DE2409372A1 - Force pick-up with determinable zero point - has switching mechanism allowing reversal of direction of force - Google Patents

Force pick-up with determinable zero point - has switching mechanism allowing reversal of direction of force

Info

Publication number
DE2409372A1
DE2409372A1 DE2409372A DE2409372A DE2409372A1 DE 2409372 A1 DE2409372 A1 DE 2409372A1 DE 2409372 A DE2409372 A DE 2409372A DE 2409372 A DE2409372 A DE 2409372A DE 2409372 A1 DE2409372 A1 DE 2409372A1
Authority
DE
Germany
Prior art keywords
force
transducer according
force transducer
measuring
aircraft
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.)
Pending
Application number
DE2409372A
Other languages
German (de)
Inventor
Herbert Kampf
Egwin Leiber
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE2409372A priority Critical patent/DE2409372A1/en
Publication of DE2409372A1 publication Critical patent/DE2409372A1/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G3/00Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/14Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
    • G01G3/1402Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G01G3/1408Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being of the column type, e.g. cylindric
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/16Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
    • G01L5/161Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance
    • G01L5/1627Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance of strain gauges

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The force pick-up has a switching mechanism which enables reversal of direction to be carried out under load and the mechanical force flux is equally divided and is allocated to two measuring elements. The directions of the force fluxes in the two elements can be reversed and, at the same time, the places of the elements may be changed. The pick-up can consist of two concentric rings, one surrounding the other, which are connected at two points on their circumference by bridges extending at a tangent. The force to be measured is transmitted from one ring to the other and the total flux passes through the two bridges designed as measuring elements.

Description

Liste der Bezugszeichen List of reference symbols

10 Meßring, Doppelring 11 Außenring 12 Innenring 13 Meßkörper, Brücke 14 Meßkörper, Brücke 15 Außenfläche, Außenmantelfläche 16 Innenfläche, Innenmantelfläche 17 Achse, Mitte, Y-Achse 18 Spalt 19 Spalt 20 Dehnungsmeßstreifen 23 Meßkörper, brücke Leerseite10 measuring ring, double ring 11 outer ring 12 inner ring 13 measuring body, bridge 14 measuring body, bridge 15 outer surface, outer jacket surface 16 inner surface, inner jacket surface 17 axis, center, Y-axis 18 gap 19 gap 20 strain gauges 23 measuring body, bridge Blank page

Claims (19)

