CN219956846U - Device for vibration test of particle damper - Google Patents
Device for vibration test of particle damper Download PDFInfo
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- CN219956846U CN219956846U CN202321409070.3U CN202321409070U CN219956846U CN 219956846 U CN219956846 U CN 219956846U CN 202321409070 U CN202321409070 U CN 202321409070U CN 219956846 U CN219956846 U CN 219956846U
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- 239000002245 particle Substances 0.000 title claims abstract description 31
- 239000008187 granular material Substances 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model provides a device for vibration test of a particle damper, which comprises a vibration table and is characterized in that: the device also comprises a bottom plate and a frame; the bottom plate is fixedly arranged on the table top of the vibrating table; the frame comprises 2 vertical plates, the bottoms of the 2 vertical plates are fixedly arranged on the upper side surface of the bottom plate, and the 2 vertical plates are parallel to each other and are perpendicular to the bottom plate; the frame further comprises a plurality of connection plates; the single connecting plate comprises fly leaf and 2 fixed plates, and 2 fixed plates are connected with two risers respectively, and the fly leaf is connected with 2 fixed plates respectively along fore-and-aft both ends, and the fly leaf is adjustable along fore-and-aft and relative position with 2 fixed plates, be provided with the bolt hole that is used for connecting the granule attenuator on the upside of fly leaf. The device has low cost and high efficiency in vibration test of the particle damper, and can be used for testing multi-size frames and inclination angles.
Description
Technical Field
The utility model relates to the technical field of structural anti-seismic engineering, in particular to a device for a vibration test of a particle damper.
Background
Particle dampers are advanced damping devices that are filled with tiny particles in some limited enclosed space of a body structure, and consume system vibration energy through impact and friction between particles. In engineering practice, the particle damper is convenient to obtain materials, flexible to arrange, capable of being installed outside a structure and embedded in a member, and free of influencing the use of the structure. In addition, the vibration reduction frequency band of the particle damper is wide, the vibration reduction effect is not degraded with time, and the vibration peak value of the main body structure can be effectively restrained. However, the energy absorption and vibration reduction mechanism of the particle damper, particularly the impact of the arrangement of the particle damper on the vibration reduction performance of the particle damper in different structures and different positions, is still lack of related researches, and the vibration reduction mechanism of the particle damper is mainly researched through vibration tests at present. In the prior art, structural members for vibration test of the particle damper are generally integrally welded and fixed frames, the size of the frame and the arrangement position of the particle damper cannot be flexibly adjusted according to the requirements of the vibration test, vibration reduction effects of the particle damper on structural members with different sizes are tested, and the frames with multiple sizes are required to be manufactured, so that time and labor are wasted, and test cost is increased. On the other hand, the frame is generally horizontally arranged on the vibrating table, the inclination angle cannot be adjusted, and the vibration reduction and energy absorption effects of the particle damper on the inclined member cannot be tested.
Disclosure of Invention
Aiming at the problems of the background technology, the utility model provides a device for a vibration test of a particle damper, which aims to solve the problems that the size of a structural member in the vibration test of the particle damper in the prior art cannot be adjusted, the test cost is high, and the vibration reduction and energy absorption effects of the particle damper on an inclined member cannot be tested.
In order to achieve the purpose of the utility model, the utility model provides a device for a vibration test of a particle damper, which comprises a vibration table and is characterized in that: the device also comprises a bottom plate and a frame; the bottom plate is fixedly arranged on the table top of the vibrating table; the frame comprises 2 vertical plates, the bottoms of the 2 vertical plates are fixedly arranged on the upper side surface of the bottom plate, and the 2 vertical plates are parallel to each other and are perpendicular to the bottom plate;
the frame further comprises a plurality of connection plates; the single connecting plate comprises fly leaf and 2 fixed plates, and 2 fixed plates are connected with two risers respectively, and the fly leaf is connected with 2 fixed plates respectively along fore-and-aft both ends, and the fly leaf is adjustable along fore-and-aft and relative position with 2 fixed plates, be provided with the bolt hole that is used for connecting the granule attenuator on the upside of fly leaf.
Further, the device also comprises a hinged support and a bracket; the support is an L-shaped structure body and consists of a vertical plate and a transverse plate, a plurality of through holes used for being connected with the bottom plate are formed in the vertical plate, and the through holes are distributed in the circumferential direction from bottom to top; the hinged support and the bracket are respectively arranged at two ends of the bottom plate along the longitudinal direction, the bottom of the hinged support is fixedly connected with the table top of the vibrating table, the upper part of the hinged support is hinged with the end part of the bottom plate, the transverse plate is fixedly connected with the table top of the vibrating table, the end part of the bottom plate is connected with the vertical plate through any one of the through holes, and the bottom plate is connected with the vertical plate through bolts; the bottom plate is connected with the vertical plate through different through holes, and the included angle between the bottom plate and the table top of the vibrating table can be adjusted.
