CN215977840U

CN215977840U - Tuned mass damper

Info

Publication number: CN215977840U
Application number: CN202122120911.6U
Authority: CN
Inventors: 戴创新
Original assignee: Pipe Supports Ltd
Current assignee: Pipe Supports Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-08
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a tuned mass damper, which comprises a bottom plate, wherein an installation assembly is arranged below the bottom plate, hydraulic viscous dampers are fixed at four corners of the bottom plate, a mass block is fixed at the upper end of each hydraulic viscous damper, two buffer devices are arranged between the mass block and the bottom plate and are respectively positioned at two ends of the bottom plate, and each buffer device comprises an end plate. This harmonious mass damper can reduce the vibration reaction of floor, reduces the fatigue damage of structure to adopt the effect of hydraulic pressure viscous damping and the effect of increase damping that the mode that sliding friction damping combined together can be great, thereby can be effectual harmonious to the vibration of floor, and then can provide better protection to the floor in the earthquake.

Description

Tuned mass damper

Technical Field

The utility model relates to the technical field of tuned mass dampers, in particular to a tuned mass damper.

Background

In order to control the vibration of the floor slab under the action of earthquake, the traditional technical means is to adopt Tuned Mass Damper (TMD). The TMD is mainly composed of a mass block, an elastic unit that can provide an elastic restoring force, and a damping unit that can provide a damping force. The TMDs are classified into a supporting TMD and a suspended TMD. The supporting TMD uses vertical springs to provide restoring force, which can control vertical vibration. The suspended TMD uses the component of gravity along the tangent line when the mass block swings as restoring force, and is mainly used for controlling transverse vibration.

Traditional support formula TMD adopts hydraulic pressure viscous damper to provide the damping, and it is comparatively single to provide damped mode for TMD among the prior art is less to the tuning effect that the vibration of floor produced, and the effect is unsatisfactory, thereby can't provide better protection to the floor in the earthquake.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a tuned mass damper to solve the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a harmonious mass damper includes the bottom plate, the bottom plate has the installation component, all be fixed with hydraulic pressure viscous damper on four angles of bottom plate, hydraulic pressure viscous damper upper end is fixed with the quality piece, the quality piece with be equipped with the buffer that quantity is two between the bottom plate, just buffer is located the both ends of bottom plate respectively, buffer includes the end plate, the bilateral symmetry of bottom plate is fixed with the end plate, be fixed with the slide bar between the end plate, slide bar outer wall sliding sleeve is equipped with the slider, the slider upper end all articulates there is the connecting rod, the connecting rod upper end all with the quality piece is articulated, just the slider with all be connected with the spring between the end plate, just the spring is all established the slide bar outer wall is established.

Further, the mounting assembly comprises an I-shaped steel cross beam, a connecting plate and an I-shaped steel mounting plate, the I-shaped steel cross beam is fixed to the two ends of the bottom plate through bolts and nuts, the connecting plate is fixed to the two ends of the I-shaped steel cross beam through bolts and nuts, the I-shaped steel mounting plate is fixed to one side of the bottom plate through the connecting plate, and a plurality of mounting holes are formed in the upper end and the lower end of the I-shaped steel mounting plate.

Furthermore, a bearing plate matched with the base plate is fixed between the I-shaped steel cross beams, and two ends of the bearing plate extend into the I-shaped steel cross beams.

Furthermore, a plurality of first inner supporting plates are fixed on one side of the I-shaped steel beam, which is far away from the supporting plate.

Further, the I-steel mounting panel is close to the middle part of bottom plate one side is fixed with the interior fagging of second, the I-steel mounting panel is kept away from one side of bottom plate is equidistant to be fixed with a plurality of third interior faggings.

