CN213709155U - Horizontal multidimensional response amplification type shearing energy dissipation and damping device - Google Patents
Horizontal multidimensional response amplification type shearing energy dissipation and damping device Download PDFInfo
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- CN213709155U CN213709155U CN202022212941.5U CN202022212941U CN213709155U CN 213709155 U CN213709155 U CN 213709155U CN 202022212941 U CN202022212941 U CN 202022212941U CN 213709155 U CN213709155 U CN 213709155U
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- 238000013016 damping Methods 0.000 title claims abstract description 30
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- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 50
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Abstract
The utility model provides a horizontal multidimensional response amplification type shearing energy dissipation damping device mainly is applied to bridge structures's energy dissipation shock attenuation, belongs to structural vibration control technical field. The device comprises a top plate, a bottom plate, a hollow round table, a high-strength bolt, a spherical ring, a gourd-shaped rotating sphere, a lever arm, a spherical iron plate, a viscoelastic energy dissipation material, a spring bolt and an upper structure. The device can still consume energy by utilizing the shearing hysteresis energy consumption characteristic of the viscoelastic material in the main deformation direction under the random multidirectional earthquake action with unpredictable direction through the omnidirectional rotation capability of the gourd-shaped rotating ball, thereby providing multidirectional effective damping. Meanwhile, the device amplifies the relative displacement of the bridge structure pier beam through the lever spherical hinge rotating mechanism, and ensures that the device can play a good energy consumption role under the action of large, medium and small earthquakes. The utility model discloses the structure is clear and definite, the suitability is strong, is a safety, efficient power consumption damping device.
Description
Technical Field
The utility model relates to a be applied to civil engineering's horizontal multidimensional response amplification type shearing energy dissipation damping device belongs to structural vibration control technical field, in particular to bridge construction beam bottom energy dissipation damping component's horizontal multidimensional response amplification type shearing energy dissipation damping device.
Background
A plurality of earthquakes occurring on the earth generate great harm to traffic infrastructure, for example, North Ridge earthquake in the United states in 1994, Japanese Sakashen earthquake in 1995, Wenchuan earthquake in 2008 and Japanese 3.11 earthquake in 2011, one common characteristic of earthquake damage of a plurality of times is that a bridge structure of an earthquake area is seriously damaged, external traffic of the earthquake area is cut off, an island phenomenon is caused, great difficulty is caused to disaster relief work after the earthquake, and economic loss of secondary disasters is particularly great. Therefore, improvement of the seismic performance of bridges has been the focus of attention of researchers.
The damping design is a simple, convenient, economic and efficient engineering anti-seismic means, and the aim of damping is fulfilled by dissipating seismic energy through the energy dissipation damping device. In the last two decades, energy dissipation and shock absorption technologies have attracted extensive attention worldwide, and great progress is made in theoretical research and engineering application, but most of domestic and foreign scholars research energy dissipation and shock absorption devices in a single direction, and due to the randomness of seismic action, the relative deformation direction between structural members has uncertainty under the action of earthquake, so that further research and development of multidirectional effective energy dissipation and shock absorption devices are of practical significance.
The energy dissipation and shock absorption devices are divided into the following two types according to the working principle: hysteresis attenuation type (also called displacement correlation type): soft steel damper, lead damper, friction damper, SMA damper, etc., mainly utilize and deform the hysteresis to consume the energy; viscosity attenuation type (also referred to as velocity-dependent type): viscoelastic dampers, viscous dampers, and the like mainly utilize the resistance action of a viscous body with respect to velocity. However, the displacement or velocity-dependent energy-consuming and shock-absorbing device has the same relative velocity and displacement with the connection point when in operation, and if the relative velocity and the displacement are relatively small, the energy-consuming effect of the device is very limited, and the preset functional target is difficult to achieve.
