CN106969902A - The COMPONENT BALANCE of ultralow temperature six calibrates loading head and loading method - Google Patents
The COMPONENT BALANCE of ultralow temperature six calibrates loading head and loading method Download PDFInfo
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- CN106969902A CN106969902A CN201611268388.9A CN201611268388A CN106969902A CN 106969902 A CN106969902 A CN 106969902A CN 201611268388 A CN201611268388 A CN 201611268388A CN 106969902 A CN106969902 A CN 106969902A
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- Prior art keywords
- loading head
- outer barrel
- ultralow temperature
- balance
- tapered sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
- G01M9/062—Wind tunnel balances; Holding devices combined with measuring arrangements
Abstract
A kind of COMPONENT BALANCE of ultralow temperature six calibration loading head and loading method, the COMPONENT BALANCE of ultralow temperature six calibration loading head includes a power system monitor head, one loading head outer barrel, one tapered sleeve, one measuring basis frame and a gland, the power system monitor head is arranged at the loading head outer barrel, the loading head outer barrel has one first opening and one second opening, and the loading head outer barrel is hollow type, the tapered sleeve is arranged at the inside of the loading head outer barrel, and the tapered sleeve has an accommodating chamber, for accommodating a balance, the measuring basis sets up the front end for being placed in the loading head outer barrel, the gland is arranged at the loading head outer barrel, for the tapered sleeve to be arranged to the inside of the loading head outer barrel, and fitted together after manufacturing respectively in the outer barrel and the measuring basis frame, the manufacture difficulty of the COMPONENT BALANCE of ultralow temperature six calibration loading head can be reduced and manufacturing cost is saved.
Description
Technical field
The present invention relates to a kind of loading head for balance calibration, the more particularly to a kind of COMPONENT BALANCE of ultralow temperature six calibration adds
Carrier head and loading method, wherein in force test in wind tunnel, the COMPONENT BALANCE of ultralow temperature six calibration loading head is used for day flat-die
The six-dimensional force of type pressure standard, and ensure reliability and the degree of accuracy of wind tunnel test.
Background technology
Wind-tunnel balance is the basic measurement equipment of force test in wind tunnel, and test model is acted in wind tunnel test for measuring
On aerodynamic force size, direction and application point.Balance calibration system is balance measuring equipment, by being sat to balance by known
Parameter system accurately applies static load, the relational matrix of balance formula, i.e. output signal and load is obtained, for assessing balance
Performance.
The balance calibration system developed is a set of full automatic six degree of freedom body shafting balance calibration system, and day can be achieved
Balance static calibration under accurate control and condition of different temperatures of the flat temperature from normal temperature to low temperature.
Loading head is the key equipment in balance calibration system, it is necessary to possess sufficiently high rigidity, and can accurately be true
Determine the position of load(ing) point, and as experimental condition scope is more and more wider, it may be necessary to tested under condition of ultralow temperature, therefore
The ability of resistance low-temperature deformation is also to assess a big important indicator of loading head design rationality.Traditional loading head rigidity is low,
Low-temperature deformation is big, it is impossible to the accurate position for ensureing load(ing) point, thus " the standard six-dimensional force " that is applied there will necessarily be larger mistake
Difference, it is impossible to meet the requirement of balance calibration.Therefore, the present invention provides a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head and loading
Method, to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, the easy to use and reliable COMPONENT BALANCE of ultralow temperature six calibration
Loading head.
In order to achieve the above object, the present invention provides a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head, and wherein this is ultralow
Warm six COMPONENT BALANCEs calibration loading head include a measuring basis frame, loading head outer barrel, positioning key, tapered sleeve,
One assembling nut, a gland and a power system monitor head；The loading head outer barrel has the first opening and one second opening,
And middle is hollow type；The measurement part of the measuring basis frame is located at outside cryogenic box, and coupling part is located inside cryogenic box, and
It is arranged at the front end of loading head outer barrel；The tapered sleeve is arranged at loading head outer barrel, and the tapered sleeve has an accommodating chamber, with
For accommodating a balance；The loading head outer barrel in addition to cone match, is also positioned with the tapered sleeve with key；The assembling nut is set
It is placed in the outside of the tapered sleeve and is arranged at the loading head outer barrel, by threaded engagement so that tapered sleeve tandem is moved, with
Just producing suitable power makes the tapered sleeve be compressed relative to the loading head outer barrel；The gland is spacing to assembling nut progress, convenient
Assembling；The power system monitor head is arranged at loading head arm of force two ends, and outside cryogenic box, is easy to monitoring.
