CN202886217U - Bi-stable composite material experimental test device - Google Patents
Bi-stable composite material experimental test device Download PDFInfo
- Publication number
- CN202886217U CN202886217U CN 201220449545 CN201220449545U CN202886217U CN 202886217 U CN202886217 U CN 202886217U CN 201220449545 CN201220449545 CN 201220449545 CN 201220449545 U CN201220449545 U CN 201220449545U CN 202886217 U CN202886217 U CN 202886217U
- Authority
- CN
- China
- Prior art keywords
- pressure head
- test device
- bistable state
- stepper motor
- compound substance
- 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 - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 239000002131 composite material Substances 0.000 title abstract description 8
- 238000002474 experimental method Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009864 tensile test Methods 0.000 abstract 2
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035611 feeding Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a bi-stable composite material experimental test device which comprises a tensile testing machine, wherein a following mechanical pushing handle, an adjustable pressure head and an adjustable clamp are arranged on the tensile testing machine; the following mechanical pushing handle comprises a bracket, a first step motor, a first transmission shaft, a second step motor, a second transmission shaft, a third step motor and a pushing handle; the adjustable pressure head comprises a pressure head sliding block, a sliding chute block and a pressure head handle; the pressure head sliding block is fixed on a sliding chute guide rail of the sliding chute block through a bolt; the pressure head handle is screwed on the sliding chute block; and the adjustable clamp comprises a base and a support rod. The bi-stable composite material experimental test device has the beneficial effects of being suitable for stable transition tests and experiments of a bi-stable composite material, adapting to experimental test analysis of bi-stable composite material structures of different sizes, laying angles and deformation directions, and being simple in structure, high in stability and easy to assemble, disassemble, maintain and debug.
Description
Technical field
The utility model relates to a kind of bistable state compound substance experiment test device, relates to experiment analytical method and the proving installation of antisymmetry, asymmetric laying Composite Cylindrical Shell structure bistable behaviour.
Background technology
The bistable state composite structure is a kind of novel intellectual material structure, have the combination properties such as lightweight, high strength and space availability ratio height, more have simultaneously extension and wind up two kinds of steady state (SS)s owing to it, the bistable characteristic that does not need external force to keep when keeping stable state, be with a wide range of applications in fields such as aerospacecraft (such as solar panel array, antenna and various rod shaped structure), deformable wing and fan blades, therefore become in recent years one of hot issue of Chinese scholars research.But the experimental study for the bistable state axisymmetrical laminated shell is all deficient at present, experiment test device is simpler, especially be directed to antisymmetry and lay the research of the bistable behaviour of cylindrical shell, only experiment for the antisymmetry axisymmetrical laminated shell also is the mechanics bending property that is conceived to study housing.Based on this, design, invent a kind of for realizing the conversion of axisymmetrical laminated shell bistable state and the experiment test device that its stable state transition process is observed, studied.
Summary of the invention
The utility model for equal deficient, the better simply problem of experiment test device of the experimental study of bistable state axisymmetrical laminated shell, has proposed a kind of for realizing the conversion of axisymmetrical laminated shell bistable state and the bistable state compound substance experiment test device that its stable state transition process is observed, studied at present.
Bistable state compound substance experiment test device described in the utility model, comprise cupping machine, it is characterized in that: servo-actuated mechanical pushing hands is installed on the described cupping machine, can regulate pressure head and adjustable clamp, described servo-actuated mechanical pushing hands comprises support, the first stepper motor, the first transmission shaft, the second stepper motor, second driving shaft, the 3rd stepper motor, pushing hands, described the first stepper motor is installed on the described support, one end of described the first transmission shaft is connected with described the first stepper motor by spur gear, and the other end connects an end of the first swivel arm; Described the second stepper motor is installed in the described first swivel arm other end, and is connected with an end of described second driving shaft by spiral gear, and the other end of described second driving shaft connects the second swivel arm; Described the 3rd stepper motor is installed on described the second swivel arm, and is connected with described pushing hands by the rack-and-pinion transmission;
The described pressure head of regulating comprises pressure head slide block, runner block, pressure head handle, and described pressure head slide block is bolted on the chute guide rail of described runner block; Described pressure head handle is screwed onto on the described runner block, offers pilot hole on the described pressure head handle, is fixed on the cupping machine by register pin;
Described adjustable clamp comprises base, support bar, and described support bar is bolted on the chute of described base support slipper is installed; One end of described support bar is screwed onto on the described base, and the other end is fixed on the tension test machine platform.
