CN203443973U - Calibration experiment table for five-hole wind speed probe - Google Patents
Calibration experiment table for five-hole wind speed probe Download PDFInfo
- Publication number
- CN203443973U CN203443973U CN201320522678.7U CN201320522678U CN203443973U CN 203443973 U CN203443973 U CN 203443973U CN 201320522678 U CN201320522678 U CN 201320522678U CN 203443973 U CN203443973 U CN 203443973U
- Authority
- CN
- China
- Prior art keywords
- wind speed
- hole
- hole wind
- hanging basket
- speed probe
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model discloses a calibration experiment table for a five-hole wind speed probe. Two circular steel tubes of the same size are respectively vertically fixed on two sides of the upper surface of a rectangular steel plate, each circular steel tube is in slip connection with and fixed on one end of one sliding bearing pedestal, two identical suspension rods and a base plate form a U-shaped steel hanging basket, and the upper ends of the two suspension rods are respectively fixed on and connected with the other ends of respective sliding bearing pedestals through a bolt to form a swing mechanism. A round sinking pit is arranged in the center of the base plate of the U-shaped steel hanging basket, and a round rotary plate is installed in the round sinking pit through a bearing, the round rotary plate is provided with a T-shaped groove, and the five-hole wind speed probe is installed in the T-shaped groove. A windswept portion of the five-hole wind speed probe is positioned at the intersection point of the swing axis of the U-shaped steel hanging basket and the rotation axis of the round rotary plate. By employing the calibration experiment table for the five-hole wind speed probe, sideslip angles and pitching angles of the five-hole wind speed probe can be adjusted rapidly and accurately, and the position of the windswept portion of the five-hole wind speed probe in a calibration wind field is maintained, and a constant wind speed is ensured, and the precision and the efficiency of calibration of the five-hole wind speed probe are greatly improved.
Description
Technical field
The utility model relates to the test unit of Wind Engineering technical field of measurement and test, especially relates to a kind of five hole wind speed probe correction experiment tablees.
Background technology
Five hole wind speed probes are important means of testing complex dimensional wind wind speed scalar and vector, because its measuring accuracy is high, with low cost, are used widely.Before using, must calibrate by five hole wind speed probes, so-called calibration is placed on five hole wind speed probes in the uniform flow field of known wind speed and direction exactly, measure the pressure of five pressure taps of five-hole probe when different wind speed, different yaw angle and pitch angle, draw out the calibration curves such as angular characteristics curve, dynamic pressure performance curve, stagnation pressure characteristic curve, Static compression performance curve.When complex three-dimensional wind field is tested, just can be by the pressure of five pressure taps of the test of method of rotation not, then inquire about calibration curve and obtain dimensional wind wind speed scalar and vector.
Because five hole wind speed probe correction workloads are very large, the accuracy requirement that probe is installed is very high, regrettably most domestic wind tunnel laboratory does not all have a set of device that probe energy accurate adjustment yaw angle and pitch angle can be installed more neatly at present, has a strong impact on calibration accuracy and the calibration efficiency of five-hole probe.
Summary of the invention
The purpose of this utility model is to provide a kind of five hole wind speed probe correction experiment tablees, can greatly improve the precision of five-hole probe install and adjust yaw angle and pitch angle, promote the efficiency of five hole wind speed probe corrections, for the research and development of five-hole probe with apply and lay the foundation.
The utility model solves the technical scheme that its technical matters adopts:
The lower end of two measure-alike round steel pipe of the present utility model is vertically fixed on the both sides of rectangular steel plates upper surface, upper end two round steel pipe is slidably connected and fixes with one end of plain bearing housing respectively, the lower end symmetry of two measure-alike suspension rods is fixed on the both sides of base plate center upper surface, two suspension rods and base plate form U-shaped steel hanging basket, two suspension rod upper ends are bolted on respectively the other end of plain bearing housing separately and form tilting mechanism, the base plate center of U-shaped steel hanging basket arranges circular heavy hole, the plate upper surface of circular heavy hole periphery is carved with round angle anale settting scale, on the bearing at circular Chen Keng center, round turntable is housed, round turntable center has the T-slot perpendicular with U-shaped steel hanging basket axis of oscillation, the bottom, long limit of L shaped five hole wind speed probes is arranged in T-slot, adjust the position, long limit of L shaped five hole wind speed probes, the minor face end face of L shaped five hole wind speed probes is positioned on round turntable pivot center, the long limit of five hole wind speed probes is fixed in T-slot.