The further preferred embodiment of loading head, the loading are calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention
The internal diameter of first opening of head outer barrel is less than the internal diameter of second opening, so that the section of the inwall of the loading head outer barrel is in cone
Platform shape, the outer wall of the tapered sleeve is mutually matched in taper type, and the inwall of the loading head outer barrel and the outer wall of the tapered sleeve.
To calibrate the further preferred embodiment of loading head to the COMPONENT BALANCE of ultralow temperature six of the present invention, the taper is adopted
With Morse's taper, facilitate tapered sleeve relative to loading head outer barrel self-locking.
The further preferred embodiment of loading head, the loading are calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention
Head outer barrel has one first keyway, and the opening of first keyway connection first has one second with the outer tube inner chamber of loading head, the tapered sleeve
Keyway, second keyway corresponds to first keyway, and the COMPONENT BALANCE of ultralow temperature six calibration loading head includes a positioning key, should
Positioning key is positioned at first keyway and second keyway simultaneously.
The further preferred embodiment of loading head is calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention, this first
First opening of keyway close to the loading head outer barrel.
The further preferred embodiment of loading head, the positioning are calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention
Key is a rolling positioning flat key.
The further preferred embodiment of loading head, the tapered sleeve are calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention
An end there is external thread structure, the COMPONENT BALANCE of ultralow temperature six calibration loading head includes an assembling nut and gland,
The assembling nut has the external thread structure phase of female thread structure, the wherein female thread structure of the assembling nut and the tapered sleeve
Mutually coordinate, the gland is used for spacing to the progress of assembling nut one end so that assembling nut end face is close to the outer tube inner chamber of loading head
A step surface, and the other end is close to gland, thus can only be rotated along axis, so that the tapered sleeve can be along axle
Line direction is assembled with loading head outer barrel, and the assembling nut is accommodated with second opening, spiral shell is provided with the gland flange face
Pit, is attached by the second opening of screw and loading head outer barrel.
The further preferred embodiment of loading head is calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention, this is ultralow
Warm six COMPONENT BALANCEs calibration loading head includes multiple measurement bay attachment screws, and each measurement bay attachment screw is connected to this simultaneously
Measuring basis frame and the loading head outer barrel.
The further preferred embodiment of loading head, the measurement are calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention
Benchmark frame and the loading head outer barrel are fixed by way of local spot welding.
The further preferred embodiment of loading head is calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention, this is ultralow
Warm six COMPONENT BALANCEs calibration loading head includes multiple balance attachment screws, and each balance attachment screw is gentle for connecting this day
The tapered sleeve.
The further preferred embodiment of loading head, the balance are calibrated as the COMPONENT BALANCE of ultralow temperature six to the present invention
The interface for calibrating loading head with the COMPONENT BALANCE of ultralow temperature six is cylindrical flange formula interface.
