CN102662071B - High-precision wind speed testing support - Google Patents

High-precision wind speed testing support Download PDF

Info

Publication number
CN102662071B
CN102662071B CN201210175818.8A CN201210175818A CN102662071B CN 102662071 B CN102662071 B CN 102662071B CN 201210175818 A CN201210175818 A CN 201210175818A CN 102662071 B CN102662071 B CN 102662071B
Authority
CN
China
Prior art keywords
horizontal
mobile jib
vertical
pull bar
fixed
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
CN201210175818.8A
Other languages
Chinese (zh)
Other versions
CN102662071A (en
Inventor
王浩
周广东
邢晨曦
郭彤
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.)
Southeast University
Original Assignee
Southeast University
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 Southeast University filed Critical Southeast University
Priority to CN201210175818.8A priority Critical patent/CN102662071B/en
Publication of CN102662071A publication Critical patent/CN102662071A/en
Application granted granted Critical
Publication of CN102662071B publication Critical patent/CN102662071B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a high-precision wind speed testing support which comprises a support portion and a vibration testing portion. The support portion comprises a horizontal main rod (1), a vertical main rod (2), a left horizontal pull rod (3), a right horizontal pull rod (4), a vertical supporting rod (5), a vertical pull rod (6), an illuminating device (8) and a three-directional acceleration sensor (9). The vibration testing portion comprises the three-directional acceleration sensor (9) and a horizontal steel plate (7). The left end of the horizontal main rod (1) is fixed to the surface of a tested structure, the right end of the horizontal main rod (1) projects over the surface of the tested structure, the lower end of the vertical main rod (2) is perpendicularly fixed at the right end of the horizontal main rod (1), an anemometer is mounted at the upper end of the vertical main rod (2), and the vertical main rod (2) and the horizontal main rod (1) are positioned on the same vertical plane. The high-precision wind speed testing support is convenient to carry, capable of getting rid of vibrating interference of the anemometer, high in testing precision and capable of more reasonably meeting needs of wind environment testing of the structure.

