922A CN 202411819338 A CN202411819338 A CN 202411819338A CN 119878922 A CN119878922 A CN 119878922A
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- hanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
- F16L3/11—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing and hanging from a pendant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
- F16L3/1091—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing with two members, the two members being fixed to each other with fastening members on each side
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
本发明公开了一种核电建设用拉铆结构的装配式支吊架及承载力的获得方法。装配式支吊架由两根支吊架梁、角连接件和环槽铆钉连接副组成；承载力获得方法包括装配式支吊架环槽铆钉连接节点中心承载力获得，支吊架梁相对角连接件之间发生滑移的最大力计算支吊架梁承载处质心B的最大能够承受的力及力矩，支吊架梁相对角连接件之间发生滑移的最大力计算支吊架梁根部质心C所需的连接强度。本发明支吊架采用拉铆结构的装配式支吊架梁模块化程度高、施工方便、现场无焊接，实现了支吊架梁的无焊接连接，避免的焊接过程对环境造成的污染和避免人为造成的焊接质量问题；通过简化的计算方法对支吊架梁的承载力进行校核，提高了计算核校效率。
The present invention discloses an assembled support and hanger with a rivet structure for nuclear power construction and a method for obtaining the bearing capacity. The assembled support and hanger is composed of two support and hanger beams, an angle connector and a ring groove rivet connection pair; the method for obtaining the bearing capacity includes obtaining the bearing capacity of the center of the ring groove rivet connection node of the assembled support and hanger, calculating the maximum force and moment that the centroid B of the support and hanger beam can withstand based on the maximum force that occurs when the support and hanger beam slips relative to the angle connector, and calculating the connection strength required for the centroid C of the root of the support and hanger beam based on the maximum force that occurs when the support and hanger beam slips relative to the angle connector. The assembled support and hanger beam with a rivet structure adopted by the support and hanger of the present invention has a high degree of modularization, is easy to construct, and does not require on-site welding, thereby realizing a non-welding connection of the support and hanger beam, avoiding environmental pollution caused by the welding process and avoiding welding quality problems caused by human factors; the bearing capacity of the support and hanger beam is verified by a simplified calculation method, thereby improving the calculation and verification efficiency.
Description
Technical Field
The invention relates to the technical field of design of pipelines and equipment installation accessories of a nuclear power plant, in particular to an assembled support and hanger of a rivet structure for nuclear power construction and a bearing capacity obtaining method of the assembled support and hanger.
Background
The support and the hanging frame are called as important non-structural members for connecting a main structure of a building with auxiliary electromechanical facilities, are critical for guaranteeing the use safety of the building, and are mainly applied to the parts of water supply and drainage, fire protection, heating, ventilation, air conditioning, electric power, communication and the like of the building. The assembled support and hanger is different from the traditional support and hanger installed by field welding, is assembled on site by prefabricated support and hanger components in factories, is reliably connected with a main structure of a building, and is widely applied to new and existing buildings due to the advantages of high modularization degree, convenient construction and the like.
In a nuclear power station, a support and hanger mainly comprises three parts, namely a root part, a support and hanger beam and a pipe clamp connecting piece, wherein the support and hanger beam is still connected in a traditional steel welding mode at present, and the problems of high construction difficulty, long period, high welding quality control difficulty and the like exist in the on-site welding of the support and hanger beam.
The method for checking the bearing capacity of the nuclear power existing welding support hanging frame comprises the steps of firstly determining the appearance of the support hanging frame, the selected materials and the stress conditions of the support hanging frame, then analyzing the stress of the support hanging frame through computer modeling simulation, wherein the weld joint between support hanging frame beams is generally equal in strength with a base metal, but the actual weld joint is affected by the operation of workers and other factors and is different from the base metal, in addition, the computer modeling simulation analysis period is longer, and for tens of thousands of support hanging frames of nuclear power plants, the method is large in workload, time-consuming and labor-consuming.
Disclosure of Invention
The invention discloses an assembled support and hanger of a rivet structure for nuclear power construction and a method for obtaining bearing capacity according to the defects of the prior art. The invention aims to provide the bearing capacity obtaining method which can realize the modular production of a nuclear power support and hanger factory, realize the high-efficiency and safe connection of the assembled support and hanger with the rivet structure for nuclear power without welding on site and can quickly check the bearing capacity of the support and hanger in the support and hanger design stage.
