Multi-stage combined energy dissipation pipeline comprehensive anti-seismic support hanger inclined brace

Abstract

This utility model relates to a multi-stage combined energy-dissipating pipeline integrated seismic bracing system. Currently, the load transmitted to the pipeline system by the integrated seismic bracing system increases continuously in the later stages of an earthquake, leading to an increase in the seismic load borne by the pipeline system in the later stages. This utility model includes an outer restraint square steel pipe, an inner core, and multiple seismic connection components. The inner core is disposed inside the outer restraint square steel pipe, and the seismic connection components are disposed at both ends of the outer restraint square steel pipe and the inner core. The seismic connection components include an adjustable hinge connector base and an adjustable hinge connector. One end of the adjustable hinge connector base is connected to the channel steel of the pipeline system, and the other end is connected to the adjustable hinge connector. The end of the adjustable hinge connector away from the adjustable hinge connector base is connected to the outer restraint square steel pipe and the inner core. This utility model can reduce the seismic load transmitted to the pipeline system, achieving the functions of continuous and stable energy dissipation by the bracing system and protecting the pipeline system.

Description

Technical Field

[0001] This utility model relates to the field of seismic bracing technology, specifically to a multi-level combined energy-dissipating pipeline integrated seismic bracing diagonal brace. Background Technology

[0002] The most prominent characteristic of pipeline systems is their limited space. Consequently, ordinary seismic bracing systems are ill-suited to support multiple pipelines and withstand earthquakes. Integrated pipeline seismic bracing systems, designed for simultaneous installation of multiple pipelines, can not only support various pipeline systems simultaneously, significantly saving installation space, but also provide a degree of pipeline protection and earthquake resistance. While integrated pipeline seismic bracing systems can support multiple pipelines and provide earthquake resistance, the increased weight due to the large number of pipelines they support necessitates them to withstand greater seismic forces.

[0003] As a unique component of seismic bracing systems used for earthquake resistance, seismic bracing is assembled from channel steel and seismic connectors. It primarily resists seismic forces through "hard resistance" methods such as frictional slippage and compressive deformation between components. Seismic bracing is connected to both the seismic bracing system and the main building structure, and is the sole component resisting seismic forces. However, in high-intensity seismic zones and under strong earthquakes, traditional seismic bracing suffers severe damage. Furthermore, the load-bearing capacity of the bracing continues to increase in the later stages of an earthquake, and the relatively rigid structure leads to a continuous increase in the load transmitted to the seismic bracing-pipeline system. This results in a significant increase in the seismic forces borne by the seismic bracing-pipeline system in the later stages, thereby reducing the ductility of the seismic bracing system.

[0004] Therefore, there is an urgent need to propose a comprehensive seismic-resistant pipe support brace that can reduce the seismic load on the pipe support-pipeline system under various seismic loading conditions. Summary of the Invention

[0005] The purpose of this invention is to provide a multi-level combined energy-dissipating pipeline integrated seismic bracing system to at least solve the problem that existing seismic bracing systems increase the seismic load on the support-pipeline system under various seismic load conditions.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A multi-level combined energy-dissipating pipeline integrated seismic bracing diagonal brace, the diagonal brace comprising an outer constrained square steel pipe, an inner core and multiple seismic connection components, the inner core being disposed inside the outer constrained square steel pipe, and the seismic connection components being disposed at both ends of the outer constrained square steel pipe and the inner core;

[0008] The seismic connection assembly includes an adjustable hinge connector base and an adjustable hinge connector. One end of the adjustable hinge connector base is connected to the channel steel of the support-pipeline system, and the other end is connected to the adjustable hinge connector. The end of the adjustable hinge connector away from the adjustable hinge connector base is connected to the outer constraint square steel pipe and the inner core.

[0009] Furthermore, the adjustable hinge connector is a cuboid, and its longitudinal cross-sectional area is larger than that of the outer constraint square steel pipe.

[0010] Furthermore, the adjustable hinge connector has a plurality of first ear plates symmetrically arranged at one end near the base of the adjustable hinge connector for connecting the base of the adjustable hinge connector, and each of the first ear plates has a first bolt hole.

[0011] Furthermore, a second ear plate for connecting the inner core is provided at the middle of one end of the adjustable hinge connector away from the base of the adjustable hinge connector, and a second bolt hole is provided on the second ear plate.

