Suspension type tuned mass damper

Abstract

The utility model discloses a suspension type tuned mass damper which comprises a limiting sleeve installed on a building main body structure and a damper body installed on the building main body structure through a suspension pipe, the damper body is located in the limiting sleeve, and a plurality of buffering material layers are arranged on the circumferential inner wall of the limiting sleeve. The multiple buffering material layers are distributed in a circular mode in a vertically symmetrical mode, notches are formed in one sides of the multiple buffering material layers, a circular clamping frame is fixedly connected to the circumferential inner wall of the limiting sleeve, the clamping frame is connected with the notches in a clamped mode, and multiple guide rods are fixedly connected to the circumferential inner wall of the limiting sleeve; and the plurality of guide rods are uniformly and symmetrically distributed at the top and the bottom of the buffer material layer. The buffer material layer can be conveniently dismounted, the dismounting efficiency of the buffer material layer is improved, the buffer material layer can be positioned and mounted, and the mounting stability of the buffer material layer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dampers, in particular to a suspended tuned mass damper. Background Art

[0002] A tuned mass damper is an energy-absorbing device that consists of a mass block, a spring, and a damping system. By adjusting the vibration frequency of the tuned mass damper to near the main structure frequency, the structural resonance characteristics can be changed to achieve the effect of vibration reduction.

[0003] After searching, the Chinese patent with publication number CN206681188U discloses a suspended tuned mass damper, including a suspension tube and a damper body, the upper end of the suspension tube is hinged on the main structure of the building, so that the tuned mass collision damper has greater advantages than the traditional single energy dissipation principle vibration damper. However, there are still the following defects: the buffering effect of the buffer material layer will be greatly reduced after long-term use, and the buffer material layer is not easy to disassemble, thereby greatly reducing the replacement efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a suspended tuned mass damper.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A suspended tuned mass damper comprises a limiting sleeve installed on a main structure of a building and a damper body installed on the main structure of the building through a suspension pipe, the damper body being located in the limiting sleeve, a plurality of buffer material layers being provided on the circumferential inner wall of the limiting sleeve, the plurality of buffer material layers being symmetrically distributed in a circle up and down, a plurality of buffer material layers being provided with slots on one side, a circular clamping frame being fixedly connected to the circumferential inner wall of the limiting sleeve, the clamping frame being clamped with the slots, a plurality of guide rods being fixedly connected to the circumferential inner wall of the limiting sleeve, the plurality of guide rods being evenly and symmetrically distributed on the top and bottom of the buffer material layer, a pressure plate for clamping the buffer material layer being slidably connected to the outer sides of the adjacent plurality of guide rods, and a limiting assembly for fixing the pressure plate being provided on one side of the plurality of guide rods.

[0007] As a further solution of the utility model, the limiting assembly includes a plurality of open second slots, and the plurality of second slots are respectively opened on one side of the plurality of guide rods near the bottom, and the plurality of second slots are each inserted with an insertion rod, and one side of the pressure plate is fixedly connected with a plurality of fixing blocks, and the plurality of insertion rods respectively pass through the plurality of fixing blocks, and one side of the plurality of insertion rods is provided with an open rotating hole, and a connecting shaft is rotatably connected in the rotating hole, and one end of the connecting shaft is fixedly connected with a protrusion in a vertical state to resist the insertion rod, and the length of the protrusion is less than or equal to the length of the insertion rod, and the outer side of the insertion rod is fixedly connected with a retaining ring to limit the insertion rod.

[0008] As a further solution of the utility model, a torsion spring is sleeved on the circumferential outer wall of the connecting shaft, and two ends of the torsion spring are respectively fixed to the connecting shaft and the insertion rod.

[0009] As a further solution of the utility model, an open first slot is provided at a position near the top on one side of the plurality of guide rods, and the insertion rod can be plugged into the first slot, so that the pressure plate can be fixed after being moved.

[0010] As a further solution of the utility model, a plurality of limiting rods are fixedly connected to one side of the pressure plate, and two grooves are provided on one side of the plurality of buffer material layers away from the notch, and the limiting rods are plugged into the grooves.

[0011] As a further solution of the utility model, the top and the bottom of the card frame are both provided with inclined surfaces.

[0012] As a further solution of the present invention, the buffer material layer is made of rubber.

[0013] The beneficial effects of the utility model are:

[0014] 1. The buffer material layer is clamped by the pressure plate, and the buffer material layer is installed inside the limit sleeve in a detachable manner. When replacement is required, the pressure plate no longer clamps the buffer material layer, and the buffer material layer can be removed at this time, thereby improving the efficiency of removing the buffer material layer.