Description

A kind of high precision wind speed test bracket
Technical field
The present invention relates to a kind of high precision wind speed test bracket, be particularly useful for when the residing wind environment of heavy construction structure is tested, play at selected test position all kinds of anemoscopes are fixed and reject the effect that structural vibration is disturbed simultaneously, be mainly used in civil structure Wind Engineering field.
Background technology
Disaster caused by a windstorm is one of main disasters kind of disaster, and the casualties and the economic loss that by it, are caused are huge.In recent years; China southeastern coastal areas have been built up in succession a collection ofly has world's influence power greatly across, tall and slender structure, such as: the profit that main span is 1490 meters is raised bridge, Oriental Pearl's tower, Shanghai World Financial Center etc. to the world's the 1st large span stayed-cable bridge---bridge, the world's the 3rd large-span suspension bridge are led in the Soviet Union that main span is 1088 meters---.Along with the continuous increase of structural span and height, the structure trend is flexible, to the susceptibility increasing of wind; And these structures, in the multiple district of typhoon, the positive situation about attacking of typhoon even likely occurs suffering, make wind load usually become the major control load of structural design.China also quite lacks for the field data of different builder's yard wind field characteristics at present, and the wind load value of structural design does not have enough measured data supports yet.Therefore, carry out the wind characteristic actual measurement work meaning of different regions great.
Existing wind characteristic data mainly come from each weather station, and there are the shortcomings such as sample frequency is low, low precision, data deficiency continuity, acquisition station rareness in these data.Moreover, due to wind characteristic, affected by topography and geomorphology, architectural environment etc. larger, and the wind characteristic of different regions differs greatly, and therefore the test result in an area can not well be applicable to other area.In order to understand the wind field characteristic of builder's yard, often need to install anemoscope and carry out field measurement.In the process of actual measurement, need to manage anemoscope is fixed on the air position of distance structure thing surface certain distance at the scene, to reduce buildings, the impact of air flow process be obtained to as far as possible wind characteristic data accurately.This just needs suitable fixed support, and the one end is anemoscope fixedly, and the other end is fixed on the works surface.In actual applications, because most of works surface does not supply the support of anemoscope installation, can only make at the scene a simple support temporarily or directly anemoscope be fixed structurally, so not only causing the inaccurate of test structure, returning test job has increased difficulty.Therefore, be badly in need of a kind of wind-velocity indicator support that can allow the tester carry and have the advantages such as good stability, attaching/detaching is simple, accommodative ability of environment is strong.For this reason, Southeast China University has applied for national inventing patent---a kind of wind-velocity indicator support (license number: ZL200810196374.X, inventor: Wang Hao, Li Aiqun, Wang Chen, Xie Jing), apply in surveying wind at the scene that this patent has been raised bridge, the logical bridge of Soviet Union etc. in profit.
Yet, structure meeting vibration-generating under wind action, the anemoscope that is fixed in the works surface also can constantly vibrate, and this vibration obviously can impact test, makes undoubtedly the test data of anemoscope have certain deviation.Use inaccurate wind characteristic data will make the structure charming appearance and behaviour response of calculating have error, under extreme case, also may cause structural collapse, cause the loss that can't retrieve.Therefore, designing a kind of high precision wind speed test bracket designs most important for rational structures under wind.Yet be only by wind-velocity indicator support, anemoscope to be fixed in to body structure surface to carry out the wind characteristic test at present, can't remove the impact of vibration interference on test result at all.
Structural vibration obtains the theoretical analysis model of anemoscope tests affect is not so difficult.Two groups of wind-tunnel contrast tests that have definite wind load input by design can obtain.Wherein one group is that anemoscope is fixed, and another group anemoscope has fixing acceleration input.By the contrast of two groups of results of wind tunnel, can obtain the theoretical model research of vibration on the impact of wind characteristic test result, and set up accordingly the effective solution of vibration on the impact of wind characteristic test result.
For the anemoscope that meets the wind characteristic field measurement is fixing and the needs of test data correction, select the high-strength light stainless steel material to make wind-velocity indicator support, and vibration testing instrument is installed on support, utilizing Results of Vibration to revise the anemoscope image data is one of effective way.Horizon bar at existing wind-velocity indicator support is installed the high-precision three-dimensional vibration transducer near the works surface location.Also measure the vibration of works in the anemoscope fixed position when measuring wind characteristic.Utilize vibration data to be revised the collection result of anemoscope, thereby reject the error of the wind characteristic test data caused due to structural vibration, greatly improve the accuracy of wind characteristic test result.The horizon bar of wind-velocity indicator support, support and vertical bar all can carry out length adjustment according to field condition, and all parts all can mount and dismount easily, make wind-velocity indicator support carry and convenience.In addition, can light fixture be installed to meet the needs of test at night in the bottom of montant.
Summary of the invention
technical matters:technical matters to be solved by this invention is to provide a kind of high precision wind speed test bracket of eliminating structural vibration, not only can meet different engineering structures and different tests position to the measurement requirement of wind characteristic, can reliably, stably anemoscope be fixed in to the works surface; Can also measure the structural vibration at position, anemoscope place, and utilize vibration data to be revised to improve measuring accuracy to the wind characteristic test result simultaneously.
technical scheme:for solving the problems of the technologies described above, the invention provides a kind of high precision wind speed test bracket, comprise holder part and vibration-testing part, described holder part comprises the horizontal mobile jib of horizontal positioned, vertical mobile jib, horizontal left lever, the right pull bar of level, vertical strut, vertical pull bar, light fixture and three-dimensional acceleration transducer; Described vibration-testing partly comprises three-dimensional acceleration transducer and two parts of horizontal steel plate, wherein,
Horizontal mobile jib left end is fixed in tested works surface, and right-hand member protrudes from tested works surface;
Vertically horizontal mobile jib right-hand member vertically is fixed in the lower end of mobile jib, and vertically the mobile jib upper end is for anemoscope is installed, and vertically mobile jib and horizontal mobile jib in same perpendicular;
One end of horizontal left lever and the right pull bar of level is individually fixed in horizontal mobile jib right-hand member, and the other end of horizontal left lever and the right pull bar of level is individually fixed in tested works surface, and horizontal left lever, the right pull bar of level and horizontal mobile jib are in same level;
Vertically an end of strut and vertical pull bar is individually fixed in horizontal mobile jib right-hand member, vertically the other end of strut and vertical pull bar is individually fixed in tested works surface, and vertically strut, vertical pull bar, horizontal mobile jib are with vertical mobile jib in same perpendicular, and vertically the mobile jib upper end is for installing anemoscope;