The invention is realized by the following technical scheme:
the assembled support and hanger with the rivet structure for nuclear power construction is characterized by comprising two support and hanger beams, an angle connecting piece and a ring groove rivet connecting pair;
the two hanger beams are steel sections, and are provided with connecting areas at the end parts, and the connecting areas are provided with a plurality of rivet holes which transversely penetrate through the steel sections;
The corner connecting piece is of an L-shaped structure and is provided with four side faces, the first side face and the second side face are L-shaped and are arranged in parallel, the distance between the first side face and the second side face is the thickness of the hanger beam, a plurality of rivet holes in the same axial direction are formed in the first side face and the second side face, and the third side face and the fourth side face are connected with the inner side edges of the L-shaped structure of the first side face and the second side face to form a structure with a U-shaped cross section;
The ring groove rivets are composed of rivets and lantern rings, and the ring groove rivets sequentially penetrate through the first side face, the two walls of the bracket beam and the rivet holes of the second side face respectively for riveting and fastening.
The first support hanging frame beam connecting areas of the two further support hanging frame beams are abutted against the second support hanging frame beam connecting areas and are connected with the two support hanging frame beam connecting areas through corner connectors to form an L-shaped assembly support hanging frame with corners.
And an included angle of more than 0 degrees and less than 180 degrees is formed between the third side face and the fourth side face.
The corner connector is a cast or plate welded piece.
The invention also discloses a method for obtaining the bearing capacity of the assembled support and hanger with the rivet structure for nuclear power construction, which comprises the following steps:
The bearing capacity of the center A of the rivet connection node of the ring slot of the assembled support and hanger comprises the sliding force and moment along the vertical direction W, the horizontal direction U and the horizontal direction V perpendicular to the plane of the support and hanger, wherein the sliding force and moment are obtained by the following formula:
wherein the sliding force in three directions is Moment isN is the number of ring groove rivet connection pairs, mu is the friction coefficient between the corner connecting piece and the support and hanger beam, and P is the clamping force of the ring groove rivet connection pairs.
According to the specifications of two hanger beams, an angle connecting piece and a ring groove rivet of the assembled hanger with the rivet pulling structure, calculating the minimum force for generating relative displacement or separation between each hanger beam and the angle connecting piece, namely the maximum bearing capacity at the connecting node of the assembled hanger;
The maximum bearing capacity along the vertical direction W and the horizontal direction U of the support and hanger is the friction force generated by the support and hanger beam and the corner connecting piece under the action of the ring groove rivet connection auxiliary clamping force, and the calculation formula is as follows:
the bearing capacity in the horizontal direction V perpendicular to the plane of the support and hanger is the minimum load when the support and hanger beam is separated from the corner connecting piece, namely the clamping force of the ring groove rivet connection pair is overcome, and the calculation formula is as follows:
calculating the maximum bearable force and moment of the mass center B at the bearing position of the support and hanger beam according to the maximum sliding force between the opposite angle connectors of the support and hanger beam, wherein the calculation formula is as follows:
wherein L1 is the projection distance between the point B and the point A along the W direction, L2 is the projection distance between the point B and the point A along the U direction, and L3 is the projection distance between the point B and the point A along the V direction.
Calculating the required connection strength of the root mass center C of the support and hanger beam according to the maximum sliding force between the opposite angle connectors of the support and hanger beam;
Wherein L4 is the projection distance between the C point and the A point along the W direction, L5 is the projection distance between the C point and the A point along the U direction, and L6 is the projection distance between the C point and the A point along the V direction.
Compared with the traditional welding support and hanger in the nuclear power industry, the assembled support and hanger beam adopting the rivet pulling structure has the advantages of high modularity and convenient construction, realizes the non-welding connection of the support and hanger beam, avoids the pollution to the environment caused by the welding process and the welding quality problem caused by manpower. Compared with an assembled support and hanger connected by bolts, the annular rivet connection can avoid the support and hanger failure problem caused by uneven bolt axial force and looseness. In addition, the corner connecting piece adopts a four-sided L-shaped hollow structure, the bearing capacity of the support hanger beam is provided by friction force between the first side surface and the second side surface and the support hanger beam, the third side surface and the fourth side surface can provide additional bearing capacity, and the connecting structure is more stable.
