Energy consumption damper and bridge

Abstract

The utility model relates to an energy dissipation damper and a bridge, the energy dissipation damper comprises a swing rod, the swing rod is sequentially provided with a first mounting point, a second mounting point and a third mounting point in the length direction of the swing rod, and the distance between the first mounting point and the second mounting point is smaller than the distance between the second mounting point and the third mounting point; the first connecting lug plate is hinged to the first mounting point, the second connecting lug plate is hinged to the second mounting point, the first connecting lug plate is used for being fixed to a bridge span structure, the second connecting lug plate is used for being fixed to a lower structure, and when the first connecting lug plate moves in the transverse bridge direction, the second connecting lug plate is hinged to the second mounting point. And the first connecting lug plate drives the swing rod to rotate around the second mounting point. Due to the fact that the distance between the first installation point and the second installation point is smaller than that between the second installation point and the third installation point, the labor-consuming lever principle is achieved, and the effect of amplifying energy consumption and reducing vibration is achieved.

Description

Technical Field

[0001] The invention relates to the field of bridge engineering, and in particular to an energy dissipation damper and a bridge. Background Art

[0002] With the development of bridge design, research and construction technology in my country, the bridge construction industry is becoming more and more prosperous. At present, there are many devices suitable for longitudinal vibration reduction of bridges in China, but there are few dampers that are good at solving the problem of lateral vibration reduction of bridges. Moreover, among the existing lateral vibration reduction dampers, energy-dissipating dampers have been favored by structural engineers for their advantages such as stable hysteresis energy dissipation performance, diverse forms and economical costs. In particular, the emergence of soft steel dampers has set off a research boom on energy-dissipating dampers in structural engineering.

[0003] In the related art, the energy dissipation damper currently used in the bridge has the problem of not being able to play a significant role in energy dissipation and vibration reduction in response to the lateral deformation of the bridge when the lateral deformation is small. Summary of the invention

[0004] The present application provides an energy dissipation damper and a bridge, which can design the distance between the first mounting point and the second mounting point of the rocker arm to be smaller than the distance between the second mounting point and the third mounting point, thereby amplifying the energy dissipation and vibration reduction, and improving the problem that the bridge cannot exert a significant energy dissipation and vibration reduction effect when it is laterally deformed.

[0005] In a first aspect, an embodiment of the present application provides an energy dissipation damper, comprising:

[0006] A swing rod, wherein the swing rod is provided with a first mounting point, a second mounting point and a third mounting point in sequence along its length direction, and the distance between the first mounting point and the second mounting point is smaller than the distance between the second mounting point and the third mounting point;

[0007] A first connecting ear plate and a second connecting ear plate, wherein the first connecting ear plate is hinged to the first mounting point, and the second connecting ear plate is hinged to the second mounting point, the first connecting ear plate is used to be fixed to the bridge span structure, and the second connecting ear plate is used to be fixed to the lower structure, and when the first connecting ear plate moves along the transverse bridge direction, the first connecting ear plate drives the swing rod to rotate around the second mounting point;

[0008] A first energy absorbing component is fixed to the third mounting point.

[0009] In combination with the first aspect, in one embodiment, the first connecting ear plate is provided with a vertical channel, a pulley is slidably connected in the vertical channel, and the pulley is rotatably connected to the first mounting point.

[0010] In combination with the first aspect, in one embodiment, the second connecting ear plate is rotatably connected to the second mounting point via a rotating shaft, and the axis of the rotating shaft is extended along the longitudinal bridge direction.

[0011] In combination with the first aspect, in one embodiment, the second connecting ear plate is fixed with a fixing rod, a sphere is fixed to the end of the fixing rod away from the second connecting ear plate, a spherical groove is provided on the side of the rocker arm facing the sphere, and the sphere is assembled in the spherical groove so that the rocker arm can swing along the longitudinal bridge direction and the transverse bridge direction.

[0012] In combination with the first aspect, in one embodiment, the bottom end of the first energy absorbing component is movably connected to a second energy absorbing component.

[0013] In combination with the first aspect, in one embodiment, the outer contour of the first energy-consuming component is C-shaped, U-shaped, O-shaped or foot-shaped.

