CN221299924U - A large-tonnage composite viscoelastic damper - Google Patents

Abstract

The utility model relates to the technical field of dampers and discloses a large-tonnage composite viscoelastic damper which comprises a mounting seat, wherein a shell is fixedly connected to the upper surface of the mounting seat, a supporting rod penetrates through the interior of the shell, the top of the supporting rod is connected with a top plate through a movable mechanism, and a damping mechanism is arranged in the interior of the shell. Through when the building received vertical impact, roof extrusion rubber and bracing piece for drive the baffle behind the first spring of bracing piece extrusion and move downwards, dispel the energy through the viscoelastic damping piece, extrusion second spring simultaneously, make second spring extrusion backup pad again, the energy dissipation of rethread soft power consumption board is damped, when the building received side direction impact, also accessible fixed block, connecting block and pivot rotate the back and carry out the shock attenuation, prevent too big torsional support pole of side direction impact force, this design enables the building and carries out side direction shock attenuation, prevent the too big torsional support pole of impact force, have and provide stability, reduce vibration, protection architecture and improvement security.

Description

A large-tonnage composite viscoelastic damper

Technical Field

The utility model relates to the technical field of dampers, in particular to a large-tonnage composite viscoelastic damper.

Background technique

At present, large-tonnage composite viscoelastic damper is a device used for shock absorption and damping, which is widely used in large structures such as buildings, bridges, and ships. It is composed of multiple layers of materials, including metal materials, rubber materials, and viscous materials.

A Chinese utility model patent with announcement number CN206267010U discloses a large-tonnage multi-directional energy-absorbing damper that can resist impact. The device is composed of a bottom plate, an impedance plate, a side plate, a top plate, a transmission bracket and an upper connecting plate. The impedance plate is built into a steel box body formed by welding the bottom plate, the side plate and the top plate and filled with viscous liquid. The impedance plate is divided into a fixed impedance plate and a movable impedance plate. The fixed impedance plate is welded to the side plate. The movable impedance plate is connected to the upper connecting device through the transmission bracket. The movable impedance plate is provided with a shear key. The movable impedance plate is driven by the upper connecting device and the transmission bracket. The movable impedance plate moves in the viscous liquid, shearing the viscous liquid while generating a damping force.

Although the above-mentioned existing technologies can ensure the smooth conversion of the structural seismic resistance system and play a role in large-tonnage multi-directional impact resistance and energy absorption and shock absorption, when the building is subjected to lateral impact, the large-tonnage damper cannot provide sufficient damping force to reduce lateral vibration, thereby increasing the instability of the building and having a negative impact on the structural stability of the building.

Utility Model Content

In order to solve the technical problem that when a building is subjected to a lateral impact, a large-tonnage damper cannot provide sufficient damping force to reduce lateral vibration, thereby increasing the instability of the building and having a negative impact on the structural stability of the building, the utility model provides a large-tonnage composite viscoelastic damper.

The utility model is implemented by the following technical scheme: a large-tonnage composite viscoelastic damper, comprising a mounting seat, the upper surface of the mounting seat is fixedly connected to a shell, a support rod passes through the interior of the shell, the top of the support rod is connected to a top plate through a movable mechanism, the movable mechanism is used for lateral shock absorption of the support body, and a damping mechanism is arranged inside the shell for shock absorption of large-tonnage objects.

Through the above technical solution, the vibration and impact force on the structure can be effectively reduced, and the stability and safety of the structure can be improved.

As a further improvement of the above scheme, the movable mechanism includes a column fixedly connected to the top of the shell, the interior of the column is provided with rubber, the interior of the rubber is fixedly connected with a connecting rod, the connecting rod is fixedly connected to the top plate through a hinged fixed block, the top plate and the opposite surfaces of the support rod are fixedly connected with connecting blocks, and the connecting blocks are connected by a rotating shaft.

Through the above technical solution, when the building is subjected to a lateral impact, the hinged setting can be used to prevent the support rod from being twisted off due to excessive impact force, thereby affecting the normal use of the damper.

As a further improvement of the above scheme, the damping mechanism includes a partition slidably connected to the inside of the shell, the upper surface of the partition is fixedly connected to a first spring, and the lower surface of the partition is fixedly connected to a second spring, the top of the first spring is fixedly connected to a support rod, viscoelastic damping blocks are provided on the upper and lower surfaces of both ends of the partition, the bottom of the second spring is fixedly connected to a support plate, and the bottom of the support plate is fixedly connected to a soft steel energy absorption plate.

Through the above technical solution, by setting up multiple layers of damping materials, the damping and shock absorption effect is enhanced and the stability of the shock absorber is improved.

