US2003209A - Plow for electrical signaling of railways - Google Patents

Plow for electrical signaling of railways Download PDF

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Publication number
US2003209A
US2003209A US688667A US68866733A US2003209A US 2003209 A US2003209 A US 2003209A US 688667 A US688667 A US 688667A US 68866733 A US68866733 A US 68866733A US 2003209 A US2003209 A US 2003209A
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US
United States
Prior art keywords
plates
plow
frame
rail
contact
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
Application number
US688667A
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English (en)
Inventor
Saint-Martin Charles Victor De
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.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
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 Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Application granted granted Critical
Publication of US2003209A publication Critical patent/US2003209A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/10—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using current passing between devices along the route and devices on the vehicle or train
    • B61L3/103—Details of current transmitting conductors or contact brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/182—Use of current of indifferent sort or a combination of different current types
    • B61L1/183—Use of means on the vehicle for improving short circuit, e.g. in vehicles with rubber bandages

Definitions

  • Figure 1 is a vertical central section of an imin plows for electrical signaling of railways. proved plow constructed in accordance with the The tracks of railroads: comprise sections inpresent invention. sulated from one another for purposes ofelec- ' Figure2 is'atop plan view with thecap removed.
  • N are each applied to the rail by the pressure of The usual arrangements employing brushes, rubber blocks 12. Theserubberblocks are con rollers and plows of the type of those used. for fined by brackets l3. Such brackets are formed 35 taking current by electric vehicles, or for the with vertical walls designatedat l3, with top repetition of signals by electrical contacts, do'not plates l4 and upper diagonal flanges l5. Lower give satisfactory results for the track circuits.
  • diagonal flanges I6 extend inwardly from the The present invention has forthe further obvertical walls l3 in order to catch beneath the ject to provide a plow formed by oneor several diagonal end portions of the plates l0. Adjustplates of relatively great length, much narrower ing screws I!
  • the plate and the rail is a rectangle greatly elonblocks l2, or to adjust the vertical height of the gated in the direction of motion.
  • brackets carry i ter a ly r aded eyes I9 35 contact with the plate during a considerably f r trav in up and d n w h t a tsup n longer space than in the case of brushes or rolladjusting sc ews in which adjusting w a e ers.
  • Sand, water or foreign bodies found on the mounted in .an appropriate part of the :plow rail are removed from the point of contact and frame.
  • the plow frame carries at each endaremovable 40 at the point of contact, which is not the case inclinedlip Plate 2
  • the plow frame is aremovable shoe 22for allowing despite lateral movements of the vehicle, and to the passage over switch points, crossings, cross- 45 multiply the points of contact, it is advantageous oversand in general over all gapsor interruptions to use several parallel. plates resting individually 1 1 railson the rail.
  • the plates I9 project below the lip plates 2
  • do not come into contact with the rail piece except where important level differences occur, such as at rail joints, turn tables, etc.; andrthe shoes .22 do not bear upon the rail except at switch points, crossings, cross-overs and other gaps and inter ruptions in therail.
  • Each plate I0 is connected at its medial portion by an electric wire or conductor 3
  • the plow or plows placed at eacliside of the-vehicle are connected together by any connection what,- ever of low electrical resistance. In proportion to wear, the plates 10 may belowered by adjusting .the screws H or 20.
  • 0 have oblique end portions at each extremity for the purpose of enabling them to easily ride over the rail joints, and also to permit the plates H] to be rotated about theirhorizontal axeswherebythey may be inverted for use on both longitudinal edges to double the life of theplates.
  • the plow frame may be made up in any suitable manner, for instance, of the two side members each composed of spaced plates 35 and36 held in spaced relation by. spacing lugs 31 which may be formed upon the exterior surfaces of the inner plates 35.and provided with screw sockets to receive the screws 38 by which the two plates are held together. ,Theseltwo plates are joined by top plates 39 and by bottom plates 40 whereby to form substantially rectangular enclosures.
  • the trunnions 26 project from the outer plates 36.
  • 0 are placed between such hollow frame members and are subject to vertical'adjustment in the frame by means of the screws Hand 20. 7
  • FIGS. 5 to 8 inclusive show'another form of the device in which wear does not necessitate frequent adjustment.
  • designates the contact plates, which plates have diagonal end portions formed with lateral flanges 42 extending obliquely and adapted to engage the adjacent plates in order to space the plates apart.
  • the group of plates arranged in this fashion present, at each end, a continuous array of inclined edges which permit passage over joints and similar obstructions.
  • is held in position by diagonal end pieces 44 by rubber blocks 45. These rubber blocks are seated in strips 46 mounted in cut-away portions in the upper edges of the contact plates 4
  • the socket strips 46 prevent longitudinal movement of the plates 4
  • the cap 50 is used to connect the plow frame to the vehicle.
  • Such cap carries eyes or bearings 5
  • the cap 50 is connected to the vehicle in the same manner as previously described, or in any other appropriate manner.
