CN108507740A - A kind of adjustable forced vibration device of damping - Google Patents
A kind of adjustable forced vibration device of damping Download PDFInfo
- Publication number
- CN108507740A CN108507740A CN201810295332.5A CN201810295332A CN108507740A CN 108507740 A CN108507740 A CN 108507740A CN 201810295332 A CN201810295332 A CN 201810295332A CN 108507740 A CN108507740 A CN 108507740A
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- bearing
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- damping
- forced vibration
- vibration device
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- 238000013016 damping Methods 0.000 title claims abstract description 33
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 9
- 230000004044 response Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of adjustable forced vibration devices of damping, including：Multistory frame component, sensor module, the multistory frame component include being fixedly connected by more corner posts between multiple plate bodys, the two neighboring plate body；The corner post is made of groups of springs with the bearing for being fixed on the groups of springs both ends；Strip memory metal alloy is also equipped on the corner post to coat groups of springs.It the advantage of the invention is that can add strip memory metal alloy on corner post changes structural damping, can be used for doing the experiment for measuring damping, the understanding to damping can also be deepened by the variation of the dynamic response of different damping situation lower structure.
Description
Technical field
The present invention relates to a kind of multistory frame teaching experiment model device more particularly to a kind of adjustable forced vibrations of damping
Multistory frame teaching experiment model device.
Background technology
It is with the most similar prior art of the present invention：A kind of multistory frame experimental model and experimental method, the frame
Structure is Double Degree of Freedom System.The function that the multistory frame experimental model of existing Double Degree of Freedom System may be implemented is useful for position
The experiment of shifting method, the free vibration experiment of Double Degree of Freedom System, the forced-vibration experimentation of Double Degree of Freedom System and approximation method ask three layers
Rigid frame fundamental frequency is tested.But its disadvantage is also very prominent, that is, differs larger with practical structures, and structural damping is immutable, uses
Way is more single, cannot be satisfied the diversity of teaching experiment.
Invention content
To solve technical problem present in above-mentioned background technology, the present invention provides a kind of multistory frame teaching experiment moulds
Type device, specific technical solution are as described below：
In a first aspect, a kind of adjustable forced vibration device of damping, including：Multistory frame component 2, sensor module 3, institute
State multistory frame component 2 include between multiple plate bodys 4, the two neighboring plate body 4 by least three 5 companies of being fixed of corner post
It connects；The corner post 5 is made of groups of springs 6 with the bearing 7 for being fixed on 6 both ends of the groups of springs.
With reference to first aspect, the first situation in the possible realization method of first aspect is that the bearing 7 is L-type
One end of bearing 7a or/and Contraband type bearing 7b, the L-type bearing 7a are welded with spring, and there are pre-manufactured holes for the other end, pass through bolt
9 are fixedly connected with the side of the plate body 4；The both ends of the Contraband type bearing 7b are welded with spring, and intermediate there are pre-manufactured holes, pass through
Bolt 9 is fixedly connected with the side of the plate body 4.
The first situation with reference to first aspect, the second situation in the possible realization method of first aspect are institute
It states and is provided at least one strip memory metal alloy 8 between both ends bearing 7.
The second situation with reference to first aspect, the third situation in the possible realization method of first aspect are institute
It states and is provided with locating piece 10 at 7 edge center of bearing, for strip memory metal alloy 8 to be positioned at the bearing 7.
The third situation with reference to first aspect, the 4th kind of situation in the possible realization method of first aspect is institute
State the top plate body 4 of multistory frame component 2, the bearing 7 for the corner post 5 that bottom plate body 4 connects is L-type bearing 7a, the multilayer frame
The bearing 7 of the corner post 5 of remaining plate body 4 connection in addition to top plate body 4, bottom plate body 4 of frame component 2 is Contraband type bearing 7b.
The 4th kind of situation with reference to first aspect, the 5th kind of situation in the possible realization method of first aspect is institute
It states bearing 7 and is provided with gap between the above and below of the plate body 4 being fixedly connected.