[0014] In combination with the first aspect, in one implementation, the material of the first energy-absorbing component includes metal material, rubber damping material, concrete material, polyurethane material or composite damping material.

[0015] In combination with the first aspect, in one embodiment, the rocker arm, the first connecting ear plate, the second connecting ear plate and the first energy-absorbing component form a group of energy-absorbing units, and the number of the energy-absorbing units is two groups. The two groups of energy-absorbing units are spaced apart along the transverse bridge direction, and the second connecting ear plates of the two groups of energy-absorbing units are fixed with connecting platforms, and the connecting platforms are used to be fixed to the lower structure.

[0016] In combination with the first aspect, in one implementation, outer contours of the first energy consuming components of the two groups of energy consuming units are different.

[0017] In a second aspect, an embodiment of the present application provides a bridge, which includes:

[0018] A swing rod, wherein the swing rod is provided with a first mounting point, a second mounting point and a third mounting point in sequence along its length direction, and the distance between the first mounting point and the second mounting point is smaller than the distance between the second mounting point and the third mounting point;

[0019] a first connecting ear plate and a second connecting ear plate, wherein the first connecting ear plate is hinged to the first mounting point, and the second connecting ear plate is hinged to the second mounting point, and when the first connecting ear plate moves along the transverse bridge direction, the first connecting ear plate drives the swing rod to rotate around the second mounting point;

[0020] a first energy absorbing component, wherein the first energy absorbing component is fixed to the third mounting point;

[0021] A bridge span structure, wherein the bridge span structure is fixed to the first connecting ear plate;

[0022] A lower structure is fixed to the second connecting ear plate.

[0023] The beneficial effects brought by the technical solution provided in the embodiments of the present application include:

[0024] Under the action of earthquake, vehicle load, wind load or other external load, the bridge span structure will undergo relative displacement movement with the lower structure along the transverse direction of the bridge. The movement of the bridge span structure drives the movement of the first connecting ear plate, and the first connecting ear plate drives the movement of the first mounting point of the rocker arm. Under the limiting action of the second mounting point, the second connecting ear plate and the lower structure, the rocker arm produces rotational swing around the second mounting point; under the action of rotational swing, the third mounting point of the rocker arm produces movement in the opposite direction to the first mounting point of the rocker arm. Because the distance between the first mounting point and the second mounting point is smaller than the distance between the second mounting point and the third mounting point, the principle of forceful lever is realized, thereby amplifying the energy consumption and vibration reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 It is a front view structural schematic diagram of the energy dissipation damper;

[0027] Figure 2 is a schematic side view of the structure of the second connecting ear plate connected to the swing rod;

[0028] Figure 3 It is a schematic diagram of the front view structure of the bridge with energy dissipation damper installed;

[0029] Figure 4 for Figure 3 Schematic diagram of the three-dimensional structure.

[0030] In the figure: 1. rocker arm; 11. first mounting point; 12. second mounting point; 13. third mounting point; 14. spherical groove; 2. first connecting ear plate; 21. vertical channel; 3. second connecting ear plate; 31. fixing rod; 32. sphere; 4. first energy absorbing component; 5. second energy absorbing component; 6. energy absorbing unit; 7. connecting platform; 8. bridge span structure; 9. lower structure. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] The present application provides an energy dissipation damper and a bridge, which can design the distance between the first mounting point and the second mounting point of the rocker arm to be smaller than the distance between the second mounting point and the third mounting point, thereby amplifying the energy dissipation and vibration reduction, and improving the problem that the bridge cannot exert a significant energy dissipation and vibration reduction effect when it is laterally deformed.