Described round turntable upper surface flushes with the plate upper surface of U-shaped steel hanging basket, and base plate one middle part, side of U-shaped steel hanging basket has screw, and the screw rod that fixedly round turntable rotates is housed in screw.
The minor face end face of described L shaped five hole wind speed probes is centered close on described U-shaped steel hanging basket axis of oscillation.
Described round turntable circumference is carved with an angle index line, and an angle index line can be indicated on any scale of round angle anale settting scale.
The base plate both sides of described U-shaped steel hanging basket are separately installed with the inclinator that can show U-shaped steel hanging basket pendulum angle.
The beneficial effects of the utility model are:
The utility model can fast accurately regulate yaw angle and the pitch angle of five-hole probe, and keeps the position assurance wind speed of five hole wind speed probe wind-engaging portions in calibration wind field constant.This device can improve calibration accuracy and the efficiency of five hole wind speed probes greatly.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is side view of the present utility model.
Fig. 4 is A-A sectional view of the present utility model.
Fig. 5 is B-B sectional view of the present utility model.
Fig. 6 is the A-A sectional view of the utility model embodiment.
Fig. 7 is the B-B sectional view of the utility model embodiment.
In figure: 1, round steel pipe, 2, rectangular steel plates, 3, plain bearing housing, 4, suspension rod, 5, base plate, 6, U-shaped steel hanging basket, 7, bolt, 8, bearing, 9, round turntable, 10, T-slot, 11, five hole wind speed probes, 12, screw rod, 13, angle scale, 14, inclinator, 15, calibration wind tunnel, 16, angle index line, 17, pressure tube, 18, electric pressure scaner.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, the lower end of two measure-alike round steel pipe 1 of the present utility model is vertically fixed on the both sides of rectangular steel plates 2 upper surfaces, upper end two round steel pipe 1 is slidably connected and fixes with one end of plain bearing housing 3 respectively, the lower end symmetry of two measure-alike triangle suspension rods 4 is fixed on the both sides of base plate 5 center upper surface, two triangle suspension rods 4 form U-shaped steel hanging basket 6 with base plate 5, two triangle suspension rod 4 upper ends are fixed on the other end of plain bearing housing 3 separately by bolt 7 respectively and form tilting mechanism, base plate 5 centers of U-shaped steel hanging basket 6 arrange circular heavy hole, base plate 5 upper surfaces of circular heavy hole round edge are carved with round angle anale settting scale 13, on the bearing 8 at circular Chen Keng center, round turntable 9 is housed, round turntable 9 centers have the T-slot 10 perpendicular with U-shaped steel hanging basket 6 axiss of oscillation, the bottom, long limit of L shaped five hole wind speed probes 11 is arranged in T-slot 10, adjust the position, long limit of L shaped five hole wind speed probes 11, the minor face end face of L shaped five hole wind speed probes 11 is positioned on round turntable 9 pivot centers, the long limit of five hole wind speed probes 11 is fixed in T-slot 10, five pressure taps of the minor face end face of L shaped five hole wind speed probes 11 are connected with electric pressure scaner 18 by pressure tube 17.
Described round turntable 9 upper surfaces and base plate 5 upper surface flush of U-shaped steel hanging basket 6, base plate 5 one middle parts, side of U-shaped steel hanging basket 6 have screw, and the screw rod 12 that fixedly round turntable 9 rotates is housed in screw.