Therefore, how to provide an energy-consuming vibration damping device with multi-directional effectiveness and fully exerting energy-consuming function is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a level multidimension response amplification type cuts energy consumption damping device, its purpose is realized providing multidirectional effective damping's ability under the effect of actual random earthquake, can enlarge the relative less deformation that produces between the component that connects under the external load effect simultaneously as required, utilizes the shear deformation of viscoelastic material (like rubber etc.) to realize high-efficient power consumption.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a horizontal multidimensional response amplification type shearing energy dissipation and shock absorption device comprises a top plate 1, a bottom plate 2, an upper hollow circular truncated cone 3, a high-strength bolt A4, a spherical ring A5, a spherical ring B6, a gourd-shaped rotating sphere 7, a high-strength bolt B8, an upper lever arm 9, a spherical iron plate A10, an upper viscoelastic shearing energy dissipation material 11, a spherical ring C12, a spherical ring D13, a lower lever arm 14, a lower hollow circular truncated cone 15, a spherical iron plate B16, a lower viscoelastic shearing energy dissipation material 17, a spring bolt 18 and an upper structure 19.
The top plate 1 is connected with the upper hollow round table 3 through eight high-strength bolts A4, and the lower end of the upper hollow round table 3 is connected with the spherical ring A5 through welding; a gourd-shaped rotating sphere 7 is arranged between the spherical ring A5 and the spherical ring B6, and the two are locked and fixed through eight high-strength bolts B8; the gourd-shaped rotating sphere 7 is provided with an upper bolt hole cavity and a lower bolt hole cavity, and the gourd-shaped rotating sphere 7 is connected with the lower end of the upper lever arm 9 through the upper bolt hole cavity; the upper end of the upper lever arm 9 is fixedly connected with a spherical iron plate A10 through a bolt hole cavity on the spherical iron plate A10, and the spherical iron plate A10 is fixedly connected with the upper viscoelastic shearing energy-consuming material 11 through an adhesive; the concave spherical part of the inner surface of the top plate 1 is provided with a spherical groove, and the upper viscoelastic shearing energy consumption material 11 is embedded into the spherical groove; the lower part of the gourd-shaped rotating sphere 7 is arranged between the spherical ring C12 and the spherical ring D13 and is connected with the upper end of the lower lever arm 14 through a lower bolt hole cavity; the spherical ring C12 and the spherical ring D13 are locked and fixed through eight high-strength bolts B8, and meanwhile, the spherical ring D13 is connected with the lower hollow round table 15 in a welding mode; the lower end of the lower lever arm 14 is connected with a spherical iron plate B16 through a bolt hole cavity, and the spherical iron plate B16 is fixedly connected with the lower viscoelastic shearing energy-consuming material 17 through an adhesive; the concave spherical part of the inner surface of the bottom plate 2 is provided with a spherical groove, the lower viscoelastic shearing energy-consuming material 17 is embedded into the spherical groove, and the bottom plate 2 is connected with the lower hollow round table 15 through eight high-strength bolts A4;
the spherical ring B6 is formed by splicing a left spherical ring B6 and a right spherical ring B6, and the spherical ring C12 is formed by splicing a left spherical ring C12 and a right spherical ring C12; the spherical ring A5 and the spherical ring D13 are made of the same material, have the same shape and have the same size, and the spherical ring B6 and the spherical ring C12 are made of the same material, have the same shape and have the same size; both ends of the upper lever arm 9 and the lower lever arm 14 are provided with threads; the top plate 1 is connected with an upper structure 19 through four spring bolts 18, the upper structure 19 is fixedly connected with a bridge deck, and the bottom plate 2 is connected with a bridge pier or a bridge abutment of a bridge structure through four high-strength bolts.