[0033] like Figure 1 and Figure 3 As shown, an embodiment of the present application provides an energy dissipation damper, which may include: a rocker arm 1, wherein the rocker arm 1 is provided with a first mounting point 11, a second mounting point 12 and a third mounting point 13 in sequence along its length direction, and the distance between the first mounting point 11 and the second mounting point 12 is smaller than the distance between the second mounting point 12 and the third mounting point 13; a first connecting ear plate 2 and a second connecting ear plate 3, wherein the first connecting ear plate 2 is hinged at the first mounting point 11, and the second connecting ear plate 3 is hinged at the second mounting point 12, the first connecting ear plate 2 is used to be fixed to the bridge span structure 8, and the second connecting ear plate 3 is used to be fixed to the lower structure 9, and when the first connecting ear plate 2 moves along the transverse direction of the bridge, the first connecting ear plate 2 drives the rocker arm 1 to rotate around the second mounting point 12; and a first energy dissipation component 4, wherein the first energy dissipation component 4 is fixed to the third mounting point 13.

[0034] Among them, Figure 1 As shown, the swing rod 1 is provided with three mounting points from top to bottom, namely, the first mounting point 11 is connected to the first connecting ear plate 2, the second mounting point 12 is connected to the second connecting ear plate 3, and the third mounting point 13 is connected to the first energy absorbing member 4. When applied to a bridge, Figure 3 As shown, the first connecting ear plate 2 can be fixed to the bridge span structure 8, and the second connecting ear plate 3 can be fixed to the lower structure 9 to complete the installation of the energy dissipation damper.

[0035] Specifically, under the action of earthquake, vehicle load, wind load or other external load, the bridge span structure 8 will move relative to the lower structure 9 along the transverse direction of the bridge, and the movement of the bridge span structure 8 drives the movement of the first connecting ear plate 2, and the first connecting ear plate 2 drives the movement of the first mounting point 11 of the swing rod 1. Under the limiting action of the second mounting point, the second connecting ear plate 3 and the lower structure 9, the swing rod 1 rotates and swings around the second mounting point 12; under the action of rotation and swing, the third mounting point 13 of the swing rod 1 moves in the opposite direction to the first mounting point 11 of the swing rod 1. Because the distance between the first mounting point 11 and the second mounting point 12 is smaller than the distance between the second mounting point 12 and the third mounting point 13, the principle of effort lever is realized, thereby amplifying the energy dissipation and vibration reduction effect. The energy dissipation and vibration reduction characteristics of the energy dissipation damper depend on the position of the second mounting point 12. The distance between the third mounting point 13 and the second mounting point 12 is the driven distance, the distance between the first mounting point 11 and the second mounting point 12 is the active distance, and the energy dissipation and vibration reduction amplification index of the energy dissipation damper can be the ratio of the driven distance to the active distance. That is, the larger the amplification index, the larger the hysteresis displacement of the energy dissipation damper, the higher the hysteresis energy consumption, and the more significant the energy dissipation and vibration reduction.

[0036] In some embodiments, Figure 1 and Figure 3 As shown, the first connecting ear plate 2 is provided with a vertical channel 21, and a pulley is slidably connected in the vertical channel 21, and the pulley is rotatably connected to the first mounting point 11. When the bridge span structure moves to the left along the horizontal bridge direction, the first connecting ear plate 2 will be driven to move to the left, that is, the distance between the first connecting ear plate 2 and the second connecting ear plate 3 will increase, and the length of the swing rod 1 between the first connecting ear plate 2 and the second connecting ear plate 3 is fixed. At this time, the first mounting point 11 of the swing rod 1 can slide downward in the vertical channel 21 via the pulley, thereby satisfying the change in the distance between the first connecting ear plate 2 and the second connecting ear plate 3.

[0037] In some embodiments, Figure 1 and Figure 3 As shown, the second connecting ear plate 3 is rotatably connected to the second mounting point 12 by a rotating shaft, and the axis of the rotating shaft is arranged to extend along the longitudinal bridge direction. Wherein, by setting the rotating shaft, the swing rod 1 can rotate around the rotating shaft.

