CN218861807U

CN218861807U - Tuned mass energy dissipater

Info

Publication number: CN218861807U
Application number: CN202222012495.2U
Authority: CN
Inventors: 张玲花
Original assignee: Shanxi Shengzhongtian Technology Co ltd
Current assignee: Shanxi Shengzhongtian Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-04-14
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a harmonious quality energy dissipater, including but diversion damper, liftable vibration frequency adjusting part and second bumper shock absorber, but diversion damper includes biography power board, diversion bumper shock absorber and biography power base, the biography power board with evenly be equipped with a plurality ofly between the biography power base but diversion damper, but diversion damper vertical setting and its upper and lower both ends respectively with the biography power board with pass power base and rotate to connect, but liftable vibration frequency adjusting part's lower part sets up pass the cylindrical groove at power base middle part just with cylindricality tank bottom relative slip, pass the cylindrical groove inner wall that power base middle part was seted up with it is evenly equipped with a plurality ofly between liftable vibration frequency adjusting part's the lower part the second bumper shock absorber, the both ends of second bumper shock absorber respectively with the cylindrical groove inner wall with liftable vibration frequency adjusting part's lower part is articulated. The problem that the existing tuned mass energy dissipater can only consume vibration in a single direction is solved.

Description

Tuned mass energy dissipater

Technical Field

The utility model relates to a building structure shock attenuation field, more specifically say, the utility model relates to a harmonious quality energy dissipater.

Background

The tuned mass energy dissipater mainly comprises a spring, a damper and a mass block, wherein the natural vibration frequency of the tuned mass energy dissipater is adjusted by changing the mass of the mass block, so that the natural vibration frequency is close to the natural vibration frequency of the main structure, and by utilizing the characteristic that the natural vibration frequency is close to the natural vibration frequency of the main structure, when the main structure vibrates, an opposite inertia force is generated, the initiative of the main structure is converted into self vibration and consumed, and the vibration of the main structure is attenuated.

At present, the main structural forms of the tuned mass energy dissipater are divided into two types of vertical vibration resistance and horizontal vibration resistance, each type of the tuned mass energy dissipater can only consume vibration in a corresponding direction, the function is single, but when a building is vibrated, the vibration direction is not single, the tuned mass energy dissipater in the two structural forms needs to be additionally installed in the building to meet the vibration reduction requirement of the building, and the installation workload and the installation cost are increased. Therefore, the utility model provides a harmonious mass energy dissipater solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

1. Solves the technical problem

The utility model provides a harmonious quality energy dissipater has solved present harmonious quality energy dissipater and can only consume the problem of single direction vibration.

2. Technical scheme

In order to achieve the above object, the utility model provides a harmonious mass energy dissipater, including but diversion damper assembly, liftable vibration frequency adjusting part and second bumper shock absorber, but diversion damper assembly includes biography power board, diversion bumper shock absorber and biography power base, the biography power board with evenly be equipped with a plurality ofly between the biography power base but diversion damper, but diversion damper vertical setting and both ends about it respectively with the biography power board with it rotates to pass the power base and connects, the cylindrical slot has been seted up at biography power base middle part, but liftable vibration frequency adjusting part's upper portion with biography power board fixed connection, but liftable vibration frequency adjusting part's lower part sets up pass the cylindrical slot at power base middle part and with cylindrical slot bottom relative slip, the cylindrical slot inner wall that biography power base middle part was seted up with evenly be equipped with a plurality ofly between liftable vibration frequency adjusting part's the lower part the second bumper shock absorber, second bumper shock absorber level sets up, the both ends of second bumper shock absorber respectively with the cylindrical slot inner wall that the base middle part was seted up with but the lower part of pass power groove and the liftable vibration frequency adjusting part is articulated.