[0012] Furthermore, multiple third ear plates are provided on both sides of the second ear plate for connecting the outer constraint square steel pipe, and each of the third ear plates is provided with a third bolt hole.

[0013] Furthermore, a groove is provided on the side wall where the outer constraint square steel pipe connects to the third ear plate, and a fifth bolt hole is respectively opened at the bottom of the groove near both ends.

[0014] Furthermore, a gap is pre-set between one end of the external constraint square steel tube and the adjustable hinge connector.

[0015] Furthermore, the longitudinal section of the inner core is cross-shaped, and both ends of the inner core are bifurcated.

[0016] Furthermore, a viscoelastic rubber damping block is provided in the middle of the inner core.

[0017] Furthermore, butterfly springs are respectively provided at both ends of the inner core near the two forks.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] 1. This utility model provides a multi-level combined energy-dissipating pipeline integrated seismic brace. By setting an outer restraint square steel pipe and an inner core, when an earthquake occurs, under the action of frequent earthquakes and design earthquakes, the outer restraint square steel pipe, the inner core, and ordinary bolts and high-strength bolts are subjected to tensile and compressive deformation to achieve the function of energy dissipation and vibration reduction. Under the action of rare earthquakes, the ordinary bolts connecting the outer restraint square steel pipe and the adjustable hinge connector will fail in shear before the outer restraint square steel pipe. The outer restraint square steel pipe will stop working, the seismic brace will "soften" and the stiffness will be reduced. The steel inner core with good energy dissipation performance will resist the seismic action, and the seismic action transmitted to the support-pipeline system will be reduced. Thus, the brace achieves the function of continuous and stable energy dissipation and protection of the support-pipeline system.

[0020] 2. This utility model, by setting a butterfly spring and a viscoelastic rubber damping block on the inner core, allows the energy-dissipating component, along with the inner core and the outer restraining square steel tube, to resist the seismic action under frequent earthquakes and designed earthquakes. When encountering a rare earthquake, the outer restraining square steel tube stops working, and the butterfly spring and viscoelastic rubber damping block can play a buffering role, preventing the instantaneous displacement from increasing too quickly under earthquake.

[0021] 3. This utility model is fixed by only a variety of bolts, with a simple structure, ingenious design, convenient disassembly and assembly, and firm assembly, making it suitable for widespread use. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other embodiments can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a structural schematic diagram of the inner core and the seismic connection components;

[0025] Figure 3 This is a schematic diagram of an externally constrained square steel tube structure;

[0026] Figure 4 This is a schematic diagram of the vertical placement of this utility model;

[0027] Figure 5 yes Figure 4 Left view;

[0028] The diagram is labeled as follows:

[0029] 1-Adjustable hinge connector base, 2-Adjustable hinge connector, 3-Long bolt, 4-Ordinary bolt, 5-External restraint square steel tube, 6-High-strength bolt, 7-Viscoelastic rubber damping block, 8-Inner core, 9-Butterfly spring, 10-Groove. Detailed Implementation

[0030] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0031] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Furthermore, in the description of this utility model, the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance. Of course, such terms can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in a sequence other than those illustrated or described herein.

[0034] Will Figure 1 The direction from the upper end face to the lower end face of the square steel pipe 5 with external constraint along the middle edge is defined as longitudinal. Figure 1 The direction parallel to the two seismic connection components is defined as the transverse direction.

[0035] Example:

[0036] like Figure 1As shown, this embodiment provides a multi-level combined energy dissipation pipeline integrated seismic brace. The brace is connected and installed between the support-pipeline system and the main building structure. The brace includes an outer restraint square steel pipe 5, an inner core 8, and two seismic connection components. The inner core 8 is located inside the outer restraint square steel pipe 5, and the two seismic connection components are respectively located at both ends of the outer restraint square steel pipe 5 and the inner core 8.

[0037] The inner core 8 and the outer restraint square steel pipe 5 work together to resist the effects of frequent earthquakes and design earthquakes. In the later stages of rare earthquakes, the automatic "softening" mechanism of the outer restraint square steel pipe 5 is sacrificed to attract more seismic energy to dissipate in the seismic bracing. At the same time, it avoids the seismic bracing from yielding and continuously strengthening in the later stages of the earthquake, which would cause adverse damage to the support and pipeline system.

