US3651762A - Mobile track surfacing machine - Google Patents

Mobile track surfacing machine Download PDF

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Publication number
US3651762A
US3651762A US19339A US3651762DA US3651762A US 3651762 A US3651762 A US 3651762A US 19339 A US19339 A US 19339A US 3651762D A US3651762D A US 3651762DA US 3651762 A US3651762 A US 3651762A
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United States
Prior art keywords
tamping
damping
carrier
plate
surfacing machine
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Expired - Lifetime
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US19339A
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English (en)
Inventor
Franz Plasser
Josef Theurer
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Franz Plasser Bahnbaumaschinen Industrie GmbH
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/12—Tamping devices
    • E01B2203/127—Tamping devices vibrating the track surface

Definitions

  • MOBILE TRACK SURFACING MACHINE [72] Inventors: Franz Plasser; Josef Theurer, both of Johannesgrasse 3, A-l0l0 Vienna, Austria [22] Filed: Mar. 13, 1970 [2]] App]. No.: 19,339
  • a vibratory surface tamper is mounted on a vertically adjustable carrier on the machine frame, and a generally planar resilient plate for damping the vibrations of the surface tamper is mounted between the tamper and the carrier.
  • MOBILE TRACK SURFACING MACHINE The present invention relates to improvements in mobile track surfacing machines, such as track tampers and/or track leveling or lining machines.
  • Vibrating means is operatively associated with, and preferably mounted in, the surface tamping body for vibrating the body.
  • the damping means may be relatively small and compact. Suitable design of the damping means will also make it possible for the tamping face of the surface tamper to make firm contact with the surface of the ballast so that the tamper will operate at highest efficiency.
  • the surface tamping body has a generally planar tamping face and the damping means is a generally planar resilient element extending in a plan substantially parallel to, or forming an acute angle with, the tamping face.
  • This planar configuration of the damping means produces an advantageously even distribution of the tamping forces over a relatively large area of ballast but also assures a firm contact between the tamping face of the surface tamper and the ballast, even where the latter has a rather uneven surface.
  • FIG. 1 is a schematic side view of a combined track leveling and lining machine of generally conventional construction
  • FIG. 2 is a perspective view of the mounting of a surface tamper on the machine frame according to the invention
  • FIG. 3 is a side view, partly in section, of another embodiment of the mounting surface tamper.
  • FIG. 4 illustrates a modification of the damping means illustrated in FIG. 3.
  • FIG. 1 there is shown the elongated frame 1 of a combined track leveling and lining machine running on track 3 on wheels 2, the track ties 4 resting on ballast bed 8.
  • An overhanging portion of the machine frame carries the track lifting apparatus 5 and the tie tamping means 6 for fixing the leveled track in position after it has been graded by apparatus 5.
  • a track lining apparatus 7 is mounted between the front and rear wheels to move the track laterally.
  • the machine frame also carries an elongated surface tamper 9 for tamping the ballast laterally adjacent the track in the general region of the track lining apparatus so that the ballast may be tamped on the side of the track from which it has been laterally moved during lining.
  • a similar surface tamper 9 may also be carried on the frame in the region of the track lifting apparatus 5.
  • a carrier 10 is mounted on frame 1 for vertical adjustment so as to place a tamping face of the tamping body 9 in tamping contact with the surface of the track ballast.
  • the illustrated machine also includes another surface tamper 11 for tamping the cribs, this tamper being mounted on carrier 13 which is vertically adjustable by pressure fluid drive 12. The surface tampers are vibratory.
  • FIG. 2 there is shown a carrier arm 14 mounted on machine frame 1 for vertical adjustment, as indicated by the double-headed arrow, for instance by being pivoted to the frame, only the outer end of the carrier being shown.
  • the surface tamping body is mounted on the carrier 14 by means of a bearing 15, the carrier 14 being glidably joumaled in the hearing and fixed thereto at selected distances from the machine frame. Threaded bolts, screws or the like 15' affix mounting plate 16 to the carrier 14.
  • the hollow surface tamping body comprises a channelshaped upper part 23 and a lower channel-shaped part 22, the lower part being telescoped into the upper part and being affixed, for instance by welding, to a U-shaped member 21 whose horizontally extending web moves in a cut-out in the upper part 23.
  • a vibrating means constituted in the illustrated embodiment by a cam shaft 24 is operatively associated with the surface tamping body, extending through its hollow interior, to vibrate the body, parts 22 and 23 forming a housing for the cam shaft.
  • a vibration damping means is mounted between the tamping body and the carrier 14, the damping means shown in FIG. 2 being interposed between mounting plate 16 and a parallel mounting plate constituted by the horizontal web of U-shaped member 21.
  • the illustrated damping means is a generally planar resilient element constituted by a solid plate 17 of rubber or like elastic material.