As a further improvement of the above scheme, mounting blocks are fixedly connected to both sides of the support plate, one end of the mounting block is hingedly connected to a support frame, one end of the support frame is fixedly connected to a sleeve, the inside of the sleeve is slidably connected to a guide column, and a small spring is connected between the fixed ends of the sleeve and the guide column, and the guide column runs through the small spring.

Through the above technical solution, the building is further supported and shock-absorbing, thereby enhancing the shock-absorbing effect.

As a further improvement of the above solution, a plurality of columns are provided, and the columns are respectively located at the corners of the shell to maintain the stability of the top plate.

Through the above technical solution, the building can be stably supported, so that it has good stability in both vertical and directional directions.

As a further improvement of the above solution, the mild steel energy absorbing plate is arranged in a "U" shape, and the upper and lower ends of the mild steel energy absorbing plate are simultaneously connected to the support plate and the bottom of the shell.

Through the above technical scheme, the mild steel energy-absorbing plate is made of mild steel material, has high bending ability and energy absorption capacity, has good durability and reliability, can improve the seismic performance of the structure, and reduce the risk of structural damage.

Compared with the prior art, the beneficial effects of the present invention are:

The utility model can achieve that when the building is subjected to vertical impact, the top plate squeezes the rubber and the support rod, so that the support rod squeezes the first spring and then drives the partition plate to move downward, dissipates energy through the viscoelastic damping block, and squeezes the second spring at the same time, and then the second spring squeezes the support plate, and again dissipates energy through the soft energy-absorbing plate to reduce shock, and the support plate drives the installation block to move while moving downward, and drives the sleeve to slide on the guide column through the support frame, and further buffers again through the small spring to improve the shock-absorbing effect, and when the building is subjected to lateral impact, it can also reduce shock after the fixed block, the connecting block and the rotating shaft are rotated to prevent the support rod from being broken due to excessive lateral impact force. The utility model can make the building perform lateral shock reduction and prevent the support rod from being broken due to excessive impact force, and has the advantages of providing stability, reducing vibration, protecting structure and improving safety.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic diagram of the internal structure of the utility model;

FIG3 is an enlarged structural schematic diagram of point A in FIG2 of the present invention.

Description of main symbols:

1. Mounting seat; 2. Shell; 3. Support rod; 4. Top plate; 5. Connecting block; 6. Rotating shaft; 7. Column; 8. Rubber; 9. Connecting rod; 10. Fixed block; 11. Partition; 12. First spring; 13. Viscoelastic damping block; 14. Second spring; 15. Support plate; 16. Soft steel energy absorption plate; 17. Mounting block; 18. Support frame; 19. Casing; 20. Guide column; 21. Small spring.

Detailed ways

The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

Embodiment 1:

Please refer to Figures 1 to 3. A large-tonnage composite viscoelastic damper of this embodiment includes a mounting base 1, a shell 2 is fixedly connected to the upper surface of the mounting base 1, a support rod 3 passes through the interior of the shell 2, and the top of the support rod 3 is connected to a top plate 4 through a movable mechanism. The movable mechanism is used for lateral shock absorption of the support body. A damping mechanism is arranged inside the shell 2 for shock absorption of large-tonnage objects.

It can effectively reduce the vibration and impact force on the structure and improve the stability and safety of the structure.

Please refer to Figure 2, the damping mechanism includes a partition 11 which is slidably connected to the inside of the shell 2, a first spring 12 is fixedly connected to the upper surface of the partition 11, and a second spring 14 is fixedly connected to the lower surface of the partition 11, the top of the first spring 12 is fixedly connected to the support rod 3, viscoelastic damping blocks 13 are provided on the upper and lower surfaces of both ends of the partition 11, the bottom of the second spring 14 is fixedly connected to the support plate 15, and the bottom of the support plate 15 is fixedly connected to a soft steel energy absorption plate 16.

By setting up multiple layers of damping materials, the damping and shock absorption effect is enhanced and the stability of the shock absorber is improved. The viscoelastic damping block 13 reduces the vibration of the structure through the viscosity and elasticity of the material. When the structure is impacted or vibrated, the viscoelastic damping block 13 can absorb and disperse energy, thereby reducing the vibration amplitude and duration of the structure.

Please refer to Figures 2 and 3. The two sides of the support plate 15 are fixedly connected with mounting blocks 17, one end of the mounting block 17 is hinged with a support frame 18, one end of the support frame 18 is fixedly connected with a sleeve 19, the inside of the sleeve 19 is slidably connected with a guide column 20, and a small spring 21 is connected between the fixed ends of the sleeve 19 and the guide column 20, and the guide column 20 runs through the small spring 21.

Further support and shock-absorbing the building to enhance the shock-absorbing effect.

2 , the mild steel energy dissipation plate 16 is arranged in a “U” shape, and the upper and lower ends of the mild steel energy dissipation plate 16 are connected to the support plate 15 and the bottom of the shell 2 at the same time.