[0038] Specifically, such as Figure 2 As shown, the seismic connection assembly includes an adjustable hinge connector base 1 and an adjustable hinge connector 2. The adjustable hinge connector base 1 has three fourth bolt holes. The fourth bolt hole at one end of the adjustable hinge connector base 1 is connected to the channel steel of the support-pipeline system through a plastic wing nut and an expanded bottom anchor bolt. The two fourth bolt holes at the other end are connected to the adjustable hinge connector 2 through long bolts 3.

[0039] The adjustable hinge connector 2 is a cuboid. The end of the adjustable hinge connector 2 away from the adjustable hinge connector base 1 is connected to the outer constraint square steel tube 5 and the inner core 8. The longitudinal cross-sectional area of ​​the adjustable hinge connector 2 is greater than the longitudinal cross-sectional area of ​​the outer constraint square steel tube 5.

[0040] In this embodiment, the adjustable hinge connector 2 is symmetrically provided with two first ear plates for connecting the adjustable hinge connector base 1 at one end near the adjustable hinge connector base 1. Each of the two first ear plates is provided with a first bolt hole, and the two first bolt holes correspond to the fourth bolt holes respectively. The adjustable hinge connector 2 is fixed to the adjustable hinge connector base 1 by passing the long bolts 3 through the first bolt holes and the fourth bolt holes on both sides in sequence.

[0041] Two third ear plates are provided at the end of the adjustable hinge connector 2 away from the adjustable hinge connector base 1 for connecting the external constraint square steel pipe 5. Each of the third ear plates is provided with a third bolt hole.

[0042] A second ear plate for connecting the inner core 8 is provided between the two third ear plates, and a second bolt hole is provided on the second ear plate.

[0043] Preferably, in order to adapt to different usage needs, the third ear plate of the adjustable hinge connector 2 can be arranged in different directions, such as at the top and bottom of the outer constraint square steel pipe 5, and is not limited to two.

[0044] like Figure 3As shown, a groove 10 for limiting the outer restraint square steel pipe 5 is provided on the side wall where the outer restraint square steel pipe 5 is connected to the third ear plate. The bottom of the groove 10 is the outer side wall of the outer restraint square steel pipe 5. The outer restraint square steel pipe 5 is locked in place by the adjustable hinge connector 2 through the groove 10, ensuring that the outer restraint square steel pipe 5 and the adjustable hinge connector 2 can only slide laterally during relative movement, avoiding shaking and preventing the outer restraint square steel pipe 5 from falling off.

[0045] Furthermore, the bottom of the groove 10 is provided with fifth bolt holes near both ends. The positions of the two fifth bolt holes on the same bottom are asymmetrical, while the positions of the two fifth bolt holes on the same end of different bottoms are symmetrical. The fifth bolt holes correspond to the third bolt holes.

[0046] like Figure 4 and Figure 5 As shown, one end of the outer constraint square steel pipe 5 is fixed to the third ear plate by ordinary bolts 4 passing through the fifth bolt hole and the third bolt hole in sequence, and the other end is fixed to the third ear plate by high-strength bolts 6 of grade 8.8 passing through the fifth bolt hole and the third bolt hole in sequence.

[0047] Preferably, in order to adapt to different usage needs, the external constraint square steel pipe 5 can use different cross-sectional shapes and materials, but it should be noted that the tensile strength of the material used should be stronger than the shear strength of the ordinary bolt 4.

[0048] Furthermore, a gap is pre-set between one end of the external restraint square steel pipe 5 and the adjustable hinge connector 2, so that the external restraint square steel pipe 5 can be completely withdrawn from operation under rare earthquakes.

[0049] Under rare earthquake conditions, the ordinary bolts 4 connecting the outer restraint square steel pipe 5 and the adjustable hinge connector 2 will undergo shear failure before the outer restraint square steel pipe 5. The outer restraint square steel pipe 5 will cease to function, the seismic brace will "soften" and its stiffness will decrease. The inner core 8 will then resist the seismic action, thereby reducing the seismic action transmitted to the support-pipeline system.

