CN110207959A - A kind of lead damper structure testing machine vibration absorber - Google Patents
A kind of lead damper structure testing machine vibration absorber Download PDFInfo
- Publication number
- CN110207959A CN110207959A CN201910415920.2A CN201910415920A CN110207959A CN 110207959 A CN110207959 A CN 110207959A CN 201910415920 A CN201910415920 A CN 201910415920A CN 110207959 A CN110207959 A CN 110207959A
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- CN
- China
- Prior art keywords
- testing machine
- vibration absorber
- damper structure
- lead damper
- machine vibration
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of lead damper structure testing machine vibration absorber, belong to vibration damping control field, a kind of lead damper structure testing machine vibration absorber includes upper spherical hinged-support, transmission rod, end cap, extrusion mouth, lead, container, additional cavity, support.Lead damper structure testing machine vibration absorber is set between structure testing machine lower beam and basis, lead damper structure testing machine vibration absorber is arranged symmetrically in around test specimen, lead damper structure testing machine vibration absorber and the common bearing load of test specimen, until testing machine unloads.Force snesor is arranged in test specimen lower end, for measuring test specimen load.Lead damper structure testing machine vibration absorber is arranged in the present invention in large-sized structure experiment machine, can have to avoid the vibration problem of testing machine caused by the brittle break test specimen and surrounding enviroment and be easy implementation, economical and practical advantage.
Description
Technical field
The present invention relates to a kind of lead damper structure testing machine vibration absorbers, are suitable for large-sized structure experiment machine in the load phase
Between because of the body vibration and ambient vibration caused by test specimen brittle break, belong to vibration damping control field.
Background technique
It is bearing capacity, the material of more accurate development test object with building structure gradually enlargement and complication
Characteristic, usually using large scale even full-scale specimen as research object, so that large-sized structure experiment machine becomes essential
Testing equipment.Large-sized structure experiment machine, because of test specimen brittle break, causes testing machine itself to generate with ambient enviroment during load
High vibration.The vibration of testing machine will affect the normal on probation of testing machine, or even cause the damage of testing machine, the vibration of ambient enviroment
The dynamic safety that can endanger periphery staff, and cause the damage of Adjacent Buildings.Therefore, large-scale experiment machine damping technology is studied
With significant engineering value.Typical large-sized structure experiment machine both at home and abroad is typically employed in basis and rack and spring is arranged
The modes such as damping element and viscous damper carry out vibration damping.For built large-sized structure experiment machine, traditional vibration isolation means
It is difficult to carry out, and higher cost.
Summary of the invention
To solve existing structure testing machine because test specimen brittle break causes vibration problem, the invention proposes a kind of dampings of lead
Device structure testing machine vibration absorber.
To achieve the above object, design scheme of the invention is as follows:
The technical solution adopted by the present invention is a kind of lead damper structure testing machine vibration absorber, lead damper structural test
Machine vibration absorber 10 includes spherical hinged-support 11, transmission rod 12, end cap 13, extrusion mouth 14, lead 15, container 16, additional cavity
17 are equipped with spherical hinged-support 11 with support 18,12 upper end of transmission rod, and transmission rod 12 is inserted into container 16, fills in container 16
Lead 15 carries out the sealing of container 16 by end cap 13；Increase extrusion mouth 14 on transmission rod 12, the lower end of transmission rod 12 is connected into attached
Add in cavity 17,18 bottom of additional cavity is bolted with support 18.
The lead damper structure testing machine vibration absorber 10 is arranged in around test specimen 8, lead damper structural test
For machine vibration absorber 10 using being arranged symmetrically, quantity is 2 or 4 sets.
It drives testing machine lower beam 5 to be further applied load test specimen 8 by load cylinder 4, subtracts lead damper structure testing machine
Vibrating device 10 and 8 shared load of test specimen.When brittle break occurs for test specimen 8, lead damper structure testing machine vibration absorber
10 continue to undertake all loads that testing machine lower beam 5 is applied, until unloading completely.
The cross sectional shape of the transmission rod 12 selects round or rectangle.
The material selection steel of the extrusion mouth 14, shape select spherical shape, diamond shape, rectangular or cylindricality.
The material selection steel of the container 16, using round tube or square tube.
The material selection steel or concrete of the support 18, cross sectional shape select H-shaped, C-shaped, circle or rectangle.