The minor face end face of described L shaped five hole wind speed probes 11 is centered close on described U-shaped steel hanging basket 6 axiss of oscillation.
Described round turntable 9 circumference are carved with 16, one angle index lines 16 of an angle index line can indicate on any scale of round angle anale settting scale 13.
Embodiment:
The calibration experiments of certain five hole wind speed probe of now take illustrates the using method of this device as example.
As shown in Figure 6, Figure 7, first five hole wind speed probe correction experiment tablees are positioned over to calibration wind tunnel 15 air outlet places, by adjusting the height of two plain bearing housings 3, make the air flow energy of calibration wind tunnel 15 by U-shaped steel hanging basket 6, and guarantee that the intersection point of two bolt 7 axis and round turntable 9 axis is positioned on the axis of calibration wind tunnel 15 outlets.Five hole wind speed probes 11 to be calibrated are installed on T-slot 10, and five hole wind speed probe 11 minor face end faces are positioned on described U-shaped steel hanging basket 6 axiss of oscillation.Unclamp screw rod 12, by viewing angle scale 13, regulate round turntable 9, the yaw angle of five hole wind speed probes 11 is transferred to specified angle, tighten screw rod 12; Unclamp two bolts 7, by observing the mean value of two inclinator 14 readings, swing U-shaped steel hanging basket 6 pitch angle of five hole wind speed probes 11 is transferred to specified angle, tighten two bolts 7.Open calibration wind tunnel 15, adopt electric pressure scaner 18 to measure five hole wind speed probes at the blast of specifying each pressure tap under yaw angle and pitch angle, by changing the outlet wind speed of calibration wind tunnel 15, yaw angle and the pitch angle of five hole wind speed probes 11 are tested and calculated, can obtain needed calibration curve.
Above-mentioned embodiment is used for illustrating the utility model; rather than the utility model is limited; in the protection domain of spirit of the present utility model and claim, any modifications and changes that the utility model is made, all fall into protection domain of the present utility model.
Claims (5)
1. a hole wind speed probe correction experiment table, it is characterized in that: the lower end of two measure-alike round steel pipe (1) is vertically fixed on the both sides of rectangular steel plates (2) upper surface, upper end in two round steel pipe (1) is slidably connected and fixes with one end of plain bearing housing (3) respectively, the lower end symmetry of two measure-alike suspension rods (4) is fixed on the both sides of base plate (5) center upper surface, two suspension rods (4) form U-shaped steel hanging basket (6) with base plate (5), two suspension rods (4) upper end is fixed on the other end of plain bearing housing (3) separately by bolt (7) respectively and forms tilting mechanism, base plate (5) center of U-shaped steel hanging basket (6) arranges circular heavy hole, base plate (5) upper surface of circular heavy hole periphery is carved with round angle anale settting scale (13), on the bearing (8) at circular Chen Keng center, round turntable (9) is housed, round turntable (9) center has the T-slot (10) perpendicular with U-shaped steel hanging basket (6) axis of oscillation, the bottom, long limit of L shaped five hole wind speed probes (11) is arranged in T-slot (10), adjust the position, long limit of L shaped five hole wind speed probes (11), the minor face end face of L shaped five hole wind speed probes (11) is positioned on round turntable (9) pivot center, the long limit of five hole wind speed probes (11) is fixed in T-slot (10).
2. a kind of five hole wind speed probe correction experiment tablees according to claim 1, it is characterized in that: base plate (5) upper surface flush of described round turntable (9) upper surface and U-shaped steel hanging basket (6), base plate (5) one middle parts, side of U-shaped steel hanging basket (6) have screw, and the screw rod (12) that fixedly round turntable (9) rotates is housed in screw.
3. a kind of five hole wind speed probe correction experiment tablees according to claim 1, is characterized in that: the minor face end face of described L shaped five hole wind speed probes (11) is centered close on described U-shaped steel hanging basket (6) axis of oscillation.