[0038] In some embodiments, Figure 2 As shown, the second connecting ear plate 3 is fixed with a fixing rod 31, and a ball 32 is fixed to the end of the fixing rod 31 away from the second connecting ear plate 3. A spherical groove 14 is provided on the side of the swing arm 1 facing the ball 32. The ball 32 is assembled in the spherical groove 14, so that the swing arm 1 can swing along the longitudinal bridge direction and the transverse bridge direction. Among them, by setting the ball 32 and the spherical groove 14, the swing arm 1 can be limited to the second connecting ear plate 3, so that the swing arm 1 can swing not only along the transverse bridge direction, but also along the longitudinal bridge direction. Figure 3 As shown, in the longitudinal direction of the bridge, the relative movement of the bridge span structure 8 drives the first connecting ear plate 2, and the first connecting ear plate 2 drives the swing rod 1 to swing in the longitudinal direction of the bridge around the second mounting point 12 through the limitation of the second connecting ear plate 3 and the swing rod. The upper limb and the lower limb of the first energy dissipation component 4 produce relative hysteresis motion out of the plane, thereby achieving vibration reduction and energy dissipation characteristics.

[0039] In some embodiments, Figure 1 and Figure 3 As shown, the bottom end of the first energy absorbing member 4 is movably connected to the second energy absorbing member 5. When the first energy absorbing member 4 moves in the transverse or longitudinal direction to dissipate energy and reduce vibration, it will drive the second energy absorbing member 5 at its bottom end to swing, so that the energy dissipation and vibration reduction effect of the energy dissipation damper can be further improved through the second energy absorbing member 5.

[0040] In some embodiments, the outer contour of the first energy absorbing member 4 is C-shaped, U-shaped, O-shaped or foot-shaped. Figure 1 and Figure 3 As shown, the outer contour of the first energy-absorbing member 4 may be U-shaped. The foot shape is the outer contour shape from the ankle to the sole of the foot of a human body.

[0041] In some embodiments, the material of the first energy absorbing component 4 includes metal material, rubber damping material, concrete material, polyurethane material or composite damping material.

[0042] In some embodiments, Figure 3 As shown, the swing rod 1, the first connecting ear plate 2, the second connecting ear plate 3 and the first energy absorbing member 4 form a group of energy absorbing units 6, and the number of energy absorbing units 6 is two groups, and the two groups of energy absorbing units 6 are spaced apart along the transverse bridge direction, and the second connecting ear plates 3 of the two groups of energy absorbing units 6 are fixed with connecting platforms 7, and the connecting platforms 7 are used to be fixed to the lower structure 9. Among them, the two groups of energy absorbing units 6 can share one connecting platform 7, and when the energy absorbing damper is installed later, the connecting platform 7 can be installed in advance, so that the energy absorbing damper can be initially fixed, which is convenient for the subsequent installation of the first connecting ear plate 2.

[0043] In some embodiments, the outer contours of the first energy absorbing components 4 of the two energy absorbing units 6 are different. The outer contours of the first energy absorbing components 4 of the two energy absorbing units 6 are different, so that when the energy absorbing damper performs energy absorbing and vibration reduction, the swing frequencies of the two first energy absorbing components 4 can be inconsistent, which can further improve the energy absorbing and vibration reduction effect.

[0044] In some embodiments, Figure 3 and Figure 4As shown, an embodiment of the present application provides a bridge, which may include: a rocker 1, wherein the rocker 1 is provided with a first mounting point 11, a second mounting point 12 and a third mounting point 13 in sequence along its length direction, and the distance between the first mounting point 11 and the second mounting point 12 is smaller than the distance between the second mounting point 12 and the third mounting point 13; a first connecting ear plate 2 and a second connecting ear plate 3, wherein the first connecting ear plate 2 is hinged at the first mounting point 11, and the second connecting ear plate 3 is hinged at the second mounting point 12, and when the first connecting ear plate 2 moves along the transverse direction of the bridge, the first connecting ear plate 2 drives the rocker 1 to rotate around the second mounting point 12; a first energy absorbing component 4, wherein the first energy absorbing component 4 is fixed to the third mounting point 13; a bridge span structure 8, wherein the bridge span structure 8 is fixed to the first connecting ear plate 2; and a lower structure 9, wherein the lower structure 9 is fixed to the second connecting ear plate 3. Among them, the lower structure 9 includes a pedestal body, piers and pier beams. For example, the second connecting ear plate 3 can be fixed on the pedestal body, and two groups of energy-absorbing dampers can be arranged on each pedestal body, and the outer contours of the first energy-absorbing components 4 of the energy-absorbing dampers can be the same or different.

