CN111456219A - Damping corridor of bent lever type double-tower high-rise building - Google Patents
Damping corridor of bent lever type double-tower high-rise building Download PDFInfo
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- CN111456219A CN111456219A CN202010228595.1A CN202010228595A CN111456219A CN 111456219 A CN111456219 A CN 111456219A CN 202010228595 A CN202010228595 A CN 202010228595A CN 111456219 A CN111456219 A CN 111456219A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0046—Loggias
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
Abstract
The invention relates to the field of building structure vibration control, and discloses a curved bar type damping corridor for a double-tower high-rise building, which comprises a steel plate, a lever mechanism, a limiting mechanism and a damper; the steel sheet is located the bottom at the vestibule, the one end and the vestibule fixed connection of steel sheet, the other end of steel sheet extends to the tower building of vestibule one side, the attenuator is installed on the floor of the tower building of vestibule one side, leverage includes first curved bar, second curved bar and branch, the one end of branch is fixed in the tower building of vestibule one side, the other end and the first curved bar of branch are articulated, the one end of first curved bar is articulated with the other end of steel sheet, the other end and the second curved bar of first curved bar are articulated, the other end of second curved bar passes through stop gear and is connected with the attenuator. The beneficial effects are that: the damping corridor can play the effects of energy consumption and vibration reduction, and the safety and the comfort level of tower buildings on the two sides of the corridor under the action of dynamic loads such as strong wind and the like are improved.
Description
Technical Field
The invention relates to the field of vibration control of building structures, in particular to a damping corridor of a curved rod type double-tower high-rise building.
Background
The corridor is originally a form of ancient Chinese construction, namely a connecting structure between buildings, and is provided with a roof and no enclosure structure. The corridor is arranged on the one hand, and can facilitate the connection between the two towers due to the requirement on the building function. Meanwhile, the integrated body has good lighting effect and wide visual field, and can be used as a sightseeing corridor or a leisure coffee hall and the like. According to the definition of modern architecture, a corridor is one of complex high-rise building structure systems, and generally means that two or more high-rise buildings are connected with each other by overhead connectors so as to meet the requirements of building shape and use functions. The connecting body is a corridor. The span is several meters long and also several tens of meters long. The vestibules are arranged one by one or a plurality of in the vertical direction of the building. On the other hand, due to the arrangement of the corridor, the building has more characteristics in appearance, and a more harmonious building atmosphere can be created.
Galleries are typically provided between high-rise towers, connecting adjacent buildings. In practice, however, the corridor is often used only for connection, i.e. for traffic purposes. The vestibule generally has one end at least and tower be sliding connection, when meetting wind-induced vibration and environmental vibration, the vestibule can swing together with the tower of both sides, reduces the security and the travelling comfort of vestibule.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a curved rod type damping corridor for a double-tower high-rise building, which is reasonable in structure and can reduce the vibration of a tower of a building structure.
The purpose of the invention is realized by the following technical scheme: a damping corridor of a curved rod type double-tower high-rise building is characterized in that two ends of the corridor are respectively and semi-rigidly connected with tower floors on two sides, and the damping corridor comprises a steel plate, a lever mechanism, a limiting mechanism and a damper; the steel sheet is located the bottom at the vestibule, the one end and the vestibule fixed connection of steel sheet, the other end of steel sheet extends to the tower building of vestibule one side, the attenuator is installed on the floor of the tower building of vestibule one side, leverage includes first curved bar, second curved bar and branch, the one end of branch is fixed in the tower building of vestibule one side, the other end and the first curved bar of branch are articulated, the one end of first curved bar is articulated with the other end of steel sheet, the other end and the second curved bar of first curved bar are articulated, the other end of second curved bar passes through stop gear and is connected with the attenuator.
Further, stop gear includes stopper and slider, stopper fixed mounting is on the floor of the tower of vestibule one side, the slider slides and sets up in the stopper, the other end and the slider of second curved bar are articulated, the slider is connected with the attenuator.