The COMPONENT BALANCE of the ultralow temperature six calibration loading head advantage of the present invention is：
The invention provides a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head, and the wherein COMPONENT BALANCE of ultralow temperature six calibration adds
Carrier head includes a measuring basis frame, loading head outer barrel, positioning key, tapered sleeve, assembling nut, a pressure
Lid and a power system monitor head；The loading head outer barrel has the first opening and one second opening, and middle is hollow type；Measurement
The measurement part of benchmark frame is located at outside cryogenic box, and coupling part is located inside cryogenic box, and before setting and loading head outer barrel
End；The tapered sleeve is set and loading head outer barrel, and the tapered sleeve has an accommodating chamber, for accommodating a balance；It should add
Carrier head outer barrel in addition to cone match, is also positioned with the tapered sleeve with key；The assembling nut set with the outside of the tapered sleeve and
Set and the loading head outer barrel, by threaded engagement so that tapered sleeve tandem is moved, to produce suitable force tightly
With the loading head outer barrel；Gland is spacing to nut progress, convenient for assembly；Power system monitor head is arranged at loading head arm of force two ends, and
Outside cryogenic box, it is easy to monitoring.And fitted together after manufacturing respectively in the outer barrel and the measuring basis frame, can
Reduce the manufacture difficulty of the COMPONENT BALANCE of ultralow temperature six calibration loading head and save manufacturing cost.
The COMPONENT BALANCE of ultralow temperature six calibration loading head includes multiple measurement bay attachment screws, each measurement bay connection spiral shell
Nail is connected to the measuring basis frame and the outer barrel simultaneously, and the measuring basis frame and the outer barrel are fixed by way of local spot welding,
So avoid the need for separating again after assembling in the measuring basis frame and the outer barrel, the benchmark dismantled and caused every time can be avoided
Change for measurement so that introduce error, so as to reduce the error that the COMPONENT BALANCE of ultralow temperature six calibrates loading head, to carry
The precision of high institute's imposed load.
The balance calibrates the interface of loading head for cylindrical flange formula interface with the COMPONENT BALANCE of ultralow temperature six, therefore use stops
Mouth coordinates positioning, and finishing screwed hole is attached, and ensures that the torsion of each screw is consistent using torque spanner when tightening screw
And more than a certain numerical value, specific numerical value should bear peak torque according to the balance and be calculated, it so can so to connect
Connect and more fasten.
The internal diameter of first opening of the outer barrel is less than the internal diameter of second opening, so that the section of the outer tube inner wall is in cone
Platform shape, the outer wall of the tapered sleeve is mutually matched in taper type, and the inwall of the outer barrel and the outer wall of the tapered sleeve, so that the tapered sleeve
Between the outer barrel by the way of cone match and assembling nut are compressed, and the taper of the tapered sleeve is carried out according to Morse's taper
Design, makes the outer barrel and the tapered sleeve have auto-lock function.
The outer barrel has one first keyway, and first keyway is communicated in the loading passage, and the tapered sleeve has one second keyway,
Second keyway corresponds to first keyway, and the COMPONENT BALANCE of ultralow temperature six calibration loading head includes a positioning key, the positioning
Key is positioned at first keyway and second keyway simultaneously, to fix the outer barrel and the tapered sleeve, and is using the assembling nut
The tapered sleeve is assemblied in after the loading passage of the outer barrel, the axial direction for limiting the assembling nut by the gland and the outer barrel is transported
It is dynamic, thus make the assembling nut only one of which rotary freedom, so that the tapered sleeve and the outer barrel are locked.
The advantage of the COMPONENT BALANCE of ultralow temperature six calibration loading head also includes：
1st, the structure design of the holohedral symmetry formula face of cylinder or circular conical surface, at utmost reduces low-temperature deformation；
2nd, the outer barrel uses mutual-through type structure, increases the mobility of gas stream, and fast and easy cools and ensured the equal of temperature
Even property；
3rd, tapered sleeve is changeable type, for various sizes of balance design the corresponding interface and the tapered sleeve of size；
4th, the COMPONENT BALANCE of ultralow temperature six calibration loading head is disperseed loading force, is prevented certain direction using 14 arrangement forms
Deformation is excessive, and reduces the influence of low-temperature deformation；
5th, using short-range arm of force, it is to avoid the influence that deformation is caused to force value precision；
6th, aided location also detects basal plane at two-arm load(ing) point, double check, accuracy of detection is higher.
7th, tapered sleeve is compressed by the way of assembling nut, controls pretightning force using torque spanner, prevent loading force from crossing ambassador
Tapered sleeve is obtained to be deformed.