The mild steel energy dissipation plate 16 is made of mild steel material, has high bending capacity and energy absorption capacity, good durability and reliability, can improve the seismic performance of the structure, and reduce the risk of structural damage.

Embodiment 2 is further improved on the basis of embodiment 1 in that:

Please combine Figures 1 and 2, the movable mechanism includes a column 7 fixedly connected to the top of the shell 2, a rubber 8 is provided inside the column 7, a connecting rod 9 is fixedly connected inside the rubber 8, the connecting rod 9 is fixedly connected to the top plate 4 through a hinged fixed block 10, the top plate 4 and the opposite surfaces of the support rod 3 are fixedly connected with connecting blocks 5, and the connecting blocks 5 are connected by a rotating shaft 6.

When the building is subjected to a lateral impact, a hinged setting can be used to prevent the impact from being too strong and causing the support rod to break, affecting the normal use of the damper. When there is strong wind in the use environment, the connecting part between the fixed block 10 and the connecting block 5 and the rotating shaft 6 can be replaced with a universal joint.

Please refer to FIG. 1 and FIG. 2 , a plurality of columns 7 are provided, and the columns 7 are respectively located at the corners of the housing 2 to maintain the stability of the top plate 4 .

It can stably support the building, so that it has good vertical and lateral stability.

The implementation principle of a large-tonnage composite viscoelastic damper in the embodiment of the present application is as follows: when the building is subjected to a vertical impact, the rubber 8 and the support rod 3 can be squeezed through the top plate 4, so that the support rod 3 squeezes the first spring 12 and then drives the partition 11 to move downward, and dissipates energy through the viscoelastic damping block 13, and at the same time squeezes the second spring 14, and then the second spring 14 squeezes the support plate 15, and again dissipates energy through the soft steel energy-absorbing plate 16 to reduce shock, and the support plate 15 moves downward while driving the mounting block 17 to move, and drives the sleeve 19 to slide on the guide column 20 through the support frame 18, and further buffers again through the small spring 21 to improve the shock-absorbing effect, and when the building is subjected to a lateral impact, it can also be reduced by rotating the fixed block 10, the connecting block 5 and the rotating shaft 6 to prevent the support rod 3 from being broken due to excessive lateral impact force.

The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims (6)

1. The utility model provides a compound viscoelastic damper of large-tonnage, includes mount pad (1), its characterized in that, the upper surface fixedly connected with casing (2) of mount pad (1), the inside of casing (2) is run through and is had bracing piece (3), the top of bracing piece (3) is connected with roof (4) through movable mechanism, movable mechanism is used for the side direction shock attenuation to the supporter, the inside of casing (2) is provided with damping mechanism for the shock attenuation of large-tonnage object.

2. The large-tonnage composite viscoelastic damper according to claim 1, wherein the movable mechanism comprises a column body (7) fixedly connected to the top of the shell (2), rubber (8) is arranged in the column body (7), a connecting rod (9) is fixedly connected to the inside of the rubber (8), the connecting rod (9) is fixedly connected with the top plate (4) through a hinged fixing block (10), connecting blocks (5) are fixedly connected to opposite faces of the top plate (4) and the supporting rod (3), and the connecting blocks (5) are connected through rotating shafts (6).

3. The large-tonnage composite viscoelastic damper according to claim 2, wherein the damping mechanism comprises a baffle plate (11) in sliding connection with the inside of the shell (2), a first spring (12) is fixedly connected to the upper surface of the baffle plate (11), a second spring (14) is fixedly connected to the lower surface of the baffle plate (11), a supporting rod (3) is fixedly connected to the top of the first spring (12), viscoelastic damping blocks (13) are arranged on the upper surface and the lower surface of the two ends of the baffle plate (11), a supporting plate (15) is fixedly connected to the bottom of the second spring (14), and a soft steel energy consumption plate (16) is fixedly connected to the bottom of the supporting plate (15).

4. A large tonnage compound viscoelastic damper according to claim 3, wherein, the two sides of the supporting plate (15) are fixedly connected with mounting blocks (17), one end of the mounting block (17) is hinged with a supporting frame (18), one end of the supporting frame (18) is fixedly connected with a sleeve (19), the inside of the sleeve (19) is slidingly connected with a guide post (20), a small spring (21) is connected between the sleeve (19) and the fixed end of the guide post (20), and the guide post (20) penetrates through the small spring (21).

5. A large tonnage complex viscoelastic damper according to claim 2, wherein the columns (7) are provided in plurality, and the columns (7) are respectively located at corners of the housing (2) for keeping the top plate (4) stable.

6. A large tonnage composite viscoelastic damper according to claim 3, wherein the soft steel energy consumption plate (16) is arranged in a U shape, and the upper and lower ends of the soft steel energy consumption plate (16) are simultaneously connected with the support plate (15) and the bottom of the shell (2).