Further, the cross-section of stopper is the rectangle, the inside of stopper has spacing space, be provided with the slide rail in the spacing space, the slider is connected with the slide rail, the up end of stopper is opened there is the opening with spacing space intercommunication, open-ended width is less than the slider, the other end of second curved bar is articulated with the slider after passing the opening.
Further, the device also comprises a sliding mechanism; the sliding mechanism is arranged in a tower on one side of the corridor, and the lower end face of the steel plate is connected with the upper end face of the sliding mechanism in a sliding mode.
Further, the sliding mechanism comprises a base and a plurality of rolling pieces; the rolling device comprises a base, a steel plate and a plurality of rolling pieces, wherein the upper end face of the base is provided with a plurality of grooves corresponding to the rolling pieces, the rolling pieces are arranged in the grooves and protrude out of the upper end face of the base, and the lower end face of the steel plate is in contact with the rolling pieces.
Further, the rolling part comprises a roller and a rotating shaft, and the roller is installed in the groove through the rotating shaft and protrudes out of the upper end face of the base.
Furthermore, the first curved bar is provided with a fulcrum, the fulcrum is arranged close to one end of the first curved bar hinged steel plate, and the other end of the support rod is hinged to the fulcrum.
Furthermore, the fulcrum is spherical, the other end of the supporting rod is a hollow ball sleeve, and the other end of the supporting rod is hinged with the fulcrum; one end of the first curved bar is a sphere, the other end of the first curved bar is a hollow ball sleeve, the two ends of the second curved bar are both spheres, one end of the second curved bar is hinged with the other end of the first curved bar, and the other end of the second curved bar is hinged with the limiting mechanism.
Furthermore, the fulcrum is a hollow ball sleeve, the other end of the supporting rod is a ball body, and the other end of the supporting rod is hinged with the fulcrum; the two ends of the first curved bar are both spheres, one end of the second curved bar is a hollow ball sleeve, the other end of the second curved bar is a sphere, one end of the second curved bar is hinged to the other end of the first curved bar, and the other end of the second curved bar is hinged to the limiting mechanism.
Further, still include the rubber layer, be provided with the rubber layer between the bottom of attenuator and the floor.
Furthermore, a plurality of bolt holes which are uniformly distributed are formed in one end of the steel plate, and a spherical groove corresponding to the first curved rod is formed in the other end of the steel plate.
Further, the damper is a corrugated friction damper.
The principle of the invention is as follows: the two towers are generally random and asynchronous when vibrating, that is, the two towers do not move in the same direction at the same time in order, so that the two towers must be displaced relatively. The connecting mode of vestibule and tower among the prior art does not basically have damped effect, and the relative displacement between two tower and the vestibule takes place and provides the possibility for reforming the vestibule into damping device, installs damping power consumption device on the vestibule itself promptly, and the relative displacement between the make full use of tower consumes energy, reduces the lateral vibration of tower.
Compared with the prior art, the invention has the following advantages:
1. the device utilizes a steel plate and a lever mechanism which are moved by a transmission corridor to locally amplify relative displacement generated by wind-induced vibration or environmental vibration of the double towers, and the relative displacement is transmitted to the damper through a limiting mechanism to consume energy. The damping effect of the corridor between the double towers is fully utilized for energy consumption, and the amplitude of tower buildings on two sides of the corridor is reduced.
2. The device has the advantages that the limiting mechanism is arranged, and the sliding block can only move along the horizontal direction by combining the limiting block and the sliding block, so that the curve motion of the first curved rod is converted into the linear motion of the sliding block, and the energy consumption of the damper is facilitated; still be provided with slide mechanism among this device, slide mechanism installs in the wall body of tower, can reduce the frictional force between steel sheet and the tower, makes the transmission displacement more quick accurate.
