Damping device
By using columns and beams to form an S-shaped structure in indoor heavy equipment and combining it with dampers, the resonance and overturning problems of heavy equipment during earthquakes are solved, achieving both shock absorption and safety assurance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-13
- Publication Date
- 2026-04-07
AI Technical Summary
Heavy indoor equipment is prone to resonance during earthquakes, which amplifies the seismic response, and existing seismic isolation bearings may cause the equipment to overturn.
The structure employs columns and beams to form a horizontal S-shaped structure, combined with dampers, to provide flexibility and frequency adjustment, avoid resonance, and maintain high stiffness in the vertical direction to prevent overturning.
It effectively reduces the seismic response of equipment, avoids resonance and overturning, provides safety assurance, and facilitates maintenance and component replacement.
Smart Images
Figure CN121803591A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of shock absorption technology, in particular to a shock absorption device. BACKGROUND
[0002] Indoor heavy equipment such as transformers and reactors has a large mass, and its own fundamental frequency may be close to the characteristic frequency of the indoor converter station, thereby generating resonance effect, amplifying the seismic response, and damaging the indoor heavy equipment.
[0003] In order to reduce the seismic response, a shock isolation support is usually arranged between the indoor heavy equipment and the floor of the indoor converter station, and the indoor heavy equipment is protected by the shock isolation support. Although the shock isolation support can effectively attenuate the horizontal seismic action, for indoor heavy equipment with large eccentricity, the use of the shock isolation support will cause the indoor heavy equipment to overturn. SUMMARY
[0004] Therefore, it is necessary to provide a shock absorption device which can avoid resonance, reduce the seismic response of the equipment to be absorbed, and at the same time avoid the shock absorption device and the equipment to be absorbed from overturning during an earthquake, and provide sufficient safety protection.
[0005] A shock absorption device for connecting with an equipment to be absorbed, the shock absorption device comprising:
[0006] a plurality of columns, the plurality of columns are arranged at intervals along a first direction of the shock absorption device, and the two columns located at the outermost sides are configured to be connected with a support surface, and the remaining columns are configured to be arranged at intervals from the support surface; and
[0007] a plurality of beams, the plurality of beams are arranged between adjacent two columns, in the first direction, one of the adjacent beams and the column are connected at one end along a second direction of the shock absorption device, and the other of the adjacent beams and the column are connected at the other end along the second direction, and the first direction intersects with the second direction.
[0008] The shock absorption device described above, the plurality of columns and the plurality of beams are connected to form a horizontally placed S-shaped structure, which can provide controllable flexibility, adjust the fixed frequency of the shock absorption device, so that the frequency of the whole composed of the shock absorption device and the equipment to be absorbed is staggered with the natural frequency of the building, avoiding resonance, reducing the seismic response of the equipment to be absorbed, and at the same time being able to maintain high stiffness and bearing capacity in the vertical direction, avoiding the shock absorption device and the equipment to be absorbed from overturning during an earthquake, and providing sufficient safety protection.
[0009] In one of the embodiments, the shock-absorbing device further comprises a damper, at least part of the damper is arranged between two adjacent columns, and the damper is connected with the columns adjacent thereto. In this way, the columns and the beams can provide flexibility and frequency adjustment, and the damper can provide additional damping to dissipate vibration energy, thereby reducing the vibration amplitude and acceleration attenuation of the shock-absorbing device and the equipment to be damped, and improving the overall energy dissipation capacity and shock-absorbing effect of the shock-absorbing device.
[0010] In one of the embodiments, the damper comprises a first damping part, a second damping part and a third damping part, the first damping part and the second damping part are arranged in the first direction, the first damping part is connected with the column on the side away from the second damping part, the second damping part is connected with the column on the side away from the first damping part, and the third damping part is arranged between the first damping part and the second damping part, and the first damping part, the second damping part and the third damping part are connected to form a U-shaped structure. In this way, when the relative displacement of two adjacent columns is caused by an earthquake, the damper of the U-shaped structure can produce bending deformation, thereby coordinating with the deformation of the shock-absorbing device and efficiently dissipating vibration energy.
