CN203310603U - Moveable measuring mechanism for high-speed wind tunnel - Google Patents

Moveable measuring mechanism for high-speed wind tunnel Download PDF

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Publication number
CN203310603U
CN203310603U CN2013203683720U CN201320368372U CN203310603U CN 203310603 U CN203310603 U CN 203310603U CN 2013203683720 U CN2013203683720 U CN 2013203683720U CN 201320368372 U CN201320368372 U CN 201320368372U CN 203310603 U CN203310603 U CN 203310603U
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CN
China
Prior art keywords
bevel gear
wind tunnel
bearing
speed wind
screw shaft
Prior art date
Application number
CN2013203683720U
Other languages
Chinese (zh)
Inventor
刘晓伟
秦永明
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中国航天空气动力技术研究院
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Application filed by 中国航天空气动力技术研究院 filed Critical 中国航天空气动力技术研究院
Priority to CN2013203683720U priority Critical patent/CN203310603U/en
Application granted granted Critical
Publication of CN203310603U publication Critical patent/CN203310603U/en

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Abstract

Provided is a moveable measuring mechanism for a high-speed wind tunnel. The moveable measuring mechanism for the high-speed wind tunnel comprises an alternating current servo motor, a speed reducer, a leading screw shaft, a horizontal bevel gear, a clamping cap, a forcing screw, an installation support, a vertical bevel gear, a bearing cap, an adjusting pad, tapered roller bearings, connecting pins, a back-up ring, a bearing connecting seat and a measuring rake. The moveable measuring mechanism for the high-speed wind tunnel is small in blocking degree and large in load bearing, is capable of moving in a straight line in a blowing experiment, and is capable of measuring the pressures on a plurality of cross sections during once blowing, so that the efficiency of flow field detection is improved, and labor intensity is reduced.