P a t e n t a n s p r ü c h e P a t e n t a n s p r ü c h e O Elektromechanischer Eraftaufnellmer, dessen Nullpunkt bestimmbar ist und durch dessen Meßkörper die g&-aze Kraft hindurchgeht, g e k e n n z e i c h n e t d u r c h eine Umschaltvorrichtung, die die Kraftrichtung in dem Meßkörper oder den Meßkörper umzupolen gestattet.O Electromechanical force recorder, the zero point of which can be determined is and through whose measuring body the g & -aze force passes, g e k e n n z e i c h n e t d u r c h a switching device that controls the direction of force in the measuring body or the polarity of the measuring body is permitted. 2) Kraftaufnehmer nach Anspruch 1, g e k e n n z e i c h n e t d u r c h eine Umschaltvorrichtung, die die RLichtungsumlehL unter Last gestattet. 2) Force transducer according to claim 1, g e k e n n n z e i c h n e t d u r c h a switching device that allows the RLichtumlehL under load. 3) Kraftaufnehmer nach Anspruch 1 oder 2, worin zwei Meßkörper vorgesehen sind und worin sich der mechanische Kraft fluß etwa hälftig auf die beiden Meßkörper aufteilt, d a d u r c h g e k e n n z e i c h n e t, daß die Umschaltvorrichtung so ausgebildet und angeordnet ist, daß sie die Umkehr der Richtungen der Kraftflüsse in beiden Heßkörpern bei gleichzeitiger Vertauschung der Plätze der Heßkörper gestattet. 3) force transducer according to claim 1 or 2, wherein two measuring bodies are provided are and in which the mechanical force flow is about half on the two measuring body splits up, that is, the switching device is designed and arranged so that it reverses the directions of the flow of forces Permitted in both bodies with simultaneous swapping of the positions of the bodies. 4) Kraftaufnehmer nach Anstrich 3, d a d u r c h g e k e nn-7 e i c h n e t, daß er aus zwei konzentrischen Ringen besteht, so daß der eine (äußere) den anderen (nneren) umgibt, daß die Ringe an zwei Stellen ihres Umfanges durch Brücken miteinander verbunden sind, die sich im wesentlichen tangential erstrecken, daß die zu messende Kraft von dem einen der Ringe auf den anderen übertragen wird, so daß der gesamte Kraftfluß durch die beiden Brücken geht, die als Meßkörper ausgebildet sind, und daß der so gebildete Doppelring unter Last um 1800 um seine Achse drehbar ist. 4) Force transducer according to item 3, d u r c h g e k e nn-7 e i n e t that it consists of two concentric rings, so that one (outer) the other (inner) surrounds that the rings through at two points of their circumference Bridges are connected to each other, which extend essentially tangentially, that the force to be measured is transmitted from one of the rings to the other, so that the entire power flow goes through the two bridges, which are designed as measuring bodies are, and that the double ring thus formed can be rotated around its axis by 1800 under load is. 5) Kraftaufnehmer nach Anspruch 4, d a d u r c h g e k e nnz e i c h n e t, daß die beiden Brücken spiegelsymmetrisch zu der in der Mitte zwischen ihren Körpern oder Plätzen gedachten Mitten- oder Symmetrieebene angeordnet sind. 5) Force transducer according to claim 4, d a d u r c h e k e nnz e i c h n e t that the two bridges are mirror symmetrical to the one in the middle between their bodies or places imaginary center plane or plane of symmetry are arranged. 6) Kraftaufnehmer nach Anspruch 4, da d u r c h g e -k e n n z e i c h n e t, daß die beiden Brücken oder Meßkörper symmetr:isch in Bezug auf die Achse des Ringes angeordnet sind, derar-t, daß die beiden einander diametral gegenüberliegenden Punkte der beiden Brakken einander entsprechenr 6) Force transducer according to claim 4, since d u r c h g e -k e n n z e i c h n e t that the two bridges or measuring bodies are symmetrical with respect to the axis of the ring are arranged in such a way that the two diametrically opposite one another Points of the two brakes correspond to each other 7) Kraftaufnehmer nach einen der Ansprüche 1 - 6, d a -d u r c h g e k e n n z e i c h n e t, daß die fleßkörper innerhalb des Kraftaufnehmcrs aus anderem Werke stoff als die iibrigen, im Kraftfluß liegenden Teile des Aufnehmers bestehen.7) Force transducer according to one of the Claims 1 - 6, d a -d u r c h g e k e n n z e i c h n e t that the corpuscles Inside the force transducer made of a different material than the others, in the force flow lying parts of the transducer exist. 8) Kraftaufnehmer nach Anspruch 7, d a d u r c h g e -k e n n ß e i c h n e t, daß die Brücken aus anderem Werkstoff als die Ringe bestehen, die durch die Brükken verbunden sind.8) Force transducer according to claim 7, d a d u r c h g e -k e n n ß e i c h n e t that the bridges are made of a different material than the rings that go through the bridges are connected. 9) Eraftaulnehmer nach den Ansprüchen 1 - 8, d a d urch g e k e n n z e i c h n e t, daß die reibenden Flächen des Innen- und Außenringes in Gleit- oder Wälzlagern angeordnet sind.9) Eraftaulnehmer according to claims 1 - 8, d a d urch g e k e n It is not indicated that the friction surfaces of the inner and outer ring are in sliding or roller bearings are arranged. 10) Kraftaufnehmer nach den Anspriichen 1 - 8, d a d u rch g e k e n n z e i c h n e t, daß wenigstens zwei von ihnen getrennt voneinander nebeneinander auf einer Achse angeordnet sind.10) Force transducer according to claims 1 - 8, d u rch g e k e nn z e i n e t that at least two of them are separated from each other next to each other are arranged on an axis. 11) Kraftaufnehmer nach den Ansprüchen 1 - 9, d a -d u r c h g e k e n n z e i c h n e t, daß wenigstens zwei von ihnen einen äußeren Ring gemeinsam haben.11) Force transducer according to claims 1-9, d a -d u r c h g e k It should be noted that at least two of them share an outer ring to have. 12) Kraftaufnehmer nach den Ansprüchen l-9, d a d u r c h g ek e n n z e i c h n e t, daß wenigstens zwei von ihnen einen inneren Ring gemeinsam haben.12) Force transducer according to claims l-9, d a d u r c h g ek e n Note that at least two of them have an inner ring in common. 13) Kraftaufnehmer nach den Ansprüchen 1-12, d a d u r c h g ek e n n z e i c h n e t, daß er in axialer Richtung mehr als zwei Meßkörper hat.13) Force transducer according to claims 1-12, d a d u r c h g ek e It is not indicated that it has more than two measuring bodies in the axial direction. 14) Kraftaufnehmer nach den Ansprüchen 1-9, g e k e n n z e i c hn e t d u r c h seinen Einbau in einem tragenden Bauteil eines Luftfahrzeuges, insbesondere Flugzeuges, für das Messen der darin auftretenden Kräfte im Stand und/oder in der Bewegung am Boden oder in der Luft.14) Force transducer according to claims 1-9, g e k e n n n z e i c hn e t d u r c h its installation in a load-bearing component of an aircraft, in particular Aircraft, for measuring the forces occurring in it while standing and / or in the Movement on the ground or in the air. 15) Kraftaufnehmer nach Anspruch 14, g e k e n n z e i c h n e t d u r c h seinen Einbau in das Fahrwerk eines Luftfahrzeuges, insbesondere Flugzeuges, zum Messen des Gewichtes des Luftfahrzeuges und/oder von Landestößen.15) Force transducer according to claim 14, g e k e n n n z e i c h n e t d u r c h its installation in the landing gear of an aircraft, in particular an airplane, for measuring the weight of the aircraft and / or landing impacts. 16) Kraftaufnehmer nach den Ansprüchen 1-14, g e k e n n z e i c h--n e t d u r c h seinen Einbau in eine Triebwerks aufhängung eines Luftfahrzeuges, insbesondere zum Messen des Triebwerkschubes.16) Force transducer according to claims 1-14, g e k e n n z e i c h - n e t d u r c h its installation in an engine mount of an aircraft, especially for measuring the engine thrust. 17) Aufnehmer nach den Ansprüchen 1-14, g e k e n n z e i c h n e t d u r c h seinen Einbau in die Flügelanschlußbeschläge und/ oder die Flügelholme eines Flugzeuges.17) transducer according to claims 1-14, g e k e n n n z e i c h n e t by installing it in the sash connection fittings and / or the sash spars of an airplane. 18) Kraftaufnehmer nach den Ansprüchen 1-14, g e k e n n z e i c hn e t d. u r c h seinen Einbau in die Aufhängung eines Ruders eines Luftfahrzeuges, insbesondere Flugzeuges.18) Force transducer according to claims 1-14, g e k e n n n z e i c hn e t d. u r c h its installation in the suspension of a rudder of an aircraft, especially aircraft. 19) Kraftaufnehmer nach den Ansprüchen 1-14, g e k e n n z e i c hn e t d u r c h seinen Einbau in Rippen von Flügeln, Flossen oder Rudern oder in Rumpfspanten oder in Teile der Beplankung von Flugzeugen.19) Force transducer according to claims 1-14, g e k e n n n z e i c hn e t d u r c h its installation in the ribs of wings, fins or oars or in the bulkheads or in parts of the planking of aircraft.
DE2409372A 1974-02-27 1974-02-27 Force pick-up with determinable zero point - has switching mechanism allowing reversal of direction of force Pending DE2409372A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2409372A DE2409372A1 (en) 1974-02-27 1974-02-27 Force pick-up with determinable zero point - has switching mechanism allowing reversal of direction of force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2409372A DE2409372A1 (en) 1974-02-27 1974-02-27 Force pick-up with determinable zero point - has switching mechanism allowing reversal of direction of force

