CN111173156A - Vertical plate type eddy current tuned mass damper - Google Patents
Vertical plate type eddy current tuned mass damper Download PDFInfo
- Publication number
- CN111173156A CN111173156A CN202010024985.7A CN202010024985A CN111173156A CN 111173156 A CN111173156 A CN 111173156A CN 202010024985 A CN202010024985 A CN 202010024985A CN 111173156 A CN111173156 A CN 111173156A
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- plate
- copper
- column
- top plate
- limiting
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vertical plate type eddy current tuned mass damper, which consists of a top plate, a limiting plate, a middle column, a copper bush fixing column, a spring limiting column, a bottom plate, a movable block, a strip-shaped groove, a spring, a copper plate fixing block and a copper plate, wherein the bottom plate is a rectangular structural body with a certain thickness; a middle column is fixed in the middle of the upper surface of the bottom plate; the middle column extends upwards for a partial distance; the top plate is a square structural body with a round hole in the middle and has a certain thickness; and a copper bush fixing column is fixed in the round hole of the top plate in an embedded mode. The copper magnetic gap of the vertical plate type eddy current damper is adjustable, the copper sheet is arranged at the joint of the mass block and the spring limiting support column, the purpose is to reduce the influence of friction force, and the magnet is directly adsorbed on the mass block without additionally arranging back iron.
Description
Technical Field
The invention belongs to the technical field of eddy current dampers, and particularly relates to a vertical plate type eddy current tuned mass damper.
Background
The eddy current damper is widely applied to the fields of vehicle suspension systems, space butt joint structures, braking systems and transmission systems of high-speed trains and the like, is an invention device for generating damping by using an electromagnetic induction principle, has no mechanical friction, no working fluid and no elastic rigidity, does not need a power supply when adopting a permanent magnet, and has simple and reliable structure and good durability. However, the development of eddy current dampers in the field of civil engineering is not so great; and because the traditional oil damper has the defects of easy oil leakage, difficult maintenance, non-linear viscous damping, shear additional rigidity and the like.
Disclosure of Invention
In order to solve the existing problems, the invention provides a vertical plate type eddy current tuned mass damper.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a vertical plate type eddy current tuned mass damper is composed of a top plate, a limiting plate, a middle column, a copper bush fixing column, a spring limiting column, a bottom plate, a movable block, a strip-shaped groove, a spring, a copper plate fixing block and a copper plate, wherein the bottom plate is a rectangular structural body; a middle column is fixed in the middle of the upper surface of the bottom plate; the middle column extends upwards for a partial distance; the top plate is a square structural body with a round hole in the middle; a copper bush fixing column is fixed in the round hole of the top plate in an embedded mode; a through hole is formed in the middle of the copper sleeve fixing column, and the middle column is inserted into the through hole from bottom to top, so that a top plate of the middle column is fixed on the bottom plate; the limiting plate is closely adhered to the bottom surface of the top plate; through holes with the same size are formed in four corners of the limiting plate, and a limiting hole is formed in the middle of the limiting plate; four spring limiting columns which are mutually equal in distance are arranged on the bottom plate; the four spring limiting columns respectively correspond to the through holes of the limiting plate and are positioned on the same axis with the corresponding through holes; the spring limiting column is sleeved with a spring; the top of the spring is connected to the top plate; two strip-shaped grooves are respectively formed in the positions of the short edges on the two sides of the bottom plate; the movable block is arranged in the strip-shaped groove through a bolt; the movable block is connected with a copper plate fixed block; a copper plate is fixed on the inner side of the copper plate fixing block; and a magnet is arranged on one surface of the top plate opposite to the copper plate.
Further, the bottom surface of the copper bush fixing column is flush with the bottom surface of the top plate after the copper bush fixing column and the top plate are completely matched, and the top surface of the copper bush fixing column is higher than the upper surface of the top plate by a distance.
Further, the appearance structure and the whole size of the limiting plate are completely equal to those of the top plate; and the spring penetrates through the through hole of the limiting plate to be connected with the top plate when being connected with the top plate.
Further, the strip-shaped groove is transversely arranged on the bottom plate, so that the movable block drives the copper plate to slide left and right.
Compared with the prior art, the invention has the beneficial effects that:
the copper magnetic gap of the vertical plate type eddy current damper is adjustable, the copper sheet is arranged at the joint of the mass block and the spring limiting support column, the purpose is to reduce the influence of friction force, and the magnet is directly adsorbed on the mass block without additionally arranging back iron.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Figure 3 is a side view of the structure of the present invention.