Further, a plurality of connecting hole groups are arranged on the upper side surface of the bottom plate, each single connecting hole group at least comprises 2 connecting holes, the plurality of connecting hole groups are distributed along the longitudinal direction of the bottom plate, and the plurality of connecting holes governed by the single connecting hole groups are distributed along the transverse direction of the bottom plate; the bottoms of the 2 vertical plates are respectively connected with the bottom plate through 2 connecting hole groups.
Further, 2 long strip hole groups are arranged on the upper side surface of the bottom plate, each single long strip hole group at least comprises 2 long strip holes, the 2 long strip hole groups are distributed along the longitudinal direction of the bottom plate, a plurality of long strip holes governed by the single long strip hole groups are distributed along the transverse direction of the bottom plate, and the length direction of each long strip hole is arranged along the longitudinal direction of the bottom plate; the bottoms of the 2 vertical plates are respectively connected with the bottom plate through 2 long strip hole groups.
The method has the following beneficial effects: because the structural member of the utility model is a frame structure, the number of the connecting plates between the 2 vertical plates can be combined according to the needs, meanwhile, each connecting plate consists of 2 fixed plates and movable plates, the position of each movable plate can be adjusted back and forth along the longitudinal direction, and the position of the particle damper arranged on the movable plate can be conveniently adjusted. As optimization, a plurality of connecting hole groups or strip hole groups are arranged on the bottom plate, the connecting positions of the 2 vertical plates on the bottom plate are adjustable, the whole frame can move and adjust longitudinally along the bottom plate so as to test the vibration reduction effect of the particle damper when the frame is at different positions on the bottom plate, and the distance between the 2 vertical plates can also be adjusted, namely, the adjustment of the size of the frame is realized, so that the vibration reduction and energy absorption effects of the particle damper on structural members with a plurality of specifications are tested. Furthermore, one end of the bottom plate is hinged with the hinged support, and the other end of the bottom plate is fixed to the bottom plate which is overturned to different heights through the support, so that adjustment of a plurality of inclination angles of the bottom plate is realized, and vibration reduction and energy absorption effects of the particle damper on structural members with different inclination angles, different layers and a plurality of sizes are tested. Moreover, the adjustment of the above-mentioned items is very convenient, save time and labor, have improved the efficiency of test preparation and test process greatly.
Drawings
The drawings of the present utility model are described below.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of the structure of the present utility model after the tilting state and the size change.
In the figure: 1. a vibration table; 2. a bottom plate; 3. a frame; 4. a hinged support; 5. a bracket; 51. a riser; 52. a cross plate; 31. a vertical plate; 32. a connecting plate; 321. a movable plate; 322. and a fixing plate.
Description of the embodiments
The utility model is further illustrated below with reference to examples.
The device for vibration test of the particle damper as shown in fig. 1 comprises a vibration table 1, a bottom plate 2 and a frame 3; the bottom plate 2 is fixedly arranged on the table top of the vibrating table 1; the bottom of the frame 3 comprises 2 vertical plates 31,2 vertical plates 31 which are fixedly arranged on the upper side surface of the bottom plate 2, and the 2 vertical plates 31 are parallel to each other and are vertical to the bottom plate 2;
the frame 3 further comprises a plurality of connection plates 32; the single connecting plate 32 comprises fly leaf 321 and 2 fixed plates 322, and 2 fixed plates 322 are connected with two riser 31 respectively, and fly leaf 321 is connected with 2 fixed plates 322 respectively along longitudinal both ends, and the relative position of fly leaf 321 along longitudinal and 2 fixed plates 322 is adjustable, be provided with the bolt hole that is used for connecting the granule attenuator on the upside of fly leaf 321. In this embodiment, the connection manner of the movable plate and the fixed plate may be conventional connection in the prior art, such as connection by bolts or buckles, and only a plurality of bolt holes or buckle holes are required to be provided on the connection portion of the fixed plate and the movable plate along the longitudinal direction according to the adjustment requirement.
In order to facilitate the adjustment of the included angle between the bottom plate and the table top of the vibrating table, the device also comprises a hinged support 4 and a bracket 5; the bracket 5 is an L-shaped structure body, the bracket 5 consists of a vertical plate 51 and a transverse plate 52, a plurality of through holes for connecting with a bottom plate are formed in the vertical plate 51, and the through holes are distributed in the circumferential direction from bottom to top; the hinged support 4 and the bracket 5 are respectively arranged at two longitudinal ends of the bottom plate 2, the bottom of the hinged support 4 is fixedly connected with the table top of the vibrating table 1, the upper part of the hinged support 4 is hinged with the end part of the bottom plate 2, the transverse plate 52 is fixedly connected with the table top of the vibrating table 1, the end part of the bottom plate 2 is connected with the vertical plate 51 through any one of the through holes, and the bottom plate 2 is connected with the vertical plate 51 through bolts; the bottom plate 2 is connected with the vertical plate 51 through different through holes, so that the included angle between the bottom plate 2 and the table top of the vibrating table 1 can be adjusted.
