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GB864193A - Improvements relating to the measurement of axle loads of railway vehicles - Google Patents

Improvements relating to the measurement of axle loads of railway vehicles

Info

Publication number
GB864193A
GB864193A GB3107458A GB3107458A GB864193A GB 864193 A GB864193 A GB 864193A GB 3107458 A GB3107458 A GB 3107458A GB 3107458 A GB3107458 A GB 3107458A GB 864193 A GB864193 A GB 864193A
Authority
GB
United Kingdom
Prior art keywords
gauges
railway vehicles
strain
loads
circuit
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
GB3107458A
Inventor
Martyn Booty
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.)
SAUNDERS ROE Ltd
Original Assignee
SAUNDERS ROE 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 SAUNDERS ROE Ltd filed Critical SAUNDERS ROE Ltd
Priority to GB3107458A priority Critical patent/GB864193A/en
Publication of GB864193A publication Critical patent/GB864193A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01G3/142—Circuits specially adapted therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • G01G19/04—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles
    • G01G19/045—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles for weighing railway vehicles in motion
    • G01G19/047—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles for weighing railway vehicles in motion using electrical weight-sensitive devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

864,193. Railway vehicles axle load measuring systems. SAUNDERS-ROE Ltd. Sept. 14, 1959 [Sept. 29, 1958], No. 31074/58. Class 40(1). [Also in Group XL (c)] A system for measuring axle loads of railway vehicles comprises a pair of electric resistance vertical strain gauges (e.g. 11 and 12) made of thin foil on opposite vertical faces of the web of a rail 28 at a point where it rests on a sleeper or other support 30, and a circuit to indicate or record the mean value of the strain, thus balancing out lateral strains. Gauges can be similarly arranged on the companion rail 29 and each pair is temperature-compensated by similar and adjacent gauges (e.g. 17 and 18) orientated so as not to respond to vertical compression, Fig. 1. All the gauges in their balanced pairs are connected in a bridge-circuit, Fig. 2, the output of which is amplified in a pushpull transistor circuit, Fig. 5 (not shown) and operates, for example, a thyratron relay unit which responds to the different loads at different thresholds and may control the braking intensity accordingly. Alternatively the four gauges forming each arm may be all in series or all in parallel. In a static weighbridge, the strain 81 and compensating 82 gauges are incorporated in the same foil of dimensions about 6x1 inches and consist of zig-zag tracks as in Fig. 4. Duplication of such gauges at adjacent sleeper support positions, Fig. 3 (not shown), enables complete vehicle loads to be measured.
GB3107458A 1958-09-29 1958-09-29 Improvements relating to the measurement of axle loads of railway vehicles Expired GB864193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3107458A GB864193A (en) 1958-09-29 1958-09-29 Improvements relating to the measurement of axle loads of railway vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3107458A GB864193A (en) 1958-09-29 1958-09-29 Improvements relating to the measurement of axle loads of railway vehicles

Publications (1)

Publication Number Publication Date
GB864193A true GB864193A (en) 1961-03-29

Family

ID=10317569

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3107458A Expired GB864193A (en) 1958-09-29 1958-09-29 Improvements relating to the measurement of axle loads of railway vehicles

Country Status (1)

Country Link
GB (1) GB864193A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099001A2 (en) * 1982-07-16 1984-01-25 Messmetallurgie GmbH Method and apparatus for measuring the wheel loads of fast moving railroad cars
EP0123774B1 (en) * 1983-03-02 1988-08-31 Asea Industrie Und Automation Gmbh Method of identification of waggons in a fast running train and device for carrying out the method
EP0560262A1 (en) * 1992-03-10 1993-09-15 Gerd R. Dipl.-Ing. Wetzler Load-related switching signals generating method on railway tracks
WO2023088642A1 (en) * 2021-11-16 2023-05-25 Valmet Ab Device and method for weighing a spool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099001A2 (en) * 1982-07-16 1984-01-25 Messmetallurgie GmbH Method and apparatus for measuring the wheel loads of fast moving railroad cars
EP0099001A3 (en) * 1982-07-16 1985-01-23 Messmetallurgie GmbH Method and apparatus for measuring the wheel loads of fast moving railroad cars
EP0123774B1 (en) * 1983-03-02 1988-08-31 Asea Industrie Und Automation Gmbh Method of identification of waggons in a fast running train and device for carrying out the method
EP0560262A1 (en) * 1992-03-10 1993-09-15 Gerd R. Dipl.-Ing. Wetzler Load-related switching signals generating method on railway tracks
WO2023088642A1 (en) * 2021-11-16 2023-05-25 Valmet Ab Device and method for weighing a spool

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