Compared with the prior welding support and hanger which obtains the support and hanger bearing capacity through computer modeling, the support and hanger beam bearing capacity can be checked through a simplified calculation method based on the rivet structure assembly support and hanger, so that the calculation efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a nuclear power support hanger in use;
FIG. 2 is a schematic diagram of a three-dimensional structure of a nuclear power support hanger;
FIG. 3 is a schematic diagram of an end face of a nuclear power support hanger in elevation;
FIG. 4 is a schematic view of a hanger beam for nuclear power according to the present invention;
FIG. 5 is a schematic view of a perspective structure of a corner connector of a support and hanger for nuclear power of the invention;
FIG. 6 is a schematic front view of an end face of a corner connector of a cradle for nuclear power of the present invention;
FIG. 7 is a schematic diagram of a ring groove rivet connection pair of a support and hanger for nuclear power;
FIG. 8 is a schematic diagram of the analysis of the bearing capacity of the nuclear power support hanger of the invention.
In the figure, 1-root, 2-hanger, 3-pipe clamp connector, 4-pipe, 5-concrete wall, 2.1-first hanger beam, 2.2-corner connector, 2.3-second hanger beam, 2.4-ring slot rivet, 2.1.1-bearing area, 2.1.2-connecting area, 2.1.3-rivet hole, 2.2.1-first side, 2.2.2-second side, 2.2.3-third side, 2.2.4-fourth side, 2.2.5-rivet hole, 2.4.1-ring slot rivet, 2.4.2-collar.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present invention and not in any way limiting, nor will the same or similar techniques be used in connection with the present invention beyond the scope of the present invention.
In combination with the accompanying drawings.
As shown in fig. 1, the nuclear power support and hanger consists of a root part 1, a support and hanger 2, a pipe clamp connector 3 and a pipeline 4.
As shown in fig. 2 and 3, the assembled hanger 2 with the rivet pulling structure consists of a first hanger beam 2.1, an angle connector 2.2, a second hanger beam 2.3 and a ring groove rivet connection pair 2.4. The first hanger beam 2.1 and the second hanger beam 2.3 may be identical in structure.
As shown in fig. 4, each hanger beam is composed of a bearing area 2.1.1, a connecting area 2.1.2 and a rivet hole 2.1.3, the hanger beam is channel steel or rectangular steel, and the rivet hole 2.1.3 penetrates along the thickness direction of the hanger beam.
As shown in fig. 5 and 6, the corner connector 2.2 is a hollow structure formed by a first side 2.2.1, a second side 2.2.2, a third side 2.2.3 and a fourth side 2.2.4, wherein the first side 2.2.1 and the second side 2.2.2 are parallel to each other, coaxial rivet holes 2.2.5 are arranged on the first side 2.2.1 and the second side 2.2.2, the distance between the first side 2.2.1 and the second side 2.2 is the thickness of the hanger beam, and the relative connection position between the third side 2.2.3 and the fourth side 2.2.4 can be adjusted at 0-180 degrees according to the relative connection position of the first hanger beam 2.1 and the second hanger beam 2.3.
As shown in fig. 7, the ring groove rivet connection pair is composed of a ring groove rivet 2.4.1 and a collar 2.4.2.
The connecting process of the assembled support hanger beam with the rivet pulling structure comprises the following steps:
Firstly, the end face of a first support and hanger beam connecting area 2.1.2 is abutted against the side face of a second support and hanger beam connecting area 2.1.2, an angle connecting piece 2.2 is placed in the support and hanger beam connecting area, a rivet hole 2.1.3 on the support and hanger beam is coaxial with a rivet hole 2.2.5 on the angle connecting piece, and a ring groove rivet 2.4.1 sequentially penetrates through the first side face 2.2.1 of the angle connecting piece 2.2, the support and hanger beam and the second side face 2.2.2 of the angle connecting piece and then rivets a lantern ring 2.4.2 on the ring groove rivet 2.4.1, so that connection of the two support and hanger beams is achieved.
The invention discloses a method for obtaining the bearing capacity of an assembled support and hanger of a rivet structure for nuclear power construction, which comprises the following steps:
The bearing force at the center A of the rivet connection node of the ring slot of the assembled support and hanger comprises a sliding force and moment along the vertical direction W, the horizontal direction U and the horizontal direction V perpendicular to the plane of the support and hanger, and the bearing force is obtained by the following formula:
wherein the sliding force in three directions is Moment isN is the number of ring groove rivet connection pairs, mu is the friction coefficient between the corner connecting piece and the support and hanger beam, and P is the clamping force of the ring groove rivet connection pairs.
The checking of the load bearing capacity of the assembled hanger beam with the rivet structure of the invention is further described below with reference to fig. 8.
