US1899525A - Automatic rail locator for brushes of fissure detector cars - Google Patents
Automatic rail locator for brushes of fissure detector cars Download PDFInfo
- Publication number
- US1899525A US1899525A US436822A US43682230A US1899525A US 1899525 A US1899525 A US 1899525A US 436822 A US436822 A US 436822A US 43682230 A US43682230 A US 43682230A US 1899525 A US1899525 A US 1899525A
- Authority
- US
- United States
- Prior art keywords
- rail
- car
- rails
- wheels
- mechanisms
- 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 - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
- B61K9/10—Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
Definitions
- T his invention relatesto rail flaw detectorl cars ⁇ which carry rail iaw detecting mecha'- nisin adapted to be raised and lowered with respect to the car. rThe problem presents itself, when the car is travelling around a curve, of lowering the detector mechanism so as to locate the rails properly, because it will be understood that if the contact mechanism, when lowered vertically, is designed to engage the rails when the car is travelling on a straight portion of track, such vertical movement will not cause engagement of the Contact mechanism with the rails when the'car is travellingaround a curve.
- This invention has for its object, therefore, the provision orm means whereby the detecting mechanism may -be lowered to eiiective position to insure rapid engagement of said mechanism with the rails.
- Vde have disclosed two orms of our invention applicable respectively to cars of relarention will become apparent in the following detailed description thereof.
- Fig. 1 is la side view of a car itted with a form of Sperry detector mechanism.
- Fig. 2 is an enlarged view of a portion of the detector mechanism partly sectioned vertically and disclosing the means for lowering the mechanism to the track.
- Fig. 3 is a front view of one form ofmechanism for locating the iaw detecting mechanisxn with respect to the rails.
- Fig. a is a detail showing the means for maintaining the guide wheels of the detector mechanism normally in elevated and outward positions.
- Fig. 5 is a side view of anotherform of locating mechanism designed to be employed upon cars of relatively great length.
- Fig. 5 is a plan view of the Fig. 5 the invention.
- FIG. 1 of the drawings we have shown a car of relatively long wheel form of 1930. seria No. liaaaa,
- Said mechanism comprises essentially a means within the car for generating electric current for delivery to contact brushes 1 5, 16 for supplying said current to the rail, a contact brush holder 17 being adapted to be raised to inefective position and lowered to eective position, said holder being provided with wheels 18 designed to run upon the rail, and a detector carriage 20 supported upon the brush holder 17.
- a contact brush holder 17 being adapted to be raised to inefective position and lowered to eective position, said holder being provided with wheels 18 designed to run upon the rail, and a detector carriage 20 supported upon the brush holder 17.
- iiuid pressure operated means such as the cylinder 25 in which operates a piston 26, said piston being connected through a piston rod 27 to the contact brush holder, is supplied with fluid under pressurefto drive the piston downwardly and hence lower the --contact brush holder and hold thesame firmly against the rails during operation.
- the flaw detecting mechanism could be lowered vertically into direct contact with the rails.
- the device must be capable of operating on curved track as well.
- the wheels 18 of the detector carriage at either side ofthe car would fall inside and outside of the rails respectively, and on a curve of suiicient degree .of Vcurvature the iange 30 of the inside Wheel might land directly on the rail or even outside the rail and prevent lowering of the carriage into its proper eiective position where it may run along the rails.
- the mechanism shown in Figs. 1 and 2 represents the flaw detecting means .at one side of the car adapted to engage one rail and that this mechanism is 10 duplicated on the other side of the car in eXact alignment with the mechanism on the rst side and is adapted to engage the other rail.
- the following description will describe the locating means for the Haw' detecting mechanism at only one side of the car, and it is understood that this mechanism is duplicated but positioned to act oppositely with respect to the flow detecting mechanism on the other side of the car.
- the two Haw detecting mechanisms at the two sides of the car are independent of each other, while inthe Figs. 1, 5 and 6 form they are interconnected.
