GB741266A - Improvements in strain recording instruments - Google Patents

Improvements in strain recording instruments

Info

Publication number
GB741266A
GB741266A GB3299353A GB3299353A GB741266A GB 741266 A GB741266 A GB 741266A GB 3299353 A GB3299353 A GB 3299353A GB 3299353 A GB3299353 A GB 3299353A GB 741266 A GB741266 A GB 741266A
Authority
GB
United Kingdom
Prior art keywords
contactors
fixed
piston
contactor
slidable
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
GB3299353A
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.)
JOHN BROWN LAMBIE
Vinters Armstrongs Ltd
Original Assignee
JOHN BROWN LAMBIE
Vickers Armstrongs 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 JOHN BROWN LAMBIE, Vickers Armstrongs Ltd filed Critical JOHN BROWN LAMBIE
Priority to GB3299353A priority Critical patent/GB741266A/en
Priority to ES0218677A priority patent/ES218677A1/en
Publication of GB741266A publication Critical patent/GB741266A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

741,266. Counting occurrences of strain. VICKERS-ARMSTRONGS, Ltd., and LAMBIE, J. B. Oct. 26, 1954 [Nov. 27, 1953], No. 32993/53. Classes 106 (1) and 106 (2). An electrical counting apparatus for recording strains in a test piece comprises a cylinder 10 and a piston 11 fixed to two spaced parts of a test piece, the piston 11 having slidably mounted therein contactors 131 ... 134, projecting from both faces of the piston and the ends 14, 15 of the cylinder 10 having a corresponding number of fixed contactors 161 ... 164 and 171 ... 174, the ends of the fixed contactors being of progressively greater distance from the ends of the slidable contactors so that when the piston 11 and cylinder 10 move relatively to one another due to strain on the test piece, the slidable contactors impinge successively against the fixed contactors to make electrical connections to the counting mechanism. Each associated group of sliding contactor and its two fixed contactors is connected to its own counter A, B, C, D having a cocking coil 2 and an actuating coil 1, the arrangement being such that contact between e.g. the sliding contactor 131 and one fixed contactor 171 cocks the counter via coil 2 and the next contact between that sliding contactor 131 and the other fixed contactor 161 actuates the counter A. The slidable contactors may be restrained from endwise movement due to inertia loads. The fixed contactors may be adjustable in position.
GB3299353A 1953-11-27 1953-11-27 Improvements in strain recording instruments Expired GB741266A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3299353A GB741266A (en) 1953-11-27 1953-11-27 Improvements in strain recording instruments
ES0218677A ES218677A1 (en) 1953-11-27 1954-11-26 Improvements in strain recording instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3299353A GB741266A (en) 1953-11-27 1953-11-27 Improvements in strain recording instruments

Publications (1)

Publication Number Publication Date
GB741266A true GB741266A (en) 1955-11-30

Family

ID=10347069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3299353A Expired GB741266A (en) 1953-11-27 1953-11-27 Improvements in strain recording instruments

Country Status (2)

Country Link
ES (1) ES218677A1 (en)
GB (1) GB741266A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1175910B (en) * 1960-01-27 1964-08-13 Atomic Energy Authority Uk Deformation measuring device for inaccessible test specimens, especially nuclear reactor pressure vessels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1175910B (en) * 1960-01-27 1964-08-13 Atomic Energy Authority Uk Deformation measuring device for inaccessible test specimens, especially nuclear reactor pressure vessels

Also Published As

Publication number Publication date
ES218677A1 (en) 1955-12-01

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