CN214461380U

CN214461380U - Bidirectional horizontal adjustable tuned mass damper

Info

Publication number: CN214461380U
Application number: CN202022711253.3U
Authority: CN
Inventors: 张建云; 方良达
Original assignee: Dongguan Longrun Machinery Design Co ltd
Current assignee: Shaanxi Qinyou Jude Education Technology Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-10-22
Anticipated expiration: 2030-11-21

Abstract

The invention discloses a damper of bidirectional horizontal adjustable tuned mass, which comprises a lower embedded base and a buffer cushion, wherein the inner side wall of the lower embedded base is fixedly connected with a first damping spring, the end part of a fixed block is fixedly connected with a viscous damper, the upper surface of an upper connecting support is fixedly connected with a rubber column, a buffer steel plate is arranged inside the rubber column, a sliding block is arranged inside a sliding chute, and the top of the sliding block is fixedly connected with a horizontal guide mechanism. Thereby avoiding the damage caused by overlarge pressure born by the damper body and effectively prolonging the service life of the damper body.

Description

Bidirectional horizontal adjustable tuned mass damper

Technical Field

The invention relates to the technical field of civil engineering, in particular to a bidirectional horizontal adjustable tuned mass damper.

Background

At present, with the development of society, light and high-strength materials are applied to a high-rise structure, so that the rigidity and the damping of the structure are relatively reduced, the dynamic response of the structure is overlarge under the action of earthquake or wind load, the safe operation of the high-rise structure under the action of earthquake or wind load is influenced, the structure is seriously damaged or even collapsed, and huge economic loss is caused.

The tuned mass damper is a classic shock absorption control device, generates shock under the earthquake, drives the tuned mass damper to vibrate together, the inertia force generated by the relative motion of the tuned mass damper counteracts the building, the structural vibration reaction is reduced, the four sides of the tuned mass damper are connected by springs, when external force is transmitted to the building, the swinging of the building can transmit energy to the tuned mass damper, the tuned mass dampers swing at the same time, the calculated tuned mass damper can generate opposite swinging, the opposite swinging is just different from the swinging of the building, so the swinging of the building can be reduced, but the traditional tuned mass damper can only weaken the swinging of the building in the horizontal direction but can not weaken the vibration of the building in the vertical direction, the frequency of each direction is different, the shock absorption effect is poor, therefore, there is a need for a damper with a tuned mass that is adjustable horizontally in both directions.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the bidirectional horizontal adjustable tuned mass damper which has the advantages of converting vertical pressure into horizontal pressure, improving the damping effect and the like, and solves the problem of poor damping effect caused by incapability of weakening the vibration of a building in the vertical direction.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a damper of a bidirectional horizontal adjustable tuned mass comprises a lower embedded base and a buffer cushion, wherein the inner bottom wall of the lower embedded base is fixedly connected with the buffer cushion, the top of the buffer cushion is fixedly connected with a lower connecting support, the inner side wall of the lower embedded base is fixedly connected with a first damping spring, one side of the first damping spring is fixedly connected with a fixed block, the end part of the fixed block is fixedly connected with a viscous damper, the upper surface of the lower connecting support is fixedly provided with a damper body, the upper surface of the lower connecting support is positioned at two sides of the damper body and is fixedly connected with a second damping spring, the inner part of the second damping spring is fixedly connected with a fixed rod, the top of the damper body is fixedly connected with an upper connecting support, the upper surface of the upper connecting support is fixedly connected with a rubber column, and the inside of the rubber column is provided with a buffer steel plate, the inner bottom wall of the lower embedded base is provided with a sliding groove on one side of the cushion pad, a sliding block is arranged inside the sliding groove, the top of the sliding block is fixedly connected with a horizontal guide mechanism, and the upper surface of the upper connecting support is located on two sides of the rubber column and is fixedly connected with a guide telescopic rod.

Preferably, the upper surface of the lower embedded base is provided with a fixing hole, and an embedded inserted rod is fixedly connected inside the fixing hole.

Preferably, the surface of the fixed rod is provided with a first connecting seat on the upper surface of the upper connecting support, the surface of the fixed rod is provided with a second connecting seat on the lower surface of the upper connecting support, threaded holes are formed in the surfaces of the first connecting seat and the second connecting seat, and the inner threads of the threaded holes are connected with fixing screws.

Preferably, the top of the fixed rod is fixedly connected with an upper embedded base.