3. In the device, the first curved bar and the steel plate, the second curved bar and the support bar are hinged in a spherical manner, so that the first curved bar and the second curved bar can not be influenced when relative displacement in different directions occurs between a tower and a corridor, and the sliding block can keep linear reciprocating sliding on a horizontal plane; the damper in the device is a corrugated friction damper, and the effect of friction energy dissipation and vibration reduction can be effectively improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a damping corridor of a curved-bar type double tower high-rise building according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view showing a spacing mechanism in embodiment 1 according to the present invention;
fig. 3 is a schematic structural view showing a sliding mechanism in embodiment 1 according to the present invention;
FIG. 4 is a schematic view showing the structure of a first curved lever according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural view showing a strut hinge-jointed to a first curved bar according to embodiment 1 of the present invention;
FIG. 6 is a schematic view showing the structure of a second curved bar in embodiment 1 according to the present invention;
fig. 7 is a schematic structural view showing the first curved bar hinged to the second curved bar in embodiment 1 according to the present invention;
FIG. 8 is a schematic view showing the structure of a steel sheet according to example 1 of the present invention;
fig. 9 is a schematic structural view showing a sliding mechanism in embodiment 2 according to the present invention;
FIG. 10 shows an exploded view of FIG. 9;
in the figure, 1 is a corridor; 101 is a corridor floor slab; 2 is a tower; 3 is a steel plate; 4 is a damper; 5 is a first crank; 6 is a second crank; 7 is a supporting rod; 8 is a limit mechanism; 9 is a limiting block; 10 is a slide block; 11 is an opening; 12 is a sliding mechanism; 13 is a base; 14 is a groove; 15 is a ball; 16 is a roller; 17 is a rotating shaft; 18 is a fulcrum; 19 is a bolt hole; 20 is a spherical groove; 21 is a rubber layer; 22 is a hollow ball sleeve.
Detailed Description
The invention is further illustrated by the following figures and examples.
Example 1:
as shown in fig. 1, the damping corridor of the curved rod type double-tower high-rise building, both ends of the corridor 1 are semi-rigidly connected with the tower 2 at both sides, and comprises a steel plate 3, a lever mechanism, a limiting mechanism 8 and a damper 4; steel sheet 3 is located the bottom in vestibule 1, the one end and vestibule floor 101 fixed connection of steel sheet 3, the other end of steel sheet 3 extends to tower 2 of vestibule 1 one side, attenuator 4 is installed on the floor of tower 2 of vestibule 1 one side, lever mechanism includes first curved bar 5, second curved bar 6 and branch 7, the one end of branch 7 is fixed in tower 2 of vestibule 1 one side, the other end and the first curved bar 5 of branch 7 are articulated, the one end of first curved bar 5 is articulated with the other end of steel sheet 3, the other end and the second curved bar 6 of first curved bar 5 are articulated, the other end of second curved bar 6 passes through stop gear 8 and is connected with attenuator 4. In the device, a first curved rod 5 and a support rod 7 are matched to form a lever, and when two towers are subjected to relative displacement due to wind-induced vibration or environmental vibration, the small relative displacement generated between the two towers 2 at two sides of a corridor is amplified and transmitted to a damper 4 through a second curved rod 6. Thereby utilizing the energy dissipated in the damper 4. According to the lever principle, the fact that energy consumption is the same as that of the damper 4 directly connected with the steel plate 3 is known, the stress of the damper 4 can be reduced by arranging the lever mechanism, the corridor floor slab 101 is protected, and energy consumption is facilitated. The corridor floor slab 101 is of a steel structure and is convenient to connect with the steel plate 3. When two towers are subjected to relative displacement due to wind-induced vibration or environmental vibration, the device has good energy consumption and vibration reduction effects. The two ends of the corridor 1 are in semi-rigid connection with the tower buildings 2 on the two sides, namely in sliding connection, and the semi-rigid connection can be realized by using the prior art.
