US3860205A - Closing device for movable parts in railway frog and crossing areas - Google Patents

Closing device for movable parts in railway frog and crossing areas Download PDF

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Publication number
US3860205A
US3860205A US319538A US31953872A US3860205A US 3860205 A US3860205 A US 3860205A US 319538 A US319538 A US 319538A US 31953872 A US31953872 A US 31953872A US 3860205 A US3860205 A US 3860205A
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US
United States
Prior art keywords
clamp
prong
wedge
closing device
slide rod
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
US319538A
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English (en)
Inventor
Ruthard Dohse
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.)
ELEKTRO-THERMIT WEICHENBAU GmbH
Original Assignee
Elektro Thermit GmbH
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 Elektro Thermit GmbH filed Critical Elektro Thermit GmbH
Application granted granted Critical
Publication of US3860205A publication Critical patent/US3860205A/en
Assigned to ELEKTRO-THERMIT WEICHENBAU GMBH reassignment ELEKTRO-THERMIT WEICHENBAU GMBH ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ELEKTRO-THERMIT GMBH
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/20—Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members

Definitions

  • a closing device for movable parts suitable for closing inner edge gaps in the frog and deflection areas of switch points or crossings including, in a wedge or filler part, a clamp which is rotatable about an axle and, at the free end thereof facing away from the axis of rotation, has a fishtail-shaped prongend which, on the one hand, engages in a corresponding recess in a bearing surface bottom which is inclined before the recess, a slide rod is guided within a groove, is displaceable along the wedge or filler part, and comprises a barb or hook into which the uppermost prong of the clamp can become engaged so that, during a movement of the slide rod in the direction toand hence be carried along therewith.
  • the present invention relates to a closing device for movable parts which are suitable for closing inner edge gaps in the frog and deflection areas of switch points or crossings.
  • the present invention provides a closing device for such wedge parts or movable parts in which the disadvantages referred to are obviated
  • a clamp which is rotatable about an axle and, at the free end thereof facing away from the axis of rotation, has a Fishtail-shaped prong end which, on the one hand, engages in a corresponding recess in a bearing surface bottomwhich is inclined before the recess, a slide rod is guided within a groove, is displaceable along the wedge or filler part, and comprises a barb or hook into which the uppermost prong of the clamp can become engaged so that, during a movement of the slide rod in the direction toward the prong, the clamp will come to be engaged and hence be carried along therewith.
  • the engaging surfaces of the fishtail-formed prong end and of the barb or hook in the slide rod and the recess have an inclination of more than 55 in the bearing surface bottom. This has the effect that, taking into account the driving or retaining force to be transmitted, the vertical component at the surfaces of the clamp is considerably smaller than the horizontal components.
  • the part in the vicinity of the recess within the bearing surface bottom is made from a particularly high-strength material and is disposed in the bearing surface bottom in a manner such as to be adjustable or re-adjustable.
  • the closing device also may be selectively disposed so as to be turned in each case by 90 about the longitudinal axis thereof. This means that, in this case, the
  • clamp will no longer engage in the bottom of the guide surface, but in a corresponding recess of the wing rail. While, in the arrangement referred to first, the clamp will move in a vertical direction, it will move horizontally in the arrangement referred to last, which is turned by
  • the advantages that are achieved with the aid of the present invention consist in that only one drive aggregate is needed for the movement of the wedge or filler part or piece, and for the locking and/or unlocking operations.
  • the tolerance of the structural elements may be chosen in accordance with the rough open line operation of working conditions.
  • FIG. 1 is a side view of a wedge piece or part in the forward end position thereof; and disposed at the rear end of the wedge is the closing device as proposed by the present invention
  • FIG. 2 is a side view corresponding to FlG. l but, in
  • the wedge piece or portion has reached the rear end position thereof
  • FIG. 3 is a cross-sectional view taken along line AA.
  • FIG. 4 is a top plan view of a frog with a wedge-type closed wheel over-run with the inventive closing device shown in an arrangement turned about 90.
