High-energy pipeline whipping limiting device
By installing cross-connected energy-absorbing components on the outer surface of nuclear power plant pipelines, the problems of single-direction protection, easy lateral slippage, and complex structure of anti-impact devices have been solved, achieving multi-directional protection, low cost, and high stability in limiting pipeline impacts.
Patent Information
- Application Number
- CN202520635565.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Existing anti-slip devices offer only one protection direction in the high-pressure, high-temperature, and high-vibration environment of nuclear power plants, are prone to lateral slippage, have complex structures, and are costly, failing to meet the space requirements for compact and miniaturized designs of new nuclear power reactors.
Design a high-energy pipeline impact limiting device, including an energy-absorbing component surrounding the outer surface of the pipeline and a cross-connecting section. The cross-structure energy-absorbing component protects against multiple radial impact directions, gaps are set to prevent side slippage, and stainless steel and elastic materials are used to absorb energy, simplifying the structure and reducing costs.
It achieves multi-directional protection for high-energy pipelines, prevents lateral slippage, reduces installation space and cost, and improves the stability and safety of the device.
Smart Images
Figure CN223895438U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of nuclear power technology, and in particular to a high-energy pipeline impact limiting device. Background Technology
[0002] In nuclear power plants, which operate in high-pressure, high-temperature, and high-vibration environments, the safety of pipeline systems is paramount. Pipelines in these environments often carry high-temperature, high-pressure fluids or gases, and their operational stability directly impacts the safe operation of the entire system. However, in actual operation, due to factors such as medium flow, temperature changes, and equipment vibration, pipelines are prone to displacement, swaying, and even impacts, seriously threatening the safety of the pipeline system and its surrounding facilities.
[0003] Traditional anti-swing devices are divided into energy-dissipating anti-swing devices and rigid anti-swing devices. Energy-dissipating anti-swing devices are mostly H-shaped and U-shaped, while rigid anti-swing devices are mostly beams, slabs, and columns. However, these types of devices often have the following shortcomings:
[0004] Single protection direction: Regardless of whether the existing H-type or U-type anti-swing limiting device is used, the protection direction is usually only the radial direction. The U-type anti-swing limiting device absorbs energy through unidirectional tensile deformation, and the H-type anti-swing limiting device absorbs energy through unidirectional compressive deformation. When the impact direction of the high-energy pipeline is not perpendicular to the rooting surface of the anti-swing limiting device, it is often necessary to adjust the rooting surface of the anti-swing limiting device or set up multiple anti-swing devices to prevent the swing.
[0005] The anti-slip process is prone to side slip: Conventional U-shaped anti-slip devices are often placed near the rupture location to achieve a better anti-slip effect. However, if the U-shaped anti-slip device is too close to the rupture location, it may slip side slip with the pipe during the pipe impact, or even fall off.
[0006] Complex structure and high cost: Currently, there are also H-type anti-swing limiting devices with multi-directional protection. Most of these devices are double-layer sleeve structures with energy-absorbing materials filled in between. The structure is complex and requires a large installation space. In order to achieve multi-directional protection, it is often necessary to build beams, slabs and columns around the pipeline, which is costly.
[0007] The compact and miniaturized design of new nuclear power reactors results in relatively narrow design space. In order to ensure the functional characteristics of the pipeline, a multi-directional anti-slip restraint device that meets its space requirements is needed. However, traditional anti-slip restraint devices occupy a large area and have only one anti-slip restraint direction, which cannot meet its requirements. Utility Model Content
[0008] The technical problem to be solved by this utility model is to provide a high-energy pipeline impact limiting device.