The 5th kind of situation with reference to first aspect, the 6th kind of situation in the possible realization method of first aspect is institute
Groups of springs 6 is stated to be made of at least one spring.
The 6th kind of situation with reference to first aspect, the 7th kind of situation in the possible realization method of first aspect is institute
State the square iron plate that plate body 4 is intermediate hollow out.
The 7th kind of situation with reference to first aspect, the 8th kind of situation in the possible realization method of first aspect is institute
Corner post 5 is stated to be 4 and be set to four ends of the plate body 4.
The 8th kind of situation with reference to first aspect, the 9th kind of situation in the possible realization method of first aspect is institute
It states and is fixed with 4 strip memory metal alloys 8 between the upper and lower side bearing 7 of corner post 5, at the edge center of the bearing 7
It is provided with locating piece 10,4 strip memory metal alloys 8 cover the groups of springs 6.
Beneficial effects of the present invention：The advantage of the invention is that the change of strip memory metal alloy can be added on corner post
Structural damping can be used for doing the experiment for measuring damping, can also pass through the change of the dynamic response of different damping situation lower structure
Change to deepen the understanding to damping, such as in the case of different damping in forced vibration tests, the dynamic respond of structure is different.It is different
There are two types of set-up modes for the setting of damping situation：1. installing strip memory metal alloy in corner post different location.2. identical
Position is installed by the strip memory metal alloy of different number so that the rigidity that each layer of structure is different, formed " it is strong, strong, weak, strong,
It is weak, strong, weak, strong, strong " different operating modes in three, then pass through forced vibration tests or the collected data of free vibration test carry out
Analysis show that different-stiffness is distributed the influence to structure in structure.
Description of the drawings
Fig. 1 is the structural schematic diagram of the adjustable forced vibration device of damping of the present invention；
Fig. 2 is the structural schematic diagram of the multistory frame component 2 of the adjustable forced vibration device of damping of the present invention.
Reference numeral：1- operation consoles, 2- multistory frames component, 3- sensor modules, 3a- stress inductions device, 3b- displacement senses
Answer device, 3c- non-contact exciters, 4- plate bodys, 4a- plate bodys one, 4b- plate bodys two, 4c- plate bodys three, 4d- plate bodys four, 5- corner posts,
6- groups of springs, 7- bearings, 7a-L types bearing, 7b- Contraband types bearing, 8- strips memory metal alloy, 9- bolts, 10- locating pieces.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Obviously,
Described embodiment is only the section Example of the present invention.
Embodiment one：
Adjustable forced vibration apparatus structure schematic diagram is damped as shown in Figure 1, and the invention discloses a kind of damping is adjustable
Forced vibration device, described device include：Operation console 1, multistory frame component 2, sensor module 3.In the multistory frame group
It is fixed on operation console 1 by bolt 9 at the bottom centre of part 2.In the outer of the top both ends of the multistory frame component 2
Portion is respectively equipped with stress induction device 3a or/and displacement sensor 3b, and non-connect is equipped in the outside in 2 stage casing of multistory frame component
Touch vibrator 3c.Its described sensor is mounted on movable supporting frame, the movable supporting frame be installed on operation console 1 and
It is distributed in 2 surrounding of multistory frame component.
Embodiment two：
Multistory frame component structure diagram as shown in Figure 2, the multistory frame component 2 include 4 pieces of independent square plates
Body 4 (4 preferred iron plate of the plate body), 12 corner posts 5.It is respectively plate body to set independent 4 pieces of plate bodys 4 in order from top
One 4a, two 4b of plate body, three 4c of plate body, four 4d of plate body, wherein one 4a of plate body to three 4c of plate body be intermediate hollow out rectangular plate body, plate
Four 4d of body is solid rectangular plate body.The corner post 5 is by 1 groups of springs 6 and 2 bearings 7 for being fixed on 6 both ends of the groups of springs
Composition.Wherein, the groups of springs 6 is made of a spring, and the bearing 7 includes L-type bearing 7a and two kinds of Contraband type bearing 7b, point
Plate body 4 that Shi Yongyu be not different.