When the building structure drives the top plate 1 to do horizontal motion, the displacement response is amplified through a lever spherical hinge rotating mechanism of the device and is transmitted to the upper end of the upper lever arm 9 and the lower end of the lower lever arm 14, the connected viscoelastic energy dissipation materials are respectively driven to deform, and in the reciprocating dislocation process, additional rigidity and damping are provided for the structure by means of the shear hysteresis energy dissipation characteristic of the viscoelastic materials, so that the dynamic response of the structure is reduced, and the purpose of shock absorption is achieved.
The lever spherical hinge rotating mechanism consisting of the lever and the double spherical hinges not only amplifies the displacement response by b/a times and transmits the amplified displacement response to the upper end of the upper lever arm 9, but also amplifies the displacement response by c/a times and transmits the amplified displacement response to the lower end of the lower lever arm 14, so that the relative displacement between shearing energy-consuming materials is increased, and the energy-consuming capacity of the damper is improved; wherein a is the distance from the lower spherical center to the upper spherical center of the gourd-shaped rotating sphere 7; b is the distance from the center of the lower part of the gourd-shaped rotating sphere 7 to the upper end of the upper lever arm 9; c is the distance from the lower center of the gourd shaped rotating sphere 7 to the lower end of the lower lever arm 14.
The utility model discloses following beneficial effect has for prior art:
1. the utility model discloses can provide multidirectional effective damping, adapt to the power consumption requirement of equidirectional earthquake effect. The utility model discloses a "two round platform types" structure system has rotational symmetry for the device is the same in each direction mechanical properties in the plane, has each direction power consumption ability promptly, has realized providing the functional target of multidimension effective damping under random, the uncertain seismic action of direction.
2. The utility model discloses possess the response and amplify the technique, utilize lever principle to amplify bridge construction mound roof beam relative displacement, and then make the response such as displacement, speed of series connection power consumption material amplify, guaranteed to play good power consumption ability under the effect of medium and small shake; meanwhile, under the action of large shock, the action of the energy consumption material is amplified, so that the energy consumption effect is increased, the number of dampers can be reduced, the engineering cost is reduced, and better economic benefit is obtained.
3. The utility model discloses an energy consumption magnification can adjust according to structural component's actual conditions, through changing lever power arm ratio adjustment energy consumption magnification, reaches the purpose of adjusting the power consumption effect.
4. The utility model discloses the hysteresis curve of used viscoelastic shearing energy consumption material is level and smooth ellipse, possesses good space deformability and stabilizes the energy consumption ability to the accessible changes its shearing area and conveniently changes the damping parameter.
5. The utility model discloses a "two round platform types" structure system stability good, have better anti ability of sliding, antidumping.
6. The utility model discloses the structure is clear and definite, safe and reliable, the suitability is strong, convenient, the batch production of being convenient for of construction of drawing materials, through reasonable mechanical design, possess efficient power consumption ability and structural performance, have wide application prospect and promote market.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a horizontal multi-dimensional response amplification type shearing energy dissipation and damping device provided in an embodiment of the present invention;
fig. 2 is a sectional view of a section a-a of a horizontal multidimensional response amplification type shearing energy dissipation and damping device provided by an embodiment of the present invention;
fig. 3 is a cross-sectional view of a horizontal multidimensional response amplification type shearing energy dissipation damping device, taken along the line B-B of the embodiment of the present invention;
fig. 4 is a schematic diagram illustrating deformation of a horizontal multidimensional response amplification type shearing energy dissipation damping device according to an embodiment of the present invention;
FIG. 5 is a schematic view of an installation position of the horizontal multidimensional response amplification type shearing energy dissipation damping device applied to a bridge structure;
fig. 6 is another schematic view of the installation position of the horizontal multidimensional response amplification type shearing energy dissipation damping device applied to the bridge structure.