[0009] The technical solution adopted by this utility model to solve its technical problem is:
[0010] A high-energy pipeline impact limiting device, comprising:
[0011] Base;
[0012] An energy-absorbing component, comprising a limiting section, a first connecting section, and a second connecting section;
[0013] The limiting section surrounds at least half of the outer surface of the pipe. The first connecting section and the second connecting section are in a cross structure to cooperate with the limiting section circumferentially surrounding the pipe and are respectively connected to both ends of the limiting section to protect and limit the radial impact direction of the pipe away from the cross structure; and
[0014] A connecting component is mounted on the base and connected to the free ends of the first connecting segment and the second connecting segment.
[0015] Furthermore, in the high-energy pipeline impact limiting device, preferably, a gap is provided between the energy-absorbing element and the pipeline.
[0016] Furthermore, in the high-energy pipeline impact limiting device, preferably, the portion of the limiting section and the cross structure of the first connecting section and the second connecting section near the pipeline has a gap with the outer surface of the pipeline.
[0017] Furthermore, in the high-energy pipeline impact limiting device, it is preferable that the energy-absorbing element is used in one or more sets simultaneously.
[0018] Furthermore, in the high-energy pipeline impact limiting device, when multiple sets of energy-absorbing elements are used, the multiple sets of energy-absorbing elements are respectively arranged in different directions of the pipeline to protect and limit multiple radial impact methods on the pipeline.
[0019] Furthermore, in the high-energy pipeline impact limiting device, preferably the base and / or the connecting components are used in one or more sets simultaneously.
[0020] Furthermore, in the high-energy pipeline impact limiting device, the connecting assembly preferably includes a connector installed at the free end of the first connecting segment and the free end of the second connecting segment, and a fixing member for installing the connector on the base.
[0021] Furthermore, in the high-energy pipeline impact limiting device, preferably, the connector has a through-hole, and the fixing member is inserted into the through-hole.
[0022] Furthermore, in the high-energy pipeline impact limiting device, the base preferably includes a main body, a fixing part, a slot, and a fixing hole;
[0023] The fixing part is disposed on the main body, the slot is formed on the fixing part, the fixing hole is formed through the fixing part, the side of the connector away from the energy-absorbing member is disposed in the slot, and the fixing member is installed through the fixing hole.
[0024] Furthermore, in the high-energy pipeline impact limiting device, the energy-absorbing component is preferably provided with an anti-slip structure and / or a flexible structure.
[0025] The present invention has the following advantages: the energy-absorbing component, through the limiting section surrounding the outer surface of the pipe and the first connecting section and the second connecting section installed on the base and respectively connected to the two ends of the limiting section, can protect and limit the radial impact of high-energy pipes. At the same time, the structure of the energy-absorbing component enhances the friction with the high-energy pipe to prevent side slippage. The energy-absorbing component has the characteristics of small size, small installation space required, and low cost. Attached Figure Description
[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:
[0027] Figure 1 This is a schematic diagram of the main structure of the high-energy pipeline impact limiting device in some embodiments of this utility model;
[0028] Figure 2 yes Figure 1 A side view of the base and fastener assembly shown in the diagram.
[0029] Figure 3 yes Figure 1 The diagram shows the front view of the energy-absorbing component and connector assembly. Detailed Implementation
[0030] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "front," "rear," "upper," "lower," "left," "right," "longitudinal," "horizontal," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," and "tail" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.
[0031] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0032] In the following description, specific details such as particular system structures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
[0033] The technical solution adopted by this utility model to solve its technical problem is:
[0034] like Figure 1 and Figure 2 As shown, some embodiments of this utility model disclose a high-energy pipeline impact limiting device. In some embodiments, this device may include a base 10, energy-absorbing components 20, and a connecting assembly 30. The base 10 is fixed to the ground or a fixed platform by welding, splicing, snap-fitting, or other methods. The energy-absorbing components 20 are arranged around the outer surface of the pipeline to protect against radial impacts and are connected and fixed to the base 10 by the connecting assembly 30. In some embodiments, multiple energy-absorbing components 20 may be provided, arranged in different directions of the pipeline, to achieve protection against multiple radial impacts from the high-energy pipeline. The energy-absorbing components 20 are characterized by small size, small installation space requirement, and low cost.