- the cylinder 25 at each end of the detecting mechanism is so journaled that the entire detecting mechanism may be swung laterally with respect to the car and the rails about the said pivots 34. Since the springs 21 normally bias wheels 18 outwardly vwith respect to the rails, it is necessary inlowering, in order to insure that flange 30 will not fall directly on the rail head or outside of the rail, especially when going around curves, that the said wheels be moved inwardly during the lowering operation until the peripheries 37 of the wheels touchthe rails and then said wheels may be moved outwardly until flanges 30 engage the rail heads.
- This action consists broadly, therefore, in swinging the detector mechanisms at each side of the car inwardly as they are lowered, until'the wheels engage the rail heads and then in the final lowering operation spreading the detecting mechanisms until the flanges 37 come in contact with the rail heads.
- a further cam face 47 is provided on each cam member 40 to prevent rollers 45 from passing be ond the cam 4() to an inoperative position.
- flange 48 on the cam member 40 acts as a bu'er to limit thel backward movement of the contact brush holder caused by drag thereof on the rail.
- the said aframe is designed to be located with respect to the rails by means of a pair bf auxiliary locator wheels
- the out- 60 which are pivoted at 61 in arms or meml bers 62 so that they may be raised or lowered bymeans of a cable 63 extending into the car so that it may be wound upon a drum 64 by a handwheel 65 against the action of a that when, the frame 50 is swun restoring spring 66.
- the said arms62 are connected to the frame 5() at their lower ends and pivoted beneath thecarbody at 70 so it will be swung about the four pivots 70.
- a rail daw detecting ⁇ mechanism adapted to be mounted on a car, means whereby said mechanism may be raised to ineffective position, means whereby said mechanism may be lowered to effective positibn, and means whereby said mechanism is moved inwardly during movement thereof to effective position so as to insure engagement thereof with said rails.
- a rail flaw detecting mechanism adapted to be mounted on a car, said mechanism including'a plurality of rail engaging members, means whereby.
- said mechanism may be raised to ineffective position, means whereby'said mechanism may be lowered to effective position, a cam, -said mechanism engaging said cam during movement lto effective and ineffective positions, said cam having a plurality of'faces of differentkin'clinations whereby said mechanism isT moved inwardly duringV the downward movement thereof until said members engage the rail and then moved outwardly.
- a rail iaw detecting mechanism adapted to be mounted on a car said mechanism including a plurality of wheels adapted to engage the rail, said wheels having anges, means whereby said mechanismmay beY raised to ineffective position, means whereby said mechanism may be lowered to effective position, means whereby said mechanism is moved inwardly during downward' movement thereof until said wheels engage the rail, and means whereby said mechanism ⁇ is then movedoutwardly until said ianges engage the rail.
- a rail Haw detecting mechanism adapted to ⁇ be mounted on a car, said mechanism including a plurality of wheels adapted to engage the rail, said wheels having tlanges, means whereby said mechanism may be raised to ineective position, means whereby' said mechanism may .be lowered to edectve position, a cam, sa-id'mechanism engaging said cam during movement to eiiective and ineii'ectivepositions, said cam having a plurality of faces of dii'erent inclinations whereby said mechanism is moved inwardly during the downwardv movement 8.
- a rail flaw detector car having a rail flaw detecting mechanism at each side thereof, each of said mechanisms having a plurality of rail engaging members, means whereby said mechanisms may be raised to ineffective position, means whereby said mechanisms may be lowered to effective gage the rails, each of position, and means whereby said mechanisms are moved inwardly and toward each other during downward movement thereof until said members engage the rails and are then moved outwardly and away from each other.
- av rail aw detector car having a rail flaw detecting mechanism at each side thereof, each of said mechanisms having a plurality of wheels adapted to ensaid wheels having a flange, means whereby said mechanisms may be raised to ineffective position, means whereby said mechanisms may be lowered .to effective position, and means whereby said mechanisms are moved inwardly and toward each other during -downward movement thereof until said wheels engage the rails and are then moved outwardly and away from each other until said flanges engage the rails.
- a rail Haw detector car having a rail Haw detector mechanism movably connected therewith, means whereb y said .mechanism may be raised to ineffective position, means whereby said mechanism may be lowered to effective position, and a locator for said mechanism connected thereto, said locator being movably connected to said c ar and adapted to engage the rail for positioning said rail.