The present invention adds lead damper structure testing machine vibration absorber on large-sized structure experiment machine, can be according to practical need
The vibration damping that height is used for large-sized structure experiment machine is adjusted, this method haves no need to change the original structure of testing machine, has and holds
Easily implement, economical and practical advantage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing large-sized structure experiment machine.
Fig. 2 is the testing machine signal for being equipped with lead damper structure testing machine vibration absorber.
Fig. 3 is a kind of lead damper structure testing machine vibration absorber signal proposed by the present invention.
In figure: 1, basic, 2, rack, 3, upper beam, 4, load cylinder, 5, lower beam, 6, upper frame, 7, key tooth, 8, test specimen,
9, force snesor, 10, lead damper structure testing machine vibration absorber, 11, spherical hinged-support, 12, transmission rod, 13, end cap, 14,
Extrusion mouth, 15, lead, 16, container, 17, additional cavity, 18, support.
Specific embodiment
Invention is further explained with reference to the accompanying drawings and detailed description.
As shown in Figure 2 installation vibration absorber large-sized structure experiment machine system, include basis 1, rack 2, upper beam 3,
Load cylinder 4, lower beam 5, upper frame 6, key tooth 7, test specimen 8, force snesor 9 and lead damper structure testing machine vibration absorber 10.
Rack 2 undertake load counter-force and upper beam 3, lower beam 4 lifting positioning, and by upper frame 6 top be connected to form one it is whole
Body, installs load cylinder 4 between upper beam 5 and lower beam 3, test specimen 8 and force snesor 9 be placed in basis 1 and lower beam 5 it
Between, it is further applied load by load cylinder 4.In the normal load stage, make lead damper structure testing machine vibration absorber 10 and test specimen 8
Common stress.When brittle break occurs for test specimen 8, lead damper structure testing machine vibration absorber 10 undertakes all lotuses of testing machine
It carries, lead damper structure testing machine vibration absorber 10 generates displacement under load action, absorbs the potential energy of most of testing machine, together
When lead damper structure testing machine vibration absorber 10 have certain bearing capacity so that testing machine load gradually unloads, to reach
To the effect of vibration damping.
Lead damper structure testing machine vibration absorber 10 as shown in Figure 3 includes spherical hinged-support 11, transmission rod 12, end cap
13, extrusion mouth 14, lead 15, container 16, additional cavity 17 and support 18.Under load action, extrusion mouth 14 follows transmission rod 12 to move
It is dynamic, it squeezes lead 15 and generates plastic deformation, to achieve the effect that energy consumption.
Lead damper structure testing machine vibration absorber 10 is arranged in around test specimen 8, and using being arranged symmetrically, quantity is 2 or 4
Set.
Load suffered by test specimen 8 can be measured by force snesor 9, and force snesor 9 is placed on the upper end or lower end of test specimen 8.
The height of support 18 can be adjusted according to test demand, can be reused.
Claims (7)
1. a kind of lead damper structure testing machine vibration absorber, lead damper structure testing machine vibration absorber (10) includes spherical shape
Hinged-support (11), transmission rod (12), end cap (13), extrusion mouth (14), lead (15), container (16), additional cavity (17) and support
(18), it is characterised in that: transmission rod (12) upper end is equipped with spherical hinged-support (11), and transmission rod (12) is inserted into container (16),
Lead (15) are filled in container (16), the sealing of container (16) is carried out by end cap (13), increases on transmission rod (12) and squeezes
Mouth (14)；The lower end of transmission rod (12) is connected into additional cavity (17), and the bottom and support (18) of additional cavity (18) carry out spiral shell
It tethers and connects.
2. a kind of lead damper structure testing machine vibration absorber according to claim 1, it is characterised in that: lead damper knot
Structure testing machine vibration absorber (10) and test specimen (8) are arranged between basic (1) and testing machine lower beam (5), lead damper structure
For testing machine vibration absorber (10) using being arranged symmetrically, quantity is 2 or 4 sets.
3. a kind of lead damper structure testing machine vibration absorber according to claim 1, it is characterised in that: in test specimen (8)
Around arrange lead damper structure testing machine vibration absorber (10), by load cylinder (4) driving testing machine lower beam (5) it is right
Test specimen (8) is further applied load, and makes lead damper structure testing machine vibration absorber (10) and test specimen (8) common bearing load, works as test specimen
(9) it is pressurized after brittle break occurs, lead damper structure testing machine vibration absorber (10) continues to undertake the lotus that testing machine is applied
It carries, until unloading completely.Force snesor (9) is arranged in the upper end or lower end of test specimen (8).