Preferably, horizontal guiding mechanism includes first free bearing, first movable rod, connects pivot, second movable rod and second free bearing, the first free bearing of top fixedly connected with of slider, the first movable rod of tip fixedly connected with of first free bearing, the tip fixedly connected with of first movable rod connects the pivot, the surperficial swing joint who connects the pivot has the second movable rod, the tip of second movable rod is located the lower fixedly connected with second free bearing of lower connection support.

Preferably, the number of the first damping springs is eight, and the eight first damping springs are uniformly arranged around the lower connecting support.

Preferably, the number of the buffer pads is three, and the three buffer pads are made of rubber.

Preferably, the direction telescopic link includes sleeve pipe, third damping spring, limiting plate and guide post, sheathed tube inside fixedly connected with third damping spring, third damping spring's tip fixedly connected with limiting plate, the tip fixedly connected with guide post of limiting plate.

Preferably, the surface of the damper body is fixedly connected with a fixing plate, and the surface of the fixing plate is fixedly connected with an adjusting bolt.

Preferably, the number of the second damping springs and the number of the fixing rods are four, and the second damping springs and the fixing rods are arranged at four corners of the upper surface of the lower connecting support.

(III) advantageous effects

Compared with the prior art, the invention provides a bidirectional horizontal adjustable tuned mass damper, which has the following beneficial effects:

1. this attenuator of harmonious quality with adjustable two-way level, vertical pressure that receives when vibrations to the attenuator body through first damping spring turns into horizontal pressure, consume horizontal pressure through first damping spring, and restrict first damping spring's compression distance through viscous damper, prevent that pressure from leading to the fact that first damping spring damages the deformation excessively, thereby first damping spring's life has been prolonged effectively, and can make first spring more stable high-efficient when consuming device pressure, horizontal guiding mechanism slides through the inside of slider along the spout, thereby carry out horizontal conduction to the pressure that the device received, and through horizontal guiding mechanism's removal, can also make first damping spring reset rapidly, avoid first damping spring to cause the damage.

2. This attenuator of harmonious quality with adjustable two-way level, setting through the blotter, provide the buffer space to the attenuator body when receiving vibrations, and cushion the load pressure that the attenuator body received, thereby avoid the too big and damage that causes of pressure that the attenuator body bore, its life has been prolonged effectively, the pressure that the attenuator body bore when to vibrations through rubber column and buffering steel sheet consumes, can reach the cushioning effect who is showing, when buffering steel sheet receives the extrusion simultaneously, can turn into horizontal pressure with partly vertical pressure, horizontal pressure is along buffering steel sheet surface evenly distributed, thereby horizontal pressure is offset in the realization, thereby improve the compressive strength of rubber column, and the shock absorption strength is strengthened.

Drawings

Fig. 1 is a schematic front view of a bidirectional horizontal adjustable tuned mass damper according to the present invention;

FIG. 2 is a schematic cross-sectional front view of a bi-directional horizontally adjustable tuned mass damper according to the present invention;

FIG. 3 is a schematic top view of a bi-directional horizontally adjustable tuned mass damper according to the present invention;

fig. 4 is a schematic structural view of a first connecting seat and a second connecting seat of a damper of a bidirectional horizontal adjustable tuned mass according to the present invention;

FIG. 5 is a schematic view of a guiding telescopic rod structure of a bidirectional horizontal adjustable tuned mass damper according to the present invention;

fig. 6 is an enlarged schematic structural diagram of a point a in fig. 2 of the damper of the bidirectional horizontal adjustable tuned mass according to the present invention.