By adopting the technical scheme, when the structure generates vertical vibration, the force transmission plate transmits vibration load to the direction-changeable shock absorber, the shock absorber absorbs the vertical vibration load, the upper part of the liftable vibration frequency adjusting assembly is fixedly connected with the force transmission plate, the lower part of the liftable vibration frequency adjusting assembly is hinged with the force transmission base through the plurality of second shock absorbers, and the plurality of second shock absorbers play a role in limiting because no vibration load exists in the horizontal direction, so that the liftable vibration frequency adjusting assembly cannot move in the horizontal direction, and the direction-changeable shock absorber keeps vertical; when the structure vibrates in the horizontal direction, the structure drives the force transmission plate to vibrate in the horizontal direction, the direction-changeable shock absorber moves along with the force transmission plate and absorbs part of shock load, the second shock absorber is horizontally arranged, the force transmission plate transmits the shock load in the horizontal direction to the liftable shock frequency adjusting assembly, the liftable shock frequency adjusting assembly transmits the shock load in the horizontal direction to the second shock absorber, and the second shock absorber absorbs the shock load in the horizontal direction; when the structure is vibrated in the horizontal direction and the vertical direction at the same time, the direction-variable shock absorber and the second shock absorber act together to absorb the vibration loads in the horizontal direction and the vertical direction. The tuned mass energy dissipater can absorb vibration loads in the horizontal direction and the vertical direction simultaneously, the two types of energy dissipaters do not need to be installed in a building structure, and the installation workload and the installation cost are reduced.

Preferably, the direction-variable shock absorber comprises a first shock absorber and two universal balls, the universal balls are fixedly connected to the upper end and the lower end of the first shock absorber respectively through connecting rods, and the direction-variable shock absorber is rotatably connected with the force transfer plate and the force transfer base through the upper universal ball and the lower universal ball.

By adopting the technical scheme, the direction-changeable shock absorber is rotatably connected with the force transmission plate and the force transmission base through the universal ball, when the structure is vibrated in the horizontal direction, the direction-changeable shock absorber cannot limit the relative movement of the force transmission plate and the force transmission base in the horizontal direction, and can be well matched with the second shock absorber to absorb the vibration load in the horizontal direction of the structure.

The preferred, liftable frequency of vibration adjusting part includes quality body, lift post and cylinder body, the circular port has been seted up at the middle part of connecting plate, the quality body is cylindrical, the top fixed mounting of quality body is in the circular port at connecting plate middle part, the bottom of quality body with lift capital end fixed connection and the two coaxial setting, the bottom sliding connection of lift post is in the cylinder body, the cylinder body sets up the cylindrical slot that power base middle part was seted up, the bottom surface and the cylindricality tank bottom relative slip of cylinder body are a plurality of the both ends of second bumper shock absorber respectively with the cylinder body lateral wall with the cylindrical slot inner wall that power base middle part was seted up is articulated.

Adopt above-mentioned technical scheme, when the structure received vertical load, the biography power board can drive the up-and-down motion of quality body, and the both ends of a plurality of second bumper shock absorbers are articulated with cylinder body lateral wall and the cylindrical groove inner wall that passes power base middle part and set up respectively, and when the structure received the ascending vibrations of arbitrary horizontal direction, a plurality of second bumper shock absorbers combined action will be arbitrary horizontal direction ascending vibrations load absorption.

Preferably, the cylindrical grooves formed in the force transmission base are cylindrical grooves, the axis of each cylindrical groove is coincident with the axial direction of the cylinder body, and the at least four second shock absorbers are uniformly arranged between the cylindrical grooves in the middle of the force transmission base and the cylinder body.

By adopting the technical scheme, when the structure is subjected to vibration loads in different directions, the energy dissipater can be kept stable and stressed uniformly, and the anti-seismic performance of the building structure is improved.

Preferably, the mass body comprises a bearing steel cylinder and a mass adjusting disc, the bearing steel cylinder is a cylindrical cylinder, the mass adjusting disc is a circular disc, the diameter of the mass adjusting disc is matched with the inner diameter of the bearing steel cylinder, and the mass adjusting disc is arranged in the bearing steel cylinder.

By adopting the technical scheme, when the structure is vibrated, the mass of the tuned mass body can be adjusted according to the weight of the structure, and the mass of the tuned mass body can be adjusted through the number of the mass adjusting discs arranged in the bearing steel cylinder, so that the vibration frequency of the tuned mass energy dissipater is consistent or close to that of the structure, and the optimal damping effect is achieved.