Horizontal Plate Welding is in the close left end of horizontal mobile jib upper surface position;
The three-dimensional acceleration transducer is fixed in horizontal upper surface of steel plate; Horizontal mobile jib left end downside is installed light fixture.
Preferably, the area of horizontal steel plate is identical with the base area of speed pickup.
beneficial effect:by the Integrated design to wind speed test bracket and vibration-testing part, make this high precision wind speed test bracket not only can meet the installation requirement of different test environments to anemoscope, but there is good stability, can throw light on, scalable attaching/detaching, the function such as portable and anticorrosion, can adapt to better all kinds of field test work; Also can utilize the vibration-testing data to be revised the test result of anemoscope simultaneously, improve the wind characteristic measuring accuracy.Obviously, this wind-velocity indicator support provides many facilities to vast Wind Engineering testing research personnel, along with both at home and abroad to the increase of wind characteristic field measurement attention degree and Structural Wind Engineering research towards the future development that becomes more meticulous, this high precision wind speed test bracket must be subject to engineering technical personnel's favor, therefore has future in engineering applications widely.
The accompanying drawing explanation
Fig. 1 is the vertical view after wind speed test bracket of the present invention is installed;
Fig. 2 is the right view after wind speed test bracket of the present invention is installed;
Fig. 3 is the front view after wind speed test bracket of the present invention is installed;
Fig. 4 is the 3 dimensional drawing of horizontal mobile jib in the present invention;
Fig. 5 is the 3 dimensional drawing of vertical mobile jib in the present invention;
Fig. 6 is the 3 dimensional drawing of horizontal left lever in the present invention, the right pull bar of level, vertical strut and vertical pull bar;
In figure, each Reference numeral is: horizontal mobile jib 1; Vertical mobile jib 2; Horizontal left lever 3; The right pull bar 4 of level; Vertical strut 5; Vertical pull bar 6; Horizontal steel plate 7; Light fixture 8, high precision three-dimensional acceleration transducer 9.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Fig. 1~Fig. 6, wind speed test bracket of the present invention comprises horizontal mobile jib 1; Vertical mobile jib 2; Horizontal left lever 3; The right pull bar 4 of level; Vertical strut 5; Vertical pull bar 6; Horizontal steel plate 7; Light fixture 8, high precision three-dimensional acceleration transducer 9.
Horizontal mobile jib 1 horizontal positioned, left end is fixed in tested works surface, and right-hand member protrudes from tested works surface; Vertically horizontal mobile jib right-hand member 3 vertically is fixed in mobile jib 2 lower ends, and various types of high precision anemoscopes can be installed in upper end, and with horizontal mobile jib 1 in same perpendicular; The right-hand member of horizontal left lever 3 and the right pull bar 4 of level is individually fixed in the arranged on left and right sides of horizontal mobile jib 1 right-hand member, and left end is fixed in tested works surface, and with horizontal mobile jib 1 in same level; Vertically strut 5 and vertically the right-hand member of pull bar 6 be individually fixed in the upper and lower both sides of horizontal mobile jib 1 right-hand member, left end is fixed in tested works surface, and with horizontal mobile jib 1 in same perpendicular; Horizontal steel plate 7 is welded in horizontal mobile jib 1 upper surface near the left end position.
Horizontal mobile jib 1, horizontal left lever 3, the right pull bar 4 of level, vertical strut 5 and vertical pull bar 6 all can be regulated 5 kinds of length, as shown in Figure 4; Vertically mobile jib 2 can be regulated 2 kinds of length, as shown in Figure 5; The left and right strut of level and vertical upper connecting rod can also be regulated 5 kinds of length, as shown in Figure 6.All rod members of high precision wind speed test bracket are telescopic structure, between rod member and rod member, by removably, are connected.In high precision wind speed test bracket used time not, each rod member of support is taken apart mutually, and each root rod member is reduced to the shortest, to be convenient for carrying.When high precision wind speed test bracket is used, at first according to the situation of the building surface of test position, regulate in advance the length of horizontal mobile jib 1, vertical mobile jib 2, horizontal left lever 3, the right pull bar 4 of level, vertical strut 5 and vertical pull bar 6, make that support is installed on its horizontal mobile jib 1 level after body structure surface, vertically mobile jib 2 is vertical, and it is as far as possible far away to make vertical mobile jib 2 leave building surface; Secondly vertical mobile jib 2 is fixed in to horizontal mobile jib 1 right-hand member, the right-hand member of horizontal left lever 3, the right pull bar 4 of level, vertical strut 5 and vertical pull bar 6 is fixed in to horizontal mobile jib 1 right-hand member, the left end of horizontal mobile jib 1, horizontal left lever 3, the right pull bar 4 of level, vertical strut 5 and vertical pull bar 6 is fixed in to works to be measured surface; Finally vibration-testing part 9 is fixed in to horizontal steel plate 7 upper surfaces, wind-velocity indicator support installation.In the process of carrying out the wind characteristic test, utilize high precision three-dimensional acceleration transducer 9 to gather acceleration information, so that the anemoscope test data is revised simultaneously.When carrying out the wind characteristic test night, light fixture 8 is fixed in to the lower end of vertical mobile jib 2, reach the effect to anemoscope and tester's illumination.
Below principle of work of the present invention is further described in detail:
This support can be regulated the length of rod member, and 5 kinds of length of horizontal mobile jib are respectively 1a, 2a, 3a, 4a, 5a, and (wherein a is a constant, take m as unit, lower same), wherein the wall thickness of every section rod member is 0.5cm, and maximum outside diameter is 12cm; Vertically the adjustable two kinds of length of mobile jib are respectively 3a and 6a, and wherein the wall thickness of every section rod member is 1cm, and maximum outside diameter is 12cm; The left and right strut of level and the vertical adjustable 5 kinds of length of upper connecting rod are respectively 1.5a, 3a, 4.5a, 6a, 7.5a, and wherein the wall thickness of every section rod member is 0.5cm, and maximum outside diameter is 12cm.
At first need before installation to determine horizontal mobile jib and 4 vaulting poles are fixed on by which position of geodesic structure, to determine the length of horizontal mobile jib, triatic stay, vertical support (drawing) bar.The length that simultaneously it is noted that triatic stay, vertical support (drawing) bar is one to one.For example, horizontal mobile jib is got length while being 1a, corresponding triatic stay and vertically the length of upper connecting rod be 1.5a, by that analogy.
The vibration signal that described high precision three-dimensional acceleration transducer 9 records, must be applied the theoretical analysis model of wind characteristic test result impact in the integrated structure vibration.At first measured the vibration of anemoscope self by acceleration transducer 9, then according to theoretical analysis model, the impact of vibration is rejected.Structural vibration is as follows on the theoretical analysis model of wind characteristic test result impact: the wind speed of establishing test is v, the acceleration of test is a, revised wind speed is w, can utilize following formula to be revised test result:
(1)
In formula, for the coefficient of measuring by experiment.Wherein utilize anemoscope test wind characteristic parameter, comprise wind speed and direction; Utilize the vibration acceleration of high precision three-dimensional acceleration transducer 9 test anemoscope point of fixity simultaneously.
The foregoing is only better embodiment of the present invention; protection scope of the present invention is not limited with above-mentioned embodiment; in every case the equivalence that those of ordinary skills do according to disclosed content is modified or is changed, and all should include in the protection domain of putting down in writing in claims.