[0015] 2. Through the setting of the limiting rod and the groove, when the pressure plate clamps the buffer material layer, the limiting rod will be inserted into the groove, so as to position and install the buffer material layer, thereby improving the stability of the installation of the buffer material layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural schematic diagram of a suspended tuned mass damper proposed by the utility model;

[0017] Figure 2 A schematic cross-sectional view of the limit sleeve structure of a suspended tuned mass damper proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the enlarged structure of part A of a suspended tuned mass damper proposed by the utility model;

[0019] Figure 4 A schematic cross-sectional view of the guide rod structure of a suspended tuned mass damper proposed by the utility model;

[0020] Figure 5 The utility model provides a schematic cross-sectional structure diagram of a buffer material layer of a suspended tuned mass damper.

[0021] In the figure: 1. limit sleeve; 2. guide rod; 3. notch; 4. bracket; 5. damper body; 6. buffer material layer; 7. pressure plate; 8. torsion spring; 9. fixing block; 10. retaining ring; 11. connecting shaft; 12. insertion rod; 13. first slot; 14. second slot; 15. protrusion; 16. limit rod; 17. groove; 18. inclined surface. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 5 A suspended tuned mass damper comprises a limiting sleeve 1 installed on a main structure of a building and a damper body 5 installed on the main structure of the building through a suspension pipe, the damper body 5 is located in the limiting sleeve 1, a plurality of buffer material layers 6 are arranged on the circumferential inner wall of the limiting sleeve 1, the plurality of buffer material layers 6 are symmetrically distributed in a circle, a notch 3 is opened on one side of the plurality of buffer material layers 6, a circular clamping frame 4 is welded on the circumferential inner wall of the limiting sleeve 1, the clamping frame 4 is clamped with the notch 3, a plurality of guide rods 2 are welded on the circumferential inner wall of the limiting sleeve 1, and the plurality of guide rods 2 are welded on the circumferential inner wall of the limiting sleeve Evenly and symmetrically distributed on the top and bottom of the buffer material layer 6, the outer sides of the adjacent multiple guide rods 2 are slidably connected with a pressure plate 7 for clamping the buffer material layer 6, and one side of the multiple guide rods 2 is provided with a limiting component for fixing the pressure plate 7. When the limiting component no longer fixes the pressure plate 7, the pressure plate 7 can be moved along the guide rod 2 so that the pressure plate 7 no longer clamps the buffer material layer 6. Then, the buffer material layer 6 can be removed from the bracket 4, which facilitates the disassembly of the buffer material layer 6 and improves the efficiency of disassembly of the buffer material layer 6.

[0024] In the present invention, the limiting assembly includes a plurality of open second slots 14, and the plurality of second slots 14 are respectively opened at positions near the bottom of one side of the plurality of guide rods 2, and the plurality of second slots 14 are all inserted with plug rods 12, and a plurality of fixing blocks 9 are welded on one side of the pressure plate 7, and the plurality of plug rods 12 respectively pass through the plurality of fixing blocks 9, and an open rotating hole is opened on one side of the plurality of plug rods 12, and a connecting shaft 11 is rotatably connected in the rotating hole, and a protrusion 15 is welded at one end of the connecting shaft 11 for resisting the plug rod 12 in a vertical state, and the length of the protrusion 15 is less than or equal to the length of the plug rod 12, and a retaining ring 10 for limiting the plug rod 12 is welded on the outer side of the plug rod 12, and the connecting shaft 11 is rotated, and the connecting shaft 11 will drive the protrusion 15 to rotate, and the protrusion 15 is rotated to a horizontal state flush with the plug rod 12, at which time the protrusion 15 no longer resists the plug rod 12, and the pressure plate 7 can be moved;

[0025] The circumferential outer wall of the connecting shaft 11 is sleeved with a torsion spring 8, and the two ends of the torsion spring 8 are respectively fixed to the connecting shaft 11 and the insertion rod 12. The connecting shaft 11 will cause the torsion spring 8 to generate torque during rotation, and the connecting shaft 11 can be reversed and reset by the force of the torsion spring 8. An open first slot 13 is provided on one side of the multiple guide rods 2 near the top, and the insertion rod 12 can be plugged into the first slot 13, so that the pressure plate 7 is fixed after moving. When the pressure plate 7 moves to the pressure plate 7 and the insertion rod 12 on the pressure plate 7 is aligned with the first slot 13, the insertion rod 12 is inserted into the first slot 13, so as to fix the position of the moved pressure plate 7. A plurality of limiting rods 16 are welded on one side of the pressure plate 7. Two grooves 17 are provided on the side of the multiple buffer material layers 6 away from the notch 3, and the limiting rod 16 is plugged into the groove 17. The limiting rod 16 is inserted into the groove 17, so as to position and install the buffer material layer 6. The top and bottom of the bracket 4 are provided with inclined surfaces 18, and the buffer material layer 6 is made of rubber.