Furthermore, the inner walls of the sliding blocks are fixed with annular damping pads, and the annular damping pads are connected with the sliding rods in a sliding mode.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the bottom plate, the mounting assembly, the hydraulic viscous damper, the mass block and the buffer device, the mass block can be driven to vibrate in the earthquake process, the inertia force generated by the mass block counteracts the floor slab, so that the mass block generates a coordination effect on the vibration of the floor slab, the vibration reaction of the floor slab is reduced, the fatigue damage of the structure is reduced, and the damping effect can be greatly increased by adopting a mode of combining the hydraulic viscous damping and the sliding friction damping, so that the vibration of the floor slab can be effectively tuned, and the floor slab in the earthquake can be better protected;

2. according to the utility model, through arranging the I-steel beam, the connecting plate, the I-steel mounting plate and the mounting hole, the I-steel mounting plate can be mounted below the floor slab, and the I-steel mounting plate can also be mounted above the floor slab, so that a proper mounting mode can be selected according to actual conditions, and the installation method is more practical in actual installation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a tuned mass damper according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a bottom plate and a mass in a tuned mass damper, according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a tuned mass damper damping device according to an embodiment of the present invention;

figure 4 is a schematic structural diagram of a support plate in a tuned mass damper according to an embodiment of the present invention.

Reference numerals:

1. a base plate; 2. a hydraulic viscous damper; 3. a mass block; 4. a buffer device; 5. an end plate; 6. a slide bar; 7. a slider; 8. a connecting rod; 9. a spring; 10. an I-beam cross beam; 11. a connecting plate; 12. i-steel mounting plates; 13. mounting holes; 14. a support plate; 15. a first inner supporting plate; 16. a second inner supporting plate; 17. a third inner supporting plate; 18. annular damping pad.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-4, a tuned mass damper according to an embodiment of the present invention includes a bottom plate 1, a mounting assembly is disposed below the bottom plate 1, hydraulic viscous dampers 2 are fixed to four corners of the bottom plate 1, a mass block 3 is fixed to upper ends of the hydraulic viscous dampers 2, two buffer devices 4 are disposed between the mass block 3 and the bottom plate 1, the buffer devices 4 are respectively disposed at two ends of the bottom plate 1, the buffer devices 4 include end plates 5, end plates 5 are symmetrically fixed to two sides of the bottom plate 1, a slide rod 6 is fixed between the end plates 5, a slide block 7 is slidably sleeved on an outer wall of the slide rod 6, connecting rods 8 are hinged to upper ends of the slide blocks 7, upper ends of the connecting rods 8 are hinged to the mass block 3, springs 9 are connected between the slide block 7 and the end plates 5, and the springs 9 are sleeved on outer walls of the slide rod 6, can drive the vibration of quality piece 3 at the earthquake in-process, the inertial force reaction that quality piece 3 produced makes it produce the concerted action to the vibration of floor on the floor, thereby reduce the vibration reaction of floor, reduce the fatigue damage of structure, and adopt the effect of hydraulic pressure viscous damping and the effect of increase damping that the mode that sliding friction damping combined together can be great, thereby can be effectual harmonious to the vibration of floor, and then can provide better protection to the floor in the earthquake.

Example two:

referring to fig. 1, 2 and 4, for the installation assembly, the installation assembly includes an i-steel beam 10, a connecting plate 11 and an i-steel mounting plate 12, the i-steel beam 10 is fixed at both ends of the bottom plate 1 through bolts and nuts, the connecting plate 11 is fixed at both ends of the i-steel beam 10 through bolts and nuts, the i-steel mounting plate 12 is fixed at one side of the connecting plate 11 far away from the bottom plate 1, and a plurality of mounting holes 13 are formed at both upper and lower ends of the i-steel mounting plate 12, so that the i-steel mounting plate 12 can be mounted below a floor slab, and the i-steel mounting plate 12 can also be mounted above the floor slab, so that a proper installation mode can be selected according to actual conditions, and the installation assembly is more practical in actual installation; for the i-steel beam 10, a supporting plate 14 matched with the base plate 1 is fixed between the i-steel beams 10, and two ends of the supporting plate 14 extend into the i-steel beam 10, wherein the supporting plate 14 can support the base plate 1, so that the base plate 1 is not easy to deform; for the i-steel beam 10, a plurality of first inner supporting plates 15 are fixed on one side of the i-steel beam 10 far away from the supporting plate 14, wherein the first inner supporting plates 15 can effectively increase the mechanical strength of the i-steel beam 10, so that the i-steel beam 10 is not easy to deform.