Claims (2)

1. a high precision wind speed test bracket, comprise holder part and vibration-testing part, it is characterized in that: described holder part comprises the horizontal mobile jib (1) of horizontal positioned, vertical mobile jib (2), horizontal left lever (3), the right pull bar of level (4), vertical strut (5), vertical pull bar (6), light fixture (8); Described vibration-testing partly comprises three-dimensional acceleration transducer (9) and (7) two parts of horizontal steel plate, wherein,
Horizontal mobile jib (1) left end is fixed in tested works surface, and right-hand member protrudes from tested works surface;
Vertically horizontal mobile jib (1) right-hand member vertically is fixed in the lower end of mobile jib (2), and vertically mobile jib (2) upper end is for anemoscope is installed, and vertically mobile jib (2) with horizontal mobile jib (1) in same perpendicular;
One end of horizontal left lever (3) and the right pull bar of level (4) is individually fixed in horizontal mobile jib (1) right-hand member, the other end of horizontal left lever (3) and the right pull bar of level (4) is individually fixed in tested works surface, and horizontal left lever (3), the right pull bar of level (4) and horizontal mobile jib (1) are in same level;
Vertically an end of strut (5) and vertical pull bar (6) is individually fixed in horizontal mobile jib (1) right-hand member, vertically the other end of strut (5) and vertical pull bar (6) is individually fixed in tested works surface, and vertically strut (5), vertical pull bar (6), horizontal mobile jib (1) are with vertical mobile jib (2) in same perpendicular, and vertically mobile jib (2) upper end is for installing anemoscope;
Horizontal steel plate (7) is welded in horizontal mobile jib (1) upper surface near the left end position;
Three-dimensional acceleration transducer (9) is fixed in horizontal steel plate (7) upper surface; Horizontal mobile jib (1) left end downside is installed light fixture (8).
2. wind speed test bracket according to claim 1, it is characterized in that: the area of horizontal steel plate (7) is identical with the base area of three-dimensional acceleration transducer (9).
CN201210175818.8A 2012-05-31 2012-05-31 High-precision wind speed testing support Expired - Fee Related CN102662071B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210175818.8A CN102662071B (en) 2012-05-31 2012-05-31 High-precision wind speed testing support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210175818.8A CN102662071B (en) 2012-05-31 2012-05-31 High-precision wind speed testing support