[0011] In one of the embodiments, the open end of the damper is close to the beam opposite thereto in the second direction, and in the second direction, the third damping part exceeds the end of the remaining column. In this way, the damper can be easily pulled out from between the two columns, improving the convenience of replacing the damper, and also making full use of the plastic energy dissipation of the U-shaped damper.
[0012] In one of the embodiments, the damper is a mild steel damper. Mild steel has excellent low yield point and ductility, and its hysteresis curve is a full diamond shape, indicating that the damper has stable post-yield stiffness and strong energy dissipation capacity. In the initial stage of work, it is in the elastic stage, and when the earthquake force exceeds the yield threshold, it quickly enters the stable metal yield plastic stage, and efficiently dissipates a large amount of seismic energy input into the shock-absorbing device through continuous cyclic deformation.
[0013] In one of the embodiments, the columns and the beams are detachably connected. In this way, if a single column or beam is damaged, the damaged column or beam can be detached for quick replacement and targeted maintenance, without the need to replace the entire shock-absorbing device, thereby reducing maintenance costs.
[0014] In one of the embodiments, the two columns located at the outermost sides are first columns, and the remaining columns are second columns; the first end of the first column exceeds the first end of the second column in the second direction, the first end of the first column is configured to be connected with the support surface, and the first end of the second column is configured to be arranged away from the support surface, so that the second column is arranged in a suspended manner.
[0015] In one embodiment, the second column is provided in plurality, and one end of the cross beam between the first column and the second column is connected to the second end of the first column, and the other end is connected to the second end of the second column. In this way, a transversely arranged S-shaped damping device is formed, so that the stiffness of the damping device is sufficient, and there is enough displacement space to deform, so as to achieve a better frequency modulation damping effect.
[0016] In one embodiment, the first column is provided with a reinforcing rib. By providing the reinforcing rib, the overall structural strength and stability of the damping device can be improved, so as to avoid the damping device from overturning under the action of vertical load and horizontal force of earthquake.
[0017] In one embodiment, the cross beam is configured to be spaced apart from the support surface. In this way, the frequency modulation damping effect can be ensured. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 FIG. 4 is a structural schematic diagram of a damping device and a device to be damped after being assembled according to an embodiment of the present application.
[0019] Figure 2 FIG. 5 is a structural schematic diagram of a damping device according to an embodiment of the present application.
[0020] Figure 3 FIG. 6 is a structural schematic diagram of a damper of a damping device according to an embodiment of the present application.
[0021] BRIEF DESCRIPTION OF DRAWINGS
[0022] 10, damping device; 11, column; 111, first column; 1111, reinforcing rib; 112, second column; 12, cross beam; 13, damper; 131, first damping part; 132, second damping part; 133, third damping part; 20, device to be damped; 21, mounting plate; 30, support surface; X, first direction; Y, second direction. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.
[0024] Reference Figure 1 , Figure 1Figure 1 shows a structural schematic diagram of a damping device 10 and a device to be damped 20 after being assembled. The damping device 10 provided by an embodiment of the present application is used to be connected with the device to be damped 20.
[0025] The damping device 10 is installed on the support surface 30, and the device to be damped 20 is provided with a mounting plate 21 connected with the damping device 10. By connecting the mounting plate 21 with the damping device 10, the device to be damped 20 can be avoided to be modified, which is easy for engineering practice.
[0026] In the exemplary embodiment, the damping device 10 and the device to be damped 20 are both installed indoors, and the support surface 30 is a floor panel of an indoor converter station. The device to be damped 20 is a power device such as a transformer. Of course, in other embodiments, the device to be damped 20 can also be other devices, which are not limited thereto.
[0027] By setting the damping device 10, the damping device 10 can adjust the natural frequency of the device to be damped 20, so that the device to be damped 20 can avoid the natural frequency of the building, thereby effectively reducing the seismic response of the device to be damped 20.
[0028] In one embodiment, referring to Figure 1 and Figure 2 , Figure 1 Figure 1 shows a structural schematic diagram of a damping device 10 and a device to be damped 20 after being assembled, Figure 2 Figure 1 shows a structural schematic diagram of a damping device 10 and a device to be damped 20 after being assembled. The damping device 10 provided by an embodiment of the present application is used to be connected with the device to be damped 20.