Preferably, the mass adjusting disc comprises a tray and a mass disc, the mass disc is arranged in the tray and consists of a plurality of annular mass discs with different diameters, the annular mass discs with different diameters are nested from small to large in sequence, and each annular mass disc is provided with a plurality of limiting holes.

By adopting the technical scheme, the mass of a single mass adjusting disc is changed by increasing or reducing the number of the annular mass discs, so that the mass of the tuned mass energy dissipater can be adjusted more accurately, and the vibration frequency of the tuned mass energy dissipater is closer to that of the structure.

Preferably, the tray includes outer wall, gag lever post, shadoof, bottom plate and inner wall, the outer wall with the inner wall sets up with one heart and fixed connection is in the bottom plate upper surface, the gag lever post is equipped with a plurality of and fixed connection and is in the bottom plate upper surface, the gag lever post sets up the outer wall with between the inner wall, shadoof fixed connection is in the inner wall medial surface, the gag lever post with the corresponding setting in spacing hole on the annular mass dish.

By adopting the technical scheme, when the tuned mass energy dissipater is vibrated, the limiting rod can prevent the annular mass disc from moving in the tray to change the vibration frequency of the tuned mass energy dissipater, so that the vibration absorption performance of the tuned mass energy dissipater is reduced, and the mass adjusting disc can be conveniently taken out by arranging the lifting rod.

Preferably, the force transmission device further comprises two connecting plates which are arranged in parallel up and down, the upper connecting plate is fixedly arranged on the upper surface of the force transmission plate, and the lower connecting plate is fixedly arranged on the bottom surface of the force transmission base.

Adopt above-mentioned technical scheme, the upper portion connecting plate can seal the circular port in dowel steel middle part, prevents the mass dish roll-off, and harmonious mass energy dissipater can be through upper and lower connecting plate and superstructure and substructure fixed connection.

The utility model discloses following beneficial effect has: when the structure generates vertical vibration, the force transmission plate transmits vibration load to the direction-changeable shock absorbers, the shock absorbers absorb the vertical vibration load, the upper parts of the liftable vibration frequency adjusting components are fixedly connected with the force transmission plate, the lower parts of the liftable vibration frequency adjusting components are hinged with the force transmission base through a plurality of second shock absorbers, and the plurality of second shock absorbers play a role in limiting due to the fact that no vibration load exists in the horizontal direction, so that the liftable vibration frequency adjusting components cannot move in the horizontal direction, and the direction-changeable shock absorbers are kept vertical; when the structure is vibrated in any horizontal direction, the structure drives the force transmission plate to vibrate in the horizontal direction, the direction-changeable shock absorbers move along with the force transmission plate and absorb part of shock loads, the second shock absorbers are horizontally arranged, the force transmission plate transmits the shock loads in the horizontal direction to the liftable shock frequency adjusting assembly, the liftable shock frequency adjusting assembly transmits the shock loads in the horizontal direction to the second shock absorbers, and the plurality of second shock absorbers act together to absorb the shock loads in any horizontal direction; when the structure is vibrated in the horizontal direction and the vertical direction at the same time, the direction-variable shock absorbers and the second shock absorbers act together to absorb the vibration loads in the horizontal direction and the vertical direction. The tuned mass energy dissipater can absorb vibration loads in the horizontal direction and the vertical direction at the same time, two types of energy dissipaters do not need to be installed in a building structure, and installation workload and installation cost are reduced; when the structure is vibrated, the mass of the tuned mass body can be adjusted according to the weight of the structure, the mass of the mass body can be adjusted through the number of the mass adjusting disks arranged in the bearing steel cylinder, the mass of the tuned mass body can be changed by increasing or reducing the number of the annular mass disks, and the vibration frequency of the tuned mass energy dissipater is consistent or close to that of the structure, so that the optimal damping effect is achieved, and the tuned mass energy dissipater can adapt to the vibration frequency of multiple structures.