Locating piece 10, the Contraband type bearing 7b are provided at the L-type bearing 7a wherein edge centers of the surrounding of one side
Upper and lower faces surrounding edge center at be provided with locating piece 10, for strip memory metal alloy 8 to be positioned at institute
It states on bearing 7.The locating piece 10 is preferably screw rod, is fixed the strip memory metal alloy 8 by the nut to match
Between upper and lower two bearings 7, to change structural damping.As priority, each corner post 5 installs 4 strip memory metals
Alloy 8, to cover the spring of the corner post 5.
It is fixed respectively at 4 corresponding four end of the plate body by 4 corner posts 5 between the adjacent two boards body 4
Connection.
As shown in Fig. 2, being fixedly connected by 4 corner posts 5 between two 4b of one 4a of plate body and plate body, the corner post 5 connects
It is that L-type bearing 7a, L-type bearing 7a are installed on the plate body one by bolt 9 to be connected to bearing 7 used in one one end 4a of plate body
The side of 4a；It is Contraband type bearing 7b that the corner post 5, which is connected to bearing 7 used in two one end 4b of plate body, and Contraband type bearing 7b is logical
Cross the side that bolt 9 is installed on two 4b of the plate body.
It is fixedly connected by 4 corner posts 5 between three 4c of two 4b of plate body and plate body, the corner post 5 is connected to plate body two
Bearing 7 used in three 4c of 4b and plate body is that Contraband type bearing 7b, Contraband type bearing 7b are installed on two 4b of the plate body by bolt 9
With the side of three 4c of plate body.
It is fixedly connected by 4 corner posts 5 between four 4d of three 4c of plate body and plate body, the corner post 5 is connected to plate body three
Bearing 7 used in the one end 4c is that Contraband type bearing 7b, Contraband type bearing 7b are installed on the side of three 4c of the plate body by bolt 9
Face；It is L-type bearing 7a that the corner post 5, which is connected to bearing 7 used in four one end 4d of plate body, and L-type bearing 7a is pacified by bolt 9
Side loaded on four 4d of the plate body.
Above-mentioned bearing 7 and the side of the plate body 4 are combined closely by bolt 9, are protected with the upper and lower faces of the plate body 4
There are certain gaps.
With corner post 5 in the mode phantom frame structure of spring plus bearing 7 so that frame structure becomes system with several degrees of freedom.
And change structural damping in the way of addition strip memory metal alloy 8, keep its function more diversified:1. can be every
Gradually increase the strip memory metal alloy 8 of identical quantity and specification on one layer of multiple corner posts 5 simultaneously so that structure entirety
Damping is stepped up, and then will be carried out pair by the structural dynamic response data of forced vibration tests or free vibration test acquisition
Than to verify the effect of damping in the structure.2. adding the strip memory of different number same size on each layer of corner post 5
Metal alloy 8 so that the rigidity that each layer of structure is different, forms different works in " strong, strong, weak, strong, weak, strong, weak, strong, strong " three
Condition, then carry out analysis by forced vibration tests or the collected data of free vibration test and show that different-stiffness is distributed in structure
Influence to structure.
It should be understood that above-described embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.It should also be understood that
For after reading present disclosure, those skilled in the art can make the present invention various changes and modification, these shapes of equal value
Formula is also fallen within the scope of the appended claims of the present application.
Claims (10)
1. a kind of adjustable forced vibration device of damping, including：Multistory frame component (2), sensor module (3), feature exists
In the multistory frame component (2) includes between multiple plate bodys (4), the two neighboring plate body (4) by least three corner posts
(5) it is fixedly connected；The corner post (5) is by groups of springs (6) and is fixed on the bearing (7) at the groups of springs (6) both ends and forms.