In the figure: 1. a top plate; 2. a limiting plate; 3. a middle column; 4. a copper bush fixing column; 5. a spring limiting post; 6. a base plate; 7. a movable block; 8. a strip-shaped groove; 9. a spring; 10. a copper plate fixing block; 11. a copper plate.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1-3, a vertical plate type eddy current tuned mass damper is composed of a top plate 1, a limiting plate 2, a middle column 3, a copper bush fixing column 4, a spring limiting column 5, a bottom plate 6, a movable block 7, a strip-shaped groove 8, a spring 9, a copper plate fixing block 10 and a copper plate 11, wherein the bottom plate 6 is a rectangular structural body with a certain thickness; and a middle column 3 is fixed in the middle of the upper surface of the bottom plate 6; the middle column 3 extends a partial distance upwards; the top plate 1 is a square structure body with a round hole in the middle and has a certain thickness; a copper bush fixing column 4 is fixed in the round hole of the top plate 1 in an embedded mode; a through hole is formed in the middle of the copper bush fixing column 4, and the middle column 3 is inserted into the through hole from bottom to top, so that the top plate 1 of the middle column is fixed on the bottom plate 6; the limiting plate 2 is closely adhered to the bottom surface of the top plate 1; through holes with the same size are formed in four corners of the limiting plate 2, and a limiting hole is formed in the middle of the limiting plate; four spring limiting columns 5 which are mutually equal in distance are arranged on the bottom plate 6; the four spring limiting columns 5 respectively correspond to the through holes of the limiting plate 2 and are positioned on the same axis with the corresponding through holes; the spring limiting column 5 is sleeved with a spring 9; and the top of the spring 9 is connected to the top plate 1; two strip-shaped grooves 8 are respectively formed in the positions of the short edges on the two sides of the bottom plate 6; the movable block 7 is arranged in the strip-shaped groove 8 through a bolt; the movable block 7 is connected with a copper plate fixed block 10; a copper plate 11 is fixed on the inner side of the copper plate fixing block 10; a magnet is arranged on one surface of the top plate 1 opposite to the copper plate 11.
After the copper bush fixing column 4 and the top plate 1 are completely matched, the bottom surface of the copper bush fixing column is flush with the bottom surface of the top plate 1, and the top surface of the copper bush fixing column is in a part of distance which is upwards raised compared with the upper surface of the top plate 1; the appearance structure and the whole size of the limiting plate 2 are completely equal to those of the top plate 1; the spring 9 penetrates through the through hole of the limiting plate 2 to be connected with the top plate 1 when being connected with the top plate; the strip-shaped groove 8 is transversely arranged on the bottom plate 6, so that the movable block 7 drives the copper plate 11 to slide left and right.
In this embodiment, the copper plate 11 in the specific operation of the invention is made of iron with the back iron thickness more than 10 mm; the conductor plate is made of copper plate with the thickness of about 10mm, and the best effect is achieved; the more the pairs of the permanent magnets are, the better the permanent magnets are, and under the condition of the same area, a large permanent magnet does not have the damping force generated by a plurality of permanent magnets with smaller areas; the arrangement of the permanent magnets in rows is better than in columns; the effect is optimal when the distance between the permanent magnets is 20 mm; the damping force decreases rapidly with increasing distance between the copper plate 11 and the magnet; the greater the relative velocity, the greater the damping force generated.