  • the surface tamper part 22 has a generally planar tamping face 22a and the rubber plate 17 extends in a plane substantially parallel to the plane of the tamping face. As shown, the damping plate is spaced from the mounting plates 16, 21, being sandwiched therebetween.
  • the elastic damping plate 17 is attached to the mounting plates 16, 21 at spaced points, the attachment points between the plate 17 and one of the mounting plates being staggered from the attachment points of plate 17 and the other mounting plate.
  • the attachment points extend in parallel rows transversely of the longitudinal extension of the surface tamping body, the rows of attachment points with one mounting plate being staggered from the rows of attachment points with the other mounting plate.
  • a series of elongated convex spacing members 18 are interposed at the attachment points between the damping plate 17 and the mounting plates 16 and 21, the spacing members being parallel to each other and the convex portions of these members contacting the respective mounting plates.
  • a like series of elongated convex anchoring members 19 are interleaved between the spacing members, with pairs of one spacing member and one anchoring member being in register.
  • the spacing member 18 of each pair is interposed between plate 17 and one mounting plate 16 or 21, and the anchoring member 1? of each pair is interposed between the plate 17 and the other mounting plate.
  • Fastening means such as the illustrated threaded bolts 20 connect each pair of spacing and anchoring members to a respective one of the mounting plates, the bolts passing through the convex anchoring member in contact with the damping plate 17, through the damping plate, and through the convex spacing member in contact with the opposite mounting plate into this plate.
  • FIG. 3 Another embodiment of the damping means is shown in FIG. 3.
  • the vibratory surface tamper is mounted for tamping the ballast 8 laterally adjacent ties 4 of track 3.
  • the pivotal carrier 14 of the surface tamper is linked to laterally extending arm 26 which is pivotal in a vertical plane by means of pressure fluid drive 27 whose one end is linked to bracket 29 mounted on machine frame 1 while the other end thereof is linked to the pivotal arm 26.
  • This arm is linked to the carrier 14 and to bracket 30 on frame 1, respectively, a further pressure fluid drive 28 being linked to the carrier and to bracket 30, respectively, for proper placing of the vibratory surface tamper on the ballast.
  • the tamper includes an elongated part 22 having a tamping face and a mounting plate 21, similarly to the embodiment of FIG. 2. Also similarly to FIG. 2, the carrier has affixed thereto a mounting plate 16'. At least three fastening members, such as bolts 20, are evenly distributed over the plane of the planar rigid elements 16 and connect the mounting plate 21' of the surface tamper to the mounting plate 16 of the carrier.
  • the damping means in this embodiment consists of highly elastic, yielding damping elements associated with the bolts 20.
  • a pair of frusto-conical sleeves are coaxially mounted on the bolts, being anchored between the carrier 14 and the mounting plate 16', spacing members being interposed between the mounting plate 16 and the mounting plate 21' of the surface tamper, although such damping elements may also be anchored between the tamper part 22 and the mounting plate 21.
  • the frusto-conical yielding sleeves 25 of each pair taper towards each other.
  • a mobile track surfacing machine comprising 1. a frame,
  • the resilient means being mounted between the tamping body and the carrier, and being attached thereto at a multiplicity of attachment points substantially evenly distributed over the area of the resilient damping means.
  • vibration damping means includes a solid plate of elastic material.
  • the mobile track surfacing machine of claim 3 further comprising a pair of mounting plates for the solid elastic damping plate, one of the mounting plates being affixed to the carrier and the other mounting plate being affixed to the surface tamping body, and the elastic damping plate being sandwiched between, spaced from, and attached to, the mounting plates.
  • damping means comprises a generally planar rigid element affixed to the carrier, at least three fastening members evenly distributed over the plane of the rigid element for connecting the surface tamping body to the rigid element, and highly elastic, yielding damping elements associated with the fastening members.
  • a mobile track surfacing machine comprising 1. a frame,
  • the attachment points being substantially evenly distributed over the area of the mounting plates.
  • attachment points extend in parallel rows transversely of the longitudinal extension of the surface tamping body, the rows of attachment points with one mounting plate being staggered from the rows of attachment points with the other mounting plate.
  • fastening means are threaded bolts passing through the convex anchoring member in contact with the damping plate, through the damping plate, and through the convex spacing member in contact with the opposite mounting plate into said mounting plate.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Basic Packing Technique (AREA)
  • Vibration Prevention Devices (AREA)
US19339A 1969-04-04 1970-03-13 Mobile track surfacing machine Expired - Lifetime US3651762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT336669A AT306776B (de) 1969-04-04 1969-04-04 Fahrbare Maschine zum Verdichten des Schotterbettes eines Gleises

