CN206346550U - A kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device - Google Patents

A kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device Download PDF

Info

Publication number
CN206346550U
CN206346550U CN201621207808.8U CN201621207808U CN206346550U CN 206346550 U CN206346550 U CN 206346550U CN 201621207808 U CN201621207808 U CN 201621207808U CN 206346550 U CN206346550 U CN 206346550U
Authority
CN
China
Prior art keywords
layer
self
intelligently
blade
build
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
Application number
CN201621207808.8U
Other languages
Chinese (zh)
Inventor
陈鑫
毛小勇
王亚伟
李爱群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou University of Science and Technology
Original Assignee
Suzhou University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou University of Science and Technology filed Critical Suzhou University of Science and Technology
Priority to CN201621207808.8U priority Critical patent/CN206346550U/en
Application granted granted Critical
Publication of CN206346550U publication Critical patent/CN206346550U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Wind Motors (AREA)

Abstract

Whirlpool device is intelligently broken the utility model discloses a kind of self-supporting tall and slender structure of change surface build; including main structure; in the main structure blade is connected with by rotating node; the blade is with driving one end of layer to be connected; the other end of the driving layer is connected with the main structure, and the driving layer both sides are enclosed with environment layer and protective layer.The utility model takes full advantage of the special performance of the intelligent drives material such as aerodynamic principle and marmem, and both using super elastic characteristics are utilized, leaf morphology is adaptively changed at a certain wind speed without external energy;Again using SME, leaf morphology is intelligently changed by external energy;After wind speed reduction, using the automatic recovery ability for driving layer material, blade recovers initial configuration.The device can destroy whirlpool in Vortex-excited vibration wind speed and take off, and can change body structure surface build in larger wind speed again, so that adverse effect of the reduction wind load to self-supporting tall and slender structure to a certain extent.

