CN203643144U - Performance test device for magnetorheological fluid damper - Google Patents
Performance test device for magnetorheological fluid damper Download PDFInfo
- Publication number
- CN203643144U CN203643144U CN201320804533.6U CN201320804533U CN203643144U CN 203643144 U CN203643144 U CN 203643144U CN 201320804533 U CN201320804533 U CN 201320804533U CN 203643144 U CN203643144 U CN 203643144U
- Authority
- CN
- China
- Prior art keywords
- bolt
- fluid damper
- type steel
- pressure sensor
- magnetorheological fluid
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 12
- 238000011056 performance test Methods 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 2
- 238000012856 packing Methods 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011797 cavity material Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
Landscapes
- Fluid-Damping Devices (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a performance testing device of a magneto-rheological fluid damper. The performance testing device comprises an L-type steel plate, a fixation block, a pressure sensor, a step motor, a coupler, a screw rod, an L-type steel, a connection sliding block, and a rail, wherein the L-type steel plate is fixed on a machine frame, and the L-type steel plate is connected with the magneto-rheological fluid damper through a bolt B and a bolt C; a piston rod of the magneto-rheological fluid damper is in fixed connection with the fixation block through the bolt C, and a head part of the bolt C abuts a lower end of the pressure sensor; the fixation block is fixedly connected at a left end of the pressure sensor through two blots D, and a right end of the pressure sensor is connected with the L-type steel through two bolts E; and the L-type steel is connected with the connection sliding block through a bolt F, and the connection sliding block is connected with the step motor through the screw rod and the coupler. The performance testing device is simple in structure, convenient to operate, and easy to maintain.
Description
Technical field
The utility model relates to a kind of damper, especially a kind of performance testing device of magnetic rheological liquid damper.
Background technology
Magnetic rheological liquid damper is the intelligent damper of the one of rising in recent years, and the research of magneto-rheological fluid damping vibration absorber cushion technique is become to one of focus instantly, and it is a kind of damping controllable devices, and its inner medium of filling is magnetic flow liquid.The chief component composition of magnetic flow liquid has magnetic-particle, carrier fluid and the stabilizing agent of micron order or nano-grade size size.The principle of work of magnetic rheological liquid damper is by regulating the electric current in field coil can obtain the magnetic field of varying strength, thereby changes the flow characteristics of magnetic flow liquid in damp channel.This mobility variations of magnetic flow liquid is continuous, reversible, that is to say, when there is a certain size magnetic field, magnetic flow liquid can show the complicated character such as visco-plasticity, viscoelasticity and class be solid-state; Once remove behind magnetic field, become again the Newtonian fluid of good fluidity, thereby can carry out active and half ACTIVE CONTROL to the damping force based on magnetic rheological liquid damper.The feature such as that the damper based on magnetic flow liquid has is low in energy consumption, fast response time, range of adjustment are wide, simple in structure, has broad prospect of application at structural vibration control engineering field.The mechanical property of magnetic flow liquid has determined its concrete application at engineering field, so very crucial to the test of its mechanical property.In order better to obtain the mechanical performance data of magnetic rheological liquid damper, the installation method of the magnetic rheological liquid damper in test seems most important.
Summary of the invention
The purpose of this utility model is to provide a kind of device of magnetic rheological liquid damper performance test, and this device can obtain more accurately the mechanical performance data of magnetic rheological liquid damper in experimentation.
For achieving the above object, the utility model adopts following technical proposals: a kind of performance testing device of magnetic rheological liquid damper, comprise L-type steel plate, fixed block, pressure transducer, stepper motor, shaft coupling, leading screw, L-type steel, connection sliding block, guide rail, be characterized in: L-type steel plate is fixed in frame, L-type steel plate is fixedly connected with magnetic rheological liquid damper by bolt B, bolt C; The piston rod of magnetic rheological liquid damper is fixedly connected with fixed block by bolt C, and bolt C head withstands on the lower end of pressure transducer; Fixed block is fixedly connected on pressure transducer left end by two bolt D, and the right-hand member of pressure transducer links together by two bolt E and L-type steel; L-type steel links together by bolt F and connection sliding block, and connection sliding block is connected stepper motor by leading screw with shaft coupling.
Magnetic rheological liquid damper comprises PTFE packing ring, copper washer, magnetic flow liquid, cavity, copper coil, O type circle, end cap, piston rod, the center section of piston rod has an annular groove, annular groove place is around upper copper coil, and be placed in cavity, between cavity and piston rod two ends, be tightly connected with copper washer, PTFE packing ring and O type circle.