  • is connected by electric wires or connections 54 with the common contact plate 55, such wires 54 being flexible.
  • the plow or plows at each side of the vehicle are connected electrically by low resistance connections.
  • the pieces 43 rest on the rail only in passing over great. obstructions, such as rail joints, turn tables, or in passing over switch points, crossings, cross-overs and in general gaps or interruptions in the rails.
  • a plow for electric signaling on railroads comprising a plow frame, a cap, trunnions between the cap and the medial portion of the frame, the axes of the trunnions being transverse mounted therein, rubber'blocks in the brackets, and contact plates having V-shaped ends for reversal mounted in said brackets against the blocks.
  • a plow for electric signaling on railroads comprising a plow frame including side frame members having trunnions, resilient rings about the trunnions, a cap having bearings embracing the trunnions and rings, confining means to hold the bearings and rings on the trunnions, and contact means in said frame.
  • a plow for electric signaling on railroads comprising a plow frame having inclined end pieces, long thin contact plates having inclined ends fitting downwardly upon the end pieces, said plates having cut-away portions, socket strips lying across the plates and in the cut-away portions, rubber blocks bearing on said socket strips, and adjustable backing means for the blocks above same and supported on said frame.
  • a plow for electric signaling on railroads comprising a long thin plate bearing edgewise on the rail, means for adjustably suspending said plate from a railroad vehicle, an electric connection from the plate to the signaling circuit of the vehicle, and separate lip plates for raising the contact plates to assist said plow in passing over obstacles.
  • a plow for electric signaling on railroads comprising a plow frame, a plurality of long thin contact plates held in said frame with their long narrow edges exposed beneath the frame for contact with the rail, electrical connections from the plates to the signaling circuit of the Vehicle, means adapted to vertically adjust said plates in the frame, separate lip means for each end of said plates adapted to assist said plow in passing 7 over obstacles.
  • a plow for electric signaling on railroads comprising a plow frame on the railroad car, long thin contact plates in said frame and their lower thin edges exposed below the frame for contact with a rail, yieldable means for urging said plates downward with reference to the frame, means adapted to regulate the tension of said yieldable means, and separate lip means at each end of said plow frame adapted to assist said plow in passing over obstacles.
  • a plow for electric signaling on railroads comprising a plow frame, a plurality of contact plates held side by side in said frame and being long and thin with their lower long edges exposed below the frame for contact with a rail head, elastic means in said frame for urging the plate downwardly, adjustable means in said frame for vertically adjusting said plates and elastic means and separate lip plates at each end of said plow frame adapted to assist said plow in passing over obstacles.
  • a plow for electric signaling on railroads comprising a plow frame, a plurality of long thin contact plates, means to hold the plates yieldably and in parallel relation in the frame with the edgewise dimensions of the plates substantially vertical, spacing means to hold the plates a predetermined distance apart and separate lip plates at each end of said plow frame adapted to assist the plow in passing over obstacles.
  • a plow for electric signaling on railroads comprising a plow frame, and contact plates therein disposed edgewise in a substantially vertical direction side by side, said contact plates having flanges turned at their opposite ends to engage an adjacent plate and thereby space the plates apart.
  • a plow for electric signaling on railroads comprising a plow frame, a tube fitted for ver,
  • cap suspended from the tube, pivotal connections between said cap and plow frame, elongated thin contact plates in the frame bearing at their edges upon the rail, and separate lip plates at each end of said plow frame adapted to assist said plow in passing over obstacles.
  • a plow for electric signaling on railroads comprising a plow frame, contact plates in the frame having long thin edges contacting the rail head throughout substantially their entire length, a cap connecting the plow frame to the vehicle, pivotal connections between said frame andcap intermediate the ends of the frame, the axes of said pivotal connections being transverse to the railroad, and separate lip plates adapted to assist said plow for passing over obstacles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
US688667A 1932-09-10 1933-09-08 Plow for electrical signaling of railways Expired - Lifetime US2003209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2003209X 1932-09-10

Publications (1)

Publication Number Publication Date
US2003209A true US2003209A (en) 1935-05-28

Family

ID=9682936

Family Applications (1)

Application Number Title Priority Date Filing Date
US688667A Expired - Lifetime US2003209A (en) 1932-09-10 1933-09-08 Plow for electrical signaling of railways

Country Status (3)

Country Link
US (1) US2003209A (de)
DE (1) DE616131C (de)
GB (1) GB403340A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894078A (en) * 1956-05-17 1959-07-07 Jr Edison A Harkins Contact shoe for conductor rail
FR3082817A1 (fr) * 2018-06-22 2019-12-27 Sncf Mobilites Dispositif de contact et systeme de transmission de signaux ferroviaires

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894078A (en) * 1956-05-17 1959-07-07 Jr Edison A Harkins Contact shoe for conductor rail
FR3082817A1 (fr) * 2018-06-22 2019-12-27 Sncf Mobilites Dispositif de contact et systeme de transmission de signaux ferroviaires

Also Published As

Publication number Publication date
DE616131C (de) 1935-07-25
GB403340A (en) 1933-12-21

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