Example three:

referring to fig. 1 and 3, for the i-steel mounting plate 12, a second inner supporting plate 16 is fixed in the middle of the i-steel mounting plate 12 close to one side of the base plate 1, and a plurality of third inner supporting plates 17 are fixed in the side of the i-steel mounting plate 12 away from the base plate 1 at equal intervals, wherein the second inner supporting plate 16 and the third inner supporting plates 17 can effectively increase the mechanical strength of the i-steel mounting plate 12, so that the i-steel mounting plate 12 is not easy to deform; for the sliding block 7, the inner wall of the sliding block 7 is fixed with an annular damping pad 18, and the annular damping pad 18 is connected with the sliding rod 6 in a sliding manner, wherein the annular damping pad 18 can effectively increase the damping force between the sliding block 7 and the sliding rod 6, so that the vibration damping effect can be further improved.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the I-steel mounting plate 12 is fixed above or below a floor slab through anchor bolts or bolts, in the earthquake process, the vibration of the floor slab can drive the mass block 3 to vibrate, the inertia force generated by the mass block 3 is reacted on the floor slab to generate a coordination effect on the vibration of the floor slab, so that the vibration reaction of the floor slab is reduced, the fatigue damage of the structure is reduced, in addition, the mass block 3 can drive the slide block 7 to slide along the slide rod 6 through the connecting rod 8 in the vibration process, so that the spring 9 can be compressed or stretched, the energy of the vibration can be consumed by utilizing the damping force between the annular damping pad 18 and the slide rod 6, the damping effect can be increased by adopting the mode of combining hydraulic viscous damping and sliding friction damping, the vibration of the floor slab can be effectively tuned, and the floor slab in the earthquake can be better protected, wherein, through setting up I-steel mounting panel 12, can install I-steel mounting panel 12 in the below of floor, and also can install I-steel mounting panel 12 in the top of floor, thereby can select suitable mounting means according to actual conditions, it is more practical when the actual installation, and, the bolt that can utilize PMKD 1 and I-steel crossbeam 10 runs through bearing board 14, thereby can be in the same place bottom plate 1, I-steel crossbeam 10 and bearing board 14 are fixed, thereby utilize bearing board 14 to play the effect of bearing to bottom plate 1, thereby can make bottom plate 1 non-deformable.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a harmonious mass damper, includes bottom plate (1), its characterized in that, bottom plate (1) has the installation component, all be fixed with hydraulic pressure viscous damper (2) on four angles of bottom plate (1), hydraulic pressure viscous damper (2) upper end is fixed with quality piece (3), quality piece (3) with be equipped with buffer (4) of quantity two between bottom plate (1), just buffer (4) are located the both ends of bottom plate (1) respectively, buffer (4) include end plate (5), the bilateral symmetry of bottom plate (1) is fixed with end plate (5), be fixed with slide bar (6) between end plate (5), slide bar (6) outer wall sliding sleeve is equipped with slider (7), slider (7) upper end all articulates there is connecting rod (8), connecting rod (8) upper end all with quality piece (3) are articulated, and springs (9) are connected between the sliding blocks (7) and the end plates (5), and the springs (9) are sleeved on the outer walls of the sliding rods (6).

2. The tuned mass damper according to claim 1, wherein the mounting assembly comprises an I-shaped steel beam (10), a connecting plate (11) and an I-shaped steel mounting plate (12), the I-shaped steel beam (10) is fixed at each of two ends of the bottom plate (1) through a bolt and a nut, the connecting plate (11) is fixed at each of two ends of the I-shaped steel beam (10) through a bolt and a nut, the I-shaped steel mounting plate (12) is fixed at one side of the connecting plate (11) far away from the bottom plate (1), and a plurality of mounting holes (13) are formed at each of the upper end and the lower end of the I-shaped steel mounting plate (12).

3. The tuned mass damper according to claim 2, characterized in that a support plate (14) matched with the base plate (1) is fixed between the i-steel cross beams (10), and two ends of the support plate (14) extend into the i-steel cross beams (10).

4. A tuned mass damper according to claim 3, wherein a plurality of first inner support plates (15) are secured to the side of the i-beam (10) remote from the support plate (14).

5. The tuned mass damper according to claim 2, wherein a second inner support plate (16) is fixed to the middle of the side of the I-steel mounting plate (12) close to the base plate (1), and a plurality of third inner support plates (17) are fixed to the side of the I-steel mounting plate (12) far from the base plate (1) at equal intervals.

6. The tuned mass damper according to claim 1, wherein an annular damping pad (18) is fixed to the inner wall of the slider (7), and the annular damping pad (18) is slidably connected to the slide rod (6).