The bottom of described pressure head slide block is that circular arc is most advanced and sophisticated.
The number of described pressure head slide block is 2, on the symmetrical chute guide rail that is installed in described runner block.
The number of described support slipper is 2, on the symmetrical chute that is installed in described base.
Described servo-actuated mechanical pushing hands is used in pairs, the symmetrical both sides that are installed in the tension test machine platform.
Described cupping machine configuration power-displacement transducer.
Be connected by cylinder roller bearing between described the first transmission shaft and described the first swivel arm.
Fix by angular contact ball bearing between described second driving shaft and described the second swivel arm.
Before the experiment, first servo-actuated mechanical pushing hands is installed in tension test machine platform both sides, is installed on the cupping machine regulating pressure head and adjustable clamp, consisted of the basic platform of experiment; Then, the bistable state axisymmetrical laminated shell test specimen that will be in the first stable state is positioned on the adjustable clamp, regulates in order to two support slippers supporting to correct position, regulates the relative position of two pressure head slide blocks, sets the speed that can regulate the pressure head feeding; During the experiment beginning, cupping machine provides driving force that bistable state axisymmetrical laminated shell test specimen is slowly flattened by original state by regulating pressure head, and beginning changes to the second stable state, at this moment, servo-actuated mechanical pushing hands begins action, pushing hands contacts with the some A of bistable state axisymmetrical laminated shell test specimen and is servo-actuated according to default movement locus, the bistable state axisymmetrical laminated shell test specimen of auxiliary the first stable state is to the transformation of the second stable state and provide transformation required real-time power, realize the second stable state of test specimen, power-the displacement transducer of cupping machine configuration can record the required maximum load of test specimen generation elasticity sudden change, and the load-displacement curves of acquisition test piece deformation process, like this, can regulate pressure head provides the sudden change of test specimen generation elasticity required power, servo-actuated mechanical pushing hands helps bistable state axisymmetrical laminated shell test specimen to be changed to the second stable state by the first stable state, under the common driving of the two, can realize smoothly by the whole experiment porch of building the second stable state of bistable state test specimen, and can catch its deformation process.
The beneficial effects of the utility model are: be applicable to change between the stable state of bistable state compound substance test, experiment (comprising antisymmetry, the multiple paving mode such as asymmetric), can obtain corresponding maximum and change power, load-displacement curves, the first stable state are back to the first stable state etc. to the second stable state transition, the second stable state power and the much informations such as displacement, the second stable state radius-of-curvature; 2) the bistable state composite structure experimental test and analysis of adaptation different size, laying angle, deformation direction; 3) experiment test device is simple, stability is high, is easy to loading and unloading, maintenance and debugging, has important reference for the research of adopting intellectual material to drive (such as piezoelectric, shape memory alloy material etc.).
Description of drawings
Fig. 1 is the front view of servo-actuated mechanical pushing hands of the present utility model.
Fig. 2 is the left view of servo-actuated mechanical pushing hands of the present utility model.
Fig. 3 is the vertical view of servo-actuated mechanical pushing hands of the present utility model.
Fig. 4 is the front view of regulating pressure head of the present utility model.
Fig. 5 is the vertical view of regulating pressure head of the present utility model.
Fig. 6 is the left view of regulating pressure head of the present utility model.
Fig. 7 is the front view of adjustable clamp of the present utility model.
Fig. 8 is the vertical view of adjustable clamp of the present utility model.
Fig. 9 is the left view of adjustable clamp of the present utility model.
Figure 10 be of the present utility model after can regulating pressure head and flattening servo-actuated mechanical pushing hands and the position relationship synoptic diagram of test specimen.
The position view that A was ordered when Figure 11 was test specimen the first stable state of the present utility model (wherein, the point of arrow indication is the A point).
The position view that A was ordered when Figure 12 was test specimen the second stable state of the present utility model (wherein, the point of arrow indication is the A point).