Brief description of the drawings
In order to obtain the above and other advantage and feature of the present invention, hereinafter with reference to the tool of the invention shown in accompanying drawing
Body embodiment carries out more specific description to the present invention outlined above.It should be understood that these accompanying drawings illustrate only the present invention
Exemplary embodiments, therefore be not construed as limiting the scope of the present invention, by using accompanying drawing, the present invention will be carried out more
Specific and more detailed description and elaboration.In the accompanying drawings：
Fig. 1 is the schematic diagram that the COMPONENT BALANCE of ultralow temperature six calibrates loading head.
Fig. 2 is the power system load(ing) point schematic layout pattern that the COMPONENT BALANCE of ultralow temperature six calibrates loading head.
Embodiment
Describe to be used to disclose the present invention below so that those skilled in the art can realize the present invention.It is excellent in describing below
Embodiment is selected to be only used as citing, it may occur to persons skilled in the art that other obvious modifications.Define in the following description
General principle of the invention can apply to other embodiments, deformation program, improvement project, equivalent and do not carry on the back
From the other technologies scheme of the spirit and scope of the present invention.
Such as Fig. 1 and Fig. 2, the spirit according to the present invention provides a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head, its
In the COMPONENT BALANCE of ultralow temperature six calibration loading head include power system monitor head 10, loading head outer barrel 20, a tapered sleeve
30th, a measuring basis frame 40 and a gland 50, the power system monitor head 10 are arranged at the loading head outer barrel 20, the loading head
Outer barrel 20 is hollow type, and the opening of the loading head outer barrel 20 1 first 22 and one second opening 23, that is to say, that the loading
Head outer barrel 20 can have a space 21, and the space 21 causes the loading head outer barrel 20 formation hollow type structure.The tapered sleeve 30
The loading passage 21 is arranged at, and the tapered sleeve 30 has an accommodating chamber 31, for accommodating a balance 60, the measuring basis
Frame 40 is arranged at the loading head outer barrel 20, and the gland 50 is arranged at the loading head outer barrel 20, for being maintained at the tapered sleeve 30
The inside of the loading head outer barrel 20.
Preferably, the internal diameter of first opening 22 of the loading head outer barrel 20 is less than the internal diameter of second opening 23, so that
The section for being used to form the inwall of the loading passage 21 of the loading head outer barrel 20 is in taper type, and the outer wall of the tapered sleeve 30 is in frustum
Shape, and the outer wall of the inwall of the loading head outer barrel 20 and the tapered sleeve 30 is mutually matched, so that the loading head outer barrel 20 and should
There is auto-lock function between tapered sleeve 30.
One end of the tapered sleeve 30 has external thread structure, and the COMPONENT BALANCE of ultralow temperature six calibration loading head includes one
Nut 70 is assembled, the assembling nut 70 has female thread structure, the wherein female thread structure of the assembling nut 70 and the tapered sleeve
30 external thread structure cooperates, so that the tapered sleeve 30 is installed on the inside of the loading head outer barrel 20, and the assembling spiral shell
Mother 70 is contained in the inside of the loading head outer barrel 20 at second opening 23 of the loading head outer barrel, to pass through the assembling nut
70 compress the mode of the tapered sleeve 30, the outer surface of the tapered sleeve 30 and the inner surface of the loading head outer barrel 20 is closely adhered to one
Rise, so that the tapered sleeve 30 and the loading head outer barrel 20 are fitted closely together.
The loading head outer barrel 20 has one first keyway 24, and first keyway 24 is communicated in first opening 22 and the loading
The inside of head outer barrel 20, the tapered sleeve 30 has one second keyway 32, and second keyway 32 corresponds to first keyway 24, and this is ultralow
Warm six COMPONENT BALANCEs calibration loading head includes a positioning key 80, the positioning key 80 be positioned at simultaneously first keyway 24 with this
Two keyways 32, to prevent the tapered sleeve 30 relative to the rotation of the loading head outer barrel 20.Preferably, first keyway 24 was close to add
First opening 22 of carrier head outer barrel.It is highly preferred that the positioning key 80 is a rolling positioning flat key.