2. a kind of adjustable forced vibration device of damping according to claim 1, which is characterized in that the bearing (7) is L
Type bearing (7a) or/and Contraband type bearing (7b), one end of the L-type bearing (7a) are welded with spring, the other end there are pre-manufactured hole,
It is fixedly connected with the side of the plate body (4) by bolt (9)；The both ends of the Contraband type bearing (7b) are welded with spring, intermediate
There are pre-manufactured holes, are fixedly connected with the side of the plate body (4) by bolt (9).
3. a kind of adjustable forced vibration device of damping according to claim 2, which is characterized in that the both ends bearing
(7) at least one strip memory metal alloy (8) is provided between.
4. a kind of adjustable forced vibration device of damping according to claim 3, which is characterized in that bearing (7) side
Locating piece (10) is provided at edge center, for strip memory metal alloy (8) to be positioned at the bearing (7).
5. a kind of adjustable forced vibration device of damping according to claim 4, which is characterized in that the multistory frame group
The top plate body (4) of part (2), the bearing (7) of bottom plate body (4) connection are L-type bearing (7a), the multistory frame component (2)
In addition to top plate body (4), bottom plate body (4) remaining plate body (4) connection bearing (7) be Contraband type bearing (7b).
6. a kind of adjustable forced vibration device of damping according to claim 5, which is characterized in that the bearing (7) is same
It is provided with gap between the above and below for the plate body (4) being fixedly connected.
7. a kind of adjustable forced vibration device of damping according to claim 6, which is characterized in that the groups of springs (6)
It is made of at least one spring.
8. a kind of adjustable forced vibration device of damping according to claim 7, which is characterized in that the plate body (4) is
Square iron plate.
9. a kind of adjustable forced vibration device of damping according to claim 8, which is characterized in that the corner post (5) is 4
Four ends that are a and being set to the plate body (4).
10. a kind of adjustable forced vibration device of damping according to claim 9, which is characterized in that the corner post (5)
It is fixed with 4 strip memory metal alloys (8) between upper and lower side bearing (7), is arranged at the edge center of the bearing (7)
There are locating piece (10), 4 strip memory metal alloys (8) to cover the groups of springs (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810295332.5A CN108507740A (en) | 2018-04-04 | 2018-04-04 | A kind of adjustable forced vibration device of damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810295332.5A CN108507740A (en) | 2018-04-04 | 2018-04-04 | A kind of adjustable forced vibration device of damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108507740A true CN108507740A (en) | 2018-09-07 |
Family
ID=63380211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810295332.5A Pending CN108507740A (en) | 2018-04-04 | 2018-04-04 | A kind of adjustable forced vibration device of damping |
Country Status (1)
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| CN (1) | CN108507740A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702389A (en) * | 2019-10-09 | 2020-01-17 | 北京建筑大学 | Additional damping measuring device and measuring method thereof |
| CN117874400A (en) * | 2024-03-13 | 2024-04-12 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Aircraft model dynamic derivative test data processing system |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049406A (en) * | 2001-08-06 | 2003-02-21 | Ohbayashi Corp | Aseismatic frame structure and its design method |
| CN2615225Y (en) * | 2003-04-25 | 2004-05-12 | 北京工业大学 | Shape memory alloy damper for construction structure |
| JP2006274783A (en) * | 2005-03-04 | 2006-10-12 | Univ Of Ryukyus | Antiseismic reinforcing method for building adopting piloti frame |