In the figure: 1. a lower embedded base; 2. a cushion pad; 3. a lower connecting support; 4. a first damping spring; 5. a fixed block; 6. a viscous damper; 7. a damper body; 8. a second damping spring; 9. fixing the rod; 10. the upper connecting support; 11. a rubber column; 12. buffering the steel plate; 13. a chute; 14. a slider; 15. a horizontal guide mechanism; 1501. a first hinge base; 1502. a first movable bar; 1503. connecting the rotating shaft; 1504. a second movable bar; 1505. a second hinge base; 16. guiding the telescopic rod; 1601. a sleeve; 1602. a third damping spring; 1603. a limiting plate; 1604. a guide post; 17. a fixing hole; 18. embedding the inserted bar in advance; 19. a first connecting seat; 20. a second connecting seat; 21. a threaded hole; 22. fixing the screw rod; 23. mounting a pre-buried base; 24. a fixing plate; 25. and adjusting the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-6, in embodiment 1 of the present invention, a bidirectional horizontal adjustable tuned mass damper includes a lower embedded base 1 and a buffer pad 2, wherein a buffer pad 2 is fixedly connected to an inner bottom wall of the lower embedded base 1, the device is fixedly supported by the arrangement of the lower embedded base 1, a buffer space is provided for a damper body 7 when the damper body 7 is vibrated by the arrangement of the buffer pad 2, and a load pressure applied to the damper body 7 is buffered, so as to prevent the damper body 7 from being damaged due to an excessive pressure, and effectively prolong a service life of the damper, a lower connection support 3 is fixedly connected to a top of the buffer pad 2, a first damping spring 4 is fixedly connected to an inner side wall of the lower embedded base 1, a fixed block 5 is fixedly connected to one side of the first damping spring 4, and a viscous damper 6 is fixedly connected to an end of the fixed block 5, through the matching arrangement of the first damping spring 4, the fixed block 5 and the viscous damper 6, the vertical pressure received by the damper body 7 when the damper body 7 vibrates is converted into the horizontal pressure through the first damping spring 4, the horizontal pressure is consumed through the first damping spring 4, the compression distance of the first damping spring 4 is limited through the viscous damper 6, and the first damping spring is prevented from being damaged and deformed due to overlarge pressure, so that the service life of the first damping spring 4 is effectively prolonged, the first damping spring 4 can be more stable and efficient when the device pressure is consumed, the damper body 7 is fixedly arranged on the upper surface of the lower connecting support 3, the second damping springs 8 are fixedly connected on the two sides of the damper body 7 on the upper surface of the lower connecting support 3, the fixing rods 9 are fixedly connected inside the second damping springs 8, and the upper connecting support 10 is fixedly connected on the top of the damper body 7, through the arrangement of the second damping spring 8, the vertical pressure of the device when the device is vibrated is buffered and transmitted, the device is prevented from being damaged due to overlarge pressure, the upper surface of the upper connecting support 10 is fixedly connected with the rubber column 11, the buffering steel plate 12 is arranged in the rubber column 11, the pressure borne by the damper body 7 during vibration is consumed through the rubber column 11 and the buffering steel plate 12, a remarkable damping effect can be achieved, meanwhile, when the buffering steel plate 12 is extruded, a part of the vertical pressure can be converted into horizontal pressure, the horizontal pressure is uniformly distributed along the surface of the buffering steel plate 12, so that the horizontal pressure is offset, the compressive strength of the rubber column 11 is improved, the damping strength is enhanced, one side, located on the buffering pad 2, of the inner bottom wall of the lower embedded base 1 is provided with the sliding groove 13, the sliding block 14 is arranged in the sliding groove 13, and the top of the sliding block 14 is fixedly connected with the horizontal guide mechanism 15, through spout 13, slider 14 and horizontal guiding mechanism 15's cooperation setting, can make lower connection support 3 rock when the device receives vibrations, can drive horizontal guiding mechanism 15 simultaneously and slide along spout 13's inside through slider 14, thereby carry out horizontal conduction to the pressure that the device received, and through horizontal guiding mechanism 15's removal, can also make first damping spring 4 reset rapidly, avoid first damping spring 4 to cause the damage, the equal fixedly connected with direction telescopic link 16 in both sides of rubber post 11 of upper surface that goes up connection support 10, it is fixed to support upper connection support 10 through direction telescopic link 16, and can provide the buffering to the device when receiving vibrations, bring the wearing and tearing of device when reducing vibrations.

In embodiment 2 of the present invention, a damper of a two-way horizontal adjustable tuned mass comprises a lower embedded base 1 and a cushion pad 2, wherein the inner bottom wall of the lower embedded base 1 is fixedly connected with the cushion pad 2, the top of the cushion pad 2 is fixedly connected with a lower connecting support 3, the inner side wall of the lower embedded base 1 is fixedly connected with a first damping spring 4, one side of the first damping spring 4 is fixedly connected with a fixed block 5, the end part of the fixed block 5 is fixedly connected with a viscous damper 6, the upper surface of the lower connecting support 3 is fixedly provided with a damper body 7, the upper surface of the lower connecting support 3 is fixedly connected with second damping springs 8 at two sides of the damper body 7, the inner part of each second damping spring 8 is fixedly connected with a fixed rod 9, the top of the damper body 7 is fixedly connected with an upper connecting support 10, the upper surface of the upper connecting support 10 is fixedly connected with a rubber column 11, the inside of rubber column 11 is provided with buffering steel sheet 12, and one side that the inner bottom wall of lower pre-buried base 1 is located blotter 2 is provided with spout 13, and the inside of spout 13 is provided with slider 14, and slider 14's top fixed connection has horizontal guiding mechanism 15, and the equal fixedly connected with direction telescopic link 16 in both sides that the upper surface of going up connection support 10 is located rubber column 11.