[0035] For example Figure 1 and Figure 3As shown, in some embodiments, the energy-absorbing component 20 may include a limiting section 21, a first connecting section 22, and a second connecting section 23. The limiting section 21 surrounds at least half of the outer surface of the pipe and has an arc-shaped structure to match the arc-shaped outer surface of the pipe, thereby limiting the pipe at multiple points during impact. The first connecting section 22 and the second connecting section 23 have a cross structure and are respectively connected to the two ends of the limiting section 21 to protect and limit the radial impact direction of the pipe away from the cross structure. The first connecting section 22 and the second connecting section 23 of the cross structure pull the pipe impact force in opposite directions to form a constraint. Specifically, when the pipe is impacted to the right, the first connecting section 22 can pull the pipe to the left to limit it, preventing the pipe from impacting too much to the right; when the pipe is impacted to the left, the second connecting section 23 can pull the pipe to the left to limit it, preventing the pipe from impacting too much to the left.
[0036] A gap is provided between the energy-absorbing component 20 and the pipe. A gap is also provided between the portion of the intersecting structure of the limiting section 21, the first connecting section 22, and the second connecting section 23 near the pipe and the outer surface of the pipe. This gap between the energy-absorbing component 20 and the pipe allows for a predetermined impact on the pipe, preventing damage to the pipe itself due to excessive impact restriction preventing the impact force from being transmitted outwards.
[0037] The energy-absorbing components 20 can be used in one or more sets simultaneously. When multiple sets of energy-absorbing components 20 are used, they are respectively positioned in different directions of the pipeline to protect against and limit multiple radial impact methods. The base 10 and the connecting assembly 30 can be used in one or more sets simultaneously to fix one or more sets of energy-absorbing components 20. Multiple energy-absorbing components 20 can be positioned in any 360-degree direction of the pipeline to protect against multiple impact directions. The number of bases 10 and connecting assemblies 30 must be determined in accordance with the number of energy-absorbing components 20.
[0038] In some embodiments, the energy-absorbing component 20 is made of stainless steel and can absorb the energy during pipe impact. The energy-absorbing component 20 has the characteristics of small size, small installation space required, and low cost.
[0039] In some embodiments, the energy-absorbing component 20 is made of an elastic material used to absorb the energy during the impact of the pipe. The outer surface of the energy-absorbing component 20 is also provided with an anti-slip structure, which can be an anti-slip groove, raised anti-slip pattern, etc. This anti-slip structure enhances the friction with the high-energy pipe, achieving an anti-slip effect. Of course, in other embodiments, the anti-slip structure may not be provided.
[0040] In some embodiments, the outer surface of the energy-absorbing component 20 may not have an anti-slip structure. The energy-absorbing component 20 can achieve the anti-slip effect by relying on the friction force with the high-energy pipe.
[0041] In some embodiments, the base 10 may include a main body 11, a fixing part 12, a slot 13, and a fixing hole 14. The main body 11 is made of steel, iron, or other materials to allow it to be fixed to the ground or a base by the aforementioned welding method. Two fixing parts 12 are provided, which are spliced, snapped together, or detachably connected and mounted on the main body 11. The slot 13 is formed in the fixing part 12, and the fixing hole 14 is formed through the fixing part 12. In other embodiments, multiple fixing parts 12, slots 13, and fixing holes 14 may be provided (e.g., four, six, etc., depending on the number of energy-absorbing elements 20).
[0042] For reference Figure 3 Multiple sets of connecting components 30 are provided, and two sets of connecting components 30 can fix the energy-absorbing component 20 to the base 10. In other words, the first connecting segment 22 and the second connecting segment 23 of the energy-absorbing component 20 each require a connecting component 30 to fix them to the base 10.