Description

A kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device
Technical field
The technical field of civil engineering structure wind vibration control device of the present invention, and in particular to one kind changes surface build The intelligent broken whirlpool device of self-supporting tall and slender structure.
Background technology
Self-supporting tall and slender structure is wide variety of structure type in social production life, with the continuous hair of national economy Open up, the structure such as wind power generation stepped, self-supporting electric power pylon, high chimney gradually increases, and increasingly develops toward high soft direction. Because section is often circular or approximate circle polygon, elongated structure type causes them easily to occur Vortex-excited vibration, So that it is chronically at the working condition toward combined stress, in the case of not up to its ultimate load, just very likely occur Destroyed caused by fatigue damage, cause great economic loss.Therefore, taking measures to mitigate the influence of wind-induced vibration turns into this kind of One of key of structure design.
At present, the means more commonly used are to suppress the excessive vibratory response of this class formation using tuned damper, are such as adjusted Frequency mass damper(Tuned Mass Damper, TMD), tuned liquid damper, TLD, tuned sloshing damper(Tuned Liquid Damper, TMD) With frequency modulation column damper(Tuned Liquid Column Damper, TMD).However, this kind of device is past under earthquake disaster Toward can not play a role, the increase of seismic response is caused due to addition of excessive quality on the contrary sometimes, is brought to structure Bigger damage.In addition to this kind of vibration control technology, aerodynamic countermeasure be suppress Vortex-excited vibration another is important Thinking, its theory is to change construction profile by some measures, so that the vortex shedding for causing whirlpool to shake can not occur, thus And generate the board-type and screw type commonly used in engineering and break solar or lunar halo.However, these broken solar or lunar halo are although significantly reduce beam wind To vortex-induced vibration, but Shape Coefficient by structure in down wind increases 20% or so, causes the interim down wind of hurricane to shake Dynamic response is significantly increased, it is possible to causing structural damage or even collapsing.
Therefore, how to make full use of brokenly solar or lunar halo to suppress the advantage of vortex-induced vibration, and reduce its down wind to Shape Coefficient Amplification has certain practical significance.It is contemplated that using the special performance of the intellectual materials such as marmem, if A kind of intelligence that can change structural style according to wind field ambient intelligence of meter breaks whirlpool device.
The content of the invention
It is high there is provided a kind of self-supporting of change surface build that the object of the present invention is to overcome the problems of the prior art Alarm structure intelligent and break whirlpool device.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
In a kind of self-supporting tall and slender structure of change surface build intelligently broken whirlpool device, including main structure, the main structure Blade is connected with by rotating node, the blade is connected with one end of the driving layer, the other end of the driving layer and institute State main structure to be connected, the driving layer both sides are enclosed with environment layer.
Further, the environment layer is two layers including inside and outside, and the outside of inside and outside two layers environment layer is enclosed with guarantor Sheath.
Further, the inner side of the protective layer with it is closely coupled on the outside of the main structure.
Further, the rotation node is by lower stretching steel plate, rotating shaft and upper stretching steel plate composition.
Further, the driving layer uses marmem or magnetic shape memory alloy, and form is silk material or thin Film.
Further, the environment layer is provides the strip columnar structure in temperature field or magnetic field by coil heats layer;It is described to protect Sheath uses sheet metal or the light-weight high-strength material with waterproof, fire resistance property.
Beneficial effects of the present invention:
The present invention takes full advantage of the special performance of the intelligent drives material such as aerodynamic principle and marmem, Both using super elastic characteristics are utilized, leaf morphology is adaptively changed at a certain wind speed without external energy;It is again available SME, leaf morphology is intelligently changed by external energy;After wind speed reduction, the self- recoverage for driving layer material is utilized Ability, blade recovers initial configuration.The device can destroy whirlpool in Vortex-excited vibration wind speed and take off, and can change again in larger wind speed Body structure surface build, so that adverse effect of the reduction wind load to self-supporting tall and slender structure to a certain extent.
Brief description of the drawings
Fig. 1 is the elevational schematic view of the present invention;
Fig. 2 is the 1-1 diagrammatic cross-sections of the present invention;
Fig. 3 is the 2-2 diagrammatic cross-sections of the present invention;
Fig. 4 is the partial horizontal cross-sectional schematic detail view of the present invention;
Fig. 5(a)It is the local vertical cross section schematic detail view of the present invention;
Fig. 5(b)It is the local vertical cross section close-up schematic view of the present invention;
Fig. 6(a)It is the local vertical cross section schematic detail view of another embodiment of the invention;
Fig. 6(b)It is the local vertical cross section close-up schematic view of another embodiment of the invention.
Label declaration in figure:1st, main structure, 2, main structure, 3, driving layer, 4, environment layer, 5, protective layer, 6, rotate node, 61st, lower stretching steel plate, 62, rotating shaft, 63, stretch out steel plate.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