[0029] Referring to Figure 2 , Figure 2 Figure 1 shows a structural schematic diagram of a damping device 10 and a device to be damped 20 after being assembled. The damping device 10 provided by an embodiment of the present application is used to be connected with the device to be damped 20.
[0030] The outermost column 11 is defined as a first column 111, and the column 11 between the two outermost columns 11 is defined as a second column 112. The first end of the first column 111 is beyond the first end of the second column 112, and the first end of the first column 111 is connected with the support surface 30, and the first end of the second column 112 is spaced apart from the support surface 30, so that the second column 112 is suspended.
[0031] Referring to Figure 2 ,Figure 2 A schematic diagram of the structure of a shock-absorbing device 10 according to an embodiment of this application is shown. A crossbeam 12 is provided between two adjacent columns 11. In a first direction, one of the adjacent crossbeams 12 is connected to one end of the two adjacent columns 11 in a second direction, and the other adjacent crossbeam 12 is connected to the other end of the two adjacent columns 11 in the second direction.
[0032] The first direction intersects the second direction. Optionally, the first direction is perpendicular to the second direction. For ease of understanding, the second direction is represented by Y.
[0033] Thus, multiple columns 11 and multiple beams 12 are connected to form a horizontal S-shaped structure. This provides controllable flexibility, allowing adjustment of the fixed frequency of the damping device 10. This ensures that the overall frequency of the damping device 10 and the device to be damped 20 is offset from the natural frequency of the building, avoiding resonance and reducing the seismic response of the device to be damped 20. Simultaneously, it maintains high stiffness and load-bearing capacity in the vertical direction, preventing the damping device 10 and the device to be damped 20 from overturning during an earthquake, providing sufficient safety. It is understood that the damping device 10 has adjustable translational stiffness and can also achieve stability under static loads.
[0034] In one embodiment, see Figure 2 See Figure 2 , Figure 2 A schematic diagram of the structure of a vibration damping device 10 according to an embodiment of this application is shown. Multiple second columns 112 are provided. One end of a crossbeam 12 between adjacent first columns 111 and second columns 112 is connected to the second end of the first column 111, and the other end is connected to the second end of the second column 112. This forms a horizontally positioned S-shaped vibration damping device 10, ensuring sufficient rigidity and adequate displacement space for deformation, thereby achieving a better frequency modulation and vibration damping effect.
[0035] It should be noted that the number of columns 11 and beams 12 can be set according to actual needs. In the exemplary embodiment, see [reference needed]. Figure 2 , Figure 2 A schematic diagram of the structure of a shock-absorbing device 10 according to an embodiment of this application is shown. Four columns 11 are provided, namely two first columns 111 and two second columns 112. Both first columns 111 are connected to the support surface 30, and both second columns 112 are spaced apart from the support surface 30. Three crossbeams 12 are provided. A crossbeam 12 is provided between adjacent first columns 111 and second columns 112, located above the first column 111 and second column 112. A crossbeam 12 is provided between two adjacent second columns 112, located below the second column 112.
[0036] Of course, in other embodiments, three columns 11 may also be provided, and the three columns 11 are arranged at intervals along the first direction. There are two crossbeams 12, with one crossbeam 12 between two adjacent columns 11, and one of the adjacent crossbeams 12 in the first direction is located at one end of the column 11 in the second direction, and the other adjacent crossbeam 12 is located at the other end of the column 11 in the second direction.
[0037] In one embodiment, the column 11 and the crossbeam 12 are detachably connected. Thus, if a single column 11 or crossbeam 12 is damaged, the damaged column 11 or crossbeam 12 can be removed for quick replacement and targeted maintenance, without having to replace the entire shock absorber 10, thus reducing maintenance costs.
[0038] Optionally, the column 11 is provided with a first connecting hole, and the crossbeam 12 is provided with a second connecting hole, the first connecting hole and the second connecting hole communicating with each other. A connector is provided in the first connecting hole and the second connecting hole, passing through the first connecting hole and the second connecting hole to detachably connect the column 11 and the crossbeam 12. The connector can be a screw, bolt, or similar material.