Description

A kind of high-speed wind tunnel traverse measurement mechanism
Technical field
The utility model relates to a kind of high-speed wind tunnel traverse measurement mechanism, belongs to the experimental aerodynamics field.
Background technology
New wind-tunnel or the new parts of wind-tunnel, new equipment come into operation, and need to carry out the survey of school, flow field, and whether the specific performance of actual measurement wind-tunnel, the degree of accuracy of flow field quality reach the indices of wind-tunnel design with check, thereby guarantee the quality of wind tunnel test data.
When the high-speed wind tunnel flow field is detected, need carry out the school of cross section Mach Number Distribution and survey, namely on a plurality of cross sections of test chamber, with certain pitch density, dynamic pressure field and the field of direction of designated space point (Flow Field in Wind Tunnel coordinate points) be measured.In prior art, all adopt at present in the school, flow field and survey between the preparatory stage, measured by the method for moved by hand and fixation measuring rake, once blowing can only be carried out the measurement in a cross section, counts manyly due to measurement, and measurement range is large, will expend a large amount of time, labour intensity is large.
Summary of the invention
The purpose of this utility model: overcome the deficiencies in the prior art, a kind of high-speed wind tunnel traverse measurement mechanism is provided, make flow field in the high-speed wind tunnel test detect convenient, quick, effectively improve detection efficiency.
Technical solution of the present utility model:
A kind of high-speed wind tunnel traverse measurement mechanism comprises: AC servo motor, speed reduction unit, lead screw shaft, horizontal bevel gear, friction top, housing screw, mounting bracket, vertical bevel gear, bearing cap, adjustment pad, taper roll bearing, connection pin, back-up ring, bearing Connection Block and measure rake;
Between vertical bevel gear and bearing Connection Block, a pair of taper roll bearing is housed, vertical bevel gear, bearing Connection Block and taper roll bearing link together, shield ring sleeve is on vertical bevel gear, and, between a pair of taper roll bearing, connect pin and with vertical bevel gear, be connected back-up ring as a whole; Bearing cap withstands the place, outer ring near the taper roll bearing of vertical bevel gear, carries out the adjusting of axial pre tightening force by adjusting pad; The bearing Connection Block is arranged on high-speed wind tunnel;
Lead screw shaft is passed the vertical bevel gear central axis, and is joined together to form worm drive by screw-threaded engagement, and the measurement rake is arranged on lead screw shaft and passes on the column cooperation section of exposing after vertical bevel gear;
After AC servo motor and speed reduction unit are direct-connected, be arranged on mounting bracket, use housing screw and friction top that horizontal bevel gear is pressed on the axle that speed reduction unit stretches out, mounting bracket is arranged on high-speed wind tunnel;
Horizontal bevel gear and vertical bevel gear engagement form bevel gear set and carry out transmission.
Described AC servo motor is vertical with the axis of lead screw shaft with the axis after speed reduction unit is direct-connected.
Described lead screw shaft is quill shaft, measures the measurement pipeline of rake from described lead screw shaft, drawing.
Described a pair of taper roll bearing adopts face-to-face mode to install.
The utlity model has following beneficial effect:
(1) the utility model is the biasing of the AC servo motor after direct-connected and speed reduction unit, becomes 90 degree with the lead screw shaft axis is vertical, drives the bevel gear set rotation, drive lead screw shaft formation worm drive in vertical bevel gear.Mechanism's volume is little, and after being arranged on high-speed wind tunnel angle attacking mechanism, place, maximum cross-section radius is not more than place, attack angle mechanism maximum cross-section radius, and congestion degree is little.
(2) the utility model has designed the standard round taper roller bearing of a pair of high precision, large load on vertical bevel gear supports, and adopts face-to-face mode to install, and facilitates installation and removal, can bear the force and moment acted in mechanism.
(3) the utility model has been realized harrowing in flow field cathetus traverse measurement, can effectively reduce the number of times of moved by hand and fixation measuring rake, guarantee to measure precision and the accuracy of rake, thereby effectively reduce test setup time, improve test efficiency, reduced labour intensity.
(4) in the utility model, lead screw shaft adopts the quill shaft design, facilitates the wiring of a large amount of pipelines such as pressure measurement pipeline, has increased wiring reliability and convenience.
The accompanying drawing explanation:
Fig. 1 is a kind of high-speed wind tunnel traverse measurement of the utility model mechanism structure schematic diagram;
Fig. 2 is the scheme of installation of the utility model traverse measurement mechanism;
Fig. 3 is the I part partial enlarged drawing of the utility model traverse measurement mechanism;
Embodiment:
The utility model provides a kind of high-speed wind tunnel traverse measurement mechanism, as shown in Figure 1, Figure 3, comprising:
AC servo motor 1, speed reduction unit 2, lead screw shaft 3, horizontal bevel gear 4, friction top 5, housing screw 6, mounting bracket 7, vertical bevel gear 8, bearing cap 9, adjustment pad 10, taper roll bearing 11, connection pin 12, back-up ring 13, bearing Connection Block 14, measurement rake 15;
The utility model can be divided into three modules: driver module, transmission and link block and measurement module.Wherein, AC servo motor 1, speed reduction unit 2 and mounting bracket 7 form driver module; Lead screw shaft 3, horizontal bevel gear 4, friction top 5, housing screw 6, vertical bevel gear 8, bearing cap 9, adjustment pad 10, taper roll bearing 11, connection pin 12, back-up ring 13 form transmission and link blocks with bearing Connection Block 14; Measure rake 15 and form measurement module;