Claims (4)
1. A vertical plate type eddy current tuned mass damper is characterized by comprising a top plate (1), a limiting plate (2), a middle column (3), a copper bush fixing column (4), a spring limiting column (5), a bottom plate (6), a movable block (7), a strip-shaped groove (8), a spring (9), a copper plate fixing block (10) and a copper plate (11), wherein the bottom plate (6) is a rectangular structural body; a middle column (3) is fixed in the middle of the upper surface of the bottom plate (6); the middle column (3) extends upwards for a part of the distance; the top plate (1) is a square structure body with a round hole in the middle; a copper bush fixing column (4) is fixed in the round hole of the top plate (1) in an embedded mode; a through hole is formed in the middle of the copper sleeve fixing column (4), and the middle column (3) is inserted into the through hole from bottom to top, so that the top plate (1) of the middle column is fixed on the bottom plate (6); the limiting plate (2) is tightly adhered to the bottom surface of the top plate (1); through holes with the same size are formed in four corners of the limiting plate (2), and a limiting hole is formed in the middle of the limiting plate; four spring limiting columns (5) which are mutually equal in distance are arranged on the bottom plate (6); the four spring limiting columns (5) respectively correspond to the through holes of the limiting plate (2) and are positioned on the same axis with the corresponding through holes; the spring limiting column (5) is sleeved with a spring (9); the top of the spring (9) is connected to the top plate (1); two strip-shaped grooves (8) are respectively formed in the positions of the short edges of the two sides of the bottom plate (6); the movable block (7) is arranged in the strip-shaped groove (8) through a bolt; the movable block (7) is connected with a copper plate fixed block (10); a copper plate (11) is fixed on the inner side of the copper plate fixing block (10); and a magnet is arranged on one surface of the top plate (1) opposite to the copper plate (11).
2. The vertical plate eddy current tuned mass damper according to claim 1, wherein: the bottom surface of the copper bush fixing column (4) is flush with the bottom surface of the top plate (1) after the copper bush fixing column and the top plate (1) are completely matched, and the top surface of the copper bush fixing column is in a distance of an upward protruding part compared with the upper surface of the top plate (1).
3. The vertical plate eddy current tuned mass damper according to claim 1, wherein: the appearance structure and the whole size of the limiting plate (2) are completely equal to those of the top plate (1); when the spring (9) is connected with the top plate (1), the spring penetrates through the through hole of the limiting plate (2) to be connected with the top plate.
4. The vertical plate eddy current tuned mass damper according to claim 1, wherein: the strip-shaped groove (8) is transversely arranged on the bottom plate (6), so that the movable block (7) drives the copper plate (11) to slide left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024985.7A CN111173156A (en) | 2020-01-10 | 2020-01-10 | Vertical plate type eddy current tuned mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024985.7A CN111173156A (en) | 2020-01-10 | 2020-01-10 | Vertical plate type eddy current tuned mass damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111173156A true CN111173156A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010024985.7A Pending CN111173156A (en) | 2020-01-10 | 2020-01-10 | Vertical plate type eddy current tuned mass damper |
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| Country | Link |
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| CN (1) | CN111173156A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377559A (en) * | 2020-11-16 | 2021-02-19 | 湖南省潇振工程科技有限公司 | Magnetic suspension sliding rail type eddy current tuned mass damper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015227605A (en) * | 2014-05-09 | 2015-12-17 | 清水建設株式会社 | Vibration control device and building comprising the same |
| CN105386403A (en) * | 2015-10-21 | 2016-03-09 | 华北水利水电大学 | Assembled type current vortex tuned mass damper for pedestrian bridge and manufacturing method |
| CN106639472A (en) * | 2016-12-22 | 2017-05-10 | 浙江建科减震科技有限公司 | Eddy current tuned mass damper |
| CN107938497A (en) * | 2018-01-02 | 2018-04-20 | 湖南省潇振工程科技有限公司 | Vertical tuned mass damper |
| JP2018136000A (en) * | 2017-02-23 | 2018-08-30 | 昭和電線ケーブルシステム株式会社 | Seismic isolator |
-
2020
- 2020-01-10 CN CN202010024985.7A patent/CN111173156A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015227605A (en) * | 2014-05-09 | 2015-12-17 | 清水建設株式会社 | Vibration control device and building comprising the same |
| CN105386403A (en) * | 2015-10-21 | 2016-03-09 | 华北水利水电大学 | Assembled type current vortex tuned mass damper for pedestrian bridge and manufacturing method |
| CN106639472A (en) * | 2016-12-22 | 2017-05-10 | 浙江建科减震科技有限公司 | Eddy current tuned mass damper |
| JP2018136000A (en) * | 2017-02-23 | 2018-08-30 | 昭和電線ケーブルシステム株式会社 | Seismic isolator |
| CN107938497A (en) * | 2018-01-02 | 2018-04-20 | 湖南省潇振工程科技有限公司 | Vertical tuned mass damper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377559A (en) * | 2020-11-16 | 2021-02-19 | 湖南省潇振工程科技有限公司 | Magnetic suspension sliding rail type eddy current tuned mass damper |
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Application publication date: 20200519 |