Among them, the difference from example 1 is: the upper surface of the lower embedded base 1 is provided with a fixing hole 17, the inside of the fixing hole 17 is fixedly connected with an embedded inserted rod 18, the embedded inserted rod 18 is inserted into the fixing hole 17 through the matching arrangement of the fixing hole 17 and the embedded inserted rod 18, and is fixedly connected with the fixing hole 17, so that the lower embedded base 1 is effectively fixed, the surface of the fixing rod 9, which is positioned on the upper surface of the upper connecting support 10, is provided with a first connecting seat 19, the surface of the fixing rod 9, which is positioned on the lower surface of the upper connecting support 10, is provided with a second connecting seat 20, the surfaces of the first connecting seat 19 and the second connecting seat 20 are both provided with threaded holes 21, the inner threads of the threaded holes 21 are connected with fixing screws 22, the threaded holes 21 are in threaded connection through the fixing screws 22, the threaded holes 21 are fixedly connected between the first connecting seat 19 and the second connecting seat 20, and the second damping spring 8 is limited and fixed at the same time, the top of the fixed rod 9 is fixedly connected with an upper embedded base 23, the horizontal guide mechanism 15 comprises a first hinge base 1501, a first movable rod 1502, a connecting rotating shaft 1503, a second movable rod 1504 and a second hinge base 1505, the top of the sliding block 14 is fixedly connected with the first hinge base 1501, the end of the first hinge base 1501 is fixedly connected with the first movable rod 1502, the end of the first movable rod 1502 is fixedly connected with the connecting rotating shaft 1503, the surface of the connecting rotating shaft 1503 is movably connected with the second movable rod 1504, the end of the second movable rod 1504 is positioned on the lower surface of the lower connecting support 3 and is fixedly connected with the second hinge base 1505, when the lower connecting support 3 shakes, the second movable rod 1504 is driven to move, meanwhile, the first movable rod 1502 is driven to move through the connecting rotating shaft 1503, the horizontal pressure on the first damping spring 4 is conducted, the first damping spring 4 is quickly reset, and deformation damage caused by overlarge pressure on the first damping spring 4 is avoided, the damping effect is reduced, the number of the first damping springs 4 is eight, the eight first damping springs 4 are uniformly arranged along the periphery of the lower connecting support 3, the pressure on the device is uniformly dispersed and damped through the eight first damping springs 4, the damage to the device caused by the excessive single pressure is avoided, the number of the cushion pads 2 is three, the three cushion pads 2 are made of rubber, the guiding telescopic rod 16 comprises a sleeve 1601, a third damping spring 1602, a limiting plate 1603 and a guide post 1604, the third damping spring 1602 is fixedly connected inside the sleeve 1601, the limiting plate 1603 is fixedly connected at the end of the third damping spring 1602, the guide post 1604 is fixedly connected at the end of the limiting plate 1603, the fixing plate 24 is fixedly connected on the surface of the damper body 7, the adjusting bolt 25 is fixedly connected on the surface of the fixing plate 24, the number of the second damping springs 8 and the fixing rod 9 is four, and four second damping springs 8 and fixing bars 9 are disposed at four corners of the upper surface of the lower connection holder 3 (duplicated from the + extension).

The working principle is as follows: the lower embedded base 1 is effectively fixed by inserting the embedded inserted rod 18 into the fixing hole 17 and fixedly connected with the fixing hole 17, the upper connecting support 10 is supported and fixed through the guide telescopic rod 16 and can provide buffer for the device when being vibrated, the abrasion brought to the device when being vibrated is reduced, the vertical pressure when being vibrated is buffered and transmitted through the second damping spring 8, the pressure borne by the damper body 7 when being vibrated is consumed through the rubber column 11 and the damping steel plate 12, a part of the vertical pressure is converted into the horizontal pressure, the compressive strength of the rubber column 11 is improved, the damping strength is enhanced, the remarkable damping effect is achieved, the lower connecting support 3 can shake when being vibrated, and the horizontal guide mechanism 15 can be driven to slide along the inside of the sliding chute 13 through the sliding block 14, therefore, the pressure applied to the device is horizontally conducted, and the first damping spring 4 can be rapidly reset through the movement of the horizontal guide mechanism 15, so that the first damping spring 4 is prevented from being damaged.

