DE6608240U - FORCE SCALE WITH EXPANSION Gauges. - Google Patents
FORCE SCALE WITH EXPANSION Gauges.Info
- Publication number
- DE6608240U DE6608240U DE19686608240 DE6608240U DE6608240U DE 6608240 U DE6608240 U DE 6608240U DE 19686608240 DE19686608240 DE 19686608240 DE 6608240 U DE6608240 U DE 6608240U DE 6608240 U DE6608240 U DE 6608240U
- Authority
- DE
- Germany
- Prior art keywords
- measured
- force
- section
- piece part
- pressure force
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
- G01L1/2218—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being of the column type, e.g. cylindric, adapted for measuring a force along a single direction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing 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
- G01G3/14—Weighing 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
- G01G3/1402—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
- G01G3/1408—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being of the column type, e.g. cylindric
Description
D 17/68-777D 17 / 68-777
üi£raftewaage mit Dehnungsmeaeernüi £ rafte balance with stretching sea
Die Erfindung lia.'t ei»e feiftivaagi mit Beanspruchung ame ss em zum Gegenstand- welcne eine Druckkraft empfangt, aber unter einer Zugkraft arbeitet*The invention lia.'t ei »e feiftivaagi with stress ame ss em to the object which a compressive force receives, but works under a pulling force *
Messung der Kräfte, welche eine Kraft in ein analoges elektri sches Signal umwandelt *ind in ein beliebiges Vagesyatem oder eine beliebige automatische Eegelkette eingebaut werden kann. Das Keßglied der Kraftewaage ist ein Probe»tucks weichte «ich entsprechend der auf es ausgeübten Belastung T*rfor*t«> Diese Ter*ormuag wird mit Hilfe voa Beanepruchungsmeisera f«meesen» welohe z.B· duroh eine dünne lietallechioht gebildetMeasurement of the forces that convert a force into an analog electrical signal * and can be built into any Vagesyatem or any automatic control chain. The key link of the force balance is a test "tuck s soft" according to the load exerted on it
duroh einj elektrolytisches Verfahren auf eine nicht leitende elastische Unterlage aufgebracht ist. Diese Beanspruchungsmesser werden an mehreren Stellen des Probestücks mittels eines Speaialklebstoffs angeklebt. Diese Beanspruchungsmesser bilden die Zweige einer Viheatstoneschen Brücke, welche von einem Generator an einer Diagonalen mit einer Potentialdifferenz gespeist wird j und an der anderen Diagonales eine zu der Verformung proportionale Potentialdifferenz liefert.by means of an electrolytic process on a non-conductive one elastic pad is applied. These strain gauges are applied to several locations on the specimen using a special adhesive glued on. These strain gauges form the branches of a Viheatstone bridge, which is powered by a generator on one diagonal j is fed with a potential difference and on the other diagonal one proportional to the deformation Potential difference supplies.
Die bekannten Kraft ewesgen arbeiten duroh Biegung, Torsion oder Zusammendrückung einer Lamelle,, eines Ringes, einer Scheibe usw.. Die verschiedenen bekannten Kraftewaagentypen besitzen die Nachteile, bedeutende Verschiebungen und eine dauernde Verformung zu besitzen.The well-known force ewesgen work duroh bend, Torsion or compression of a lamella, a ring, a disk, etc. The various known types of force scales have the disadvantages, significant shifts and to have permanent deformation.
Die erfindungsgemasse Vorrichtung besitztThe device according to the invention has
diese Nachteile nicht und ist durch einen einstuckigen Seil gekennzeichnet, welcher an einem Abschnitt eine Druckkraft aufnimmt, wahrend der andere Abschnitt dieses Seils die Beanspru- ! ohungsmesser tragt, festgehalten wird und auf Zug arbeitet· ■does not have these disadvantages and is characterized by a one-piece rope, which absorbs a compressive force on one section, while the other section of this rope takes up the stress! ohungsmesser bears, is held and works on train · ■
Die Erfindung ist nachsteheaä. uötea? Bezug— ; The invention is below. uötea? Reference— ;
>, nähme auf die Zeiohnung beispielshalber beschrieben, deren | >, would take on the zeiohnung described as an example, whose |
einzige Abbildung eine erfindungsgemasse Kraftewaage zeigt. single figure shows a force balance according to the invention.