(1) According to the specifications of two hanger beams, an angle connecting piece and a ring groove rivet of the assembled hanger with the rivet pulling structure, calculating the minimum force for generating relative displacement or separation between each hanger beam and the angle connecting piece and the maximum bearing force at the connecting joint of the assembled hanger;
The calculation formula of the friction force generated by the maximum bearing capacity support beam and the corner connecting piece along the vertical direction W and the horizontal direction U of the support and the hanger under the action of the auxiliary clamping force of the ring groove rivet connection is as follows:
the bearing capacity in the horizontal direction V perpendicular to the plane of the support and hanger is the minimum load when the support and hanger beam is separated from the corner connecting piece, namely the clamping force of the ring groove rivet connection pair is overcome, and the calculation formula is as follows:
(2) Calculating the maximum bearable force and moment of the mass center B point at the bearing position of the support and hanger beam according to the maximum sliding force between the opposite angle connectors of the support and hanger beam, wherein the calculation formula is as follows:
wherein L1 is the projection distance between the point B and the point A along the W direction, L2 is the projection distance between the point B and the point A along the U direction, and L3 is the projection distance between the point B and the point A along the V direction.
(3) Calculating the required connection strength of the root mass center C point of the support and hanger beam according to the maximum sliding force between the opposite angle connectors of the support and hanger beam;
Wherein L4 is the projection distance between the C point and the A point along the W direction, L5 is the projection distance between the C point and the A point along the U direction, and L6 is the projection distance between the C point and the A point along the V direction.
The bearing capacity of the hanger is calculated by taking the square steel hanger in fig. 8 as an example.
The 5 8.8-level single-groove short-tail ring groove rivet connection pairs are adopted, the clamping force of the connection pairs is 55kN, the friction coefficient between the supporting and hanging frame Liang Fanggang and the angle connecting piece is 0.1, L1=100 mm, L2=400 mm, L3=100 mm, L4=350 mm, L5=100 mm and L6=100 mm.
(1) The maximum bearing capacity at the ring groove rivet connection node A is as follows:
(2) The bearing capacity of the mass center B at the bearing position of the support and hanger beam is as follows:
(3) Root mass center of support and hanger beam the bearing capacity at C is:
Claims (8)
1. The assembled support and hanger with the rivet structure for nuclear power construction is characterized by comprising two support and hanger beams, an angle connecting piece and a ring groove rivet connecting pair;
the two hanger beams are steel sections, and are provided with connecting areas at the end parts, and the connecting areas are provided with a plurality of rivet holes which transversely penetrate through the steel sections;
The corner connecting piece is of an L-shaped structure and is provided with four side faces, the first side face and the second side face are L-shaped and are arranged in parallel, the distance between the first side face and the second side face is the thickness of the hanger beam, a plurality of rivet holes in the same axial direction are formed in the first side face and the second side face, and the third side face and the fourth side face are connected with the inner side edges of the L-shaped structure of the first side face and the second side face to form a structure with a U-shaped cross section;
The ring groove rivets are composed of rivets and lantern rings, and the ring groove rivets sequentially penetrate through the first side face, the two walls of the bracket beam and the rivet holes of the second side face respectively for riveting and fastening.
2. The assembled support hanger with the rivet structure for nuclear power construction of claim 1, wherein the first support hanger beam connecting area of the two support hanger beams is abutted against the second support hanger beam connecting area and is connected with the two support hanger beam connecting areas through the corner connecting piece to form the L-shaped assembled support hanger with the corner.
3. The assembled support and hanger of the rivet structure for nuclear power construction of claim 2, wherein an included angle of more than 0 degrees and less than 180 degrees is formed between the third side face and the fourth side face.
4. The assembled support and hanger of the rivet structure for nuclear power construction of claim 2, wherein the corner connecting piece is a casting piece or a plate welding piece.
5. The method for obtaining the bearing capacity of the assembled support and hanger of the rivet structure for nuclear power construction is characterized by comprising the following steps of:
The bearing capacity of the center A of the rivet connection node of the ring slot of the assembled support and hanger comprises the sliding force and moment along the vertical direction W, the horizontal direction U and the horizontal direction V perpendicular to the plane of the support and hanger, wherein the sliding force and moment are obtained by the following formula:
wherein the sliding force in three directions is Moment isN is the number of ring groove rivet connection pairs, mu is the friction coefficient between the corner connecting piece and the support and hanger beam, and P is the clamping force of the ring groove rivet connection pairs.