A kind of high-speed wind tunnel traverse measurement mechanism is characterized in that comprising: AC servo motor 1, speed reduction unit 2, lead screw shaft 3, horizontal bevel gear 4, friction top 5, housing screw 6, mounting bracket 7, vertical bevel gear 8, bearing cap 9, adjust pad 10, taper roll bearing 11, connect pin 12, back-up ring 13, bearing Connection Block 14 and measure rake 15;
A pair of taper roll bearing 11 is housed between vertical bevel gear 8 and bearing Connection Block 14, vertical bevel gear 8, bearing Connection Block 14 and taper roll bearing 11 link together, back-up ring 13 is enclosed within on vertical bevel gear 8, and, between a pair of taper roll bearing 11, connect pin 12 and with vertical bevel gear 8, be connected as a whole back-up ring 13; Bearing cap 9 withstands the place, outer ring near the taper roll bearing of vertical bevel gear (8), carries out the adjusting of axial pre tightening force by adjusting pad 10; Bearing Connection Block 14 is arranged on high-speed wind tunnel;
Lead screw shaft 3 is passed vertical bevel gear 8 central axis, and is joined together to form worm drive by screw-threaded engagement, and measurement rake 15 is arranged on lead screw shaft 3 and passes on the column cooperation section of exposing after vertical bevel gear 8;
After AC servo motor 1 is direct-connected with speed reduction unit 2, be arranged on mounting bracket 7, use housing screw 6 and friction top 5 that horizontal bevel gear 4 is pressed on the axle that speed reduction unit 2 stretches out, mounting bracket 7 is arranged on high-speed wind tunnel, and it act as the driver module of described traverse measurement mechanism is arranged on high-speed wind tunnel.
Horizontal bevel gear 4 and vertical bevel gear 8 engagements form bevel gear set and carry out transmission.
AC servo motor 1 is vertical with the axis of lead screw shaft 3 with the axis after speed reduction unit 2 is direct-connected, and lead screw shaft 3 is quill shaft, measures the measurement pipeline of rake 15 from described lead screw shaft 3, drawing, and a pair of taper roll bearing 11 adopts face-to-face mode to install.
Referring to Fig. 2, when application the utility model measuring mechanism, the driver module of lead screw shaft 3, horizontal bevel gear 4, friction top 5, housing screw 6, vertical bevel gear 8, bearing cap 9, the transmission of adjusting the compositions such as pad 10, taper roll bearing 11 and link block and AC servo motor 1, speed reduction unit 2 and mounting bracket 7 compositions is arranged on to the rear portion of high-speed wind tunnel angle attacking mechanism 17, the measurement rake 15 that forms measurement module is placed on the front portion of high-speed wind tunnel angle attacking mechanism 17.
Pair of keys 18 is contained in the keyway of lead screw shaft 3 front ends, it is symmetrical that pair of keys 18 is 180 degree up and down around lead screw shaft 3; The mider hole of lead screw shaft 3 by high-speed wind tunnel angle attacking mechanism 17 stretched out, and make pair of keys 18 be arranged in the keyway of high-speed wind tunnel angle attacking mechanism 17 by adjusting, realize that the circumference of lead screw shaft 3 is fixed;
By screw 16, with high-speed wind tunnel angle attacking mechanism 17, be connected as a whole bearing Connection Block 14;
The driver module that AC servo motor 1, speed reduction unit 2 and mounting bracket 7 are formed is placed on the vertical lower of transmission and link block, and, by screw, with high-speed wind tunnel angle attacking mechanism 17, is connected as a whole mounting bracket 7; Adjusting makes horizontal bevel gear 4 and vertical bevel gear 8 engagements, thereby form bevel gear set and carry out transmission, the helical motion that coordinates vertical bevel gear 8 and lead screw shaft 3 engagements to form, pair of keys 18 has limited the circular motion of lead screw shaft 3, makes rotatablely moving that described traverse measurement mechanism can provide driver module be converted into the rectilinear motion of measuring rake 15.
During dismounting, at first will measure rake 15 and take off from lead screw shaft 3 front ends, then mounting bracket 7 will be separated with high-speed wind tunnel angle attacking mechanism 17, horizontal bevel gear 4 and vertical bevel gear 8 will be thrown off, and knockout screw 16, ground is pulled down and be transported to remainder from high-speed wind tunnel angle attacking mechanism 17.
The utility model is 2 biasings of the AC servo motor 1 after direct-connected and speed reduction unit, with lead screw shaft 3 axis are vertical, becomes 90 degree, and drives bevel gear set (horizontal bevel gear 4 and vertical bevel gear 8) rotation, the 3 formation worm drive of vertical bevel gear drive lead screw shaft.Mechanism's volume is little, and after being arranged on high-speed wind tunnel angle attacking mechanism, place, maximum cross-section radius is not more than place, attack angle mechanism maximum cross-section radius, and congestion degree is little.Lead screw shaft adopts the quill shaft design, facilitates the wiring of a large amount of pipelines such as pressure measurement pipeline, has increased wiring reliability and convenience.
Aerodynamic loading complexity and value that traverse measurement mechanism bears are larger, for the aerodynamic loading that will act in traverse measurement mechanism is delivered on wind-tunnel, in vertical bevel gear 8, support the standard round taper roller bearing 11 that has designed a pair of high precision, large load, adopt face-to-face mode to install, facilitate installation and removal, can bear the force and moment acted in mechanism.
Through the test of school, flow field, the utility model can meet the test demand that school, high-speed wind tunnel flow field is surveyed, congestion degree is not more than the congestion degree of original attack angle mechanism, can in flow field, realize the straight-line displacement campaign of large stroke, once blowing can be carried out the pressure survey in a plurality of cross sections, has effectively reduced test setup time, has improved test efficiency, save a large amount of compressed-air actuated uses, reduced labour intensity.
The content be not described in detail in instructions of the present invention belongs to the known technology of this area.