4. a kind of lead damper structure testing machine vibration absorber according to claim 1, it is characterised in that: the transmission rod
(12) cross sectional shape is round or rectangle.
5. a kind of lead damper structure testing machine vibration absorber according to claim 1, it is characterised in that: extrusion mouth (14)
Material selection steel, shape selects spherical, diamond shape or cylinder.
6. a kind of lead damper structure testing machine vibration absorber according to claim 1, it is characterised in that: container (16)
Material selection steel, using round tube or square tube.
7. a kind of lead damper structure testing machine vibration absorber according to claim 1, it is characterised in that: support (18)
Material selection steel shape concrete, cross sectional shape select H-shaped, C-shaped, circle or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415920.2A CN110207959A (en) | 2019-05-19 | 2019-05-19 | A kind of lead damper structure testing machine vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415920.2A CN110207959A (en) | 2019-05-19 | 2019-05-19 | A kind of lead damper structure testing machine vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207959A true CN110207959A (en) | 2019-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910415920.2A Pending CN110207959A (en) | 2019-05-19 | 2019-05-19 | A kind of lead damper structure testing machine vibration absorber |
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| Country | Link |
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| CN (1) | CN110207959A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903220A (en) * | 2021-01-29 | 2021-06-04 | 北京工业大学 | Speed-related rigidity auxiliary test device |
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| CN101100879A (en) * | 2007-06-08 | 2008-01-09 | 东南大学 | Large-deformation large-tonnage composite viscoelasticity damper |
| CN201795963U (en) * | 2010-09-10 | 2011-04-13 | 胡少伟 | System for testing fracture of concrete |
| JP2012251858A (en) * | 2011-06-02 | 2012-12-20 | Tamagawa Seiki Co Ltd | Bearing self-diagnostic structure of angle detector and angle detector with bearing diagnosis sensor |
| CN103743586A (en) * | 2014-01-02 | 2014-04-23 | 北京工业大学 | Large-scale structure testing machine provided with damping device |
| CN105951582A (en) * | 2016-06-01 | 2016-09-21 | 成都格瑞思文化传播有限公司 | Bridge shock absorbing and elastic-plastic damping structure |
| CN206721660U (en) * | 2017-05-15 | 2017-12-08 | 霍银根 | A kind of shock-absorbing bridge support |
| CN208777157U (en) * | 2018-07-11 | 2019-04-23 | 王大鹏 | A kind of civil engineering damping device |
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2019
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Patent Citations (9)
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| CN2327837Y (en) * | 1998-03-30 | 1999-07-07 | 周云 | Superplastic alloy cylinder buffer |
| CN101100879A (en) * | 2007-06-08 | 2008-01-09 | 东南大学 | Large-deformation large-tonnage composite viscoelasticity damper |
| CN201795963U (en) * | 2010-09-10 | 2011-04-13 | 胡少伟 | System for testing fracture of concrete |
| JP2012251858A (en) * | 2011-06-02 | 2012-12-20 | Tamagawa Seiki Co Ltd | Bearing self-diagnostic structure of angle detector and angle detector with bearing diagnosis sensor |
| CN103743586A (en) * | 2014-01-02 | 2014-04-23 | 北京工业大学 | Large-scale structure testing machine provided with damping device |
| CN105951582A (en) * | 2016-06-01 | 2016-09-21 | 成都格瑞思文化传播有限公司 | Bridge shock absorbing and elastic-plastic damping structure |
| CN206721660U (en) * | 2017-05-15 | 2017-12-08 | 霍银根 | A kind of shock-absorbing bridge support |
| CN208777157U (en) * | 2018-07-11 | 2019-04-23 | 王大鹏 | A kind of civil engineering damping device |
| CN208855571U (en) * | 2018-10-02 | 2019-05-14 | 江苏振世达新能汽车有限公司 | Frame assembly is protected after one kind |
Non-Patent Citations (1)
| Title |
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| 韩静: "结构试验机振动机理与减振措施的数值模拟", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903220A (en) * | 2021-01-29 | 2021-06-04 | 北京工业大学 | Speed-related rigidity auxiliary test device |
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Application publication date: 20190906 |