In the figure: 1, a top plate; 2, a bottom plate; 3, arranging a hollow round table; 4, high-strength bolts A; 5, spherical ring A; 6 spherical rings B, 6-1 left spherical ring B, 6-2 right spherical ring B; 7, a gourd-shaped rotating sphere, an upper bolt hole cavity 7-1 and a lower bolt hole cavity 7-2; 8, a high-strength bolt B; 9 an upper lever arm; 10 spherical iron plate A and bolt hole cavity 10-1; 11, viscoelastic shearing energy-consuming material; 12 spherical rings C, 12-1 left spherical ring C, 12-2 right spherical ring C; 13 spherical ring D; 14 a lower lever arm; 15 lower hollow round table; 16 spherical iron plates B; a viscoelastic shearing energy-consuming material under 17 deg.C; 18 spring bolts; 19 upper structure.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The direction is described with the top plate 1 side being the upper side and the bottom plate 2 side being the lower side.
As shown in fig. 1 to 3, an embodiment of a horizontal multidimensional response amplification type shearing energy dissipation and damping device provided by the present invention includes a top plate 1 and a bottom plate 2 which are oppositely disposed, wherein the middle portions of the inner surfaces of the top plate 1 and the bottom plate 2 are concave spherical surfaces; the top plate 1 is connected with the upper hollow round table 3 through eight high-strength bolts A4; the lower end of the upper hollow round table 3 is connected with a spherical ring A5 through welding; a gourd-shaped rotating sphere 7 is arranged between the spherical ring A5 and the spherical ring B6, and the spherical ring A5 and the spherical ring B6 are locked and fixed by eight high-strength bolts B8; the gourd-shaped rotating sphere 7 is provided with an upper bolt hole cavity 7-1 and a lower bolt hole cavity 7-2, and the gourd-shaped rotating sphere 7 is connected with the lower end of an upper lever arm 9 through the upper bolt hole cavity 7-1; both ends of an upper lever arm 9 are provided with threads, the lower end of the upper lever arm 9 is rotatably inserted into an upper bolt hole cavity 7-1 to be locked and fixed, the upper end of the upper lever arm 9 is fixedly connected with a spherical iron plate A10 through a bolt hole cavity 10-1 on a spherical iron plate A10, and a spherical iron plate A10 is fixedly connected with an upper viscoelastic shearing energy-consuming material 11 through an adhesive; the concave spherical part of the inner surface of the top plate 1 is provided with a spherical groove 1-1, and the upper viscoelastic shearing energy dissipation material 11 is embedded into the spherical groove 1-1. The lower part of the gourd-shaped rotating sphere 7 is arranged between the spherical ring C12 and the spherical ring D13, and the gourd-shaped rotating sphere 7 is connected with the upper end of the lower lever arm 14 through the lower bolt hole cavity 7-2; the spherical ring C12 and the spherical ring D13 are locked and fixed through eight high-strength bolts B8, and meanwhile, the spherical ring D13 is connected with the lower hollow circular table 15 in a welding mode; both ends of the lower lever arm 14 are provided with threads, the upper end of the lower lever arm 14 is rotatably inserted into the lower bolt hole cavity 7-2 to be locked and fixed, the lower end of the lower lever arm 14 is fixedly connected with the spherical iron plate B16 through the bolt hole cavity 16-1 on the spherical iron plate B16, and the lower surface of the spherical iron plate B16 is fixedly connected with the viscoelastic shearing energy-consuming material 17 through an adhesive; the concave spherical part of the inner surface of the bottom plate 2 is provided with a spherical groove 2-1, the lower viscoelastic shearing energy-consuming material 17 is embedded into the spherical groove 2-1, and the bottom plate 2 is connected with the lower hollow round table 15 through eight high-strength bolts A4.