The utility model compared with prior art, has following beneficial effect:
First, the utility model has utilized L-type end cap to realize being connected of magnetic rheological liquid damper and L-type steel plate; Secondly, the utility model is by utilizing L-type steel plate to be fixedly connected with ground, thereby realized the vertical placement of magnetic rheological liquid damper in subsequent installation process, to meet the requirement that Mechanics Performance Testing is tested; Then be that the utility model is by utilizing L-type steel that pressure transducer and guide rail connection sliding block are coupled together, to realize the test to magnetic rheological liquid damper mechanical property test; Finally, the utility model has utilized fixed block, by bolt (an additional bolt), magnetic rheological liquid damper and pressure transducer is linked together, and has solved the problem that magnetic rheological liquid damper is connected with pressure transducer.The utility model is simple in structure, make easy to operate, be also easy to safeguard.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the magnetic rheological liquid damper wiring layout in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As Fig. 1, shown in 2, the performance testing device of magnetic rheological liquid damper of the present utility model, comprises L-type steel plate 10, bolt A11, bolt B 13, fixed block 14, pressure transducer 15, bolt C16, bolt D17, stepper motor 18, shaft coupling 19, leading screw 20, bolt E21, L-type steel 22, bolt F23, connection sliding block 24, guide rail 25.
L-type steel plate 10 is fixed in frame by bolt A11, thereby has realized the vertical placement of magnetic rheological liquid damper 30 in subsequent installation process; L-type steel plate 10 couples together by bolt B 12, bolt C13 and magnetic rheological liquid damper 30; The piston rod 9 of magnetic rheological liquid damper 30 is fixedly connected with fixed block 14 by bolt C16, and bolt C16 head withstands on the lower end of pressure transducer 15; Fixed block 14 is fixedly connected on pressure transducer 15 left ends by two bolt D17, has solved the connectivity problem of magnetic rheological liquid damper 30 with pressure transducer 15; The right-hand member of pressure transducer 15 links together by two bolt E21 and L-type steel 22; L-type steel 22 links together by four bolt F23 and connection sliding block 24, and connection sliding block 24 is connected stepper motor 18 by leading screw 20 with shaft coupling 19, can on guide rail 25, move up and down.
As shown in Figure 3, magnetic rheological liquid damper 30, comprises PTFE packing ring 1, copper washer 2, magnetic flow liquid 3, cavity 4, copper coil 5, O type circle 6, end cap 7, bolt 8, piston rod 9.
Have an annular groove at the center section of piston rod 9, annular groove place around on the copper coil 5 of certain number of turn, then put it into cavity 4 the insides, then the upper copper washer 2 of pad, and then carry out encapsulation process by PTFE packing ring 1 and O type circle 6, the upper L-type end cap 7 of finally assembling completes the assembling of magnetic rheological liquid damper.
The principle of work of the performance test structure of the magnetic rheological liquid damper in the utility model:
First switch on power, start stepper motor 18, stepper motor 18 drives leading screw 20 to rotate by shaft coupling 19, and connection sliding block 24 just can carry out upper and lower rectilinear motion on guide rail 25 like this; Because L-type steel 22 and connection sliding block 24 are fixed together, pressure transducer 15 links together with L-type steel 22; Magnetic rheological liquid damper piston rod 9 links together with pressure sensing 15, so the motion of connection sliding block 24 can drive piston rod 9 to carry out upper and lower vertical movement by being attached thereto the L-type steel 22, pressure transducer 15, the fixed block 14 that connect, so, the electric current that only need to pass to varying strength to magnetic rheological liquid damper, can collect the mechanical performance data of magnetic rheological liquid damper under different electric currents by the distortion of pressure transducer.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804533.6U CN203643144U (en) | 2013-12-06 | 2013-12-06 | Performance test device for magnetorheological fluid damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804533.6U CN203643144U (en) | 2013-12-06 | 2013-12-06 | Performance test device for magnetorheological fluid damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643144U true CN203643144U (en) | 2014-06-11 |
Family
ID=50874379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320804533.6U Expired - Fee Related CN203643144U (en) | 2013-12-06 | 2013-12-06 | Performance test device for magnetorheological fluid damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674530A (en) * | 2013-12-06 | 2014-03-26 | 上海应用技术学院 | Device for testing performance of magnetorheological fluid damper |
| CN110307968A (en) * | 2019-08-19 | 2019-10-08 | 清华大学 | A kind of magneto-rheological vibration damper method for testing fatigue and system |
-
2013
- 2013-12-06 CN CN201320804533.6U patent/CN203643144U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674530A (en) * | 2013-12-06 | 2014-03-26 | 上海应用技术学院 | Device for testing performance of magnetorheological fluid damper |
| CN110307968A (en) * | 2019-08-19 | 2019-10-08 | 清华大学 | A kind of magneto-rheological vibration damper method for testing fatigue and system |
| CN110307968B (en) * | 2019-08-19 | 2020-06-19 | 清华大学 | Fatigue test method and system for magnetorheological damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141206 |
|
| EXPY | Termination of patent right or utility model |