Publications (2)

Publication Number Publication Date
CN102662071A CN102662071A (en) 2012-09-12
CN102662071B true CN102662071B (en) 2014-01-08

Family

ID=46771602

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210175818.8A Expired - Fee Related CN102662071B (en) 2012-05-31 2012-05-31 High-precision wind speed testing support

Country Status (1)

Country Link
CN (1) CN102662071B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216718B (en) * 2013-03-26 2015-10-28 国家电网公司 A kind of anemoscope
CN108225714A (en) * 2018-02-02 2018-06-29 哈尔滨工程大学 A kind of active vibration-repressing device applied to wind tunnel model vibration suppression
CN110514866B (en) * 2019-08-20 2020-10-02 东南大学 Assembled anemograph support capable of automatically correcting
CN111856058B (en) * 2019-09-09 2022-04-29 东南大学 Anemograph support capable of being fixed on inhaul cable
CN114001817B (en) * 2021-09-29 2022-08-19 东南大学 Acceleration sensor fixing device and method for bridge vibration monitoring

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448961A (en) * 1992-07-13 1995-09-12 Ansteensen; Erik User supported portable sail
CN201032453Y (en) * 2007-02-16 2008-03-05 北京师范大学 Multifunctional field measurement apparatus integrated support platform
CN101349706A (en) * 2008-09-03 2009-01-21 东南大学 Wind-velocity indicator support
CN202614780U (en) * 2012-05-31 2012-12-19 东南大学 High-accuracy wind speed testing support

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050263057A1 (en) * 2004-06-01 2005-12-01 Green Douglas L Cyclosail wind turbine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448961A (en) * 1992-07-13 1995-09-12 Ansteensen; Erik User supported portable sail
CN201032453Y (en) * 2007-02-16 2008-03-05 北京师范大学 Multifunctional field measurement apparatus integrated support platform
CN101349706A (en) * 2008-09-03 2009-01-21 东南大学 Wind-velocity indicator support
CN202614780U (en) * 2012-05-31 2012-12-19 东南大学 High-accuracy wind speed testing support

Also Published As

Publication number Publication date
CN102662071A (en) 2012-09-12

Similar Documents

Publication Publication Date Title
CN102662071B (en) High-precision wind speed testing support
CN201852565U (en) System for measuring downward deflection of crane girder
CN106092024B (en) Model Pile PORE SIZE APPARATUS FOR and stake holes bore diameter measuring method
CN205785177U (en) A kind of high-rise building uniform settlement and Non-uniform Settlement monitoring device
CN103090773A (en) Bridge loading test deflection testing instrument
CN210166018U (en) Subway station foundation pit underground water level real-time supervision device
CN202002786U (en) Instrument for testing deflection of bridge
CN105699215A (en) Novel soft-rock shearing rheometer
CN104132630A (en) Long-term deflection monitoring system and method for long-span bridge
CN104749047A (en) Bent member mechanical property testing device and application method thereof
CN206321248U (en) Electromagnetic levitation type bridge main tower tower top deviation measurement device
CN103063382B (en) A kind of amount of deflection self-operated measuring unit and measuring method thereof
CN105549127B (en) A kind of the atomized rain strength meter and measurement method of hydraulic model
CN208171233U (en) A kind of bridge deflection test device
CN202994404U (en) Automatic deflection measurement apparatus
CN109916582A (en) A kind of precision amount of deflection self-operated measuring unit and measurement method
CN202614780U (en) High-accuracy wind speed testing support
CN203271724U (en) Multifunctional hole detector
CN206095210U (en) Chi pole is held up in measurement of absorption formula
CN203274740U (en) Inclined angle measuring instrument of electric power pole tower
CN204963845U (en) Measuring device meets an emergency in space based on triaxial inclination location
CN204575459U (en) A kind of flexural member Mechanics Performance Testing device
CN103808282A (en) Anchorage structure displacement monitoring device and method
CN202305156U (en) Bridge static and dynamic displacement testing device
CN204666147U (en) A kind of the earth horizontal shift meter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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: 20140108

Termination date: 20160531