As shown in fig. 1 and 2, the limiting mechanism 8 includes a limiting block 9 and a slider 10, the limiting block 9 is fixedly installed on the floor of the tower 2 on one side of the corridor 1, the slider 10 is slidably arranged in the limiting block 9, the other end of the second curved bar 6 is hinged to the slider 10, and the slider 10 is connected with the damper 4. The limiting block 9 can limit the movement of the sliding block 10 along the vertical direction, so that the sliding block can only do linear reciprocating motion on the horizontal plane, and the normal energy consumption of the damper 4 can be ensured. When the first curved bar 5 displaces, the motion trail is a curve, and the second curved bar 6 converts the curve motion into the linear motion of the sliding block, so that the damper 4 consumes energy conveniently.
The cross-section of stopper 9 is the rectangle, stopper 9's inside has spacing space, be provided with the slide rail in the spacing space, the slider is connected with the slide rail, stopper 9's up end is opened there is opening 11 with spacing space intercommunication, opening 11's width is less than slider 10, the other end of second curved bar 6 is articulated with the slider after passing opening 11. The limiting block 9 comprises four limiting plates which are sequentially connected to form a limiting space, and the limiting plate positioned at the upper end is provided with an opening 11 communicated with the limiting space. Through the arrangement, when the displacement perpendicular to the length direction of the corridor occurs on the tower floor slab, the slider 10 can still keep moving in the horizontal direction, and the normal energy consumption of the damper 4 is ensured.
As shown in fig. 3, further includes a slide mechanism 12; the sliding mechanism 12 is installed in the tower 2 on one side of the corridor 1, and the lower end face of the steel plate 3 is connected with the upper end face of the sliding mechanism 12 in a sliding mode. After the one end of steel sheet 3 passed the wall body of tower 2 of vestibule one side to extend to corresponding floor, slider installs in the wall body of tower 2 of vestibule 1 one side, not only can turn into rolling friction with the sliding friction of steel sheet 3 and wall body through this setting, reduces frictional resistance greatly, makes the transmission displacement accuracy more quick, can also support steel sheet 3, prevents its deformation, improves steel sheet 3's life.
The sliding mechanism 12 comprises a base 13 and a plurality of rolling members; the upper end face of the base 13 is provided with a plurality of grooves 14 corresponding to the rolling parts, the rolling parts are arranged in the grooves 14 and protrude out of the upper end face of the base 13, and the lower end face of the steel plate 3 is in contact with the rolling parts. As shown in fig. 3, the rolling members may be balls 15, the balls 15 are rotatably installed in the grooves 14 and contact the steel plate 3, and the balls 15 can effectively reduce the friction between the steel plate 3 and the wall when the steel plate 3 moves along with the corridor 1.
The rolling members comprise a roller 16 and a rotating shaft 17, and the roller 16 is installed in the groove 14 through the rotating shaft 17 and protrudes from the upper end surface of the base 13. Each groove 14 is provided with a roller and a rotating shaft 17, and the roller is rotatably arranged in the groove 14 through the rotating shaft. Through the arrangement, the friction force between the steel plate 3 and the wall body can be effectively reduced.
As shown in fig. 4, the first curved lever 5 has a fulcrum 18, the fulcrum 18 is arranged near one end of the first curved lever 5 hinged to the steel plate 3, and the other end of the strut 7 is hinged to the fulcrum 18. The fulcrum 18 is less than 1/2 of the overall length of the first curved lever 5 from the end of the first curved lever 5. The arrangement enables the moving distance of the sliding block 10 to be larger than the relative displacement between the steel plate 3 and the tower 2, and improves the energy consumption effect of the damper 4.
As shown in fig. 4-7, the fulcrum 18 is spherical, the other end of the strut 7 is a hollow ball sleeve, and the other end of the strut 7 is hinged to the fulcrum 18; one end of the first curved bar 5 is a sphere, the other end of the first curved bar is a hollow ball sleeve 22, both ends of the second curved bar 6 are spheres, one end of the second curved bar 6 is hinged with the other end of the first curved bar 5, and the other end of the second curved bar 6 is hinged with the sliding block 10. Between branch 7 and first curved bar 5, between first curved bar 5 and steel sheet 3 and the second curved bar 6, all adopt spherical articulated between second curved bar 6 and the slider 10, this setting can make first curved bar 5, second curved bar 6 still can not be influenced when taking place not equidirectional displacement between tower 2 and vestibule 1, continue to transmit the displacement, and do not receive the influence of the other end curvilinear motion of first curved bar 1, make slider 10 straight reciprocating sliding in stopper 9.
As shown in fig. 1, the damper further comprises a rubber layer 21, and the rubber layer 21 is arranged between the bottom of the damper 4 and the floor of the tower. This arrangement improves the stability of the damper 4 and also protects the floor.
As shown in fig. 8, one end of the steel plate 3 is provided with a plurality of bolt holes 19 uniformly arranged, and the other end of the steel plate 3 is provided with a spherical groove 20 corresponding to the first curved bar 5. Steel sheet 3 and vestibule floor 101 fixed connection for the displacement of transmission vestibule 1, in order to guarantee the stability that steel sheet 3 and vestibule 1 are connected, double bolt hole is reserved to steel sheet 3's one end. To ensure the hinge connection between the steel plate 3 and the first curved bar 5, a spherical groove 20 is reserved at the other end of the steel plate 3 to facilitate the formation of a spherical hinge point with one end of the first curved bar 5.
The damper 4 is a corrugated friction damper. The triangular metal gear in the corrugated friction damper replaces a smooth rough surface of a traditional friction damper, so that the vibration energy of a tower can be consumed through extrusion damage of the triangular gear, the energy can be reduced through the friction function of the corrugated friction damper, the formation and the area of a friction working surface are increased through the contact surface, and the friction damping effect can be better achieved.
Example 2:
the present example is the same as example 1 except for the following technical features:
as shown in fig. 9 and 10, the rolling member includes a roller 16 and a rotating shaft 17, and the roller 16 is installed in the groove 14 through the rotating shaft 17 and protrudes from the upper end surface of the base 13. The rotating shaft 17 passes through each roller in sequence and is connected with the base 13. Specifically, when the roller 16 is fixedly mounted on the rotating shaft 17, the rotating shaft 17 is rotatably mounted on the base 13; when the roller 16 is rotatably mounted on the rotating shaft 17, the rotating shaft 17 is fixedly mounted on the base 13.
The supporting point 18 is a hollow ball sleeve, the other end of the supporting rod 7 is a ball body, and the other end of the supporting rod 7 is hinged with the supporting point 18; the both ends of first curved bar 5 are the spheroid, the one end of second curved bar 6 is the hollow ball cover, the other end of second curved bar 6 is the spheroid, the one end of second curved bar 6 is articulated with the other end of first curved bar 5, the other end of second curved bar 6 is articulated with slider 10. Between branch 7 and first curved bar 5, between first curved bar 5 and steel sheet 3 and the second curved bar 6, all adopt spherical articulated between second curved bar 6 and the slider 10, this setting can make first curved bar 5, second curved bar 6 still can not be influenced when taking place not equidirectional displacement between tower 2 and vestibule 1, continue to transmit the displacement, and do not receive the influence of the other end curvilinear motion of first curved bar 1, make slider 10 straight reciprocating sliding in stopper 9.
The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a damping vestibule of two tower high-rise building of bent lever type, the both ends of vestibule all connect its characterized in that with the tower building half rigid coupling of both sides: the steel plate damping device comprises a steel plate, a lever mechanism, a limiting mechanism and a damper; the steel sheet is located the bottom at the vestibule, the one end and the vestibule fixed connection of steel sheet, the other end of steel sheet extends to the tower building of vestibule one side, the attenuator is installed on the floor of the tower building of vestibule one side, leverage includes first curved bar, second curved bar and branch, the one end of branch is fixed in the tower building of vestibule one side, the other end and the first curved bar of branch are articulated, the one end of first curved bar is articulated with the other end of steel sheet, the other end and the second curved bar of first curved bar are articulated, the other end of second curved bar passes through stop gear and is connected with the attenuator.
2. The damping corridor of a curved-bar type double-tower high-rise building according to claim 1, wherein: stop gear includes stopper and slider, stopper fixed mounting is on the floor of the tower of vestibule one side, the slider slides and sets up in the stopper, the other end and the slider of second curved bar are articulated, the slider is connected with the attenuator.
3. The damping corridor of a curved-bar type double-tower high-rise building according to claim 2, wherein: the cross-section of stopper is the rectangle, the inside of stopper has spacing space, be provided with the slide rail in the spacing space, the slider is connected with the slide rail, the up end of stopper is opened there is the opening with spacing space intercommunication, open-ended width is less than the slider, the other end of second curved bar is articulated with the slider after passing the opening.
4. The damping corridor of a curved-bar type double-tower high-rise building according to claim 1, wherein: the device also comprises a sliding mechanism; the sliding mechanism is arranged in a tower on one side of the corridor, and the lower end face of the steel plate is connected with the upper end face of the sliding mechanism in a sliding mode.
5. The damping corridor of a curved-bar type double-tower high-rise building according to claim 4, wherein: the sliding mechanism comprises a base and a plurality of rolling pieces; the rolling device comprises a base, a steel plate and a plurality of rolling pieces, wherein the upper end face of the base is provided with a plurality of grooves corresponding to the rolling pieces, the rolling pieces are arranged in the grooves and protrude out of the upper end face of the base, and the lower end face of the steel plate is in contact with the rolling pieces.
6. The damping corridor of a curved-bar type double-tower high-rise building according to claim 5, wherein: the rolling part comprises a roller and a rotating shaft, and the roller is arranged in the groove through the rotating shaft and protrudes out of the upper end face of the base.
7. The damping corridor of a curved-bar type double-tower high-rise building according to claim 1, wherein: the first curved bar is provided with a fulcrum, the fulcrum is arranged close to one end of the first curved bar hinged to the steel plate, and the other end of the supporting rod is hinged to the fulcrum.
8. The damping corridor of a curved-bar type double-tower high-rise building according to claim 1, wherein: the supporting point is spherical, the other end of the supporting rod is a hollow ball sleeve, and the other end of the supporting rod is hinged with the supporting point; one end of the first curved bar is a sphere, the other end of the first curved bar is a hollow ball sleeve, the two ends of the second curved bar are both spheres, one end of the second curved bar is hinged with the other end of the first curved bar, and the other end of the second curved bar is hinged with the limiting mechanism.
9. The damping corridor of a curved-bar type double-tower high-rise building according to claim 1, wherein: the supporting point is a hollow ball sleeve, the other end of the supporting rod is a ball body, and the other end of the supporting rod is hinged with the supporting point; the two ends of the first curved bar are both spheres, one end of the second curved bar is a hollow ball sleeve, the other end of the second curved bar is a sphere, one end of the second curved bar is hinged to the other end of the first curved bar, and the other end of the second curved bar is hinged to the limiting mechanism.
10. The damping corridor of a curved-bar type double-tower high-rise building according to claim 1, wherein: the floor damper is characterized by further comprising a rubber layer, wherein the rubber layer is arranged between the bottom of the damper and a floor.
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Cited By (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991333A (en) * | 2022-06-08 | 2022-09-02 | 东南大学 | Swinging mass damper with vibration displacement leading-out and amplifying functions and method |
| CN114991333B (en) * | 2022-06-08 | 2023-11-10 | 东南大学 | Swing mass damper with vibration displacement leading-out amplification function and method |
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| CN111456219B (en) | 2021-09-24 |
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