DE2950337C2 - Arrangement for continuous measurement of tensile forces - Google Patents
Arrangement for continuous measurement of tensile forcesInfo
- Publication number
- DE2950337C2 DE2950337C2 DE19792950337 DE2950337A DE2950337C2 DE 2950337 C2 DE2950337 C2 DE 2950337C2 DE 19792950337 DE19792950337 DE 19792950337 DE 2950337 A DE2950337 A DE 2950337A DE 2950337 C2 DE2950337 C2 DE 2950337C2
- Authority
- DE
- Germany
- Prior art keywords
- board
- converter
- measurement
- measured
- arrangement
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
- G01L5/101—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means using sensors inserted into the flexible member
Description
unmittelbaren Nähe liegenden Signalwandler verbunden. Der Umformer 3 kann, wie im Beispiel angedeutet, aus Dehnungsmeßstreifen (DMS), aber auch aus kapazi-signal converter located in the immediate vicinity. The converter 3 can, as indicated in the example, from strain gauges (DMS), but also from capacitive
Die Erfindung bezieht sich auf eine Anordnung zur tiven oder induktiven Wegumformern bestehen. Die kontinuierlichen Messung der Zugkraft, die in einem 45 Platine 2 ist vorteilhafterweise als Streifen eines faser-Kabel während eines Einziehens in Kabelkanäle oder verstärkten Kunstharzes gestaltet, beispielsweise als -rohre auftritt und in einem zwischen Kabel und Zugseil glasfaserverstärkte Epoxydharzplatte, die für die Herangeordneten Zugmeßkopf gemessen wird, wobei im stellung der gedruckten Schaltung teilweise kupferbe-Zugmeßkopf ein Umformer angeordnet ist, der die ge- schichtet ist. Die schwingungsdämpfenden Matenaleimessene Zugkraft in ein elektrisches Meßwertsignal 50 genschaften derartiger gewebeverstärkter Kunstharzumformt, und dieses Meßwertsignal vom Zugmeßort platten als Trägermaterial für einen Weg-Widerstandszum Auswertort hin, in Form eines durch einen Wandler umformer ergibt eine resonanzarme Ubertragungschaerzeugten Meßsignals zu einem Meßwertempfänger rakteristik bei der Umwandlung von schnellen Kraftänübertragen wird, wobei die Meßsignale über eine Lei- derungen in elektrische Widerstandsänderungen. Bei tung zum Meßwertempfänger übertragen werden und 55 dieser Anordnung entfällt eine zusätzliche Meßdose diese Leitung vom einzuziehenden Kabel oder dem und ihre Verbindung mit den Kraftübertragungsele-Zugseil gebildet wird. menten 4a und 4b. Weiterhin ergibt sich dabei durch dieThe invention relates to an arrangement for tive or inductive transducers exist. The continuous measurement of the tensile force in a board 2 is advantageously designed as a strip of a fiber cable while it is being drawn into cable ducts or reinforced synthetic resin, e.g. is measured, with a transducer, which is layered, is arranged in the position of the printed circuit partially copper-bevel tensile measuring head. The vibration-damping material dimensioned tensile force into an electrical measured value signal 50 properties of such fabric-reinforced synthetic resin, and this measured value signal from the tensile measuring point plates as a carrier material for a path resistance to the evaluation point, in the form of a transducer through a transducer results in a low-resonance transmission characteristic when converting the measuring signal to a measured value receiver Rapid forces are transmitted, with the measurement signals being converted into electrical resistance changes via lines. When the device is transmitted to the measured value receiver and 55 this arrangement, there is no additional load cell, this line is formed by the cable to be drawn in or by and its connection with the power transmission element pulling cable. elements 4a and 4b. Furthermore, it results from the
Diese Anordnung eignet sich allgemein zur Messung äußerst kurzen Verbindungsleitungen zwischen Umforvon Zugkräften an unzugänglichen Stellen mit Übertra- mer und Signalwandler eine gute Störfestigkeit Die Eneung der Meßsignale an einen Beobachtungsort. Eine 60 den 6a und 6b der Platine 2 sind in geeigneter Weise mit Anwendungsmögiidikcii er.i»ehi unter anderen-, beim je zwei Metallstreifen 5- und 5b verstärkt wodurch die Einziehen von Kabeln in vorbereitete Kabelkanäle. Ins- Lastverteilung aus den Kraftübertragungselementen 4 besondere beim Einziehen von Kabeln, die Lichtleitfa- in die Platine 2 wesentlich verbessert werden kann. Es sern enthalten, kann es wegen deren Zugempfindlich- hat sich als vorteilhaft herausgestellt vor dem Abgleich keit wichtig sein, die auf den Kabelanfang wirksamen 65 der Meßanordnung eine Reihe von Lastwechseln über Zugkräfte zu messen und zu registrieren. die Kraftübertragungs-Elemente 4 in die Platine 2 ein-This arrangement is generally suitable for measuring extremely short connecting lines between converting tensile forces at inaccessible places with transmitters and signal converters. A 60 Figures 6a and 6b of the circuit board 2 are reinforced in a suitable manner with Anwendungsmögiidikcii er.i "ehi among others-, when two metal strips 5 and 5b whereby the pulling cables in prepared cable channels. Ins- load distribution from the force transmission elements 4, especially when pulling in cables, the light guide in the board 2 can be significantly improved. It may contain it, because of its sensitivity to tension, it has been found to be advantageous before the adjustment speed to measure and register the 65 of the measuring arrangement effective on the cable start of a series of load changes via tensile forces. the power transmission elements 4 in the board 2
Eine für diese Zwecke geeignete Anordnung mit ei- zuleiten, diese also vorzurecken. Das geschieht zwecknem Zugmeßkopf zwischen dem Zugseil und dem Kabel mäßig nach dem Aufbringen der Teile des Umformers 3To initiate an arrangement suitable for these purposes, ie to advance it. This is done purposefully Tension measuring head between the pull rope and the cable moderately after the parts of the converter have been applied 3
und dem Zusammenbau der Teile des Signalwandlers 1. Eine derartig vorbehandelte Platine zeigt gute Langidit-Konstanz in ihren Meßwerten. Eine Anpassung einer Platine 2 mit aufgebrachten Umformern 3 an bestimmte zu übertragende oder zu überwachende Kraftwerte kann dadurch erfolgen, daß die Längsseiten 7 der Platine im Bereich des Umformers 3 Ausnehmungen 8 erhalten. Durch weitere Vertiefung dieser Ausnehmungen 8 ist ein weitgehender Abgleich der Anordnung möglich.and the assembly of the parts of the signal converter 1. A board pretreated in this way shows good Langidit constancy in their readings. An adaptation of a circuit board 2 with applied converters 3 to certain To be transmitted or monitored force values can be done in that the longitudinal sides 7 of the Board received 3 recesses 8 in the area of the converter. By deepening these recesses 8 an extensive comparison of the arrangement is possible.