Figure 13 is the position view of adjustable clamp of the present utility model and test specimen.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing
With reference to accompanying drawing:
Bistable state compound substance experiment test device described in the utility model, comprise cupping machine, servo-actuated mechanical pushing hands 1 is installed on the described cupping machine, can regulate pressure head 2 and adjustable clamp 3, described servo-actuated mechanical pushing hands 1 comprises support 11, the first stepper motor 12, the first transmission shaft 13, the second stepper motor 14, second driving shaft 15, the 3rd stepper motor 16, pushing hands 17, described the first stepper motor 12 is installed on the described support 11, one end of described the first transmission shaft 13 is connected with described the first stepper motor 12 by spur gear 131, and the other end connects an end of the first swivel arm 132; Described the second stepper motor 14 is installed in described the first swivel arm 132 other ends, and is connected with an end of described second driving shaft 15 by spiral gear 141, and the other end of described second driving shaft 15 connects the second swivel arm 151; Described the 3rd stepper motor 16 is installed on described the second swivel arm 151, and is connected with described pushing hands 17 by rack-and-pinion transmission 161;
The described pressure head 2 of regulating comprises pressure head slide block 21, runner block 22, pressure head handle 23, and described pressure head slide block 21 is bolted on the chute guide rail 221 of described runner block 22; Described pressure head handle 23 is screwed onto on the described runner block 22, offers pilot hole 231 on the described pressure head handle 23, is fixed on the cupping machine by register pin;
Described adjustable clamp 3 comprises base 31, support bar 32, and support slipper 311 is installed on the chute of described base 31; One end of described support bar 32 is screwed onto on the described base 31, and the other end is fixed on the tension test machine platform.
The bottom of described pressure head slide block 21 is that circular arc is most advanced and sophisticated.
The number of described pressure head slide block 21 is 2, on the symmetrical chute guide rail that is installed in described runner block 22.
The number of described support slipper 311 is 2, on the symmetrical chute that is installed in described base 31.
Described servo-actuated mechanical pushing hands 1 is used in pairs, the symmetrical both sides that are installed in the tension test machine platform.
Described cupping machine configuration power-displacement transducer.
Be connected by cylinder roller bearing between described the first transmission shaft 13 and described the first swivel arm 131.
Fix by angular contact ball bearing between described second driving shaft 15 and described the second swivel arm 151.
Before the experiment, first servo-actuated mechanical pushing hands 1 is installed in tension test machine platform both sides, regulating pressure head 2 and adjustable clamp 3 is installed on the cupping machine, has consisted of the basic platform of experiment; Then, the bistable state axisymmetrical laminated shell test specimen 4 that will be in the first stable state is positioned on the adjustable clamp 3, regulates in order to two support slippers 311 supporting to correct position, regulates the relative position of two pressure head slide blocks 21, sets the speed that can regulate pressure head 2 feedings; During the experiment beginning, cupping machine provides driving force that bistable state axisymmetrical laminated shell test specimen 4 is slowly flattened by original state by regulating pressure head 2, and beginning changes to the second stable state, at this moment, servo-actuated mechanical pushing hands 1 begins action, pushing hands 17 contacts with the some A of bistable state axisymmetrical laminated shell test specimen 4 and is servo-actuated according to default movement locus, the bistable state axisymmetrical laminated shell test specimen 4 of auxiliary the first stable state is to the transformation of the second stable state and provide transformation required real-time power, realize the second stable state of test specimen, power-the displacement transducer of cupping machine configuration can record the required maximum load of test specimen generation elasticity sudden change, and the load-displacement curves of acquisition test piece deformation process, like this, can regulate pressure head 2 provides the sudden change of test specimen generation elasticity required power, servo-actuated mechanical pushing hands 1 helps bistable state axisymmetrical laminated shell test specimen 4 to be changed to the second stable state by the first stable state, under the common driving of the two, can realize smoothly by the whole experiment porch of building the second stable state of bistable state test specimen, and can catch its deformation process.
The described content of this instructions embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.
Claims (8)
1. bistable state compound substance experiment test device, comprise cupping machine, it is characterized in that: servo-actuated mechanical pushing hands is installed on the described cupping machine, can regulates pressure head and adjustable clamp, described servo-actuated mechanical pushing hands comprises support, the first stepper motor, the first transmission shaft, the second stepper motor, second driving shaft, the 3rd stepper motor, pushing hands, described the first stepper motor is installed on the described support, one end of described the first transmission shaft is connected with described the first stepper motor by spur gear, and the other end connects an end of the first swivel arm; Described the second stepper motor is installed in the described first swivel arm other end, and is connected with an end of described second driving shaft by spiral gear, and the other end of described second driving shaft connects the second swivel arm; Described the 3rd stepper motor is installed on described the second swivel arm, and is connected with described pushing hands by the rack-and-pinion transmission;
The described pressure head of regulating comprises pressure head slide block, runner block, pressure head handle, and described pressure head slide block is bolted on the chute guide rail of described runner block; Described pressure head handle is screwed onto on the described runner block, offers pilot hole on the described pressure head handle, is fixed on the cupping machine by register pin;
Described adjustable clamp comprises base, support bar, on the chute of described base support slipper is installed; One end of described support bar is screwed onto on the described base, and the other end is fixed on the tension test machine platform.