Publications (1)

Publication Number Publication Date
DE2409372A1 true DE2409372A1 (en) 1975-09-04

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321067A1 (en) * 1975-08-14 1977-03-11 Voest Ag SMOOTH BALL BEARING FOR TILTING CONVERTER
DE3336727A1 (en) * 1983-10-08 1985-05-15 Erhardt & Leimer GmbH, 8900 Augsburg DEVICE FOR LINEAR FORCE MEASUREMENT
US4854179A (en) * 1987-10-02 1989-08-08 Blh Electronics, Inc. Coaxial load cell
US5419210A (en) * 1993-03-09 1995-05-30 Blh Electronics, Inc. High capacity weigh module
US6216547B1 (en) 1997-11-26 2001-04-17 Litens Automotive Partnership Load sensor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321067A1 (en) * 1975-08-14 1977-03-11 Voest Ag SMOOTH BALL BEARING FOR TILTING CONVERTER
DE3336727A1 (en) * 1983-10-08 1985-05-15 Erhardt & Leimer GmbH, 8900 Augsburg DEVICE FOR LINEAR FORCE MEASUREMENT
US4581947A (en) * 1983-10-08 1986-04-15 Johannes Wulf Linear force measurement apparatus or device
US4854179A (en) * 1987-10-02 1989-08-08 Blh Electronics, Inc. Coaxial load cell
US5419210A (en) * 1993-03-09 1995-05-30 Blh Electronics, Inc. High capacity weigh module
US6216547B1 (en) 1997-11-26 2001-04-17 Litens Automotive Partnership Load sensor
US6484593B2 (en) 1997-11-26 2002-11-26 Litens Automotive Partnership Load sensor with flexing and strainable beam members

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