[0039] Of course, in other embodiments, at least one of the column 11 and the crossbeam 12 may be provided with a latching protrusion, and at least the other of the column 11 and the crossbeam 12 may be provided with a latching groove, with the latching protrusion disposed in the latching groove, so as to detachably connect the column 11 and the crossbeam 12.
[0040] In one embodiment, see Figure 2 , Figure 2 A schematic diagram of the structure of a vibration damping device 10 according to an embodiment of this application is shown. The vibration damping device 10 also includes a damper 13. At least a portion of the damper 13 is disposed between two adjacent columns 11. In this way, the columns 11 and the crossbeam 12 can provide flexibility and frequency adjustment, while the damper 13 can provide additional damping to dissipate vibration energy, thereby reducing the vibration amplitude and accelerating the attenuation of the vibration of the vibration damping device 10 and the device 20 to be damped, and improving the overall energy dissipation capacity and vibration damping effect of the vibration damping device 10.
[0041] It should be noted that the number of dampers 13 can be set according to actual needs. In an exemplary embodiment, the number of dampers 13 is the same as the number of crossbeams 12, and three dampers 13 are provided, with one damper 13 between two adjacent columns 11. Of course, in other embodiments, the number of dampers 13 may be less than or greater than the number of crossbeams 12.
[0042] In one embodiment, the damper 13 is a mild steel damper. Mild steel has excellent low yield point and ductility, and its hysteresis curve is a full rhombus shape, indicating that the damper 13 has stable post-yield stiffness and strong energy dissipation capacity. In the initial stage of operation, it is in the elastic stage. When the seismic force exceeds its yield threshold, it quickly enters a stable metallic yield plastic stage, efficiently dissipating a large amount of seismic energy input to the damping device 10 through continuous cyclic deformation.
[0043] Of course, in other embodiments, the damper 13 may be of other types, and is not limited thereto.
[0044] In one embodiment, see Figure 2 , Figure 3 A schematic diagram of the structure of a vibration damping device 10 according to an embodiment of this application is shown. The damper 13 is U-shaped, with one side of the damper 13 connected to one of the adjacent columns 11, and the other side of the damper 13 connected to another adjacent column 11. Thus, when an earthquake causes relative displacement between the two adjacent columns 11, the U-shaped damper 13 can undergo bending deformation, thereby coordinating with the deformation of the vibration damping device 10 and efficiently dissipating vibration energy.
[0045] Specifically, see Figure 2 and Figure 3 , Figure 2 A schematic diagram of the structure of a shock-absorbing device 10 according to an embodiment of this application is shown. Figure 2 A schematic diagram of the damper structure of a shock absorption device according to an embodiment of this application is shown. The damper 13 includes a first damping part 131, a second damping part 132, and a third damping part 133. The first damping part 131 and the second damping part 132 are spaced apart in a first direction, and the third damping part 133 is disposed between the first damping part 131 and the second damping part 132. The first damping part 131, the second damping part 132, and the third damping part 133 are connected to form a U-shape. The first damping part 131 is connected to a column 11 on the side opposite to the second damping part 132, and the second damping part 132 is connected to a column 11 on the side opposite to the first damping part 131.
[0046] Further, see Figure 2 , Figure 2 A schematic diagram of the structure of a damping device 10 according to an embodiment of this application is shown. The open end of the damper 13 is close to the crossbeam 12 opposite to it in the second direction, and in the second direction of the column 11, the third damping part 133 extends beyond the end of the second column 112. In this way, it is convenient to pull the damper 13 out between the two columns 11, improving the convenience of replacing the damper 13, while also making full use of the plastic energy dissipation of the U-shaped damper 13.
[0047] In one embodiment, see Figure 1 , Figure 1A schematic diagram of the structure of a vibration damping device 10 according to an embodiment of this application is shown. The first column 111 is provided with reinforcing ribs 1111. Further, both first columns 111 are provided with reinforcing ribs 1111; the reinforcing ribs 1111 closer to the device to be damped 20 are connected to at least one of the mounting plate 21 and the supporting surface 30, while the reinforcing ribs 1111 farther from the device to be damped 20 are connected to the supporting surface 30. By providing reinforcing ribs 1111 on the columns 11, the overall structural strength and stability of the vibration damping device 10 can be improved, preventing the vibration damping device 10 from overturning under vertical loads and horizontal seismic forces.