The COMPONENT BALANCE of ultralow temperature six calibration loading head includes multiple measurement bay attachment screws 90, the connection of each measurement bay
Screw 90 is connected to the measuring basis frame 40 and the loading head outer barrel 20 simultaneously, so that outside the measuring basis frame 40 and the loading head
Cylinder 20 is installed together.In addition, the measuring basis frame 40 and the loading head outer barrel 20 are by way of local spot welding or alignment pin
It is fixed, that is to say, that once the measuring basis frame 40 and the loading head outer barrel 20 cannot be separated again after being installed together,
In such manner, it is possible to avoid drawing the error repeatedly dismantled and assembled the measuring basis frame 40 and the loading head outer barrel 20 and produce, to carry
The high COMPONENT BALANCE of ultralow temperature six calibrates the reliability and accuracy of loading head.
The COMPONENT BALANCE of ultralow temperature six calibration loading head includes multiple balance attachment screws 100, each this day flushconnection spiral shell
Nail 100 is used to connect the balance 60 and the tapered sleeve 30.Preferably, the balance 60 calibrates loading head with the COMPONENT BALANCE of ultralow temperature six
Interface be cylindrical flange formula interface.
The assemble sequence of the COMPONENT BALANCE of ultralow temperature six calibration loading head is first to be somebody's turn to do with the balance attachment screw 100 connection
The positioning key 80, is then attached in second keyway 32 of the tapered sleeve 30, by making the assembling by balance 60 and the tapered sleeve 30
The mode that the external thread structure of the female thread structure of nut 70 and the tapered sleeve 30 cooperates, by the assembling nut 70 and the tapered sleeve
30 are screwed, and then the tapered sleeve 30 is pushed to after suitable distance into the loading passage 21 of the loading head outer barrel 20, is tightened
The gland 50, the assembling nut 70 is further rotated by spanner so that the tapered sleeve 30 and the loading head outer barrel 20 this first
The inwall of opening 22 is compressed.
The measuring basis frame 40 is provided with perforate, to ensure the circulation of air-flow, in order to quickly cool to nucleus
With guarantee thermal uniformity.The central area of the COMPONENT BALANCE of ultralow temperature six calibration loading head is in inside cryogenic box, loads position
Outside cryogenic box, perforate number can be so reduced, the design difficulty of cryogenic box is reduced.
Balance calibration test is carried out under condition of ultralow temperature, stress deformation is not that the COMPONENT BALANCE of ultralow temperature six calibration adds
The exclusive source of the deformation of carrier head, if structure design is unreasonable, deformation may be bigger than force deformation caused by low temperature.This hair
For the reduction low-temperature deformation for trying one's best big in bright, holohedral symmetry formula structure is employed, and all cryogenic box parts that are in all are circular
Section, so can big counteracting low-temperature deformation as far as possible.
In order to apply loading head in three power and three torques, the present invention to the COMPONENT BALANCE of ultralow temperature six calibration loading head
Use and power is transferred on loading head by steel band using force application mechanism, the innovative proposition of the present invention a kind of unique ten
4 load modes, its loading principle figure is as shown in Figure 2.
14 load(ing) points and the COMPONENT BALANCE of ultralow temperature six calibration loading on the COMPONENT BALANCE of ultralow temperature six calibration loading head
The deadweight of head constitutes the load collection of system.Load collection combines be orthogonal six component load, its syntagmatic in loading force system
It is：
X positive forces are by f1With f2It is common to produce, and f1=f2, soX negative forces are by f3With f4Common production
It is raw, similarly,
Y positive forces are by f5、f6Produce, y negative forces are by f7、f8Produce, due to f5、f6X also to be produced to torque, f is also wanted7、f8
Z is produced to torque, therefore can list (1)-(3) equilibrium relationships, and it is possible thereby to obtain y to the expression formula of each power, it is as follows
(4)-(6)。
f5+f6-f7-f8=fy (1)
If making f in equation8=0, it can obtain：
In calculating, f need to be ensured5、f6、f7、f8For nonnegative number, f5 or f6=0 is otherwise set, f7, f8 are derived by (1)-(3)
Calculation formula.