6. The method for obtaining the bearing capacity of the assembled support and hanger of the rivet structure for nuclear power construction of claim 5, wherein the minimum force for generating relative displacement or separation between each support and hanger beam and each corner connector is calculated according to the specifications of two support beams, the corner connector and the ring slot rivet of the assembled support and hanger of the rivet structure, namely the maximum bearing capacity at the connecting node of the assembled support and hanger;
The maximum bearing capacity along the vertical direction W and the horizontal direction U of the support and hanger is the friction force generated by the support and hanger beam and the corner connecting piece under the action of the ring groove rivet connection auxiliary clamping force, and the calculation formula is as follows:
the bearing capacity in the horizontal direction V perpendicular to the plane of the support and hanger is the minimum load when the support and hanger beam is separated from the corner connecting piece, namely the clamping force of the ring groove rivet connection pair is overcome, and the calculation formula is as follows:
7. The method for obtaining the bearing capacity of the assembled support and hanger of the rivet structure for nuclear power construction of claim 5, wherein the maximum bearable force and moment of a centroid B at a support and hanger beam bearing position are calculated according to the maximum force of slippage between opposite angle connectors of the support and hanger beam, and the calculation formula is as follows:
wherein L1 is the projection distance between the point B and the point A along the W direction, L2 is the projection distance between the point B and the point A along the U direction, and L3 is the projection distance between the point B and the point A along the V direction.
8. The method for obtaining the bearing capacity of the assembled support and hanger of the rivet structure for nuclear power construction of claim 5, wherein the method is characterized in that the connection strength required by the root mass center C of the support and hanger beam is calculated according to the maximum sliding force between the opposite angle connectors of the support and hanger beam;
Wherein L4 is the projection distance between the C point and the A point along the W direction, L5 is the projection distance between the C point and the A point along the U direction, and L6 is the projection distance between the C point and the A point along the V direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202411819338.XA CN119878922A (en) | 2024-12-11 | 2024-12-11 | Assembled support hanger of rivet structure for nuclear power construction and bearing capacity obtaining method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411819338.XA CN119878922A (en) | 2024-12-11 | 2024-12-11 | Assembled support hanger of rivet structure for nuclear power construction and bearing capacity obtaining method |
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| CN119878922A true CN119878922A (en) | 2025-04-25 |
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| CN202411819338.XA Pending CN119878922A (en) | 2024-12-11 | 2024-12-11 | Assembled support hanger of rivet structure for nuclear power construction and bearing capacity obtaining method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519715A (en) * | 2011-11-25 | 2012-06-27 | 中国核电工程有限公司 | Simplified calculation method of bracket strength of nuclear power plant |
| CN111425666A (en) * | 2020-04-24 | 2020-07-17 | 江苏安赫智能装备科技有限公司 | A light-weight anti-falling assembled integrated pipeline support and hanger and its assembly method |
| CN219933201U (en) * | 2023-06-08 | 2023-10-31 | 中国核电工程有限公司 | Connection structure, support and hanger and pipeline installation assembly |
| CN117588607A (en) * | 2023-12-20 | 2024-02-23 | 上海市建筑科学研究院有限公司 | Bearing bidirectional anti-seismic integrated support hanger and construction method thereof |
| CN220816166U (en) * | 2023-09-19 | 2024-04-19 | 浙江航鑫支吊架有限公司 | Channel steel connector for support and hanger and universal support and hanger |
-
2024
- 2024-12-11 CN CN202411819338.XA patent/CN119878922A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519715A (en) * | 2011-11-25 | 2012-06-27 | 中国核电工程有限公司 | Simplified calculation method of bracket strength of nuclear power plant |
| CN111425666A (en) * | 2020-04-24 | 2020-07-17 | 江苏安赫智能装备科技有限公司 | A light-weight anti-falling assembled integrated pipeline support and hanger and its assembly method |
| CN219933201U (en) * | 2023-06-08 | 2023-10-31 | 中国核电工程有限公司 | Connection structure, support and hanger and pipeline installation assembly |
| CN220816166U (en) * | 2023-09-19 | 2024-04-19 | 浙江航鑫支吊架有限公司 | Channel steel connector for support and hanger and universal support and hanger |
| CN117588607A (en) * | 2023-12-20 | 2024-02-23 | 上海市建筑科学研究院有限公司 | Bearing bidirectional anti-seismic integrated support hanger and construction method thereof |
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