4. a kind of five hole wind speed probe correction experiment tablees according to claim 1, it is characterized in that: described round turntable (9) circumference is carved with an angle index line (16), an angle index line (16) can be indicated on any scale of round angle anale settting scale (13).
5. a kind of five hole wind speed probe correction experiment tablees according to claim 1, is characterized in that: base plate (5) both sides of described U-shaped steel hanging basket (6) are separately installed with the inclinator (14) that can show U-shaped steel hanging basket (6) pendulum angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522678.7U CN203443973U (en) | 2013-08-26 | 2013-08-26 | Calibration experiment table for five-hole wind speed probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522678.7U CN203443973U (en) | 2013-08-26 | 2013-08-26 | Calibration experiment table for five-hole wind speed probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443973U true CN203443973U (en) | 2014-02-19 |
Family
ID=50095010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320522678.7U Withdrawn - After Issue CN203443973U (en) | 2013-08-26 | 2013-08-26 | Calibration experiment table for five-hole wind speed probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424571A (en) * | 2013-08-26 | 2013-12-04 | 浙江大学 | Five-hole wind speed probe calibrating experiment table |
| CN105116170A (en) * | 2015-08-19 | 2015-12-02 | 山东省计量科学研究院 | Device for detecting and calibrating anemometer at low wind speed |
-
2013
- 2013-08-26 CN CN201320522678.7U patent/CN203443973U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424571A (en) * | 2013-08-26 | 2013-12-04 | 浙江大学 | Five-hole wind speed probe calibrating experiment table |
| CN103424571B (en) * | 2013-08-26 | 2015-04-15 | 浙江大学 | Five-hole wind speed probe calibrating experiment table |
| CN105116170A (en) * | 2015-08-19 | 2015-12-02 | 山东省计量科学研究院 | Device for detecting and calibrating anemometer at low wind speed |
| CN105116170B (en) * | 2015-08-19 | 2018-05-04 | 山东省计量科学研究院 | A kind of anemometer is traced to the source device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103424571B (en) | Five-hole wind speed probe calibrating experiment table | |
| CN202158818U (en) | Simple and convenient multipurpose detection platform | |
| CN204085427U (en) | A kind of measuring for verticality measurer | |
| CN202994040U (en) | Three-dimensional digital display shellfish form measuring device | |
| CN207132827U (en) | A kind of bearing roller detection means | |
| CN203443970U (en) | Direction controllable pitot tube | |
| CN106153289A (en) | A kind of device for measuring force of model in wind tunnel | |
| CN203443973U (en) | Calibration experiment table for five-hole wind speed probe | |
| CN203241019U (en) | Flatness test rack | |
| CN102704915A (en) | Calibration console and calibration method of inclinometer while drilling | |
| CN209371946U (en) | A kind of template measure and control device | |
| CN204988096U (en) | Mould slip rotation measurement device | |
| CN204142171U (en) | Large scale seam right alignment in-site measurement is equipped | |
| CN204594513U (en) | A kind of probe positioning installation apparatus of ultrasonic flow meter | |
| CN102589399A (en) | Measuring device for sealing surface of flange | |
| CN109990842B (en) | Hydrology current surveying instrument inclination performance detector | |
| CN204594362U (en) | The device of a kind of rapid adjustment dial gauge displacement | |
| CN106969693A (en) | A kind of expansion filling body test block expansion rate determines device | |
| CN106979854B (en) | Device and method for measuring flow of blade boundary layer of hydraulic torque converter | |
| CN205228314U (en) | A percentage table for improving measurement accuracy | |
| CN203629529U (en) | Angle measuring instrument of bolt-sphere | |
| CN201302443Y (en) | Instrument for measuring concentricity of tubular object | |
| CN209841337U (en) | Model support system for realizing double-angle change based on automatic platform | |
| CN203605885U (en) | Crankcase comprehensive test tool | |
| CN203611148U (en) | Support test tooling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |