JPS5937450B2 - Hinge moment measuring device - Google Patents

Hinge moment measuring device

Info

Publication number
JPS5937450B2
JPS5937450B2 JP53058531A JP5853178A JPS5937450B2 JP S5937450 B2 JPS5937450 B2 JP S5937450B2 JP 53058531 A JP53058531 A JP 53058531A JP 5853178 A JP5853178 A JP 5853178A JP S5937450 B2 JPS5937450 B2 JP S5937450B2
Authority
JP
Japan
Prior art keywords
moment
hinge
cross
section
acting
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
Application number
JP53058531A
Other languages
Japanese (ja)
Other versions
JPS54150178A (en
Inventor
未治 大橋
昭和 横田
武 阿部田
英彦 加藤
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP53058531A priority Critical patent/JPS5937450B2/en
Publication of JPS54150178A publication Critical patent/JPS54150178A/en
Publication of JPS5937450B2 publication Critical patent/JPS5937450B2/en
Expired legal-status Critical Current

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Description

【発明の詳細な説明】 風洞試験において航空機飛昇体等の操舵翼のヒンジ周り
のモーメント荷重(以下ヒンジモーメントという)を計
測するのにヒンジモーメント天秤は、通常翼内又は胴体
に内蔵され、スペース的な制約がある上舵面の舵角変化
時の荷重特性も正しく把握することが要求されるため、
舵角変化機構部のガタ、摩擦、剛性不足等による計測値
への影響が多く、精度低下を来たすことが普通であり、
新技術の開発が望まれている。
[Detailed Description of the Invention] In wind tunnel tests, a hinge moment balance is usually built into the wing or fuselage to measure the moment load around the hinge of the control wing of an aircraft flying object (hereinafter referred to as hinge moment), and it takes up less space. It is necessary to accurately understand the load characteristics when the steering angle changes on the upper control surface, which has certain restrictions.
Measured values are often affected by backlash, friction, lack of rigidity, etc. in the steering angle changing mechanism, and it is normal for accuracy to decrease.
Development of new technology is desired.

従来のヒンジモーメント天秤装置の−例を第1図に示す
と、01は固定板00に突設された平行ブラケット、0
3は回動板02に突設された平行ブラケット、04は平
行ブラケット01と平行ブラケット03とを互いに枢着
する枢着軸、05は枢着軸04をブラケット03に固定
するピン、06は枢着軸04をブラケット01に回動自
在に嵌着する球軸受、OTは一端がブラケット01に球
軸受08により回動自在に嵌着された軸09に嵌着され
、他端が軸04に嵌挿されピン010によりこれに固着
され央部の上下面にストレンゲージ043が貼着された
モーメント天秤、012は一端がモーメント天秤に固着
され他端の平板部が変角金物013を介して回動板02
に固着された取付金物、014は回動板02に固着され
た操舵翼である。
An example of a conventional hinge moment balance device is shown in FIG. 1. 01 is a parallel bracket protruding from a fixed plate 00;
3 is a parallel bracket protruding from the rotating plate 02, 04 is a pivot shaft that pivotally connects the parallel bracket 01 and parallel bracket 03 to each other, 05 is a pin that fixes the pivot shaft 04 to the bracket 03, and 06 is a pivot shaft. A ball bearing that rotatably fits the shaft 04 to the bracket 01, OT has one end fitted to the shaft 09 rotatably fitted to the bracket 01 by a ball bearing 08, and the other end fitted to the shaft 04. A moment balance 012 is inserted and fixed to it by a pin 010, and a strain gauge 043 is affixed to the upper and lower surfaces of the central part.One end of the moment balance 012 is fixed to the moment balance, and the flat plate part of the other end is rotated via a bending metal fitting 013. Board 02
The mounting hardware 014 is a steering blade fixed to the rotary plate 02.

第3図aは第2図のモーメント天秤の部分図で操舵翼0
14に働く荷重Fが枢着軸04の中心断面■において、
等価的にヒンジ周りのモーメントM、揚力z、抗力Xの
3分力荷重に分解されて天秤01に作用する力学的等価
関係を示す。
Figure 3a is a partial view of the moment balance in Figure 2, and the steering blade is 0.
The load F acting on the pivot shaft 04 is at the center cross section ■ of the pivot shaft 04,
It shows a dynamically equivalent relationship that is equivalently decomposed into three component force loads: moment M around the hinge, lift force z, and drag force X, and acts on the balance 01.

このような装置によつて、変角金物013の選択により
操舵翼014に所望の仰角を与え、風洞により操舵翼0
14に働く空気力学的荷重を加えると、モーメント天秤
OTは曲げを受けて、第3図をで示すようなモーメント
分布を生ずる。そこでストレゲージ011を通る断面■
におけるモーメントをストレンゲージ011で計測する
ことにより、断面■におけるヒンジモーメントMを求め
ることができる。しかしながら、このような計測装置で
は (1)各部材の組立部のガタ、可動部の摩擦等が直接モ
ーメント天秤に伝達されるのでヒステリシス、感度、直
線性、再現性等の天秤特性が悪く、高精度のヒンジモー
メント計測が不可能である。
With such a device, a desired elevation angle is given to the steering blade 014 by selecting the variable angle hardware 013, and the steering blade 014 is given a desired elevation angle in a wind tunnel.
Upon application of an aerodynamic load acting on 14, the moment balance OT undergoes bending resulting in a moment distribution as shown in FIG. Therefore, the cross section passing through strain gauge 011■
By measuring the moment at with the strain gauge 011, the hinge moment M at the cross section ■ can be determined. However, in such a measuring device, (1) backlash in the assembled parts of each member, friction in the movable parts, etc. are directly transmitted to the moment balance, resulting in poor balance characteristics such as hysteresis, sensitivity, linearity, and reproducibility; Accurate hinge moment measurement is not possible.

(2)断面のヒンジ点に同時に作用する揚力Z、抗力X
等ヒンジ周りのモーメント以外の荷重による影響が無視
されているので特に最近の薄形翼等でヒンジ機構部の剛
性が高くとれない場合のヒンジモーメントの計測は要求
稍度を満たすことが困難である。(3)ヒンジ点におけ
る最大モーメントを直接に歪検出するものでないので、
天秤剛性上不利でありかつまた合理的でない。
(2) Lifting force Z and drag force X acting simultaneously on the hinge point of the cross section
Since the influence of loads other than the moment around the hinge is ignored, it is difficult to measure the hinge moment to meet the required precision, especially when the hinge mechanism cannot be highly rigid, such as with recent thin wings. . (3) Since the strain does not directly detect the maximum moment at the hinge point,
This is disadvantageous in terms of balance rigidity and is also unreasonable.

等の問題があつた。There were other problems.

本発明はこのような事情に鑑みて、関係部材のガタ及び
摩擦、操舵翼に働く抗力、揚力等の影響を極小として高
精度でヒンジモーメントを計測することのできるヒンジ
モーメント計測装置を提供することを目的とするもので
、それぞれ固定板部材及び可動板部材の両側対向端をそ
れぞれ互いに枢着するとともに両部材をモーメントビー
ムをもつて連結することにより弾性丁番を構成したもの
において、上記モーメントビーム上であつて上記丁番の
枢着軸線の通る位置にストレンゲージを貼着するととも
に上記モーメントビームの端部附近に部分的薄肉部を設
けここにストレンゲージを貼着したことを特徴とする。
In view of these circumstances, the present invention provides a hinge moment measuring device that can measure the hinge moment with high precision while minimizing the effects of backlash and friction of related members, drag acting on the steering blade, lift, etc. The purpose is to construct an elastic hinge by pivotally connecting opposite ends of a fixed plate member and a movable plate member to each other, and connecting both members with a moment beam, in which the above-mentioned moment beam The present invention is characterized in that a strain gauge is attached at a position on the top where the pivot axis of the hinge passes through, and a partially thinned portion is provided near the end of the moment beam, and the strain gauge is attached thereto.

本発明の一実施例を図面について説明すると、まず第4
,5図において、0は一端の両側部に枢支端1,1′を
突設した固定板、2は一端の両側部に枢支端3,3′を
突設した回動板、4,4′はそれぞれ枢支端1及び3,
1′及び3/を枢着する同一軸線上の2本の軸で軸4,
4′によつて枢着されることにより固定板0と回動板2
とは丁番を構成する。
One embodiment of the present invention will be explained with reference to the drawings.
, 5, 0 is a fixed plate with pivot ends 1, 1' protruding from both sides of one end, 2 is a rotating plate with pivot ends 3, 3' protruding from both sides of one end, 4, 4' are pivot ends 1 and 3, respectively;
1' and 3/ on the same axis, shaft 4,
The fixed plate 0 and the rotating plate 2 are pivotally connected by 4'.
constitutes a hinge.

6,6′はそれぞれ軸4,4′を枢支端1,「に回動自
在に嵌着する球軸受、7は固定板0の央部に穿設された
長手方向の平行スリツト16,16と後述する薄肉部1
7,17とによつて固定板0上に区劃形成されたモーメ
ントビーム、11,1「はストレンゲージ、12は固定
板0の突出端、13は回動板2と固定板0の突出端12
との間に介装され両部材を所望の角度関係に固定するた
めの変角金物、14は回動板2に固定された操舵翼、1
5はモーメントビーム7の固着端付近に削製された薄肉
部、17,17/は固定板0上であつて軸4,4/の軸
線が通る部分に上下面より削製された薄肉部である。
6 and 6' are ball bearings that rotatably fit the shafts 4 and 4' into the pivot ends 1 and 2, respectively; 7 is a longitudinal parallel slit 16 and 16 bored in the center of the fixed plate 0; and thin wall portion 1, which will be described later.
7 and 17 define a moment beam on the fixed plate 0, 11 and 1'' are strain gauges, 12 is the protruding end of the fixed plate 0, and 13 is the protruding end of the rotating plate 2 and the fixed plate 0. 12
14 is a steering blade fixed to the rotary plate 2;
5 is a thin walled part cut near the fixed end of the moment beam 7, 17, 17/ is a thin walled part cut from the top and bottom surfaces on the fixed plate 0, where the axes of the shafts 4, 4/ pass through. be.

このような装置を用いて操舵翼14の風洞試験を行うと
きは操舵翼14に働く空気力学的荷重Fは第6図aに示
すようにモーメントビーム7において丁番の枢軸線を通
る断面(以下断面という)上に作用するヒンジモーメン
トM、抗力X及び揚力Zの3つの力に分解することがで
きる。
When conducting a wind tunnel test of the steering blade 14 using such a device, the aerodynamic load F acting on the steering blade 14 is determined by the cross section passing through the pivot axis of the hinge at the moment beam 7 (hereinafter referred to as It can be decomposed into three forces: hinge moment M, drag force X, and lift force Z acting on the cross section).

通常、操舵翼に作用する空気力学的荷重Fは操舵翼の前
縁側にあり、枢軸点に近く断面に作用する抗力Xと揚力
zは大きい。したがつて、これらの力X及びzが薄肉部
17だけに作用するとなると強度上そのヒンジ剛性を高
くとる必要があるし、またそうすればモーメントビーム
7に入るモーメントがそれぞれ減少することとなるので
、結局出力不足であるとともにヒンジモーメント以外の
外力による干渉を大きく受けることとならざるを得ない
。この点本発明では、薄肉部1rとは別に独立の球軸受
6を設け、断面上に作用するモーメント以外の荷重をこ
の軸受に負狽させることにより、薄肉部17及びモーメ
ントビーム7には軸受6の嵌合隙間及び撓みに相当する
荷重だけが作用するようにしたのでヒンジモーメント以
外の荷重に基因する影響を極小としたヒンジモーメント
の計測が可能である。したがつて、断面に作用するモー
メントとして、薄肉部17の曲げ剛性による微小モーメ
ント及び軸受6の回転摩擦による微小モーメントを除く
すべてのモーメントがビーム1に伝達されることとなる
。また揚力Z及び抗力Xの大部分は軸受6を経て固定板
2の取付部に伝達され、軸受6の嵌合隙間及び剛性不足
によつて生ずる枢軸の変位による曲げ又は引張・圧縮歪
だけがモーメントビーム7にヒンジモーメントMと同時
に伝達される。したがつて、モーメントビーム7に作用
するヒンジモーメントMは、第6図bに示すモーメント
分布となり、断面で最大値Mmとなり、薄肉部15を通
る断面で零となる。
Usually, the aerodynamic load F acting on the steering blade is on the leading edge side of the steering blade, and the drag force X and lift force z acting on the cross section near the pivot point are large. Therefore, if these forces X and z are to act only on the thin walled portion 17, it is necessary to increase the hinge rigidity for strength, and if this is done, the moment entering the moment beam 7 will be reduced. In the end, the output is insufficient, and there is no choice but to receive a large amount of interference from external forces other than the hinge moment. In this regard, in the present invention, an independent ball bearing 6 is provided separately from the thin wall portion 1r, and the load other than the moment acting on the cross section is applied to this bearing. Since only the load corresponding to the fitting gap and deflection is applied, it is possible to measure the hinge moment with minimal effects caused by loads other than the hinge moment. Therefore, as moments acting on the cross section, all moments other than the minute moment due to the bending rigidity of the thin wall portion 17 and the minute moment due to the rotational friction of the bearing 6 are transmitted to the beam 1. In addition, most of the lift force Z and drag force X are transmitted to the mounting part of the fixed plate 2 through the bearing 6, and only the bending or tensile/compressive strain due to the displacement of the pivot shaft caused by the fitting gap and insufficient rigidity of the bearing 6 is the moment. It is transmitted to the beam 7 at the same time as the hinge moment M. Therefore, the hinge moment M acting on the moment beam 7 has a moment distribution as shown in FIG.

このようにモーメントビーム7上のヒンジモーメントが
零となる断面は断面に作用するヒンジモーメントMに影
響されない点としてモーメント荷重以外の荷重の計測に
重要な意味を有し、断面の位置はモーメントビームの断
面変化による剛性比及び長さ比等材料力学的量を適宜選
定することにより所望の位置に定め得る。揚力zによる
曲げモーメントは、第6図(c)に示すように、モーメ
ントビーム7の付根部を通る断面1で最大値Mzとなり
、断面で零となる。
In this way, the cross section where the hinge moment on the moment beam 7 becomes zero has an important meaning in measuring loads other than moment loads as it is not affected by the hinge moment M acting on the cross section, and the position of the cross section is A desired position can be determined by appropriately selecting material mechanical quantities such as the rigidity ratio and length ratio due to cross-sectional changes. As shown in FIG. 6(c), the bending moment due to the lifting force z reaches a maximum value Mz at the cross section 1 passing through the root of the moment beam 7, and becomes zero at the cross section.

したがつて、断面は揚力Zに影響されない点として揚力
z以外の荷重の計測に重要な意味を持ち、モーメントビ
ーム7の材料力学的性質に無関係に定まり揚力zの作用
点と一致する。抗力Xによる引張・圧縮はモーメントビ
ーム7の各断面で一定であり、モーメントビーム1の材
料力学的性質に無関係である。したがつて、ヒンジモー
メントMは断面に生ずる曲げ歪を直接にストレンゲージ
1,『により、次に揚力Zは断面に生ずる曲げ歪を直接
ストレンゲージ11により、更に抗力Xは断面又はに生
ずる引張・圧縮歪をストレンゲージ11又は1「により
それぞれ独立に検出することができ、揚力z及び抗力X
のヒンジモーメントMに及ぼす干渉に対して、補正する
ことができることとなり、ここに本発明は高稍度のヒン
ジモーメントの計測を可能とする理論的基礎がある。
Therefore, the cross section has an important meaning in measuring loads other than the lift force Z as a point that is not affected by the lift force Z, and is determined regardless of the material mechanical properties of the moment beam 7 and coincides with the point of action of the lift force Z. The tension and compression caused by the drag force X are constant in each cross section of the moment beam 7 and are unrelated to the material mechanical properties of the moment beam 1. Therefore, the hinge moment M is the bending strain that occurs in the cross section directly by the strain gauge 11, the lift force Z is the bending strain that occurs in the cross section directly by the strain gauge 11, and the drag force X is the tensile force that occurs in the cross section. Compressive strain can be detected independently by strain gauge 11 or 1'', and lift force z and drag force
This means that it is possible to compensate for the interference exerted on the hinge moment M, and this is the theoretical basis of the present invention that makes it possible to measure highly difficult hinge moments.

本発明は航空機の操舵翼の外、自動車の・・ンドル、車
軸、船の推進器軸等のモーメント荷重の計測に適用して
好適である。
The present invention is suitable for application to measuring moment loads on the outside of the steering wing of an aircraft, the steering wheel of an automobile, the axle, the propulsion shaft of a ship, etc.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は公知のヒンジモーメント天秤装置の一例を示す
平面図、第2図は第1図の一に沿つた断面図、第3図a
は第2図に示すモーメント天秤の部分図、第3図bは第
3図aに加えられたヒンジモーメントの分布図、第4図
は本発明の一実施例を示す平面図、第5図は第4図のV
−Vに沿つた断面図、第6図aは第5図に示すモーメン
トビームの部分図、第6図bは第6図aに作用するヒン
ジモーメントの分布図、第6図cは第6図aに作用する
揚力の影響によるモーメント分布図である。 0・・・・・・固定板、1,1′ ,3,3′・・・・
・・枢支部62・・・・・・回動板、4,4′・・・・
・・枢着軸、6,6′・・・′・・球軸受、7・・・・
・・モーメントビーム、11,11・・・・・・ストレ
ンゲージ、12・・・・・・突出端、13・・・・・・
変角金物、14・・・・・・操舵翼、15・・・・・・
薄肉部、16・・・・・坪行スリツト、17・・・・・
・薄肉部。
Fig. 1 is a plan view showing an example of a known hinge moment balance device, Fig. 2 is a sectional view taken along the line 1 in Fig. 1, and Fig. 3 a.
is a partial view of the moment balance shown in FIG. 2, FIG. 3b is a distribution diagram of the hinge moment applied to FIG. 3a, FIG. 4 is a plan view showing an embodiment of the present invention, and FIG. V in Figure 4
6a is a partial view of the moment beam shown in FIG. 5, FIG. 6b is a distribution diagram of the hinge moment acting on FIG. 6a, and FIG. FIG. 3 is a moment distribution diagram due to the influence of lift acting on a. 0... Fixed plate, 1, 1', 3, 3'...
...Pivotal part 62...Rotating plate, 4,4'...
...Pivot shaft, 6,6'...'...Ball bearing, 7...
...Moment beam, 11,11...Strain gauge, 12...Protruding end, 13...
Bending hardware, 14... Steering blade, 15...
Thin wall part, 16... Tsubo row slit, 17...
・Thin wall part.

Claims (1)

【特許請求の範囲】[Claims] 1 それぞれ固定板部材及び回動板部材の両側対向端を
それぞれ互いに枢着するとともに両部材をモーメントビ
ームをもつて連結することにより弾性丁番を構成したも
のにおいて、上記モーメントビーム上であつて上記丁番
の枢着軸線の通る位置にストレンゲージを貼着するとと
もに上記モーメントビームの端部附近に部分的薄肉部を
設けここにストレンゲージを貼着したことを特徴とする
ヒンジモーメント計測装置。
1. In an elastic hinge constructed by pivoting opposite ends of a fixed plate member and a rotating plate member to each other and connecting both members with a moment beam, A hinge moment measuring device characterized in that a strain gauge is attached to a position where the pivot axis of the hinge passes, and a partially thinned part is provided near the end of the moment beam, and the strain gauge is attached thereto.
JP53058531A 1978-05-17 1978-05-17 Hinge moment measuring device Expired JPS5937450B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53058531A JPS5937450B2 (en) 1978-05-17 1978-05-17 Hinge moment measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53058531A JPS5937450B2 (en) 1978-05-17 1978-05-17 Hinge moment measuring device

Publications (2)

Publication Number Publication Date
JPS54150178A JPS54150178A (en) 1979-11-26
JPS5937450B2 true JPS5937450B2 (en) 1984-09-10

Family

ID=13087006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53058531A Expired JPS5937450B2 (en) 1978-05-17 1978-05-17 Hinge moment measuring device

Country Status (1)

Country Link
JP (1) JPS5937450B2 (en)

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CN102901595B (en) * 2012-10-12 2014-07-16 中国航空工业集团公司沈阳飞机设计研究所 Method for measuring hinge moment of control surface
CN104122017A (en) * 2013-04-24 2014-10-29 哈尔滨飞机工业集团有限责任公司 Hinge moment measurement system of helicopter main blade dynamic balance testing bench
CN115144151B (en) * 2022-08-31 2022-11-04 中国航空工业集团公司沈阳空气动力研究所 Rod type hinge moment balance for small rolling moment measurement and measurement method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160119577A (en) * 2015-04-06 2016-10-14 국방과학연구소 A flexure with single Wheatstone bridge circuit for measuring hinge moment
CN105203326A (en) * 2015-10-29 2015-12-30 芜湖恒隆汽车转向***有限公司 Testing tooling for moment performance of steering device pull rod assembly

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