Shown in reference picture 1-4, a kind of self-supporting tall and slender structure of change surface main structure build intelligently breaks whirlpool device, including Blade 2 is connected with by rotating node 6 in main structure 1, the main structure 1, one end of the blade 2 and the driving layer 3 connects Connect, the other end of the driving layer 3 is connected with the main structure 1, driving layer 3 both sides are enclosed with environment layer 4.
It is preferred that, blade 2 uses steel or other high-strength materials, and its root is by rotating node 6 and the surface of main structure 1 It is connected, while being connected in its both sides with the driving extension of layer 3.
Further, the environment layer 4 is two layers including inside and outside, and the outside of inside and outside two layers environment layer 4 is enclosed with Protective layer 5, the environment layer 4 is mainly to drive layer 3 to provide temperature field or magnetic field required for deformation, is wrapped in driving layer Inside and outside both sides(Such as accompanying drawing 5), can also be wrapped up according to the cross sectional shape of the driving material of layer 3(Such as accompanying drawing 6), hot-wire coil can be used Variable temperature field or magnetic field is provided etc. mode.
Further, the inner side of the protective layer 5 and the outside of main structure 1 are closely coupled.
Further, the rotation node 6 is made up of lower stretching steel plate 61, rotating shaft 62 and upper stretching steel plate 63, using steel Material etc. has higher-strength and the material of rigidity, and two ends are affixed by steel plate and main structure 1, and the sleeve of the root of blade 2, which is enclosed on, to be turned Formed outside axle can Plane Rotation be reliably connected.
Further, the driving layer 3 uses marmem or magnetic shape memory alloy, and form is silk material or thin Film, can apply prestressing force, so that blade 2 has one under the effect of normality wind to the alloy material for driving layer 3 as needed Fixed rigidity, can play brokenly the function of solar or lunar halo.
Further, the environment layer 4 provides the strip columnar structure in temperature field or magnetic field for coil heats layer;The protection Layer 5 uses sheet metal or the light-weight high-strength material with waterproof, fire resistance property.
The principle of the present invention:
Under the relatively low wind speed effect of normality wind, apply the shape memory alloy material after prestressing force(Drive layer)In Austria Family name's body state, because shape memory alloy material is arranged symmetrically along blade both sides, whole system has larger rigidity, blade Fixed, the whirlpool of destruction circular cross-section takes off process, plays the effect of broken solar or lunar halo;Increase or hurricane with wind speed are arrived, and structure is remote From Vortex-excited vibration state, the wind pressure now acted on blade increases therewith, and the stress in marmem increases therewith, By rationally designing so that in certain wind speed, martensitic traoformation occurs for marmem, produces moderate finite deformation, pulls The blade vertical with down wind is packed up, it is ensured that the overall Shape Coefficient of structure does not have or less increase;Also can in main structure or The sensors such as blade arrangement wind speed, pressure or acceleration, monitoring wind speed, blast or response are powered change the middle temperature of environment layer accordingly The temperature of field is spent, the form of blade is controlled, to reach purpose that suitable, crosswind response is minimum;After wind speed reduces again, due to SME or superelastic effect, blade restPose automatically again.So, the invention both can be in expected wind speed certainly It is dynamic to shrink, change main structure build, also intelligently blade can be controlled to reach the phase by the change in temperature field in environment layer or magnetic field Inspection of body statue and movements, and original state is automatically restored to after wind speed reduction, so as to reduce wind load pair by aerodynamic principle Self-supporting tall and slender structure is damaged.
The implementation steps of the present invention:
(1)Blade 2, the material of driving layer 3 according to needed for being determined the cross section property of main structure 1, dynamic characteristics and wind field environment Material, size and link position, and design corresponding environment layer 4, protective layer 5 and rotate node 6.
(2)Device can be installed on the corresponding section of self-supporting tall and slender structure in advance in factory, can also pacify in build on-site Loaded on structure corresponding site;The lower stretching steel plate 61 of node 6 will be rotated, upper stretching steel plate 63 is welded with main structure 1 or entirety is poured Build.
(3)In the surface packing protective layer 5 of main structure 1, environment layer 4 is wrapped up on the surface of protective layer 5;The surface of environment layer 4 is set The shape memory alloy material of driving layer 3 is put, shape memory alloy material is silk material or film, its one end and the surface of main structure 1 It is affixed;In the outside parcel outside environment layer 4 of driving layer 3 and protective layer 5, and the marmem for driving layer 3 is stretched out.
(4)The root of blade 2 produced in advance is enclosed in rotating shaft 62, then welded rotating shaft 62 or otherwise It is fixed between lower stretching steel plate 61 and upper stretching steel plate 63.
(5)The marmem external part and the Preserved node position of blade 2 that drive layer 3 is affixed, and according to design Draw prestressing force so that blade 2 is circumferentially in tensioning state, with certain rigidity;Finally, electricity environment layer 4 stretched out Line is led in the pipeline passway of main structure 1, and is connected with power supply.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, Without departing from the structure of the invention, various modifications and improvements can be made, such as using other shapes of blade, this Protection scope of the present invention should be also considered as a bit, these effects and practical applicability for implementing all without the influence present invention.