Z positive forces are by f9、f10Common to produce, in order to obtain the numerical value of power, in addition it is also necessary to apply restriction relation to the power, Z is born
To power by f11、f12、f13、f14It can obtain (7)-(13) expression formula as follows with constituting according to the relation of power and torque.
f11=f13 (7)
f12=f14 (8)
f9=f10 (9)
2(f11+f12)-2f9=fz (10)
It is possible thereby to solve：
Select suitable f9, just each can be made every effort to solution and come out.
The loading method produces power and torque by the combination of each power, effectively reduces and is applied to the component of ultralow temperature six
The size of total power on balance calibration loading head；
Add the number of the point of application so that reinforce scattered, it is to avoid certain or a direction deform excessive exceed
It is required that and causing design nonconforming；
For producing Mx, My, MzThe distance between the arm of force it is smaller, the change in location after load(ing) point stand under load is relatively small, by
This is effectively increased the precision of exerted forces and torque.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng within the patent covering scope that all should still belong to the present invention.
Claims (10)
1. a kind of COMPONENT BALANCE of ultralow temperature six calibrates loading head, it is characterised in that the COMPONENT BALANCE of ultralow temperature six calibrates loading head
Including a power system monitor head, a loading head outer barrel, a tapered sleeve, a measuring basis frame and a gland, the power system
Monitor head is arranged at the loading head outer barrel, and the loading head outer barrel has one first opening and one second opening, and the loading
Head outer barrel is hollow type, and the tapered sleeve is arranged at the inside of the loading head outer barrel, and the tapered sleeve has an accommodating chamber, for holding
Receive a balance, the measuring basis sets up the front end for being placed in the loading head outer barrel, the gland is arranged at the loading head outer barrel, with
In the inside that the tapered sleeve is arranged to the loading head outer barrel.
2. a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head as claimed in claim 1, it is characterised in that the loading head outer barrel
This first opening internal diameter be less than this second opening internal diameter so that the section of the inwall of the loading head outer barrel be in taper type,
The outer wall of the tapered sleeve is mutually matched in taper type, and the inwall of the loading head outer barrel and the outer wall of the tapered sleeve.
3. a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head as claimed in claim 2, it is characterised in that the loading head outer barrel
With one first keyway, first keyway is communicated in first opening and the inside of the loading head outer barrel, and the tapered sleeve has one the
Two keyways, second keyway corresponds to first keyway, and the COMPONENT BALANCE of ultralow temperature six calibration loading head includes a positioning key,
The positioning key is positioned at first keyway and second keyway simultaneously.
4. a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head as claimed in claim 3, it is characterised in that first keyway is leaned on
First opening of the nearly loading head outer barrel.
5. a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head as claimed in claim 3, it is characterised in that the positioning key is one
Individual rolling positions flat key.
6. such as any one of COMPONENT BALANCE of a kind of ultralow temperature six calibration loading head in claim 1-5, its feature exists
In an end of the tapered sleeve has external thread structure, and the COMPONENT BALANCE of ultralow temperature six calibration loading head includes an assembling spiral shell
Mother, the assembling nut has the external screw thread knot of female thread structure, the wherein female thread structure of the assembling nut and the tapered sleeve
Structure cooperates, so that the tapered sleeve is installed on the inside of the loading head outer barrel.
7. a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head as claimed in claim 6, it is characterised in that six points of the ultralow temperature
Measuring balance calibration loading head includes multiple measurement bay attachment screws, and each measurement bay attachment screw is connected to the measurement base simultaneously
Quasi- frame and the loading head outer barrel.
8. a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head as claimed in claim 7, it is characterised in that the measuring basis frame
Fixed with the loading head outer barrel by way of local spot welding or alignment pin.