In order to facilitate adjustment of the distance between the two vertical plates of the frame, a plurality of connecting hole groups are arranged on the upper side surface of the bottom plate 2, each connecting hole group at least comprises 2 connecting holes, the plurality of connecting hole groups are distributed along the longitudinal direction of the bottom plate 2, and the plurality of connecting holes governed by each connecting hole group are distributed along the transverse direction of the bottom plate 2; the bottoms of the 2 vertical plates 31 are respectively connected with the bottom plate 2 through 2 connecting hole groups by bolts.
As another embodiment, in order to facilitate the adjustment of the distance between the two vertical plates of the frame, the following scheme may be adopted: the upper side surface of the bottom plate 2 is provided with 2 strip hole groups, each strip hole group at least comprises 2 strip holes, the 2 strip hole groups are distributed along the longitudinal direction of the bottom plate 2, a plurality of strip holes managed by each strip hole group are distributed along the transverse direction of the bottom plate 2, and the length direction of each strip hole is arranged along the longitudinal direction of the bottom plate 2; the bottoms of the 2 vertical plates 31 are respectively connected with the bottom plate 2 through 2 long strip hole groups by bolts.
Fig. 2 is a schematic structural diagram of the enlarged included angle between the bottom plate and the table surface of the vibrating table and the enlarged distance between the two vertical plates of the frame. In actual operation, only the angle of the bottom plate is required to be deflected, and then through holes with proper heights are selected to enable the end parts of the bottom plate to be connected with the vertical plates of the support through bolts. The distance between the two vertical plates can be adjusted through the selection of the connecting hole group or the strip hole group, and the operation is convenient and quick.
Claims (4)
1. Device for vibration testing of a particle damper, comprising a vibrating table (1), characterized in that: the device also comprises a bottom plate (2) and a frame (3); the bottom plate (2) is fixedly arranged on the table top of the vibrating table (1); the frame (3) comprises 2 vertical plates (31), the bottoms of the 2 vertical plates (31) are fixedly arranged on the upper side surface of the bottom plate (2), and the 2 vertical plates (31) are parallel to each other and are perpendicular to the bottom plate (2);
the frame (3) further comprises a plurality of connection plates (32); the single connecting plate (32) comprises fly leaf (321) and 2 fixed plates (322), and 2 fixed plates (322) are connected with two riser (31) respectively, and fly leaf (321) are connected with 2 fixed plates (322) respectively along fore-and-aft both ends, and relative position of fly leaf (321) along fore-and-aft and 2 fixed plates (322) is adjustable, be provided with the bolt hole that is used for connecting the granule attenuator on the upside of fly leaf (321).
2. The apparatus for vibration testing of a particle damper of claim 1, wherein: the device also comprises a hinged support (4) and a bracket (5); the support (5) is an L-shaped structure body, the support (5) consists of a vertical plate (51) and a transverse plate (52), a plurality of through holes for connecting with a bottom plate are formed in the vertical plate (51), and the through holes are distributed from bottom to top in the circumferential direction; the hinge support (4) and the bracket (5) are respectively arranged at two longitudinal ends of the bottom plate (2), the bottom of the hinge support (4) is fixedly connected with the table top of the vibrating table (1), the upper part of the hinge support (4) is hinged with the end part of the bottom plate (2), the transverse plate (52) is fixedly connected with the table top of the vibrating table (1), the end part of the bottom plate (2) is connected with the vertical plate (51) through any through hole, and the bottom plate (2) is connected with the vertical plate (51) through bolts; the base plate (2) is connected with the vertical plate (51) through different through holes, so that the included angle between the base plate (2) and the table top of the vibrating table (1) can be adjusted.
3. The apparatus for vibration testing of a particle damper according to claim 1 or 2, wherein: the upper side surface of the bottom plate (2) is provided with a plurality of connecting hole groups, each connecting hole group at least comprises 2 connecting holes, the plurality of connecting hole groups are distributed along the longitudinal direction of the bottom plate (2), and the plurality of connecting holes governed by each connecting hole group are distributed along the transverse direction of the bottom plate (2); the bottoms of the 2 vertical plates (31) are respectively connected with the bottom plate (2) through 2 connecting hole groups.
4. The apparatus for vibration testing of a particle damper according to claim 1 or 2, wherein: the upper side surface of the bottom plate (2) is provided with 2 strip hole groups, each strip hole group at least comprises 2 strip holes, the 2 strip hole groups are distributed along the longitudinal direction of the bottom plate (2), a plurality of strip holes governed by each strip hole group are distributed along the transverse direction of the bottom plate (2), and the length direction of each strip hole is arranged along the longitudinal direction of the bottom plate (2); the bottoms of the 2 vertical plates (31) are respectively connected with the bottom plate (2) through 2 long strip hole groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321409070.3U CN219956846U (en) | 2023-06-05 | 2023-06-05 | Device for vibration test of particle damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321409070.3U CN219956846U (en) | 2023-06-05 | 2023-06-05 | Device for vibration test of particle damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956846U true CN219956846U (en) | 2023-11-03 |
Family
ID=88538763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321409070.3U Active CN219956846U (en) | 2023-06-05 | 2023-06-05 | Device for vibration test of particle damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956846U (en) |
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2023
- 2023-06-05 CN CN202321409070.3U patent/CN219956846U/en active Active
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