Claims (6)

1. a kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device, it is characterised in that including main structure(1), The main structure(1)On by rotating node(6)It is connected with blade(2), the blade(2)With driving layer(3)One end connection, The driving layer(3)The other end and the main structure(1)It is connected, the driving layer(3)Both sides are enclosed with environment layer(4).
2. the self-supporting tall and slender structure of change surface according to claim 1 build intelligently breaks whirlpool device, it is characterised in that The environment layer(4)Including inside and outside two layers, inside and outside two layers environment layer(4)Outside wrap up matcoveredn(5).
3. the self-supporting tall and slender structure of change surface according to claim 2 build intelligently breaks whirlpool device, it is characterised in that The protective layer(5)Inner side and the main structure(1)Outside is closely coupled.
4. the self-supporting tall and slender structure of change surface according to claim 1 build intelligently breaks whirlpool device, it is characterised in that The rotation node(6)By lower stretching steel plate(61), rotating shaft(62)With upper stretching steel plate(63)Composition.
5. the self-supporting tall and slender structure of change surface according to claim 1 build intelligently breaks whirlpool device, it is characterised in that The driving layer(3)Using marmem or magnetic shape memory alloy, form is silk material or film.
6. the self-supporting tall and slender structure of change surface according to claim 2 build intelligently breaks whirlpool device, it is characterised in that The environment layer (4) is provides the strip columnar structure in temperature field or magnetic field by coil heats layer;The protective layer (5) uses thin steel Plate.
CN201621207808.8U 2016-11-09 2016-11-09 A kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device Expired - Fee Related CN206346550U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621207808.8U CN206346550U (en) 2016-11-09 2016-11-09 A kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621207808.8U CN206346550U (en) 2016-11-09 2016-11-09 A kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device

Publications (1)

Publication Number Publication Date
CN206346550U true CN206346550U (en) 2017-07-21

Family

ID=59317076

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621207808.8U Expired - Fee Related CN206346550U (en) 2016-11-09 2016-11-09 A kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device

Country Status (1)

Country Link
CN (1) CN206346550U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401259A (en) * 2016-11-09 2017-02-15 苏州科技大学 Self-standing type high-rise structure intelligent vortex breaking device with surface body form changed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401259A (en) * 2016-11-09 2017-02-15 苏州科技大学 Self-standing type high-rise structure intelligent vortex breaking device with surface body form changed
CN106401259B (en) * 2016-11-09 2019-02-05 苏州科技大学 A kind of broken whirlpool device of self-supporting tall and slender structure intelligence changing surface figure

Similar Documents

Publication Publication Date Title
CN106401259B (en) A kind of broken whirlpool device of self-supporting tall and slender structure intelligence changing surface figure
ES2613182T3 (en) Intelligent power management during a voltage drop in wind turbines
CN106300198B (en) The two parallel wielded-proof device and application method of a kind of overhead transmission line
Murtagh et al. Passive control of wind turbine vibrations including blade/tower interaction and rotationally sampled turbulence
WO2020155643A1 (en) Self-powered active-passive compound rotating inertia drive control system
CN206346550U (en) A kind of self-supporting tall and slender structure of change surface build intelligently breaks whirlpool device
CN102734083B (en) Wind driven generator paddle used for resisting strong wind
CN101692566A (en) Method for controlling wind vibration of electric transmission line high tower
CN101702503A (en) Multi-fission transmission lead torsional vibration swing-preventing device
CN202370088U (en) Rocking wall structure system and ocean platform using system
CN107975159A (en) Assembled Self-resetting energy dissipation brace device and building
CN102409604B (en) Device for damping and protecting bridge structural suspender
CN205935283U (en) Strutting arrangement that resets combats earthquake
CN107083962A (en) A kind of device that Shield-bored tunnels have been deformed based on marmem reparation
Liu et al. Harvesting low-speed wind energy by bistable snap-through and amplified inertial force
Steele et al. Aerodynamics of an ultra light load-aligned rotor for extreme-scale wind turbines
Wang et al. Computation of dynamic stresses in piston rods caused by unsteady hydraulic loads
CN111326956A (en) Steel pipe lightning rod wind vibration control device
CN204491881U (en) Annular curvature associated shape memorial alloy damping device
CN201556914U (en) Multiple-fission transmission conductor torsional vibration anti-galloping device
Mouleeswaran et al. Vibration control of small horizontal axis wind turbine blade with shape memory alloy
CN109707103A (en) The replaceable coupling beam of Self-resetting shear energy dissipation type
ES2282406T3 (en) SYSTEM FOR A TURBINE WITH A LIQUID OR GASEOUS WORK MEDIUM.
CN104674969B (en) Annular curvature-related shape memory alloy damping device
CN202265916U (en) Vibration-reduction control device of tuning quality damper

Legal Events

Date Code Title Description
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170721

Termination date: 20191109