Claims (4)

1. a high-speed wind tunnel traverse measurement mechanism, is characterized in that comprising: AC servo motor (1), speed reduction unit (2), lead screw shaft (3), horizontal bevel gear (4), friction top (5), housing screw (6), mounting bracket (7), vertical bevel gear (8), bearing cap (9), adjustment pad (10), taper roll bearing (11), connection pin (12), back-up ring (13), bearing Connection Block (14) and measurement rake (15);
Between vertical bevel gear (8) and bearing Connection Block (14), a pair of taper roll bearing (11) is housed, vertical bevel gear (8), bearing Connection Block (14) and taper roll bearing (11) link together, back-up ring (13) is enclosed within on vertical bevel gear (8), and be positioned between a pair of taper roll bearing (11), connect pin (12) and with vertical bevel gear (8), be connected as a whole back-up ring (13); Bearing cap (9) withstands the place, outer ring near the taper roll bearing of vertical bevel gear (8), carries out the adjusting of axial pre tightening force by adjusting pad (10); Bearing Connection Block (14) is arranged on high-speed wind tunnel;
Lead screw shaft (3) is passed vertical bevel gear (8) central axis, and be joined together to form worm drive by screw-threaded engagement, measure rake (15) and be arranged on lead screw shaft (3) and pass the column that vertical bevel gear (8) exposes afterwards and coordinate on section;
After AC servo motor (1) is direct-connected with speed reduction unit (2), be arranged on mounting bracket (7), use housing screw (6) and friction top (5) that horizontal bevel gear (4) is pressed on the axle that speed reduction unit (2) stretches out, mounting bracket (7) is arranged on high-speed wind tunnel;
Horizontal bevel gear (4) and vertical bevel gear (8) engagement form bevel gear set and carry out transmission.
2. a kind of high-speed wind tunnel traverse measurement mechanism according to claim 1 is characterized in that: described AC servo motor (1) is vertical with the axis of lead screw shaft (3) with the axis after speed reduction unit (2) is direct-connected.
3. a kind of high-speed wind tunnel traverse measurement mechanism according to claim 1, it is characterized in that: described lead screw shaft (3) is quill shaft, measures the measurement pipeline of rake (15) from described lead screw shaft (3), drawing.
4. a kind of high-speed wind tunnel traverse measurement mechanism according to claim 1, it is characterized in that: described a pair of taper roll bearing (11) adopts face-to-face mode to install.
CN2013203683720U 2013-06-25 2013-06-25 Moveable measuring mechanism for high-speed wind tunnel CN203310603U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203683720U CN203310603U (en) 2013-06-25 2013-06-25 Moveable measuring mechanism for high-speed wind tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203683720U CN203310603U (en) 2013-06-25 2013-06-25 Moveable measuring mechanism for high-speed wind tunnel

Publications (1)

Publication Number Publication Date
CN203310603U true CN203310603U (en) 2013-11-27

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Application Number Title Priority Date Filing Date
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103728090A (en) * 2014-01-17 2014-04-16 中国航空工业集团公司哈尔滨空气动力研究所 Large wind tunnel large-stroke axial reciprocation shift measuring device and testing method thereof
CN104359649A (en) * 2014-10-17 2015-02-18 北京航天益森风洞工程技术有限公司 Movable correcting device for common hypersonic-velocity wind tunnel
CN104390759A (en) * 2014-10-17 2015-03-04 北京航天益森风洞工程技术有限公司 Flow field calibration apparatus
CN105181291A (en) * 2015-09-06 2015-12-23 中国科学院力学研究所 Flow field test apparatus for hypersonic propulsion wind tunnel
CN104729826B (en) * 2015-04-13 2017-07-07 中国航天空气动力技术研究院 The jitter suppression device of stagnation pressure comb is surveyed in supersonic wind tunnel velocity field school
CN108007665A (en) * 2017-11-09 2018-05-08 中国石油大学(华东) A kind of wind-tunnel inner sensor erecting device and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103728090A (en) * 2014-01-17 2014-04-16 中国航空工业集团公司哈尔滨空气动力研究所 Large wind tunnel large-stroke axial reciprocation shift measuring device and testing method thereof
CN103728090B (en) * 2014-01-17 2016-05-04 中国航空工业集团公司哈尔滨空气动力研究所 Large tunnel large stroke axial reciprocating movable measuring device and method of testing thereof
CN104359649A (en) * 2014-10-17 2015-02-18 北京航天益森风洞工程技术有限公司 Movable correcting device for common hypersonic-velocity wind tunnel
CN104390759A (en) * 2014-10-17 2015-03-04 北京航天益森风洞工程技术有限公司 Flow field calibration apparatus
CN104390759B (en) * 2014-10-17 2017-04-19 北京航天益森风洞工程技术有限公司 Flow field calibration apparatus
CN104729826B (en) * 2015-04-13 2017-07-07 中国航天空气动力技术研究院 The jitter suppression device of stagnation pressure comb is surveyed in supersonic wind tunnel velocity field school
CN105181291A (en) * 2015-09-06 2015-12-23 中国科学院力学研究所 Flow field test apparatus for hypersonic propulsion wind tunnel
CN108007665A (en) * 2017-11-09 2018-05-08 中国石油大学(华东) A kind of wind-tunnel inner sensor erecting device and method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: The gloomy wind-tunnel engineering of Beijing space flight benefit Co., Ltd

Assignor: China Aerospace Aerodynamic Technology Institute

Contract record no.: 2014990000609

Denomination of utility model: Moveable measuring mechanism for high-speed wind tunnel

Granted publication date: 20131127

License type: Exclusive License

Record date: 20140801

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: 20131127

Termination date: 20160625