CN211257389U - Building quality-adjusting damper - Google Patents
Building quality-adjusting damper Download PDFInfo
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- CN211257389U CN211257389U CN201922225537.9U CN201922225537U CN211257389U CN 211257389 U CN211257389 U CN 211257389U CN 201922225537 U CN201922225537 U CN 201922225537U CN 211257389 U CN211257389 U CN 211257389U
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- hanger rail
- damper
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- mass block
- sliding
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Abstract
The utility model discloses a building quality-regulating damper, which comprises a hanger rail, a mass block, a damper and sliding balls, wherein the hanger rail is fixedly arranged on a building, two sides of the bottom of the hanger rail are provided with inward symmetrical wing rafters, the top surfaces of the wing rafters are provided with grooves, the sliding balls are arranged in the grooves, the mass block is in sliding connection with the hanger rail through the sliding balls and is positioned at the bottom end of the hanger rail, two ends in the hanger rail are closed, the inner side of the closed end is connected with one end of the damper, and the other end of the damper is connected with the mass block; the rigid hanger rail is adopted to suspend the mass block, so that the occupied space area of the suspension type tempering damping is reduced, the installation angle can be adjusted according to the direction and the characteristics of the vibration wave, and importantly, the sliding ball is arranged on the contact surface of the mass block in the hanger rail, so that the sliding friction force between the mass block and the hanger rail is reduced, the tempering damping has a more sensitive response speed to the vibration wave, the starting is rapid, the energy consumption is effectively reduced, the stability of a building and a structure is maintained, the tempering damping is low in cost, and the tempering damping has a higher application value.
Description
Technical Field
The utility model relates to a building engineering antidetonation technical field that takes precautions against earthquakes, more specifically the saying so relates to a building modulation of mass attenuator.
Background
The high-rise building structure is obviously influenced by earthquake and wind vibration, and the earthquake and wind vibration reaction of the structure is reduced, so that the high-rise building structure becomes an important aspect of structural design. The damper can enter an energy consumption working state before the main structure enters the energy consumption state, dissipates a large amount of earthquake and wind vibration energy input into a structural system, greatly reduces the energy consumption of the structure, greatly reduces the reaction of the main structure, effectively protects the main structure from being damaged or destroyed by earthquake waves or wind energy, improves the earthquake resistance of the main structure, is widely applied to the building and the structure in the construction process, and improves the safety performance of the building and the structure.
The Tuned Mass Damper (TMD) control device is used as a dynamic vibration absorber, and has wide application prospect in the aspects of dynamic response control of high-rise and high-rise structures, large-span and soft structures under the excitation of wind, earthquake, pedestrian load and the like. The device has obvious control effect on the vibration of the structure, has small influence on the building function, only occupies little building area, and is convenient to install, maintain and replace. The traditional TMD is composed of three components, namely a mass block, an elastic element and a damping element, and the largest component is the mass block with inertia. The supporting mode of the inertial mass block on the main structure is a key technology of the TMD device, and the inertial mass block and the main structure vibration mode resonance need to be ensured to have a determined self-vibration period and damping. The inertial mass block of the TMD system can be suspended or supported by adopting a multi-section pendulum, an inverted pendulum, a hydraulic support system, a laminated rubber pad and the like, and single-stage pendulum suspension or multi-stage pendulum suspension of a suspension system is adopted, so that the system has good responsiveness, but the current suspension system mostly adopts flexible suspension, and the energy consumption of response is carried out by depending on the swing of the mass block, so that a larger space is required to be reserved for suspending the mass block undoubtedly, and the utilization rate of a building is influenced; and because the quality piece has the contact with strutting arrangement again in the braced system, need not to produce the contact friction, when external excitation is less, can't overcome the static friction, TMD can't shake, can't exert the cushioning effect, when external excitation is by little grow, the quality piece can't make timely response, the start-up time extension also seriously influences TMD's effect to the braced system needs be in strict plane installation, and adaptability is poor.
Therefore, it is an urgent need to solve the problem of providing a building quality control damper with good responsiveness without affecting the space utilization of the building.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a guide rail suspension type mass modulation attenuator adopts the guide rail to hang the quality piece and increases the ball and weaken the contact friction, makes the structure occupation of land space little and have good responsiveness.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a building matter modulation attenuator, includes hanger rail, quality piece, attenuator and slip ball, hanger rail fixed mounting is on the building, hanger rail bottom both sides are provided with the wing rafter of inside symmetry, wing rafter top surface is provided with the recess, install in the recess the slip ball, the quality piece passes through the slip ball with hanger rail sliding connection just the quality piece is located the hanger rail bottom, both ends are sealed in the hanger rail, and the inboard one end of attenuator of connecting of blind end, the other end of attenuator is connected the quality piece.
Preferably, the quality piece is including the slider, connecting rod and the main quality piece that the integral type that from top to bottom set gradually is connected, the slider is arranged in the hanger rail and through slip ball with hanger rail sliding connection, the slider both ends with the attenuator is connected respectively at the both ends that the hanger rail corresponds.
The beneficial effects of the preferred technical scheme are as follows: the quality piece structure that the integral type is connected has increased the wholeness, promotes the stability of structure.
Preferably, the building tuned mass damper further comprises: and the elastic component is arranged in parallel with the damper, one end of the elastic component is connected with the sliding block, the other end of the elastic component is connected with the corresponding end face of the hanger rail, and the elastic component and the damper are arranged in pairs.
Preferably, at least two pairs of the dampers and the elastic members are arranged on each side of the sliding block, and the maximum length of each of the dampers and the elastic members is larger than the calculated horizontal moving distance of the mass block when the hanger rail slides.
Preferably, the elastic component is a compression spring or an electromagnetic damping spring.
The technical effect of the preferable technical scheme is as follows: the elastic component can assist the damper in dissipating energy, assist the mass block in simple harmonic motion and also can facilitate the mass block to reset in a non-vibration period, so that the next better corresponding vibration wave is facilitated.
Preferably, a lubricating layer is further arranged between the groove and the sliding ball.
The beneficial effects of the preferred technical scheme are as follows: the roll of ball has effectively been ensured to the lubricated layer, reduces frictional resistance, further promotes the sensitivity of vibration wave response.
Preferably, the damper is an oil cylinder damper, a magnetorheological damper or an eddy current damper.
Preferably, the outer sides of the two ends of the hanger rail are provided with lifting lugs, each lifting lug is provided with a through hole from top to bottom, and the hanger rail is fixedly connected to the building through the lifting lugs.
The beneficial effects of the preferred technical scheme are as follows: the tempering damping and the building can be relatively and fixedly connected through devices such as lifting lugs, fixing rods and the like under different building installation conditions, and the method is suitable for different application scenes.
According to the above technical scheme, compare with prior art, the utility model discloses a building tempering attenuator adopts the rigidity hanger rail to suspend the mode setting of quality piece in midair, suspension type tempering damped occupation space area has been reduced, and can adjust installation angle according to the ripples direction of shaking and characteristics, the important contact surface of quality piece sets up sliding ball in the hanger rail, the sliding friction power of greatly reduced quality piece and hanger rail, it has more sensitive response speed to the ripples that shakes to make the tempering damping, start rapidly, the stability of building and structure is maintained to effective power consumption, and this tempering damping is with low costs, higher using value has.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a building hardening and tempering damping structure according to the present invention;
FIG. 2 is a cross-sectional view of the building hardening and tempering damping of the present invention;
FIG. 3 is a partial structure diagram of the hardening and tempering damping of the building of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a building tuned mass damper, includes hanger rail 1, quality piece 2, attenuator 3 and slip ball 4, hanger rail 1 fixed mounting is on the building, hanger rail 1 bottom both sides are provided with wing rafters 11 to the internal symmetry, wing rafter 11 top surface is provided with recess 111, install in the recess 111 slip ball 4, quality piece 2 pass through slip ball 4 with hanger rail 1 sliding connection just 2 blocks of quality are located hanger rail 1 bottom, both ends are sealed in hanger rail 1, and the inboard one end of connecting of blind end attenuator 3, the other end of attenuator 3 is connected quality piece 2.
The working principle of the technical scheme is as follows: the hanging rail 1 is installed in a building and suspended, when the building structure vibrates under the action of internal or external excitation, the hanging rail 1 and the building structure are relatively fixed, so that the hanging rail 1 and the building structure have the same movement trend, the mass block 2 and the building have the opposite movement trend under the action of inertia to balance the deformation of the building structure, the movement trend of the mass block 2 can enable the mass block to slide along the hanging rail 1 under the action of the sliding balls 4, and the damper 3 is compressed or stretched to consume energy, so that the horizontal vibration reaction of the building structure is greatly attenuated by attenuation fluctuation, and the purpose of controlling the horizontal vibration reaction of the building structure is achieved. The device can balance waves from different directions by vertically installing two groups or a plurality of groups of the tempering damping in multiple directions, can adapt to building structures with different structures and ensure the minimum space consumption due to the inflexible suspension and the combination of the tempering damping of the supporting structure and the tempering damping of the suspension structure, and also has the most sensitive response speed and ensures the damping effect.
In some technical schemes, the mass block 2 comprises a sliding block 21, a connecting rod 22 and a main mass block 23 which are connected in an integrated manner and are sequentially arranged from top to bottom, the sliding block 21 is arranged in the hanger rail 1 and is in sliding connection with the hanger rail 1 through a sliding ball 4, and two ends of the sliding block 21 and two ends corresponding to the hanger rail 1 are respectively connected with the damper 3.
In some embodiments, the building tuned mass damper further comprises: and the elastic component 5 is arranged in parallel with the damper 3, one end of the elastic component 5 is connected with the sliding block 21, the other end of the elastic component 5 is connected with the corresponding end surface of the hanger rail 1, and the elastic component 5 and the damper 3 are arranged in pairs.
In some technical solutions, at least two pairs of the dampers 3 and the elastic members 5 are provided on each side of the slider 21, and the maximum length of each of the dampers 3 and the elastic members 5 is greater than the calculated horizontal moving distance of the mass 2 when the hanger rail 1 slides.
In some embodiments, the elastic component 5 is a compression spring or an electromagnetic damping spring.
The principle of the technical scheme is as follows: the elastic component 5 can assist the mass block 3 to maintain the self-vibration period in the hanger rail 1, so that the vibration wave can be effectively reduced, and when no vibration wave is transmitted to the controlled structure, the elastic component 5 can drive the mass block 2 to reset, so that the next vibration wave from an unknown direction can be received better, and the corresponding action can be made in time.
As shown in fig. 3, in some embodiments, a lubricating layer 6 is further disposed between the groove 111 and the sliding ball 4.
In some technical solutions, the damper 3 is an oil cylinder damper, a magnetorheological damper or an eddy current damper.
In some technical solutions, lifting lugs 12 are disposed on outer sides of two ends of the hanger rail 1, through holes 121 are formed in the lifting lugs 12 from top to bottom, and the hanger rail 1 is fixedly connected to a building through the lifting lugs 12.
The principle of the technical scheme is as follows: because all building structures do not have horizontal installation surfaces, when irregular building structures are hoisted, the two sides of the hanger rail 1 can be installed at the same horizontal height by adopting installation rods with different specifications through the lifting lugs 12 and the through holes 121 on the lifting lugs, and the effect of tempering and damping is ensured.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a building matter modulation attenuator, its characterized in that, includes hanger rail, quality piece, attenuator and slip ball, hanger rail fixed mounting is on the building, hanger rail bottom both sides are provided with the wing rafter of inward symmetry, wing rafter top surface is provided with the recess, install in the recess the slip ball, the quality piece passes through the slip ball with hanger rail sliding connection just the quality piece is located the hanger rail bottom, both ends are sealed in the hanger rail, and the inboard one end of connecting of blind end the one end of attenuator, the other end of attenuator is connected the quality piece.
2. The building tuned mass damper according to claim 1, wherein the mass block comprises a slider, a connecting rod and a main mass block which are integrally connected and sequentially arranged from top to bottom, the slider is arranged in the hanger rail and is slidably connected with the hanger rail through the sliding balls, and two ends of the slider corresponding to two ends of the hanger rail are respectively connected with the damper.
3. A building conditioning damper as recited in claim 2, further comprising: and the elastic component is arranged in parallel with the damper, one end of the elastic component is connected with the sliding block, the other end of the elastic component is connected with the corresponding end face of the hanger rail, and the elastic component and the damper are arranged in pairs.
4. A construction tuned mass damper as claimed in claim 3, wherein there are at least two pairs of said damper and said resilient member on each side of said slider, each said damper and said resilient member having a maximum length greater than the calculated horizontal travel of the mass as said hanger rail slides.
5. The building tuned mass damper according to claim 4, wherein said resilient member is a compression spring or an electromagnetic damping spring.
6. A construction tuned mass damper as claimed in claim 1 wherein a lubricating layer is provided between the sliding ball and the recess.
7. The building tuned mass damper according to claim 1, wherein said damper is a cylinder damper, a magnetorheological damper or an eddy current damper.
8. The building tuned mass damper according to claim 1, wherein the hanger rail is provided with a through hole from top to bottom at the outer side of each end, and the hanger rail is fixedly connected to the building through the hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922225537.9U CN211257389U (en) | 2019-12-12 | 2019-12-12 | Building quality-adjusting damper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922225537.9U CN211257389U (en) | 2019-12-12 | 2019-12-12 | Building quality-adjusting damper |
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| Publication Number | Publication Date |
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| CN211257389U true CN211257389U (en) | 2020-08-14 |
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| CN201922225537.9U Active CN211257389U (en) | 2019-12-12 | 2019-12-12 | Building quality-adjusting damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108013A (en) * | 2021-04-19 | 2021-07-13 | 浙江世仓智能仓储设备有限公司 | Shock absorption device and method for goods shelf |
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2019
- 2019-12-12 CN CN201922225537.9U patent/CN211257389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108013A (en) * | 2021-04-19 | 2021-07-13 | 浙江世仓智能仓储设备有限公司 | Shock absorption device and method for goods shelf |
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