2. bistable state compound substance experiment test device as claimed in claim 1 is characterized in that: the bottom of described pressure head slide block is that circular arc is most advanced and sophisticated.
3. bistable state compound substance experiment test device as claimed in claim 2, it is characterized in that: the number of described pressure head slide block is 2, on the symmetrical chute guide rail that is installed in described runner block.
4. bistable state compound substance experiment test device as claimed in claim 1, it is characterized in that: the number of described support slipper is 2, on the symmetrical chute that is installed in described base.
5. bistable state compound substance experiment test device as claimed in claim 1, it is characterized in that: described servo-actuated mechanical pushing hands is used in pairs, the symmetrical both sides that are installed in the tension test machine platform.
6. bistable state compound substance experiment test device as claimed in claim 5 is characterized in that: described cupping machine configuration power-displacement transducer.
7. bistable state compound substance experiment test device as claimed in claim 5 is characterized in that: be connected by cylinder roller bearing between described the first transmission shaft and described the first swivel arm.
8. bistable state compound substance experiment test device as claimed in claim 5 is characterized in that: fix by angular contact ball bearing between described second driving shaft and described the second swivel arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449545 CN202886217U (en) | 2012-09-05 | 2012-09-05 | Bi-stable composite material experimental test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449545 CN202886217U (en) | 2012-09-05 | 2012-09-05 | Bi-stable composite material experimental test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886217U true CN202886217U (en) | 2013-04-17 |
Family
ID=48077631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220449545 Expired - Lifetime CN202886217U (en) | 2012-09-05 | 2012-09-05 | Bi-stable composite material experimental test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841024A (en) * | 2012-09-05 | 2012-12-26 | 浙江工业大学 | Experimental testing device of bistable composite material |
-
2012
- 2012-09-05 CN CN 201220449545 patent/CN202886217U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841024A (en) * | 2012-09-05 | 2012-12-26 | 浙江工业大学 | Experimental testing device of bistable composite material |
| CN102841024B (en) * | 2012-09-05 | 2014-08-06 | 浙江工业大学 | Experimental testing device of bistable composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103207121B (en) | The force self-balanced charger of a kind of different column section node constant shaft | |
| CN106487322B (en) | A kind of flat uniaxial tracking bracket | |
| CN203216811U (en) | Constant-axial force self-balancing loading device for nodes on different column sections | |
| CN201963207U (en) | Jumbolter with two four-bar mechanisms | |
| CN102841024B (en) | Experimental testing device of bistable composite material | |
| CN106644720A (en) | Biaxial stretching device for realizing adjustable stress and strain ratio based on unidirectional testing machine | |
| CN101608991B (en) | Test instrument of shock resistance of high performance material | |
| CN202471397U (en) | Elastic support parts flexibility tester | |
| CN202886217U (en) | Bi-stable composite material experimental test device | |
| CN206945456U (en) | Sample positioning and clamping device in a kind of impact test | |
| CN201897521U (en) | Force sensor calibration apparatus | |
| CN201570503U (en) | Direction adjusting device of solar cell panel | |
| CN201093150Y (en) | Adjustable supporting structure | |
| CN202047352U (en) | Shock-absorbing elastic-plastic damper for bridge | |
| CN204408216U (en) | A kind of piezoelectric generating device gathering wind energy | |
| CN201027352Y (en) | Self-reset hyperelastic shape memory alloy deoscillator | |
| CN201464305U (en) | Impact-resistance test instrument of high-performance material | |
| CN202119669U (en) | Auxiliary experimental structure for measuring pure bending of beams on universal material testing machine | |
| CN206095837U (en) | Two test piece flexural fatigue's of while testing testing machine | |
| CN110001813B (en) | Single-foot driven robot leg capable of rolling friction and sliding simultaneously | |
| CN208556596U (en) | A kind of pin shaft withdrawing device | |
| CN203734600U (en) | Solar cell generation dual-shaft tracking support device | |
| CN214472365U (en) | Concrete load and freeze-thaw cycle coupling test device | |
| CN203396567U (en) | Durability test clamp for double shaft components of automobile exhaust system | |
| CN102944207A (en) | Springback type angle displacement measurement device and measurement method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20140806 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20140806 |
|
| RGAV | Abandon patent right to avoid regrant |