| CN102359853A (en) * | 2011-07-28 | 2012-02-22 | 河海大学 | Dynamic property and response comparison experiment device for frame structure |
| CN202771691U (en) * | 2012-08-02 | 2013-03-06 | 东北石油大学 | Frame structure stress analysis model |
| CN103454054A (en) * | 2013-08-07 | 2013-12-18 | 中国科学院力学研究所 | Force control loading and layout variable vertical vibration experimental device |
| CN104342576A (en) * | 2013-08-04 | 2015-02-11 | 镇江忆诺唯记忆合金有限公司 | Copper zinc aluminum shape memory alloy for manufacturing two-layer frame structure damper |
| CN105590515A (en) * | 2016-01-27 | 2016-05-18 | 大连理工大学 | Multi-structural-system, multi-layer and multi-span static and dynamic test model |
| CN205426467U (en) * | 2015-12-02 | 2016-08-03 | 中国石油大学(北京) | Deformation experiment device is cuted to layering support formula |
| CN106251745A (en) * | 2016-09-23 | 2016-12-21 | 大连理工大学 | A kind of multi-functional rigid frame experimental model and experimental technique |
| CN106297517A (en) * | 2016-08-18 | 2017-01-04 | 南通筑升土木工程科技有限责任公司 | A kind of double direction shear palletizing die molding box |
| CN106404324A (en) * | 2016-08-23 | 2017-02-15 | 河南理工大学 | Workshop vibration absorption simulation experiment apparatus |
| CN106448429A (en) * | 2016-09-23 | 2017-02-22 | 大连理工大学 | Multilayer frame teaching experiment model and experiment method thereof |
-
2018
- 2018-04-04 CN CN201810295332.5A patent/CN108507740A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049406A (en) * | 2001-08-06 | 2003-02-21 | Ohbayashi Corp | Aseismatic frame structure and its design method |
| CN2615225Y (en) * | 2003-04-25 | 2004-05-12 | 北京工业大学 | Shape memory alloy damper for construction structure |
| JP2006274783A (en) * | 2005-03-04 | 2006-10-12 | Univ Of Ryukyus | Antiseismic reinforcing method for building adopting piloti frame |
| CN102359853A (en) * | 2011-07-28 | 2012-02-22 | 河海大学 | Dynamic property and response comparison experiment device for frame structure |
| CN202771691U (en) * | 2012-08-02 | 2013-03-06 | 东北石油大学 | Frame structure stress analysis model |
| CN104342576A (en) * | 2013-08-04 | 2015-02-11 | 镇江忆诺唯记忆合金有限公司 | Copper zinc aluminum shape memory alloy for manufacturing two-layer frame structure damper |
| CN103454054A (en) * | 2013-08-07 | 2013-12-18 | 中国科学院力学研究所 | Force control loading and layout variable vertical vibration experimental device |
| CN205426467U (en) * | 2015-12-02 | 2016-08-03 | 中国石油大学(北京) | Deformation experiment device is cuted to layering support formula |
| CN105590515A (en) * | 2016-01-27 | 2016-05-18 | 大连理工大学 | Multi-structural-system, multi-layer and multi-span static and dynamic test model |
| CN106297517A (en) * | 2016-08-18 | 2017-01-04 | 南通筑升土木工程科技有限责任公司 | A kind of double direction shear palletizing die molding box |
| CN106404324A (en) * | 2016-08-23 | 2017-02-15 | 河南理工大学 | Workshop vibration absorption simulation experiment apparatus |
| CN106251745A (en) * | 2016-09-23 | 2016-12-21 | 大连理工大学 | A kind of multi-functional rigid frame experimental model and experimental technique |
| CN106448429A (en) * | 2016-09-23 | 2017-02-22 | 大连理工大学 | Multilayer frame teaching experiment model and experiment method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 孙艳 等: "空间框架结构式高架车站振动浅析", 《四川建筑科学研究》 * |
| 王强 等: "多室薄壁箱梁腹板弯曲剪力流计算及截面参数分析", 《武汉科技大学学报》 * |
| 邢德进 等: "基于形状记忆合金的阻尼减振研究", 《昆明理工大学学报》 * |
| 陶庆东 等: "多层框架结构在地震作用下的静动响应分析", 《交通科技与经济》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702389A (en) * | 2019-10-09 | 2020-01-17 | 北京建筑大学 | Additional damping measuring device and measuring method thereof |
| CN117874400A (en) * | 2024-03-13 | 2024-04-12 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Aircraft model dynamic derivative test data processing system |
| CN117874400B (en) * | 2024-03-13 | 2024-06-04 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Aircraft model dynamic derivative test data processing system |
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Application publication date: 20180907 |