[0050] In this embodiment, the longitudinal section of the inner core 8 is cross-shaped, and both ends of the inner core 8 are bifurcated. Each bifurcation is provided with a sixth bolt hole. The sixth bolt holes on the same end are symmetrically arranged. The second ear plate is located between the two bifurcations on the same end. The sixth bolt hole corresponds to the second bolt hole. The inner core 8 is fixed to the adjustable hinge connector 2 by passing the bolt through the sixth bolt hole, the second bolt hole and the sixth bolt hole in sequence.

[0051] The inner core 8 is fitted with a viscoelastic rubber damping block 7 in the middle, and butterfly springs 9 are respectively installed at both ends of the inner core 8 near the bifurcation. When the outer constraint square steel tube 5 is removed from the work, in order to avoid the instantaneous displacement from increasing too quickly under earthquake, both the viscoelastic rubber damping block 7 and the butterfly springs 9 play an important buffering role.

[0052] The inner core 8 is made of LY225 steel, which can quickly "soften" under rare earthquakes, reducing the seismic load on the main building structure.

[0053] Preferably, in order to adapt to different usage needs, the inner core 8 can use different cross-sectional forms and is not limited to LY255 steel. Different materials and cross-sectional parameters can be used according to the required yield strength of the outer restraint square steel tube 5.

[0054] In this embodiment, the yield strength of the outer constraint square steel tube 5 can be obtained by changing the material and number of ordinary bolts 4. The number of ordinary bolts 4 is calculated using the following formula:

[0055]

[0056] In the formula, n is the number of ordinary bolts 4 used, F s Let τ be the maximum load limit of the square steel pipe 5 required for external constraint, τ be the shear strength of the ordinary bolt 4, and d be the diameter of the rod of the ordinary bolt 4.

[0057] The above-described specific examples are for illustrative purposes only and are not intended to limit the scope of this invention. Those skilled in the art to which this invention pertains can make various simple deductions, modifications, or substitutions based on the concept of this invention.

Claims

1. A multi-stage combined energy dissipation pipeline integrated seismic bracing system, characterized in that: The diagonal brace includes an outer constrained square steel tube (5), an inner core (8), and multiple seismic connection components. The inner core (8) is located inside the outer constrained square steel tube (5), and the seismic connection components are located at both ends of the outer constrained square steel tube (5) and the inner core (8). The seismic connection assembly includes an adjustable hinge connector base (1) and an adjustable hinge connector (2). One end of the adjustable hinge connector base (1) is connected to the channel steel of the support-pipeline system, and the other end is connected to the adjustable hinge connector (2). The end of the adjustable hinge connector (2) away from the adjustable hinge connector base (1) is connected to the outer constraint square steel pipe (5) and the inner core (8).

2. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 1, characterized in that: The adjustable hinge connector (2) is a cuboid, and its longitudinal cross-sectional area is larger than that of the external constraint square steel pipe (5).

3. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 1, characterized in that: The adjustable hinge connector (2) has a plurality of first ear plates symmetrically arranged at one end near the adjustable hinge connector base (1) for connecting the adjustable hinge connector base (1), and each of the first ear plates has a first bolt hole.

4. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 1, characterized in that: The adjustable hinge connector (2) has a second ear plate at the middle of one end away from the adjustable hinge connector base (1) for connecting the inner core (8), and the second ear plate has a second bolt hole.

5. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 4, characterized in that: The second ear plate has multiple third ear plates on both sides for connecting the external constraint square steel pipe (5), and each third ear plate has a third bolt hole.

6. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 1, characterized in that: The outer constraint square steel pipe (5) is provided with a groove (10) on the side wall where it connects to the third ear plate. The bottom of the groove (10) is provided with fifth bolt holes near both ends.

7. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 1, characterized in that: A gap is pre-set between one end of the external constraint square steel pipe (5) and the adjustable hinge connector (2).

8. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 1, characterized in that: The longitudinal section of the inner core (8) is cross-shaped, and both ends of the inner core (8) are bifurcated.

9. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 1, characterized in that: A viscoelastic rubber damping block (7) is provided in the middle of the inner core (8).

10. The multi-stage combined energy dissipation pipeline integrated seismic bracing diagonal brace according to claim 8, characterized in that: The inner core (8) is provided with butterfly springs (9) at both ends near the two forks.

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