The spherical ring B6 is formed by splicing a left spherical ring B6-1 and a right spherical ring B6-2, and the spherical ring C12 is formed by splicing a left spherical ring C12-1 and a right spherical ring C12-2; the spherical ring A5 and the spherical ring D13 are made of the same material, have the same shape and have the same size, and the spherical ring B6 and the spherical ring C12 are made of the same material, have the same shape and have the same size; the top plate 1 is connected with an upper structure 19 through four spring bolts 18, the upper structure 19 is fixedly connected with a bridge deck, and the bottom plate 2 is connected with a bridge pier or a bridge abutment of a bridge structure through four high-strength bolts; the upper viscoelastic shearing energy-consuming material 11 and the lower viscoelastic shearing energy-consuming material 17 are both of block spherical structures; the top plate 1, the bottom plate 2, the upper hollow circular truncated cone 3, the spherical ring A5, the spherical ring B6, the gourd-shaped rotating sphere 7, the upper lever arm 9, the spherical iron plate A10, the spherical ring C12, the spherical ring D13, the lower lever arm 14, the lower hollow circular truncated cone 15, the spherical iron plate B16 and the upper structure 19 are all cast by carbon structural steel with high strength.
As shown in FIG. 4, the utility model discloses during the use, under the effect of random earthquake, this damping device roof 1 and bottom plate 2 horizontal dislocation take place, when roof 1 and bottom plate 2 take place relative displacement and be x, the corner of production is theta, lever ball pivot slewing mechanism not only transmits the last end of upper lever arm 9 after amplifying b/a times displacement response, and transmit the lower end of lower lever arm 14 after amplifying c/a times displacement response, the last end of upper lever arm 9 and the lower end of lower lever arm 14 drive the viscoelastic material who bonds mutually respectively and produce the deformation, reciprocal dislocation in-process, rely on viscoelastic material's shear hysteresis power consumption characteristic, provide additional rigidity and damping for the structure, reduce the dynamic reaction of structure like this, with the mesh of realizing the shock attenuation. Wherein, the distance from the lower center of the gourd-shaped rotating sphere 7 to the upper center of the gourd-shaped rotating sphere is a, the distance from the lower center of the gourd-shaped rotating sphere to the upper end of the upper lever arm 9 is b, and the distance from the lower center of the gourd-shaped rotating sphere to the lower end of the lower lever arm 14 is c.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A horizontal multidimensional response amplification type shearing energy dissipation and damping device is characterized by comprising a top plate (1), a bottom plate (2), an upper hollow circular truncated cone (3), a spherical ring A (5), a spherical ring B (6), a gourd-shaped rotating sphere (7), an upper lever arm (9), a spherical iron plate A (10), an upper viscoelastic shearing energy dissipation material (11), a spherical ring C (12), a spherical ring D (13), a lower lever arm (14), a lower hollow circular truncated cone (15), a spherical iron plate B (16), a lower viscoelastic shearing energy dissipation material (17), a spring bolt (18) and an upper structure (19);
the top plate (1) is connected with the upper end of the upper hollow round table (3) through a high-strength bolt, and the lower end of the upper hollow round table (3) is welded with the spherical ring A (5); an upper sphere of a gourd-shaped rotating sphere (7) is arranged between the spherical ring A (5) and the spherical ring B (6) and is locked and fixed by high-strength bolts; the gourd-shaped rotating sphere (7) is provided with an upper bolt hole cavity and a lower bolt hole cavity, and the gourd-shaped rotating sphere (7) is connected with the lower end of the upper lever arm (9) through the upper bolt hole cavity; the upper end of the upper lever arm (9) is connected with a spherical iron plate A (10) through a bolt hole cavity on the spherical iron plate A (10), and the spherical iron plate A (10) is fixedly connected with an upper viscoelastic shearing energy-consuming material (11) through an adhesive; the concave spherical part of the inner surface of the top plate (1) is provided with a spherical groove, and the upper viscoelastic shearing energy-consuming material (11) is embedded into the spherical groove; the bottom plate (2) is connected with the lower hollow round table (15) through a high-strength bolt, and the lower hollow round table (15) is welded with the spherical ring D (13); a lower sphere of a gourd-shaped rotating sphere (7) is arranged between the spherical ring C (12) and the spherical ring D (13), and the three are locked and fixed by high-strength bolts; the gourd-shaped rotating sphere (7) is connected with the upper end of the lower lever arm (14) through the lower bolt hole cavity; the lower end of the lower lever arm (14) is connected with a spherical iron plate B (16) through a bolt hole cavity, and the spherical iron plate B (16) is fixedly connected with a lower viscoelastic shearing energy-consuming material (17) through an adhesive; the concave spherical part of the inner surface of the bottom plate (2) is provided with a spherical groove, and the lower viscoelastic shearing energy-consuming material (17) is embedded into the spherical groove.