- a rail flaw detector car having a rail flaw detector mechanismrmovably connected therewith, means lwhereby said mechanism may be raised to ineifective posltlon, means whereby said mechanism mechanism with respect to the I reaaaa whereby said locator may be raised and lowered,and means within the car whereby said locator may be moved laterally with respect to the car and the rail to engage the rail and be raised to ineffective position, means whereby said mechanisms may be lowered to effective position, a frame interconnecting said mechanisms, said frame being pivoted on said car for movement laterally with respect to the car and the rails, a locator for said mechanisms connected to said frame, and means whereby said locator may be moved with respect to the car and the rails to engage the rails and position said frame and said mechanisms wlth respect to the rails.
- a rail flaw detector car having a rail Haw detecting mechanism at each side thereof for engaging the respective rails, means whereby said mechanisms may be raised to ineffective position, means whereby said mechanisms may be lowered to effective position, and means whereby said mechanisms are moved inwardly and toward each other during downward move' ment thereof, a frame interconnecting said mechanisms, said frame being pivoted on said car for movement laterally with respect to the car aii'd the rails', a locator for said mechanisms connected to said frame, and means whereby said locator may be moved with respect to the car and the rails to engage the rails and position said mechanisms with respect to the rails.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US436822A US1899525A (en) | 1930-03-18 | 1930-03-18 | Automatic rail locator for brushes of fissure detector cars |
| DES97205D DE571902C (de) | 1930-03-18 | 1931-03-10 | Vorrichtung an einem Eisenbahnwagen zum Auffinden von Rissen in Eisenbahnschienen |
| GB7778/31A GB372474A (en) | 1930-03-18 | 1931-03-13 | Improvements in or relating to rail flaw detecting mechanism |
| FR714516D FR714516A (fr) | 1930-03-18 | 1931-03-17 | Perfectionnements aux dispositifs de détection des défauts des rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US436822A US1899525A (en) | 1930-03-18 | 1930-03-18 | Automatic rail locator for brushes of fissure detector cars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1899525A true US1899525A (en) | 1933-02-28 |
Family
ID=23733959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US436822A Expired - Lifetime US1899525A (en) | 1930-03-18 | 1930-03-18 | Automatic rail locator for brushes of fissure detector cars |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1899525A (fr) |
| DE (1) | DE571902C (fr) |
| FR (1) | FR714516A (fr) |
| GB (1) | GB372474A (fr) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2582440A (en) * | 1948-09-24 | 1952-01-15 | Frank H Keaton | Rail flaw detection apparatus |
| US2602109A (en) * | 1950-02-18 | 1952-07-01 | Walter C Barnes | Flaw detector carriage |
| US2688725A (en) * | 1951-11-15 | 1954-09-07 | Teleweld Inc | Rail fissure detector car |
| US5514956A (en) * | 1994-10-11 | 1996-05-07 | Industrial Sensors And Actuators | Release mechanism for high-magnetization magnetic inspection apparatus for use in inspecting storage tank bottoms |
-
1930
- 1930-03-18 US US436822A patent/US1899525A/en not_active Expired - Lifetime
-
1931
- 1931-03-10 DE DES97205D patent/DE571902C/de not_active Expired
- 1931-03-13 GB GB7778/31A patent/GB372474A/en not_active Expired
- 1931-03-17 FR FR714516D patent/FR714516A/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2582440A (en) * | 1948-09-24 | 1952-01-15 | Frank H Keaton | Rail flaw detection apparatus |
| US2602109A (en) * | 1950-02-18 | 1952-07-01 | Walter C Barnes | Flaw detector carriage |
| US2688725A (en) * | 1951-11-15 | 1954-09-07 | Teleweld Inc | Rail fissure detector car |
| US5514956A (en) * | 1994-10-11 | 1996-05-07 | Industrial Sensors And Actuators | Release mechanism for high-magnetization magnetic inspection apparatus for use in inspecting storage tank bottoms |
Also Published As
| Publication number | Publication date |
|---|---|
| FR714516A (fr) | 1931-11-16 |
| DE571902C (de) | 1933-03-07 |
| GB372474A (en) | 1932-05-12 |
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