It is to be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or operations, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus, without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a harmonious attenuator of quality with adjustable two-way level, includes pre-buried base (1) and cushion (2) down, its characterized in that: the inner bottom wall of the lower embedded base (1) is fixedly connected with a cushion pad (2), the top of the cushion pad (2) is fixedly connected with a lower connecting support (3), the inner side wall of the lower embedded base (1) is fixedly connected with a first damping spring (4), one side of the first damping spring (4) is fixedly connected with a fixed block (5), the end part of the fixed block (5) is fixedly connected with a viscous damper (6), the upper surface of the lower connecting support (3) is fixedly provided with a damper body (7), the upper surface of the lower connecting support (3) is positioned at two sides of the damper body (7) and is fixedly connected with a second damping spring (8), the inner part of the second damping spring (8) is fixedly connected with a fixed rod (9), the top of the damper body (7) is fixedly connected with an upper connecting support (10), the upper surface of the upper connecting support (10) is fixedly connected with a rubber column (11), the rubber column is characterized in that a buffering steel plate (12) is arranged inside the rubber column (11), a sliding groove (13) is formed in one side, located on the buffering pad (2), of the inner bottom wall of the lower embedded base (1), a sliding block (14) is arranged inside the sliding groove (13), a horizontal guiding mechanism (15) is fixedly connected to the top of the sliding block (14), and guiding telescopic rods (16) are fixedly connected to the two sides, located on the rubber column (11), of the upper surface of the upper connecting support (10).

2. The damper of claim 1, wherein: the upper surface of the lower embedded base (1) is provided with a fixing hole (17), and an embedded inserted rod (18) is fixedly connected to the inside of the fixing hole (17).

3. The damper of claim 1, wherein: the surface of dead lever (9) is located the upper surface of last connection support (10) and is provided with first connecting seat (19), the surface of dead lever (9) is located the lower surface of last connection support (10) and is provided with second connecting seat (20), threaded hole (21) have all been seted up on the surface of first connecting seat (19) and second connecting seat (20), the internal thread of threaded hole (21) is connected with clamping screw (22).

4. The damper of claim 1, wherein: the top of the fixed rod (9) is fixedly connected with an upper embedded base (23).

5. The damper of claim 1, wherein: the horizontal guide mechanism (15) comprises a first hinge base (1501), a first movable rod (1502), a connecting rotating shaft (1503), a second movable rod (1504) and a second hinge base (1505), the top of the sliding block (14) is fixedly connected with the first hinge base (1501), the end of the first hinge base (1501) is fixedly connected with the first movable rod (1502), the end of the first movable rod (1502) is fixedly connected with the connecting rotating shaft (1503), the surface of the connecting rotating shaft (1503) is movably connected with the second movable rod (1504), and the end of the second movable rod (1504) is located on the lower surface of the lower connecting support (3) and is fixedly connected with the second hinge base (1505).

6. The damper of claim 1, wherein: the number of the first damping springs (4) is eight, and the first damping springs (4) are uniformly arranged around the lower connecting support (3).

7. The damper of claim 1, wherein: the number of the buffer pads (2) is three, and the buffer pads (2) are all made of rubber.

8. The damper of claim 1, wherein: the direction telescopic link (16) includes sleeve pipe (1601), third damping spring (1602), limiting plate (1603) and guide post (1604), the inside fixedly connected with third damping spring (1602) of sleeve pipe (1601), the tip fixedly connected with limiting plate (1603) of third damping spring (1602), the tip fixedly connected with guide post (1604) of limiting plate (1603).

9. The damper of claim 1, wherein: the surface of the damper body (7) is fixedly connected with a fixing plate (24), and the surface of the fixing plate (24) is fixedly connected with an adjusting bolt (25).

10. The damper of claim 1, wherein: the number of the second damping springs (8) and the number of the fixing rods (9) are four, and the second damping springs (8) and the fixing rods (9) are arranged at four corners of the upper surface of the lower connecting support (3).