GB487886A - Device for measuring deformation of machine frames and the like under load - Google Patents

Device for measuring deformation of machine frames and the like under load

Info

Publication number
GB487886A
GB487886A GB17037A GB17037A GB487886A GB 487886 A GB487886 A GB 487886A GB 17037 A GB17037 A GB 17037A GB 17037 A GB17037 A GB 17037A GB 487886 A GB487886 A GB 487886A
Authority
GB
United Kingdom
Prior art keywords
frame
spring
wedge
rod
indicating instrument
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
GB17037A
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 GB17037A priority Critical patent/GB487886A/en
Publication of GB487886A publication Critical patent/GB487886A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
    • G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

487,886. Strain measuring gauges. JOHN, F. Jan. 4, 1937, No. 170. [Class 106 (ii)] Comprises a particular construction of the type of device for measuring the deformation of a machine frame under load in which an indicating instrument is secured at one point to the frame, the indication being controlled by a slidable member having a lost-motion connection to another point of the frame so that the slidable member operates the indicator in a one-way-movement to give maximum deformation. Located in a casing 2 and attached to the frame 1 is an indicating instrument having a pointer 3 and spring feeler 4 engaging a wedge-shaped slider 10. A rod 7 secured at 8 to the frame is connected to the member 10 by a pin-and-slot connection 16, 17. A brake shoe 15 is pressed against the wedge 10 by a spring 13. When the frame stretches, the wedge 10 is moved against the frictional resistance of the brake shoe and held in the new position, the movement being indicated by the pointer 3. In a modification, the casing is horizontal and the wedge is acted upon by a tension spring, the rod 7 which is spring urged, being connected to the brake block at the lower end, and to the frame by a lost motion connection at the point 8. In a variation of this form a second indicating wedge is arranged at approximately right-angles to the first. Further forms involve the use, instead of the indicating instrument with a feeler, of an eccentrically mounted graduated disc which bears against a spring brake block having a pin-and-slot connection to the rod 7 or against the lower end of the rod itself, which is spring pressed.
GB17037A 1937-01-04 1937-01-04 Device for measuring deformation of machine frames and the like under load Expired GB487886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB17037A GB487886A (en) 1937-01-04 1937-01-04 Device for measuring deformation of machine frames and the like under load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17037A GB487886A (en) 1937-01-04 1937-01-04 Device for measuring deformation of machine frames and the like under load

Publications (1)

Publication Number Publication Date
GB487886A true GB487886A (en) 1938-06-28

Family

ID=9699630

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17037A Expired GB487886A (en) 1937-01-04 1937-01-04 Device for measuring deformation of machine frames and the like under load

Country Status (1)

Country Link
GB (1) GB487886A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749992C (en) * 1940-02-08 1944-12-09 Device for monitoring harmful deformations based on thermal expansion on commutators in operation of electrical machines
CN104723235A (en) * 2015-03-09 2015-06-24 上海交通大学 Height-adjustable universal fixture for feedback rod rigidity measurement and pipe spring rigidity measurement
CN113977489A (en) * 2021-11-15 2022-01-28 株洲时代瑞唯减振装备有限公司 Be used for single rigidity test frock of rail vehicle V type spring

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749992C (en) * 1940-02-08 1944-12-09 Device for monitoring harmful deformations based on thermal expansion on commutators in operation of electrical machines
CN104723235A (en) * 2015-03-09 2015-06-24 上海交通大学 Height-adjustable universal fixture for feedback rod rigidity measurement and pipe spring rigidity measurement
CN113977489A (en) * 2021-11-15 2022-01-28 株洲时代瑞唯减振装备有限公司 Be used for single rigidity test frock of rail vehicle V type spring
CN113977489B (en) * 2021-11-15 2023-07-25 株洲时代瑞唯减振装备有限公司 Single-piece stiffness test tool for V-shaped spring of railway vehicle

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