  • the connecting rod of the drive aggregate is connected with the slide rod 1 which is slidably positioned with the guide track 2 thereof within the wedge part 3 and is provided with a barb or hook for purposes of receiving the uppermost prong 5 of the clamp 6.
  • clamp 6 is pivotally mounted on the axle 7 in the wedge or filler part or piece 3.
  • the bearing surface bottom 8, 17, is provided with a guide groove 9 and arranged at the forward end of the latter is a recess 10 for receiving the lower prong 11.
  • the wedge part or piece 3 is locked in the front or forward position thereof by virtue of the fact that the lower prong ll of the clamp. 6 engages in the recess 10 of the bearing surface bottom 8, at which time the slide rod 1 is positioned above the upper prong 5 of the clamp 6 so that any lifting-out of the lower prong ll of the clamp 6 is rendered impossible, see FIG. 1.
  • the inclination of the surfaces of the lower prong ll of the clamp 6 is so chosen in conformity with the inclination of the recess 10 in the bearing surface bottom 8 that in view of the retaining force to be transmitted, the vertical component is considerably smaller than the horizontal component.
  • the connecting rod of the drive aggregate moves the slide rod 1 rearwardly until the latter strikes with the front nose of the barb 4 thereof against the upper prong 5 of the clamp 6 and subsequently lifts the lower prong 11 of the clamp 6 out of the recess 10 in the bearing surface bottom 8.
  • the drive aggregate now pulls the wedge piece or part to the lower end position thereof, FIG. 2.
  • the limitation of the rearward position may be effected by the drive aggregate itself, or by a stop 12 in the guide groove 9 against which the clamp 6 strikes. Due to the force-locking connection between the slide rod 1, the clamp 6, and the wedge part 3, the wedge portion 3 will be moved forwardly with the aid of the connecting rod of the drive. The wedge part 3 reaches the forward end position thereof when the clamp 6 has been carried along to the recess 10 in the bearing surface bottom 8, whereby the lower prong 11 strikes against the stop 13 at the end of the guide groove 9. Due to the continued movement of the slide rod 1, the upper prong of the clamp 6 is forced out of the barb or hook 4 of the slide rod 1, and the lower prong 11 is pressed into the recess in the bearing surface bottom 8.
  • the slide rod 1 is possibly pushed by the drive to the stop 14 of the wedge piece 3, at which time the lower edge of the slide rod 1 prevents the clamp from bypassing the recess 10.
  • the lateral guide of the wedge piece 3 with the clamp 6 and the slide rod 1 is assured by the frog point 15 and the wing rail 16, see FIG. 3.
  • the same principle is conceivable also for an arrangement designed for closing gaps within the tongue area or region with pivotal rails.
  • these surfaces are preferably provided with an inclination of more than 55, and-pass over into a thrust curve only in the rearward part. As a result, the vertical force component becomes smaller than the horizontal force component.
  • the inclination of. the recess 10 of the bearing surface bottom 8 suitably should be made from a particularly high-strength material. As a consequence thereof the wear and tear is reduced, and a readjustment and adjustment of the precise position of the recess 10 in relation to the end position of the wedge 3 is rendered possible.
  • FIG. 4 shows the wedge piece 3 with the clamp-6 and the slide rod 1 in the front or forward end position thereof, while the edge part 3, the clamp 6', and the slide rod 1 are positioned in the rearward end position thereof.
  • a closing device for movable parts suitable for closing inner edge gaps within the frog and deflection areas of switch points or crossings, comprising wedge means positioned between a frog point and wing rail,
  • clamp means rotatably secured at one end thereof to said wedge means, fishtail-shaped prong end means at the other end of said clamp means,
  • a closing device in which the engaging surfaces of the fishtail-shaped prong end means and of the hook means' on the slide rod means, and in said recess have an inclination of more than 55 in said bearing surface'means.
  • a closing device in which the portion in the vicinity of said recess in the bearing surface means is made from a particularly high-strength material and is mounted in the bearing surface means in a manner so as to be adjustable and re-adjustable.
  • a closing device which selectively may be mounted so as to be turned in each case about about the longitudinal axis thereof.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
US319538A 1971-12-28 1972-12-29 Closing device for movable parts in railway frog and crossing areas Expired - Lifetime US3860205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2164924A DE2164924C3 (de) 1971-12-28 1971-12-28 Herzstück, bei dem zwischen der Herzstückspitze und den Flügelschienen Füllstücke angeordnet sind, die in der Endlage mechanisch verschlossen werden können