[0045] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0046] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0047] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. An energy dissipation damper, It is characterized in that It includes: A swing rod (1), wherein the swing rod (1) is provided with a first mounting point (11), a second mounting point (12), and a third mounting point (13) in sequence along its length direction, and the distance between the first mounting point (11) and the second mounting point (12) is smaller than the distance between the second mounting point (12) and the third mounting point (13); a first connecting ear plate (2) and a second connecting ear plate (3), wherein the first connecting ear plate (2) is hinged to the first mounting point (11), and the second connecting ear plate (3) is hinged to the second mounting point (12), the first connecting ear plate (2) is used to be fixed to the bridge span structure (8), and the second connecting ear plate (3) is used to be fixed to the lower structure (9), and when the first connecting ear plate (2) moves in the transverse direction of the bridge, the first connecting ear plate (2) drives the swing rod (1) to rotate around the second mounting point (12); A first energy absorbing component (4), wherein the first energy absorbing component (4) is fixed to the third mounting point (13).

2. The energy dissipation damper according to claim 1, It is characterized in that The first connecting ear plate (2) is provided with a vertical channel (21), a pulley is slidably connected in the vertical channel (21), and the pulley is rotationally connected to the first mounting point (11).

3. The energy dissipation damper according to claim 1, It is characterized in that The second connecting ear plate (3) and the second mounting point (12) are rotatably connected via a rotating shaft, and the axis of the rotating shaft is arranged to extend along the longitudinal bridge direction.

4. The energy dissipation damper according to claim 1, It is characterized in that The second connecting ear plate (3) is fixed with a fixing rod (31), and a ball (32) is fixed to one end of the fixing rod (31) away from the second connecting ear plate (3). A spherical groove (14) is provided on the side of the swing arm (1) facing the ball (32), and the ball (32) is assembled in the spherical groove (14), so that the swing arm (1) can swing along the longitudinal bridge direction and the transverse bridge direction.

5. The energy dissipation damper according to claim 1, It is characterized in that The bottom end of the first energy-absorbing component (4) is movably connected to a second energy-absorbing component (5).

6. The energy dissipation damper according to claim 1, It is characterized in that The outer contour of the first energy-absorbing component (4) is C-shaped, U-shaped, O-shaped or foot-shaped.

7. The energy dissipation damper according to claim 1, It is characterized in that The material of the first energy-absorbing component (4) includes metal material, rubber damping material, concrete material, polyurethane material or composite damping material.

8. The energy dissipation damper according to claim 1, It is characterized in that The rocker (1), the first connecting ear plate (2), the second connecting ear plate (3) and the first energy absorbing component (4) form a group of energy absorbing units (6). The number of the energy absorbing units (6) is two groups. The two groups of energy absorbing units (6) are spaced apart along the transverse direction of the bridge. The second connecting ear plates (3) of the two groups of energy absorbing units (6) are both fixed with connecting platforms (7), and the connecting platforms (7) are used to be fixed to the lower structure (9).

9. The energy dissipation damper according to claim 8, It is characterized in that The outer contours of the first energy consuming components (4) of the two groups of energy consuming units (6) are different.

10. A bridge, It is characterized in that It includes: A swing rod (1), wherein the swing rod (1) is provided with a first mounting point (11), a second mounting point (12), and a third mounting point (13) in sequence along its length direction, and the distance between the first mounting point (11) and the second mounting point (12) is smaller than the distance between the second mounting point (12) and the third mounting point (13); a first connecting ear plate (2) and a second connecting ear plate (3), wherein the first connecting ear plate (2) is hinged to the first mounting point (11), and the second connecting ear plate (3) is hinged to the second mounting point (12), and when the first connecting ear plate (2) moves along the transverse bridge direction, the first connecting ear plate (2) drives the swing rod (1) to rotate around the second mounting point (12); A first energy absorbing component (4), wherein the first energy absorbing component (4) is fixed to the third mounting point (13); A bridge span structure (8), wherein the bridge span structure (8) is fixed to the first connecting ear plate (2); A lower structure (9), wherein the lower structure (9) is fixed to the second connecting ear plate (3).

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