9. a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head as claimed in claim 8, it is characterised in that six points of the ultralow temperature
Measuring balance calibration loading head includes multiple balance attachment screws, and each balance attachment screw is used to connect this day gentle cone
Set.
10. a kind of COMPONENT BALANCE of ultralow temperature six calibration loading head as claimed in claim 9, it is characterised in that special 14
Point load mode, disperses loading force, prevents that one direction deformation is excessive, and reduce the influence of low-temperature deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268388.9A CN106969902B (en) | 2016-12-31 | 2016-12-31 | Six COMPONENT BALANCE of ultralow temperature calibrates loading head and loading method |
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|---|---|---|---|
| CN201611268388.9A CN106969902B (en) | 2016-12-31 | 2016-12-31 | Six COMPONENT BALANCE of ultralow temperature calibrates loading head and loading method |
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| CN106969902B CN106969902B (en) | 2019-11-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796593A (en) * | 2017-11-30 | 2018-03-13 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of general rod-type wind-tunnel balance pastes quantitative compression system |
| CN108254126A (en) * | 2018-02-06 | 2018-07-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | Aerodynamics force measurement balance simply loads calibrating installation |
| CN115752999A (en) * | 2022-11-11 | 2023-03-07 | 中国航空工业集团公司哈尔滨空气动力研究所 | Low-speed wind tunnel balance detects loading head |
| CN117091800A (en) * | 2023-10-17 | 2023-11-21 | 中国空气动力研究与发展中心高速空气动力研究所 | Full-automatic six-degree-of-freedom balance calibration system for low-temperature balance calibration |
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| US2844027A (en) * | 1956-06-11 | 1958-07-22 | Task Corp | Temperature compensated force balance |
| CN2385330Y (en) * | 1999-09-10 | 2000-06-28 | 中国气动力研究与发展中心高速气动力研究所 | Fully automatic weightless self-compensating balance calibrator |
| CN105222982A (en) * | 2015-11-06 | 2016-01-06 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of wide range high rigidity loading head for balance calibration system |
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| US2844027A (en) * | 1956-06-11 | 1958-07-22 | Task Corp | Temperature compensated force balance |
| CN2385330Y (en) * | 1999-09-10 | 2000-06-28 | 中国气动力研究与发展中心高速气动力研究所 | Fully automatic weightless self-compensating balance calibrator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796593A (en) * | 2017-11-30 | 2018-03-13 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of general rod-type wind-tunnel balance pastes quantitative compression system |
| CN107796593B (en) * | 2017-11-30 | 2023-09-19 | 中国空气动力研究与发展中心高速空气动力研究所 | Universal rod type wind tunnel strain balance pasting quantitative pressurizing system |
| CN108254126A (en) * | 2018-02-06 | 2018-07-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | Aerodynamics force measurement balance simply loads calibrating installation |
| CN108254126B (en) * | 2018-02-06 | 2023-10-27 | 中国空气动力研究与发展中心超高速空气动力研究所 | Simple loading calibration device for aerodynamic force measuring balance |
| CN115752999A (en) * | 2022-11-11 | 2023-03-07 | 中国航空工业集团公司哈尔滨空气动力研究所 | Low-speed wind tunnel balance detects loading head |
| CN115752999B (en) * | 2022-11-11 | 2024-02-13 | 中国航空工业集团公司哈尔滨空气动力研究所 | Low-speed wind tunnel balance detection loading head |
| CN117091800A (en) * | 2023-10-17 | 2023-11-21 | 中国空气动力研究与发展中心高速空气动力研究所 | Full-automatic six-degree-of-freedom balance calibration system for low-temperature balance calibration |
| CN117091800B (en) * | 2023-10-17 | 2024-01-02 | 中国空气动力研究与发展中心高速空气动力研究所 | Full-automatic six-degree-of-freedom balance calibration system for low-temperature balance calibration |
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| CN106969902B (en) | 2019-11-12 |
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