Die für den Aufbau des Signalwandlers 1 erforderlichen Leiterbahnen auf der Platine 2 wie auch die Verbindung des Signalwandlers 1 mit dem Umformer 3 kann in allen für die Herstellung von gedruckten Schaltungen oder von integrierten Schaltkreisen üblichen Techniken erfolgen. In Sonderfällen ist es auch möglich, beispielsweise die Dehnungsmeßstreifen des Umformers 3 in der gleichen Technik auf die Platine 2 aufzubringen wie die Leiterbahnen. In den Figuren ist eine die Platine 2 umgebende Schutzhülle nicht dargestellt worden. Bei ihrer Befestigung an einem der Kraftübertragungselemente 4a oder 46 maß beachtet werden, daß die Schutzhülle die Bewegung des jeweils anderen Elementes 4 und damit die Drehung der Platine 2 nicht behindertThe necessary for the construction of the signal converter 1 Conductor tracks on the circuit board 2 as well as the connection between the signal converter 1 and the converter 3 can be used in all common for the manufacture of printed circuits or integrated circuits Techniques are done. In special cases it is also possible, for example the strain gauges of the converter 3 to be applied to the circuit board 2 using the same technique as the conductor tracks. In the figures, one is the Protective cover surrounding circuit board 2 has not been shown. When they are attached to one of the power transmission elements 4a or 46 must be observed that the protective cover the movement of the other element 4 and thus the rotation of the board 2 is not hindered
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
3030th
4040
5050
5555
Claims (4)
teilung durch fest mit den Enden (6a, 6b) verbundene F i g. 2 den gleichen Kopf, um 90° um seine Längsach-Metallauflagen (5a, 5/>j verstärkt sind. 30 se gedrehtboth ends (6a, 6b) of the strip (2) for load transfer F i g. 1 a tension measuring head, opened
division by F i g firmly connected to the ends (6a, 6b). 2 the same head, rotated by 90 ° around its longitudinal metal supports (5a, 5 /> j. 30 se
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792950337 DE2950337C2 (en) | 1979-12-14 | 1979-12-14 | Arrangement for continuous measurement of tensile forces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792950337 DE2950337C2 (en) | 1979-12-14 | 1979-12-14 | Arrangement for continuous measurement of tensile forces |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2950337A1 DE2950337A1 (en) | 1981-06-19 |
DE2950337C2 true DE2950337C2 (en) | 1986-10-23 |
Family
ID=6088477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792950337 Expired DE2950337C2 (en) | 1979-12-14 | 1979-12-14 | Arrangement for continuous measurement of tensile forces |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2950337C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005056610A1 (en) * | 2005-11-28 | 2007-05-31 | Siemens Ag | Parking brake cable`s tractive force determining method for motor vehicle, involves connecting sensor support with longitudinal sensor whose signal voltage depends on elongation and parameter of force, and determining force from voltage |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2541454A1 (en) * | 1982-05-18 | 1984-08-24 | Laborderie Alain | Device for measuring mechanical stresses undergone by a telecommunications cable when it is placed in an underground network |
GB2537342B (en) * | 2015-01-21 | 2020-04-08 | Slingco Ltd | Load Sensor |
DE102018113429B4 (en) * | 2018-06-06 | 2022-06-09 | Huesker Synthetic Gmbh | Procedure for force measurement on a geogrid |
-
1979
- 1979-12-14 DE DE19792950337 patent/DE2950337C2/en not_active Expired
Non-Patent Citations (1)
Title |
---|
NICHTS-ERMITTELT |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005056610A1 (en) * | 2005-11-28 | 2007-05-31 | Siemens Ag | Parking brake cable`s tractive force determining method for motor vehicle, involves connecting sensor support with longitudinal sensor whose signal voltage depends on elongation and parameter of force, and determining force from voltage |
Also Published As
Publication number | Publication date |
---|---|
DE2950337A1 (en) | 1981-06-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: PHILIPS KOMMUNIKATIONS INDUSTRIE AG, 8500 NUERNBER |
|
8180 | Miscellaneous part 1 |
Free format text: DER ANMELDER LAUTET RICHTIG FELTEN & GUILLEAUME CARLSWERK AG, 5000 KOELN DE |
|
AF | Is addition to no. |
Ref country code: DE Ref document number: 2900770 Format of ref document f/p: P |
|
8110 | Request for examination paragraph 44 | ||
AF | Is addition to no. |
Ref country code: DE Ref document number: 2900770 Format of ref document f/p: P |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8340 | Patent of addition ceased/non-payment of fee of main patent |