Ein Probestück 1 ist in einen ζ·Β· zylindri schen Korper 2 eingesetzt. Das Probestück wird durch einen einzigen Blook gebildet, weloher durch einen Ausleger 4 auf dem XSrper 2 jeu&t· A test piece 1 is inserted into a ζ · Β · cylindrical body 2. The test piece is formed by a single blook, which by a boom 4 on the XSrper 2 jeu & t ·
Das Probestück 1 besitzt einen mittleren Ab- »ohnitt 5 und zwei Umfangsabachnitte 6 und 7· Die Umfangsab- »chnittt 6 uad 7 nehmen die zu messende Last auf und erfahren Bruokbetnipruoüung, wltetnd dtr mittlere Abschnitt 5 keine The test piece 1 has a middle section 5 and two circumferential sections 6 and 7. The circumferential sections 6 and 7 take up the load to be measured and experience stress, but the middle section 5 does not
last aufnimmt und auf Zug arbeitet. Dieser mittlere Abschnitt nimmt die Beanspruchungsmesser 8 auf. Die in Richtung des Pfeils 9 auf die Abschnitte 6 und 7 ausgeübte Druckkraft wird mittels einer Kappe 10 übertragen, welche mit Membranen 11 zum Ausgleioh der Störkrafte versehen ist.load and work on train. This middle section accommodates the strain gauges 8. The one in the direction of the arrow 9 on the sections 6 and 7 exerted compressive force is transmitted by means of a cap 10, which with membranes 11 for Ausgleioh the disturbing forces is provided.
Bei der beschriebenen Ausführungsform handelt es sich um ein Probestück in Form eines Bügels, dessen beide Aussenschenkel eine Druckkraft empfangen, während der mittlere durch den Ausleger 4 zurückgehaltene, an dem Körper 2 abgestützte Abschnitt keine Kraft empfängt und auf Zug arbeitet.In the embodiment described is a test piece in the form of a bracket, both of which Outer thighs receive a compressive force, while the middle Restrained by the boom 4, section supported on the body 2 does not receive any force and works in tension.
Das Probestück 1 ist aus einem Material mitThe test piece 1 is made of a material with
hoher Elastizitätzgrenze. Die geringe Verformung der erfindungsgemässen Kräftewaage gewährleistet eine sehr gute Stabilität der gesamten Wägeanordnung. Ihr geringer Platzbedarf stellt einen grossen "vorteil für ihren Einbau in eisen beschrankten Aufnahmeraum dar, insbesondere in Brückenwaagen*high elastic limit. The slight deformation of the inventive The force balance ensures very good stability of the entire weighing arrangement. Your small footprint poses a great "advantage for their installation in iron barriers Recording room, especially in weighbridges *
Bei Benutzung der Torrichtung in Atmosphären mit hoher Seiaperatur wird der mit Sippen versehene iorper äer Kräftewaage in einem Gehäuse mit erzwungenes Luftualiuf aage-When using the gate direction in atmospheres with a high sieve the body provided with clusters becomes outer Force balance in a housing with forced air quality aage-
ordnet. ]arranges. ]
Die Erfindung kann natürlich, abgewandelt jThe invention can of course, modified j
werden. So ist eine Vorrichtung denkbar, bei welcher dl« beiden ;will. Thus a device is conceivable in which both ;
Aussenschenkel des Bügels festbleiben und die Beanepruchunga- j messer aufnehmen, während &qt mittler« Abichnitt dl· Druckkraft aufnimmt· Remain on the outer leg of the bracket and absorb the load a j knife, while & qt middle « Abichnitt dl · absorbs pressure ·
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR99166A FR1522524A (en) | 1967-03-17 | 1967-03-17 | Load cell with strain gauges |
Publications (1)
Publication Number | Publication Date |
---|---|
DE6608240U true DE6608240U (en) | 1971-07-15 |
Family
ID=8627070
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681698151 Pending DE1698151A1 (en) | 1967-03-17 | 1968-03-15 | Force balance with strain gauges |
DE19686608240 Expired DE6608240U (en) | 1967-03-17 | 1968-03-15 | FORCE SCALE WITH EXPANSION Gauges. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681698151 Pending DE1698151A1 (en) | 1967-03-17 | 1968-03-15 | Force balance with strain gauges |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE712168A (en) |
DE (2) | DE1698151A1 (en) |
FR (1) | FR1522524A (en) |
GB (1) | GB1221361A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2104671B (en) * | 1981-08-17 | 1985-09-04 | Hitachi Shipbuilding Eng Co | Device for gauging large load exerted on steel structure or the like |
GB2124789A (en) * | 1982-04-23 | 1984-02-22 | John R Linge | Load measurement devices |
-
1967
- 1967-03-17 FR FR99166A patent/FR1522524A/en not_active Expired
-
1968
- 1968-03-14 BE BE712168D patent/BE712168A/xx unknown
- 1968-03-15 GB GB1273968A patent/GB1221361A/en not_active Expired
- 1968-03-15 DE DE19681698151 patent/DE1698151A1/en active Pending
- 1968-03-15 DE DE19686608240 patent/DE6608240U/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1522524A (en) | 1968-04-26 |
BE712168A (en) | 1968-09-16 |
GB1221361A (en) | 1971-02-03 |
DE1698151A1 (en) | 1971-06-16 |
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