Drawings

Fig. 1 is a schematic view of the overall structure of a tuned mass energy dissipater according to the present invention;

figure 2 is a partial sectional elevation view of a tuned mass dissipater in accordance with the present invention;

figure 3 is a diagram illustrating mass adjustment of a tuned mass dissipater in accordance with the present invention;

figure 4 is a schematic view of the connection between the cylinder body and the force transmission base of a tuned mass energy dissipater according to the present invention;

figure 5 is a schematic view of a first damper assembly of a tuned mass dissipater in accordance with the present invention.

In figure 1, a connecting plate; 2. sinking the bolt; 3. a force transmission plate; 4. a first shock absorber assembly; 401. a first shock absorber; 402. a universal ball; 5. a force transfer base; 6. a second shock absorber; 7. a liftable vibration frequency adjusting component; 701. a load bearing steel cylinder; 702. a lifting column; 703. a cylinder body; 704. a mass adjustment dial; 7041. an outer wall; 7042. a limiting rod; 7043. lifting a rod; 7044. a quality disc; 7045. a base plate; 7046. an inner wall.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.

The utility model provides a tuned mass energy dissipater, as shown in figure 1, comprising a direction-changeable shock absorption assembly, a liftable shock frequency adjusting assembly 7, a second shock absorber 6 and a connecting plate 1, wherein the direction-changeable shock absorption assembly comprises a force transmission plate 3, direction-changeable shock absorbers and a force transmission base 5, the connecting plate 1 is arranged in parallel up and down, the upper connecting plate 1 is fixedly arranged on the upper surface of the force transmission plate 3 through a sinking bolt 2, the lower connecting plate 1 is fixedly arranged on the bottom surface of the force transmission base 5 through a sinking bolt 2, as shown in figure 5, the direction-changeable shock absorbers comprise a first shock absorber 401 and a universal ball 402, the universal ball 402 is arranged in two, the universal ball 402 is respectively and fixedly connected with the upper end and the lower end of the first shock absorber 401 through a connecting rod, as shown in figure 1, the cross-sectional shapes of the force transmission plate 3 and the force transmission base 5 are rectangular, a plurality of direction-changeable shock absorbers are arranged between the force transmission plate 3 and the force transmission base 5 and are distributed at the four corners of the force transmission plate, the direction-changeable shock absorber is rotationally connected with the force transmission plate 3 and the force transmission base 5 through an upper universal ball 402 and a lower universal ball 402, a cylindrical groove is formed in the middle of the force transmission base 5, as shown in fig. 2, the liftable vibration frequency adjusting assembly 7 comprises a mass body, a lifting column 702 and a cylinder body 703, a circular hole is formed in the middle of the connecting plate 1, the mass body is cylindrical, the top end of the mass body is fixedly installed in the circular hole in the middle of the connecting plate 1, the bottom end of the mass body is fixedly connected with the top end of the lifting column 702 and coaxially arranged with the lifting column 702, the bottom end of the lifting column 702 is slidably connected in the cylinder body 703, the cylinder body 703 is arranged in the cylindrical groove formed in the middle of the force transmission base 5, the axis of the cylindrical groove is coincident with the axial direction of the cylinder body 703, as shown in fig. 4, the bottom surface of the cylinder body 703 slides relative to the bottom of the cylindrical groove, and two ends of the second shock absorbers 6 are respectively hinged to the outer side wall of the cylinder body 703 and the inner wall of the cylindrical groove formed in the middle of the force transmission base 5.

As shown in fig. 4, the second dampers 6 are at least four and are uniformly arranged between the cylindrical grooves in the middle of the force transmission base 5 and the cylinder body 703, and six second dampers can be arranged, so that the tuned mass energy dissipater is more stable.