[0048] In one embodiment, multiple shock absorbers 10 are provided, and the multiple shock absorbers 10 are respectively disposed on both sides of the device 20 to be shock absorbed in the first direction. In this way, the shock absorbers 10 support both sides of the device 20 to be shock absorbed, which can better achieve the effect of frequency modulation and shock absorption, thereby better protecting the device 20 to be shock absorbed.
[0049] In an exemplary embodiment, see , A schematic diagram of the structure of a shock-absorbing device 10 and a device 20 to be shock-absorbing according to an embodiment of this application is shown. Two shock-absorbing devices 10 are provided, one of which is located on one side of the device 20 to be shock-absorbing in the first direction, and the other is located on the other side of the device 20 to be shock-absorbing in the first direction.
[0050] By installing damping devices 10 on both sides of the device to be damped 20 and connecting the device to be damped 20 to the damping devices 10, and connecting multiple columns 11 and multiple beams 12 to form a horizontal S-shaped structure, controllable flexibility can be provided. The fixed frequency of the damping devices 10 can be adjusted so that the frequency of the whole structure consisting of the damping devices 10 and the device to be damped 20 is offset from the natural frequency of the building, avoiding resonance and reducing the seismic response of the device to be damped 20. Simultaneously, it can maintain high stiffness and load-bearing capacity in the vertical direction, preventing the damping devices 10 and the device to be damped 20 from overturning during an earthquake, providing sufficient safety assurance. It is understood that the damping devices 10 have adjustable translational stiffness and can also achieve stability under static loads.
[0051] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application.
[0052] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0053] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., 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, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0054] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0055] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.
[0056] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0057] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A shock absorption device, characterized in that, For connection to the device to be damped, the damping device includes: The device includes multiple columns spaced apart along a first direction of the shock absorption device. The two outermost columns are configured to connect to the support surface, while the remaining columns are spaced apart from the support surface. A crossbeam is disposed between two adjacent columns. In the first direction, one of the adjacent crossbeams and one end of the column are connected along the second direction of the shock absorption device, and the other adjacent crossbeam is connected along the other end of the column along the second direction. The first direction intersects the second direction.
2. The shock absorption device according to claim 1, characterized in that, The shock absorption device further includes a damper, at least a portion of which is disposed between two adjacent columns, and the damper is connected to the adjacent column.
3. The shock absorption device according to claim 2, characterized in that, The damper includes a first damping part, a second damping part, and a third damping part. The first damping part and the second damping part are spaced apart along the first direction. The first damping part is connected to a column on the side opposite to the second damping part. The second damping part is connected to a column on the side opposite to the first damping part. The third damping part is located between the first damping part and the second damping part. The first damping part, the second damping part, and the third damping part are connected to form a U-shaped structure.
4. The shock absorption device according to claim 3, characterized in that, The open end of the damper is close to the crossbeam opposite it in the second direction, and the third damping portion extends beyond the end of the remaining column in the second direction.
5. The shock absorption device according to claim 2, characterized in that, The damper is a soft steel damper.
6. The shock absorption device according to claim 1, characterized in that, The column and the crossbeam are detachably connected.
7. The shock absorption device according to any one of claims 1 to 6, characterized in that, The two outermost columns are the first columns, and the remaining columns are the second columns; The first end of the first column extends beyond the first end of the second column in the second direction. The first end of the first column is configured to connect with the support surface, and the first end of the second column is configured to be spaced apart from the support surface, so that the second column is suspended.
8. The shock absorption device according to claim 7, characterized in that, The second column is provided in multiple parts. One end of the crossbeam between the first column and the second column is connected to the second end of the first column, and the other end is connected to the second end of the second column.
9. The shock absorption device according to claim 7, characterized in that, The first column is equipped with reinforcing ribs.
10. The shock absorption device according to any one of claims 1 to 6, characterized in that, The crossbeam is configured to be spaced apart from the support surface.