[0043] In some embodiments, the connecting assembly 30 may include a connector 31 mounted on the first connecting segment 22 and the second connecting segment 23, and a fixing member 32 for mounting the connector 31 on the base 10. Specifically, the connector 31 has a through-hole 311, and the fixing member 32 is through-mounted in both the through-hole 311 and the fixing hole 14. This connection method has advantages such as simplicity, compact structure, strong load-bearing capacity, and good stability.
[0044] In some embodiments, the connector 31 is connected to the free end of the first connecting segment 22 and / or the free end of the second connecting segment 23 of the energy-absorbing member 20 by means of threads. Of course, in other embodiments, the connector 31 can also be connected by snap-fit, splicing, detachable connection and integral connection, etc.
[0045] In some embodiments, the fixing member 32 is a pin, which is inserted into the shaft hole 311 of the connector 31 and the fixing hole 14 of the fixing part 12 to fix the energy-absorbing member 20 to the base 10, so as to transfer the impact force of the energy-absorbing member 20 to the base 10. In other embodiments, the fixing member 32 may also be a bolt, pin or other fixing structure. Of course, the connecting assembly 30 may also be connected to the base 10 and the energy-absorbing member 20 through snap-fit, splicing, detachable connection or other connection structures.
[0046] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.
Claims
1. A high-energy pipeline impact limiting device, characterized in that, include: Base (10); Energy-absorbing component (20), the energy-absorbing component (20) includes a limiting section (21), a first connecting section (22) and a second connecting section (23); The limiting section (21) surrounds at least half of the outer surface of the pipe. The first connecting section (22) and the second connecting section (23) are in a cross structure to cooperate with the limiting section (21) which surrounds the pipe circumferentially and are respectively connected to both ends of the limiting section (21) to protect and limit the radial impact direction of the pipe away from the cross structure; and A connecting component (30) is mounted on the base (10) and connected to the free end of the first connecting segment (22) and the free end of the second connecting segment (23).
2. The high-energy pipeline impact limiting device according to claim 1, characterized in that, A gap is provided between the energy-absorbing element (20) and the pipe.
3. The high-energy pipeline impact limiting device according to claim 1, characterized in that, The portion of the cross structure of the limiting section (21) and the first connecting section (22) and the second connecting section (23) near the pipe has a gap with the outer surface of the pipe.
4. The high-energy pipeline impact limiting device according to claim 1, characterized in that, The energy-absorbing element (20) can be used in one or more sets at the same time.
5. The high-energy pipeline impact limiting device according to claim 4, characterized in that, When multiple sets of the energy-absorbing elements (20) are used, the multiple sets of the energy-absorbing elements (20) are respectively arranged in different directions of the pipeline to protect and limit the pipeline from multiple radial impact methods.
6. The high-energy pipeline impact limiting device according to claim 1, characterized in that, The base (10) and / or the connecting assembly (30) are used in one or more sets simultaneously.
7. The high-energy pipeline impact limiting device according to claim 1, characterized in that, The connecting assembly (30) includes a connector (31) installed at the free end of the first connecting segment (22) and the free end of the second connecting segment (23) and a fastener (32) for installing the connector (31) on the base (10).
8. The high-energy pipeline impact limiting device according to claim 7, characterized in that, The connector (31) has a through hole (311), and the fixing member (32) is inserted into the through hole (311).
9. The high-energy pipeline impact limiting device according to claim 7, characterized in that, The base (10) includes a main body (11), a fixing part (12), a slot (13), and a fixing hole (14); The fixing part (12) is disposed on the main body part (11), the slot (13) is opened on the fixing part (12), the fixing hole (14) is opened through the fixing part (12), the connecting member (31) is disposed in the slot (13) on the side away from the energy absorbing member (20), and the fixing member (32) is installed through the fixing hole (14).
10. The high-energy pipeline impact limiting device according to claim 1, characterized in that, The energy-absorbing component (20) is provided with an anti-slip structure and / or a flexible structure.