As shown in fig. 2 and 3, the mass body includes a bearing steel cylinder 701 and a mass adjusting disk 704, the bearing steel cylinder 701 is a cylindrical cylinder, the mass adjusting disk 704 is a circular disk, the diameter of the mass adjusting disk is matched with the inner diameter of the bearing steel cylinder 701, the mass adjusting disk 704 includes a tray and a mass disk 7044, the tray includes an outer wall 7041, a limiting rod 7042, a lifting rod 7043, a bottom plate 7045 and an inner wall 7046, the outer wall 7041 and the inner wall 7046 are concentrically arranged and fixedly connected to the upper surface of the bottom plate 7045, the limiting rod 7042 is provided with a plurality of annular mass disks 7044, the limiting rod 7042 is arranged between the outer wall 7041 and the inner wall 7046, the lifting rod 7043 is fixedly connected to the inner side surface of the inner wall 7046, the limiting rod 7042 is arranged corresponding to limiting holes on the annular mass disks, the mass disks 7044 are arranged in the tray, the mass disks 7044 are composed of a plurality of annular mass disks 7044 with different diameters, the annular mass disks 7 with different diameters are sequentially nested from small to large, and each annular mass disk is provided with a plurality of limiting holes.

By adopting the utility model, when the structure generates vertical vibration, the force transmission plate 3 transmits the vibration load to the direction-changeable shock absorber, the shock absorber absorbs the vertical vibration load, the upper part of the liftable vibration frequency adjusting component 7 is fixedly connected with the force transmission plate 3, the lower part of the liftable vibration frequency adjusting component 7 is hinged with the force transmission base 5 through the plurality of second shock absorbers 6, and the plurality of second shock absorbers 6 play a limiting role because the horizontal direction has no vibration load, so that the liftable vibration frequency adjusting component 7 can not move in the horizontal direction, and the direction-changeable shock absorber keeps vertical; when the structure is vibrated in any horizontal direction, the structure drives the force transfer plate 3 to vibrate in the horizontal direction, the direction-changeable shock absorbers move along with the force transfer plate 3 and absorb part of shock loads, the second shock absorbers 6 are horizontally arranged, the force transfer plate 3 transfers the shock loads in the horizontal direction to the liftable shock frequency adjusting component 7, the liftable shock frequency adjusting component 7 transfers the shock loads in the horizontal direction to the second shock absorbers 6, and the second shock absorbers 6 jointly act to absorb the shock loads in any horizontal direction; when the structure is subjected to vibration in the horizontal direction and the vertical direction at the same time, the direction-changeable shock absorbers and the plurality of second shock absorbers 6 act together to absorb the vibration load in the horizontal direction and the vertical direction; the direction-changeable shock absorber is rotationally connected with the force transfer plate 3 and the force transfer base 5 through the universal ball 402, when the structure is vibrated in the horizontal direction, the direction-changeable shock absorber cannot limit the relative movement of the force transfer plate 3 and the force transfer base 5 in the horizontal direction, and can be well matched with the second shock absorber 6 to absorb the vibration load of the structure in the horizontal direction; the tuned mass energy dissipater can adjust the mass of the tuned mass body according to the weight of the structure, and the mass of the mass body can be adjusted through the number of mass adjusting discs 704 arranged in the bearing steel cylinder 701, so that the vibration frequency of the tuned mass energy dissipater is consistent with or close to that of the structure, and the optimal damping effect is achieved; the mass of a single mass adjustment disc 704 is changed by increasing or decreasing the number of annular mass discs 704, so that the mass of the tuned mass dissipater can be adjusted more accurately, and the vibration frequency of the tuned mass dissipater is closer to that of the structure; when the tuned mass dissipater is vibrated, the limiting rod 7042 can prevent the annular mass plate from moving in the tray to change the vibration frequency of the tuned mass dissipater, so that the vibration reduction performance of the tuned mass dissipater is reduced, and the mass adjusting plate 704 can be conveniently taken out by arranging the lifting rod 7043.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, particular embodiments, and examples, but rather to those skilled in the art, and it is to be understood that the invention is not limited to the details shown and described, since various modifications may be made without departing in any way from the spirit and scope of the appended claims and their equivalents.

Claims

1. A tuned mass dissipater, comprising: but to damper assembly, liftable vibration frequency adjusting part (7) and second bumper shock absorber (6), but the diversion damper assembly includes biography power board (3), but diversion bumper shock absorber and biography power base (5), biography power board (3) with evenly be equipped with a plurality ofly between biography power base (5) but diversion bumper shock absorber, but the vertical setting of diversion bumper shock absorber and both ends about it respectively with biography power board (3) with pass power base (5) and rotate the connection, the cylindricality groove has been seted up at biography power base (5) middle part, the upper portion of liftable vibration frequency adjusting part (7) with biography power board (3) fixed connection, the lower part setting of liftable vibration frequency adjusting part (7) is in the cylindricality inslot at biography power base (5) middle part and with cylindricality tank bottom relative slip, the cylindricality inslot wall that biography power base (5) middle part was seted up with evenly be equipped with a plurality ofly between the lower part of liftable vibration frequency adjusting part (7) second bumper shock absorber (6), second bumper shock absorber (6) level sets up, second bumper shock absorber (6) the lower part with the articulated the inner wall of liftable vibration frequency adjusting part (7) is seted up respectively.

2. A tuned mass dissipater as claimed in claim 1, wherein the variable direction damper comprises a first damper (401) and two universal balls (402), the two universal balls (402) being provided, the universal balls (402) being fixedly connected to the upper and lower ends of the first damper (401) by connecting rods, respectively, and the variable direction damper being rotatably connected to the force transfer plate (3) and the force transfer base (5) by the upper and lower universal balls (402).

3. The tuned mass energy dissipater according to claim 1, wherein the liftable vibration frequency adjusting assembly (7) comprises a mass body, a lifting column (702) and a cylinder body (703), a circular hole is formed in the middle of the connecting plate (1), the mass body is cylindrical, the top end of the mass body is fixedly mounted in the circular hole in the middle of the connecting plate (1), the bottom end of the mass body is fixedly connected with the top end of the lifting column (702) and coaxially arranged with the lifting column (702), the bottom end of the lifting column (702) is slidably connected in the cylinder body (703), the cylinder body (703) is arranged in a cylindrical groove formed in the middle of the force transmission base (5), the bottom surface of the cylinder body (703) slides relative to the bottom of the cylindrical groove, and two ends of the second dampers (6) are respectively hinged to the outer side wall of the cylinder body (703) and the inner wall of the cylindrical groove formed in the middle of the force transmission base (5).

4. A tuned mass dissipater as claimed in claim 3, wherein the cylindrical channel formed in the force transfer base (5) is a cylindrical channel whose axis coincides with the axis of the cylinder (703), and the second dampers (6) are provided in at least four and evenly spaced relationship between the cylindrical channel in the centre of the force transfer base (5) and the cylinder (703).

5. A tuned mass dissipater according to claim 3, wherein the mass comprises a load bearing steel cylinder (701) and a mass adjusting disc (704), the load bearing steel cylinder (701) being a cylindrical cylinder, the mass adjusting disc (704) being a circular disc and having a diameter matching the internal diameter of the load bearing steel cylinder (701), the mass adjusting disc (704) being disposed within the load bearing steel cylinder (701).

6. A tuned mass dissipater according to claim 5, wherein the mass adjustment discs (704) comprise a tray and a mass disc (7044), the mass disc (7044) being disposed within the tray, the mass disc (7044) comprising a plurality of annular mass discs of different diameters, the annular mass discs of different diameters being nested one within the other from smaller to larger, each annular mass disc being provided with a plurality of retaining holes.

7. A tuned mass dissipater according to claim 6, wherein the tray comprises an outer wall (7041), a retaining bar (7042), a lifting bar (7043), a base plate (7045) and an inner wall (7046), the outer wall (7041) and the inner wall (7046) are arranged concentrically and fixedly connected to the upper surface of the base plate (7045), the retaining bar (7042) is provided with a plurality of retaining bars and fixedly connected to the upper surface of the base plate (7045), the retaining bar (7042) is arranged between the outer wall (7041) and the inner wall (7046), the lifting bar (7043) is fixedly connected to the inner surface of the inner wall (7046), and the retaining bar (7042) is arranged in correspondence with retaining holes in the annular mass disc (7044).

8. A tuned mass dissipater according to claim 1, further comprising two connecting plates (1), the connecting plates (1) being arranged in parallel one above the other, the upper connecting plate (1) being fixedly mounted to the upper surface of the force transfer plate (3) and the lower connecting plate (1) being fixedly mounted to the underside of the force transfer base (5).