Publications (1)

Publication Number Publication Date
US3651762A true US3651762A (en) 1972-03-28

Family

ID=3549430

Family Applications (1)

Application Number Title Priority Date Filing Date
US19339A Expired - Lifetime US3651762A (en) 1969-04-04 1970-03-13 Mobile track surfacing machine

Country Status (8)

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US (1) US3651762A (cs)
AT (1) AT306776B (cs)
CA (1) CA927200A (cs)
CH (1) CH521480A (cs)
CS (1) CS181658B2 (cs)
FR (1) FR2039071A5 (cs)
GB (1) GB1270755A (cs)
SU (1) SU409431A3 (cs)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796160A (en) * 1971-11-29 1974-03-12 British Railways Board Maintenance of railway track
US3910195A (en) * 1973-04-26 1975-10-07 Plasser Bahnbaumasch Franz Track tamper and leveler
US4489658A (en) * 1982-07-26 1984-12-25 Von Beckmann Helmuth Ballast shoulder consolidator
US5205218A (en) * 1991-06-12 1993-04-27 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H Tamping machine and method for consolidating the ballast of a track
US6722816B2 (en) * 2002-01-02 2004-04-20 Rexius Forest By-Products, Inc. Berm forming apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2193615C2 (ru) * 2000-05-31 2002-11-27 Центральное Конструкторское Бюро Тяжелых Путевых Машин Устройство для уплотнения балласта железнодорожного пути

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022744A (en) * 1957-01-23 1962-02-27 Jackson Vibrators Tie tamping or ballasting machine
US3099225A (en) * 1959-08-07 1963-07-30 Jackson Vibrators Railway roadbed tamping and ballasting machine
US3151570A (en) * 1960-02-16 1964-10-06 Plasser Franz Support arrangement for mobile track tamping machines
US3179067A (en) * 1962-05-03 1965-04-20 Lord Mfg Co Railway car
US3387567A (en) * 1966-01-26 1968-06-11 Jackson Vibrators Tamper blade suspension assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022744A (en) * 1957-01-23 1962-02-27 Jackson Vibrators Tie tamping or ballasting machine
US3099225A (en) * 1959-08-07 1963-07-30 Jackson Vibrators Railway roadbed tamping and ballasting machine
US3151570A (en) * 1960-02-16 1964-10-06 Plasser Franz Support arrangement for mobile track tamping machines
US3179067A (en) * 1962-05-03 1965-04-20 Lord Mfg Co Railway car
US3387567A (en) * 1966-01-26 1968-06-11 Jackson Vibrators Tamper blade suspension assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796160A (en) * 1971-11-29 1974-03-12 British Railways Board Maintenance of railway track
US3910195A (en) * 1973-04-26 1975-10-07 Plasser Bahnbaumasch Franz Track tamper and leveler
US4489658A (en) * 1982-07-26 1984-12-25 Von Beckmann Helmuth Ballast shoulder consolidator
US5205218A (en) * 1991-06-12 1993-04-27 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H Tamping machine and method for consolidating the ballast of a track
US6722816B2 (en) * 2002-01-02 2004-04-20 Rexius Forest By-Products, Inc. Berm forming apparatus

Also Published As

Publication number Publication date
CS181658B2 (en) 1978-03-31
AT306776B (de) 1973-04-25
DE2008850A1 (de) 1970-10-15
CH521480A (de) 1972-04-15
GB1270755A (en) 1972-04-12
CA927200A (en) 1973-05-29
DE2008850B2 (de) 1977-06-08
FR2039071A5 (cs) 1971-01-08
SU409431A3 (cs) 1973-11-30

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