2. The horizontal multi-dimensional response amplification type shear energy dissipation device as claimed in claim 1, wherein the spherical ring B (6) is formed by splicing a left spherical ring and a right spherical ring, and the spherical ring C (12) is formed by splicing a left spherical ring and a right spherical ring; the spherical ring A (5) and the spherical ring D (13) are made of the same material, have the same shape and have the same size, and the spherical ring B (6) and the spherical ring C (12) are made of the same material, have the same shape and have the same size.
3. The horizontal multi-dimensional response amplified shear energy dissipating shock absorbing device according to claim 1 or 2, wherein both ends of the upper lever arm (9) and the lower lever arm (14) are provided with threads; the top plate (1) is connected with an upper structure (19) through a spring bolt (18), the upper structure (19) is fixedly connected with a bridge deck, and the bottom plate (2) is connected with a pier or an abutment of a bridge structure through a high-strength bolt.
4. The horizontal multidimensional response amplification type shear energy dissipation damping device according to claim 1 or 2, wherein a lever spherical hinge rotating mechanism consisting of a lever and a double spherical hinge not only amplifies a displacement response by b/a times and transmits the amplified displacement response to the upper end of the upper lever arm (9), but also amplifies the displacement response by c/a times and transmits the amplified displacement response to the lower end of the lower lever arm (14), so that the relative displacement between shear energy dissipation materials is increased, and the energy dissipation capacity of the damper is improved; wherein a is the distance from the lower spherical center to the upper spherical center of the gourd-shaped rotating sphere (7); b is the distance from the center of the lower part of the gourd-shaped rotating sphere (7) to the upper end of the upper lever arm (9); c is the distance from the lower sphere center of the gourd-shaped rotating sphere (7) to the lower end of the lower lever arm (14).
5. The horizontal multidimensional response amplification type shear energy dissipation damping device according to claim 3, wherein a lever spherical hinge rotating mechanism consisting of a lever and a double spherical hinge not only amplifies a displacement response by b/a times and transmits the amplified displacement response to the upper end of the upper lever arm (9), but also amplifies the displacement response by c/a times and transmits the amplified displacement response to the lower end of the lower lever arm (14), so that the relative displacement between shear energy dissipation materials is increased, and the energy dissipation capacity of the damper is improved; wherein a is the distance from the lower spherical center to the upper spherical center of the gourd-shaped rotating sphere (7); b is the distance from the center of the lower part of the gourd-shaped rotating sphere (7) to the upper end of the upper lever arm (9); c is the distance from the lower sphere center of the gourd-shaped rotating sphere (7) to the lower end of the lower lever arm (14).
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| CN202022212941.5U CN213709155U (en) | 2020-10-07 | 2020-10-07 | Horizontal multidimensional response amplification type shearing energy dissipation and damping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112176854A (en) * | 2020-10-07 | 2021-01-05 | 大连理工大学 | Horizontal multidimensional response amplification type shearing energy dissipation and damping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112176854A (en) * | 2020-10-07 | 2021-01-05 | 大连理工大学 | Horizontal multidimensional response amplification type shearing energy dissipation and damping device |
| CN112176854B (en) * | 2020-10-07 | 2024-06-14 | 大连理工大学 | Horizontal multidimensional response amplifying type shearing energy consumption damping device |
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