Publications (1)

Publication Number Publication Date
US3860205A true US3860205A (en) 1975-01-14

Family

ID=5829422

Family Applications (1)

Application Number Title Priority Date Filing Date
US319538A Expired - Lifetime US3860205A (en) 1971-12-28 1972-12-29 Closing device for movable parts in railway frog and crossing areas

Country Status (7)

Country Link
US (1) US3860205A (enExample)
DE (1) DE2164924C3 (enExample)
FR (1) FR2167111A5 (enExample)
GB (1) GB1392970A (enExample)
IT (1) IT976737B (enExample)
NO (1) NO134548C (enExample)
SE (1) SE374773B (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917339A (en) * 1987-11-05 1990-04-17 Voest-Alpine Maschinenbau Gesellschaft M.B.H. Reversing device for swivelable rails or movable frogs within the crossing area of a railway switch
US4982919A (en) * 1987-11-05 1991-01-08 Voest-Alpine Maschinenbau Gesellschaft Mbh Reversing device for movable parts of a railway switch
US5354018A (en) * 1991-06-24 1994-10-11 Snead Edwin Des Railway frog system
RU2167232C1 (ru) * 2000-01-31 2001-05-20 Петербургский государственный университет путей сообщения Крестовина для рельсовых пересечений
US9074325B2 (en) 2013-03-14 2015-07-07 Union Pacific Railroad Company Portable temporary turnout system for rails

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697747A (en) * 1969-07-02 1972-10-10 Elektro Thermit Gmbh Frog
US3723728A (en) * 1970-01-17 1973-03-27 Butzbacher Weichenbau Gmbh Crossing frog with a movable frog point

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697747A (en) * 1969-07-02 1972-10-10 Elektro Thermit Gmbh Frog
US3723728A (en) * 1970-01-17 1973-03-27 Butzbacher Weichenbau Gmbh Crossing frog with a movable frog point

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917339A (en) * 1987-11-05 1990-04-17 Voest-Alpine Maschinenbau Gesellschaft M.B.H. Reversing device for swivelable rails or movable frogs within the crossing area of a railway switch
US4982919A (en) * 1987-11-05 1991-01-08 Voest-Alpine Maschinenbau Gesellschaft Mbh Reversing device for movable parts of a railway switch
US5354018A (en) * 1991-06-24 1994-10-11 Snead Edwin Des Railway frog system
RU2167232C1 (ru) * 2000-01-31 2001-05-20 Петербургский государственный университет путей сообщения Крестовина для рельсовых пересечений
US9074325B2 (en) 2013-03-14 2015-07-07 Union Pacific Railroad Company Portable temporary turnout system for rails

Also Published As

Publication number Publication date
FR2167111A5 (enExample) 1973-08-17
NO134548C (enExample) 1976-11-03
DE2164924C3 (de) 1979-01-04
IT976737B (it) 1974-09-10
GB1392970A (en) 1975-05-07
NO134548B (enExample) 1976-07-26
SE374773B (enExample) 1975-03-17
DE2164924B2 (de) 1978-05-03
DE2164924A1 (de) 1973-07-12

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Legal Events

Date Code Title Description
AS Assignment

Owner name: ELEKTRO-THERMIT WEICHENBAU GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ELEKTRO-THERMIT GMBH;REEL/FRAME:005242/0323

Effective date: 19891025