[0026] Working principle: when it is needed, rotate the connecting shaft 11, the connecting shaft 11 will drive the protrusion 15 to rotate, and rotate the protrusion 15 to a horizontal state flush with the insertion rod 12. At this time, the protrusion 15 no longer resists the insertion rod 12, and then the pressure plate 7 can be moved along the guide rod 2, so that the pressure plate 7 no longer clamps the buffer material layer 6. When the pressure plate 7 moves to the point where the insertion rod 12 on the pressure plate 7 is aligned with the first slot 13, the insertion rod 12 is inserted into the first slot 13, so as to fix the position of the moved pressure plate 7. Then the buffer material layer 6 can be removed from the bracket 4, which is convenient for removing the buffer material layer 6 and improves the efficiency of removing the buffer material layer 6.

[0027] In addition, the terms "disposed", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

Claims

1. A suspended tuned mass damper, comprising a limit sleeve (1) mounted on a main structure of a building and a damper body (5) mounted on the main structure of the building via a suspension pipe, characterized in that: The damper body (5) is located in the limiting sleeve (1), and the circumferential inner wall of the limiting sleeve (1) is provided with a plurality of buffer material layers (6), and the plurality of buffer material layers (6) are symmetrically distributed in a circle from top to bottom, and one side of the plurality of buffer material layers (6) is provided with a slot (3), and the circumferential inner wall of the limiting sleeve (1) is fixedly connected with a circular clamping frame (4), and the clamping frame (4) is clamped with the slot (3), and the circumferential inner wall of the limiting sleeve (1) is fixedly connected with a plurality of guide rods (2), and the plurality of guide rods (2) are evenly and symmetrically distributed at the top and bottom of the buffer material layer (6), and the outer sides of the adjacent plurality of guide rods (2) are slidably connected with a pressure plate (7) for clamping the buffer material layer (6), and one side of the plurality of guide rods (2) is provided with a limiting component for fixing the pressure plate (7).

2. A suspended tuned mass damper according to claim 1, characterized in that: The limiting assembly comprises a plurality of open second slots (14), wherein the plurality of second slots (14) are respectively arranged at positions near the bottom of one side of the plurality of guide rods (2), and an insertion rod (12) is inserted into each of the plurality of second slots (14). A plurality of fixing blocks (9) are fixedly connected to one side of the pressure plate (7), and the plurality of insertion rods (12) respectively pass through the plurality of fixing blocks (9). An open rotating hole is arranged on one side of the plurality of insertion rods (12), and a connecting shaft (11) is rotatably connected in the rotating hole. A protrusion (15) for blocking the insertion rod (12) in a vertical state is fixedly connected to one end of the connecting shaft (11), and the length of the protrusion (15) is less than or equal to the length of the insertion rod (12). A retaining ring (10) for limiting the insertion rod (12) is fixedly connected to the outer side of the insertion rod (12).

3. A suspended tuned mass damper according to claim 2, characterized in that: A torsion spring (8) is sleeved on the circumferential outer wall of the connecting shaft (11), and two ends of the torsion spring (8) are respectively fixed to the connecting shaft (11) and the insertion rod (12).

4. A suspended tuned mass damper according to claim 2, characterized in that: An open first slot (13) is provided at a position near the top of one side of the plurality of guide rods (2), and the insertion rod (12) can be plugged into the first slot (13), so that the pressure plate (7) is fixed after being moved.

5. A suspended tuned mass damper according to claim 1, characterized in that: A plurality of limiting rods (16) are fixedly connected to one side of the pressure plate (7), and two grooves (17) are provided on one side of the plurality of buffer material layers (6) away from the notch (3), and the limiting rods (16) are plugged into the grooves (17).

6. A suspended tuned mass damper according to claim 1, characterized in that: The top and bottom of the card frame (4) are both provided with inclined surfaces (18).

7. A suspended tuned mass damper according to claim 1, characterized in that: The buffer material layer (6) is made of rubber.

Images